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52results about How to "Fully circulated" patented technology

Middle hole pressure storage static leakage-free oil sprayer

The invention discloses a middle hole pressure storage static leakage-free oil sprayer, comprising a high speed solenoid valve, a locking screw sleeve, a tapered surface ball valve type switch valve, a control plunger and barrel assembly, an oil sprayer spring, a spring seat, an opening check ring, an oil sprayer body, an oil sprayer assembly and an oil nozzle locking cap; the tapered surface ball valve type switch valve is arranged in a concave cavity in the upper end of the oil sprayer body; the upper end of the oil sprayer body is connected with the high speed solenoid valve by a locking nut; the lower end of the oil sprayer body is connected with the oil nozzle assembly by the oil nozzle locking cap; the control pole plunger and barrel assembly is arranged in a central hole formed along the axis of the oil sprayer body; the central hole of the oil sprayer body and the control pole plunger and barrel assembly form a middle hole pressure storage cavity. The oil sprayer is simple in structure, low in machining cost and convenient to mount, so the production efficiency and product percent of pass are improved.
Owner:钧风电控科技(大连)有限责任公司

Assembled type waterproof power distribution cabinet with automatic temperature control function

The invention discloses an assembled type waterproof power distribution cabinet with an automatic temperature control function. The assembled type waterproof power distribution cabinet comprises a base, a cabinet body and a top cover; a concave sliding groove is formed in the base; convex beams and pulleys are arranged on the bottom edges of three cabinet bodies relatively; matched hasp locks are arranged on the adjacent framework vertical columns and cross beams of the first cabinet body and the second cabinet body, and the adjacent framework vertical columns and cross beams of the second cabinet body and the third cabinet body respectively; bent telescopic sleeve pipes are also adopted on the top parts of the adjacent cabinet bodies to form sealed electric wire and cable channels; each cabinet body is also provided with an air inlet, an air outlet, a heat dissipation apparatus and an automatic control apparatus; and the V-shaped top cover can be stably embedded and inserted in clamping grooves formed in the top parts of the first cabinet body, the second cabinet body and the third cabinet body. The power distribution cabinet can be assembled onsite, so that the size of the single cabinet body can be reduced, and the power distribution cabinet is convenient to transport and high in stability after assembling; therefore, integration in form is realized while circuit interconnection is also achieved; and in addition, the power distribution cabinet is excellent in waterproof and heat dissipation functions, and convenient and flexible to use.
Owner:SHANGHAI MOLESITONG ELECTRICAL

Vegetative reversed filter concrete block and retaining wall

The invention relates to a vegetative reversed filter concrete block and a retaining wall. The block comprises a front side wall, a back side wall, a first side wall and a second side wall, the first side wall is opposite to the second side wall, the front side wall and the back side wall are respectively connected between the first side wall and the second side wall, a middle partition plate is arranged between the first side wall and the second side wall and is connected between the front side wall and the back side wall to divide the inside of the block into at least two portions, and through holes are arranged on the first side wall and the second side wall. The vegetative reversed filter concrete block is made of special grading permeable concrete, has a certain porosity and permeates water but not soil, the back pressure applied to the block in water level receding can be relieved, safety and stability of the retaining wall are enhanced, animal and plant growth and water flow are facilitated, and an original environment is kept as far as possible.
Owner:北京亚盟达生态技术有限公司

