44 results about "Polyaluminium chloride" patented technology

The invention relates to a Kava pepper root extract with soothing, repairing and anti-wrinkle effects as well as a preparation method and application thereof, and belongs to the technical field of biological medicines and cosmetics. According to the method, hydroxypropyl-cyclodextrin and / or sulfobutyl-cyclodextrin are / is used as an extracting agent to fully extract the main functional component kavain in the kava pepper root powder, and a fat-soluble component kavain is clathrated by using the hydrophilicity and clathration effect of hydroxypropyl-cyclodextrin and sulfobutyl-cyclodextrin, so that the extraction efficiency of kavain is improved, and the yield of kavain is increased. The extract which contains the kavain and is soluble in water is obtained. The mixture of polyaluminum chloride and diatomite is used as an impurity removal agent to fully remove unstable components and pigments in the crude extract, and the prepared kavain extract has high purity and extraction rate, and has good solubility in water and good stability. The kava pepper root extract and the centella asiatica extract are combined to achieve a synergistic repairing effect, and the composition can be widely applied to the industries of biological medicine, cosmetics and the like.

The invention discloses an advanced treatment method of tungsten beneficiation wastewater, which is characterized in that a composite flocculant is adopted to flocculate the tungsten beneficiation wastewater, and the composite flocculant is mainly composed of cationic polyacrylamide, a flocculant A and lignocellulose, the flocculant A comprises at least one of polyferric sulfate, polyaluminum chloride, polyaluminum ferric chloride, polyaluminum ferric sulfate, ferric sulfate, ferrous sulfate and aluminum chloride. According to the advanced treatment method for the tungsten beneficiation wastewater, under the action of the composite flocculant, the cost of a treatment agent can be reduced to about 0.16-0.20 yuan / m < 3 >, the cost reduction amplitude is as high as 80% or above, the treatment time can be shortened to be within 10 min, the precipitation time is greatly shortened, meanwhile, suspended solids in the wastewater can be effectively removed, actual production requirements are met, and the method is suitable for industrial production. The method has the advantages of low treatment cost, high treatment efficiency, good removal effect, good adaptability and the like, can realize advanced treatment of the tungsten beneficiation wastewater, and is high in use value and good in application prospect.

The utility model relates to mixing equipment technical field especially relates to a kind of polyaluminium chloride raw material mixing device, including mixing tank body, the top of mixing tank body is fixedly installed with driving motor, driving motor is connected with conveying box by material conveying structure, the top of conveying box is connected with feeding hopper, the outside of feeding hopper is provided with dust reduction assembly for reducing dust generated when feeding, the left side outer wall of mixing tank body is provided with water supply assembly for providing water flow for dust reduction assembly, the front of mixing tank body is fixedly installed with transparent observation window for facilitating the observation mixing effect.The utility model is cooperated by setting dust reduction assembly and water supply assembly, can continue to spray water mist in the feeding process, the dust generated by material pouring, conveying friction is quickly adsorbed and settled, effectively reduce the dust content in production environment, greatly reduce the risk of operator's illness, improve the working environment of production workshop simultaneously, meet environmental protection and occupational health safety requirements.

The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for producing and processing polyaluminum chloride. Comprising a reaction kettle body, a stirring module is arranged on the surface of the upper end of the reaction kettle body, a discharging pipe is fixedly communicated with the surface of the bottom end of the reaction kettle body, an adjusting mechanism is arranged on the arc surface of the reaction kettle body and comprises a feeding pipe and a material frame, and one end of the feeding pipe is fixedly communicated with the arc surface of the reaction kettle body; the surface of the material frame is fixedly connected with an acrylic plate, the surface of the bottom end of the material frame fixedly communicates with a butt joint pipe, the arc face of the butt joint pipe is connected with the inner wall of the feeding pipe in an inserted mode, the two sides of the arc face of the butt joint pipe are fixedly connected with fixing frames, the inner walls of the fixing frames are rotationally connected with rotating rods, and the arc face of the upper end of the feeding pipe is fixedly connected with a butt joint frame. The reaction kettle for producing and processing polyaluminum chloride has the advantages that auxiliary materials can be conveniently added into the reaction kettle, and the production efficiency and the quality of a final product can be effectively improved.

