38results about How to "Improve the coagulation effect" patented technology

The utility model relates to a tubular ultrasonic coagulation inclined tube sedimentation tank, which belongs to the field of sewage treatment equipment and comprises a lifting pump, an ultrasonic generation component and an inclined tube sedimentation tank. The ultrasonic generation assembly comprises a frequency-adjustable ultrasonic generator, a tubular ultrasonic coagulation reactor, an ultrasonic transducer, an ultrasonic amplitude-change pole and an ultrasonic emission head; the ultrasonic emission head is connected with the tubular ultrasonic coagulation reactor, and the frequency-adjustable ultrasonic generator is connected with the ultrasonic transducer; the ultrasonic amplitude-change pole is connected between the ultrasonic transducer and the ultrasonic emission head; an outlet of the lifting pump is communicated with a water inlet of the tubular ultrasonic coagulation reactor; a water outlet of the tubular ultrasonic coagulation reactor is communicated to the inclined tube sedimentation tank through a pipeline; the device is simple in structure, high in reaction speed, small in size, capable of being directly installed on a pipeline for use, adjustable in reaction strength and long in service life. The solid-liquid separation efficiency of the inclined tube sedimentation tank can be improved, and the effect of removing SS, TP, COD, algae, turbidity and the like is achieved.

The invention provides a foam dust suppression material as well as a preparation method and application thereof. The foam dust suppression material comprises a foaming agent, a surfactant, a thickening agent, inorganic salt and a solvent; wherein the foaming agent comprises soybean protein isolate and / or collagen; the surfactant comprises an anionic surfactant and / or a nonionic surfactant; the inorganic salt comprises one or more of potassium sulfate, magnesium chloride, sodium sulfate and sodium chloride. According to the foam dust suppression material, specific components are adopted, all the components cooperate with one another, and the dust suppression material is high in foaming rate, good in stability, good in dust suppression effect, environmentally friendly, non-toxic to the human body, capable of protecting the health of workers and improving the comfort level of the working environment, low in cost and good in economic benefit and social benefit.

The invention discloses a coagulant for industrial wastewater treatment and a preparation method thereof, and belongs to the technical field of water treatment.The coagulant comprises a main flocculant and an auxiliary flocculant, the main flocculant is polyferric sulfate and / or polyaluminum chloride, and the auxiliary flocculant is organic modified diatomite; the organic modified diatomite is prepared by condensing aminated diatomite and a carboxylation modifier; the aminated diatomite is diatomite treated by an aminated silane coupling agent. The auxiliary flocculant not only has a porous characteristic, active functional groups on the surface can adsorb metal cations, and the auxiliary flocculant can be integrally used as a crystal nucleus to promote growth and aggregation of other precipitates (such as ferric hydroxide, aluminum hydroxide and the like) on the surface, so that the precipitation process is accelerated, the removal efficiency of pollutants in wastewater is improved, and the wastewater treatment effect is improved. The effect of enhancing coagulation is achieved.

The invention relates to the field of fiber concrete manufacturing, in particular to a fiber concrete manufacturing method and device.The fiber concrete manufacturing device comprises a shell, an extrusion block is slidably connected to the upper portion of the interior of the shell in a sealed mode, a telescopic assembly for driving the extrusion block to move is arranged above the extrusion block, and a stirring bin located in the shell is arranged below the extrusion block; a feeding opening communicated with the interior of the stirring bin is formed in the outer wall of one side of the shell, and a discharging assembly communicated with the interior of the stirring bin is mounted on the outer wall of the other side of the shell; the first stirring mechanism is arranged at the upper end of the shell, the second stirring mechanism is arranged at the lower end of the shell, and the first stirring mechanism and the second stirring mechanism are both used for stirring materials in the stirring bin. Through the arrangement of the structure, the possibility of material bonding can be effectively reduced, the fluidity of concrete during stirring is guaranteed, meanwhile, the chemical reaction rate of cement is increased, and the overall coagulation effect of the concrete is improved.

