168 results about "White water" patented technology

The invention relates to a preparation method of high-substitution-degree cationic micro-nano cellulose and application of the high-substitution-degree cationic micro-nano cellulose to improvement of water filtering performance of paper. In the enzymolysis pretreatment process, beta-1, 4 glucosidic bonds among glucose molecules are cut off, and more reaction binding sites are created for cationization after cellulose in an amorphous region and a part of crystalline region is hydrolyzed, so that the use amount of chemical reagents can be effectively reduced, and the environmental pollution is reduced. The prepared high-substitution-degree cationic micro-nano cellulose (CMFC) has abundant positive charges, weakens the hydrogen-bond interaction of cellulose molecules, improves the content of nano-fibrillation, and effectively reduces the mechanical preparation energy consumption of the CMFC. CMFC pulp is added into paper pulp fibers, so that pores of the paper fibers are blocked, more filler is intercepted, and the filler is difficult to be completely brought into white water by water flow in the water filtering process, so that the retention rate is increased, and the water filtering performance is effectively improved.

The invention discloses a waste paper papermaking method capable of improving the cyclic utilization rate of white water, and relates to the technical field of waste paper papermaking. The tailings treated by the clarifier are recycled and used for preparing white water; in a papermaking workshop, white water is recycled through an off-machine white water tank; in a pulping workshop, a multi-disc fiber recycling machine is adopted for grading redundant white water in the workshop; the ultra-clear white water is filtered by a super-filter and then is used for a net part low-pressure spraying system and a pressing part low-pressure spraying system of a papermaking workshop; reusing the turbid white water into a pulper for pulping so as to recover fibers in the white water; and in a wastewater workshop, the wastewater subjected to anaerobic and aerobic treatment is treated by an ultrafiltration membrane and a reverse osmosis membrane. And through a four-stage recycling technology, the cyclic utilization rate of the white water in the waste paper papermaking workshop is increased to 97% or above.

According to the liquid defoaming agent for papermaking white water and the preparation method of the liquid defoaming agent, through combined use of the high-carbon alcohol emulsion and the polyether emulsion, the problem that the foam inhibition capacity of the high-carbon alcohol emulsion is insufficient can be solved, meanwhile, the alcohol ether solution is adopted as a solubilizer to be used for improving the cloud point of polyether in a system, the system is prevented from being changed due to the temperature, and the foam inhibition capacity of the high-carbon alcohol emulsion is improved. The precipitation of polyether leads to system imbalance; the defoaming agent obtained by compounding the high-carbon alcohol emulsion and the polyether solution in proportion can realize more excellent defoaming and foam inhibition performance in papermaking white water, and the storage stability is effectively enhanced.

The embodiment of the utility model provides a bamboo pulp grading screening system which comprises at least two screening units connected in parallel, each screening unit comprises at least two pressure screens connected in series, each pressure screen comprises a screen plate used for separating pulp into long fiber pulp and white water, each screen plate comprises screen holes, the diameter of each screen hole is 0.6-1.1 mm, and the diameter of each screen hole is 0.6-1.1 mm. In the same screening unit, the ratio of the area of the screen plate of the pressurized screen located on the upstream to the area of the screen plate of the pressurized screen located on the downstream is 1: (0.55-0.8), the average length of obtained long fiber pulp is better than that in the prior art through the bamboo pulp grading screening system formed through the arrangement, meanwhile, the screening rate of medium and short fibers is greatly increased, and the system runs stably.

The invention relates to a white water treatment method based on a paper machine white water recovery treatment system. The recovery treatment system comprises a white water tank, a water feeding pump, a dissolved air tank and a shallow air flotation device which are connected in sequence; a clarified liquid outlet of the shallow air floatation device is connected with a filter, and a clarified liquid outlet of the filter is connected with a clarified white water tank; a wet strength agent feeding point is arranged between an outlet of the white water tank and an inlet of the water feeding pump; the white water treatment method comprises the following steps: adding a wet strength agent at a wet strength agent feeding point, enabling white water to be treated to flow into a dissolved air tank together with the wet strength agent from a white water tank through a water feeding pump, and introducing compressed air into the dissolved air tank to treat a mixture; the treated white water is input into a shallow-layer air flotation device for separation, and the separated clear liquid is input into a clear white water tank after passing through a filter. Compared with the prior art, the air floatation treatment effect and the overall operation efficiency of the paper machine white water recovery treatment system are remarkably improved.

