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46results about How to "Jet effect is good" patented technology

Refrigerant filling type rotary compressor

The invention discloses a refrigerant filling type rotary compressor comprising a casing, a compression mechanism, an injection tube and an injection valve. The compression mechanism includes a cylinder, a main bearing, a vice bearing, a crankshaft, a piston and a slip sheet, the inner wall of a cylinder cavity of the cylinder is provided with a filling opening, and a filling channel with a filling hole is arranged on the cylinder. The injection valve is in a close state to isolate the filling hole and the filling opening when the pressure in the cylinder cavity is greater than the pressure in the filling hole, and the injection valve is in an open state to connect the filling hole and the filling opening when the pressure in the cylinder cavity is less than the pressure in the filling hole. When the injection valve is in the close state, a clearance which is between the injection valve and the filling opening and capable of entering a compressed gas is called the clearance volume formed by injection valve, the ratio range of the clearance volume formed by injection valve to cylinder suction volume is 0.3-1.5%. The refrigerant filling type rotary compressor can reduce the performance loss of the refrigerant filling type rotary compressor.
Owner:GUANGDONG MEIZHI COMPRESSOR

Underground self-absorption type particle jet drilling device based on Venturi effect

ActiveCN109025825AImprove stress conditionIntensive Priming and PurificationDrill bitsConstructionsSpray nozzleRock breaking
The invention relates to an underground self-absorption type particle jet drilling device based on Venturi effect, which comprises an upper joint, a nozzle, a liquid inlet chamber, a throat pipe, a diffusion pipe and a lower joint, the upper end of the liquid inlet chamber is in threaded connection with the upper joint; the inner cavity of the upper joint is composed of a horn section and a nozzlesection; the outer part of the upper joint corresponding the nozzle section is a reducing section; the nozzle section is an equal diameter section; the nozzle is in threaded connection with the nozzle section; the nozzle and the nozzle section extend into the liquid inlet chamber; the upper pore channel of the nozzle is a horn pore channel, the lower pore channel is a cylindrical pore channel, and the liquid inlet chamber is provided with a liquid inlet hole; a diffuser pipe is connected at the lower end of the liquid inlet chamber, the throat pipe is arranged at the upper end of the diffusion pipe, the nozzle is coaxial with the throat pipe, and the lower end of the diffusion pipe is connected with the lower joint. According to the invention, the rock debris sucked from an annular spacecan be used as the impact particles, the mechanical drilling speed is greatly improved, the device is suitable for deep competent formations, and the rock breaking speed can be effectively improved.
Owner:NORTHEAST GASOLINEEUM UNIV

Multi-split system containing double enhanced vapor injection compressors

The invention relates to a multi-split system containing double enhanced vapor injection compressors. The multi-split system containing double enhanced vapor injection compressors comprises two enhanced vapor injection compressors, wherein exhaust ports of the two compressors are connected in parallel after passing through an oil separator respectively and are then connected to a D port of a four-way valve; a C port of the four-way valve is connected to an E port of the four-way valve after sequentially passing through a outdoor heat exchanger, a control system and an indoor heat exchanger; aS port of the four-way valve is connected to suction ports of the two compressors after passing through a gas-liquid separator respectively; the control system comprises a plate heat exchanger I and aplate heat exchanger II; the main side inlets of the two plate heat exchangers are connected in parallel with each other and then connected to the outdoor heat exchanger after passing through an electronic expansion valve III; and the main side outlets of the two plate heat exchangers are connected to each other in parallel and then connected to the indoor heat exchanger. The multi-split system containing double enhanced vapor injection compressors has reasonable design and high reliability, by adopting a double-plate heat exchanger structure, the heat exchange quantity is improved, the control precision and the air injection effect of the compressors are improved, and the overall performance of the system is improved.
Owner:NANJING TICA AIR CONDITIONING CO LTD