The utility model relates to a quick drying device for polyaluminum chloride production, which comprises a drying box, a layering plate is fixedly arranged in the drying box, a grading drying assembly is arranged in the drying box, and the grading drying assembly comprises a first drying cylinder, a second drying cylinder, a third drying cylinder, a first round ball, a second round ball, a rotating handle, an air outlet hole and a hot air dryer. Raw material slurry with different moisture contents can be placed in the three placing plates through the placing plates, the raw material slurry in the placing plates can be subjected to high-temperature drying through hot air along air outlet holes through a hot air dryer, waste heat enters a second drying cylinder through a first round ball, and the raw material primary slurry in the second drying cylinder is dried; and through a second round ball, waste heat in the second drying cylinder can enter a third drying cylinder, and the temperatures of three times of drying are sequentially reduced, so that graded drying treatment can be carried out on raw material slurry with different water contents, the drying efficiency is high, and drying is more thorough.

The application relates to a safe treatment device for phosphorus-containing and arsenic-containing waste liquid, which comprises a crushing mechanism for containing the phosphorus-containing and arsenic-containing waste liquid and crushing solid matters in the waste liquid; a first closed reaction container for receiving the waste liquid from the crushing mechanism; an oxidation mechanism comprising a sodium hypochlorite storage tank one and a sodium hydroxide storage tank two; a second closed reaction container for receiving the waste liquid from the first closed reaction container; and a precipitation mechanism comprising a calcium chloride storage tank three, a lime milk storage tank four, a ferric chloride storage tank five and a polyaluminum chloride storage tank six. The application can effectively treat elemental phosphorus and simultaneously dispose of the arsenic-containing waste liquid, solves the problem that the prior art lacks a device for simultaneously and safely treating the phosphorus-containing and arsenic-containing waste liquid, reduces equipment investment and operation cost, and improves the treatment efficiency.

The invention discloses a semiconductor wastewater defluorination agent and a preparation method and application thereof, and belongs to the technical field of semiconductor fluorine-containing wastewater, the semiconductor wastewater defluorination agent comprises the following preparation raw materials by mass: 10-30% of modified zirconium-based composite powder, 25-50% of calcium magnesium salt, 5-25% of polyaluminum chloride, 2-8% of a composite synergist, 0.05-1% of a flocculant and the balance of water. The preparation method comprises the following steps: S1, pre-preparing raw materials; s2, preparation of a premixed solution: sequentially adding polyaluminum chloride and a composite synergist into water, and mixing to obtain the premixed solution; s3, preparation of a product: adding the modified zirconium-based composite powder and calcium magnesium salt into the premixed liquid, dispersing, and finally adding a flocculating agent, so as to obtain the semiconductor wastewater defluorination agent. According to the method, a precipitation-adsorption-flocculation synergistic system is constructed, deep fluorine removal of the semiconductor fluorine-containing wastewater is achieved, and the method has the advantages of being high in anti-interference capacity, low in treatment cost and high in operation flexibility, can adapt to fluorine-containing wastewater of different concentrations and stably reaches the standard.

The utility model discloses a feeding device for producing polyaluminum chloride, which comprises a reaction kettle tank body, a stirring device, a powder feeding port, a liquid feeding pipe and a cold water pipe are arranged at the upper end part of the reaction kettle tank body, a heating device is arranged on the outer side wall of the reaction kettle tank body, a feeding device is arranged above the powder feeding port, and the liquid feeding pipe is connected with the heating device. The feeding device comprises a hopper, a material groove, a rotating wheel and a rotating motor, the hopper is arranged at the top of the material groove, the material groove is communicated with the powder feeding port, the rotating wheel is movably installed in the material groove, the outer side wall of the rotating wheel is tightly attached to the inner side wall of the material groove, and symmetrically-distributed grooves are formed in the outer side wall of the rotating wheel. The powder feeding device has the advantages that heat released by reaction is controlled by feeding quantitative powder, slurry boiling and overflowing caused by excessive one-time feeding of the powder are avoided, the rotating motor controls the rotating speed of the rotating wheel, namely, the feeding speed of the powder is controlled, and slurry boiling and overflowing caused by too high feeding speed are avoided.

