38results about How to "Improve environmental standards" patented technology

The invention discloses a recycling process of positive electrode materials of waste batteries. The recycling process includes the steps of completely discharging the waste lithium batteries, subjecting the waste lithium batteries to primary crushing under inert gas protection, removing diaphragm paper through air classification after crushing, performing low-temperature pyrolysis, respectively removing iron materials and aluminum materials through sorting, performing re-pulverization to obtain electrode powder, determining a flotation reagent system according to the phase composition of the electrode powder, performing flotation in a flotation tank, and filtering and drying products at the bottom of the flotation tank to obtain the positive electrode materials; according to the Li/M ratioof the positive electrode materials, calculating the lithium source powder to be added, and mixing water-soluble dispersants and the lithium source powder with water to form a mixed solution; addingthe positive electrode materials to be repaired into the mixed solution, performing cooking activation at a high temperature and under high pressure, continuing to dry the product under normal pressure to obtain uniform mixture powder, and calcining the mixture powder under an aerobic condition to obtain the regenerated and repaired lithium ion battery positive electrode materials. The recycling process has the advantages of low repair cost, high activity after repair, and higher promotion and application value.

The invention provides water-based dry method foaming raincoat leather and a preparation method thereof. A water-based thickening agent, a defoaming agent, a flatting agent and other preparations are added into waterborne polyurethane resin, slurry on the surface layer, the middle layer, and the foaming layer and the bottom layer of waterborne polyurethane resin slurry is prepared through mixing and vacuum defoaming; through a dry method film moving processing method, release paper is firstly coated with the surface layer, the surface layer is coated with the middle layer after being dried and cooled, the middle layer is coated with the foaming layer after being dried and cooled, and the foaming layer is coated with the bottom layer after being dried and cooled; after low-temperature drying, base cloth is attached at high temperature, drying, curing and cooling are carried out, the release paper is stripped, split rolling and surface aftertreatment are carried out, and the water-based dry method foaming raincoat is obtained. The obtained water-based dry method foaming raincoat has good washing and water pressure resistance, and the water pressure resistance is still 10,000 MPa or above after washing; the water-based dry method foaming raincoat leather is soft in hand feeling, resistant to wrinkles, high in real leather sense, good in breathability and high in washing and water pressure resistance and completely meets the needs of the market for raincoat leather.

The invention relates to a salmon automatic processing line and automatic processing method and belongs to the field of fish processing lines; fish processing steps are subdivided, workers at each position only perform one fixing operation, platforms are connected through a conveyer belt, a manual conveying process is avoided, time differences for handling each step are created for the workers at each position, each station is enabled for continuous production so that production efficiency is greatly improved, the workers at each station repeat only the single work so that working speed is effectively increased, each of a gill-binding conveyer belt, a bloodletting apparatus, a dirt suction platform, a flushing platform, a ripping platform and a hemal gland scraping platform is provided with a dirt collection system so that dirt is collected centrally at its place of origin and is finally gathered to a fully-closed sewage treatment system for central treatment, and therefore, operations at each station are green and environmental standards for production are greatly increased.

The rain water recovering and utilizing apparatus for factory area includes production waste water and rain water collecting pipeline connected through regulating water pond to the rain water draining pipeline, deposit tank connected to the rain water draining pipeline, rain water backing and lifting pump inside the deposit tank, rain water backing pipeline with one end connected to the rain water backing and lifting pump and the other end connected to the regulating water pond, the lifting pump in the regulating water pond and connected to the waste water treating unit, and back water pump in the water backing pond and connected to the back water pipeline. The present invention is especially suitable for where water resource is lacked and there is relatively high environment protection requirement.

The invention relates to a piston type straight shaft internal combustion engine which consists of a double-half-wheel union straight shaft double-rail tooth frame and a tooth framework, wherein a fan-shaped gear on a double-half-wheel union straight shaft can rotate in a rack rail of the double-rail tooth frame; a two-tooth special-shaped wheel on the double-half-wheel union straight shaft can rotate in a tooth groove rail of the double-rail tooth frame; the fan-shaped gear and the two-tooth special-shaped wheel are respectively and alternately in contact with a rack and a tooth groove in the double-rail tooth frame during rotation, so that stable contact operation at five interruption points with irregular shapes is finished during rotation, and nearly 90-degree moment meshing between the rack in the double-rail tooth frame and the fan-shaped gear on the double-half-wheel union straight shaft is realized; therefore, almost 90 percent of huge explosive force of fuel oil of the internal combustion engine is output by doing useful work, and the output efficiency of the internal combustion engine is greatly improved. On the basis of the existing internal combustion engine, the double-half-wheel straight shaft and a case of the tooth frame and the tooth framework are only changed, the improving cost is low, the whole structure is firm, the parts are simple, robust and firm in structure, and operation is reasonable.

The invention discloses a system and method for incinerating oil sludge by utilizing a pulverized coal fired boiler of a power station. The system comprises a boiler, an air preheater, an air feeder, a primary air fan, a flue gas purification device, a coal mill, a separator, a combustion system, a coal bunker, a coal conveying belt, a spiral stirrer and a mixer feed port, According to the method, under the condition that a middle oil sludge incineration device is not arranged, oil sludge is subjected to certain pretreatment and then directly mixed with raw coal, the mixture is smashed through an existing coal pulverizing system of the boiler and conveyed into a hearth of the boiler to be incinerated, and then purification is conducted through an existing flue gas purification device of the boiler, so that the utilization and harmless treatment of the oil sludge are realized.

