CN203545796U - Paint wastewater recovery device - Google Patents
Paint wastewater recovery device Download PDFInfo
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- CN203545796U CN203545796U CN201320596455.5U CN201320596455U CN203545796U CN 203545796 U CN203545796 U CN 203545796U CN 201320596455 U CN201320596455 U CN 201320596455U CN 203545796 U CN203545796 U CN 203545796U
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Abstract
The utility model discloses a paint wastewater recovery device. The paint wastewater is generated in the production of coated paper. Specifically, the paint wastewater recovery device is sequentially provided with a collection unit, a vibrating screen, a feeding unit, an ultra-filter and a paint recovery unit according to the flowing direction of paint wastewater, and the recovery device is provided with a programmable logic controller (PLC) which is respectively connected to discharge openings and paint concentration controllers of the collection unit, the vibrating screen, the feeding unit, the ultra-filter and the paint recovery unit in a program-control manner, wherein ultra-filtration membrane pore size of the ultra-filter is 0.02 microns, and the solid content of paint recycled by the recovery device is 28-35%. The paint wastewater recovery device disclosed by the utility model implements recovery and deep treatment on the paint wastewater through ultra-filtration technology, so that wastewater has good use value and can be reused in a paint production formula, thus greatly reducing discharge of sludge residue of a paper making factory and effectively reducing pollutant discharge load of a paper making enterprise; and the paint wastewater recovery device can save production cost and satisfy a current purpose of energy conservation and emission reduction.
Description
Technical field
The utility model relates to a kind of retrieving arrangement, relates in particular to a kind of retrieving arrangement of coating waste-water of enamelled paper manufacture.
Background technology
In White Board production process because the disconnected paper of coating machine or change kind can produce a large amount of coating waste-waters, in general coating waste-water composition, all contain pigment, latex, starch, rheology modifiers, lubricant, dispersion agent etc., so coating waste-water reclaims, there is larger economic worth, reclaim the discharge that coating waste-water can reduce paper mill sewage sludge waste slag.In prior art, conventionally can adopt the concentrated scheme of coating waste-water to reclaim, the coating solid content that still reclaims liquid is lower, can not meet the utilization again of coating, and equipment power consumption is higher, inefficiency.
Summary of the invention
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is the retrieving arrangement that proposes a kind of coating waste-water.
The purpose of this utility model, to be achieved by the following technical programs: a kind of retrieving arrangement of coating waste-water, described coating waste-water is by being produced by White Board, it is characterized in that: by coating waste-water, flow to described retrieving arrangement and be provided with in turn the unit that gathers materials, vibratory screening apparatus, change feeding unit, ultrafilter and coating recovery unit, and retrieving arrangement is provided with the unit that gathers materials of program control connection respectively, vibratory screening apparatus, change feeding unit, ultrafilter and the set discharge outlet of coating recovery unit, the PLC controller of coating concentration controller, the ultra-filtration membrane aperture of wherein said ultrafilter is 0.02 μ m, the solid content of retrieving arrangement gained coating is 28%～35%.
Further, described in the unit that gathers materials by storage tank, pump and the agitator be located in storage tank, formed, waste discharge mouth and opposite side that storage tank one side connects outside coating machine are connected to vibratory screening apparatus by pumping line.
Further, described coating recovery unit comprises infiltration tank and synthesis tank, the entrance of described infiltration tank is to joining with the Pai Gukou of ultrafilter, and the outlet of infiltration tank is to access synthesis tank, described synthesis tank is provided with agitator and entrance to joining with the leakage fluid dram of ultrafilter, and the outlet conduit of described synthesis tank is provided with coating concentration controller.
Further, described ultrafilter contains 60 filter discs that are stacked, and in every filter disc, is equipped with the ultra-filtration membrane of micropore diameter.
The retrieving arrangement of application the utility model coating waste-water, utilize ultra-filtration technique to reclaim and advanced treatment coating waste-water, turn waste into wealth, circulation is back to use in coating material production formula again goes, can greatly reduce the discharge of paper mill sewage sludge waste slag, effectively reduce papermaking enterprise disposal of pollutants load, and save production cost, meet current energy-saving and emission-reduction aim.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the retrieving arrangement of a kind of coating waste-water of the utility model.
Embodiment
The utility model has createed a kind of retrieving arrangement of coating waste-water, utilizes ultra-filtration technique to reclaim and advanced treatment coating waste-water, has reduced papermaking enterprise disposal of pollutants load, and has saved production cost.
As shown in Figure 1, a kind of retrieving arrangement of coating waste-water, coating waste-water is by being produced by White Board, especially, by coating waste-water, flow to retrieving arrangement and be provided with in turn the unit 1 that gathers materials, vibratory screening apparatus 2, change feeding unit 3, ultrafilter 4 and coating recovery unit 5, and retrieving arrangement is provided with the gather materials PLC controller 6 of unit 2, vibratory screening apparatus 2, change feeding unit 3, ultrafilter 4 and the set discharge outlet of coating recovery unit 5, coating concentration controller 53 of program control connection respectively, wherein the ultra-filtration membrane aperture of ultrafilter 4 is 0.02 μ m, and the solid content of retrieving arrangement gained coating is 28%～35%.
Wherein, the unit 1 that gathers materials consists of storage tank 11, pump 12 and the agitator 13 be located in storage tank, agitator is used for stirring coating waste-water, prevents solid slag precipitation, and waste discharge mouth and opposite side that storage tank 11 1 sides connect outside coating machine 7 are connected to vibratory screening apparatus 2 by pumping line.
