63results about How to "Guaranteed cycle" patented technology

The invention relates to the field of microbiological detection, in particular to a method for simultaneously and rapidly detecting at least two target objects, which comprises the following steps: S101, obtaining a first mixture; s102, obtaining a second mixture; s103, centrifuging the first mixture, collecting a first supernatant, centrifuging the second mixture, and collecting a second supernatant; s104, obtaining a third mixture; and S105, analyzing the existence and / or concentration of the first target object and / or the second target object in the sample to be detected according to the fluorescence intensity signal. The method has high detection sensitivity, good specificity, reproducibility, stability and anti-interference performance, and realizes enzyme-free, DNA-free, ultra-sensitive and wide-linear-range double-target detection.

The invention relates to the technical field of hemodialysis, in particular to a hemodialysis filter and a filtering system.The hemodialysis filter comprises a tube body, end covers are detachably installed at the two ends of the tube body, and a liquid inlet and a liquid outlet which are communicated with the interior of the tube body are formed in the two ends of the tube body; the filter element is coaxial with a concentric structure arranged between the pipe body and the end cover; the one-way valve body is mounted on the liquid inlet; the compression pipe fitting and the plugging structure are communicated with the liquid outlet, and the compression pipe fitting and the plugging structure are linked, so that when the compression pipe fitting acts, the plugging structure can plug the liquid outlet; the storage assembly is connected with the pipe body and the compression pipe fitting, the storage assembly has two states of being combined with and separated from the compression pipe fitting, and when the storage assembly is separated from the compression pipe fitting, the compression pipe fitting can enable blood in the liquid outlet to flow back, and the situation that the filtering effect is reduced due to the fact that the filter element is blocked is avoided.

The invention relates to the technical field of acrylonitrile catalyst production, in particular to a pulping device and a pulping process for acrylonitrile catalyst production, the pulping device comprises a homogenizing mechanism, the homogenizing mechanism comprises a tank body and further comprises a sealing cover arranged above the tank body and used for feeding, a stirring pulping assembly used for stirring slurry is arranged above the sealing cover, and the stirring pulping assembly is arranged above the tank body and used for stirring the slurry. The slurry extrusion device comprises a tank body and an extrusion box arranged below the tank body, an extrusion plate used for pushing slurry and a driving assembly used for driving the extrusion plate are arranged in the extrusion box, and the extrusion plate can extrude the slurry in the extrusion box; the extruded slurry can be discharged into the tank body through the first guide pipeline to realize circulating conveying of the slurry, so that one-way circulating operation by adopting a circulating pump is avoided, the maintenance frequency of each circulating part is reduced, synchronous circulation of the slurry on the left side and the right side of the tank body can be realized in a linkage manner, and the production efficiency is improved. And compared with a traditional circulating pump, one-way circulation is more efficient.

The utility model discloses a heat dissipation device of an electric cabinet of an air-cooled water chiller, which relates to the technical field of electric cabinets and comprises a box body, a fan is fixedly mounted at the center of the right side of the box body, a plurality of air inlets are formed in the left side of the box body in a penetrating manner, and a temperature sensor is fixedly mounted on the upper side in the box body. Sliding grooves are fixedly connected to the upper end and the lower end of the left side in the box body, sliding frames are slidably connected to the interiors of the two sliding grooves, first filter screens are fixedly connected to the interiors of the sliding frames, and a stop lever is rotatably connected to the left end of the front side of the sliding groove in the upper end. By arranging the first filter screen, the air inlet and the second filter screen, external dust is prevented from entering the electric cabinet through the heat dissipation holes to cause certain damage to electronic components, and by arranging the sliding groove, the sliding frame, the second handle and the stop lever, when dust is attached to the surfaces of the filter screens to hinder air circulation, the dust is prevented from entering the electronic components. And the filter screen can be conveniently detached for dust cleaning, and the heat dissipation efficiency is improved.

