20results about How to "Avoid polluting the environment" patented technology

The utility model discloses a water supply treatment device for metal product processing, which comprises a box body, a mixing box and a filter box are respectively fixed on two sides in the box body, a pipeline is connected between the mixing box and the filter box, a stirring cavity is arranged in the mixing box, and a stirring shaft is rotatably connected to the middle position in the stirring cavity. And a plurality of stirring blades are fixed on two sides of the stirring shaft body. According to the sewage treatment device, a pre-treatment structure is arranged, sewage is guided into the mixing box through the liquid inlet pipe, a flocculation reactant is added into the mixing box through the flocculant pipe, most impurities in the sewage can be filtered through flocculation reaction, the burden of the filter box is relieved, a filter screen of the filter box is not prone to being blocked, and the service life of a product is prolonged; the filter screen does not need to be replaced frequently, meanwhile, a multi-layer filter structure is arranged in the filter box, treated sewage is cleaner and then is sent back to a processing position through the return pipe to be reused, the purpose of saving water is achieved, and meanwhile the problem that a large amount of sewage flows out to pollute the environment is solved.

The utility model discloses a mud-water separation system of a three-stage sedimentation tank for construction sewage of a TBM (Tunnel Boring Machine). The mud-water separation system comprises a sedimentation tank, a middle water tank, a clean water tank, a mud conveying pump, a mud conveying hose, a plurality of inter-pump butterfly valves, a plate-and-frame filter press, an electric control cabinet and the like. In the construction process, sewage continuously flows in from a sewage port of a sedimentation tank, each butterfly valve is opened, an electric control cabinet controls a slurry conveying pump to convey slurry into a slurry pressurizing pump when the slurry rises to a set height, and a control system controls the slurry pressurizing pump to input the slurry into a plate-and-frame filter press according to a pressure set value of a diaphragm type electric contact pressure gauge; under the action of pressure, water in the slurry is collected into a clear water tank through filter cloth of each filter chamber and flows into a clear water tank through a clear water recovery steel pipe, the dehydrated silt is pressed into mud cakes, and the mud cakes fall onto a waste conveying belt of a TBM (Tunnel Boring Machine) under the action of gravity and are conveyed to a waste field outside a tunnel, and the clear water in the clear water tank can be recycled; residual clear water can be continuously discharged out of the hole by a clear water pump.

The utility model belongs to the technical field of coal coking waste, particularly relates to a collecting and treating device for VOCs (volatile organic compounds) gas in a coal coking waste water pool, and provides the following scheme aiming at the problems that the treated gas does not reach the standard and must be discharged to the atmosphere to cause environmental pollution due to the fact that the existing equipment is not provided with a waste secondary reflux structure. A filtering structure is arranged in the treatment box, a liquid supply structure is arranged at the bottom end of the interior of the treatment box, the filtering structure comprises six bearing plates symmetrically welded to the two sides of the interior of the treatment box, and first filtering plates are mounted at the tops of the two bearing plates at the top in the six bearing plates through bolts. According to the utility model, the detector is arranged in the exhaust port, so that the gas concentration detection behavior is realized in real time, and once the gas concentration is detected to be substandard, the gas is conveyed to the gas collection port through the return pipe, so that the secondary treatment behavior is realized, the quality of the exhausted gas is effectively improved, and the problem of environmental pollution is avoided.

The invention provides a wafer claw using a flexible hinge, and relates to the technical field of silicon wafer conveying devices. The sheet claw comprises a driving assembly and an adsorption assembly, the driving assembly comprises a base and a driving piece, the driving piece is used for driving the adsorption assembly to ascend and descend, the driving piece comprises a fixed part and a movable part, the fixed part is fixedly connected with the base, and the movable part is fixedly connected with the adsorption assembly; the sheet claw further comprises a plurality of fixing bases which are evenly arranged around the axis of the movable part, and a flexible hinge is connected between each fixing base and the movable part. The flexible hinge comprises at least one branch chain, each branch chain comprises at least one flexible piece, and the flexible pieces extend in the direction perpendicular to the lifting direction of the adsorption assembly. The wafer claw can achieve the guiding effect of a linear bearing, does not use a lubricant, can avoid the situation that grease volatilizes in high-vacuum and ultrahigh-vacuum environments to generate particles to pollute the environment and silicon wafers, and does not have the problem of gas leakage.

