1416results about "Space heating and ventilation" patented technology

The invention relates to the technical field of grain surface air conditioners, and discloses a grain surface air conditioning system with an air-tight door, which comprises a case and two air ports in the front wall of the case, a shaft tube disc is rotatably connected in the front wall of the case, the left and right sides of the shaft tube disc are respectively provided with a through groove I butted with the air ports, and the upper and lower sides of the shaft tube disc are respectively provided with a through groove II; the front side and the rear side of the second through groove are slidably connected with abutting connection discs, and first sealing rings are arranged on the edges of the opposite sides of the abutting connection discs. The shaft pipe disc and the abutting disc are controlled to act step by step before and after granary fumigation, the first sealing ring is driven to vertically extrude and seal the air opening or vertically reset, the valve cover is matched to extrude the second sealing ring and contract into the two air pipes, and therefore the situation that a sealing piece is abraded and fails is avoided, and the double-air-tight-door function is provided; in addition, dust on the surface of the elastic filter disc can be fully cleaned and collected, the situation that the dust and hydrogen phosphide are combined to form viscous particles to block the elastic filter disc is avoided, and follow-up stable use of the elastic filter disc is guaranteed.

The invention discloses a vehicle-mounted oxygen generation method, a main controller, an intelligent seat and a vehicle. Non-sensing type physiological signal collection is achieved through the supporting air bag and the sensing assembly of the seat, the target object does not need to additionally wear a detection device in the daily riding process, and the biological signal of the target object can be automatically obtained; the main controller adjusts the oxygen supply frequency of the oxygen supply assembly according to the obtained biological signal, and pulse type oxygen supply matched with the user state is achieved, so that oxygen waste caused by traditional continuous oxygen supply is avoided, and the oxygen supply utilization rate is increased; meanwhile, the oxygen supply assembly is connected with a high-pressure air source in the vehicle through the oxygen generation assembly, and a compressor for oxygen generation does not need to be additionally arranged, so that extra noise is avoided in the oxygen generation process, and meanwhile the space occupancy rate of the whole vehicle is reduced; in addition, active participation of a user is not needed in the whole process, full-process non-perceptual adjustment from detection to oxygen supply can be achieved, and comfort and intelligent experience are both considered.

The utility model relates to the technical field of fresh air settling treatment, in particular to a fresh air settling chamber for a clean room, which comprises a settling chamber main body, a partition plate is arranged in the settling chamber main body, a collecting structure is arranged on one side of the partition plate, and side plates are mounted on two sides of the inner wall of the settling chamber main body; through the collecting structure, when air is treated, air in the clean room is introduced into the air inlet pipe, at the moment, after the air is pretreated through the air inlet structure, the air enters the space between the side plates on the two sides, large dust particles in the air fall down under the influence of the gravity of the dust particles and are stuck and fixed by the sticking belt below, and dust is prevented from being blown by wind to fly around; when the adhesive tape on one side is fully paved with dust particles, the output shaft of the adhesive tape can drive the rotating rod to rotate through driving of the servo motor, so that one side of the collecting roller is replaced, and when the adhesive tapes on the four sides are fully paved with dust, the cover plate is taken down, and the adhesive tapes are torn down one by one and replaced. Therefore, the purposes of collecting dust and preventing dust particles from returning to the air chamber are achieved.

The invention relates to the technical field of clean room air conditioners, and particularly discloses an air regulation and control structure for a clean room, the air regulation and control structure comprises a ventilation unit, a fresh air pipe, an air return pipe, a first air supply pipe, a collection device, a cleaning device and a regulation device, and the ventilation unit can transfer, update and circulate air in the clean room; the fresh air pipe is arranged at a fresh air port of the ventilator unit; the air return pipe is arranged at an air return port of the ventilator unit; the first air supply pipe is arranged at an air supply outlet of the ventilator unit; the collecting device is arranged at an output port of the first air supply pipe and can collect pollutants; the cleaning device is arranged in the center of the right side of the outer wall of the output port of the collecting device, and through collaborative design of the collecting device and the cleaning device, the mode that a traditional clean room filtering part depends on manual disassembly and assembly is changed; the cleaning device drives symmetrical filter screen cleaning brushes to comprehensively clean the filter screen in a reciprocating manner by means of a three-connecting-rod driving mechanism, so that no cleaning dead angles exist on the front and rear sides of the filter screen.

