33results about How to "Avoid affecting air quality" patented technology

The invention relates to a good-dredging-effect dust removing device for air purification. The dust removing device comprises an outer casing, an air inlet pipe, an air outlet pipe, a controller, a water tank, a sealing mechanism and four stand bars, wherein a filter net and a dredging mechanism are arranged in the outer casing, the sealing mechanism comprises a first motor and two sealing assemblies, and each sealing assembly comprises a bearing, a screw rod, a translation block, a bracket and a sealing plate; and the dredging mechanism comprises a water pipe, a nozzle, a moving component, amoving plate and a swinging component. According to the good-dredging-effect dust removing device for air purification, water can be sprayed to the filter net through the dredging mechanism, so that dust on the filter net flows downwards with water flow, dredging of the filter net is achieved, and the damage to the filter net is avoided at the same time; the dredging mechanism is safer and more reliable, no damage to the filter net is caused, and in addition, in the dredging process, the air inlet pipe and the air outlet pipe can be sealed through the sealing assemblies, so that influences, caused by discharging of wastewater obtained after dredging is performed from the air inlet pipe, on the surrounding environment is avoided, and the practicability of the device is improved.

The invention relates to a ventilation type double-layer curtain wall system. The ventilation type double-layer curtain wall system comprises a light-transmitting outer wall, a ventilation inner wall and a heat transfer frame, the ventilation inner wall and the light-transmitting outer wall are oppositely installed in the heat transfer frame, the ventilation inner wall, the light-transmitting outer wall and the heat transfer frame are matched to form a containing cavity, and a communicating groove is formed in the position, connected with the light-transmitting outer wall, of the top of the heat transfer frame. The communicating groove communicates with the containing cavity and the outside, an elastic air bag is arranged at the groove bottom of the communicating groove, a communicating air gap is formed between the elastic air bag and the light-transmitting outer wall, the elastic air bag absorbs heat to expand and blocks the communicating air gap, the elastic air bag releases heat to contract and opens the communicating air gap, and green plants are planted in the containing cavity. A controllable air gap communicating the containing cavity with the indoor space is formed in the ventilation inner wall, and the width of the controllable air gap is in negative correlation with the temperature of the ventilation inner wall. The indoor and outdoor air exchange rate is regulated and controlled according to the environmental influence, and the indoor air quality is guaranteed.

The invention discloses a salt spray testing machine, and belongs to the field of salt spray tests. The salt spray testing machine comprises: a detachable box cover arranged above a box body, whereina discharge port is formed in the side wall of an objective table, and a box door is arranged on the discharge port; a workbench which is horizontally and fixedly mounted in the box body, an opening is formed in the upper portion of the workbench, and the workbench, the box cover and the box body form a working cavity; an inner cavity which is arranged below the workbench, wherein the inner cavityis communicated with the workbench through the opening, and the inner cavity is communicated with the workbench through the discharge port; a salt mist spraying system which is mounted on the workbench; the objective table which is arranged above the inner cavity; an air inlet channel, wherein one end of the air inlet channel extends out of the box body and is provided with an air blower, and theother end of the air inlet channel is communicated with the inner cavity; and an air outlet channel, wherein one end of the air outlet channel is extended out of the box body. Compared with the priorart, the salt spray testing machine has the advantages that salt spray can be discharged after testing, and operators are prevented from making contact with the salt spray.

The invention relates to the technical field of moxa manufacture, in particular to a moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The technical problem to be solved by the invention is that after folium artemisiae argyi is crushed by a crushing machine, particles such as dust, impurity particles, scrap iron, etc. which cannot be crushed are generated and seriously affect the effect of moxa. In order to solve the technical problem, the invention provides the moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The moxa manufacture and impurity screening device comprises a bottom plate and an oscillating rod. A round hole is formed in the middle of the top of the bottom plate, and the two sides of the top of the bottom plate are both fixedly connected with bases. The tops of the bases are fixedly connected with magnetic rejection mechanisms, and the tops of the fronts of the two magnetic rejection mechanisms are both inlaid with rotating sleeves. The moxa manufacture and impurity screening device effectively removes the impurities and scrap iron in moxa, thereby improving the impurity screening effect. Meanwhile, the moxa manufacture and impurity screening device prevents the dust from affecting the surrounding air quality so as not to bring harm to the health of people.

