44results about How to "Harmless discharge" patented technology

The invention discloses a small efficient medicinal rubbish pyrolysis incinerator, which belongs to rubbish burning treatment equipment and solves the problems that a gas combustion chamber has simple structure, an auxiliary fuel is needed, the temperature cannot be accurately measured or controlled, and defects are produced in cloth bag dust removal and the like. The hearth of the incinerator consists of a pyrolysis and gasification chamber, a solid-phase burn-out chamber, a gas-phase combustion chamber and a flue gas treatment chamber; the solid-phase burn-out chamber is positioned below the pyrolysis and gasification chamber and communicated through a netlike fire grate; the gas-phase combustion chamber is arranged in parallel to the pyrolysis and gasification chamber, and the top of the gas-phase combustion chamber is communicated with a flue; the flue gas treatment chamber is arranged in parallel to the gas-phase combustion chamber and the pyrolysis and gasification chamber; and the gas-phase combustion chamber is communicated with the lower part of the flue gas treatment chamber, the gas-phase combustion chamber and the flue gas treatment chamber are provided with a fireproof baffle plate respectively, and the lower part of the gas-phase combustion chamber is provided with the netlike fire grate. The temperature in the incinerator is measured and controlled in real time through an electric heating and automatic temperature measurement and control system. A high-temperature granule dust removal and filter device avoids regeneration of dioxin, and the cost is reduced. The incinerator effectively and cleanly burns the medicinal rubbish on the aspects of incinerator shape design, ignition and combustion modes, temperature measurement and control, high-temperature flue gas treatment and the like.

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 in particular relates to a system and a method for treating foul gas. The treating system comprises that: an ultraviolet strip lamp (5) and a rectification photocatalytic plate (4) are arranged inside a treating tank (7); the ultraviolet strip lamp (5) vertically runs through the rectification photocatalytic plate (4); the inner wall of the treating tank (7) and the rectification photocatalytic plate (4) are evenly coated with nanometer level TiO2; the inside of the treating tank (7) is provided with active carbon fibre (2); a humidifier (6) is communicated with the treating tank (7) through a pipeline; and a draught fan (1) is communicated with a wind inlet of the treating tank (7) through a wind feeding pipe. The relative humidity of the treating tank (7) of the treating system is between 50 and 90 percent; the flow speed of the foul gas in the treating tank (7) is between 0.2 and 0.8 m / s; the ultraviolet irradiation strength of the ultraviolet strip lamp (5) is between 50 and 100 W / m; the specific surface area of the active carbon fibre (2) is between 900 and 1,600 m / g; and the active carbon fibre (2) is embedded or is not embedded into nanometer level TiO2 powder. The system and the method have the characteristics of simple process, reliable operation, high efficiency and no secondary pollution.

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 an isooctyl acrylate waterproof insulating adhesive tape and a preparation method thereof. The preparation method comprises the following steps of raw material preparation, mixing and stirring processing, distillation processing, dealcoholization processing, waste liquid treatment, coating preparation and storage treatment. The method specifically comprises: firstly, mixing and stirring acrylic acid, isooctanol, a catalyst and a polymerization inhibitor according to a preset proportion to obtain a reaction stock solution, distilling the reaction stock solution to obtain crude 2-ethylhexyl acrylate, dealcoholizing the crude 2-ethylhexyl acrylate to obtain a finished product 2-ethylhexyl acrylate, preparing glue from the finished product 2-ethylhexyl acrylate, coating the glue on bottom paper, coating the glue to prepare an adhesive tape finished product, neutralizing waste liquid generated in the preparation process by using an alkaline aqueous solution. The adhesive tape can be harmlessly discharged, soil pollution is avoided, the adhesive tape has good waterproof and insulating effects by adding the 2-ethylhexyl acrylate raw material into the adhesive tape, meanwhile, the preparation efficiency is higher, and production is convenient.

