31results about How to "No need to worry about pollution" patented technology

The invention relates to a waste fly ash treatment device, a treatment method and a silicate product. The processing device comprises a feeding unit, a melting unit and a silicate product production unit which communicate in sequence; the silicate product production unit comprises a centrifugal machine, a spraying mechanism, a cotton collecting machine, a curing oven and a calender, wherein the centrifugal machine communicates with a discharge port of the melting unit, the spraying mechanism is arranged in the centrifugal machine, the cotton collecting machine is used for collecting cotton fiber/adhesive mixing bodies produced by the centrifugal machine, the curing oven communicates with the discharging opening of the cotton collecting machine, and the calender is used for making the cotton fiber/bonding agent curing bodies for rolling forming treatment so as to obtain the silicate product. According to the device and the method, harmless treatment and resource utilization of waste flyash can be realized, and subsequent landfill treatment is not needed; and the heavy metals in the waste fly ash can be effectively solidified into silicate products through high-temperature melting,and the method is efficient and stable, and the problem of heavy metal pollution does not need to be worried; and a gas treatment unit can realize effective purification of flue gas, and no harmful gas is discharged.

The invention relates to a method for preparing an active extract of Juniperus sibirica and a whitening and anti-ageing active cosmetic. The Juniperus sibirica is dried, crushed, extracted, decolored, separated and purified, concentrated and the like, the medium polar active extract is prepared, and the extract is added into a cosmetic to prepare the whitening and anti-ageing active cosmetic. The active ingredient is the medium polar active ingredient prepared by performing activity screening such as tyrosinase inhibition, antioxidation and free radical removal on the extract of the Juniperus sibirica, and has special effects of whitening, locking moisture and resisting ageing, and certain antibacterial effect. The raw material is a natural organism and renewable resource; the preparation process is green and safe and has simple and unique steps; and the extract has high stability and durable effect, and can be directly added into the cosmetic in any stage without solvent residue and microbial contamination.

Fuel supply equipment for a vehicle includes a fuel filter cover for covering a fuel filter that is disposed outside of a fuel tank. A fuel pressure regulator for keeping fuel supplied to a fuel injection system under predetermined pressure is arranged so that the fuel pressure regulator is located inside the fuel filter cover and is overlapped with the fuel filter cover when a vehicle is viewed from the side. The fuel pressure regulator is connected to an outflow side of the fuel filter via a fuel hose for keeping fuel supplied to a fuel injection system under predetermined pressure. A holder for supporting the fuel pressure regulator is attached to the fuel filter cover before the holder is attached to a body frame. The resulting configuration enhances the ability to install and maintain a fuel filter provided outside the fuel tank.

The invention relates to a polyglutamic acid fiber with antibacterial property and high water absorption. The main ingredients of the polyglutamic acid fiber comprise modified polyglutamic acid which is a polymer formed from a glutamic acid chain segment and a modified glutamic acid chain segment, wherein the modified glutamic acid chain segment has the chemical structure formula shown by the following formula (I), wherein X is H or Na, Y is Cl, Br or I; and the molar ratio of the modified glutamic acid chain segment to the glutamic acid chain segment is not less than 0.05.

The invention relates to environment-friendly acupuncture cotton, which comprises the following ingredients in percentage by mass: 10 to 20 percent of soybean fiber, 70 to 85 percent of cotton fiber and 5 to 10 percent of alginate fiber in sequential laminated arrangement from top to bottom. The environment-friendly acupuncture cotton consists of a soybean fiber layer, a cotton fiber layer and an alginate fiber layer, and has the advantages that flame retardance and antisepsis are realized, far infrared rays can be radiated out, negative ions are generated, the affinity to human bodies is good, softness, warm keeping and fluffy effects are reached, the air permeability is good, the hand feeling is good, any stimulation is not generated, and the like. The environment-friendly acupuncture cotton is suitable for being used as high-grade cotton quilts and good fillings of cotton clothes for infants; in addition, in the production process, the multilayer superposition of net cotton is not needed, the one-step carding formation is realized, and the production efficiency is improved.

A backpack power sprayer (10) is provided with a liquid tank (11) and a power-driven pump (15). Liquid within the liquid tank is fed by the pump to a spray pipe (19) through a hose (12) and sprayed by the spray pipe. The backpack power sprayer is provided with a holding section (40). The holding section includes a hose-receiving recess (42) which receives a part of the hose, a pipe-receiving recess (48) which receives a part of the spray pipe, and a belt (45) which opens and closes the pipe-receiving recess and the hose-receiving recess.

The invention discloses a preparation method and application of a degradable mulching film coating. The preparation method comprises the following steps: uniformly mixing chitosan with an acetic acidsolution, adding nanocellulose and glycerol, carrying out mixing, performing dispersing, then adding carboxylic butadiene-styrene latex, and carrying out uniform dispersing to obtain a degradable mulching film coating solution. The degradable mulching film coating is wide in raw material source, biodegradable and non-toxic. When applied as a surface coating for a biomass-based mulching film, the coating is harmless to soil and crops, can effectively seal a large number of inter-fiber pores in the surface of a base mulching film, forms a compact network structure on the surface of the mulchingfilm, allows the toughness and the gas barrier property of the mulching film to be greatly improved, prolongs the degradation period of the mulching film, and effectively inhibits the post-growth of weeds in the growth process of rice.

