31results about How to "To thicken" patented technology

The invention relates to a gypsum-based composite material for a self-insulation wall and a preparation method of the gypsum-based composite material. The material is prepared from dry materials and an aqueous solution, wherein the dry materials comprise semi-hydrated gypsum powder, cement, fly ash, quicklime, mineral powder, expansion silica gel and silica fume; the aqueous solution is prepared from a modified additive, a fine foaming agent and water. The dry materials are added after the aqueous solution is evenly stirred, the mixture is stirred rapidly continuously to be mixed with air, so that microbubbles are formed and can be mixed homogeneously with the gypsum mixture, and the production efficiency and the stability are improved. The gypsum-based composite material for the self-insulation wall has the advantages of being light, high in strength, thermal-insulating, sound-insulating, water resistant, alkali-resistant, capable of being molded through quick pouring and the like.

The invention relates to potato resistance increasing powder and potato steamed bun premixing powder with a function of lowering blood sugar and belongs to the technical field of food processing. The potato resistance increasing powder is obtained by crushing potatoes, standing and mixing washed sediment with water, then carrying out microwave, toughening and ageing treatment, and suction-filtering, drying and crushing aged potato pulp to obtain the potato resistance increasing powder. By using the microwave treatment, one part of amylopectin is degraded to form new short amylose so that the content of the amylose is increased. The toughening treatment moderately facilitates the rearrangement of amylose molecules so that the arrangement is relatively ordered; after the starch is aged, double-spiral structure are formed at the tail end regions of the amylose molecules; and the double-spiral structures are close to a spiral aggregating body under the effects of hydrogen bonds and Van der Waals force to form a stable crystal structure, so that the starch is not easy to degrade by enzymes and the content of resisting starch is improved. The potato resistance increasing powder is mixed with plain flour at a specific ratio to obtain the potato steamed bun premixing powder; and steam buns produced by the potato steamed bun premixing powder can be used for effectively controlling blood glucose of patients with diabetic nephropathy.

The invention discloses a concrete anti-bleeding inhibitor with a water reducing function and a preparation method thereof. The anti-bleeding inhibitor is mainly prepared by subjecting polyether largemonomer, unsaturated carboxylic acid, unsaturated amide, unsaturated sulfonic acid or sulfonate, a cross-linking agent, an oxidizing agent, a reducing agent, a chain transfer agent and deionized water to free radical polymerization at 15-30 DEG C through an aqueous solution, adding a sodium hydroxide solution to adjust a pH value and then supplementing water. According to the preparation method,production is conducted at normal temperature, no heat sources are needed, the equipment is simple, no pollution is generated, the production efficiency is high, and the anti-bleeding inhibitor can effectively solve the problems that existing polycarboxylic acid water reducers are poor in water retention and water absorption performance and workability, and bleeding and bottom holding are easy tooccur; the inhibitor has excellent thickening and water retention performance, and the degree of construction difficulty can be greatly reduced.

The invention discloses a buffalo milk active-bacteria whey beverage and a preparation method thereof. The whey beverage is obtained through the steps of: mixing byproduct whey generated in the preparation process of buffalo milk cheese with fermented buffalo sour milk in a certain ratio, appropriately adding sugar, a stabilizer and spice to obtain a mixture, then concocting, homogenizing and filling the mixture, so as to obtain the buffalo milk active-bacteria whey beverage. The whey beverage has the complete nutritional ingredients of the whey and the sour milk, contains protein, various amino acids, vitamins and mineral substances needed by human bodies, and especially contains various active proteins such as alpha-lactalbumin, beta-lactoglobulin, immune globulin, lactoferrin, lactoperoxidase and active lactobacillus which are contained in the whey; and the beverage is unique in flavor, exquisite in mouth feel, rich in nutrition, and capable of improving the gastrointestinal function and enhancing the immunity.

The invention belongs to the field of preparation of pork chops and particularly relates to a preparation method of a pork chop. The pork chop is prepared through the steps of carrying out accelerated thawing, deodorizing, tenderization and antiseptic treatment through a thawing solution prepared from 0.5-1.0wt% of NaCl, 10-15wt% of ginger juice and water; and carrying out vacuum rolling treatment through a compound condiment containing green tea juice, a water chestnut extracting solution, edible salt and the like for easily marinating. The prepared pork chop is delicious, fragrant, delicious, free of fishy smell, not greasy and easy to digest after being eaten; an additional preservative does not need to be added; and the refreshing time is long.

