88results about How to "Ensure environmental quality" patented technology

The invention discloses a feces-urine separated type water-saving ecological restroom. The feces-urine separated type water-saving ecological restroom comprises a feces-urine separated type squatting pan which collects urine and feces respectively. The urine enters a urine collecting pool through a filtering screen of a collecting port, and feces enters a conical compost reactor through a feces flushing groove. The urine collecting pool is internally provided with a floating ball, the bottom of the urine collecting pool is externally provided with a water pump, and the water pump can connect the urine in the urine collecting pool to the position above the feces flushing groove through a water inlet of a shrinkable type water absorbing pipe and a flushing pipe. The conical compost reactor is provided with a feed port, and is internally provided with an internal spiral agitator and an external spiral agitator, and a mechanical transmission device provides power for the internal spiral agitator and the external spiral agitator through a rotating shaft. The conical compost reactor is further provided with a temperature control device, a humidity detecting device, a temperature monitoring device and a heating layer. Feces and reaction media are mixed better, the water resource is saved, the pipe screen load is reduced, and environment pollution is avoided.

The invention discloses an automatic and continuous bag-breaking and unloading device. The automatic and continuous bag-breaking and unloading device comprises a bag reshaping area, a belt conveyer and a bag-breaking unloading area which are arranged on the front, middle and rear sections respectively. The bag-breaking reshaping area comprises a vibration machine frame and a spring supporting frame, wherein the spring supporting frame is arranged above the vibration machine frame in an erected mode; the vibration machine frame is provided with a transmission roller mechanism; a floating interval where bags pass in a reshaping mode is kept between the spring supporting frame and the transmission roller mechanism; the front portion of the belt conveyer is in butt joint with the transmission roller mechanism, and the rear portion of the belt conveyer is in butt joint with the bag-breaking unloading area; the bag-breaking unloading area comprises a rack, a hook mechanism, a cutter, a vibration sieving mechanism, an empty bag collecting frame and a dustproof mechanism. The automatic and continuous bag-breaking and unloading device is simple and compact in structure, integrates the integration and reshaping procedure and the bag-breaking unloading procedure, realizes an automatic and continuous production mode of bag reshaping and bag-breaking unloading, is economical and durable, and is not prone to having faults after being operated for a long time.

The invention discloses a device for washing phosphoric acid tail gas and cogenerating sodium fluosilicate. The device comprises a venturi tube, a washer liquid tank, a washing tower I, a washing tower II, a tail gas washer, a defoamer, a tail gas fan, a tail gas chimney, a washer liquid geosyncline, a venturi tube washing pump, a filter press feed pump, a frame filter press, a fluosilicic acid pool, a fluosilicic acid pump and a sodium fluosilicate reaction tank. The invention also discloses a process for washing phosphoric acid tail gas and cogenerating sodium fluosilicate. The process comprises the following steps: washing the phosphoric acid tail gas with water, wherein the fluosilicic acid is dissolved in water; adding sodium sulfate into the water with the dissolved fluosilicic acid for reaction to generate sodium fluosilicate and sulfuric acid; and filtering to obtain sodium fluosilicate. The invention solves the problem of using the byproduct fluosilicic acid in the production process, improves the operation quality of the environmental protection equipment in plants, guarantees the environment quality and creates new economic growth points.

The invention relates to a method and device for determining a construction space of a heat-engine plant on the basis of a PM2.5 forming contribution rate. The method comprises the following steps: obtaining a reference year polluted atmosphere discharge amount and a target year polluted atmosphere discharge amount of a preset type of an atmosphere pollution source; respectively obtaining a reference year high-temporal-spatial resoluted atmosphere discharge list and a target year high-temporal-spatial resoluted atmosphere discharge list; respectively inputting the reference year high-temporal-spatial resoluted atmosphere discharge list and the target year high-temporal-spatial resoluted atmosphere discharge list into an air quality model to obtain contribution from the heat-engine plant to the concentration of the PM2.5 in the reference year and contribution from the heat-engine plant to the concentration of the PM2.5 in the target year; and when the contribution from the heat-engine plant to the concentration of the PM2.5 in the target year is less than the contribution from the heat-engine plant to the concentration of the PM2.5 in the reference year, determining that the construction space of the heat-engine plant exists in the target year. According to the method for determining the construction space of the heat-engine plant, the rate of contribution from the heat-engine plant to the concentration of the PM2.5 is fully considered, and the method can be used for determining whether the heat-engine plant has the construction space or not on the basis of the rate of contribution to the concentration of the PM2.5.