Steam sterilizing device of crude drug of Tibetan medicine

The invention relates to a steam sterilizing device of a crude drug of a Tibetan medicine, comprising a sterilizing bin and a cooling bin, wherein the sterilizing bin is provided with a sterilizing bin feeding hole and a sterilizing bin discharging hole, and the cooling bin is provided with a cooling bin feeding hole and a cooling bin discharging hole; the cooling bin feeding hole is connected with the sterilizing bin discharging hole; a gas exhaust port is arranged on the upper part of the sterilizing bin; a rotary agitator is arranged in the sterilizing bin which is provided with a hot air inlet; the hot air inlet is provided with a first branch air inlet and a second branch air inlet; the first branch air inlet is connected with a first hot air induced draft fan through a pneumatic valve; and the second branch air inlet is respectively connected with a second hot air induced draft and a steam generator through an energy-accumulated steam heat exchanger. The invention solves the problems that the steam sterilizing device in the prior art does not preheat or thoroughly preheat and is easy to generate condensed water, is especially suitable for sterilizing devices of crude medicinal materials of the Tibetan medicine, traditional Chinese medicinal materials, Chinese patent drugs, food, seasonings and other raw materials.
Owner:TIBET QIZHENG TIBETAN MEDICINE

Production device with drying and polishing functions for processing Bodhi fruit hand strings

The invention discloses a production device with drying and polishing functions for processing Bodhi fruit hand strings, and relates to the technical field of jewelry processing. The production devicecomprises a first conveying belt, a surface cleaning mechanism, a disc type drying mechanism, a polishing and slurry coating mechanism and an abrasive paper quick-change mechanism, wherein the surface cleaning mechanism is arranged on one side of the top end of the first conveying belt. According to the production device with the drying and polishing functions for processing the Bodhi fruit handstrings, the polishing and slurry coating mechanism is arranged, so that the defect that existing hand string raw materials are mostly completed by manual auxiliary positioning in the background technology is perfectly overcome; the output stroke of a polishing roller is controlled through the intermittent contact stroke of the output end of a triangular cam and an idle wheel, the transverse stroke and the longitudinal stroke of the polishing and slurry coating mechanism are driven at the same time by using one power source, the transmission of a driving gear to a transmission gear is transmitted through a spline shaft, and the power output direction is changed through a direction changing gear; and a reset spring is arranged, so that rapid elastic reset of the polishing and slurry coatingmechanism is realized, and the applicability is very high.
Owner:东莞市帕特慕可科技有限公司

PCB thermal pad

The invention discloses a PCB thermal pad which comprises an IC power pad, an IC land pad and conductivity bridges. The IC power pad and the IC land pad are both square. At least one side of the IC power pad is connected with a power copper sheet on an adjacent PCB through the conductivity bridge. At least one side of the IC land pad is connected with a land copper sheet on an adjacent PCB through a conductivity bridge. The power copper sheet and the land copper sheet are both provided with at least a through hole. As the conductivity bridges are arranged between the IC power / land pads and the copper sheets, on the circumstance of full power supply, heat loss of the pads is slowed down. As heat loss is too fast, the pads will be damaged if heated for a long time. By the adoption of the PCB thermal pad, the above problem will be avoided. In addition, yield of products is increased and reliable performance is raised.
Owner:SUZHOU HUANYAN ELECTRIC

Portable vehicle-mounted air purifier

The invention discloses a portable vehicle-mounted air purifier which comprises a shell, a suction fan, supporting legs, a control panel, a filter layer mechanism and a photocatalyst filter screen, wherein the shell is cylindrical; a tangent plane is arranged on the side surface of the shell; the control panel is arranged on the tangent plane; the upper surface of the shell is provided with an opening in the position of a center shaft; the suction fan is arranged in the shell through a lifting mechanism; the annular filter layer mechanism and the photocatalyst filter screen are sequentially arranged in the shell along the direction far from the center shaft; annular air outlets are formed in the side surface of the shell; a plurality of exhaust fans are arranged in the shell; the inlets of the exhaust fans face towards the center shaft of the shell, and the outlets of the exhaust fans face towards the air outlets; and a plurality of supporting legs are arranged on the lower surface of the shell at intervals. The portable vehicle-mounted air purifier overcomes the problems of the vehicle-mounted purifier in the prior art that the purifying effect is poor, the direction of each air outlet is fixed, and thus the air in a vehicle can not effectively circulate.
Owner:郭莹莹

