CN219771904U - Production wastewater treatment system of hazardous waste disposal plant - Google Patents
Production wastewater treatment system of hazardous waste disposal plant Download PDFInfo
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- CN219771904U CN219771904U CN202223097822.5U CN202223097822U CN219771904U CN 219771904 U CN219771904 U CN 219771904U CN 202223097822 U CN202223097822 U CN 202223097822U CN 219771904 U CN219771904 U CN 219771904U
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- Prior art keywords
- tank
- treatment system
- materialization
- equipment
- wastewater treatment
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 25
- 239000002920 hazardous waste Substances 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000011282 treatment Methods 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 7
- 239000011574 phosphorus Substances 0.000 claims abstract description 7
- 238000004062 sedimentation Methods 0.000 claims description 21
- 239000010802 sludge Substances 0.000 claims description 18
- 229910001385 heavy metal Inorganic materials 0.000 claims description 15
- 238000005189 flocculation Methods 0.000 claims description 13
- 230000016615 flocculation Effects 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 4
- 239000005416 organic matter Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001590 oxidative effect Effects 0.000 abstract description 4
- 150000002500 ions Chemical class 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 3
- 229920002401 polyacrylamide Polymers 0.000 description 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000003851 biochemical process Effects 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a production wastewater treatment system of a hazardous waste disposal plant, which comprises a materialization system and biochemical equipment which are sequentially communicated through a pipeline, wherein the materialization system comprises a Fenton reaction tank, and the Fenton reaction tank is used for oxidizing refractory organic matters in wastewater; the biochemical equipment is used for removing COD, ammonia nitrogen, total nitrogen and total phosphorus from the wastewater after the oxidation treatment. Compared with the prior art, the utility model provides the production wastewater treatment system of the hazardous waste treatment plant, which is used for oxidizing and treating refractory organic matters through the Fenton reaction tank, further removing COD, ammonia nitrogen, total nitrogen and total phosphorus through the biochemical means of biochemical equipment, ensuring that the wastewater is discharged up to the standard, and has the advantages of good wastewater treatment effect, flexible and convenient management and the like.
Description
Technical Field
The utility model relates to the technical field of wastewater treatment, in particular to a production wastewater treatment system of a hazardous waste disposal plant.
Background
Hazardous waste is waste with various toxicity, inflammability, corrosiveness, chemical reactivity and infectivity, listed in the national hazardous waste directory or with hazardous characteristics identified according to the national hazardous waste identification standards and methods, and has the advantages of various types, complex composition and potential and hysteresis of pollution.
Once produced, hazardous waste should be disposed of in accordance with relevant regulations. The waste water produced by dangerous waste treatment is generally complex in toxic and harmful components, serious in pollution degree, unbalanced in nutrition proportion, high in heavy metal content and poor in biodegradability, is influenced by material sources and types, and has the characteristics of complex water quality, large fluctuation and large treatment difficulty, so that the treatment process and system are required to have strong adaptability and stability.
Chinese patent publication No. CN 109761446A discloses a wastewater treatment system which mainly adopts a treatment process combining physical chemistry and biochemistry. However, the technical scheme does not have a high-efficiency treatment means specially aiming at refractory organic matters and heavy metal ions in the front-stage materialization process, so that toxic organic matters and heavy metals can influence the effective operation of the rear-stage biochemical process, the emission standard cannot be met, and the operation is unstable.
In view of the foregoing, it is desirable to provide a hazardous waste disposal plant wastewater treatment system that overcomes the above-described deficiencies of the prior art.
Disclosure of Invention
The utility model aims at: the production wastewater treatment system of the hazardous waste disposal plant aims to solve the problem that the existing wastewater treatment process is not specially used for refractory organic matters, so that wastewater discharge meets the discharge standard and the lifting operation is stable.
In order to achieve the aim of the utility model, the utility model provides a production wastewater treatment system of a hazardous waste disposal plant, which comprises a materialization system and biochemical equipment which are sequentially communicated through pipelines, wherein the materialization system comprises a Fenton reaction tank, the Fenton reaction tank is used for oxidizing refractory organic matters in wastewater, and the biochemical equipment is used for removing COD, ammonia nitrogen, total nitrogen and total phosphorus from the wastewater after the oxidation treatment.
In a preferred embodiment of the present utility model, the materialization system includes a first materialization apparatus and a second materialization apparatus, the Fenton reaction tank is disposed in the first materialization apparatus, and the second materialization apparatus is used for removing heavy metal ions.
In a preferred embodiment of the present utility model, the first materialization apparatus further includes a pH adjusting tank, a first flocculation tank and a first inclined plate sedimentation tank which are sequentially communicated through a pipe, and the Fenton reaction tank is disposed between the pH adjusting tank and the first flocculation tank.
In a preferred embodiment of the present utility model, the second chemical apparatus includes a pH reaction tank, a second flocculation tank, a second inclined plate sedimentation tank, and a pH callback tank, which are sequentially communicated through pipes.
