114results about How to "Reduce cleaning workload" patented technology

The invention discloses a water-saving, uneasily blocked and automatic high pressure flush closet, which relates to the field of closets. When no person sits on the closet, a pipeline port is sealed by a closet piston and a stable sealing pipe. When a person uses the closet, tap water enters a water spray elastic rubber pipe; after the person leaves, water stored in the rubber pipe is sprayed out under triple force of restoring force of the rubber pipe and restoring force and transferred tap water pressure of the closet; the water enters a water spray inner shaft pipe from a water tank of the closet; the piston and a cylinder at the pipeline port of the closet move downwards under water pressure, and water is started to be sprayed out from a water spray hole of the cylinder; the water also flows into a pump chamber; a sandwich layer shaft pipe rotates along with an impeller; the water also enters a water spray pipeline of a closet body and an upper part of a water spray outer shaft pipe; and the water spray pipe of the closet and the water spray hole in the closet cylinder are used for rotatablely spraying the water to the inner wall of the pipeline, the water spray hole in the pipeline of the closet body is used for spraying the water to the rotating closet piston, water spray pipe and cylinder. Excrement is fed into a sewer under the action of centrifugal force and sprayed water. The closet finishes flushing.

The invention relates to a self-cleaning filter which is capable of using the energy of liquid and is suitable for transmission pipelines of refined oil. A special-shaped swiveling wheel is arranged in the filter, and is provided with nylon brushes; a liquid inlet is arranged tangentially, and an optimized angle is formed between the liquid inlet and a liquid outlet. According to the operation principles of a water turbine, when the filter runs, the liquid enters into the filter and rotates in the filter to push the special-shaped swiveling wheel to rotate; and one nylon brush arranged on one blade of the swiveling wheel will be used for clearing impurities captured by a filter screen, so that the filter screen is prevented from being blocked. A top cover and a cylinder body of the filter are connected by a clamping hoop fastening structure, can be disassembled by dismounting 4 to 6 bolts, and are easy and convenient to be disassembled. The self-cleaning filter which is capable of using the energy of liquid for automatic cleaning of the filter screen disclosed in the invention helps to solve problems that: existing self-cleaning filter needs an extra drive unit and an extra control unit, and is only suitable for low pressure working conditions; liquid backwashing is required; and deslagging is uncomplete.

The invention discloses an intelligent cleaning method for structured data, being applied to the technical field of data processing. The intelligent cleaning method comprises the following steps: acquiring a to-be-cleaned data file based on a local file read-write interface, and establishing a file list; merging all the to-be-cleaned data files into a to-be-cleaned file; identifying a data type and a file format contained in the to-be-cleaned file by using the hash table, and marking a template type to which the identifiable file data belongs; loading a file list according to the marked template type, and sequentially carrying out header identification, data verification, format screening and duplicate checking data cleaning processing on the file data; and inputting the cleaned data intoa database one by one by using an SQL querier. According to the intelligent cleaning method, the workload of manual secondary input in the multi-file data cleaning process can be effectively reduced,and the data cleaning efficiency is remarkably improved.

The invention provides a wet-type concrete spray unit comprising a feeder and a sprayer. The feeder comprises a magnetic starter I, a feeder hopper I, a feed motor I, a screw feeding device, a water adder, and an accelerator pump adder, wherein the magnetic starter I, the feeder hopper I and the feed motor I are disposed on a frame I. The sprayer comprises a vacuum magnetic starter II, an air supply system, a motor II, a reducer, a hopper II, a rotor assembly, a sealing device, a spray device, and a frame II, wherein the hopper II is a vibrating hopper and is effectively linked with the sprayer through an automatic feeding device. The novel wet-type concrete spray unit has the advantages that resilience rate in spraying is low, spray pulse is low, operation dust is little, a spray layer is high in strength, one-time spray thickness is large, time is saved, and mechanical operating level is high.

