CN211770669U - Paint sewage treatment plant - Google Patents
Paint sewage treatment plant Download PDFInfo
- Publication number
- CN211770669U CN211770669U CN201922240567.7U CN201922240567U CN211770669U CN 211770669 U CN211770669 U CN 211770669U CN 201922240567 U CN201922240567 U CN 201922240567U CN 211770669 U CN211770669 U CN 211770669U
- Authority
- CN
- China
- Prior art keywords
- tank
- sedimentation tank
- sewage
- fenton reaction
- paint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000010865 sewage Substances 0.000 title claims abstract description 60
- 239000003973 paint Substances 0.000 title claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 68
- 238000006243 chemical reaction Methods 0.000 claims abstract description 67
- 239000010802 sludge Substances 0.000 claims abstract description 37
- 238000005189 flocculation Methods 0.000 claims abstract description 25
- 230000016615 flocculation Effects 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000006228 supernatant Substances 0.000 claims abstract description 5
- 230000015271 coagulation Effects 0.000 claims abstract description 4
- 238000005345 coagulation Methods 0.000 claims abstract description 4
- 239000008394 flocculating agent Substances 0.000 claims abstract description 4
- 239000003814 drug Substances 0.000 claims description 30
- 239000012670 alkaline solution Substances 0.000 claims description 9
- 239000013049 sediment Substances 0.000 claims description 9
- 239000003929 acidic solution Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 230000007935 neutral effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims description 2
- 238000004065 wastewater treatment Methods 0.000 claims 6
- 239000002244 precipitate Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000001556 precipitation Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009287 sand filtration Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000004922 lacquer Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Abstract
The utility model belongs to the technical field of sewage treatment equipment, in particular to a paint sewage treatment device, which comprises a dosing tank, a flocculation reaction tank, a primary sedimentation tank, a Fenton reaction tank, a secondary sedimentation tank and a reuse water tank which are sequentially connected through pipelines, wherein the primary sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank, and precipitates in the primary sedimentation tank and the secondary sedimentation tank enter the sludge concentration tank through filtration; add and be provided with the raw materials room that is used for adding the flocculating agent on the pond, be provided with the control chamber that is used for adding the regulator on the flocculation reaction pond, the control chamber makes dirty abundant flocculation coagulation of oil in the sewage to the flocculation reaction pond in adding the regulator, then filters in sewage gets into the one-level sedimentation tank and deposits, carries out the fenton reaction in the supernatant among the one-level sedimentation tank gets into the fenton reaction pond, and sewage after the fenton reaction gets into filtration and deposits in the second grade sedimentation tank, gets into in the reuse water tank at last, the utility model aims to provide a paint sewage treatment plant who clears up effectual, with low costs.
Description
Technical Field
The utility model belongs to the technical field of paint sewage treatment device, in particular to paint sewage treatment plant.
Background
Paint spraying is a common paint using method, when in use, paint is dispersed into uniform and fine fog drops by a spray gun by means of air pressure and is applied to the surface of an object to be coated, the construction period of the paint spraying is short, large-area feeding can be completed in a short time, mass production is facilitated, and the surface of a product produced by the paint spraying process is smooth and fine and has good hand feeling, so that the paint spraying method is widely applied to industrial production, but the paint is atomized in the paint spraying process, most of the atomized paint is attached to the surface of the product, but part of the paint is scattered in the air, some of the paint can be attached to a machine to influence the normal use of the machine, some of the paint can be sucked into the body by workers to influence the health of the workers, so that most of the current factories adsorb the paint by liquid medicine, and sewage generated after adsorption is subjected to oxidation treatment by a Fenton oxidation tower, however, the cost of the Fenton oxidation tower is high, and the production cost of a factory is increased.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model aims to provide a paint sewage treatment device with good cleaning effect and low cost.
