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 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.

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 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 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 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 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.

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.