CN209906600U - Sewage zero release lining cloth pretreatment system - Google Patents
Sewage zero release lining cloth pretreatment system Download PDFInfo
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- CN209906600U CN209906600U CN201920738300.8U CN201920738300U CN209906600U CN 209906600 U CN209906600 U CN 209906600U CN 201920738300 U CN201920738300 U CN 201920738300U CN 209906600 U CN209906600 U CN 209906600U
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- 239000002351 wastewater Substances 0.000 claims abstract description 62
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Abstract
The utility model provides a zero-discharge lining cloth pretreatment system, which comprises a lining cloth pretreatment machine table and a box-type integrated wastewater circulating treatment device, wherein the integrated wastewater circulating treatment device is positioned on one side of the lining cloth pretreatment machine table and is communicated with the lining cloth pretreatment machine table through a pipeline; the lining cloth pretreatment machine platform comprises a cloth feeding frame, two-grid soaking tanks, a submerged boiling box, an open-width crawler steaming box, first to seventh grid washing tanks and a three-column drying cylinder dryer which are sequentially distributed from front to back, wherein the box-type integrated wastewater circulation treatment device comprises an integrated box, a rotary cylinder type filter, a wastewater heat exchanger, an air flotation machine, a settling tank, a bag type filter and a water storage tank, wherein the rotary cylinder type filter, the wastewater heat exchanger, the air flotation machine, the settling tank, the bag type filter and the water storage tank are positioned in the integrated box. The utility model is suitable for an utilize tea saponin as the lining cloth pretreatment process of front assistant, can realize the closed circulation of the process water among the lining cloth pretreatment process, waste water is when the machine is produced, when the machine is handled, when the machine retrieval and utilization, the zero release of sewage. The system has the advantages of high equipment integration degree, small occupied area, low energy consumption, low pollution emission and low production cost.
Description
Technical Field
The utility model relates to a lining cloth treatment facility technical field especially relates to a sewage zero release lining cloth pretreatment system.
Background
The traditional pretreatment process in the textile industry generally adopts a caustic soda and hydrogen peroxide alkaline-oxygen desizing, boiling, bleaching and washing process, a large amount of wastewater with high COD concentration, high PH and high conductivity is generated, the wastewater treatment capacity and treatment difficulty are large, the operation cost is high, and the pollution to the environment is serious. The tea saponin is applied to the pretreatment process in the textile industry and has the functions of desizing and scouring. The treating fluid does not contain any harmful chemical elements such as formaldehyde, APEO (alkylphenol ethoxylates) and the like, and caustic soda and hydrogen peroxide are not needed to be added when the treating fluid is used, so that various technical requirements of pretreatment in the textile industry can be met. The tea saponin replaces caustic soda, and the PH of the generated wastewater is lower than 10; the conductivity is low, is at 1500us/cm, is only 1/10 of the traditional process wastewater; and the waste water is durable in storage, free of layering and smelly, and has basic conditions for realizing the recycling of the waste water. However, in the prior art, the sewage treatment mode of the textile industry is basically that wastewater generated by all machines, processes and places is mixed to a sewage station of a factory and then is treated in a centralized manner, and due to the uncertainty of starting and stopping of machines and process equipment and the uncertainty of using chemical agents, the sewage station has the disadvantages of large inlet water quality fluctuation, poor stability, complex water quality, high difficulty in stable standard discharge and high sewage treatment cost. In the lining cloth pretreatment process, a pretreatment process of tea saponin replacing caustic soda is used, basic conditions are provided for the reutilization of waste water, if a lining cloth pretreatment system integrating a production machine and a waste water treatment device can be developed in a matched manner, the waste water generated in the lining cloth pretreatment process is independently collected and treated, and when the lining cloth pretreatment system is used in production and crash, the zero discharge of the waste water in the lining cloth pretreatment process can be realized, the production cost of the lining cloth is greatly reduced, and the environmental pollution is reduced.
