34results about How to "Keep Your Breathing Healthy" patented technology

The invention discloses a head-mounted outdoor portable air purifier which comprises a mouth mask and a purifier body. The purifier body comprises a left end purifier, a right end purifier and a middle connection belt. The left end purifier and the right end purifier are both internally provided with an oxygen-enrichment membrane, an HAF efficient electrostatic filtering layer, an HEPA filtering layer, an organic selenium non-woven cloth layer, a silent fan and a PCB control circuit board. The right end purifier is further internally provided with an anion generator. Each organic selenium non-woven cloth layer comprises a non-woven cloth base material and an active organic selenium coating, wherein the surface of the non-woven cloth base material is coated by the active organic selenium coating. A flexible battery and a middle air pipe are embedded in a containing cavity in the middle connection belt. The mouth mask comprises a mouth mask shell, a breathing cavity is formed in the inner surface of the mouth mask shell, and a front end air pipe is connected between the mouth mask shell and the right end purifier. By means of the structural design, the head-mounted outdoor portable air purifier has the advantages of being novel in structural design, convenient to use and multifunctional and can provide clean air for users to guarantee breathing health of the users.

The invention discloses an intelligent nasal cavity respirator. The intelligent nasal cavity respirator comprises an elastic body and purification rhinobyons arranged at the two ends of the elastic body, wherein each purification rhinobyon comprises a first filtering layer, a second filtering layer and a degerming layer. The inside of each second filtering layer is divided into a plurality of filtering cavities which can be opened and closed independently and are controlled by an intelligent management system . The intelligent management system comprises a built-in detection module, a mobile phone detection module, a datum reading module connected with an environment monitoring station, a community detection module and an intelligent city module. According to the intelligent nasal cavity respirator, the air quality is detected comprehensively through the built-in detection module, the mobile phone detection module and the datum reading module connected with the environment monitoring station; air is purified through an air purification unit; an air quality report is received through a mobile phone client terminal. The intelligent nasal cavity respirator can remind people doing outdoor activities of paying attention to personal health protection, and the respiratory health of people is ensured. The intelligent nasal cavity respirator is attractive in appearance, and talking and communication between people are not influenced when the intelligent nasal cavity respirator is worn.

The invention discloses an agricultural seeding machine. The agricultural seeding machine comprises a bottom plate, wherein a driven wheel is arranged at the right end of the bottom plate; a furrowing wheel is arranged at the left end of the bottom plate; a motor box is arranged at the back part of the upper side of the bottom plate; the furrowing wheel is connected with the output end of the motor box through a first rotary shaft; a seed box and a fertilizer box are further arranged at the upper side of the bottom plate; a box cover is arranged at the side surface of the seed box; a seed discharging pipe is arranged at the lower end of the seed box; a drum is arranged at the bottom end of the seed discharging pipe through a second rotary shaft; a plurality of grooves are formed in the drum; the upper end of the fertilizer box is provided with a fertilizer feeding port and a pesticide feeding port; a stirring motor is arranged in the middle part of the upper end of the fertilizer box; a stirring shaft is arranged at the output end of the stirring motor and extends into the fertilizer box; a plurality of stirring blades are arranged on the stirring shaft; a plurality of heating plates are embedded into the stirring blades; a fertilizer applying pipe is arranged at the lower end of the fertilizer box; a water pump is arranged at the lower end of the interior of the fertilizer box and is connected with the fertilizer applying pipe. The agricultural seeding machine has the advantages that the structure is simple, the convenience in use is realized, the seeding amount is accurate, a one-person operation function is realized, the comfortability in use is realized, and multiple functions are realized.