The utility model discloses a drinking water grade polyaluminum chloride detection device, which relates to the technical field of quality inspection of water purifiers and comprises a base, a circular groove is formed in the upper surface of the base, a turntable is arranged in the circular groove, a stand column is vertically connected to the center of the upper surface of the base, and a top plate is connected to the top of the stand column. A controller is mounted in the base, a first bearing is connected between the outer side of the bottom of the turntable and the base, and a first gear ring is connected to the bottom of the turntable close to the outer edge. According to the utility model, the detection mechanism is arranged, so that the turbidity of the clear liquid above the precipitate can be detected through the turbidity sensor to replace manual visual inspection of precipitation completion, and the accuracy and speed of polyaluminum chloride water purification efficiency quality inspection are improved; by arranging the feeding mechanism and the cleaning mechanism, the steps of feeding, stirring, detecting, precipitating, waste discharging and cleaning can be automatically and continuously completed in the detection process of the water purification efficiency of the polyaluminum chloride, the hands of workers are liberated, and the detection efficiency is improved.

The invention discloses a composite flocculant and a use method thereof, and belongs to the technical field of sewage treatment.The composite flocculant is prepared from, by mass, 5-10 parts of cationic polyacrylamide, 1-5 parts of polyaluminum chloride, 1-5 parts of chitosan quaternary ammonium salt, 7 parts of cationic polyacrylamide, 1 part of polyaluminum chloride and 2 parts of chitosan quaternary ammonium salt. Comprising a step of preparing a composite flocculant solution and a step of adding the solution to improve the settling performance and activity of activated sludge and strengthen the dewatering of excess sludge, and the step of preparing the composite flocculant solution comprises the following steps: S1, weighing cationic polyacrylamide, polyaluminum chloride and chitosan quaternary ammonium salt according to the proportion; according to the present invention, through the chitosan quaternary ammonium salt-polyaluminum chloride-cationic polyacrylamide gradient flocculation mode, the multiple effects of synchronously improving the activated sludge sedimentation performance, enhancing the microbial activity and enhancing the excess sludge dewatering are achieved, and the technical effects of high efficiency and biocompatibility are provided.

The present application relates to a kind of high-efficiency sludge dewatering agent and its preparation method, belong to high polymer material technical field.The high-efficiency sludge dewatering agent includes by weight portion: modified polyacrylamide 10-30 parts, modifier 5-10 parts, polyaluminum chloride 15-25 parts, deionized water 40-50 parts, diatomite 1-2 parts, activated carbon 1-2 parts, calcium oxide 1-3 parts, wood ash 1-3 parts;The high-efficiency sludge dewatering agent prepared by the present application not only has good dewatering effect, but also has excellent sterilization effect.

The application discloses a kind of polyaluminium chloride waste residue recovery device and method thereof, belong to waste residue recovery technical field.A kind of polyaluminium chloride waste residue recovery device, including the handling box being provided with conveying assembly, the booster turbulence structure being set in handling box, booster turbulence structure is set in inside along the pusher moving in the length direction of handling box, pusher is provided with filter screen, filter screen is attached with the inner wall of handling box;Collision structure is set in handling box, and the liquid injection end on booster turbulence structure is formed turbulence direction towards drive part, and the bottom end of collision structure has a contact piece, and vibration structure is set in contact piece, and vibration structure is adapted with filter screen;The present application can break up cemented layer by using collision ball, then combine filter screen vibration to prevent crystallization blockage, cooperate with the backflow of guide cylinder Water flow enhances reaction uniformity, effectively solve the problem that existing technology is blocked by hydrochloric acid penetration, low dissolution rate, filter screen blockage.

The utility model relates to the technical field of polyaluminum chloride production, in particular to a drum drying device for polyaluminum chloride production, which comprises a support frame, a drum circumferentially provided with a material inlet and a material outlet is transversely and rotatably connected to the support frame, and a stirring mechanism is arranged in the drum. A stirring driving mechanism for driving the stirring mechanism to rotate and an overturning driving mechanism for driving the roller to rotate are arranged on the supporting frame, the positioning mechanism can position the roller in the state that the material inlet and the material outlet face each other, the overall gravity center does not deviate during discharging, the stability during discharging is improved, and meanwhile, the overturning driving mechanism can drive the roller to rotate. And the unloading energy consumption is reduced.

