CN203878022U - Non-wood clean pulping wastewater treatment system - Google Patents
Non-wood clean pulping wastewater treatment system Download PDFInfo
- Publication number
- CN203878022U CN203878022U CN201420222512.8U CN201420222512U CN203878022U CN 203878022 U CN203878022 U CN 203878022U CN 201420222512 U CN201420222512 U CN 201420222512U CN 203878022 U CN203878022 U CN 203878022U
- Authority
- CN
- China
- Prior art keywords
- pond
- sludge
- tank
- settling tank
- treatment system
- 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 - Lifetime
Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 32
- 239000002023 wood Substances 0.000 title claims abstract description 29
- 238000004537 pulping Methods 0.000 title claims abstract description 28
- 239000010802 sludge Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000004140 cleaning Methods 0.000 claims abstract description 26
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000004062 sedimentation Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000010801 sewage sludge Substances 0.000 claims description 15
- 230000008021 deposition Effects 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 11
- 239000002699 waste material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000002351 wastewater Substances 0.000 abstract description 22
- 239000010865 sewage Substances 0.000 abstract description 12
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 abstract 2
- 239000004576 sand Substances 0.000 abstract 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model relates to a non-wood clean pulping wastewater treatment system. The wastewater treatment system comprises a coarse filtration system, a secondary filtration sand sedimentation system, an oxidation ditch sewage treatment system, a final sedimentation tank system and a sludge treatment system which are sequentially connected by virtue of pipelines, wherein the coarse filtration system comprises a coarse grille room and a water collection tank, the secondary filtration system comprises a fine grille room and a swirl flow sand sedimentation tank, the oxidation ditch sewage treatment system comprises a selection tank, an anaerobic tank, an anoxic tank and an aerobic tank which are sequentially communicated, an anoxic tank effluent fluid return pipeline is also arranged between the anoxic tank and anaerobic tank, and the anoxic tank effluent fluid return pipeline is connected with the anoxic tank and anaerobic tank; the final sedimentation tank system comprises a sedimentation tank and a water distribution well, and the sludge treatment system comprises a sludge lift pump room, a sludge storage tank and a sludge dewatering room. By virtue of the non-wood clean pulping wastewater treatment system, the recycling of the wastewater produced in a non-wood cleaning system is achieved, the environment pollution caused by sewage discharge is reduced and the water resources are effectively saved.
Description
Technical field
The utility model belongs to technical field of sewage, is a kind of non-wood cleaning pulping Waste Water Treatment specifically.
Background technology
In non-wood cleaning pulping production process, can produce a large amount of waste water, the wastewater flow rate of producing the non-wood cleaning pulping generation of 9.8 ten thousand tons is about 1440m3/d, this part waste water producing in process of production, if be directly discharged in nature and not only can cause environmental pollution, and be unfavorable for the reasonable recycling of water resources.Common adopted processing mode is sewage to be sent to sewage work focus at present.Waste water is after treatment to be generally directly discharged into nature, is no longer back to use in the production of this non-wood cleaning pulping and uses.
In order further to reduce the waste of water resources, realize the recycling again of sewage, the Waste Water Treatment that designs the waste water producing in the non-wood cleaning pulping production process of a kind of special disposal becomes inevitable.This system can realize pulp-making waste-water and again recycle, and has reduced the pollution of pulp-making waste-water for environment, has also avoided the waste for water resources simultaneously.
Summary of the invention
The utility model provides a kind of non-wood cleaning pulping Waste Water Treatment, the waste water of processing through this Waste Water Treatment can be back to use in non-wood cleaning pulping again, realized the cycling and reutilization of waste water, effectively avoided producing the waste water in non-wood cleaning pulping process, through simple process, directly discharge the contaminate environment causing and the problem of the wasting of resources.
