30results about How to "Improve the environmental index" patented technology

The invention discloses a capping device and method for an iron mixing vehicle. The capping device comprises a steel structure welded and fixed to a driven end rack. A hydraulic station and an electrical device are installed on the steel structure. A rotating vehicle frame device is installed on the steel structure through a rotating shaft so that the rotating vehicle frame device can rotate relative to the steel structure with the rotating shaft as the center after being stressed. A walking beam device is installed at the upper portion of the rotating vehicle frame device. By means of the capping device and method for the iron mixing vehicle, heat losses of molten iron in the transporting and waiting processes can be obviously reduced, pollutants such as smoke discharged into the atmosphere can also be effectively reduced, the environment-friendliness index of the iron mixing vehicle is increased, the purposes of energy saving and environment friendliness are achieved, the capping device is low in price, convenient to install and maintain, easy to operate and suitable for application and popularization.

The invention relates to a microwave heating vehicle for accurately repairing pavement diseases. The microwave heating vehicle comprises a vehicle body, a repairing mechanism, a compacting mechanism,a control system and a hydraulic system, the repairing mechanism comprises a preheating part and a heating material part. The preheating part is composed of a position receiver, a hydraulic oil cylinder, an infrared heater and a shielding cover surface, and the repairing part is composed of a temperature sensor, a repairing mechanical arm mechanism, a discharging port and a microwave heating box.The compaction mechanism comprises a compaction roller, a compaction control hydraulic cylinder, a compaction swing rod and a compaction guide rail; the control system is mainly characterized in thata computer controls a case to realize various control functions; the hydraulic system is mainly used for achieving various motions and rotation of the infrared heater, the repairing mechanical arm mechanism and the compacting mechanism. The induction heating technology is used in cooperation with the asphalt pavement pit slot repairing capsule to conduct microwave heating repairing on the pit slotin the asphalt concrete pavement, the maintenance project progress is accelerated, and the pit slot repairing quality is greatly improved.

The invention provides environmental-friendly high-adhesion putty powder and relates to the technical field of architectural chemical coatings. The environmental-friendly high-adhesion putty powder disclosed by the invention mainly comprises the following raw material components in parts by weight: 200-350 parts of gypsum, 20-30 parts of pregelatinized starch, 10-15 parts of starch mud, 3-10 partsof carboxymethyl cellulose, 8-15 parts of hydroxypropyl methyl cellulose, 5-10 parts of lauryl sodium sulfate, 3-4 parts of hydroxyethyl cellulose, 5-8 parts of organic polymers, 10-20 parts of bentonite and 10-20 parts of ground limestone superfine powder. According to the putty powder formula disclosed by the invention, the wall adhesion of putty is improved, a high environmental protection index is ensured, and the putty powder can be completely adhered to the wall and is very firm.

Provided is a special putty powder; water-proof powder is added, so that a scraped putty sample plate is excellent in water resistance, ageing resistance and freezing resistance, the service life is equivalent to that of a ceramic tile, the putty sample plate is more environment-friendly than an emulsion paint, does not crack, does not peel off and is high in ageing resistance, and the putty sample plate does not fade, crack or blister after standing for half a year at low temperature; nitrate killing powder is added, so that a putty layer scraped by the prepared special putty powder is not easy to crack, blister and peel; the special putty powder has high adhesion to the wall surface, and can be used for inner and outer walls; the wall surface scraped by the prepared special putty powderdirectly forms a whole, the wall surface is waterproof and free of cracks, and compared with a wall block made of a ceramic tile, the wall block is firmer in bonding, free of block falling and cracking permanently and high in environmental protection index; when the air humidity is high, the special putty powder can absorb moisture in the air and reduce the humidity; when the air is dry, the wallbody can automatically release water; certain fireproof performance is also realized.

An analytical composite material and a preparation method thereof comprise the following ingredients: starch, a plasticizer, cellulose, chitin, diphenylketone, p-benzoquinone, carbonyl compound and polypropylene carbonate. The preparation method comprises the following steps: adjusting the rotating speed of a mixing machine to 1,100-3,500r/min, adding starch, polypropylene carbonate and the plasticizer into the mixing machine, mixing for 8-15min and then adding cellulose, chitin and diphenylketone; adjusting the rotating speed of the mixing machine to 2,100-5,100r/min, adding p-benzoquinone and carbonyl compound and mixing for 5-10min; sealing and storing for about 12-25h after the mixture is naturally cooled; extruding the stored mixture at one time by a twin-screw extruder, placing a drum granulator, adjusting the speed of the drum granulator to 220-350r/min and granulating, so as to obtain the analytical composite material.