The invention discloses a fiber synergistic copolymer as well as a preparation method and application thereof, and belongs to the technical field of papermaking chemicals and high polymer materials. Aiming at anion garbage interference caused by deepening of closed circulation of white water in the papermaking industry and green compliance challenges caused by replacing plastic with paper, the copolymer adopts a specific polycarboxylic acid and trace cationic monomer structure-effect design, and has excellent anti-interference capability and permeability. In the wet-end in-pulp enhancement, the enhancement effect of the additive can be superior to that of a traditional high-molecular-weight additive only by a relatively low addition amount, and water filtration and retention are remarkably improved; in a surface sizing and pulp molding hot pressing process, the rigidity and the water-resistant size stability of a product can be greatly improved through a unique cross-linking mechanism. According to the scheme, the industrial pain point of low enhancement efficiency in a complex environment is effectively solved, and the product does not contain organic fluorine and completely meets the requirements of environmental protection and sustainable development of a high-performance fiber-based material.

The utility model discloses a paper pulp preparation device which comprises a dissolving tank, a constant volume tank, a white water tank and a mixing and dissolving tank, the dissolving tank, the constant volume tank and the mixing and dissolving tank are respectively provided with a liquid outlet, the liquid outlet of the dissolving tank is communicated with the interior of the constant volume tank, a first valve is arranged at the communication position, the liquid outlet of the constant volume tank is communicated with the interior of the mixing and dissolving tank, and a second valve is arranged at the communication position. The white water tank is provided with a water outlet, the water outlet of the white water tank is communicated with the dissolving tank and the constant volume tank, a third valve is arranged at the communication position, a liquid outlet of the mixing and dissolving tank is communicated with the paper machine, a fourth valve is arranged at the communication position, and the dissolving tank is used for adding papermaking filler and white water for pre-dissolving to prepare a filler solution; the constant volume tank is used for adding a filler solution and white water to make the volume of the filler solution constant to a preset concentration, and the mixing and dissolving tank is used for adding papermaking fibers and the constant-volume filler solution and uniformly mixing to prepare paper pulp, so that the papermaking filler, the papermaking fibers and the white water can be conveniently and continuously uniformly mixed to obtain the paper pulp.

The application discloses a multi-carboxyl copolymer aqueous composition for pulp adding in packaging paperboard, synergism in short-stay pulp of packaging paper and fiber synergism in wet end of bamboo pulp paper, and a preparation and application method thereof, and belongs to the technical field of pulp and paper chemicals and wet end chemical control. The composition contains carboxyl-rich copolymer, and can be selected as high filtration rate homogeneous aqueous solution type, flexible type acid or bamboo pulp low cation density copolymer according to paper types, and is prepared through water phase free radical polymerization. In application, the composition is diluted and then added in a divided mode after a fan pump outlet to a pressure screen inlet or after a cationic polyacrylamide retention agent or in a bamboo pulp system. The method is beneficial to improving fiber combination, drainage stability, first-pass retention rate, white water stability and paper strength, and improving the adaptability of wet end dosing windows of different paper types.

The invention relates to the technical field of titanium dioxide production, in particular to high-retention and high-weather-resistance titanium dioxide as well as a preparation method and application thereof. Comprising a titanium dioxide base material and a coating layer located on the surface of the titanium dioxide base material, and the coating layer sequentially comprises an aluminum oxide film layer, a tin oxide film layer and an ascorbyl palmitate film layer from inside to outside. The preparation method comprises the following steps: preparing titanium dioxide-based material slurry, sequentially carrying out aluminum oxide coating and tin oxide coating, then carrying out water washing, flash evaporation and steam powdering, and adding ascorbyl palmitate in the steam powdering process to obtain the high-retention and high-weather-resistance titanium dioxide. The tin coating layer and the ascorbyl palmitate coating layer are introduced to the outer side of the aluminum oxide coating layer, so that the retention rate and weather resistance of titanium dioxide in paper are remarkably improved, and the use requirements of high-end paper are met; the white water treatment pressure can be reduced, and the economic benefit is improved.