Storage device for medical device

The invention discloses a storage device for a medical device, including a storage box body, and the main body of that storage box is of a cuboid structure. A support is arranged at that bottom of theinside of the storage box body, a main pipe is installed on the top of the bracket, the main pipe is a cuboid structure, the top of the main pipe is communicated with a mesh-arranged spray head, projections are fixed on the inner walls of both sides of the storage box body, the top of the bump is fixed with an object placing plate, the object placing plate is of an inverted V-shaped structure, rectangular mounting holes are arranged on both sides of the object placing plate, steel wire mesh is installed in the mounting holes, a baffle plate and a partition plate are fixed on the top of the steel wire mesh, and a hot air blower is installed on one side of the storage box body.The device of the invention are arranged very simply, mutual infection between the device is avoided, the area contacted with the hot air as a whole and the area irradiated by the ultraviolet disinfection light are increased, and the operation is very simple.
Owner:芜湖帮许来诺医疗设备科技有限公司

Mortar mixing device for construction engineering

The invention relates to a mortar mixing device for construction engineering. The mortar mixing device comprises a cam part, a piston cylinder part, a mortar mixing chamber, a water supply part, a feeding groove and a discharging groove. By arranging a cam with a specific structure to be matched with the arrangement mode of a mortar mixing shaft, mortar is uniformly mixed without dead corners andcan be filled with fine bubbles, and thus the quality of the mixed mortar is improved.
Owner:徐州云润新材料有限公司

Disc-type micropore aerator

The invention discloses a disc-type micropore aerator including a flow guide disc, a rubber membrane sheet and a plurality of gas guide pipes; the middle part of the flow guide disc is provided with a hollow flow guide pipe protruding out of the upper surface of the flow guide disc, the end part of the upper end of the flow guide disc is in a sealing state, and the side wall surface of the upper end is provided with a plurality of gas guide holes; the central area of the rubber membrane sheet is a non-pore area, and the periphery area is provided with a plurality of micropores penetrating through the rubber membrane sheet; the rubber membrane sheet is positioned above the flow guide disc, the periphery edge of the rubber membrane sheet and the periphery edge of the flow guide disc are in sealing connection, and a gas guide cavity is formed between the flow guide disc and the rubber membrane sheet; the plurality of gas guide pipes are each of an V shape, one end of each of the plurality of gas guide pipes is connected with one of the plurality of gas guide holes, the side wall of the other end of each of the plurality of gas guide pipes is provided with a gas outlet hole, the gas outlet direction is that a gas flow sprays to a part of the central area of the rubber membrane sheet, and the gas outlet holes are each provided with a non-return valve. The device cannot cause pollution of ventilation pipelines.
Owner:GUANGXI NANNING ZHONGJIA ENVIRONMENTAL PROTECTIONVALVE MFG

An Electroconjugate Fluid Micropump

The invention discloses a mini electric conjugate fluid pump. An integrated structure is formed by a triangular prism electrode, a strip gap electrode and a flow passage groove of the mini electric conjugate fluid pump through an ultraviolet lithography processing technology, so that the triangular prism electrode and the strip gap electrode have high centering precision and good jet performance, two sides of the strip gap electrode and the wall of the flow passage groove form an integrated tight connection structure with good sealing property, so that irregular flow of the electric conjugate fluid between different electrode pairs is avoided, and the jet efficiency is improved; the integrated structure is formed by the triangular prism electrode, the strip gap electrode, the flow passage groove and a conductive band through an ultraviolet lithography processing technology, so that the mini electric conjugate fluid pump has a more compact and reasonable structure, a small size and large power density; through a bonding assembly manner between an upper cover board and a lower shell, the outer overall dimension is small and the power density is large. Miniaturization of the electric conjugate fluid pump is implemented.
Owner:SOUTHWEST JIAOTONG UNIV

Self-screening type towing and collecting device for grain harvesting based on winnowing

