CN103991981B - Filtration device of decoloration pond - Google Patents
Filtration device of decoloration pond Download PDFInfo
- Publication number
- CN103991981B CN103991981B CN201410222608.9A CN201410222608A CN103991981B CN 103991981 B CN103991981 B CN 103991981B CN 201410222608 A CN201410222608 A CN 201410222608A CN 103991981 B CN103991981 B CN 103991981B
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- China
- Prior art keywords
- rotating cylinder
- decolouring pond
- rotary barrel
- filtration unit
- handle box
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- Filtration Of Liquid (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a filtration device of a decoloration pond. The filtration device comprises a water inlet pipe and a rotary barrel, wherein the rotary barrel is arranged at the middle of the decoloration pond and is driven to rotate by a motor through a transmission case; an outer layer of the rotary barrel is formed by a filter plate made of stainless steel; an inner layer of the rotary barrel is formed by a polypropylene filter membrane which is bonded with the outer layer together; an outlet is formed below the side of the decoloration pond; the water inlet pipe is arranged at one side of an opening of the rotary barrel; a treatment box is arranged at the other side of the opening of the rotary barrel and is connected with the decoloration pond through a bracket; 4 to 10 layers of baffle plates are arranged in the treatment box; ferrous sulfate and alkali aluminum are arranged on each layer of the baffle plate. According to the device, the wastewater decoloration and a flocculation reaction are simultaneously carried out, so that the value of COD in the wastewater is decreased and SS pollutants in the wastewater are removed; the wastewater is thrown out of the polypropylene filter membrane by virtue of the centrifugal force of the rotary barrel while cotton yarns, fibers and impurities are intercepted in the rotary barrel. The device is simple in structure and good in filtration effect. Based on the device, subsequent hydrolysis and acidification reactions are easy to carry out; large quantities of decomposition bacteria are not required.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of decolouring pond filtration unit.
Background technology
Along with society's constantly progress, the requirement of people to environmental protection is more and more higher, wherein the requirement of waste water treatment discharge is more and more stricter, dyeing waste water is that processing is cotton, fiber crops, man-made fiber and blending product thereof are the waste water that main printing and dyeing mill discharges, its waste water treatment process, generally comprise following steps: grid filtration, equalizing tank regulates pH value, the decolouring of decolouring pond and flocculation reaction, hydrolysis and acidification reaction, enter Aerobic Pond and utilize oxygen metabolism, finally discharge, wherein the decolouring of decolouring pond and flocculation reaction can produce throw out, although throw out can decompose by the hydrolysis in rear road and acidification reaction, but have little time to decompose completely, and a lot of decomposer will be cultivated, cost is large.
Summary of the invention
For solving the problem, the invention discloses a kind of decolouring pond filtration unit, the throw out that decolouring and flocculation reaction produce can be filtered out, throw out does not flow into next procedure, the hydrolysis in Shi Hou road and acidification reaction easily carry out, and do not need to use too many decomposer.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of decolouring pond filtration unit, it is characterized in that: comprise water inlet pipe, rotating cylinder, described rotating cylinder is arranged in the middle of decolouring pond, rotating cylinder by motor through transmission case driven rotary, described rotating cylinder is the cylindrical of upper opening, its skin is stainless steel screen plate, internal layer is that polypropylene filter is together with outer tire layer, outlet is arranged on decolouring pond side-lower, described water inlet pipe is arranged on side, drum opening place, drum opening place opposite side is provided with handle box, described handle box is connected with decolouring pond by support, handle box top and rotating cylinder top contour, there is the gap of 5-20mm with cylinder bottom bottom handle box, handle box outside is stainless steel filter screen, filtering net is provided with dodge gate, inside is provided with 4-10 layer dividing plate, every layer of dividing plate is provided with ferrous sulfate and alkali aluminium, distance between every layer of dividing plate is identical.
As a modification of the present invention, described rotating cylinder is contour with decolouring pond.
As a modification of the present invention, described exit is provided with filtering grid.
As a modification of the present invention, the filtration mesh of described filtering grid is 0.1-0.5mm.
As a modification of the present invention, inside described exit, be provided with the grains of sand.
As a modification of the present invention, the mesh of described stainless steel screen plate is the 0.3-0.5mm aperture that interval splits.
As a modification of the present invention, the filter opening aperture of described polypropylene filter is 5-50 μm.
As a modification of the present invention, be provided with dirt-discherging outlet below described rotating cylinder and extend to outside bottom decolouring pond, stopper clogs dirt-discherging outlet.
As a modification of the present invention, described water inlet pipe is provided with stopping valve.
The invention has the beneficial effects as follows:
One decolouring pond of the present invention filtration unit, waste water decoloring and flocculation reaction complete simultaneously, reduce the COD value in waste water and remove SS pollutent, waste water throws away by the centrifugal force utilizing rotating cylinder to rotate from polypropylene filter, cotton yarn, fiber, impurity are intercepted in rotating cylinder, and structure is simple, good filtration effect, the hydrolysis in Shi Hou road and acidification reaction easily carry out, and do not need to use too many decomposer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Reference numerals list:
1, support, 2, handle box, 3, dodge gate, 4, stopping valve, 5, water inlet pipe, 6, decolouring pond, 7, rotating cylinder, 8, stainless steel screen plate, 9, polypropylene filter, 10, the grains of sand, 11, grid, 12, outlet conduit, 13, outlet, 14, dirt-discherging outlet, 15, stopper, 16, transmission case, 17, motor, 18, dividing plate, 19, ferrous sulfate, 20, alkali aluminium.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric centre respectively.
