372results about How to "Easy to dump" patented technology

Hyper-concentrated liquid detergent comprises, in percentage by weight, 8-30% of anionic surfactant, 40-60% of nonionic surfactant, 5-15% of cosolvent, 0-10% of auxiliary, 0.005-1% of deflocculant, 0-0.5% of fluorescent brightener, 0-2% of detergent enzymes, 0-0.1% of preservative, 0.1-1% of essence, and the balance of water. The hyper-concentrated liquid detergent has the advantages of high solid content and high deterging effect.

The present invention is an electric car with a maximized solar panel assist. Since batteries are normally charged at night while solar energy is created during the day, this system creates an almost continuous flow of electricity to the batteries. Since the weight and cost of the batteries are the main handicap for electric cars and a continuous flow of electricity minimizes the need for a large and expensive battery system, this is the most logical way to build a viable electric car.

The invention relates to a sweeping and sucking type wet and dry road sweeper, belonging to the special-purpose vehicle technology field. The road sweeper comprises an automobile chassis. A main fan is arranged at the upper part of the beam in the middle of the chassis and a rotary sweeper brush is installed at the lower part. A blowback type suction nozzle is arranged at the back of the rotary sweeper brush. The upper part at the back of the chassis is provided with a dedusting and dust collecting device and a water tank. The water tank is connected with nozzle at the rotary sweeper brush. The dedusting and dust collecting device comprises a dustbin and a dust filtering chamber. One part of the dustbin is communicated with the suction nozzle through a dust pipe and the other part is connected with an air inlet of the centrifugal separator through a filter screen. The air outlet of the centrifugal separator is communicated with the inlet of the main fan. The dust outlet goes to the back door of the dustbin. The outlet of the main fan is communicated with the blowback mouth at the suction nozzle by the blowback pipe and is communicated with the air outlet and the dust filtering chamber. The upper part of the dust filtering chamber is communicated with the air by a filter barrel. The road sweeper can sweep in a dry way or a wet way, is not limited by the climatic condition, combines suction and sweeping, has high cleaning rate, simple structure and easy sanitary tipping.

The invention discloses a method for scanning a two-dimensional code to realize payment and recording consumption credit points and rebates in real time and belongs to the communication technical field and marketing field. The method includes the following steps that: associations between a consumption fund operation platform and allied commercial tenants are built; a user registers to become a member; a terminal with an APP scans a two-dimensional code to realize pre-payment; a two-dimensional code payment platform carries out information verification; the two-dimensional code payment platform submits fund transfer; a bank transfers a fund; the two-dimensional code payment platform transfers the fund; and the consumption fund operation platform transfers the fund. According to the method of the present invention, the mobile APP scans the two-dimensional code to complete consumption settlement, the allocation of consumption funds and rebated funds is realized through the consumption fund operation platform, and therefore, customers can get rid of inconveniences caused by carrying a variety of bank cards, membership cards and credit point cards; the consumption of all commercial tenants can be realized on the same platform; credit point accumulation can be realized on the same platform; credit points can be withdrawn, transferred and consumed conveniently; and the credit points can be used as old-age pensions, cashes or change.

The invention belongs to the technical field of preparation of insulators for the construction of asphalt pavement road rollers and relates to an insulator for the low-temperature construction of road rollers and a method for preparing the same. The insulator is mainly prepared by mixing silicone oil, compound emulsifier, glycerin, pH regulator, preserving agent and water. The insulator has the advantages of high chemical stability, high high-low temperature resistance, no corrosion to steel wheels, small amount of coating, lasting insulating effect, environment friendliness and the like. By using the insulator, the asphalt mixture pavement is guaranteed to be constructed at the ultralow temperature (15 DEG C below zero), so that the working season is greatly prolonged; and during normal-temperature construction, by using the insulator, the mixing temperature of the asphalt mixture is reduced to 15 to 20 DEG C under the condition of unchanging the compaction degree and the emitted greenhouse gases are reduced in the mixing process and the environment-friendly and energy saving requirements are met.