The invention discloses a grinding room with a recycling function. The grinding room comprises a grinding platform. A dust suction recycling pipe is arranged beside the grinding platform. A dust suction opening is formed in the side face, close to the grinding platform, of the dust suction recycling pipe. A cloth bag filtering device is arranged in the dust suction recycling pipe. A pulse air pipe is connected to the top of the cloth bag filtering device. An outlet of the dust suction recycling pipe is connected with a suction opening of an exhaust fan. An air outlet of the exhaust fan is connected with an air return pipeline. The air return pipeline is horizontally arranged and provided with an air outlet. A dust storage bin is arranged below the cloth bag filtering device. By the adoption of the grinding room, large-concentration dust generated during the surface grinding operation and deep machining of components can be sucked away and collected in a concentrated manner, air is recycled, the air is exhausted indoors after the dust is removed, the purified air is recycled to the grinding room, workers do not need to wear masks when working in the grinding room, the problem of the emission pollution existing in traditional grinding can be solved, and the air pollution and the harm to the body health of the workers are avoided.

The invention discloses an indoor environment detection air collection device, and belongs to the technical field of air detection. The indoor environment detection air collection device comprises a collecting barrel, a rotating shaft is arranged in the middle of a filter screen in a penetrating mode, a collecting box is fixedly arranged at the right end of an inserting strip, a partition plate is arranged in a notch, a fixing plate is fixedly arranged on the rear side of the outer wall of the partition plate, sliding grooves A are formed in the positions, opposite to the upper sides of multiple supporting rods, of the left end and the right end of the collecting barrel, a push rod is arranged in the collecting barrel,a piston plate is fixedly arranged at the lower end of the push rod, and guide blocks are fixedly arranged on the lower sides of the left end and the right end of the push rod. By means of the partition plate, the device can collect air in multiple different areas, and avoids air mixing, so thata detection result is more accurate, and the working efficiency of workers is improved. The device is reasonable in design, easy to operate and convenient to carry and facilitates collection of air samples in multiple different areas indoors.

The invention provides an operating room nursing waste collection and treatment device and relates to the technical field of operating room waste collection and treatment. The device comprises a tankbody, wherein a feeding funnel is connected with the top end of the tank body; a first partition plate is fixedly mounted at the bottom end of the feeding funnel; a feeding hole is formed inside the first partition plate in a penetration manner; and an opening / closure mechanism is arranged inside the first partition plate. The device has the beneficial effects that under the action of the opening / closure mechanism, when wastes are put into the tank body, a rotating disc handle which is connected with the exterior of an outer threaded rod of the device can be rotated, the outer threaded rod ofthe device is rotated through a moveable connecting part connected with the outer threaded rod, a first sliding block which is in threaded connection with the outer threaded rod of the device slides on a first chute, a cover plate at the top end of the first sliding block of the device can be separated from the feeding hole formed in the first partition plate, waste garbage can be fed into a second partition plate inside the tank body, the rotating disc handle of the device is rotated reversely, and then the feeding hole of the device can be sealed by the cover plate.

The invention discloses combinable wall-climbing type ship intelligent laser rust removal equipment, and belongs to the technical field of rust removal cleaning. The combinable wall-climbing type shipintelligent laser rust removal equipment comprises an elastic plate, and the outer wall of the elastic plate is slidably connected with a moving frame. The outer wall of the moving frame is connectedwith a motor; the output end of the motor is connected with a rotating shaft; the rotating shaft is rotatably connected into the movable frame, the outer wall of the rotating shaft is connected witha first gear, the outer wall of the first gear is in engaged connection with a rack, the rack is fixedly connected to the outer wall of the elastic plate, the outer wall of the movable frame is connected with a fixed block, the outer wall of the fixed block is connected with a laser head, and the bottom wall of the elastic plate is further connected with a collecting bag. The device is fixed to the outer plate through the electromagnet, the laser head moves back and forth on the elastic plate to remove rust on the outer plate, redundant auxiliary devices do not need to be set up, and use of manpower and material resources is effectively reduced.

