514results about How to "Prevent spillage" patented technology

The invention discloses a clean production process of a blended fertilizer, which comprises the following steps: preparing and selecting raw materials; performing primary granulation on different raw materials to obtain uniform granular raw materials; performing closed ventilation storage on the granular raw materials; proportioning and metering the granular raw materials; mixing and stirring; finally, packaging is carried out, 4-5 mm particles obtained after the raw materials are subjected to extrusion forming through a pair of rollers and subjected to primary granulation are consistent in appearance state, air in the raw materials is removed through extrusion, gaps are compressed, the density and specific gravity of the formed particles tend to be uniform, and the product quality is improved. Blending layering caused by particle size, density difference and different adsorption capacities cannot occur when the raw materials are blended, the blended compound fertilizer meets the international general blending fertilizer proportioning principle, the completely-homogenized blending fertilizer quality requirement can be met, the processing cost is saved, the production efficiency is improved, and the production cost is reduced. And the problem of caking of the raw materials is effectively solved.

The invention belongs to the technical field of wastewater filtering treatment, and particularly discloses a high-adsorbability activated carbon adsorption device which comprises a self-adaptive stored power release mechanism, an energy storage impact mechanism, an induction type automatic valve clack mechanism and a main body filtering assembly, the self-adaptive stored power release mechanism is arranged on the energy storage impact mechanism, and the induction type automatic valve clack mechanism is arranged on the main body filtering assembly. The energy storage impact mechanism is arranged on the main body filter assembly, and the induction type automatic valve clack mechanism is arranged in the main body filter assembly. On the basis of traditional activated carbon adsorption, the split nut is designed, sliding control over the impact sliding plate is achieved by controlling opening and closing of the split nut, and elastic potential energy can be accumulated for the impact spring through slow sliding of the impact sliding plate; and after the elastic potential energy is released, the sliding plate is impacted to push water flow to reversely flow at a relatively high speed, so that the filter element is reversely washed and cleaned.

The invention discloses an air drying system for seasoning packaging containers, comprising a conveying mechanism which is horizontally supported by a bracket; the automatic stacking mechanism is arranged above the feeding end of the conveying mechanism and is used for uniformly stacking the packaging containers on the conveying mechanism for conveying; the air shower mechanism is arranged at the bottom of the conveying mechanism and inputs positive pressure air to the conveying surface of the conveying mechanism; the conveying face of the conveying mechanism keeps ventilated, and the automatic stacking mechanism buckles the open ends of the packaging containers to the conveying face of the conveying mechanism. The air-drying system can be used for rapidly air-drying the cleaned packaging containers, the packaging containers can be automatically stacked through the automatic stacking mechanism arranged at the front end of the conveying mechanism according to the width of the conveying mechanism, and then the opening ends of the packaging containers are buckled to the conveying face of the conveying mechanism, so that drainage is facilitated; and the air shower mechanism is combined, so that the packaging container can be conveniently air-dried, and the packaging container can be conveniently filled with materials after being sterilized subsequently.

The invention relates to a detection device capable of correcting hematocrit and a measurement method thereof. The detection device comprises a dry chemical test paper clamping shell upper cover, hematocrit detection test paper, dry chemical test paper and a dry chemical test paper clamping shell lower cover, the hematocrit detection test paper comprises a double faced adhesive tape, a hydrophilic film, a double faced adhesive tape, a hematocrit detection electrode and a double faced adhesive tape from top to bottom; the dry chemical test paper clamping shell upper cover comprises a sample adding hole; and the lower cover of the dry chemical test paper clamping shell comprises a detection hole. According to the invention, the test paper for detecting the hematocrit by the impedance method is adhered to the upper cover of the card shell of the dry chemical test paper and is attached to the dry chemical test paper, so that the dry chemical test paper detection and the hematocrit detection can be realized, and the dry chemical test paper detection result is corrected according to the hematocrit detection result. And a specific detection and correction method is adopted, so that the influence of hematocrit on a detection result is reduced to the greatest extent.