The utility model discloses a clean workshop air purification device which comprises a purifier body, a disinfection mechanism is arranged at the front end in the purifier body, the disinfection mechanism comprises a liquid storage tank fixedly connected to the front side of the lower end in the purifier body, and connecting pipes are connected to the two ends of the liquid storage tank in an inserted mode. A plurality of evenly-distributed atomizing nozzles are inserted into the sides, close to each other, of the connecting pipes, the upper ends and the lower ends of the connecting pipes are sleeved with buckles, the buckles are fixedly connected to the inner side wall of the purifier body, and the filtering mechanism is arranged in the middle of the interior of the purifier body. Compared with the prior art, the air purifier has the advantages that the quality of air blown out from the interior of the purifier body is higher, the elastic plates on the two sides are pressed towards the middle, the sliding frame is pulled out from the side face, operation of workers is facilitated, and the primary-efficiency filter screen, the medium-efficiency filter screen and the high-efficiency filter screen on the sliding frame can be replaced conveniently.

The utility model discloses a cylindrical air purifier which comprises a base with a side wall grid mesh structure, a shell is arranged on the base, a partition plate is arranged in the shell and divides the interior of the shell into an upper cavity and a lower cavity, and a grid mesh communicated with the upper cavity and the lower cavity is arranged in the middle of the partition plate. A purification assembly covering the grid mesh on the partition plate is arranged in the lower cavity. An air channel pipe covering the grid mesh on the partition plate is arranged in the upper cavity, a fan assembly is arranged in the air channel pipe, a motor base of the fan assembly is fixed to the air channel pipe, an air outlet assembly is arranged on the motor base and composed of an air outlet net and an air outlet frame, the air outlet net is arranged in the air outlet frame, the air outlet frame is fixed to the motor base, and a control assembly is arranged on the air outlet frame. A shell of the control assembly is suspended above the air outlet net, and the two ends of the shell are fixed to the air outlet frame to form a handle structure. The purifier can remove harmful substances and peculiar smell, the occupied space is reduced, and the purifier is light, convenient, safe and reliable.

The invention discloses an indoor intelligent formaldehyde detection and purification device and a use method thereof. The device comprises a movable shell, a self-adaptive intelligent control system, a pretreatment unit, an efficient adsorption unit and a core catalysis unit. The pre-treatment unit is used for filtering and dehumidifying, the efficient adsorption unit is used for adsorbing formaldehyde and desorbing to realize regeneration of a composite adsorbent layer, and the core catalysis unit is used for catalytically decomposing formaldehyde and desorbed formaldehyde; and the self-adaptive intelligent control system is used for acquiring outdoor air data, dynamically tracking formaldehyde pollution and regulating and controlling purification. Through three stages of units, in combination with a multi-stage cooperative processing and intelligent feedback control technology, formaldehyde is efficiently and directionally removed by virtue of a three-stage linkage mechanism of pre-adsorption enrichment, gradient desorption regeneration and catalytic deep decomposition, the selectivity is good, safety is realized, no extra volatile organic compound is released, and the catalytic efficiency is high; adsorbent regeneration improves stability and reduces cost.

