51results about How to "Protect the air environment" patented technology

The invention discloses movable intelligent oil-water separating equipment for a kitchen. The movable intelligent oil-water separating equipment comprises a filtering and precipitating device for filtering and precipitating waste water from the kitchen, an oil-water separating device for performing oil-water separation on waste water, an oil collecting device and an up-to-standard water collecting device, wherein a liquid inlet of the oil-water separating device is connected with a liquid draining outlet of the filtering and precipitating device; a liquid inlet of the oil collecting device is connected with an oil draining outlet of the oil-water separating device; a liquid inlet of the up-to-standard water collecting device is connected with a water draining outlet of the oil-water separating device. The movable intelligent oil-water separating equipment disclosed by the invention has the beneficial effects that solid-liquid separation and oil-water automatic separation of kitchen wastes are realized, and a good separating effect and high separating efficiency are realized; complement equipment is simple and attractive in appearance, convenient to use and small in occupied area, and can be integrally moved; equipment operating parameters can be uploaded through a communication network, so that the supervising cost is reduced; the movable intelligent oil-water separating equipment is provided with a heating device which can be used for heating and insulating oil and water in the equipment, so that the collection and the drainage of kitchen oil are facilitated.

The invention relates to an intelligent municipal drainage device. The intelligent municipal drainage device comprises a drainage port and a cover, and permanent magnet pieces are embedded into the cover plate; guiding sliding grooves are rotatably and symmetrically formed in the periphery of the drainage port; drive rods are connected between the guiding sliding grooves and the cover plate; control cavities communicated with the external world are further formed in the periphery of the drainage port and internally provided with control strips, one end of each control strip is fixedly connected with the corresponding control cavity, and the other end of each control strip is fixedly connected with one permanent magnet starting block; the permanent magnet starting blocks and the permanent magnet pieces are repulsively homopolar; the control strips are made from water-absorption expanding materials and can expand in the radial direction of the drainage port after absorbing water. The drainage device is novel in structure and unique in principle, the drainage port can be intelligently opened and closed, water drainage can be guaranteed, garbage accumulation can be prevented, blocking,and rotting and peculiar smell generating of the drainage port are effectively avoided, and the environments of municipal roads and plazas are effectively improved.

The invention discloses a powdery kieselguhr foamer, wherein the essential of the technical scheme is as follows: the powdery kieselguhr foamer is composed of dried kieselguhr, high-viscosity attapulgite clay powder, sodium dodecyl sulphate, sodium percarbonate, sodium polyacrylate, sodium pyrophosphate and sodium naphthaldehyde sulfonate. The powdery kieselguhr foamer finished product is obtained by stirring, grinding and packaging the ingredients of the powdery kieselguhr foamer. The powdery kieselguhr foamer has the advantages of being strong in foaming capacity, high in foaming times, high in foam production amount per unit volume, good in the toughness of foam outer membranes with low possibility of breaking, good in foam stability, unable to defoam for a long time, fine in foam, uniform in the size of the holes generated in a medium, low in bleeding amount, good in the compatibility of the used medium, and the like. The products produced by virtue of the powdery kieselguhr foamer are capable of effectively controlling noise pollution, and have the functions of insulating heat and purifying air; and the powdery kieselguhr foamer is suitable for producing light-weight boards, light-weight wall bodies as well as silencing and noise-reducing products.

The invention discloses a garbage secondary classification treatment device adopting a microbial method. The device comprises a treatment box, wherein a crushing drum, a reactor and a product classified purification device are respectively mounted in the treatment box sequentially from top to bottom through a grinding chamber, a microbial reaction chamber and an enzymatic hydrolystate treatment chamber; a heating device, a gas outlet pipe and a pH detection device are mounted on the side wall of the reactor; the product classified purification device comprises a separation box, a leachate treatment box and an odor biotreatment box, and a gas pipeline system is mounted on the odor biotreatment box. The method comprises the steps as follows: after primary tretament of the garbage, separatingproducts into three forms including gas, liquid and solid, and then, purifying sewage and odor. The purification efficiency is high, so that garbage is sterilized and disinfected repeatedly, harmfulsubstances of the garbage are more thoroughly cleared, and the device completely conforms to the environmental protection theme.

