90results about How to "Realize disinfection and sterilization" patented technology

The invention discloses a method for producing hydrogen and methane through continuous solid state fermentation of kitchen garbage, which comprises the following steps of: (1) dewatering kitchen garbage; (2) performing steam explosion; (3) mixing sludge and initiating continuous solid state fermentation; (4) separately feeding the kitchen garbage after fermentation is initiated, and simultaneously inoculating newly fed kitchen garbage subjected to steam explosion with bottom fermentation residue on the top; (5) agitating the materials by using circulating wind in the fermentation process; (6) automatically extracting and separating the materials when the gas pressure is higher than 0.1 MPa; and (7) further drying the fermented residue to be used as an organic fertilizer. The invention has the advantages of treating the kitchen garbage through steam explosion, increasing the degradation rate of the raw materials, producing hydrogen and methane through solid state fermentation, avoiding subsequent waste water treatment and improving efficiency by using the continuous fermentation process.

The invention provides a toilet intelligent cleaning robot which comprises a field positioning system, a robot control and driving system, a battery unit and a battery management module, a spraying system, a warm air blowing system, a mechanical arm, a toilet state detecting system, a sundry cleaning system, a path recognition system, an obstacle avoiding system, an audio system, a remote monitoring system and an automatic charging system. Omnidirectional wheels are utilized, the robot is convenient to control and easy to operate, cleaning work of urinals and squatting pans of the toilet `and ground cleaning are achieved, an ultraviolet sterilization instrument arranged on the robot can achieve disinfection and sterilization of the toilet, the artificial cleaning difficulty is greatly lowered, and the working efficiency is improved.

The invention provides a 3D (Three-dimensional) structural functional composite air purification filter element. The filter element is of a three-layer structure, namely, a filtering layer, an adsorption layer and a sterilizing layer which are arranged in sequence; material adopted includes non-woven fabrics, active carbon fibers and nano-silver non-woven fabrics. According to the 3D structural functional composite air purification filter element, the adopted structural functional non-woven fabrics show obvious adsorption to suspended particles and PM2.5 (Particulate Matter 2.5); the active carbon fibers are clamped between the two non-woven fabrics layers, so as to solve the problem that small granules easily leak while the granular adsorbing materials are adopted; nano-silver added on the non-woven fabrics solves the problem that a traditional air purification filter element has no sterilization effect. Compared with the traditional air purification filter element, the 3D structural functional composite air purification filter element has the advantages that the problems of dregs, difficult cleaning and incapability of sterilization and disinfection of the existing air purification filter element are solved; in addition, the drag coefficient is small, the purification efficiency is high, the sound can be absorbed, the cleaning is easily carried out, the sterilization effect is achieved, and the mass is small.

The invention discloses a method for producing ethanol by continuous solid state fermentation of restaurant-kitchen garbage. The method comprises the following basic steps of: (1) performing steam explosion pretreatment on the restaurant-kitchen garbage; (2) adding saccharification enzyme, cellulase and active dry yeast into the treated raw materials; (3) continuously delivering the raw materials to a reactor under set conditions to perform continuous ethanol fermentation and extraction; and (4) automatically discharging the fermentation residue out of the reactor, and drying the fermentation residue in a continuous dryer to form an organic fertilizer. The wastewater treatment problem in the production is avoided by adopting a solid state fermentation process, the treatment efficiency of the garbage is improved by adopting a continuous production process, and heat energy produced in the fermentation process is fully utilized for extraction of the ethanol through a coupled heat pump system so as to reduce the energy consumption and reduce the production cost of the ethanol. The organic fertilizer can be obtained besides the ethanol in the production process, wastes and new pollutants are totally not produced in the production process, and full digestion and full utilization of the restaurant-kitchen garbage are realized.