The present invention discloses a carbon-supported purifier for nitrogen production, comprising a first deoxidation tower, a second deoxidation tower, a cooler, a first purification tower, a second purification tower, and also comprising: a middle heating structure, comprising a first fixed clamp seat, a second fixed clamp seat, a heating frame, and a one-way hole, wherein a catalyst is arranged on the inner side of the first fixed clamp seat and the second fixed clamp seat and on the outer side of the heating frame, a circulating supply structure, comprising a feed guide seat, a heat medium feed pipe, a catalyst supply pipeline, and a catalyst circulation pipe; a circulating material guiding structure, comprising a material pocket tray, a material holding cavity, a material blocking slope, and a rotating assembly. The present invention can set a heat source in a carrier of a catalyst, so that the descending general nitrogen can be fully reacted at the position of the catalyst.

The utility model provides a fishery water circulation culture facility, which relates to the technical field of fishery culture and comprises a culture pond, one side of the culture pond is fixedly connected with a buffer pond and a treatment pond, a flow guide pipe is fixedly communicated between the buffer pond and the treatment pond, and treatment mechanisms are arranged in the buffer pond and the treatment pond. And the treatment mechanism comprises a back-flushing pipe, a filtering piece and an aeration pipe. According to the utility model, the buffer plate is arranged above the filtering piece, so that the flow velocity of water can be slowed down, the filtering piece is used for quickly filtering the water, separating impurities in the water and reducing the content of the impurities in the water, and the aeration pipe is used for carrying out oxygenation treatment on the water, so that the dissolved oxygen content in the water can be adjusted, and the water quality of discharged water is ensured; the top of the filter part is washed by utilizing the backwash pipe, sewage is discharged through the blow-off pipe, residues of stains and impurities can be reduced, the limiting plate is moved on one side of the positioning plate, so that the limiting plate is separated from the positioning plate, and the aeration pipe is convenient to disassemble and replace at the top of the treatment tank.

The utility model discloses a 960KW immersed liquid cooling heat management system, and belongs to the technical field of charging piles. Direct plugging of the charging modules is realized through the slideways, and maintenance personnel can replace and maintain a single charging module without complex operation, so that the maintenance time is greatly shortened, the maintenance efficiency is improved, and the maintenance cost is reduced. The immersion liquid cooling technology is adopted, cooling liquid can directly make contact with the charging module, and the heat dissipation effect is obviously better than that of a traditional air cooling heat dissipation mode. Meanwhile, due to the reasonable design of the air duct and the cooperative use of the dry cooler and the fan, the heat dissipation efficiency is further improved, and it is ensured that the charging pile can keep a stable working temperature during high-power operation. In addition, the CDU control panel automatically adjusts the rotating speed of the fan and the flow of the pump according to actual requirements, unnecessary energy consumption is avoided, the energy-saving buffering design is achieved, and the operation cost of the charging pile is reduced.

This invention belongs to the field of battery quick-swap technology and discloses a quick battery swapping device and method for a shuttle car in a tobacco automated warehouse. The battery swapping device is used to replace the depleted battery of the shuttle car and includes a battery swapping track unit, a battery storage unit, and a mobile battery swapping unit. The battery swapping track unit includes a transmission track and a first position detection component. The transmission track has three stations: battery swapping, buffering, and charging. The shuttle car moves on the transmission track. The first position detection component is located on the transmission track and detects the position of the shuttle car. The shuttle car can stop at the battery swapping station. The buffering station can temporarily store depleted batteries. The battery storage unit is located at the charging station and includes a charging compartment that stores fully charged batteries or charges depleted batteries. The mobile battery swapping unit includes a moving component and a battery swapping component. The battery swapping component is located at the output end of the moving component. The moving component can drive the battery swapping component to move between the three stations. The battery swapping component can pick up and put in depleted or fully charged batteries.

The utility model discloses a cooling device for an extruding machine, which relates to the technical field of aluminum profile processing and comprises a bottom plate and a cooling pond, the cooling pond is arranged on one side above the bottom plate, vertical plates are fixedly arranged on two sides of the cooling pond, the lower ends of the vertical plates are fixedly connected with the bottom plate, and the vertical plates are fixedly connected with the bottom plate. A liquid storage pool is fixedly arranged on one side of the upper surface of the bottom plate, a plurality of refrigeration pieces are fixedly arranged on the side wall of the liquid storage pool, the refrigeration ends of the refrigeration pieces extend to the inner side of the liquid storage pool, a backflow pool is fixedly arranged on the upper surface of the bottom plate and located on the lower side of the cooling pool, and a first water pump is fixedly arranged on the upper side of the liquid storage pool. A water inlet and a water outlet of the first water pump are communicated with the corresponding liquid storage tank and the cooling tank through first connecting pipes. According to the utility model, the filter plate of the cooling liquid can be automatically unblocked in the use process, and the normal circulation of the cooling liquid can be ensured.

