44results about How to "Health problems" patented technology

The invention belongs to the technical field of laser cutting machines and discloses a multi-angle-adjustable bent plate laser cutting machine. The multi-angle-adjustable bent plate laser cutting machine comprises a workbench; two supporting plates are fixedly connected to the upper end of the workbench in a bilateral symmetry mode; the upper ends of the two supporting plates are fixedly connectedwith the same fixing frame; adjusting screw rods are rotationally connected to the left side and right side of the inner walls of the fixing frame, wherein the inner walls are opposite to each otherin a front-back direction; the rear ends of the adjusting screw rods penetrate out of the fixing frame and are fixedly connected with driven bevel gears; the rear side of the fixing frame is fixedly connected with a double-shaft motor; output shafts at the two ends of the double-shaft motor are fixedly connected with rotating rods; and the ends, away from the double-shaft motor, of the rotating rods are fixedly connected with driving bevel gears engaged with the driven bevel gears. The multi-angle adjustment and use of the laser cutting machine can be achieved, and the operation and use of thelaser cutting machine are convenient.

The invention discloses a television border polisher capable of mechanically and automatically polishing a liquid crystal display television border and having the advantages of high polishing efficiency, time and labor saving, better polishing quality and the like. The television border polisher comprises a base, a lower guide frame and an upper mounting frame, wherein the lower guide frame and an upper mounting frame are sequentially arranged above the base, a rotating motor is mounted on the upper surface of the base, the lower guide frame and the upper mounting frame are connected with an output shaft of the rotating motor, and the base is provided with a polishing device comprising a mounting column, a swing arm and a polishing disc. The mounting column is vertically fixed on the base, the swing arm is movably mounted on the mounting column, a swing driving device is arranged on the base, a mounting plate is fixedly mounted on the swing arm, a guide pulley matched with the side of the lower guide frame is fixedly mounted on the mounting plate, a polishing disc driving motor is vertically arranged on the swing arm, a polishing disc is sleeved with an output shaft of the polishing disc driving motor, the partial part of the circumference of the polishing disc is fitted to the liquid crystal display television border outside the upper mounting frame, and the circumference of the polishing disc is completely or partially a polishing side.

The invention relates to a control method of an air conditioner. The control method is characterized by comprising the following steps that 1, the preset temperature TP in operation parameters of theair conditioner is set; 2, the air conditioner is started to automatically select to operate in a heating function or a refrigerating function; 3, the start indoor temperature Tin0 at the operation start moment of the air conditioner is measured; 4, according to TP and Tin0, the initial automatic control temperature TA of the air conditioner is set, changes of indoor temperature Tin are monitoredin real time, and TA is gradually adjusted according to Tin changes till being equal to TP. By means of the control method of the air conditioner, indoor temperature can be rapidly, stably and automatically adjusted at a uniform speed, and the problem that operation is complex due to secondary adjusting, the problem that the user comfort degree is reduced since temperature is changed too rapidly and the problem that the service life is shortened due to long-time high-frequency operation of an air conditioner compressor are avoided.

The invention relates to the field of kitchen appliances, and discloses a control method and a control device used for an integrated cooker and the integrated cooker. Drying of tableware is realized by performing high temperature vapor disinfection on tableware in a disinfection cabinet, and discharging vapor in the disinfection cabinet by a range hood in the integrated cooker after disinfection is completed. Compared with the disinfection cabinet of the existing integrated cooker that the tableware are disinfected in a manner of ozone or high temperature heating with a heating pipe, the disinfection manner of the scheme is safe and environment-friendly, and the problems in the existing disinfection manner that the tableware are deformed due to high temperature baking and the health of thehuman body is affected due to leakage of ozone are avoided.

The invention relates to the technical field of sewage treatment, specifically to a filtering device for recovering wastewater of a papermaking enterprise. The filtering device comprises a wastewatercollection box, wherein two sides of the wastewater collection tank are respectively provided with a moving driving unit and a moving driven unit which are respectively arranged on the side walls of two ends of the wastewater collection box through two groups of fixed units; a supporting cross beam is arranged between the moving driving unit and the moving driven unit; a walking filtering unit isarranged on the supporting cross beam; one end of the wastewater collection box is connected with a wastewater outlet pipe through a pipeline; the other end of the wastewater collection box is connected with a cyclic utilization pipeline through a pipeline; and the interior of the wastewater collection box is also provided with a group of sediment treating units. According to the invention, centralized treatment of sewage is completed through a device, so the occupied land area of sewage treatment equipment is greatly reduced, and the treatment cost of a sewage treatment plant is reduced.