The invention relates to an anti-penetration performance testing device for a waterproof membrane, with a structure as follows: the waterproof membrane is arranged between a square groove with a raised edge at the top and a top cover; the square groove is filled with concrete blocks; the top cover is provided with a water inlet hole connected with a pressure stabilizing and liquid storing device; a water pressure gauge is arranged on a water pressure gauge mounting hole on the top cover; the bottom of the square groove is provided with a water outlet hole; and a water absorbing material is arranged between the water outlet hole and the concrete blocks. A pressurizing bolt of a hold-down plate on the top cover pressurizes the waterproof membrane; or the right side of the top of the square groove is fixedly provided with a bracket with a convex plate and a mobile hold-down strip with a screw rod, and a stretching nut on the screw rod realizes the stretching of the waterproof membrane; or the concrete blocks in the square groove are divided into a left concrete block and a right concrete block; and the height difference of the left concrete block and the right concrete block is utilized to apply shearing effect to the waterproof membrane. The device can more accurately test the anti-penetration performance of the waterproof membrane in an actual working environment, thereby providing correct scientific evidence for the wear performance of waterproof membranes of tunnel and underground projects and ensuring the long-term safe operation of the tunnel and underground projects.

The invention relates to a detecting device, in particular to a device for detecting the slump of concrete. The invention aims at providing the device with accurate measurement data for detecting the slump of the concrete. For solving the technical problem, the invention provides the device for detecting the slump of the concrete. The device comprises a side plate, a top plate, a left-right moving mechanism, a stirring mechanism, a rotating mechanism, a fixing mechanism, a measuring mechanism, a slump barrel, a first supporting rod, a second supporting rod, a collecting frame and a base plate, wherein the second supporting rod is rotationally connected with the top of the base plate; the collecting frame is arranged at the top of the base plate; the side plate is fixedly connected to one end part of the base plate in the vertical direction; a first through hole allowing the collecting frame to penetrate through is formed in the side plates; the first supporting rod is fixedly connected to the top of the base plate. According to the device disclosed by the invention, the effect of conveniently and accurately measuring the slump of the concrete is realized.

The invention relates to an environment-friendly recycling treatment system for waste plastic bottles. The environment-friendly recycling treatment system comprises a base plate, a cleaning and feeding device, a conveying device, a squeezing device, a crushing device and a storage device. The base plate is of an L-shaped structure. The cleaning and feeding device is located at the front side end of the base plate. The conveying device is located right on the rear portion of the cleaning and feeding device, and the conveying device and the cleaning and feeding device are located on the same straight line. The squeezing device is located at an outlet in the rear side of the conveying device. The crushing device and the conveying device are vertically arranged, and the crushing device is fixedly connected with the base plate. The storage device is installed at the left side of the crushing device. By means of the environment-friendly recycling treatment system, the waste plastic bottles can be cleaned, pushed, fed, conveyed, squeezed, crushed and stored, and the whole recycling treatment of the waste plastic bottles is realized; moreover, the treatment process is high in degree of mechanization, a large number of labor force is saved, and treatment efficiency is improved; and meanwhile, pollution to the environment by the waste plastic bottles is avoided, and the environment and ecology are protected.

The invention discloses a compressive trash can with an automatic uncovering function. The compressive trash can comprises a fixed seat and a barrel body, wherein the fixed seat is fixedly connected to the ground via expansion bolts; limiting grooves are formed in the side surface of the inner wall of the fixed seat; rollers are fixedly installed at the lower surface of the barrel body; limiting plates are fixedly connected to the side surface of the barrel body; the limiting plates are inserted into the limiting grooves; a barrel cover covers an upper side of the barrel body in a sleeving manner; and a compression device is fixedly connected to the inner wall of the barrel cover. A person treads a pressure control switch when throwing garbage, so an electric elevator is controlled by thepressure control switch to bring down a baffle plate, and the garbage can be thrown; when the person leaves, the pressure control switch losses pressure sensing and the electric elevating device drives the baffle plate to rise, so a through hole can be sealed and the trash can can be automatically closed and opened; bacteria spread due to hand contact with the garbage can be avoided; odor in the trash can can be prevented from spreading; and convenience is brought to daily use for people.