The invention relates to the field of waste gas treatment, in particular to sewage treatment plant workshop peculiar smell waste gas purification equipment which comprises an L-shaped exhaust pipe mounted on a workshop wall, an exhaust fan arranged in the middle section of the exhaust pipe and an absorption barrel arranged below the exhaust pipe, and a water inlet pipe extending to the bottom of the absorption barrel is inserted into the top end of the absorption barrel. An air inlet pipe is connected to the top end of the water inlet pipe, a mounting frame is fixedly connected to the outer wall of the workshop wall body, a rotating frame is mounted at the end, away from the workshop wall body, of the mounting frame, and two filter cartridges are detachably mounted on the rotating frame. The rotary frame is arranged, the filter cartridges are installed at the two ends of the rotary frame, when the filter cartridges need to be replaced, the old filter cartridges can be directly screwed away, the new filter cartridges are placed between the exhaust pipe and the air inlet pipe, in this way, the operation of replacing the filter cartridges is rapidly completed, shutdown only needs to be carried out for an extremely short time or even does not need to be carried out, and the operation efficiency is improved. And the air quality in a workshop is prevented from being influenced.

The invention provides a convenient spinning machine for a seamless colored cotton vest and belongs to the technical field of knitting machines. The convenient spinning machine for the seamless colored cotton vest comprises a rack, a control cabinet, a needle cylinder device, a discharge device, a dial device and a yarn feeding device, wherein the control cabinet is located in the rack, an operation panel is arranged on the control cabinet, the needle cylinder device, the discharge device and the dial device are located at the upper end of the control cabinet, the yarn feeding device is located at the upper end of the dial device, the discharge device comprises a bend and a collection cylinder located at the lower end of the bend, an infrared counter is arranged on the bend, the lower end of the collection cylinder is connected with an ion fan, the yarn feeding device comprises a first yarn frame and a second yarn frame which are annular, the second yarn frame is located at the upper end of the first yarn frame, a plurality of yarn guides are arranged on the first yarn frame and the second yarn frame, and the middle of the upper end of the second yarn frame is connected with a lighting lamp. The convenient spinning machine for the seamless colored cotton vest has the advantages that static electricity can be eliminated, and numbers of weaving products can be calculated conveniently.

The invention provides a water tank self-cleaning system, a cooling fan and a control method of the cooling fan. The water tank self-cleaning system comprises a water storage tank, a cleaning device and a water quality detection device are arranged in the water storage tank, the water quality detection device is used for detecting the water quality in the water storage tank, the cleaning device is used for cleaning the inner wall of the water storage tank, the water storage tank comprises a clear water flow path and a waste water flow path, When water in the water storage tank is detected to be qualified by the water quality detection device, the water can flow out through the clear water flow path, and when the water in the water storage tank is detected to be unqualified by the water quality detection device, the cleaning device cleans the inner wall of the water storage tank, and then the water flows out through the waste water flow path. The interior of the water storage tank can be automatically cleaned, bacteria breeding in the water storage tank is avoided, and the user experience is improved.

The invention discloses an energy-saving dust filter tower for factories, the structure of which includes an outlet, a sterilizer, an adsorption layer, an inlet, a filter screen, a motor, a top cover, a light strip, a light bulb, and a fuselage. The middle and lower section runs through the outlet of the hollow cylinder, the fuselage and the sterilizer are fitted together, and the upper section on the left side of the fuselage runs through and connects to the hollow inlet. The present invention is an energy-saving dust filter tower for factories, which is provided with a sterilizer, and the motor in the sterilizer is used to start the switch and operate the purifier, so that the purifier can purify and filter the dust, and the adjustment button can adjust the purifier to purify, The speed of filtration enables the dust to be improved faster, and avoids some holes that are easy for dust to leak to the outside, which will seriously affect the surrounding air quality, thus ensuring that the surrounding air quality will not be polluted.