The invention discloses a polyaluminum chloride-plant extract composite flocculant as well as a preparation method and application thereof, and belongs to the technical field of sludge resource utilization. The preparation method comprises the following steps: mixing dry okra powder and dry banana peel powder according to a specific ratio, adding a sodium chloride solution for ultrasonic extraction, filtering, concentrating to obtain a plant extracting solution, and compounding the plant extracting solution with polyaluminum chloride according to a specific ratio. According to the invention, polyaluminum chloride is adopted to replace a traditional toxic synthetic polymeric flocculant, and carboxylic acid in the extract and polyaluminum chloride are utilized to generate a synergistic effect, so that a flocculation effect equivalent to that of polyacrylamide is realized, and meanwhile, the problems that the synthetic polymeric flocculant is residual in toxicity, difficult to degrade and difficult in sludge resource utilization are solved.

The utility model discloses a high-efficiency and energy-saving polyaluminum chloride water treatment agent production system which comprises a main body component, a water treatment component and a water treatment component, the crushing device is provided with the screening net, the crushing cutter and the limiting plate, the first motor drives the crushing cutter to be attached to the surface of the screening net to rotate to implement crushing machining, the electric push rod controls the limiting plate to move towards the crushing cutter to reduce the raw material moving space, and the contact and collision efficiency of the crushing cutter and raw materials is improved; the crushing efficiency is improved, the use is convenient, and the production efficiency of the device is also improved; based on the beneficial effects, a second motor, a stirring plate, a vertical plate and a spring are arranged, the second motor can drive the stirring plate and the vertical plate to rotate in a staggered mode to conduct mixing and stirring reaction on raw materials, and a telescopic rod can drive the V-shaped stirring plate to be tightly attached to the surface of the inner bottom of the production reaction kettle under the elastic acting force of the spring in a through groove; the step improves the raw material mixing efficiency, prevents the raw materials from being accumulated at the bottom, and is better in using effect of the device.

The present application relates to a kind of acidic copper-containing waste liquid, aluminium mud collaborative recovery processing system and processing process, processing system includes acidic copper-containing waste liquid collection tank, acidic copper-containing waste liquid collection tank is sequentially connected first filter, preheater, preheater is connected condenser and multiple-effect evaporator respectively, multiple-effect evaporator is sequentially connected transfer tank, scrubber, second filter, and second filter is connected sodium chloride solution storage tank and copper sulfate preparation unit respectively;Processing system further includes the aluminium mud bin connected with acidification reaction kettle, and acidification reaction kettle is connected first filter press and condenser respectively, and first filter press is connected evaporation concentration chamber, and evaporation concentration chamber is connected crystalline aluminium chloride preparation unit and liquid polyaluminium chloride preparation unit respectively.The present application processing system and processing process are generated in the production process of printed circuit board acidic copper-containing waste liquid, aluminium mud generated in surface treatment industry are collaboratively treated, improve recovery processing efficiency, realize resource utilization, with economic benefit.

The utility model relates to the technical field of solid-liquid separation, and discloses a solid-liquid separation device for producing polyaluminum chloride, which comprises a separation box and a filter screen, the filter screen is obliquely fixed above the inside of the separation box, and a feed hopper communicated with the inside of the separation box is connected above the separation box on one side of the high end of the filter screen. An impurity discharge port is formed in the surface of the separation box on one side of the lower end of the filter screen, electric push rods are vertically mounted on the two sides of the bottom of the separation box, the extending ends of the electric push rods penetrate into the separation box, and inclined plates are fixed to the tops of the electric push rods. According to the technical scheme, the inclined plate capable of being driven to ascend and descend is arranged below the filter screen, the edge of the inclined plate abuts against the surface of the inner wall of the separation box, after filtering is conducted for a period of time, the inclined plate can ascend to abut against the position below the filter screen, and the shower pipe sprays clean water downwards through the water outlet pipe; clear water flows downwards from the surface of the filter screen, and impurities on the surface of the filter screen can be washed away quickly and conveniently.