The invention relates to an anti-bacterial composite paint for fabrics and a preparation method of the anti-bacterial composite paint. The anti-bacterial composite paint is prepared from base material paint and surface paint, wherein the base material paint is prepared from the following raw materials in parts by weight: 60-70 parts of unsaturated polyester resin, 4-5 parts of silver-coated copper powder, 3-8 parts of 1,4-butanediol, 10-13 parts of triethylamine, 1-3 parts of nano-zinc oxide, and 0.2-0.5 part of jade powder; and the surface paint is prepared from the following raw materials in parts by weight: 10-15 parts of polyvinyl alcohol, 10-15 parts of tea tree oil, 8-9 parts of zinc sulfide, 1-5 parts of butadiene-styrene, 0.1-1.3 parts of adipic acid lipid polyester plasticizer, 1-4 parts of magniferous aluminum oxide, and 0.2-0.6 part of gaseous silicon dioxide. The paint for fabrics has good anti-bacterial property and is harmless to human body.

The invention discloses ginkgo health tea which comprises the following raw materials: honeysuckle, mother chrysanthemum, folium sennae, peach kernel, the root of kudzu vine, scutellaria baicalensis, rhizoma dioscoreae nipponicae, malt extract, ginkgetin, tea polyphenol, rebaudioside, vitamins, a thickening agent, a cosolvent, a dispersing agent, an antioxidant, a tasty agent and a flavoring agent. The ginkgo health tea is prepared by the following steps: performing liquid medicine extraction, preparation of clear paste, granulating, sterilizing and the like. The ginkgo health tea disclosed by the invention has effects of lowering lipid, reducing blood pressure, clearing away heat and toxic materials and beautifying and moistening skin, and the prepared drink is good in taste and mellow in aroma. After the tea is drunk with boiling water for three hours, purgation is caused, and the intestinal wastes are eliminated. The liver-protecting ginkgo tea disclosed by the invention is not added with any preservative or pigment and has pure natural plant extract, a technology of making tea by using cold water is broken, a low-temperature extraction technology is utilized, active ingredients in plants are not damaged, the tea is easily absorbed by the human body after drinking and is easy to dissolve and absorb, and the weakness of the traditional product is overcome.

The invention discloses a super-hydrophobic coating for corrosion prevention and freeze thawing resistance of concrete and a preparation method thereof. The super-hydrophobic coating for corrosion prevention and freeze thawing resistance of concrete comprises the following components in parts by mass: 78-96 parts of polymethylhydrosiloxane; 4-8 parts of gas-phase hydrophobic silicon dioxide; 0-0.5parts of Op-10; 0-2.5 parts of span-80; 0-1.0 parts of a thickening agent; and 0-15 parts of water. The super-hydrophobic coating for corrosion prevention and freeze thawing resistance of concrete can form a super-hydrophobic structure on the surface of concrete to prevent corrosion of liquid water and chloride ions; and water vapor in the concrete can escape through the coating, so that erosionof the water vapor to the interior of the concrete is reduced. The super-hydrophobic coating has good permeability, waterproofness and freeze-thaw resistance, is suitable for corrosion prevention andfreeze-thaw resistance of a concrete structure, is high in solid content and short in drying time, facilitates rapid construction and can greatly prolong the service life of concrete.

The invention discloses a waterproof ceramic tile adhesive integrating interface treatment, waterproofing and bonding. The waterproof ceramic tile adhesive is prepared from, by weight, 300 to 400 parts of cement, 10 to 90 parts of granulated blast furnace slag powder, 500 to 530 parts of fine sand of 30 to 120 meshes, 20 to 40 parts of limestone powder of 400 meshes, 2 parts of a water repellent agent of which the model is JTBON WR650, 3 to 4 parts of a water-retaining agent, 3 to 5 parts of a melamine type water reducing agent, 2 to 3 parts of a de-foaming agent, 34 to 39 parts of redispersible latex powder, 3 to 5 parts of bentonite and 1 to 5 parts of calcium formate. When the ceramic tile adhesive is used for construction operation, interface treatment, water prevention and decoration tile bonding can be realized only by smearing a layer of ceramic tile adhesive on a building, so that the construction procedures are reduced, and the cost is reduced.