The invention discloses a novel label printer. The novel label printer comprises a printer main body; a label paper roll; a thermal transfer ribbon assembly; the thermosensitive assembly comprises a first static electricity eliminating unit; the cutter assembly is provided with a second static electricity removing unit, the stripping angle of the thermal transfer ribbon is changed through the first static electricity removing unit, an S-shaped stripping section is formed at the printing channel, and then cooling and static electricity discharging are conducted on the thermal transfer ribbon and the label tape; and the second static electricity removing unit is used for removing static electricity of the label belt so that the cut-off label can be separated from the cutter assembly. The stripping angle of the thermal transfer ribbon is changed through a stripping plate on the first static electricity removing unit, and meanwhile static electricity on the thermal transfer ribbon is removed through a static electricity brush, so that the thermal transfer ribbon needs to pass through an S-shaped stripping section to be cooled and subjected to static electricity release for a period of time in the rollback process after first-time printing is completed; therefore, the label is prevented from adhering to the thermal transfer ribbon and returning to the thermal transfer ribbon recycling assembly together, manual intervention is reduced, and circulation of printing work is guaranteed.

The utility model discloses a cooling system of an air conditioner outdoor unit, which comprises a water spraying nozzle fixed in the air conditioner outdoor unit, and condensate water formed in an air conditioner indoor unit is conveyed to the water spraying nozzle from a second water pipe; the water tank with an upward opening is installed in the air conditioner outdoor unit and arranged under the water spraying nozzle, and the condenser is arranged between the water spraying nozzle and the water tank; the water suction pump is arranged at the bottom in the water tank, and a first water pipe is arranged between the water suction pump and the water spraying nozzle; one end of the third water pipe is connected to the water inlet of the water tank, and the other end of the third water pipe is externally connected to a tap water pipeline. Tap water and condensate water jointly cool the condenser in a spraying manner, and when the water level in the water tank rises to the overflow port, water in the water tank overflows into the main sewer pipe through the fourth water pipe; therefore, continuous circulation of water in the water tank can be guaranteed, high temperature is avoided, the condenser is cooled in cooperation with the fan located in the air conditioner outdoor unit, the cooling effect is good, and energy saving is facilitated.

The utility model relates to the field of mass spectrometer temperature control, and provides a temperature control device for a mass spectrometer. The temperature control device for the mass spectrometer comprises a medium cooler; the case is internally provided with a containing space, the containing space is used for installing a mass spectrometer, the containing space is further internally provided with a heat exchanger and an air supply part, the heat exchanger is in fluid communication with the medium cooler through a pipeline, and the air supply part is used for blowing the cooling capacity of the heat exchanger to the mass spectrometer; and the pump body is arranged on the pipeline. According to the temperature control device for the mass spectrometer, through cooperative work of the medium cooler, the heat exchanger, the air supply piece and the pump body, the working temperature of the mass spectrometer can be accurately controlled; the mass spectrometer can stably operate at a proper temperature, the influence of temperature fluctuation on the performance of the mass spectrometer is reduced, and the accuracy of a measurement result is improved; the problems of performance reduction of electronic elements, thermal deformation of mechanical parts and the like caused by over-high temperature are avoided, and the service life of the mass spectrometer is prolonged.