The preparation method comprises the following steps: grinding an iodine block to obtain iodine powder, adding the iodine powder into double distilled water, and carrying out ultrasonic stripping to obtain an iodine nanosheet suspension; under the conditions of stirring and water bath heating, dissolving polyvinyl alcohol with double distilled water to obtain a polyvinyl alcohol solution, adding sodium alginate in batches, and continuously stirring in a water bath to obtain a moldable composite hydrogel precursor solution; dissolving tannic acid by adopting an iodine nanosheet suspension, then adding into the moldable composite hydrogel precursor solution, uniformly stirring at room temperature, adjusting the pH value of the solution to be neutral, finally dropwise adding a borax solution, and stirring into gel to obtain the I2 / PBST moldable antibacterial composite hydrogel. The prepared composite hydrogel not only can play an antibacterial role and reduce the bacterial infection probability of infection sites, but also has excellent properties such as plasticity, stretchability, self-healing property, adhesion and degradability, is convenient to fill defect parts with different shapes, and is firm in adhesion.

The utility model relates to the technical field, in particular to surface spraying equipment for diffusion plate production, which comprises an air cylinder, a spraying frame fixedly connected with the output end of the air cylinder, an overturning block arranged on one side of the spraying frame, a soft clamping block installed on one side of the overturning block, a heating plate arranged on one side of the soft clamping block, and a spraying tube plate arranged on the upper side of the heating plate. A fan is arranged on one side of the spraying tube plate, and one side of the fan is fixedly connected with the spraying box; the spraying device has the beneficial effects that the diffusion plate is fixed between the soft clamping blocks, the air cylinder stretches out to drive the spraying frame to move towards the interior of the spraying box till the diffusion plate is arranged under the spraying tube plate, so that the spraying tube plate is subjected to spraying operation, then the diffusion plate is indirectly driven to turn over by driving the turning-over block, and therefore the trouble that the diffusion plate is manually taken out and turned over is avoided; the heating plate and the draught fan are installed in the spraying box, through work of the heating plate, paint sprayed on the surface of the diffusion plate is solidified, through work of the draught fan, air in the spraying box rapidly circulates, and the production efficiency of the diffusion plate is improved.

The utility model belongs to the technical field of pipeline repair, and particularly relates to a natural light irradiation curing device for trenchless pipeline repair, which comprises a light guide pipe, a light condensing pipe fixedly mounted at one end of the light guide pipe, a first light beam connector fixedly mounted at one end of the light condensing pipe, and an optical cable winch arranged on one side of the first light beam connector. A motor is fixedly installed on one side of the optical cable winch, a winding roller is arranged on the inner side of the optical cable winch, an optical cable is arranged on the winding roller, a tractor is arranged on one side of the optical cable winch, a second light beam connector is fixedly installed on the top of the tractor, and a second convex lens is arranged at one end of the second light beam connector. The fixed rod, the movable rod, the movable groove, the compression spring, the inner rod, the supporting base and the supporting pulley are arranged and used in cooperation, the supporting base and the supporting pulley can support the top of a pipeline by adjusting the movable inner rod in a lifting mode, the stability of a tractor in the moving process is conveniently improved, and the interior of the pipeline can be better repaired conveniently.

The application discloses a preparation method of a hydrocolloid dressing for oral cavity, and relates to the technical field of medical supplies. Baicalin extract and a polyvinyl pyrrolidone solution are mixed to obtain a baicalin extract solution; chitosan fibers, hydroxymethyl cellulose and the baicalin extract solution are mixed to obtain a mixed solution; vacuum degassing: the prepared mixed solution is vacuumized, pressure is maintained, and primary degassing is performed; ultrasonic degassing: the mixed solution after primary degassing is subjected to ultrasonic degassing; static degassing: the solution after ultrasonic degassing is sealed by using a preservative film, and is subjected to secondary degassing at room temperature; a PU film is fixed in a film laying frame, the degassed mixed solution is poured into the film laying frame, and the film laying frame is placed into an air-blowing drying box to solidify and form a protective layer, so that the hydrocolloid dressing is obtained. The hydrocolloid dressing prepared by the method has good adhesion, can be used on a wound for a long time, and can effectively promote the repair of damaged cells and wounds, so that the healing of the wound in the oral cavity is promoted.