The invention provides a positioning device for the force line measuring angle of an osteotomy around a knee. The positioning device comprises an angled force line measuring rod, a fixing assembly, asupporting needle and clamping board bases; the angled force line measuring rod comprises a fixing rod, a first movable rod and a second movable rod; one surface of the fixing assembly is connected with one end of the fixing rod, the portion, located on the opposite surface of the connected surface of the fixing rod and the fixing assembly, on the fixing assembly is movably connected with one endof the first movable rod, and the other end of the first movable rod is pivoted on the second movable rod through a pivoting shaft; the supporting needle penetrates a thighbone or shin bone of a lowerlimb of a human body, and the two ends of the supporting needle are fixed onto the clamping board bases; the fixing assembly is located above the lower limb and movably connected with the clamping board bases. The device has the advantages that a product is simple to operate, convenient to use, stable and reliable; surgical time is shortened, the precision of osteotomy orthopaedics is improved, and the number of times of fluoroscopy and the radiant quantity are greatly reduced, so that it is avoided that the patient and doctors receive too much radiation, so that physical health is affected.

The invention belongs to the field of animal husbandry electronics, and particularly relates to a safe anti-bacteria electronic ear tag for animal husbandry, which comprises a main tag body, an ear tag neck and an auxiliary tag body, a liquid storage cavity is formed in the auxiliary tag body, and a deformation plate is fixedly mounted on one side, far away from the ear tag neck, of the main tag body and is arranged in an arc-shaped line protruding outwards; a horizontally-arranged threaded rod is fixedly connected to the side wall of the deformation plate, a threaded barrel is rotationally connected to the side wall, away from the deformation plate, of the main tag body, the threaded rod extends into the threaded barrel and is in threaded fit with the threaded barrel, a plurality of fan blades are arranged on the circumferential side wall of the threaded barrel in an annular array mode, and a wire coil is wound around the fan blades. According to the electronic ear tag, when livestockextrudes and rubs against each other, the elastic air bag can eject disinfectant to disinfection through holes, breeding of bacteria and virus is prevented, the health of the livestock is prevented from being affected, meanwhile, the livestock can be forced to continue to extrude and rub the electronic ear tag through whistling, and the problems that a wound is torn and the electronic ear tag falls off are avoided.

The invention relates to the technical field of circuit board processing, and discloses spot welding equipment for PCB production. The spot welding equipment comprises a base, and two supporting plates are symmetrically and fixedly connected to the upper surface of the base. The upper ends of the two supporting plates are fixedly connected with the same connecting plate; the lower surface of the connecting plate is fixedly connected with a hydraulic push rod; the output end of the hydraulic push rod is fixedly connected with a spot welding gun; two working cavities are formed in the base, andmoving structures are connected into the working cavities; connecting holes are formed in the upper surface of the base; each moving mechanism comprises a handle and a sliding cylinder; the handles extend out of the base through the connecting holes; and sliding holes are formed in the surface of the base. A PCB can be fixed between the two clamping plates from the upper portion, so that the situation that due to the fact that left-right clamping is not firm enough, up-down fluctuation occurs in the welding process is avoided, an air suction cover can be moved circularly in the spot welding process, and the smoke adsorption area is increased.

The invention relates to the technical field of medical equipment, and discloses an injection device for diabetic patients, a rubber piston is arranged in an injection cylinder, a push plate is fixedly mounted at the top of the rubber piston, the center of the bottom of the injection cylinder is communicated with a connecting pipe, and an auxiliary injection device is arranged outside the connecting pipe; an injection needle is arranged outside the injection opening in a sleeving mode, an auxiliary propelling device is arranged at the top of the injection cylinder, scale marks are additionally arranged outside the injection cylinder, the purpose of automatic propelling injection can be achieved through the additionally-arranged auxiliary propelling device, and the situation that the injection depth is not in place due to hand shaking or hand softness of a middle-aged and elderly patient in the injection process is avoided. The problems that the treatment effect of medicine is reduced, and the body health of a patient is affected are solved, through the additionally-arranged auxiliary injection device, the injection needle can be protected, the psychological burden of the faint patient during injection is relieved, and the injection effect of the medicine is guaranteed.

