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68results about How to "Strong circulation" patented technology

Directly-operated three-station disconnecting switch and gas-insulated switchgear

The invention relates to a directly-operated three-station disconnecting switch and a gas-insulated switchgear. The directly-operated three-station disconnecting switch comprises a working contact seat, a static contact seat, a ground contact seat and a moving contact. An insulating sleeve is arranged between the static contact seat and the ground contact seat to realize integrated connection, so that coaxiality between the ground contact seat and the static contact seat is high. The moving contact can rotate smoothly between the ground contact seat and the static contact seat, thereby guaranteeing normal usage of the switch. The static contact seat and a conductor are connected by hoop type conductive clamps; and the contact resistance of the contact part is low and the flow capacity is high. High-voltage insulating shielding covers are arranged on the working contact seat and the static contact seat, so that the electric field distribution between fractures is optimized and the insulation performance between fractures is improved. The distance between the fractures is shortened and thus the whole size of the switchgear is reduced, so that the materials are saved. A technical problem that the moving contact can not be opened or closed normally under the extreme conditions due to poor coaxiality between the moving contact and the ground contact seat and the static contact seat during turning on and off of the three-station switch in the prior art can be solved.
Owner:SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD +2

Low nitrogen oxide burner of fuel gas heating water heater

The invention discloses a low nitrogen oxide burner of a fuel gas heating water heater. When the low nitrogen oxide burner is applied, fuel gas and air mixed gas directly rushes upwards through a fuel gas mixing inlet injection pipe; when the fuel gas and air mixed gas collides a fuel gas guide concave bag, due to blocking of the fuel gas guide concave bag, a part of fuel gas and air mixed gas flows to the two sides, the other part of fuel gas and air mixed gas is directly upwards to enter a mixed gas groove, part of fuel gas and air mixed gas is straightly upwards to burn at the top of a fire dividing hole, the other small part of fuel gas and air mixed gas is blocked by a fire receiving hole separating plate to generate positive pressure, and under the influence of the positive pressure, part of gas enter an outer side fuel gas mixing gas dividing groove from a transverse fuel gas and air mixing air flow outlet hole and burns in an outer side burning hole; and the top of a burner shell cover is provided with a plurality of flame burning holes through a plurality of transverse plates in a mesh dividing manner, and the fire power of fire behaviors generated by burning is strong; meanwhile, the flame area is greatly increased, and burning is more sufficient.
Owner:黄婉平

Omega-shaped coal dropping pipe coal conveying system with high-frequency vibration device

The invention discloses an omega-shaped coal dropping pipe coal conveying system with a high-frequency vibration device. The omega-shaped coal dropping pipe coal conveying system comprises at least one inclined coal dropping pipe and further comprises pressure sensors and the high-frequency vibration device. The pressure sensors are arranged on the pipe walls of the coal dropping pipes. The high-frequency vibration device is in contact with the coal dropping pipes. A server is further included. The pressure sensors and the high-frequency vibration device are connected with the server. The omega-shaped coal dropping pipes are symmetrically arranged, and each coal dropping pipe segment is formed by splicing two arc-shaped pipes and a straight pipe. The good discharging property is achieved, coal briquette blocking can be avoided through a curved flow channel, the colliding angle of coal briquettes and the pipe walls is reduced, and generation and dissipation of dust are reduced. An arc-shaped tee joint and the straight pipe segments of the coal dropping pipes are all connected with the high-frequency vibration device. When the pipes are blocked seriously by coal in the pipes, the high-frequency vibration device is started through the pressure sensors, the arc-shaped tee joint and the middle segments of the omega-shaped double coal dropping pipes are driven to vibrate, and the functions of dredging and blocking preventing are achieved.
Owner:DATANG NANJING POWER PLANT