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 ventilation device for a blood disease patient ward. The ventilation device comprises a ward, a sickbed arranged in the ward, an air supply mechanism and an air exhaust mechanism, wherein the air supply mechanism comprises a first air supply outlet and a third air supply outlet which are formed in the top end of the ward, and a second air supply outlet and a fourth air supply outlet which are formed in the side wall of the ward, air supply assemblies are arranged on the first air supply outlet, the second air supply outlet, the third air supply outlet and the fourthair supply outlet, the air exhaust mechanism comprises a first air exhaust opening and a second air exhaust opening which are formed in the bottom of the ward, and air exhaust assemblies are arrangedon the first air exhaust opening and the second air exhaust opening. According to the ventilation device, the combined air supply mechanism and the air exhaust mechanism are adopted, indoor air flow is improved, a pollution source is located at the position close to the air exhaust openings, meanwhile, induced air flow is formed between the air supply openings and the air exhaust openings, indoorpolluted air can be removed easily, medical staff can be better protected, and the induced air flow formed by air supply can be used for conveying polluted air to the air exhaust openings to remove polluted air.

The invention in particular relates to a system and a method for treating foul gas. The treating system comprises that: an ultraviolet strip lamp (5) and a rectification photocatalytic plate (4) are arranged inside a treating tank (7); the ultraviolet strip lamp (5) vertically runs through the rectification photocatalytic plate (4); the inner wall of the treating tank (7) and the rectification photocatalytic plate (4) are evenly coated with nanometer level TiO2; the inside of the treating tank (7) is provided with active carbon fibre (2); a humidifier (6) is communicated with the treating tank (7) through a pipeline; and a draught fan (1) is communicated with a wind inlet of the treating tank (7) through a wind feeding pipe. The relative humidity of the treating tank (7) of the treating system is between 50 and 90 percent; the flow speed of the foul gas in the treating tank (7) is between 0.2 and 0.8 m / s; the ultraviolet irradiation strength of the ultraviolet strip lamp (5) is between 50 and 100 W / m<2>; the specific surface area of the active carbon fibre (2) is between 900 and 1,600 m<2> / g; and the active carbon fibre (2) is embedded or is not embedded into nanometer level TiO2 powder. The system and the method have the characteristics of simple process, reliable operation, high efficiency and no secondary pollution.

The invention discloses a 3D printer capable of preventing powder from blocking a spray head. The 3D printer comprises an air pump, a first butt connector, a second butt connector and a recycling box. The end, away from a spray outlet, of the spray head of the printer is provided with a thrust guide pipe, the thrust guide pipe is provided with a cut-off valve, one end of the first butt connector is connected with the output end of the air pump, the other end of the first butt connector is matched with the spray outlet of the spray head of the printer, one end of the second butt connector is connected with an input port of the recycling box, and the other end of the second butt connector is matched with the thrust guide pipe. The spray head of the printer is washed through airflow, the washing effect can be ensured, powder residue is avoided, and the spray head of the printer is prevented from being damaged.

The invention relates to the technical field of saline-alkaline soil improvement, in particular to an efficient water quality improver applicable to saline-alkaline soil mariculture; the improver is composed of, according to parts by weight, 50-150 parts of desulfurization gypsum, 20-60 parts of biodegradation enzyme composition, and 80-120 parts of natural and synthetic copolymer mixed improver. The improver of the invention enables clean culture and harmless mission for the industry of mariculture and is practically significant to the protecting and supervising marine environments and human food safety.

The invention discloses a porous resin grinding disc and a preparation method thereof. The grinding disc is prepared from following components including 30-95 parts of resin, 0.1-15 parts of a pore forming agent, 0.1-20 parts of a curing agent and 0.1-50 parts of filler. The Shore hardness of the grinding disc is 60-90 D. The grinding disc has a porous structure, and the occupied area of pores is5%-60% of the whole grinding surface. The preparation method of the porous resin grinding disc includes the following steps that the resin, the pore forming agent, the curing agent and the filler areevenly mixed according to a certain ratio, a mixture is poured into a metal mold, curing forming is carried out, after mold stripping, turning is carried out, and the finished porous resin grinding disc is obtained. Scratches of the porous resin grinding disc can be reduced while the high grinding rate is kept, and the surface quality of ground workpieces is improved.

The invention provides a kitchen oil smoke purifier. The kitchen oil smoke purifier comprises an exhaust fan and a smoke collection hood and further comprises an electronic lung unit, a photon unit and an ozone reduction unit, wherein the electronic lung unit and the photon unit are connected through a flexible channel, and the photon unit and the ozone reduction unit are connected through a sealing gasket and a corresponding matched device; oil smoke firstly enters the electronic lung unit for filtering and decomposition and then enters the photon unit, exhaust gas treated by the photon unitenters the ozone reduction unit for an oxidation-reduction reaction, and reacted clean gas is exhausted by the fan and is discharged into air. According to the oil smoke purifier provided by the invention, clean and environment-friendly efficient purification is achieved, meanwhile, harmless gas emission is achieved, and secondary pollution is completely avoided.

