66results about How to "Improve environmental indicators" patented technology

The invention discloses a resource recycling method for a waste lithium ion power battery. The method comprises the following process steps: carrying out electro discharge treatment, dismantling treatment, incineration treatment, polymetallic material crushing treatment, polymetallic material acid leaching treatment, extracting treatment, sedimentation treatment, flue gas secondary combustion treatment, flue gas rapid cooling treatment, flue gas alkali spraying treatment, flue gas urea spraying treatment, flue gas adsorption treatment and the like on the waste lithium ion power battery. The resource recycling method for the waste lithium ion power battery can fully recycle valuable metals from the waste lithium ion power battery, improve the recovery and utilization rate of metal to the maximum extent, and realize the recycling of metal resources; the flue gas can be directly discharged after being subjected to the process treatments such as the secondary combustion treatment, rapid cooling treatment, alkali spraying treatment, urea spraying treatment and adsorption treatment, the environmental protection index during the process of recycling and utilization of the waste lithium ion power battery is improved, no secondary pollution is generated, cleaner production is realized, and the economic benefits and environmental benefits are significant.

The invention discloses a resourceful treatment method for a waste circuit board. The resourceful treatment method comprises the process steps: carrying out crushing pretreatment of the waste circuit board, carbonization treatment of the waste circuit board, selective separation of carrying out flows including carbon-containing polymetallic materials, secondary combustion of flue gas, denitrification of the flue gas, rapid solidification treatment of the flue gas, deacidification treatment of the flue gas, adsorption treatment of the flue gas and collection and treatment of the flue gas; and finally respectively recovering a metal mixture and carbon powder, which are supplied for subsequent recycling. The resourceful treatment method has the following advantages that harms of dioxins and halogen substances can be fundamentally put an end, so that the environmental protection index is increased, and sanitary production of resource recycling the waste circuit board is realized; compared with other circuit board methods, the resourceful treatment method can fully utilize the heat energy of organic components in the waste circuit board, and the energy utilization ratio of the waste circuit board is increased; and metal and nonmetal in the waste circuit board are effectively separated from each other, regeneration recycling of resources is realized without secondary pollution, and the environmental, social and economic benefits are remarkable.

The invention relates to the technical field of wallpaper auxiliary materials, and especially relates to an edible environmentally-friendly glutinous rice glue composition used for pasting wallpapers, and a production method thereof. The glutinous rice glue composition used for pasting wallpapers, which can be produced in a high temperature packing manner, is produced from, by mass, 5-8% of modified starch A, 3-8% of modified starch B, 4-10% of glutinous rice starch, 5-15% of waxy maize starch, 0.5-1% of a cross-linking agent, 0.6-3% of an antiseptic anti-mildew agent, 0.1-0.5% of monostearin, 1-3% of glucolactone, 0.2-1.5% of sorbitol, 2-6% of a thickener, 0.1-1.2% of citric acid, 0.01-0.15% of a stabilizer, and the balance of water. The glutinous rice glue composition obtained through compounding safe edible raw materials according to the above improved formula has the advantages of good stability, good safety and environmental protection, and has better viscosity than similar products.

The invention belongs to the field of energy and chemical industry and relates to a gasification system for recycling high-temperature sensible heat. The system includes the following process steps: 1. a pretreatment process; 2. a gasification process; 3. a sensible heat recovery and utilization process; 4. a waste heat convection recovery and ash separation process; 5. a dry ash removal process;6. a cooling washing process; 7. a slag treatment process; and 8. a black water treatment process. High-grade heat energy generated by gasification can be recovered while synthesis gas producing, by-product steam is used for power generation, the heat energy recovery rate of the gasification system is improved, the production cost of coal chemical products is effectively reduced, pollutant emission is reduced, and environmental indicators are superior.

The invention discloses an environment-friendly thermal power unit system, which includes a thermal power unit, a sensor group for collecting key data of the thermal power unit, a processor group for collecting and analyzing data, and an industrial system for combing and summarizing uploaded data. A computer and a monitoring server for optimally controlling the running state of the thermal power unit equipment; the output end of the sensor group is connected to the input end of the processor group, and the processor group communicates with the monitoring server through the industrial computer. The application of the invention can greatly reduce the discharge of sulfide in thermal power plants, and optimize the environmental protection indicators of thermal power plants.

The invention discloses a large grain elevator, and relates to the field of material transferring and transporting. The large grain elevator comprises a grain sucking device, a Roots blower, a silencer, a cyclone dust collector, an air seal device, an electric control cabinet, a motor, a buffering bin, an oil cylinder, an outlet pipeline, an outlet cyclone and walking wheels. The cyclone dust collector is arranged at the upper end of the grain sucking device and connected with the silencer through a pipeline. The Roots blower is arranged below the silencer. The air seal device is connected with the bottom of the grain sucking device. The electric control cabinet is arranged outside the air seal device. The Roots blower is connected with the motor through a crawler belt. The grain sucking device is communicated with the buffering bin through a bottom channel. The air seal device is connected between the buffering bin and the channel. The upper portion of the buffering bin is communicated with the outlet pipeline, and the other end of the outlet pipeline is connected with the outlet cyclone. The lower portion of the outlet pipeline is connected with the oil cylinder. The walking wheels are arranged at the bottom of the whole grain elevator. The large grain elevator has the beneficial effects of being high in working efficiency, large in yield, high in environment protection index and convenient, safe and reliable to operate.