In a preferred embodiment of the present utility model, the biochemical apparatus includes an anaerobic tank, an anoxic tank, an aerobic tank, and a sedimentation tank, which are sequentially communicated through pipes.
In a preferred embodiment of the utility model, the end of the pipeline of the sedimentation tank is provided with a middle water tank.
In a preferred embodiment of the utility model, the biochemical equipment is further connected to a sludge treatment system at the end of the pipeline.
In a preferred embodiment of the utility model, the sludge treatment system comprises a sludge tank, a pneumatic diaphragm pump, an air compressor and a plate-and-frame filter press which are sequentially communicated through a sludge pipeline.
Compared with the prior art, the production wastewater treatment system of the hazardous waste treatment plant provided by the utility model has the advantages that refractory organic matters are subjected to oxidation treatment through the Fenton reaction tank, COD, ammonia nitrogen, total nitrogen and total phosphorus are further removed through biochemical means of biochemical equipment, the standard discharge of wastewater is ensured, the wastewater treatment effect is good, and the management is flexible and convenient. In addition, the utility model integrates all the process section equipment into the integrated equipment, is convenient for equipment installation and maintenance, and has the advantages of small occupied area, investment saving and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a hazardous waste disposal plant wastewater treatment system provided by the utility model.
Reference numerals in the drawings: 100. a production wastewater treatment system of a hazardous waste disposal plant; 10. a first materialization device; 11. a pH adjusting tank; 12. fenton reaction tank; 13. a first flocculation tank; 14. a first inclined plate sedimentation tank; 20. a second chemical device; 21. a pH reaction tank; 22. a second flocculation tank; 23. a second inclined plate sedimentation tank; 24. a pH callback pool; 30. biochemical equipment; 31. an anaerobic tank; 32. an anoxic tank; 33. an aerobic tank; 34. a sedimentation tank; 40. a sludge treatment system; 41. a sludge pool; 42. a pneumatic diaphragm pump; 43. an air compressor; 44. a plate and frame filter press; 50. a medium water pool.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present utility model more apparent, the present utility model will be further described in detail with reference to the accompanying drawings and detailed description. It should be understood that the detailed description is intended to illustrate the utility model, and not to limit the utility model.
It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In the embodiment of the utility model, a production wastewater treatment system 100 of a hazardous waste disposal plant is provided, and is used for sequentially carrying out oxidation, heavy metal ion removal, biochemistry and other means on production wastewater, so as to ensure that the wastewater is discharged after reaching standards, and the wastewater is recycled.
Referring to fig. 1, the treatment system 100 for industrial wastewater in a hazardous waste disposal plant of the present utility model includes a materialization system (10, 20) and a biochemical equipment 30 sequentially connected by a pipeline, wherein the materialization system (10, 20) includes a first materialization equipment 10 and a second materialization equipment 20, the first materialization equipment 10 includes a Fenton reaction tank 12, and the second materialization equipment 20 is mainly used for removing heavy metal ions.
Specifically, the first materialization device 10 further comprises a pH adjusting tank 11, a first flocculation tank 13 and a first inclined plate sedimentation tank 14 which are sequentially communicated through pipelines, and the Fenton reaction tank 12 is arranged between the pH adjusting tank 11 and the first flocculation tank 13.
The medicaments used in the pH adjusting tank 11 are hydrochloric acid and sodium hydroxide solution; the medicament used in the Fenton reaction tank 12 is H 2 O 2 And FeSO 4 The method is used for oxidizing refractory organic matters in the wastewater; the agents used in the first flocculation tank 13 are PAC (polyaluminum chloride) and PAM (polyacrylamide) for precipitating heavy metal ions. The first inclined plate sedimentation tank 14 is used for precipitating sediment containing heavy metal ions to the bottom to form sediment sludge, and the precipitated wastewater is introduced into the second chemical apparatus 20.
Further, the second chemical apparatus 20 includes a pH reaction tank 21, a second flocculation tank 22, a second inclined plate sedimentation tank 23, and a pH callback tank 24, which are sequentially communicated through pipes.
The reagents used in the pH reaction tank 21 are sodium hydroxide solution and heavy metal capturing agent; the agents used in the second flocculation basin 22 are PAC and PAM, and the agents used in the pH adjustment basin 24 are hydrochloric acid solutions. The second chemical device 20 is used for further capturing heavy metals in the production wastewater after the primary treatment of the first chemical device 10, so that the efficiency of treating heavy metal ions is improved, and the influence of toxic organic matters and heavy metals on the effective operation of the subsequent biochemical process is avoided. Wherein the second inclined plate sedimentation tank 23 is used for precipitating sediment containing heavy metal ions to the bottom to form sediment mud, and introducing the precipitated wastewater into the biochemical equipment 30.
In an embodiment of the present utility model, the biochemical apparatus 30 includes an anaerobic tank 31, an anoxic tank 32, an aerobic tank 33, and a sedimentation tank 34, which are sequentially communicated through pipes.