The invention discloses a method for producing butanol by continuous solid state fermentation of restaurant-kitchen garbage. The method comprises the following basic steps of: (1) performing liquid-solid separation on the restaurant-kitchen garbage by using a centrifugal dehydrator; (2) performing steam explosion pretreatment on the dehydrated restaurant-kitchen garbage; (3) adding saccharification enzyme into the treated restaurant-kitchen garbage according to the weight, and delivering the cellulase to a continuous solid state fermentation reactor; (4) continuously inoculating the cultured clostridium acetobutylicum seed solution to a culture medium; (5) continuously delivering the raw materials to the reactor under set conditions to perform continuous butanol fermentation and extraction; (6) rectifying the condensed solvent to obtain pure products of acetone, ethanol and butanol; and (7) further drying the fermentation residue through a continuous dryer till the water content is less than 14 percent to prepare an organic fertilizer. By adopting the continuous solid state fermentation process, wastewater treatment is avoided, the treatment efficiency is increased, the energy consumption is reduced, and the production cost of the butanol is reduced.

The invention discloses a spinning cloth winding device with drying and sterilizing functions. The device comprises a winding box, mounting plates, a fan, an electric heating wire and a driving motor,wherein a box door is mounted on the surface of the front side of the winding box; the mounting plates are arranged in the winding box; ultraviolet lamps are mounted at the outer ends of the mountingplates; the fan is arranged above the left of the winding box; the lower end of the fan is connected with an air guide pipe; the electric heating wire is arranged below the air guide pipe; the two ends of the electric heating wire are connected with fixing plates positioned on the inner wall of the winding box; and an electrostatic elimination rod is arranged below the left of the fixing plates.The spinning cloth winding device with the drying and sterilizing functions is provided with the electrostatic elimination rod, connecting blocks and a movable rod, spinning cloth passing through thesurface of a first rotary drum can be subjected to electrostatic elimination through the electrostatic elimination rod, and meanwhile, the position of the connecting blocks can be controlled through the rotation of the movable rod, so that the distance between the electrostatic elimination rod and the first rotary drum is conveniently adjusted.

The invention relates to the field of disinfection channels, and provides a disinfection channel with body temperature detection and face recognition functions and a control method thereof. The disinfection channel with the body temperature detection and face recognition functions comprises a security check door, an air shower channel and a disinfection and sterilization room, wherein the securitycheck door comprises a face recognition module and a body temperature measurement module; the air shower channel is arranged on one side of the security check door; the disinfection and sterilizationroom is arranged on one side, far away from the security check door, of the air shower channel; and the disinfection and sterilization room comprises an ultraviolet sterilization lamp, an ultrasonicatomizer, a button and a rotary table electrically connected to the button. The security check door, the air shower channel and the disinfection and sterilization room are combined, the face recognition module and the body temperature measurement module are mounted on the security check door, and the ultrasonic atomizer, the ultraviolet sterilization lamp and a plasma disinfection machine are mounted on the disinfection and sterilization room, so that an automatic disinfection flow is realized, comprehensive disinfection and sterilization of a user are realized, the security check efficiency is improved, and the risk that security check workers are infected is reduced.

The invention provides a rail type in-situ purification system for a water discharge pipeline. The rail type in-situ purification system comprises a chain type rail, a suspension type bracket, a processing unit and an auxiliary unit, wherein the chain type rail is installed in an inspection well and a water discharge pipeline, the suspension type bracket is suspended on the chain type rail, the processing unit is nested in the suspension type bracket, and the accessory unit is matched with the processing unit and assists the processing unit in normal operation. According to the invention, theinternal spaces of the inspection well and the water discharge pipeline are fully utilized, the conveying and arrangement of the processing unit in the water discharge pipeline can be realized throughthe ingenious design of the chain type rail and the suspension type bracket, and the in-situ water purification, disinfection sterilization and dredging of the water discharge pipeline are realized through the flexible combination of the processing unit and the auxiliary unit; and compared with the system in the prior art, the system of the invention has the outstanding characteristics of high applicability, easiness in implementation, multiple functions, flexibility in operation, remarkable effect and the like.