To provide a gas processing device capable of performing proper purification according to the capacity of the space where the gas processing device is installed.SOLUTION: A gas processing device includes: an ozone generation part for generating ozone; a first detection part for detecting the ozone concentration of the atmosphere; and a controller for controlling the ozone generation part, and for changing the generation amount of the ozone. The controller controls the amount of the ozone to be generated based on data regarding the relation between the ozone concentration and lapsed time, the ozone concentration detected by the first detection part and the lapsed time, preset according to the capacity of the space where the gas processing device is provided.SELECTED DRAWING: Figure 5

The invention relates to the technical field of air purification equipment, in particular to an unpowered public place air directional flow purification structure. The problems that in the prior art, the natural ventilation principle and the multi-stage purification function cannot be fused on the structural design level, and consequently inherent defects exist in the aspects of energy consumption, noise, maintenance cost, airflow organization stability and the like are solved. The unpowered public place air directional flow purification structure is arranged on a wall unit and comprises a micropore physical pre-filtering structure, a multi-layer labyrinth type physical filtering structure and an adsorption / deposition structure which are integrally arranged in a closed mounting cavity in the wall unit. In the operation process of the structure, no fan or motor or external power supply is needed in the whole process, air circulation is driven by completely depending on the thermal characteristics of the wall and weak thermal buoyancy formed by an indoor environment heat source, no mechanical moving part exists in the operation process, the noise level is low, and the noiseless requirement of a hospital ward area at night is met.

This application relates to an air handling device and an air purification device. The air handling device includes a first rotating assembly for connecting to a pre-filter assembly, thereby driving the pre-filter assembly to rotate. A cleaning mechanism is located around the pre-filter assembly. When the pre-filter assembly rotates, the cleaning mechanism acts on the surface of the pre-filter assembly to remove contaminants from its surface. The cleaning mechanism includes a scraper and a roller brush assembly, which are arranged adjacent to each other. Contaminants on the surface of the pre-filter assembly are scraped off by the scraper and carried away by the roller brush assembly. This air handling device not only removes contaminants from the surface of the pre-filter assembly but also carries them away, greatly reducing the possibility of secondary pollution caused by contaminants scraped from the surface of the pre-filter assembly and further improving the purification effect.

The invention relates to the technical field of proportioning control, and discloses an intelligent proportioning control method for activated carbon and a deodorant in an air purification system, which comprises the following steps of: dividing the pore size distribution of the activated carbon into three types of micropores, mesopores and macropores, and obtaining pollutant response vectors of various typical pollutants and consumption weight vectors of the pollutants to the three types of pore sizes; constructing an agent mapping knowledge base; environmental pollutants are monitored in real time, a current pollutant response vector is obtained, and an activated carbon dynamic ability portrait is generated by matching a knowledge base; identifying a new pollutant event, acquiring a response vector and an aperture consumption weight of the new pollutant event, performing efficiency prediction calculation with the dynamic capability portrait, executing three-section decision logic according to a prediction result, and outputting dynamic ratio data of the activated carbon and the deodorant; accurate prediction of functional saturation of the activated carbon is realized through multi-dimensional capability characterization, purification efficiency reduction caused by'saturation illusion 'is effectively avoided, and the comprehensive purification efficiency of an air purification system is remarkably improved.

The embodiment of the invention provides a self-recovery method for the ion release capacity of a high-voltage electrostatic module, electronic equipment, a storage medium and a program product, and the method comprises the steps: outputting a self-recovery control signal corresponding to a target time threshold value under the condition that the cumulative operation time length of the high-voltage electrostatic module reaches the target time threshold value, the high-voltage electrostatic module is controlled to execute self-recovery operation; and when it is determined that the accumulated purification amount of the high-voltage electrostatic module reaches a target purification amount threshold value, outputting a self-recovery control signal corresponding to the target purification amount threshold value so as to control the high-voltage electrostatic module to execute the self-recovery operation. The embodiment of the invention provides a dual guarantee mechanism self-adaptive to different use scenes (light-load stable operation and heavy-load accelerated attenuation), establishes an active monitoring and recovery capability for performance attenuation of the high-voltage electrostatic module, and solves the problem that the purification efficiency is reduced due to the fact that the ion release capability is reduced after the module is used for a long time.