In order to address the above problem, the technical scheme that the utility model adopts is: a kind of non-wood cleaning pulping Waste Water Treatment, comprise coarse filtration system, secondary filtration desilting system, oxidation channel wastewater treatment system, final deposition pool system and sludge treating system, between described coarse filtration system, secondary filtration desilting system, oxidation channel wastewater treatment system, final deposition pool system and sludge treating system, by pipeline, be connected successively;
Described coarse filtration system comprises between coarse rack and water collecting basin, between described coarse rack, be connected with non-wood cleaning pulping waste pipe, between coarse rack, inside is provided with coarse rack, between described coarse rack and between water collecting basin, be provided with lift pump, between described coarse rack with between water collecting basin, by lift pump and feedwater line, be connected;
Described secondary filtration desilting system comprises between fine fack and rotational flow grit chamber, between described fine fack with between rotational flow grit chamber, is connected, and the inside between described fine fack is provided with fine fack;
Described oxidation channel wastewater treatment system comprises selects pond, anaerobic pond, anoxic pond and Aerobic Pond, between described selection pond, anaerobic pond, anoxic pond and Aerobic Pond, be connected successively, between described anoxic pond and anaerobic pond, be also provided with anoxic pond and go out flow liquid return line, described anoxic pond goes out flow liquid return line and connects anoxic pond and anaerobic pond;
Described final deposition pool system comprises settling tank and distributing well, between described distributing well and settling tank, water distribution pipeline is set, between described settling tank and the anoxic pond of oxidation channel wastewater treatment system, sludge reflux pipeline is set, sludge reflux pipeline is communicated with settling tank and anoxic pond; Shown settling tank one side is also provided with outlet pipeline, and described settling tank is communicated in filter-sterilized pond by outlet pipeline, and the outlet pipeline in described filter-sterilized pond is connected in clean water basin;
Described sludge treating system comprises sludge lifting pump house, sewage sludge storage pond and sludge dewatering machine room, in described sludge lifting pump house, be provided with some sludge lifting pumps, described sludge lifting pump is connected in sewage sludge storage pond by transmission pipeline, between described sewage sludge storage pond and sludge dewatering machine room, connecting pipeline is set, described sewage sludge storage pond is by being connected with the inner sludge dewatering equipment arranging of sludge dewatering machine room.
Described settling tank is circular radical sedimentation basin.
The number of the described distributing well being connected with settling tank is four, and four distributing wells are around being distributed in the surrounding of settling tank and being connected with settling tank respectively by water distribution pipeline.
The beneficial effects of the utility model are: a kind of non-wood this system of cleaning pulping Waste Water Treatment of the utility model can be used for the waste water producing in the non-wood cleaning pulping production process of special disposal, the non-wood cleaning pulping factory effluent of processing through this system can be recycled in the production process of non-wood cleaning pulping again, realized the recycle again of waste water, effectively avoided the pollution of sewage for physical environment, reduced the waste of water resources, realized pulp-making waste-water and all recycled.
Accompanying drawing explanation
Fig. 1 is the annexation structural representation of each system of the utility model;
In figure: 1-coarse filtration system, 2-secondary filtration desilting system, 3-oxidation channel wastewater treatment system, 31-selects pond, 32-anaerobic pond, 33-anoxic pond, 34-Aerobic Pond, 4-final deposition pool system, 41-settling tank, 411-outlet pipeline, 42-distributing well, 51-sludge lifting pump house, 52-sewage sludge storage pond, 53-sludge dewatering machine room, between 6-coarse rack, 7-water collecting basin, the non-wood cleaning pulping waste pipe of 8-, 9-coarse rack, 10-lift pump, between 11-fine fack, 111-fine fack, 12-rotational flow grit chamber, 13-anoxic pond goes out flow liquid return line, 14-sludge reflux pipeline, 15-filter-sterilized pond, 16-clean water basin, 17-sludge lifting pump, 18-transmission pipeline, 19-connecting pipeline.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by an embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
As shown in Figure 1, a kind of non-wood cleaning pulping Waste Water Treatment of the utility model, comprise coarse filtration system 1, secondary filtration desilting system 2, oxidation channel wastewater treatment system 3, final deposition pool system 4 and sludge treating system 5, between described coarse filtration system 1, secondary filtration desilting system 2, oxidation channel wastewater treatment system 3, final deposition pool system 4 and sludge treating system 5, by pipeline, be connected successively.
Described coarse filtration system 1 comprises between coarse rack 6 and water collecting basin 7, between described coarse rack, 6 are connected in non-wood cleaning pulping waste pipe 8 and are connected, between coarse rack, 6 inside are provided with coarse rack 9, between described coarse rack 6 and water collecting basin 7 between be provided with lift pump 10, between described coarse rack 7 with water collecting basin 7 between by lift pump 10 and feedwater line, be connected.