As shown in the figure, one decolouring pond of the present invention filtration unit, comprise water inlet pipe 5, rotating cylinder 7, described rotating cylinder 7 is arranged in the middle of decolouring pond 6, rotating cylinder 7 by motor 17 through transmission case 16 driven rotary, described rotating cylinder 7 is the cylindrical of upper opening, its skin is stainless steel screen plate 8, internal layer is that polypropylene filter 9 is together with outer tire layer, outlet 13 is arranged on decolouring pond 6 side-lower, described water inlet pipe 5 is arranged on rotating cylinder 7 opening part side, rotating cylinder 7 opening part opposite side is provided with handle box 2, described handle box 2 is connected with decolouring pond 6 by support 1, handle box 2 top and rotating cylinder 7 top contour, the gap of 5-20mm is had bottom handle box 2 with bottom rotating cylinder 7, handle box 2 outside is stainless steel filter screen, filtering net is provided with dodge gate 3, inside is provided with 4-10 layer dividing plate 18, every layer of dividing plate is provided with ferrous sulfate 19 and alkali aluminium 20, distance between every layer of dividing plate is identical.
During work, dyeing waste water flows into rotating cylinder 7 from water inlet pipe 5, react with the ferrous sulfate 19 of handle box 2 bottom and alkali aluminium 20 and carry out waste water decoloring and flocculation reaction, produce floss and throw out, motor 17 drives rotating cylinder 7 to rotate, general speed of rotation is that 120-200 turns/min, waste water is thrown between decolouring pond 6 and stainless steel screen plate 8 by the centrifugal force utilizing rotating cylinder to rotate from polypropylene filter, cotton yarn, fiber, impurity is intercepted in rotating cylinder, the filter opening aperture of described polypropylene filter 9 is 10-50 μm, thickness is 0.08-0.2mm, polypropylene filter 9 is utilized to rotate essence filter, tackle fiber, cotton yarn, impurity, interception result is good, drainage efficiency is high, the waste water thrown away flows to next procedure through outlet conduit 12 and carries out anaerobic acidification process, adopt the skeleton of stainless steel screen plate as rotating cylinder 7 of 3mm thickness, anticorrosion, sturdy and durable, wherein the mesh of stainless steel screen plate 8 is the 0.3-0.5mm aperture that interval splits, even if there is breakage in polypropylene filter 9, also few fibers can be tackled, cotton yarn, double insurance, reduce the COD value in waste water.
Rotating cylinder of the present invention rotates in decolouring pond 6, is thrown away by waste water as washing machine dries clothes, and rotating cylinder 7 is contour with decolouring pond 6, and the waste water thrown away can not fly out.
During work, dyeing waste water flows into rotating cylinder 7 from water inlet pipe 5, react with the ferrous sulfate 19 of handle box 2 bottom and alkali aluminium 20 and carry out waste water decoloring and flocculation reaction, produce floss and throw out, waste water is more, water level is higher, slowly will react with the ferrous sulfate 19 progressively up placed in handle box 2 and alkali aluminium 20, ensure decolouring and filter effect, owing to having the gap of 5-20mm bottom handle box 2 with bottom rotating cylinder 7, rotating cylinder rotates in decolouring pond 6, handle box 2 non rotating, ensure that waste water is more, participate in ferrous sulfate 19 and the alkali aluminium more than 20 of reaction, handle box 2 outside is stainless steel filter screen, filtering net is provided with dodge gate 3, industrial chemicals ferrous sulfate 19 and alkali aluminium 20 is added when being convenient to the free time.
For ensureing the reaction effect of waste water in decolouring pond, described water inlet pipe 5 being provided with stopping valve 4, controlling flooding quantity, ensureing the effect of decolouring and filtering precipitate.
Polypropylene filter chemical resistance of the present invention is excellent, can acidproof, alkaline-resisting, high temperature resistant, solvent resistant, comprises polar solvent, and intensity is good, can not be out of shape, not have medium to come off, can not produce and pollute, polypropylene filter belongs to secondary filter, and resistance is little, flow velocity is fast, and flow reaches 5T/h under normal pressure, long service life, be used for filtering suitable high viscosity, the waste water filtering that suspended substance is many, interception result is good, filtration time is longer, and filtering accuracy is higher.
Waste water throws away by the centrifugal force that the present invention utilizes rotating cylinder to rotate from polypropylene filter, cotton yarn, fiber, impurity are intercepted in rotating cylinder 7, due to polypropylene filter 9 smooth surface, the impurity tackled can be fallen below rotating cylinder 7, below described rotating cylinder, be provided with dirt-discherging outlet 14 extend to outside bottom filtering basin, clog dirt-discherging outlet 14 with stopper 15 when working at ordinary times, extract stopper 15 when removing contamination and impurity is discharged from dirt-discherging outlet 14, convenient and swift.
