CN216890526U - Resin waste water processing system - Google Patents
Resin waste water processing system Download PDFInfo
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- CN216890526U CN216890526U CN202123442260.9U CN202123442260U CN216890526U CN 216890526 U CN216890526 U CN 216890526U CN 202123442260 U CN202123442260 U CN 202123442260U CN 216890526 U CN216890526 U CN 216890526U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model discloses a resin production wastewater treatment system, which comprises a pretreatment system, a biochemical treatment system and an advanced treatment system which are connected in sequence; the pretreatment system comprises an oil separation device, an air floatation device, a micro-electrolysis tower, a primary Fenton reaction device and a primary sedimentation tank which are sequentially connected; the biochemical treatment system comprises a hydrolysis acidification tank, an IC reaction tower, an activated sludge tank, a contact oxidation tank and a secondary sedimentation tank which are connected in sequence; the advanced treatment system comprises a secondary Fenton reaction device and a tertiary sedimentation tank which are connected in sequence. The resin production wastewater treatment system has the advantages of stable operation, simple flow and high treatment efficiency; when the resin production wastewater treatment system is used for treating resin wastewater, the effluent quality can meet the requirements that SS is less than or equal to 100mg/L and COD is less than or equal to 500 mg/L.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a resin production wastewater treatment system.
Background
The resin waste water is produced in the production of water-base acrylic emulsion, water-base industrial paint resin, polyester resin for powder coating and various fabrics with performance requirements, flocking, printing and shoe material adhesive, etc., and has the characteristics of small water quantity, high concentration, complex components, floating oil, strong pungent smell, low nitrogen and phosphorus component content in water body, poor biodegradability, etc., and belongs to high-concentration organic waste water difficult to biodegrade, and the organic matter mainly includes aromatic benzene ring organic compound, acrylic acid high molecular organic matter, etc., and many intermediate compounds are derived in the production process, so that the COD concentration is high, the COD can be as high as 80000mg/L, BOD5The concentration can reach 10000mg/L, the biodegradability is poor, the smell is heavy, the oil concentration is high and the like. The conventional microbiological method for treating resin wastewater can not meet the effluent requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the conventional resin production wastewater treatment system cannot meet the wastewater outlet requirement, the utility model aims to provide a resin production wastewater treatment system.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a resin production wastewater treatment system comprises a pretreatment system, a biochemical treatment system and an advanced treatment system which are connected in sequence; the pretreatment system comprises an oil separation device, an air floatation device, a micro-electrolysis tower, a primary Fenton reaction device and a primary sedimentation tank which are sequentially connected; the biochemical treatment system comprises a hydrolysis acidification tank, an IC reaction tower, an activated sludge tank, a contact oxidation tank and a secondary sedimentation tank which are connected in sequence; the advanced treatment system comprises a secondary Fenton reaction device and a tertiary sedimentation tank which are connected in sequence.
Preferably, the resin production wastewater treatment system further comprises a first regulating tank; the first adjusting tank is arranged in front of the pretreatment system; the first regulating reservoir is used for homogenizing water quality.
Preferably, in the resin production wastewater treatment system, 2-4 layers of fillers are arranged in the micro-electrolysis tower; further preferably, 2-3 layers of filler are arranged inside the micro-electrolysis tower.
Preferably, the pretreatment system of the resin production wastewater treatment system further comprises a first coagulation tank and a first flocculation tank; further preferably, the pretreatment system comprises an oil separation device, an air floatation device, a micro-electrolysis tower, a first-stage Fenton reaction device, a first coagulation tank, a first flocculation tank and a first-stage sedimentation tank which are sequentially connected.
Preferably, the advanced treatment system of the resin production wastewater further comprises a second coagulation tank and a second flocculation tank; further preferably, the advanced treatment system comprises a second-stage Fenton reaction device, a second coagulation tank, a second flocculation tank and a third-stage sedimentation tank which are connected in sequence.
Preferably, the resin production wastewater treatment system further comprises a second regulating tank; the second adjusting tank is arranged between the air floatation device of the pretreatment system and the micro-electrolysis tower; further preferably, a pH meter is arranged in the second adjusting tank; and adding an acid regulator into the second regulating tank to regulate the pH value.