Building decoration paint and preparation process thereof

The invention discloses building decoration paint. The building decoration paint is prepared from, by weight, 7-13 parts of a base material, 20-35 parts of filler, 4-17 parts of pigments, 10-13 partsof an auxiliary agent and 70-90 parts of distilled water. The base material is prepared from, by weight, 10-15 parts of silica sol, 12-20 parts of acrylic resin and 15-20 parts of epoxy resin. The filler is prepared from, by weight, 5-10 parts of light calcium carbonate and 30-35 parts of color sand. The auxiliary agent is prepared from, by weight, 22-27 parts of a whitening agent, 2-4 parts of stabilizing agent and 8-14 parts of a flame retardant. Various materials are processed to form the paint which is stable, high in quality and resistant to fire, combined materials are superior to existing materials, and the paint is less prone to damages and shedding, high in safety and long in service life. The paint has a faint mint aroma which masks intrinsic odor of the paint, so that physical comfort in use of the paint can be improved. After the paint is applied to exteriors of buildings, physical harms can be reduced, and safety of the paint is improved.
Owner:台州泰捷化工科技有限公司

Stainless steel sieve plate high temperature permeability dissolving nitrogen treatment method

The invention discloses a stainless steel sieve plate high temperature permeability dissolving nitrogen treatment method, by stainless steel sieve plate high temperature permeability dissolving nitrogen treatment, a 1-2 mm high temperature dissolving nitrogen layer is obtained on sieve hole wall surface, through the quenching process, a nitrogen-containing martensite or austenite layer is obtained on sieve plate surface and hole wall surface, on the basis of keeping corrosion resistance of stainless steel, the wear resistance of the sieve plate surface and hole wall surface is significantly increased, and the service life of a stainless steel sieve plate is prolonged.
Owner:SHANDONG UNIV OF SCI & TECH

Forming fabric and/or tissue molding belt and/or molding belt for use on an ATMOS system

A forming fabric for an ATMOS system or a TAD machine. The forming fabric includes a permeability value of between approximately 100 cfm and approximately 1200 cfm, a paper surface contact area of between approximately 0.5% and approximately 90% when not under pressure and tension, and an open area of between approximately 1.0% and approximately 90%. A belt press for a paper machine can utilize the forming fabric. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.
Owner:VOITH PATENT GMBH

Raisin air-drying room

The invention belongs to a raisin air-drying room. The raisin air-drying room comprises a heating chamber and an air-drying chamber; a heating device is disposed in the heating chamber; a support is disposed on the lower left of the heating device; the heating device comprises a heating stove, a heating box, a hot air shifting box, heating pipes and a ventilation pipe; a sharing wall is arranged between the heating chamber and the air-drying chamber; exhaust fans are disposed on the sharing wall and on the roof of the air-drying chamber; and ventilation openings are formed in the positions ofthe lower portions of the walls, on the two sides of the sharing wall, in the air-drying chamber and provided with ventilation baffles. The influence of the environment on the raisin air-drying room is small, air can be continuously heated through the heating device arranged in the heating chamber, hot air can be continuously provided for the air-drying chamber through the exhaust fan on the sharing wall, raisin air-drying is accelerated and lasts for 10 days, hot air can be fully circulated in the air-drying chamber through the exhaust fans on the roof of the air-drying chamber, water steam and cooled air can be exhausted through the ventilation openings, and the ventilation baffles can rotate around iron rods so as to adjust the opening degrees of the ventilation openings.
Owner:刘永恒

Photoetching machine projection objective and objective support through-hole design method

The invention discloses a photoetching machine projection objective and an objective support through-hole design method. The photoetching machine projection objective comprises an objective barrel, several objective lenses and lens supports corresponding to the objective lenses. The top of the objective barrel is provided with an air outlet and the bottom of the objective barrel is provided with an air inlet. One side of each one of the lens supports is provided with several through holes. Air flowing amounts and pressure loss values of the through holes are the same. The through holes of the adjacent lens supports are distributed diagonally. According to illumination field cases of each one of the lenses, the different through holes with different pore sizes are arranged at the corresponding lens supports through a specific method and the through holes of the adjacent lens supports are distributed diagonally so that gas pressure stability in a projection objective is guaranteed, full gas communication in the projection objective is realized, heat radiation performances and temperature stability in an optical path area are improved, the optical path area is fully filled with inert gas, projection objective sensitivity to a temperature and pressure is effectively reduced and photoetching quality is improved.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD

Stirring structure for reinforcing olefin polymerization and method for reinforcing olefin polymerization

The invention relates to a stirring structure for reinforcing olefin polymerization and a method for reinforcing olefin polymerization. The stirring structure comprises a reaction kettle body and an inner-outer double-layer stirrer arranged in the reaction kettle body, wherein the inner-outer double-layer stirrer consists of an inner-layer paddle and an outer-layer paddle arranged outside the inner-layer paddle; the inner-layer paddle and the outer-layer paddle are coaxially mounted in the reaction kettle body; the inner-layer paddle and the outer-layer paddle rotate at different speeds and indifferent directions as required. According to the stirring structure provided by the invention, through different combinations of the paddle types of the inner- and outer-layer paddles and by adjusting the speeds and directions of the inner- and outer-layer paddles in the polymerization process, the processes of slurry polymerization, solution polymerization, emulsion polymerization, suspensionpolymerization and gas-phase polymerization are reinforced, the mass transfer and heat transfer are promoted, the product quality is improved while the conversion rate is increased; moreover, the structure of the reaction kettle is not transformed, thus the investment cost on the equipment is saved.
Owner:SHANGHAI RES INST OF CHEM IND

High temperature infiltration nitrogen treatment method of stainless steel sieve plate

The invention discloses a high-temperature infiltration nitrogen treatment method for a stainless steel sieve plate. By performing high-temperature infiltration nitrogen treatment on the stainless steel sieve plate, a high-temperature dissolved nitrogen layer of 1-2 mm is obtained on the wall surface of the sieve hole. The nitrogen-containing martensite or austenite layer is obtained on the surface of the plate and the wall of the hole. On the basis of maintaining the corrosion resistance of stainless steel, the technology of significantly improving the wear resistance of the surface of the sieve plate and the wall of the hole, thereby prolonging the service life of the stainless steel sieve plate .
Owner:SHANDONG UNIV OF SCI & TECH

Material collecting device of paper angle bead machine

The invention discloses a machine collecting device of a paper angle bead machine, and belongs to the field of machinery. The device comprises an equipment frame, a paper angle bead feeding conveying and shaping mechanism, a platform surface conveying mechanism, paper angle bead material trolleys, paper angle bead material receiving mechanisms, movable material trolley positioning mechanisms and a control device. According to the material collecting device of the paper angle bead machine, the production process and technology conducted after discharging of paper angle bead manufacturing equipment are fully utilized, paper angle beads are automatically guided into the material trolleys, manual binding, packaging and moving actions are omitted, and the labor intensity of operators is effectively reduced; and the paper angle beads are placed in material grooves of the material trolleys at intervals, and therefore the air can fully flow, and the effect of uniformly and quickly drying the paper angle beads can be achieved.
Owner:安徽马钢和菱实业有限公司

Novel internal vibration type vibrating screen

The invention provides a novel internal vibration type vibrating screen comprising a screen outer ring, spring supports and springs. The novel internal vibration type vibrating screen further comprises connection shafts, motors, reinforcing rings, bottom screens, platens and side screens. The vibrating screen is composed of an inner screen and the screen outer ring. The inner screen is composed of the reinforcing rings, the bottom screens, the platens and the side screens. The inner screen is connected with the motors through the connection shafts and is driven. The connection shafts are fixed to motor bottom plates through pressing plates and shaft end baffles. A dustproof cover, a supporting plate and a reinforcing plate are arranged between each motor bottom plate and the screen outer ring. The spring supports and the springs are arranged at the bottom of the screen outer ring. The other ends of the springs are connected with the inner screen. The novel internal vibration type vibrating screen has the beneficial effects that design is ingenious, the fault rate is low, maintenance expenses are low, work is more reliable, the internal vibration type structure is adopted so that resonance can be effectively prevented, the screen is kept balanced, stable simple harmonic vibration is output, and the double-layer screen structure is adopted so that it can be ensured that materials are sufficiently circulated and impurities are effectively filtered out.
Owner:TIANJIN AIMENG TECH DEV

