35results about How to "Dissolves quickly" patented technology

The invention discloses a dispersive solid fluid loss agent for seawater cement slurry and a preparation method of the dispersive solid fluid loss agent. The preparation method comprises the following steps: (1) dissolving allyl polyethylene glycol and carboxylic acid monomers into water; (2) adding 2-acrylamido-2-methylpropanesulfonic acid and acrylamide monomers, uniformly stirring, heating, and adjusting the pH value, so as to obtained a mixed solution; and (3) adding an initiating agent into the mixed solution to react to generate faint yellow viscous liquid, and carrying out freeze drying, grinding or crushing. The dispersive solid fluid loss agent disclosed by the invention is capable of blocking pores of cement without thickening a cement slurry system and is suitable for being used as an oil-well cement fluid loss agent. The dispersive solid fluid loss agent has relatively strong dispersive capacity and hydrability to cement slurry, so that the fluid loss control effect and salt tolerance of the fluid loss agent are improved, and the fluid loss control capacity of nonionic group acylamino enhanced cement slurry is improved. The dispersive solid fluid loss agent is easy to store and convenient to transport, and the slurry is easily stirred. The sedimentary stability of a slurry body is good, thixotropy does not easily occur, and the delayed coagulation side effect is avoided.

The invention relates to a water-soluble coenzyme Q10 compound and a preparation method thereof, belonging to the technical field of fine chemical industry. The product is a compound of mono-[6-dithylenetriamine]-6-deoxizing]-beta-cyclodextrin and coenzyme Q10. The preparation method comprises the following steps of: (1) dissolving the coenzyme Q10 in tetrahydrofuran, adding the obtained solution to a mono-[6-dithylenetriamine]-6-deoxizing]-beta-cyclodextrin water solution, and stirring for 2-4 days at 20-40 DEG C for reacting, wherein the molar ratio of the poured coenzyme Q10 to the poured mono-[6-dithylenetriamine]-6-deoxizing]-beta-cyclodextrin is 1: 1-1: 3; and (2) evaporating to remove the tetrahydrofuran, filtering to remove the coenzyme Q10 which does not participate in inclusion, evaporating the obtained filtrate to dryness to obtain crystals and drying in vacuum. In the invention, a solid compound obtained through preparing by adopting a supermolecular method and separating can rapidly dissolve in water so that the water solubility of the coenzyme Q10 is improved to 1.52mg / mL from the original 8.0*10-5mg / mL, with 19,000 times of solubilization. The compound prepared by adopting the preparation method disclosed by the invention can be used as a substitute of the coenzyme Q10 to be applied to clinic, and a new water-soluble controlled-release compound is provided for clinical trial of the coenzyme Q10.

The invention relates to a traditional Chinese medicine automatic extraction and separation device and an extraction and separation method and an application thereof. The traditional Chinese medicineautomatic extraction and separation device is characterized in that the extraction and separation device comprises a dynamic extraction tank and a combined solid-liquid separation module; after extraction, extraction solution and dregs in the dynamic extraction tank are introduced into the combined solid-liquid separation module for solid-liquid separation; the combined solid-liquid separation module comprises three solid-liquid separation devices. The traditional Chinese medicine automatic extraction and separation device has the advantages of improving the adaptability of traditional Chinesemedicine extraction and the filtration efficiency of traditional Chinese medicine extracts, strengthening separation, and reducing production cost and consumption.

The invention discloses a solid thermoplastic acrylic resin special for PP (polypropylene), comprising the following components in percentage by mass: 35-45% of styrene, 15-25% of methyl methacrylate, 14-23% of vinyl acetate, 10-20% of high chlorinated polypropylene, 3-5% of high chlorinated polyvinyl resin, 0.7-1.2% of dibenzoyl peroxide and 0.7-1.2% of crylic acid. The invention also discloses a preparation method of the acrylic resin, comprising the steps of: heating proper deionized water to 75 DEG C and adding mixing monomer for polymerization, carrying out polymerization after heating the mixture to 88-95 DEG C and applying pressure to 0.5-1kg, reacting for 60min, finishing the polymerization at 108-112 DEG C, cooling after keeping temperature for 45min, discharging, dehydrating and drying. The solid thermoplastic acrylic resin can be directly prepared into printing ink and painting, reduce the construction difficulty and painting time, and has time and labor saving, low cost, good film-forming property and adhesion and high gloss.

