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59results about How to "No destructive effect" patented technology

Conjugate polyether, polyurethane raw material composition, polyurethane foams and applications thereof

The invention provides conjugate polyether, comprising 6-8 parts of polyether polyol EP-330N, 2-4 parts of polyether polyol SU-450L, 0.06-0.15 parts of non-hydrolytic surface active agent, 1.5-2 parts of water, 0.8-1.5 parts of nonyl phenol polyoxyethylene ether NP-10, 0.03-0.05 part of foaming catalyst PC52, 0.3-0.5 part of foaming catalyst NE300 and 1.3-2 parts of ethyl diethyl phosphate. The invention further provides a polyurethane raw material composition, polyurethane foams and applications thereof. Compared with the conventional polyurethane foams, the polyurethane foams in the invention have low density, low mass, proper aperture ratio, good sound-proofing effect, and good heat insulating effect, and compared with the polyurethane foams with middle and high density, the cost of the polyurethane foams in the invention is lower. While the polyurethane foams in the invention have low density, the polyurethane foams can reach the application standards of thermal insulation materials, sound-proofing materials, sandwich panels for construction, spraying materials for ceilings of automobiles or filling materials and the like. The conjugate polyether is a total-moisture foaming system, has no damage to ozone layer and has the advantage of environmental protection.
Owner:SHANGHAI DONGDA POLYURETHANE

Two-phase high-frequency pre-detonator

The invention provides a two-phase high-frequency pre-detonator. The two-phase high-frequency pre-detonator comprises a pneumatic valve and a detonation duct, wherein a fuel and air distribution and mixing device, a flame diffusion device, an intensified combustion device A, an intensified combustion device B and a shock reflection device are sequentially installed in the denotation duct along the flowing direction of air and fuel, the distance L1 between the front end surface of the fuel and air distribution and mixing device and the front end surface of the denotation duct is 1.0-2.0D, an ignition groove is processed on the wall surface of the denotation duct between the fuel and air distribution and mixing device and the flame diffusion device, the distance L2 between the rear end surface of the fuel and air distribution and mixing device and the front end surface of the ignition groove is 0.5-0.7D, and the distance L3 between the rear end surface of the ignition groove and the front end of the flame diffusion device is 1.0-1.2D. The two-phase high-frequency pre-detonator has the advantage that the conversion from slow combustion to denotation is realized in a short distance by reasonably designing the internal structure of a denotation chamber, optimizing all major parts and installation positions and adopting a combined method of intensified combustion and shock reflection.
Owner:BEIJING POWER MACHINERY INST

Oil-containing pollutant treatment method performing indirect heating using heat-conducting oil and device thereof

The invention provides an oil-containing pollutant treatment method performing indirect heating using heat-conducting oil and a device thereof, and relates to the technical field of oil-containing pollutant treatment technologies. The method comprises five steps of breaking, hot washing, thermal desorption, oil-gas treating and ash treating. Breaking and hot washing are firstly conducted on oil-containing pollutants, then thermal desorption is conducted on solid pollutants on which initial oil removing is conducted, heat exchange is conducted by a thermal desorption device using the heat-conducting oil used for heating a heating furnace as a medium to heat the oil-containing pollutants in the absence of oxygen, the pollutants are volatilized or separated from pollution mediums, and the ultra-clean treatment of the oil-containing pollutants is achieved; wasted oil and residual of the device can be adopted as raw materials of the heating furnace to reduce operation cost; oil and gas treated by the thermal desorption device enter a subsequent gas treating system to further perform condensing, filtering and separating, atomizing condensing crystallizing processing is conducted on treated ashes, the ashes can be adopted as excellent raw material of construction materials such as floor bricks, hollow bricks and the like, and solid particle and dust pollution is avoided.
Owner:大庆百世环保科技开发有限公司

Movable core plate wooden door

The invention relates to the technical field of wooden door production, in particular to a movable core plate wooden door. The movable core plate wooden door is structurally composed of a door leaf frame, a door core plate, convex embedding positions, concave embedding grooves and fixing strips. The convex embedding positions are arranged on the upper face, the left side and the right side of thedoor core plate; the concave embedding grooves are formed in the positions, corresponding to the mounting position of the door core plate, on the door leaf frame, and the door core plate is embedded into the concave embedding grooves in the door leaf frame through the convex embedding positions; and the lower face of the door core plate is fixed to the door leaf frame through screws. The structureis simple, operation is easy, and the parts of the wooden door can be mounted and demounted flexibly; painting treatment before production is facilitated, the attraction degree of the wooden door isincreased, and mounting is convenient; the after-sale service of the wooden door is facilitated, the door core plate is of a movably-inlaid structure, thus, demounting is rapid and convenient, and anydestructive influence on the wooden door is avoided; and door core plate extending and retracting spaces are reserved in the concave embedding grooves, and elastic buffer strips are arranged in the concave embedding grooves, so that the stability of the wooden door is improved greatly, the wooden door is prevented from deforming and cracking, and the service life of the wooden door is prolonged.
Owner:李强