The invention discloses anti-formaldehyde mineral paint which is prepared from the following components in parts by weight: 1 to 5 parts of cellulose, 1 to 5 parts of bentonite, 1 to 5 parts of a multi-functional amine adjuvant, 3 to 8 parts of a dispersing agent, 0.1 to 2 parts of a wetting agent, 0.2 to 3 parts of a preservative, 1 to 6 parts of a defoaming agent, 5 to 30 parts of propylene glycol, 180 to 300 parts of titanium dioxide, 30 to 150 parts of triple superphosphate, 10 to 50 parts of kieselguhr, 150 to 500 parts of emulsion, 30 to 150 parts of hollow microsphere polymer emulsion, 0.5 to 3 parts of a leveling agent, 1 to 6 parts of a thickening agent and 100 to 300 parts of water. The anti-formaldehyde mineral paint overcomes the defects of existing anti-formaldehyde coating, can effectively decompose formaldehyde and thoroughly clear away formaldehyde and is more environmentally-friendly.

The invention discloses a special nursing bed with a self-cleaning function for the infectious disease department, and relates to the technical field of nursing beds. The bed comprises a bed body, a sterilization device is arranged on the front face of the bed body, a bed board device is arranged in the bed body, a ventilation device is arranged below the bed board device, the bed board device comprises a fixing shell, the fixing shell is fixedly installed at the bottom of the bed body, and protruding block plates are fixed to the front face and the back face of the fixing shell. A two-way threaded rod is rotationally mounted in the fixing shell, and threaded blocks are in threaded connection with the left side and the right side of the two-way threaded rod correspondingly. According to the invention, through cooperation of the convex blocks of the elastic arc plate and the convex blocks of the convex block plate, the convex blocks of the convex block plate abut against the elastic arc plate to vibrate, the elastic arc plate drives the elastic plate to vibrate, the elastic plate drives the knocking rod to knock the inner wall of the hollow bed plate, and the hollow bed plate vibrates and shakes off dust attached to the hollow bed plate, so that the purpose of self-cleaning the surface of the hollow bed plate is achieved.

The invention discloses a bottom finishing equipment for the production of straight glass water cups, which includes a workbench, a receiving groove is opened in the middle part of the top of the working table, and installation columns are welded equidistantly on the inner wall of the receiving groove, and the receiving groove The inner cavity of the workbench is provided with a fixing mechanism, the two sides of the top of the workbench are welded with lifting columns, the middle part of the outer side of the lifting shaft is sleeved with a mounting sleeve, and the middle part of the opposite side of the mounting sleeve is welded with a beam. Movable sleeves are sleeved on both sides of the outer side of the beam, and relate to the technical field of glass water cup processing. The bottom finishing equipment for the production of straight glass water cups can carry out batch bottom grinding operations on glasses to improve production efficiency. Individual bottom grinding operations for each glass can also ensure the safety of glass water cups and improve the yield rate. This equipment is in use When it is used, the internal dust can be isolated from the outside world, so as to meet the requirements of environmental protection and avoid accidental contact to ensure the safety of the operator's life.

The invention relates to the technical field of clean keeping equipment, and discloses a movable clean keeping device for municipal roads. The movable clean keeping device includes a box body, the inner side of the box body is sequentially provided with an ash collecting chamber, a water storage chamber and a placing chamber, a fixed plate is fixedly connected to the outer wall of the left side ofthe box body, the lower end of the fixed plate is fixedly connected to one same fixed box through two symmetrically-arranged electric push rods, and the inner walls of the upper and lower opposite sides in the fixed box are rotationally connected with a plurality of gears meshed with each other front and rear through rotating shafts. The lower ends of the rotating shafts penetrate and extend outof the lower end of the fixed box and are fixedly connected with a broom head, the upper end of the fixed box is fixedly connected with a driving motor, an output shaft of the driving motor is fixedlyconnected with the upper end of one of the rotating shafts, and the outer wall of the fixed box is fixedly connected with a suction hood through a connecting rod of an L-shaped structure. The movableclean keeping device for the municipal roads has the advantages that flying dust during cleaning can fall, the problem that raise dust flies and influences the body health of a worker is solved, thecleaning efficiency is improved, and use is facilitated.