The invention provides interior-exterior wall putty powder with high water resistance. The interior-exterior wall putty powder is mainly prepared from the following ingredients in parts by mass: 750 to 800 parts of sulphate aluminum cement, 10 to 20 parts of black cement, 100 to 200 parts of 80-mesh quartz sand, 12 to 14 parts of calcium chloride, 7 to 8 parts of lithium chloride, 4 to 7 parts oftalcum powder, 4 to 8 parts of zinc stearate, 4 to 7 parts of hydroxypropyl methyl cellulose, 4 to 8 parts of water reducing agent, 3 to 5 parts of wollastonite powder, 1 to 2 parts of titanium dioxide, 5 to 12 parts of sodium hexametaphosphate, 70 to 80 parts of coarse whiting powder, 40 to 50 parts of heavy calcium carbonate powder, 2 to 3 parts of gelatin powder and 5 to 10 parts of ash calciumpowder. According to the interior-exterior wall putty powder disclosed by the embodiment of the invention, all kinds of raw materials are organically combined and scientifically processed; thus, theinterior-exterior wall putty powder can be utilized as exterior wall putty powder and also can be utilized as interior wall putty powder.

The invention relates to a polyether-modified organic silicon polymer defoaming agent which is characterized in that a polymer uses polyether obtained by carrying out polymerization reaction on maleic anhydride, crylic acid, diacetone acrylamide and some straight-chain alkenyl ether to carry out graft modification on organic siloxane. A preparation method of the defoaming agent comprises the following steps: firstly carrying out free radical reaction on the maleic anhydride, the crylic acid, the diacetone acrylamide and the straight-chain alkenyl ether with 8-20 oxyalkylene units to obtain the polyether polymer and then carrying out graft reaction on the organic siloxane through polyether under the catalysis of platinum to obtain the polyether-modified organic silicon polymer defoaming agent. The polyether-modified organic silicon polymer defoaming agent has the benefits that polyether-modified polysiloxane can be directly used for defoaming without adding any aid and compounding, the defoaming performance and the foam inhibiting performance are good, and the polyether-modified organic silicon polymer defoaming agent can be quickly dissolved into water, is good in stability, can not generate precipitation and has good application prospect.

The invention relates to an automatic extraction and separation method of seed-type medicinal materials. The automatic extraction and separation method comprises a dynamic extraction step and three steps of solid-liquid separation arranged after the dynamic extraction. By adopting the automatic extraction and separation method of the seed-type medicinal materials, the solid-liquid separation problem in the extraction process of active ingredients of the seed-type medicinal materials can be effectively solved, the traditional packet decocting method which is time-consuming and labor-consuming is abandoned, and the extraction and separation efficiency can be greatly improved.

The invention belongs to the technical field of edible oil processing and particularly relates to a method for leaching camellia oleifera seed oil by using a high pressure homogenization technology. The technical scheme is that the method comprises the steps of pretreatment of camellia oleifera seeds, puffing of the camellia oleifera seeds, suspension mixing, high pressure blasting, low temperature crude separation, distillation for solvent removal and crude oil refining. Through the high pressure homogenization technology, the camellia oleifera seeds undergo high temperature and instant blasting treatment at 50 MPa, so that oil-containing cells are destroyed thoroughly, and oil can be quickly and fully dissolved in a leached solvent. Compared with various oil leaching technologies disclosed currently, the method can improve leaching efficiency and is low in energy consumption, the high-purity high-quality oil can be obtained, so that the cost of the camellia oleifera seed oil is reduced, and the economic benefit is improved.

