250results about How to "Comply with environmental standards" patented technology

The invention discloses a stainless steel plate type heat exchanger and a processing molding method thereof. The plate type heat exchanger comprises a snakelike flow channel type and honeycomb flow channel type evaporation plate or a cold plate. The plate type heat exchanger adopts a stainless steel plate and consists of a stainless steel upper plate, a stainless steel lower plate, an inlet pipe and an outlet pipe, wherein the two stainless steel plates are overlapped and connected by a special welding method; the inlet pipe and the outlet pipe are inserted in the upper end and the lower end between the two stainless steel plates and are connected with the stainless steel plate type heat exchanger body by using an electric arc welding method; and then the plate type heat exchanger is finally molded through a mould and high-pressure bulging technology.

The invention relates to a novel process for producing lithium salt by the aid of sulfuric acid methods. The novel process includes calcining and then cooling spodumene concentrate to obtain spodumene calcined sand; grinding the spodumene calcined sand to obtain spodumene mineral powder; adding sulfuric acid into the spodumene mineral powder and calcining the spodumene mineral powder to obtain acid clinker; adding calcium carbonate into the acid clinker to obtain mixtures, adding water into the mixtures and filtering the mixtures when a pH (potential of hydrogen) value of the mixtures reaches 5.5-6.0 so as to obtain lithium sulfate leach liquor with the solid content higher than 10%; filtering the lithium sulfate leach liquor by the aid of micro-filtration membranes, removing solid impurities, softening filter liquor to obtain softened filter liquor with the Li+ content of 20-25 g/L, concentrating the softened filter liquor to obtain concentrated liquor with the Li+ content of 40-05 g/L, collecting wastewater obtained after the softened filter liquor is concentrated and recycling the wastewater; adding soda saturated solution into the concentrated liquor, precipitating lithium carbonate, filtering and separating lithium carbonate precipitates, washing the calcium carbonate precipitates by the aid of hot water and drying the calcium carbonate precipitates to obtain lithium carbonate finished products.

The invention relates to an environment-friendly snow melting agent and a preparation method of the snow melting agent, and belongs to the field of the snow melting agents. The snow melting agent is prepared from acetates and chlorine salts with low corrosivity as the main raw materials by mixing acetates including potassium acetate, magnesium acetate and calcium acetate with calcium chloride and magnesium chloride in a certain proportion, as well as a small quantity of corrosion inhibitor. The common fault that a common inorganic snow melting agent is high in corrosivity is effectively overcome, the cost is reduced, and therefore the snow melting agent is suitable for promotion and application.

The invention relates to a super black flock oil wax sense polishing treatment agent for synthetic leather, which comprises nitrocotton resin, alkyd resin, cyclohexanone, butyl acetate, isopropanol, silicon dioxide extinction powder, hydrophilic silicon oil, castor oil, erucamide and an organic silicon flatting agent. The invention also relates to a preparation method of the super black flock oil wax sense polishing treatment agent for synthetic leather. Compared with the traditional common black flock leather surface treatment agent, the super black flock oil wax sense polishing treatment agent for synthetic leather, disclosed by the invention, obviously ensures that the synthetic leather has better mist glossy effect after being polished and has special flock sense and strong leather dermis effect; and the synthetic leather applying the super black flock oil wax sense polishing treatment agent has flock oil wax hand feeling and good comprehensive effect.

The invention discloses a sulfide removal method in the petrol and diesel through ionic liquid extraction, which is characterized by the following: using ionic liquid as extractive solvent; proceeding extraction at atmosphere pressure, 5-6 deg.c; applying ionic liquid from alkylate hydrohalogenate, imidazolium or imidazolium alkylation, pyridine or pyridine alkylation, sulfonium or sulfonium alkylation as positive ionic source material; taking metal halide as ionic liquid of negative ionic source. The invention can improve desulfurizing effect without decreasing petrol octane value and diesel condensation point, which can meet the increasingly harsh environmetal standard.