The invention discloses a domestic sewage treatment degerming device, and particularly relates to the technical field of domestic sewage treatment. The domestic sewage treatment degerming device comprises a device body, supporting legs are fixedly connected to the two sides of the bottom end of the device body, an aeration stirring mechanism is arranged at the bottom end of the interior of the device body, and a water outlet is fixedly connected to the bottom end of one side of the device body; a water inlet is fixedly connected to the top end of the other side of the device body, dosing structures are arranged on the two sides of the top end of the device body, and a multi-stage filtering structure is arranged at the top end of the interior of the device body. By arranging activated carbon particles, limiting seats, placement seats, placement grooves and through holes, during use, the limiting seats are arranged in the middle of the interior of the device main body, two sets of placement seats are arranged in the limiting seats, and the placement seats are filled with the activated carbon particles through the placement grooves, so that peculiar smells in sewage are removed conveniently; and the situation that the surrounding air quality is affected due to strong smell during sewage discharge is avoided, and the environmental protection property of the device in use is improved.

The invention discloses an alarm processing device for preventing gas poisoning, which comprises a machine body, a storage cavity is formed in the machine body, an oxygen supply mechanism is arrangedin the storage cavity, the oxygen supply mechanism comprises a reaction box arranged in the storage cavity, a reaction cavity is formed in the reaction box, a supporting plate is fixedly arranged on the inner wall of the lower side of the reaction cavity, an oxygen supply box is fixed on the end surface of the supporting plate, and an oxygen supply cavity is provided in the oxygen supply box. In the using process, the indoor carbon monoxide concentration can be monitored at any time, the situation that the indoor personnel safety is endangered due to the fact that the carbon monoxide concentration is fixed too high is avoided, when too high concentration is detected, a built-in alarm mechanism can give out a sound-light alarm, meanwhile, the rotating speed of a fan is increased, absorptionof carbon monoxide is accelerated, then the purification mechanism can oxidize carbon monoxide and then discharge the carbon monoxide, air quality is prevented from being affected, the oxygen supplymechanism can suck fresh air from the outside in time and add enough oxygen, and symptoms of indoor personnel and the air environment can be relieved.

The invention relates to the technical field of moxa manufacture, in particular to a moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The technical problem to be solved by the invention is that after folium artemisiae argyi is crushed by a crushing machine, particles such as dust, impurity particles, scrap iron, etc. which cannot be crushed are generated and seriously affect the effect of moxa. In order to solve the technical problem, the invention provides the moxa manufacture and impurity screening device for intermittent magnetic rejection and dust-free processing. The moxa manufacture and impurity screening device comprises a bottom plate and an oscillating rod. A round hole is formed in the middle of the top of the bottom plate, and the two sides of the top of the bottom plate are both fixedly connected with bases. The tops of the bases are fixedly connected with magnetic rejection mechanisms, and the tops of the fronts of the two magnetic rejection mechanisms are both inlaid with rotating sleeves. The moxa manufacture and impurity screening device effectively removes the impurities and scrap iron in moxa, thereby improving the impurity screening effect. Meanwhile, the moxa manufacture and impurity screening device prevents the dust from affecting the surrounding air quality so as not to bring harm to the health of people.

The invention provides a civil engineering construction enclosure device with a continuous projection function, and relates to the technical field of civil engineering. The civil engineering construction enclosure device comprises a left enclosure plate and a right enclosure plate, wherein a base is connected with a pry bar; the bottom of the left enclosure plate is connected with the base, and projection lamps are arranged on the inner side of the top of the left enclosure plate; the bottom of the right enclosure plate is connected with the base, projection lamps are arranged on the inner side of the top of the right enclosure plate, and the right enclosure plate is connected with the left enclosure plate through a connecting piece; and auxiliary supporting mechanisms are respectively connected to the inner side of the left enclosure plate and the inner side of the right enclosure plate, and the bottoms of the auxiliary supporting mechanisms are connected to the ground. According to the civil engineering construction enclosure device, the connecting firmness of the left enclosure plate and the base and the connecting firmness of the right enclosure plate and the base are guaranteed, and additionally, the use number of bolts is reduced; the bottoms of the left enclosure plate and the right enclosure plate are respectively fixed through quick-release fixing pieces, so that the left enclosure plate and the right enclosure plate are conveniently disassembled and assembled; and the lever principle is utilized, and straight nails at the bottom of the base are pried out of the ground through the pry bar, so that the base is conveniently disassembled with labor saving.