The invention discloses a method for quickly extracting papaya seed oil, comprising the steps of washing papaya seeds, drying at low temperature until water content is < / =5%, crushing the dried papaya seeds, and screening with a 40-mesh screen; adding an extracting agent to the screened papaya seed powder, and stirring and mixing; inserting an ultrasonic transmitting probe directly into extracting solution with the papaya seed powder, and ultrasonically crushing and extracting for 10-90 s; after extracting, performing suction filtering, and removing residue to obtain extract; evaporating the collected extract to recycle a solvent, and performing vacuum drying to obtain the papaya seed oil. The papaya seed oil is extracted by ultrasonic crushing in the invention, the ultrasonic transmitting probe is inserted directly into the solvent with papaya seed powder, the papaya seed powder is subjected directly to ultrasonic action, papaya seed oil in the papaya seed powder is accelerated to quickly dissolve in the solvent, the technical cycle is significantly shortened, extracting efficiency is improved, the cost is lowered, and the method is highly worthy of popularization and application.

The invention discloses nano-iron chemical preparing and in-situ injecting synchronous integrated equipment. The nano-iron chemical preparing and in-situ injecting synchronous integrated equipment comprises a nano-iron chemical producing system, an automatic control system, an in-situ injecting and monitoring system and the like. The nano-iron chemical producing system and the in-situ injecting and monitoring system are connected in series, the automatic control system is connected with the nano-iron chemical producing system and the in-situ injecting and monitoring system to achieve integrated control, and chemical producing and chemical injecting are conducted synchronously. The chemical producing system enables chemicals to be mixed and reacted sufficiently by adopting a stirring mode of high shear, and therefore the production efficiency is enhanced. The whole equipment enhances the degree of dispersion of the chemicals, and the time from chemical producing to chemical injecting is shortened, so that the problems of agglomeration and inactivation of nano-iron chemical in the processes of producing, storing, transporting and the like are solved.

The invention relates to a black Chinese wolfberry effervescent tablet and a preparation method thereof, and belongs to the technical field of food handling. The black Chinese wolfberry effervescent tablet is prepared by taking black Chinese wolfberry extracting solution freeze-dried powder, citric acid, alkali source, water-soluble starch, saccharose and a wrapping agent as raw materials, the preparation method comprises the following steps: (1) crushing and mixing the black Chinese wolfberry extracting solution freeze-dried powder and partial citric acid; (2) taking out crushed and mixed materials and adding into the water-soluble starch to mix again, preparing into a soft material by taking alcohol as a sizing agent, and preparing into granules, drying until controlling the water content is between 2.2% and 3.5%; (3) mixing the granules prepared in the step 2, the alkali source, residual citric acid, the saccharose and the wrapping agent, and pressing into an effervescent tablet. The effervescent tablet provided by the invention has the advantages that dissolution effect taking is quick, anti-oxidation shelf life is long, disintergration in water is quick, color is stable and is pink, the mouthfeel is good, especially applicable for being eaten by children, aged people and patients unable to swallow.

The invention discloses a flocculating agent and a preparation method and application thereof. The flocculating agent comprises a starch structural unit, a zwitterionic monomer structural unit, a polyether structural unit and a cross-linking agent structural unit, and the preparation method comprises the steps that zwitterionic graft copolymerization modified starch, polyether and water are mixed evenly, and then a cross-linking agent is dropwise added for a cross-linking reaction; and association reaction is conducted on the obtained cross-linked product and an inorganic salt solution to obtain the flocculating agent. The modified starch flocculant prepared by the invention has the advantages of quick flocculation effect, low biotoxicity, low cost and the like, and the removal rate of COD (Chemical Oxygen Demand), turbidity and suspended matter can reach 90% or above at a relatively low use amount.