The invention discloses a digitized accurate ink supply method of a printing machine. Metering printing ink conveying units replace ink keys on a traditional printing machine; each metering printing ink conveying unit directly conveys printing ink to corresponding ink areas; and the volume or mass serves as metering basis, quantitative supply of the printing ink for each ink area is achieved. In the working state, the ink supply flow speed of each metering printing ink conveying unit is obtained through calculation according to the consumption amount of the printing ink of corresponding color plates and the corresponding ink areas in each printed sheet and the operation speed of the printing machine, and the ink supply flow speed of each metering printing ink conveying unit is calculated and adjusted in real time along with change of the operation speed of the printing machine. By means of the digitized accurate ink supply method of the printing machine, real-time accurate adjustment can be achieved, the automation degree and digitization degree are high, the adjustable range is wide, one-way printing ink conveying is achieved, and printing ink return is avoided.

The invention discloses a strawberry planting device. The strawberry planting device comprises a strawberry planting frame and two conveying mechanisms, wherein the strawberry planting frame comprises a step-type supporting frame, a solar rotating device and a high-pressure nozzle; a planting groove is formed in each layer of step of the supporting frame; a water pipe is arranged in the supporting frame; the solar rotating device is mounted in the middle of the step on the uppermost layer of the supporting frame; the high-pressure nozzle is mounted at the central position of the top of the solar rotating device; the solar rotating device comprises a solar panel, a rotating body and a rotary shaft; the solar panel is mounted at the top of the rotating body; the high-pressure nozzle is mounted at the central position of the solar panel; one end of the rotary shaft is connected with the rotating body and the other end of the rotary shaft is connected with the bottom of the supporting frame; the rotary shaft is fixedly connected into the center of the supporting frame; the rotary shaft is a hollow rotary shaft; each of the two conveying mechanisms is composed of a material containing barrel, a retractable rod and a base. The strawberry planting device provided by the invention is simple in structure and reasonable in design; phenomena of existing single-layered planting and placement that light illumination is not uniform and the growth vigor of strawberries is not good can be effectively solved.

The invention relates to a smooth heat exchanger of sewage or a surface water source heat pump and a system thereof, in particular to a heat exchanger for extracting heat or cold from the sewage or surface water by using a heat pump technology and a system thereof, belonging to the technical field of energies. The invention aims to solve the key problems of suspended matter blocking, and complex technical process, great floor area and the like which are caused by trying to realize blocking prevention in the prior art. The heat exchanger is composed of a large-diameter pipe, a pipe sheet, a shell, inner and outer partitions, closing plates, sewage or surface water inlet and outlet, clear water inlet and outlet and the like. The system is composed of the heat exchanger, a heat pump set, a water pump, connecting pipelines and the like. The sewage or the surface water can smoothly flow in the large-diameter pipe, the clear water and the sewage form countercurrent flow in the shell, and the heat pump set extracts heat from the clear water. The invention is suitable for a sewage or surface water source heat pump indirect system, and the front end does not need a filter screen or an anti-blocking device, thereby realizing continuous heat exchange and heat extraction without blocking. The invention has the advantages of simplified system and technical process, high heat exchange efficiency and small floor area.

The invention discloses a user address data cleaning method based on word segmentation. The method includes the following steps that 1, a metadatabase is established, and standard address data is stored in the metadatabase; 2, characteristic characters in user address data are read and identified based on the metadatabase, then the user address data is subjected to word segmentation operation according to the characteristic characters, and therefore multiple pieces of address sub-data are extracted; 3, the multiple pieces of address sub-data are matched with the standard address data, and theuser address data is corrected through the standard address data. According to the user address data cleaning method based on word segmentation, the standardability of original data is not required, the requirement for data sources is low, and therefore the application range of the user address data cleaning method is wide; it is achieved that nonstandard or indeterminate addresses are matched andcleaned by establishing the actual metadatabase, data cleaning workloads are effectively reduced, data cleaning time is effectively shortened, the problem that the nonstandard addresses are difficultly matched is effectively solved, and rapid and effective matching of the nonstandard addresses is achieved.

An automatically adjusted scraping device for a belt conveyor comprises a first scraping device, a second scraping device and a third scraping device and is characterized in that the first scraping device is provided with a spring stretching mechanism control spring drawing hook (14) and a first scraper (11) to enable the scraper to be in contact with a belt working surface to achieve automatic scraping; the second scraping device is provided with a second supporting pipe (21), an adjusting device (28), an adjusting connecting rod and a second scraper (24); the third scrapping device is provided with a brush sweeper (33), a brush roller (34), a bearing base (31), a speed reducing machine and a motor (32); the motor (32) drives the brush roller (34) and the brush sweeper (33) through a turbine and a worm. The automatically adjusted scraping device for the belt conveyor has the advantages of being convenient to produce and durable in use, enabling sweeping working amount of the belt to be reduced, improving the material conveying efficiency, reducing maintenance frequency and reducing transporting costs.