Method for producing photocatalysis nano active water and use thereof

The invention discloses a production method and purpose of photocatalysis nanometer active water. The production method comprises preparing photo-catalytic material on a solid media and immersing the photo-catalytic material in water, irradiating with ultraviolet light to lead the water to produce free radical and outputting the photocatalysis nanometer active water. The invention is used for plant protection, tap water for living, dealing recycle water, treating sewage and the like, is also capable of being utilized in medical treatment and health care. The free radical in the photocatalysis nanometer active water is capable of entering human body and animal body to directly kill bacterium, microorganism and viruses, establishing an artificial immune system to prevent and treat various diseases. The photocatalysis nanometer active water does not include any chemical composition, is nontoxic, has no harm to human body and animal body, and can be used for a long term. The invention can prevent and treat diseases by means of aerosol, injection, oral administration and target-oriented drug delivery, can cure various diseases like tracheitis, hepatitis B, HIV, lupus erythematosus, influenza and bird flu and the like which are caused by bacteria and viruses. Simultaneously, the effects of cleaning focus and preventing cancer are perfect. The production method of the photocatalysis nanometer active water is simple, low in cost, and easy to spread and use.
Owner:张金龙

Compound feed additive for pigs, as well as preparation method and application of compound feed additive

The invention relates to a compound feed additive for pigs, as well as a preparation method and application of the compound feed additive. The feed additive comprises the following components in partsby weight: 19-33 parts of a plant extract, 5-7 parts of yeast beta-glucan, 1.52-4.06 parts of an organic trace element chelating substance and 55.94-74.48 parts of a carrier substrate. The preparation method comprises the following steps of during preparation, firstly, preparing raw materials, dividing the carrier substrate into a carrier substrate A and a carrier substrate B, screening the plantextract, then adding the screened plant extract to a mixture of the carrier substrate A with the organic trace element chelating substance, performing uniform stirring, then adding a mixture of the yeast beta-glucan and the carrier substrate B, and performing uniform stirring. The feed additive is added to a basic ration of the pigs, and the addition proportion of the feed additive to the basic ration in percentage by weight is 0.5-1.5%. Compared with the prior art, the compound feed additive disclosed by the invention has the advantages that the immunity of animals can be notably improved, the attack rate can be reduced, antibiotics and chemical synthesis medicines can be replaced, the safety of meat products is improved, the mouth feel of meat quality is improved, besides, the growth and the development of the animals can be notably promoted, and the utilization efficiency of the feed can be improved.
Owner:JINHUA AONONG BIOLOGICAL TECHNOLOGY CO LTD +2

Protein-based surfactant for carrying out cleaning care on skin and hairs and preparation method thereof

The invention discloses a protein-based surfactant for carrying out cleaning care on skin and hairs and a preparation method thereof. The preparation method comprises the following steps: (1) pretreating a natural protein raw material; (2) adding alkaline protease and catalase into the pretreated natural protein raw material, and carrying out enzymolysis and enzyme deactivation, thus obtaining anenzyme deactivation protein hydrolysate; (3) purifying and refining the enzyme deactivation protein hydrolysate, removing moisture, and drying, thus obtaining collagen; (4) carrying out amidation reaction on the collagen and diethanolamine by taking a microreactor as a reaction device, and generating collagen polypeptide amide; carrying out esterification reaction on the collagen polypeptide amideand lauric acid, thus preparing the protein-based surfactant. According to the protein-based surfactant and the preparation method, disclosed by the invention, the functional protein-based surfactantwhich is suitable for cleaning the skin and the hairs and for other special demands can be produced by using natural protein which can be easily abandoned or lowly utilized as a raw material, so thatthe utilization efficiency of a natural protein resource is increased.
Owner:东营市庄溶生物科技有限公司

Bidirectional cylinder recoiling mechanism for firework cylinder

The invention discloses a bidirectional cylinder recoiling mechanism for a firework cylinder, which is arranged below a tube coiling mechanism and comprises a lower clutch spindle (19), primary carrier rollers (16), a paper cutting carrier roller (7) and cutters (11), wherein the lower clutch spindle (19) which can draw apart and close with the upper clutch spindle (18) of the tube coiling mechanism synchronously is arranged under the upper clutch spindle; the primary carrier rollers (16) and two secondary carrier rollers (7), which can move relatively, are arranged on two sides of the lower clutch spindle; the primary carrier rollers are axially arranged at intervals; the cutters (11) which can rotate and swing synchronously are arranged below paper cylinders (3) positioned in the intervals of the primary carriers; and the internal circumferential surface formed by the primary rollers and the two secondary rollers can support and limit the paper cylinders. Adopting bidirectional cylinder recoiling, the mechanism avoids damaging the paper cylinders. Therefore, the integrity and strength of the paper cylinders are guaranteed, the safety of paper cylinder cutting is improved, the paper cylinder cutting efficiency is improved, and the realization of the automation and assembly line work of the paper cylinder cutting can be realized easily.
Owner:浏阳市中洲机械科技有限公司

Clean fracturing fluid with liquid thickening agent and preparation method thereof