Disclosure of Invention
The utility model provides a technical problem provide a sewage zero release lining cloth pretreatment system. The system is suitable for the lining cloth pretreatment process by using tea saponin as a front auxiliary agent, can realize closed cycle of production water in the lining cloth pretreatment process, and realizes zero discharge of wastewater in machine-halt production, machine-halt treatment and machine-halt recycling. The system has the advantages of high equipment integration degree, small occupied area, low energy consumption, low pollution emission and low production cost.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a sewage zero release lining cloth pretreatment system which characterized in that: the integrated wastewater circulating treatment device is positioned on one side of the lining cloth pretreatment machine and is communicated with the lining cloth pretreatment machine through a pipeline; the lining cloth pretreatment machine platform comprises a cloth feeding frame, two lattice soaking tanks, an underwater scouring tank, an open-width crawler steaming tank, first to seventh lattice rinsing tanks and a three-column drying cylinder dryer which are sequentially distributed from front to back, the box-type integrated wastewater circulating treatment device comprises an integration box, a rotary drum type filter, a wastewater heat exchanger, an air flotation machine, a settling tank, a bag type filter and a water storage tank, wherein the rotary drum type filter, the open-width crawler steaming tank, the first to sixth lattice rinsing tanks and the seventh lattice rinsing tank are positioned in the integration box, the first to sixth lattice rinsing tanks are closed rinsing tanks, the seventh lattice rinsing tank is an open rinsing tank, water in the seventh lattice rinsing tank sequentially flows forwards and reversely flows to the first lattice rinsing tank, the first lattice rinsing tank and the rotary drum type filter are communicated by a wastewater collecting pipeline, the rear part of the rotary drum type filter is sequentially communicated with the wastewater heat exchanger, the air flotation machine, the settling tank and the bag type filter by a wastewater treating pipeline, wherein the first reuse water pipeline is communicated with the fourth lattice rinsing bath, the second reuse water pipeline is communicated with the water storage tank, the third reuse water pipeline is communicated with the two lattice soaking baths, the water storage tank is communicated with the two lattice soaking baths by utilizing the third reuse water pipeline, the waste water heat exchanger is provided with a fresh cold water circulating pipeline, and the water outlet of the fresh cold water circulating pipeline is communicated with the seventh lattice rinsing bath.
Furthermore, a coagulant dosing pump and a flocculant dosing pump are arranged above the air floatation machine, a PH regulator feeding pump is arranged above the settling tank, the coagulant dosing pump is communicated with a coagulant storage tank through a pipeline, the flocculant dosing pump is communicated with a flocculant storage tank through a pipeline, and the PH regulator feeding pump is communicated with the PH regulator storage tank through a pipeline.
Furthermore, a feed liquid filter box and a liquid medicine material melting cylinder are arranged on the lateral sides of the two-grid soaking tank, the feed liquid filter box is communicated with the two-grid soaking tank through a pipeline to circularly filter the liquid medicine in the two-grid soaking tank, and the liquid medicine material melting cylinder introduces the reuse water of a third reuse water pipeline to melt the material and supplement the liquid medicine for the two-grid soaking tank and the submerged scouring tank.
Furthermore, the air flotation machine and the settling tank are both connected with a waste residue collecting barrel, and the waste residue collecting barrel is connected with a vacuum filter to filter waste residues.
Sewage zero release lining cloth pretreatment system, with waste water circulation processing apparatus integrated in a box, use with lining cloth pretreatment board is supporting, make entire system's process water form closed cycle, process wastewater adopts instant production, instant processing, instant retrieval and utilization mode. The box-type integrated wastewater circulating treatment device only needs a plurality of simple pipelines to be communicated with the lining cloth pretreatment machine table, so that the standardized and integrated treatment is facilitated. The box-type integrated wastewater circulating treatment device occupies small area and is suitable for being matched with the existing production equipment. High temperature waste water that first check wash bowl came out contains material such as a large amount of PVA thick liquids, and high temperature waste water can make the PVA thick liquids in the waste water flocculate into the flocculus after the cooling process in waste water heat exchanger, and the PVA thick liquids pollutant of being convenient for is discharged in subsequent processing procedure. Cold water in a fresh cold water circulating pipeline of the waste water heat exchanger is used as condensation water, and the condensation water directly enters the seventh-grid rinsing bath as clean water for washing and spraying after absorbing heat, so that energy consumption required by the rinsing bath for heating is reduced. The energy-saving and environment-friendly effect is obvious.