Preferably, the resin production wastewater treatment system further comprises a third regulating reservoir; the third adjusting tank is arranged between the primary Fenton reaction device of the pretreatment system and the first coagulation tank; preferably, a pH meter is arranged in the third regulating reservoir; and adding an alkali regulator sodium hydroxide to regulate the pH value in the third regulating tank.
Preferably, the resin production wastewater treatment system further comprises a fourth regulating tank; the fourth adjusting tank is arranged between the pretreatment system and the biochemical treatment system; preferably, a pH meter is arranged in the fourth regulating tank; and adding an acid regulator into the fourth regulating tank to regulate the pH value.
Preferably, the resin production wastewater treatment system further comprises a fifth regulating tank; the fifth regulating reservoir is arranged between the biochemical treatment system and the advanced treatment system.
Preferably, the resin production wastewater treatment system further comprises a sixth regulating reservoir; the sixth adjusting tank is arranged between the second-stage Fenton reaction device of the advanced treatment system and the second coagulation tank; preferably, a pH meter is arranged in the sixth adjusting tank; and adding an alkali regulator sodium hydroxide to the sixth regulating tank to regulate the pH value.
Preferably, the resin production wastewater treatment system further comprises an odor treatment device; the odor treatment device is respectively connected with the first adjusting tank, the second adjusting tank, the micro-electrolysis tower, the primary Fenton reaction device, the third adjusting tank, the first coagulation tank, the first flocculation tank, the primary sedimentation tank, the hydrolysis acidification tank, the IC reaction tower and the activated sludge tank; further preferably, the odor treatment device performs a spray treatment of the collected odor using a spray tower.
Further preferably, a pipeline is arranged between the odor treatment device and the first regulating reservoir, and waste water generated by the odor treatment device is conveyed into the first regulating reservoir.
Preferably, in the resin production wastewater treatment system, an oxidation-reduction potentiometer is arranged in the primary Fenton reaction device.
Preferably, in the resin production wastewater treatment system, a stirring device is arranged in the primary fenton reaction device.
Preferably, in the system for treating wastewater from resin production, an oxidation-reduction potentiometer is provided in the second-stage fenton reaction device.
Preferably, in this kind of resin production wastewater treatment system, be equipped with agitating unit in the second fenton reaction unit.
Preferably, in the resin production wastewater treatment system, a backflow pipeline is arranged between the hydrolysis acidification tank and the IC reaction tower in the biochemical treatment system, and sludge in the IC reaction tower flows back into the hydrolysis acidification tank.
The utility model has the beneficial effects that:
the resin production wastewater treatment system has the advantages of stable operation, simple flow and high treatment efficiency; when the resin production wastewater treatment system is used for treating resin wastewater, the effluent quality can meet the requirements that SS is less than or equal to 100mg/L and COD is less than or equal to 500 mg/L.
Drawings
FIG. 1 is a diagram of a system for treating resin production wastewater;
FIG. 2 is a diagram showing an embodiment of a resin production wastewater treatment system.
Reference numeral 2:
100-a first adjusting tank, 200-an oil separation device, 300-an air flotation device, 400-a second adjusting tank, 500-a micro-electrolysis tower, 600-a first-stage Fenton reaction device, 700-a third adjusting tank, 800-a first coagulation tank, 900-a first flocculation tank, 1000-a first-stage sedimentation tank, 1100-a fourth adjusting tank, 1200-a hydrolysis acidification tank, 1300-an IC reaction tower, 1400-an activated sludge tank, 1500-a contact oxidation tank, 1600-a second-stage sedimentation tank, 1700-a fifth adjusting tank, 1800-a second-stage Fenton reaction device, 1900-a sixth adjusting tank, 2000-a second coagulation tank, 2100-a second flocculation tank, 2200-a third-stage sedimentation tank, 2300-a clear water tank and 2400-an odor treatment device.
Detailed Description
The embodiments of the present invention will be described in detail below, and the embodiments described by referring to the drawings are exemplary only for the purpose of illustrating the present invention and are not to be construed as limiting the present invention.