The present application provides an electrocoagulation forceps, comprising a base member; two forceps heads, both of which are connected to the base member, at least one of which can rotate relative to the base member, so that the two forceps heads can have a closed state and an open state that can be switched to each other; and a driving mechanism, the driving mechanism comprising a driving member and an actuator that are transmission-connected, both of which are slidably matched with the base member, and the sliding directions of the driving member and the actuator are opposite; the actuator is used to slide when the driving member slides relative to the base member to drive at least one forceps head to move, so that the two forceps heads can switch between an open state and a closed state. When the electrocoagulation forceps clamp tissue, the clamping position is accurate and reliable, and the success rate of the operation is high.

This invention relates to the field of coagulant technology and discloses a polyaluminum ferric silicate coagulant and its preparation method, comprising the following steps: S1 coal gangue is calcined to obtain modified coal gangue; S2 modified coal gangue is acid-leached to obtain coal gangue acid leaching solution; S3 the coal gangue acid leaching solution is subjected to titanium doping, pH adjustment, polymerization, centrifugation, and aging to obtain the coagulant. The preparation method provided by this invention, after activation and modification, undergoes acid leaching, polymerization, centrifugation, aging, and drying to prepare the polyaluminum ferric silicate coagulant. By optimizing the calcination temperature, modification ratio, acid concentration, polymerization pH, polymerization temperature, and polymerization time, the coagulation performance of the coagulant can be improved, thereby increasing the wastewater pollutant removal rate.

The utility model provides a purification device for tap water production, including installation box, the installation box top is equipped with purification mechanism, is equipped with collection mechanism one and collection mechanism two of auxiliary collection impurity in the inside of purification mechanism, is equipped with coagulation mechanism of coagulation tap water in the inside of installation box, is equipped with the auxiliary mixing mechanism of auxiliary coagulation in coagulation mechanism end, the coagulation mechanism includes coagulation cylinder, motor two, coagulation rod, stirs the pole and water guide pipe, and coagulation cylinder is located in the inside of installation box, and coagulation cylinder end is equipped with motor two, and the output of motor two is equipped with coagulation rod, and coagulation rod outside is equipped with stirs the pole. The utility model discloses through a plurality of air outlet nozzles can send air by multiple parts into the coagulation cylinder inside and form the bubble, the bubble that enters the coagulation cylinder inside can make coagulant evenly distributed and contact with the particle in water, and then is favorable to improve the coagulation effect when the purification device is purified to tap water, reduces the situation that the purification effect is influenced because the coagulation effect of tap water is not good.

The utility model discloses a wastewater pretreatment flocculant dosing device, including wastewater pipeline, stainless steel pipe, pipeline quick -operation joint, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline, stainless steel pipe is set up on wastewater pipeline through the welding, and its outside end portion is welded fixed with one side end portion of pipeline quick -operation joint, and flocculant corrosion -resisting conveying pipeline is connected with the other side end portion of pipeline quick -operation joint with the screw thread, and the flocculant corrosion -resisting dosing pipeline is set up in the stainless steel pipe inside, and one end is connected with the screw thread of pipeline quick -operation joint end portion, and the other end is beyond the end portion of stainless steel pipe inside wastewater pipeline, flocculant corrosion -resisting conveying pipeline and flocculant corrosion -resisting dosing pipeline preferably UPVC pipe, and the end portion of stainless steel pipe and flocculant corrosion -resisting dosing pipeline inside wastewater pipeline is equipped with first elbow and second elbow respectively. The utility model discloses can effectively solve the problem of the leakage of the dosing pipe on the existing wastewater pipeline and the misflow of wastewater into the dosing pipe due to corrosion.