Described secondary filtration desilting system 2 comprises between fine fack 11 and rotational flow grit chamber 12, between described fine fack 11 with rotational flow grit chamber 12 between be connected, between described fine fack, 11 inside is provided with fine fack 111.
Described oxidation channel wastewater treatment system 3 comprises selects pond 31, anaerobic pond 32, anoxic pond 33 and Aerobic Pond 34, between described selection pond 31, anaerobic pond 32, anoxic pond 33 and Aerobic Pond 34, be connected successively, between described anoxic pond 33 and anaerobic pond 32, be also provided with anoxic pond and go out flow liquid return line 13, described anoxic pond goes out flow liquid return line 13 and is connected between anoxic pond 33 and anaerobic pond 32.
Described final deposition pool system 4 comprises settling tank 41 and distributing well 42, between described distributing well 42 and settling tank 41, water distribution pipeline 14 is set, between described settling tank 41 and the anoxic pond 33 of oxidation channel wastewater treatment system 3, sludge reflux pipeline 14 is set, sludge reflux pipeline 14 is communicated with settling tank 41 and anoxic pond 33.Described settling tank 41 1 sides are also provided with outlet pipeline 411, and described settling tank 41 is communicated in filter-sterilized pond 15 by outlet pipeline 411, and the outlet pipeline 411 in described filter-sterilized pond 15 is connected in clean water basin 16.
Described sludge treating system comprises sludge lifting pump house 51, sewage sludge storage pond 52 and sludge dewatering machine room 53, in described sludge lifting pump house 51, be provided with some sludge lifting pumps 17, described sludge lifting pump 17 is connected in sewage sludge storage pond 52 by transmission pipeline 18, between described sewage sludge storage pond 52 and sludge dewatering machine room 53, connecting pipeline 19 is set, described sewage sludge storage pond 52 is connected with the inner sludge dewatering equipment arranging of sludge dewatering machine room 53 by connecting pipeline 19.
Described settling tank 41 is circular radical sedimentation basin.
The number of the described distributing well 42 being connected with settling tank 41 is four, and four distributing wells 42 are around being distributed in the surrounding of settling tank 41 and being connected with settling tank 41 respectively by water distribution pipeline 14.
Adopt this system as follows to the concrete treating processes of waste water of producing non-wood cleaning pulping and producing:
Produce the waste water that non-wood cleaning pulping produces and enter coarse filtration system 1 through suction culvert, waste water carries out coarse filtration at the 6 inner coarse racks 9 that arrange through between coarse rack, filters out the large suspended substance containing in waste water and is promoted to water collecting basin 7 by lift pump 10.Described water collecting basin 7 is by 11 being connected between the fine fack of pipeline and secondary filtration desilting system 2, through the waste water of coarse filtration, between fine fack, 11 again filter, waste water after filtration enters rotational flow grit chamber 12 and carries out standing desilting, and the waste water after standing desilting enters oxidation channel wastewater treatment system 3 along pipeline.
Oxidation channel wastewater treatment system 3 is main body structures of the present utility model, removes BOD5(five-day BOD), TN(total nitrogen content), TP(total phosphorous) process all in this monomer, complete.
This oxidation channel wastewater treatment system 3 is mainly comprised of following four parts: select pond section, anaerobic pond section, anoxic pond section, Aerobic Pond section.
Waste water is 0.4h selecting the pond section residence time, can the mud of each time period can be mixed, thereby suppress hyphomycetic growth by joining the plate conditioning of mud ratio in mud canal, and dephosphorization bacterial is bred in a large number, becomes dominant bacteria.In the anaerobic pond section residence time, be 1.3h, dephosphorization bacterial is fully released phosphorus therein.The anoxic section residence time is 2h, and denitrifying bacteria is dominant bacteria therein, and its organism of usining in sewage, as carbon source, carries out denitrification to the nitrate in internal reflux sewage, produces nitrogen, and the nitrogen in water is removed.In the Aerobic Pond section residence time, be 10.3h, the form by blast aeration makes more than this section of dissolution of contaminated water oxygen remains on 2mg/L, thereby supplies with the sufficient oxygen of aerobic bacteria for BOD5, the NH3-N of oxidizing water.Its internal reflux amount is controlled by the open degree of internal reflux door, without power, can complete internal reflux.