The invention provides an edge sealing strip jet printing machine which comprises a support and a jet printing machine body, the support is provided with a conveying assembly, the conveying assembly comprises a first motor and a rotating roller, the support is provided with a protection assembly, the protection assembly comprises a box body and a gate plate, the support is provided with a stopping assembly, the stopping assembly comprises a pressing sleeve and a stopping roller, and the pressing sleeve and the stopping roller are arranged on the support. According to the edge sealing strip jet printing machine, an electric heating lamp and a fan can heat an edge sealing strip on the two sides of a blocking roller at first, then the edge sealing strip is cooled, the edge sealing strip is completely straightened in cooperation with the pulling force of the pulling roller, and therefore the edge sealing strip is completely straightened; the edge sealing strip spray printing device is simple in structure and convenient to use, unevenness such as wrinkles and curved surfaces on the edge sealing strip is eliminated, the edge sealing strip is effectively guaranteed to be completely flat, the quality of spray printing processing of the edge sealing strip is effectively guaranteed, ink volatile matter is prevented from drifting away, environment safety is guaranteed, and the edge sealing strip spray printing device is suitable for spray printing processing of the edge sealing strip.

The present invention discloses a sealing device of a rotary kiln and a rotary kiln, the sealing device comprises a moving ring and a stationary ring arranged between a cylinder and a kiln cover, the two are in contact with each other and rotate relatively to form a spherical-conical end face sealing pair, the moving ring is fixed on the cylinder on the side away from the stationary ring, the stationary ring is elastically and sealedly connected to the kiln cover through a compensator, and the stationary ring is connected to an axial force component on the circular ring end face close to the kiln cover. The rotary kiln comprises the above-mentioned sealing device. The sealing device of the present invention, under the joint action of the moving ring, the stationary ring, the compensator, the rotating pair, the sliding pair and the axial force component, can realize the continuous and effective sealing of the cylinder and the kiln cover of the rotary kiln, has the advantages of simple structure, convenient use, good adaptability, high reliability, good sealing effect, long service life, etc., can be widely used in equipment such as rotary kilns, and has important promoting significance for effectively improving the sealing effect of rotary kilns and promoting the widespread use of rotary kilns.

The utility model belongs to the technical field of battery production, and particularly relates to battery production electric welding equipment which comprises a dust collecting box, a connecting pipe installed on the top side of the dust collecting box, a spray head installed on the outer wall of the connecting pipe, a conveying pipe connected to one side of the connecting pipe, a piston installed in the conveying pipe in a sliding mode, and a connecting rod fixedly connected to the bottom side of the piston. One end of the top side of the connecting pipe is connected with a water inlet pipe, the bottom end of the connecting rod is provided with a connecting plate, one side of the dust collecting box is provided with a telescopic rod, and during dust falling treatment, the telescopic rod is controlled to do telescopic motion and drives the connecting plate to move, and then the connecting rod drives the piston to slide up and down in the conveying pipe; when the piston slides downwards, water in the conveying pipe is pushed into the connecting pipe, then dust is sprayed out of the spray head, and when the piston slides downwards, the water enters the conveying pipe through the water inlet pipe, so that flying of smoke dust during welding is effectively reduced, the concentration of the smoke dust is reduced, and pollution to the production environment is reduced.

The invention relates to a mining negative-pressure energy-consumption-free automatic water drainage device, and belongs to the technical field of gas safety devices.The water drainage device comprises a water storage tank, a gas inlet pipe, a gas outlet pipe and an automatic switch, and the automatic switch comprises a center lead screw, a ventilation switch, a water drainage switch, a negative-pressure blocker, a lifter, a floating ball and a balancing weight. When accumulated water in the water storage tank is increased, buoyancy drives the central lead screw to move upwards through the floating ball, the water discharge switch and the ventilation switch are gradually turned on, the accumulated water is discharged through the water discharge port, meanwhile, the lifter pushes the negative pressure blocker through the connecting rod to seal the air outlet pipe, and negative pressure is kept in the tank. Along with descending of the liquid level, the balancing weight drives the center lead screw to descend, the water drainage switch and the ventilation switch are gradually closed, meanwhile, the gas outlet pipe is opened, an extraction system can normally operate, the structure is simple, pure mechanical automatic water drainage is achieved, and all the switches act synchronously and are coordinated and consistent.