The invention discloses a fish breeding box. The box comprises a box body, a box water inlet and an overflow port are formed in the box body, and the box body water inlet and the overflow port are respectively connected with a water pipe and a discharging pipe; the water pipe is connected with a pond, the breeding box further comprises a solid-liquid separator, the discharging pipe is connected with a water inlet of the solid-liquid separator, and a water outlet of the solid-liquid separator is connected with the pond. According to the fish breeding box, pond water enters into the box body through the water pipe, a water level inside the box body reaches a certain level, the water inside the box body is discharged from the overflow port and passes through the solid-liquid separator and isdrained back to the pond, thereby forming a circulation; the pond is utilized as a buffer and water processing system, water environment quality inside the box body is ensured, the solid-liquid separator is utilized to separate larger solid particulate matters such as faeces and the like from the water inside the box body, thereby reducing the self-purification burden of the pond, the separated faeces can be recycled and used as ecological fertilizer for agricultural planting and the like, the whole breeding box is simple in structure and is applied to the field of fish breeding devices.

The invention discloses a potassium superoxide air regenerating device for emergent risk avoiding under coal mines, which comprises a device main body, wherein the device main body adopts a hollow cavity structure; the device main body comprises an air inlet area, a reaction area and an air discharge area from the bottom up sequentially; a lower air permeable diaphragm is arranged between the air inlet area and the reaction area; the reaction area is divided into an upper cavity, a middle cavity and a lower cavity; middle air permeable diaphragms are arranged between the three cavities; and each of the upper cavity, the middle cavity and the lower cavity is provided with a potassium superoxide reactor inside. The potassium superoxide air regenerating device is perfect and reasonable in structure, convenient in use and easy to maintain; the device requires no power when working; no substance harmful to human and the environment is generated during the working process and after the reaction is terminated; and while CO2 is eliminated, harmful gases such as CH4, CO, H2S, SO2, NOX and the like are absorbed and cleansed. The potassium superoxide air regenerating device provided by the invention is controllable and can be used for continuously supplying oxygen to airtight space.

The invention discloses a step-by-step method for controlling the total amount of air pollution. The method includes: performing basic reduction quantity calculation of pollution sources; calculating affirmative reduction quantity with a multi-source model method; performing optimal allocation of total amount controlled load. An A-P value method and the multi-source model method are integrated, an optimal allocation model is introduced, and a method system which is reasonable in technology and economically feasible is formed.

The invention provides a gas leakage monitoring system and method for a gas field station. The system comprises field monitoring equipment used for correspondingly acquiring combustible gas concentration data and video data of monitoring positions through laser combustible gas detectors and cameras, analyzing the combustible gas concentration data to obtain concentration analysis results and carrying out target analysis on the video data to obtain target recognition results, a server used for receiving the combustible gas concentration data, the video data, the concentration analysis results and the target recognition results sent by the field monitoring equipment, and a background monitoring terminal used for receiving and storing the combustible gas concentration data, the video data, the concentration analysis results and the target recognition results, and giving an alarm when it is judged that gas leakage occurs in the monitoring positions according to the concentration analysis results and the target recognition results. The gas leakage monitoring system can conveniently and accurately perform remote monitoring on the gas leakage of the gas field station.

The invention discloses a sewage deodorant, including the following materials by weight: 20-30 portions of vanadium pentoxide, 20-30 portions of copper chloride, 10-20 portions of phosphoric acid, 15-25 portions of aluminum oxide, 10-20 portions of aluminum ash, 30-50 portions of a slow releasing agent and 180-240 portions of water. The deodorant provided by the invention has the advantages of high deodorization rate, easily available and cheap raw materials, effective combination with and removal of substances in the odor emitted from sewage, simple manufacturing process and long removal time.

