38results about How to "Improve purification quality" patented technology

The utility model discloses an interior decoration environment-friendly formaldehyde removal device which comprises a base, universal wheels capable of being braked are fixedly connected to the four corners of the bottom of the base, and an air suction hopper is fixedly connected to the top of the base. Through cooperation of the base, the universal wheels capable of being braked, the air suction hopper, the air suction machine, the communicating pipe and the purification box, air with formaldehyde can be sucked into the purification box, and then formaldehyde is removed through cooperation of a formaldehyde removing agent, a sliding strip, a sliding plate, an activated carbon filter plate, a photocatalyst filter plate, a photocatalyst generator and an exhaust port. According to the formaldehyde treatment device, formaldehyde can be chemically fixed through chemical substances, the formaldehyde removal efficiency can be improved, harmful secondary products cannot be generated, then the activated carbon filter plate is used for physical adsorption, finally, formaldehyde is decomposed through the photocatalyst filter plate, and then purified air is exhausted through the exhaust port. Therefore, the formaldehyde removal efficiency and effect can be improved.

The invention relates to a purification method and purification equipment for calcium dobesilate, and the purification equipment comprises a kettle body, a filter screen; an activated carbon layer; the middle shaft and the partition plate are arranged in a synchronous lifting mode in the axial direction of the middle shaft; the upper stirring blade and the lower stirring blade are rotationally arranged together with the middle shaft; the multiple disturbance rods penetrate through the partition plate, and the multiple disturbance rods surround the periphery of the stirring area of the upper stirring blade; a driving mechanism for driving the middle shaft to drive the upper stirring blades to synchronously rotate and a lifting mechanism for driving the middle shaft to drive the partition plate to synchronously lift are arranged outside the kettle body. Dissolution, adsorption, filtration, crystallization and discharging procedures in a calcium dobesilate purification process can be realized in only one kettle body, an intermediate product does not need to be transferred in the process of joining all the procedures, the purification efficiency can be improved, and by means of control over uniform temperature drop in the crystallization procedure, the purification efficiency can be improved. The particle size consistency of precipitated calcium dobesilate crystals can be improved, so that the purification quality is improved.

This utility model discloses a purification device for natural methyl cinnamate, including a purification tank. A heating jacket is installed on the outer side of the bottom of the purification tank. A rotating shaft is rotatably installed in the middle of the bottom of the purification tank via a mechanical seal. Natural methyl cinnamate and other materials are transported into the purification tank. The solution is heated by using the heating jacket. During this process, the installation sleeve and stirring blades are controlled to rotate. The stirring blades can stir the solution inside the purification tank. At the same time, the installation sleeve is driven to rise intermittently, and the stirring blades on the installation sleeve will rise and fall intermittently, which can push the solution inside the purification tank to flow up and down, improving the stirring quality of the solution inside the purification tank. Meanwhile, the rotation of the rotating shaft will drive the pusher ring to rotate. The pusher ring can push the material adhering to the inner wall of the purification tank, preventing the material from sticking to the inner wall of the purification tank under prolonged heating, thus improving the purification quality of natural methyl cinnamate.

This invention relates to a dual-coolant circulation and purification device for a vertical machining center, belonging to the technical field of vertical machining centers. It includes a machining body, with a support shell fixedly installed on the bottom surface of the machining body. A flow guiding platform is fixedly installed inside the machining body, and a product fixture is fixedly installed on the top surface of the flow guiding platform. A partition inclined plate is fixedly installed on the inner wall of the support shell. A coolant inlet is provided on both sides of the lower inner wall of the machining body opposite to the flow guiding platform and on the top surface of the support shell. A conical coolant discharge cylinder is fixedly installed on the upper inner wall of the support shell below the coolant inlet. This invention increases the cooling quality of the coolant through a dual-stage cooling process and improves the purification quality of the coolant through multi-stage filtration, ensuring the normal operation of the machine body. Furthermore, this device avoids the need to stop the machine to clean impurities at the filter structure location, ensuring the performance of the machine body.

