CN113955890A - Papermaking sewage treatment system - Google Patents
Papermaking sewage treatment system Download PDFInfo
- Publication number
- CN113955890A CN113955890A CN202111138202.9A CN202111138202A CN113955890A CN 113955890 A CN113955890 A CN 113955890A CN 202111138202 A CN202111138202 A CN 202111138202A CN 113955890 A CN113955890 A CN 113955890A
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- Prior art keywords
- filter screen
- chamber
- sewage treatment
- screen
- filter
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- 239000010865 sewage Substances 0.000 title claims abstract description 91
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 238000001704 evaporation Methods 0.000 claims abstract description 24
- 230000008020 evaporation Effects 0.000 claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 29
- 239000011148 porous material Substances 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 abstract description 15
- 239000010410 layer Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention provides a papermaking sewage treatment system which is characterized by comprising a sewage treatment box, a medicine inlet box, a stirring chamber, a filter screen, a stirring device, a filter assembly, a filter chamber, an evaporation chamber, a settling chamber and a support frame, wherein the filter screen is arranged at the upper end of the bottom of the sewage treatment box; four-layer structure with different apertures can effectively intercept the impurity of different degree in the sewage, compares in prior art individual layer filter screen structure, and this application is more thorough to impurity clearance in the sewage, and the condition that makes the impurity to its jam takes place owing to its entry undersize when reducing sewage in the at utmost and getting into the filter chamber.
Description
Technical Field
The invention relates to the technical field of papermaking, in particular to a papermaking sewage treatment system.
Background
With the acceleration of urbanization and industrialization in China, the gap of water resource requirements is increasing day by day. Under the background, the sewage treatment industry becomes a new industry, and is in the same important position as the tap water production, water supply, drainage and reclaimed water reuse industries at present; if sewage generated in the current papermaking production process is directly discharged without being treated, the influence on the daily life of people can be caused, and then special sewage treatment equipment is used for treating the sewage generated in papermaking, but the current sewage treatment equipment cannot thoroughly remove residual papermaking residues in the sewage and cannot thoroughly clean, so that technical personnel in the field further improve the sewage treatment equipment;
the existing papermaking sewage treatment system is sequentially provided with a sewage treatment box, a stirring chamber, a filtering chamber, an evaporation chamber and a settling chamber from top to bottom, wherein filter screens are respectively arranged between the stirring chamber and the sewage treatment box as well as between the stirring chamber and the filtering chamber, a stirring paddle controlled by a motor is arranged in the stirring chamber, so that liquid medicine can be rapidly mixed with sewage conveniently, a heating pipe is arranged in the evaporation chamber, so that the sewage can be disinfected conveniently, the papermaking sewage treatment system for cleaning and processing the papermaking can partially filter paper scraps in the papermaking sewage through the filter screens when the papermaking sewage enters the filter screens at the bottom of the stirring chamber, and then the waste scraps in the evaporation chamber can be filtered again when the papermaking sewage enters the filter screens at the bottom of the stirring chamber, so that the papermaking sewage is filtered thoroughly;
the existing sewage treatment system for papermaking is provided with a sewage treatment box, a stirring chamber, a filtering chamber, an evaporating chamber and a settling chamber through improvement, although residues in sewage can be removed, the existing sewage treatment system for papermaking still has the following defects in the actual use process: this system is through setting up the filter screen that two-layer structure identical and the pore is unanimous, make sewage at first will filter through the filter screen before getting into the teeter chamber, this filter screen intercepts the large granule impurity in the sewage, the in-process that the sewage when the teeter chamber got into the filter chamber, because the impurity particle in this part sewage is less than the pore of filter screen, the filter screen that is located between teeter chamber and the filter chamber can not play very big effect, and the entry size of filter chamber is compared in the cavity area of filter chamber and will be much less, the sewage gets into the inside small granule impurity of filter chamber and blocks up the entry of filter chamber very easily, the velocity of flow that leads to sewage to get into the evaporating chamber slows down, further dragged sewage treatment's progress, sewage treatment's efficiency has been reduced.