The invention discloses a steel product macroscopic examination device. A steel product acid dipping test erosion integration device comprises a compressed air source, a vapor source, a tap water source, an acid liquor preheating circulating system, an acid dipping test circulating system, an acid fog neutralizing tower, a rinse tank and a waste liquid tank , wherein the acid liquor preheating circulating system comprises an acid liquor preheating tank and a graphite heat exchanger which are successively connected, and the graphite heat exchanger returns to the acid liquor preheating tank through an acid buffer pool and an acid returning middle tank; the acid dipping test circulating system shares each device of an acid liquor preheating system and a pickling tank is arranged between the graphite heat exchanger and the acid liquor buffer pool, and the compressed air source can control pneumatic valves at the acid liquor inlet and acid liquor outlet of the pickling tank through a pneumatic control box; the acid fog neutralizing tower is controlled by an electric control cabinet and is connected with the pickling tank, the tap water source is connected with the cold water inlet of the rinse tank and is simultaneously connected in parallel with a water heater and is connected with the hot water inlet of the rinse tank; and the outlets of the rinse tank and the pickling tank are respectively connected with a waste liquid storage tank. The steel product macroscopic examination device provided by the invention has the advantages that the heating speed is rapid and uniform, and the acid concentration is unaffected.

The invention provides a chopping board grinding machine. The chopping board grinding machine comprises a chamfering mechanism, a coarse grinding mechanism, a finish grinding mechanism, a transport mechanism and a rack, wherein the chamfering mechanism comprises a fixing unit and a corner chamfering unit; the fixing unit is equipped with a fixing power module and a movable power module; the coarse grinding mechanism comprises a coarse grinding unit and edge chamfering units; the finish grinding mechanism comprises a finish grinding unit and a gas spray unit; and the transport mechanism is used for transmitting a chopping board between every two mechanisms. The chopping board grinding machine provided by the invention can realize processes of automatically corner chamfering, coarse grinding, edge chamfering and finish grinding; during finish grinding processing, gas is sprayed through the gas spray unit, so that cleanness of the board surface of the chopping board can be guaranteed to be relatively high during finish grinding processing, and therefore, a defective rate of chopping board production is reduced; and meanwhile, sealed type processing machinery ensures integral environment quality of a processing plant, so that health of a worker is guaranteed, and labor amount of the worker is reduced.

The invention discloses abrasion-resisting priming paint. The abrasion-resisting priming paint is composed of, by weight percentage, 10-25% of titanium dioxide, 0.1-0.3% of soybean-oil phosphatidyl choline, 0.6-0.8% of carbon fibers, 0.4-0.8% of dryer and 4-6% of anti-skinning agents. The abrasion-resisting priming paint will not pollute air, guarantees that environment quality will not be damaged, and meanwhile is strong in abrasion resistance and easy to clean and wash.

The invention discloses a powder bagging control method. The powder bagging control method comprises the steps that firstly, the length of a telescopic feeding pipe is controlled, a bag opening mechanism at the bottom of the telescopic feeding pipe is made to extend into the opening end of a packaging bag; secondly, the bag opening mechanism is controlled to completely open the opening end of the packaging bag, the telescopic feeding pipe is lengthened again, and the lowest end of the telescopic feeding pipe is made to extend into the packaging bag; and finally, a valve of a feeding hopper is opened, and powder enters the packaging bag through the telescopic feeding pipe. The overall length of the telescopic feeding pipe can be adjusted according to the packaging bags of different specifications and heights, and then the telescopic feeding pipe extends into the packaging bags; besides, the bag opening mechanism at the bottom of the telescopic feeding pipe can open the packaging bags, so that sealed feeding is achieved; in this way, it is guaranteed that no powder flies out during feeding, the material cost is lowered, and the environment quality is guaranteed during feeding.

The invention discloses an intelligent welding robot. Including a base, a supporting table is arranged on the base. A mechanical arm is arranged on the supporting table; a laser welding head is arranged at the end part of the mechanical arm; a motor is further arranged on the base, a rotating shaft is arranged on the motor, a supporting plate is fixedly installed on the rotating shaft, a buffer sleeve is arranged on the supporting plate, a buffer rod is slidably arranged in the buffer sleeve, a clamping base is arranged on the buffer rod, a spring is arranged on the buffer rod, the two ends ofthe spring are connected with the clamping base and the buffer sleeve respectively, and a connecting block is fixedly installed at one end of the clamping base. According to the intelligent welding robot, through cooperation of clamping plates on four clamping bases and the moving effect of an air cylinder, a plate body can be erected and clamped, through rotation of a motor, the plate body can rotate to be matched with a laser welding head for welding work, balls can achieve the auxiliary rotating effect, and the supporting pressure on a rotating shaft is reduced.

