CN102311186B - Circulative reclamation processing system and processing technology of weaving jet wastewater - Google Patents
Circulative reclamation processing system and processing technology of weaving jet wastewater Download PDFInfo
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- CN102311186B CN102311186B CN 201110103299 CN201110103299A CN102311186B CN 102311186 B CN102311186 B CN 102311186B CN 201110103299 CN201110103299 CN 201110103299 CN 201110103299 A CN201110103299 A CN 201110103299A CN 102311186 B CN102311186 B CN 102311186B
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- 239000002351 wastewater Substances 0.000 title claims abstract description 55
- 238000005516 engineering process Methods 0.000 title abstract description 7
- 238000009941 weaving Methods 0.000 title abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000005188 flotation Methods 0.000 claims abstract description 39
- 239000010802 sludge Substances 0.000 claims abstract description 30
- 239000010865 sewage Substances 0.000 claims abstract description 23
- 238000004062 sedimentation Methods 0.000 claims abstract description 18
- 238000001179 sorption measurement Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 26
- 238000001556 precipitation Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000004332 deodorization Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000013043 chemical agent Substances 0.000 abstract 2
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000015271 coagulation Effects 0.000 abstract 1
- 238000005345 coagulation Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 36
- 239000012535 impurity Substances 0.000 description 22
- 238000000034 method Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 8
- 239000000725 suspension Substances 0.000 description 5
- 238000002266 amputation Methods 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005354 coacervation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 239000010784 textile waste Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
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- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses a circulative reclamation processing system and processing technology of weaving jet wastewater. The processing system comprises a sewage tank, an oil-removal adjusting tank, an inclined pipe sedimentation tank used for primary sedimentation, a floatation tank used for wastewater flotation, an adsorption sedimentation tank used for secondary sedimentation, a combined water purifier and a clean water tank, wherein the floatation tank is connected with an air dissolving mechanism for providing dissolved-air water for the floatation tank. The processing system also comprises a chemical agent feeder and a sludge tank, wherein the chemical agent feeder provides a coagulation agent for the inclined pipe sedimentation tank and the floatation tank, and the sludge tank is connected with the inclined pipe sedimentation tank, the floatation tank and the absorption sedimentation tank by a sludge discharging device. The system has the advantages of reasonable framework, small power consumption and low cost, and water quality after weaving jet wastewater processing can achieve the standard of reused water quality.
Description
Technical field
The present invention relates to a kind of system and technique thereof for water spray Weaving-machine waste water being processed and reached water cycle reuse quality standard, belong to the textile waste processing technology field.
Background technology
Because the lasting deterioration that industrialization development brings water surrounding, the day by day shortage of water resources makes country to environment-friendly water-saving problem pay attention to day by day, the wastewater treatment emission standard has generally been improved in dyeing and printing process industry area of concentration, the northern part water-deficient areas such as Jiangsu and Zhejiang Provinces, Guangdong one band at present; Wastewater displacement to printing and dyeing enterprise also strictly limits, and gets water resources taxes, fee of sewage discharge and also begins significantly to promote.The raising of environmental requirement has made the production capacity expansion of some areas printing and dyeing enterprise be faced with serious threat, therefore, how effectively re-use and how to adopt the water treatment new technology constantly to promote security and the economy of recycling to water resources, will become the lifeline of enterprise development.
Weaving machine with water spraying is textile industry a kind of machine commonly used, when work, need certain clear water to spray and drive, in the waste water of this equipment exhausting, mainly including grease, jelly, suspended particle, chemical grout, heavy metal and organism etc., is one of more unmanageable trade effluent.The following technique of the many employings of existing textile enterprise: first sewage is passed through coarse rack, arrive again water collecting basin, deliver to settling pit through lifting, arrive again settling tank, through the aeration tank, settling tank, the sewage after the emission treatment, this processing is called second-stage treatment; But second-stage treatment does not generally all reach middle standards of water quality, usually need to be for further processing, and will set up intermediate pool, lift pump room, clean water basin, back flushing pump house, complex process, the investment high, energy consumption is large, cost is high.
