469results about How to "Antifreeze" patented technology

The invention discloses a high-permeability liquid rubber spray coating, and relates to the technical field of spray coatings. The high-permeability liquid rubber spray coating comprises a component A and a component B, wherein the component A is anionic liquid rubber asphalt emulsion; the component B is a coagulant solution; the component A has the solid content of liquid rubber asphalt emulsion of 50-75 weight percent, and comprises the following components in percentage by mass: 1 to 35 percent of rubber emulsion, 10 to 50 percent of asphalt emulsion, 0.01 to 2 percent of anionic dispersing agent, 0.01 to 2 percent of anionic surfactant, 0.1 to 10 percent of fatty alcohol-polyoxyethylene ether, 0.1 to 10 percent of alkali resistant wetting agent OEP-70 and 0.1 to 10 percent of alkali resistant wetting agent AEP; and the component B is an aqueous solution at the concentration of 3-18 percent, which is prepared by mixing calcium chloride and composite aluminum-iron polymer in percentage by mass. The wetting agents are added into the spray coating, and the coating has high permeability and wider application range.

The invention relates to the technical field of harmlessness treatment of smelting wastes, and especially relates to a ceramsite prepared by using smelting wastes, and a preparation method thereof. The ceramsite comprises 10-90% of smelting waste powder, 5-40% of municipal sludge, 4-20% of fly ash, 0-20% of gangue and 0.1-10% of a curing agent. The preparation method of the ceramsite comprises the following steps: 1, crushing the smelting wastes by using a crusher to prepare the smelting waste powder; 2, weighing the smelting waste powder, the municipal sludge, the fly ash, gangue and the curing agent, mixing, and uniformly stirring to prepare ceramsite powder; 3, conveying the ceramsite powder to a ball forming granulation machine, and carrying out granulation molding to prepare ceramsite balls; 4, drying the ceramsite balls; and 5, calcining he dried ceramsite balls to prepare the finished ceramsite. The ceramsite prepared in the invention has the advantages of light weight, environmental protection and wide uses; and the preparation method recycles the smelting wastes, and has good economic and social benefits.

The invention provides a concrete complex additive which comprises the following components by weight percent: 17.5-58.0% of efficient water reducing agent, 0.5-5.5% of organosilicon waterproofing agent, 0.2-2.5% of organosilicon reinforcing agent, 3.5-25% of polyacrylamide, 1.2-2.8% of triethanolamine, 3.2-6.3% of sodium nitrite, 0.3-1.2% of glycol, 0.6-1.3% of glycerol, 2.8-5.5% of sodium gluconate and the balance of water. The impact resistance, crocking resistance, impermeability and waterproofness of the concrete material can be obviously improved by using the complex additive provided by the application in the preparation process of the concrete, thus the concrete complex additives is especially suitable for the requirement on high-performance concrete for construction of airfield runways or highway bridges.

The invention provides an ecological grass planting trench for cities with rich water resource, which is arranged on one side of a sidewalk road. The ecological grass planting trench sequentially comprises a vegetation layer, a planting soil layer, a building block brick layer, a water permeating and discharging pipe and a gravel layer from top to bottom. The ecological grass planting trench is arranged on one side of the sidewall road and used for collecting rainfall running water on the sidewall road, the pollutants in the running water can be reduced, and a purpose for locally purifying the running water and controlling the pollution of the running water can be achieved; the ecological grass planting trench is arranged between the sidewall road and a green land, so that not only is the landscape not influenced, but also convenience in construction can be realized; the rainfall running water is stopped in the gravel layer and gradually and slowly permeated, finally the water content of the soil of the green land is replenished, the rainfall running water can be completely absorbed and purified, and the water for irrigating the green land can be reduced; the lower end of the water permeating and discharging pipe is connected with a rainy water opening or a rainy water well, the other end of the water permeating and discharging pipe is closed, so that the collected rainfall running water on the sidewalk road can be collected into the rainy water opening or the rainy water well, and a purpose for reducing the rainfall running water and postponing the flood peak can be achieved.

