83results about How to "Reduce ozone concentration" patented technology

An improved method of photoresist removal is disclosed in which a treating solution of ozone and bicarbonate or other suitable radical scavengers is used to treat a substrate for use in an electronic device. The method is particularly well suited to photoresist removal where certain metals such as aluminum, copper and oxides thereof are present on the surface of the substrate. The method is also well suited to the removal of other organic materials as well.

A color laser printer is provided with a first exhaust duct for exhausting ozone generated by a charging unit etc. inside a housing to the outside of the housing. The first exhaust duct is therein provided with a catalytic honeycomb filter for ozone gas treatment and an ion emitting unit for emitting negative ions into an atmosphere. Most of an ozone gas component is decomposed and/or absorbed by the catalytic honeycomb filter for ozone gas treatment. Furthermore, the residual ozone gas component is decomposed by the negative ions generated by the ion emitting unit. This arrangement makes it possible to provide a new ozone removal device which is different from an ozone decomposing filter or a heat source.

The invention provides an electrostatic air cleaner, comprising a series of corona generators and a collector which are mutually separate and parallel. A power supply provides potentials for the corona generators and the collector, thus a high-intensity electric field is formed in the space between the corona generators and the collector. The ength side and height side of each collector which are mutually vertical are used for regulating the flow direction of required fluid, and the width side is used for regulating the flow direction of required air. The collector adopts porous conductive material, the porous structure thereof is beneficial to absorbing massive dust, and cost is low.

The invention discloses a technology and device for treating coking wastewater through an ozone catalytic oxidation combined biofilter. The technology and device are reasonable in design, low in operation cost, solve the problem related to advanced treatment and recycling of coking wastewater, and have a high engineering application value; the technology and device eliminate the unsafe factors for operators and potential risks threatening the health in a heavily polluted environment with coking wastewater, and are simple to operate and low in operation cost; the effluent water quality meets different water use requirements.

The embodiment of the invention relates to the technical field of air conditioner disinfection and provides an air conditioner disinfection control method and device. The air conditioner disinfectioncontrol method comprises the steps that a disinfection request is obtained, and by responding to the disinfection request, a closed space is controlled to be formed in an air conditioner; an ozone generating device is controlled to operate for the first predetermined time period and then stopped, so that the ozone concentration value of air in the closed space is increased not to be smaller than adisinfection concentration threshold value; an ozone reducing device is controlled to operate for the second predetermined time period and then stopped, so that the ozone concentration value of the air in the closed space is decreased not to be smaller larger than a healthy concentration threshold value; and when the ozone concentration value of the air in the closed space is not larger than thehealthy concentration threshold value, the closed space is controlled to be opened. Accordingly, on the one hand, the interior of the air condition is disinfected thoroughly through high-concentrationozone, and on the other hand, it is further guaranteed that health of human bodies is not endangered in the whole disinfection and sterilization processes of the air conditioner.

The invention discloses a decoration space peculiar smell purifying method and device and belongs to the technical field of air purification. The decoration space peculiar smell purifying method comprises the purifying process that peculiar smell in a decoration space enters a low-temperature plasma reactor to be treated and then enters a catalytic reactor, ultraviolet rays and a by-product ozone produced by the plasma reactor can strengthen the photocatalytic pollutant and intermediate product degradation process, residual ozone and nitric oxide and other by-products are removed through an efficient ozone decomposition catalyst, and meanwhile the peculiar smell in the decoration space is after-purified through an activated carbon layer and then is discharged into a room together with negative ions. The peculiar smell in a newly decorated room can be effectively treated, the ultraviolet rays and ozone produced by a low-temperature plasma can be also fully utilized to strengthen the photocatalytic pollutant and intermediate product degradation, the two processes complement each other's advantages, the energy utilization rate can be improved, and meanwhile the negative ions are released to actively purify an indoor air environment.

A process for decreasing the concentration of ozone in waste gas includes such steps as providing a water-washing device consisting of a gas inlet, a gas outlet and several slots containing filler in them, a liquid filling element for making the reducer solution flow through said filler and a storage tank connected with said liquid filling element, filling said waste gas in to the device for making it in contact with the reducer solution, and exhausting the gas from said gas outlet.