Full-automatic medical cleaning machine

ActiveCN104525513AReduce elbowReduction of recycled water consumptionCleaning using liquidsButt jointWater resources
The invention discloses a full-automatic medical cleaning machine. The full-automatic medical cleaning machine comprises a frame, a cleaning bin and a water pump, wherein a cleaning frame is positioned in the cleaning bin; a water inlet is formed in the lower end of the cleaning frame; a water inlet main pipe is arranged at one side of the cleaning frame, and is connected with the water inlet; a main water pipe is arranged at the bottom of the cleaning bin; a joint device is arranged at a water outlet end of the main water pipe; a butt joint ring is arranged in a pipe hole in the upper end of the joint device; a water inlet end of the main water pipe is connected with the water pump; when water is supplied into the cleaning bin, the water pump is started, and the butt joint ring in the joint device is upwards flushed by water pressure under water pressure impact provided by the water pump, so that the top surface of the butt joint ring is tightly butted to the periphery of the water inlet in the bottom surface of the cleaning frame; and when the water is stopped being supplied into the cleaning bin, the butt joint ring in the joint device downwards drops to reset under the effect of self gravity. The full-automatic medical cleaning machine adopts the novel joint device, so that the use level of water pipes is reduced, the water resource is saved, the space in the cleaning bin is enlarged, and the cleaning capacity is improved.
Owner:LAOKEN MEDICAL TECH

Method used for preparing anatase type core-shell nanometer titanium dioxide and application of anatase type core-shell nanometer titanium dioxide in dye degradation

The invention discloses a method used for preparing anatase type core-shell nanometer titanium dioxide and application of the anatase type core-shell nanometer titanium dioxide in dye degradation, and belongs to the fields of preparation method of polycrystalline materials and application of polycrystalline materials as photocatalysts. The method comprises following steps: a titanium salt is dissolved in a mixed solution of water, ethanol and cane sugar by solvothermal method, and is subjected to thermostatic reaction in a reaction vessel; and then precipitate is washed, dried and fired so as to obtain the TiO2 photocatalyst. Effects of applications of the TiO2 powder in photocatalytic degradation of dye waste water are excellent. Templates are not needed in the method; product quality is high; reaction is simple; technologies are economic; recovery is easy; and the method is suitable for development trend of chemical techniques. The anatase type core-shell nanometer titanium dioxide is capable of degrading a plurality of dyes under photocatalytic conditions, thereby is capable of providing new technical schemes for large-scaled production of photocatalysts.
Owner:YUNNAN UNIV

3 in 1 mini coffee tube as a container, a filter, and a stirring tool

Our single disposable mini coffee tube comprising a porous tube, a rolled filter, a top, and a bottom to form a complete container that has multiple functions of holding, filtering, and stirring in a standing posture in a cup of water or a coffee machine during a brewing process of coffee or tea. The appearance of the coffee tube is as slender as a pen or cigar. This 3 in 1 coffee tube, filter, and mixing tool creates a rigid handle that allows user to stir a strong water circulation for extracting more essences and. A short and strong brewing not only extract more essences and aroma as Espresso, but also reduce bitter. This disposable coffee tube will be pre-filled with ground coffee or tea, and sealed by wrapping foil as a single packaging for a single fresh service.
Owner:ZHANG YUEJIE +1

Lightgage steel joist composite wall body and construction technology

The invention discloses a lightgage steel joist composite wall body which comprises a joist and face plates on the two sides of the wall body. The joist comprises a ground horizontal joist, a top horizontal joist, a column joist and vertical joists. The vertical joists are evenly arranged between the face plates. Each vertical joist comprises two vertical steel plates and a plurality of horizontal steel plates evenly arranged between the vertical steel plates. Bridge cutoff cushion blocks are arranged between the vertical joists and the face plates. Cross-brace joists are arranged between the vertical joists. The cross-brace joists and the vertical joists are connected through angle brackets. Gaps of the vertical joists are large, concrete circulating can be well achieved, construction difficulty is lowered, and the construction schedule is accelerated. The invention further provides a construction method of the composite wall body. The method is suitable for transforming, expanding and rebuilding a civil building and is suitable for an inner partitioning wall and an outer partitioning wall, the construction procedure is standardized, construction speed is accelerated, so that building of the composite wall body is reasonable, and the building quality of the composite wall body is improved.
Owner:河南华泰新材科技股份有限公司