The invention discloses a closestool cleaning device which comprises a cleaning hood and a supporting seat, wherein the cleaning hood covers a closestool; a spraying cleaning mechanism is arranged in the cleaning hood and sprays cleaning fluid / steam into the closestool in the cleaning hood; the supporting seat supports a closestool washer and a closestool cover, so that the spraying cleaning mechanism can spray the upper and lower surfaces of the closestool washer and the closestool cover; the cleaning hood is of a flexible half-surrounded hood body structure, and is provided with a hood opening of a closed structure; the hood opening corresponds to the outside shape of the closestool and is fitted to the periphery of the closestool tightly; the cleaning hood comprises an inner layer and an outer layer; the spraying cleaning mechanism is arranged between the inner layer and the outer layer; the supporting seat comprises a base supported on a closestool seat and a bracket which is mounted on the base and supports the closestool washer and the closestool cover respectively.

The invention discloses an in-vehicle disinfecting, killing and sterilizing device. The device comprises a monitoring and power supply management module, an execution control module and an execution mechanism; the monitoring and power supply management module is connected with the execution control module and the execution mechanism, and is used for collecting vehicle data, judging whether a vehicle meets a preset condition or not based on the vehicle data, and sending a control instruction to the execution control module when the vehicle meets the preset condition; the execution control module is used for receiving the control instruction and controlling the execution mechanism to perform in-vehicle disinfecting, killing and sterilizing operation based on the control instruction; the execution mechanism comprises an ultrasonic atomizer and an ultraviolet generator; and the monitoring and power supply management module is also used for supplying power to the execution control module and the execution mechanism. According to the device, the technical effects that the full-automatic disinfection and sterilization work of air and interior trim parts in the vehicle is realized, so thatmembers in the vehicle can take off masks when being in the space in the vehicle, and enjoy the safe and healthy driving environment are achieved.

The invention relates to a piece of medical equipment for shaking medicament. The equipment comprises a body, an outer casing, an inner casing and a placing box; a supporting base is arranged at a bottom of the body, supporting arms are fixedly welded at two sides of the upper surface of the supporting base, and the outer casing is arranged between the supporting arms; driving turntables are arranged at the upper ends of the supporting arms, a second working motor is welded at the rear side of the driving turntable, the inner casing is arranged inside the outer casing, and the upper parts of two side walls of the inner casing are welded with a connecting base, and one side of the connecting seat far from the inner casing is welded with the outer casing; the inner casing is internally and annularly distributed with a plurality of placing boxes. The equipment can be used for realizing sufficient shaking of medicaments, so that the pharmacological effects of the medicaments are better applied to patients; and at the same time the equipment can avoid full protection of the medicament bottles, avoid breakage of the medicament bottles, and has better safety.

The invention discloses an integrated sewage treatment unit and a method. The unit comprises a membrane biological reaction processor, an ozone generation system and a UV decomposition processor comprising at least one UV light source. A combined treatment method is employed to combine sewage separation by membrane and degradation of organic matters by activated sludge, and then the sewage is subjected to high-grade oxidation by hydroxyl free radicals. The integrated sewage treatment unit and method provided by the invention not only can remove macro-molecular organic matters, virus and microbes in sewage through aeration treatment by an aeration unit in the membrane biology reaction processor and degradation treatment by aerobic microbes in biological activated sludge, but also can generate hydroxyl free radicals with extremely strong oxidization through ultraviolet ray irradiation on gas-liquid mixture of ozone and water. Hydroxyl free radicals use extremely strong oxidization to thoroughly decompose organic matters in water, further remove microbes, and to generate carbon dioxide and water, so as to realize the purpose of excellent deodorization, decoloring, disinfection and removal of harmful substances including COD, BOD, ammonia, nitrogen and phosphor, etc.

The invention discloses a multifunctional combined cabinet for a restaurant. The multifunctional combined cabinet for the restaurant comprises a cabinet body and a door; two sides off the cabinet body and the door are connected through hinges; a seasoning storing rack is arranged on the cabinet body; a refrigerating cabinet, a drying cabinet, a tableware storing cabinet and a cooking utensil storing cabinet are arranged in the cabinet body; a waterproof groove is formed in the outer side edge of the cabinet body; the refrigerating cabinet is equipped with a refrigerating device; the drying cabinet is equipped with a drying device; the tableware storing cabinet and the cooking utensil are equipped with sterilizing devices; the tableware storing cabinet and the cooking utensil storing cabinet can be internally rotated in 360 degrees. With the adoption of the structure above, the multifunctional combined cabinet for the restaurant achieves the effect of integrating drying, disinfecting and sterilizing, refrigerating, convenient storing and picking and other functions.

