43 results about "Pneumatic trough" patented technology

The invention relates to the technical field of flue gas purification treatment, and discloses flue gas treatment-based flying solid particle capturing and separating equipment, which comprises a shell, a fixed shaft is coaxially arranged in the shell, an air duct structure in a spiral path shape is fixedly connected to the fixed shaft, a spiral air groove is formed in the inner wall of the shell, and the spiral air groove is communicated with the fixed shaft. An annular gap is formed between the spiral air groove and the air duct structure, a filter screen is rotatably arranged in the gap, a cleaning bin is arranged on the outer side of the filter shell, a winding shaft is rotatably arranged in the cleaning bin, and a cleaning assembly is laid on the surface of the winding shaft; according to the equipment, the flowing direction of smoke is changed through the spiral design of the air duct structure, the smoke is pushed to the filter screen through centrifugal force, particles in the smoke are gradually adsorbed by the filter screen, and after the smoke enters the spiral air duct, the flowing speed of the smoke is increased due to the fact that the channel is small and is not blocked by the filter screen; and the generated pressure difference and spiral force improve the passing rate of the filter screen and the overall filtering efficiency.

The utility model discloses a cover plate adsorption carrier for an auxiliary material film in the technical field of electronic film auxiliary material processing, which comprises a processing table, the upper end of the processing table is fixedly connected with a water surrounding wall, the center of the water surrounding wall is fixedly connected with a processing carrier, the processing carrier comprises a carrier plate, a limiting angle plate, an ejection device and a hollow sucker, and the hollow sucker is fixedly connected with the processing table. Limiting angle plates are fixedly connected to the four corners of the carrier plate, ejection devices are arranged on the inner sides of the limiting angle plates, a hollow suction cup is fixedly connected to the surface of the carrier plate, the lower end of the hollow suction cup fixedly communicates with an air groove channel, and a piston block is slidably connected into the air groove channel in a sleeved mode. The lower end of the piston block is fixedly connected with an electric rod, and the electric rod is electrically connected with a second storage battery. According to the arrangement, the cover plate can be limited and positioned in advance, so that positioning of the cover plate is more accurate, meanwhile, controllable pneumatic adsorption is adopted, taking-down is facilitated, and the situation that taking-down is inconvenient due to a common adsorption mode is avoided.

The application provides a kind of lining heat treatment equipment, belongs to lining processing technical field, including trolley and hoist furnace body by support, the upper end of the trolley is provided with cavity, the inside bottom surface of the cavity is provided with support column in array, the upper end of the support column is fixedly connected with backing plate, the upper surface of the backing plate is provided with refractory pad for placing lining;The inside of the cavity is vertically slidingly connected with sealing frame, the outside of the sealing frame is provided with gas groove, the bottom surface edge of sealing frame is uniformly provided with gas hole communicated with gas groove, the inside bottom surface edge of the cavity is uniformly provided with T-shaped rod;The upper end edge of the trolley is provided with groove, and the step surface at the opening of the upper end of the groove is provided with sealing pad;The application can solve the problem of sealing failure caused by debris, and prolong the service life of sealing pad by flexible support, greatly improve the sealing between furnace body and trolley.

The utility model relates to the technical field of special transportation operation, in particular to a suction and floating integrated platform structure which comprises a bottom plate, the bottom plate is communicated with external gas circuit equipment, and a positive pressure gas connecting structure and a negative pressure gas connecting structure are formed on the bottom plate. A frame body is arranged above the bottom plate, and a plurality of positive pressure guiding and collecting pipes and negative pressure guiding and collecting pipes are formed in the frame body; the lower part of the positive-pressure guiding and collecting pipe is communicated with the positive-pressure gas connecting structure, and the upper part is communicated with the positive-pressure shunting gas groove; the lower part of the negative-pressure guiding and collecting pipe is communicated with the negative-pressure gas receiving structure, and the upper part is communicated with the negative-pressure shunting gas groove; the positive pressure flow dividing air groove and the negative pressure flow dividing air groove are formed in an air dividing plate, a panel is further arranged above the air dividing plate, and a plurality of throttling type positive pressure holes and throttling type negative pressure holes are evenly formed in the panel. By guiding the positive pressure airflow and the negative pressure airflow, the airflow reaches the upper part of the panel through a fixed passage to form an air film, so that a workpiece above is kept suspended; and meanwhile, the distribution of the gas film is uniform, the strength can be flexibly adjusted, the balance effect of the workpiece is further guaranteed, and excessive energy consumption is also avoided.