The invention discloses the sewage and the surface water heat pump open canal type heat exchange trough heat exchange method and its equipment, which is relates to a heat pump open canal type heat exchange trough heat exchange method and its equipment. The invention goal is that it solves the problems of the relatively complex existing system craft, the massive dirt causes the heat transfer efficiency weaken too quickly, the short clean maintenance cycle, the big operation work load. The invention method sends the sewage or the surface water in the flow channel of the cross-sectional area at least 300mmX40mm, the incline slope or the hydraulic gradient of the flow channel is 0.5%-6%, the sewage or the surface water become the non- full pipe in the flow channel open canal type to flow. The multi-heat pipe (3) of the invention equipment paralleling connects on the flow bottom (4) and keeps a gap with the flow bottom (4). The invention method sewage according to the non- full pipe open canal flow, because of the open style, not only can not appear blinding question, moreover easier clean maintenance the exchange hot face, and few flow channels, the small clean work load, even may on-line clean. The invention installment has the merit of simply structure, easy maintain.

The invention belongs to the technical field of quenching and cooling, and relates to a quenching and cooling device. The quenching and cooling device includes a quenching tank, a quenching bench, a quenching bench lifting system, a medium circulating system, a medium outlet system, a medium blowdown system, a cooling zone carrier roller, a power motor, a leading screw, a nut, a guiding sleeve, a guide rail, a circulating pump, a variable frequency motor, a liquid suction pipeline, a liquid suction port, a liquid discharging pipeline, an electronic flow meter, a cooler, an electric regulating valve, a flow controller, a medium outlet, a flow guiding plate, blades, a coaming plate, a fan and a fan cover, and the quenching bench lifting system includes the power motor, the leading screw, the quenching bench, a guide sleeve and the guide rail. The quenching and cooling device has the advantages of high automation degree, fast cooling speed, controllable cooling process, controllable flow, pressure and flowing direction of a cooling medium, uniform cooling, improvement of the product heat treatment quality, reduction of the loss of the cooling medium, reduction of the cleaning workload, increase of the working efficiency, ingenious and reasonable design of the overall structure, scientific principle, convenience in operation, convenience in use, good safety and reliability, and friendliness to application environment.

The invention discloses a high-pressure support-column insulator sweeping device integrating sweeping and dust collecting. The high-pressure support-column insulator sweeping device includes a movablebase and an insulation support rod, and the movable base is connected with an earth wire; a hinging fork head is mounted at the top of the insulation support rod, and an arc component is hinged to the hinging fork head through a locking bolt; two arc through holes formed in the same periphery are formed in the end face of the arc component, a pneumatic motor is hoisted in each arc through hole, and sweeping brush heads are mounted at the output shaft ends of the pneumatic motors; an elastic cushion block made of an insulation material is mounted on the inner side wall of the arc component; the sweeping brush heads are arranged inside a dust collection hood; the dust collection hood is mounted along the arc edge of the outer side wall of the arc component. The high-pressure support-columninsulator sweeping device integrating sweeping and dust collecting is convenient to operate, safe, reliable and high in sweeping efficiency, a support-column insulator is swept without outage, dust iscollected during sweeping, therefore, an insulation dust collection effect is effectively prevented during sweeping, and the workload of sweeping is greatly reduced.

The invention discloses a fishpond dissolved oxygen wireless detection device capable of realizing automatic cleaning of sensor probes, and belongs to the field of aquaculture water quality detection.An automatic device and a washing mechanism are invented to realize probe automatic cleaning based on the characteristic that adhesion of impurities onto sensor probes in fishpond is easily caused; photographing monitoring is adopted for fish hypoxia under extreme anoxic conditions; wireless remote distance transmission is adopted for measured dissolved oxygen content and obtained fishpond pictures, and arrangement of the fishpond dissolved oxygen wireless detection device in fishpond is convenient. The wireless dissolved oxygen detection device comprises eight modules including a 8051 controller, a dissolved oxygen detection module, a cleaning motion control module, a probe motion control module, a wireless communication module, a camera control module, a bluetooth transmission module, and a power supply transition module; cooperative operation of the modules is realized; the structure is clear; the system is complete; fishpond water body dissolved oxygen content monitoring can be realized preferably; and the automation degree of the aquaculture field is increased.