The invention relates to an information transmission system and an information transmission method for an automatic judgment process of a motor vehicle driver examination. The system comprises an embedded tablet PC (personal computer), a server and a display screen, wherein the embedded tablet PC is used for recording mixed stream data formed in an examination process; the server is used for monitoring the mixed stream data in real time, displaying the mixed stream data on the display screen, receiving a viewing instruction of a user, transmitting an uploading instruction to the embedded tablet PC according to the viewing instruction of the user in the examination process, receiving and storing the corresponding mixed stream data uploaded by the embedded tablet PC, and complementing the mixed stream data after the examination. According to the system and the method, data frames are stored and transmitted according to a unified timeline in a mixed way, so that the data can be conveniently transferred and replayed; meanwhile, the data is stored on the embedded tablet PC only when an examinee participates in the examination, and a data stream is uploaded in the server in real time only when the user views the data, so that the storage space is maximally saved, and network bandwidth occupation is maximally reduced.

The invention belongs to the technical field of building materials and specifically discloses binary system quick-drying thick-layer cement self-leveling mortar. The binary system quick-drying thick-layer cement self-leveling mortar is mainly composed of the following ingredients (by weight): 25-30% of ordinary Portland cement, 5-8% of sulfoaluminate cement, 1.5-3% of calcium oxide, 2-5% of fine sinking beads and 40-45% of dried river sand of 12-140 meshes, etc. According to the binary system quick-drying thick-layer cement self-leveling mortar, one-time construction thickness reaches 50 mm, existing ground artificial plaster can be directly replaced, construction speed is fast, construction period is greatly shortened, and flatness is high. After construction, the ground can be directly coated with floor paint, and wooden floorboards and PVC boards can be paved or large-sized flat bricks can be directly paved by the use of a glue for tiles by a thin-layer full adhesion method.

The invention discloses an antifreezing flushing solution for cleaning oil-based drilling fluid. The main agent is composed of a nonionic surfactant, an anionic surfactant and a freezing point lowering agent. The flushing solution for cleaning oil-based drilling fluid provided by the invention effectively solves the problem that a layer of drilling fluid and oil film adhered to a casing wall and well wall after use of oil-based drilling fluid by shale gas horizontal well drilling can result in poor cement sheath interface cementation performance, and can reach the purposes of effective oil film cleaning and interface wetting. In addition, the antifreezing flushing solution still has good fluidity under low temperature (like an environment temperature ranging from 0 to -15DEG C), thus facilitating on-site blending. The antifreezing flushing solution still can perform effective cleaning under low temperature (like an environment temperature ranging from 0 to -15DEG C), and can reach the purposes of effective oil film cleaning and interface wetting.

The refrigerator allotter comprises body forming inner space to maintain correct temperature and possessing storage water tank to provide water, door installed at the front of body to open or close inner space of body, water-feed section formed at the front of door and at the top setting one side of supply pipe connecting with water storage tank to make water in storage water tank flow out via supply pipe, and water collector that can be dismounted through bottom of supply section, adjust distance between supply pipe and bottoms of supply section and temporarily store water splashed out of cup. Dismounting water collector according to the size of cup and adjusting distance between cup and supply pipe can prevent water abnormally pouring into cup or splashing. Moreover, it's easer to pour water in water collector compared with existing structure and supply water.