The utility model discloses an automatic cut powder machine relates to food processing equipment technical field, including the conveying group, cutting mechanism and the hanging pole that set gradually, the conveyor belt of conveying group is equipped with through -hole and is linked with the air groove, through pneumatic auxiliary reduction noodle stick adhesion, guaranteeing the smooth conveyance and product integrity, and cutting mechanism contains rotary outer tube, the cutting board of inside setting, cutting knife and piezoelectric stack, realizes synchronous flying shear, and allows noodle stick continuous conveying high -efficient cutting, piezoelectric stack drive cutting knife high -frequency vibration, ensure that the incision is smooth, effectively prevents sticking, and cutting knife is immersed when rotating in the sink, and completes self -cleaning and lubrication, and the noodle stick of cutting is accurately positioned, and is automatically hung by the liftable hanging pole, and the machine sets automatic conveying, precision flying shear, vibration clean cutting and automatic hanging pole in one, and the production efficiency, noodle stick quality and automation level are improved significantly, and the labor intensity and maintenance demand are reduced.

The invention relates to the technical field of condensers, and particularly discloses an efficient heat exchange tube for a condenser, the efficient heat exchange tube comprises a base, a supporting plate is fixedly connected to the upper surface of the base, a shell is fixedly connected to the upper surface of the supporting plate, and a storage groove is formed in the side face of the shell in a penetrating manner; a plurality of condensation plates are fixedly connected to the interior of the storage groove, a heat exchanger is arranged above the base, connecting pipes are fixedly connected to the front side wall and the rear side wall of the shell correspondingly, and a control mechanism for controlling heat exchange is arranged on the side face of the shell. The temperature in the condenser can be transferred into cold water, the cold water can be heated, hydrogen in the gas tank can be heated by the cold water, the volume of the hydrogen can be increased, and along with the volume increase of the hydrogen, when the hydrogen is heated to the specific temperature, the hydrogen can push the partition plate to move downwards, so that the cold water in the water storage tank enters the condensation plate; and better heat exchange of the condensation plate is facilitated.

The application discloses a kind of quick temperature change damp heat test device, belong to temperature change damp heat test technical field, including test box, the bottom wall of the test box is slidably installed with placing plate, the bottom wall of the test box is rotatably installed with annular plate, the top wall of the annular plate is fixedly installed with mounting ring, the top wall of the mounting ring is uniformly fixedly installed with gas rod.This scheme passes impeller, in the process of air flow flow direction annular groove will blow impeller rotation, in the process of impeller rotation annular plate is driven to rotate, then in the process of annular plate rotation through mounting ring gas rod is driven to rotate, at the same time, when airflow passes through communication pipe, airflow will flow to gas tank through communication pipe, and flow to vertical groove through gas tank, then blow to the product to be measured through the air hole on vertical groove, so that the efficiency of the product to be tested can be improved uniformly heated, cold and wet, improve the efficiency and accuracy of test.

The invention discloses a spray tower structure for spray dust removal, and relates to the technical field of dust removal equipment. Comprising a tower body; the spraying assembly and the gas inlet assembly are sequentially arranged in the tower body from top to bottom; the liquid storage exhaust box is arranged at the bottom in the tower body; the spraying assembly comprises a spraying water tank arranged outside the tower body, a water outlet of the spraying water tank is provided with an adjusting nozzle box, an adjusting frame is horizontally arranged at the top in the tower body, the adjusting nozzle box is slidably arranged in the adjusting frame, a middle spraying groove is formed in the middle of the adjusting frame, and side spraying grooves are symmetrically formed in the two sides of the middle spraying groove respectively; the air inlet assembly comprises a supporting plate horizontally arranged below the adjusting frame in a spaced mode, two air adjusting boxes are arranged at the two ends of the top face of the supporting plate in a spaced mode, and air inlet pipes are arranged on the side walls of the two air adjusting boxes. The liquid storage exhaust box comprises an exhaust box communicated with the air groove, and an exhaust pipe is arranged on the exhaust box. The waste gas treatment device has the advantages of being beneficial to improving the waste gas spraying treatment effect and the like.