The invention relates to an automatic extraction and separation method for starch traditional Chinese medicines. The method includes a solid-liquid separation step for an extracting solution obtainedby dynamic extraction, wherein the separation step sequentially utilizes a primary centrifuge or a slag remover, a filtering solid-liquid separator and a secondary centrifuge to preform combined solid-liquid separation on the extracting solution and medicine slags flowing out of a dynamic extraction tank. Three-stage solid-liquid separation equipment is adopted to preform continuous operation, filtering bottleneck and blockage cannot be generated, continuous production can be realized, the production efficiency is high, the cost is low, and the separated product has high light transmittance and less precipitation.

The invention relates to a hydrolysis pesticide and a preparation method of the hydrolysis pesticide. The hydrolysis pesticide includes the following components according to weight percent: 10-15% of Emamectin benzoate, 1-5% of abamectin, 1-5% of chlorantraniliprole, 15% of urea, 15% of sodium lignin sulfonate and the balance of filler, and also includes 0.2-5% of sulfonated oil. When the hydrolysis pesticide is prepared, all the components are added into a mixer to be mixed uniformly and then crushed, the average grain diameter of the mixture is 30-60mum, and then water is added into the mixture, so that the mixture is wetted, and then granulated, dried and packaged. The hydrolysis pesticide has broad-spectrum applicability and excellent hydrolysis, can be dissolved in water rapidly, and is convenient to use.

The invention provides an alcohol-substituting glue which comprises the following components by weight percent: 40%-50% of montmorillonite inorganic gel, 4%-5% of sodium bentonite, 30%-35% of hydroxypropyl methyl cellulose (HPMC), 10%-12% of acrylamide and 4%-5% of corn starch; and the montmorillonite inorganic gel is Laponite or Magnabrite imported from Great Britain. The alcohol-substituting glue can substitute traditional polyvinyl alcohol, be quickly dissolved in cold water and be convenient for use; the alcohol-substituting glue has excellent film forming property, water retention property, thickening property, effect of keeping flat and dispersibility, and is green and environment-friendly; and 120kg of water needs to be added in each kg of the alcohol-substituting glue, when being used as a putty for interior and external walls or a toughened coating, each ton only needs 5-6kg, when being used as mortar, each ton only needs 2-3kg, and the alcohol-substituting glue can be widely applied in the fields of building mortar, putty, chemical building materials and the like.

The invention relates to a solar energy water-fertilizer irrigation machine, which is characterized in that: the top of a mixing chamber is provided with a solar panel through a bracket, a crushing device is arranged at the mixing chamber bottom, a heating tube is arranged inside the mixing chamber and is connected to a temperature control alarm device, a drive motor and rotating blades are disposed at the mixing chamber bottom, the rotating blades are movably connected to a rocking handle, the drive motor is equipped with a protector, the mixing chamber is equipped with a silencing device, a one-way valve is arranged between a cooling tower and the mixing chamber, the cooling tower bottom is provided with a water pump, which controls the entry of a mixed solution into a condenser tube, the condenser tube is in a snake shape and is movable provided with a shower nozzle, the cooling tower is provided with a water outlet that is equipped with a water temperature display instrument, the cooling tower is equipped with a storage box and a double-layer structure sandwiched rock wool, the mixing chamber is provided with an electrostatic adsorber and a storage bin, a hinge is arranged between the cooling tower and the mixing chamber, and the cooling tower and the mixing chamber are both provided with supporting legs. The solar energy water-fertilizer irrigation machine disclosed in the invention can realize uniform irrigation and fertilization on farmland.

The invention relates to a water-fertilizer irrigation machine with a silencing device. The irrigation machine is characterized in that: a crushing device is disposed at the bottom of a mixing chamber, in which a heating tube is arranged, the heating tube is connected to a temperature control alarm device, a drive motor and rotating blades are disposed at the the bottom of the mixing chamber, the drive motor is provided with a protector, the mixing chamber is equipped with the silencing device, a one-way valve is arranged between a cooling tower and the mixing chamber, a water pump is arranged at the bottom of the cooling tower, the water pump controls the entry of a mixed liquid into a condenser pipe, which is in a snake shape and is movably provided with a shower nozzle, the cooling tower is equipped with a water outlet, a storage box and a bilayer structure sandwiched rock wool, the mixing chamber is provided with an electrostatic adsorber and a storage bin, a hinge is arranged between the cooling tower and the mixing chamber, and the cooling tower and the mixing chamber are both provided with supporting legs. The water-fertilizer irrigation machine provided in the invention can realize uniform fertigation on farmland.