Drawings
FIG. 1 is a schematic structural view of a sewage zero-discharge lining cloth pretreatment system of the utility model;
the corresponding part names in the figure are: 1, a cloth feeding frame; 2, two soaking tanks; 3, an open-width caterpillar band steaming box; 4 a first-grid rinsing bath; 5 a second washing tank; 6 a third washing tank; 7, a fourth rinsing bath; 8, a fifth washing trough; 9 a sixth washing tank; 10 a seventh rinsing bath; 11 three-column drying cylinder dryer; 12 an integration box; 13 a drum filter; 14 waste water heat exchanger; 15, an air floating machine; 16 a settling tank; 17 a bag filter; 18 a water storage tank; 19 a waste water collecting pipeline; 20 a wastewater treatment pipeline; 21 a first recycling water pipeline; 22 a second path of reuse water pipeline; 23 a third recycling water pipeline; 24 a coagulant adding pump; 25 flocculating agent dosing pump; 26 a pH regulator feeding pump; 27 a coagulant storage tank; 28 a flocculant storage tank; 29 a pH regulator storage tank; 30 feed liquid filter boxes; 31 medicine liquid material cylinder; 32 waste residue collecting barrels; 33 a vacuum filter; 34 a boiling-off box under liquid; 141 fresh cold water circulation circuit.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, the utility model provides a wastewater zero discharge lining cloth pretreatment system, which comprises a lining cloth pretreatment machine and a box-type integrated wastewater circulation treatment device, wherein the integrated wastewater circulation treatment device is positioned at one side of the lining cloth pretreatment machine and is communicated with the lining cloth pretreatment machine through a pipeline; the lining cloth pretreatment machine comprises a cloth feeding frame 1, two lattice soaking tanks 2, an underwater scouring tank 34, an open-width crawler steaming tank 3, a first lattice rinsing tank 4, a second lattice rinsing tank 5, a third lattice rinsing tank 6, a fourth lattice rinsing tank 7, a fifth lattice rinsing tank 8, a sixth lattice rinsing tank 9, a seventh lattice rinsing tank 10 and a three-column dryer 11 which are sequentially distributed from front to back, wherein the box type integrated wastewater circulating treatment device comprises an integrated box 12, a rotary drum type filter 13 positioned in the integrated box, a wastewater heat exchanger 14, an air floatation machine 15, a settling tank 16, a bag type filter 17 and a water storage tank 18, the first to sixth lattice rinsing tanks are closed rinsing tanks, the seventh lattice rinsing tank is a rinsing tank, water in the seventh lattice rinsing tank flows forwards to the first lattice rinsing tank in sequence, the first lattice rinsing tank is communicated with the rotary drum type filter by using a wastewater collecting pipeline 19, the rear part of the rotary drum type filter 13 is communicated with a waste water heat exchanger 14, an air flotation machine 15, a settling tank 16 and a bag filter 17 in sequence by using a waste water treatment pipeline 20, the water outlet of the bag filter 17 is used as a reuse water pipeline which is divided into three paths, wherein the first path of reuse water pipeline 21 is communicated with a fourth lattice rinsing bath 7, the second path of reuse water pipeline 22 is communicated with a water storage tank 18, the third path of reuse water pipeline 23 is communicated with a two-lattice soaking bath 2, the water storage tank 18 is communicated with the two lattice soaking baths by using the third path of reuse water pipeline 23, the waste water heat exchanger 14 is provided with a fresh cold water circulation pipeline 141, and the water outlet of the fresh cold water circulation pipeline 141 is communicated with a seventh lattice rinsing. A coagulant dosing pump 24 and a flocculant dosing pump 25 are arranged above the air flotation machine 15, a PH regulator feeding pump 26 is arranged above the settling tank, the coagulant dosing pump is communicated with a coagulant storage tank 27 through a pipeline, the flocculant dosing pump is communicated with a flocculant storage tank 28 through a pipeline, and the PH regulator feeding pump is communicated with a PH regulator storage tank 29 through a pipeline. The feed liquid filter tank 30 and the liquid medicine material melting cylinder 31 are arranged in front of the two-grid material soaking tank 2, the feed liquid filter tank 30 is communicated with the two-grid material soaking tank 2 through a pipeline to filter the liquid medicine in the two-grid material soaking tank, the liquid medicine material melting cylinder 31 introduces the reuse water of the third-path reuse water pipeline 23 to melt the materials, and the two-grid material soaking tank 2 and the liquid medicine boiling tank are supplemented with the liquid medicine. The flotation machine 15 and the settling tank 16 are both connected to a waste residue collecting tank 32, which is connected to a vacuum filter 33.