The invention discloses a high-energy pulse ultraviolet space sterilization device, and belongs to the technical field of indoor disinfection and sterilization equipment. The sterilization device comprises a case and a high-energy pulse ultraviolet lamp component arranged above the case, wherein a hole is formed in the top of the case; an elevator and a driving energy system are arranged inside the case; a control module is arranged outside the case; the bottom of the high-energy pulse ultraviolet lamp component penetrates through the hole formed in the top of the case to be connected with the elevator; the high-energy pulse ultraviolet lamp component comprises a plurality of modulator tubes and a plurality of pieces of vitaglass which are alternately arranged; the modulator tubes are inverted u-shaped tubes; the two ends of each of the modulator tubes are sealed by transition material tubes; a cerium-doped quartz glass tube is externally arranged on each of the transition material tubes; a cerium-tungsten electrode penetrates through the bottom of each corresponding cerium-doped quartz glass tube into the each corresponding modulator tube; xenon gas is aerated in the modulator tubes. According to the sterilization device, pulse ultraviolet a hundred times higher than the conventional ultraviolet lamp can be emitted to kill the microorganisms in the air and a direct surface, and ozone can be generated for performing disinfection and air purification on backlight and gap parts.

A sterilization method is disclosed, which includes the steps of

• • providing a sterilization chamber;
  • placing the article into the sterilization chamber;
  • applying a vacuum of a preselected vacuum pressure to the sterilization chamber;
  • humidifying a sterilization atmosphere in the sterilization chamber;
  • maintaining the sterilization atmosphere at a temperature above 40° C. and at most 60° C.;
  • supplying ozone-containing gas to the sterilization chamber;
  • maintaining the sterilization chamber sealed for a preselected treatment period; and
  • releasing the vacuum in the sterilization chamber.

The invention discloses a plasma activating fog preparing device, and belongs to the field of disinfection treatment. The plasma activating fog preparing device comprises a liquid atomizing module, agas output module, a high-voltage power source and a gas ionizing and atomizing module, wherein the liquid atomizing module is used for atomizing liquid and inputting the atomized liquid to the gas ionizing and atomizing module; the gas output module is used for providing working gas for the gas ionizing and atomizing module; the gas ionizing and atomizing module is used for ionizing the working gas to produce plasma active particles under the effect of the high-voltage power source; and plasma active particles are absorbed and adhered by atomized droplets to form plasma activating fog. According to the plasma activating fog preparing device disclosed by the invention, the gaseous phase plasma active particles are easier to absorb by the droplets, and are adhered to the surfaces of the droplets to form plasma activating fog; besides, the plasma activating fog can quickly absorb ozone, oxygen atoms and the like to generate liquid phase active particles including H2O2, OH and the like, so that high-density gaseous-liquid mixing phase active particles are generated, the activating efficiency is notably improved, and the ozone concentration is reduced.

An embodiment of the invention provides an advanced treatment device and method for dejectas collecting wastewater in a high-speed train. The device comprises an electrochemical-ozone composite catalysis unit, an ozone-activated carbon secondary catalysis unit, an ozone generation unit and an ozone detection unit, wherein the electrochemical-ozone composite catalysis unit comprises a barrel-like titanium-based coating anode, a catalyst filling type stainless steel aeration cathode and a pulsed direct-current power supply; the ozone generation unit adopts a low-energy-consumption plate type ozone generator and a micro-nano bubble generation device to reinforce ozone mass transfer. The dejectas collecting wastewater in the high-speed train is treated by the composite catalysis unit and the secondary catalysis unit sequentially, efficient, rapid and safe treatment of routine indexes and novel drug type pollutants in the dejectas collecting wastewater is realized, and treated effluent meets reuse requirements. The advanced treatment device and method have the characteristics of high yield of hydroxyl radicals, high oxidizing capacity, concise structure, modular design, easy popularization and the like and can be used for pretreatment or advanced treatment of refractory organic wastewater.

The invention aims at providing a heart valve prosthesis suture ring Terylene material with an antibacterial function, and a preparation method thereof. An ozone activation method is used for carrying out surface ozone activation to the heart valve prosthesis suture ring Terylene material so as to induce acrylic acid covalent graft polymerization, and then 1-(3-Dimethyl Amino Methyl Propyl)-3-Ethyl Carbodi-imide (EDC) is used for activating a chitosan molecule covalent bonded by carboxyl in a polyacrylic acid chain and according to the antibacterial property of the chitosan molecule, the heart valve prosthesis suture ring Terylene material with the antibacterial function is prepared. The adhesion rate of Staphylococcus epidermidis of the suture ring Terylene material can be reduced by 86 percent to the maximum extent while the adhesion rate of Staphylococcus aureus thereof can be reduced by 94.8 percent. The preparation method related to the suture ring Terylene material is simple, safe and effective. Furthermore, the heart valve prosthesis suture ring Terylene material has excellent blood compatibility.