The invention provides a data recording apparatus for a shunting locomotive and a realization method thereof. The data recording apparatus comprises an embedded microprocessor, a data communication interface, a storage device and a display control device. The data recording apparatus communicates with a microcomputer communication port of the shunting locomotive through the data communication interface. The storage device communicates with the embedded microprocessor through an output port of the data recording apparatus. The display control device and the embedded microprocessor directly and bidirectionally communicate with each other. The realization method includes the following steps: S1) locomotive running data including alarm and fault information is acquired; S2) the collected data and information are analyzed and estimated through use of a locomotive microcomputer; S3) locomotive microcomputer output data and information are recorded and displayed through use of the data recording apparatus; and S4) through use of the data recording apparatus, the recorded data and information are converted into format files and outputted and transferred. Compared with the prior art, the data recording apparatus has features of low cost, large amount of record data and long recording time.

The invention discloses a thawing device, which comprises a first heat pipe group and a second heat pipe group, wherein the first heat pipe group and the second heat pipe group comprise vertical parts; the tops of the vertical parts are provided with transverse parts in a bending mode; the transverse parts of the first heat pipe group and the second heat pipe group are fixed by a fixing device, and free ends of the transverse parts of the two heat pipe groups are opposite to each other; the fixing device comprises a fixing frame; the top and bottom of the fixing frame are respectively and fixedly provided with an upper heat transfer storage rack plate and a lower heat transfer storage rack plate; the transverse parts of the first and second heat pipe groups are positioned between the upper and lower heat transfer storage rack plates; and protruding parts, which are matched with a liner slideway of a refrigerator freezer, are extended out of the left and right parts of the fixing frame. The invention also discloses a refrigerator with the thawing device. The refrigerator and the thawing device have the advantages that the refrigerator is convenient to use, the energy is saved, independent thawing space is not required, an electric heater is not required, the condensate water produced during thawing can be automatically collected, when the refrigerator with the thawing device is used, the temperature inside the freezer is uniform and the like.

The invention relates to a cleaner, in particular to a shoe sole cleaner which is specially used for cleaning sand and dust on shoe soles and is further described with attached diagrams below. As shown by the diagrams, the electric shoe sole cleaner comprises a tank 1. A touch switch 3 is pushed by a steel mesh 2 to turn on a power source after pressures of feet are exerted on the steel mesh 2, a motor 4 rotates and drives an eccentric wheel 5 to rotate, a connecting rod 6 and a brush carrier 8 suspended on swing arms 7 are driven to swing left and right in the horizontal direction, brushes 9 fixed onto the brush carrier 8 rub the shoe soles in a circularly reciprocating manner, and sundries on the shoe soles can be brushed off and fall into a dust storage box 10 at the bottom of the tank 1 via gaps among the various brushes; the steel mesh 2 is jacked by a spring 11 after the feet move away, so that the power source can be turned off by the touch switch 3, and shoe sole cleaning work is completed.

The invention relates to a dust-catcher dust collection bucket with a bottom cover easy to open, which comprises a bucket body, the bottom cover connected to the bottom end of the bucket body and an upper cover connected to the upper part of the bucket body. A spring bolt of which the front end is connected into a connecting hole formed at the lower end of the front side of the bucket body is arranged on the bottom cover; the spring bolt is connected with a handle arranged above the upper cover by a brake cable; and the handle rotates to drive the spring bolt to move back and forth. According to the dust-catcher dust collection bucket with the bottom cover easy to open, which is disclosed by the invention, the handle is additionally arranged below a hand grip on the upper cover, the handle is connected with the spring bolt arranged on the bottom cover by the brake cable, the front end of the spring bolt is connected into the connecting hole formed at the lower end of the front side of the bucket body, and the handle rotates to drive the spring bolt to move back and forth. When the bottom cover needs to be opened, the handle only needs to be pinched, the spring bolt on the bottom cover is pulled by the brake cable to be separated from the connecting hole, so that the effect that a user conveniently opens the bottom cover of the dust collection bucket with one hand to dump rubbish in a labor saving manner can be achieved; meanwhile, the requirement for attractive appearance of the product is also met; and moreover, the dust-catcher dust collection bucket has no requirement for uniformity of the wall thickness of the bucket wall of the dust collection bucket and the production efficiency is improved.

