30results about How to "Energy saving materials" patented technology

The invention provides a 3D printing building material, which belongs to the field of building materials. The technical solution adopted is: a 3D printing building material. The key is that the material includes the following mass percentages of raw materials: polyethylene particles 10-15%, silicon Acid powder 75‑85% and antioxidant 5‑12%. The beneficial effects are: (1) The material provided by the present invention is easy to construct, realizes rapid printing, rapid prototyping, rapid storage, and rapid use. The formed building wall has good firmness, high impact strength, and strong anti-aging ability. Low cost; (2) The material preparation is simple, suitable for widespread promotion and application, and solves the problem of recycling building materials.

The invention discloses a circular pipe communicated, spliced, edge-pinched, and welded pressure-bearing heat exchanger, and a manufacturing process thereof. The heat exchanger comprises two headers, wherein a tap water communication pipe is fixedly connected between the two headers; a hot air heat supply pipe passes through the tap water communication pipe; each header is formed by welding two arc plates; the plate edges of the arc plates are flanged outwards; the plate edges of the two arc plates are aligned with each other and are subjected to edge-pinching and self-fluxing welding to form a circular tubular header cylinder body; head blocking plates of the headers are flanged outwards and are embedded at two ports of the circular tubular headers; and the two edges are aligned with a pipe wall surface, are spliced and are subjected to the edge-pinching and the self-fluxing welding to form the headers. An installation hole is punched on each arc plate; the installation hole is stretched inward an arc to form an edge; the aperture and the height of are stretched according to the arc plates; and the end surfaces of the two ends of the tap water communication pipe are subjected to R-angle cutting according to the stretching hole diameter and the stretching height of the arc plates, and then the tap water communication pipe is inserted into the installation holes stretched from the arc plates, are matched with each other, are spliced and are subjected to edge-pinching and self-fluxing welding connection. In the heat exchanger, welding seams are spliced, the edge-pinching welding is easy to realize, and water leakage is avoided; and the heat exchanger is good in pressure-bearing performance, and low in maintenance cost.

The invention discloses a composition used for preparing dumbbells and a dumbbell preparation method using same. The composition comprises the following components according to the parts by weight: 2-4 parts of trans-isoprene, 5-8 parts of ethylene-vinyl acetate copolymer (EVA), 45-60 parts of iron ore powder and 45-60 parts of barite powder and performance additive. The invention also discloses a dumbbell preparation method using the composition. The invention is energy-saving and environmentally friendly; wherein, the preparation method can save more energy materials in the production process and generate no pollution to the environment, and the composition contains no toxic substance and can be recycled. The cast iron substitute prepared by the preparation method has bigger specific gravity with a density of 3-3.5g / m<3> and can satisfy the operating requirement of family fitness equipments.

The invention discloses a polypropylene composition special for automobile bumpers and a preparing method thereof. The raw material formula of the polypropylene composition special for automobile bumpers is composed of, by weight, 30-50 parts of copolymerization polypropylene, 30-50 parts of copolymerization polypropylene reclaimed materials, 10-30 parts of calcium carbonate, 15-25 parts of flexibilizer, 0.1-0.5 part of antioxidant 1010, 0.1-0.5 part of antioxidant 168, 0.3-0.5 part of uvioresistant agent UV-531 and 0.08-0.1 part of diffusing powder ethylene bis stearamide (EBS). The polypropylene composition special for automobile bumpers can meet basic indexes of the automobile bumpers, has some indexes surpassing the world industrial level, has good characteristics of high rigidity, impact resistance, scratching resistance and low temperature resistance, can resist 95 DEG C high temperature and -30 DEG C low temperature, is solarization resistant and aging resistant, has service life as long as more than 15 years, can be recycled for reconstruction, and is an optimum material capable of protecting environment, being recycled, saving energy and reducing emission.