The present invention will be described in further detail with reference to specific examples.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be directly connected to each other, indirectly connected to each other through an intermediate member, or connected to each other through the inside of two members. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The starting materials, reagents or equipment used in the examples are, unless otherwise specified, either conventionally commercially available or may be obtained by methods known in the art. Unless otherwise indicated, the testing or testing methods are conventional in the art.
As shown in figure 1, the resin-containing production wastewater treatment system comprises an oil separation device, an air flotation device, a micro-electrolysis tower, a primary Fenton reaction device, a primary sedimentation tank, a hydrolysis acidification tank, an IC reaction tower, an activated sludge tank, a contact oxidation tank, a secondary sedimentation tank, a secondary Fenton reaction device and a tertiary sedimentation tank which are sequentially connected.
A resin production wastewater treatment system according to an embodiment of the present invention is described below with reference to FIG. 2.
As shown in fig. 2, the resin production wastewater treatment system according to the embodiment of the present invention includes a first regulation tank 100, an oil separator 200, an air flotation device 300, a second regulation tank 400, a micro-electrolysis tower 500, a first-stage fenton reaction device 600, a third regulation tank 700, a first coagulation tank 800, a first flocculation tank 900, a first sedimentation tank 1000, a fourth regulation tank 1100, a hydrolysis acidification tank 1200, an IC reaction tower 1300, an activated sludge tank 1400, a contact oxidation tank 1500, a second-stage sedimentation tank 1600, a fifth regulation tank 1700, a second-stage fenton reaction device 1800, a sixth regulation tank 1900, a second coagulation tank 2000, a second flocculation tank 2100, a third-stage sedimentation tank 2200, a clean water tank 2300, and an odor treatment device 2400.
As shown in fig. 2, in an embodiment of the resin production wastewater treatment system, a first regulation tank 100, an oil separation device 200, an air flotation device 300, a second regulation tank 400, a micro-electrolysis tower 500, a first fenton reaction device 600, a third regulation tank 700, a first coagulation tank 800, a first flocculation tank 900, a first sedimentation tank 1000, a fourth regulation tank 1100, a hydrolysis acidification tank 1200, an IC reaction tower 1300, an activated sludge tank 1400, a contact oxidation tank 1500, a second sedimentation tank 1600, a fifth regulation tank 1700, a second fenton reaction device 1800, a sixth regulation tank 1900, a second coagulation tank 2000, a second flocculation tank 2100, a third sedimentation tank 2200 and a clean water tank 2300 are sequentially connected, a sludge backflow pipeline is arranged between the IC reaction tower 1300 and the hydrolysis acidification tank 1200, and the sludge backflow pipeline flows sludge in the IC reaction tower 1300 back to the hydrolysis acidification tank 1200; the odor treatment device 2400 is respectively connected with the first adjusting tank 100, the second adjusting tank 400, the micro-electrolysis tower 500, the first-stage Fenton reaction device 600, the third adjusting tank 700, the first coagulation tank 800, the first flocculation tank 900, the first-stage sedimentation tank 1000, the hydrolysis acidification tank 1200, the IC reaction tower 1300 and the activated sludge tank 1400, and is used for collecting and treating odor.
