515 results about "Photocatalysis" patented technology

The utility model relates to the technical field of formaldehyde removal, and discloses a photocatalyst-based multi-stage formaldehyde removal device which comprises a treatment box, a filter window is arranged on one side of the treatment box, a filter screen is mounted in the treatment box, two sliding columns are fixedly connected to the upper portions of the two sides of the filter screen, springs are mounted on the outer walls of the sliding columns, and the outer walls of the sliding columns are fixedly connected with the filter screen. One ends of the springs are fixedly connected to the upper portions of the two sides of the filter screen, and mounting blocks are mounted on the upper portions of the two sides of the filter screen. According to the utility model, the pushing block is pushed to enable the mounting block to slide on the sliding column, the spring is compressed, and the two fixing blocks are driven to be close to each other, so that the fixing blocks can be separated from the first mounting groove, and the fixing blocks can be reset to enter the first mounting groove under the action of the spring when the pushing block is loosened; therefore, the filter screen can be quickly disassembled and assembled, the filter screen can be conveniently cleaned, and the working efficiency and the performance stability of device operation are effectively improved.

The invention provides an anti-fouling porcelain insulator and a preparation method thereof, the anti-fouling porcelain insulator comprises a porcelain insulator matrix and an anti-fouling glaze layer, and the anti-fouling glaze layer is composed of nano silicon dioxide, a modified nano titanium dioxide photocatalyst, a silane coupling agent, an antibacterial agent, a thickening agent, organic silicon resin and an organic solvent in specific parts by weight. Wherein the antibacterial agent is prepared by mixing nano-silver, alliin and cashew nut shell oil according to a specific proportion. The preparation method comprises the following steps: preparing the photocatalyst, preparing the nano antifouling paint, modifying the porcelain insulator matrix, coating and the like. The performance of the product is improved by applying pulsed magnetic field oscillation when the nano titanium dioxide is stirred, and performing surface cleaning, photoresist treatment, etching and other operations on the porcelain insulator substrate. The antifouling porcelain insulator has good antifouling performance, insulating performance and weather resistance, can be coated in a spraying, brush coating or dip coating mode and the like, and provides reliable guarantee for stable operation of an electric power system.

The invention discloses a system for removing ammonia gas and hydrogen sulfide in water-soaked manure sewage, and relates to the technical field of pig farm sewage deodorization treatment. The invention discloses a system for removing ammonia gas and hydrogen sulfide in water-soaked manure sewage. The system comprises an air-water ratio self-absorption system, a photosynthetic oxygen self-production system and a double-sided binary deodorization system, wherein the air-water ratio self-absorption system is built above a sewage storage tank; and the photosynthetic oxygen self-production system and the double-sided binary deodorization system are built in the air-water ratio self-absorption system. The invention develops a system for removing ammonia gas and hydrogen sulfide in water-soaked manure sewage, and the system is based on the characteristics of sewage and the dissolution and discharge rule of odor, combines a coating type photocatalyst and negative oxygen ion deodorization technology, integrates the photosynthetic oxygen production capacity of chlorella, and considers the factors of illumination and non-illumination, so that the water-soaked manure sewage treatment efficiency is improved, and the water-soaked manure sewage treatment efficiency is improved. According to the system disclosed by the invention, the interaction relationship among all factors is systematically researched, so that the effects of quickly removing and improving the deodorization efficiency can be achieved, and the framework structure constructed by the system is low in cost, easy to carry and reusable.

The invention discloses photocatalyst coating producing and processing equipment with a rotating speed adjusting function, and belongs to the technical field of photocatalyst coating production.The photocatalyst coating producing and processing equipment comprises a stirring barrel, supports are arranged on the two sides of the lower end of the stirring barrel, a discharging pipe is arranged on the lower side of one end of the stirring barrel, and an air blower is arranged on one side of the upper end of the stirring barrel; an air blower is arranged on one side of the upper end of the stirring barrel, an air conveying pipe is arranged between the air blower and the stirring barrel, a feeding bin is arranged on the other side of the upper end of the stirring barrel, and a buffering assembly is arranged on the lower side of the support. The main shaft drives the auxiliary shaft to rotate anticlockwise through the main gear and the auxiliary gear, the main shaft and the auxiliary shaft rotate to mix and stir coating raw materials in the stirring barrel through the multiple stirring rods, the rotating speed of the stirring rods can be adjusted by adjusting the rotating speed of the first motor, and the mixing and stirring effect on the coating raw materials in the stirring barrel is better by arranging the stirring assembly.