The invention relates to the technical field of preparation of water treatment agents, in particular to a preparation method of a polyaluminum chloride industrial water treatment agent, which comprises the following steps: S1, under the protection of nitrogen, dissolving 2-amino-5-sulfydryl-1, 3, 4-thiadiazole in anhydrous DMF (Dimethyl Formamide), adding oxalyl chloride while cooling in an ice bath, and after dropwise adding, continuing to react for 4-6 hours at room temperature to obtain an intermediate; s2, the intermediate is dissolved in anhydrous DMF, triethylamine and fucoidin are added under the nitrogen atmosphere and ice bath, the temperature is increased to 40-50 DEG C, a reaction is conducted for 12-24 h, and modified fucoidin is obtained; s3, weighing polyaluminum chloride, the modified fucoidin, the sepiolite-loaded iron-titanium compound, polyacrylamide and aluminum sulfate, mixing and grinding to obtain the polyaluminum chloride industrial water treatment agent. According to the technical scheme, synergistic and efficient removal of suspended solids, heavy metal ions and organic pollutants in industrial wastewater is achieved.

The present application relates to tailing water treatment technical field, especially to a kind of tailing pond tailing water deodorization reagent and its using method, tailing pond tailing water deodorization reagent includes the following raw materials and mass ratio: lime 1~5 parts, polyaluminium chloride 1~5 parts, sodium dichloroisocyanurate 0.5~1 part.The present application is conducive to quickly removing suspended solids in wastewater and part of organic matter, destroys the growth environment of odor-producing microorganisms.

The utility model relates to the field of polyaluminium chloride processing discloses a kind of polyaluminium chloride precipitate ovens, including shell, the shape of shell is set as cylindrical, the inner wall of shell is provided with drying mechanism, the drying mechanism includes pushing material overturning component, the pushing material overturning component includes motor, the motor is installed on the upper surface of shell, the output shaft of motor is fixedly connected with rotating rod, the outer wall sliding connection of rotating rod has placement plate, the outer wall fixedly connected with support seat of rotating rod.In the utility model, by setting pushing material overturning component, when cooperation arc-shaped pusher and conical nail tooth of placement plate rotation, when forward rotation, evenly flatten wet material and scratch loose, increase heating area, when reverse rotation, effectively push dry material to discharge, and the hole on placement plate and fixed nail tooth interact can trigger spring vibration, promote dry material, especially the complete discharge of bottom surplus material, improve the practicability of device.

The application discloses a device for preparing high-purity copper powder and polyaluminum chloride from acid etching waste liquid and an energy-saving co-production process thereof, relates to the technical field of recycling of acid etching waste liquid, and comprises a supporting base, a reaction assembly is arranged on the top of the supporting base, and the reaction assembly comprises a preparation tank body, a sealing cover and an extension rod. In the application, the top of the compression ring is connected with the extension rod and the guide piece, the top of the guide piece is overlapped with the adjusting block through the contact head, the reciprocating movement of the guide rod on the top of the supporting plate can be driven when the cam rotates, the lifting of the guide piece can be driven through the adjusting block, the use height of the compression ring and the guide disc is adjusted, the extrusion of the aluminum sheet is realized, the flow of the waste liquid in and out of the mixing tank is accelerated, the aluminum sheet is stirred through the stirring blade, and the aluminum sheet is fully contacted and reacted with the waste liquid; the filter screen is arranged in the filter box, copper powder in the waste liquid can be quickly separated, copper powder residues in the waste liquid are reduced, and the subsequent centralized recovery of the copper powder is facilitated.