Disclosure of Invention
According to the technical problem, the invention provides a papermaking sewage treatment system which is characterized by comprising a sewage treatment box, a medicine inlet box, a stirring chamber, a filter screen, a stirring device, a filtering assembly, a filtering chamber, an evaporation chamber, a settling chamber and a supporting frame, the upper end of the sewage treatment box is provided with a water inlet, the upper end of the bottom of the sewage treatment box is provided with a filter screen, the middle part of the sewage treatment box is provided with a medicine inlet box, the lower end of the medicine inlet box extends to the lower side of the filter screen, the bottom of the sewage treatment tank is connected with a stirring chamber, a stirring device is arranged in the stirring chamber, the lower end of the stirring chamber is provided with a filtering component, the bottom of the stirring chamber is provided with a filtering chamber, the filtering chamber is connected with the evaporation chamber, the evaporation chamber is connected with the settling chamber, the settling chamber is arranged on the right side of the evaporation chamber, and supporting frames are arranged at the bottoms of the settling chamber and the evaporation chamber;
the filtering component consists of a rectangular frame, a first filter screen, a second filter screen, a third filter screen, a fourth filter screen, a mounting clamping plate and a clamping groove, the inner wall of the stirring chamber is arranged on a rectangular frame, a first filter screen, a second filter screen, a third filter screen and a fourth filter screen are sequentially arranged in the rectangular frame from top to bottom, the first filter screen and the fourth filter screen are respectively of a flat plate structure, the second filter screen and the third filter screen are respectively of a wave structure, the left and right side walls of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen are respectively welded with a mounting clamping plate, the left and right inner side walls of the rectangular frame are respectively provided with a clamping groove corresponding to the first filter screen, the second filter screen, the third filter screen and the fourth filter screen, the clamping groove is internally provided with an installation clamping plate, and the front side wall and the rear side wall of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen are welded with the front inner side wall and the rear inner side wall of the rectangular frame; the pore diameter of the second filter screen is smaller than that of the first filter screen, the pore diameter of the third filter screen is smaller than that of the second filter screen, and the pore diameter of the fourth filter screen is smaller than that of the third filter screen.
The invention has the beneficial effects that:
the invention has novel design and simple structure, replaces the filter screen arranged between the stirring chamber and the filter chamber in the prior art by arranging the filter component, achieves the multi-stage filtration of the sewage, reduces the occurrence of the condition that the impurities block the inlet of the filter chamber to the maximum extent, and increases the contact area of the sewage by arranging the four-layer structure of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen which are completely different in filter screen structure, and the apertures of the first filter screen, the second filter screen, the third filter screen and the fourth filter screen are gradually reduced, the sewage passes through the filter component to be filtered by four layers through the first filter screen, the second filter screen, the third filter screen and the fourth filter screen, and the four-layer structure with different apertures can effectively intercept the impurities with different degrees in the sewage, compared with the single-layer filter screen structure in the prior art, this application is to impurity clearance's in the sewage more thoroughly, because its entry undersize makes impurity to its condition emergence of blockking up when reducing sewage in the at utmost and getting into the filter chamber, can effectively guarantee the velocity of flow that sewage got into the filter chamber after the improvement for sewage treatment can normal operating, has improved sewage treatment's efficiency.
Drawings
FIG. 1 is a partial schematic view of the installation of two drain bodies according to the present invention;
FIG. 2 is a cross-sectional view of a filter assembly of the present invention;
FIG. 3 is a top view of the filter assembly of the present invention;
FIG. 4 is a partial schematic view of a second screen according to the present invention;
FIG. 5 is a flow chart of the present invention.
As shown in the figure, 1-a sewage treatment box, 2-a medicine feeding box, 3-a stirring chamber, 4-a filter screen, 5-a stirring device, 6-a filtering component, 61-a rectangular frame, 62-a first filter screen, 63-a second filter screen, 64-a third filter screen, 65-a fourth filter screen, 66-an installation clamping plate, 67-a clamping groove, 7-a filtering chamber, 8-an evaporation chamber, 9-a settling chamber and 10-a supporting frame.