The invention discloses a gray brick mechanically manufactured from lime sludge and construction wastes and a method for manufacturing the same. The materials for mechanically manufacturing the gray brick comprise the following raw materials in portion by weight: 1,015 to 1,135 portions of construction waste crushed materials, 240 to 290 portions of cement, 810 to 1,010 portions of lime sludge, 60 to 75 portions of gray lime, and 100 to 125 portions of water, wherein the particle size of the construction waste crushed materials is less than 15 millimeters. If necessary, less than 20 portions of fly ash and proper amount of activating agent can be added to the materials. The method for mechanically manufacturing gray brick comprises the following steps: firstly, crushing the construction wastes; secondly, mixing the construction waste crushed materials with the other materials according to the proportions; and thirdly, pressing the mixture by adopting a mechanical method so as to produce the gray brick of the invention. The gray brick and the method for manufacturing the same recycle the sludge and the construction wastes in a reducing, harmless and resource-utilizing mode, and solve the problem that substituting materials and products are hard to find after clay bricks are forbidden to use and the problem of gray brick sources for civilian constructions.

The invention discloses a method for processing composite fiber material spiral stirrup. The method comprises the following steps of: gumming, premolding, semi-solidifying and drying, molding spiral stirrup, sizing and drying, and cutting and packaging. In the multiturn continuous closed-type composite material spiral stirrup of the invention, the continuous spiral composite material stirrup replaces the single-ring composite material stirrup, so that the spiral stirrup can save materials and man-hours in the same member, resists corrosion, and can also improve the bearing capacity of a girder or a column under the condition of constant section and equal spacing; the tensile strength of the composite material stirrup is three times that of steel bar; the weight is only one-fourth that of the steel bar; and the composite material stirrup has the advantages of no magnetism, water resistance, freeze resistance, strong chemical corrosive resistance and the like; and due to the adoption of a process for molding the composite fiber material spiral stirrup, the disadvantage that a conventional composite material is difficult to bend into the stirrups with different shapes after solidification and sizing is overcome, and the shape of the composite material steel bar can be changed so as to manufacture the spiral stirrup according to the requirements of people.

The invention discloses an anti-aging skincare mask containing crithmum maritimum. The anti-aging skincare mask is prepared from a skin conditioner component, an auxiliary component and water, wherein the skin conditioner component is prepared from 2%-6% by mass of butanediol, 2%-5% by mass of glycerin, 0.1%-0.5% by mass of a crithmum maritimum extract, 1%-5% by mass of a pseudoalteromonas fermentation product extract, 1%-5% by mass of acetyl hexapeptide-8, 0.5%-3% by mass of a Centella asiatica extract, 0.5%-2% by mass of D-panthenol, 0.03%-0.1% by mass of sodium hyaluronate, 1%-5% by mass of Chamomile German water, 0.5%-3% by mass of corn protein amino acids, 1%-3% by mass of a lotus extract, 0.5%-2% by mass of bio-saccharide gum-1 and 0.1%-0.3% by mass of allantoin. The anti-aging skincare mask containing crithmum maritimum can inhibit lipid peroxidation and inflammatory reaction, rebuild water balance and brighten complexion and has effects of preserving moisture, resisting aging, brightening the complexion and realizing anti-allergic repair.

The invention discloses a diversification premixing modified starch and a relative production method, which premixes etherified-crosslink-esterified starch, esterified-esterified starch and esterified-crosslink starch which are produced independently in a certain ratio, to obtain the starch with good freeze stability, gel property, and water retention. The product supplies a new processing property for modified starch product, which can be applied for food, particularly for low-temperature meat product, to adhere, stuff and improve water retention. The invention has short production period, low energy consumption, simple operation and high product stability.

