49results about How to "Exhausted completely" patented technology

The invention discloses a ventricular assist system, a flushing method of a medical catheter pump system, consumables and a device, and belongs to the technical field of medical equipment. The ventricular assist system comprises a flushing pump assembly (210), a first three-way valve (220), a second three-way valve (230) and a medical catheter pump (240), a first valve port (221) of the first three-way valve (220) is connected to a first flushing passage driven by the flushing pump assembly (210), and a second valve port (222) of the first three-way valve (220) is connected to a first flushing interface of the medical catheter pump (240); a first valve port (231) of the second three-way valve (230) is connected to a second flushing passage driven by the flushing pump assembly (210), and a second valve port (232) of the second three-way valve (230) is connected to a second flushing interface of the medical catheter pump (240).

The invention relates to the technical field of gastrointestinal decompression, and discloses a decompression device for gastrointestinal examination, which comprises a main drainage bottle, a drainage hose fixedly connected to an inlet, a mounting rack sleeved on the drainage hose, a butt joint hose fixedly connected to the mounting rack, and a sealing shell fixedly connected to one end, away from the mounting rack, of the butt joint hose. The end, away from the butt joint hose, of the sealing shell is fixedly connected with a threaded pipe, the threaded pipe is in threaded connection with a butt joint pipe, and the end, away from the threaded pipe, of the butt joint pipe is rotationally connected with an auxiliary drainage bottle. Whether the stomach tube enters the gastrointestinal tract of a patient or not can be detected under the condition that the drainage hose and the stomach tube are not moved, and meanwhile the problem that in traditional operation, after an injector and the stomach tube are separated, bacteria are prone to being attached to the inner wall of the stomach tube, and residual gastric juice in the stomach tube flows out, and consequently potential health hazards are caused to the patient can be solved.

The present invention relates to the technical field related to permanent magnet motors, and discloses a large-torque explosion-proof permanent magnet motor with a cooling and regulating function, comprising a self-regulating heat dissipation component, an active heat dissipation component, a drive component, an integrated exhaust and collection device, and a dynamic thermal management wind control unit arranged in sequence from the tail to the end, the dynamic thermal management wind control unit comprising a second wind control unit component and a first wind control unit component, the first wind control unit component is arranged above the second wind control unit component, and the first wind control unit component and the second wind control unit component are arranged alternately; the present invention uses the second wind control unit component and the first wind control unit component, the second wind control unit component and the first wind control unit component are symmetrically arranged and staggered, and work together to achieve alternating suction and discharge of airflow, and when the drive device in the first wind control unit component is started, the drive device will push the arc push plate to move outward.

The utility model discloses a square slide frame sludge bunker belongs to sludge bunker technical field, including the warehouse body, the side edge lower extreme of warehouse body is installed with the discharge port, and the other side of warehouse body is provided with the two -way hydraulic lock, and the side edge of two -way hydraulic lock is connected with the cleaning assembly, and the both ends of two -way hydraulic lock are connected with the closing plate, and the upper end of closing plate is provided with the partition component, and the inside of warehouse body is provided with the discharge component, the utility model sets up the cleaning assembly, and the slide moves on the electric slide rail, and the cleaning brush moves to the top of warehouse body and stops, and the first one -way hydraulic lock elongation makes the cleaning brush enter the warehouse body, and the slide moves and drives the cleaning brush to move, and the cleaning brush cleans the inner wall of warehouse body, and after cleaning, the slide drives the cleaning brush to move to the top of cleaning water tank, and the first one -way hydraulic lock telescopic drives the cleaning brush to move up and down in the cleaning water tank, and the cleaning liquid in the cleaning water tank cleans the cleaning brush, and the cleaning brush is convenient for the inner wall cleaning operation of warehouse body, and the sewage in the cleaning water tank is discharged from the sewage outlet.