The invention provides a device for producing sulfuric acid. The device for producing sulfuric acid comprises a combustion furnace, a reactor, a condenser and an activated carbon reaction bed which are sequentially connected through a pipeline, wherein the combustion furnace is used for burning a raw material, a heat exchanger is further arranged at the position, near a gas outlet, of the interiorof the combustion furnace, and the heat exchanger is used for cooling high-temperature gas obtained through combustion in the combustion furnace; the reactor is used for performing a catalytic oxidization reaction on the gas obtained after cooling is performed through the heat exchanger, the condenser is used for converting gas obtained after catalysis is performed by the reactor into sulfuric acid and performing condensation and concentration, and the activated carbon reactor is used for oxidizing residual SO2 gas; and exhaust gas is discharged through a chimney. Furthermore, the invention also provides a sulfuric acid preparation process which adopts the device for producing sulfuric acid. The device and process for producing sulfuric acid have high recovery efficiency of total sulfur,low energy consumption of long-cycle operation, a small device occupied area and a high index of environmental protection.

The invention discloses an environmental protection type garbage can. The environmental protection type garbage can is novel in structure, capable of reducing smell emitted by rotten garbage and preventing an internal garbage bag from being damaged, and convenient and fast to operate. The environmental protection type garbage can comprises a can body, the can body comprises an inner can body and an outer can body, a garbage bag embedding ring is formed on the upper portion of the inner can body, a garbage bag embedding groove is formed on the upper surface of the garbage bag embedding ring, the garbage bag embedding ring is provided with a garbage bag pressing ring, the garbage bag pressing ring presses the upper portion of the garbage bag into the garbage bag embedding groove, a garbage bag rounding barrel extended downwards along the inner wall of the inner can body is formed on the inner circle of the garbage bag pressing ring, the lower end of the garbage rounding barrel is opened,and the garbage bag rounding barrel is sleeved with the garbage bag. The garbage can is further internally provided with an activated carbon adsorption assembly where activated carbon particles can be filled. By means of the garbage can, using structural stability of the garbage bag can be improved, the service life of the garbage bag can be prolonged, peculiar smell emitted from interior can beadsorbed through adsorbing agent, and environmental protection requirements are met.

The invention relates to a method for manufacturing a composite multi-layer solid wood floor at one time and the floor is veneered by heat pressing dash boards, core boards, central boards and back boards at a time. The method of the invention uses low-value and middle-and-low diameter class crude wood and reasonably processes the high and low quality single boards, thus simplifying the processing procedures of the floor, increasing the processing efficiency, and raising the product quality and stability.

The invention discloses degradable plastic granules which are prepared from the following raw materials in parts by weight: 30-40 parts of a glass fiber, 30-50 parts of polylactic acid, 10-20 parts of hydroxybutyric acid, 10-20 parts of polyethylene terephthalate, 5-8 parts of graphene, 3-5 parts of a curing agent and 5-10 parts of an adhesive. The degradable plastic granules are good in stability and high in security and can be degraded within a short time, and the environment can be protected.

The invention discloses a method for preparing rock wool by gasifying and melting industrial activated sludge for power generation. A whole set of system method is formed by relying on drying, granulation, gasification, power generation and rock wool preparation. On the premise of no odor and no pollution, reduction, harmlessness and recycling of large-scale industrial activated sludge are realized, organic matters are pyrolyzed into combustible gases such as carbon monoxide, hydrogen and alkanes, the combustible gases enter a fuel gas power generator set, generated electric power is used forrock wool production and can be more conveniently and cleanly utilized, and resource recycling economy is achieved; sludge is subjected to heat gasification melting high-temperature treatment, the size is greatly reduced, gasified organic matter generates power in a gas form, power generation is used for melting residual inorganic matter to prepare rock wool, the density of the inorganic matter ishigher, the mass is heavier, the strength is greatly improved, and the method can be used for rock wool production.

The invention discloses a recycling processing technology for a waste circuit board and relates to the recycling processing technology for waste resources. The recycling processing technology comprises the following steps of: cutting wastes; manually separating; removing gold; removing tin; primarily crushing; magnetically separating; secondarily crushing; separating by vibrating; separating through airflow; crushing pellets; separating according to specific gravity; compounding plastic and wood; and lastly, respectively recycling the matters, such as gold, silver, aluminum, iron, tin, copper, lead, plastic and resins, thereby reusing the matters. The recycling processing technology has the advantages that: (1) the flow line production operation is realized, the degree of automation is high and the yield is high; (2) compared with the traditional processing method, the recycling processing technology effectively reduces the emission of toxic gas and water and improves the environmental protection index; and (3) various matters in the waste circuit board are more effectively separated, the noble metal is recycled, the recycling of resources is realized, the mineral resource exploitation and wood felling are indirectly reduced, and the energy consumption and pollution during the processes of mineral resource exploitation and metallurgy processing are reduced.

The invention discloses a flue gas desulfurization and denitrification activated carbon distribution system, which comprises an analysis tower, a desulfurization tower and a denitration tower. The raw flue gas is desulfurized and denitrified through the desulfurization tower and denitrification tower in turn. The discharge port of the analysis tower is connected with the feed port of the denitrification tower through the first activated carbon conveying device. The discharge port of the desulfurization tower is connected with the feed port of the desorption tower through the second activated carbon conveying device. The discharge port of the denitrification tower is connected with the feed port of the desulfurization tower through the third activated carbon conveying device. The first activated carbon conveying device is led from the first bypass activated carbon conveying device to be connected to the third activated carbon conveying device or to the feed port of the desulfurization tower. The invention realizes independent and precise control of the active carbon circulation volume of the desulfurization tower and the denitrification tower, reduces the loss of active carbon, and reduces the operating cost and dust emission concentration.