The invention provides a sludge treatment method and the device, in particular to a drying and treating sludge method and the device with a new type drying cement rotary kiln adopted as the sludge incineration system. The invention comprises the following steps to treat the sludge: the sludge is dried with the residual heat produced in the work course of the sludge incineration system; the waste gas produced during the drying course is directed and processed in a waste gas process system until reaching the standard, and then the waste gas is discharged out; the obtained dry sludge is delivered in the sludge incineration system and directly burnt without adding any auxiliary combustion materials, and the obtained residue is used to produce cement. The invention has the advantages of saving the fuels for drying sludge, avoiding the pollution of waste gas and residue, saving the processing cost of waste gas and residue, thus achieving the aims of energy saving and environment protection.

The invention relates to the technical field of building materials, in particular to an ardealite pavement material and a preparation method thereof. The ardealite pavement material comprises 75-95 parts of ardealite, 4-12 parts of cement, 2-15 parts of water and 0.02-0.22 part of curing agent. By means of the ardealite pavement material, the problem that a large amount of ardealite is stacked at present can be solved, the environmental protection pressure of phosphate chemical enterprises is relieved, and the application field of ardealite is enlarged; the storage amount of an ardealite tailings pond is greatly reduced, environmental pollution caused by stacking of solid waste is reduced, and the service life of the ardealite tailings pond is prolonged; the cost produced by management of the tailings pond of the phosphate chemical enterprises is reduced, the material is applied to the road building projects in the transportation radiation range, and benefits are created for the enterprises.

The invention discloses a rotating table type sandblasting machine, which comprises a rotating table conveying system, a working bin, a spray gun, an abrasive material recovering and circulating system, a dust removing system and an electric control system, wherein a sandblasting workpiece rotates along with the rotating table conveying system; the working bin comprises a workpiece loading and unloading region, a first isolating chamber, a sandblasting chamber, a blowing-off chamber and a second isolating chamber; the spray gun is arranged in the sandblasting chamber; the abrasive material recovering and circulating system comprises a horizontal conveying device, a vertical elevating device and a separating device; the dust removing system is communicated with the first isolating chamber, the sandblasting chamber, the second isolating chamber and the separating device; and the electric control system is electrically connected with the rotating table conveying system, the spray gun, the abrasive material recovering and circulating system and the dust removing system respectively, and is used for controlling operation thereof. The rotating table type sandblasting machine has high automatic degree and high processing efficiency, and is capable of effectively reducing the production cost and environmentally-friendly.

The invention discloses an aluminum honeycomb type evaporation plate and a processing molding method thereof. The evaporation plate adopts a high strength aluminum alloy plate and consists of an upper plate, a lower plate, an inlet pipe and an outlet pipe, wherein the two high strength aluminum alloy plates are overlapped and welded together by a solid-phase stir friction connecting method; the inlet pipe and the outlet pipe are inserted in the upper end and the lower end between the two high strength aluminum alloy plates and are connected with the high strength aluminum alloy evaporation plate body by using an electric arc welding method; and then the evaporation plate is finally molded through a mould and high-pressure bulging technology.

The invention relates to a medicament for fast preventing the malignant float grasses and the water algae and the application thereof, belonging to the pesticide formulation technical field, which is characterized in that the medicament comprises from 40% to 90% of a plant vinegar fluid, from 5% to 35% of an organic acid, and from 1% to 20% of pesticide addition agent, the plant vinegar fluid is either a bamboo vinegar fluid, a wooden vinegar fluid, and (or) grass vinegar fluid, the organic acid is one of or a mixture of more than one of a formic acid, an acetic acid, a propionic acid, a 2-methyl propionic acid, an ethyl acetic acid, a 4-hydroxy ethyl acetic acid, a pentanoic acid, a benzoic acid, a 2,6-hydroxy benzoic acid, a 3-hydroxy-4-methoxy benzoic acid or a 3-methoxy-4-hydroxy benzoic acid. The medicament has the advantages of fast destroying the chlorophyll, stopping the plant to do the photosynthesis, commonly killing the water algae in a half hour and the float grass in three hours by spraying, having low production cost, strong killing capability, wide adaptable temperature range and pH value range. The active component of the invention has the advantages of being the natural-occurring substance, no corrosion, nonirritant, safe use, and reliability, easy biodegradation, and no secondary pollution.