The invention discloses a self-screening type towing and collecting device for grain harvesting based on winnowing. The device comprises a vehicle body, a collecting box, a piston plate, a gas filter,a guide plate and a gas spraying head, wherein a wheel shaft is connected with a penetrating shaft in the interior of the lower end of the vehicle body, a gas suction bin is formed in the inner sideof the vehicle body, the piston plate is arranged on the inner side of the gas suction bin, a hook is welded to the outer side of the right end of the vehicle body, the gas filter is arranged on the outer side of the right end of the vehicle body, a rack is arranged on the inner wall of the right end of the vehicle body, the gas spraying head is connected to the outer side of the rack, and a gas conveying pipe is connected between the gas spraying head and the gas suction bin. According to the self-screening type towing and collecting device for grain harvesting based on winnowing, grains canbe automatically shaken and thrown high in the towing advancing process, tail gas heat generated in the working process of harvesting machinery can be recycled through the negative pressure effect, primary drying can be carried out on the grains while winnowing is achieved, and practicability is high.
Owner:安徽省双美农业科技有限公司

Shower equipment with adjustable jet flow

The invention discloses shower equipment with adjustable jet flow. A spraying needle is arranged in a spraying nozzle. A cold water inflowing space and a jet flow cold water outlet are formed between the spraying nozzle and the spraying needle. A hot water inflowing space is formed between the spraying nozzle and a valve body. A cold water inlet is respectively communicated with a cold water opening and the cold water inflowing space. A hot water inlet is respectively communicated with a hot water opening and the hot water inflowing space. When the shower equipment is used, the cold water inflowing space, the hot water inflowing space and the jet flow cold water outlet can be adjusted as long as the spraying nozzle is adjusted to move in the axis direction of a jet flow injection valve. According to the technical scheme, the good injection effect is achieved through a simple operation mode.
Owner:青岛海鸥福润达家居集成有限公司

In-depth and precise drug administration device and drug administration method based on respiration department

The present invention discloses an in-depth and precise drug administration device and drug administration method based on respiration department. The in-depth and precise drug administration device comprises an insertion vertical tube, a lower end of the insertion vertical tube is connected with an air inflation-free cover bag, an upper end of the insertion vertical tube is connected with a toothbite block, an upper end of the tooth bite block is connected with an adjusting tube, the adjusting tube and the insertion vertical tube are internally provided with an insertion outer pipe, an outerwall of the insertion outer pipe is provided with external threads, an inner wall of the adjusting tube is provided with internal threads, the insertion outer pipe internally coaxially sleeves an insertion inner pipe, the insertion inner pipe in internally provided with a partition plate, a lower side of the partition plate forms a drug storage cabin, the partition plate is provided with a spraynozzle, a lower end of the spray nozzle is connected with a jet pipe, a lower end of the insertion outer pipe is connected with a joint, and the joint is provided with a spray head. The drug administration device can directly reach diseased parts to conduct in-depth and precise drug administration in a relatively mild manner, a ventilation method is used to conduct atomization of drug liquid intodrug mist, and the in-depth and precise drug administration device can conduct uniform drug administration of the diseased parts of patients in the respiration department, alleviates work difficulty of medical staff during the in-depth drug administration, and at the same time is simple in overall structure, convenient to operate, and strong in practicality.
Owner:成都市第二人民医院

Diamond nozzle of ultra-high pressure liquid jet and manufacturing method of diamond nozzle