The invention discloses a multifunctional worktable for urination. The worktable comprises a sickbed body, the sickbed body is provided with a urine receiving mechanism, and the urine receiving mechanism is provided with a containing platform, a moving mechanism, a square groove, a pressure sensor, a first warning lamp, an loudspeaker, a damping pad, a urine pot, a baffling cover, a containing box, a U-shaped containing frame, a flared urine receiving tube, a check valve, a through hole, a telescopic tube, a door baffling mechanism and an air purifying mechanism; a disinfection mechanism is arranged on one side of the containing platform and provided with a disinfectant tank, a disinfectant liquid, a liquid level sensor, a second warning lamp, a suction pump, a tube outlet, a tube inlet, an atomizing nozzle, a liquid inlet tube, a sealing pad and a drying mechanism, the drying mechanism is provided with an exhaust fan, a heating wire, an air inlet and an air inlet tube, and a controller is arranged on one side of the sickbed body. The multifunctional worktable for urination has the advantages of a simple structure and high practicability.

The invention relates to an intelligent traction system of a self-locking winch. The intelligent traction system is characterized by comprising a driving mechanism, the self-locking winch, a vertical rope guide wheel, a horizontal guide wheel, a traction steel rope, a hydraulic brake, a vehicle rope lock and a walk-in traction vehicle, wherein the driving mechanism is arranged on the end of a rail and is composed of a lifting motor and a secondary speed reducer, and the self-locking winch is connected with the secondary speed reducer by virtue of a coupling. According to the intelligent traction system, a power source of an internal combustion engine or a motor is replaced, so that materials are automatically aligned quickly, efficiently and accurately in the process that the materials are loaded, unloaded and transferred, the loading efficiency is improved, the loading is automatically controlled, accidents of eccentric weight and end weight caused by inaccurate alignment are reduced, and the intelligent traction system has the advantages of low energy consumption, less pollution and low maintenance cost.

The invention provides a self-service carwash with a microbubble function. The self-service carwash comprises a carwash, a conveyor belt and an underframe, wherein the carwash is welded at the top ofthe underframe; the conveyor belt is mounted on the inner side of the underframe through bolts; a port is formed in the carwash; a motor I is mounted on one side of the underframe through bolts; a partition curtain is mounted on the inner side of the port through bolts; a switch I, a switch II, a switch III and a switch IV are mounted on one side of the carwash through bolts; a sewage pool is arranged at the bottom of the underframe; a spiral plate is mounted on the inner side of the sewage pool; a transmission shaft is mounted on the inner side of the conveyor belt; a through pipe is arrangedat the bottom of the carwash, a spray pipe is welded at one end of the through pipe, and an air inlet pipe is welded at the other end of the through pipe; a fixed net is welded on the inner side of the through pipe, and absorbent cotton is bonded on one side of the fixed net. The self-service carwash with the microbubble function is reasonable in design and suitable for automatically washing a car.

The invention discloses a cotton kneading machine for processing super-soft cotton yarn. The cotton kneading machine comprises a bottom plate, wherein a dustproof cover is arranged on the outer wall of the top of the bottom plate, an L-shaped plate is welded to one end of the outer wall of the top of the bottom plate, a rotating rod is inserted into the outer wall of the top of the L-shaped plate through a bearing, the rotating rod is sleeved with connecting plates distributed at equal intervals through an eccentric bearing, a pressing plate is welded to the outer wall of one side of each connecting plate, a mounting plate is welded to the outer wall of one side of the L-shaped plate, a first servo motor is mounted on the outer wall of one side of the mounting plate, an output shaft of the first servo motor is in transmission connection with a rotating rod through a first belt mechanism, and a supporting plate is welded to the other end of the outer wall of the top of the bottom plate. When the cotton kneading machine is in use, batting can be laid on a storage plate, a second servo motor drives a lead screw to rotate, so that the batting on the storage plate makes contact with the bottom of the pressing plate, the first servo motor drives the pressing plate to conduct cotton kneading processing, multiple pieces of batting can be processed at the same time, and the processing efficiency is improved.

