44results about How to "Harmless discharge" patented technology

The invention relates to an immersed-type ultrafiltration membrane pool and an on-line maintaining and recovering chemical cleaning method thereof. According to the immersed-type ultrafiltration membrane pool, a pipeline system and a valve system are simplified as far as possible, so that pipeline arrangement of chemical cleaning circulation, a wastewater discharge system, a membrane pool water discharge system, a water back wash system, a gas back wash system, and the like is subjected to overall consideration, and sharing of part of pipelines and valves is realized. That is to say, a pump is used as a membrane pool filtration clean water suction pump and a membrane pool medicine cleaning water deliver pump; a pump is used as a membrane pool recovering chemical cleaning circulating pump and a membrane pool chemical cleaning effluent discharging pump; a valve is used as a membrane pool effluent discharging control valve and a membrane pool chemical cleaning circulating liquid feeding valve; a pipe is used as a membrane pool filtration clean water main pipe, a membrane pool back wash water main pipe, and a membrane pool chemical cleaning circulating discharging main pipe; and a pipe is used as a membrane pool chemical cleaning circulating main pipe and a membrane pool chemical washing effluent discharging main pipe.

The invention discloses an air purifying method and device. The method comprises the following steps of: feeding a gas into an ultraviolet-ozone treatment region; reacting with ozone under the actions of ultraviolet irradiation and a photocatalyst; composing organic components in an oxidized gas; feeding the gas into a liquid absorbing device; further transforming difficultly-treatable organic components into treated substances and a harmless gas; and making the gas pass through a solid absorbing and drying device and exhausting the gas which reaches a purification standard. The device comprises a gas adjusting valve, an ultraviolet-ozone reaction device, a liquid absorbing device and a solid absorbing and drying device. According to the invention, the aim of purifying an environment is fulfilled by undergoing a photooxidation reaction under the action of the photocatalyst, air purifying efficiency can be increased, purification cost is reduced, safety is enhanced, damage of direct irradiation of ultraviolet rays to human bodies is avoided, and the defects of the prior art are overcome.

The invention relates to a deodorization and purification treatment system of biological sludge pyrolysis synthesis gas. The system comprises a cyclone plate water spraying tower module, a spraying reaction acid removal tower module, a solar energy-rotary wheel dehumidification module, a sludge base activated carbon absorption module and a pulse bag type dust remover module in sequential connection, wherein the cyclone plate water spraying tower module comprises a pyrolysis tail gas inlet, a cyclone plate, a filling material layer, a circulation water pump, a water supplementing opening, a first sedimentation pool, a clean water spray head, a first screen defogging device and a sludge outlet; the spraying reaction acid removal tower module comprises a cyclone device, an atomization device, a two-stage filling material layer, a metering circulation pump, a second sedimentation pool, a liquid supplementing pipe and a second screen defogging device; the sludge base activated carbon absorption module consists of a solar heat collector, an electric heater, a sludge base activated carbon rotary wheel, a photocatalysis waste gas treatment device and the like. The deodorization and purification treatment system has the advantages that the structure is reasonable; fetor gas in the pyrolysis tail gas can be controlled in a national standard range; in addition, the pyrolysis synthesis gas is purified; the synthesis gas fuel gas quality is improved.

The invention discloses a waste comprehensive treatment process and equipment for a solid fuel generating station. In the process, thermal refined seawater containing metal ions like Na<+>, K<+>, Ca<2+> and Mg<2+> is electrolyzed and generates alkaline matters and acid gas, the alkaline matters are used to absorb carbon dioxide in emitted fuel gas of the generating station, and the carbon dioxide is treated in a harmless manner and then emitted to the sea to be stored, the acid gas is used to synthesize hydrochloric acid and conducts a dissolution replacement reaction with coal ash, biomass ash or cheap silicate salt mine emitted by the generating station, the separated dissolved solution containing the ions of Na<+>, K<+>, Ca<2+>, Mg<2+> and Cl <->is recycled and returned to the thermal refined seawater to continue to be electrolyzed, and the separated SiO2 is used as an industrial raw material, so that virtuous circle of comprehensive treatment of the waste of the generating station is formed. The equipment mainly comprises an electrolysis device, a carbon dioxide absorption tower, a hydrogen chloride synthesis tower, a silicate reactor, a cyclone separator and a vacuum belt conveyer, so that the waste of the generating station can be comprehensively utilized to the greatest extent.

The invention discloses a technique method used for removing automobile tail gas particles. According to the method, the electrostatic precipitation technology serves as the main technique means, the method can be used for removing tiny particles existing in automobile tail gas, and a very good removing effect can be achieved particularly for PM2.5 type particles. Due to the fact that compared with other particle capturing technologies, an adsorbent or a catalyst is not needed in the electrostatic precipitation technology, the adaptability to the smoke components is high, and no special requirement for the sulphur content of fuel does not exist; and meanwhile the problem of increasing of exhaust resistance due to blockage of the adsorbent caused by accumulation of the particles is avoided. System running is relatively stable. The technique method has the beneficial effects of being efficient in running, low in manufacturing cost, high in adaptability and the like, the problems of a current tail gas particle purifying system in the actual using process can be reduced or eliminated, the actual application threshold is lowered, and the technique method can serve as a main technique means for commercial application and popularization.