Stirring impeller

The invention discloses a stirring impeller. The stirring impeller comprises a wheel disc and at least two stirring blades uniformly mounted at the edge of the wheel disc, wherein the stirring blades comprise rectangular paddles, strip-shaped through troughs are formed in the rectangular paddles, one ends of the strip-shaped through troughs are closed, and the other ends of the strip-shaped through troughs are open; first fixed plates are arranged on the left sides of the strip-shaped through troughs in the rectangular paddles, second fixed plates are arranged on the right sides of the strip-shaped through troughs in the rectangular paddles, and the first fixed plates and the right fixed plates are vertical to the rectangular paddles; the stirring blades are mounted at the edge of the wheel disc by virtue of at least two bolts penetrating through the first fixed plates, the wheel disc and the second fixed plates. According to the stirring impeller, the stirring blades are fixed on the wheel disc by virtue of the bolts, and the stirring impeller in the structure is difficult to break, is firmer than a welded stirring impeller, so that the stirring blades can bear a large stirring force; when the stirring blades are damaged and need to be replaced, the stirring blades can be easily detached and replaced only by detaching the bolts, so that the working efficiency is improved, and the labor intensity is reduced.
Owner:安徽省神洲建材科技有限公司

Two-way angle valve

The invention discloses a two-way angle valve and relates to the technical field of valve equipment. The two-way angle valve comprises a valve body and a valve element arranged in the valve body. Thevalve body comprises a water inlet channel and a water outlet channel which communicate with each other, and the water inlet channel is perpendicular to the water outlet channel. The outer wall of thevalve element is attached to the inner wall of the valve body. The valve element comprises a cavity formed in the intersection of the water inlet channel and the water outlet channel, and a valve rodarranged on the top of the cavity in a protruding mode. An opening of the cavity corresponds to the water inlet channel. A first water outlet window and a second water outlet window are arranged in the middles of the side walls of the cavity in a spaced mode. According to the two-way angle valve, the valve element has high flow capacity and is convenient to use, the degree of abrasion to the valve element can be reduced, the service life of the valve is prolonged, and the two-way angle valve is convenient to machine, manufacture and use.
Owner:WUHAN HAN DE INSTR CO LTD

Straight-flow regulating valve

The invention discloses a straight-flow regulating valve which belongs to the technical field of valve manufacturing, aiming at solving problems that the passage of valve body of the existing regulating valve is winding, the resistance is great when liquid passes through, etc. The straight-flow regulating valve comprises a valve body, wherein a hollow cavity is formed in the valve body; a water inlet and a water outlet are respectively arranged at the left side and the right side of the valve body; a valve core is arranged in the valve body; the inner end of a valve rod is connected with the valve core, and an outer end stretches out of the valve body and is connected with a hand wheel; a connecting rod which is in threaded connection with the valve body is arranged on the valve core and is arranged along a connecting line between the water inlet and the water outlet of the valve body; the valve rod is vertical to the connecting rod, and a worm rod is arranged on the valve rod; a turbine which is meshed with the worm rod is fixedly connected in the valve body along an axial direction; and the turbine is fixedly connected with the connecting rod along a peripheral direction. The straight-flow regulating valve has the characteristics of low resistance and strong flowing ability when the fluid passes through the valve body.
Owner:WORLD ENVIRONMENTAL TECH JIANGSU

Engine airflow management system

A rotary valve assembly for an internal combustion engine is herein disclosed. The rotary valve assembly comprises a valve body having a number of ports formed therethrough and a bore that intersects these ports such that a valve cylinder inserted into the bore may selectively occlude or open the ports of the valve body. Cutouts formed into the valve cylinder facilitate the opening of the ports as they are rotated into alignment with the ports of the valve body. The rotary valve assembly may be used as a throttle mechanism by sliding the valve cylinder longitudinally within the bore of the valve body so as to control the aspect of the cutouts or bores formed into the valve cylinder that is presented to the ports.
Owner:VERMEER STEVEN