The invention discloses an intelligent wearable type air purifier. The intelligent wearable type air purifier comprises a purifier shell, a liquid crystal display panel, an air detector, an air inlet device, a sealing connecting piece, an air purification unit, an air outlet, a photocell, an intelligent management system and a mobile phone client terminal; the air detector comprises a built-in detecting module, a mobile phone detecting module and a date reading module connected with an environmental monitor station; the air purification unit comprises a filtering unit, an adsorption and desorption unit and a photocatalysis unit; and the intelligent management system is connected with the liquid crystal display panel, the air purifier, the air inlet device, the air purification unit, the photocell and a mobile phone terminal APP data receiving module. By means of the intelligent wearable type air purifier, the air quality can be comprehensively detected, air is purified through the air purification unit, an air quality report is received by binding Bluetooth with a mobile phone APP, the health of breathing of people is guaranteed, the model is attractive, and talk exchange between people is not influenced during wearing.

The invention relates to a safe and reliable trowelling machine, which comprises a handle, a processor, a dust collecting mechanism and a trowelling mechanism, wherein the trowelling mechanism comprises a support column, a trowelling assembly and four protective assemblies, wherein the trowelling assembly comprises a first motor, a top plate, a first driving shaft and a plurality of blades, the protective assembly comprises a protective frame, a support rod, a sliding plate and a lifting unit, wherein the dust collecting mechanism comprises a dust collecting component, a connecting pipe and aprocessing component, wherein the processing component comprises a water tank, a drainage pipe, a water injection pipe, an exhaust pipe, a water pump, a water pumping pipe, a water diversion pipe anda spray head, the safe and reliable trowelling machine absorbs the air around the blades through the dust collecting mechanism, so that the dust in the air is sucked into the water tank, and clean airis discharged, the breathing health of workers is ensured, the safe construction of workers is facilitated, the protective frame can rotate flexibly, so that the blades can conveniently act on the edge position of a step, so that the edge position is smoother, and the practicability of the device is improved.

A ventilation system for washroom, comprises a fan at the top of the washroom and a vent-pipe at the bottom of the washroom, characterized in that, the fan is an air suction fan for sucking fresh air outside, and the vent-pipe is the one for ventilating foul air inside and provided with an air ventilating fan therein, wherein the air ventilating fan is provided with a filter net at the front end thereof. The invention is provided with a vent-pipe based on the current ventilation systems for washroom to ventilate foul air inside from the bottom of the washroom, effectively avoid the dispersion of the foul air in the washroom, and guarantee the fresh air and breathing health of human.

The invention relates to a drawing device with air pollution preventing capacity and high aggregation power. The drawing device comprises a thread supply mechanism, a case, a base, a dust collection mechanism and a case door, wherein a handle, a plurality of keys and a plurality of indicator lamps are arranged on the case door; an aggregation mechanism comprises a rotating assembly, an aggregationpipe and a guiding wheel, fixing assemblies are arranged in the two ends of the aggregation pipe, each fixing assembly comprises two fixing units and two guiding rods, and each fixing unit comprisesa translation unit and a clamp plate; the dust collection mechanism comprises a dust collection box, a spraying assembly and a suction hood, and a first fan and a first filter screen are arranged in the dust collection box. According to the drawing device with air pollution preventing capacity and high aggregation power, multiple strands of cotton bundles are aggregated together by the aggregationmechanism and rotated so as to be wound together, aggregation force between the cotton bundles is guaranteed, cotton threads are prevented from being fluffy, besides, the dust collecting mechanism adsorbs cotton batting during drawing, air pollution is prevented, respiratory health of surrounding workers is guaranteed, and therefore, practicability of equipment is improved.

The invention relates to the field of casting, in particular to a sand mould casting process. The sand mould casting process comprises the following steps of 1, preparing a tidal sand mold, wherein prepared model sand is screened, and the screened model sand is put into a tidal mold sand box molding machine; 2, putting prepared raw materials into a furnace, wherein the melt liquid temperature is 1400-1600 DEG C, the melt time is 4-5 hours, and the stirring is carried out every 30 minutes; 3, preheating the tidal sand mold prepared in the step 1, wherein the preheating temperature is 400-600 DEG C, the preheating time is 5-10 minutes, after preheating is finished, the molten liquid of the raw materials is injected into the tidal sand mold, then the tidal sand mold is placed in a constant temperature furnace, the tidal sand mold is slightly vibrated, the constant temperature time is 30-60 minutes, and the raw materials are kept in a molten state during constant temperature; and 4, takingout the tidal sand mould subjected to constant temperature treatment in the step 3, and cooling the tidal sand mould by using water cooling and air cooling. The tidal mold sand box molding machine can rapidly finish multiple collision molding, so that rapid compaction molding is achieved, and molding efficiency is guaranteed.