The utility model relates to battery disposal equipment technical field provides a kind of waste battery disposal cabinet, the disposal cabinet includes cabinet, cover and insulating pad. Among them, cabinet includes bottom wall and side wall, and the first end of side wall is connected with bottom wall and forms accommodating cavity;Cover is detachably covered in the second end of side wall, is suitable for covering accommodating cavity;Insulating pad is pasted on the side of bottom wall and side wall towards accommodating cavity.The waste battery disposal cabinet provided by the utility model, by setting up the cabinet with bottom wall and side wall, the first end of side wall is connected with bottom wall and forms accommodating cavity, waste battery can be placed in accommodating cavity;Cover is detachably covered in the second end of side wall, so that cover can cover accommodating cavity, and insulating pad is pasted on the side of bottom wall and side wall towards accommodating cavity;Make the disposal of waste battery safer, not easy to collide, more cannot be damaged due to collision, so that liquid leakage phenomenon cannot occur, can avoid pollution environment and fire accident, also can prevent the occurrence of electric leakage accident.

The utility model discloses a stainless steel strip polishing device capable of enhancing the surface heat dissipation efficiency, and relates to the technical field of stainless steel strip polishing. The device comprises an outer box, an inner box, a mounting frame, a first motor and a second motor, the inner box is arranged in the outer box, a stainless steel belt is conveyed in the inner box, the mounting frame is arranged in the inner box, and two sets of symmetrically-distributed transmission rollers are rotationally mounted in the mounting frame; the outer wall of the transmission roller is sleeved with a polishing belt attached to the two ends of the stainless steel belt, cooling water higher than the stainless steel belt is arranged in the inner box, stroke openings higher than the upper end of the outer box are formed in the two ends of the inner box, and the stainless steel belt penetrates through the stroke openings in a sliding mode. The outer wall of the linkage chain wheel is sleeved with a chain. The stainless steel strip polishing device is immersed in cooling water to polish a stainless steel strip, so that the problem of low cooling efficiency caused by insufficient heat carrying capacity of air is solved.

This utility model discloses a firecracker solid ignition dust recovery device, relating to the field of firecracker production technology. The device includes a recovery box with an air inlet on its left side, a support frame installed at the bottom of the outer side of the box, a fan installed at the top of the rear side of the box, and a top cover. A filter assembly is installed inside the upper part of the recovery box; a discharge assembly is installed at the bottom of the box; and a dust collection assembly is installed inside the air inlet, including a diverter pipe installed inside the air inlet. This utility model, through the combined use of the dust collection and dust removal components, facilitates the collection of solid ignition dust scattered during firecracker assembly, avoiding the problem of dust pollution caused by scattered solid ignition. The pleated filter cartridge facilitates the filtration of the solid ignition, improving the recovery efficiency of the device.

The utility model discloses a medical surgical disinfection, dressing change and waste storage device which comprises a placing table, a placing assembly for placing articles is arranged at the top of the placing table, and a collecting piece for collecting waste is arranged on one side of the placing table. The collecting piece comprises a moving block arranged on one side of the containing table and a moving part used for moving the collecting piece into the containing table. Through the design of the moving blocks, the positioning grooves, the gauze collecting boxes and the moving parts, one moving block is firstly taken out during use, then one gauze collecting box is put into the positioning groove in the top of the moving block, used gauze is put into the gauze collecting box during operation, and when the gauze collecting box is full, the gauze collecting box is moved into the placing table, so that the gauze collecting box is placed in the placing table. And then new moving blocks and gauze collecting boxes are taken out to contain the gauze, so that the number of the used gauze is calculated according to the number of the used gauze collecting boxes, and the situation that the gauze is removed to pollute the environment when the gauze is counted is avoided.

The utility model relates to the technical field of melamine tableware processing, and discloses a polisher for melamine tableware, which comprises a polishing table and a polishing device mounted above the polishing table and used for polishing the melamine tableware, and further comprises a fixing frame fixed above the left side and the right side of the polishing table, a threaded rod is rotationally connected into the fixing frame. The polishing machine has a waste recovery function, can effectively collect scraps and waste generated in the polishing process, avoids the problems that the waste is scattered and pollutes the environment, can greatly reduce the generation of the waste and reduce the negative influence on the environment through centralized treatment and recovery, meets the requirements of green production and sustainable development, and is worthy of popularization and application. And in the recycling process, the polishing machine can synchronously screen the waste materials, follow-up recycling is facilitated, the utilization rate of the waste materials can be increased, the requirement for new raw materials is reduced, the production cost can be reduced, and effective recycling of resources is achieved.