The invention discloses an insect resistance planting method for chili, and belongs to the technical field of chili. The method comprises the following steps that step one, chili seeds are soaked in apotassium manganite solution, ultrasonic waves are utilized for conducting ultrasonic treatment, then the chili seeds are placed in warm water for soaking, and finally the chili seeds are subjected to pregermination until the seeds sprout; step two, the seeds sprouting are sowed in soil; step three, a miscellaneous fertilizer and a compound fertilizer are applied for a long term in the chili plant growing period; step four, in May and June, tuberous roots of white hellebore and seeds of milfoil are smashed and mixed, then the mixture of white hellebore and milfoil is laid beside chili seedlings, ethyl alcohol is sprayed on the mixture, the mixture is cover with film, and after 5-7 days, the mulching film is uncovered. The prevention and control method solves the problem that the chili isdamaged by tetranychuscinnabarinus, it is not necessary to spray pesticide on the chili, and it is avoided that the amount of pesticide residues remaining on the chili is high, and after eating, the human health is influenced.

The invention relates to a production line for refining and purifying crude gold, a crude gold pulverization device and a spraying pipe. The crude gold pulverization device comprises a gold powder collecting barrel and a high-pressure water supply system, an inlet and an outlet are formed in the upper end and the lower end of the gold powder collecting barrel respectively, an opening and closing valve is arranged at the outlet, the spraying pipe is arranged at the inlet, an annular cavity is formed inside the pipe wall of the spraying pipe, the annular cavity is connected with the high-pressure water supply system through a water pipe arranged on the cavity wall of the annular cavity, a plurality of water spraying holes communicating with the annular cavity are formed in the lower end surface of the spraying pipe in the circumferential direction at intervals, and the axes of the plurality of water spraying holes intersect with the axis of the spraying pipe at one point. The high-pressure water supply system provides water pressure power for water entering the annular cavity of the spraying pipe, and the water is sprayed out from the water spraying holes, so that high-pressure spraying water lines are generated, all the high-pressure spraying water lines are converged to one point, and then the gold powder can be pulverized into gold powder with smaller particles; and the obtained gold powder can be rapidly dissolved in sodium chlorate, the structure is simple, and the cost is low.

The invention belongs to the technical field of silicon dioxide, and in particular relates to a preparation method of silicon dioxide with high oil absorption value and high water absorption capacity for washing powder. The method comprises: S1, preparing S into a sodium silicate solution and a sodium hydrogen carbonate solution; S2, adding water into a reaction tank, performing heating, and simultaneously, dropwise adding the sodium silicate solution and the sodium hydrogen carbonate solution; S3, performing heating, continuously adding the sodium silicate solution, then dropwise adding the sodium hydrogen carbonate solution, performing titration of sulfuric acid until the end point, and performing aging to obtain a head product; S4, performing pressure filtration on the head product, then putting the head product into an agitator tank, adding a mixed solution of hydrogen peroxide and sulfuric acid, and performing agitation to obtain silicon dioxide; and S5, performing pressure filtration washing on the obtained silicon dioxide, and performing crushing to obtain a product. The silicon dioxide prepared by the method has high oil absorption value and high water absorption capacity, and can be used as a detergent assistant to enable the washing powder to have better solubility, dispersity, adsorbability and decontamination ability.