The invention discloses a limit mold for back lapping of an infrared focal plane detector and a preparation method. Uniformity and homogeneity of thicknesses of detector chips can be accurately controlled due to the special limit design of the limit mold, the limit mold is mainly made of two diamond pieces with very large hardness, the back lapping and polishing condition of the detector chips almost has no effect on the diamond pieces, rectangular holes are opened at the centers of the two diamond pieces through a laser according to the feature size of the detector and the mold is divided into two portions along the diagonals of the rectangular holes through Disco cutting, and special DW3 low-temperature gum is used for bonding and curing the two layers. According to the limit mold, raw materials are simple and easy to obtain, accurate thickness control is provided, the technological process is controllable, the operation processes are few, and the mold can be recycled and has wide applicability.

The invention relates to a liquid sampling device, which comprises a rocker arm 1, a needle fixing base 2, a return spring 3, a guide rod 4, an ultrasonic vibrator 5, a vibrator mounting sleeve 6 and a sampling needle 7, wherein the needle fixing base 2 is fixed with the rocker arm 1 by passing through the rocker arm 1; the needle fixing base 2 is provided with first and second through holes; the second through hole comprises upper and lower through holes which are coaxial; the diameter of the lower through hole is more than the diameter of the upper through hole; the sampling needle 7 is connected to the needle fixing base 2 by passing through the first through hole; the ultrasonic vibrator 5 is placed inside the vibrator mounting sleeve 6; the vibrator mounting sleeve 6 is fixedly connected to the sampling needle 7; one end of the guide rod 4 is connected to the mounting sleeve 6 while the other end of the guide rod 4 is inserted into the lower through hole and contacts with one end of the return spring 3 in the lower through hole; the diameter of the return spring 3 is more than the diameter of the upper through hole; the guide rod 4 is a hollow barrel with upper and lower parts opened; the power line of the ultrasonic vibrator 5 is extended out of a channel formed by the guide rod 4, the return spring 3 and the upper through hole; and the upper end of the sampling needle 7 is connected to an injection pump. The liquid sampling device has a stirring function, is convenient to portable and operate, and has small cleaning work load.

The invention relates to a comprehensive evaluation method of the health condition of an ancient architecture channel drainage system and belongs to the ancient pipeline assessment field. According to the method, channel data including channel CAD drawings, as well as photographs and images taken by robots are collected through using modern pipeline detection technologies before ancient architecture channel defect assessment is performed, and therefore, the basic information, such as the structures and sizes of the pipelines can be systematically, comprehensively and authentically mastered; ancient architecture channel defects are classified systematically, namely, the ancient architecture channel defects are classified into structural defects and functional defects, and the various defects are defined and described in detail, and the degrees of the channel defects are graded, and defect levels are determined, and complete assessment is performed on the ancient architecture channel defects. With the method adopted, references can be provided for the defect assessment of the ancient architecture channel drainage system.

Antiscale and nullah heat water source heat pump unit, which involves a water source heat pump unit. The purpose of this invention is to solve the existing water source heat pump unit in the using of municipal sewage or surface water such unclean water, the large amount of investment, low operation efficiency, energy consumption, as well as the plug and dirt difficult issues. The invention of a number of tube (3) parallel connected to the base flow and the base flow (4) maintaining a gap, a number of tube (3) ends with the two refrigerant even ( 5) connectivity. All of the water in the channel or heat exchanger tank are of water flow, water tank wall coverage on the tube heat exchanger flow velocities greater flow again from top to bottom, the impurities and dirt-China and carrying a role; according to channel flows, heat transfer wall velocity, Renault several criteria, therefore sewage or surface water side of the convective heat transfer coefficient, higher efficiency unit; not alone prevent anti-scaling technology or equipment, water pumps small power consumption, the system reduces power consumption.