The utility model belongs to the technical field of natural gas connecting pipelines, and discloses a natural gas long-distance pipeline accumulated liquid discharging device which comprises a natural gas pipeline, a collecting box and an extruding mechanism, and a liquid discharging opening is formed in the bottom of the natural gas pipeline. The collecting box is communicated with the liquid discharging opening, a liquid discharging channel is arranged at the bottom of the collecting box, and accumulated liquid in the natural gas pipeline enters the collecting box through the liquid discharging opening; the extrusion mechanism comprises a driving assembly and an extrusion plate, the extrusion plate is movably arranged in the collecting box in the vertical direction, and the output end of the driving assembly is in transmission connection with the extrusion plate and used for driving the extrusion plate to reciprocate in the collecting box in the vertical direction, so that pressure is applied to the accumulated liquid in the collecting box, and the accumulated liquid is forced to flow out through the liquid discharging channel; accumulated liquid can be effectively discharged in an extrusion mode, accumulated liquid residues are avoided, when the pressure difference does not reach a discharge critical value, the accumulated liquid can be timely and effectively discharged, corrosion to a pipeline caused by long-term retention of the accumulated liquid is avoided, the leakage risk of the pipeline is reduced, and the service life of the pipeline is prolonged.

The invention relates to a process system for preparing lactide through cooperation of microwaves and ultrasonic waves, and belongs to the field of lactide material preparation. The microwave and ultrasonic synergistic technology is combined with the conventional lactide preparation technology, the microwave lactic acid dehydrator is used for removing water in lactic acid, the horizontal microwave and ultrasonic synergistic lactide preparation device decomposes the polycondensation and depolymerization reaction process into a plurality of reaction units for gradual polycondensation and depolymerization reaction, and the yield of lactide is improved. And respectively collecting the prepared lactide steam in different time periods according to temperature intervals. The process system has the advantages of continuous flow of process materials, continuous reaction, controllable process, rapid heating response, rapid and thorough dehydration, no use of a powder catalyst, no catalyst residue, timely volatilization of reactants, low vacuum degree requirement, and low energy consumption. The problems that volatilization of system products is hindered due to gradual increase of the viscosity of a reaction system, the reaction is inhibited from proceeding in the forward direction, and kettle residues are increased are solved, so that the purpose of preparing high-purity lactide at low cost is achieved.

The utility model discloses building concrete waste reprocessing and conveying equipment, which belongs to the technical field of concrete processing and comprises a main box body, a second crushing roller is arranged on one side in the main box body, a first crushing roller is arranged on the other side in the main box body, a stepping motor is arranged on the side edge of the second crushing roller, and a second crushing roller is arranged on the side edge of the first crushing roller. A transmission assembly is arranged on the side edge of the main box body, a mounting plate is arranged below the second crushing roller and the first crushing roller, limiting sliding rods are arranged on the two sides of the mounting plate, a screen is arranged at the lower ends of the limiting sliding rods, and first reset springs are arranged on the surfaces, located between the mounting plate and the screen, of the limiting sliding rods. The bevel gear and the transmission rod are used for transmission, the second crushing roller and the first crushing roller rotate to crush the building concrete waste, the bevel gear and the transmission rod drive the rotating shaft to rotate, the rotating shaft drives the cam to rotate, the cam jacks the screen to vertically vibrate in a reciprocating mode for screening, stable transmission is guaranteed, and long-time use is facilitated.

The invention provides a mechanism for separating cobalt and nickel in a manganese sulfate solution, and belongs to the technical field of cobalt and nickel recovery. Comprising a separation equipment body, the separation equipment body further comprises a reaction kettle, a feeding port is formed in the top of the reaction kettle, a rotating cover is rotationally installed at the top of the reaction kettle, a plurality of groups of reagent feeding pipes are installed at the top of the rotating cover, reagent discs are installed at the top ends of the reagent feeding pipes, and a gear ring is arranged on the inner side of the reaction kettle. The device has the advantages that the uniformity of the neutralizer put into the manganese sulfate solution is improved, the neutralizer is heated in advance, the activity of the neutralizer is improved, the neutralizer can react faster when making contact with the manganese sulfate solution, meanwhile, the reaction neutralizer and a small amount of the manganese sulfate solution can be mixed in advance, the concentration of the mixed solution is increased, and the reaction efficiency is improved. Meanwhile, the reaction neutralizer is diluted, so that the situation that part of the reaction neutralizer is not completely reacted due to the fact that the reaction neutralizer is too thick and reacts with the manganese sulfate solution too quickly is prevented.