The utility model relates to the technical field of liquid subpackaging equipment, in particular to a kind of polyaluminium chloride flocculating agent automatic subpackager;It can reduce the dependence of metering pump and electronic metering equipment, that is, polyaluminium chloride flocculating agent quantitative subpackaging can be realized, and the quantitative subpackaging accuracy of polyaluminium chloride flocculating agent is effectively guaranteed;Including rack, mounting bracket fixedly installed on rack, liquid storage barrel fixedly installed on mounting bracket, quantitative subpackaging mechanism and for the opening and closing drive of quantitative subpackaging mechanism, quantitative subpackaging mechanism includes sleeve fixedly installed on the bottom of liquid storage barrel and with the inside communication of liquid storage barrel, sliding rod slidingly installed in sleeve, standard measuring cylinder installed on the top of sliding rod and injection nozzle installed at the outer wall of sleeve, liquid inlet passage is equipped on sliding rod, one end of liquid inlet passage is communicated with the inside of standard measuring cylinder, injection hole is equipped on sleeve, and injection hole is communicated with the input end of injection nozzle, and the other end of liquid inlet passage is correspondingly set with injection hole.

The utility model discloses a kind of stirring devices in polyaluminium chloride reaction process, including the jar body of polyaluminium chloride reaction, the jar body is separately provided with driving motor and feed pipe, the output shaft of driving motor is provided with transmission rod, stirring mechanism is provided on the transmission rod, the sweep plate is provided at the bottom of transmission rod, the both sides of jar body are provided with heating mechanism and booster pump respectively, the breather pipe is provided on the booster pump, the discharge outlet is provided at the bottom of jar body, the movable clamping plate is provided in the discharge outlet. The utility model is equipped with stirring mechanism, it is convenient to increase the stirring inside jar body, at the same time, start heating mechanism and booster pump, heat and pressurize inside jar body, accelerate the reaction efficiency inside jar body, by setting clamping plate and control rod at the bottom of jar body, it is convenient to control the discharge outlet at the bottom of jar body, and then make the stirring device of this polyaluminium chloride reaction have the effect of accelerating polyaluminium chloride reaction.

The present invention provides an adsorbent for treating chemical wastewater, and a preparation method. The adsorbent for treating chemical wastewater comprises the following raw materials in parts by weight: 30-50 parts of activated coke, 20-30 parts of gasified pulverized coal, 25-35 parts of polyaluminium chloride, 10-20 parts of modified zeolite, 8-10 parts of [1,1'-Biphenyl]-3,4',5-tricarboxaldehyde, 10-12 parts of triphenylene-1,5,9-triamine, 0.5-1.0 part of cobalt chloride, and 3-5 parts of nonylphenol ethoxylate, wherein the modified zeolite is zeolite grafted with polyethyleneimine on its surface. The adsorbent for treating chemical wastewater can achieve good adsorption and removal effects on organic pollutants and inorganic ions such as ammonia nitrogen in wastewater.

The non-fired bricks prepared using polyaluminum chloride slag and tailings have the following raw materials and their weight proportions: 100 parts dry mix, 13-17 parts distilled water; the dry mix itself contains the following raw materials and their weight proportions: 40-60 parts polyaluminum chloride slag, 30-50 parts tailings, and 15-25 parts quicklime. This invention realizes the resource utilization of two solid wastes, polyaluminum chloride slag and tailings, and features low raw material cost, simple preparation process, and no toxic byproducts. Through the synergistic effect (hydration reaction) between the raw material components, this invention enables the non-fired bricks to have excellent mechanical properties (compressive strength of the finished product can reach 20-35 MPa), and also allows for a relatively simple room temperature curing process in its preparation.

The invention relates to the technical field of mine water treatment, and discloses a starch modified composite flocculant for mine water treatment, which comprises the following components: starch, a sodium hydrogen sulfite composite initiator, potassium hydroxide, dimethylaminoethyl methacrylate, a cationic etherifying agent GTA, polyaluminum chloride and acetone. After the cationic etherifying agent GTA is introduced through the starch and the dimethylaminoethyl methacrylate grafted copolymer, the cationic density is remarkably improved, negative charges of pulverized coal suspended solids in mine water are neutralized through the electric neutralization effect, sodium hydrogen sulfite and the modified starch compound synergistically exert the adsorption bridging effect, flocculent precipitates are rapidly formed, and the water quality is improved. The natural starch is used as the raw material, the source is wide, the cost is low, the preparation process conditions are mild, green and environment-friendly effects are achieved, the recycling rate of the treated mine water can reach 85% or above by strictly controlling the gelatinization, grafting and etherification reaction conditions, and the industrial recycling standard is met.