A new ecological nano-iron dynamic membrane interface assembly and its enhanced arsenic removal method, which belongs to the field of drinking water treatment technology. The method of the present invention utilizes the in-situ coagulation, synergistic oxidation and membrane filtration of the Fe(II) / Cl2 system to simultaneously realize the in-situ modification of the membrane and the deep removal of arsenic. The specific method is completed by the following steps: 1. Add chlorine oxidant and divalent iron salt to the arsenic-containing raw water at the same time, and introduce the raw water into the membrane pool after tubular mixing; 2. Stir the raw water in the membrane pool by aeration, mechanical stirring or hydraulic mixing to fully mix the raw water in the membrane pool; 3. After the membrane pool is running, the membrane after the new ecological nano-iron dynamic interface assembly and the water with arsenic removed are obtained. The present invention requires few facilities, is easy to operate, has low maintenance and operation costs, and has strong arsenic removal capacity. It is a new and efficient arsenic removal method.

The invention belongs to the technical field of desulfurization wastewater, and provides a preparation method of a desulfurization wastewater flocculant, which comprises a water-soluble high-molecular compound flocculant and an inorganic iron salt flocculant, and comprises the following components in percentage by weight: 0.01-2% of polyacrylamide, 0.01-15% of polyquaternium, 1-30% of polyferro-aluminum, 0.001-5% of a surfactant and the balance of water. The preparation method comprises the following steps: firstly, preparing a polysilicate ferric sulfate aluminum solution, then mixing and stirring polyacrylamide, polyquaternary ammonium salt, polyaluminum ferric sulfate, a surfactant and water to obtain a semi-finished solution, and finally, mixing the polysilicate ferric sulfate aluminum solution with the semi-finished solution to obtain a final solution; the water-soluble high-molecular compound flocculant and the inorganic iron salt flocculant are compounded together, so that the coagulation performance can be improved, impurities and pollutants in water can be quickly reacted, coagulated and precipitated, the water quality is effectively improved, the use amount is small, the cost is low, harmful substances are not contained, and the influence on human health is avoided.

The utility model provides an integrated efficient sedimentation tank for strengthening a flocculation process, which comprises a coagulation tank, a flocculation tank, a plug flow area and a sedimentation tank which are sequentially communicated, and a first stirring component is arranged in the flocculation tank; the first stirring assembly comprises a first spiral blade, a first transmission shaft, a first hub and a first axial flow blade, the first spiral blade is arranged on the upper portion of the first transmission shaft, the first hub is connected with the bottom end of the first transmission shaft, the first axial flow blade is arranged on the first hub, and the first hub and the first axial flow blade are located in the guide cylinder. According to the integrated high-efficiency sedimentation tank for strengthening the flocculation process, provided by the utility model, small flocs in the flocculation tank collide with and are fused into one another along with fluid, the flocculation time is prolonged, alumen ustum is continuously increased, and rapid sedimentation in the sedimentation tank is facilitated.

The invention provides a preparation method of in-situ curing hydrogel, hydrogel and application thereof, and relates to the technical field of biomaterials.The preparation method comprises the steps that a first precursor solution and a second precursor solution are mixed, and the in-situ curing hydrogel is obtained; the first precursor solution contains chitosan or a derivative thereof and a medicine, and the concentration of the chitosan or the derivative thereof is 6-12% w / v; the second precursor solution contains DF-PEG and Cu < 2 + >, the concentration of the DF-PEG is 10-15% w / v, and the concentration of the Cu < 2 + > is 1.9-5.6 mmol / L. The in-situ curing hydrogel obtained by the preparation method is short in curing time, the gel strength after curing is high, medullary cavity hemostasis can be simply, conveniently and efficiently realized, and the in-situ curing hydrogel has important significance for solving the problem of lacuna bone bleeding.

The application discloses a silk fiber-based anti-bedsores decompression pad and a preparation method thereof, which comprises a fabric layer in a concave shape, an aerogel layer and a fiber layer are arranged in the fabric layer from bottom to top, the total height of the aerogel layer and the fiber layer after being stacked is equal to the depth of the fabric layer, the fiber layer is prepared from drug-loaded hydrophobically modified sodium alginate fiber, and the aerogel layer is prepared from degummed silk-sodium alginate composite aerogel with a three-dimensional porous structure. The decompression pad has antibacterial and healing promotion effects, the silk fiber enhances the physical and mechanical properties of the aerogel layer, can greatly reduce external pressure, has excellent air permeation effect due to the through-hole structure in the interior, can fully and quickly absorb wound exudates, the sodium alginate-based material also provides a suitable microenvironment for cell growth, accelerates wound healing, and is suitable for the prevention and treatment of bedsores of patients who need to be in bed for a long time.