The invention provides a rail type in-situ purification method for a drainage pipeline. A chain type rail is mounted in an inspection well and the drainage pipeline, suspended supports are suspended on the chain type rail, treatment units are embedded into the suspended supports, driving chain wheels are driven by motors to rotate, then a chain is driven, thus, the suspended supports are conveyedinto the drainage pipeline, and an auxiliary unit is arranged on the ground outside the inspection well and used for assisting the treatment units in in-situ purification of the drainage pipeline. Theinternal space of the inspection well and the drainage pipeline is fully utilized, through ingenious design of the chain type rail and the suspended supports, the treatment units are conveyed and arranged in the drainage pipeline, and through the flexible combination of the treatment units and the auxiliary unit, in-situ water quality purification, disinfection and sterilization and dredging of the drainage pipeline are achieved. Compared with the prior art, the rail type in-situ purification method has the prominent characteristics of being high in applicability, easy to implement, diverse in function, flexible in operation, remarkable in effect and the like.

The invention discloses natural antibacterial gauze and a preparation method and application thereof. The method comprises the following steps of (1) adding chitosan to water, performing uniform stirring and dispersing, then performing grinding, and adding water for diluting to obtain chitosan nanofiber suspension; (2) enabling cellulose nanometer crystal whiskers to disperse in water to obtain cellulose nanometer crystal whisker suspension; (3) soaking the gauze in the chitosan nanofiber suspension, performing taking out, and performing drying to obtain the gauze containing chitosan nanofibers; (4) immersing the gauze containing chitosan nanofibers in the cellulose nanometer crystal whisker suspension, performing taking out, and performing drying to obtain the gauze containing chitosan and cellulose nanometer crystal whiskers; and (5) ending the step (4), or repeating the steps (1) to (4) to obtain the natural antibacterial gauze. The obtained gauze can realize slow release of an antibacterial agent so as to prolong the antibacterial effectiveness, wound healing is facilitated, and the natural antibacterial gauze has anti blocking function and can be applied to the antibacterial field for medical care.

The invention provides a shopping cart including a control module, a main frame body, a handle arranged on the frame body and a first ultraviolet unit communicatively connected with the main control module, the handle is sleeved with a first sleeve shell, and one end of the first sleeve shell is fixed with one end of the handle, the other end of the first sleeve shell is a movable end, a gap is arranged between the outer wall of the handle and the inner wall of the movable end of the first sleeve shell, and the first ultraviolet unit is arranged on the inner wall of the first sleeve shell; thecontrol method of the shopping cart is also provided: the human body contact sensor monitors the contact state of the human body to the handle in real time and feeds back to the main control module,When the main control module analyzes the signal fed back from the human body contact sensor and judges that the time length of the human body disengaging from the handle reaches the preset time length, the main control module controls the first driving device to drive the first sleeve housing to extend and controls the first ultraviolet unit to emit the preset amount of ultraviolet light, and then controls the first driving device to drive the first sleeve housing to shorten to expose the handle. So that custom cross infection can be avoided.

The invention relates to the field of medical disinfection, in particular to a large-area sterilization and purification system for a hospital environment. The large-area sterilization and purification system comprises a rotary disinfection adding pipe, spray branch pipes, a disinfection atomizing nozzle, a driving fluted disc and a rotary driver, wherein the upper end of the rotary disinfection adding pipe is uniformly fixed and communicates with a plurality of spray branch pipes; the outer ends of the spray branch pipes are connected with the disinfection atomizing nozzle through sealing threads in a matched manner; the driving fluted disc is fixedly connected to the rotary disinfection adding pipe; and the driving fluted disc drives the rotary driver through gear engagement. The large-area sterilization and purification system has the beneficial effects that the large-area sterilization and purification system can be applied to disinfection of large-area spaces with large public spaces such as hospitals; large-area disinfection and sterilization are realized through the disinfection effect of rotary spray; air on the ground is disinfected and then blown upwards, so that the atomizing area is enlarged; the disinfection effect is improved; and the displacement is automatically controlled, so that the movable disinfection area is enlarged, and disinfection of the large space is realized.