The invention relates to a nozzle technology, in particular to a diamond nozzle of an ultra-high pressure liquid jet and a manufacturing method of the diamond nozzle. The diamond nozzle comprises a diamond sheet, a metal nano-powder layer, a metal backup shoe and a metal shell, the metal shell is provided with a built-in cavity, the cavity is filled with metal nano-powder and forms a metal nano powder layer, the metal nano powder layer is internally provided with the diamond sheet, the diamond sheet is arranged at the position of a central axis of the cavity of the metal shell, tightly wrappedby the metal nano-powder and integrated with the metal shell, the top of the metal shell is provided with an upper formed opening, the metal backup shoe is provided with a lower formed opening, the diamond sheet is internally provided with a nozzle through hole in a penetrating mode, and communicates with the upper formed opening and the lower formed opening. According to the diamond nozzle, diamond is adopted as a core material, the hardness and flow coefficient are high, the diamond is installed in a cutting head and a spraying head of fluid equipment, the jet effect is better, crack and passivation of an orifice cannot be produced in the use process, and the service life of the nozzle is far longer than that of other materials.
Owner:LASTING TECH SHENZHEN CO LTD

Method and system of measuring pressure loss of converter oxygen lance pipeline

The invention relates to the technical field of ferrous metallurgy, in particular to a system and a method of measuring a pressure loss of a converter oxygen lance pipeline. The system and the methodare applicable to measurement of a pressure loss of a 30-400t converter oxygen lance pipeline. The system mainly comprises a gas main pipeline, an oxygen lance branch pipeline, a flow regulating valve, a pressure transmitter, a computer system, an oxygen lance and a throttling head, wherein gas in the gas main pipeline enters the oxygen lance branch pipeline; the pressure transmitter transmits a signal to the computer system to display a pressure value P1 at the oxygen lance branch pipeline; the gas flows though the throttling head; a pressure value P2 displayed by the pressure transmitter mounted on the throttling head can be read on site or displayed by the computer system; and a measured oxygen lance pipeline pressure loss value delta P is equal to P1-P2. The system and the method havethe advantages that the stagnation pressure at an oxygen lance spray head inlet cannot be obtained under a practical production condition, but the stagnation pressure at different oxygen lance spray head inlets can be obtained by measuring the pressure loss; the performance of an oxygen lance gas supply pipeline can be evaluated; and the design of a converter oxygen lance spray head and the operation of an oxygen lance can be optimized.
Owner:UNIV OF SCI & TECH BEIJING

Drilling machine with dust-collecting device

The invention discloses a drilling machine with a dust-collecting device. The drilling machine comprises a drill rod, a power mechanism and the dust-collecting device, wherein the power mechanism is used for driving the drill rod to rotate; the duct-collecting device consists of a flow guide barrel and a dust-collecting barrel; a baffle plate for blocking dust-containing air flow is arranged at one end of the flow guide barrel; an installing hole is formed in the baffle plate; the baffle plate of the flow guide barrel is connected integrally with the power mechanism through a connection flange; the drill rod which is connected with the power mechanism penetrates through the installing hole in the baffle plate and extends out after passing through the inner cavity of the flow guide barrel; the duct-collecting barrel is positioned below the flow guide barrel; one end of the dust-collecting barrel is fixedly connected with the flow guide barrel integrally to ensure the communication of the inner cavities of the dust-collecting barrel and the flow guide barrel; the outer wall of the dust-collecting barrel is provided with a conveying pipeline which is connected with an external water supply device; the inner barrel wall of the dust-collecting barrel is provided with a plurality of nozzles which are communicated with the conveying pipeline. By adopting the drilling machine, the dust-containing air flow can be collected in the working process of the drilling machine, so that dust is prevented from being dispersed in a working environment and causing discomfort of the lungs of operators; moreover, the structure is simple, and the dust collecting efficiency is high.
Owner:PINGDINGSHAN GUAN HONG MINING TECH & EQUIP LIMITED