The invention discloses a vacuum washing rotary classification garbage can with a vegetable washing pool on top. The garbage can comprises a box body. A sealing door is arranged on the lower part of the box body. The vegetable washing pool is arranged on the top of the box body. A water discharge pipe, a throwing opening and a throwing door are arranged at the bottom of the vegetable washing pool.A washing mechanism is arranged in the box body. A discharge port is arranged on the lower part of the interior of the box body. A plurality of isolation hoppers are arranged on the part, between thethrowing door and the discharge port, of the box body. The interior of the box body is divided into a plurality of cavities which are arranged vertically. Each cavity is connected with a vacuuming mechanism independently. An isolation door is arranged at the bottom of each isolation hopper. A slant classification pipe is in butt joint with the lower part of the discharge port. On the premise thatthe size of the garbage can is not changed, the internal space of the garbage can is made full use of; more storage barrels are arranged to meet the requirement for classification of various garbage;the vegetable washing pool is used in combination with a garbage can body, the space is made full use of reasonably, the problem that in the prior art, when a user opens a garbage can cover and throws garbage into the garbage can, the smell of the garbage inside goes upwards and spreads outwards is solved, and the indoor air environment is protected.

The invention discloses an asphalt pavement cleaning device for environmental engineering and a use method, the asphalt pavement cleaning device for environmental engineering comprises a box body, the bottom of the box body is open, concrete dust after cleaning can be timely collected, and meanwhile, the dust is separated from air and is intensively collected in an inner cavity of a stirring box, so that the air environment is protected. Through mutual cooperation of a first bevel gear, a second bevel gear, a third bevel gear, a threaded rod, a sleeve and other components, compared with the prior art, the cleaning range of the polishing brush head is enlarged, and through arrangement of a lead screw, a vertical rod, a limiting rod, a water injection pipe, a sleeve and a plurality of stirring rods, compared with the prior art, the collected concrete dust can be quickly stirred again for reuse, so that resources are saved.

The invention discloses a chemical transport vehicle. The chemical transport vehicle comprises a closed carriage and a vehicle head, wherein an isolation area is arranged between the closed carriage and the vehicle head, hooks are fixedly connected inside the isolation area, a ceramic anti-explosion net is arranged on the side face, close to the vehicle head, inside the isolation area, and front wheels are installed at the bottom of the vehicle head. The chemical transport vehicle is provided with the isolation area, the ceramic anti-explosion net, a sponge body, water seepage holes, a liquidcollecting tank, an exhaust fan and a gas purifying box, a cab of the vehicle head is away from the carriage, when the closed carriage is fired or exploded, the safety of the vehicle head is effectively protected in cooperation with the ceramic anti-explosion net, leaked liquid is absorbed and collected in time, and it is avoided that the liquid is leaked out of the vehicle to pollute on the environment; air of the closed carriage is changed through the exhaust fan, gas is subjected to secondary purification through the gas purifying box, toxic gas in air is effectively removed, and the chemical transport vehicle is suitable for different working conditions, and brings better application prospects.

An intelligent water spray isolation fence comprises a particulate matter detector and a handrail portion. The handrail portion comprises at least three bases, a water pump, a microprocessor and a temperature sensor are arranged in each base, each microprocessor is connected with the corresponding water pump, the corresponding temperature sensor and the particular matter detector respectively, uprights are vertically arranged on the base, a water pipe is arranged in an inner hole of each upright, a nozzle is arranged at the top end of each upright and mounted at the upper end of the corresponding water pipe, each two adjacent uprights are connected through at least two tubular cross rods in up-down horizontal arrangement, and an inner hole of each cross rod is communicated with inner holes of the uprights connected with the cross rod; a concealed pipeline is arranged in the inner hole of the cross rod positioned downmost, all concealed pipelines are sequentially communicated to form a transverse water way, all water pipes are communicated through the transverse water way, and the transverse water way and the water pipes form a water flow system which is communicated with the water pumps. The intelligent water spray isolation fence can timely spray water according to ground surface temperature and particulate matter concentration to protect road and air environment, and manpower and material resources are saved.