The invention relates to the technical field of air purification, and discloses a photocatalyst efficient air purifier which comprises a purifier, a cover plate is connected to the top of the purifier in a clamped mode, a rear filter screen is installed on the outer surface of the purifier, and a flow optimization assembly used for increasing the contact area of air and a photocatalyst is arranged at the bottom of the cover plate. A circulation reinforcing assembly used for increasing air mixing and input is arranged in the purifier, by optimizing an airflow path, airflow is firstly blocked by an inner grooved wheel and a guide ring when entering a purification area, then unique spiral airflow is formed, the spiral structure prolongs the contact time of pollutants and a purification layer, and the purification effect is improved. And the contact area between the two parts is greatly increased, so that the treatment capacity of the purifier on tiny particulate matters, bacteria, viruses and stubborn harmful gases is directly enhanced, the purification effect is far beyond the established standard, and harmful substances in indoor air are more effectively removed, thereby greatly reducing the potential threats of the harmful substances on human health.

The utility model relates to the technical field of air purification, in particular to efficient air purification equipment which comprises a main body mechanism, a filtering mechanism and a negative ion purification mechanism, the equipment is moved to a required use area through lockable universal wheels, and then a servo motor is started by controlling a touch screen, so that a rotating shaft is driven to rotate; the turbo-type fan rotates synchronously, external air enters the working box through the air inlet window, the air entering the equipment achieves the effects of dust removal through filtration, formaldehyde decomposition, peculiar smell removal and the like through a non-woven fabric filter layer and an activated carbon adsorption filter layer arranged on the inner side of the air inlet window, and through cooperation of a nano-photocatalyst filter layer and an ultraviolet lamp tube, the air purification effect is achieved. The effect of killing harmful substances in the air is achieved, and the air purification quality is improved. And through the arrangement of the negative ion purification mechanism, production of active oxygen is achieved, oxygen molecules in air can be effectively activated, the dust removal and sterilization effects can be achieved, and the practicability and the use experience feeling of the equipment are improved.

The utility model discloses a stain-resistant polyester fabric, comprising: a stain-resistant layer, an antibacterial layer, a light-shielding layer and a formaldehyde-removing layer which are compounded in sequence; the stain-resistant layer is interwoven with antistatic yarn as warp yarn and celis biodegradable fiber yarn as weft yarn; three-proof finishing agents are attached to the surface of the antistatic yarn and the celis biodegradable fiber yarn; the light-shielding layer is interwoven with black full-dull polyester fiber filaments; the formaldehyde-removing layer is interwoven with polyester network yarn as warp yarn and photocatalyst fiber yarn as weft yarn. Based on the stain-resistant polyester fabric of the utility model, when used to make curtains, the stain-resistant layer has excellent performances in waterproofing, oil resistance, liquid stain resistance and solid stain resistance, and the antibacterial layer has the function of inhibiting the reproduction of bacteria and fungi. The light-shielding layer uses black full-dull polyester fiber filaments to reduce the amount of light transmitted, thereby improving the light-shielding performance of the fabric, and the formaldehyde-removing layer can effectively decompose formaldehyde under light conditions to improve indoor air quality.

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 utility model discloses a photocatalyst sterilization module which is high in photocatalyst adhesive force, high in surface density, not easy to fall off, continuous and effective in sterilization and good in air purification effect. The fan (3) is used for introducing external air into the photocatalyst sterilization module and finally exhausting the external air outwards so as to form air circulation inflow and outflow; photocatalyst microparticles are stacked on the surface of the photocatalyst filter screen (6), and the photocatalyst filter screen (6) is used for filtering and intercepting particulate matters, bacteria and virus microorganisms in the air, decomposing water and oxygen in the air through a photocatalyst to form active oxygen and hydroxyl free radicals, and further decomposing bacteria, viruses, formaldehyde and TVOC organic matters in the air into water and carbon dioxide; the ultraviolet light source assembly is used for activating photocatalyst microparticles on the surface of the photocatalyst filter screen (6) and directly killing bacteria and viruses intercepted by filtration, and the photocatalyst microparticles are sprayed on the surface of the photocatalyst filter screen (6) and then are fixed through sintering.