Sewage after processing finally by oxidation channel wastewater treatment system is overflowed and is flow to final deposition pool by water outlet weir gate, final deposition pool adopts circular radical sedimentation basin, adopt circular radical sedimentation basin to can further improve the precipitation residence time, thereby reduce final deposition pool surface load, guarantee effluent quality.
Excess sludge in final deposition pool precipitation is drawn to the sludge lifting pump house of sludge treating system by scraping and sucking machine, then by residual sludge pump and transmission pipeline, transfer to sewage sludge storage pond, described sewage sludge storage pond is connected by the inner sludge dewatering equipment arranging of connecting pipeline and sludge dewatering machine room, excess sludge dewaters separated in sludge dewatering machine room, the mud filtrate going out through sludge dewatering equipment dehydration sub-argument again enters non-wood cleaning pulping waste pipe and carries out ability circular treatment, thereby has guaranteed the zero release of sewage.
The above is preferred implementation of the present utility model; for those skilled in the art; not departing under the prerequisite of the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (3)
1. a non-wood cleaning pulping Waste Water Treatment, it is characterized in that, comprise coarse filtration system, secondary filtration desilting system, oxidation channel wastewater treatment system, final deposition pool system and sludge treating system, between described coarse filtration system, secondary filtration desilting system, oxidation channel wastewater treatment system, final deposition pool system and sludge treating system, by pipeline, be connected successively;
Described coarse filtration system comprises between coarse rack and water collecting basin, between described coarse rack, be connected with non-wood cleaning pulping waste pipe, between coarse rack, inside is provided with coarse rack, between described coarse rack and between water collecting basin, be provided with lift pump, between described coarse rack with between water collecting basin, by lift pump and feedwater line, be connected;
Described secondary filtration desilting system comprises between fine fack and rotational flow grit chamber, between described fine fack with between rotational flow grit chamber, is connected, and the inside between described fine fack is provided with fine fack;
Described oxidation channel wastewater treatment system comprises selects pond, anaerobic pond, anoxic pond and Aerobic Pond, between described selection pond, anaerobic pond, anoxic pond and Aerobic Pond, be connected successively, between described anoxic pond and anaerobic pond, be also provided with anoxic pond and go out flow liquid return line, described anoxic pond goes out flow liquid return line and connects anoxic pond and anaerobic pond;
Described final deposition pool system comprises settling tank and distributing well, between described distributing well and settling tank, water distribution pipeline is set, between described settling tank and the anoxic pond of oxidation channel wastewater treatment system, sludge reflux pipeline is set, sludge reflux pipeline is communicated with settling tank and anoxic pond; Shown settling tank one side is also provided with outlet pipeline, and described settling tank is communicated in filter-sterilized pond by outlet pipeline, and the outlet pipeline in described filter-sterilized pond is connected in clean water basin;
Described sludge treating system comprises sludge lifting pump house, sewage sludge storage pond and sludge dewatering machine room, in described sludge lifting pump house, be provided with some sludge lifting pumps, described sludge lifting pump is connected in sewage sludge storage pond by transmission pipeline, between described sewage sludge storage pond and sludge dewatering machine room, connecting pipeline is set, described sewage sludge storage pond is by being connected with the inner sludge dewatering equipment arranging of sludge dewatering machine room.
2. a kind of non-wood cleaning pulping Waste Water Treatment as claimed in claim 1, is characterized in that, described settling tank is circular radical sedimentation basin.