The invention relates to a method for treating textile printing and dyeing wastewater by using a rare earth modified Ti-based xerogel coagulant, which comprises the following steps: (1) preparation of the rare earth modified Ti-based xerogel coagulant: adding rare earth metal salt into a mixed solution of ethanol and acetylacetone, and dropwise adding titanium tetrachloride after the rare earth metal salt is completely dissolved; and dropwise adding a mixed solution of ethanol and distilled water, uniformly stirring, and drying to obtain the product. And (2) adding the rare earth modified Ti-based xerogel coagulant into the textile printing and dyeing wastewater, stirring, and standing. The treatment method provided by the invention has the advantages of simple operation, slow effluent pH change, high coagulation efficiency and the like, and shows good coagulation performance on high-turbidity and high-organic-matter textile printing and dyeing wastewater. Experiments show that the combination of the titanium salt and the rare earth metal salt gives full play to the advantages of the two metal coagulants, so that the coagulation process is applicable to wider water quality conditions, and the synthesized composite coagulant has good stability and coagulation effect.

The invention discloses non-dairy creamer-free tofu pudding powder, non-dairy creamer-free tofu pudding and a preparation method of the non-dairy creamer-free tofu pudding. The non-dairy creamer-free tofu pudding powder comprises the following components in parts by mass: 40-60 parts of instant bean flour, 2-8 parts of cyperus esculentus powder, 0-8 parts of inulin, 20-30 parts of carbohydrates and sugar alcohols, 1.8-4 parts of a stabilizer and the balance of maltodextrin. The non-dairy creamer component in the traditional tofu pudding is removed, so that the content of trans fatty acid and saturated fatty acid is reduced, and the pursuit of modern people for healthy diet is better met. The cyperus esculentus is rich in nutrient substances such as various proteins, monounsaturated fatty acids and dietary fibers, the inulin is widely applied in simulating fat taste and providing viscosity in a low-fat product, and the compounding of the cyperus esculentus and the inulin can replace non-dairy creamer to provide fat taste in the tofu pudding product, so that the intestinal health is promoted, and the nutritional value of the tofu pudding product is improved. The formula without the non-dairy creamer can also effectively reduce the dependence of the tofu pudding product on processing grease, and is beneficial to reducing the environmental burden in the production process.

This invention provides a method for preparing a coking wastewater flocculant and its application, belonging to the field of coking wastewater treatment technology. The preparation method utilizes aluminum chloride and ferric chloride as inorganic metal salts and APTES as a silicon source to prepare a coking wastewater flocculant with both ionic and covalent bonds. The coking wastewater flocculant, when used in conjunction with a micro-vortex flocculation reactor, can effectively remove components such as COD, thiocyanate, color, and turbidity from coking wastewater.

The invention provides a method for removing sodium alginate in kelp liquid, which comprises the following steps of: adding 0.2-0.5% of sodium hydroxide into dry kelp soaking liquid or fresh kelp blanching liquid according to a weight ratio, and uniformly stirring; then adding 0.05%-0.2% of polyacrylamide according to the weight ratio, and uniformly stirring; adding 0.05%-0.2% of calcium carbonate according to the weight ratio, and uniformly stirring; standing the obtained feed liquid, and after the sodium alginate, the heavy metals and other impurities are precipitated, filtering and removing the precipitate to obtain transparent light brown supernate; and centrifuging the supernate, wherein the centrifugate is the natural algae iodine solution. According to the method for removing sodium alginate in the kelp liquid, sodium alginate in the kelp liquid can be effectively removed, the viscosity of the solution is reduced, and a qualified raw material is provided for concentration or extraction of pure natural seaweed iodine.