The utility model discloses a combined air-conditioning unit, which relates to the technical field of air conditioning, and includes a shell, a fan arranged in the shell, a heat exchanger and an air purification device. The air purification device is arranged in the shell, and is composed of a plurality of purification modules, so that the overall size of the air purification device is adapted to the inner cavity size of the shell; the purification module includes a module frame, a filter assembly arranged in the module frame in sequence along the air flow direction, an electrostatic adsorption assembly, an ultraviolet light source assembly, a photocatalyst assembly and a negative ion generator. In the above-mentioned combined air-conditioning unit, the air purification device is composed of a plurality of purification modules, which can adapt to the shells of combined air-conditioning units of different specifications; at the same time, the air purification device can significantly reduce the dust in the air by combining the filter assembly and the electrostatic adsorption assembly, and can effectively reduce the bacterial content in the air by photocatalysis, further improving the negative ion generation efficiency and improving the purification effect.

A steel structural part spraying production line mainly comprises a conveying device, a 3D scanning device, a spraying device and a drying device. The conveying device comprises a feeding conveying device, a discharging conveying device and a main line conveying device. The main line conveying device longitudinally penetrates through the 3D scanning device, the spraying device and the drying device. The 3D scanning device is provided with a scanning device and can be used for scanning and analyzing the shape, appearance and size of the steel structural part and transmitting information to the spraying device. The spraying device comprises an upper spraying assembly and a lower spraying assembly. And the drying device is provided with an angle-adjustable drying plate, a photocatalyst lamp is arranged on the drying plate, harmful substances generated in the spraying process can be converted and volatilized through illumination, and pollution is reduced. The spraying devices and the drying devices are arranged in two sets. The spraying production line for the steel structural parts is further provided with a filter box. According to the spraying production line for the steel structural parts, all-directional double-spraying and double-drying operation can be conducted on the steel structural parts, and paint spraying and rust prevention treatment of the steel structural parts is achieved.

The utility model discloses an ultraviolet disinfection device, which belongs to the technical field of ultraviolet disinfection, and comprises a main body and a cover plate arranged on the main body, and further comprises an air inlet and an air outlet cylinder, an ultraviolet lamp and a photocatalyst filter screen are arranged on the mounting frame; the multiple mounting mechanisms are arranged in the mounting frame; the adjusting mechanism is arranged in the mounting frame; according to the scheme, after the cover plate is opened, the mounting frame can be moved out of the main body, then the mounting limitation of the mounting mechanism on the photocatalyst filter screen and other medium filter screens is relieved, and the operation of dismounting, cleaning or replacing the ultraviolet lamp, the photocatalyst filter screen and other filter screens can be conveniently completed; according to the air purifier, the situation that dismounting and mounting are needed by professionals at present is greatly avoided, dismounting and mounting are easy and convenient, the ultraviolet lamp, the photocatalyst filter screen and other filter screens can be effectively treated in time, and therefore the quality and effect of continuous air purification and disinfection in the using period can be effectively guaranteed, and the using effect is good.

The utility model discloses a waste gas treatment all-in-one machine which comprises a machine main body, the machine main body comprises a pretreatment cabinet, a treatment tank and a moving assembly, the moving assembly internally comprises a bottom plate, rollers and a grip, the pretreatment cabinet and the treatment tank are both arranged at the top end of the bottom plate, and an activated carbon filtering assembly is arranged in the pretreatment cabinet. An air inlet and a connecting pipe are respectively arranged at two ends of the pretreatment cabinet; a treatment tank is arranged at one end of the connecting pipe. According to the waste gas treatment all-in-one machine, the detachable fixing frame is arranged, the activated carbon filter layer is installed in the fixing frame, the activated carbon filter layer is convenient to replace, meanwhile, the pretreatment cabinet and the treatment tank are arranged, particulate matter and harmful substances in air are removed through activated carbon, and the waste gas treatment all-in-one machine is convenient to use. The photocatalyst deodorization structure and the UV disinfection structure achieve the sterilization effect, waste gas can be effectively purified, and the environmental protection requirement is met.