The invention belongs to the chemical industry and in particular relates to a method for coating water-transferring printing backing paper. The method is characterized in that: the water-transferring printing backing paper is coated at one time by adopting a mixture prepared from the following components in the weight ratio of rubber powder to hydroxypropyl methylcellulose to polyacrylamide to water of 100:(1-5):(0.5-1):(250-350). The method comprises the following specific steps of: dissolving and stirring the rubber powder and the water in the ratio at the temperature of 85 to 95 DEG C at first; reducing the temperature to 45 to 55 DEG C, adding the proportionally prepared hydroxypropyl methylcellulose and stirring; after stirring, transferring the stirred glue into a reaction kettle of a high-speed stirrer, adding the proportionally prepared polyacrylamide and stirring. In the method, by adoption of one-time coating, the cost is lower and the yield rate is higher.

The invention provides a dispersoid and application of the dispersoid in protein gel food. The chlorella powder and the milk powder are compounded to serve as the dispersoid, when the dispersoid forms colloid in water, protease contained in the chlorella powder cooperates with sodium caseinate and other substances in the milk powder, so that the whole protein system forms a special gel structure, and animal polysaccharide dispersoid added in existing protein gel food can be replaced; the protein gel food containing the dispersoid is obtained, and the purpose of cleaning product labels is achieved through the mode. When the dispersoid is used for preparing the protein gel food, the dispersoid and soybean protein isolate or chickpea protein are compounded into gel to form a high-molecular organic polymer, so that the obtained protein gel food can still keep the original form after pasteurization, and can be preserved at normal temperature.

The invention relates to the technical field of jun porcelain glaze, in particular to jun porcelain sky blue glaze and a preparation method thereof. Frit is prepared from the following raw materials in parts by weight: feldspar, quartz, fluorite, talc, wollastonite and a phosphorus compound. The glaze slip is prepared from the following raw materials in parts by weight: frit, clay, ferric oxide, strontium carbonate, copper oxide, titanium oxide, cobalt oxide, manganese oxide and hydroxypropyl methyl cellulose; through quartz, fluorite, talc and a phosphorus compound, glaze pinhole defects areeliminated, glaze gloss is increased, finished product quality is improved, and glaze gloss is increased. The amounts of feldspar and quartz are reasonably configured, and a good middle layer is formed between the glaze layer and the green body so that the green body and the glaze are tightly combined; the thermal stress between the blank and the glaze is uniform, the stress between the blank andthe glaze is weakened, and the mechanical strength of the Jun porcelain is improved; through high-temperature 'reducing flame' and twice low-temperature 'oxidizing flame' calcination, colored metal generates different reactions at different temperatures to display different colors so that the sky blue glaze is variable in color.

The invention discloses an additive for stone-like paint protecting adhesive. The additive is prepared by mixing the following components in parts by weight: 70-80 parts of sodium alginate, 5-10 partsof sodium carboxymethyl cellulose and 15-20 parts of urea. The additive for the stone-like paint protecting adhesive has stable performance, does not change after storage at normal temperature for half a year, has good solubility at normal temperature and is convenient to use; the additive comprises sodium alginate, sodium carboxymethyl cellulose and urea, wherein sodium alginate has good thixotropy and thickening properties, and can be crosslinked with metal ions such as calcium to form particles with moderate softness; sodium carboxymethyl cellulose and sodium alginate play a synergistic role in thickening and suspending functions; and urea can prevent sodium alginate and sodium carboxymethyl cellulose from agglomerating during dissolution, and is easy to dissolve at normal temperatureand more convenient to use.

The invention provides gluten-protein-free dumpling wrappers produced by sweet potato coarse dietary fibers and a preparation method of the gluten-protein-free dumpling wrappers. The raw materials used for producing the gluten-protein-free dumpling wrappers comprise sweet potato coarse dietary fiber raw powder, sweet potato coarse dietary fiber ultrafine powder, sweet potato coarse dietary fiber nano powder, sweet potato modified starch, extruded and bulked sweet potato coarse dietary fiber powder, sweet potato coarse dietary fiber microwave treated powder, sweet potato starch, food gum, plant source polyphenol, protein, table salt and water and the like according to the weight ratio of (10-40) to (10-40) to (10-20) to (4-12) to (5-12) to (5-13) to (0.5-6) to (0.1-3) to (0.1-0.7) to (1-10) to (0.1-3) to (20-70) in sequence. After dumplings prepared by the gluten-protein-free dumpling wrappers produced by the sweet potato coarse dietary fibers are quickly frozen and cooked for proper time, the surfaces of the dumplings are not easy to break; the dumpling wrappers have a fine and smooth taste and slightly yellow color and luster, and are rich in components including protein, dietary fibers, vitamins, mineral elements and the like, so that the dumpling wrappers have better nutritional and health effects.