The invention provides fruit optimizing equipment with a cleaning-airdrying functions. The fruit optimizing equipment mainly comprises a feeding device, a horizontal conveying device, a detecting device, screening and discharging devices and a cleaning-airdrying device. The overall structure of the feeding device is a transverse groove with certain height. The horizontal conveying device is composed of a horizontal conveying belt formed by rolls. The detecting device taking an industrial camera as a core and the screening and discharging devices are arranged above the horizontal conveying belt. The cleaning device is arranged in the middle of the horizontal conveying device, and mainly comprises a first-stage water inlet pipe, a second-stage water inlet pipe, a middle water storage pipe, arolling brush and a belt wheel. An airdrying device is arranged below the cleaning device, also adopts a two-stage structure, and mainly comprises a first-stage air inlet pipe, a second-stage air inlet pipe and a middle air storage pipe. According to the fruit optimizing equipment, a cleaning and airdrying structure adopting two-stage division is designed, an efficient and deep cleaning and airdrying effect is guaranteed, and the cleaning and airdrying cost of the fruit optimizing equipment is reduced.

The invention relates to an automatic operation method for mixing, sample melting and soot blowing of fire assays, and belongs to the field of fire assays. The method comprises the steps of automaticmixing, automatic sample melting, automatic soot blowing and the like, and a sample melting furnace, a soot blowing furnace and a mechanical arm system are arranged in a high-temperature area; a mixing station and a silver nitrate and covering agent adding station are arranged in a normal temperature area; and samples or objects are conveyed between the high-temperature area and the normal-temperature area through a conveying line and a sliding table, manual one-by-one sample operation is changed into mechanical batch operation, and operation of mixing, sample melting and soot blowing of 40 samples can be conducted at the same time in each batch. The detection efficiency and the detection data stability are greatly improved, the manual operation error is reduced, the labor environment is improved, the occupational safety risk is reduced, the physical expenditure of inspectors is reduced, and the economic benefits of enterprises are improved.

The invention discloses a pile foundation guide-pipe-rack-type semicircular protection cover breakwater with internal swinging-type wave power generation device. The pile foundation guide-pipe-rack-type semicircular protection cover breakwater comprises a guide-pipe-rack-type semicircular protection cover breakwater and a swinging-type wave power generation device; the guide-pipe-rack-type semicircular protection cover breakwater comprises a steel pile foundation, a guide pipe truss, a cross-beam-type breakwater top deck platform and a semicircular arch ring dike dam; the swinging-type wave power generation device comprises a plurality of driving devices and power generation devices; each driving device comprises a float-type swinging hammer, a swinging arm, a hydraulic cylinder piston telescopic rod, a fixing ring, a hinge shaft and a linking pin; and each power generation device comprises a storage battery, a hydraulic motor and a rotation motor. According to the pile foundation guide-pipe-rack-type semicircular protection cover breakwater, each swinging arm is connected with the corresponding hydraulic cylinder piston telescopic rod, so that when waves reach the breakwater and are baffled by the guide-pipe-rack structure, and vibration of the waves is aggravated, each float-type swinging hammer swings vertically, and each hydraulic piston rod is driven to telescope; high-pressure oil is conveyed to the hydraulic motors, so that wave energy is converted into hydraulic energy; and finally, the hydraulic energy is converted into electric energy through the power generatorsconnected with the hydraulic motors.

The invention relates to a greenhouse with a ventilating function. The greenhouse comprises a wall body. A ceiling is arranged at the upper end of the wall body. A ventilating device is arranged on the wall body, and comprises a window plate arranged on the wall body. A vent hole is formed in the wall body and runs through the wall body. The lower side of the window plate is hinged to the lower edge of the vent hole. The outer edge of the window plate and the inner wall of the vent hole are each provided with a sealing elastic layer. Louver blades are arranged in the vent hole and provided with grids. A power channel is arranged in the vent hole. A motor and a fixing frame for fixing the motor are arranged in the power channel. An impeller is arranged at the output end of the motor. A filtering channel is connected with the power channel. A coarse filter screen and a fine filter screen are sequentially arranged on the filtering channel from outside to inside. A silent plate wraps the outer surface of the filtering channel. A flame-retardant plate wraps the outer surface of the silent plate. The greenhouse of the structure has a high ventilation property and high safety.