Injector

There is provided a injector in which a backstop function is realized by a collar part at a position situated away from a gasket in the direction of the side of the proximal end and adequate sterilization can be carried out, with a plunger rod (in which the collar part is formed) assembled, while aiming to secure airtightness. (A backstop function is realized by means of a collar part at a position situated away from the gasket in the direction of the side of the proximal end, thereby providing a injector capable of being adequately sterilized with a plunger rod (in which the collar part is formed) assembled, while aiming to secure airtightness.) A gasket (3) is inserted from a proximal end opening (22) of a barrel (2). Next, a plunger rod (4) is inserted as to establish connection of its distal end and the gasket (3). Then, a finger grip (5) is mounted to a flange (23). A disc part (45) is formed at a position situated away, in the direction of the side of the proximal end, from the gasket, thereby making it possible for the disc part (45) to abut and stop against an aperture edge (521) of the finger grip. There is formed in an outer peripheral edge part of the disc part (45) a communication opening part (451) having a concave shape. At the time of sterilization with hydrogen peroxide gas, the hydrogen peroxide gas which has flowed into an open space (26) from the proximal end opening is permitted to circulate in a semi-hermetically closed space (25) by way of the communication opening part.
Owner:DENKA CO LTD +1

Air conditioner air supply system and method for rail transit vehicle

InactiveCN113548073AReturn air speed reducedReduce wind speedRailway heating/coolingThermodynamicsFresh air
The invention relates to the technical field of rail transit and particularly relates to an air conditioner air supply system and method for a rail transit vehicle. The system comprises guest room temperature sensors, guest room temperature sensors, a return air door control module and a fresh air door control module, wherein the return air door control module is used for controlling an opening degree of a return air door; when the temperature in the guest room reaches a high-temperature threshold value, the opening degree of the return air door is controlled to be large; the fresh air door control module is used for controlling an opening degree of a fresh air door; when the temperature in the guest room reaches a high-temperature threshold value, the opening degree of the fresh air door is controlled to be small; the guest room temperature sensors are arranged on the return air door and a return air inlet; and the return air inlet is formed in an air duct gap. The system is advantaged in that problems that a rail transit vehicle is single in air return position, uneven in air return and large in noise can be solved, and excessive air return devices do not need to be additionally arranged.
Owner:CHONGQING CRRC RAILWAY VEHICLES CO LTD

Ppb-level hydrogen sensor for detecting lower limit and preparation method thereof

The invention discloses a ppb-level hydrogen sensor for detecting a lower limit, and belongs to the technical field of sensors. The hydrogen sensor comprises oxidized foam metal and palladium nanoparticles loaded on the oxidized foam metal, wherein the particle size of the palladium nanoparticles is 5-10 nm, the oxidized foam metal is obtained by carrying out high-temperature heat treatment on foam metal in an air atmosphere, the heat treatment temperature is 500-1000 DEG C, and the time is 3-6 h. Foam metal is fully oxidized at a certain temperature, a large number of insulating metal oxide nano wrinkles are obtained on the surface of the foam metal, and the oxidized foam metal substrate has a large surface area so as to adhere Pd nano particles; by utilizing the phenomenon that Pd reactswith high-concentration hydrogen to generate an incompletely reversible beta-phase Pd-H compound, a method for activating the hydrogen sensor through the high-concentration hydrogen is provided for the first time, and stable ppb-level hydrogen sensing performance of the hydrogen sensor is achieved.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