The invention relates to a filling slurry for a glass substrate, a preparation method thereof and a mixing device, wherein the slurry comprises 75-80% of alumina, 8-10% of water, 4-6% of polyacrylic acid ammonia, and carboxymethyl Cellulose 9-10%; when preparing, adjust the pH value of the water to 10-11 with ammonia water, then add alumina, polyacrylic acid ammonia and carboxymethyl cellulose in sequence, and stir for 24-30 hours to obtain; active in the mixing device The position setting of the roller shaft and the driving roller, the driven roller shaft and the driven roller, and the radius of the driving roller shaft and the driven roller shaft are the same, and the radius of the driving roller and the driven roller is the same. Under the action of the limit device, the driving roller The shaft and the driven roller shaft are set in parallel and have the same height, which can ensure that under the action of the motor, the first conveyor belt and the second conveyor belt, the driving roller shaft can drive the driven roller shaft to rotate, and the material barrel and the driving roller shaft can be connected by inherent friction. The rollers and driven rollers rotate synchronously to meet the time requirement of 24-30 hours for mixing materials.

The invention relates to an anti-microbial strengthening water-based paint additive and a preparing method thereof. The anti-microbial strengthening water-based paint additive is prepared from, by mass, 68.9-89.88% of deionized water, 5-15% of needle-like inorganic material crystal whisker, 5-15% of nano-zinc oxide anti-microbial agent, 0.01-0.05% of water-based dispersing agent, 0.01-0.05% of water-based coupling agent and 0.1-1% of anti-settling wetting agent. The anti-microbial strengthening water-based paint additive is characterized in that special preparation and dispersion methods are adopted for the needle-like inorganic material crystal whisker and the nano-zinc oxide anti-microbial agent, the problems of big difference between nanoparticles and particle aggregation are well solved, and the processed nano-zinc oxide has the advantages that size distribution is narrow, grain size is small and released anion concentration is large. By adding the anti-microbial strengthening water-based paint additive to a water-based paint product in the proportion of 5-15%, the product can have high anti-microbial property, film-forming property, scratch resistance and settling resistance.

The invention relates to the technical field of building material preparation, in particular to an environment-friendly ecological building material and a preparation method thereof, and the environment-friendly ecological building material is prepared from calcium carbonate, natural rubber latex, cellulose, a whitening agent, a moisture-proof agent, nano zinc oxide, a nano photocatalyst, latex powder, volcanic rock and purified water. The material is green and environment-friendly, formaldehyde can be adsorbed by adding the nano photocatalyst and the volcanic rock, harm of formaldehyde to the human body is avoided, meanwhile, the photocatalytic reaction similar to photosynthesis can be generated under the action of illumination, various organic compounds and part of inorganic substances can be oxidized and decomposed into carbon dioxide, and thus the material has high deodorization and mildew proof function. By adding the carboxymethyl cellulose and the lignocellulose, the functions of thickening, film forming, bonding and moisture retention can be achieved, and the crack resistance and the bonding property of the putty paste are improved to the maximum extent.

The invention discloses a multi-layer knitted vamp, and relates to the field of knitted fabrics. The multi-layer knitted vamp comprises a vamp body; the vamp body comprises at least two knitted layers; the two adjacent knitted layers form a knitted layer group; at least one part between the two knitted layers of at least one knitted layer group is independently knitted; the independently knitted parts of the two knitted layers are separated to form filled layers; and the filled layers can be filled with fillers. The vamp body comprises the two knitted layer groups; the two knitted layers of the two knitted layer groups are integrally knitted and formed; the first filled layer is formed between the two knitted layers; the second filled layer is formed between the two knitted layer groups; and the filled layers can be filled with corresponding fillers, so that the effect of thickening, warm keeping or decorating is achieved, and the whole knitted vamp is diversified in function.

The invention discloses a liquid food for weight-reducing postoperative patients and a preparation method thereof. According to the invention, substances for providing carbohydrates, substances for providing proteins, substances for providing fat, low-ester pectin, stevioside, composite vitamins and composite minerals are compounded to form the liquid food with low energy, high protein content andlow fat content. With the liquid food, the weight of a weight-reducing postoperative patient can be reduced, the resistance of the patient can be enhanced, the deficiency of vitamins and minerals ofthe postoperative patient can be prevented, the postoperative gastrointestinal function of the patient can be recovered, and the consumption of body proteins by the postoperative patient due to insufficient protein supplementation can be avoided. Besides, the product is brewed with warm water to form a semi-solidified liquid food, so that eating can be simulated, on one hand, the satiety of a patient is improved, on the other hand, the formed semi-solidified liquid food can ensure proper gastric emptying time, and postoperative reflux and toppling syndromes are effectively prevented.