The utility model relates to a kind of aromatherapy machine, and the aromatherapy machine includes shell, atomization module and sound output module, shell has liquid storage cavity and mist outlet, liquid storage cavity is communicated with mist outlet, atomization module is set in shell and is used to atomize liquid in liquid storage cavity, sound output module is set in shell, and including sound output piece and white noise adjusting piece, white noise adjusting piece is slidably matched in shell and is used to adjust the volume of sound output piece.The above-mentioned aromatherapy machine can realize basic atomization function by atomization module, for improving indoor air quality, creating comfortable atmosphere, and the volume of white noise can be conveniently adjusted by the white noise adjusting piece of sound output module, to create comfortable environment for sleep and rest.

The present invention provides a decontamination solution capable of preventing charging of a mist for decontamination and preventing excessive wetting and liquid dripping on a wall surface inside a working chamber to be decontaminated when the inside of a working chamber such as an isolator is decontaminated using a mist for decontamination composed of hydrogen peroxide, and a device and a method for decontamination using the same. The decontamination solution is composed of a hydrogen peroxide solution where a substance increasing the electric conductivity of an aqueous solution is dissolved. The substance is preferably an electrolyte and more preferably an inorganic salt or an organic acid. The decontamination solution preferably has an electric conductivity of 14 µS / cm or more. The decontamination solution preferably has a residue on evaporation of 30 ppm or less. The device and the method for decontamination discharge the decontamination solution toward the inside of a room to be decontaminated as a mist for decontamination, thereby decontaminating the inside of the room to be decontaminated.

The utility model discloses a self-adaptive adjusting structure of an air conditioner panel, which comprises two mounting rack structures, a suspension structure arranged on the inner sides of the mounting rack structures, an air adjusting structure I arranged on the inner side of the front surface of the suspension structure, and an air adjusting structure II arranged on the back surface of the suspension structure, the suspension structure comprises two first truss rods and two first vertical frame rods, the two first truss rods and the two first vertical frame rods form a cuboid frame shape, vertical rods are perpendicularly connected to the front faces of the joints of the first truss rods and the first vertical frame rods, and second truss rods and second vertical frame rods are connected to the outer sides of the vertical rods. A plurality of clamping frame plates are arranged on the outer side of the second truss rod at equal intervals, a first air adjusting structure is arranged between every two adjacent clamping frame plates, each first air adjusting structure comprises an ingot, a first motor is arranged on the inner wall of each ingot, and the output end of each first motor is connected with an air guide plate. The air purification device can be conveniently installed on an exhaust panel of the air conditioner, the internal exhaust air volume is adjusted and purified, and the functionality is high.

The utility model provides an air purification device for a dust-free laboratory, and relates to the technical field of air purification of the dust-free laboratory, the air purification device comprises a filter box and a known fan arranged at an air outlet of the filter box, the inner wall of the filter box is provided with a plurality of notches along the air flowing direction, the notches are arranged in an arc shape, and the circle centers of the notches are positioned outside the filter box; a plurality of notches are formed in the filter box, a rotating shaft passing through the circle centers of the notches is rotationally connected to the outside of the filter box, the rotating shaft is arranged, a rotating plate is mounted on the rotating shaft, and two filter pieces are mounted on the rotating plate, so that air treatment can be realized only by transferring one filter piece on the rotating plate into the filter box in actual use; and when the filter part in the filter box needs to be cleaned, the other filter part enters the filter box through rotation of the rotating plate to continuously purify the air, and the filter part which is used for a period of time before is transferred out of the filter box, so that personnel can conveniently carry out cleaning, replacement and other operations.

The utility model discloses a novel air filter which comprises a filter body, an air outlet and an exhaust fan, the air outlet and the exhaust fan are respectively arranged on two sides of the filter body, the filter body comprises a filter cavity and a power cavity arranged on one side of the filter cavity, and a detachable cover plate is hermetically connected above the filter cavity; the power cavity and the filtering cavity are separated by a partition plate; a sliding plate is connected into the power cavity in a sliding mode, a plurality of air holes are evenly formed in the sliding plate, a protruding block is arranged in the middle of the sliding plate, a through hole is formed in the partition plate, and the through hole is matched with the protruding block; the sliding plate is connected with an electric telescopic rod on the other side of the protruding block, the other side of the electric telescopic rod is connected with the inner wall of the power cavity, and the electric telescopic rod drives the sliding plate to move in the power cavity. By adopting the structure, when the air filter is disassembled and assembled, the air filter is sealed, so that pollution is avoided, the efficiency of replacing the filter frame is improved, and pollution is avoided.