Paint spraying equipment for shipbuilding

The invention relates to paint spraying equipment for shipbuilding. The paint spraying equipment comprises a box body, a fixing pipe, a nozzle, an air pump, an air pipe and a sealing cover, wherein the box body is cylindrical and is vertically arranged, a mounting hole, an air hole and a feeding hole are formed in the top of the box body, the fixing pipe and the box body are coaxially arranged, and penetrates through the mounting hole, the fixing pipe is fixedly connected with the inner wall of the mounting hole in a sealed mode, the nozzle is mounted at the top end of the fixing pipe, the airpipe vertically penetrates through the air hole, the air pipe is fixedly connected with the inner wall of the air hole in a sealed mode, the air pump is fixed to the top of the box body, the air pipeis mounted on the air pump, the feeding hole is formed in the side, away from the fixing pipe, of the air pipe, and an auxiliary mechanism and a stirring mechanism are arranged on the box body. According to the paint spraying equipment for shipbuilding, through the auxiliary mechanism, the situation that a paint surface wrinkles due to the fact that a nozzle sprays air can be prevented, the air spraying effect is improved, and in addition, the function of stirring paint is achieved through the stirring mechanism.
Owner:云国珍

A double-linkage jet mixer

Disclosed is a dual-linked jet water mixer, comprising a water mixer body (A). The water mixer body (A) is provided with a cold water opening (A1), a hot water opening (A2) and a mixed water outlet, wherein the flow of cold and hot water is adjusted by a dual-linked control valve, which is installed on the water mixer body (A), through the opening sizes of the cold water opening (A1) and the hot water opening (A2). The water mixer also comprises a jet spray valve (B). The jet spray valve (B) is provided with a valve body (1), a spray nozzle (3), a spray needle (4) and a water outlet, wherein a cold water inlet (B1) and a hot water inlet (B2) are arranged on the valve body (1); the spray needle (4) is arranged in the spray nozzle (3); an inflow space for cold water (9) and a jet outlet for cold water (32) are formed between the spray nozzle (3) and the spray needle (4); an inflow space of hot water (8) is formed between the spray nozzle (3) and the valve body (1); the cold water inlet (B1) is respectively in communication with the cold water opening (A1) and the inflow space for cold water (9); the hot water inlet (B2) is respectively in communication with the hot water opening (A2) and the inflow space of hot water (8); and when in use, the inflow space of cold water (9), the inflow space of hot water (8) and the jet outlet of cold water (32) can be adjusted by merely adjusting the spray nozzle (3) to make the same move along the axial direction of the jet spray valve (B), thereby realizing a better spray effect in a relatively simple manner of operation.
Owner:GUANGZHOU SEAGULL KITCHEN & BATH PROD

Novel multifunctional positioning tool for automobile part machining

The invention relates to a novel multifunctional positioning tool for automobile part machining. The tool comprises a flange plate, a transmission shaft and an air ring, a bearing is embedded in the flange plate, the transmission shaft is assembled in the flange plate through the bearing, a butt joint base is arranged at the right side of the transmission shaft, and a tool chuck is installed at the right end of the butt joint base through a bolt; and the positioning tool is fixed to the right wall face of a gearbox of a machining lathe through the flange plate, the left end of the transmission shaft is fixedly connected with a driving shaft in the gearbox so that the transmission shaft can drive the butt joint base and the tool chuck to rotate synchronously, and when a blocking base rotates along with the chuck, the air ring is forced to extrude leftwards and exhaust outwards. Exhaust gas is sprayed to the chuck through a gas pipe, granular fine waste falling into gaps of the chuck is sprayed outwards in the machining process, functionality is improved, the tool chuck can be in a rotating state and cleaned at the same time, the application effect is better, the tool chuck can be used when a machine tool safety door is closed in the machining process, and the structure is more reasonable.
Owner:XIHUA UNIV

Movable dust removing equipment provided with air injection gear

The invention discloses movable dust removing equipment provided with an air injection gear. The equipment comprises a cover body, a moving mechanism and an air injection mechanism; the moving mechanism includes a fixed frame, a movable bracket and a part carrier frame, a first motor and a second motor; the part carrier frame has multiple placing positions; the first motor can drive the movable bracket to move on a guide rail; the second motor can drive the part carrier frame to rotate on the movable bracket; and the first motor and the second motor are connected with a PLC. Compared with the prior art, the equipment is provided with a rotating mechanism; multiple electronic parts are synchronously put in the part carrier frame for fixing during using; the equipment is automatically cleaned, is convenient for operation, higher in working efficiency and better in removing effect, and satisfies the use demands of users; and meanwhile, the equipment is provided with the air injection gear for further improving the air injection effect to increase the energy utilization rate.
Owner:TIANJIN ZHICHENGXIN ELECTRONICS