The invention discloses a high-efficiency intelligent dehumidifier, which comprises a body, an air inlet, and an air outlet. An air inlet is arranged on one side of the body, a fan is arranged inside the air inlet, and a first filter is movable inside the air inlet. One side of the fan is fixed with a vertical windshield, the outer wall of the body is fixed with a humidity sensor, the body is equipped with a heat exchanger, and the bottom of the heat exchanger is fixedly connected with a horizontal There is a separator, one side of the separator is provided with a water collection tank, one side of the heat exchanger is provided with an evaporator, one side of the evaporator is provided with a condenser, the bottom of the body is fixedly connected with an electric push rod, and the body is far away from the air inlet. There is an air outlet on one side, a second filter layer is installed at the opening of the air outlet, and a circular platform-shaped drainage tube is installed at the bottom of the evaporator, and the damp air is guided to flow to the heat exchanger, evaporator and condenser through the set windshield. Dehumidify the humid air, improve the efficiency of the dehumidifier, and ensure thorough dehumidification.

The invention provides a plate splicing automatic production line. The plate splicing automatic production line comprises a long-strip box, a pressing fixing structure, a scrap cleaning and collectingstructure, a spraying structure, a peculiar smell treatment structure, a stirring structure, a cutting structure and a conveying structure; the spraying structure comprises a liquid outlet vertical pipe, a coiled pipe, a liquid suction pump, a liquid storage tank, a communicating pipe, a first rectangular cover, a liquid inlet pipe and a spray head; the top and the bottom of one side wall of thelong-strip box communicate with first rectangular covers correspondingly; the outer side faces of the first rectangular covers are fixedly connected with liquid storage tanks; and the inner embedded faces of the first rectangular covers are fixedly connected with snake-shaped communicating pipes. The plate splicing automatic production line provided by the invention has the advantages that the pressing fixing structure is opened; the raw material plate is lifted to a certain height; then the bottom liquid suction pump is started, so that the bottom coating spraying process is completed; doublesurfaces can be sprayed; horizontal movement is realized; external force is not needed for overturning; and the working efficiency is improved.

The invention discloses a bicycle with an air purification and filtering function. A lithium battery is installed below a cushion of a bicycle body. A controller is arranged on a bicycle head of the bicycle body. A microprocessor controller is arranged inside a shell of the controller. An LED screen, a temperature sensor and a humidity sensor are arranged on the outer surface of the shell of the controller. The bicycle with the air purification and filtering function is provided with a purifier body and a mask. The purifier body comprises a left end purifier, a right end purifier and a middle connecting belt. The left end purifier and the right end purifier are each internally provided with a coarse filter layer, an efficient filter layer and a silent fan. A middle air pipe is embedded into a connecting belt containing cavity inside the middle connecting belt. A shell of the mask is provided with a breathing cavity. The breathing cavity is communicated with a right end air outlet hole through a front end air pipe. The microprocessor controller is electrically connected with the left end silent fan and the right end silent fan through power lines respectively. By means of the structural design, the bicycle has the advantages of being novel in design, multifunctional and convenient to use.

The invention discloses a nanometer silver-loaded titanium dioxide mask. The nanometer silver-loaded titanium dioxide mask comprises a supporting frame; a flexible glue sealing cover is arranged outside the supporting frame; an outer cover is arranged outside the flexible glue sealing cover; a first air-permeable port is formed in the supporting frame; a second air-permeable port corresponding tothe first air-permeable port is formed in the flexible glue sealing cover; a sterilizing and disinfecting net is arranged at the position of the first air-permeable port; and the sterilizing and disinfecting net is coated with nanometer silver-loaded titanium dioxide. The nanometer silver-loaded titanium dioxide mask adopts the sterilizing and disinfecting net coated with the nanometer silver-loaded titanium dioxide, and the nanometer silver-loaded titanium dioxide sterilizing and disinfecting net can effectively filter out bacteria, viruses and acarid in the air; furthermore, the nanometer silver-loaded titanium dioxide mask has long service cycle and is convenient to use; and the supporting frame and the disinfecting net fixing bracke of the mask are fixed by an easy-to-disassemble mode,and the sterilizing and disinfecting net can be changed and adjusted conveniently at any time.