The invention discloses an industrial waste gas treatment system, which consists of a spraying device, an oil fume separation device, a fume removal device, a smell removal device and a fan. The spraying device is equipped with a waste gas inlet and a liquid jet component, the waste gas inlet is communicated with the inside of the spraying device, the liquid jet component is disposed in the spraying device, the fume removal device, the smell removal device and the fan are connected in order and are disposed outside the spraying device, the fan is equipped with an air outlet, industrial waste gas enters the spraying device through the waste gas inlet and undergoes jetting dedusting by the liquid jet component, then the industrial waste gas is conveyed to the oil fume separation device for oil fume separation, then the treated industrial waste gas is sent to the fume removal device and smell removal device in order for fume removal and smell removal, and then the treated industrial waste gas is discharged through the air outlet of the fan. According to the invention, the oil fume separation device and the fume removal device are separated, the oil fume separation device is utilized to remove oil drops from oil fume, adsorption of a lot of oil drops on the fume removal device can be avoided, frequent cleaning or replacement of the fume removal device is unnecessary, and the cleaning workload and fume removal device maintenance workload of a user can be reduced.

The invention provides a sealant coating device and a self-cleaning method. According to the sealant coating device, by arranging a fixed partition plate in a sealant material pipeline, the sealant material pipeline is divided into a sealant material storage pipeline and a first gas pipeline, by arranging a movable baffle in a sealant coating pipeline, the sealant coating pipeline is divided into a sealant material flowing pipeline and a second gas pipeline, after the coating of frame sealant is finished, a gas control unit is used for adjusting air pressure of the sealant material pipeline and the sealant coating pipeline to control the movable baffle to swing to the direction of the sealant material flowing pipeline, a sealant material is obstructed from flowing to the passage of a sealant coating nozzle, while the second gas pipeline and the sealant coating nozzle are communicated, residual sealant material is cleaned by consistent washing of cleaning gas, and a self-cleaning function is realized.

The invention relates to a dust removal device and method, in particular to a method and system for dust disposal during ore processing. The system comprises a dust hood, a dust remover connected with the dust hood through a dust suction pipeline, a dust removal and ash discharging pipeline, a sludge sedimentation pool, a water inlet pipe, a sludge stirrer, a sludge pump, a sludge tank and a sludge discharge pipe. The lower end of the dust remover is connected with one end of the dust removal and ash discharging pipeline, and the other end of the dust removal and ash discharging pipeline goes deep into the sludge sedimentation pool. The sludge stirrer and the water inlet pipe are arranged in the sludge sedimentation pool. The sludge sedimentation pool is connected with the sludge tank through the sludge pump. The lower end of the sludge tank is provided with the sludge discharge pipe. The method includes the steps of collecting dust generated in ore production, then mixing the collected dust with water to form sludge, and spraying the sludge in all links during ore transportation. By means of the method and system, the dust control effect is obvious, dust disposal is achieved through dust itself, material loss is reduced, and dust disposal is effectively achieved during ore breaking and processing.

The invention discloses a device used for preventing flue gas at an outlet of a chimney from carrying droplets after wet desulphurization, which comprises the sleeve chimney and a main chimney flue. The device is characterized in that the sleeve chimney consists of an outer chimney barrel and an inner chimney barrel, a droplet recycling device is disposed inside the sleeve chimney and consists of a primary acid liquid draining device and a secondary acid liquid draining device, and a blockage-preventive cleaning device is further arranged below the droplet recycling device. By the aid of the reasonable scheme of the cylindrical inner barrel of the sleeve chimney and designs of the droplet recycling device and the blockage-preventive cleaning device, the problem that flue gas at an outlet of an existing chimney carries droplet is solved. The device can effectively prevent the droplets from being carried, conditions of a power plant and surrounding environment conditions of the power plant can be greatly improved by means of popularizing the technical scheme of the device, cleaning and maintaining workload is reduced, and excellent social benefit and economic benefit can be obtained.