The utility model discloses an air purifier adopting a plasma sterilization mechanism, and relates to the technical field of air purifiers, the air purifier comprises a main machine body and a filtering assembly, the bottom of the main machine body is provided with supporting column feet, and the filtering assembly is arranged on the front side in the main machine body; the filter assembly comprises a mounting frame, bearing grooves, spring damping rods, limiting balls, a primary filter screen, limiting through grooves, an activated carbon filter screen and an HEPA filter screen, the bearing grooves are formed in the two sides of the interior of the mounting frame, the spring damping rods are mounted in the bearing grooves, the limiting balls are mounted at the front ends of the spring damping rods, the primary filter screen is connected into the mounting frame, and the activated carbon filter screen is connected with the limiting through grooves. Limiting through grooves are formed in the two sides of the interior of the primary filter screen, and an activated carbon filter screen is arranged at the rear end of the primary filter screen. According to the air purifier adopting the plasma sterilization mechanism, a filter screen arranged in the air purifier can be quickly disassembled and assembled, so that time and labor are saved during cleaning of the filter screen, and the overall practicability and the use efficiency of the air purifier are improved.

The utility model relates to the technical field of air purifiers, in particular to an air purifier control system which comprises a main control circuit, a power circuit, a warning circuit, a driving circuit and a wireless circuit. The power supply circuit, the warning circuit, the driving circuit and the wireless circuit are electrically connected with the main control circuit respectively; the power supply circuit comprises a first power supply input port, a second power supply input port, a PWM pulse width modulation module, a first power supply output module, a second power supply output module and a third power supply output module. By arranging the main control circuit, the power supply circuit, the warning circuit, the driving circuit and the wireless circuit, the air purification, wireless control and warning functions can be realized, and in addition, the first power supply output module, the second power supply output module and the third power supply output module are integrated together to supply power to each circuit respectively, so that the air purification, wireless control and warning functions are realized. A plurality of voltage conversion circuits and voltage conversion chips do not need to be arranged, so that the overall cost and the overall space are effectively saved.

The utility model discloses a perfuming machine convenient to disassemble and maintain, and relates to the technical field of perfuming machines, the perfuming machine comprises a perfuming box, a spraying assembly is arranged in the perfuming box, a perfuming machine panel is hinged to the surface of the perfuming box, and the top of the perfuming machine panel is connected with the perfuming box through a detachable structure; the detachable structure comprises a limiting groove formed in the outer wall of the fragrance box, one end of the fragrance machine panel is provided with a limiting column, the limiting column can rotatably enter the limiting groove, the top of the limiting column is provided with an embedding groove, the inner wall of the embedding groove is provided with a reset spring, the top of the reset spring is provided with a clamping block, and the clamping block is arranged in the limiting column. A clamping groove is formed in the inner wall of the top of the limiting groove, and the clamping block is matched with the clamping groove; a sliding hole is formed in the top of the fragrance box, and a push rod is slidably connected to the inner wall of the sliding hole. According to the utility model, the dismounting can be carried out without any tool, so that the operation convenience is improved.

The utility model discloses a water ionization structure capable of improving water detection sensitivity and a water negative oxygen ion generation device, the water ionization structure is a cover body with an opening at the lower end, the cover body is arranged at the lower part of an atomization cavity and covers an ultrasonic ceramic transduction sheet and a water level detection device, and the cover body is made of a plastic material mixed with a mixed rare earth ionization material; a first through hole corresponding to the ultrasonic ceramic transduction piece in position is formed in the top face of the cover body so that water mist can pass through the first through hole, an isolation cavity used for isolating the ultrasonic ceramic transduction piece from the water level detection device is formed in the cover body, and the top face of the isolation cavity is a closed face. According to the water ionization structure capable of improving the water detection sensitivity and the water negative oxygen ion generation device, the water detection sensitivity can be improved, the ionization and cracking effect of water molecules in the atomization cavity is enhanced, and early-stage preparation is made for the atomization fineness of the ultrasonic ceramic transduction piece.

