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694results about How to "Play a cleaning role" patented technology

Steel pipe cleaning device

The invention provides a steel pipe cleaning device, and belongs to the field of metal pipe cleaning machines. The steel pipe cleaning device comprises a cleaning fluid box body and a circulating fluid supply mechanism. A cleaning fluid recycling cavity is formed in the right end of a cavity of the box body, bearing block fixing plates and a motor supporting plate are fixed to the left end of the cavity, shaft sleeve driving wheels are arranged on the bearing block fixing plates, a motor is arranged on the motor supporting plate, motor shaft driving wheels are fixed to the two ends of a motor shaft, one end of a driving belt is arranged on the motor shaft driving wheels, the shaft sleeve driving wheels are sleeved with the other end of the driving belt, one end of each shaft sleeve is fixed to the center of the corresponding shaft sleeve driving wheel, the other end of each shaft sleeve is supported by a corresponding shaft sleeve bearing block, the shaft sleeve bearing blocks are fixed to the bearing block fixing plates, a brush pipe is fixed into shaft sleeve cavities, brush positioning grooves are formed in the inner wall of a brush pipe cavity and in the length direction, and brushes are embedded into the positioning grooves. The circulating fluid supply mechanism is arranged in the cleaning fluid recycling cavity. The structure is simplified, and the brushes make good contact with the outer wall of a steel pipe; transition links are fewer; the brushes have the permanent cleaning effect on the steel pipe, and the cleaning quality is good.
Owner:CHANGSHU WATER SUPPLY & SEWERAGE WORKS CO LTD

Intelligent lock with battery replacement and screen touch protection functions

The invention relates to an intelligent lock with battery replacement and screen touch protection functions. The intelligent lock comprises a lock body, a handle, a touch screen and an unlocking device, and further comprises a replacement mechanism and a protection mechanism. The replacement mechanism comprises a shell, a telescopic assembly and a switch assembly. The protection mechanism comprises a cover plate, a cleaning block and two lifting assemblies. In the intelligent lock with battery replacement and screen touch protection functions, a button can be controlled to enable battery packsto pop out of or draw back into the shell through the replacement mechanism, continuous running can be achieved through switching of the two battery packs, and the endurance capacity of the intelligent lock is improved; compared with a battery pack replacement mode of an existing intelligent lock, damage caused by frequent replacement of the battery packs is avoided, and replacement is conductedmore conveniently and efficiently; and the touch screen can be protected and cleaned by means of the protection mechanism, compared with the existing intelligent lock, the touch effect of the displayscreen is enhanced, the situation of illegal unlocking caused by malignant damage to the touch screen is prevented, and the safety and reliability of the intelligent lock are improved.
Owner:YONGKANG SHUOXIN IND & TRADE CO LTD

Circular multi-layer pig breeding facility

The invention relates to a circular multi-layer pig breeding facility. Breeding houses are designed into a circular stacked structure, and scrapers are driven by a rotary shaft to clean up manure, so that insides of the breeding houses can be kept sanitary, bred bacteria are reduced, and pigs are bred healthily; treated manure flows into a biogas pool through drainage pipes and stirred by stirring blades, a supernatant of biogas slurry is taken to be subjected to aerobic fermentation, filtering and recovery and can be used for cleaning drainage ditches and the drainage pipes, and biogas residues can be used as organic fertilizer; produced biogas can also be used for heating the breeding houses. An axial flow fan is mounted at tops of the breeding houses, and the temperature and the humidity of the breeding houses on all the layers can be regulated through temperature sensors and ventilating windows in the breeding houses on all the layers; a feed supply system conveys feed prepared by a preparing device to a feeding trough on each layer through a supply pipe, and spray cleaning devices are allocated in the feeding troughs, have a cleaning effect on the feeding troughs and can supply sufficient water to the pigs. The pig breeding facility realizes efficient three-dimensional feeding, saves land and cost, is healthy and sanitary and reduces labor intensity.
Owner:刘建立

Vacuum excrement collection device for passenger train

The invention discloses a vacuum excrement collection device for a passenger train, which comprises a vacuum excrement collection device, a vacuum intermediate transition tank, a sewage terminal collection tank, a vacuum generation device, a PLC (programmable logic controller) and a vacuum switch, wherein the vacuum excrement collection device is connected with the vacuum intermediate transition tank which is connected with the sewage terminal collection tank, a first check valve and a transmission control valve are arranged on a conveying pipeline, the transmission control valve is connected with one end of the vacuum intermediate transition tank, one pipeline transports sewage and vacuum, the sewage terminal collection tank is connected with the vacuum generation device through a pipeline provided with a second check valve, the vacuum switch is connected with the sewage terminal collection tank which is provided with a liquid level sensor II, the PLC is connected with an electromagnetic valve I, an electromagnetic valve II, an electromagnetic valve III, the vacuum switch and the liquid level sensor II, one pipeline transports the sewage and the vacuum at the same time, compressed air is saved, the noises are reduced, the pipeline blockage is effectively reduced, and the pipeline is cleaned.
Owner:SHANDONG CRRC HUATENG ENVIRONMENT CO LTD