The invention discloses a stirrer with uniform stirring function. The stirrer comprises a stirring barrel, a fixing frame assembly, stirring paddles, a rotary motor, a telescopic part and round guide rails, wherein the stirring barrel is rotationally fixed by the fixing frame assembly; the stirring paddles are movably arranged in the stirring barrel; the rotary motor is fixed on the stirring paddles; the telescopic part is fixed on the rotary motor; and the round guide rails are connected on the telescopic part. The stirrer provided by the invention has the advantages that not only can the stirring paddles move up and down, but also the stirring paddles can move around the periphery of the stirrer, so that complete and sufficient stirring of raw materials in the stirring barrel is ensured, and the stirring efficiency is high; and the structure is simple and the operation is convenient.

The invention discloses a chemical discharge cylinder rotary pouring device which comprises a discharge cylinder and a cover plate. A rotary shaft is fixed to the discharge cylinder. A vertical rotary rod is connected to a bottom plate. A lower bevel gear is fixed to the lower end of the vertical rotary rod. An upper bevel gear is fixed to the upper end of the vertical rotary rod. A transmission bevel gear is fixed to one end of the rotary shaft. A drive servo motor is fixed to the bottom plate which is connected with a rotary bevel gear. An electromagnet is fixed to the portion, on one side of the discharge cylinder, of a supporting plate. A control shaft of the electromagnet is connected with a clamping block. A discharge cylinder rotary angle sensor is arranged at the portion, on one side of the discharge cylinder, of the supporting plate. At least two connecting plates are fixed to the middle of the bottom face of the bottom plate. A base plate is arranged at the lower portion of the bottom plate. Connecting blocks corresponding to the connecting plates are arranged on the base plate. The bottoms of the connecting plates are inserted in and sleeved with inserted connection grooves. The chemical discharge cylinder rotary pouring device has the advantages that raw materials are more thoroughly poured, and the discharge cylinder is convenient to clean and detach and can be fixed according to a set position in the turning process.

The invention relates to preparation equipment, in particular to preparation equipment of an antirust agent for electric power engineering construction. The technical problem to be solved by the invention is to provide the preparation equipment of the antirust agent for electric power engineering construction, which can perform multi-directional rotating and stirring preparation and can perform preparation under an airtight condition. In order to solve the technical scheme, the invention provides the preparation equipment of the antirust agent for electric power engineering construction. The preparation equipment of the antirust agent for electric power engineering construction comprises a preparation box and the like; a through hole is formed in a top wall of the preparation box; lower parts of the left side and the right side of the preparation box are connected with liquid outlet pipes; valves are arranged on the liquid outlet pipes; a preparation mechanism is arranged in the preparation box; and a switching mechanism is arranged over the preparation box. The switching mechanism and the preparation mechanism are provided, so that the aim of performing preparation under the airtight condition can be fulfilled; and a worker pulls a second handle to move outwards, so that the aim that the antirust agent prepared in the preparation box is prepared perfectly is achieved.

A practice hockey puck to be used by a young player to learn how to pick up a hockey puck off the ice with the blade of his hockey stick or to stickhandle on pavement or asphalt. The puck is like an ordinary puck but with a lower, outer, annular portion removed, thereby moving the outer peripheral edge of the bottom surface of the puck inwardly from the outer peripheral edge of the top portion of the puck. The outer peripheral edge of the bottom surface acts as a pivot edge. A portion of the puck lies outside this pivot edge. Pressing on this portion of the puck with the blade of the stick allows the player to easily pivot the puck about the pivot edge onto its side starting the process of picking the puck up with the stick. When the practice puck is inverted it can be used to practice stickhandling on a non-ice surface such as pavement or asphalt. The puck, in its inverted position, is contacted by the stick at a lower height on the puck making it less easy to tilt or tumble than a regular puck and thus easier to stickhandle on a difficult surface.