The utility model relates to the technical field of kitchen oil fume purification, and discloses a novel kitchen oil fume purifier which comprises a shell, plate type purification units are arranged at the front end and the rear end in the shell, an infrared heating lamp tube is fixedly arranged in the middle of the top end of the inner wall of the shell, and spraying pipes are fixedly arranged at the tops of the front end and the rear end in the shell. A plurality of spray heads are fixedly arranged on the opposite sides of the two spray pipes, and a bifurcated pipe is fixedly arranged on one side of the shell. According to the purifier, when the purifier needs to be cleaned, the infrared heating lamp tube can be controlled to work, and infrared heating is carried out on the two plate type purification units in the purifier, so that the temperature of the plate type purification units rises, and oil stains automatically fall off; meanwhile, a high-pressure water pump can be controlled to pump out a cleaning agent in a cleaning agent containing groove to two spraying pipes to be sprayed out, and the plate type purification unit is cleaned, so that automatic cleaning is achieved, and the conditions of oil contamination blockage and difficult cleaning caused by long-time use are avoided.

The dust removal device for mine construction comprises a water storage tank, universal wheels which are symmetrically distributed are fixedly installed on the two sides of the bottom of the water storage tank, a water inlet pipe is fixedly installed on the upper portion of one side of the front face of the water storage tank in a penetrating mode, and a water drainage pipe is fixedly installed on the lower portion of the front face of the water storage tank in a penetrating mode. A partition plate is fixedly installed on the upper portion of the interior of the water storage tank. According to the dust removal device for mine construction, through driving of the electric telescopic rod, the height of the dust collection channels can be rapidly adjusted, after the dust collection channels are adjusted to the proper height, the air pump is controlled to start to work through the switch, and the air pump enables the multiple dust collection channels to generate suction force at the same time through the air suction pipeline, the telescopic pipe, the movable pipe and the connecting pipe; due to the installation position of the dust collection channel, the dust collection channel can collect dust in multiple directions at the same time, the coverage range is wide, the dust removal range is greatly widened, and workers do not need to frequently adjust the position of the dust collection channel through the device.

The utility model relates to the technical field of autoclaved brick production, and provides a waste gas purification device for autoclaved brick production, which comprises a spray tower, the inner wall of the spray tower is fixedly connected with an atomizing spray disc, the inner wall of the spray tower below the atomizing spray disc is fixedly connected with a filler, the top end of the spray tower is fixedly connected with an exhaust pipe, and the top end of the spray tower is fixedly connected with an exhaust pipe. A spraying pipe is fixedly connected to one side of the spraying tower, a fixing box is fixedly connected to the lower end of the other side of the spraying tower through a guide pipe, a filtering box is fixedly connected to the upper end of one side of the fixing box, and a waste gas inlet pipe is fixedly connected to one side of the filtering box. The filter screen is used for filtering dust particles, then the cleaning brush is used for cleaning the bottom end of the filter screen, and the dust particles are discharged through the chip removal square pipe, so that the filter screen is automatically cleaned, the frequency of halting, disassembling and cleaning the filter screen is reduced, the labor intensity of workers is reduced, and the working efficiency of waste gas purification is improved.

The utility model relates to the technical field of powder material centrifugation, and provides a powder material centrifugation device which comprises a shell, a discharging seat is fixedly connected to the middle position of the bottom end of the shell, a fine discharging pipe is fixedly connected to the lower end of one side of the discharging seat, a powder selecting bin is movably connected to the upper end of the interior of the shell, and the fine discharging pipe is fixedly connected to the lower end of one side of the discharging seat. A rough discharging pipe penetrating through the discharging seat is fixedly connected to the middle position of the bottom end of the powder selecting bin, a feeding pipe is fixedly connected to one side of the top end of the cover plate, and a driving motor is fixedly connected to the middle position of the top end of the cover plate. The scraping block can rotate to be attached to the inner wall of the powder selecting bin through the servo motor, then the scraping block can be matched with rotation of the powder selecting bin, automatic scraping and cleaning of the inner wall of the powder selecting bin are achieved, the situation that due to residual powder materials, collection is not thorough, and the follow-up centrifugal screening action of the powder materials is affected is avoided, and then the practicability can be improved.