Method for preparing dragon fruit liquid

The invention belongs to the technical field of preparation of drinks and in particular relates to a method for preparing dragon fruit liquid. The method comprises the following steps: selecting fresh dragon fruits, removing the peels, pulping and precooking; performing complex enzyme enzymolysis, wherein the complex enzyme refers to a mixture of cellulase, pectinase and pepsase; performing duplex filtration, clarifying, performing centrifugal separation, thereby obtaining the raw dragon fruit juice; and sterilizing by adopting UHT, and canning, thereby obtaining the dragon fruit liquid. According to the preparation method disclosed by the invention, the preparation process is simple, macromolecular substances are decomposed into small molecules by virtue of the enzymolysis process, and the nutritional ingredients of the prepared dragon fruit liquid are easily absorbed by the human body. Moreover, the dragon fruit liquid does not contain any additive, cane sugar is not manually added, and the requirements of people on low-calorie low-sugar drinks are met.
Owner:GUANGXI XIUZHENGTANG PHARMACY CHAIN OPERATION

Axial-flow type control valve

The invention provides an axial-flow type control valve, wherein the axial direction of an outer valve body is hollow and has a first tail end and a second tail end, a first end part of an inner valve body is a sealed end part, a second end part has an opening, the inner valve body is located in the outer valve body and is connected with the outer valve body, the first end part is close to the first tail end, the second end part props against the second tail end, a plurality of through holes are formed in the side face of the second end part; the first tail end passes through a clearance between the inner valve body and the outer valve body, the through holes and an opened pipeline to communicate with the second tail end; a valve rod is arranged in the inner valve body in an axially movable manner; a power transfer mechanism penetrates through the outer valve body and the inner valve body and is connected with one end of the valve rod to be used for driving the valve rod to axially move; and a valve element is arranged at the other end of the valve rod and is arranged in the second end part in an axially movable manner. Preferably, the axial-flow type control valve further comprises a guide sleeve and a retainer. The axial-flow type control valve disclosed by the invention is high in adjusting precision, low in noise, less in turbulence, strong in circulating capability, smart in design, simple in structure, convenient to use, and applicable to large-scale popularization and application.
Owner:高卫兵

Double-scraper toroidal valve core and ball valve

The invention discloses a double-scraper toroidal valve core. The double-scraper toroidal valve core comprises a ball core body, a fully open seal ring, a fully closed seal ring and supporting shafts,the ball core body has a penetrating material channel, each of the fully open seal ring and the fully closed seal ring is externally convex to the surface of the ball core body, the fully open seal ring is arranged at the channel port and the channel port is arranged in the fully open seal ring, the axis of the fully closed seal ring is perpendicular and intersect the axis of the fully open sealring, the fully closed seal ring is arranged to be a partition surface, the sealing surface of the fully open seal ring and the sealing surface of the fully closed seal ring are arranged on the same spherical surface, each of the outer wall surface of the full open seal ring, the inner wall surface of the fully open seal ring, the outer wall surface of the fully closed seal ring and the inner wallsurface of the fully closed seal ring takes the spherical surface and a spherical center as the truncated conical surface of a vertex, the two opposite sides of the ball core body are provided with the supporting shafts, and one supporting shaft is provided with a valve rod connecting groove. The invention further discloses a ball valve adopting the double-scraper toroidal valve core, the double-scraper toroidal valve core and the ball valve are long in service life.
Owner:石森林

A direct-acting three-position isolating switch and gas-insulated switchgear

The invention relates to a directly-operated three-station disconnecting switch and a gas-insulated switchgear. The directly-operated three-station disconnecting switch comprises a working contact seat, a static contact seat, a ground contact seat and a moving contact. An insulating sleeve is arranged between the static contact seat and the ground contact seat to realize integrated connection, so that coaxiality between the ground contact seat and the static contact seat is high. The moving contact can rotate smoothly between the ground contact seat and the static contact seat, thereby guaranteeing normal usage of the switch. The static contact seat and a conductor are connected by hoop type conductive clamps; and the contact resistance of the contact part is low and the flow capacity is high. High-voltage insulating shielding covers are arranged on the working contact seat and the static contact seat, so that the electric field distribution between fractures is optimized and the insulation performance between fractures is improved. The distance between the fractures is shortened and thus the whole size of the switchgear is reduced, so that the materials are saved. A technical problem that the moving contact can not be opened or closed normally under the extreme conditions due to poor coaxiality between the moving contact and the ground contact seat and the static contact seat during turning on and off of the three-station switch in the prior art can be solved.
Owner:SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD +2