Use the utility model provides a sewage zero release lining cloth pretreatment system's specific process flow as follows: the first step), the cloth is sent into the two-grid soaking trough 2 by the cloth feeding frame 1, and the cloth feeding frame plays a role in flattening the cloth and adjusting the tension. The method comprises the steps of padding a grey cloth with a feed liquid in a two-grid padding trough 2 and an underwater scouring box, wherein the padding liquid is soaked for two times, the liquid carrying rate is more than 85%, and each liter of the feed liquid contains 12-15 g of tea saponin, 20-22 g of hydrogen peroxide and 3 g of hydrogen peroxide stabilizer. And step two), steaming and piling by using an open-width crawler steaming box for 45-60 minutes to ensure that the feed liquid fully reacts with impurities on the cloth. The main impurities comprise pulp, a small amount of grease and wax, and cotton seed hulls, pectin, gray matter, salt and other impurities on the polyester cotton fabric. The slurry becomes loose and bulked under the action of the tea saponin, the bonding force with fiber is greatly reduced, and the slurry is changed into soluble micromolecule soluble substances through the oxidative cracking reaction of hydrogen peroxide; impurities such as wax, grease, pectin and the like are also changed into soluble washable substances through emulsification and saponification of tea saponin, and the coloring group of the cottonseed hull pigment is oxidized and broken through the bleaching action of hydrogen peroxide, so that the pigment is removed. Step three), washing in the first to seventh grids of washing tanks, wherein the first to sixth grids of washing tanks are closed washing tanks, the washing temperature is 90 degrees, and the constant temperature is automatically controlled; and finally, the seventh rinsing bath is an open rinsing bath, and the water temperature is 50-60 degrees. The water of the seventh lattice rinsing bath flows forward in sequence and flows back to the first lattice rinsing bath, fresh clean water is added from the seventh lattice rinsing bath, the recycled water added after treatment in the first path of recycled water pipeline 21 enters the fourth lattice rinsing bath 7, and the wastewater flows out of the first lattice rinsing bath and then enters the integrated wastewater circulating treatment device for treatment. And step four), drying the washed cloth on a three-column drying cylinder 11, and indirectly drying the cloth by taking steam as a medium. And in the drying step, 20 percent of water is evaporated, and fresh clean water is replenished in a seventh rinsing bath. And (4) rolling the dried cloth for later working procedures.
In the box-type integrated wastewater circulating treatment device, the rotary drum type filter 13 mainly filters fiber flock falling off from wastewater continuously; the waste water heat exchanger 14 has the function of reducing the temperature of the waste water, so that substances such as PVA slurry and the like in the waste water are rapidly polymerized into floccules, and the floccules float to the liquid surface. The waste water heat exchanger 14 also serves to heat the make-up water using the heat energy of the waste water. Coagulant agent and high molecular weight flocculant are added in the subsequent air floatation process, so that PVA slurry in the waste liquid is quickly flocculated into floccules. The air flotation machine 15 is used for floating wastewater containing a large amount of floccules to generate 15-20um small bubbles, the floccules and the bubbles in the wastewater are attached together, and the floccules float to the liquid level and then are conveyed into the waste residue collecting barrel 32 by the scraper because of light specific gravity, and more than 80% of slurry in the process is removed. The clear liquid that the air supporting machine came out gets into the setting tank 16, and partial wadding group and fibre absorption combine together, and the proportion is great, can sink to the bottom, and some incrustation scale sediment also can sink to the equipment bottom simultaneously, and these are got rid of from setting tank 16 bottom through deposiing, get into waste residue collecting vessel 32 together. Floccules and precipitates generated by the air flotation machine and the sedimentation tank are filtered by a bag filter 17, and then are aired or dried, and the main components are cotton wool, starch, scale slag and the like which are common solid wastes and are delivered to a garbage power plant for incineration and resource utilization. The water storage tank 18 is sealed and is not infected with raw and cold water, so that the treated reuse water can not deteriorate for a long time.
The utility model provides a sewage zero release lining cloth pretreatment system uses output to calculate for 3000 meters/hour's equipment scale, and the water consumption is 5.5 tons/h per hour, wherein changes material water consumption 0.5 tons/h, and washing water consumption 5 tons/h replenishes fresh water volume 1.5 tons/h, and 4 tons/h of used water are repeated, and stoving evaporation 1.5 tons/h. Fresh clean water is supplemented to the last 3 of the 7-lattice water washing of the device to ensure the sufficiency of water and the water washing effect of the final finished product, and the PH value of the cloth surface is neutral. The steam can be saved by about 1600 tons every year, and the wastewater discharge can be reduced by about 14400 tons every year.