The utility model provides a production stirring tank for separating and extracting small molecule active peptide, which relates to the stirring tank field, and comprises a base, a driving assembly and a stirring assembly, the upper end of the base is connected with a support, the driving assembly is fixed on the upper end of the support, and the stirring assembly is connected on the front side of the driving assembly. The driving assembly comprises a fixing plate fixedly connected with the support, a motor is installed on the rear side of the fixing plate, a driving shaft is connected to the front end of the motor, a driven shaft is connected to the upper side of the driving shaft through a belt, a gear is connected to the front end of the driven shaft, a gear ring is meshed with the lower side of the gear, and a shaft sleeve is fixedly inserted into the inner side of the gear ring. And the shaft sleeve is rotationally connected to the outer side of the driving shaft. The small molecule active peptide stirring tank solves the problems that raw materials are adhered to the tank wall of an existing small molecule active peptide stirring tank, so that the stirring uniformity is influenced, and meanwhile, the raw materials are not easy to discharge thoroughly.

The invention relates to the field of household appliances, in particular to a washing machine which comprises a machine body and a drainage system, the drainage system comprises a drainage valve set, a water outlet pipe and a drainage pipe, the drainage valve set comprises a shell, an impeller part and a filtering part, and a drainage valve chamber, a water outlet part and a drainage part are formed in the drainage valve set; a water passing channel is formed between the water outlet part and the drainage valve chamber, and the filtering piece is installed in the water passing channel; a residue discharging channel is further formed in the water passing channel, one end of the residue discharging channel communicates with the lowest position of the water passing channel, and the other end of the residue discharging channel communicates with the drainage valve chamber; sewage is completely discharged, is prevented from being accumulated in a drainage system and is thoroughly discharged, and peculiar smell is reduced; in addition, the filtering piece can filter sewage output into the water passing channel from the water outlet pipe, impurities such as hair and batting can be blocked by the filtering part, the impurities with small sizes are directly discharged, pipeline blockage is avoided, the maintenance frequency is reduced, and the use experience of a user is improved.

The invention relates to an exhaust structure for injection molding of a super-thick product, which is suitable for a super-thick plastic package product and comprises a demolding groove, at least one deep exhaust groove and at least one shallow exhaust groove, the demolding groove is used for ensuring that an injection-molded product can be smoothly taken out of the mold; the depth of the deep exhaust grooves is larger than that of the shallow exhaust grooves. The deep exhaust grooves are used for enabling a large amount of gas to enter and be exhausted in the injection molding process. The shallow exhaust groove serves as a supplementary structure behind the deep exhaust groove and is used for further exhausting residual gas. According to the exhaust structure, through the synergistic effect of the deep exhaust grooves and the shallow exhaust grooves, gas in the super-thick product is effectively exhausted, and the quality of the product is guaranteed.

The utility model provides a centrifugal screen drum turning tool, which relates to the field of centrifugal screen drum turning and comprises a rotary drum, a plurality of hoops are sleeved on the outer side of the rotary drum, mounting plates are arranged on two sides of each hoop, a mounting seat and a shaft sleeve are respectively arranged in the middle of each mounting plate, a speed reducer is inserted on the inner side of each shaft sleeve, and the speed reducer is sleeved on the outer side of the rotary drum. A mounting seat is arranged on the outer side of the speed reducer, a mounting shell is arranged on the outer side of the speed reducer, a hanging bracket is arranged at the top end of the mounting seat and the top end of the mounting shell, and a rocker arm is connected to the side face of the speed reducer in a sleeved mode. And the speed reducer drives the rotary drum to turn over at multiple angles according to 360 degrees on the mounting seat through the shaft sleeve, so that the parts are discharged more thoroughly, and the discharge of the parts is more convenient.

The invention discloses a single-barrel processing fermentation equipment for fruit wine production, comprising a conveying unit, a flipping unit, a separation unit, a rotating unit, a fermentation unit, a cutting unit, a collecting unit and a fermentation tank; the flipping unit flips the grape receiving end of the fermentation tank to the bottom facing the output end of the conveying unit, the conveying unit conveys the grapes to the rotating unit, the flipping unit cooperates with the separation unit to separate the grape stems and grape berries in the rotating unit, so that the grape stems are retained in the rotating unit, the rotating unit transfers the separated grape stems to the cutting unit when the flipping unit rotates to a corresponding position, the cutting unit collects the cut grape stems through the collecting unit; the separated grape berries enter the fermentation unit through the separation unit, the grape berries can be squeezed and stirred while the fermentation tank continues to rotate, and finally wine is added into the fermentation tank to ferment the fruit wine.

