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44results about How to "Reduce space utilization" patented technology

Sewage Treatment Process and System

A sewage treatment process is provided, which includes the following steps: a) sewage feeding step, comprising introducing raw sewage into a biological reaction tank (1) to a predetermined time or liquid level; b) reaction step comprising performing aeration and stirring intermittently in the biological reaction tank (1); c) treated water discharging step, comprising performing solid-liquid separation of the mixed liquor in the biological reaction tank (1) by a membrane separation device (2) to obtain a first permeate, which is taken as the final treated water; d) standby step comprising stopping aeration in the biological reaction tank (1); and e) phosphorus-enriched water discharging step, comprising keeping anaerobic condition in the biological reaction tank (1) and performing solid-liquid separation of the mixed liquor in the biological reaction tank (1) by a membrane separation device (2) to obtain a second permeate, the second permeate entering inside a phosphorus recycling unit (5) which is set independent from the biological reaction tank (1), the phosphorus recycling unit (5) removing phosphorus from water, the second permeate becoming low-phosphorus water, and the low-phosphorous water flowing back to the biological reaction tank (1); the sewage treatment process runs in cycle by repeating above steps. A corresponding treatment system is also provided.
Owner:SUN YOUFENG

Movable and stretchable device and movable stretchable solar panel

The invention provides a movable and stretchable device. The movable and stretchable device is characterized in that the movable and stretchable device is provided with a translation portion and a stretchable portion; the translation portion includes a fixedly-arranged slide rail, two rollers arranged at two ends of the slide rail, a transmission belt which sleeves on the rollers, a slider arranged on the transmission belt, and a first motor which drives the rollers to rotate; the stretchable portion includes a fixing rod fixedly connected with the slider, a driving rod which is in rotary connection with one end of the fixing rod, a driven rod which is in rotary connection with the other end of the fixing rod, a connecting rod unit which is in rotary connection with the driving rod and the driven rod, and a second motor which is fixed at the side surface of the fixing rod and is in rotary connection with the driving rod; the first motor which drives the rollers to rotate and drives the transmission belt to carry out transmission, so that the slider can move on the transmission belt; and the second motor drives the driving rod to swing and drives the connecting rod unit to stretch, contract and swing. The present invention also provides a solar panel with the movable and stretchable device. The solar panel can move horizontally and can stretch and contract, so that solar energy can be fully utilized.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Display device bracket convenient to adjust

The invention discloses a display device bracket convenient to adjust. The display device bracket convenient to adjust comprises a shell and a movable frame body, wherein a clamping groove is formed in the upper end of the shell, and the clamping groove is provided with a matched U-shaped frame; the first end of the U-shaped frame extends into the clamping groove and is connected into the clampinggroove in a clamped mode, the second end of the U-shaped frame is connected to exterior of the shell in a clamped mode, and the top end of the U-shaped frame is connected to the top of the side wallof the shell in a clamped mode; extension plates are arranged on the two sides of the shell correspondingly, screw holes are formed in the extension plates, and the screw holes are provided with matched bolts; and the movable frame body comprises a connecting block and a supporting frame, the connecting block is connected with the second end of the U-shaped frame in rotatable and liftable modes, the supporting frame is arranged on the front end face of the connecting block, and a display device is arranged on the front portion of the supporting frame; the supporting frame comprises an upper supporting rod and a lower supporting rod, the upper supporting rod is arranged in a retractable mode, the first end of the upper supporting rod is hinged to the connecting block, and the second end ofthe upper supporting rod is hinged to the back face of the display device; and the first end of the lower supporting rod is fixedly connected with the connecting block, and the second end of the lowersupporting rod is hinged to the back face of the display device. According to the display device bracket convenient to adjust, different angles and heights of the display device bracket can be adjusted, hanging is convenient, installation is facilitated, and space occupation is reduced advantageously.
Owner:BEIHAI HUAYUAN ELECTRON CO LTD

Sewage treatment process and system

A sewage treatment process is provided, which includes the following steps: a) sewage feeding step, comprising introducing raw sewage into a biological reaction tank (1) to a predetermined time or liquid level; b) reaction step comprising performing aeration and stirring intermittently in the biological reaction tank (1); c) treated water discharging step, comprising performing solid-liquid separation of the mixed liquid in the biological reaction tank (1) by a membrane separation device (2) to obtain a first permeate, which is taken as the final treated water; d) standby step comprising stopping aeration in the biological reaction tank (1); and e) phosphorus-enriched water discharging step, comprising keeping anaerobic condition in the biological reaction tank (1) and performing solid-liquid separation of the mixed liquid in the biological reaction tank (1) by a membrane separation device (2) to obtain a second permeate, the second permeate entering inside a phosphorus recycling unit (5) which is set independent from the biological reaction tank (1), the phosphorus recycling unit (5) removing phosphorus from water, the second permeate becoming low-phosphorus water, and the low-phosphorous water flowing back to the biological reaction tank (1); the sewage treatment process runs in cycle by repeating above steps. A corresponding treatment system is also provided.
Owner:SUN YOUFENG