Summary of the invention
Problem to be solved by this invention just provides a kind of spray and knits waste water circulation treatment system and treatment process thereof, and system architecture is reasonable, power consumption is few, cost is low, and the water quality that spray is knitted after the wastewater treatment can reach the reuse water quality standard.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: the waste water circulation treatment system is knitted in a kind of spray, it is characterized in that: comprise sewage lagoon, oil removal equalizing tank, the tube settler that is used for primary sedimentation, the air flotation pool that is used for the waste water flotation that connects successively, adsorption precipitation pond, combined water purifying device and the clean water basin that are used for secondary sedimentation; Be connected with molten mechanism of qi structure on the described air flotation pool and provide dissolved air water for it; Also include the sludge sump that chemicals dosing plant provides coagulated agent, is connected by mud discharging device with described tube settler, air flotation pool, adsorption precipitation pond for tube settler and air flotation pool.
Further, the pond body in described tube settler, air flotation pool and adsorption precipitation pond is positioned on the ground, and the pond body of described sewage lagoon, oil removal equalizing tank and clean water basin is positioned at underground and supports with beam column, is provided with lift pump between oil removal equalizing tank and tube settler.Adopt up and down two-layer three-dimensional structure, reduced land area.
Further, described molten mechanism of qi structure comprises dissolving, is connected with for the air dissolved pump of part air supporting water outlet being squeezed into dissolving on the described dissolving, is used for pressurized air is squeezed into the air compressor machine of dissolving formation dissolved air water and the reliever that is used for dissolved air water is released into air flotation pool.In air flotation pool, the dissolved air water of release with contact through the reacted waste water of dosing, the material such as solvability oil impurities, suspended impurity and bubble adhere to each other and form proportion less than 1 flco in the water, and float on liquid level, are regularly entered in the sludge sump by mud discharging device.
Further, be provided with barrier apparatus between described sewage lagoon and oil removal equalizing tank.Be used for the amputation spray and knit the macrobead suspended impurity of waste water.
Further, be connected with oil sump on the described oil removal equalizing tank, collect the oil of separating, reproducible utilization also can be used as general oil fuel and uses.
Further, described clean water basin provide reuse water by frequency conversion water supply facility to the workshop, control is convenient, power consumption less, cost is low.
Further, also be connected with the sludge press filtration device on the described sludge sump and be used for sludge dehydrating and drying, realize the mud recycling, improve the comprehensive utilization ratio that waste water is knitted in spray.
Further, described sludge press filtration device adopts plate-and-frame filter press, and it is the ideal equipment that the suspension solid, liquid two-phase separates, and has the characteristics such as light and handy, flexible, reliable.
Further, also be connected with active carbon deodorization device on the described sewage lagoon.
For solving the problems of the technologies described above, the invention allows for a kind of spray and knit the waste water circulation treatment process, it is characterized in that comprising the steps:
1) spray in the sewage lagoon is knitted waste water and is entered the oil removal equalizing tank, removes the suspension oil impurities in the oil removal equalizing tank;
2) waste water lifting after the oil removal adds coagulated agent and makes itself and the impurity hybrid reaction, the coagulative precipitation that make in the waste water to tube settler in the tube settler, and throw out enters sludge sump by mud discharging device;
3) waste water behind the primary sedimentation passes into air flotation pool, air flotation pool passes into dissolved air water when adding coagulated agent, make and produce trickle bubble in the waste water, the solvability oil impurities in the waste water, suspended impurity and bubble adhesion form flocs unit and float on liquid level and enter sludge sump by mud discharging device;
4) waste water after the flotation passes into the adsorption precipitation pond, and the flocs unit that does not flotate in the air flotation pool is carried out adsorption precipitation, and throw out enters sludge sump by mud discharging device;
5) waste water after the secondary sedimentation passes into the combined water purifying device and further filters, clarifies, and passes at last clean water basin for the workshop reuse.