The invention discloses an environmentally-friendly lead-free free-machining zinc white copper and a preparation method thereof. The zinc white copper comprises the following components in percentage by weight: 27.0-44.0% of zinc, 6.0-25.0% of nickel, 0.05-2.5% of silicon, 0.03-0.1% of cerium, 0.03-1.5% of phosphorus and the balance of copper and inevitable impurity, wherein lead content in the impurity is less than 0.01%. The preparation method comprises the steps of smelting, horizontal continuous casting, cold machining, heat treating and the like. The copper alloy of the invention also has high strength (sigma b=700-750 MPa) and favorable machining performance which is more than 70% of lead brass C36000. Hot extrusion shaping and horizontal continuous casting shaping can be adopted; the zinc white copper has favourable cold and hot pressure processing performance, is an environmentally-friendly novel material, can completely replace lead and zinc white copper to prepare various free-machining elements, can be processed into copper alloy products, such as lines, rods, plates, strips, sections, tubes, cast and the like, can be widely applied to the manufacturing industry, such as pen points, eyeglass accessories, instrument accessories and the like and is an ideal substitute for lead and zinc white copper.

The invention discloses a high-performance hydrophobic MMA (Methl Methacrylate) resin floor coating and a preparation method of the high-performance hydrophobic MMA resin floor coating and particularly relates to a high-performance hydrophobic floor coating which is compounded of acrylate resin containing particles synthesized by suspension polymerization and other resins. The high-performance hydrophobic MMA resin floor coating comprises a component A and a component B, wherein the component A is prepared in a way that an functional acrylate monomer, a plasticizer, a defoamer, a curing accelerator and sealing wax are added to an acrylic resin and methyl methacrylate containing homopolymer serving as a basic component and then dispersed; and the component B is an organic peroxide curing agent. The film of the floor coating has excellent mechanical property and good hydrophobic property and has high static-state water contact angle being above 115 degrees. In the construction process of the floor coating, no solvent volatilization problem is caused, the curing degree is high, no micromolecule is left after the floor coating is cured completely. So, the floor coating is a novel green product and has a broad development prospect.

The invention provides a modified ABS automobile special material comprising the following components in the formula in parts by weight: 100 parts of resin matrix ABS, 5-15 parts of active filler hollow microsphere, 4-8 parts of high rubber powder ABS, 0.5-0.8 part of age resister and 2-4 parts of master batch. In the above formula composition, the matrix resin ABS is granular substance; the active filler hollow microsphere is processed by silane coupling agent KH 550; the age resister mainly comprises master antioxidant, slave antioxidant and uvioresistant agent which are all powdery substance; the color of the master batch is determined according to product requirements, and the master batch is granular substance. The invention utilizes the principle that solubility parameters are similar; other polymers and various auxiliary agents, such as age resister, flexibilizer, fillers and the like are added into the ABS material and carry out molten mechanical mixing at certain temperature so as to obtain a new material applied on lorry parts.

The invention discloses a foldable engine turnover frame, which comprises a rectangular base (1), wherein both sides of the base are provided with polyurethane plates (10); two rows of base plates (13) are horizontally arranged at the bottom of the base; each row of base plates is provided with a plate type bracket (20); the bracket is provided with a roller (7) and a support plate (24); and the support plate is provided with a clamp. The foldable engine turnover frame is a device suitable for accommodation, storage, transportation and the like of a finished engine, a storage space is utilized effectively, and the surface and key positions of the finished engine can be prevented from being damaged. Due to the adoption of a foldable design in the invention, product quality is ensured effectively, a limited space is utilized more reasonably, the utilization ratio of the space is increased greatly, and transportation cost is reduced during recovery. A product is easy to use, and has high flexibility; and regardless of warehousing and turnover transportation, the space can be utilized effectively, transportation cost is reduced, and the turnover speed and quantity of product are increased.