Production equipment of polyester fiber reinforced strip

InactiveCN111070616AImprove contact smoothnessReduce coveragePolyesterPolymer chemistry
The invention discloses production equipment of a polyester fiber reinforced strip. The production equipment structurally comprises a case, an extrusion port, a coating port, an extrusion cavity, a mixing cylinder, a polyethylene adding port, a speed reducer, a polyester fiber adding port and a case control speed reducer. A signal output end of the speed reducer is electrically connected with theextrusion cavity, an extrusion screw rod is arranged in the extrusion cavity, the extrusion cavity is provided with the polyethylene adding port and the polyester fiber adding port, the mixing cylinder is in horizontal communication with the interior of the extrusion cavity, and the end, opposite to the mixing cylinder, of the extrusion cavity is provided with the extrusion port and the coating port. A liquid collecting groove is matched with a roller core and an infusion system, the roller core rotates to open a closing disc and a closing rod by utilizing centrifugal force, a top block and aconnecting rod are hollow, and lubricant is infused from the inside of the top into the connecting rod to be diffused to the whole roller surface in a fine hole so as to play a role of lubricating theroller surface, the contact smoothness between the polyethylene and polyester fiber mixture and a strip roller is improved, the mixture coverage is reduced, and better extrusion is realized.
Owner:林国盛

Drying and degassing unit for printing machines

The invention provides a drying and degassing unit for printing machines. The unit includes a paper conveying roller and a heating tube, the paper conveying roller is composed of a roller body and two roller shafts installed on the both ends of the roller body respectively, and the roller body and the roller shafts all penetrate along an axis, wherein the two roller shafts are internally and fixedly provided with a third bearing and a fourth bearing respectively; the heating tube comprises a tube body and conducting rods installed on the both ends of the tube body respectively, the tube body is located inside the roller body, and the two conducting rods penetrate through the roller shafts and are fixed by the third bearing or the fourth bearing respectively; a rack is further provided with a degassing box positioned above the paper conveying roller, and the upper wall of the degassing box is provided with a gas introducing pipe, and the degassing box is communicated with an aspirator pump through the gas introducing pipe; a drying device is ingeniously installed inside the paper conveying roller, and constant-temperature heating supply is utilized to make the heat be evenly distributed, so that electric consumption can be reduced, drying processes of printing ink is more stable, and fast volatilization of organic components in the printing ink due to high temperature is reduced; additionally, waste gas produced during the drying processes is absorbed, filtered and then exhausted to the exterior to reduce pollution and protect environment.
Owner:GANZHOU CAISHENG PRINTING CO LTD

A surgical wire fixing device for nursing in an operating room

The invention relates to the technical field of medical instruments, and discloses a surgical wire fixing device for nursing in an operating room, which includes a base, the fixing frame includes a fixing shaft, a positioning plate and a clamping plate, and the inner left and right sides of the wire breaking device are There are chute, ventilation groove, guide groove and threaded column respectively, and the second magnet corresponding to the first magnet is arranged inside the disconnecting device, the lower end of the second spring is connected with a sliding disc, and the outer side of the sliding disc is connected with a rolling bearing , the outer side of the winding ring is provided with a wire groove. The knife holder drives the first magnet, the second magnet and the surgical wire to move upwards, the slider drives the sliding disc to move upwards through the second spring, and the winding ring rotates away from the threaded column. When the second magnet moves to the upper position of the chute, The first magnet is separated from the second magnet, and the end of the surgical thread is exposed at the left part of the disconnecting device. This structure solves the problem that the end of the thread cannot be automatically extended and the end of the thread is easy to fall off.
Owner:JILIN UNIV

Film conveying device for bagged preserved plum processing and production

The invention discloses a film conveying device for bagged preserved plum processing and production. A transmission connection device for mobile phone motherboard processing includes a transmission platform. A mounting and connecting column is arranged on the transmission platform. A linkage plate is arranged on one side of the mounting and connecting column. An inner clamping plate is arranged onone side of the linkage plate. An outer inner clamping plate is arranged on one side of the inner clamping plate. The device is connected to processing equipment by connecting connecting rods and inserting blocks in horizontal and vertical ways, and drives the processing equipment, and so the connection or disassembly of the device and the processing equipment are easier and more convenient, andthe disassembly efficiency is improved. The inserting blocks are directly inserted into clamping grooves in a clamping rotation disc, and so the swing speed of the inserting blocks is more stable anduniform when connecting to the processing equipment and swinging. According to requirements of the size and type of the connected processing equipment, the equipment clamping distance of the inner andouter clamping plates can be freely adjusted so as to ensure that the device can drives different mobile phone motherboard processing equipment and ensure the universality of adaptation. The device is convenient in operation, and the connection of all member is flexible.
Owner:刘康
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