The utility model relates to the field of fireproof coating processing, in particular to a multifunctional reaction kettle for fireproof coating processing, which comprises a reaction kettle body, the top of the reaction kettle body is connected with a top cover through a bolt, and the top of the top cover is connected with a support frame through a bolt. Through cooperation of the driving motor, the stirring plate, the rotating rod, the L-shaped rod, the scraping plate and the auger blade, the reaction kettle has the advantage of being capable of lifting and stirring materials, the driving motor drives the rotating rod to rotate, and the auger blade rotates to lift the materials accumulated at the bottom in the reaction kettle body; the L-shaped plate drives the stirring plate to rotate to stir the materials, so that the stirring plate can fully stir the materials in the reaction kettle body; and through cooperation of an air suction pipe, a purification box, a negative pressure fan, an activated carbon net plate, a photocatalyst net plate, an ultraviolet lamp and a mounting base, the beneficial effect that generated harmful gas can be treated is achieved.

The invention relates to a lasting antibacterial photocatalyst particle and a preparation method thereof, and the preparation raw materials of the lasting antibacterial photocatalyst particle comprise the following components in parts by weight: 10-15 parts of butyl titanate, 5-10 parts of tetraethoxysilane, 1-2 parts of a rare earth compound, 8-15 parts of a silane coupling agent, 250-280 parts of absolute ethyl alcohol, 5-10 parts of industrial hydrochloric acid and 5-10 parts of deionized water. According to the photocatalyst particles, titanium dioxide serves as a core body, silicon dioxide serves as a shell layer, the silicon dioxide shell layer is of a mesoporous structure, and rare earth elements are distributed between the titanium dioxide core body and the silicon dioxide shell layer. Through the synergism of the titanium dioxide core, the porous silicon dioxide shell and the rare earth elements distributed between the core and the shell, the photocatalyst particles have the excellent effects of lasting and efficient antibacterial property and high stability.

1. The name of the product of this design: packaging bottle (4L photocatalyst V04). 2. Purpose of the product of this design: used to hold liquids. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

A lung cancer cell culture tank with an ozone sterilization function belongs to the field of biotechnology and cell culture equipment, and is characterized in that a sealing door (2) is arranged at the front part of a tank body (1), a 8W UVC ultraviolet lamp tube (3) is mounted at the top in the tank, and a nano titanium dioxide photocatalyst coating is sprayed on the inner wall of the tank body to form an ultraviolet sterilization and ozone management module; the tank bottom wall (18) is provided with a semiconductor chilling plate (5) and a temperature sensor (6); an air filter (7) with a 0.22 mu m hydrophobic filter membrane is arranged at the upper part of the rear wall (11) of the tank body; the semiconductor chilling plate (5), the temperature sensor (6) and the air filter (7) jointly form a cell culture environment maintaining system; a glove hole (4) is formed in the center of each tank body side wall (12) and is connected with an operation glove (17) through a telescopic sleeve (16); the control panel (8) is located on the front face of the tank body. The invention has the advantages of simple manufacture, convenient use, low cost and obvious effect.

The utility model discloses an indoor photocatalyst formaldehyde eliminating device and relates to the technical field of air purification. Comprising a lower machine body and an upper machine body, the rear side of the lower machine body is hinged to the upper machine body through a hinge, a rectangular sealing ring is arranged at the joint of the lower machine body and the upper machine body, a plane lock is installed on the front side of the lower machine body, the lower machine body is in locking connection with the upper machine body through the plane lock, and a filter element support is installed in the lower machine body. According to the indoor photocatalyst formaldehyde eliminating device, the lower machine body and the upper machine body are hinged through the hinge, locked together through the plane lock and hermetically connected through the rectangular sealing ring, the plane lock is simple and efficient in arrangement, and in the maintenance and repair process, the indoor photocatalyst formaldehyde eliminating device is convenient to use. A user can easily open and close the purifier only by rotating a key or operating a handle, the filter element can be conveniently taken out of the lower purifier body to be cleaned or replaced, operation time and energy can be saved, and great convenience is brought to later maintenance work of the purifier.