Beneficial effect of the present invention:
1, since spray knit the waste water slant acidity and contain the impurity such as slurry, oils and organic suspension class, the treatment process of therefore selecting precipitation and flotation to combine, deoiling of wastewater, destarch effect are remarkable; After treatment water outlet reaches among the national sewage comprehensive emission standard GB8978-96 primary standard and is back to water spray and weaves;
2, adopt molten mechanism of qi structure, realize the further rejecting of the materials such as solvability oil impurities, suspended impurity in the water, improve reuse water water quality;
3, the setting of oil sump, sludge press filtration device has improved the comprehensive utilization ratio that waste water is knitted in spray.
4, system adopts up and down two-layer three-dimensional structure, has reduced land area.
Description of drawings
The present invention is described further below in conjunction with accompanying drawing
Fig. 1 is system architecture layout drawing of the present invention;
Fig. 2 is process flow diagram of the present invention;
Fig. 3 is A-A sectional view among Fig. 1;
Fig. 4 is B-B sectional view among Fig. 1.
Embodiment
With reference to Fig. 1, Fig. 2, the present invention is that the waste water circulation treatment system is knitted in a kind of spray, the chemicals dosing plant 30 that comprises sewage lagoon 1, oil removal equalizing tank 2, is used for the tube settler 3 of primary sedimentation, the air flotation pool 4 that is used for the waste water flotation, the adsorption precipitation pond 5 that is used for secondary sedimentation, combined water purifying device 6, clean water basin 7, sludge sump 9, mud discharging device 91 and coagulated agent is provided for tube settler 3 and air flotation pool 4; Be connected with molten mechanism of qi structure on the air flotation pool 4 and provide dissolved air water for it, realize the waste water flotation; Molten mechanism of qi structure comprises dissolving 42, is connected with for the air dissolved pump 41 of part air supporting water outlet being squeezed into dissolving 42 on the described dissolving 42, is used for pressurized air is squeezed into the air compressor machine 44 of dissolving 42 formation dissolved air waters and the reliever 43 that is used for dissolved air water is released into air flotation pool 4.In air flotation pool 4, the dissolved air water that discharges with contact through the reacted waste water of dosing, the material such as solvability oil impurities, suspended impurity and bubble adhere to each other and form proportion less than 1 flco in the water, and float on liquid level, are regularly entered in the sludge sump 9 by mud discharging device 91.
2 of sewage lagoon 1 and oil removal equalizing tanks are provided with barrier apparatus 10, are used for the macrobead suspended impurity that waste water is knitted in the amputation spray; Be connected with oil sump 20 on the oil removal equalizing tank 2, collect the oil of separating, reproducible utilization also can be used as general oil fuel and uses; Clean water basin 78 provide reuse water by frequency conversion water supply facility 71 to the workshop; Be connected with sludge press filtration device 92 on the sludge sump 9 and be used for sludge dehydrating and drying; Sludge press filtration device 92 adopts plate-and-frame filter press; Also be connected with active carbon deodorization device 11 on the sewage lagoon 1.
In order to have reduced land area, the structure of system can be used for structure shown in Fig. 3,4, tube settler 3, air flotation pool 4 are positioned on the ground with the pond body in adsorption precipitation pond 5, the pond body of described sewage lagoon 1, oil removal equalizing tank 2 and clean water basin 7 is positioned at underground and supports with beam column, and 3 of oil removal equalizing tank 2 and tube settlers are provided with lift pump.Adopt up and down two-layer three-dimensional structure, can effectively reduce land area.