The utility model discloses composite material dedusting and purifying equipment, and relates to the technical field of composite material processing dedusting, the composite material dedusting and purifying equipment comprises a purifying box main body and a filter screen, a cleaning structure is arranged between the filter screen and the purifying box main body, the cleaning structure comprises a cleaning plate, a scraping plate and a driving assembly, and a rotating brush is rotatably arranged in an inner cavity of the cleaning plate; the driving assembly is used for moving the position of the cleaning plate. Through the arrangement mode that the cleaning structure is matched with the rotating structure, dust adhering to the filter screen can be cleaned after the filter screen filters the dust, so that the end face of the filter screen can be scraped after friction while the dust on the filter screen is rubbed to fall off, and the dust removal efficiency is improved. And therefore, the dust cleaning completeness can be guaranteed, dust on the filter screen can be completely cleaned through single-time position descending of the cleaning plate, the cleaning speed is high, the efficiency is high, the filtering effect of the filter screen is effectively improved, and the purification quality of the purification box body is further improved.

The utility model relates to wastewater treatment technical field discloses a wastewater treatment equipment for environmental protection engineering, including wastewater tank and filter bucket, the rear side fixed connection of wastewater tank has motor groove no.

This invention relates to the field of high-purity aluminum purification technology and discloses a high-purity aluminum vacuum purification device, including a support and a crucible fixedly connected to the top of the support. The crucible has several release grooves on its bottom circumference, a heating assembly is arranged around the crucible, a sealing cover is movably hinged to the top of the crucible, an air extraction port is provided at the upper end of the sealing cover, a locking ring is rotatably connected to the bottom of the sealing cover, and several locking grooves are arranged around the outer circumference of the locking ring. Several locking blocks arranged in a circumferential array are fixedly connected to the inner wall of the top of the crucible. This invention, through the automatic closing and locking assembly of the sealing cover, can control the uniform pressure applied to all parts of the sealing cover edge, resulting in rapid and reliable sealing operation, thereby enhancing sealing performance and improving purification quality. Furthermore, without affecting purification quality, it greatly increases the purification rate of high-purity aluminum, achieving uniform cooling of the aluminum ingot from the core to the outer wall, ensuring the stability of directional crystallization.

The application relates to the technical field of industrial waste gas purification, and discloses an activated carbon adsorption industrial volatile gas purification equipment, which comprises an industrial volatile gas purification cabinet, a partition plate is fixedly installed in the industrial volatile gas purification cabinet, a waste gas inlet pipe located below the partition plate is fixedly communicated with the left side of the industrial volatile gas purification cabinet, two volatile gas purification treatment boxes located above the partition plate are fixedly installed in the industrial volatile gas purification cabinet, and the sides, away from each other, of the two volatile gas purification treatment boxes both extend to the outside of the industrial volatile gas purification cabinet. The application has the following advantages and effects: the two volatile gas purification treatment boxes are alternately used to comprehensively and efficiently adsorb and purify volatile gas in industrial waste gas, the activated carbon particles in the volatile gas purification treatment boxes can be replaced without stopping the machine, the work efficiency is improved, and the continuity of industrial production and waste gas purification treatment is ensured.

The utility model discloses a kind of separation and purification system of secondary steam in MVR evaporation system, including cylinder, cylinder is sequentially distributed with cyclone separation chamber, purification settling chamber and silk screen demisting chamber from bottom to top, cyclone separation chamber middle part has spray washing chamber, spray washing chamber bottom is connected with cyclone separation chamber, spray washing chamber top is connected with purification settling chamber, cyclone separation chamber is connected with steam inlet pipe, silk screen demisting chamber is connected with steam outlet pipe, cyclone separation chamber has collection tank, collection tank is used to collect the droplet of secondary steam being thrown to cylinder wall, spray washing chamber has spray pipe, spray pipe is used to spray atomized washing liquid contact secondary steam absorption volatile component contained;By cyclone separation, countercurrent spray washing, sedimentation and silk screen demisting four-stage treatment process, liquid droplet, mist droplet and volatile component in secondary steam are purified gradually, greatly improve the purification quality of secondary steam, effectively solve the problem of poor effect of traditional purification mode.