High-elasticity and perspiring sole and preparation method thereof

The invention relates to a high-elasticity and perspiring sole and a preparation method thereof. The sole comprises a main body, air holes, a connecting pipe, a one-way valve, a valve body, a mountingframe, a baffle, a connecting rod, a reset spring and a sealing block, wherein the air holes are formed in the main body, the connecting pipe is arranged in the main body, the two ends of the connecting pipe are connected with the air hole and a one-way valve respectively, the sealing block is connected to the end, which is away from the connecting pipe, of the one-way valve, and the sealing block is located in the main body. According to the high-elasticity and perspiring shoe sole and the preparation method thereof, the one-way valve is used, the movement drives the air pressure in the shoeto change during movement, so that the baffle is pushed by the air pressure to extrude the reset spring, the purpose of opening the one-way valve is achieved, internal air is exhausted after penetration, the internal air of the shoe is fully circulated, the perspiration performance is improved, the valve body is closed under the action of the reset spring after completion, and rainwater is prevented from flowing back into the shoe.
Owner:NANJING DONGYA RUBBER & PLASTICS

Air purifier

An air purifier comprises a main machine, motor wind wheel assemblies are arranged in the main machine, and the air purifier is characterized in that the main machine can be arranged on a base in a left-right rotating mode, an upper air duct and a lower air duct are arranged in the main machine, the motor wind wheel assemblies are divided into an upper group and a lower group correspondingly, the upper air duct and the lower air duct are provided with respective air outlets, and PTC heating bodies are arranged at the air outlets; air inlet screen plates are arranged on the left side and the right side of the main machine, an air outlet screen plate is arranged on the front side of the main machine, and rotary shutters capable of guiding the air outlet direction are arranged between the air outlet screen plates and the air outlets. The air purifier is simple and reasonable in structure, convenient and fast to assemble, flexible and convenient to use, capable of achieving the effect of single-air-duct high-rotation-speed operation only through low-rotation-speed operation, capable of greatly reducing noise, even in air outlet and capable of effectively improving the sleep quality of a user, has a heating function, and can be conveniently used in cold seasons.
Owner:NINGBO ZHEKAI ELECTRIC CO LTD

A hydrogen sensor with ppb level detection lower limit and preparation method thereof

The invention discloses a hydrogen sensor with a ppb-level detection lower limit, which belongs to the technical field of sensors. The hydrogen sensor includes an oxidized metal foam and palladium nanoparticles loaded on the oxidized metal foam, wherein the particle size of the palladium nanoparticles is 5-10 nm, and the oxidized metal foam is made by heating the metal foam in an air atmosphere at a high temperature Obtained by heat treatment, the heat treatment temperature is 500-1000° C., and the time is 3-6 hours. The present invention fully oxidizes the metal foam at a certain temperature to obtain a large number of insulating metal oxide nano-wrinkles on the surface of the metal foam. The oxidized metal foam substrate has a larger surface area to adhere to Pd nanoparticles; The hydrogen reaction will generate incompletely reversible β-phase Pd-H compounds. For the first time, a method of activating the hydrogen sensor with high-concentration hydrogen is proposed, and the stable ppb-level hydrogen sensing performance of the hydrogen sensor is realized.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Heat exchange device, heat exchange system comprising heat exchange device and vehicle

The invention provides a heat exchange device, a heat exchange system comprising the heat exchange device and a vehicle, and belongs to the technical field of vehicle heat exchange. The heat exchange device comprises a first flow guide plate, a plurality of heat exchanger plates, a second flow guide plate, a throttling plate and side plates. The first flow guide plate is provided with a first medium inlet, a first medium outlet and a second medium inlet; the plurality of heat exchanger plates are mounted on the first flow guide plate, and a first medium inflow channel, a first medium outflow channel, a second medium inflow channel and a second medium outflow channel are arranged; the second flow guide plate is mounted on the heat exchanger plates and is provided with a second medium outlet, a first medium inlet and a first medium outlet; the throttling plate is installed on the second flow guide plate and provided with throttling holes; and the side plates block the edges of the first flow guide plate, the multiple heat exchanger plates, the second flow guide plate and the throttling plate to form a plurality of first medium plate channels and second medium plate channels which are arranged alternatively. The problem that use of an air conditioner is affected due to control lag of an existing heat exchange device is solved.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Water reservoir and design calculation method thereof