The servo electric cylinder comprises a motor end cover, a motor shell, a motor stator, a motor rotor, a motor supporting cover, an angular contact bearing, a radial bearing, a ball screw, a screw nut, a linear guide rail, a guide rail sliding block, an electric cylinder supporting seat and an electric cylinder rod. The motor end cover is connected with the motor shell; the motor shell is connected with the motor supporting cover; the lead screw nut is installed on the ball screw, rotates along with the ball screw and reciprocates on the ball screw. And the angular contact bearing, the motor rotor and the radial bearing are sequentially mounted on the mounting part. When the ball screw rotates, the screw nut, the guide rail sliding block and the electric cylinder rod form a linear motion pair. The invention further discloses a servo electric cylinder magnetic field pressing machine which comprises a pressing machine frame, an upper pressing head assembly, a lower pressing head assembly, a mold device and two servo electric cylinders. An electric cylinder supporting seat of the servo electric cylinder is connected with the press frame; a cylinder rod of the electric cylinder penetrates through the press frame to be connected with the upper pressing head assembly and the lower pressing head assembly.

The gravel homogenizing and spreading device comprises a feeding box, a rotating motor and a collecting frame, a traction rod is fixed to the lower portion of the side face of the feeding box, a feeding port is formed in one side of the upper portion of the feeding box, and a first through hole is formed in one side of the lower portion of the feeding box; a first through hole is formed in the upper portion of the feeding box, a discharging opening is fixed to the position, corresponding to the first through hole, of the lower portion of the feeding box, a connecting shaft is rotationally connected to the position, located on one side of the feeding opening, of the upper portion of the feeding box, a rotating motor fixed to the surface of the feeding box is fixed to the end of the connecting shaft, a fixing cylinder is fixed to the surface of the connecting shaft, and smashing teeth are evenly fixed to the surface of the fixing cylinder. Fixing teeth are fixed to the positions, staggered with the smashing teeth, of the inner wall of the feeding box. According to the broken stone homogenizing and spreading device, through the use of the dust falling assembly, spraying dust falling can be conveniently conducted on the feeding port and the two ends of the discharging port, and the problem that dust generated after broken stone smashing and dust generated after discharging are splashed into the air, and the environment is polluted is solved.

The invention discloses an attached supporting type water operation platform for construction of a bridge widening pile foundation in a river channel and a construction method of the bridge widening pile foundation in the river channel. Vertically driving four steel pipe piles which are distributed in a rectangle and constructed in a stable soil layer at the bottom of the river channel into a planned bridge widening pile foundation area covering the river channel; the platform frame comprises longitudinal beams and two cross beams, the longitudinal beams are installed on two steel pipe piles parallel to the bridge direction in the same straight line direction in a hoisting mode, the two cross beams are installed on the longitudinal beams in a hoisting mode in the transverse bridge direction, one end of each cross beam is anchored to a bridge floor steel bar of an original bridge, and the other end of each cross beam is overhung to the position outside a bridge splicing widening pile foundation area; the platform plate is laid on the platform frame; and the guardrail is vertically constructed on the periphery of the platform frame. The method has the advantages of being low in cost, short in construction period, energy-saving and environment-friendly.

The application relates to the technical field of seedling raising equipment, and discloses a vertical seedling raising facility, which comprises a seedling raising frame, the front end bottom of the seedling raising frame is provided with a plug tray feeding and discharging frame, a bottom arc-shaped groove seat is fixed in the plug tray feeding and discharging frame, a top arc-shaped groove seat is rotationally connected to the middle part of the front end of the bottom arc-shaped groove seat through a driving assembly, and the driving assembly is connected with a scraping assembly on the bottom arc-shaped groove seat through a clutch assembly; when the plug tray placing frame moves into the bottom arc-shaped groove seat, the driving assembly drives the top arc-shaped groove seat to rotate and close above the bottom arc-shaped groove seat, the spraying assembly on the top arc-shaped groove seat sprays the seedlings on the plug tray placing frame, then the driving assembly drives the top arc-shaped groove seat to rotate in the reverse direction and open, at this time, the clutch assembly drives the scraping assembly to rotate and scrape the impurities falling into the bottom arc-shaped groove seat. The application blocks the pollution source from the whole process of collection and cleaning through the cooperative design of the bottom arc-shaped groove seat, the top arc-shaped groove seat and the scraping assembly.

The application discloses a treatment method of tin smelting waste acid sewage and intermediate slag, and comprises the following specific steps: (1) after limestone is added into tin smelting waste acid sewage to adjust the pH value to 10-11, solid-liquid separation is carried out to obtain first arsenic-containing gypsum slag and first filtrate; (2) the first filtrate is subjected to an oxidation reaction, iron salt is added and stirring reaction is carried out, then solid-liquid separation is carried out to obtain second arsenic-containing gypsum slag and second filtrate, and the second filtrate can be discharged or recycled; (3) the first arsenic-containing gypsum slag, the second arsenic-containing gypsum slag and pyrite are uniformly mixed and then sent into a fuming furnace for treatment; the method can realize stable and standard discharge or recycling of the waste acid sewage and harmless utilization of the intermediate slag.