Two-stage oil absorption electric fuel pump with jet

The invention discloses a two-stage oil absorption electric fuel pump with jet. The pump comprises a motor, a pump body and a shell, wherein the motor and the pump body are arranged in the shell; the pump body comprises an oil outlet plate, a secondary impeller, an oil inlet plate, a primary impeller and a pump cover; the oil outlet plate is arranged on the motor through an oil bearing; the secondary impeller is positioned between the oil outlet plate and the oil inlet plate; the primary impeller is positioned between the oil inlet pipe and the pump cover; and one end of the shell is provided with an oil outlet. The two-stage oil absorption electric fuel pump with the jet has a simple structure, low cost and high effective output power.
Owner:SDZ AUTO PARTS

Turbulent agglomeration chamber and method for removing ultrafine particles using the agglomeration chamber

The invention relates to a turbulence agglomeration chamber and a method for removing ultrafine particles applying the same. The turbulence agglomeration chamber is characterized in that the agglomeration chamber is of a symmetrical hexagonal structure taking an incoming flow flue gas as the axis, an inlet is in a sudden-expansion state, an outlet is in a contracting state, the ratio of the width of the inlet to the total width of the agglomeration chamber is 0.2 to 0.4, the inclined angle of the wall face of the inlet and a center line of the incoming flow flue gas is 30 degrees to 60 degrees, the agglomeration chamber is internally provided with a triangular prism pin fin and 2n vortex sheets, n is larger than or equal to 1, every two vortex sheets form a group and are arranged symmetrically by taking the incoming flow flue gas as the axis, the inclined angle of each vortex sheet and the center line of the incoming flow flue gas is 30 degrees to 60 degrees, and the shortest distance between the vortex sheets and the wall face of the agglomeration chamber is 1 / 6 to 1 / 4 of the total width of the agglomeration chamber; the front view shape of the triangular prism pin fin is an isosceles triangle, the bottom edge of the isosceles triangle is perpendicular to the center line of the incoming flow flue gas, the vertex angle of the isosceles triangle directly faces the inlet and is located on the center line of the incoming flow flue gas, and the distance between the center of the isosceles triangle and the inlet is 1 / 4 to 1 / 3 of the total length of the agglomeration chamber.
Owner:HEBEI UNIV OF TECH

A coating device for improving the color consistency of workpieces

The invention discloses a coating device for improving the color consistency of workpieces, which belongs to the technical field of coating machines. The coating device includes: a coating box, an observation cabinet, an electrified support, a sputter nozzle, a powder box, a powder return chassis, a powder return pipe, Touring air jet assembly, running motor, running motor is set on the coating box, energized support is set on the output end of the running motor, workpiece mounting position is set on the energized support, powder returning chassis is set at the bottom of the coating box, and powder returning chassis is set at the bottom. The powder return pipe, the powder return pipe is connected with the powder box, the powder box is set on the coating box and communicated with the coating box through the magnetic control valve, the output end of the magnetic control valve is provided with a sputtering nozzle, and the coating box is equipped with a circuit jet assembly. The observation cabinet is connected with the traveling jet assembly, the powder return chassis, the powder return pipe, the electrified pillar and the powder box through wires. The invention has the functions of improving the color consistency of workpieces and saving coating materials.
Owner:CHINA LTD