The invention discloses an intelligent control system for indoor air detection and purification. The intelligent control system comprises terminal devices. Each terminal device comprises a communication module and a control module connected with the communication module; and the terminal devices are connected with a server through the communication modules, and the server communicates with an APP client-side; the control modules are connected with a set module, a display module, a sensor module used for detecting indoor environment parameters, an air purifier used for purifying indoor air and a driving module. According to the intelligent control system for indoor air detection and purification, functions such as dust sucking, disinfection and sterilization, foreign flavor eliminating and static electricity neutralizing are achieved, and air multifunctional and multiaspect purification is achieved; and the terminal devices communicate with the server and communicate with the APP client-side through the server, and monitoring and remote control over the multiple terminal devices are achieved.

The invention discloses a washing-free disinfection composition, a preparation method thereof and washing-free disinfection gel. The washing-free disinfection composition comprises the following components in percentage by mass: 0.1-0.6% of a thickening agent, 0.1-0.6% of a neutralizing agent, 60-75% of ethanol, 1.29-11.70% of a humectant, 0.5-3.0% of a first plant extract, 0.3-2.0% of a second plant extract and the balance of water, wherein the first plant extract comprises a peach resin extract, and the second plant extract comprises an astragalus membranacus root extract, a divaricate saposhnikovia root extract, a marigold flower extract, an albizia flower extract and a tall gastrodia root extract in a mass ratio of (1-3):(2-7):(1-4):(2-5):(1-5). The washing-free disinfection composition has disinfection and sterilization effects, does not need to be washed with clear water in a use process, and is comfortable and non-irritating. Active ingredients of the wash-free disinfection gelcomprise the wash-free disinfection composition, and the wash-free disinfection gel is in a form of gel.

The invention provides a storage and taking device of medical health products. The storage device comprises a storage bin and a taking bin. A sealed space is formed in the storage bin. A sealed spaceis formed in the taking bin. A sealing valve is arranged between the storage bin and the taking bin. The storage bin is used to store medical health products in a sealed manner. The storage and takingdevice further comprises a taking mechanism. The taking mechanism is used to take the medical health products out of the storage bin to the taking bin through the sealing valve. The taking bin is provided with a taking port. A user takes the medical health products out through the taking port. The storage and taking device of medical health products can be used for storage and taking of the medical health products, particularly masks, and it is guaranteed that the masks, particularly the roller type simple masks, are stored in a sterile environment and are easy to take for use. According to the storage and taking device of the medical health products, because the action of the medical health products to enter the taking bin from the storage bin and the action of the medical health products to be taken out of the taking bin are carried out separately, it is prevented to the maximum extent that bacteria from the outside world are brought into the storage bin in the process of taking themedical health products for use, and the health products stored in the storage bin are contaminated.

The invention relates to the medical and health field, in particular to a special automatic disinfection and sterilization system for an ICU ward. The system is installed in the ICU ward and includesa central control device which is electrically connected to an air conditioner, a detection device, a disinfection device, a sterilamp, an exhaust fan and an electric window. By the utilization of anintelligent control system, the disinfection and sterilization of the ICU ward when unattended is realized. The system of the invention is more stable and convenient, more efficient, and more reliablethan traditional manual disinfection.

The invention relates to a bag type self-supplied medical cotton swab supplied of a sanitizer. The medical cotton swab comprises a hollow handle, a cotton ball and an liquid outlet air bag, wherein the cotton ball is wound at the lower end of the hollow handle; the liquid outlet air bag is sealed at the upper end of the hollow handle; the cotton ball absorbs the sanitizer, sanitizer is stored in the hollow handle and controlled by the air bag; and the medical cotton swab is sealed and packaged by a sealed packaging bag. When the medical personnel is to sterilize the site to be treated of a patient, the sealed packaging bag is directly tore and the cotton swab with sanitizer is used for the coating treatment; in the coating process, the sanitizer absorbed on the cotton ball can be coated on the skin to be treated of the patient so as to realize sterilization; and when the liquid outlet air bag is pressed, the sanitizer stored in the hollow handle can be timely provided for the cotton ball, thus the sterilization effect is good, the operation is extremely convenient and the cross-infection accident happening in the sterilization process can be eliminated.