The invention discloses an automatic fertilizer allocation machine and a fertilizer allocation method. The fertilizer allocation machine comprises a rack and at least two feed lifting turnover devices, wherein weighing devices are used for receiving fertilizers which are turned over and dumped by the corresponding feed lifting turnover devices; the weighed fertilizers are conveyed to a stirring transfer device by a belt conveying device, stirred, turned over and dumped to a discharge hopper; and then the discharge hopper is lifted and turned over into a bagging device for bagging. According to the automatic fertilizer allocation machine and the fertilizer allocation method, various fertilizers can be automatically weighed, stirred and bagged, so that the fertilizer allocation efficiency is improved; the fertilizer allocation stability is higher; and the labor intensity of a worker is reduced.

The invention provides a bottle drying and disinfecting storage box for a chemical laboratory. The bottle drying and disinfecting storage box for the chemical laboratory comprises ultraviolet lamp tubes, a water collecting cover, a bottom air guiding plate and a water receiving tank. Each sliding frame is formed by joint combination of four transversely arranged supporting rods which are arrayed at equal intervals and two long striped sliding rods, wherein the long striped sliding rods are symmetrically locked and connected to the left and right ends of the four transversely arranged supporting rods through screws; semi-cylindrical sliding strips are arranged at the bottoms of the long striped sliding rods in a protrusive mode respectively; three long striped supporting plates which are arrayed up and down are welded to the left and right inner walls of a box body at equal intervals, the three sliding frames are correspondingly and slidingly supported on the tops of the supporting plates on the left and right sides through the long striped sliding rods on both sides, and correspondingly three glass bottle holders are slidingly pushed and plated in the box body. Through arrangementof the bottom air guiding plate, the Y-shaped bottom air guiding plate and two top air guiding plates can shunt heated air blown out from two air cylinders and change the flow direction of the heatedair, so that the heated air is blown upwards to conduct quick drying of glass bottles.

The invention discloses a multifunctional infusion device for nursing. The device comprises a base, a supporting column and a hanging frame installed on the top of the supporting column. The hanging frame comprises a short rod, a long rod, an adjusting mechanism used for adjusting the angle of the long rod and a hook assembly used for hanging infusion bags. The hook assembly comprises an S-shapedhook, a connecting rod and a clamping piece. The adjusting mechanism comprises a driving motor, a threaded rod, an internal threaded sleeve, a supporting rod and a connecting rod. According to the invention, the hanging frame is arranged, the long rod is put up, and the device is unfolded like an umbrella. After the long rod is put up, a plurality of infusion bags can hang on the device and be used by surrounding patients. The infusion device is easy to operate, convenient to use and practical, does not need multiple infusion supports, and saves cost and space. A person does not need to specially lift an infusion bag when leaving, the two hands of a patient are liberated, great convenience is brought to the patient, a supporting column, a spur rack, a ratchet bar, an adjusting gear and a ratchet are arranged, the height is convenient to adjust, operation is easy, and adjustment is stable.

The present invention relates to a component transmission buffer storage device used in automobile production line, consisting of a transmission chain with a bearing roller, a chain track frame, a chain wheel frame, a work piece hook and an inclination regulation screw, wherein, the chain track frame has two parallel frames, the chain wheel frame is connected to the two ends of the chain track frame, the chain track frame and the chain wheel frame form a circular track together, the transmission chain with a bearing roller is arranged on the chain track frame and the chain wheel frame, the work piece hook is uniformly arranged on the transmission chain, and the chain track frame is fixed on a bearing beam through the inclination regulation screw. With the component transmission buffer storage device, automatic transmission can be realized with the gravity of the component, with no need of special power equipment and low cost; the present invention can ensure that first stored component can come out firstly and avoid the shortcoming that the component becomes rusty because of long time storage, with convenient and reliable redeposit; collision and pressure injury of a side wall in the process of redeposit can be avoided and the quality of the component can be ensured; the present invention is suitable for storage of large component, such as a body-side, in particular.