The invention relates to a clean fracturing fluid with a liquid thickening agent and a preparation method thereof. The problem of dissolution of the thickening agent is one of the problem which causes that the clean fracturing fluid is difficult to widely use in the using process of the clean fracturing fluid, and most of most of viscoelastic surface active agents are generally difficult to fast dissolve under the condition of room temperature. The preparation method comprises the following steps of: mixing high-melting point unsaturated fatty acid and low-melting point unsaturated fatty acid according to the proportion of 1:(2-1):3 to prepare an unsaturated fatty acid thickening agent; preparing the mixed water solution of sodium hydroxide and potassium chloride, wherein the mass percent is respectively as follows: 0.8%-1.2% and 2.2%-3%; mixing the unsaturated fatty acid thickening agent and the mixed water solution at a ratio of 2.4:(100-3):100 under the condition of vigorous stirring to prepare a product. Compared with other clean fracturing fluids of the surface active agents, the clean fracturing fluid disclosed by the invention is more convenient in process when in use because the thickening agent is in a self liquid state and has good solubility of components. According to the invention, the adopted thickening agent is micromolecular and less in formation damage, so that the oil recovery efficiency is easier to increase.
Owner:上海圣轩生物科技有限公司

A kind of blast furnace coal-injection combustion aid and using method thereof

The invention belongs to the technical field of metallurgical industry and discloses a blast furnace coal injection combustion improver and a use method thereof. The blast furnace coal injection combustion improver comprises aluminum powder with activated aluminum being not less than 95wt%. According to the use method of the blast furnace coal injection combustion improver, the usage amount of a fire retardant accounts for 0.065%-0.10wt% of raw coal. According to the invention, the aluminum powder is adopted as the blast furnace coal injection combustion improver, the aluminum powder is mixed with the raw coal to prepare powder and then the powder is injected into a blast furnace for combustion to accelerate the oxygen diffusion velocity of coal powder and promote the macromolecule cracking of blast furnace coal injection coal powder, so that the purposes of lowering a coal powder ignition point and increasing the combustion efficiency of the coal powder positioned in front of a blast-furnace tuyere are reached, and the usage cost of the combustion improver disclosed by the invention is reduced to 3.23-2.07 yuan / ton of iron from about 5.13-6.17 yuan / ton of iron of the traditional rare earth combustion improver; the blast furnace coal injection combustion improver disclosed by the invention has the characteristics of no alkali metal, stable combustion-supporting effect and safe and reliable use and can effectively enhance the coal ratio of the blast furnace, reduce the coke ratio, increase the output and lower the addition cost, thus effectively increasing the integral economic benefit of blast furnace coal injection.
Owner:WUKUN STEEL

Lateral double-diffusion metal oxide semiconductor (LDMOS) device introducing local stress

The invention relates to a lateral double-diffusion metal oxide semiconductor (LDMOS) device. According to the LDMOS device, the performance is improved by using stress, poor influence is reduced, and the local stress is introduced. The invention adopts the technical scheme that: the LDMOS device introducing the local stress comprises a body substrate, wherein a well area and a drift area, which are adjacent to each other, are formed on the substrate; a source area and a drain area are respectively formed in the well area and the drift area; a gate oxide layer is grown on the surface of the well area between the source area and the drift area; a polycrystalline silicon gate is grown on the gate oxide layer; a thin film covers the surface of the source area and/or the gate; and by using the intrinsic stress of the thin film, the stress is introduced into a channel of the LDMOS device. The LDMOS device has the advantages that: an energy gap (EG) of the drift area of the device cannot be influenced; the on resistance (Ron) of the source area and the drain area of the device can be obviously reduced; a positive effect of the stress on the performance of the device is fully exerted; a negative effect of the stress on the performance of the device is reduced; and the device is particularly applicable to manufacturing of a power device.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Injection mould provided with hydraulic motor thread return mechanism protection device

The invention relates to an injection mould provided with a hydraulic motor thread return mechanism protection device. The injection mould comprises an upper mould, a lower mould, a power component, a thread mold core for molding product threads, and a transmitting assembly, wherein the lower end of the thread mold core is provided with a thread bushing having a guide function in a matching way, and the thread mold core can conveniently move along the axial direction through the thread bushing; the thread bushing is fixed in the lower mould; a driven gear is fixed on the thread mold core, and linkage is realized between the driven gear and the power component by the transmitting assembly; when the mould is opened and closed, and the thread mold core reaches one of two limiting positions of the upper end and the lower end in the power transfer process, large resistance is applied to the transmitting assembly, and an upper rotating sleeve and a lower rotating sleeve which are arranged on the transmitting assembly slip and get away from the transmitting assembly, so that power is cut off in time, all the parts are prevented from being damaged or broken by vibration, the thread mold core is prevented from being very tight with a mold kernel or the thread bushing when moving up and down, the service life of the mould is effectively guaranteed, and the maintenance cost is lowered. The injection mould belongs to the technical field of mould equipment.
Owner:和动力智能科技(东莞)有限公司
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