This invention relates to the field of coated sand regeneration dust removal technology, and discloses a coated sand fluidized bed cyclone dust collector, including a shell, a waste box fixedly connected to the top of the shell, a cyclone cylinder fixedly connected to the top of the waste box, an air supply mechanism installed on one side of the top of the cyclone cylinder, a top cover fixedly connected to the top of the air supply mechanism, an adsorption mechanism installed on the top of the top cover, and a discharge cylinder. This coated sand fluidized bed cyclone dust collector, through an indirect discharge mechanism, an anti-adsorption and shaking mechanism, a rotary dust removal mechanism, and an air duct guiding mechanism, achieves intermittent lifting and sealing of the discharge cylinder, intermittent discharge, and, in conjunction with a linkage vibration anti-blocking mechanism, a cylinder wall rotation self-cleaning mechanism, and a forced swirl guiding structure, stabilizes the internal airflow and improves the dust separation effect. The entire machine adopts an integrated mechanical linkage design, resulting in low manufacturing costs, effectively improving dust removal accuracy and sand recovery rate, and is suitable for large-scale continuous regeneration dust removal operations of coated sand.

The utility model discloses equipment for circulating and purifying gas in an annealing furnace, and relates to the field of metal processing equipment. The utility model relates to circulating and purifying equipment for gas in an annealing furnace, which comprises an annealing furnace body and further comprises a purifying cylinder, a gas inlet pipe, a gas outlet pipe and a gas outlet pipe, the filter plate is matched with the annular collecting box, large particles and part of fine dust in protective gas can be effectively intercepted, the dust can be more efficiently collected under the rotary centrifugal action, compared with a traditional filter screen for filtering, the dust intercepting capacity is higher, blockage is not prone to occurring, the trouble of frequently replacing the filter screen is reduced, and the service life of the filter screen is prolonged. The glass rod rubs with the ceramic fiber cushion to generate static electricity, so that tiny dust can be adsorbed, the defect that the filtering effect of pure physical filtering on tiny particles is poor is overcome, the gas purification quality is further improved, the risk of product flaws caused by deposition of dust on the metal surface is reduced, and blockage of dust to parts such as pipelines, valves and heat exchangers in the furnace is reduced; and efficient and stable operation of equipment is ensured.

A vulcanization tail gas treatment device for rubber production effectively solves the problem that the tail gas treatment effect is poor and comprises a base, a box is fixed to the base, the left side of the box is communicated with an air inlet, a plurality of baffles are fixed in the box in a staggered mode, and the interior of the box is divided into a first channel, a second channel and a third channel through the baffles. The first channel is communicated with the air inlet, a first spraying disc and a second spraying disc are installed in the box body, the first spraying disc is located at the joint of the first channel and the second channel, the second spraying disc is located at the joint of the second channel and the third channel, UV photolysis equipment located above the third channel is installed in the box body, and the top of the box body is communicated with a first pipeline. The first pipeline is communicated with a first filter pipe and a second filter pipe, the lower end of the first filter pipe and the lower end of the second filter pipe are both communicated with a second pipeline, a fan is installed on the base and communicated with the second pipeline, and the other end of the fan is communicated with an air outlet pipe.