A high-gram-weight raw paper white water advanced treatment system relates to the technical field of white water treatment and comprises a disc filter, and the outlet end of the disc filter is respectively connected with an ultra-clear filtrate tank and a clear filtrate tank; the outlet end of the ultra-clear filtrate tank is connected with a tubular filter, and the outlet end of the tubular filter is connected with a net pressure part high-pressure sprayer; and the outlet end of the clear filtrate tank is connected with the ultra-clear filtrate tank through a circulating fine filtration structure. The utility model solves the problem that in the prior art, the treatment depth of clear filtrate and ultra-clear filtrate after white water is treated by a physicochemical treatment method or a biological treatment method does not reach the degree that the clear filtrate and the ultra-clear filtrate can be used for high-pressure spray water of a net part.

The invention discloses a system for purifying and separating papermaking white water fine stickies, and belongs to the technical field of pulping and papermaking wastewater treatment. Comprising a physical grading deslagging unit, a chemical modification treatment unit, a biological enzymolysis reaction unit and a slurry forming unit which are sequentially communicated through a conveying pipeline I, wherein a conveying pipeline II is arranged between a feeding hole of the physical grading deslagging unit and a waste slurry discharging hole of the slurry forming unit, and a white water deep filtering unit is arranged on the conveying pipeline II; the physical grading deslagging unit, the chemical modification treatment unit, the biological enzymolysis reaction unit and the white water deep filtering unit can form a white water backflow circulation path through a conveying pipeline I and a conveying pipeline II. The system for purifying and separating the fine stickies in the papermaking white water, disclosed by the invention, can realize graded and accurate removal of the stickies with large, medium and small particle sizes in the papermaking white water, and effectively solves the problems of deposition and scaling of the stickies in equipment.

The utility model discloses an under-net white water tank efficient deslagging stirring treatment system which comprises an under-net white water tank, a multi-disc filter, an ultra-clear white water tank and a spraying water tank, and a deslagging stirrer which is driven by an external stirring motor and is used for suspending and discharging dirt deposited at the bottom is arranged in the under-net white water tank; the multi-disc filter is connected to a drainage pipeline of the under-net white water tank through a pipeline and is used for capturing and filtering impurities in the white water containing suspended stirring dirt; the spraying water tank is used for spraying the ultra-clean white water filtered in the ultra-clean white water tank to a paper machine net pressing part; the front side of the multi-disc filter is in bypass connection with a cushion slurry tank which is used for retaining fine fibers and fillers in the white water, providing cushion slurry for the multi-disc filter and improving the utilization rate of the white water; and through effective cooperation of the deslagging stirrer and the multi-disc filter, waste of water resources is reduced, the production cost is reduced, and the paper production efficiency is effectively improved.

The utility model discloses a tailing fiber recycling device for a deslagging section. The tailing fiber recycling device comprises a feeding tank, a first multi-section deslagging device, a transverse deslagging device, a second multi-section deslagging device, a white water tank, a slag tank and an accepted pulp tank, a feeding hole of the first multi-section slag separator is communicated with the discharging end of the feeding tank, and a slag outlet in the bottom of the first multi-section slag separator is communicated with a feeding hole of the transverse slag separator; preliminary deslagging and filtering are carried out through the first multi-section deslagging device, filtered slag slurry enters the transverse deslagging device, and white water is pumped into the transverse deslagging device through the white water tank, so that the slag slurry is rotationally separated in the transverse deslagging device; and the formed accepted pulp is automatically returned to the first multi-section slag separator, is discharged from the accepted pulp opening after being subjected to slag discharge, and further fiber recovery is realized through mutual cooperation of the transverse slag separator, the first multi-section slag separator and the second multi-section slag separator, so that the fiber content in the slag pulp is lower, and the utilization rate of the fiber is improved.