The invention discloses a drilling machine for dust-free woodworking for high-grade furniture and a machining process of the drilling machine. The drilling machine is provided with a supporting frame, a dust removing component and a drilling tool feeding mechanism, wherein the lower end of the supporting frame is fixedly connected to a dust collecting groove; the supporting frame is fixedly connected to one side of the bottom end in the dust collecting groove; an ash removing mechanism is arranged at the lower end in the dust collecting groove; the two sides of the bottom end of the interior of the dust collecting groove are each fixedly connected to a fixed base; the two fixed bases are fixedly connected to an X-axis plate feeding mechanism; the X-axis plate feeding mechanism is connected to a Y-axis plate feeding mechanism; the Y-axis plate feeding mechanism is connected to a movable base; and the upper end of the movable base is connected to a plate clamping mechanism. According to the drilling machine for dust-free woodworking for the high-grade furniture and the machining process of the drilling machine, the position of the plate can be flexibly adjusted, a drilling tool can conduct drilling operation on the plate conveniently, in the process of conducting continuous drilling operation on a plurality of drilling positions on the same axis of the plate, the working efficiency can be greatly improved, and the operation is convenient; and meanwhile, wood chips and dust can be collected, so that environmental pollution and influence on operation are avoided.

The invention discloses an efficient and energy-saving intelligent paint spraying system, and particularly relates to the technical field of paint spraying. The efficient and energy-saving intelligentpaint spraying system comprises an automatic paint spraying chamber, a paint spraying mechanism is arranged in the automatic paint spraying chamber, and leveling chambers are formed in the two sidesof the automatic paint spraying chamber correspondingly; and a wiping-up chamber is formed in one side of each leveling chamber, the automatic paint spraying chamber, the leveling chambers and the wiping-up chambers are each internally provided with a plurality of conveying rollers, and ventilation pipelines are arranged at the tops of the automatic paint spraying chamber, the leveling chambers and the wiping-up chambers correspondingly. By arranging the paint spraying mechanism, a scraping mechanism, a carton module and a filtering bag, the manpower resource needed by the efficient and energy-saving intelligent paint spraying system is few, the labor cost is lowered, meanwhile paint material recovery and paint mist removal can improve the quality of the working environment, the situationthat worker enters the automatic paint spraying chamber can be avoided fundamentally through automatic paint spraying, thus the problem that the body health of the worker is influenced by paint mist is avoided, and thus the actual using effect of the efficient and energy-saving intelligent paint spraying system is good.

The invention discloses a big data-based workbench for enterprise scientific and technological innovation layout regulation and discussion, and relates to the technical field of enterprise discussionworkbenches. The big data-based workbench comprises a workbench body, a workbench top, a lifting plate, a file moving mechanism, a discussion equipment assembly, a lifting mechanism and an air purification mechanism; the workbench top is fixed to the top of the workbench body, and a row of air inlet holes distributed at equal intervals are formed in the side face of the workbench body. By arranging the lifting plate, the lifting mechanism, the large display screen, the camera and the loudspeaker, remote layout regulation and discussion of the workbench can be achieved; by arranging the file moving mechanism, files can be conveniently transmitted on the workbench; by arranging the air purification mechanism, the periphery of the workbench can keep fresh air, long-time discussion is facilitated; and by arranging the scanning device, the adjustable small display screen, the boss, the name placing plate and the microphone, the workbench is diversified in function and high in intelligence.

The invention discloses a dust fall type surface waste removing device for building construction formwork recycling. The waste removing device comprises a body, a collector, an operation table, a matching frame and a limiting block, wherein the collector is installed in the body, a filter plate is installed in the collector, installation frames are installed on the two sides of the upper portion of the body, the matching frame is installed above the operation table, guide grooves are formed in the lower bottom face of a bracket, filter screens are installed on the two sides of a guide block, an ejector rod is installed in the bracket, and a clamping device is installed on the left side of the bracket. The dust fall type surface waste removing device for building construction formwork recycling is provided with a wiper, a scraper and a spray head, cement residues attached to the surface of a used building formwork can be removed under the action of the scraper and the spray head through the arrangement, so that subsequent use is facilitated, and the wiper can wipe the surface of the cleaned building formwork, so that redundant water is removed.