The invention discloses a treatment system for tail gas of a spray drying tower. The treatment system comprises a cyclone device, a bag type dust collector, a water spraying tower device, a heat exchanger, a cooling device, a water-gas separator and a heating device, wherein the tail gas of the spray drying tower is fed into the cyclone device, is inputted to the bag type dust collector by the cyclone device, enters the water spraying tower device through the bag type dust collector, is inputted to the heat exchanger after being treated by the water spraying tower device, enters the cooling device after passing through the heat exchanger, and is inputted to the gas-water separator after being cooled by the cooling device; a gas part is returned to the heat exchanger by an air blower for preheating after the tail gas is separated by the gas-water separator, is inputted to the heating device after being preheated by the heat exchanger, and is returned to the spray drying tower after being heated by the heating device. The treatment system provided by the invention recycles the tail gas of the dye spray drying tower, effectively utilizes energy, greatly reduces pollution of the tail gas to environment, and effectively utilizes the energy of the gas by exchanging heat.

The invention discloses a TFT-LCD glass thinning wastewater treatment system. The TFT-LCD glass thinning wastewater treatment system comprises the following parts of a, an acid and alkali wastewater treatment part, b, a mixed wastewater treatment part, c, an exhaust gas washing part, d, a lime slurry preparation part, e, an agentia preparation and storage part, f, an aeration part and g, a waste residue treatment part. Five kinds of wastewater (concentrated acid wastewater, concentrated alkali wastewater, fluoride-containing wastewater, phosphorus-containing wastewater and polishing wastewater) in a TFT-LCD glass thinning production process respectively enters respective corresponding treatment departments for classification; in addition, various treatment parts synergize with one anotherto form an organic unity, so that the wastewater in the production process can meet the function of full recovery and utilization. The treated wastewater can meet the water quality standards of plantproduction reuse and realizes closed-circulation, so that a large amount of water is saved and further the goal of responding to energy conservation and environmental protection of the nation is realised.

The invention discloses a safe household 3D printer. The safe household 3D printer comprises a protective shell, an air pump and an air purification device; the protective shell is of a transparent visual structure, a first sealing ring is arranged at the top of the protective shell, and a second sealing ring is arranged at the bottom of the protective shell; the protective shell is connected witha printer nozzle mounting mechanism through the first sealing ring and is connected to a printer tray through the second sealing ring and forms a closed chamber for wrapping a printer nozzle; an airinlet and an air outlet are formed in the protective shell; the air inlet is connected with the air pump; and the air outlet is connected with the air purification device. According to the safe household 3D printer, the problem of gas emission caused by different printing materials of the 3D printer is solved, the implementation method is simple, effective and convenient to popularize, and a foundation is laid for popularization of the 3D printer among families.

The invention provides a full-process atomization cleaning and disinfecting device for gynecological nursing, and belongs to the technical field of medical instruments. The full-process atomization cleaning and disinfecting device comprises a mounting shell assembly, a workpiece containing assembly, a distilled water cleaning assembly, an ozone sterilization assembly, a wastewater treatment assembly and an ultraviolet lamp drying module, and the workpiece containing assembly, the distilled water cleaning assembly, the ozone sterilization assembly, the wastewater treatment assembly and the ultraviolet lamp drying module are arranged in the mounting shell assembly; the workpiece containing assembly is arranged at the lower part of a lower shell, and a hanging disc and a lower containing disc are arranged in the workpiece containing assembly; the distilled water cleaning assembly and the ozone sterilization assembly are respectively arranged at the upper part of the mounting shell assembly, the distilled water cleaning assembly can be used for firstly flushing dirt of a to-be-cleaned instrument, then the to-be-cleaned instrument is sterilized by the ozone sterilization assembly after being flushed, and the to-be-cleaned instrument is is sterilized and dried by the ultraviolet lamp drying module after being sterilized through the ozone sterilization assembly; and the waste water treatment assembly is located at the bottom of the lower containing disc, waste water after flushing can be discharged after being filtered by the waste water treatment assembly, and pollution caused by medical waste is avoided. The full-process atomization cleaning and disinfecting device has the advantages of being high in automation degree, thorough in cleaning, environmentally friendly and harmless.

The invention discloses a negative pressure deodorization system. The negative pressure deodorization system comprises a cabinet, and an inner cavity of the cabinet is partitioned into an upper cavity and a lower cavity through a partition plate. The partition plate is provided with an air guide port for making the upper cavity and the lower cavity communicated. The side edge of the cabinet is provided with an air outlet communicated with the upper cavity and is further provided with an air inlet communicated with the lower cavity. In the lower cavity, a fan, a microorganism attachment box and a dehydration layer are arranged from the air inlet to the interior in sequence. In the upper cavity, a fan, an activated carbon filtration layer and a high-energy ion tube are arranged from the air outlet to the interior in sequence. The air guide port is located between the high-energy ion tube and the dehydration layer. A bottom box is arranged at the bottom of the cabinet. A circulation box is arranged on the partition plate. The upper end of the microorganism attachment box is communicated with the circulation box, and the bottom end of the microorganism attachment box is communicated with the bottom box. A water pump is arranged in the circulation box and connected with sprayers through pulse electronic valves. The sprayers are evenly arranged at the upper end of the microorganism attachment box. The water pump is communicated with the bottom box through a liquid suction tube. A microbial deodorizer is placed in the bottom box. The negative pressure deodorization system is good in deodorization and sterilization effect, capable of preventing secondary pollution and convenient to install and use.