Wherein, biological filler is arranged in the anaerobic tank 31 and the anoxic tank 32, MBBR filler (moving bed biological fluidized bed filler) is arranged in the aerobic tank 33, and aeration is carried out by blast. Thus, the biochemical equipment 30 is used to remove COD (chemical oxygen demand) from wastewater after oxidation treatment and heavy metal ion capturing precipitation, and an oxidizing agent used for measuring chemical oxygen demand, such as potassium permanganate or potassium dichromate, ammonia nitrogen, total nitrogen and total phosphorus. The sedimentation tank 34 is used for precipitating sediment with biochemical ions and discharging reclaimed water which can be recycled.
Further, the biochemical equipment 30 is further connected to a sludge treatment system 40 at the end of the pipeline.
Specifically, the sludge treatment system 40 includes a sludge tank 41, a pneumatic diaphragm pump 42, an air compressor 43, and a plate and frame filter press 44, which are sequentially connected through a sludge pipe. The agent used in the plate and frame filter press 44 is ferric trichloride, and the sludge is subjected to filter pressing by the plate and frame filter press 44 to form dry sludge which is convenient to transport.
Wherein the sludge tank 41 can simultaneously receive the sediments in the first inclined plate sedimentation tank 14, the second inclined plate sedimentation tank 23 and the sedimentation tank 34. Further, the sedimentation tank 34 is provided with a middle water tank 50 at the end of the pipeline.
As can be seen from the above detailed description of the specific embodiments of the present utility model, compared with the prior art, the treatment system 100 for treating industrial wastewater of hazardous waste treatment plants provided by the present utility model oxidizes and treats refractory organic matters by using the Fenton reaction tank 12, and further removes COD, ammonia nitrogen, total nitrogen and total phosphorus by using biochemical means of the biochemical equipment 30, so as to ensure that wastewater reaches the standard and is discharged, and has the advantages of good wastewater treatment effect, flexible and convenient management, etc. In addition, the process section equipment is integrated into integrated equipment, so that the equipment is convenient to install and maintain, and the equipment has the advantages of small occupied area, investment saving and the like.
The present utility model is not limited to the details and embodiments described herein, and thus additional advantages and modifications may readily be made by those skilled in the art, without departing from the spirit and scope of the general concepts defined in the claims and the equivalents thereof, and the utility model is not limited to the specific details, representative apparatus and illustrative examples shown and described herein.
Claims (6)
1. The utility model provides a danger waste disposal factory production wastewater treatment system, its characterized in that, danger waste disposal factory production wastewater treatment system includes materialization system and biochemical equipment that communicate in proper order through the pipeline, wherein, materialization system includes the Fenton reaction tank, the Fenton reaction tank is arranged in the refractory organic matter in the oxidation treatment waste water, biochemical equipment is arranged in getting rid of COD, ammonia nitrogen, total nitrogen and total phosphorus in the waste water after the oxidation treatment, materialization system includes first materialization equipment and second materialization equipment, fenton reaction tank locates in the first materialization equipment, second materialization equipment is used for getting rid of heavy metal ion, biochemical equipment includes anaerobic tank, anoxic tank, aerobic tank and the sedimentation tank that communicate in proper order through the pipeline.
2. The hazardous waste disposal plant production wastewater treatment system of claim 1, wherein the first materialization device further comprises a pH adjusting tank, a first flocculation tank and a first inclined plate sedimentation tank which are sequentially communicated through a pipeline, and the Fenton reaction tank is arranged between the pH adjusting tank and the first flocculation tank.
3. The hazardous waste disposal plant production wastewater treatment system of claim 1, wherein the second chemical equipment comprises a pH reaction tank, a second flocculation tank, a second inclined plate sedimentation tank, and a pH callback tank, which are sequentially communicated through a pipeline.
4. The hazardous waste disposal plant production wastewater treatment system of claim 1, wherein a middle water tank is provided at a pipe end of the sedimentation tank.
5. The hazardous waste disposal plant production wastewater treatment system of claim 1, wherein the biochemical equipment is further connected with a sludge treatment system at the end of the pipeline.
6. The hazardous waste disposal plant production wastewater treatment system of claim 5, wherein the sludge treatment system comprises a sludge basin, a pneumatic diaphragm pump, an air compressor, and a plate and frame filter press, which are sequentially communicated through a sludge pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097822.5U CN219771904U (en) | 2022-11-22 | 2022-11-22 | Production wastewater treatment system of hazardous waste disposal plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223097822.5U CN219771904U (en) | 2022-11-22 | 2022-11-22 | Production wastewater treatment system of hazardous waste disposal plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219771904U true CN219771904U (en) | 2023-09-29 |
Family
ID=88138337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223097822.5U Active CN219771904U (en) | 2022-11-22 | 2022-11-22 | Production wastewater treatment system of hazardous waste disposal plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219771904U (en) |
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2022
- 2022-11-22 CN CN202223097822.5U patent/CN219771904U/en active Active
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