The utility model relates to mould technical field, concretely relates to a kind of production mould for silica gel safety helmet, including mould main body, dismounting cover, silica gel air bag, at least two cover plate placement cavities are passed through and established in the upper end surface of mould main body, cover plate placement cavity bottom is passed through and established with mould placement cavity one, the bottom of mould placement cavity one is passed through and established with mould placement cavity two, safety helmet mould is fixedly arranged in the inside of mould placement cavity two, at least two exhaust passages are passed through and arranged in the bottom of cover plate placement cavity, exhaust passage both ends extend to the outside of mould main body, the utility model is passed through and arranged at least two exhaust passages in the bottom of cover plate placement cavity, in combination with the gap of safety helmet mould annular convex edge and mould placement cavity one edge, provide smooth flow channel for the gas generated in processing, ensure that gas is completely discharged, reduce bubble defect, improve product structure strength.

A syringe for laboratory use and its method of use include a syringe body, a piston disposed within the syringe body, a push-pull rod disposed at one end of the piston, a front plate disposed at one end of the syringe body, and a rear plate disposed at the other end of the syringe body. A perforation is formed in the rear plate, through which one end of the push-pull rod passes. A short outlet tube and a feed inlet are disposed in the front plate. The short outlet tube is located on the vertical center line of the front plate, with its inner edge close to the inner edge of the syringe body. A plug is disposed in the feed inlet. A cleaning port is formed in the rear plate. The syringe is placed horizontally with the short outlet tube positioned above the front plate to expel excess air from the liquid within the syringe body, leaving a small amount of air inside. The syringe is then rotated 180° axially so that the short outlet tube is positioned below the front plate. The syringe is connected to an injection pump. The length of the liquid column within the syringe body is read from a length scale. This value and the injection time are input into the injection pump, and the injection begins.

The invention belongs to the technical field of hydrogen chloride recovery, and particularly relates to an automatic recovery device for residual liquid in a steel cylinder. The clamping mechanism is arranged on the fixing frame and is used for fixing the inverted steel cylinder; the recycling machine hook is arranged on the fixing frame, is connected with the inverted steel cylinder and is used for recycling residual liquid in the steel cylinder; wherein the recycling mechanism comprises a fixing sleeve connected with the steel cylinder, a recycling pipe arranged at the bottom of the fixing sleeve and communicated with the interior of the fixing sleeve, and a pressurizing and liquid discharging mechanism. The steel cylinder has the beneficial effects that the pressure of residual liquid in the steel cylinder can be effectively increased through the arranged pressurizing and liquid discharging mechanism, the residual liquid is forced to be discharged from the steel cylinder more thoroughly, and compared with a traditional method, the recovery rate and the discharging efficiency of the residual liquid are greatly improved.

The utility model relates to the technical field of rubber processing equipment, in particular to rubber sealing ring material accurate proportioning and mixing equipment which comprises a support frame, a mixing barrel, a storage barrel, a mixing device, a batching device, a discharging device, a conveying device and an opening and closing device, the mixing barrel is rotatably mounted in the support frame, the mixing device is mounted in the mixing barrel, and the discharging device is mounted in the storage barrel. The discharging device is installed on the side wall of the supporting frame, materials in the material storage barrel are conveyed into the feeding hopper, the weight of the raw materials in the feeding hopper is monitored in real time through the weighing sensor, when a set value is reached, feeding is stopped, the weighing sensor monitors the weight of each raw material in real time, and the discharging device is used for discharging the raw materials. Required raw materials are proportioned in the feeding hopper in an accumulative weighing mode, the consistency of product quality is remarkably improved, after proportioning is completed, the electromagnetic valve on the discharging pipe is opened, meanwhile, the sealing plate is opened through the opening and closing device, and the materials in the feeding hopper enter the feeding frame below through the discharging pipe.