The water treatment equipment comprises an outer cylinder, an inner cylinder and a raw water inlet, the inner cylinder is fixedly connected to the interior of the outer cylinder, the upper end of the outer cylinder is fixedly connected with a sedimentation channel, the center of the top of the outer cylinder is rotatably connected with a slag scraping plate, and the slag scraping plate is fixedly connected with the sedimentation channel. A space is formed from the middle parts to the upper ends of the outer cylinder and the inner cylinder to form a second-stage reaction area, the upper end of the second-stage reaction area is connected with a second-stage gas-dissolved water inlet extending out of the outer cylinder, the inner cylinder is internally provided with a first-stage gas-dissolved water inlet extending out of the outer cylinder, and the first-stage gas-dissolved water inlet is located in the inner cylinder and is connected with a first-stage release device; the lower end of the secondary reaction zone is connected with an air flotation water outlet and an air flotation water intake which extend out of the outer cylinder, the lower end of the inner cylinder is provided with a conical sedimentation zone, the sedimentation zone is connected with a sewage draining exit which extends out of the outer cylinder, a sedimentation channel is connected with one end of a raw water inlet, and the other end of the raw water inlet extends out of the outer cylinder; the lower end of the slag scraper is positioned at the upper end of the inner cylinder.

The utility model relates to a paper pulp production system capable of recycling white water, which comprises a white water tank, an air floatation device, a short fiber defibering pipeline, a long fiber grinding pipeline and a sizing pipeline, and the tail ends of the short fiber defibering pipeline and the long fiber grinding pipeline are respectively converged to the sizing pipeline; an outlet of the white water tank is respectively connected with the first centrifugal pump and the second centrifugal pump; the first centrifugal pump is respectively connected with the short fiber defibering pipeline and the long fiber grinding pipeline and is used for respectively conveying white water in the white water tank into the short fiber defibering pipeline and the long fiber grinding pipeline; an outlet of the second centrifugal pump is respectively connected with the air floatation device and the sizing pipeline and is used for respectively conveying the white water in the white water tank into the air floatation device and the sizing pipeline. Compared with the prior art, the white water in the white water tank can be conveyed into the short fiber defibering pipeline, the long fiber pulping pipeline and the sizing pipeline, so that the white water can be recycled in the whole paper production system.

The invention discloses a production method for reducing the proportion of long fibers of cream base paper, and belongs to the field of papermaking. The main technical scheme is as follows: raw materials comprise long fibers (one or more of cotton pulp, softwood pulp and bamboo pulp which are subjected to repulping and are ground by two serially connected disc mills until the beating degree is 25-35 degrees SR and the wet weight is 8.0-13.0 g), short fibers (hardwood pulp which is subjected to repulping and defibering and the beating degree is 15-20 degrees SR) and broken paper (subjected to repulping and defibering); adjusting the flow, mixing the three components according to the mass ratio of (8-20): (85-70): (15-0) in a pulp preparation pool, and uniformly grinding until the beating degree is 25-45 degrees SR; the white water reflux quantity is regulated and controlled in the process. And after the slurry is formed by a high-speed paper machine, wrinkling by using a ceramic or carbon steel scraper under the dryness of 55-85% at the wrinkling rate of 18-25%, and coiling and slitting to obtain the cream base paper. The quantification of the raw paper is 10-20g / m < 2 >, and the transverse dry tensile index is gt; 3.0 N.m / g, and the longitudinal wet tensile index gt; 3.0 N.m / g, and the softness lt; the bulk is gt; 6.60 m < 3 > / g, and the transverse liquid absorption height gt; and 75 mm / (100s). The process is optimized, the use amount of long fibers is remarkably reduced, meanwhile, it is ensured that the cream base paper has excellent strength and bearing performance, and the cost is remarkably reduced.