The invention discloses an organic fuel cell anti-freeze cooling liquid with low conductivity and ultra-long acting and a preparation method of the anti-freeze cooling liquid in the field of anti-freeze cooling fluids. The anti-freeze liquid is prepared from components in percentage by weight as follows: 10wt%-70wt% of ethylene glycol, 0.001wt%-0.01wt% of 8-hydroxyquinoline, 0.005wt%-0.02wt% of uracil, 0.01wt%-0.03wt% of 4-acetaminophen, 0.01wt%-0.05wt% of benzotriazole octadecylamine, 0.005wt%-0.05wt% of N-bromosuccinimide, 0.001wt%-0.01wt% of inosine and the balance of deionized water. The preparation method of the anti-freeze liquid comprises the steps as follows: all the components of the anti-freeze cooling fluid are put in a reaction kettle in percentage by mass; the components are stirred and mixed for 30-90 min, so that all components are fully dissolved and mixed uniformly, the mixed solution passes through anion and cation mixed exchange resin by the aid of a pressure pump, and the fuel cell anti-freeze cooling fluid is obtained. The organic fuel cell anti-freeze cooling liquid with low conductivity and ultra-long acting is weakly alkaline, is anti-freezing and anti-boiling and has performance of low conductivity, ultra-long acting and high corrosion inhibition.

The invention discloses a probiotic foodstuff and a preparation method thereof. In the fermentation process of yoghourt, a functional starter, germinated brown rice, Chinese herbal medicine extract with anti-heat-and-cold irritability and a stabilizing agent capable of effectively enhancing stability are added; temperature-varying yoghurt fermentation enables propagation of lactic acid bacteria to be maximized and anti-heat-and-cold stress capability of lactic acid bacteria to be improved; non-thermal processing technology is employed for pretreatment of yoghurt and fruit and vegetable pulp so as to prevent infection with infectious microbes in preparation process, improve juice yield of the fruit and vegetable pulp, increase the content of soluble cellulose in the fruit and vegetable pulp and prevent browning of the fruit and vegetable pulp; and a scientifically compounded cryoprotectant with good anti-refrigeration effect is added during mixing of the fruit and vegetable pulp and the yoghurt. Eventually, the prepared probiotic foodstuff has fine mouthfeel, uniform texture, stable state, natural quality, a great number of live bacteria, strong functionality and long shelf life, wherein the content of the live bacteria is 1.75 * 10<11> to 2.55 * 10<11> CFU/g, and the shelf life is 30 to 36 months at normal temperature.

The invention discloses an irrigation and drainage integrated device suitable for a high underground water level. The irrigation and drainage integrated device comprises a set of underground irrigation pipelines, an underground water conveying pipeline, a water storage pool body, a water inlet pipe, a water outlet pipe, a water pump and two automatic control valves of the water pump, wherein one end of each underground irrigation pipeline is connected with the underground water conveying pipeline; a water permeable film is mounted at the other end of each underground irrigation pipeline; the underground water conveying pipeline is connected with the water inlet pipe; the water inlet pipe is connected with the water storage pool body; the first automatic control valve is mounted on the water inlet pipe; one end of the water outlet pipe is connected with one side of the water inlet pipe; the other end of the water outlet pipe is connected with the water storage pool body; and the water pump and the second automatic control valve are respectively mounted on the water outlet pipe. According to the irrigation and drainage integrated device, redundant underground water can be drained under higher underground water level of farmland and is stored in the water storage pool body, and infiltrating irrigation is carried out through the underground irrigation pipelines under lower underground water level, so that the irrigation and drainage functions are achieved, the water resources are saved and high and stable yield of crops can be facilitated.

The invention provides a heat exchanger anti-freezing method and system of an air-cooled heat pump hot and cold water machine. The method includes the steps: acquiring an environmental temperature, a condenser outlet temperature and water inlet and outlet temperatures of a heat exchanger in real time; comparing the temperature difference between the environmental temperature and the condenser outlet temperature with a second preset temperature difference threshold value when the temperature difference between the water inlet and outlet temperatures is larger than a first preset temperature difference threshold value; controlling the air-cooled heat pump hot and cold water machine to stop and outputting fault information when the temperature difference between the environmental temperature and the condenser outlet temperature is larger than or equal to the second preset temperature difference threshold value. The risk of icing of a water side of the heat exchanger of the air-cooled heat pump hot and cold water machine is judged according to the detected temperature difference, on and off of the air-cooled heat pump hot and cold water machine are controlled, and safety and reliability of the air-cooled heat pump hot and cold water machine are improved. Besides, the invention further provides the air-cooled heat pump hot and cold water machine comprising the heat exchanger anti-freezing system of the air-cooled heat pump hot and cold water machine.