An ignition bubble and furnace tube device, the ignition bubble comprising: a transition cavity, the transition cavity having opposite first and second ends, the inner diameter of the transition cavity gradually decreasing from the first end to the second end; wherein the second end of the transition cavity is used to connect the jet pipe of the furnace tube device, and the cavity inner wall of the second end of the transition cavity is smoothly connected with the pipe inner wall of the jet pipe; the transition cavity is configured to guide the airflow to flow from the first end to the second end and into the jet pipe. The application can reduce the retention and accumulation of water vapor in the ignition bubble to achieve rapid and complete discharge, solve the problem of spherical particle defects on the wafer surface, and improve the stability of the wet oxygen oxidation process and the quality of the wafer product.

The present invention relates to the technical field of concrete preparation, and specifically to a concrete preparation device for gob-side tunnel retention and a method of using the same. The present invention comprises a base, a mixing drum is rotatably mounted on the top of the base, and a spiral plate and a scraper for stirring are arranged inside the mixing drum. The present invention sprays water flow by atomization through a first nozzle, which can, on the one hand, reduce dust on the gravel ash caused by friction between the gravels in the filter box, and on the other hand, can also wet and scrub the gravels. Secondly, after the atomized water flow drips onto the inclined plate and is collected, it can also flush the muddy water mixed with gravel ash into the discharge pipe along the guide groove, and then the water flow passes through the discharge pipe and falls into the collecting tank, which can prevent the gravel ash from spreading.

The utility model discloses a cement mortar stirrer which comprises a U-shaped base and a stirring barrel, the two sides of the stirring barrel are connected with the inner walls of the two sides of the U-shaped base through overturning shafts, and one end of one overturning shaft penetrates through one side of the U-shaped base to be connected with the output end of a first motor. The two sides of the top of the U-shaped base are connected with the two sides of the bottom of the mounting box through lifting mechanisms correspondingly, a transmission assembly is arranged in an inner cavity of the mounting box, the top end of the transmission assembly penetrates through the top of the mounting box to be connected with a second motor, and the transmission assembly penetrating through the bottom of the mounting box is fixedly connected with a can cover. Cement mortar needing to be stirred can be conveyed to the top from the bottom of the stirring barrel and scraped off the inner wall of the stirring barrel through the spiral auger in the rotary stirring process of the stirring assembly, so that the cement mortar is stirred and mixed more uniformly, the stirring speed and the stirring effect are greatly improved, and the working efficiency is improved; and after use and closing, cleaning is more convenient, the structural design is ingenious, and practicability is high.

This utility model discloses an automatic feeding device for tea processing, relating to the field of tea storage and feeding. It includes a tea drying box with a feeding plate inside. The feeding plate is a thin metal plate, with its high end connected to the inner side wall of the drying box and its low end connected to the inner bottom wall. A vibration mechanism is located below the feeding plate to vibrate it. A feeding port, shaped like a frustum, is located at the bottom of the drying box. The larger end of the port is formed between the low end of the feeding plate and the side wall of the drying box, while the smaller end is connected to a feeding pipe. The feeding plate guides the tea leaves into the feeding port, and the feeding pipe discharges the tea leaves, ensuring thorough discharge. Furthermore, the vibration mechanism vibrates the feeding plate, accelerating the movement of the tea leaves and improving discharge efficiency, while also preventing clogging.

The utility model discloses an immersed battery liquid cooling box, which belongs to the technical field of battery cooling and comprises a battery pack box body, and at least one layer of battery pack is placed in the battery pack box body. The battery pack comprises a plurality of hollow flow guide plates attached to the batteries, each hollow flow guide plate comprises two hollow-out plates arranged in parallel, and a connecting plate is connected between the two hollow-out plates; a liquid inlet pipe is arranged at the top of the battery pack box body, a funnel type confluence structure is arranged at the bottom of the battery pack box body, and a liquid outlet of the funnel type confluence structure is connected with a liquid outlet pipe. According to the utility model, the liquid is uniformly distributed and shunted through the drainage plate and the hollow flow guide plate, and the cooling liquid can enter the hollow flow guide plate at the gap position of the battery and is in contact with the binding surface of the battery through the through hole of the hollow plate, so that the cooling liquid can be more thoroughly in contact with the battery, and the heat dissipation effect of the cooling liquid on the battery is improved; liquid at the bottom can be well gathered to the liquid outlet through the funnel type confluence structure, it is ensured that the liquid can be discharged more quickly and comprehensively, the liquidity of cooling liquid formed in the structural aspect is good, and flowing does not need to be promoted through external force.