Power electrical transformer with good heat dissipation effect

The invention discloses a power electrical transformer with a good heat dissipation effect, which comprises a box body, a cover plate is arranged at the top of the box body, the box body is fixedly connected with the cover plate through screws, heat exchange assemblies are arranged on the front surface and one side of the box body, heat insulation cavities are formed in the side wall and the bottom wall of the box body, and the multiple heat insulation cavities are communicated with each other. A transformer functional assembly is arranged in the box body. The heat insulation cavity is filled with cooling oil to isolate external heat, the air circulation performance in the box body is high, multiple heat dissipation modes are matched, a reasonable heat dissipation mode is autonomously selected for operation by using an adjusting system according to the real-time temperature and requirements, the heat dissipation efficiency can be maximized, the heat exchange corrugated plates distributed in a snake-shaped stacking mode are combined with the oil passing holes, the superficial area of the heat exchange face is greatly increased, cooling oil is combined for cooling, the heat dissipation efficiency is greatly improved, the device is convenient to install and connect, and the heat exchange assembly can be conveniently detached, cleaned and maintained.
Owner:梁国华

Cold air circulation transport case for cold-chain logistics

The invention relates to the field of cold-chain logistics transport equipment, and discloses a cold air circulation transport case for cold-chain logistics. The cold air circulation transport case for cold-chain logistics comprises a transport case body, and a case door is formed in the transport case body; fixing assemblies arranged in pairs are fixed to the top of the transport case body, sliding rods are arranged on the fixing assemblies in a penetrating mode, the sliding rods are in rotating fit with the fixing assemblies, and fans are slidably connected to the sliding rods; power assemblies for driving the fans to move in the length directions of the sliding rods are fixed to the sliding rods; and a lifting assembly for lifting the sliding rods to rotate around the fixing assemblies is further fixed to the top of the transport case body. Cold air can uniformly reach all positions in the transport case through cold air circulation, the low-temperature environment in the transport case is maintained, the temperature in the transport case is prevented from fluctuating, the local low-temperature or high-temperature phenomenon is avoided, and the cold insulation effect of cold chain transport is good.
Owner:上海华赋冷链物流有限公司

Pit filter

A pit filter comprises a filter unit, a pressure recovery unit and a flow stabilizing unit. The pressure recovery unit is fixedly installed between the filter unit and the flow stabilizing unit and shaped like a straight cylinder; the filter unit is shaped like a cylinder on the whole, the end of the filter unit is a closed spherical surface, and the side wall of the filter unit is a corrugated surface, and the filter unit is provided with multiple filter channels; the flow stabilizing unit is a pipeline with a streamlined side wall, and an outlet end of the flow stabilizing unit is connected with a processing pipe network. The pit filter has the advantages that by means of the end face of the closed spherical surface of the filter unit and the side wall of the corrugated surface, the filter area is increased, the flow capacity is stronger, a filter bed is not prone to being formed due to the cylindrical structure, and the pressure loss is small; the pressure recovery unit can convert the dynamic pressure entering from the filter channels into static pressure, the flow stabilizing unit with a streamlined channel divides the medium, the eddy current is eliminated, the pressure loss is further reduced, and the service life of equipment is prolonged.
Owner:JIANGSU SHENTONG VALVE

Solar pesticide spraying greenhouse

The invention discloses a solar pesticide spraying greenhouse. The solar pesticide spraying greenhouse comprises a greenhouse body; a group of rectangular mounting plates of which the lengths are matched with the greenhouse body are arranged at the positions, close to an upper surface, in the greenhouse body; a sliding rail is arranged on the lower surface of each of the rectangular mounting plates; an electric trolley is arranged on each sliding rail; a mounting block is arranged on the lower surface of each electric trolley; a group of circular grooves are formed in each of the two side surfaces of each mounting block; a storage battery is arranged on the upper surface in a mounting cabinet; a controller is arranged on the upper surface of the mounting cabinet; a supply terminal of the controller is connected with the storage battery through a wire; an input end of the controller is connected with each of the electric trolleys, a micro linear motor, a micro rotating motor and a pump body through wires. The solar pesticide spraying greenhouse has the beneficial effects that manpower is saved by semiautomatic spraying and watering; part power consumption is reduced by solar charging; energy resources are saved; the air circulation performance is high; the production efficiency is improved.
Owner:夏爱华