The invention relates to a water reservoir. The water reservoir comprises a water reservoir body and a seepage discharging layer; the water reservoir body comprises a water reservoir bottom and a water reservoir side wall; the seepage discharging layer is arranged at the water reservoir bottom and the periphery of the water reservoir side wall; the seepage discharging layer is internally providedwith transverse seepage collecting pipes and vertical seepage collecting pipes which are criss-crossed and communicate; seepage holes are formed in the side walls of the transverse seepage collectingpipes and the vertical seepage collecting pipes; the vertical seepage collecting pipes communicate with seepage discharging pipes; and the seepage discharging pipes pass through the side wall of the water reservoir and communicate with one-way valves in the water reservoir body. The invention also discloses a design calculation method of the water reservoir. With the arrangement of the transverseseepage collecting pipes and the vertical seepage collecting pipes which are criss-crossed and communicate in the seepage discharging layer, water in the seepage discharging layer is automatically collected into the water reservoir, so that the buoyancy of the seepage discharging layer to a building above the seepage discharging layer is reduced and the safety of the building is ensured; and withthe arrangement of the one-way valves, groundwater in the seepage discharging layer can only flow in one direction, so that the groundwater is prevented from being polluted.
Owner:金建工程设计有限公司

CSP heating furnace flue gas recirculation waste heat recovery system

The invention relates to the technical field of waste heat recovery, in particular to a CSP heating furnace flue gas recirculation waste heat recovery system which comprises a working bin, a flue gas filtering device and a waste heat recovery device. The working bin comprises a square filtering bin and a recycling bin which is fixedly communicated with the top end of the filtering bin and is of a square structure, the smoke filtering device is assembled in the filtering bin, and the waste heat recycling device is assembled on the recycling bin; according to the system provided by the invention, flue gas filtration is additionally arranged before waste heat recovery, so that the problem that waste heat exchange recovery is influenced by adhesion and deposition of flue gas dust particles is avoided, meanwhile, incrustation cleaning can be actively carried out in real time, and the influence of an incrustation layer on the heat exchange effect is avoided or reduced.
Owner:江苏道和环保科技有限公司 +1

Center hole pressure accumulator non-static leak injector

The invention discloses a middle hole pressure storage static leakage-free oil sprayer, comprising a high speed solenoid valve, a locking screw sleeve, a tapered surface ball valve type switch valve, a control plunger and barrel assembly, an oil sprayer spring, a spring seat, an opening check ring, an oil sprayer body, an oil sprayer assembly and an oil nozzle locking cap; the tapered surface ball valve type switch valve is arranged in a concave cavity in the upper end of the oil sprayer body; the upper end of the oil sprayer body is connected with the high speed solenoid valve by a locking nut; the lower end of the oil sprayer body is connected with the oil nozzle assembly by the oil nozzle locking cap; the control pole plunger and barrel assembly is arranged in a central hole formed along the axis of the oil sprayer body; the central hole of the oil sprayer body and the control pole plunger and barrel assembly form a middle hole pressure storage cavity. The oil sprayer is simple in structure, low in machining cost and convenient to mount, so the production efficiency and product percent of pass are improved.
Owner:钧风电控科技(大连)有限责任公司

Fig Fresh Transport Box

ActiveCN110228656BAvoid frictional heatGuaranteed low temperature storage environmentShock-sensitive articlesContainers preventing decayCold airEngineering
The invention discloses a fig fresh-keeping transport box and belongs to the technical field of fig transportation equipment. The fig fresh-keeping transport box comprises a box body and a box cover.The box body is internally provided with a plurality of cushion layers. The lowermost layer of the cushion layers serves as the lower cushion layer, the uppermost layer of the cushion layers serves asthe upper cushion layer, and the every two cushion layers between the upper cushion layer and the lower cushion layer form one middle cushion layer. Each cushion layer comprises a bearing cushion andtwo buffer air bags. Each buffer air bag is provided with a plurality of connecting pipes. The two fixed air bags in each bearing groove communicate with the two buffer air bags through the connecting pipes. The connecting pipes are all mounted in the bearing cushions. Through the buffer air bags and the fixed air bags, the fig fresh-keeping transport box can effectively protect figs against collision and friction during transportation, can reduce the damage rate of the figs during transportation, can effectively ensure contact of the figs with the cold air through a connecting plug and a connecting hole and can ensure the refrigerating transportation effect of the figs.
Owner:SHANDONG BUSINESS INST