The invention relates to an antipollution film used for a ceramic opaque glaze / semi-opaque glaze and a preparation technology thereof. The preparation technology comprises the following steps of: salt solution preparation: adding 10-40 parts by weight of alkali metal ion compound and / or alkaline earth metal ion compound in total into 60-90 parts by weight of water and stirring uniformly to form the salt solution; spraying: spraying the salt solution on a water receiving surface of the inner wall of a cavity of a ceramic glazing blank device, wherein the ceramic glazing blank with the salt solution has a certain dryness so that a certain amount of solution can be absorbed; and sintering: sintering the glazing blank with the salt solution according to a normal sintering process. The preparation technology of the antipollution film can be compatible and linked with different ceramic production processes and has no specific requirement on a formula of blank glaze, and the original production process is not greatly changed; and the preparation technology can give an antipollution easy-cleaning function to the ceramic opaque glaze / semi-opaque glaze and also can improve brightness and whiteness of the glaze and improve aesthetics of the glaze, and cost is low.

The invention discloses dust-free screening and crushing integrated equipment. The integrated equipment comprises a machine frame, a first level crushing device, a second level crushing device, a third level crushing device, a screening device and a dust removing device. The top of the machine frame is provided with a feeding inlet and a suction opening. The first level crushing device, the second level crushing device, the third level crushing device and the screening device are located in the machine frame and are arranged in a dust-free screening and crushing integrated equipment body in a totally closed mode. The dust removing device is located outside the machine frame and connected with the suction opening. The dust-free screening and crushing integrated equipment has the beneficial effects that outdoor arrangement is adopted, concrete pouring and embedded part fixing and bearing are adopted for infrastructure construction, and a separate crushing building does not need to be constructed; dust leakage is avoided, an original coal crushing room pervaded with dust is removed, the working environment is optimized, and the cleaning workload is also reduced; the occupied area is decreased, the space is reduced, and the cost is reduced substantially.

The invention relates to the technical field of car accessory machining device, and particularly discloses a device for demounting a bearing. The device comprises a working table, the working table isprovided with a first supporting shaft, a clamping mechanism, a second supporting shaft and an air cylinder. The first supporting shaft is fixedly connected with a cylinder body, a first piston is arranged in the cylinder body, an elastic material layer and an air outlet pipe are arranged in the cylinder body, the air outlet pipe is in sealed connection with a U-shaped pipe, and an oil contamination washing agent is contained in the U-shaped pipe; a first piston rod is connected to the first piston, and a stopping block is fixedly connected to the first piston rod; the clamping mechanism comprises a strut, a clamping body, a first clamping piece and a second clamping piece; a second piston is arranged in the air cylinder, and the air cylinder is communicated with the cylinder body throughan air pipe; and a second piston rod is connected to the second piston. By means of the device, the bearing can be stably clamped, bearing stress is even in the bearing demounting process, and bearing damage is avoided.

The invention provides a quick cleaning device for a printing color group. The quick cleaning device mainly comprises a drawer type ink tray and a tray locking mechanism; a scrapping cutter which is obliquely forwards extended is arranged at the front end of the drawer type oil tray; the tray locking mechanism is arranged above a backing direction of the drawer type oil tray; the tray locking mechanism comprises two fixed blocks which are fixedly connected with a left side plate and a right side plate, a coupling shaft that is rotatably connected between the two fixed blocks, a rotary propping part which is fixedly sleeved on the coupling shaft, and a locking structure for fixing the rotary propping part; and the rotary propping part can be downwards rotated, and is used for pushing the drawer type ink tray to forwards move under the effect of a lever. Compared with the prior art, the quick cleaning device for the printing color group, provided by the invention, is easy to disassemble, convenient to clean, and capable of greatly reducing the workload in cleaning of the printing color group.

The invention discloses a root restriction cultivation method of polygonatum multiflorum L. under high-slope forests. The method comprises seven aspects of seedling reproduction, forest selection, soil preparation and placement of root control devices, seedling transplanting, under-forest management, prevention and control over diseases and insect pests, harvesting and primary processing; according to the method, forests such as mixed forests, bamboo forests and broad-leaved forests where slopes are greater than 25 degrees, and ridging and formation of rectangular pieces of land are not easilyconducted are mainly selected, seedlings or seed stems (bud heads face upward) are planted in the root control devices, and a base fertilizer prepared by adopting a special formula and a planting substrate special for traditional Chinese medicinal materials are applied for planting. By adopting the method of cultivation of the polygonatum multiflorum L. under the high-slope forests, the problemscan be solved that at present, the utilization efficiency of the forest type is low, the impurity removal workload is high, according to traditional under-forest ridging cultivation of the polygonatummultiflorum L., the water and fertilizer utilization efficiency is low, soil-borne diseases are severe, and the yield and quality of the polygonatum multiflorum L. can be influenced; effective components of the obtained medicinal materials are consistent in content, stable and reliable, and can meet the standards of the 'polygonatum multiflorum L.' item of the 2015-version 'Chinese pharmacopoeia', and the method has a good popularization prospect.