Detailed Description
Example 1
The invention provides a papermaking sewage treatment system, which is characterized by comprising a sewage treatment box 1, a medicine inlet box 2, a stirring chamber 3, a filter screen 4 and a stirring device 5, the device comprises a filtering component 6, a filtering chamber 7, an evaporation chamber 8, a settling chamber 9 and a support frame 10, wherein a water inlet is formed in the upper end of a sewage treatment box 1, a filtering screen 4 is installed at the upper end of the bottom of the sewage treatment box 1, a medicine inlet box 2 is arranged in the middle of the sewage treatment box 1, the lower end of the medicine inlet box 2 extends to the lower side of the filtering screen 4, a stirring chamber 3 is connected to the bottom of the sewage treatment box 1, a stirring device 5 is arranged inside the stirring chamber 3, the filtering component 6 is arranged at the lower end of the stirring chamber 3, the filtering chamber 7 is arranged at the bottom of the stirring chamber 3, the filtering chamber 7 is connected with the evaporation chamber 8, the evaporation chamber 8 is connected with the settling chamber 9, the settling chamber 9 is arranged on the right side of the evaporation chamber 8, and the support frame 10 is installed at the bottoms of the settling chamber 9 and the evaporation chamber 8;
the filtering component 6 is composed of a rectangular frame 61, a first filter screen 62, a second filter screen 63, a third filter screen 64, a fourth filter screen 65, an installation clamping plate 66 and a clamping groove 67, the inner wall of the stirring chamber 3 is installed on the rectangular frame 61, the first filter screen 62, the second filter screen 63, the third filter screen 64 and the fourth filter screen 65 are sequentially arranged inside the rectangular frame 61 from top to bottom, the first filter screen 62 and the fourth filter screen 65 are respectively of a flat plate structure, the second filter screen 63 and the third filter screen 64 are respectively of a wave structure, the left side wall and the right side wall of the first filter screen 62, the second filter screen 63, the third filter screen 64 and the fourth filter screen 65 are respectively welded with the installation clamping plate 66, the left inner side wall and the right inner side wall of the rectangular frame 61 correspond to the first filter screen 62, the second filter screen 63, the third filter screen 64 and the fourth filter screen 65, the clamping groove 67 is respectively formed in the clamping groove 67, the installation clamping plate 66 is installed in the clamping groove 67, the first filter screen 62, the second filter screen 63, the third filter screen 64, the third filter screen 65, The front and rear side walls of the fourth filter screen 65 are welded to the front and rear inner side walls of the rectangular frame 61; the pore diameter of the second screen 63 is smaller than that of the first screen 62, the pore diameter of the third screen 64 is smaller than that of the second screen 63, and the pore diameter of the fourth screen 65 is smaller than that of the third screen 64.
Example 2
When the invention is used, firstly, sewage is injected from a water inlet of a sewage treatment box 1, the sewage filters large-particle impurities through a filter screen 4 and enters a stirring chamber 3, liquid medicine is added into the stirring chamber 3 of a medicine inlet box 2, a stirring device 5 stirs the sewage and the liquid medicine, residual substances in the sewage are dissolved and volatilized through a medicament, then the sewage enters a filtering component 6, the sewage is subjected to layered filtering through a first filter screen 62, a second filter screen 63, a third filter screen 64 and a fourth filter screen 65 to intercept impurities with different degrees and then enters a filtering chamber 7, the filtering chamber 7 guides the sewage into an evaporation chamber 8 through the self structure thereof, a heating pipe in the evaporation chamber 8 generates high-temperature sewage for sterilization, then the heating pipe penetrates through the interior of a settling chamber 9, the sewage is finally filtered and cleaned through an active carbon material in the settling chamber 9 and finally discharged from a water outlet, thereby completing the installation and operation flow inside the system for cleaning the sewage of the paper-making processing, namely the working principle of the system for cleaning the sewage of the paper-making processing;
the filter is provided with four-layer structures of a first filter screen 62, a second filter screen 63, a third filter screen 64 and a fourth filter screen 65, the filter screen structures of the first filter screen 62, the fourth filter screen 65, the second filter screen 63 and the third filter screen 64 are completely different, the contact area of sewage is increased, the aperture of the first filter screen 62, the second filter screen 63, the third filter screen 64 and the fourth filter screen 65 is gradually reduced, the sewage passes through the filter assembly 6 and is subjected to four-layer filtering through the first filter screen 62, the second filter screen 63, the third filter screen 64 and the fourth filter screen 65, and the four-layer structures with different apertures can effectively intercept impurities with different degrees in the sewage, compared with a single-layer filter screen structure in the prior art, the application can more thoroughly clean the impurities in the sewage, the condition that the impurities are blocked due to undersize when the sewage enters the filter chamber 7 is reduced to the greatest extent, and the flow rate of the sewage entering the filter chamber 7 can be effectively ensured after improvement, so that the sewage treatment can be normally operated, and the efficiency of the sewage treatment is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the invention has been described with respect to the above embodiments, it will be understood by those skilled in the art that the invention is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A papermaking sewage treatment system is characterized by comprising a sewage treatment box, a medicine inlet box, a stirring chamber, a filter screen, a stirring device, a filtering assembly, a filter chamber, an evaporation chamber, a settling chamber and a support frame, the upper end of the sewage treatment box is provided with a water inlet, the upper end of the bottom of the sewage treatment box is provided with a filter screen, the middle part of the sewage treatment box is provided with a medicine inlet box, the lower end of the medicine inlet box extends to the lower side of the filter screen, the bottom of the sewage treatment tank is connected with a stirring chamber, a stirring device is arranged in the stirring chamber, the lower end of the stirring chamber is provided with a filtering component, the bottom of the stirring chamber is provided with a filtering chamber, the filtering chamber is connected with the evaporation chamber, the evaporation chamber is connected with the settling chamber, the settling chamber is arranged on the right side of the evaporation chamber, and supporting frames are arranged at the bottoms of the settling chamber and the evaporation chamber;
the filter assembly comprises rectangular frame, first filter screen, second filter screen, third filter screen, fourth filter screen, installation splint, double-layered groove, install in rectangular frame the inner wall of teeter chamber, rectangular frame's inside has first filter screen, second filter screen, third filter screen, fourth filter screen of having set gradually from top to bottom, the lateral wall has welded the installation splint respectively about first filter screen, second filter screen, third filter screen, fourth filter screen, the double-layered groove has been seted up respectively to the inside wall about rectangular frame corresponds first filter screen, second filter screen, third filter screen, fourth filter screen, install in the installation splint in the double-layered groove, the inside wall welds around the front and back lateral wall and rectangular frame of first filter screen, second filter screen, third filter screen, fourth filter screen.