Pigsty of pig farm

The invention discloses a pigsty of a pig farm, and relates to the technical field of animal husbandry equipment. A main body is a house body, the house body is divided into three layers, the middle layer is divided by a channel into two rooms, a stair is arranged in a corridor, the interiors of the rooms are divided by rails into a plurality of independent feeding lots, and corresponding windows are arranged on all layers of the house body. The pigsty has the advantages that the design is novel, the structure is simple, the multi-layer arrangement is adopted, the occupied area is small, the constructing cost is saved, the ventilation performance is high, diseases caused by poorly-ventilated air are avoided, normal growth of pigs is accordingly not influenced, and the practicability is high.
Owner:怀远县荆山湖良种猪养殖场

In-situ and quasi-in-situ heterogeneous catalytic electron paramagnetic resonance platform and using method

The invention discloses an in-situ and quasi-in-situ heterogeneous catalysis electron paramagnetic resonance platform and a using method. The in-situ and quasi-in-situ heterogeneous catalysis electron paramagnetic resonance platform is composed of a gas distribution system device and an in-situ reaction tank device. The gas distribution system device consists of an external steel cylinder, a pressure reducer, a filter, a needle valve, an electronic pressure gauge, a mass flow meter, a one-way valve, an unloading valve, a temperature measuring point, a ball valve and a back pressure valve, and is assisted by a display panel for accurate control and real-time switching; and the in-situ reaction tank device is composed of a double-layer glass sleeve, a light source and a resonant cavity of the electron paramagnetic resonance spectrometer. The platform is simple to operate and convenient to disassemble, can be operated on the basis of an original electron paramagnetic resonance instrument, and can realize in-situ (the reaction temperature<=250 DEG C) / quasi-in-situ (the reaction temperature >250 DEG C) illumination / heating experimental conditions, and the pressure lower than 10Mpa of a reaction system.
Owner:LANZHOU UNIVERSITY

Collecting device for full-automatic biochemical analyzer

The invention provides a collecting device for a full-automatic biochemical analyzer. The device comprises a base, a lower rotary table used for placing a collected specimen sample, an upper rotary table, a top supporting plate, a motor, a combined drawing mechanism used for collecting body fluid, a sampling control mechanism used for controlling the combined drawing mechanism to perform samplingwork, and a synchronous cleaning mechanism used for synchronously cleaning equipment, and a supporting body is fixedly connected to the surface of the base. The collecting device for the full-automatic biochemical analyzer can be used for collecting in batches; a plurality of steps in the collection process and the cleaning work are carried out together to carry out process circulation work in a short time; the operation of medical staff is reduced, so that the problems of long cleaning time, intensified queuing phenomenon, large number of test tubes, high cost and the like caused by high manual dependence, serious doctor-patient queuing phenomenon and semi-closed interiors of the collected test tubes of a common collection device of the biochemical analyzer are effectively solved.
Owner:南京中润医学检验有限公司

Can-type filter pipe filter separator

The invention discloses a can-type filter pipe filter separator which comprises a filter element and a can body. The filter element is fixedly installed in the can body through a filter element frame. A sewage inlet, a purified water outlet and a residue outlet are formed in the can body. The filter element comprises an auxiliary locating core board, connectors, a filter element board, filter bags and multiple filter pipes. The pipe wall of each filter pipe is provided with multiple filter holes, the upper ends of the filter pipes are fixedly installed on the filter element board through the connectors, and the lower ends of the filter pipes are fixedly installed on the auxiliary locating core board. The auxiliary locating core board and the filter element board are fixedly installed on the filter element frame. The filter pipes are sleeved with the filter bags and the filter bags are fixed to the filter pipes through tying bands and hoops. The can-type filter pipe filter separator has the advantages of being novel and reasonable in structure, good in sealing performance, high in circulation capacity, easy and convenient to operate, wide in application range, high in adaptability, multipurpose and the like; especially, the lateral leakage possibility of the filter pipes is low, filter accuracy can be accurately guaranteed, and the filter pipes can be quickly replaced; the filtration process merely consumes raw materials, so that operation cost is reduced.
Owner:HUBEI JUNJI WATER TREATMENT