The invention relates to an efficient dust collection workshop which is mainly composed of a workshop room and a dust collection system, wherein the workshop room is provided with an air hole floor, a glass window, a vent skylight and an automatic closing door, the dust collection system mainly comprises a vent channel arranged at the bottom of the workshop,as well asa multi-layered filter screen, an atomizing system and a fan arranged outside the workshop; a settling pool composed of oblique bottom plates is arranged at the bottom of the vent channel at the bottom of the workshop; the settling pool is provided with a drainage pipe for draining water to the outside. According to the efficient dust collection workshop, the vent channel and the air hole floor arearranged at the bottom of the workshop room, the vent skylight is formed atthe upper part of the workshop room and the vent channel goesoutwards in a curved way and is connected with a water mist and dust collection device, so that the dust generated in the workshop room can only settle downwards and is sucked to go through the multi-layered filter screen, then the dust is sprayed and cleaned with the water mist on the multi-layered filter screen and flows away downwards; no dust exists in the upper layer space of the workshop room and the breathing health of a worker is guaranteed.

The invention discloses a multifunctional bicycle which comprises a frame. A front support and a rear support are arranged at the front end and the rear end of the frame respectively, a front wheel and a rear wheel are arranged on the front support and the rear support respectively, damping discs are arranged at the middle portions of the front wheel and the rear wheel, support frames are arrangedon the front support and the rear support through rotating shafts, the front support and the rear support are each provided with two fixing holes, round holes matched with the fixing holes are formedin the support frames, electric telescopic rods are symmetrically arranged in the middle of the inner side of each support frame, a pressing plate is arranged on each electric telescopic rod, a damping plate is arranged on the outer side of each pressing plate, a driving gear driving the rear wheel is arranged in the middle of the frame, a driving rod is arranged on the driving gear, pedals are arranged on the driving rod, a handlebar is arranged at the upper end of the front support, a purification box is arranged on the handlebar and connected with the handle through a fixing ring, and a fixing screw is arranged on the fixing ring. The multifunctional bicycle is simple in structure, convenient to use, high in comfort, capable of being used indoors and outdoors and diverse in function.

The invention discloses stainless steel composite plate roll blank welding equipment with a welding tracking. The stainless steel composite plate roll blank welding equipment comprises a workbench, wherein support frames are fixedly connected to the front surface and the back surface of the top of the workbench, and the tops of the support frames are in threaded connection with first threaded rods. Through cooperative use of the support frames, the first threaded rods, a pressing plate, a hydraulic telescopic rod and a push plate, to-be-welded stainless steel composite plate roll blanks at the front end and the rear end of the top of the workbench can be subjected to joint alignment and then fixed, so that the welding stability is guaranteed; and through cooperative use of a connecting block, a second threaded rod, a fixing plate, a driven belt pulley, a servo motor, a driving belt pulley, a welding gun, a wire feeding mechanism, a working plate, a CCD camera, a welding machine, a support plate, a rotating shaft, a wire reel, a controller, a smoke filter, a hose and a dust hood, welding can be carried out along a butt joint while the welding joint is tracked, so that the size of the welding joint can be always ensured to meet the specification.