The invention provides a coal transportation discharge method and device, and belongs to the technical field of coal transportation. The technical scheme is that the coal transportation discharge device comprises a transportation system, a moving system and a discharge system. The coal transportation discharge device has the beneficial effects that the coal transportation discharge device can avoid road obstacles, is small in size and flexible in motion, is not liable to crash other facilities in an orbit, and can be prevented from turning over due to an unstable gravity center, when coal is transported through the transportation system to a position where coal needs to be discharged, coal is discharged through the moving system and the discharge system, the problems that coal needs to bemanually carried and discharge wastes time and effort are solved, and the problem that health is affected as workers inhale coal dust is solved.

The invention discloses a multifunctional LED office lighting lamp. The lamp comprises a lamp body, a camera, a small air purifier, an ash pan and a pen box, the small air purifier is arranged on the position, close to one side of a lighting lamp switch, of the lower end of the lamp body, the camera is arranged on the position, close to the interior of a lamp holder, of the upper end of the lamp body, and the pen box is arranged on the front surface of a base in an embedded mode. The lamp is scientific and reasonable in structure and safe and convenient to use; by arranging the small air purifier, dust and bacteria in air inside an office can be purified, and the air environment inside the office can be improved; by arranging the ash pan, when a user takes cigarette breaks, cigarette ash is stored conveniently; by arranging the pen box, pens can be placed in pen slots, and cleanliness of the pens can be kept; by arranging the camera and a memory card slot, when the user is not in the office, the office can be monitored, and a protective measure is added for the office of the user.

The invention discloses detection equipment for water treatment. The detection equipment comprises a shell and a cantilever plate; the shell is fixedly mounted at one end of the top surface of the cantilever plate, a water quality detector is fixedly mounted in the shell through a fixing rod, and connectors are mounted on the bottom surface of the water quality detector; a dissolved oxygen probe, an electrical conductivity probe and a pH probe are sequentially arranged below the cantilever plate from left to right; the dissolved oxygen probe, the electrical conductivity probe and the pH probe are connected with plugs through wires respectively, the wires penetrate through the cantilever plate and are in sliding connection with the cantilever plate, and the plugs are located under the connectors respectively. The detection equipment has the beneficial effects that a first electric push rod, a second electric push rod, a third electric push rod and a fourth electric push rod are remotely started to complete switching of the pH probe, the electrical conductivity probe and the dissolved oxygen probe; detection is carried out through the water quality detector, and a result is sent to a host, so that a worker does not need to go to the site to carry out on-site operation, operation can be carried out anytime and anywhere, and the detection equipment is more convenient and simpler to use.

The invention discloses bottom fine processing equipment for producing straight-drum-type glass cups, and relates to the technical field of processing of glass cups. The equipment comprises a workbench, accommodating grooves are formed in the middle of the top of the workbench, mounting pillars are equidistantly welded to the inner walls of the accommodating grooves, and a fixing mechanism is arranged in an inner cavity of the accommodating grooves; lifting pillars are welded to the two sides of the top of the workbench, mounting sleeves sleeve the middles of the outer sides of lifting shafts,a transverse beam is welded to the middles of the opposite sides of the mounting sleeves, and movable sleeves movably sleeve the two sides of the outer side of the transverse beam. According to the bottom fine processing equipment for producing the straight-drum-type glass cups, the glass cups can be subjected to batched bottom-grinding work, the production efficiency is improved, separate bottomgrinding work is conducted for each glass cup, the safety of the glass cups can also be guaranteed, and the finished product rate can be increased; when the equipment is in use, internal dust can beisolated from the outside, the requirement for environmental protection is met, touch by mistake can be avoided, and the life security of operators can be guaranteed at the same time.

The invention relates to a multifunctional electric four-wheel-drive working platform. A three-point suspension mechanism is fixed to the rear portion of a platform body, and a connecting arm fixing table and a seat are fixed to the upper end of the platform body. A hydraulic oil cylinder is arranged below the seat and then is connected with a three-point suspension mechanism; the battery pack is connected with a remote control device receiver and a controller, the controller is connected with a motor, and the motor is connected with a right-angle gearbox; the right-angle gear box is connected with an electromagnetic clutch type gear pump which is connected with a left steering clutch slave cylinder and a right steering clutch slave cylinder. The right-angle gearbox is further connected with a left single-side locking steering gearbox, and the left single-side locking steering gearbox is connected with a reverse and forward gear conversion gearbox. The reverse gear and forward gear conversion gearbox is connected with a right side single-side locking steering gearbox; the left and right single-side locking steering gearboxes are respectively provided with a right driving chain wheel and a left driving chain wheel; the left and right driving sprockets are connected with the driven sprockets and then connected with the walking wheels. The machine is diversified in function, turning is convenient and fast, and different field operation requirements can be met.