The invention discloses a cooling device applied to 3D printing equipment in the technical field of 3D printers, and the cooling device comprises a shell, a cooling cavity is formed in the inner side of the shell, a plurality of air holes are formed in the inner wall of the shell, the air holes are communicated with the cooling cavity, a workbench is installed in the shell, a printing head is arranged in the shell, and an air cooling mechanism is installed on the shell. An alternating mechanism is arranged in the cooling cavity, two placing discs are installed on the alternating mechanism, the lower sides of the placing discs are fixedly connected with backflow pipes, a circulating mechanism is installed on the shell, the backflow pipes are connected to the circulating mechanism in a penetrating mode, an ice maker is installed on the shell, the ice maker is connected with the circulating mechanism in a penetrating mode, a closing mechanism is arranged on the shell, and a driving mechanism is arranged on the shell. And the driving mechanism is movably connected with the air cooling mechanism, the alternating mechanism and the closing mechanism, so that the cooling efficiency of the equipment is effectively improved, and the equipment is more convenient to cool and higher in cooling speed.

The utility model relates to a kind of grinding material collecting machine, by grinding, conveying, material collecting, drainage function integration in one, significantly reduce the equipment floor area and material turnover link, improve the degree of automation of production line and overall efficiency, and by the transmission system of driving wheel, driven wheel and tensioned conveying belt, workpiece can be stably and continuously conveyed, the protective assembly set in the feed end of grinding frame, definite inlet channel is formed by protective support and the protective plate of two sides, both can guide material centering to enter, and can effectively isolate dangerous area, prevent operator from touching grinding debris and cooling liquid splash, by water guide groove and water guide support, grinding wastewater can be effectively collected and discharged, ensure the circulation of cooling liquid, help workpiece cooling and the stability of grinding quality, set discharge chute at driving wheel and connect with discharge plate, so that workpiece after grinding can be smoothly guided out and collected, facilitate subsequent processing, reduce manual intervention.

The present application relates to a sodium-supplemented diaphragm and a preparation method thereof, and a sodium-ion battery. The sodium-supplemented diaphragm includes a diaphragm substrate, a sodium-supplemented coating and an adhesive layer. The sodium-supplemented coating is coated on at least one side of the diaphragm substrate, and the adhesive layer is coated on the sodium-supplemented coating. The sodium-supplemented coating includes a sodium-supplemented additive, a first conductive agent, a first dispersant and a first binder. The adhesive layer includes a second binder, a second conductive agent and a second dispersant. The mass ratio of the second binder, the second conductive agent and the second dispersant is (60~95): (1~25): (3~20); the thickness of the adhesive layer is 0.3μm~5μm. The present application forms a strong bond between the diaphragm and the pole piece by setting an adhesive layer, effectively suppressing the generation of solid and gas residues after the sodium-supplemented agent reacts, the adverse effects on the interface contact between the diaphragm and the pole piece, and the problem of poor battery cycle stability.

The invention belongs to the technical field of soil remediation, and discloses a device and method for microwave remediation of polycyclic aromatic hydrocarbon in transformer substation soil, and the method comprises the step that a mixture of the transformer substation soil to be remediated and an oxidizing agent is treated for 30-60 min under 250-1000 W microwaves. The device comprises a microwave generation system, a tuner and a quartz reactor, the microwave generation system comprises a microwave generator and a circulator which are connected, the circulator is connected with a tuner, and the tuner is connected with the quartz reactor. According to the method, the mixture of the transformer substation soil to be remediated and the oxidizing agent is treated under microwaves, modification of the soil polluted by the polycyclic aromatic hydrocarbon is achieved, compared with a pollutant treatment function of a traditional method, harmlessness of pollutants can be achieved, different pollutants in the soil can be removed at the same time, the process is simple, and the method is suitable for large-scale popularization and application. The number of devices is reduced, and the land area is effectively saved.

The embodiment of the present application belongs to the field of computer programming technology, and relates to an optimization method and related equipment applied to neural network loops, the method comprising: obtaining data signals collected by a central system; performing feature extraction operations on the data signals to obtain feature extraction data; inputting the feature extraction data into an artificial neural network for data analysis operations to obtain data analysis results; generating control microinstructions according to the data analysis results; and performing loop operations on the target neural network according to the control microinstructions. The present application establishes a neural network loop process regarding a neural network central control terminal, a command execution module, a neural network interaction module, and an evaluation module according to the operation of the neural network under the operation of the neural network in communication. In the process, reasonable operations are performed according to the microinstructions of the neural network central control terminal, and then the priority division of the instruction set is used to ensure that the microinstructions with high priority are effectively operated.