The invention relates to the technical field of septic tanks, and specifically relates to an efficient anti-blocking type three-stage septic-tank. The three-stage septic tank adopts a three-stage fermentation precipitation method, so as to discharge harmless clear liquid. The efficient anti-blocking three-stage septic-tank has a compact structure and is convenient to control, and is driven by a single motor. First, first-level tank agitation is realized, so that decomposition efficiency is improved; second, a sewage rod is driven to reciprocate so as to dredge a first-level guide port to prevent the first-level guide port from blocking; and third, a No. 2 shaft is driven to rotate, so as to drive a swinging rod component to clean a filter net cover of a second-level guide port to prevent the filter net cover from blocking.

The invention relates to the field of fireproof coatings, and concretely relates to a fireproof coating raw material preparation device. The technical problem to be solved by the invention is to provide the fireproof coating raw material preparation device. The fireproof coating raw material preparation device comprises a raw material preparation recovery device, a synchronous collection device, asecond connecting pipe, a tail gas treatment device and a control screen; the right middle part of the raw material preparation recovery device is connected with the tail gas treatment device; and the right top of a first connecting pipe is connected with the synchronous collection device. Zirconium dioxide attached to the inner wall is recycled while zirconium dioxide is manufactured, so the final output amount is increased, the unit raw material output rate is increased, and waste is reduced; meanwhile, the three purposes of tail gas separation, zirconium chloride recovery and zirconium dioxide obtaining are achieved, the treatment steps are simplified, and the production cost is reduced; and toxic tail gas is treated, toxic components are eliminated, environmental friendliness is achieved, and the effect of protecting the environment is achieved.

A vehicle-mounted household refuse microwave pyrolysis disposal system comprises a discharge hopper, a crusher, a screw extrusion dehydrator, a stirring mixer, a hot air unit, a drying box, a microwave pyrolysis device, a gas secondary pyrolysis device, a condensation system and a gas filtration device. The discharge hopper is connected with a receiving hopper of the crusher through a conveying belt, a discharge port of the screw extrusion dehydrator is aligned with the conveying belt, a discharge port of the crusher is connected with stirring mixer, and a discharge port of the stirring mixeris connected with the drying box. A discharge port of the drying box is connected with the microwave pyrolysis device, the microwave pyrolysis device is connected with the gas secondary pyrolysis device, the gas secondary pyrolysis device is connected with the condensation system, and the condensation system is connected with the gas filtration device. Gas produced by microwave pyrolysis is subjected to secondary pyrolysis, so the system has no discharge of combustion, flying ash or harmful gas.

The invention relates to a separating and recycling method and system for heavy oil deposit rich in carbonate. Carbonate mineral substance containing heavy oil resources such as oil sand, oil shale and oily sludge are mixed with a prepared solution and a chemical additive for reacting under the certain condition, mineral substances in the heavy oil deposit are dissolved, and then the purpose of separating heavy oil from mineral particles is achieved; the separated heavy oil is subjected to subsequent processing treatment to further remove entrained water and solid particles, and a clean heavy oil product is obtained; waste liquid and mineral substance precipitates which are generated in the previous process are recycled separately, and then harmless discharge is finally achieved. Therefore, not only is the heavy oil extracted out from the oil deposit effectively, but also energy sources are greatly saved, and the energy-saving and emission-reducing production purposes of normal-temperature extracting or heavy oil recycling are achieved.

The invention provides a purifying method of kitchen oil fumes. The purifying method of the kitchen oil fumes comprises the following steps that an air inlet sucks the smoke, and particles of the oilfumes are collected; the particles of the oil fumes are further subjected to electro-adsorption by electric charge molecules in the first electric field, and molecules of the oil fumes are decomposed;exhaust gas molecules pass through the second electric field, water removal is efficiently conducted, and water mist in exhaust gas is removed; photon decomposition is conducted, and therefore molecules with the high bond energy can be decomposed, or high-molecule substances can be decomposed into low-molecule substances; an oxidation-reduction system conducts reduction on ozone generated in thefirst electric field and the second electric field and the photon decomposition process; exhaust emission detection is conducted, and the emission is normally conducted if the exhaust emission meets the standard; and if the exhaust emission does not meet the standard, an integrated purifying system is started. According to the purifying method of the kitchen oil fumes, by means of adsorption and filtering of the oil fumes, electronic adsorption and decomposition with the specific illumination, the kitchen oil fumes are completely decomposed and can be decomposed into clean gas, disinfection treatment can be conducted on equipment at the same time, clean, environmentally-friendly and efficient purification is achieved, the harmless gas emission is achieved, and secondary pollution is completely eradicated.