The utility model discloses ceramic membrane equipment for purifying nano powder. The ceramic membrane equipment comprises a cleaning tank, a dispersing tank and a ceramic membrane component, the output end of the cleaning tank is communicated with the input end of the ceramic membrane component through a material conveying pipeline; a material conveying pump is arranged on the material conveying pipeline; a concentrated solution pipeline is connected to one end, for outputting concentrated solution, of the ceramic membrane assembly, a dialysate pipeline is connected to one end, for outputting dialysate, of the ceramic membrane assembly, and a first control valve is arranged on the concentrated solution pipeline; the input end of the dispersing tank is communicated with the concentrated solution pipeline through a first backflow pipeline, the communicated position is located between the first control valve and the ceramic membrane assembly, and the output end of the dispersing tank is communicated with the cleaning tank through a second backflow pipeline; a second control valve is arranged on the first backflow pipeline, and an ultrasonic generating device is arranged in the dispersing tank. When the ultrasonic dispersion device is used, a concentrated solution can be guided to flow back into the dispersion tank, and the powder is quickly and uniformly mixed and dispersed by the ultrasonic generation device arranged in the dispersion tank, so that the agglomeration of the nano powder is reduced, and the granularity uniformity of the nano powder is ensured.

The invention provides a plasma sterilization, disinfection and purification device for air in a livestock breeding house, and belongs to the technical field of air sterilization and purification. The plasma sterilization, disinfection and purification device for air in the livestock breeding house comprises a disinfection box, a shell and a disinfection and purification device, the disinfection and purification device comprises a driving mechanism, the driving mechanism comprises a driving motor and a rotating shaft, and the rotating shaft is rotationally arranged in the disinfection chamber; the sterilization assembly is arranged in the disinfection chamber and comprises a rotating drum mounted on a rotating shaft, a wave-shaped groove is formed in the rotating drum, and an electric wire used for generating plasma is arranged in the wave-shaped groove; by arranging the rotary drum and the wave-shaped grooves in the rotary drum and arranging the electric wires along the wave-shaped grooves, the length of the electric wires in unit volume is greatly prolonged, the density of plasma generation and the contact area with air are increased, and therefore the sterilization and disinfection effect is remarkably improved.

The application relates to the technical field of waste gas purification, and relates to a semiconductor production waste gas treatment process, which comprises the following steps: pretreatment, introducing an object into a preposition mechanism to participate in preposition dust removal treatment; air mixing treatment, introducing the object output by the preposition mechanism into an air mixing mechanism to participate in slow flow speed reduction treatment; purification treatment, introducing the object output by the air mixing mechanism into a purification mechanism to participate in plasma combustion purification treatment; cooling treatment, introducing the object output by the purification treatment into a cooling mechanism to participate in cooling treatment; and discharge treatment, discharging the object output by the cooling mechanism through an external discharge mechanism. The application is favorable for solving the problems that some existing plasma purification equipment has difficulty in removing impurities and the purification effect is affected by the change of air flow when treating waste gas.

The utility model discloses a gas purification and compression storage tank, which belongs to the technical field of gas purification and comprises a storage tank body and filler arranged in the storage tank body, and the upper portion of the storage tank body is communicated with a feeding pipe. A rotating shell and a dislocation plate in the rotating shell are arranged below a feeding pipe, so that a worker can conveniently debug the speed of gas entering the storage tank body, gas with different properties can be in full contact with filler in the storage tank body, and the purification effect is improved; meanwhile, the gas can enter the storage tank body to be uniformly distributed by utilizing the rotating shell with the semicircular gas outlet end and the angle of the gas outlet hole gradually increased from inside to outside, so that the contact effect of the gas and the filler is improved; by arranging the outer cover and the rotating shell and cooperating with the motor, the rotating shell can rotate and distribute the gas downwards, the diffusion range of the gas can be enlarged, the contact effect of the gas and the filler is improved, and meanwhile the purification quality of the gas can be improved.

The application discloses a tetrachloroethylene harmless tail gas treatment equipment and relates to the technical field of tail gas treatment. The tetrachloroethylene harmless tail gas treatment equipment comprises a casing, an air inlet channel, a pre-filter layer, a discharge port, an exhaust fan, a support frame, a zeolite runner, an adsorption area, a driving motor, an incinerator, a fixed ring tube, a desorption assembly, a regulation assembly and a cooling assembly. In the purification process, the desorption assembly makes the harmful substances flow along the airflow and finally be discharged into the incinerator, and the cooling assembly restores the zeolite runner, which is heated by the desorption assembly, to a suitable working temperature for adsorption. When purifying the tetrachloroethylene tail gas with a larger air volume, the regulation assembly will be automatically adjusted by the air speed to make the area of the desorption assembly larger, increase the desorption time of the zeolite runner through the desorption assembly, and meanwhile, the regulation assembly can also mix and stir the gas before entering the zeolite runner for purification, thereby improving the mixing uniformity of the harmful substances in the gas.