3. a kind of non-wood cleaning pulping Waste Water Treatment as claimed in claim 1, it is characterized in that, the number of the described distributing well being connected with settling tank is four, and four distributing wells are around being distributed in the surrounding of settling tank and being connected with settling tank respectively by water distribution pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222512.8U CN203878022U (en) | 2014-05-04 | 2014-05-04 | Non-wood clean pulping wastewater treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420222512.8U CN203878022U (en) | 2014-05-04 | 2014-05-04 | Non-wood clean pulping wastewater treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878022U true CN203878022U (en) | 2014-10-15 |
Family
ID=51678546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420222512.8U Expired - Lifetime CN203878022U (en) | 2014-05-04 | 2014-05-04 | Non-wood clean pulping wastewater treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203878022U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145569A (en) * | 2014-10-24 | 2016-11-23 | 吴小再 | A kind of method of work of the Multistage settling processing system of paper waste |
| CN107042025A (en) * | 2016-12-30 | 2017-08-15 | 广东新环机电装备制造有限公司 | One kind is removed contamination sand removing machine |
| CN109665622A (en) * | 2019-02-25 | 2019-04-23 | 华新方 | A kind of environmental protection sewage-treatment plant |
-
2014
- 2014-05-04 CN CN201420222512.8U patent/CN203878022U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106145569A (en) * | 2014-10-24 | 2016-11-23 | 吴小再 | A kind of method of work of the Multistage settling processing system of paper waste |
| CN107042025A (en) * | 2016-12-30 | 2017-08-15 | 广东新环机电装备制造有限公司 | One kind is removed contamination sand removing machine |
| CN107042025B (en) * | 2016-12-30 | 2022-07-22 | 广东新环机电装备制造有限公司 | Dirt and sand removing machine |
| CN109665622A (en) * | 2019-02-25 | 2019-04-23 | 华新方 | A kind of environmental protection sewage-treatment plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102531298B (en) | Sewage treatment device and method for enhanced denitrification A/A/O (Anodic Aluminum Oxide) and deoxygenation BAF (Biological Aerated Filter) | |
| CN102583743B (en) | Dual-sludge denitrification dephosphorizing and denitrifying A/A-O device and method | |
| CN102795747A (en) | Waste water treatment process | |
| CN108483651A (en) | The modified form multi-mode operation A adjusted based on water quality and quantity2O reaction tanks and sewage disposal system | |
| CN209619125U (en) | Magnetic-coagulation clarification and denitrification filter pool combined type sewage treatment equipment | |
| CN102897975A (en) | Sewage treatment method of town blocks | |
| CN101659502B (en) | Method for treating waste leachate by utilizing high denitrification shared type Orbal oxidation ditch | |
| CN103539324B (en) | Biological ceramsite device for deeply treating domestic wastewater as well as process thereof | |
| CN203878022U (en) | Non-wood clean pulping wastewater treatment system | |
| CN204981504U (en) | Integration denitrogenation decarbonization bological aerated filter | |
| CN211712893U (en) | Difficult degradation industrial waste water treatment system | |
| CN105110556A (en) | Integrated denitrification decarbonization biological aerated filter and processing system thereof | |
| CN205011584U (en) | Sewage treatment system based on MBR | |
| CN101863599A (en) | Sludge water treatment system and treatment method thereof | |
| CN207451862U (en) | A kind of sewage-treatment plant | |
| CN105060487A (en) | Rural domestic sewage treatment system | |
| CN215161945U (en) | Advanced treatment and upgrading system for town sewage | |
| CN103145246A (en) | Device and method for controlling runoff pollution of farmland for large-scale farming | |
| CN203582656U (en) | Reclaimed water reuse system based on oxidation ditch process | |
| CN202542999U (en) | Enhanced phosphorus and nitrogen removal device | |
| CN203307110U (en) | Biological sewage treatment device with flat membrane component | |
| CN207775018U (en) | A effluent disposal system for organic synthesis | |
| CN207973650U (en) | Equipment for processing industrial sewage | |
| CN105060647A (en) | Method for comprehensively treating paint spraying wastewater and domestic wastewater | |
| CN205501077U (en) | Advanced domestic wastewater treatment method recycling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 256215 Wei Qiao Industrial Park, Zouping County, Shandong, Binzhou Patentee after: ZOUPING HUIZE INDUSTRIAL Co.,Ltd. Address before: 256200, No. 1706, Pioneer Road, Shandong Wei County, Binzhou, Shandong, Zouping Patentee before: SHANDONG TIANDIYUAN INDUSTRY Co.,Ltd. |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210820 Granted publication date: 20141015 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20240504 Granted publication date: 20141015 |