The invention discloses a high-temperature resistant printing burn polishing primer for synthetic leather and a preparation method thereof. The primer is prepared from the following raw materials: 15 to 25 parts of polyurethane gloss oil, 15 to 25 parts of resin, 25 to 30 parts of DMF, 15 to 25 parts of butyl acetate, 7 to 10 parts of silica color-changing powder, 2 to 5 parts of modified siloxane, 2 to 4 parts of silicone oil, 3 to 7 parts of oil water repellent, and 3 to 5 parts of flatting agent. The invention also discloses a method for preparing the high temperature-resistant printing burn polishing primer for the synthetic leather. The high temperature-resistant printing burn polishing primer has the advantages of mutually coordinating and coacting components, good film-forming property, and firm adhesion. The synthetic leather polished by the primer has strong burn contrast and high temperature resistance.

The invention discloses a sterile opening method and device of a medical ampoule bottle. The device is composed of a sealing box body, a clamping and rotating mechanism, a sawing mechanism, a cleaning and disinfecting mechanism, a chip removing mechanism, a breakoff mechanism, a waste collecting mechanism and an electric control system. By means of reasonable depth and length sawing, liquid gas disinfecting and outward-pulling breakoff on the ampoule bottle, negative pressure lower than the pressure in the ampoule bottle is generated outside the ampoule bottle, and fewest glass chips are generated by the ampoule bottle in the breakoff process, and the glass chips directionally flow towards the outer portion of the ampoule bottle to be collected by the chip removing mechanism and cannot fall into the ampoule bottle. After breakoff of the ampoule bottle is finished, the ampoule bottle is inflated with sterile nitrogen, medicines are free of pollution, and a broken-off bottle head is automatically recycled. According to the sterile opening method and device, the process of clamping, sawing, chip removing, cleaning, disinfecting, breakoff and gas inflation is automatically completed, manual operation is not needed, and operation damage is avoided; liquid gas spraying disinfecting is carried out, and pollution of scrubbing absorbent cotton residues on medicines is avoided. Full-automatic control, safety, reliability and environment protection are achieved.

The invention discloses a matte wet and unsmooth feeling treating agent for synthetic leather and a preparation method of the treating agent. The matte wet and unsmooth feeling treating agent for the synthetic leather is formed by the following components: modified polyurethane resin, DMF (Dimethyl Formamide), n-butyl acetate, silicon dioxide extinction powder, wool grease, polyoxyethylene ether, castor oil and an organic silicon flatting agent. Compared with a conventional common matte leather surfactant, the matte wet and unsmooth feeling treating agent for the synthetic leather, disclosed by the invention, can obviously enable the matte extinction effect of the surface of a leather face to be good after treatment of the synthetic leather, so that the leather face has the unique wet and unsmooth wax feeling and the genuine leather effect of the leather face is strong; and the synthetic leather applying the matte wet and unsmooth feeling treating agent has the wet and unsmooth hand feeling and the comprehensive effect is good.

The invention discloses an automatic blanking device for a steel pipe, which comprises a girder, wherein the girder comprises a cross beam; a left frame and a right frame are fixed on the cross beam; steel pipe capturing mechanisms are respectively mounted on the left frame and the right frame; a synchronous lifting mechanism which is connected to the steel pipe capturing mechanisms is mounted onthe cross beam; and travelling mechanisms are respectively mounted on the left frame and the right frame. The automatic blanking device provided by the invention has the advantages that a whole blanking process of the steel pipe is high-speed, low-noise and high-efficiency, is automatically finished and is free from manual operation, thereby greatly reducing the labor intensity of workers.