The utility model relates to the related technical field of pneumatic conveying, in particular to a high-sealing-performance pneumatic conveying inner wall air groove steel pipe which comprises a first steel pipe and a second steel pipe, the first steel pipe is a straight pipe, the second steel pipe is a straight pipe with an elbow, and a positioning thread groove is formed in the inner wall of the second steel pipe. Two arc-shaped grooves are formed in the surface of each of the first steel pipe and the second steel pipe, and a sealing assembly is fixedly connected between the first steel pipe and the second steel pipe. According to the high-sealing-performance pneumatic conveying inner wall air groove steel pipe, through the arrangement of the sealing assembly, when the high-sealing-performance pneumatic conveying inner wall air groove steel pipe is used, extrusion grooves in the inner walls of an upper arc-shaped plate and a lower arc-shaped plate can be matched with arc-shaped grooves to extrude a rubber sealing ring and an annular air bag ring, and the effect of deformation of the rubber sealing ring and expansion of the annular air bag ring is utilized; the air tightness between the first steel pipe and the second steel pipe is improved, it can be guaranteed that the negative pressure in the pipeline does not change in the pneumatic conveying process, and therefore the stability of pneumatic conveying is guaranteed.

A safety box capable of automatically adjusting temperature and humidity comprises a box body and a box door, supporting legs are connected to the bottom of the box body, the box door is connected with the box body through hinges, the box door and the box body are filled with cement-based composite materials, an inner cover shell is connected to a bottom plate of the box body, and through air grooves are formed in the inner cover shell, the side walls of the box body and a top plate. The surface of the air groove is connected with a cover plate, air holes are evenly distributed in the cover plate, the air groove of the inner cover shell is connected with an air distributing pipe, the air distributing pipe is connected to a main air pipe, the main air pipe is provided with an air inlet and outlet pipe, the air inlet and outlet pipe is connected with a dehumidification fan and an air supply fan, and an outer cover shell is connected to a back plate on the outer side of the box body. A compressor unit and an electric heating pipe are arranged in the outer cover shell, and an inlet of the air supply fan is connected with an installation cavity of the compressor unit and an installation cavity of the electric heating pipe. The temperature and the humidity are set through the temperature and humidity control panel, and the temperature and the humidity in the box body are controlled by controlling the dehumidification fan and the air supply fan to dehumidify and supply air.

The utility model relates to the technical field of PECVD (Plasma Enhanced Chemical Vapor Deposition) equipment, in particular to a partition controllable PECVD Showerhead structure, which comprises a box-shaped cavity structure consisting of an upper gas tank plate, a lower spraying plate and peripheral baffles, a plurality of partition plates in a concentric-square-shaped state are arranged in the box-shaped cavity structure along the horizontal direction, and the partition plates are arranged on the periphery of the box-shaped cavity structure. Each partition plate divides the interior of the box-shaped cavity structure into an area, the side, away from the spraying plate, of the air groove plate is communicated with a plurality of air inlet pipelines, each air inlet pipeline is communicated with one area, each area is internally provided with an air uniformizing plate, and each air uniformizing plate is communicated with the corresponding air groove plate. According to the utility model, the diffusion of the gas in the box-shaped cavity structure can be enhanced, the uniformity of the concentration of the gas in the cavity can be improved, the concentrations of the gas in different areas can be set to be the same or different according to the thickness of a deposited film, and finally, the purpose of uniform thickness of the deposited film is achieved.

The utility model relates to the technical field of pipe sizing, in particular to a sizing device convenient to clean, which comprises a first sizing sleeve and a second sizing sleeve connected with the first sizing sleeve, a cooling sizing component is detachably sleeved on the first sizing sleeve, a cooling water path and a vacuum air path are arranged in the cooling sizing component, and the second sizing sleeve is sleeved on the second sizing sleeve. The first sizing sleeve is provided with a plurality of first air grooves, and the vacuum air channel is communicated with the interior of the first sizing sleeve through the first air grooves. The device is convenient to clean, can reduce the vacuum blockage phenomenon, further can improve the qualification rate of the outer diameter size of a product, and improves the production quality of the product.