The utility model relates to the field of large bobbin paper, in particular to large bobbin paper easy to dissolve in water. The large bobbin paper aims at solving the technical problems that in the prior art, bobbin paper is single-layer, dry and stiff, and not prone to being dissolved in a closestool, and meanwhile the large bobbin paper is prone to rolling down to cause paper pollution. The utility model relates to water-soluble large bobbin paper, which comprises a shell, a rotating shaft and a paper core assembly, by means of the positioning assembly, large bobbin paper can be stably fixed to the ceramic tile wall face of a toilet, the lifting assembly is matched with the disinfection assembly to clamp the tissue, the tissue makes full contact with disinfection gel, meanwhile, the tissue cannot fall back into the shell, the disinfection gel is evenly smeared on the upper surface of the tissue through the disinfection assembly, and the tissue can be conveniently disinfected. According to the paper towel, the paper towel is more soft, the slightly wetted paper towel can be more rapidly dissolved in water when being thrown into a closestool, the paper core of the large bobbin paper adopts a double-layer raw wood pulp paper design, the thickness of the paper towel is increased on the premise that the instant solubility of the paper towel is guaranteed, and the toughness of the paper towel can be greatly improved.

The utility model discloses fish culture water purification equipment, which relates to the technical field of fish culture and comprises a culture chamber and a purification equipment body, the purification equipment body comprises a stirring chamber, a purification chamber is arranged above the stirring chamber, the output end of the purification chamber penetrates through and extends into the stirring chamber, a first water suction pump is arranged on the left side of the purification chamber, and a second water suction pump is arranged on the right side of the purification chamber. A water pumping pipe is installed at the input end of the first water pump, a telescopic pipe is slidably installed on the inner wall of the water pumping pipe, the output end of the first water pump penetrates and extends into the purification chamber, and a filtering mechanism is arranged in the purification chamber. According to the aquaculture water purification device, aquaculture water can be filtered through the first filter screen and the second filter screen in the purification chamber and then enters the stirring chamber, the PH value measuring probe detects the PH value content in the aquaculture water at the moment, corresponding measures are adopted in a targeted mode according to the tested numerical value, an alum agent is put when the value is too high, and a substrate modifier is put when the value is too low; the purification effect of the purification equipment body is better on the whole, and the practicability of the equipment is improved.

The invention relates to an automatic extraction method for precious and fine traditional Chinese medicine. The extraction method adopted in the invention can improve the extraction efficiency and the transfer rate of effective components. The invention also adopts three-stage solid-liquid separation equipment, which can carry out continuous operation and does not A filtration bottleneck is generated, no blockage occurs, continuous production can be realized, the production efficiency is high, the cost is low, and the separated product has good solubility, high clarity and less sedimentation.

The invention relates to the field of fabric desizing, in particular to silk washing equipment with a periodical self-feeding function. The silk washing equipment with the periodical self-feeding function comprises a water washing tank and a guide roller arranged in the water washing tank, wherein the water washing tank is a tank with an opening in the top; the guide roller comprises two first roller bodies symmetrically arranged at the opening of the water washing tank and a plurality of second roller bodies arranged in the water washing tank; each second roller body is further provided with a feeding mechanism; the water washing tank is further provided with a driving device used for controlling one feeding mechanism to achieve opening or closing of the output end of the feeding mechanism; and linkage mechanisms used for mutual connection are further arranged among all the feeding mechanisms. According to the silk washing equipment with the periodical self-feeding function provided by the invention, desizing liquid is added into the second roller bodies through the feeding mechanism, so that the desizing liquid can better act on silk during desizing film removal of the silk, the silk film removal effect is improved, and the subsequent processing work of the silk can be smoothly carried out.

The invention discloses a high-efficiency additive for machine-sprayed mortar, which is composed of the following components in parts by weight: 40-60 parts by weight of water-retaining agent, 1-3 parts by weight of coagulation-adjusting enhancer, and 5-8 parts by weight of water-reducing agent 10-15 parts by weight of the anti-cracking agent, 0.1-0.8 parts by weight of the air-entraining agent, and 20-40 parts by weight of the filler. The invention uses powdery raw materials, is suitable for dry-mixed mortar, and has a wide application range; the machine-sprayed mortar added with the additive of the invention is easy to be applied to the wall, easy to be scraped, easy to receive light, has good crack resistance effect, and has broad application prospects.