The invention relates to the technical field of pressure leakage stoppage of pressure-bearing equipment, and particularly provides a pressure leakage stoppage clamp for a pressure-bearing equipment flange and a preparation method of the pressure leakage stoppage clamp, and the pressure leakage stoppage clamp comprises a first clamp and a second clamp which are detachably connected to a flange plate gap and a cylindrical surface and are of an integrally-formed elastic deformation structure; each of the first fixture and the second fixture comprises a fixture body, a fixture boss and a fixture bevel edge, and when the first fixture and the second fixture are mounted and fastened on the flange, the fixture bevel edges are stressed to elastically expand and deform, form circumferential interference contact with the cylindrical surface and generate axial component force to act on the side surface of the flange; the boss is tightly attached to the surface of the flange plate gap in the direction of the flange plate gap through the generated counter-acting force, and the boss of the clamp and the side surface of the flange plate gap are in installation interference fit, so that the flange plate gap is sealed, and a sealed cavity is formed; and then glue is injected to realize pressure sealing of the flange of the pressure-bearing equipment.

The invention discloses a concrete detection method for highway construction, and belongs to the field of concrete detection. According to the concrete detection method for highway construction, a detection table is included, guide rods are fixedly connected to the periphery of the top of the detection table, a top plate is fixedly connected to the tops of the guide rods, a hydraulic cylinder is fixedly connected to the top of the top plate, and a pressing plate is fixedly connected to the bottom of the telescopic end of the hydraulic cylinder; a shielding part for preventing a concrete test block from being broken and splashed is arranged on the pressure applying plate, and the top of the detection table is rotationally connected with a pressed plate; according to the concrete crushing device disclosed by the invention, concrete fragments are thrown into the crushing groove through the rotation of the pressed plate, so that the concrete fragments are cleaned, the detection work of a next concrete test block can be continued, and the detection efficiency is effectively improved; and meanwhile, through rotation of the two sets of smashing rollers, concrete fragments sliding into the smashing groove are smashed and converted into small aggregate, follow-up transportation and reutilization are facilitated, and the energy-saving effect is improved.

The invention relates to the technical field of motor vehicle non-tail-gas particulate matter emission testing, in particular to a brake abrasion particulate matter collecting device and method.The brake abrasion particulate matter collecting device comprises a brake assembly, a collecting assembly and a controller, a collecting groove is formed in the braking end of the brake assembly, a collecting channel is formed in brake calipers, and the collecting channel communicates with the collecting groove; the collecting assembly comprises a fan and a particulate matter collector, one end of the particulate matter collector is connected to the air outlet end of the fan, the other end of the particulate matter collector communicates with the collecting channel through a pipeline, and a heating piece is arranged in the particulate matter collector; and the controller is electrically connected with the fan and the heating piece. When an automobile brakes, particles generated by abrasion of a brake pad enter the particle collector through the collecting groove, the collecting channel and the pipeline under the counterclockwise driving of a brake disc and the influence of gravity, so that the particles are gathered and collected as much as possible, and when the particles in the particle collector are accumulated to a certain degree, the controller controls the heating piece to heat, so that the particles are collected. And the particles are combusted and are prevented from overflowing.

The utility model discloses temporary drainage equipment for building construction, which comprises a water passing tank, a plurality of groups of water filter screen frames, a water inlet groove and a water outlet pipe, wherein the water filter screen frames are mounted in the water passing tank and are sequentially distributed in a staggered manner; and the plurality of groups of water filter screen frames are sequentially distributed in the water passing tank in a staggered manner to form an S-shaped water flow channel. One end of the water filter screen frame is connected with the side wall of the water passing tank through a filter screen installation assembly, and the filter screen installation assembly comprises a limiting supporting piece fixed to the side wall of the water passing tank, a clamping piece connected with the limiting supporting piece in a concave-convex mode and a hinge piece connecting the clamping piece with one end of the water filter screen frame. According to the utility model, the water filter screen frames are arranged in the water passing tank to form the S-shaped water flow channel, and the S-shaped water flow channel is intercepted by each group of water filter screen frames step by step, so that granular soil, gravels and other wastes can be separated from water, meanwhile, the rapid flowing of water is not influenced, and even if part of the water filter screen frames are blocked, the drainage is not influenced at all.

The utility model discloses a polishing device for an automobile steering gear yoke forge piece, which relates to the technical field of polishing devices and comprises a box body, clamping components are arranged on the left side and the right side of the upper surface of the box body, a medium barrel is arranged between the upper surface of the box body and the two clamping components, a polishing barrel is arranged in the medium barrel, and a partition plate is fixedly connected to the middle of the interior of the box body. A first motor is fixedly installed on the bottom face in the box body, the output end of the first motor penetrates through the bottom face of the partition plate and is fixedly connected with a rotating disc, at least four magnets are fixedly connected to the top face of the rotating disc, a cover closing assembly is arranged on the rear side of the upper surface of the box body, and a cooling fan is fixedly installed on the rear side wall of the box body. A plurality of heat dissipation grooves are formed in the left and right side walls of the box body. The polishing device has the advantages that the cover closing assembly enables the barrel cover to seal the polishing barrel, the polishing safety is improved, the clamping assembly clamps the medium barrel, the stability of the polishing barrel can be kept, and the continuity and consistency of polishing operation are ensured.