An electronic water ticket software system applied to the drinking water packaging industry

The invention discloses an electronic water ticket system applied to the drinking water packaging industry. The software system belongs to the field of information technology, software design and software development, belongs to a functional module of an internet software system in the packaging drinking water industry, and uses an internet software SAAS mode to serve nationwide packaging drinkingwater enterprises, distribution stations, consumers and related practitioners. The aim of the invention is to enhance the consumer adhesion. The water station generally carries out promotion on consumers in a mode of selling paper water tickets. Therefore, the effects of locking customers for a long time and quickly returning funds are achieved, the issued water tickets become necessary marketingtools for water stations and water enterprises, but the paper water tickets have the printing cost, the management cost and the counterfeiting risk, and the risks that the customers are inconvenientto keep and lose when using the water tickets. In the planning process of the internet software system of the packaging drinking water industry, the application of the electronic water ticket to the internet system is the universal requirement of the industry and plays a role in solving various management and use difficulties of the paper water ticket.
Owner:成都马上到科技有限公司

Dynamic differential pressure control valve

The invention relates to a dynamic differential pressure control valve. The dynamic differential pressure control valve comprises a valve body. The valve body is provided with a fluid inlet and a fluid outlet. The fluid inlet is communicated with the low-pressure end of a controlled system. A flow pass in the valve body is internally provided with a valve seat matched with a valve element to control the opening degree of a valve. The valve body is internally provided with a pressure sensing membrane. The two side faces of the pressure sensing membrane are provided with a water supply high-pressure cavity and a water return low-pressure cavity respectively, and the water supply high-pressure cavity is communicated with the high-pressure end of the controlled system. The end face of the valve element is provided with drainage holes for leading fluid in the internal flow pass into the water return low-pressure cavity. The valve body is internally provided with a spring component used for automatically controlling the differential pressure between the water supply high-pressure cavity and the water return low-pressure cavity. Due to the fact that the end face of the valve element is directly provided with the drainage holes, the purpose that the fluid in the internal flow pass in the valve body is led into the water return low-pressure cavity is achieved. According to the differential pressure control valve, the situation that a drainage structure is formed in the valve body is avoided, the structure of the valve body is simplified, and installation is convenient.
Owner:HEFEI GENERAL MACHINERY RES INST

Feed heating and stirring device for livestock breeding

The invention discloses a feed heating and stirring device for livestock breeding in order to solve the problems of low feed stirring efficiency and no heating in the prior art. The device is characterized in that the device comprises an outer cylindrical shell provided with a heat insulating layer inner wall, a cylinder cover mounted at the upper end of the outer cylindrical shell, a mixer arranged in the outer cylindrical shell and a frame used for fixing the outer cylindrical shell, a rotating shaft is arranged at the middle part of the cylinder cover, the bottom end of the rotating shaft is connected with the mixer, the mixer is arranged in a mixing chamber in the outer cylindrical shell, and the mixer is composed of an axial through hole, a flange, a grooves, heating rods and a heat conducting silica gel body. The device has a stable supporting structure, so the assembling stability of the outer cylindrical shell is ensured, and feeding and discharging are easy; heating is performed while stirring, so the temperature of a mixed feed increases, and the feed is suitable for being eaten by animals in animal husbandry; and the device also has the advantages of keeping of good electric contact, improvement of the integral stability and the heating capability, good mixing liquidity of the feed, and high mixing efficiency.
Owner:朵慧文