The drying device with the deodorization function comprises a shell, a drying assembly and a deodorization assembly, a drying air duct and a deodorization air duct are arranged on the shell, a hot air outlet of the drying assembly is communicated with the drying air duct, and the deodorization assembly is arranged in the deodorization air duct; the deodorization assembly comprises a photocatalyst assembly and a fan, a deodorization air outlet is formed in one end of the deodorization air duct, the fan is installed at the other end of the deodorization air duct, and the photocatalyst assembly is installed between the deodorization air outlet and the fan so that photocatalyst factors generated by the photocatalyst assembly can be blown out of the deodorization air outlet through the fan. The non-inductive deodorization device is high in deodorization efficiency, low in noise in the operation process, capable of achieving non-inductive deodorization, capable of greatly improving the experience of followers, free of material consumption and long in service life.

The utility model relates to the technical field of air purification equipment, and discloses a ceiling type air purifier which comprises a shell, an air duct upper cover plate is installed in the shell, a motor is installed in the center of the interior of the air duct upper cover plate, the output end of the motor is connected with a centrifugal wind wheel, and an air duct shunting support is arranged outside the centrifugal wind wheel in a sleeved mode. The ceiling type air conditioner has the advantages that the floor area is small, by adopting the ceiling type design, the floor space is not occupied, the indoor space is saved, and a plurality of air conditioners can be combined for use in a large space; the novel air purifier is good in purification effect, when the novel air purifier works, sucked air is firstly filtered by the photocatalyst filter screen and the activated carbon filter screen, particulate matter, harmful gas and other pollutants in the air can be effectively removed, and then the indoor air quality is effectively improved through ultraviolet disinfection and multi-stage air treatment of the ultraviolet disinfection box assembly.

The invention discloses an energy-saving environment control system for cultivating low-carbon-dioxide valuable and rare bacteria, and relates to the technical field of fungus cultivation equipment. A multi-gear frequency conversion fan is arranged in a power cabin, an HEPA filter screen and an activated carbon layer are sequentially arranged in a filter cabin, a spiral water-cooling coil pipe and a wet curtain device are arranged in a cooling cabin, an ultraviolet lamp and a photocatalyst coating are arranged in a disinfection cabin, and a fin type heat exchanger and a phase change energy storage module are arranged in a heat recovery cabin; the dynamic ventilation pipeline comprises a main air duct which is telescopic and heat-insulating, an electric air valve array is arranged at the tail end of the dynamic ventilation pipeline, a bypass mechanism is provided with a bypass pipeline and a switching valve, and air ports are formed in the tail ends of a plurality of branches; the monitoring and control unit comprises a PLC (Programmable Logic Controller) and is electrically connected with a temperature and humidity sensor, a CO / O concentration sensor, a wind speed sensor, an air quality sensor, a built-in timer and a logical operation module; precise control over the cultivation environment of the rare bacteria and efficient utilization of heat energy are achieved.

The invention provides a wet response directional self-cleaning down-proof fabric, a preparation method thereof and a down feather product, the preparation method of the wet response directional self-cleaning down-proof fabric comprises the following steps: S1, adding polyester polyurethane and microcapsules into an organic solvent to obtain a spinning solution; the microcapsule comprises a photocatalyst and a shell layer wrapping the photocatalyst, the shell layer comprises a component A and a component B, the component A comprises at least one of gelatin, Arabic gum, carrageenan and starch, and the component B comprises calcium alginate; s2, a knitted fabric serves as a receiving substrate, the spinning solution is subjected to electrostatic spinning, drying and hot pressing, the knitted fabric contains cellulose fibers, and the mass percentage content of the cellulose fibers in the knitted fabric is larger than 50%. The down-proof fabric capable of conducting moisture in one direction can be prepared, moisture of a quilt is accumulated on one side of the nanofibers in the using process, the self-cleaning function is triggered in the moisture accumulation state, and the down-proof fabric has the advantages of being breathable and soft.