The utility model belongs to the technical field of waste gas treatment, and particularly discloses a waste liquid incineration device with a waste gas treatment mechanism, which comprises a shell and a rotary table, the bottom end in the shell is movably connected with the rotary table, a sleeve frame is fixed on the left side of the top end of the rotary table, and a liquid cylinder is inserted and fixed in the sleeve frame. A box body is installed at the upper left corner of the exterior of the shell, and a cover plate is installed above the box body. According to the waste liquid incineration device with the waste gas treatment mechanism, the box body is installed at the upper left corner of the exterior of the shell, a valve is opened, gas is conveyed to a hose through a gas pipe, then waste liquid in a stove body heating liquid cylinder is ignited, decomposition of internal harmful substances is promoted, and the liquid is vaporized; after the exhaust fan is started, the generated waste gas enters the elbow from the gas groove, is adsorbed by the bamboo charcoal particles in the three groups of box bodies and can be discharged to the external environment, so that the adsorption path is prolonged, the purification material is convenient to replace, and the problem that the waste gas is easy to generate is solved.

The utility model relates to a sealing device for a rear cover of a water dispenser, which belongs to the technical field of water dispensers and comprises a cover plate and an air pump, a sealing strip is mounted on one side of the cover plate, an annular air groove is arranged on the sealing strip, a communication groove communicated with the annular air groove is arranged on the cover plate, an air suction pipe communicated with the communication groove is mounted on the cover plate, and the air suction pipe is communicated with the annular air groove. A one-way valve is installed at the other end of the air suction pipe, a threaded pipe is installed at the air outlet end of the one-way valve, a communicating hose is installed at the air suction end of the air pump, and one end of the communicating hose is detachably connected with the threaded pipe. The cover plate is forcibly squeezed on the water dispenser, then a communication hose on an air pump is connected with a threaded pipe, the air pump is started to pump out air in an annular air groove, and therefore the cover plate is adsorbed on the water dispenser, the effect of sealing the gap between the cover plate and the water dispenser is achieved, the adsorption capacity of the sealing strip is enhanced, and the sealing effect is improved. And the cover plate is mounted more firmly.

The utility model discloses an air pressure type quantitative seasoning bottle which comprises a bottle body, a first reducing sleeve is arranged on the bottle body, a mounting table is arranged on the first reducing sleeve, a first valve seat is arranged on the mounting table, a first cross valve is arranged on the first valve seat, an air groove is formed in the inner side wall of the first reducing sleeve, a piston is arranged on the mounting table, and a second reducing sleeve is arranged on the lower portion of the bottle body. The second reducing sleeve is provided with a third through hole, a second valve seat, a fourth through hole and an air pipe, the second valve seat or the air pipe is provided with a first filter screen, and the second valve seat is provided with a feeding channel. When the piston moves downwards, the piston compresses air downwards to open the first cross valve and convey the air to the second cross valve through the air pipe, the opened second cross valve conducts quantitative discharging, and when the piston moves upwards, external air is pumped upwards by the piston. Seasoning in the containing cavity of the second reducing sleeve reaches the quantifying cavity through the feeding channel under the action of the turning airflow.

The invention belongs to the technical field of bin detection equipment, and discloses bin detection equipment with a self-cleaning function, which comprises a floor and an automatic guide vehicle placed on the floor. Through cooperation of the cleaning assembly, the power assembly and other structures, the power assembly pulls a steel wire rope through a first gear, the air tank is in a rotating state, the sealing plate reciprocates, when the sealing plate moves towards one side, a first one-way valve on the side is in an open state, and the air tank conveys air into a sponge strip through the first one-way valve and an air groove; and finally, gas is sprayed outwards through gaps in a sponge strip, so that dust on the two-dimensional code is easier to fall off, a gas tank drives the gas tank to sweep the edge of the two-dimensional code, the dust outside the two-dimensional code is absorbed into the gas tank through a flow dividing shell and a first notch in the outer portion of the flow dividing shell, and finally the dust is collected by a storage assembly. Therefore, the dust in the gap between the two-dimensional code and the floor is reduced, and the possibility that the two-dimensional code falls off or is curled is reduced.

The invention discloses a constant-pressure deflation valve with a process operation stability maintenance function for an electric submersible pump well casing, which is improved and optimized based on the basic principle of the deflation valve, takes repulsive force as prestress and takes a ventilation gap as the only channel in the exhaust process, and is specifically characterized in that a first-stage air sheet, a second-stage air sheet and an air blocking ring group are arranged aiming at the position of the ventilation gap; the pneumatic column is driven to move upwards along with rising of gas pressure, a gas pressure'retarding 'process is formed between the first-stage gas piece and the second-stage gas groove and between the second-stage gas piece and the first-stage gas groove in the upward moving process, a middle gas groove and a co-action gas pipe are obtained based on improvement of the piston block and used for the high-pressure gas discharging process, and secondary gas discharging action is formed. The method is essentially characterized in that in the high-pressure gas emission process, the movement amplitude of the piston block is reduced through the gas pressure'slow speed 'process, the situation that the workload of the piston block in the movement process is increased in the high-pressure gas emission process is avoided, and the gas emission process is kept in a relatively stable state.