The application discloses a transformer intelligent heat dissipation device for a large temperature difference area, relates to the technical field of transformers, and mainly solves the problem that a large temperature difference area cannot effectively dissipate heat or consumes high energy in heat dissipation, and comprises an oil-immersed transformer and an oil pillow arranged on the oil-immersed transformer, heat dissipation mechanisms are arranged on two opposite sides of the oil-immersed transformer, the two heat dissipation mechanisms are mirror-symmetrically arranged, air supply mechanisms are arranged at the bottoms of the heat dissipation mechanisms, an intelligent heat adjusting mechanism is arranged partly in the oil-immersed transformer and partly on a vertical side between the two heat dissipation mechanisms of the oil-immersed transformer, and the device can efficiently and energy-savingly solve the heat dissipation problem through multiple heat dissipation modes, and can heat the transformer when necessary while solving the heat dissipation problem, so that the operation of the transformer is better protected.

The invention discloses a carbon-supported purifying machine for nitrogen generation, which comprises a first deoxidation tower, a second deoxidation tower, a cooler, a first purifying tower and a second purifying tower, and also comprises a middle heating structure which comprises a first fixed clamping seat, a second fixed clamping seat, a heating frame and a one-way hole, and a catalyst is arranged on the inner sides of the first fixed clamping seat and the second fixed clamping seat and the outer side of the heating frame; the circulating supply structure comprises a feeding guide seat, a heating medium feeding pipe, a catalyst supply pipeline and a catalyst circulating pipe; the circulating material guiding structure comprises a material containing disc, a material containing cavity, a material blocking slope and a rotating assembly, a heat source can be arranged in a carrier of a catalyst, and downward general nitrogen is fully reacted at the position of the catalyst.

The present invention relates to the technical field of new materials for vanadium flow batteries, and in particular to a titanium carbide nanofilm and a preparation method and application thereof. The present invention uniformly mixes titanium carbide nanopowder into a relevant liquid matrix to form a uniform and stable nanofluid, and then prepares the solution on the surface of carbon felt, a substrate material for vanadium battery electrodes, through an electrostatic spinning technique with specific parameters to form a layer of uniform and thin three-dimensional nanofilm, and applies the prepared new electrode to a vanadium battery system. The present invention prepares a titanium carbide three-dimensional nanofilm on carbon felt and applies it to vanadium battery electrode materials, which can effectively improve the electrical conductivity, mechanical properties, corrosion resistance, etc. of vanadium battery electrodes, and extend the service life and efficiency of battery electrodes.

The utility model relates to the technical field of sterilization equipment, in particular to a novel efficient high-temperature and high-pressure sterilizer which comprises a heat preservation box body, a high-temperature and high-pressure sterilization tank and a heating water tank are arranged in the heat preservation box body, a sealing door matched with the high-temperature and high-pressure sterilization tank is arranged on the front side of the heat preservation box body, and a steam input tank is arranged at the bottom of the high-temperature and high-pressure sterilization tank. A supporting plate is arranged between the high-temperature and high-pressure sterilization tank and the steam input tank, a steam conveying plate is arranged in the steam input tank, a water condensation cavity is formed in the top in the heat preservation box body, an electric heating plate is arranged on the rear side in the high-temperature and high-pressure sterilization tank, an air extracting pump is arranged on the rear side of the heat preservation box body, and the air extracting pump is provided with a filtering and heating air inlet box and an air outlet pipe. Compared with the prior art, the utility model has the advantages that steam input at one side is matched with heat preservation and hot air input in the heating plate, so that high temperature and high pressure can be quickly formed in the heating plate, and long-time heat preservation can be realized, thereby reducing the input of steam, and meanwhile, water circulation can be ensured by matching with the top water condensing cavity; the water resource waste is reduced.