The invention belongs to the technical field of environmental protection, and particularly discloses a full-automatic roll-to-roll air purification device and an electret method. The device comprisesa recycling reel, a storage reel, an electrode bracket, an corona electrode, an electric control box, an electric control plate, a filter net, a cellular board electrode, a stepping motor, a cross beam, a recycling box, a storage box and the like. According to the full-automatic roll-to-roll air purification device disclosed by the invention, an electrostatic electret device and a reel type electret filter net are mounted in an air filter unit; when the electrostatic effect of the filter net is reduced a little, the filter net is subjected to electrostatic electret treatment to recover the electrostatic effect of the filter net, and germs and viruses are killed; the number of filter nets stored on the reel is large enough for use for more than one year; and when the dust accumulation of anunfolded filter net reaches a set value, the old filter net is automatically recycled, and a new filter net is unfolded at the same time, namely the filter nets are automatically replaced, and are subjected to the electret treatment. The full-automatic roll-to-roll air purification device disclosed by the invention solves the problem that the electrostatic electret effect of the electret filter net of the conventional air purification device works for a short time, and realizes automatic replacement of the filter nets, thus avoiding manual operation of filter net replacement.

The invention relates to an intelligent air purifier which comprises a control module, and an air purification module, an ozone concentration detection module and an ozone reduction module connected to the control module, wherein the ozone concentration detection module is arranged at a purification air outlet of the air purification module and is located between the air purification module and the ozone reduction module; the air purification module is used for purifying air; the ozone concentration detection module is used for detecting ozone concentration of ozone generated by operation of the air purification module; the ozone reduction module is used for reducing ozone generated by operation of the air purification module according to a starting command of the control module when the detected ozone concentration is greater than an ozone concentration threshold value; and the control module is used for controlling opening and closing of the air purification module, the ozone concentration detection module and the ozone reduction module and is further used for sending the starting command to the ozone reduction module when the detected ozone concentration is greater than an ozoneconcentration threshold value. By using the intelligent air purifier, the ozone concentration in air can be reduced.

An ozone supplier 11 of the present invention includes a mixer 1 which dissolves an oxygen-ozone mixed gas in a fluorine-based solvent to produce a mixed solution, an undissolved gas removing device 2 which removes an undissolved gas from the mixed solution, and a deaerator 3 which extracts an ozone-containing gas, which is dissolved in the mixed solution subjected to removal of the undissolved gas, from the mixed solution.

Decrease in the ozone concentration that becomes a problem when high purity oxygen is used as a raw material gas is prevented. A high purity alumina substrate having a high screen degree is used as a dielectric. A catalytic substance to hinder the decrease of the ozone concentration is fixed on the surface of the alumina substrate as the dielectric by a baking fixing agent. The baking fixing agent is a glass that becomes a paste form that is capable of powder kneading the catalytic substance and attaching to the surface of the dielectric, fixes the catalytic substance on the surface of the dielectric by hardening by baking, and shows ozone resistance and sputtering resistance under the production of ozone in the discharge gap, and forms a functional film containing a large amount of the catalytic substance and is stable on the surface of the dielectric.

The invention discloses an automobile 4S store spraying waste gas treatment device and a technology thereof. The device mainly comprises a dry paint mist processing unit, a UV enhanced plasma processing unit, an adsorption degradation unit and a backflow unit. The spraying waste gas enters the dry paint mist processing unit, a dry paint mist filtering material is used for filtering out paint mist, and the dry paint mist filtering material is regularly replaced and treated in the unified mode; the UV enhanced plasma processing unit comprises a DBD plasma tube and an ultraviolet lamp tube, ultraviolet light plays a role of promoting generation of active substances such as ozone and assisting degradation; the adsorption unit is used for adsorbing the undecomposed organic matters by honeycomb activated carbon, the organic matter continues to react with the active particles under the action of ultraviolet light to generate micromolecule substances and the micromolecule substances are desorbed and discharged; strong oxidizing substances such as ozone are left in the backflow gas, so that the degradation rate of the pollutants can be improved, and the concentration of ozone in the tail gas can be reduced. According to the invention, the problems of low degradation rate of pollutants, secondary pollution, high cost and the like in the prior art are effectively solved.