The utility model discloses a piston supercharging device with a sampling structure, which relates to the field of supercharging devices, and comprises a pipeline, the center of the outer wall of the pipeline is connected with a limiting pipe, the inner cavity of the pipeline is communicated with the inner cavity of the limiting pipe, the outer part of the limiting pipe is provided with a piston mechanism penetrating to the inner cavity of the limiting pipe, and the sampling structure is arranged in the limiting pipe. The piston mechanism comprises a piston plate connected to an inner cavity of the limiting pipe in a sliding mode. An air groove is formed in the piston plate, and the output end of the air groove is connected with a one-way sampling mechanism; the one-way sampling mechanism is used for guiding gas in the pipeline into a sampling bottle, so that the purpose of detecting the air in the pipeline is achieved; an end plate is formed at the end, away from the pipeline, of the limiting pipe. The sampling mechanism is arranged, so that gas in the pipeline can be sampled before hydrogen is conveyed, and whether factors influencing hydrogen storage and transportation exist in the pipeline or not can be judged conveniently.

The present application relates to oiling device technical field, and disclose a spring steel wire oiling device, including oiling device, the oiling device includes shell, the front of shell is equipped with control device, the inside of control device is provided with control module, the edge of shell bottom is equipped with base, the right side of shell bottom is equipped with oil recovery device, the middle position of shell top is equipped with oiling mechanism, the inside of shell is provided with conveying device, the shell is with shell on the same plane, the left side of shell top is equipped with gas conveying mechanism, the inner wall of shell right side is equipped with cleaning mechanism, the present application is equipped with gas conveying mechanism and cleaning mechanism, is favorable for the hot air generated by gas conveying mechanism to be transported to the surface of water absorption plate through gas tank, spray gun, accelerates the dehydration efficiency of water absorption plate, is favorable for control module to analyze whether spring steel wire surface meets production standard through real-time air pressure data change.

The utility model provides a hydrogen leakage detection early warning device for a hydrogen pipeline, which relates to the field of pipeline hydrogen transportation and comprises a detector body and a hoop which is arranged on the outer side of the pipeline and used for sealing a flange connecting end, and a gas groove for accommodating a pipeline flange and a valve flange is arranged on the periphery of the inner side of the hoop. The detection end of the detector body is connected to the inner sides of the upper portions of the hoops in a sealed mode, after the detector body is connected to the inner sides of the hoops, the detection end of the detector body extends into the air groove, through the arrangement of the two hoops, the connecting end of the valve flange and the pipeline flange can be sealed, and meanwhile the detection end of the detector body can be isolated in the hoops; not only can a sensor in the detection end of the detector body be prevented from being covered and polluted by dust, but also the phenomenon that trace leakage between the pipeline flange and the valve flange is blown away by wind and cannot be timely detected and alarmed by the detector body can be prevented.

The invention relates to the technical field of combustors, and discloses a detachable annular gas groove gas guide structure which comprises a combustor base, an injection pipe is arranged at the lower end of the combustor base, an annular gas groove is formed in the combustor base, and a gas inlet communicated with the injection pipe is formed in the annular gas groove. A gas guide cover piece is detachably arranged on the injection pipe in a covering manner; according to the annular gas groove gas guide structure, premixed gas flows in the circumferential direction of the annular gas groove after coming out of the gas inlet, so that the premixed gas forms a vortex in the annular gas groove under the guide of the gas guide cover piece, the further premixing effect of the premixed gas is effectively improved, the premixed gas can be output uniformly, flame combustion is more stable, and the combustion efficiency is improved. Meanwhile, due to the fact that the gas guide cover piece can be disassembled and assembled in the annular gas groove, cleaning is more convenient, and different gas guide cover pieces can be conveniently replaced to adapt to combustors of different sizes.