The embodiment of the invention relates to the technical field of rainwater collection and purification of sponge cities, and provides an overflow opening structure of a biological detention facility.The overflow opening structure comprises a low-return-period overflow pipeline, an overflow well and a siphonage pipeline, a pipe opening of the low-return-period overflow pipeline is lower than a wellhead of the overflow well, one end of the siphonage pipeline is connected with the low-return-period overflow pipeline, the other end of the siphonage pipeline is connected with the overflow well, the end, connected with the low-return-period overflow pipeline, the siphonage pipeline is higher than the end, connected with the overflow well, of the siphonage pipeline, and the lower part of the overflow well communicates with a rainwater pipeline. The overflow opening structure of the biological detention facility has multi-stage overflow to achieve overflow drainage at different return periods, a siphonage drainage mode is adopted to increase the instantaneous drainage flow rate and improve the overflow capacity, the problems of insufficient overflow capacity and facility water accumulating of a biological detention facility are avoided, the overall structure is simple, the cost is low, the effect is significant, and use mounting and later operation and maintenance are convenient.

The invention discloses a lead silicon chromate alcohol acid anticorrosion primer which consists of the following components (in weight percent): 6-8% of long oil length linseed oil alkyd resin, 20-21% of linseed oil, 0.12-0.16% of soybean lecithin, 63-67% of lead silicon chromate alcohol acid, 0.3-0.5% of bentonite, 0.15-0.25% of ethanol, 0.8-0.9% of drier and anti skinning agent and 5-6% solvent oil No. 200. The lead silicon chromate alcohol acid anticorrosion primer can ensure that the environment quality is not destroyed, and moreover, the product has a relatively stronger aging resistance, cannot be frosted to warp, and is easy to clean and wash.

The invention discloses an intelligent toilet monitoring method and system. The method comprises the following steps: acquiring environment data, personnel flow and squatting position occupation data in a toilet; according to a comparison result of the environment parameters and a preset environment quality standard, controlling a fresh air system to be started, and adjusting the running state of the started fresh air system according to the personnel flow; judging the occupancy time of the occupied squatting positions in the squatting position occupancy data, and if the occupancy time exceeds a preset time, starting an intervention mode and giving an alarm. The environment quality in the toilet and the safety of a user are guaranteed by monitoring the temperature, humidity, smoke concentration, abnormal smell and other environments in the toilet and monitoring the personnel flow and the squatting position occupation condition.

The invention discloses a finished printed circuit board short-circuit fault point detection device and method, and relates to the technical field of finished printed circuit board quality detection.The finished printed circuit board short-circuit fault point detection device comprises a detection workbench, a continuous rapid positioning mechanism is arranged at the top of the detection workbench, and a pretreatment mechanism is arranged on the left side of the detection workbench; the continuous rapid positioning mechanism comprises a protruding frame and a turning frame, and the protruding frame is fixedly welded to the top of the detection workbench. By controlling the conveying belt to work, a circuit board on the top of the conveying belt can be automatically conveyed to the position near the bottom of the thermal imager body, then the circuit board is powered on, and the thermal imager body is controlled to work when abnormal high temperature occurs at a short-circuit fault point on the circuit board in the power-on process; the display screen displays the heat radiation picture of the circuit board, if a short-circuit fault point exists on the circuit board, the color of the heat radiation picture at the position is obviously different from that at a normal position, and then the short-circuit fault point can be quickly positioned and processed.

The invention relates to the technical field of environmental pollution monitoring equipment, in particular to a multi-source fusion pollution monitoring device which comprises a box body of a hollowstructure. According to the multi-source fusion pollution monitoring device, monitoring mechanisms on the two sides are driven to move in the vertical direction by an arranged height adjusting mechanism, and therefore the air pollution degrees of different heights can be monitored conveniently; the multi-source fusion pollution monitoring device is provided with a monitoring mechanism, namely, anenvironment monitor is arranged in a shell body; on one hand, an arranged waterproof cover plate can prevent an environment monitor from being exposed to the sun and rain, normal operation of the environment monitor is guaranteed, and the service life of the environment monitor is prolonged; on the other hand, an air inlet groove, an air outlet groove and a fan are arranged to guarantee that the environment monitor can monitor the environment quality in real time, and multi-source fusion monitoring of multiple factors such as the dust content and the temperature and humidity in air is facilitated.

The invention discloses latex paint which comprises 12-30% of cobalt naphthenate, 1.5-2.3% of flatting agent, 5.5-10% of high-strength cellulose, 4.6-8.2% of silicon dioxide ultrafine powder, 1.3-2.5%of manganese naphthenate, 15-18% of long oil linseed alkyd resin, 6.6-8.0% of pure acrylic emulsion and 45-55% of deionized water. The latex paint does not pollute air, and ensures that environmentalquality is not damaged; and at the same time, the latex paint is higher in ageing resistance and easy to clean and turn over for cleaning.