It is as follows that the treatment process of waste water circulation treatment system is knitted in above-mentioned spray:
1) spray in the sewage lagoon 1 is knitted waste water and is entered oil removal equalizing tank 2, removes the suspension oil impurities in the oil removal equalizing tank;
2) waste water lifting after the oil removal adds coagulated agent and makes itself and the impurity hybrid reaction, the coagulative precipitation that make in the waste water to tube settler 3 in the tube settler, and throw out enters sludge sump by mud discharging device 91;
3) waste water behind the primary sedimentation passes into air flotation pool 4, air flotation pool passes into dissolved air water when adding coagulated agent, make and produce trickle bubble in the waste water, the solvability oil impurities in the waste water, suspended impurity and bubble adhesion form flocs unit and float on liquid level and enter sludge sump by mud discharging device 91;
4) waste water after the flotation passes into adsorption precipitation pond 5, and the flocs unit that does not flotate in the air flotation pool is carried out adsorption precipitation, and throw out enters sludge sump by mud discharging device 91;
5) waste water after the secondary sedimentation passes into combined water purifying device 6 and further filters, clarifies, and passes at last clean water basin 7 for the workshop reuses.
Concrete treating processes is: the spray in the sewage lagoon 1 is knitted waste water and is flow automatically behind barrier apparatus 10 amputation macrobead suspended impurities and enter oil removal equalizing tank 2, and the suspension oil impurities floats on liquid level in the water, and through oil sump 20 collect, regeneration; Equalizing tank waste water after preliminary oil removal is promoted by lift pump and enters tube settler 3, chemicals dosing plant 30 adds an amount of coagulated agent to waste water, make all kinds of impurity and the abundant hybrid reaction of medicament in the water, the coacervation precipitation, throw out enters sludge sump 9 by mud discharging device 91; Waste water behind the primary sedimentation enters air flotation pool 4 through pipeline self again, add an amount of coagulated agent by water quality again, by the dissolved air water pump part air supporting water outlet is injected dissolving 42 as recirculation water simultaneously, utilizing air compressor machine 44 that pressurized air is fully dissolved in makes it become dissolved air water in the water, dissolved air water discharges many micro bubbles as working liquid suddenly by reliever 43 in air flotation pool 4, the dissolved air water that discharges with contact through the reacted waste water of dosing, meltability oil impurities and suspended impurity etc. adhere to each other with bubble and form proportion less than on 1 the flocs unit in the water, thereby float on the liquid level of equipment, regularly entered in the sludge sump 9 by mud discharging device 91; Air flotation pool 4 water outlets gravity flows enters adsorption precipitation pond 5, contains 3 D elastic filler in the adsorption precipitation pond 5, does not have the clean flocs unit of flotation to be adsorbed on the 3 D elastic filler in air flotation pool 4, and natural subsidence enters sludge sump 9 by mud discharging device 91 at the bottom of the pond; 5 water outlets of adsorption precipitation pond flow to combined water purifying device 6, further flow to clean water basin 7 after the filtration clarification, are promoted to workshop 8 reuses by frequency conversion water supply facility 71.
Table 1 (cleanup standard):
Table 2 (detected result after the processing of the present invention):
From upper table 1,2 as can be known, select precipitation and the treatment process that combines of flotation after, the composite wastewater of water jet loom garden has been done pre-treatment effectively; Most of organic and inorganic pollutant, solvable and non-solubility pollutent is isolated from sewage effectively; Chemical oxygen demand (COD) in the sewage (COD) reduces greatly, and deoiling of wastewater, destarch effect are remarkable, and pH value is stabilized in about 7.5; After treatment water outlet reaches among the national sewage comprehensive emission standard GB8978-96 primary standard and is back to water spray and weaves.
The above only is specific embodiments of the invention, but constitutional features of the present invention is not limited to this, and any those skilled in the art is in the field of the invention, and the variation of doing or modification all are encompassed among the claim of the present invention.
Claims (7)
1. the waste water circulation treatment system is knitted in a spray, it is characterized in that: comprise sewage lagoon (1), oil removal equalizing tank (2), the tube settler (3) that is used for primary sedimentation, the air flotation pool (4) that is used for the waste water flotation that connects successively, adsorption precipitation pond (5), combined water purifying device (6) and the clean water basin (7) that are used for secondary sedimentation; Be connected with molten mechanism of qi structure on the described air flotation pool (4) and provide dissolved air water for it; Also include the sludge sump (9) that chemicals dosing plant (30) provides coagulated agent, is connected by mud discharging device (91) with described tube settler (3), air flotation pool (4), adsorption precipitation pond (5) for tube settler (3) and air flotation pool (4); Described tube settler (3), air flotation pool (4) are positioned on the ground with the pond body in adsorption precipitation pond (5), the pond body of described sewage lagoon (1), oil removal equalizing tank (2) and clean water basin (7) is positioned at underground and supports with beam column, is provided with lift pump between oil removal equalizing tank (2) and tube settler (3); Described clean water basin (7) provide reuse water by frequency conversion water supply facility (71) to the workshop.