The purpose of the utility model is realized like this:
a paint sewage treatment device comprises a dosing tank, a flocculation reaction tank, a primary sedimentation tank, a Fenton reaction tank, a secondary sedimentation tank and a reuse water tank which are sequentially connected through pipelines, wherein the primary sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank, and paint residues precipitated in the primary sedimentation tank and the secondary sedimentation tank are filtered and enter the sludge concentration tank;
the flocculation reaction tank is provided with a raw material chamber for adding a flocculating agent, the flocculation reaction tank is provided with an adjusting chamber for adding an adjusting agent, and the adjusting chamber adds the adjusting agent into the flocculation reaction tank to enable oil and sewage in sewage to be fully flocculated and settled; sewage after abundant coagulation gets into and filters the sediment in the primary sedimentation tank, and the supernatant in the primary sedimentation tank gets into and carries out the fenton reaction in the fenton reaction tank, and sewage after the fenton reaction gets into and filters the sediment in the secondary sedimentation tank, and the clear liquid in the final secondary sedimentation tank gets into the retrieval and utilization pond.
The medicine adding pool comprises a first medicine adding pool and a second medicine adding pool which are connected through a pipeline, sewage sequentially passes through the first medicine adding pool and the second medicine adding pool, a first raw material chamber and a second raw material chamber are respectively arranged in the first medicine adding pool and the second medicine adding pool, and the first raw material chamber and the second raw material chamber respectively add polyaluminium chloride and polyacrylamide into the first medicine adding pool and the second medicine adding pool.
And a PH adjusting tank is arranged between the Fenton reaction tank and the second sedimentation tank.
The regulator is an alkaline solution, the alkaline solution regulates the sewage to pH 7-9, the pH regulating tank adds an acidic solution into the sewage, and the acidic solution regulates the sewage to be neutral.
The first-stage sedimentation tank and the second-stage sedimentation tank are respectively connected with a first sludge concentration tank and a second sludge concentration tank, clear liquid generated in the first sludge concentration tank and the second sludge concentration tank is respectively led into the flocculation reaction tank and the water return tank, and sludge generated in the first sludge concentration tank is discharged after being acidified and neutralized.
And a sand filter tank is arranged between the secondary sedimentation tank and the reuse water tank.
The Fenton reaction tank comprises a first Fenton reaction tank and a second Fenton reaction tank which are connected in series, and sewage enters a secondary sedimentation tank after the Fenton reaction in the first Fenton reaction tank and the second Fenton reaction tank.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. paint sewage treatment plant is including looping through pipe connection's dosing tank, flocculation reaction pond, one-level sedimentation tank, fenton reaction pond, second grade sedimentation tank and reuse water tank, gets rid of most paint impurity in the sewage through flocculation and precipitation, then utilizes the fenton reaction to remove remaining a small amount of paint impurity in the sewage, and the device is favorable to reducing the scale and the medicine in fenton reaction pond, is favorable to reducing the sewage treatment cost.
2. In the utility model, the paint slag in the sewage is flocculated by the polyaluminium chloride and the polyacrylamide, and the PH value of the sewage is adjusted by the alkaline solution, so that the polyaluminium chloride and the polyacrylamide are fully flocculated, the dosage of the later-stage Fenton reaction is reduced, and the production cost is reduced; just the utility model discloses a second grade fenton reaction makes the lacquer sediment in the sewage fully precipitate, avoids the pollutant to remain, and adjusts sewage through the PH equalizing basin after the fenton reaction, avoids producing alkaline sewage polluted environment.
3. The first-stage sedimentation tank and the second-stage sedimentation tank are respectively connected with a first sludge concentration tank and a second sludge concentration tank, clear liquid generated in the first sludge concentration tank and the second sludge concentration tank is respectively led into the flocculation reaction tank and the water return tank, sludge generated in the first sludge concentration tank is discharged after being neutralized by acidification, and sediments generated in the first-stage sedimentation tank and the second-stage sedimentation tank are respectively concentrated, so that the subsequent treatment of the sludge is facilitated, and the sludge pollution to the environment is avoided; be provided with the sand filtration jar between second grade sedimentation tank and the retrieval and utilization pond, the sand filtration jar simple structure, the cost is lower, avoids slight precipitate to get into the retrieval and utilization pond, influences the subsequent processing utilization of the water of handling the completion.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a process flow diagram of the present invention.