The invention discloses medical antimicrobial gauze. The medical antimicrobial gauze is prepared in the mode that the surface of a soluble gauze blank is coated with an antimicrobial polypeptide layer. The polypeptide layer has the good sterilizing effect. The medical antimicrobial gauze has the effect that germs are killed in short time. The product is low in cost and easy to prepare.

The invention provides a rapid disinfection and sterilization device for living goods, and belongs to the technical field of living goods. The rapid disinfection and sterilization device comprises a box body, wherein one side of the box body is provided with a pick-and-place opening, the bottom of the inner side of the box body is rotatably provided with a steam generation box, a containing assembly is arranged above the steam generation box, the containing assembly comprises an annular supporting plate with the hollow interior and a second annular plate arranged on the inner side of the annular supporting plate, a plurality of sets of supporting rods are arranged on the outer side of the second annular plate in a central symmetry mode, the end, away from the second annular plate, of eachset of supporting rods is provided with a gear which horizontally penetrates through the annular supporting plate and is fixedly connected with the supporting rods, a first annular plate is fixedly arranged on the inner wall of the box body, an annular rack is fixedly installed on the upper portion of the first annular plate, and the gear is meshed with the annular rack. The embodiment of the invention has the advantages of convenience in use, wide disinfection range and good disinfection and sterilization effects.

The invention discloses an ultrasonic wave type chopping board cleaner with a high-temperature disinfection function, which comprises a box body and an inner box, wherein the box body comprises a controller and a box door, an ultrasonic generator is arranged on the inner box, the controller is connected with the ultrasonic generator, a heating ring is connected with the bottom of the inner box, the heating ring is connected with the controller. The ultrasonic wave type chopping board cleaner with high-temperature disinfection function generates ultrasonic wave by the ultrasonic generator, so that the automatic cleaning of the chopping board is realized; the water in the inner tank is heated by the heating ring so as to realize disinfection and sterilization; the automatic drying is realized by hot air; through the design of the limiting rod and the nozzle, water and cleaning solution can be uniformly sprayed on the surface of the chopping board. Meanwhile, the ultrasonic wave type chopping board cleaner with high-temperature disinfection function also has the advantages of temperature control, water level control, box door in-place detection and APP intelligent control, and integrally provides the chopping board cleaner with better cleaning effect, less water consumption and more flexible and intelligent use.

The invention discloses a water supply tank disinfection and sterilization device. The device comprises a water supply tank, a disinfection water tank, a disinfectant generation device and a controller module, the water supply tank is communicated with a water inlet pipe network, a user and the disinfection water tank, the disinfection water tank is communicated with the disinfectant generation device through a disinfection pipe, an input end of the controller module is connected with a water quality detection module, and an output end of the controller module is connected with an electromagnetic valve module and the disinfectant generation device. The device is suitable for disinfecting and sterilizing a water supply tank of a single-storey or multi-storey building. Intelligent disinfection is realized, the dosage of the added disinfectant is small, excessive chlorine and other disinfectants do not exist in the water, harm to the human body is reduced, insects and the like can be intelligently driven into the water supply tank, the water pollution probability is reduced, if the water quality in the water supply tank is not ideal, water in the water supply tank flows into the disinfection water tank and then is disinfected, and the whole device is simple in structure and high in feasibility.