The utility model discloses a vertical multi-chamber purification tank and belongs to the technical field of sewage treatment equipment. The device comprises a shell, at least two relatively independent cavities are formed in the shell, and any one or more cavities can be freely and detachably installed in the shell. According to the structural design of the purification tank, the stress structure of the cavities is optimized, the bearing capacity is greatly improved, each cavity is independently closed, it is guaranteed that each cavity operates normally, sewage cannot be mixed into the cavities, and the phenomenon that the sewage flows into the cavities and is ineffective in treatment is avoided; the pressure from the side wall is powerfully supported by utilizing the mechanics principle, the dual pressure of the soil on the top and the side surface after deep burying can be resisted, and the device is suitable for deep burying in alpine regions.

The invention discloses an online purification method for high-performance aluminum alloy production, and relates to the technical field of aluminum alloy purification. By collecting and analyzing the types of impurities of the waste aluminum and the information such as the corresponding content, granularity and density, the characteristics of the waste aluminum at each detection point can be accurately known, and the melting point promotion value and the bubble promotion value of each detection point are obtained according to the characteristics; detailed characteristic parameters of the waste aluminum can be obtained before smelting; the smelting temperature is regulated and controlled according to the melting point characteristic value, it is ensured that waste aluminum is melted at the proper temperature, then the melting state is analyzed in real time according to a melting picture, whether smelting is completed or not is judged according to the melting state, and automatic smelting process control is achieved; the flow of inert gas is regulated and controlled through bubble characteristic values, the atmosphere in the smelting furnace is effectively controlled, and the waste aluminum purification effect and the product quality are guaranteed; and the gas purification condition is monitored according to the outlet concentration of the gas outlet monitored in real time, so that whether purification is completed or not is judged, and the efficiency and thoroughness of waste aluminum gas purification are improved.

This utility model proposes a building exhaust gas heat energy recovery device with purification function, comprising: an exhaust gas heat energy recovery device and a purification mechanism. The purification mechanism is disposed inside the exhaust gas heat energy recovery device and includes a limiting frame, a mounting frame, a filter screen, electrodes, copper wires, a busbar, and mounting components. The limiting frame is disposed on the inner wall of the exhaust gas heat energy recovery device, the mounting frame is disposed inside the exhaust gas heat energy recovery device, the filter screen is disposed on the inner wall of the mounting frame, and the electrodes are disposed inside the exhaust gas heat energy recovery device. This utility model's building exhaust gas heat energy recovery device with purification function achieves dual purification treatment of building exhaust gas through the setting of the purification mechanism. Firstly, it uses an electric field region to cause ionization, adsorption, or condensation of particulate matter and harmful gas molecules in the exhaust gas for preliminary purification. Secondly, it utilizes a corrugated filter screen to effectively intercept smaller particulate matter in the exhaust gas, further ensuring the purification effect and significantly improving the quality of exhaust gas purification.

The utility model relates to the technical field of carbon dioxide purification, and discloses carbon dioxide purification equipment which comprises a reaction tank and a sealing cover, the upper surface of the sealing cover is fixedly connected with a rotating motor, and the upper surface of the sealing cover is provided with a feed port which is the same as the interior of the reaction tank. According to the carbon dioxide purification equipment, when the rotating motor is started, not only can the mixing rod and the stirring plate be driven to rotate, but also the mixing rod and the stirring plate can be synchronously driven to move up and down; further, the mixing effect of the mixing rod and the stirring plate on the reaction gas / liquid and the to-be-reacted liquid is enhanced, the mixing efficiency of the mixing rod and the stirring plate on the reaction of the reaction gas / liquid and the to-be-reacted liquid is improved, and the purification efficiency and quality of carbon dioxide are further improved.