The invention discloses an animal waste treatment device, and belongs to the technical field of livestock and poultry waste treatment, the animal waste treatment device comprises a collection box and a shovel box, the shovel box is communicated with the collection box through a fixing pipe, an auger is arranged in the fixing pipe, and a through hole is formed in the side wall, located in the shovel box, of the fixing pipe; a sliding strip is arranged on the shovel box in a sliding mode, and a supporting strip, a supporting column and a plurality of shovel teeth are arranged on the sliding strip. The side wall of the shovel box is connected with a rack, the rack is provided with a driving disc and a forking seat, the driving disc is provided with a first driving shaft and a second driving shaft, the forking seat comprises a forking shaft, a first forking strip and a second forking strip, the first forking strip and the second forking strip are connected to the forking shaft, and the first forking strip makes contact with the supporting column; a first conveying belt is arranged on one side of the sliding strip, one end of the first conveying belt makes contact with the sliding strip, and the other end of the first conveying belt is higher than the through hole, the problem that the cleaning effect of excrement in an animal breeding site is not ideal is solved, and excrement traces adhering to the ground can be scraped more thoroughly.

The invention discloses a gas particulate matter removal device which specifically comprises a base, a protection device installed at the bottom of an inner cavity of a water-soluble box, an adjusting device installed at the top of the protection device and a separation device installed on the inner surface of the protection device. The device comprises a U-shaped pipe body, arc-shaped flow guide pipes installed on the two sides of the outer surface of the U-shaped pipe body, a small water pump installed in the middles of the arc-shaped flow guide pipes, a spherical air suction machine installed at the low end of the U-shaped pipe body, and an air sealing device installed at the high end of the U-shaped pipe body. Through the arrangement of the arc-shaped flow guide pipe, downstream and countercurrent flushing can be performed on gas by proper water flow, and meanwhile, the countercurrent water flow and downstream water flow are mutually impacted by the removal pipe of the U-shaped pipe body, so that a water tent is formed to cut off and precipitate particles flushed by the downstream water flow and the countercurrent water flow, and the particles are prevented from being adhered to the interior of an equipment component.

The invention relates to an environment-friendly trash can with a purification function, which includes a main body and a switch, and also includes a sealing mechanism and a purification mechanism, the sealing mechanism includes a cable box, an overturning assembly and a fixing assembly, and the overturning assembly includes a rotating shaft and an overturning plate and two fixed blocks, the pull wire assembly includes a first motor, a wire reel and a pull wire, the purification assembly includes an air extraction assembly, a purification box and an air injection assembly, and the air injection assembly includes a second motor, a drive shaft, an air storage box, air intake pipe, driving gear and two air jet units, the environmental-friendly garbage can with purification function can seal the opening of the garbage can through the sealing mechanism, so as to avoid the smell in the garbage can from dispersing and affecting the air quality. The mechanism can purify the air in the garbage can, avoid the odor in the garbage can, and improve the environmental protection of the garbage can.

The invention relates to the technical field of enterprise management, and discloses an automatic air purification device for the air inlet end of an air conditioner outdoor unit. The automatic air purification device comprises a shell, a button is fixedly connected to the exterior of the shell, an electromagnetic pump is fixedly connected to the exterior of the shell, a corrugated pipe is fixedly connected to the exterior of the electromagnetic pump, and a time delay assembly is movably connected to the interior of the shell. A first connecting rod is movably connected into the shell. Under the interaction of the electromagnetic pump, the corrugated pipe, the time delay assembly, a first connecting rod, a second connecting rod, a treatment shell, a flowing opening, a filter plate, a magnetic rail, a contact, an electromagnet, a connecting plate, a movable brush, a capacitor plate, a first gear, a third connecting rod, a second gear and a fourth connecting rod, the air index of the office environment can be kept in a good state, and therefore the body of office staff is healthier; and meanwhile, the practicability and the environment-friendly function of the air conditioner are improved, so that the working state of office staff is better, and the working efficiency and the working quality of the office staff are improved.