The application discloses a kind of hydraulic stirring PAC material dissolver, including base, the base is installed with material dissolver jar, the material dissolver jar includes jar body, the upper portion of the jar body is equipped with water pipe, the lower portion of the jar body is equipped with blowdown pipe;The upper portion of the jar body is equipped with medicine storage box, the medicine storage box includes box body, the jar body is equipped with a plurality of evenly arranged feeding pipe between box body;Material dissolver jar side is equipped with water pump, the water inlet pipe of water pump is connected with the upper portion of material dissolver jar, the water outlet pipe of water pump is connected with the bottom of material dissolver jar, the water outlet pipe side is equipped with third water outlet branch pipe, the water inlet pipe, water outlet pipe, water pipe, blowdown pipe and third water outlet branch pipe are all equipped with valve.This application makes sewage and PAC in jar body circulate and flow by water pump, forms hydraulic stirring effect, reduces floor area, reduces manufacturing cost and maintenance cost at the same time, significantly improves the dissolution efficiency and mixing uniformity of PAC, ensures the sufficient dissolution and uniform distribution of PAC in water.

The invention provides kaolin with excellent coagulation performance, a preparation method thereof and a hemostatic material, and relates to the field of materials. The preparation method of the kaolin with excellent coagulation performance comprises the following steps: crushing kaolin raw ore, and then mixing with water to obtain kaolin coarse mortar; performing first mixing on the kaolin coarse mortar, sodium hydroxide and sodium hexametaphosphate, and performing staged treatment and impurity removal by adopting a spiral desanding and multi-stage cyclone to obtain kaolin fine ore pulp; the kaolin fine ore pulp and sodium hexametaphosphate are mixed for the second time, then magnetic separation impurity removal and wet grinding and stripping treatment are carried out, and kaolin superfine ore pulp is obtained; carrying out dehydration treatment on the kaolin superfine ore pulp, and drying to obtain purified kaolin; and calcining the purified kaolin to obtain the target kaolin. The kaolin prepared by the method provided by the invention has a good activating effect on platelets and excellent coagulation performance.

The utility model discloses a wastewater treatment mechanism of a steam thermal cracking furnace, which comprises a bottom plate, and the bottom plate is provided with a coagulation tank, a settling tank, a clear water tank I, a sand filter tower, a carbon filter tower, a softening machine and a clear water tank II which are sequentially connected through liquid guide pipes; the coagulation tank is connected with a liquid inlet pipe; the liquid inlet pipe is used for conveying wastewater generated after oil-water separation into the coagulation tank; the coagulation box is connected with a flocculating agent adding mechanism and a first PH adjusting mechanism, and the flocculating agent adding mechanism is used for adding a flocculating agent into the coagulation box; the first PH adjusting mechanism is used for increasing the PH value of the wastewater, so that the wastewater is weakly alkaline; the clear water tank I is connected with a second PH adjusting mechanism, and the second PH adjusting mechanism is used for reducing the PH value in the wastewater; the device further comprises a controller, and the flocculant adding mechanism, the first PH adjusting mechanism and the second PH adjusting mechanism are all electrically connected with the controller. According to the utility model, the wastewater subjected to oil-water separation is subjected to coagulating sedimentation, filtration, softening and PH regulation, so that the wastewater reaches the discharge standard, and the environmental pollution is avoided.

The invention provides a preparation method of gardenia jasminoides bean curd, and belongs to the technical field of food processing. The soybeans, the poria cocos and the Chinese yam are mixed and pulped, the extracting solution containing the gardenia jasminoides extract is added before solidification, the gardenia jasminoides bean curd which is golden in color can be directly obtained, the preparation method is simplified, meanwhile, the poria cocos and the Chinese yam are added into the bean curd, the components of a coagulant are adjusted, and the taste and the effect of the bean curd are enriched.