Detailed Description
The invention will be further described in the following with reference to the accompanying drawings in which:
referring to fig. 1 to 2, a paint sewage treatment device comprises a dosing tank, a flocculation reaction tank, a primary sedimentation tank, a fenton reaction tank, a secondary sedimentation tank and a reuse water tank which are sequentially connected through pipelines, wherein the primary sedimentation tank and the secondary sedimentation tank are connected with a sludge concentration tank, and paint residues precipitated in the primary sedimentation tank and the secondary sedimentation tank are filtered and enter the sludge concentration tank;
the flocculation reaction tank is provided with a raw material chamber for adding a flocculating agent, the flocculation reaction tank is provided with an adjusting chamber for adding an adjusting agent, and the adjusting chamber adds the adjusting agent into the flocculation reaction tank to enable oil and sewage in sewage to be fully flocculated and settled; sewage after abundant coagulation gets into filtration precipitation in the one-level sedimentation tank, the supernatant in the one-level sedimentation tank gets into and carries out the fenton reaction in the fenton reaction pond, sewage after the fenton reaction gets into filtration precipitation in the second grade sedimentation tank, the supernatant in the last second grade sedimentation tank gets into the retrieval and utilization pond, get rid of most paint impurity in the sewage through flocculation and precipitation in this structure, then utilize the fenton reaction to remove remaining a small amount of paint impurity in the sewage, the device is favorable to reducing the scale and the medicine in the fenton reaction tank, be favorable to reducing the sewage treatment cost.
The utility model discloses it is preferred add the medicine pond and include that first medicine pond and second through the pipe connection add the medicine pond, sewage loops through first medicine pond and second and add the medicine pond, first medicine pond and second add and are provided with first raw materials room and second raw materials room in the medicine pond respectively, first raw materials room and second raw materials room add medicine pond to first medicine pond and second respectively and add polyaluminium chloride and polyacrylamide, mix polyaluminium chloride and polyacrylamide with sewage stirring respectively during the use, make the abundant flocculation and precipitation of the lacquer sediment in the sewage.
Be provided with the PH equalizing basin between fenton reaction tank and the second sedimentation tank, avoid fenton reaction back sewage to be acidity or basicity to lead to clear solution corrosion equipment in the second sedimentation tank, polluted environment, the utility model discloses in the regulator is alkaline solution, and alkaline solution adjusts sewage to PH 7-9, and the PH equalizing basin adds acidic solution in to sewage, and acidic solution adjusts sewage to neutrality, the utility model discloses in preferred alkaline solution is the sodium hydroxide solution, acidic solution is sulfuric acid solution, and the PH equalizing basin.
The sewage in the flocculation tank is adjusted to pH 7-9 by the alkaline solution, so that the solution in the primary sedimentation tank is alkaline, the sewage in the second-stage sedimentation tank is neutralized by the acid solution, so the sediments in the first-stage sedimentation tank and the second-stage sedimentation tank need to be treated respectively, preferably, the first-stage sedimentation tank and the second-stage sedimentation tank are respectively connected with a first sludge concentration tank and a second sludge concentration tank, clear liquid generated in the first sludge concentration tank and the second sludge concentration tank is respectively led into a flocculation reaction tank and a return water tank, the first sludge concentration tank is connected with a neutralization tank, and sludge generated in the first sludge concentration tank is discharged after being acidified and neutralized in the neutralization tank, which is described in the embodiment, the structure carries out concentration treatment on the precipitates generated by the primary sedimentation tank and the secondary sedimentation tank respectively, so that the subsequent treatment of sludge is facilitated, and the sludge pollution to the environment is avoided.
Be provided with the sand filtration jar between second grade sedimentation tank and the retrieval and utilization pond, the sand filtration jar simple structure, the cost is lower, avoids slight precipitate to get into the retrieval and utilization pond, influences the subsequent processing utilization of the water of handling the completion.