The invention discloses paper processing equipment, a paper preparation method and paper, relates to the technical field of papermaking, and aims at solving the problems that waste is large during paper changing, and white water treatment burden is large. The paper processing equipment comprises a pulp processing part, a paper forming part, a dyeing part and a drying part which are connected in sequence; the dyeing part comprises two dyeing rollers which are oppositely arranged and is used for dyeing the two surfaces of the base paper dried by the paper forming part; the drying part comprises a first drying device and a second drying device, and a water outlet of the first drying device is connected with a water inlet of the second drying device.

The invention belongs to the technical field of fiber recovery, and provides a fiber recovery system in a household paper white water system, which comprises a support table, and the support table is fixedly connected with a recovery tank; the monitoring module comprises a turbidity detector arranged on the inner wall of the recovery tank, a separation mechanism is arranged at the position, close to the top, in the recovery tank, the separation mechanism can separate the fiber layer from the bubbles, and the separation mechanism can also detect the density of the fiber layer. According to the device, when a turbidity detector monitors that the turbidity in the recovery tank is large, the backflow speed of backflow water in the dissolved air tank is increased through a second water pump, so that the backflow ratio is increased, and meanwhile, a second motor is started to drive all rotating pore plates to rotate; bubbles in the backflow water can be broken through cooperation of the guide holes in the fixed pore plate and the rotary pore plate, and therefore the diameter of the bubbles in the backflow water is controlled.

The present invention provides a system for continuously monitoring and extracting stickies from papermaking white water, and an application for extracting stickies. The system includes a mounting frame, a white water sampling system, a sample pretreatment system, a hot air separation system, a negative pressure extraction system, and an integrated isolation structure. The system uses a sampling port provided on the white water delivery pipeline and a cyclic rotation mechanism of a sampling pulp plate to continuously collect, separate, and extract stickies from the white water. Based on the differences in the physical properties of dissolved wood fiber and stickies, the two are separated using hot air drying and differential adsorption technology. The system is equipped with an intelligent control unit that can monitor changes in stickies content 24 hours a day. The application method includes four steps: continuous extraction, real-time analysis, dynamic feedback control, and adaptive production optimization. The monitoring data is converted into production control instructions to form a closed-loop control system. This effectively reduces the adverse effects of stickies on the papermaking system, and reduces equipment blockages and paper defects.

The invention discloses a compound enzyme preparation process suitable for white cardboard bleaching pulp board polishing pulp, and relates to the technical field of papermaking, the compound enzyme preparation process comprises the following steps: firstly adding 10 parts by mass of deionized water into a container with the volume of 1m < 3 >, then adding 0.1-0.5 part by mass of sodium dehydroacetate or ethyl p-hydroxybenzoate and 0.1-0.8 part by mass of Tween-80, and dissolving; and after dissolving, sequentially adding 15-20 parts of cellulase, 3-6 parts of laccase, 20-30 parts of lipase and 5-10 parts of Fe mimic enzyme, stirring and mixing, and storing in a preparation tank in a low-temperature environment. The prepared compound enzyme is added into pre-grinding bleaching pulp, and through grinding, under the condition of the same freeness of finished paper, the grinding power consumption is greatly reduced, the strength of the finished paper is improved, the surface dust degree of the finished paper is reduced, and the paper pulp whiteness is slightly improved; and the problems of reduction of dust and whiteness and large pulping power consumption caused by white water reuse in the white cardboard production process can be avoided.

The utility model discloses a kind of papermaking white water fiber air floatation device, it is related to papermaking white water recovery technical field, including dross pond, the inside of the dross pond is provided with multiple filter screens, vibration mechanism is provided on the dross pond, the vibration mechanism is used to drive filter screen to vibrate, and press mechanism is connected on the vibration mechanism;The vibration mechanism includes first motor, the first motor is installed above the dross pond, the output end of the first motor is connected with shaft, and the press mechanism includes fixed frame, the fixed frame is connected on the shaft, the press mechanism further includes pressing plate, second fixed ring is connected on the pressing plate, one end of the fixed frame close to second fixed ring is rotatably connected with runner, the runner and second fixed ring contact, and the pressing plate is elastically connected above one of filter screen, the present scheme can further process by-product dross in air floatation device, to improve the recovery value of dross.