High-safety multifunctional positioning tool for automobile part machining

The high-safety multifunctional positioning tool for automobile part machining comprises a flange plate, a transmission shaft and an air ring, a bearing is embedded in the flange plate, the transmission shaft is assembled in the flange plate through the bearing, a butt joint base is arranged on the right side of the transmission shaft, and a tool chuck is installed at the right end of the butt joint base through a bolt; the positioning tool is fixed to the right wall face of a gearbox of a machining lathe through a flange plate, the left end of the transmission shaft is fixedly connected with a driving shaft in the gearbox so that the transmission shaft can drive the butt joint base and the tool chuck to rotate synchronously, and when the blocking base rotates along with the chuck, the air ring is forced to extrude leftwards and exhaust outwards. Exhaust gas is sprayed to the chuck through the gas pipe, granular fine waste falling into gaps of the chuck is sprayed outwards in the machining process, functionality is improved, the tool chuck can be in a rotating state and cleaned at the same time, the application effect is better, the tool chuck can be used when a machine tool safety door is closed in the machining process, and the structure is more reasonable.
Owner:XIHUA UNIV

A jet mixer

Disclosed is a jet water mixer, comprising a jet spray valve (B). The jet spray valve (B) is provided with a valve body (1), a spray nozzle (3), a spray needle (4) and a water outlet, wherein a cold water inlet (B1) and a hot water inlet (B2) are arranged on the valve body (1); the spray needle (4) is arranged in the spray nozzle (3); an inflow space for cold water (9) and a jet outlet for cold water (32) are formed between the spray nozzle (3) and the spray needle (4); an inflow space for hot water (8) is formed between the spray nozzle (3) and the valve body (1); the cold water inlet (B1) is respectively in communication with a cold water opening (A1) and the inflow space for cold water (9); the hot water inlet (B2) is respectively in communication with a hot water opening (A2) and the inflow space for hot water (8); and when in use, the inflow space for cold water (9), the inflow space for hot water (8) and the jet outlet of cold water (32) can be adjusted by merely adjusting the spray nozzle (3) to make the same move along the axial direction of the jet spray valve (B), thereby realizing a better spray effect in a relatively simple manner of operation.
Owner:GUANGZHOU SEAGULL KITCHEN & BATH PROD

Smoke jet device

The invention discloses a smoke exhaust jet device, which comprises a fan, a housing, an outer nozzle, a smoke exhaust pipe, a central nozzle and a mixing pipe; the fan is fixed on the first side of the housing; the outer nozzle is fixed in the housing , the large-diameter end is fixed in the first side, communicated with the fan to form a jet air flow channel, the small-diameter end is fixed in the second side of the housing, and communicates with the mixing pipe; one end of the exhaust pipe extends out of the housing, and the other end Extending into the outer nozzle, fixed in the second side, forming an air flow channel with the outer nozzle, and communicating with the mixing pipe; the central nozzle is fixed in the smoke exhaust pipe, and one end extends out of the smoke exhaust pipe to communicate with the jet air flow channel, and the other One end communicates with the mixing tube; the first end of the mixing tube is fixed on the second side, and the port diameter of the first end is larger than the diameter of the small-diameter end of the outer nozzle. The invention realizes the multi-flow channel design, provides excellent aerodynamic characteristics, reduces the vortex formed inside, realizes better jet flow effect, and improves the service life.
Owner:中国船舶集团有限公司第七一一研究所

A blast furnace blowing device

The invention provides a blast furnace blowing device, which relates to the field of waste plastic recycling. The blast furnace blowing device includes a feeding hopper, a filter cartridge, an outer layer, a feeding pipe, a fixed plate and a base, the filter cartridge is arranged on the outer wall of one end of the outer layer, and the feeding hopper is arranged above the filter cartridge, so The feeding hopper is communicated with the filter cartridge, the inner wall of the outer layer is provided with fire-resistant and heat-resistant bricks, the fixing plate is arranged on the outer wall of the outer layer, and an installation groove is opened in the fixing plate, and the inner wall of the installation groove is provided with spray gun, the material conveying pipe is communicated with the spray gun, the base is arranged on the outer wall of the bottom end of the outer layer, one side of the base is provided with a discharge port, the other side of the base is provided with a slag discharge port, the The position of the slag outlet is higher than the material outlet. In the blast furnace blowing device, the inner pipe will rotate along the outer plate, turning the plastic particles deposited at the bottom to prevent the plastic particles from depositing at the bottom of the feeding pipe and causing blockage.
Owner:JINAN YISIDA AUTOMATION ENG