The utility model relates to the technical field of shielding material preparation and cutting, and discloses a cutting structure for preparation of a semi-conductive thermoplastic shielding material, which comprises a material guide table, one end of the material guide table is in butt joint with a thermoplastic machine discharge port, one side of the material guide table is provided with a collecting table, and the top end of the collecting table is provided with a collecting groove. A second supporting plate is installed on the side, away from the collecting table, of the material guiding table. Through the rotation of the reciprocating screw rod, the movable sleeve drives the pushing plate to reciprocate left and right, and the moving rod moves along an inverted L shape under the guide action of the pushing plate and the guide groove on the moving rod, namely, the moving rod moves horizontally after moving upwards during cutting, so that the cutting knife automatically enters between the left cleaning pad and the right cleaning pad to rub, and the cutting efficiency is improved. And therefore, scraps of cut semi-conductive thermoplastic shielding material finished products can be automatically cleaned into the collecting tank to be collected, and the automatic cleaning effect of the cutting knife in the cutting process is achieved.

The utility model relates to a steel rail pile slope protection structure and relates to the technical field of slope protection, in order to solve the problem that a slope is prone to slipping in rainy days, the steel rail pile slope protection structure comprises a plurality of anti-slide piles fixed to the bottom of the slope, a retaining wall is integrally formed on the anti-slide piles, and a plurality of stones are mixed in the retaining wall. A geogrid is arranged between every two adjacent anti-slide piles. The method has the effects of improving the stability of the side slope and reducing sliding of the side slope.

This invention discloses a method for recycling high-salt dyeing and finishing wastewater, belonging to the field of dyeing wastewater treatment technology. Addressing the problems of traditional coagulants' easy failure in high-salt environments, difficulty in solid-liquid separation, and inability to regenerate and recycle, this invention uses a magnetic composite coagulant for coagulation and sedimentation. Rapid solid-liquid separation is achieved through an external magnetic field, and the separated magnetic composite coagulant is recycled after alternating water washing and desorption. The wastewater is subsequently treated by oxidation, evaporation and crystallization to recover salts, and activated carbon adsorption for deep treatment before being reused in production. The magnetic composite coagulant has a core-shell structure and a temperature-sensitive polymer graft layer, possessing high salt resistance, magnetic response, and temperature-sensitive desorption characteristics. This invention achieves efficient flocculation, rapid magnetic separation, and intelligent desorption and regeneration in high-salt environments, significantly reducing reagent consumption and operating costs. The effluent quality meets the requirements of the "Water Quality Standard for Reclaimed Water in Textile Dyeing and Finishing Industry".

The invention relates to the technical field of water treatment, in particular to a magnetic response coagulation-ultrafiltration coupling water treatment device and method. The device mainly comprises a coagulant adding unit, a coagulation reaction unit, an ultrafiltration unit, a sensing unit and a control unit which are sequentially communicated along the water flow direction. The coagulant adding unit is used for realizing accurate adding of a medicament, the coagulation reaction unit is a key place for regulating and controlling formation of flocs, the ultrafiltration unit is used for final solid-liquid efficient separation and actively controlling membrane pollution, and the magnetic response assembly can generate a magnetic field around a membrane assembly. The magnetic field can guide magnetic flocs in water to form a loose and high-permeability dynamic protection layer on the surface of the membrane in the filtering stage. The control unit is in signal connection with the sensing unit, and is used for dynamically adjusting the adding amount of the precise metering pump, the rotating speed combination of the stirring paddles in the gradient flocculation area, the magnetic field intensity of the magnetic response assembly and the like. The self-adaptive water treatment system is constructed by integrating intelligent feeding, gradient flocculation, magnetic response membrane separation and control.

The invention relates to the technical field of coagulants, and discloses a polymeric silicate aluminum ferric titanium sulfate coagulant and a preparation method thereof.The preparation method comprises the following steps that S1, coal gangue is roasted to obtain modified coal gangue; s2, the modified coal gangue is subjected to acid leaching treatment, and coal gangue acid leaching liquid is obtained; s3, titanium doping, pH value adjustment, polymerization, centrifugation and curing are conducted on the coal gangue pickle liquor, and the coagulant is obtained. According to the preparation method provided by the invention, after activation modification, acid leaching, polymerization, centrifugation, curing and drying treatment are carried out, and the polysilicate aluminum-titanium-iron coagulant is prepared. By optimizing the roasting temperature, the modification ratio, the acid concentration, the polymerization pH, the polymerization temperature and the polymerization time, the coagulation performance of the coagulant can be improved, and then the wastewater pollutant removal rate is improved.