The invention provides a double-power-head mounting structure, a drilling machine and a control method, and the mounting structure comprises a mast assembly which comprises two outer masts and an inner mast which is slidably arranged between the two outer masts; the two track plates are detachably connected with the front surfaces of the corresponding outer masts respectively; the outer lifting oil cylinder is used for driving the outer power head to move up and down; the outer power head is slidably connected with the track plate through a sliding frame; the telescopic ends of the outer lifting oil cylinders penetrate through the corresponding sliding frames from top to bottom, cylinder barrels of the outer lifting oil cylinders are connected with the end faces, close to the mast operation platform, of the sliding frames, and the telescopic ends of the outer lifting oil cylinders are connected with the mast operation platform through supports. The two inner lifting oil cylinders are arranged in the corresponding outer masts respectively, and the two telescopic ends of the inner lifting oil cylinders are connected with the top ends of the inner masts through mast connecting pieces; the inner power head is slidably arranged on the front surface of the inner mast; the outer power head and the inner power head are coaxially arranged up and down; the double power heads can share the same well mouth, and double power head casing-following drilling can be achieved.

This application discloses a double self-locking U-shaped tee structure, comprising: a quick-connect tube with a male plug installed below it, the male plug having a second cavity inside, the second cavity having a first annular body on its outer wall; a first pin with a first spring between it and the first cavity, and a first sealing ring fitted around its outer ring to cooperate with the first annular body and the first step; a U-shaped tube with a female plug installed above it; a second pin located inside a fourth cavity and extending toward a third cavity, a second spring between it and the third cavity, and a second sealing ring fitted around its outer ring to cooperate with the second annular body and the second step. The double self-locking tee structure provided by this application can ensure liquid circulation, reduce dead space, and reduce bacterial growth. In addition, it can achieve double self-locking to ensure that liquid does not flow out, making it the preferred choice for sanitary pipes.

The utility model discloses a high-sealing-performance automobile radiator, and relates to the technical field of automobile radiators. The high-sealing-performance automobile radiator comprises a connecting pipe, a water pipe is arranged in one end of the connecting pipe, a rubber ring is arranged in the water pipe, a spring is arranged in the rubber ring, one side of the connecting pipe is connected with a fixing base, one end of the fixing base is connected with a limiting protrusion, and the other end of the fixing base is connected with a sealing ring. A sealing groove is formed in the fixing base, the sealing groove and the sealing protrusion at the water pipe connector are matched with a rubber ring 11 with a built-in spring, and stable sealing is achieved through tight engagement of the connector and elastic extrusion of the rubber ring and the spring. Due to the special structural design of the connector, installation is convenient, meanwhile, excellent sealing performance is guaranteed, the influence of internal pressure change of the water pipe and vehicle bumping can be effectively resisted, air is prevented from entering the radiator, the air permeation amount is reduced by more than 90%, and normal circulation of cooling liquid is maintained.

The present invention discloses a bored pile mud recycling device, comprising a mobile vehicle, one side of the mobile vehicle is rotatably connected to a horizontal plate, the upper surface of the horizontal plate is provided with a drilling machine, the upper surface of the horizontal plate is fixedly connected to a processing box, the inner wall of the processing box is fixedly connected to a partition, the partition divides the processing box into a sedimentation area and a mud trough, an outflow trough is provided on the partition, the side wall of the mud trough is fixedly connected to an output pipe, the other end of the output pipe is connected to the drilling machine, one side of the processing box is connected to an input pipe, the input pipe is connected to a pump, the input pipe passes through the horizontal plate, the other end of the input pipe extends into a borehole, and a slag scooping assembly is provided inside the sedimentation area. The present invention scoops out the gravel in the processing box by setting a slag scooping assembly to avoid gravel being left behind, and cleaning the sedimentation area can ensure mud circulation, which is conducive to ensuring the progress of the project.

The utility model discloses an intelligent machine room energy-saving device, relates to intelligent machine room energy-saving technical field, including main room body and support mechanism, the top of main room body is fixedly connected with a plurality of sets of support mechanism, and the inside of support mechanism is provided with base, and one side of base is fixedly connected with L-shaped plate, a triangular supporting frame is arranged at the top of the L-shaped plate, a fixing block is fixedly connected to one side of the L-shaped plate, a first driver is arranged in the fixing block, the interior of the base is in a hollow shape, the left side and the right side of the base are stretched through screws, the supporting mechanism is connected with the main house body, and the first driver is connected with the supporting mechanism through the fixing block. The first driver provides power for the driving mechanism. Compared with an existing common intelligent machine room energy-saving device, the intelligent machine room energy-saving device has the advantages that the filter screen is connected to one side of the filter frame in the clamped mode, dust in air can be purified through the filter screen, and impurities in the air are prevented from polluting equipment in a machine room.