The invention relates to a pouring device, in particular to a chemical barrel pouring device. The technical problem to be solved by the invention is to provide the chemical barrel pouring device whichis time-saving and labor-saving, does not cause harm to people, can pour out medicines or dyes adhered to the inner wall of a chemical barrel, does not cause waste and is high in safety. The chemicalbarrel pouring device comprises a bottom plate, a support frame which is arranged on the bottom plate, a lifting mechanism which is arranged on the support frame and used for lifting in a rotating mode, a fixing mechanism which is arranged on the lifting mechanism and used for fixing in a rotating mode, and a rotary mechanism which is arranged on the support frame and used for rotating in a sliding mode. When the chemical barrel is poured through the lifting mechanism, the chemical barrel can be driven to ascend and descend, and people can pour materials more conveniently; the chemical barrelneeding to be poured can be fixed through the fixing mechanism, so that people can pour the materials more conveniently; and the chemical barrel can be rotated to pour the materials through the rotary mechanism.

The invention applicable to the technical field of mobile lighthouses discloses a mobile lighthouse. The mobile lighthouse comprises a car body and illuminating components, the illuminating components are connected onto the car body, the car body comprises car wheels and a chassis, support leg components which can be longitudinally overturned and supported on the ground are arranged on the chassis, each support leg component comprises a support leg and a driving part, the support legs can be overturned to above the chassis, the driving parts are used for driving the support legs to overturn, one end of each support leg is hinged to the car body, one end of each driving part is hinged to the car body, and the other end of each driving part is hinged to the side wall of the corresponding support leg. Stable support can be provided for the car body, storage, travelling and transportation of the mobile lighthouse are not affected, and the mobile lighthouse is quite convenient to apply.

The invention discloses a fry rearing device for large-scale family rearing, and belongs to the technical field of aquiculture equipment. The fry rearing device for large-scale family rearing comprises a thermal insulation water tank and a hatching rearing barrel which is arranged in the thermal insulation water tank, wherein a water level control drainage pipe is arranged in the thermal insulation water tank and is vertically inserted into the bottom of the thermal insulation water tank; the upper end of the water level control drainage pipe is lower than the height of the thermal insulationwater tank; the hatching rearing barrel consists of a barrel body and a pipe fitting which is arranged on the barrel; and the pipe fitting comprises an overflow pipe, an upper pumping pipe, a lower pumping pipe, an upper drainage pipe, a lower drainage pipe, a suction drum, a valve a, a valve b, an elbow a, an elbow b and a three-way pipe. By using the fry rearing device for fry rearing, the riskof cross infection is avoided in a water changing process, the drop speed of water temperature in the batching rearing barrel is slowed, the electric energy consumed for heating the fry rearing wateris reduced, and meanwhile, the fry rearing device is easy and convenient to operate, quick and labor-saving.

The invention discloses a cupboard with dust removal and humidity control functions and a working method of the cupboard. The cupboard comprises a base, a cupboard body, a dust removal mechanism, a clamping mechanism and a lifting mechanism, wherein the lifting mechanism is vertically mounted in the base, the clamping mechanism is mounted on the lifting mechanism, the clamping mechanism clamps thecupboard body, and the dust removal mechanism is fixedly mounted at the top of the cabinet body. Firstly, the cupboard body is placed on a support plate, one end is propped against a stop dog, then,a second knob is rotated, a third lead screw is driven to rotate, a movable plate is pushed to move and stops until second gear teeth are meshed with first gear teeth, the cupboard body is fixed, otherwise, the cupboard body can be loosened, the cupboard body is convenient to mount and dismount, replacement and maintenance of the cupboard body are facilitated, and use is facilitated; and a storageplate is driven to move up and down by a first lead screw, the height of the storage plate is adjusted, the inside space of the cupboard body is convenient to adjust, and different sizes of articlesare convenient to place.