The invention provides an aqueous glass curtain wall cleaning solution, which comprises the following components by weight percent: 7-9% of white mineral oil; 7-11% of aluminum silicate; 12-16% of naphtha; 3-4% of a thickening agent; 2%-3% of a defoaming agent; 3%-5% of a brightening agent; 8-11% of a coating agent; 4-6% of a surfactant; and the balance pure water.

The invention discloses a method of using physical means to improve the fluidity of tar and separate and recover diphenol. During production process of using phenol hydroxylation to prepare catechol / hydroquinone, certain amount of tar are byproducts, so more diphenol product needs to be reserved to improve the fluidity of the tar due to demanding to keep the conveyability of the tar in distillation separation system. The method is characterized in that: inherent composition with high fluidity is recovered from the tar and is re-added into phenol hydroxylation reaction products solution, thereby greatly improving the content of the composition with high fluidity in the tar and meeting the purpose of improving the fluidity of the tar. Because the fluidity of the tar is improved substantively, more diphenol product does not need to be reserved, thereby improving the recovery rate of the diphenol product. The method of using physical means to improve the fluidity of tar and separate and recover diphenol has the advantages of no need to increase special equipment, simple operation process and obvious effect in lowering the content of the diphenol product in the tar and improving the recovery rate of the diphenol product.

The invention provides an environment-friendly adhesive for powdery materials. The environment-friendly adhesive is characterized by being prepared from, by weight, 120-130 parts of chloroacetic acid,70-80 parts of sodium carbonate, 310-330 parts of caustic soda liquid and 740-760 parts of corn starch, wherein the concentration of the caustic soda liquid is 20-25%. According to the environment-friendly adhesive for the powdery materials, the corn starch as the main material cooperates with the caustic soda liquid so that the corn starch can be gelatinized and modified, the adhesive which is high in adhesive effect can be formed, and the adhesive is environmentally friendly, free of toxicity, high in adhesive performance and low in cost; the adhesive can be added into various nonmetallic powdery materials in use, the problem that an organic adhesive is high in cost is avoided, and the adhesive has a wide application prospect.

The invention relates to environment-friendly needle-punched cotton. The environment-friendly needle-punched cotton comprises a chitin fiber layer, a cotton fiber layer and an alginate fiber layer, wherein the chitin fiber layer, the cotton fiber layer and the alginate fiber layer are sequentially stacked in the vertical direction, the mass percent of the chitin fiber layer is 15-25%, the mass percent of the cotton fiber layer is 60-870%, and the mass percent of the alginate fiber layer is 10-15%. The environment-friendly needle-punched cotton is composed of the chitin fiber layer, the cotton fiber layer and the alginate fiber layer, has the advantages of being flame-retardant and antibacterial, radiating far infrared rays, generating negative ions, being good in affinity to the human body, soft, warm-keeping, fluffy, good in air permeability and hand feeling, free of stimulation and the like, and is suitable for being used as good filler of top-grade cotton quilts and infant cotton clothes. In addition, in the production process, multi-layer stacking of net cotton is not needed, the environment-friendly needle-punched cotton is formed by one-time carding, and the production efficiency is improved.

This invention relates to an illuminating advertising board device mounted on a wall. Upper wall bearing rails and lower wall bearing rails are arranged in parallel on the wall. Light fixtures are positioned at the middle part of the upper wall bearing rails and the lower wall bearing rails, and position correcting fittings for positioning the upper wall and lowing wall bearing rails and the light fixtures are arranged. The illuminating advertising board device also comprises: a long eave material made advertising board display body supporting device tabled in the upper wall bearing rails; an advertising board display body on a lower rail of a synthetic resin made hollow operation board which is secured on a rationally removable and clipped operation board upper rail through a thermal expansion swelling stress damping bench fastened on the operation board after being clipped on the length direction of the upper wall rail and can be propped and inserted into the lower wall bearing rail. The illuminating advertising board device has the advantages that the weight is light, the assembly and disassembly are time and labor saving, the interior of the advertising board material is free from pollution, cleaning and the other maintenance works are easy, and the replacement of the advertisement is simple. Moreover, the illuminating advertising board device can be simply and economically in corresponding with the wall.

The invention discloses a dustproof electric tool which comprises a shell, a dustproof sleeve, blades, a drill chuck and a drill bit. A motor and a transmission mechanism are arranged in the shell; the drill chuck is arranged at the front part of the shell; the motor drives the drill chuck to rotate; the drill bit is arranged in the drill chuck; an annular inserting groove is formed in the front part of the shell; the dustproof sleeve comprises an inner cylinder and an outer cylinder; the inner cylinder is inserted into the outer cylinder and can move in the axial direction of the outer cylinder; the outer cylinder is inserted into the annular inserting groove; and the blades are arranged on the drill chuck. According to the dustproof electric tool provided by the invention, airflow is generated through the blades, so that dust emerging from a drilled hole flies, and the dust is prevented from falling along the wall to pollute the wall; and meanwhile, the inner cylinder and the outer cylinder are arranged to limit raised dust in the inner cylinder and the outer cylinder, so that raised dust on a construction site is reduced.