The invention discloses a novel energy-saving roller scraping brush type motor sweeper which comprises a sweeper body, a solar panel is installed at the top of the sweeper body, a front box is fixedly connected to the top of one end of the sweeper body, a solar converter is arranged on one side in the front box, and a variable-speed motor is arranged in the front box; the tail end of an output shaft of the variable-speed motor is fixedly connected with a transmission mechanism, and one end of the transmission mechanism is fixedly connected with a roller. The problems that an existing sweeper cannot automatically recycle garbage on the road surface and cannot achieve the energy-saving and environment-friendly effects are effectively solved, the operation of converting light energy into electric energy is achieved under the action of the solar panel, power is continuously provided for equipment, the effects of energy saving and emission reduction are achieved, meanwhile, garbage and dust attached to the ground are cleaned in time through effective cooperation of the roller and the dust collector, and convenience and rapidness are achieved.

The invention discloses efficient lampblack purification equipment and an online detection control system thereof, and relates to the technical field of lampblack purification, the efficient lampblack purification equipment comprises a cleaning seat and a cleaning mechanism, a cleaning cavity is formed in the cleaning seat and extends to the bottom end face of the cleaning seat, and the cleaning mechanism comprises a water tank and an air guide pipe; the water tank is fixedly arranged between the two side walls of the interior of the cleaning cavity, the air guide pipe rotationally penetrates through the side wall of the cleaning base and the side wall of the water tank and is rotationally connected with the inner wall of the water tank, filter cotton is fixedly arranged on the first filter screen, and a second ventilation opening of a sedimentation type structure is formed in the upper end of the cleaning base. The radial side wall of the air guide pipe is rotationally attached to the side wall of the bottom end of the second ventilation opening. The cleaning seat provided with the cleaning mechanism is fixedly arranged at the air inlet of the kitchen range hood, the fan of the range hood is used for providing negative pressure to suck external air, the cleaning mechanism is used for cleaning and filtering oil fume in the sucked air, then the oil fume enters the range hood to be discharged, and the situation that a large amount of oil fume is doped in the discharged air is avoided.

The invention relates to the technical field of hardware machinery, and discloses an auxiliary chamfering device capable of solving problems of dust diffusion and difficulty in steering and applicable to a hardware workpiece. The auxiliary chamfering device comprises a shell, and the bottom of the shell is fixedly connected with a main table. The workpiece is automatically extruded and fixed, the workpiece is prevented from moving in the chamfering process, chamfering operation can be smoothly carried out, dust collection operation is triggered while fixing is carried out, linkage between structures is improved, and the automation degree is high; the dust collection operation is automatically started through the combined action of a placing table, a suction head and a fan, dust generated by chamfering is automatically absorbed, the situation that the air quality is affected due to dust diffusion is avoided, complex cleaning operation is omitted, the two hands are liberated, and the workload is effectively reduced; through the combined action of a rotating button, a cone pulley and the placing table, according to the actual machining requirements, the workpiece is in a fixed state and automatically steers, corner angles of different angles can be ground conveniently, operation is convenient and fast, and the actual use requirements are better met.

The invention discloses a garbage treatment device and method in the technical field of garbage treatment.The garbage treatment device comprises a combustion furnace, the upper end of the combustion furnace is fixedly connected with a gas guide table, the upper end of the gas guide table is fixedly connected with a purification barrel, and the upper end of the purification barrel is fixedly connected with a releaser; a partition plate is fixedly connected to the lower end of the combustion furnace, a plurality of through hole strips distributed in a circumferential array are connected to the partition plate in a lap joint mode, and the through hole strips are jointly and fixedly connected with a fixing ring. When the fixing block leaves the inclined surface of the first wedge-shaped block, the fixing block, the telescopic rotating shaft and the fixing ring fall, and at the moment, the through hole strip on the fixing ring falls to act on the partition plate; when the partition plate vibrates to vibrate ash on the leakage holes to dredge the leakage holes, the through hole blocks on the through hole strips extrude the ash accumulated on the leakage holes of the partition plate to further dredge the leakage holes, and the partition plate can better leak the ash out.