The invention relates to a coke oven escaping smoke dust distributed dust removal system and a working method thereof, the system comprises a plurality of dust removal adsorption filtering units and aplurality of dust removal units which are arranged on a coke oven smoke dust collection cover, and the plurality of dust removal adsorption filtering units are correspondingly connected with one dustremoval unit; the dust removal adsorption filtering unit comprises a filter body, and a filtering fan and an adsorption filtering device which are arranged in the filter body; the dust removal unit comprises a dust remover body, a dust removal fan and a dust removal device, wherein the dust removal fan and the dust removal device are arranged in the dust remover body. The air filtering device isused for filtering air in the coke oven smoke dust collecting cover and exhausting clean air reaching the standard into the atmosphere, so that the air pollution degree of a coke oven working area isreduced; the system is good in dust removal effect, low in operation cost, small in occupied area and easy and convenient to construct and maintain.

The invention discloses a self-starting dustless purifying device. The self-starting dustless purifying device comprises a water spraying pipe and a self-starting control circuit; a primary coil of acurrent transformer L of the self-starting control circuit is connected with a power supply circuit of a load in series, a secondary coil of the current transformer L is connected with an electrolyticcapacitor C1 to be charged by virtue of a rectifying diode D1, the electrolytic capacitor C1 is discharged by virtue of a discharging resistor R2 and a discharging resistor R1, a potential is appliedto a base electrode of an NPN-type triode G1, the NPN-type triode G1 is discharged by virtue of a discharging resistor R3 and a discharging resistor R4 after being switched on, a potential is appliedto a base electrode of a PNP-type triode G2, the PNP-type triode G2 is switched on, a relay electrifying coil is electrified, a switch of a relay is closed, a water pump is started, and the water spraying pipe is started to spray water. The self-starting dustless purifying device can be self-started to realize the spray purification according to the starting of the load, does not require to be handheld to control the spraying, and is simple in control and convenient in use.

The invention provides a closed type urban garbage incinerating boiler for incinerating urban garbage, which comprises a boiler body, a water tank, a combustion chamber and a fly ash outlet, wherein the combustion chamber is provided with an incinerating plate, the width of the incinerating plate is consistent with the width of the combustion chamber, the groove type incinerating plate divides the combustion chamber into a combustion cavity and a combustion-supporting cavity and is provided with through holes, and introduced mixed oxygen passes through the combustion-supporting cavity and enters into the combustion cavity through the through holes on the incinerating plate to support the combustion of the garbage dried by a drier. The combustion temperature of the incinerating boiler can reach above 850 DEG C; the incineration of the garbage can be controlled over 2 seconds; the production of dioxins and furans can be effectively inhibited; and produced fly ash (smoke) can only be discharged out of the fly ash outlet, so that convenience is provided for the treatment of the fly ash.

The invention discloses an exterior wall latex paint. The latex paint comprises 35-50% of titanium dioxide, 3.56-4.55% of polyvinyl alcohol, 20-30% of a silane coupling agent, 0.56-0.78% of a thickener, 1.2-1.5% of a defoamer, 3.6-4.8% of long oil linseed alkyd resin, 10.3-12.9% of nanometer titanium dioxide and 50-60% of deionized water. The exterior wall latex paint has the advantages of no pollution to air, ensuring of the environmental quality from being destroyed, high ageing resistance, and easiness in cleaning and renovating.

The invention discloses a workshop air purification device which comprises an air purification tower and an air inlet pipe and an exhaust pipe which are connected with the air purification tower. Airpurification filtering liquid and a microbubble pipe are arranged inside the air purification tower; an exhaust fan is mounted at one end of the air inlet pipe, and the other end of the air inlet pipeextends into the bottom of the air purification filtering liquid and is connected with the microbubble pipe; the microbubble pipe is provided with a plurality of microbubble holes; a liquid injectionport is formed at the top of the air purification tower; a drain outlet is formed at the bottom of the air purification tower; the liquid injection port is provided with a liquid injection valve; theliquid injection valve is connected with a water inlet pipe; the drain outlet is provided with a drain valve; the drain valve is connected with a water outlet pipe. According to the invention, by thedevice, air in a production workshop can be filtered and is discharged after unpleasant odor is removed so as to implement air circulation in the production workshop, improve quality of the air environment, ensure body health of workers and ensure quality of the surrounding environment.