The utility model discloses a blanking structure for a cement paste mixer. The blanking structure comprises a cover cap, an L-shaped conveying pipe and an L-shaped water outlet pipe, according to the discharging structure for the cement paste stirrer, the top of a stirring pot of a cement paste stirrer body is buckled with a cover cap matched with the stirring pot, mounting tables are symmetrically and fixedly connected to stand columns on the rear side of the cement paste stirrer body, a cement storage bin and a water liquid storage bin are arranged on the mounting tables correspondingly, and an L-shaped water outlet pipe is fixedly connected to the bottom of the water liquid storage bin; the bottom of the cement storage bin is fixedly connected with an L-shaped conveying pipe, the cement storage bin and the water storage bin are blocked through the bin cover, the cement storage bin and the water storage bin are connected with the cover through cooperation of an L-shaped water outlet pipe and the L-shaped conveying pipe and a connecting pipe, so that closed feeding is conducted, and the cover covers the top of a stirring pot of the cement paste stirring machine body. Therefore, the problem of powder overflow in the stirring and feeding process is effectively avoided, and the situation that dust pollutes air in the feeding and stirring process is avoided.

The utility model discloses concrete powder dedusting and stirring equipment which comprises a stirring tank and a conveying pipe, a feeding port is formed in the top end of the stirring tank, a plugging mechanism matched with the conveying pipe is arranged on the feeding port, a stirring mechanism is arranged in the stirring tank, and the stirring mechanism is connected with the inner wall of the stirring tank through a guide mechanism. A discharge pipe is arranged at the bottom end of the side wall of the stirring tank, and supporting legs are equidistantly arranged at the bottom end of the stirring tank. The feeding device has the beneficial effects that when the conveying pipe moves downwards for conveying, the feeding port can be conveniently opened, conveying and discharging can not be affected, meanwhile, the feeding port can be blocked in cooperation with a rubber pad, dust overflowing is avoided, the feeding port can be automatically blocked after conveying is completed, dust can be effectively prevented from escaping and overflowing from the feeding port in the subsequent stirring process, and the feeding efficiency is improved. Therefore, no extra dust removal equipment is needed, the cost of the equipment is reduced, and meanwhile regular cleaning or replacement operation is not needed.

The invention discloses an intelligent slub yarn parameter acquisition device, and relates to the technical field of slub yarn detection. The device comprises a device body, supporting legs are arranged at the corners of the bottom of the device body, an intelligent collector is arranged on the front face of the device body, an L-shaped frame is arranged on the back of the device body, a take-up roller is arranged in the L-shaped frame, a main shaft roller is arranged on the left side of the bottom of the inner wall of the device body, and two auxiliary wire rollers are symmetrically arranged at the bottom of the inner wall of the device body; a driving assembly is arranged at the bottom in the device body. According to the invention, the distance between the acquisition assembly and the slub yarn can be continuously changed, the appearance and detail drawings of the slub yarn at different distances are acquired by the acquisition assembly, and the acquired data are intelligently analyzed by the intelligent acquisition device, so that the acquired sample contains detailed data such as details and overall appearance, and the detection accuracy is improved. The reduction of the detection and analysis accuracy of the whole parameters of the slub yarn is avoided.

The utility model discloses an alumina powder conveying device which comprises a conveying frame, the top end of the conveying frame is fixedly connected with a stock bin, the inner side of the bottom end of the conveying frame is fixedly connected with a sliding frame, the conveying frame is provided with a transfer frame at the position of the sliding frame, the bottom end of the stock bin is connected with a penetrating pipe in an inserted mode, and the bottom end of the penetrating pipe is slidably connected with a movable pipe. An inlet pipe is inserted into the top end of the transfer frame, a flow limiting mechanism is arranged on the inner side of the movable pipe, an ejector rod is fixedly connected to the inner side of the inlet pipe through a small rod, the flow limiting mechanism comprises a connecting frame fixedly connected to the inner wall of the movable pipe, a baffle is slidably connected to the bottom end of the connecting frame, and a first elastic part is arranged between the baffle and the connecting frame; the flow limiting mechanism further comprises a blocking frame fixedly connected to the inner wall of the movable pipe, the top face of the blocking frame is designed to be inclined, a sealing gasket is bonded to the top face of the blocking frame, and through cooperation of the structure, it can be guaranteed that the situation that the aluminum oxide powder overflows in the falling process can not happen, and therefore waste of the aluminum oxide powder is avoided.