This invention belongs to the field of composite material preparation technology, and provides an antibacterial activated carbon-silver ion composite photocatalyst and its preparation method. First, a nitrogen-doped titanium dioxide composite carbon dot core material is prepared using a hydrothermal method and high-temperature calcination, with titanium source, nitrogen source, and self-made carbon dots as raw materials. The core material is then surface-modified using a mercaptosilane coupling agent, and nano-silver is loaded in situ onto its surface via chemical reduction to obtain a multifunctional nanopowder. Simultaneously, activated carbon undergoes surface oxidation and amination treatment, and is grafted with the active ester polyethylene glycol maleimide, thereby constructing specific reaction sites on the activated carbon surface. Finally, the multifunctional nanopowder is covalently bonded to the activated carbon carrier surface using the Michael addition reaction between maleimide and mercapto groups. The resulting composite powder is then mixed with a dispersion medium and functional additives to obtain the antibacterial activated carbon-silver ion composite photocatalyst.

The invention relates to a flexible light source and photocatalyst collaborative purification cabin device, which comprises an electroluminescent module configured to emit visible light to realize cabin atmosphere illumination; and the photocatalyst module is arranged on a light irradiation path of the electroluminescent module, and an absorption spectrum of the photocatalyst module is matched with an emission spectrum of the electroluminescent module. The excitation wavelength of the photocatalyst is expanded from ultraviolet light to a visible light region, and the flexible electroluminescent fibers with matched spectrums are adopted as a synergistic excitation source, so that the same beam of visible light can be used as an atmosphere light source to be perceived by human eyes to meet the requirement of visual comfort on one hand, and can be used as an excitation light source to activate the photocatalyst on the other hand to meet the requirement of visual comfort on the other hand. The health purification function is achieved, the problems that in the prior art, purification and illumination are mutually contradictory in spectrum requirements and are mutually independent in system structure are fundamentally solved, and collaborative linkage of vision and smell is achieved.

The utility model discloses a photocatalyst sterilization assembly for an air purifier. The photocatalyst sterilization assembly comprises a shell of the photocatalyst sterilization assembly, an air inlet is formed in the upper end of the shell, an air outlet is formed in the lower end of the shell, a cylindrical photocatalyst carrier is installed in the shell, and a light source belt is installed on the inner wall of the shell and surrounds the photocatalyst carrier; an air inlet plate is installed in the air inlet in a threaded mode, an air outlet plate is installed in the air outlet, a flow guide plate is arranged on the inner wall of the shell, the flow guide plate is arranged in a spiral shape, and the cylindrical photocatalyst carrier is inserted into the center of the spiral flow guide plate. The cylindrical photocatalyst carrier is arranged in the shell, so that the flowing distance and the retention time of air in the shell are greatly increased, and the air can have more time to be in full contact with the cylindrical photocatalyst carrier, so that the decomposition and killing effects of the photocatalyst on harmful substances such as bacteria in the air are improved, and the overall sterilization efficiency of the equipment is improved.

The utility model relates to the technical field of photocatalyst production, in particular to a photocatalyst solution production device which comprises a stirring barrel, an inner barrel is coaxially arranged in the stirring barrel, the inner barrel is vertically arranged, and the upper end and the lower end of the inner barrel are communicated; the solution production device further comprises a stirring paddle arranged in the inner cylinder and a transmission mechanism used for driving the stirring paddle to rotate. According to the utility model, photocatalyst material sediments or agglomerated particles which do not penetrate through the filter plate are pushed to ascend to the upper part of the inner cylinder along with the filter plate in the ascending process of the filter plate, and then the filter plate is driven to quickly descend by matching with the piston rod; and the stirring paddle is arranged in the inner cylinder, so that photocatalyst material precipitates or agglomerated particles are positioned above the inner cylinder, and the stirring paddle continuously stirs the interior of the inner cylinder to scatter the photocatalyst material precipitates or agglomerated particles, thereby effectively avoiding the phenomenon that the material precipitates or agglomerated particles possibly appear in a conventional stirring mode.