The invention provides a slide layer for longitudinal isolation devices on bridge tracks. The slide layer is arranged below a longitudinal partition wall between a track and a bridge; the slide layer is positioned in the direction of the bridge length; both ends of the slide layer can be expanded to limit table across an abutment; the width of the slide layer is bigger than that of the track; the slide layer comprises an top-arranged film layer, an intermediate sliding film and a bottom-arranged film layer; the top face of the top-arranged film layer of the slide layer is adhered to the bottom face of the longitudinal partition wall; the bottom face of the bottom-arranged film layer is stuck to the top face of the bridge beam body. The invention has advantages of anti-friction, tensile resistance, anti-freezing, creep-resisting, anti-corrosion and having weather ability performances; meanwhile, the invention can meet the requirements for lower friction factor and low friction loss. Besides, the invention also has advantages of perfect processing performance, being economic and practical and low price. Therefore, the invention meet requirements of bridge track longitudinal isolation devices for slide layers.

The invention relates to a waterproof paint for architecture and building materials, especially to a water-base paint which is widely applied to brushing objects such as boarded floor, toy for children, corrugated paper, inner wall, outer wall, woodwork, damp proofing, cement, leak stopping, metal product, etc. The prescription of water-base paint totally differs from the traditional one, comprising: adding raw materials such as glycerin, xylitol, etc., except crylic acid emulsion, which are food-grade raw materials substantially, nontoxic and environmental-friendly absolutely. The water-base paint can be constructed directly, bring handsome looking and relieving labor strength of constructors. Furthermore, the water-base paint does not damage health of constructors, with multiple advantages of current waterproof paints.

The invention relates to an aquatic product low temperature speed freezing liquid with antioxidation and color-protecting functions. The freezing liquid comprises the following substances by weight percent: 5%-8% of sodium chloride, 1%-5% of sorbitol, 0.05%-0.1% of sodium D-isoascorbate, 22%-40% of ethanol and the balance water and the speed freezing liquid can be kept in liquid state at -20 DEG Cto -50 DEG C. when the low temperature speed freezing liquid of the invention is used to perform aquatic product low temperature speed freezing, the cells of the frozen aquatic product can be kept perfectly, the shape can be kept in the original state and the state can be maintained in the refrigeration process of the frige so that the aquatic product can keep the original characteristics of color, flavor, texture and nutrition after unfreezing.

The invention discloses a gas water heater and method for preventing the frost with a water pump. The gas water heater for preventing the frost with the water pump comprises a heat exchanger, a combustor, a water inlet pipe, a water outlet pipe and a water outlet valve. The combustor is arranged below the heat exchanger. A water flow sensor is mounted on the water inlet pipe. The water outlet valve is arranged on the water outlet pipe. The water pump is arranged between the water flow sensor and the heat exchanger. The water inlet pipe communicates with the water outlet pipe through a circulating water pipe. One end of the circulating water pipe is arranged between the water outlet valve and the heat exchanger, and the other end of the circulating water pipe is arranged between the water flow sensor and the water pump. A circulating valve is arranged on the circulating water pipe. A first temperature sensor is arranged on the water inlet pipe. When the water temperature detected by the first temperature sensor is lower than the first temperature value, the water outlet valve is closed, the water pump is opened, the circulating valve is opened, and a circulating water passageway is formed; and the combustor is started to heat the heat exchanger. In this way, water in the water heater is circulated and heated by the water pump and the combustor, and the water passageway is prevented against the frost.

The invention provides a high-efficient cleaning and maintenance liquid of a diesel engine SCR system. The high-efficient cleaning and maintenance liquid includes the following components: a complexing agent, a surfactant, a cosolvent, ammonia water and the balanced being urea. The high-efficient cleaning and maintenance liquid can prolong the service life of a catalyst, can improve the effect of the catalyst in the SCR system, can improve the efficiency of tail gas treatment and can reduce the use cost of vehicle-use urea.