2. the waste water circulation treatment system is knitted in described a kind of spray according to claim l, it is characterized in that: described molten mechanism of qi structure comprises dissolving (42), is connected with for the air dissolved pump (41) of part air supporting water outlet being squeezed into dissolving (42) on the described dissolving (42), is used for pressurized air is squeezed into the air compressor machine (44) of dissolving (42) formation dissolved air water and the reliever (43) that is used for dissolved air water is released into air flotation pool (4).
3. the waste water circulation treatment system is knitted in described a kind of spray according to claim l, it is characterized in that: be provided with barrier apparatus (10) between described sewage lagoon (1) and oil removal equalizing tank (2).
4. knit the waste water circulation treatment system according to claim l or 3 described a kind of sprays, it is characterized in that: be connected with oil sump (20) on the described oil removal equalizing tank (2).
5. the waste water circulation treatment system is knitted in described a kind of spray according to claim l, it is characterized in that: also be connected with sludge press filtration device (92) on the described sludge sump (9) and be used for sludge dehydrating and drying.
6. the waste water circulation treatment system is knitted in a kind of spray according to claim 5, it is characterized in that: described sludge press filtration device (92) adopts plate-and-frame filter press.
7. knit the waste water circulation treatment system according to claim l or 3 described a kind of sprays, it is characterized in that: also be connected with active carbon deodorization device (11) on the described sewage lagoon (1).
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| CN 201110103299 CN102311186B (en) | 2011-04-25 | 2011-04-25 | Circulative reclamation processing system and processing technology of weaving jet wastewater |
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| CN102701477A (en) * | 2012-05-25 | 2012-10-03 | 宜兴市金鱼陶瓷有限公司 | Waste muddy water recycling system |
| CN104045178A (en) * | 2013-03-12 | 2014-09-17 | 绍兴深水环保设备有限公司 | Hydraulic-loom wastewater treatment recycling method |
| CN103570159A (en) * | 2013-11-14 | 2014-02-12 | 常州大学 | Device for treating high-concentration ammonia nitrogen in coal chemical wastewater in vortex mixing dispersion way by using surfactant |
| CN104496098A (en) * | 2014-12-26 | 2015-04-08 | 浙江省环境工程有限公司 | Water-jet loom wastewater recycling treatment method and recycling treatment system |
| CN105254059A (en) * | 2015-09-30 | 2016-01-20 | 北京东方雨虹防水技术股份有限公司 | Sewage treatment system and method |
| CN106630305A (en) * | 2017-02-27 | 2017-05-10 | 陕西榆林协创资源再生有限公司 | System and method for treating sewage after cleaning of HDPE (high-density polyethylene) recycling material |
| CN106746039A (en) * | 2017-03-30 | 2017-05-31 | 江苏永益环保科技有限公司 | Defatting-bonderizing Waste Water Treatment |
| CN108017190A (en) * | 2017-10-27 | 2018-05-11 | 上海金昌不锈钢管制造有限公司 | A kind of sour water workshop sewage disposal circulatory system |
| CN109592817A (en) * | 2018-12-20 | 2019-04-09 | 四川水沐环保科技有限公司 | A kind of sewage deep dephosphorization treatment system and technique |
| CN110776161A (en) * | 2019-12-07 | 2020-02-11 | 新晃县污水处理有限责任公司 | Wastewater treatment system and process thereof |
| CN111115954A (en) * | 2019-12-28 | 2020-05-08 | 无锡夏利达漂染有限公司 | Yarn dyeing wastewater reclaimed water recycling system |
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