The invention discloses a poly-generation combined-type fuel adopting the poly-generation combined-type combustion of the branches of fast-growing trees, coal and natural gas for power generation. The poly-generation combined-type fuel mainly comprises the branches of the fast-growing trees, the coal and/or the natural gas. The invention adopts the method that scattered residues such as the branches of the fast-growing trees are converted into biological oils or compressed wood particles to facilitate transportation and storage; a 'hot air-cold air wind generation' five-generation diversified combined-type flexible raw material power plant is built to ensure national energy security according to the raw material supply condition; and zero-paint waste oil coating, zero-aldehyde plastic and the like are utilized to process 'trunks' into high-grade 'environment-friendly furniture of low-income housing', wherein the environment-friendly furniture can meet super-high environment-friendly standards and smell natural costus root. Therefore, the invention fundamentally solves the bottleneck problem that the straw resource is disperse and limited by seasons in the large-scale application of biomass raw materials.

The invention discloses a splicing type construction method of a wall body. The splicing type construction method comprises the following steps that column bodies on the two sides of the wall body are fixed to the tops of corresponding column bodies below the wall body; when the distance between the two column bodies is smaller than or equal to one meter, the two column bodies are fixedly connected through transverse ribs; when the distance between the two column bodies is larger than one meter, the tops of the adjacent lower-layer beam bodies and the two column bodies are spliced and fixed through connecting pieces and at least one prefabricated wallboard horizontal pre-tightening tie bar or vertical pre-tightening tie bar; a fixed beam body is placed on the top between the two column bodies in the extending direction of the wall body; when the distance between the two column bodies is smaller than or equal to one meter, the screw rods at the bottoms of the beam bodies are fixedly connected with the screw rods at the tops of the adjacent lower-layer beam bodies through vertical ribs; cast-in-place concrete C is conducted on the wall defined by the column bodies and the beam bodies and the area located outside the prefabricated wall panel; and after the cast-in-place concrete C is solidified, wall building and forming are completed. According to the splicing type construction method of the wall, the building construction efficiency can be improved, the wall is firm and stable, the integration effect is good, and the good anti-seismic effect is achieved.

The invention provides a buffer filling agent applied to the interior of a corrugated layer of a high-strength corrugated paper board, and relates to the technical field of manufacturing and processing of paper boards. The buffer filling agent is prepared from: 80-100 parts of ABS plastic particles, 1-1.5 parts of lapis stone powder, 1-2 parts of a halogen-free flame-retardant synergist, 1.5-3 parts of ethylene propylene rubber, 0.2-1 part of lubricant, 0.1-0.5 part of an antioxidant, 1-2 parts of an initiator, 0.2-0.4 part of graphite lubricant, 5-10 parts of polypropylene staple fiber, 0.5-1part of dimethyl silicone oil, 5-8 parts of perchloroethylene, 1.5-3 parts of sodium silicate, 1-2 parts of a stiffening agent, 0.5-1 part of talc, 0.5-1 part of surfactant and 3-5 parts of cryolitepowder. A reinforcing effect on corrugated paper can be achieved by the buffer filling agent, a buffering effect can be provided, space inside the corrugated paper can be dehumidified, and the utilization effect of the dehumidified corrugated paper is more obvious.

The invention relates to a blowing-free demolding machine for rubber gloves, which is structurally characterized in that synchronous chains are arranged on a machine body, a plurality of walking racks are bridged on the two groups of synchronous chains, a set of demolding manipulator is arranged on each walking rack, and the demolding manipulators reciprocate on the walking racks. The demolding manipulator is composed of a bottom plate, a glove wrist clamping and expanding mechanism, a manipulator pushing mechanism, a wrist opening flanging clamping mechanism, a sliding block push-pull mechanism and the like, wherein the glove wrist clamping and expanding mechanism, the manipulator pushing mechanism, the wrist opening flanging clamping mechanism and the sliding block push-pull mechanism are arranged on the bottom plate. Two guide rails are arranged on the machine body, and one guide rail is used for controlling the demolding manipulator to move back and forth on the walking rack; and the other one is used for controlling the glove demoulding action of the demoulding manipulator. According to the demolding machine, gloves on a production line are demolded in a pure mechanical mode, an air blowing process is omitted, energy consumption and production cost are reduced, high-decibel noise pollution is avoided, and the demolding machine is beneficial to the environment and the body health of production workers.

The invention provides a preparation method of combustible mud from urban sludge and firecoal. The preparation method comprises the following steps: (1) mixing the urban sludge with a sludge modifier,and performing shearing stirring so as to obtain modified aqueous sludge; and (2) mixing the modified aqueous sludge with coal particles, and performing ball milling so as to obtain the combustible mud. Closed pipeline transportation is adopted during preparation and transportation, no wastewater or waste gas isgenerated, zero emission is achieved during production, and no secondary pollution toair, soil and groundwater is caused, so that the environmental-protection standards during sludge treatment are improved completely, and resource utilization is achieved; and when the preparation method is compared with a traditional drying treatment mode, no pressure filtration, drying and stirring are needed, and the combustible mud has no generation of hard precipitates and good fluidity afterstorage is performed for 90 days, and is suitable for screw pumping.