The invention relates to an environment-friendly antibacterial PP plastic and a preparation process thereof, and belongs to the technical field of high polymer materials. The preparation method comprises the following steps: pretreating the PP powder, stirring the pretreated PP powder, the bacteriostatic agent, the white oil and the stabilizer in a high-speed stirrer to obtain a mixed raw material, adding the mixed raw material into a double-screw extruder, carrying out melt extrusion, carrying out cold drawing granulation, and carrying out injection molding to prepare a sample. The antibacterial agent is a mixture of polylysine hydrochloride, polylysine citrate and natamycin, and the stabilizer is a mixture of phosphite and any one of 2, 6-di-tert-butyl-4-methylphenol, bis (3, 5-di-tert-butyl-4-hydroxyphenyl) thioether and tetrakis [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, and the stabilizer is a mixture of phosphite and any one of 2, 6-di-tert-butyl-4-methylphenol, bis (3, 5-di-tert-butyl-4-hydroxyphenyl) thioether and tetrakis [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester. According to the production formula and the preparation process provided by the invention, the problem that toxic substances are easily generated to pollute the environment in a solution grafting method is avoided, the problem that the strength of a product is easily reduced in an existing melting method is also solved, and meanwhile, good antibacterial performance is also achieved.

The dust falling hopper comprises a box body and a plurality of groups of lifting lugs arranged on the surface of the box body, and further comprises a water filtering module and a dust blocking module which are arranged on the box body, the dust blocking module comprises sliding rods, pull rings, a dust screen and a containing assembly, the sliding rods and the pull rings are arranged on the upper portion of the box body in pairs, the sliding rods are arranged along the edge of the side wall of the box body, and the dust screen is arranged on the containing assembly. The pull rings are slidably connected to the sliding rods, the pull rings are fixed to the edge of the dustproof net, the storage assembly is fixedly arranged on the upper portion of the box and located at the ends of the sliding rods, the dustproof net and the storage assembly are fixed, the water filtering module comprises a water filtering hole and a water valve, the water filtering hole is formed in the lower portion of the box, and the water valve is arranged on the outer side, corresponding to the water filtering hole, of the box in a communicating mode. The device is used for solving the problems that dust of loaded materials is raised, and material residues washed down from a tank car discharging opening are prone to water accumulation.

The invention relates to an atomizer cooling device which comprises a base, an upper box body and a lower box body, a vertical partition plate is arranged in the upper box body and divides the upper box body into a first cavity and a second cavity, a first cooling assembly is arranged in the first cavity, a second cooling assembly is arranged in the lower box body, and a third cooling assembly is arranged in the second cavity. The atomizer has the advantages that the temperature sensor collects temperature signals of lubricating oil in the atomizer in real time and transmits the temperature signals into the controller, and the controller receives the temperature signals and controls starting of the first cooling assembly, the second cooling assembly and the third cooling assembly according to the temperature signals; therefore, the cooling mode can be controlled according to the actual temperature signal, different cooling requirements are met, continuous and stable operation of the atomizer is ensured, stable operation of the whole desulfurization system is ensured, the problems that flue gas emission exceeds the standard and the environment is polluted due to shutdown of the atomizer in the desulfurization system are prevented, and the environmental protection requirement is met.

The utility model relates to the technical field of protective fences, and discloses a platform and protective handrail connecting structure for a boiler, which comprises a boiler body, a platform, a handrail and a ladder, the platform is positioned at the side part of the boiler body, the handrail is arranged at the outer sides of the platform and the ladder, the ladder is arranged at the side part of the platform, and a grid plate is arranged on a channel steel frame of the platform. The locking rings are fixedly inserted outside the half-round head cross nuts, so that the locking rings can be gathered together along with the movement of the half-round head cross nuts, the stand columns and the handrails are locked and fixed, and in this way, the stability and safety of the handrails on the platform can be ensured without welding. And no loosening or instability occurs in the working process, so that the problem that the environment is polluted by flue gas generated by welding possibly due to the fact that effective protection measures cannot be taken on site during field installation and welding can be avoided for workers. Paint of all the handrail accessories can be completed in a paint room of a factory through the connecting accessories, paint repair caused by burning loss of the paint after welding and paint scratching during interpenetration is avoided during installation at present, finish paint re-spraying in the last procedure is completely omitted, and the age requirements of material saving and emission reduction are met.