The invention relates to the technical field of waste disposal equipment, in particular to an improved activated carbon adsorption tank, comprising a tank body, the left end of the tank body is provided with an air inlet, the interior of the air inlet is provided with an air inlet tube, the left end in the tank body is provided with a liquid pool, the right end of the tank body is provided with anair outlet, and an ultraviolet lamp is arranged on the upper side wall, near the air outlet, of the tank body. The tank of the invention has a strict structure, simple operation and convenient use, an activated carbon adsorption plate can be quickly conveniently replaced, and the problems that the adsorption effect is poor because the contact time between exhaust gas and an activated carbon adsorption plate in a general activated carbon adsorption tank is short and the contact area is small are solved. The tank can dissolve and filter soluble pollutants in the exhaust gas in advance, and cansterilize the gas after the adsorption, so that the adsorption effect of the adsorption tank on the exhaust gas is greatly improved, the service life of the activated carbon adsorption plate is prolonged, the use cost is reduced, purification of the exhaust gas is more thorough, harmful gas emission is reduced and the air environment is protected.

The invention discloses a steel structure bridge truss welding tool and a welding method, and belongs to the field of welding. A welding seam is isolated from the outside by arranging an isolation heat preservation cover, on one hand, harm to workers caused by splashing generated in the welding process can be prevented, harmful gas is prevented from being diffused into outside air, and health of the workers and air environment are protected; and on the other hand, due to the isolation effect of the isolation heat preservation cover, high-temperature heat generated by welding is gathered in the isolation heat preservation cover, so that the cooling speed of the welding seam is reduced, cracks are effectively reduced, the isolation heat preservation cover is adsorbed to a steel frame through a connecting layer, an elastic base body and a filling body can enable the isolation heat preservation cover to be in close contact with the steel frame, harmful gas passes through a gas channel according to the principle that hot air rises, purifying balls are used for filtering the harmful gas and then discharging the harmful gas, the harmful gas is prevented from being inhaled by the workers in a large amount, internal heat is slowly released to the outside through a heat dissipation piece, and the cooling speed of the welding seam is slowed down.

The invention discloses an automobile precision part polishing device with a clamping function. The automobile precision part polishing device comprises a bottom plate and a vertical plate, the vertical plate is vertically fixed to one side of the top of the bottom plate, a dust collecting box is fixed to one side of the vertical plate, a filter element is installed in the dust collecting box, a dust suction hood and an exhaust fan are installed outside the dust collecting box, and a base is fixedly arranged at the top end of the bottom plate. According to the automobile precision part polishing device with the clamping function, a water tank is formed in the base, electric push rods are symmetrically arranged on the two sides of the top of the base, automobile parts are firstly placed on supporting rods, then the electric push rods are started, the electric push rods drive the clamping plates to clamp and fix the automobile parts, then chippings generated by polishing can fall into the water tank and are soaked by water in the water tank, so that the chippings are collected, the functionality of the device is greatly improved, and the problems that the automobile parts cannot be clamped and fixed, and polishing machining is inconvenient are solved.

The invention relates to an intelligent municipal drainage device. The intelligent municipal drainage device comprises a drainage port and a cover, and permanent magnet pieces are embedded into the cover plate; guiding sliding grooves are rotatably and symmetrically formed in the periphery of the drainage port; drive rods are connected between the guiding sliding grooves and the cover plate; control cavities communicated with the external world are further formed in the periphery of the drainage port and internally provided with control strips, one end of each control strip is fixedly connected with the corresponding control cavity, and the other end of each control strip is fixedly connected with one permanent magnet starting block; the permanent magnet starting blocks and the permanent magnet pieces are repulsively homopolar; the control strips are made from water-absorption expanding materials and can expand in the radial direction of the drainage port after absorbing water. The drainage device is novel in structure and unique in principle, the drainage port can be intelligently opened and closed, water drainage can be guaranteed, garbage accumulation can be prevented, blocking,and rotting and peculiar smell generating of the drainage port are effectively avoided, and the environments of municipal roads and plazas are effectively improved.

The invention belongs to the technical field of computer hardware and particularly provides a computer mainframe with an air purifier and an alarm apparatus. The computer mainframe comprises a computer mainframe body, wherein the air purifier is arranged in the middle of the right side of the computer mainframe body, the air quality alarm apparatus is arranged at the lower portion of a front panel of the computer mainframe body, and the problem that an existing computer mainframe is not provided with the air purifier and the alarm apparatus is solved. By means of the computer mainframe, the air quality surrounding people is monitored, air quality is improved, surrounding air environment is protected, body health of the people is facilitated, and the working efficiency and living quality of the people are improved.