The present invention proposes a waste gas treatment device in the production of waterproof membranes, comprising a spray tank, a waste gas inlet pipe, a spray assembly, a filler ball layer, a connecting pipe, a spray rack, a nozzle and a drain pipe; the present invention is provided with a filler ball layer, which can fully increase the contact area between the waste gas and the spray liquid while increasing the contact time between the waste gas and the spray liquid, thereby further improving the purification quality of the device for the waste gas; and improving the absorption quality of tar and particulate matter in the waste gas.

The invention discloses multi-stage separation and extraction equipment for illegal cooking oil and a use method thereof, and relates to the technical field of illegal cooking oil purification, the multi-stage separation and extraction equipment comprises a fixing frame mechanism, the fixing frame mechanism comprises a fixing frame, and a fixing plate is fixedly mounted in the fixing frame; the pretreatment mechanism comprises a filtering assembly, a self-cleaning assembly, a residue storage assembly and an extrusion assembly; particle residues in illegal cooking oil can be filtered and intercepted through the filtering assembly, the follow-up purification quality of the illegal cooking oil is improved, the filtering efficiency of the illegal cooking oil is improved through the extrusion assembly, the interior of the filtering assembly can be automatically cleaned through the self-cleaning assembly, and the particle residues in the illegal cooking oil are prevented from blocking the filtering assembly; shutdown for manual cleaning is not needed, and the purification efficiency is improved; a large number of microbubbles can be generated through the precipitation assembly and the air flotation assembly, and the microbubbles float upwards and are attached to oil drops to form a gas-oil complex and float upwards to the liquid level to form a floating oil layer, so that oil and water are rapidly separated.

The utility model relates to the technical field of flue gas purification equipment, in particular to flue gas purification equipment for waste incineration power generation, which comprises a water pipe and a casing component, a filter component is fixedly connected to the inner side of the casing component, a vibration generating component is mounted on the inner side of the filter component, and a water inlet pipeline and a water outlet pipeline are fixedly connected to the front end of the filter component. A spring plate, a metal partition plate, a metal pipe and an embedded pipe are fixedly connected to the inner side of the metal shell, the vibration generating assembly comprises a shaft column, the shaft column is rotationally connected to the inner side of the vertical plate, turbine blades are fixedly connected to the outer side of the shaft column, a sleeve is fixedly connected to the outer side of the shaft column, a spring is fixedly connected to the outer side of the sleeve, and a driving hammer is fixedly connected to the end, away from the sleeve, of the spring. According to the flue gas purification device, the problem that the purification quality is affected due to the fact that the hole diameter of the filter screen is increased due to high-temperature flue gas is solved, and the stability and the reliability of the flue gas purification effect are ensured.

This utility model relates to the field of yeast wastewater treatment technology, specifically an integrated yeast wastewater treatment machine based on the synergistic effect of ozone oxidation and fiber filtration. It includes a reaction vessel and a feed inlet at the top of the reaction vessel; a feed plate hinged to the feed inlet; multiple through holes at the bottom of the reaction vessel; a sealing ring fixedly installed inside the through holes; an aeration pipe movably disposed inside the sealing ring, its exterior tightly fitted to the inner wall of the sealing ring; multiple air holes on the upper surface of the aeration pipe; and a lifting assembly at the bottom of the reaction vessel, which drives the aeration pipe to move up and down reciprocally. The integrated yeast wastewater treatment machine based on the synergistic effect of ozone oxidation and fiber filtration provided by this utility model allows for changes in the height of the aeration pipe and air holes in the reaction vessel via the lifting assembly, enabling ozone to mix with wastewater at different depths and improving wastewater purification quality.