The invention relates to the technical field of offshore oil field exploitation, and is suitable for sand removal of seafloor oil well output, in particular to an underwater crude oil sand removing device. The device comprises a chemical cleaning liquid injection module, a primary separation module, a secondary separation module, a three-stage separation module, a seawater injection module and a base, the primary separation module, the secondary separation module, the third-stage separation module and the seawater injection module are connected in turn through a conveying pipeline and fixed onthe base near a seafloor oil outlet pipe junction, one end of the chemical cleaning fluid injection module is connected to an offshore oil production platform, the other end is connected with the primary separation module, the seawater injection module and the secondary separation module and the three-stage separation module are connected, and treated solid phase sand is discharged into an open sea by a three-stage jet pump. The device can carry out the crude oil sand removing operation in the seafloor oil outlet pipe junction, and does not need to transport the solid phase sand to the offshore platform through a booster pump; the content of the solid phase sand in the booster pump and an oil conveying pipeline is reduced, the service life is prolonged, and the crude oil production is improved.

The invention provides an aquatic product formaldehyde rapid detection device based on a visual olfaction fingerprint technology. The device comprises an upper computer, an image acquisition chamber, a camera bracket, a camera, a planar diffuse reflection light source, a reaction chamber, a color-sensitive sensor, a gas collection chamber, a pump, a nitrogen cylinder, an organic absorption tank, an inorganic absorption tank, a gas inlet pipeline and a gas outlet pipeline, wherein the planar diffuse reflection light source is mounted at the bottom of the inner side of the image acquisition chamber, the reaction chamber is mounted on the upper surface of the planar diffuse reflection light source, and the color-sensitive sensor is mounted on the upper surface of the reaction chamber; the camera is mounted right above the reaction chamber through a camera bracket and is connected with an external upper computer through a data line; the gas collecting chamber and the nitrogen cylinder are simultaneously connected with a pump through pipelines, the pump is connected with one end of a reaction chamber through a gas inlet pipeline, and the other end of the reaction chamber is sequentially connected with an organic absorption tank and an inorganic absorption tank through gas outlet pipelines. The device and method is simple to operate, high in detection speed, low in cost and environment-friendly, and can be used for quickly detecting the content of formaldehyde in various links of aquatic products.

The invention relates to an apparatus for producing light calcined magnesia by using magnesite flotation concentrate powder and a method thereof. The apparatus comprises a feeding machine, a flash evaporation drying machine, a raw material dry material trap, a multistage preheating system, a pocket-type filter, a dynamic calciner, a combustion gas combustion furnace, a finished product trap, an induced draught fan and a pipe-line system. The method comprises the following steps: 1) the magnesite flotation concentrate powder is sent to the flash evaporation drying machine by the feeding machine for drying treatment; 2) the dried material is trapped by the raw material dry material trap, then is sent to the multistage preheating system; and 3) the preheated material is collected through the multistage preheating system, is sent to the dynamic calciner for calcining and decomposition to generate light calcined magnesia. The material drying, preheating and calcining processes are dilute-phase current-carrying heat transfer. The apparatus and the method are mainly used for producing the light calcined magnesia by the low-grade magnesite flotation dehydrated concentrate powder, and have the advantages of strong specificity, simple process flow, low energy consumption, easy operation, and harmlessness discharge.

The invention discloses a porous resin grinding disc and a preparation method thereof. The grinding disc is prepared from the following components: resin: 30-95 parts; pore-forming agent: 0.1-15 parts; curing agent: 0.1-20 parts; filler: 0.1-50 parts. The grinding disc has a Shore hardness of 60-90 D, has a porous structure, and the area occupied by the pores is 5%-60% of the entire grinding surface. The preparation method of the porous resin grinding disc includes the following steps: mixing the resin, pore-forming agent, curing agent and filler uniformly according to a certain proportion, pouring the mixture into a metal mold, curing and molding, and turning out the mold to obtain a porous resin disk finished product. The porous resin grinding disc of the present invention can reduce scratches and improve the surface quality of the workpiece to be ground while maintaining a high grinding rate.

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 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.