As shown in FIG. 2, in some embodiments of the utility model, the treeThe grease production wastewater firstly enters a first regulating reservoir to uniformly mix the wastewater, and then is conveyed to an oil separation device through a pump to remove partial grease, the hydraulic retention time of the oil separation device is 2 hours, and the hydraulic load q is (2.0-4.0) m3/m2H; the water discharged from the oil separation device enters an air floating device to remove impurities through air floating, the hydraulic retention time of the air floating device is 2 hours, and the hydraulic load q is (2.0-4.0) m3/m2H; the effluent of the air floatation device enters a second regulating tank for pH regulation, and the pH is regulated to 4-6; the effluent of the second adjusting device enters a micro-electrolysis tower, aeration type iron-carbon micro-electrolysis treatment is carried out in the micro-electrolysis tower, a fluidized bed structure is adopted, the hydraulic retention time of the micro-electrolysis tower is 12h, aeration is carried out in the micro-electrolysis tower, and the aeration amount meets the volume ratio of gas to wastewater (15-20): 1; the effluent of the micro-electrolysis tower enters a primary Fenton reaction device for Fenton reaction, the hydraulic retention time of the primary Fenton reaction device is 12 hours, mechanical stirring is adopted, and the oxidation-reduction potential is controlled between 400 and 500 mV; the effluent of the first-stage Fenton reaction device enters a third adjusting device for pH adjustment, alkali is added for pH adjustment, the pH is 8-9, the effluent of the third adjusting device enters a first coagulation tank and a first flocculation tank, a coagulant and a flocculant are respectively added for coagulation and precipitation reaction, the effluent of the first flocculation tank enters a first-stage sedimentation tank for mud-water separation, the hydraulic retention time of the first-stage sedimentation tank is 6 hours, and the hydraulic load q is (0.5-0.8) m3/m2H; the effluent of the first-stage sedimentation tank enters a fourth adjusting device, and acid is added to adjust the pH value to 8-9; the effluent of the fourth regulating reservoir enters a hydrolytic acidification tank and an IC reaction tower for anaerobic digestion treatment, the hydraulic retention time of the hydrolytic acidification tank is 12 hours, the hydraulic retention time of the IC reaction tower is 168 hours, a sludge backflow pipeline is arranged between the IC reaction tower and the hydrolytic acidification tank, the effluent of the hydrolytic acidification tank enters an activated sludge tank and a contact oxidation tank for aerobic treatment, the hydraulic retention time of the activated sludge tank is 36 hours, aeration is carried out in the activated sludge tank, and the aeration amount meets the requirement that the volume ratio of gas to wastewater is (18-34): 1, the hydraulic retention time of the contact oxidation pond is 24h, aeration is carried out in the contact oxidation pond, and the aeration rate meets the requirement that the volume ratio of gas to wastewater is (15-20): 1; the effluent of the contact oxidation tank enters a secondary sedimentation tank for sludge sedimentation and secondary sedimentationThe hydraulic retention time of the pool is 6h, and the hydraulic load q is (0.5-0.8) m3/m2H; the effluent of the secondary sedimentation tank enters a fifth adjusting tank to adjust the pH value, wherein the pH value is 4-5; the wastewater after pH adjustment enters a secondary Fenton reaction device for a Fenton reaction again, the hydraulic retention time of the secondary Fenton reaction device is 4h, mechanical stirring is adopted, and the oxidation-reduction potential is controlled between 300-400 mV; the effluent of the secondary Fenton reaction device enters a sixth regulating tank, and the pH value is regulated to 8-9; the effluent of the sixth adjusting tank enters a second coagulation tank and a second flocculation tank, a coagulant and a flocculant are respectively added for coagulation and precipitation reaction, the effluent of the second flocculation tank enters a third-stage sedimentation tank for mud-water separation, the hydraulic retention time of the third-stage sedimentation tank is 6 hours, and the hydraulic load q is (0.5-0.8) m3/m2H; and the effluent of the third-stage sedimentation tank enters a clean water tank and is then discharged. The odor treatment device is respectively connected with the first regulating tank, the second regulating tank, the micro-electrolysis tower, the first-level Fenton reaction device, the third regulating tank, the first coagulation tank, the first flocculation tank, the first-level sedimentation tank, the hydrolysis acidification tank, the IC reaction tower and the active sludge tank, odor is collected and treated, the spray tower is adopted to spray the odor, and the sprayed wastewater is returned to the first regulating tank to enter the resin production wastewater treatment system for treatment.