The utility model relates to the technical field of automobile rubber dust cover machining, in particular to automobile rubber dust cover cutting equipment which comprises a dust cover fixing mechanism and a dust cover cutting mechanism which are arranged on a workbench, the dust cover cutting mechanism comprises two outer sleeves which are symmetrically connected to the workbench in a sliding mode, and inner cavities of the outer sleeves are connected with inner sleeves in a sliding mode. The side wall of the inner sleeve is rotatably connected with a cutting knife, the side wall of the outer sleeve is provided with a collecting assembly for collecting waste materials, the collecting assembly comprises a fixing frame fixed to the side wall of the outer sleeve, the side wall of the fixing frame is slidably connected with a push plate, and the side wall of the workbench is fixedly provided with a material collecting frame. After the cutting work is completed, the push plate is conveniently driven to synchronously slide through reciprocating sliding of the nut through rotation of the lead screw, waste materials are conveniently conveyed into the material collecting drawer in the material collecting frame through the through opening in the second blocking frame through sliding of the push plate, then workers do not need to carry out secondary treatment on the cut waste materials, and use is convenient.

The utility model relates to the technical field of solid waste recycling, and aims to solve the problems that in the prior art, the cost for recycling retired wind power blades through a fixed treatment line is high, performance mismatching exists when wind power blade cutting materials are coarsely crushed through a wind power blade moving treatment system, and the requirement for follow-up crushing equipment is high. The modularized wind power blade on-site crushing system comprises a first crushing module and a second crushing module which can be used independently or jointly. Modular design is adopted, the two crushing modules can be flexibly selected to be used in a combined mode or independently, various feeding requirements are met, the whole-structure crushing performance of the wind power blade is guaranteed, the overall operation energy consumption of blade crushing is reduced, and high efficiency and energy conservation are achieved.

The utility model relates to the technical field of house repairing, in particular to a waterproof layer structure for repairing an old house, which comprises a base surface layer and a concrete mortar layer, and a waterproof layer is arranged between the base surface layer and the concrete mortar layer. The waterproof layer comprises a cement-based permeable crystallization self-healing coating layer, an asphalt waterproof coating layer is arranged on the cement-based permeable crystallization self-healing coating layer, and a gridding cloth layer is arranged on the asphalt waterproof coating layer. The utility model has the characteristics that the structure is simpler and more reasonable, blistering and peeling can be better avoided, the waterproof effect can be improved, and moisture overflow can be avoided.

The invention belongs to the technical field of waste gas treatment, particularly relates to a waste gas treatment device and method, and aims at solving the problems that a waste gas treatment device needs to be closed in the existing adsorbent replacement process, the purification efficiency of waste gas is influenced, and harmful gas remained in the waste gas treatment device causes environmental pollution and causes environmental pollution. According to the technical scheme, the device comprises a bottom frame, a rotating table is rotationally connected to the top of the bottom frame, a purification box is fixed to the top end of the rotating table through bolts, two purification bins are formed in the purification box through a partition plate, and adsorption frames are slidably connected to the interiors of the two purification bins. According to the waste gas treatment device, waste gas treatment can be carried out continuously when an adsorbent is replaced, the space, where the adsorbent to be replaced is located, in the purification bin can be closed when the purification box rotates, residual waste gas in the purification bin is prevented from overflowing to the outside, and in addition, during follow-up continuous waste gas treatment, waste gas in the corresponding purification bin can be recycled and treated again.

A grinding and polishing device for machining a crankshaft of a diesel engine relates to the technical field of crankshaft part grinding and polishing and comprises a polishing and grinding workbench, the polishing and grinding workbench is a horizontally-arranged square table, and a swing positioning assembly, a sliding clamping assembly, a rolling rough grinding assembly and a rotating fine polishing assembly are arranged on the polishing and grinding workbench. The problems that when a grinding wheel grinding machine in the prior art is used for grinding and polishing the surface of a crankshaft, the grinding and polishing mode is single, the finish machining effect is influenced, grinding and polishing clamping and positioning are inconvenient, the machining efficiency is influenced, and self-adaptive grinding and polishing adjustment on different machining parts cannot be achieved are solved.