The invention discloses a sugar-free traditional Chinese medicine mate effervescent tablet and a preparation method thereof. The sugar-free traditional Chinese medicine mate effervescent tablet comprises the following specific components in percentage by weight: 0.01-30% of a sweetening agent; 0.01%-25% of an aromatic agent; 0.01%-20% of beta- cyclodextrin; 10%-70% of an acid agent and an alkali agent; 1%-10% of a filler; 1%-5% of a lubricant; 0.01%-0.04% of a coloring agent; and 1%-10% of a flavoring agent. The preparation method comprises the following steps: respectively preparing compositeacid granules and composite alkali granules by adopting a wet granulation process, uniformly mixing the prepared composite acid granules and composite alkali granules, adding a lubricant and a coloring agent, finally uniformly mixing, and tabletting to prepare 2g / tablet sugar-free traditional Chinese medicine mate effervescent tablets. The sugar-free traditional Chinese medicine mate effervescenttablet disclosed by the invention does not contain any sugar component capable of increasing blood sugar and causing decayed teeth, and has the advantages of small volume, refined dosage, no need ofstirring, high dissolving speed and the like.

The invention discloses a dispersive solid fluid loss agent for seawater cement slurry and a preparation method of the dispersive solid fluid loss agent. The preparation method comprises the following steps: (1) dissolving allyl polyethylene glycol and carboxylic acid monomers into water; (2) adding 2-acrylamido-2-methylpropanesulfonic acid and acrylamide monomers, uniformly stirring, heating, and adjusting the pH value, so as to obtained a mixed solution; and (3) adding an initiating agent into the mixed solution to react to generate faint yellow viscous liquid, and carrying out freeze drying, grinding or crushing. The dispersive solid fluid loss agent disclosed by the invention is capable of blocking pores of cement without thickening a cement slurry system and is suitable for being used as an oil-well cement fluid loss agent. The dispersive solid fluid loss agent has relatively strong dispersive capacity and hydrability to cement slurry, so that the fluid loss control effect and salt tolerance of the fluid loss agent are improved, and the fluid loss control capacity of nonionic group acylamino enhanced cement slurry is improved. The dispersive solid fluid loss agent is easy to store and convenient to transport, and the slurry is easily stirred. The sedimentary stability of a slurry body is good, thixotropy does not easily occur, and the delayed coagulation side effect is avoided.

The invention discloses a flocculant, a preparation method and application thereof. The flocculant comprises a starch structural unit, a zwitterionic monomer structural unit, a polyether structural unit and a cross-linking agent structural unit. In the preparation method, the amphoteric ion graft copolymerization modified starch, polyether and water are mixed, and the cross-linking agent is added dropwise to carry out cross-linking reaction after mixing evenly; . The modified starch flocculant prepared by the invention has the advantages of fast flocculation effect, low biological toxicity, low cost and the like, and the removal rate of COD, turbidity and suspended solids can reach more than 90% at a low usage amount.

The invention provides an alcohol-substituting glue which comprises the following components by weight percent: 40%-50% of montmorillonite inorganic gel, 4%-5% of sodium bentonite, 30%-35% of hydroxypropyl methyl cellulose (HPMC), 10%-12% of acrylamide and 4%-5% of corn starch; and the montmorillonite inorganic gel is Laponite or Magnabrite imported from Great Britain. The alcohol-substituting glue can substitute traditional polyvinyl alcohol, be quickly dissolved in cold water and be convenient for use; the alcohol-substituting glue has excellent film forming property, water retention property, thickening property, effect of keeping flat and dispersibility, and is green and environment-friendly; and 120kg of water needs to be added in each kg of the alcohol-substituting glue, when being used as a putty for interior and external walls or a toughened coating, each ton only needs 5-6kg, when being used as mortar, each ton only needs 2-3kg, and the alcohol-substituting glue can be widelyapplied in the fields of building mortar, putty, chemical building materials and the like.