The utility model discloses a kind of stone processing sewage treatment devices.The utility model includes device main body, bottom plate and water tank are equipped in it, water tank is divided into first water storage tank and second water storage tank by partition. First water storage tank top is equipped with multilayer stainless steel grid preliminary filtration component, filters large piece of stone chippings, sawdust. Bottom plate installs second water pump, flocculation tank and oxidation tank, flocculation tank is equipped with polyaluminium chloride and polyacrylamide composite reagent feeding assembly and adjustable speed stirring device, and oxidation tank is equipped with ozone micro-bubble sprayer. Sewage is pumped to flocculation tank by second water pump and generates large floc adsorption suspended solids and heavy metal;Again flow into oxidation tank, ozone micro-bubble decomposes organic matter and disinfects;Finally into the biological filter of second water storage tank, degrades hydrogen sulfide, ammonia gas and other malodorous gas. The device is treated by multistage, and suspended solids, heavy metal, organic matter and malodorous gas are efficiently removed, and effluent is stable, which can be reused or discharged up to standard, and has environmental protection and practicality.

The utility model belongs to the technical field of polyaluminum chloride production, and discloses a filter pressing device for polyaluminum chloride production, which comprises a support, a plurality of filter plates are fixedly arranged on the support, liquid outlet pipes are symmetrically arranged on two sides of each filter plate, a feeding pump is arranged on one side of the support, an upper plate is fixedly arranged on the upper surface of the support, and the liquid outlet pipes are symmetrically arranged on the liquid outlet pipes. Side plates are symmetrically and fixedly arranged on the two sides of the upper surface of the upper plate, a lead screw is rotationally arranged between the two side plates, a motor is fixedly arranged on one side of one side plate, the output end of the motor penetrates through the side plate and is fixedly connected with the lead screw, and the outer surface of the lead screw is sleeved with a driving block in a threaded mode. According to the scheme, through cooperation of the motor and the electric sliding block, the air blower flexibly purges filter residues, the cleaning efficiency is improved, and the labor and time cost is reduced; the guide plate and the indirect plate enable the filtrate to orderly flow into the temporary storage box, so that the environment is clean and tidy, and concentrated treatment and recovery of the filtrate are facilitated.

The utility model discloses a kind of waste gas treatment devices for polyaluminium chloride agent production, belong to waste gas treatment field, including production tank, the inner chamber of production tank is respectively equipped with waste gas tank and storage tank, the upper surface of production tank is equipped with the clamping groove of clamping sealing clamping mechanism, the top of the outer surface of production tank is fixedly connected with purification mechanism, the purification mechanism includes flow pipe, one end of the flow pipe is fixedly connected in the top of the outer surface of production tank, the outer surface of the other end of flow pipe is fixedly connected with purification tank, the inside of purification tank is fixedly connected with support plate;Through the cooperation of above each device, through the purification mechanism of setting, using multilayer filtration processing, first through filter element filtration, then using purifier purification treatment, improve purification effect can reduce harmful gas and particulate matter concentration in waste gas, reduce harmful substances in waste gas into atmosphere, avoid secondary pollution problem.

The utility model relates to a kind of polyaluminium chloride MVR drum drying system, including drum dryer, condensate tank, condensate pump, column tube heat exchanger, separator, vacuum pump, circulating pump and steam compressor, high-temperature waste gas and condensate will be generated when polyaluminium chloride solution is dried by drum dryer, by recycling high-temperature waste gas and condensate, high-temperature waste gas is passed into the shell side of column tube heat exchanger, condensate is passed into the tube side of column tube heat exchanger, the heat in high-temperature waste gas heats condensate, so that condensate generates saturated steam again, saturated steam enters steam compressor, saturated steam is pressurized and heated after using steam compressor to compress it, and then polyaluminium chloride solution is dried again into drum dryer, realize the recycling of heat in high-temperature waste gas and condensate, after system operation is stable, live steam is only used as supplement gas, can effectively reduce the use amount of live steam, reduce the production cost of solid polyaluminium chloride.