Rapid seedling culture and breeding method for macadamia nut seeds

The invention discloses a rapid seedling culture and breeding method for macadamia nut seeds. The method comprises the steps of organic fertilizer preparation, seedbed preparation, macadamia nut seedprocessing, seedling culture and the like. According to the method, by means of reasonable macadamia nut planting treatment and the multi-layer structure arrangement of a seedbed, the germination period of macadamia nuts is effectively accelerated, and the germination rate of the macadamia nuts is increased. Seed soaking and germination acceleration are carried out after seed airing, rinsing and disinfection, so that the activity of macadamia nuts is improved, and germination of the macadamia nuts is facilitated. Meanwhile, the seedbed of the multilayer structure effectively guarantees nutrition supply, nutrient substances among the layers are strong in mobility, nutrient components can be absorbed by root systems of the macadamia nuts, the seedling growing rate of the macadamia nuts is increased, and the seedling culture period is greatly shortened.
Owner:广西澳一澳农业科技有限公司

One-way full-sealed hidden rod type knife gate valve with cover

The invention discloses a one-way full-sealed hidden rod type knife gate valve with a cover. The gate valve comprises a valve deck, wherein a valve rod is arranged in the valve deck, combined filler is arranged at one end of the valve rod, a first sealing device is arranged on the outer side of the valve rod, a gate plate is arranged on one side of the valve rod, a second sealing device is arranged on the outer side of the gate plate, a lower valve body is arranged on one side of the valve deck, a gate plate is arranged in the lower valve body, a valve body is arranged on one side of the lowervalve body, a first support plate and a second support plate are arranged on two sides of the top of the valve body respectively, a lower valve body is connected to one side of the valve deck throughbolts, a knife gate valve plate is arranged on the inner side of the lower valve body, wear-resistant rubber is arranged on one side of the knife gate valve plate, a valve body mounting hole is formed in the top of the valve body, and the first support plate and the second support plate are connected to two sides of the valve body mounting hole through bolts. The gate valve has the characteristics of wear resistance and good sealing property of the valve rod.
Owner:WENZHOU CHISUN VALVE MFG CO LTD

Novel home flexible photovoltaic collection window

The invention relates to the technical field of photovoltaic devices, in particular to a novel home flexible photovoltaic collection window. The novel home flexible photovoltaic collection window comprises an upper wall body, hinges and rotary shafts; a window frame body is disposed in the middle of the interiors of the upper wall body and a lower wall body, and the window frame body, the upper wall body and the lower wall body are fixedly connected through built-in bolts; a collection window is disposed in the middle of the interior of the window frame body, and the window frame body is in clamping connection with the collection window through the hinges and the rotary shafts; glass is arranged in the middle of the interior of the collection window, and the glass is in embedded connectionwith the collection window. According to the novel home flexible photovoltaic collection window, through the structural improvement in combination with the prior art, the collection window is of an openable structure with strong air circulation; as a photovoltaic module of the collection window is made of a soft material, the bending and folding of the photovoltaic module can be achieved; in addition, as the collection window is provided with a thermal energy conversion device and has the advantage of high utilization of thermal energy, the novel home flexible photovoltaic collection window solves the problems and deficiencies in the prior art and is more inventive.
Owner:惠州永笙精密模具制品有限公司

High-precision plate washing head

The invention discloses a high-precision plate washing head, and relates to the technical field of plate washing heads. The head specifically comprises a supporting mechanism, connecting devices and aplate washing needle assembly, wherein the connecting devices are mounted on the front side and the rear side of the supporting mechanism, the interior of the supporting mechanism is vertically provided with the plate washing needle assembly in a penetration mode, the plate washing needle assembly comprises a first gas injection cylinder, a second gas injection cylinder, a third gas injection cylinder, a communicating pipe, a liquid injection pipe, a gas receiving pipe, a rubber folding cylinder, a taper sleeve, bristles and a needle pipe, the first gas injection cylinder, the second gas injection cylinder, and the third gas injection cylinder are sequentially connected in the vertical direction, the liquid injection pipe is welded to the top end of the first gas injection cylinder, the rubber folding cylinder is bonded to the bottom end of the third gas injection cylinder, and the bottom end of the liquid injection pipe communicates with the needle pipe. According to the high-precision plate washing head, stretching-out and drawing-back of all plate washing needles can be independently controlled through a gas pressure principle, and the stretching-out and drawing-back amount ofeach plate washing needle is completely dependent on the amount of gas exhausted or injected, so that the precision is high.
Owner:重庆佳鑫一帆科技有限公司
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