The invention relates to the field of grain storage, in particular to a grain in-warehouse and out-warehouse system and a grain in-warehouse and out-warehouse method, the grain in-warehouse and out-warehouse system has multiple functions such as grain unloading, warehousing and flattening, is compact in structure and high in integration degree, and meets multiple application scenes such as grain in-warehouse and out-warehouse of a horizontal warehouse; sufficient grain unloading of grain transporting vehicles of various specifications is met, and the device is suitable for horizontal warehouses of various widths and windows of various heights; the control device can achieve automatic control and unmanned operation, the operation safety is guaranteed through remote operation and maintenance, and the operation efficiency is improved; pneumatic conveying is adopted, and the grain breakage rate is low; pollution of dust overflow to the granary is reduced; according to the grain warehouse-in and warehouse-out method, the environment sensing unit, the first dynamic sensing unit and the second dynamic sensing unit are used for providing control signals for the grain warehouse-in and warehouse-out system, automatic control over the grain warehouse-in and warehouse-out system is achieved, manpower consumption is reduced, the grain warehouse-in and warehouse-out efficiency is improved, the grain carrying difficulty is reduced, and the equipment control number is reduced; and the safety of operators is ensured.

The invention discloses a decentralized discharge source sewage collection-A2O treatment linkage system and a treatment method. The linkage system comprises a sewage pretreatment and pipe network collection system, an A2O treatment system and a discharge system. By adopting a negative pressure collection technology, the sewage collection problem caused by complex terrain in a sewage collection range is solved, and the sewage collection efficiency is improved; the gas stripping technology, the Venturi technology and the siphon technology are creatively applied to the sewage process, and sewage collection and sewage lifting, muddy water backflow and oxygenation in the A2O process can be achieved only through one self-priming pump; the Venturi jet device directly performs jet aeration on the aerobic tower, so that the dependence on a high-energy-consumption mechanical aeration fan is reduced, and resource waste and material loss are avoided; meanwhile, distribution of water flow and dissolved oxygen in the reaction tank is optimized, natural circulation is formed through the density difference between the aerobic tower and the anoxic tower, additional power is not needed, the energy consumption is reduced, meanwhile, the nitrogen and phosphorus removal process is promoted, and the treatment efficiency is remarkably improved.

The atomized gas recovery device comprises a shell and a filter membrane in the shell, the shell comprises a rear shell and a front shell, and the atomized gas recovery device is characterized in that the front shell comprises a front shell cover and a suction component, a front shell positioning opening is formed in the front shell cover, a gas outlet and a rear shell mounting positioning opening are formed in the rear shell, the filter membrane is an annular piece, and the suction component is arranged in the annular piece. And the suction component penetrates through the front shell positioning opening, the filtering membrane and the rear shell mounting positioning opening. An expiration port and an expiration one-way valve are arranged in the middle of a tube body of the inhalation component, a mist inlet located in the shell and at one end of the tube body of the inhalation component is used for being connected with a mist outlet of an atomization device, and the portion, between the expiration port and the mist inlet, of the inhalation component is sleeved with the filter membrane, so that expired gas pushes away the expiration one-way valve after coming out of the expiration port, and the atomization device is used for atomization. And after being filtered by the filter membrane, the air overflows from the air outlet on the rear shell. A mist outlet of the atomization device is connected with a mist inlet of the suction component. And the structure design is reasonable, simple and compact, the aerosol transmission efficiency is high, recovery of exhaled gas is facilitated, and operation and use are convenient.

The utility model discloses a steel bar derusting device, which relates to the technical field of derusting, and comprises a derusting box, an inlet and an outlet which are arranged on the side surface of the derusting box, a nozzle which is arranged at the top end of the derusting box and is used for spraying derusting sand into the derusting box, and a grating plate which is arranged in the derusting box and is positioned between the inlet and the outlet, the dust collection mechanism is arranged on the side face of the rust removal box, and the traction mechanism drives the steel bars to enter the rust removal box from the inlet and then penetrate out of the rust removal box from the outlet. The dust collection mechanism is arranged on the rust removal box, rust removal sand sprayed by the nozzle is in the rust removal box, negative pressure is generated by the dust collection mechanism, dust is prevented from overflowing from the inlet and the outlet, and meanwhile the dust removal cloth bag can recycle the rust removal sand for reuse. A traction steel bar can enter the rust removal box from the inlet and penetrate out of the outlet after being subjected to rust removal, the process is convenient and rapid, and operation is easy.