The application relates to the corrugated paper production field, in particular to low-energy-consumption high-quality corrugated paper production equipment and a process thereof. Technical problem: In the process of corrugated paper production, the thick white water needs to be recycled for multiple times to realize thickening or dilution of the white water due to the physical performance characteristics of internal materials, thereby causing the working cost of the whole corrugated paper production equipment to increase. Technical scheme: The low-energy-consumption high-quality corrugated paper production equipment comprises a pulping assembly and a headbox assembly. The application adds guanidine hydrochloride and a fat enzyme or a gum control agent to pulp before thick white water is formed, so that the internal gum of the pulp is controlled, the thick white water can be quickly diluted or thickened, and the problem that the thick white water needs to be recycled for multiple times to realize thickening or dilution of the white water due to the physical performance characteristics of internal materials in the process of corrugated paper production is solved.

The utility model discloses a PH value control system for producing liquid packaging paper. The PH value control system comprises a white water tank, a hydrapulper, a chain scraper conveyor, a pulping machine, a surface layer pulp mixing tank, a core layer pulp mixing tank, a bottom layer pulp mixing tank and a monitoring center, the pulp after being pulped by the hydrapulper is stored by a plurality of pulp pumps, filtered and screened, and then is pumped into the pulping machine; a flowmeter used for monitoring the addition amount of liquid caustic soda is arranged at the synchronous pumping liquid caustic soda position while the white water in the white water tank is added into the hydrapulper; a repulping concentration detector used for monitoring the PH value of repulped pulp is further mounted at a repulping outlet of the hydrapulper; a pulping concentration detector used for monitoring the PH value of pulping pulp is further mounted at a pulping outlet of the pulping machine; when paper is processed on the surface pulp line, the bottom pulp line and the pulp preparation line, the PH value of the pulp is adjusted by the monitoring center according to detection signals monitored by the repulping concentration detector and the grinding concentration detector and by controlling the addition amount of the pumped liquid caustic soda through the flow meter.

The utility model relates to the technical field of papermaking white water treatment, and discloses a detection interlocking system for a white water system under a papermaking mesh, which comprises a DCS (Distributed Control System) papermaking system, a papermaking module and a filtering module for filtering white water generated by the papermaking module, and is characterized in that the white water filtered by the filtering module enters a white water tank; the interior of the white water pool is communicated with a retention aid tank through a pipeline, a flow valve is arranged on the pipeline between the retention aid tank and the white water pool, and a stirring assembly is arranged in the middle of the white water pool; a concentration monitoring assembly is arranged in the white water tank, and the white water tank is communicated with a white water purification tank through a drainage pump. According to the utility model, the concentration of white water under a papermaking mesh can be detected and is synchronously fed back to a papermaking DCS (Distributed Control System), so that the addition amount of a retention aid is controlled to ensure that the concentration of the white water and the addition amount of the retention aid are in an optimal state.

1. Name of the designed product: packing box (white water intestine). 2. Use of the designed product: for packing sausage. 3. Design points of the designed product: combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses a kind of pulping white water multi-disc conveying spiral shaft head, it is related to papermaking pulping technical field, including main shaft body and conveying spiral connecting end, the conveying spiral connecting end is fixedly connected in main shaft body end part;The connecting place of main shaft body and conveying spiral connecting end is equipped with flange, the flange is welded with stainless steel flange, main shaft body and stainless steel flange form integral structure, welding seam is formed between the flange and stainless steel flange inner side, four shaft head disassembly jackscrew thread holes that are circumferentially evenly distributed are equipped in the inside of stainless steel flange.The pulping white water multi-disc conveying spiral shaft head, the flange of the shaft head and the conveying spiral connection is changed into stainless steel flange and carbon steel shaft head firm welding into an integral whole, both reduce cost, and also guarantee the durability of easy rusting corrosion site, after amplification of disassembly jackscrew thread hole, the probability of screw rod breakage reduces, and disassembly shaft head is more relaxed.