Above-mentioned coating recovery unit 5 comprises infiltration tank 51 and synthesis tank 52, the entrance of infiltration tank 51 is to joining with the Pai Gukou of ultrafilter 4, and the outlet of infiltration tank 51 is to access synthesis tank 52, synthesis tank 52 is provided with agitator and entrance to joining with the leakage fluid dram of ultrafilter 4, and the outlet conduit of synthesis tank 52 is provided with coating concentration controller 53.
In addition, ultrafilter 4 is selected the Metso OptiFilter CR of Metso Company 1000/60, the filtering membrane total area 84 m2, ultra-filtration membrane aperture 0,02 μ m, by 60 filter discs, formed, and in every filter disc, be equipped with the ultra-filtration membrane of micropore diameter, designing treatment waste water ability 8-10 m3/h, coating waste-water solid content can rise to 30 about % from 1-5 %, can direct reuse in the primary coat and painting coating formula of enamelled paper: 1. primary coat enamelled paper formulation for coating material increases ultrafiltration and reclaims coating quality per-cent 2%-5%; 2. a painting burhished enamel paper formulation for coating material increases ultrafiltration recovery coating quality per-cent 2%-4%; 3. the coating waste-water of collecting and recovery coating need to add sterilant and carry out rotproofing, and other components of formulation for coating material do not need to adjust, and the coating quality of recovery also meets production requirement, and the paper quality of enamelled paper is not had to negative impact.
Concrete operation scheme of the present utility model: each parts of controlling retrieving arrangement by PLC controller, coating waste-water stirs by agitator after entering the storage tank of the unit that gathers materials in coating machine, coating waste-water after stirring enters vibratory screening apparatus by pumping action, vibratory screening apparatus is removed the solid impurity in coating waste-water, the coating waste-water of removing solid impurity enters change feeding unit, change feeding unit is transported to ultrafilter by a certain amount of coating waste-water and carries out ultrafiltration, ultrafilter can be separated into coating waste-water and reclaim coating and clear filtrate two portions, reclaim coating and enter infiltration tank, when needs reclaim coating and utilize, in infiltration tank, reclaim coating and enter synthesis tank, in synthesis tank, solution can enter coating concentration controller, synthesis tank is controlled interpolation clear filtrate according to coating concentration controller and is carried out concentration proportioning, solution after proportioning completes is exported along coating concentration controller, recycle.
Visible by above description: the retrieving arrangement of application the utility model coating waste-water, utilize ultra-filtration technique to reclaim and advanced treatment coating waste-water, turn waste into wealth, circulation is back to use in coating material production formula again goes, can greatly reduce the discharge of paper mill sewage sludge waste slag, effectively reduce papermaking enterprise disposal of pollutants load, and save production cost, meet current energy-saving and emission-reduction aim.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technical schemes of forming, within all dropping on protection domain of the present utility model.
Claims (4)
1. the retrieving arrangement of a coating waste-water, described coating waste-water is by being produced by White Board, it is characterized in that: by coating waste-water, flow to described retrieving arrangement and be provided with in turn the unit that gathers materials, vibratory screening apparatus, change feeding unit, ultrafilter and coating recovery unit, and retrieving arrangement is provided with the gather materials PLC controller of unit, vibratory screening apparatus, change feeding unit, ultrafilter and the set discharge outlet of coating recovery unit, coating concentration controller of program control connection respectively, and the ultra-filtration membrane aperture of wherein said ultrafilter is 0.02 μ m.
2. coating waste-water retrieving arrangement according to claim 1, is characterized in that: described in the unit that gathers materials by storage tank, pump and the agitator be located in storage tank, formed, waste discharge mouth and opposite side that storage tank one side connects outside coating machine are connected to vibratory screening apparatus by pumping line.
3. coating waste-water retrieving arrangement according to claim 1, it is characterized in that: described coating recovery unit comprises infiltration tank and synthesis tank, the entrance of described infiltration tank is to joining with the Pai Gukou of ultrafilter, and the outlet of infiltration tank is to access synthesis tank, described synthesis tank is provided with agitator and entrance to joining with the leakage fluid dram of ultrafilter, and the outlet conduit of described synthesis tank is provided with coating concentration controller.
4. the retrieving arrangement of coating waste-water according to claim 1, is characterized in that: described ultrafilter contains 60 filter discs that are stacked, and in every filter disc, is equipped with the ultra-filtration membrane of micropore diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596455.5U CN203545796U (en) | 2013-09-26 | 2013-09-26 | Paint wastewater recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596455.5U CN203545796U (en) | 2013-09-26 | 2013-09-26 | Paint wastewater recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203545796U true CN203545796U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596455.5U Expired - Fee Related CN203545796U (en) | 2013-09-26 | 2013-09-26 | Paint wastewater recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203545796U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694348A (en) * | 2019-10-28 | 2020-01-17 | 海南金海浆纸业有限公司 | System and method for dissociating waste residues of papermaking coating |
| CN113351396A (en) * | 2021-07-14 | 2021-09-07 | 东莞市金隆机械设备有限公司 | Spraying supplies lacquer recycle system |
| CN115418877A (en) * | 2022-11-02 | 2022-12-02 | 东莞建晖纸业有限公司 | Zero discharge system of surface coating waste water |
-
2013
- 2013-09-26 CN CN201320596455.5U patent/CN203545796U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110694348A (en) * | 2019-10-28 | 2020-01-17 | 海南金海浆纸业有限公司 | System and method for dissociating waste residues of papermaking coating |
| CN113351396A (en) * | 2021-07-14 | 2021-09-07 | 东莞市金隆机械设备有限公司 | Spraying supplies lacquer recycle system |
| CN115418877A (en) * | 2022-11-02 | 2022-12-02 | 东莞建晖纸业有限公司 | Zero discharge system of surface coating waste water |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20140926 |
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| EXPY | Termination of patent right or utility model |