This utility model discloses a deep well centrifugal pump venting efficiency enhancement device, relating to the field of deep well centrifugal pump technology. It includes a pipe connector, a first galvanized pipe assembly, a second galvanized pipe assembly, a purification tank, and an electromagnetic control valve. The first galvanized pipe assembly is detachably connected to the pipe connector, and the electromagnetic control valve is installed on the second galvanized pipe assembly. The electromagnetic control valve is connected in series with the vent valve of the bottomless venting device of the deep well centrifugal pump. This utility model involves installing a pipe connector in a threaded hole at the top of the water inlet of the deep well centrifugal pump, then installing the first and second galvanized pipe assemblies at one end of the pipe connector, and installing the electromagnetic control valve on the second galvanized pipe assembly, which is connected in series with the vent valve of the bottomless venting device of the deep well centrifugal pump. When the vent valve of the bottomless venting device is opened, the electromagnetic control valve opens simultaneously, achieving complete venting of air from the pump under the pressure of the filling water.

The invention relates to the technical field of furfural separation, in particular to furfural gas-residue efficient separation equipment which comprises a feeding hopper installed on the top of a box body and partition baffles fixed to the two sides of the interior of the box body, and an obliquely-arranged discharging plate is arranged between the bottoms of the two partition baffles. The inner side of the box body is provided with an extrusion separation mechanism for separating gas impurities attached to the furfural residues when the furfural residues are extruded, the extrusion separation mechanism comprises movable pressing plates arranged at the two ends of the separation bin in a sliding mode respectively and sealing baffles arranged at the bottoms of the two movable pressing plates respectively, and the rotating angle range of the sealing baffles is 45-75 degrees; the two movable pressing plates, the two sealing baffles and the two partition baffles define a separation bin. According to the invention, the condition that the existing separation equipment cannot thoroughly separate the gas accumulated and attached to the porous structure slag material is avoided, the separation effect of the furfural gas slag is enhanced, the separation efficiency of the separation equipment is also improved, and the process of efficiently separating the furfural gas slag is realized.

The invention discloses a multi-tube fixed bed reactor which comprises a main outer shell and a temperature measuring opening formed in the left side of the main outer shell. An upper cover body and a lower cover body are connected to the upper portion and the lower portion of the main outer shell correspondingly. A lower fixing disc and an upper fixing disc are attached to the interior of the main outer shell in a sliding connection mode, and the upper portion of the lower fixing disc is connected with the upper fixing disc through a circle of connecting rods; the outer side of the lower portion of the catalyst containing pipe and the lower fixing disc form a detachable installation structure through a clamping assembly. A flow guide frame and a material flow dividing disc are installed in the upper cover body from top to bottom through a support, and a temperature control pipe is rotationally installed in the middle of the flow guide frame and the material flow dividing disc in a penetrating mode. According to the multi-tube fixed bed reactor, a catalyst in the catalyst placing tube can be pushed out through cooperation of the upper baffle and the lower baffle, so that the catalyst in the catalyst placing tube can be conveniently replaced, and the operation is convenient.

The utility model belongs to the technical field of storage containers, and specifically relates to a container for collecting and storing uranium hexafluoride, which comprises a cylinder body. Both ends of the cylinder body are fixedly provided with end heads. The cylinder body and the two end heads together form a sealed cavity. A skirt support is fixedly installed on the outer wall of the end head. A first valve for injecting uranium hexafluoride is installed on the upper part of one end head, and a plug for sewage discharge is arranged at the lower part of the other end head. A condensation partition plate is arranged on the inner wall of the cylinder body. The condensation partition plate is arranged on the inner wall of the cylinder body, which can increase the condensation contact area between gaseous uranium hexafluoride and the cylinder body, enabling the gaseous uranium hexafluoride in each part of the cylinder body to be condensed and collected, thus improving the collection efficiency of uranium hexafluoride.