A refrigerator drawer being able to be drawn out consists of front panel, back-side plate, right side plate, left side plate and bottom plate. It is featured as inserting said bottom plate actively at bottom of drawer for enabling to only clean said bottom plate by drawing bottom plate out of drawer when drawer needs to be cleaned.

The invention provides an electromagnetic chip removal mechanism. The electromagnetic chip removal mechanism comprises an electromagnet, a guide rod and a crank and slide block mechanism. The crank and slide block mechanism comprises a crank, a connecting rod and a slide block. The crank, the connecting rod and the slide block are sequentially connected through hinges. The slide block is connected to the guide rod in a sleeving manner and can slide in the axial direction of the guide rod. The electromagnet is mounted on the slide block and can be switched between the powered-on state and the powered-off state. The invention further provides a chip removal device. The chip removal device comprises a water tank, a chip removal machine and the electromagnetic chip removal mechanism. A hole is formed in the upper surface of the water tank, and the chip removal machine is mounted in the hole. A flowing gap is formed between the chip removal machine and the inner wall face of the water tank. The guide rod extends in the axial direction and passes through the positions above the chip removal machine and the flowing gap. By means of the electromagnetic chip removal mechanism and the chip removal device, waste chips falling out of a chip removal conveying plate can be absorbed and cleared in time; the waste chips are prevented from being piled up out of the chip removal conveying plate; and meanwhile, the problem that scrap iron flows into an oil pump or a recovery pipe along with fluid such as cutting fluid, so that the structures are worn is prevented.

The invention provides a knocking type low-impurity-rate sunflower seed combine harvester. The knocking type low-impurity-rate sunflower seed combine harvester comprises a picking and conveying device, a first conveying system, a knocking threshing device, a second conveying system, a flower disc collecting and discharging device, a sunflower seed stock bin, a walking system and a main rack; the picking and conveying device is installed on the main rack; the knocking threshing device is located above the second conveying system and comprises a lifting rod, a cam mechanism, a transverse rod, a supporting rod, a fixed hinge and a knocking plate; a balance pivot is arranged in the middle of the transverse rod, one end of the transverse rod is hinged to the lifting rod, the supporting rod is mounted at the other end of the transverse rod, and the knocking plate is mounted on the supporting rod through the fixed hinge; and a stock bin comprises the flower disc collecting and discharging device and the sunflower seed stock bin which are separated from each other, the flower disc collecting and discharging device is located behind the second conveying system, and the sunflower seed stock bin is located below the second conveying system. According to the sunflower harvester, the labor intensity of workers is reduced, certain stability and reliability are achieved, the fault rate is low, low-impurity-rate harvesting of sunflowers is achieved, and the grain condition is improved.

The invention relates to packaging equipment, in particular to quantitative feed packaging equipment for pig feed production. The quantitative feed packaging equipment for pig feed production can guarantee the bagging weight accuracy, is not prone to leaking feed and is small in sanitary cleaning workload. The quantitative feed packaging equipment for pig feed production comprises: supporting columns, wherein a workbench is arranged among the tops of the supporting columns; a packaging mechanism, wherein the packaging mechanism is arranged on the workbench; and a discharging mechanism, whereinthe discharging mechanism is arranged on the workbench. By means of the quantitative feed packaging equipment for pig feed production, a bag is clamped by pulling a pull block, then a second connecting rod is pushed to move left and right to achieve left-right movement of the bag, then under cooperation of the packaging mechanism and the discharging mechanism, accurate bagging weight and rapid packaging of the feed are achieved, and by arranging a rotating block, the feed is not prone to leaking in the bagging process, and then the sanitation cleaning workload is reduced for people.