The invention belongs to the technical field of microbial fermentation equipment, and discloses an oxygen supply device for microbial fermentation, which comprises an oxygen supply box, a vortex tube is arranged in the oxygen supply box, the vortex tube is respectively communicated with an air inlet pipe, a hot air pipe and a cold air pipe, and a three-way pipe is arranged between the hot air pipe and the cold air pipe. Sealing plugs rotating in a sealed mode are arranged in the hot air pipe and the cold air pipe, and air grooves are formed in the upper ends of the sealing plugs and communicate with the first exhaust pipe and the second exhaust pipe correspondingly. A temperature sensing driving mechanism is arranged at the bottom of the oxygen supply box and comprises a temperature sensing pipe filled with thermal expansion liquid, a magnetic piston and a spring shaft matched with the sealing plug, magnetic attraction force changes are controlled through temperature sensing, the sealing plug is driven to rotate, and dynamic adjustment of the cold and hot gas mixing proportion is achieved. The three-way pipe is connected with a plurality of gas conveying pipes, and the oxygen supply function and the turning function are integrated in combination with the disturbance structure. The device has the characteristics of stable oxygen supply, controllable temperature and uniform disturbance, heat loss or equipment overheating is prevented, and the microbial activity and the fermentation efficiency can be effectively improved.

A novel long nozzle structure comprises a body, a hollow channel is formed in the body, a bowl part is arranged at the upper end of the hollow channel, an air inlet pipe is arranged on one side of a wrist part and communicated with an outer annular air channel, the outer annular air channel is communicated with an evenly-distributed air groove, an inner annular air groove is formed in the bowl part, and the inner annular air groove is communicated with the bowl part. The inner annular air groove is communicated with the outer annular air channel. Chemical elements in the air are completely prevented from entering molten steel through two radial argon plugging and axial inert gas dispersion, meanwhile, cold steel remaining in the bowl part during casting is blown away, a small amount of argon dispersed in the ladle collector nozzle steel outlet enters a tundish along the molten steel, upward turning of steel slag in the tundish is facilitated, the molten steel is purer, and the quality of molten steel is improved. Therefore, molten steel quality is guaranteed.

The invention discloses a pipe clamp for an ocean platform, and particularly relates to the technical field of pipe clamps, the pipe clamp comprises a first support, a second support and a pressing plate, an air groove is formed in the pressing plate, a pressing strip is arranged at the lower end of the pressing plate, and the pressing strip can extrude air in the air groove through sliding; a first wedge-shaped block and a second wedge-shaped block are arranged in the pressing strip, the first wedge-shaped block and the second wedge-shaped block are meshed with each other, and the second wedge-shaped block can move to enable the pressure of the pressing strip to be kept stable; according to the pipe clamp, the second wedge-shaped block and the first wedge-shaped block are matched with each other, the pressure of the pipe clamp on a pipeline is adjusted, meanwhile, the pressure on the pipeline is reduced when the temperature of the pipeline rises, and the situation that the pipeline is damaged due to the fact that the pressure borne by the pipeline is too large is prevented. Therefore, the phenomena of pipeline deformation, pipeline surface damage and fracture are avoided.

The invention belongs to the technical field of waste gas treatment, and particularly relates to a low-temperature volatilization recovery process and equipment for organic waste gas. Comprising a shell; tube plates are fixedly mounted at the top and the bottom of the shell; a plurality of heat exchange tubes are fixed between the two tube plates; a water inlet cover is mounted at the bottom of the shell; a water outlet cover is mounted at the top of the shell; first circular plates which are uniformly arranged are arranged in the shell; second circular plates which are uniformly arranged are arranged in the shell; two first lead screws are jointly in threaded engagement with the multiple first circular plates; the multiple second circular plates are jointly in threaded engagement with two second lead screws. A rectangular air groove is formed in the side edge of the first circular plate; a circular air groove is formed in the middle of the second circular plate; by arranging the auxiliary assembly, a liquid film can be prevented from forming a heat insulation layer on the heat exchange tube, so that a cold source in the heat exchange tube is in direct contact with waste gas, and the condition that cold transfer is blocked is avoided.

The invention belongs to the technical field of textile and garment production, and discloses a textile and garment wastewater efficient grading purification device which comprises a wastewater treatment device body, a filtering chamber, a decolorizing chamber and a biological treatment chamber which are arranged in an inner cavity of the wastewater treatment device body from right to left. According to the technical scheme, the pneumatic cylinder, the first air groove and the second air groove are arranged; when the whole piston rod is upward, negative pressure can be generated at the bottom of an inner cavity of the pneumatic cylinder, so that a first air groove and an impurity suction assembly can sequentially generate negative pressure to generate suction force to a first filtering cavity, and therefore impurity batting in the first filtering cavity is sucked away and guided into an impurity storage box, and then when the piston rod descends and resets, negative pressure is generated in an inner cavity of the top of the pneumatic cylinder; batting impurities in the second filtering cavity are sucked into the impurity storage box for storage by the ventilation pipe, the second air groove and the impurity suction assembly, and finally the batting impurities in the first filtering cavity and the second filtering cavity are rapidly cleaned and removed.