The invention relates to a safe and healthy negative ion air purifier for smart home. The safe and healthy negative ion air purifier for smart home includes a base, a body and an exhaust device, wherein the exhaust device includes an exhaust pipe and a return pipe; a safety mechanism is arranged in the exhaust pipe; the safety mechanism includes a first motor, a first drive shaft, a drivepipe andtwo side bars; a return mechanism is arranged in the return pipe; and the return mechanism comprises a driving unit, a first connecting rod, a second connecting rod, a hinge block, a bottom plate, a first blocking plate and a second blocking plate. According to the safe and healthy negative ion air purifier for smart home, a copper mesh reacts with ozone in the exhaust pipe; the reaction speed ofthe ozone is accelerated by energizing the copper mesh; the return mechanism is used for secondary consumption to reduce the ozone concentration so that people can enjoy negative ions while the healthof breathing is ensured; and the first motor drives the copper mesh to move, so that the arrangement and dismantling of the copper mesh are quick and convenient, the copper mesh is convenient for people to replace in time, and the practicability of the purifier is improved.

The invention relates to the technical field of clean production, and discloses a microbial control system of a cleaning operation area. The system comprises a clean air conditioner, an ozone generator, ozone concentration detectors and a controller; the ozone generator feeds ozone into an air outlet pipeline of the clean air conditioner, the ozone concentration detector is arranged in the cleaning operation area, and the controller is in signal connection with the clean air conditioner, the ozone generator and the ozone concentration detector; the invention further discloses a using method ofthe system. The method comprises the following steps that 1), fresh air supplement of the clean air conditioner is closed, the ozone is sent into the cleaning operation area for disinfection throughthe air outlet pipeline, the ozone concentration is kept not less than 10 ppm, and the keeping time is not shorter than 0.5 hour; and 2), the fresh air supplement of the clean air conditioner is started, clean air is sent to the cleaning operation area, the temperature is maintained to be less than or equal to 30 DEG C, and the relative humidity is maintained to be less than or equal to 65%. According to the system, the ozone can be used for carrying out dynamic disinfection on the cleaning operation area, the method is good in disinfection effect, the disinfection condition can be monitored in real time, and the cleanliness requirement of the cleaning operation area can be met.

The invention discloses a two-stage ozonation-biological contact coupled advanced sewage treatment method and a device thereof. Sewage or RO concentrated water subjected to biochemical pretreatment issequentially subjected to ozonation, biological contact, ozonation and biological contact for combined treatment, biochemical effluent at the rear end flows back to ozonation inflow water at the front end, and the sewage is circularly treated in an ozonation-biological contact system through backflow; due to the fact that the biodegradability of the sewage is improved to a certain extent every time when the sewage flows through the ozonation stage, biodegradable ozonation products are degraded in time in the biochemical treatment stage, and the synergistic coupling effect of biodegradabilityimprovement of ozonation and low-cost mineralization of biochemistry is enhanced by controlling the biochemical effluent reflux ratio. According to the method, the treatment efficiency is improved under the condition of the determined total ozone addition amount, and the ozone consumption is reduced under the condition of a determined removal rate; and the method has important significance for reducing the investment cost, the operation cost and the engineering land occupation of advanced sewage treatment.

The invention relates to a method for destructing ozone tail gas in wastewater treatment, and belongs to the technical field of wastewater treatment. The method comprises the steps that the ozone tailgas is dried through a gas-liquid separation system and a temperature-control reaction device and then the dried ozone is introduced into an ozone tail gas destructor to be treated so as to obtain gas A; then the gas A is sucked into a spray tower of a deodorization system through a fan; and then the gas A is discharged at high altitude through a chimney with the height of 30m. According to the method, the gas-liquid separation system and the temperature-control reaction device are additionally arranged in front of the ozone tail gas destructor, the gas is effectively dehumidified and dried,and therefore the time when a catalyst in the destructor is affected with damp and loses efficacy is slowed down, the effective use time of the catalyst is prolonged, the use efficiency of the catalyst is improved, and the replacement frequency of the catalyst is lowered; and the outlet gas of the ozone tail gas destructor is mixed with odor VOC through the fan, the outlet gas and the odor VOC together enter the spray tower, residual ozone and odor are subjected to redox reaction, so that the odor treatment effect is improved, meanwhile, the concentration of the ozone in the gas is further degraded, finally, all the gases are discharged at high altitude through the chimney with the height of 30m, and therefore the concentration of the ozone can be enabled to be 0.01mg/L or less.