The invention relates to the field of construction material recycling, and provides a sand production line waste treatment system. The sand production line waste treatment system comprises a sand machine and a dust recovery system; and the dust recovery system comprises a dust removing machine, a dust sucking pipe, a dust concentration sensor, a solid-liquid separator and a PLC. A sand productionline waste treatment method comprises the steps of grinding of wastes as sand, separation of dust in a pool, drying of the separated dust and centralized treatment. The sand production line waste treatment system has the following beneficial effects: sand wastes of a sand production line are grinded as the sand in a centralized manner, and the sand and the dust of the sand production line are treated in a centralized manner to realize recycling of raw materials, so that the construction garbage is reduced, the air environment around engineering lands is protected, and the human breathing health is protected.

The invention discloses an odor-resistant municipal sewer well. The odor-resistant municipal sewer well comprises a well body, a pedal is movably arranged on the upper side wall of the well body, an extending edge is integrally formed on the inner wall of the well body, a telescopic spring is fixedly connected between the lower side wall of the pedal and the upper side wall of the extending edge,a connecting rod is fixedly connected to the lower side wall of the pedal, a water inlet is formed in the upper side wall of the well body, a cleaning mechanism is arranged in the water inlet, a filter screen is fixedly connected in the water inlet, a guide pipe communicating with the water inlet is fixedly connected in the well body, and a piston plate slides in the guide pipe. According to the odor-resistant municipal sewer well, movement of a cleaning plate is achieved when pedestrians or vehicles pass through the pedal, cleaning of the surface of the filter screen is achieved, it is guaranteed that follow-up water flow can normally pass through, the movable plate is moved in rainy days to achieve communication between the well body and the outside, drainage work of the road surface isachieved, automatic closing is achieved when it does not rain, odor is prevented from escaping, and the surrounding environment is protected.

The invention discloses a dust suction structure for an artware polishing device. The dust suction structure comprises a base, wherein two supporting plates are fixedly connected to the upper side wall of the base, the upper side walls of the two supporting plates are jointly connected with a top plate, a mounting plate is fixedly connected to the side wall of one supporting plate, and a motor isfixedly connected to the upper side wall of the mounting plate. A grinding disc is fixedly connected to an output shaft of the motor, a placement base is fixedly connected to the upper wall of the base, the mounting plate is fixedly connected to the upper side wall of the placement base, an electric telescopic rod is fixedly connected to the side wall of the mounting plate, a clamping piece is fixedly connected to the telescopic end of the electric telescopic rod, and a dust suction mechanism is arranged at the upper end of the base and comprises a sound receiving box fixedly connected to theside wall of the top plate. According to the dust suction structure, dust can be prevented from floating in the air, and the air environment in the space is guaranteed; and meanwhile, the dust is prevented from being inhaled by workers, so that the health of the workers is guaranteed.

The invention discloses an environment design model grinding device, and belongs to the field of grinding. The environment design model grinding device comprises a handheld grinding machine body, wherein an output shaft of the handheld grinding machine body is connected to a grinding disc, and the grinding disc is of a hollow structure. According to the scheme, rough grinding particles and fine grinding particles are arranged to achieve the two grinding effects of rough grinding and fine grinding; the rough grinding particles are recessed and protruded through the attraction force and the repulsive force of a magnetic adjusting part on the rough grinding particles, and the protruded rough grinding particles conduct rough grinding on a model; the concave rough grinding particles and the fine grinding particles jointly conduct fine grinding on a model, so that the grinding effect is effectively improved, abrasion of the coarse grinding particles and the fine grinding particles is delayed, and the grinding device is more durable; water is added into the grinding disc, and the centrifugal force during rotation and the absorption effect of capillary water tubes are used for achieving grinding and watering at the same time, so that raised dust generated during grinding is effectively reduced, the health of people is protected, and the air environment is also protected.