The invention discloses a toilet bowl cover component which comprises a control unit, a cushion, an upper cover and a first deep ultraviolet sterilization module, wherein the upper cover is used for covering a toilet bowl body, and the first deep ultraviolet sterilization module is arranged on the upper cover. The first deep ultraviolet sterilization module comprises a supporting part and a deep ultraviolet device, the supporting part is arranged on the upper cover, the deep ultraviolet device is arranged on the supporting part, the deep ultraviolet device comprises a first deep ultraviolet light source and a second deep ultraviolet light source, the first deep ultraviolet light source emits light to the toilet bowl body, and the second deep ultraviolet light source emits light to the inner surface of the upper cover. The invention further discloses a toilet bowl which comprises the toilet bowl body, a flushing device for cleaning a body and the toilet bowl cover component. Light emitted by the first deep ultraviolet light source and the second deep ultraviolet light source irradiates the toilet bowl body and the inner surface of the upper cover, bacteria and virus adhered on the toilet bowl body and the inner surface of the upper cover are killed, toilet bowl spaces of the toilet bowl body can be disinfected and sterilized by the second deep ultraviolet light source, the toilet bowl cover component is thorough in sterilization, sanitary, reliable, safe to use, and the inner surface of the upper cover, the cushion and the toilet bowl body are disinfected and sterilized.

The invention discloses a water dispenser with a dewatering outlet capable of being disinfected and sterilized. The water dispenser comprises a water heater body (1) and is characterized in that the outlet end of a purified water bucket (2) is connected with the upper end of a water inlet pipe (3); an infrared detector (10) is installed on the upper portion of the side wall of a heating water cavity (8) and is connected with an electromagnetic water valve (14); a water receiving window (11) is formed on the outer wall of the water heater body (1), and a hot water switch (7) is installed in the water receiving window (11); and an ultraviolet sterilizer (12) is installed on the upper portion of the inside of the water receiving window (11). According to the water dispenser, the ultraviolet sterilizer is installed on the upper portion of the inside of the water receiving window, the position nearby the dewatering outlet can be disinfected and sterilized, and cross infection is avoided. Meanwhile, due to arrangement of the infrared detector used for detecting the water level inside the heating water cavity, water can be replenished in time when the water level inside the heating water cavity is low, and using is quite convenient.

The invention provides a photocatalytic reaction system for reducing pollutants in a drainage pipe network. The photocatalytic reaction system comprises chain type guide rails, a suspension type support, a photocatalysis unit and a power supply monitoring unit. The chain-type guide rails are installed in an inspection well and a drainage pipeline, the suspension type support is suspended on the chain-type guide rail, the photocatalysis unit is nested in the suspension type support, and the power supply monitoring unit supplies power to the photocatalysis unit and monitors operation conditionsof the photocatalysis unit. Furthermore, the invention further discloses an installation, operation and maintenance method of the system. According to the system and the method, the internal spaces ofthe inspection well and the drainage pipeline are fully utilized; conveying and arrangement of the photocatalysis unit in the drainage pipeline are achieved through ingenious design of the chain typeguide rails and the suspension type support, and in-situ water quality purification and disinfection and sterilization of the drainage pipeline are achieved through flexible switching of the functions of photocatalysis oxidation, direct photolysis, ultraviolet disinfection and the like of the photocatalysis unit. Compared with the prior art, the system has the outstanding characteristics of highapplicability, easiness in implementation, multiple functions, flexibility in operation, remarkable effect and the like.

The invention discloses a safe and low-noise air disinfection-sterilization-purification machine. The safe and low-noise air disinfection-sterilization-purification machine comprises a purification machine shell, a honeycomb, a high-pressure generator, a parallel fan, a circuit board, a negative-ion generator body and a Maya-blue filter device, wherein an air inlet of the purification machine and an air outlet of the purification machine are formed in the sidewall of the purification machine shell; the air inlet of the purification machine faces an air inlet of the honeycomb; the parallel fan is arranged at an air outlet of the honeycomb; an air outlet of the parallel fan faces the air outlet of the purification machine; the negative-ion generator body is connected with a negative-ion generator carbon brush through a conductive wire; the negative-ion generator carbon brush is arranged between the honeycomb and the parallel fan and close to the air outlet of the honeycomb; the negative-ion generator body is installed on the purification machine shell; a ground wire of the negative-ion generator body is grounded through the purification machine shell; and the parallel fan comprises an impeller, unequal-pitch metal blades and a volute, and the blades are electrically connected with the purification machine shell. The safe and low-noise air disinfection-sterilization-purification machine disclosed by the invention has the beneficial effects of being low in noise, clean, safe to use, reliable in running, and easy to realize.