Multifunctional positioning tool with cleaning function for automobile part machining

The invention relates to a multifunctional positioning tool with the cleaning function for automobile part machining. The tool comprises a flange plate, a transmission shaft and an air ring, a bearing is embedded in the flange plate, the transmission shaft is assembled in the flange plate through the bearing, a butt joint base is arranged at the right side of the transmission shaft, and a tool chuck is installed at the right end of the butt joint base through a bolt; and the positioning tool is fixed to the right wall face of a gearbox of a machining lathe through the flange plate, the left end of the transmission shaft is fixedly connected with a driving shaft in the gearbox so that the transmission shaft can drive the butt joint base and the tool chuck to rotate synchronously, and when a blocking base rotates along with the chuck, the air ring is forced to extrude leftwards and exhaust outwards. Exhaust gas is sprayed to the chuck through a gas pipe, granular fine waste falling into gaps of the chuck is sprayed outwards in the machining process, functionality is improved, the tool chuck can be in a rotating state and cleaned at the same time, the application effect is better, the tool chuck can be used when a machine tool safety door is closed in the machining process, and the structure is more reasonable.
Owner:XIHUA UNIV

MVR (Mechanical Vapor Recompression) wastewater treatment device and use method thereof

PendingCN114684987ARealize the jet phenomenonAchieving a sealed stateSpecific water treatment objectivesTreatment involving filtrationVapor–liquid separatorAir pump
The invention discloses an MVR wastewater treatment device and a use method thereof.The liquid separator comprises a tank body, a motor is fixedly installed in an inner cavity of the lower surface of the tank body, the upper surface of a third connecting pipe is fixedly sleeved with a filter screen plate, the surface of a bearing is fixedly sleeved with a sleeve plate, and one end of each air pipe fixedly communicates with a hollow annular plate; air spraying heads symmetrically sleeve the top of the air pipe in a threaded manner, an air pump is fixedly mounted on the surface of the tank body through a mounting plate, gears fixedly sleeve the bottom of the sleeve plate and the output end of the motor, and a sliding ring plate slidably sleeves the surface of the hollow ring plate. According to the MVR wastewater treatment device and the use method thereof, the problems that in evaporative crystallization treatment, when droplets in liquid are removed in a gas-liquid separator, the droplets cannot be removed, and when the droplets cannot be removed, a small part of steam can be collected together with the formed liquid, so that the separation effect cannot be improved are solved.
Owner:WUHAN HONGAO GREEN ENERGY ENG

Water film spreading device of solar cell wet etching machine

The invention discloses a water film spreading device of a solar cell wet etching machine, the device comprises an etching machine body, through grooves are formed in the left side and the right side of the etching machine body, a plurality of transmission rollers are arranged in the etching machine body at equal intervals, silicon wafers are placed on the transmission rollers, a water outlet pipe is fixedly connected to the side wall of the etching machine body, the outer side of the water outlet pipe is sleeved with a second water conveying hose, a sixth hoop is fixedly installed on the outer side of the joint of the second water conveying hose and the water outlet pipe, and a machine cover is clamped to the upper end of the etching machine body. By designing a first motor, a driving bevel gear, a driven bevel gear, a connecting sleeve, a vertical pipe, a water pump, a first water conveying hose, the second water conveying hose and other components, a formed water spraying device can achieve rotary water spraying, spraying is more sufficient, water circulation can be achieved, waste of liquid medicine is avoided, and the liquid medicine is saved while rapid spraying is achieved.
Owner:陈逸川
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