The invention discloses new energy air purification equipment which comprises a wall body, an external machine body is arranged on the outer side of the wall body, a first motor and a first rotating vane are arranged in the external machine body, metal meshes are arranged in the external machine body in an array mode, a photovoltaic panel is arranged above the external machine body, and an internal machine body is arranged on the inner side of the wall body. The inner machine body and the outer machine body are connected through a communicating pipeline, an air filter element is inserted into the inner shell in a penetrating mode, a second motor and second fan blades are arranged above the air filter element, the second motor is sleeved with an auxiliary filter sleeve, and an air outlet assembly is connected to the upper portion of the auxiliary filter sleeve in an inserted mode. According to the air purifier, the photovoltaic panel collects energy to supply power to the first motor, the first motor sucks air and enters the internal machine body through the communicating pipeline, the internal machine body purifies and decelerates the air through the air filter element and the air outlet assembly, and the purified air is exhausted into a room.

The invention discloses a teaching laboratory air detection and purification device, which comprises a device body, wherein a gas analysis instrument is arranged inside the device body; a sampling pipe is arranged at the end side of the gas analysis instrument; a filtering screen is arranged inside the sampling pipe; a first fan is arranged at one side of the gas analysis instrument; one side of the first fan is connected with a first air inlet pipe, the first fan is connected with a first liquid storage tank through a first exhaust pipe; a second fan is arranged at one side of the first fan;one side of the second fan is connected with a second air inlet pipe; the second fan is connected with a second liquid storage tank through a second exhaust pipe; the first liquid storage tank and thesecond liquid storage tank are connected through a mother pipe. The content of each ingredient of toxic gas in the air is detected through the gas analysis instrument; the guidance and purification on the toxic gas in the air can be fast and conveniently realized by controlling the operation of the first fan and the second fan.

The invention discloses an anti-odor and easy-to-clean squatting device, which comprises a base, the upper surface of the base is provided with a stool tank and a urinal, and the surfaces of both sides of the toilet tank and the urinal are provided with anti-slip lines , the front edge of the urinal is provided with a stopper, and the stopper is a hollow structure, and the surface of the side of the stopper close to the urinal is evenly distributed with a plurality of first openings communicating with its inner cavity, the The upper surface of the base is also provided with an annular protrusion arranged along its edge, the annular protrusion is a hollow structure, and the inner surface of the annular protrusion is evenly distributed with a plurality of second openings communicating with its inner cavity. The inner cavity of the annular protrusion communicates with the inner cavity of the stopper through a pipeline, and two vertical supports are arranged on the upper side of the rear end of the base, and a water tank is erected on the top of the supports. The invention can avoid the influence of the surrounding air quality due to the leakage of the odor into the surrounding air; at the same time, the tank cover can be quickly opened or closed, which is convenient and hygienic.

The invention discloses a drainage system for condensate water of a soil-air heat exchanger and a using method of the drainage system. The drainage system is used for drainage of condensate water in a multi-path parallel soil-air heat exchanger. The discharging system comprises a fan, a liquid collecting tank and a water discharging pipe; the fan is arranged at the inlet end of the multi-path parallel soil-air heat exchanger; the liquid collecting tank is arranged in parallel at a branch pipe position where condensed water is most easily generated in the multi-path parallel soil-air heat exchanger; one end of the drain pipe is connected with the water outlet of the liquid collecting tank, and the other end extends above the ground; the liquid collecting tank is used for collecting condensate water accumulated in the soil-air heat exchanger, the condensate water is regularly discharged through the drainage pipe, microorganism breeding caused by long-term accumulation of the condensate water is avoided, the heat exchange efficiency of the soil-air heat exchanger is improved, and the quality of air fed into a room is guaranteed.