In order to tackle staple fibre further, the present invention is provided with filtering grid 11 everywhere in described outlet 13, the filtration mesh of described filtering grid 11 is 0.1-0.5mm, refilters once before waste water flows into next process, reduces the COD value in waste water further and removes SS pollutent.
The present invention is provided with the grains of sand 10 inside described outlet 13 place, the appropriate grains of sand, when waste water is by the grains of sand, namely wherein contained impurity be trapped, further tackle staple fibre, waste water is separated impurities by grains of sand layer, and the hydrolysis in rear road and acidification reaction easily carry out, and do not need to use too many decomposer.
Technique means disclosed in the present invention program is not limited only to the technique means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic arbitrary combination.
Claims (7)
1. a decolouring pond filtration unit, it is characterized in that: comprise water inlet pipe, rotating cylinder, described rotating cylinder is arranged in the middle of decolouring pond, rotating cylinder by motor through transmission case driven rotary, described rotating cylinder is the cylindrical of upper opening, its skin is stainless steel screen plate, internal layer is that polypropylene filter is together with outer tire layer, outlet is arranged on decolouring pond side-lower, described water inlet pipe is arranged on side, drum opening place, drum opening place opposite side is provided with handle box, described handle box is connected with decolouring pond by support, handle box top and rotating cylinder top contour, there is the gap of 5-20mm with cylinder bottom bottom handle box, handle box outside is stainless steel filter screen, filtering net is provided with dodge gate, inside is provided with 4-10 layer dividing plate, every layer of dividing plate is provided with ferrous sulfate and alkali aluminium, distance between every layer of dividing plate is identical.
2. one decolouring pond according to claim 1 filtration unit, is characterized in that: described rotating cylinder is contour with decolouring pond.
3. one decolouring pond according to claim 1 filtration unit, is characterized in that: described exit is provided with filtering grid.
4. one decolouring pond according to claim 1 filtration unit, is characterized in that: be provided with the grains of sand inside described exit.
5. one decolouring pond according to claim 1 filtration unit, is characterized in that: the filter opening aperture of described polypropylene filter is 5-50 μm.
6. one decolouring pond according to claim 1 filtration unit, is characterized in that: be provided with dirt-discherging outlet below described rotating cylinder and extend to outside bottom decolouring pond, stopper clogs dirt-discherging outlet.
7. one decolouring pond according to claim 1 filtration unit, is characterized in that: described water inlet pipe is provided with stopping valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222608.9A CN103991981B (en) | 2014-05-26 | 2014-05-26 | Filtration device of decoloration pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410222608.9A CN103991981B (en) | 2014-05-26 | 2014-05-26 | Filtration device of decoloration pond |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991981A CN103991981A (en) | 2014-08-20 |
| CN103991981B true CN103991981B (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410222608.9A Expired - Fee Related CN103991981B (en) | 2014-05-26 | 2014-05-26 | Filtration device of decoloration pond |
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| Country | Link |
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| CN (1) | CN103991981B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105399254A (en) * | 2015-12-19 | 2016-03-16 | 张家港市振新印染有限公司 | Treatment method of printing and dyeing wastewater |
| CN105597414B (en) * | 2016-01-31 | 2017-10-27 | 江苏远华轻化装备有限公司 | A kind of printing and dyeing enterprise waste water Lao Mao mechanisms |
| CN105645618B (en) * | 2016-01-31 | 2019-02-12 | 绍兴市南洋染织有限公司 | A kind of dyeing waste water filter device |
| CN105645638B (en) * | 2016-01-31 | 2018-07-27 | 汕头市汕联水处理设备有限公司 | A kind of cotton yarn dyeing and printing sewage processing equipment |
| CN106430715A (en) * | 2016-11-02 | 2017-02-22 | 张家港市双盈印染有限公司 | Filtering device of printing and dyeing decoloration pond |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001212572A (en) * | 2000-02-03 | 2001-08-07 | Japan Organo Co Ltd | Water cleaning apparatus |
| CN203128242U (en) * | 2013-03-06 | 2013-08-14 | 程刚 | Device for adsorbing, passivating and filtering heavy metal ions in sewage |
| CN203904103U (en) * | 2014-05-26 | 2014-10-29 | 江苏双盈纺织科技有限公司 | Filtering device for decoloration pond |
-
2014
- 2014-05-26 CN CN201410222608.9A patent/CN103991981B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001212572A (en) * | 2000-02-03 | 2001-08-07 | Japan Organo Co Ltd | Water cleaning apparatus |
| CN203128242U (en) * | 2013-03-06 | 2013-08-14 | 程刚 | Device for adsorbing, passivating and filtering heavy metal ions in sewage |
| CN203904103U (en) * | 2014-05-26 | 2014-10-29 | 江苏双盈纺织科技有限公司 | Filtering device for decoloration pond |
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| Publication number | Publication date |
|---|---|
| CN103991981A (en) | 2014-08-20 |
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Granted publication date: 20150520 Termination date: 20200526 |