The invention discloses a preparation method of a silica gel baking tray piece and relates to the technical field of silica gel baking tray preparation. Aiming at the problems that various use performance indexes of a conventional baking tray fail to satisfy production requirements, and the conventional baking tray is easy to adhere to a baked object,the following technical schemes are provided: The silica gel baking tray piece comprises the following raw materials in parts by weight: silica gel, a resin solution, a filler, a heat conducting agent, fumed silica, a modifier and silicone oil. According to the preparation method of the silica gel baking tray piece, a fumed silica surface modification means is adopted, the affinity of silica particles and a polymer can be improved, the structuralization phenomenon is fundamentally eliminated, the silica gel is reinforced, the tensile strength of the silica gel is improved, the weather resistance of the silica gel is improved, meanwhile, the silicone oil is adopted, and the silicone oil has excellent thermal oxidation stability, and excellent electrical insulation performance is realized; on the basis, the silicone oil in the silica gel baking tray can prevent the baked objects from being adhered to the baking tray, so that the condition that the baked objects are damaged is avoided.

The invention relates to a filling slurry for glass substrates, and a preparation method and a mixing device thereof. The slurry comprises, by mass, 75-80% of alumina, 8-10% of water, 4-6% of ammoniumpolyacrylate and 9-10% of carboxymethyl cellulose. The preparation method comprises the following steps: adjusting the pH value of the water to 10-11 by using ammonia water, sequentially adding the alumina, ammonium polyacrylate and carboxymethyl cellulose, and performing stirring for 24-30 h. A driving roll shaft and a driving roll of the mixing device are coaxially arranged, a driven roll shaftand a driven roll are coaxially arranged, the radius of the driving roll shaft is same to that of the driven roll shaft, the radius of the driving roll is same to that of the driven roll, and the driving roll shaft and the driven roll shaft are arranged in parallel and have the same height under the action of a limiter, so it is ensured that the driving roll shaft can drive the driven roll shaftto rotate under the action of a motor, a first conveyor belt and a second conveyor belt, a material barrel rotates synchronously with the driving roll and the driven roll by the inherent friction force, and the time requirement for mixing for 24-30 h is met.

The invention belongs to the technical field of modified synthesis of cellulose ether, and particularly discloses a preparation method of high-suspension, strong-rheology and anti-bleeding cellulose ether. The method comprises the following steps: synthesizing and preparing cellulose ether by a universal process flow; during subsequent synthesis, adding a water-soluble rheological polymerization modification monomer with a proper concentration ratio; and carrying out substitution treatment under the conditions of a proper catalyst and a water bath temperature to finally obtain the modified cellulose ether. According to the invention, the cellulose ether has the advantages of high water-retaining property, low viscosity, high suspension, strong rheology, sedimentation resistance and the like, is used in self-leveling mortar, grouting materials, grouting agents, high-performance concrete and other mortars, can ensure high fluidity and pumpability, avoid the phenomena of sand setting, bleeding, layering, segregation and the like during construction, maintain the cohesive viscosity of pouring self-leveling, grouting materials and concrete and ensure the uniformity and the stability ofhardened mortar, and avoids the quality problem.

The invention provides a low-VOC (Volatile Organic Compound) environment-friendly concrete interface treating agent. The low-VOC environmental-friendly concrete interface treating agent is prepared by cross-linking reaction of sepiolite with grafted end vinyl and carboxylhyperbranched polyester, vinyl acetate-vinyl copolymer emulsion, polyethyleneimine and trimethylolpropane-tri(3-aziridinyl propionate). The low-VOC environmental-friendly concrete interface treating agent provided by the invention has the advantages that the VOC is lower, the viscosity is good, and the problems of high volatilization and environmental pollution in the traditional interface treating agent are effectively solved.