Application examples
The resin wastewater was treated by the treatment system of the above example. COD in raw water of resin wastewaterCr80000mg/L, pH 5, and SS 500mg/L, the wastewater is treated by the treatment system shown in the attached FIG. 2, and the effluent of different treatment processes is subjected to water quality detection, with the results shown in the following table:
| water inlet and outlet index | pH | SS | CODCr |
| Inlet (raw water) | 5 | 500 | 80000 |
| Water outlet of air floatation device | 8.5 | ≤300 | ≤72000 |
| Effluent of the primary sedimentation tank | 9 | ≤100 | ≤50000 |
| Water outlet of IC reaction tower | 7.5 | ≤200 | ≤15000 |
| Effluent of the secondary sedimentation tank | 7.0 | ≤100 | ≤1000 |
| Effluent of secondary Fenton reaction device | 6～9 | ≤50 | ≤500 |
The COD of the resin wastewater treated by the wastewater treatment system is less than or equal to 500mg/L, so that the water inlet requirement of municipal sewage treatment is met, and the municipal sewage treatment is not influenced.
Although the present invention has been described with reference to the above embodiments, it should be understood that the present invention is not limited thereto, and various changes, substitutions, and alterations can be made without departing from the spirit and scope of the utility model.
Claims (10)
1. A resin production wastewater treatment system is characterized by comprising a pretreatment system, a biochemical treatment system and an advanced treatment system which are connected in sequence; the pretreatment system comprises an oil separation device, an air floatation device, a micro-electrolysis tower, a primary Fenton reaction device and a primary sedimentation tank which are connected in sequence; the biochemical treatment system comprises a hydrolysis acidification tank, an IC reaction tower, an activated sludge tank, a contact oxidation tank and a secondary sedimentation tank which are connected in sequence; the advanced treatment system comprises a secondary Fenton reaction device and a tertiary sedimentation tank which are connected in sequence.
2. The resin production wastewater treatment system according to claim 1, further comprising a first conditioning tank; the first regulating tank is arranged in front of the pretreatment system.
3. The resin production wastewater treatment system according to claim 2, wherein the pretreatment system further comprises a first coagulation tank and a first flocculation tank; the pretreatment system comprises an oil separation device, an air floatation device, a micro-electrolysis tower, a primary Fenton reaction device, a first coagulation tank, a first flocculation tank and a primary sedimentation tank which are sequentially connected.
4. The resin production wastewater treatment system according to claim 2, wherein the advanced treatment system further comprises a second coagulation tank and a second flocculation tank; the advanced treatment system comprises a second-stage Fenton reaction device, a second coagulation tank, a second flocculation tank and a third sedimentation tank which are sequentially connected.
5. The resin production wastewater treatment system according to claim 3, further comprising a second conditioning tank; the second adjusting tank is arranged between the air floatation device of the pretreatment system and the micro-electrolysis tower.
6. The resin production wastewater treatment system according to claim 5, further comprising a third conditioning tank; and the third regulating tank is arranged between the primary Fenton reaction device of the pretreatment system and the first coagulation tank.
7. The resin production wastewater treatment system according to claim 1 or 2, further comprising a fourth conditioning tank; the fourth regulating tank is arranged between the pretreatment system and the biochemical treatment system.
8. The resin production wastewater treatment system according to claim 1, further comprising a fifth conditioning tank; the fifth regulating tank is arranged between the biochemical treatment system and the advanced treatment system.
9. The resin production wastewater treatment system according to claim 4, further comprising a sixth conditioning tank; and the sixth regulating tank is arranged between the second-stage Fenton reaction device of the advanced treatment system and the second coagulation tank.
10. The resin production wastewater treatment system according to claim 6, further comprising an odor treatment device; the odor treatment device is respectively connected with the first regulating tank, the second regulating tank, the micro-electrolysis tower, the first-stage Fenton reaction device, the third regulating tank, the first coagulation tank, the first flocculation tank, the first-stage sedimentation tank, the hydrolysis acidification tank, the IC reaction tower and the activated sludge tank.
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| CN202123442260.9U CN216890526U (en) | 2021-12-30 | 2021-12-30 | Resin waste water processing system |
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| CN202123442260.9U CN216890526U (en) | 2021-12-30 | 2021-12-30 | Resin waste water processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212956A (en) * | 2021-12-30 | 2022-03-22 | 广东广深环保科技股份有限公司 | Resin production wastewater treatment system and method |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114212956A (en) * | 2021-12-30 | 2022-03-22 | 广东广深环保科技股份有限公司 | Resin production wastewater treatment system and method |
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