The utility model discloses an air filter applied to a dust-free laboratory, relates to the technical field of air filtration of the dust-free laboratory, and aims to solve the problems that the conventional air filter has defects in dual gas filtration and purification and the overall filtration effect needs to be improved. A filter element is installed in the middle of the interior of the filter box, an adsorption box is fixedly connected to the side surface of the filter box, an exhaust pipe is fixedly connected to the side surface of the filter box, the air outlet end of the exhaust pipe communicates with the space of one end of the interior of the adsorption box, and a ceramic base is fixedly installed on the inner wall of the adsorption box; a discharge electrode and a dust collection electrode are fixedly installed on the symmetrical inner walls of the ceramic base correspondingly, and a plurality of through grooves corresponding in position are formed in the lower surface of the ceramic base and the lower surface of the adsorption box. The effects of double filtering operation and strong filtering effect are achieved.

The utility model relates to a new trend air exchange equipment technical field, specifically disclose a bacteriostatic type new trend air exchanger, include: main casing, it sets up rectangular structure, the main casing opening installs seal cover, and seal cover is driven by motor and is penetrated to drive motor and the impeller connection in main fan, the main casing and seal cover constitute the main casing structure of air exchanger, and main fan and drive motor constitute the air force air exchange drive in air exchanger. This bacteriostatic type new trend air exchanger, filter screen no.

This invention relates to the field of disinfection device technology, specifically to an air sterilizer that facilitates the addition of biological antibacterial agents. The device includes a base, a filter cartridge detachably mounted on the upper end of the base, a top cover plate detachably mounted on the upper end of the filter cartridge, an exhaust motor fixedly mounted on the inner end of the top cover plate, exhaust blades rotatably mounted on the inner end of the top cover plate, a support cylinder fixedly mounted on the inner end of the base, and multiple output cylinders fixedly mounted on the surface of the support cylinder. A suction device for extracting the biological antibacterial agent is provided between the support cylinder and the storage cylinder. This device uses the exhaust motor to drive the exhaust blades to form a stable airflow, and utilizes the linkage structure of the central tube, crown gear, and passive cylinder to actively bring the refined biological antibacterial agent into the air circulation channel. The biological antibacterial agent is forced to be transported into the filter cartridge under the action of the airflow and discharged with the airflow, thereby significantly improving the diffusion speed and coverage of the biological antibacterial agent in the air.

The utility model belongs to technical field, concretely relates to a visual monitoring device based on intelligent control, including a visual monitoring device based on intelligent control, including camera, the camera is fixedly installed through first support on first fixed frame, the support top is equipped with treater, the treater is fixedly connected with first fixed frame through second support, second support both sides are equipped with purification tank, first support one end is equipped with first motor, first support is equipped with first lead screw on the other side away from camera, first lead screw is connected with first motor, the utility model discloses through the perpendicular moving structure of each other, can drive camera to move flexibly in two directions, realizes the wide range coverage to the monitoring area such as computer lab. Treater can intelligently control the movement and steering of camera, and the degree of intelligent control is higher. Equipped with the purification tank with inductor, avoids the personnel in computer lab to be hurt by air.

The utility model relates to the technical field of household air purification, in particular to a household air purification device which comprises a purification device shell, and one side of the purification device shell is fixedly connected with a rotating assembly. The air purification device has the advantages that the rotating assembly is arranged, the air purification device can rotate to work through the rotating assembly when the air purification device is used, the problem that purified air can only be blown out in a single direction when the air purification device works is solved, and the working efficiency of the air purification device is improved; the air purification device is further provided with the aromatherapy assembly, when the air purification device works, indoor air can be fresh and pleasant through the aromatherapy assembly, meanwhile, children and pets can be prevented from eating aromatherapy by mistake, and the problems that the air purification device does not have measures for changing indoor smell, and meanwhile when the aromatherapy is used in cooperation, the aromatherapy is likely to be eaten by the children and the pets by mistake are solved. And the practical performance of the air purification device is improved.