The invention provides an intelligent energy-saving integrated cooker, and belongs to the technical field of integrated cookers. The intelligent energy-saving integrated cooker comprises a cabinet body and a cooking bench, wherein the cabinet body is a rectangular cabinet body with a hollow structure inside, the cooking bench is arranged right above the cabinet body, two groups of cookers are symmetrically arranged on the top surface of the cooking bench in a front-back mode, a connecting groove is formed in the right side of the top surface of the cooking bench in a penetrating mode, the connecting groove penetrates through the top surface of the cooking bench and extends into the hollow structure inside the cabinet body, a pressing device is arranged inside the connecting groove, a filtering device is arranged at the upper end of the interior of the cabinet body, and a plurality of groups of first water pipe connecting holes are formed in the right side of the inner wall surface of the cabinet body in a penetrating mode. According to the intelligent energy-saving integrated cooker, solidified oil smoke can slide into the interior of an arc-shaped plate through grooves in a plurality of groups of trapezoidal blocks and is discharged from the arc-shaped plate through a water oil discharging port, so that the situation that the smoke discharging capacity of the integrated cooker is reduced due to too much solidified oil stains on the trapezoidal blocks and a filtering rod can be avoided, and the effect of avoiding residual solidified oil stains in the cabinet body is achieved.

A hydraulic household garbage classification treatment recycling machine comprises a shell, a partition plate, a liquid leakage plate, an extrusion roller set, a first hydraulic cylinder, a first hydraulic plate, a discharging auger, a classification box, a second hydraulic cylinder and a second hydraulic plate. The partition plate and the liquid leakage plate are arranged in the shell; the extrusion roller set is arranged in a pretreatment chamber; the first hydraulic plate is arranged on one side of a solid waste recycling chamber; the discharging auger is arranged on the other side of the solid waste recycling chamber; the classification box is arranged outside the shell; and the second hydraulic plate is arranged in the classification box. The machine further comprises a smashing assembly, a classifying assembly and a disinfecting and recycling assembly. The smashing assembly is arranged on the partition plate; the classifying assembly is arranged in the solid waste recycling chamber; and the disinfecting and recycling assembly is arranged in a liquid recycling chamber. The extrusion roller set and the smashing assembly are arranged to be matched to pretreat household garbage,and the size of the garbage is gradually reduced; the classifying assembly is arranged to achieve accurate classification; and the disinfecting and recycling assembly is arranged, so that all-around disinfection is achieved, and meanwhile grease in the kitchen garbage is fully recycled.

The invention relates to the field of medical devices, in particular to a breathing circuit for respiratory diseases. Including the conversion joint, the conversion joint opposite to the end of the endotracheal intubation machine is integrally extended with an intubation tube, the intubation tube mouth is inserted with an isolation sleeve, and the bottom of the isolation sleeve is provided with a cross-shaped groove that can be inserted into the sputum suction tube There are at least three forks in the intersecting grooves, and the lower end surface of the lower outer edge formed by the outward extension of the top of the insulating sleeve cooperates with the end surface of the intubation nozzle. The intubation nozzle is provided with The sealing ring is limitedly matched with the lower outer edge of the isolating sleeve, and the sealing ring is provided with a sealing cover which is sealingly matched with the ring opening of the sealing ring; a blocking plate is provided under the isolating sleeve. The invention can protect medical personnel, effectively control the spread of diseases such as bacteria and viruses, has a convenient and practical structure, and not only protects the health of patients but also the health of medical personnel and the air environment in medical places.

The invention discloses an oil-removing and slag-skimming device for sewage treatment. The device comprises a sewage pool, a first partition plate and a second partition plate which are distributed ina horizontal structure are welded on the inner wall of the bottom of the sewage pool, the first partition plate is positioned between the side inner wall of the sewage pool and the side outer wall ofthe second partition plate, a precipitation cavity is defined by the side inner wall of the sewage pool, the bottom inner wall of the sewage pool and the side outer wall of the first partition plate,an oil filtering cavity is defined by the bottom inner wall of the sewage pool, the side inner wall of the first partition plate and the side outer wall of the second partition plate, a drainage cavity is formed between the bottom inner wall of the sewage pool and the side surface inner wall of the second partition plate and a sludge discharge pipe, a water inlet pipe, an oil outlet pipe and a water discharge pipe are inserted into the positions, close to the bottom and the top, of the outer wall of the side face of the sewage pool correspondingly. Sewage in the device sequentially enters allthe cavities through the gravity of the sewage, the purpose of oil removal and skimming is achieved through different densities of waste oil, sewage and residues, and the device is simple in overallstructure.