The invention relates to an ultra-black plush polish processing agent used for synthetic leather, which comprises the following components: modified yellowing-resistant variant polyurethane resin, acetic ether, isopropanol, polyurethane color balls, silica extinction powder, modified siloxane, a leveling agent and a splashing agent. The invention also relates to a preparation method of the ultra-black plush polish processing agent. Compared with the traditional common black plush leather surface processing agent, the ultra-black plush polish processing agent used for synthetic leather, disclosed by the invention, ensures that the surface of the polished synthetic leather has burnt brightness and smooth plush hand feel obviously, the groove bottom is matt, the top layer is bright, and the bright-matt effect of the leather surface is special; and the synthetic leather processed by the ultra-black plush polished processing agent is characterized by water proofness, grease proofness and excellent comprehensive effect.

The invention provides an environment-friendly non-chlorine-salt snow melting and deicing agent and a preparation method thereof, and belongs to the field of snow melting and deicing. The environment-friendly non-chlorine-salt snow melting and deicing agent is characterized by comprising the following raw materials in percentage by weight: 60-90 percent of main solvent, 2-20 percent of wetting cosolvent and 2-20 percent of corrosion inhibitor, wherein the main solvent is prepared from 60-90 percent by weight of formate and 10-40 percent by weight of sodium metasilicate; the wetting cosolvent is prepared from 40 percent by weight of sodium borate or calcium nitrate and 60 percent by weight of urea or ammonium carbonate; the corrosion inhibitor is prepared from 60 percent by weight of sodium gluconate and 40 percent by weight of zinc sulfate. According to the environment-friendly non-chlorine-salt snow melting and deicing agent, the common problems of high corrosivity, serious impact on soil structures and the like of common inorganic chlorine salt snow melting agents can be effectively solved; after being used, the environment-friendly non-chlorine-salt snow melting and deicing agent can be naturally decomposed under the natural environment, and the cost of the non-chlorine-salt snow melting and deicing agent is lower than that of other organic salt (like acetates including potassium acetate, calcium magnesium acetate and the like) snow melting and deicing agents; therefore, the environment-friendly non-chlorine-salt snow melting and deicing agent is suitable for being used in places like domestic and overseas roads, airport pavements and streets, and has wide popularization and application prospects.

The invention provides a fireproof composite material which comprises polycarbonate, a sulfonate fire retardant, and glass fibers as inorganic filling materials. The component ratio of the polycarbonate is 100 parts by weight; the component ratio of the sulfonate fire retardant is 0.1-5.0 parts by weight; and the component ratio of the glass fiber is 5-50 parts by weight. Therefore, the fireproof composite material provided by the invention has a thickness of 1.5-1.0 cm, and has a fireproof grade of UL 94 V0 when tested by a vertical combustion test. The fireproof material provided by the invention can maintain a fireproof grade of UL 94 V0 with a light-weight requirement being met; the adopted sulfonate fire retardant is an environment-friendly material, and can avoid environment pollution; the glass fibers are used as inorganic filling materials, which can enhance the rigidity and the dimension stability of the fireproof composite material.

The invention relates to a soft crazy-horse resin for clothing leather, which comprises the following components: a low-modulus polyurethane resin, DMF (dimethyl formamide), acetone, color-changing wax powder, silica extinction powder, wood powder, modified mineral oil, 0.2 palm fibers, a nubuck finishing agent and an organic silicon leveling agent. The invention also relates to a preparation method of the soft crazy-horse resin for clothing leather. The synthetic leather adopting the soft crazy-horse resin for clothing leather has good film forming property, firm bonding, gentle gloss, remarkably soft handfeel and strong real leather feel, can show color change under the effect of external stress such as stretching, folding and the like, and can also correspondingly change the color of the leather surface with the temperature change of external environment, wherein the gradual change of the color is natural; and the soft crazy-horse resin is applied to clothing leather, and is a high-grade fabric integrating comfort and fashion.