An atomization assembly and an electronic cigarette, wherein the atomization assembly includes an oil cup assembly and an atomization core arranged in the oil cup assembly, the oil cup assembly has an oil storage cavity (24) for containing smoke oil; the atomization core Comprising an atomization seat (15) and a heating wire assembly (13), the atomization seat (15) is provided with a smoke channel (154) for the circulation of the smoke obtained by atomization, and the heating wire assembly (13) is arranged in the smoke channel ( 154), the heating wire assembly (13) includes a heating wire (132) for heating atomized e-liquid; the atomization core also includes a heating wire (132) for isolating the atomization seat (15) and the heating wire (132) The insulating tube (14), the insulating tube (14) is inserted in the atomizing seat (15), and supports the heating wire assembly (13) along the longitudinal direction of the atomizing seat (15). The atomization component and the electronic cigarette have the advantages of avoiding short circuit, strong impact resistance, and not easy to be damaged.

The invention provides a rice washing device which comprises a rice feeding device, a driving device and a fan, the rice feeding device comprises a shell, a rice inlet and a first rice outlet are formed in the shell, and the conveying mechanism is arranged in the shell and suitable for pushing dry rice at the rice inlet to the first rice outlet; the driving device is suitable for driving the conveying mechanism; and the air inlet channel is connected with the shell and the fan. A conveying mechanism is arranged in the shell. The automatic transportation of rice grains is realized; the rice grains are rubbed and contacted with one another; the rice is equally separated from impurities in the rice; the air inlet duct is arranged on the shell by a fan; impurities in the shell are sucked and blown away; and the cleaning effect is achieved. Through the arrangement, on one hand, dry cleaning is realized; the defect that wet rice residues are difficult to clean is overcome, the problem that the body health of a user is affected after the residual wet rice is mildewed is solved, in addition, the rice washing amount can be calculated according to the conveying speed of the conveying mechanism and the rice conveying amount in unit time, the automatic rice measuring function is achieved, the structure is reliable, and disassembly and assembly are convenient.

The invention discloses a wall surface polishing device, and relates to the technical field of building equipment. The wall surface polishing device comprises a polishing device body, a motor, a polishing mechanism, a dust collecting box, an opening and closing plate, an elastic telescopic rod and a dust removing mechanism, wherein the motor is fixed on the left side of the polishing device body, the dust collecting box penetrates through and slides on the left side of the polishing device body, the polishing mechanism used for polishing a wall surface is arranged on the right side of the interior of the polishing device body, the dust removing mechanism is arranged on the left side of the polishing mechanism, the opening and closing plate is hinged to the inner wall of the polishing device body, and the elastic telescopic rod is fixed on the outer side of an output shaft of the motor. According to the wall surface polishing device, the polishing mechanism is arranged, so that the elastic rod abuts against an abutting plate, then the abutting plate pushes a polishing plate to be tightly attached to the wall surface, the wall surface is polished, then the purpose that when dead corners of the wall surface are polished, polishing can be carried out without additionally replacing tools is achieved, and the working efficiency of the polishing device is improved.

The invention relates to the technical field of sewage treatment, specifically to a filtering device for recovering wastewater of a papermaking enterprise. The filtering device comprises a wastewatercollection box, wherein two sides of the wastewater collection tank are respectively provided with a moving driving unit and a moving driven unit which are respectively arranged on the side walls of two ends of the wastewater collection box through two groups of fixed units; a supporting cross beam is arranged between the moving driving unit and the moving driven unit; a walking filtering unit isarranged on the supporting cross beam; one end of the wastewater collection box is connected with a wastewater outlet pipe through a pipeline; the other end of the wastewater collection box is connected with a cyclic utilization pipeline through a pipeline; and the interior of the wastewater collection box is also provided with a group of sediment treating units. According to the invention, centralized treatment of sewage is completed through a device, so the occupied land area of sewage treatment equipment is greatly reduced, and the treatment cost of a sewage treatment plant is reduced.