Use the utility model provides a product whiteness degree, the feeling of sewage zero release lining cloth pretreatment system production, intensity all reach higher standard, do not discharge waste water. Realizes the pretreatment, the boiling and the bleaching processes of the lining cloth and zero sewage discharge.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a sewage zero release lining cloth pretreatment system which characterized in that: the integrated wastewater circulating treatment device is positioned on one side of the lining cloth pretreatment machine and is communicated with the lining cloth pretreatment machine through a pipeline; the lining cloth pretreatment machine platform comprises a cloth feeding frame, two lattice soaking tanks, an underwater scouring tank, an open-width crawler steaming tank, first to seventh lattice rinsing tanks and a three-column drying cylinder dryer which are sequentially distributed from front to back, the box-type integrated wastewater circulating treatment device comprises an integration box, a rotary drum type filter, a wastewater heat exchanger, an air flotation machine, a settling tank, a bag type filter and a water storage tank, wherein the rotary drum type filter, the open-width crawler steaming tank, the first to sixth lattice rinsing tanks and the seventh lattice rinsing tank are positioned in the integration box, the first to sixth lattice rinsing tanks are closed rinsing tanks, the seventh lattice rinsing tank is an open rinsing tank, water in the seventh lattice rinsing tank sequentially flows forwards and reversely flows to the first lattice rinsing tank, the first lattice rinsing tank and the rotary drum type filter are communicated by a wastewater collecting pipeline, the rear part of the rotary drum type filter is sequentially communicated with the wastewater heat exchanger, the air flotation machine, the settling tank and the bag type filter by a wastewater treating pipeline, wherein the first reuse water pipeline is communicated with the fourth lattice rinsing bath, the second reuse water pipeline is communicated with the water storage tank, the third reuse water pipeline is communicated with the two lattice soaking baths, the water storage tank is communicated with the two lattice soaking baths by utilizing the third reuse water pipeline, the waste water heat exchanger is provided with a fresh cold water circulating pipeline, and the water outlet of the fresh cold water circulating pipeline is communicated with the seventh lattice rinsing bath.
2. The sewage zero-discharge lining cloth pretreatment system according to claim 1, characterized in that: a coagulant dosing pump and a flocculant dosing pump are arranged above the air flotation machine, a PH regulator feeding pump is arranged above the settling tank, the coagulant dosing pump is communicated with the coagulant storage tank through a pipeline, the flocculant dosing pump is communicated with the flocculant storage tank through a pipeline, and the PH regulator feeding pump is communicated with the PH regulator storage tank through a pipeline.
3. The sewage zero-discharge lining cloth pretreatment system according to claim 1, characterized in that: the side of the two-grid soaking tank is provided with a feed liquid filter box and a liquid medicine material melting cylinder, the feed liquid filter box is communicated with the two-grid soaking tank through a pipeline, liquid medicine in the two-grid soaking tank is filtered, and the liquid medicine material melting cylinder introduces reuse water of a third route of reuse water pipeline to melt materials and supplement the liquid medicine for the two-grid soaking tank.
4. The sewage zero-discharge lining cloth pretreatment system according to claim 1, characterized in that: the air flotation machine and the settling tank are both connected with a waste residue collecting barrel, and the waste residue collecting barrel is connected with a vacuum filter.
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| CN201920738300.8U CN209906600U (en) | 2019-05-22 | 2019-05-22 | Sewage zero release lining cloth pretreatment system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110040933A (en) * | 2019-05-22 | 2019-07-23 | 刘届 | Sewage zero-discharge lining cloth preprocessing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110040933A (en) * | 2019-05-22 | 2019-07-23 | 刘届 | Sewage zero-discharge lining cloth preprocessing system |
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Effective date of registration: 20201228 Address after: 050000 No.7, Lingda Road, equipment manufacturing base, Luancheng District, Shijiazhuang City, Hebei Province Patentee after: Huayu Shengda environmental technology Hebei Co.,Ltd. Address before: 050000 No.103, unit 3, building 2, No.4 TIYU North Street, Chang'an District, Shijiazhuang City, Hebei Province Patentee before: Liu Jie |