The utility model discloses a purification device of multi-walled carbon nanotubes, which comprises a driving device and a purification box, the driving device is connected to the rear end of the purification box, in the utility model, a plurality of multi-walled carbon nanotubes can be placed when the purification device is used through the structure of an object placing component, the working efficiency is greatly improved, and the purification device is convenient to use when the purification device is used. A large number of multi-walled carbon nanotubes can be placed through the multiple evenly-distributed storage plates on the inner side of the fixed frame, and each storage plate is provided with evenly-distributed U-shaped grooves, so that the multi-walled carbon nanotubes can be limited in the lifting process, the multi-walled carbon nanotubes are prevented from sliding off, and the service life of the multi-walled carbon nanotubes is prolonged. According to the multi-walled carbon nanotube purification device, the fixed frame is arranged in the purification box, the fixed frame can be conveniently inserted into the corresponding slots of the purification box through the connecting bumps on the two sides of the fixed frame, so that the fixed frame cannot shake and shift in the purification process, and can be uniformly soaked in the purification liquid during purification, the purification quality is improved, a plurality of multi-walled carbon nanotubes can be placed in one-time purification, and the working efficiency is greatly improved.

The utility model discloses a humidification anion air purification device which comprises an upper shell, purified water is injected into a water tank, after a flying wing main rod is unfolded outwards to be horizontal, an anti-skid poking piece is poked to drive a rotating ring to move, a clamping piece on the rotating ring is connected with a clamping hole in the flying wing main rod in a clamped mode, and flying wings are controlled to rotate through a remote controller. The device can freely move in a large space, the humidifying and purifying effect can be improved, the device can be used as a toy for entertainment, a knob switch is rotated and pressed to adjust the work of an electric device, an ozone negative ion generator, a micro water pump and an atomizing spray head can be turned on, and therefore purified water is atomized and sprayed out and finally discharged from a rotary air outlet piece. The rotating shell and the rotating air outlet piece can be rotated to freely adjust the exhaust direction of the humidifying mist, and the device is compact in structure, small in size and capable of being freely transferred in the air to change the humidifying and negative ion output positions, so that better indoor air purification quality is provided, and use is more convenient.

This utility model relates to the field of waste gas recovery technology and discloses an integrated waste gas recovery and purification device, including a storage tank. Connecting pipes are fixedly connected to both sides of the outer wall of the storage tank. A diversion box is fixedly connected to one end of the left connecting pipe, and an inlet pipe is fixedly connected to one side wall of the diversion box. A purification box is fixedly connected to one end of the right connecting pipe. A return assembly is provided on the side wall of the purification box, and the return assembly includes a diversion box two, with a return pipe fixedly connected to the top of the diversion box two. In this utility model, waste gas is first purified for particulate matter in the storage tank, then enters the purification box for further purification, and finally enters the diversion box two. After being detected by a sensor, if the gas passes the test, it is discharged; otherwise, it returns to the diversion box one through the return pipe for further purification. This achieves highly efficient filtration of waste gas, solving the problem of clogging caused by direct filtration of waste gas in traditional devices and improving waste gas purification efficiency.

The utility model discloses a biological aerobic aeration reactor. The reactor comprises a shell II, a shell I, a shell III, a quartz sand filter layer, a water inlet pipe, an air inlet pipe and a heating structure, wherein the shell I is arranged at the top of the shell II in a threaded sleeving manner; the shell III is arranged at the bottom of the shell II in a threaded sleeving manner; the quartz sand filter layer is arranged in the shell I; and the quartz sand filter layer comprises two meshes and quartz sand filled between the two meshes. The heating structure comprises a heat preservation interlayer fixedly arranged outside the shell II in a sleeving mode, a hot water inlet and a hot water outlet, wherein the hot water inlet and the hot water outlet are formed in the heat preservation interlayer. The device is of a combined structure and can be flexibly disassembled to facilitate discharge of sludge, sewage and aerobic bacteria are fully and uniformly mixed by utilizing gas-water mixing to improve the biochemical reaction efficiency, and gas-water mixed flow also plays a role in flushing the quartz sand filter layer, so that deposition on the surface of the quartz sand filter layer can be cleaned in time, and the filtering effect is ensured.