Through-hole design method of projection objective lens of lithography machine and its lens holder

The invention discloses a through-hole design method for a projection objective lens of a lithography machine and a lens holder thereof. The projection objective lens of a lithography machine comprises a lens barrel, a plurality of lenses and a lens support corresponding to the lenses, and the top of the lens barrel is provided with a The air outlet and the bottom are provided with an air inlet, and one side of the lens holder is provided with several through holes, and the gas flow rate and pressure loss value of each through hole are the same, and the through holes of the adjacent lens holders are arranged diagonally. According to the illumination field of view of each lens, the present invention arranges through holes with different apertures on the corresponding lens brackets according to a specific method, and makes the through holes of adjacent lens brackets diagonally distributed, which not only ensures the air pressure inside the projection objective lens Stability, and realize the full circulation of gas inside the projection objective lens, improve the heat dissipation performance and the temperature stability of the optical path area, and at the same time, the optical path area is fully filled with inert gas, which effectively reduces the sensitivity of the projection objective lens to temperature and pressure, and improves the photolithography. quality.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD

Flue gas high-temperature combustion treatment chamber

The invention discloses a flue gas high-temperature combustion treatment chamber, and relates to the technical field of garbage combustion treatment, the flue gas high-temperature combustion treatment chamber comprises a treatment box body, the top of the treatment box body is provided with a flue gas inlet and a cooling port, the upper part of the treatment box body is provided with a drying exchange cavity, and the lower part of the treatment box body is provided with a first combustion cavity; wherein a plurality of circulation pipelines vertically penetrate through the drying exchange cavity, a through opening is formed in the right end of the drying exchange cavity, the left end of the drying exchange cavity communicates with a cooling opening, and the cooling opening is connected with a cooling device; a plurality of ceramic heat storage layers and a plurality of refractory brick heat storage layers are vertically arranged in the first combustion cavity at intervals, and the ceramic heat storage layers and the refractory brick heat storage layers are sequentially and alternately arranged in the first combustion cavity from left to right. The device has the advantages that combustion is sufficient, the combustion process is safe and reliable, the manufacturing cost is low, the content of dioxin is effectively reduced, and reverse generation of dioxin is prevented.
Owner:莫国

Lower limb single stepping distance adjusting component used in orthopedic rehabilitation exercise

The invention relates to the technical field of medical apparatus and instruments, and discloses a lower limb single stepping distance adjusting component used in orthopedic rehabilitation exercise. The lower limb single step distance adjusting component comprises a shell; an inner cavity of the shell is movably connected with an adjusting mechanism; the adjusting mechanism comprises a tooth frame; the upper end of the tooth frame is slidably connected with a telescopic pressing-against rod; the surface of the shell is slidably connected with a pedal; and a connecting rod is movably connected between the pedal and the telescopic pressing-against rod. According to the lower limb single stepping distance adjusting component used in orthopedic rehabilitation exercise, when the pedal steps for one single time, an elastic clamping pin is utilizing to intermittently drive a positioning gear to deflect in a small range at a corresponding frequency, the relative distance between a limiting pressing-against plate and the tooth frame is adjusted, and a spherical bag is inflated and expanded when the pedal is matched to step, so that the lower limbs of a user can be fully massaged in a full-covering manner, and the lower limbs of the user are relaxed and cooled in good time, thereby effectively improving the rehabilitation exercise effect and ensuring sufficient circulation of blood during lower limb exercise of the user.
Owner:JILIN UNIV
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