The invention discloses a casting machinery waste gas treatment system which mainly comprises two tank bodies, a guide-in pipe, a gas delivery pipe, a gas outlet main pipe, a roots pump and a reflux pump, wherein the adjacent bottoms of the two tank bodies are communicated; the guide-in pipe is arranged between the two tank bodies; one side at the upper end of the guide-in pipe is connected with the gas delivery pipe; the other side at the upper end of the guide-in pipe is connected with a liquid delivery pipe; the other end of the liquid delivery pipe is connected with the roots pump; each of the upper ends of the two tank bodies is provided with a gas outlet branch pipe; the two gas outlet branch pipes are congregated into the gas outlet main pipe; three filtering screens are arranged in the guide-in pipe. The casting machinery waste gas treatment system is simple in structure, is low in production cost, and has the effects of filtering and treating casting waste gas so as to protect the environment, in particular to the air environment.

The invention relates to the technical field of quartz sand dust removal, in particular to a spraying dust removal device of a quartz sand crusher. The spraying dust removal device comprises a crusher shell, the top of the crusher shell is provided with a feeding port, one end of the feeding port is fixedly connected with a sand containing cavity, the side surface of the sand containing cavity is provided with a water containing cavity, the bottom of the water containing cavity is provided with a pump containing cavity, the inside of the pump containing cavity is fixedly connected with a water pumping pump, and one end of a water outlet is fixedly connected with a bent pipe; and one end of the bend pipe is provided with an atomization nozzle, the side surface of the crusher shell is provided with a water level display pipe, a spraying device is arranged at the position of a quartz sand crushing device, quartz sand dust is reduced through atomized water vapor, the bend pipe comprising connecting pipes connected with one another is adopted, the bend pipe can be bent according to the requirement for spraying atomized water, and the water level display pipe capable of displaying the water level in the water containing cavity is arranged beside the water containing cavity, so that the water level in the water containing cavity can be observed conveniently, and water can be added in time to perform atomization and dust removal on the quartz sand powder.

A factory volatile organic compound gas removing device belongs to the field of environmental protection for treating atmospheric pollution. The device is composed of a solar panel, a storage battery,an air adsorption filter, an air combustion dryer, an air compressor, a molecular sieve oxygen enricher, a high-voltage discharge oxidizer, a programmable controller, a control valve and the like. The harmful or irritant volatile organic compound gas in factories and atmosphere, is treated by the device, and then is removed by adsorption, or removed by combustion, or decomposed into CO2, H2O andthe like, so that the air is purified, the environment is protected, and the health of human bodies is guaranteed.

The invention discloses an environment-friendly public garbage can, and relates to the technical field of environmental protection. The environment-friendly public garbage can comprises a fixing frame, a base plate is slidably connected to the bottom of the inner wall of the fixing frame, a control device is fixedly connected to the center of one side of the fixing frame, one side of the control device penetrates through the fixing frame and is fixedly connected with a storage device, the side, away from the control device, of the storage device is rotationally connected with the inner wall of one side of the fixing frame through a rotating shaft, a supporting plate is fixedly connected to the top of the fixing frame, a sealing device is fixedly connected to the center of the top of the supporting plate, the storage device comprises a storage ball, a sliding way is fixedly connected to the outer side of the storage ball, and a discharging opening is formed in the bottom of one side of the storage ball. According to the environment-friendly public garbage can, odor in the storage balls can be prevented from being discharged to the outside from a feeding opening, the air environment around the garbage can is conveniently protected, the workload of cleaning personnel is conveniently relieved, and cleaning operation is convenient.

The invention provides an odor filtering device for a toilet pipeline . The odor filtering device comprises a purification cylinder, the bottom of the purification cylinder is fixedly connected with an air inlet pipe, the top of the purification cylinder is fixedly connected with an exhaust pipe, an exhaust mechanism is arranged in the purification cylinder and located above the air inlet pipe, and a rotating shaft is rotationally connected in the purification cylinder and located above the exhaust mechanism; the outer side of the rotating shaft is fixedly connected with speed reducing blades at equal distances; the device is compact in structure, easy and convenient to operate and high in practicability, odor in a toilet pipeline is exhausted into the purification barrel through the exhaust mechanism, then the odor is subjected to speed reduction treatment through the air inlet speed reduction mechanism, therefore the odor stays around a UV lamp, and adequate sterilization can be carried out. Meanwhile, a plurality of filtering layers are arranged to be matched with an aromatherapy piece, so that the odor can be filtered, and the emitted odor can be improved by increasing the fragrance, so that the surrounding air environment is protected, and actual use is facilitated.