Dustproof router easy to mount

The present invention discloses a dustproof router easy to mount. The dustproof router easy to mount comprises a base. A lower surface of the base is provided with a group of sucker. An upper surface of the base is provided with damping spring posts. A router body is mounted on the damping spring posts. A motor is disposed in the middle of the upper surface of the base. An output shaft of the motor is provided with a cooling fan. An upper surface of the router body is provided with a circle of ring groove and a plurality of heat dissipation holes. An electrostatic generator is disposed in the ring groove. A dust adsorption net is disposed outside the electrostatic generator. A front surface of the router body is provided with connection ports and a dustproof insert board. A back surface of the router body is provided with hanging pieces. Dust filtering net slots are disposed at two sides of the router body. L-shaped insert boards are inserted into the dust filtering net slots. The L-shaped insert boards are provided with a dust filtering net. The router is easy to fix by using the suckers at the lower surface of the base, the electrostatic generator guides dust to the dust adsorption net so as to play a cleaning function, and the router can be suspended by using the hanging pieces at the back surface of the router body.
Owner:CHENGDU CHUANGNIAN TECH CO LTD

Drum type gravel separation equipment for construction site

The invention relates to drum type gravel separation equipment for a construction site. The drum type gravel separation equipment comprises a conveying belt, a first bottom plate, a first motor, a sliding chute, a separation roller, a first separation net, a first belt wheel, a second motor, a second separation net, a second bottom plate, a first gravel outlet, a steel brush roller, a second gravel outlet and a third gravel outlet. The lower end of the conveying belt is arranged inside a gravel feeding hopper. The right end of the first bottom plate is connected with a fifth supporting rod through a fixing bolt. The sliding chute is arranged at the upper end of a sixth supporting rod. The two ends of the separation roller are provided with gear grooves. The first separation net is arranged on the outer surface of the separation roller. The second motor is fixedly connected with a second belt wheel through a speed reducer. According to the drum type gravel separation equipment for the construction site, the steel brush roller is arranged on the rear side of the separation roller, the effect that the separation roller is cleaned during operation is achieved, the first separation net is prevented from being blocked by gravel, and thus, the separation efficiency of the separation roller is improved.
Owner:安徽新兴翼凌机电发展有限公司

Micro-fluidic chip for screening rare cells in whole blood

The invention discloses a micro-fluidic chip for screening rare cells in whole blood. The micro-fluidic chip comprises a microchannel as well as a platelet removing region formed on the microchannel by a first interdigital electrode assembly, a red cell lysis region formed by a lysis pipeline segment on the microchannel, a red cell removing region formed on the microchannel by a second interdigital electrode assembly, a white cell removing region formed on the microchannel by a magnetic field and a target cell extraction region formed on the microchannel through a third interdigital electrodeassembly in sequence. According to the micro-fluidic chip disclosed by the invention, platelets and lysed red cells are removed by using the size difference; white cells are removed by using a specific monoclonal antibody and a magnetic bead mode, and screening purity and capture ratio of target cells are favorably improved; in addition, the micro-fluidic chip can clean samples. The system disclosed by the invention does no harm to cells, can be used for conventional flow cell sorting and screening the rare cells and has important significance for promoting noninvasive prenatal screening and tumor prognosis detection.
Owner:SUZHOU INST OF BIOMEDICAL ENG & TECH CHINESE ACADEMY OF SCI

Endoscope tube washing and disinfecting device for digestive system department

The present invention discloses an endoscope tube washing and disinfecting device for digestive system department and belongs to the technical field of medical instrument washing and disinfecting. Theendoscope tube washing and disinfecting device for digestive system department comprises a washing box, one side of an inner side wall of the washing box is provided with a sliding chute, a slide block is vertically and slidably connected inside the sliding chute, one side of a surface of the slide block is fixedly connected with a mounting plate, besides, a surface of the mounting plate is attached to an inner side wall of the washing box, a plurality of micro motors are arranged on the surface of the mounting plate, the micro motors move the slide block along the sliding chute, the micro motors, transmission shafts A and brush plates are driven to move downwards, bottom parts of the transmission shafts A and the brush plates are inserted into inner walls of endoscope tubes, the micro motors are started, output ends of the micro motors rotate to drive the brush plates to rotate, the inner walls of the endoscope tubes are washed by friction between the brush plates and the inner wallsof the endoscope tubes, the inner walls and outer walls of the endoscope tubes can be synchronously washed, so that the endoscope tubes can be washed more thoroughly and washing quality of the endoscope tubes is improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF MEDICAL COLLEGE OF XIAN JIAOTONG UNIV

Enhanced heat transfer unit of self-drive periodically brushing boundary layer fracture in heat exchange tube

An enhanced heat transfer unit of self-driven periodically brushing boundary layer fracture in a heat exchange tube is characterized in that: two ends of a smooth heat exchange tube or a straight tube section are respectively provided with an impeller, the two impellers are respectively fixed with a flange, an inner end face is located in the smooth heat exchange tube or a central axis of the straight tube section, which is in expansion joint or in spiral connection with a stainless steel metal shaft, the metal shaft is thereon connected with periodic boundary layer brushes at intervals and at random. The periodic boundary layer brushes are all vertical to the stainless steel metal shaft which can be a short metal pin and stick welded on the metal shaft or an organic plastic short stick or a perforated metal sheet. The end of each periodic boundary layer brush is at a distance of 1/5-1/7 semidiameter away from the internal face of the heat exchange tube. The invention adopts the impeller fluid self-drive method, the fluid drives the impeller to ensure that the boundary layer brushes rotate without external power; the rotation of the boundary layer brushes ensures that fluid in the tube perturbs so as to enhance heat transfer, and the boundary layer inside tube wall is gradually destroyed, thus further improving enhancement effect and avoiding scaling in the internal tube wall.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
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