This invention discloses a coalbed methane (CBM) gas-driven simulation experimental testing device, relating to the field of CBM extraction technology. It consists of a split-type testing chamber, with a control box installed at the bottom and an experimental shell assembled at the top, with a heat insulation layer sandwiched between them. The experimental shell is divided into a symmetrically arranged upper and lower chamber. A heat dissipation plate with an openable / closeable gas slot is fixed to the top of the outer side of the upper chamber. An upper inner shell and a lower inner shell are embedded within the internal space of the experimental shell, each containing an experimental furnace and a heating cylinder encased therein. The sidewalls of the testing chamber are connected to a first, second, and third storage chamber. Gas and liquid are directionally transported along conduits via a pump. Multi-directionally extendable pusher assemblies are installed on both sides of the experimental furnace to simulate formation stress, accurately replicating the environment of the coal and rock strata, thus making the test data more precise.

The application belongs to the technical field of warehouse exploration equipment, and discloses warehouse exploration equipment with a self-cleaning function, which comprises a floor and an automated guided vehicle placed on the floor. The application is characterized in that a cleaning assembly and a power assembly are arranged in cooperation. The power assembly pulls the steel wire rope through the gear, and the gas tank rotates. The sealing plate reciprocally moves. When the sealing plate moves to one side, the one-way valve on the side is in an open state. The gas tank sends air into the sponge strip through the one-way valve and the air groove. Finally, the air is sprayed outside through the gap in the sponge strip, so that the dust on the two-dimensional code is more easily removed. The gas tank also drives the gas tank to clean the edge of the two-dimensional code. The dust outside the two-dimensional code is absorbed into the gas tank through the shunt shell and the first notch outside the shunt shell, and is finally collected by the storage assembly. In this way, the dust in the gap between the two-dimensional code and the floor is reduced, thereby reducing the possibility of the two-dimensional code falling off or rolling up.

The utility model discloses an MVR (Mechanical Vapor Recompression) concentration and evaporation device with a pretreatment function, which belongs to the technical field of evaporation and concentration equipment and comprises a preheating tank and a concentration and evaporation kettle, a front gas guide groove is arranged in the preheating tank, a rear gas guide groove is arranged in the preheating tank, and a plurality of heat exchange copper pipes are fixedly sleeved in an inner cavity of the preheating tank. According to the device, steam in the concentration and evaporation kettle is guided into the front gas guide groove in the side part of the preheating tank through the gas guide pipe, gas in the front gas guide groove enters the rear gas guide groove from the heat exchange copper pipe, and the steam in the inner cavities of the front gas guide groove and the rear gas guide groove is used for carrying out heat exchange on sewage on the side part of the inner cavity of the preheating tank; meanwhile, heat of flowing steam in the heat exchange copper pipe is used for heating sewage in the middle of the inner cavity of the preheating tank, the function of pretreating the sewage in the preheating tank is achieved, and meanwhile the uniformity of sewage pretreatment heating is guaranteed.

The invention belongs to the technical field of track cleaning, and particularly relates to a track and field track cleaning device and a using method thereof. The cleaning device comprises two side plates; collecting boxes are mounted on the opposite sides of the two side plates; an air box is arranged on the left side of the driving rod, and the air box is fixedly connected between the two side plates; a rotary drum is rotationally connected into the gas tank, and the rotary drum rotates in the arc-shaped outline of the bottom of the gas tank; air grooves are uniformly formed in the rotary drum; the top of the air box is provided with evenly-arranged air suction pipes, and the other sides of the air suction pipes are all installed on the corresponding air suction mechanisms. A discharging assembly is installed on the side, close to the spiral piece, of the air box and used for discharging leaves or garbage which cannot pass through the air groove. By arranging the cleaning device, the runway can be sucked by using different air grooves, so that dirt on the runway can be pumped out, and meanwhile, the situation that the air grooves are blocked due to the fact that part of garbage is adsorbed on the air grooves can be avoided.