The invention discloses a carbon steel ball valve. The other ends of a first inner cock body and a second inner cock body are pressed against an inner wall of a contracting opening of a ball valve body; a plurality of first grooves are formed in end surfaces, close to a ball, of a first seal member and a second seal member; a plurality of second grooves are formed in end surfaces, away from the ball, of the first seal member and the second seal member; first seal strips are arranged in the first grooves; second seal strips are arranged in the second grooves; the first seal strips are pressed against outer peripheries of the first grooves and the ball; and the second seal strips are pressed against outer peripheries of the second grooves and the ball. The ball valve body is formed integrally, fit tolerance and seams can be avoided, leakage can be avoided, and the leakage-proof performance is excellent. The ball valve body is integrally formed by a copper tube without cutting or casting, materials can be saved, energy can be saved, and the processing efficiency is high; and an adjustment device is arranged in the ball valve body, and the leakage-proof performance of the ball valve will not be influenced.

The invention discloses a ball valve comprising a ball valve main body (1), a ball (2), two ball cushions (3), a first inner plugging body (4) and a second inner plugging body (5), wherein the ball valve main body (1) is an integrated whole and is provided with two throats (1.1) capable of limiting the corresponding inner plugging bodies in the ball valve main body (1); the other end of the firstinner plugging body (4) and the other end of the second inner plugging body (5) are both abutted on the inner wall of the throats (1.1) of the ball valve main body (1); and an actuating device capable of adjusting tightness is arranged between one of the first inner plugging body (4) and the second inner plugging body (5) and the ball valve main body (1). The ball valve has favorable leakage-proof performance, material saving, high processing efficiency and low cost, does not affect internal parts when being assembled and does not leak when being adjusted.

The invention discloses a composite structure sealing plug for a pipe. The composite structure sealing plug comprises a rubber sealing part and a rubber end cover part manufactured as a whole; and multiple annular flanges matched with pipe ports are arranged on the outer peripheral wall of the rubber sealing part. The composite structure sealing plug further comprises metal skeletons for supporting the rubber sealing part and the rubber end cover parts; the metal skeletons are positioned in the rubber sealing part and the rubber end cover part; the left end of the rubber sealing part and the right end of the rubber end cover part are both inwards recessed to form grooves; annular grooves are formed in the connected end surfaces of the rubber end cover part and the rubber sealing part; the rubber end cover part is connected with a metal chain connecting ring; multiple annular projections are arranged on the metal skeletons on the right sides of the annular flanges; annular mounting grooves for placing rubber sealing rings are formed between the adjacent annular projections; and the rubber sealing rings are in interference fit with the annular mounting grooves in the radial direction. Under the condition of satisfying the sealing performance, the composite structure sealing plug can effectively save the use level of materials to prevent wear and scratch of the inner wall of the pipe, and is convenient for installation and disassembly and longer in service life.

The invention discloses a rain-collecting double-energy water-saving irrigator, which consists of a settling tank, a rain collecting tank, a water pump, a water tank, a pressurizing air pump, a connecting water pipe and an irrigating device. In the invention, untimely and unbalance natural rain can be collected and converted into a water source which can be handled discretionary and used in a balance manner, irrigating method and water volume can be changed properly according to different crops or the different growth periods of the crops, and thus, the utilization rate of the collected wateris improved and the waste of water source is reduced. The irrigator, therefore, has the advantages of energy and water conservation, convenient and flexible use, labor conservation and high working efficiency. The rain collecting tank of the irrigator is made of waste plastic, so waste is changed into a valuable material. Thus, the irrigator has the advantages of energy source material conservation, low cost, convenient use and transport, investment and labor conservation and the like. The irrigator is an ideal substitute for modern brisk hybrid water collecting well. The irrigator is particularly suitable for developing dry-farming high-efficiency agriculture in droughty areas.

The present invention relates to the field of antibacterial and anticorrosion coating products, in particular to a graphene-modified antibacterial and anticorrosion coating. The raw materials of the antibacterial and anticorrosion coating include: 30-50 parts of epoxy resin, modified diatomite 15-35 parts, 0.5-10 parts of graphene material, 0.5-1 part of nano-silver particles, 8-20 parts of filler, 1.5-6 parts of additives, 13-15 parts of nano-silver copper loaded POSS base resin and 16-25 parts of water share. A kind of graphene modified antibacterial anticorrosion coating prepared by the present invention can solve the actual problems in the field of antibacterial anticorrosion of ships, marine equipment, granaries, etc., has good economic benefits, saves energy materials; in steel structures, metal plates, etc. On the one hand, it has excellent adhesion, good wear resistance, can withstand high and low temperature, high salinity, can well tolerate bacterial corrosion, and achieve antibacterial and antiseptic effects.