The invention discloses a photoconductive catalytic filtering structure and relates to the technical field of air purification. The device comprises a frame body; the light guide strip is made of a light guide material and is arranged on the inner side of the frame body in a striding manner; the honeycomb filter is arranged in the frame body and located on the upper side of the light guide strip, and a photocatalyst is arranged on the honeycomb filter; and the LED lamp is arranged on the frame body and abuts against the end part of the light guide strip so as to guide light emitted by the LED lamp into the light guide strip, and then the light irradiates the honeycomb filter through the light guide strip, so that the photocatalyst on the honeycomb filter fully reacts, and air passing through the honeycomb filter is killed. A sawtooth reflecting face is arranged at the bottom of the light guide strip so that light on the inner side of the light guide strip can be reflected upwards. Second light reflecting faces are arranged on the two sides of the bottom of the light guide strip so that light on the inner side of the light guide strip can be reflected to the two sides above the light guide strip. The technical scheme has the advantages of large filtering surface area, small air resistance, large filtering flow, full photocatalyst reaction and good disinfection effect.

The utility model discloses an indoor microorganism disinfection and purification system which comprises a shell, the shell is provided with an air inlet and an air outlet, the shell is provided with a purification device, a disinfection device and a centrifugal fan, and the purification device, the disinfection device and the centrifugal fan are sequentially arranged in the airflow direction; the disinfection device comprises a photocatalyst layer and a plurality of ultraviolet lamp tubes, and the photocatalyst layer and the ultraviolet lamp tubes are sequentially arranged in the direction from the air inlet to the air outlet. The disinfection device is composed of a photocatalyst layer and a plurality of ultraviolet lamp tubes, under ultraviolet irradiation, the photocatalyst layer can generate hydroxyl free radicals and superoxide anion free radicals with strong oxidizing property, and the free radicals can be rapidly subjected to oxidation-reduction reaction with bacteria, viruses, formaldehyde and other harmful microorganisms and organic pollutants in the air, so that the disinfection effect is achieved. The cell structure or molecular chain is destroyed and decomposed into harmless substances such as carbon dioxide, water and the like, so that the purposes of disinfection and purification are achieved.

According to the air purifier, air turbulence can be formed in the filter cartridge, the point wind speed on the surface of a photocatalyst carrier is increased due to the formation of the air turbulence, the contact probability of air and the photocatalyst carrier can be increased, and the filtering effect of the filter cartridge is improved; furthermore, no shielding object is arranged in the air duct in the filter cartridge, and the air resistance in the filter cartridge is reduced, so that the filtering effect of the air purifier can be comprehensively improved in the two aspects of purified air quantity and purification effect, the air resistance in a filtering pipeline is reduced, the contact frequency of air and the photocatalyst carrier is increased, and the air purification effect is improved. And the filtering efficiency of the air purifier is improved. The filter cartridge is provided with an air inlet and an air outlet, and the axial length of the filter cartridge is larger than the maximum inner diameter of the filter cartridge; the photocatalyst carrier is attached to the inner surface of the filter cartridge; and the irradiation unit is fixed on the inner surface of the filter cartridge and emits ultraviolet light to irradiate the photocatalyst carrier.

The utility model discloses a photocatalyst air disinfection module which comprises a shell with an inner cavity, an excitation light source and a disinfection module, the excitation light source and the disinfection module are arranged in the shell, the shell is provided with an air inlet and an air outlet which are communicated with the inner cavity, the disinfection module comprises a fan and a plurality of groups of photocatalyst plates, the fan is fixed in the inner cavity of the shell, and the photocatalyst plates are fixed in the shell. The photocatalyst plate is arranged between the fan and the air outlet; the photocatalyst plate is composed of at least two honeycomb plates which are obliquely arranged, and a plurality of ventilation holes are formed in the honeycomb plates in a penetrating manner; the photocatalyst plates are coated with photocatalysts, each group of photocatalyst plates is provided with at least one excitation light source, and the excitation light sources are located over the corresponding photocatalyst plates. According to the utility model, the photocatalyst plate with a special structural form is adopted, and the photocatalyst plate with a V-shaped, inverted V-shaped, N-shaped or W-shaped structure is formed by the two honeycomb plates, so that the contact area of the photocatalyst plate and the light of the excitation light source is greatly increased, the catalytic efficiency and catalytic effect of the photocatalyst are effectively improved, and the disinfection and killing effect is improved.