The utility model discloses a multi-pipe cooperative injection type peculiar smell purifier, and belongs to the technical field of peculiar smell purification. Comprising a purification module and a conveying pipe, the conveying pipe is connected with the purification module, a plurality of output pipes are fixedly arranged on the conveying pipe in a communicating mode, nozzles are arranged at the ends, away from the conveying pipe, of the output pipes, sealing grooves are formed in the output pipes, and sealing plates are arranged in the sealing grooves; mounting plates aligned with the output pipes are fixedly arranged on the conveying pipe, and pushing assemblies used for pushing the sealing plates are arranged on the mounting plates. According to the utility model, by arranging the plurality of output pipes, the output pipes can be arranged at different positions to purify peculiar smell, the peculiar smell in an area can be quickly eliminated, and if one spray head is blocked, other spray heads can still keep the original spray coverage range, so that the whole purification process is prevented from being interrupted due to the fault of a single spray head; and the continuity of peculiar smell elimination work is ensured.

This utility model discloses a photocatalytic formaldehyde removal device, relating to the field of air purification equipment technology. It includes an outer casing, inside which is a photocatalytic formaldehyde removal system and a main controller. The front has a circular air outlet, and the back has a square air inlet. Below the air outlet is a touch panel. Outside the air outlet is a guide mechanism consisting of a guide rod and a collection box. Inside the outer casing is a slidably connected compartment. The guide rod is an inverted L-shaped plastic rod with an arc-shaped guide groove. The bottom of the collection box has a long-diameter square tube. The compartment has a ring handle and a sliding buckle. This formaldehyde removal device can efficiently collect water vapor and dirt generated by photocatalytic decomposition, facilitating cleaning, improving air intake and formaldehyde removal efficiency, and has a stable and reliable structure.

The utility model provides a cooling device for processing a transmission part of an electric vehicle, which comprises a cooling box, one side of the cooling box is fixedly connected with a purification box, the inner wall of the purification box is fixedly connected with a rough filtration chute block, the inner part of the rough filtration chute block is slidably connected with a rough effect non-woven fabric plate, and the rough effect non-woven fabric plate is fixedly connected with the purification box. The cooling device comprises a purification box, the inner wall of the purification box is fixedly connected with a medium filtering sliding groove block, the interior of the medium filtering sliding groove block is slidably connected with an activated carbon fiber board, and the inner wall of the purification box is fixedly connected with a fine filtering sliding groove block. A multi-stage air purification system is formed by the purification box connected with the purification box, the coarse filtration sliding groove block, the coarse-effect non-woven fabric plate, the medium filtration sliding groove block, the activated carbon fiber plate, the fine filtration sliding groove block and the efficient filter paper plate, and steam containing harmful substances and formed by evaporation of high-temperature cooling liquid generated in the machining process can be effectively filtered.

The invention relates to the technical field of steel structure bridge construction, in particular to steel box girder butt joint welding equipment for road construction, which comprises a welding seat and a purifying seat, the movable adsorption units are arranged on the two sides of the welding base and the purification base, are arranged in a central symmetry mode and are connected with the welding base and the purification base correspondingly; the overturning and laminating unit is arranged between the welding seat and the purifying seat; the welding unit is fixedly connected with the welding seat; the air purification unit is connected with the purification seat and is connected with the welding seat; wherein the overturning and attaching unit comprises a coordination control assembly and an overturning assembly, by arranging the overturning and attaching unit and cooperating with the movable adsorption unit, surrounding movement of equipment on the outer wall of the steel box girder can be achieved, and automatic welding of butt joints of the steel box girders on the two sides is completed by means of the welding unit arranged on the welding base; and the air purification unit arranged on the purification seat can absorb and purify flue gas generated in the welding process.