The invention discloses a dustproof face-care silicone mask, comprising a shell. Each side of the shell is fixedly provided with an elastic belt; a bearing block is fixed to one side of one elastic belt; a bearing cavity is arranged in the bearing block; a sleeve is fixed at the inner bottom of the bearing cavity; a vertical rod is passed through the sleeve; the lower end of the vertical rod is provided with a channel; the upper end of the sleeve is passed through the channel and extended into the same. The dustproof face-care silicone mask is convenient to connect and mount; the connecting and demounting structure is simple; operations are convenient, and time is saved; it is convenient for a user to quickly put on and take off the mask, service efficiency is improved, and comfort is improved; the mask better fits the head girth of the user, can provide better protection, can ensure breathing health of the user, can fit the face of the user, has better comfort of use, gains better word of mouth, has improved competitiveness, is simple in structure, is convenient to operate and is suitable for popularization.

The invention discloses a plate rust removal device. The device comprises wheels, a bottom frame and a motor, wherein a protective cover is arranged at the other side of the motor, a rust removal wheel is arranged in the protective cover, a liquid storage barrel is arranged at the upper side of the protective cover, a micro pump is arranged at the outer side of the liquid storage barrel, a spray pipe is arranged at one side of the micro pump, a nozzle is arranged at one end of the spray pipe, a dust accumulation drawer is arranged at one side of the rust removal wheel, wind plates are arrangedin the dust accumulation drawer, a rotating shaft is welded to the wind plates, sweeping brushes are arranged at the ends, away from the rotating shaft, of the wind plates, the wind plates are connected with the sweeping brushes through bolts, a dust accumulation hopper is arranged at the side, away from the rust removal wheel, of the dust accumulation drawer, a plastic partition plate is arranged in the dust accumulation hopper, a magnet is arranged at the upper side of the plastic partition plate, and a hopper cover is arranged at the upper side of the magnet. According to the device, ironrust ground by the device can be collected in time, the iron rust is prevented from being blown away by wind, the breathing health of operators is guaranteed, and a rust remover can be sprayed to improve the rust removal efficiency of the device.

The invention provides a stone cutting device for constructional engineering. The stone cutting device for constructional engineering comprises a machining box, a lifting structure, a dust blocking structure, a supporting and moving structure, a clamping structure and a cutting structure, wherein the lifting structure comprises a horizontal box, conveying rollers, first rotating shafts, inclined boxes, second rotating shafts, belts, first gears, spindles, driving wheels, steel wire ropes, a clamping plate, winding rollers and a lifting motor; the two side faces of the machining box are open; the horizontal box is arranged at the bottom of the machining box; the two side walls of the horizontal box are fixedly connected to the inclined boxes respectively; and the tops of the horizontal box and the inclined boxes are open respectively. The stone cutting device for constructional engineering has the advantages that stone can be quickly pushed to a proper area to be cut, manual carrying and screwing are not needed, the operation process is relatively time-saving and labor-saving, the stone is carried at a low position, the height of the stone is still low even if the stone falls, the safety is high, and the possibility of strain of the waist area of a carrying worker is reduced.

The invention provides an intelligent monitoring device and system, and an intelligent baby carriage. The intelligent monitoring device is arranged on the intelligent baby carriage including an accommodation space for holding a baby; the accommodation space has an opening; and a first sunshade and a second sunshade movably connected to the first sunshade are arranged above the opening. The intelligent monitoring device includes a processor, a human body sensor, and an air cleaning assembly, wherein the human body sensor and the air cleaning assembly are electrically connected to the processor; the human body sensor includes a processing chip and a capacitance board arranged in an interlayer of the bottom of the accommodation space; the processing chip is electrically connected to the processor; the capacitance board is used for detecting the capacitance of a baby in the accommodation space, and sending the capacitance to the processing chip to be processed; the processing chip is used for determining if the baby is in the accommodation space or not according to the capacitance, and sending the determination result tot the processor; and the air cleaning assembly is arranged on the bottom or a side surface of the accommodation space, and is used for cleaning air in the accommodation space.