The invention relates to a multi-duct cold-hot air circulation building module which comprises a body, the body is of a rectangular structure, the two sides of the rectangle are provided with snap fasteners, one side of the rectangle is provided with a son fastener, the other side is provided with a mother fastener, the body is internally provided with a row of transverse through holes, the through holes are conical, and the hole diameter of the corresponding conical through hole in one end of the son fastener is larger than the hole diameter of the corresponding through hole in one end of the mother fastener. The invention further provides constitution of the multi-duct cold-hot air circulation building module. The multi-duct cold-hot air circulation building module and the constitution thereof have the advantages that the man-hour is saved, quality is more guaranteed, the environmental protection index is high, material wastage is reduced, labor is saved, and the cost is lowered.

The invention provides a rust and moisture resistant varnish. The varnish includes 55-65 parts of epoxy resin, 8-12 parts of styrene, 1.5-3.5 parts of nanosilica, 2.5-3.5 parts of film forming resin, 15-18 parts of water soluble resin, 40-45 parts of xylene, 3.5-6.5 parts of a filler, 0.5-1.0 part of a corrosion inhibitor, 0.2-0.5 parts of a leveling agent and 0.2-0.4 parts of a conditioning agent. The varnish has the characteristics of strong adhesion, fast drying speed after brushing, long use time of a film formed by using the varnish, and rust, moisture, water and wear resistance, has the advantages of non-toxicity, no pollution and high environmental protection index, can meet people's demands on decorating varnishes; and a production process of the varnish has the advantages of simplicity, convenient operation and low cost.

The invention discloses an environment-friendly bolt type power electronic rectification chip forming process which comprises the following steps: (1) preparing a plurality of tin-copper alloy soldering lugs and lead-tin alloy soldering lugs, wherein the weight percentage of tin in the tin-copper alloy soldering lugs is 96%-98%, and the weight percentage of copper in the tin-copper alloy solderinglugs is 4%-2%; (2) sequentially filling the tin-copper alloy soldering lugs, the lead-tin alloy soldering lugs, a cathode molybdenum plate, a siliceous rectification chip and an anode molybdenum plate into a die hole of each graphite sintering die; (3) feeding the plurality of graphite sintering dies into a vacuum chamber of a horizontal vacuum sintering furnace; and (4) carrying out sintering and molding by using the horizontal vacuum sintering furnace. According to the invention, tin-copper (97:3) alloy replaces lead-tin (95:5) alloy material to be used as the cathode and anode surface weld-aid layers of the rectification chip product, so that the environmental protection index of the product is greatly improved, the application market of the product is expanded, the production efficiency of the product is greatly improved, and the phenomenon that the traditional lead enameling process affects the health is avoided.

The invention relates to an environment-friendly wastewater treatment process for fish skin gelatin. The environment-friendly wastewater treatment process comprises the following steps: S1, carrying out filter pressing on sludge in a pre-sedimentation tank through a first filter press; s2, carrying out filter pressing on the sludge in the adjusting tank through a second filter press; s3, the wastewater subjected to the flocculation reaction enters a primary sedimentation tank, a mixed flocculant comprises FeSO4, PAC and PAM according to the ratio of 100: (10-20): (10-20), sludge is subjected to filter pressing through a third filter press, and filter pressing tail water enters a standby tank; s4, the wastewater enters a secondary sedimentation tank, sludge is subjected to filter pressing through a fourth filter press, filter pressing tail water enters a standby tank, and mud cakes subjected to filter pressing through the filter presses all enter a batching tank; s5, the weight ratio of the mud cake to the coal gangue in the batching pool is 20: 1-25: 1; s6, mold fixing; s7, a first drying section; s8, pricking holes; s9, a second drying section; s10, an anti-cracking working section; and S11, a third drying section. According to the invention, multi-stage precipitation is carried out, and the generated precipitated sludge is intensively and effectively utilized, so that the environmental protection index of gelatin wastewater treatment is improved while economic benefits are generated.

The invention relates to an environment-friendly gelatin wastewater treatment process which is characterized by comprising the following steps: S1, carrying out filter pressing on sludge in a preliminary sedimentation tank through a first filter press, and discharging a mud cake into a batching tank; s2, carrying out filter pressing on the sludge in the adjusting tank through a second filter press, and discharging a mud cake into a batching tank; s3, the wastewater after the flocculation reaction enters a primary sedimentation tank, sludge is subjected to filter pressing through a third filter press, filter pressing tail water enters a standby tank, and a mud cake enters a batching tank; s4, the wastewater enters a secondary sedimentation tank, sludge is subjected to filter pressing through a fourth filter press, filter-pressing tail water enters a standby tank, and a mud cake enters a batching tank; s5, the weight ratio of the mud cake to the coal gangue in the batching pool is 20: 1-25: 1; s6, mold fixing; s7, a first drying section; s8, pricking holes; s9, a second drying section; s10, an anti-cracking working section; and S11, a third drying section. According to the invention, multi-stage precipitation is carried out, precipitated sludge generated by each stage of mud-water separation is effectively utilized, and the environmental protection index of gelatin wastewater treatment is greatly improved.