The utility model relates to a meat pellet feed cooling device capable of reducing white water, which aims at solving the technical problems that the temperatures of the current middle area and the periphery are different, the detection error exists, and a sieve plate is easily opened for sieving materials when the cooling is not in place, and comprises a cooling tank, a bottom frame seat, a connecting ring plate and a temperature detection structure, the connecting ring plate is welded between the cooling tank and the bottom frame seat; the plurality of temperature detection structures are arranged on the connecting ring plate in an annular array; the temperature detection structure comprises a fixing ring and a temperature sensor body; the fixing ring is fixedly arranged on the outer wall of the connecting ring plate; the detection end of the temperature sensor body penetrates through the hole of the fixing ring and the through hole; the pellet feed cooling device has the advantages that the temperature sensor bodies are evenly arranged in the peripheral area of the bottom of the cooling tank, and the pellet feed cooling device is matched with an original detection mechanism in the middle area to jointly detect the pellet feed cooling process in real time.

The present application belongs to the field of papermaking industry water treatment and clean production, especially to a white water treatment system suitable for the spraying water of the wire section and press section of a paper machine, which comprises: a clean water pretreatment unit for high-precision filtration of clean water to remove suspended solids and particulate impurities in the water and ensure the cleanliness of the spraying water; a high-pressure liquid supply unit connected with the clean water pretreatment unit for pressurizing the pretreated clean water to ultrahigh pressure and secondary precision filtration to provide a stable high-pressure cleaning water source; a water quality stabilization unit connected with the high-pressure liquid supply unit for adding a compounded agent to the high-pressure spraying water and real-time regulation and control of the water quality to inhibit bacterial growth and scaling corrosion; and a partition spraying unit connected with the high-pressure liquid supply unit for ultrahigh-pressure precision cleaning of the forming wire and press felt of the wire section and press section of the paper machine. The present application provides a high-integration, recyclable, energy-saving and consumption-reducing spraying water white water treatment system.

The utility model relates to the technical field of papermaking equipment, in particular to papermaking white water stable control equipment which comprises a base, the top of the base is fixedly connected with the bottom of a settling barrel, the inner wall of the settling barrel is movably connected with the outer wall of a quantitative structure in a clamped mode, and the top of the base is fixedly connected with the bottom of a mixing mechanism. White water in a settling barrel body enters a mixing barrel through a mixed water inlet pipe, the white water in the mixing barrel can return to the papermaking process through a mixed water outlet pipe to be recycled, and when the white water in the settling barrel enters the mixing barrel through the mixed water inlet pipe, the white water impacts a stirring rotating plate to enable the stirring rotating plate to rotate; the stirring rotating plate rotates to drive the stirring rotating shaft to rotate, the stirring rotating shaft rotates to drive the stirring plate to rotate, and the stirring plate rotates to stir white water entering the mixing barrel, so that fine fibers, fillers, coatings and other effective components in the white water are uniformly distributed, the product quality is improved, subsequent processing is facilitated, and convenience is brought to people.

The invention relates to an efficient energy-saving process design method for a multi-disc thickener, which comprises the following steps: a bypass channel is constructed between a feeding end and a discharging end of the multi-disc thickener, and is used for guiding part of raw slurry entering the multi-disc thickener to directly flow to an outlet of concentrated slurry; the concentrated slurry is washed with the raw slurry, and the processing capacity of the multi-disc thickener is improved; the concentration of the raw slurry is 0.5-2%, and the concentration of the concentrated slurry is 3-10%. The problem that in order to supply white water and maintain operation of related equipment, extra electric energy needs to be consumed is solved, and the energy consumption cost is further improved. The problems limit the overall performance and the production benefit of the multi-disc thickener.