The utility model discloses a PCR (Polymerase Chain Reaction) consumable for automatic nucleic acid detection, which comprises a storage box and a box cover, the storage box and the box cover are buckled through a lock catch, a partition plate is fixed in the storage box, a plurality of test tube grooves are formed in the partition plate, test tubes are inserted in the test tube grooves, a support plate is connected in the storage box in a sliding manner, and the support plate is positioned below the partition plate. The outer side of the periphery of the supporting plate is attached to the inner wall of the periphery of the storage box, a control assembly used for controlling the supporting plate to move up and down is arranged in the storage box, the supporting plate is used for ejecting the test tubes out of the test tube grooves when moving upwards, and a blocking assembly used for blocking the test tubes is arranged above the partition plate. When the test tube needs to be taken out, a rotating handle is rotated to drive a two-way screw rod to rotate, the two-way screw rod drives two threaded sleeves to be close to each other when rotating, so that a rotating rod is driven to rotate, a supporting plate is driven to move upwards when the rotating rod rotates, and the test tube is moved out of a test tube groove by a certain distance when the supporting plate moves upwards, so that the test tube is conveniently taken out.

The invention provides a battery monomer, a battery and a power utilization device, and belongs to the technical field of batteries. The battery monomer comprises a shell and a pole body, the shell defines a containing cavity, the pole body is arranged in the shell, a liquid injection channel used for communicating the containing cavity with the outside of the shell is formed in the pole body, and the liquid injection channel comprises a containing groove and a through hole penetrating through the groove wall of the containing groove. According to the single battery, the liquid injection channel capable of injecting the electrolyte into the accommodating cavity is formed in the pole body, so that the area of the pole body is increased under the condition that the size of the shell is not changed, the current passing efficiency of the single battery is improved, and the liquid injection channel is favorably processed and formed; and the structure and the processing of the shell can be simplified. Besides, as the liquid injection channel comprises the accommodating groove, the liquid injection channel has a relatively large buffer space and plays a role in buffering the electrolyte to a certain extent, and the problems of splashing, overflowing and the like of the electrolyte are favorably reduced when the single battery is used for liquid injection or working.

The saline-alkali soil improvement device comprises a base, a shell, an extrusion mechanism, an extrusion plate set and a moving part, a bearing groove is formed in the top face of the base, and a liquid outlet is formed in one side of the bearing groove; the shell is arranged on the portal frame, and the portal frame is arranged on the base; the extrusion mechanism is arranged in the shell and comprises a driving part and an output shaft group, and the driving part is connected with the output shaft group; the output shaft group comprises a first driving shaft and a second driving shaft which are arranged inside and outside, and a [-shaped frame is arranged on the second driving shaft; the extrusion plate group is arranged above the receiving groove and comprises a first plate body and a second plate body which are arranged up and down; the moving part is arranged on the base and detachably connected with the second plate body. Therefore, when the soil is extruded by the extrusion plate group, the first plate body and the second plate body can be controlled by the driving part to rotate oppositely, so that the uniform spreading of the soil is realized, and the purposes of reducing the cost and improving the extrusion separation efficiency are achieved.

The utility model relates to the technical field of ring main units, in particular to an electrical insulation protection device for a ring main unit, which not only performs double insulation protection and nitrogen and ceramic insulation protection on the ring main unit, but also treats dust and moisture in the ring main unit, thereby prolonging the service life of electrical and cable in the ring main unit. Comprising a cabinet body mechanism; the base mechanism is installed on the ground and isolates electrical conduction between the cabinet body mechanism and the ground, and the sealing mechanism is installed on the base mechanism and isolates nitrogen exchange between the outside and the inside of the cabinet body mechanism; the inflation mechanism is installed on the cabinet body mechanism and fills nitrogen into the cabinet body mechanism to achieve insulation, the air exhaust mechanism is installed on the cabinet body mechanism and exhausts the nitrogen in the cabinet body mechanism, and the filtering mechanism is installed on the cabinet body mechanism and filters and purifies the nitrogen exhausted by the air exhaust mechanism.