The invention discloses alum-free vermicelli and a making method thereof. The alum-free vermicelli comprises 60-100 parts of potato starch, 15-25 parts of cassava starch, 0.1-0.3 part of a compound emulsion stabilizer and 5-15 parts of sodium carboxymethylcellulose. The compound emulsion stabilizer and the sodium carboxymethylcellulose in the alum-free vermicelli mainly play roles of thickening, stabilizing viscosity and stabilizing tissues, so that the vermicelli has good toughness and glossiness, and is smooth to taste. Alum can be replaced, so that the problem of health hidden dangers in existing vermicelli is solved. The alum-free vermicelli disclosed by the invention provides a fundamental solution for eating safety of vermicelli, meets the demand on food safety of the state, and can be widely applied to food industry.

The invention discloses an anal fissure yolk cream and a preparation method thereof and relates to the field of medical medicines. The cream comprises the following raw materials in percentage by weight: 70%-90% of yolk oil, 1%-10% of poly-C10-30 alkanol acrylate, 1%-10% of hydrogenated polybutylene, 1%-10% of white beeswax and 0.05%-0.15% of ethylparaben. The yolk oil is used as a main raw material, egg yolk which is used for clearing heat, moistening skin, diminishing inflammation, relieving pain, astringing vitality and protecting the wound surface play a treatment effect on the affected part of the anal fissure. With the thickening function of the poly-C10-30 alkanol acrylate, the hydrogenated polybutylene and the white beeswax, the yolk oil is made into the cream from liquid oil, theingredients and the technology are simple, smearing is convenient and fast, in addition, the addition of the ethylparaben can destroy the cell membrane mechanism of microorganisms at the affected part, the antibacterial effect is achieved, the good treatment effect on pain and hematochezia caused by anal fissure is achieved, and if used properly, the cream can help a patient to avoid the pain of an operation.

The invention discloses a soft-capsule health food used for relaxing the bowels and a preparation method thereof. The soft-capsule health food used for relaxing the bowels is composed of capsule liquid and capsule shell; the capsule liquid is prepared from whole Chinese aloe leaf dry-powder, lotus leaves, radix astragali, soybean oligosaccharides, tree peony seed oil, soybean phospholipids and beeswax; and the capsule shell is prepared from gelatin, glycerine, water, pigments and titanium dioxide. The preparation method of the soft-capsule health food used for relaxing the bowels orderly comprises the following steps of performing pretreatment on raw materials, carrying out ethanol extraction, blending the capsule liquid, blending the capsule shell, preparing capsules and so on. The soft-capsule health food used for relaxing the bowels is rational in formula, balanced in functions and capable of playing overall regulation advantages as well as regulating functions of the internal organs of the body; and thus, the soft-capsule health food is good for facilitating relaxing of the bowels. Moreover, the soft-capsule health food used for relaxing the bowels is free of adverse reactions,high in long-term consumption safety and free of dependency.

The invention discloses an acidic wastewater treatment device and a use method thereof, belongs to the technical field of chemical industry, environmental protection and water treatment, and solves the problem that a lot of acidic waste water produced in production of acids from non-ferrous metal smelting off-gas is difficult to treat. The acidic wastewater treatment device comprises a washing tower, an absorption tower, a filtering pressing separating device, an evaporating concentrating device and a tail gas discharging device, and the process comprises filter pressing purification, evaporation concentration and tail gas discharge. External discharge acid wastewater from the washing tower drainage of the purification system is beaten into a filter press for filter pressing purification for removal of acid sludge, impurities and the like in the acid wastewater, filtration slag is sent into smelting for recycling, the waste material is recycled, filtrate is sent into an evaporating tower, in the evaporating tower, the acid wastewater is sprayed and in countercurrent contact with a low water content dry flue gas entering the evaporating tower from the outlet of the absorption tower for adiabatic evaporation of the acid wastewater, and part of water in the acid wastewater is transformed from liquid state to gas state, so that the low water content dry flue gas carries water vapor to take away a lot of water so as to achieve acid wastewater evaporation and concentration and reduction of the total amount of the external discharge acid wastewater.

The invention provides a low-volatility environment-friendly building interior concrete interface treating agent. The low-volatility environment-friendly building interior concrete interface treating agent is prepared by carrying out a crosslinking reaction among attapulgite grafted with a maleic acid-terminated ester group and vinyl hyperbranched polyester, a vinyl acetate-ethylene copolymer emulsion, polyethyleneimine and trimethylolpropane-tris[3-(2-methylaziridinyl)propionate]. The low-volatility environment-friendly building interior concrete interface treating agent has low VOC (volatile organic compounds) content and good viscosity, and effectively solves the problems that the conventional interface treating agent is high in volatility and is not environmentally friendly.