The invention discloses a grinding machine for metal parts. The grinding machine for the metal parts comprises a workbench and a dust collection module. A bracket is fixedly installed at the four corners of the bottom of the workbench, gaskets are fixedly welded to the bottom of the bracket, a connecting frame is fixedly installed at the middle part of the bracket, a control module is arranged onone side of the workbench, moving bracket switches are arranged on one side of the control module, a moving bracket groove and a telescopic fixed frame groove are formed in the workbench, a cross beamis fixedly welded to the top of the moving bracket, a hydraulic machine is fixedly installed at the middle part of the cross beam, a hydraulic telescopic rod is fixedly installed at the bottom of thehydraulic machine, and a grinding motor is fixedly placed at the bottom of the hydraulic telescopic rod. For the grinding machine for the metal parts, through an arranged telescopic fixed plate, metal parts of different sizes can be fixed, and the grinding requirements of the metal parts of different types can be met; and the hydraulic machine stretches out and draws back to drive the grinding motor to move up and down, the moving bracket drives the grinding motor to move front and back, and the metal parts can be ground in all directions.

The invention relates to an efficient wind generating set capable of occupying a small area and saving the cost. The wind generating set comprises a top plate, a yaw box, a plurality of power generating units, two bases and two tower frames, the yaw box is internally provided with a yaw mechanism, and the yaw mechanism comprises a driving unit and a plurality of connecting units. The outer sides of the tower frames are provided with antitheft doors and a plurality of openings, and a plurality of climbing units are arranged in the tower frames and comprise pedals, first sleeve rings, second sleeve rings, inserting rods, limiting blocks, two rotating units and a plurality of oblique rods. According to the efficient wind generating set capable of occupying the small area and saving the cost, the multiple power generating units are supported through the two tower frames, and the yaw mechanism drives generator rooms to rotate while the occupied area is reduced; the positions of blades are adjusted, the power generating efficiency is improved, and not only that, the interiors of the tower frames communicate with the exteriors of the tower frames while climbing of workers is facilitated through the climbing units; and breathing health of the workers is ensured, the climbing units adopt materials on the tower frames, and thus the cost of the generating set is effectively reduced.

The invention discloses a dynamic balance automatic servo tensioner, and relates to the technical field of textile machinery, the dynamic balance automatic servo tensioner comprises a dynamic balance tensioner body, the front surface of the dynamic balance tensioner body is provided with a driving wheel, and the top of the dynamic balance tensioner body is fixedly welded with a mounting plate; a silk thread impurity removing mechanism is arranged on the right side of the dynamic balance tensioner body. Through the design of a guide wheel, a silk thread can penetrate through an inner cavity of a vertical cylinder in advance, a suction fan is controlled to work, air is absorbed from the inner cavity of the vertical cylinder, air flowing force in the inner cavity of the vertical cylinder can be captured through a wind power capturing cover, then a rotating rod is driven to rotate, the outer wall of the silk thread is knocked through a rubber swing strip, and the silk thread is knocked. According to the dynamic balance tensioner, filiform chippings attached to the outer walls of the silk threads are promoted to be separated out and then absorbed and removed by the suction fan, the function of cleaning the silk threads is completed, and the problem that the filiform chippings are extremely prone to being wound on all wheel bodies of the dynamic balance tensioner body is solved.

The invention relates to an intelligent air purifier. The purifier comprises a purifier shell, an air inlet and electrostatic generator, a first-level electrostatic field, a first-level dust collection plate, a second-level electrostatic field, a second-level dust collection plate, an ultraviolet fluorescent lamp, a photocatalyst plate, an efficient filter screen, a silent suction fan and an air outlet. The air inlet and electrostatic generator, the first-level electrostatic field, the first-level dust collection plate, the second-level electrostatic field, the second-level dust collection plate, the ultraviolet fluorescent lamp, the photocatalyst plate, the efficient filter screen, the silent suction fan and the air outlet are all arranged on the purifier shell. The purifier is simple instructure, light, easy to carry and small in wind resistance; hazardous substances such as PM2.5, dust, pollen, formaldehyde, bacteria and viruses can be removed, the removal rate can reach up to 99%,respiratory health of people is ensured, a filter element does not need to be replaced, secondary consumption is reduced, energy conservation and environment protection are achieved, and the problemsthat an existing purifier causes secondary pollution and secondary consumption and is not silent are well solved.