The Fenton reaction pond includes first Fenton reaction pond and the Fenton reaction pond of second of establishing ties, and sewage gets into the second grade sedimentation tank after the Fenton reaction of first Fenton reaction pond and second Fenton reaction pond, makes the lacquer sediment in the sewage fully deposit through the second grade Fenton reaction, avoids the pollutant to remain.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a paint sewage treatment plant which characterized in that: the system comprises a dosing tank, a flocculation reaction tank, a primary sedimentation tank, a Fenton reaction tank, a secondary sedimentation tank and a reuse water tank which are sequentially connected through pipelines, wherein the primary sedimentation tank and the secondary sedimentation tank are connected with sludge concentration tanks, and paint residues precipitated in the primary sedimentation tank and the secondary sedimentation tank are filtered and enter the sludge concentration tanks;
the flocculation reaction tank is provided with a raw material chamber for adding a flocculating agent, the flocculation reaction tank is provided with an adjusting chamber for adding an adjusting agent, and the adjusting chamber adds the adjusting agent into the flocculation reaction tank to enable oil and sewage in sewage to be fully flocculated and settled; sewage after abundant coagulation gets into and filters the sediment in the primary sedimentation tank, and the supernatant in the primary sedimentation tank gets into and carries out the fenton reaction in the fenton reaction tank, and sewage after the fenton reaction gets into and filters the sediment in the secondary sedimentation tank, and the clear liquid in the final secondary sedimentation tank gets into the retrieval and utilization pond.
2. The paint wastewater treatment device according to claim 1, wherein: the medicine adding pool comprises a first medicine adding pool and a second medicine adding pool which are connected through a pipeline, sewage sequentially passes through the first medicine adding pool and the second medicine adding pool, a first raw material chamber and a second raw material chamber are respectively arranged in the first medicine adding pool and the second medicine adding pool, and the first raw material chamber and the second raw material chamber respectively add polyaluminium chloride and polyacrylamide into the first medicine adding pool and the second medicine adding pool.
3. The paint wastewater treatment apparatus according to claim 1 or 2, wherein: and a PH adjusting tank is arranged between the Fenton reaction tank and the second sedimentation tank.
4. The paint wastewater treatment device according to claim 3, wherein: the regulator is an alkaline solution, the alkaline solution regulates the sewage to pH 7-9, the pH regulating tank adds an acidic solution into the sewage, and the acidic solution regulates the sewage to be neutral.
5. The paint wastewater treatment apparatus according to claim 1, 2 or 4, wherein: the first-stage sedimentation tank and the second-stage sedimentation tank are respectively connected with a first sludge concentration tank and a second sludge concentration tank, clear liquid generated in the first sludge concentration tank and the second sludge concentration tank is respectively led into the flocculation reaction tank and the water return tank, and sludge generated in the first sludge concentration tank is discharged after being acidified and neutralized.
6. The paint wastewater treatment device according to claim 5, wherein: and a sand filter tank is arranged between the secondary sedimentation tank and the reuse water tank.
7. The paint wastewater treatment apparatus according to claim 1, 2, 4 or 6, wherein: the Fenton reaction tank comprises a first Fenton reaction tank and a second Fenton reaction tank which are connected in series, and sewage enters a secondary sedimentation tank after the Fenton reaction in the first Fenton reaction tank and the second Fenton reaction tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240567.7U CN211770669U (en) | 2019-12-14 | 2019-12-14 | Paint sewage treatment plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922240567.7U CN211770669U (en) | 2019-12-14 | 2019-12-14 | Paint sewage treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211770669U true CN211770669U (en) | 2020-10-27 |
Family
ID=72982068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922240567.7U Expired - Fee Related CN211770669U (en) | 2019-12-14 | 2019-12-14 | Paint sewage treatment plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211770669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950459A (en) * | 2019-12-14 | 2020-04-03 | 永康市恒久涂装设备有限公司 | Paint sewage treatment device and process |
-
2019
- 2019-12-14 CN CN201922240567.7U patent/CN211770669U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110950459A (en) * | 2019-12-14 | 2020-04-03 | 永康市恒久涂装设备有限公司 | Paint sewage treatment device and process |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 |