The invention discloses an environmentally-friendly multifunctional dust suppressant and a preparation method thereof. The environmentally-friendly multifunctional dust suppressant comprises the materials in percentage by weight: 0.05-2.50% of carboxymethylcellulose, 0.05-2.50% of chitosan, 0.1-0.5% of acetic acid, 0.25-1.00% of glycerol, 0.05-0.15% of sodium alkyl benzene sulfonate, 0.01-0.05% of copper sulfate, 2-20% of magnesium chloride and the balance of water. The dust suppressant provided by the invention is remarkable in dust suppressant and loss preventative effect. Compared with other dust suppressants, the preparation method has the following advantages: the machining process is simple and convenient, the cost is lower, the dust suppressant time is long, the performance cost ratio is high, and the components are independent. The liquor of the dust suppressant is free from any toxic and side effects and corrosive effect, and the dust suppressant can be biodegradable and is free from any secondary pollution. The dust suppressant provided by the invention can be widely applied to the fields of construction sites, cement plants and coal storage and transportation and dust suppression.

The invention discloses freeze-dried tablets and a preparation method thereof. According to preparation method of the freeze-dried tablets, a functional leavening agent, functional germinated brown rice, Chinese herbal medicine extracts with ambient temperature stress resistance, and a stabilizer capable of effectively improving stability are added in the yoghurt fermentation process; through the adoption of a variable-temperature yoghurt fermentation technology, the propagation of lactic acid bacteria is maximized, and the ambient temperature stress resistance of lactic acid bacteria is improved; yoghurt and fruit puree are pre-processed by adopting a non-thermal processing technology, so that the sundry bacteria contamination is prevented during the process, the juice yield of fruit juice is increased, the content of soluble cellulose of the fruit puree is increased, and the browning of the fruit puree is prevented; in addition, a freezing protecting agent scientifically compounded and having better anti-freezing effect is added during the mixing of the yoghurt and fruit puree; finally, the freeze-dried tablets which are delicate in mouth feel, uniform in texture, stable in state, great in quantity of live bacteria, good in functionality and long in shelf life. The content of live bacteria in the freeze-dried tablets is 1.55*10<11>-2.52*10<11> CFU/g, and the shelf life is 30-36 months at the normal temperature.

The invention relates to an energy-saving self-heat-insulation ceramsite building block and its manufacturing method and forming mould. The energy-saving self-heat-insulation ceramsite building block is made of, by weight, 35-50% of ceramsite, 20-29% of cement, 15-30% of coal ash, 0.5-1% of fibers, 2-5% of foaming agent, 0.3-0.5% of water reducing agent, 0.1-0.3% of waterproof agent and 0.2-0.5% of catalyst, wherein the volume of the ceramsite accounts for more than 80% of that of the whole building block. The manufacturing method of the building block includes steps of material selecting, metering, stirring, pouring, vibrating, steaming, tube drawing for demoulding, cutting forming and stacking for rest. The forming mould of the building block can be used for once forming of multiple medium-sized rectangular ceramsite building blocks, and each building block can be conveniently cut into standard small ceramsite building blocks. The energy-saving self-heat-insulation ceramsite building block is high in ceramsite content and has the advantages of light weight, warm retention, heat insulation, sound insulation, sound adsorption, low water adsorption, fire resistance, freezing resistance, quake proofing, corrosion resistance and the like.

The invention comprises the following steps: (1) Stirring cement, stone dust, rock ballast and water to form base stock according to a certain weight proportion. (2) Putting the base stock in the lower mould frame of a mould, and prepressing the base stock in a hydraulic pressure moulding machine to form a base stock layer. (3) Stirring the solution mixed by cement, silver sand, colourful paint, water repellent and water according to a certain weight proportion to form a colourful material. (4) Filling the colourful material in the lower mould frame of the base stock layer, and pressing the colourful material with the hydraulic pressure moulding machine to form colourful decorated basso-relievo bricks. (5) Ejecting the basso-relievo bricks from the mould frame waiting to be used. (6) Stirring stone dust, rock ballast, cement and water separately according to a certain weight proportion to form a mixed material. (7) Pouring the mixed material in an air brick mould, shaking and pressing the mixed material to form a certain form. (8) Dipping the basso-relievo bricks in water and then taking out, putting the basso-relievo bricks on the air bricks, knocking and pressing the basso-relievo bricks, the grout flows in the flutes on the back of the basso-relievo bricks to make the basso-relievo bricks combine with the air bricks firmly. (9) Disassembling the mould, watering and maintaining the bricks after the bricks solidified.