The invention relates to a safe and reliable emergency rescue device, including a mixing cavity, a mixing tube, an air pipe, a connecting tube, a humidifying cavity, an exhalation tube, an inhalationtube, a breathing mask and a manipulator, wherein the mixing cavity is provided with a mixing mechanism; the mixing mechanism includes a translation assembly, a first motor, drive wheels and two air guide assemblies, the air guide assembly include a rotating shaft, Drive block, two blades and two bearings; the purification room is provided with a purification mechanism; the purification mechanismcomprises a filter screen, reciprocating assembly, a reciprocating plate and a plurality of vibration components; the vibration assembly includes a spring, diaphragm and two limit units. The safe andreliable emergency device regulates the oxygen concentration in the mixed gas through a mixing mechanism, Moreover, the total amount of the mixed gas is maintained in a stable range, which is conducive to the respiration of the patient, and the mixed gas is purified while the filter screen is dredged by the purification mechanism, so that harmful impurities are prevented from entering the body ofthe patient, thereby ensuring the respiration health of the patient.

The invention relates to a combined purification system with a function of removing haze. The system comprises an air inlet unit used for sucking the haze into the air inlet unit, a filtering unit used for carrying out preliminary coarse filtration and removal on large particles in the haze, an electrostatic adsorption unit used for adsorbing and removing tiny particles in the haze, a desulphurization and denitrification unit used for removing sulfur and nitrogen in the haze, an air outlet unit used for detecting indexes of purified air and discharging the purified air, and an air monitoring station used for detecting and monitoring the purified air discharged by the air outlet unit and analyzing same. The combined purification system can be used for removing the haze and purifying the air by means of twice classifying filtration and desulfurization for the haze; the combined purification system is simple in structure, convenient to operate and high in degree of automation, and improves the quality of atmospheric air; an air inlet module is an only channel through which the haze can enter a haze removal device.

The invention discloses a winding structure for a grey cloth cleaning device, and belongs to the field of cloth cleaning and winding, the winding structure comprises a base, rotating seats are fixedly connected to two sides of the upper surface of the base, winding rollers are rotatably connected to the two rotating seats, and two frame plates are fixedly connected to the upper surface of the base and located between the two rotating seats. Circular through grooves are formed in one sides of the two frame plates, rotating rollers are rotationally connected into the two circular through grooves, one ends of the rotating rollers penetrate through the circular through grooves, and scraping plates are arranged on the outer circles of the rotating rollers. Cotton fibers adhered to one side of a gray fabric are scraped off through the scraping plate, after the gray fabric slides over the scraping plate, the gray fabric is turned over to slide over the scraping plate again, the cotton fibers adhered to the other side of the gray fabric are scraped off, the cotton fibers on the two sides of the gray fabric are rapidly scraped off, the surface of the gray fabric is kept clean and tidy, and subsequent treatment and processing are facilitated.

The invention discloses a central air conditioner fan coil pipe air opening filtering device. The central air conditioner fan coil pipe air opening filtering device comprises an angle iron frame, a filter shell, a filter and a dismounting rod. The angle iron frame is fixed to a roof and located on the outer side of an air duct air outlet. The filter shell is connected with the angle iron frame in a clamped mode. The filter is arranged in the filter shell. The filter shell is provided with a ventilation cavity and two functional cavities. The top and bottom of the ventilation cavity are provided with an air inlet and an air outlet correspondingly. Air flow of the air duct air outlet enters the filter through the air inlet and is then discharged from the air outlet. A positioning block, a first spring, a hinging seat, a first pawl, an inner sleeve, a fixing seat, an unlocking block, a locking mechanism, an unlocking mechanism and an air bag lever mechanism are arranged in each functional cavity. The filtering device is additionally arranged at the air flue air outlet, so that air blown out of a fan coil pipe can be filtered; and when air is not circulated because an air duct is blocked, the pressure of the air duct is increased, the position of a baffle and the position of a sliding block are changed due to expansion of an air bag, whether the air duct is blocked or not can be judged by observing the position of the sliding block or baffle, and therefore the filter can be cleaned in time.