The present invention relates to the technical field of filter air tightness detection, and in particular to a dry-type air tightness detection device for an automobile filter and a detection system thereof, comprising a workbench, and also comprising: a fixing frame, fixedly connected to the top of the workbench, a first electric cylinder fixedly installed on the inner wall of the fixing frame, a piston rod end of the first electric cylinder fixedly connected to a placement frame, an end of the placement frame being provided with an upper U-shaped opening and a lower U-shaped opening; an installation opening, which is penetrated and opened on the side wall of the fixing frame, a connecting plate is vertically slidably connected to the inner wall of the installation opening, and the side wall of the connecting plate is fixedly connected to the placement frame; a controller controls the operation of a blocking mechanism, and after completing the blocking operation, first controls the operation of the first electric cylinder to perform a docking operation between a lower pipe of the filter and a delivery pipe, and then controls a sealing detection unit to detect the air tightness of the riveted joints around the filter.

The utility model provides a new energy battery explosion-proof performance testing machine, which belongs to the technical field of battery explosion-proof performance testing, and comprises an explosion-proof box body, an explosion-proof box door, an explosion-proof glass window, a smoke removal assembly and a door body locking assembly, an anti-explosion glass window is embedded in the center of the anti-explosion box door, a smoke removal assembly is fixedly arranged on the back face of the anti-explosion box door, a door body locking assembly is fixedly arranged on the right side of the anti-explosion box body, a baffle is fixedly arranged at the outer end of the inner side of the anti-explosion box body, and guide rods are fixedly arranged on the left side and the right side of the interior of the anti-explosion box body; through the arrangement of the smoke removal device, when the battery is subjected to deflagration and fire break out during testing, the fan is started, the fan sucks smoke into the activated carbon box through the air inlet pipe, activated carbon in the activated carbon box adsorbs the smoke, and the adsorbed air flows back into the explosion-proof box body through the return pipe, so that the air circulation in the explosion-proof box body is ensured; the smoke removal effect is ensured.

The utility model relates to packing machine technical field, and disclose a kind of jujube powder automatic screening packaging machine, including powder packing main body, spiral feeding mechanism, screening mechanism, powder mechanism and raw material bin.Using this structure, through the linkage of each component, the storage, feeding, screening, coarse powder crushing, packaging and other processes of jujube powder are realized, manual intervention is reduced, labor intensity is reduced, and production efficiency is improved;At the same time, each component is directly connected, and the closed conveying mode is used to prevent jujube powder from contacting the external environment, avoid jujube powder from being contaminated and dust, and improve product quality;And the jujube powder that does not meet the screening requirement will be crushed by the powder mechanism and then fed into the raw material bin again, ensuring the circulation of the product and avoiding waste of jujube powder.

The utility model discloses an asphalt paver, which relates to the technical field of road paving and comprises a material paving groove, the bottom of the material paving groove is open, baffles are arranged on two sides of the material paving groove, a material pushing plate is fixed between the baffles on the two sides, and the distance between the material pushing plate and the ground determines the thickness of paved asphalt. The interior of the spreading groove is divided into two side-by-side spreading bins through a partition plate, the partition plate is parallel to the pushing plate, and the bottom of the partition plate does not protrude out of the bottom of the pushing plate. The head ends and the tail ends of the two spreading bins are communicated; a spiral blade is rotationally mounted in each spreading bin, and the bottom of each spiral blade does not protrude out of the bottom of the pushing plate; the conveying directions of the two spiral blades are opposite; and a feeding hole is formed in the spreading bin far away from the pushing plate. The two parallel and communicated spreading bins are arranged, and the two spiral blades with the opposite feeding directions are installed in the spreading bins, so that it is guaranteed that enough asphalt circulates in the spreading bins, and the pressure of a pushing plate is reduced on the premise that the spreading effect is guaranteed.