2. The sewage treatment system for papermaking according to claim 1, wherein the first screen and the fourth screen are each of a flat plate structure.
3. The sewage treatment system for papermaking according to claim 1, wherein the second screen and the third screen are each of a wave structure.
4. The sewage treatment system for papermaking according to claim 1, wherein the pore diameter of the second screen is smaller than the pore diameter of the first screen.
5. The sewage treatment system for papermaking according to claim 1, wherein the third screen has a pore diameter smaller than that of the second screen.
6. The sewage treatment system for papermaking according to claim 1, wherein the pore diameter of the fourth screen is smaller than the pore diameter of the third screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138202.9A CN113955890A (en) | 2021-09-27 | 2021-09-27 | Papermaking sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138202.9A CN113955890A (en) | 2021-09-27 | 2021-09-27 | Papermaking sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113955890A true CN113955890A (en) | 2022-01-21 |
Family
ID=79462560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111138202.9A Pending CN113955890A (en) | 2021-09-27 | 2021-09-27 | Papermaking sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113955890A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367932A (en) * | 2022-07-12 | 2022-11-22 | 江苏博汇纸业有限公司 | Microorganism multilayer control sterilization equipment for papermaking water |
| CN118140859A (en) * | 2024-04-09 | 2024-06-07 | 北京科力华源科技有限公司 | Aquatic environment simulation device for aquatic organism AI identification |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0856527A (en) * | 1994-08-16 | 1996-03-05 | Nippon Doubutsu Yakuhin Kk | Filtering material for apparatus for purifying water tank of aquarium fish |
| CN201578910U (en) * | 2009-11-26 | 2010-09-15 | 张明亮 | Sewage filter |
| CN103567145A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Screen plate for petroleum drilling fluid |
| CN206843205U (en) * | 2017-04-05 | 2018-01-05 | 东莞市德盈金属材料有限公司 | A kind of Active carbon fiber filter core |
| CN208747850U (en) * | 2018-09-03 | 2019-04-16 | 中顺洁柔（四川）纸业有限公司 | One kind is for cleaning papermaking processing sewage disposal system |
-
2021
- 2021-09-27 CN CN202111138202.9A patent/CN113955890A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0856527A (en) * | 1994-08-16 | 1996-03-05 | Nippon Doubutsu Yakuhin Kk | Filtering material for apparatus for purifying water tank of aquarium fish |
| CN201578910U (en) * | 2009-11-26 | 2010-09-15 | 张明亮 | Sewage filter |
| CN103567145A (en) * | 2013-11-12 | 2014-02-12 | 成都科盛石油科技有限公司 | Screen plate for petroleum drilling fluid |
| CN206843205U (en) * | 2017-04-05 | 2018-01-05 | 东莞市德盈金属材料有限公司 | A kind of Active carbon fiber filter core |
| CN208747850U (en) * | 2018-09-03 | 2019-04-16 | 中顺洁柔（四川）纸业有限公司 | One kind is for cleaning papermaking processing sewage disposal system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115367932A (en) * | 2022-07-12 | 2022-11-22 | 江苏博汇纸业有限公司 | Microorganism multilayer control sterilization equipment for papermaking water |
| CN118140859A (en) * | 2024-04-09 | 2024-06-07 | 北京科力华源科技有限公司 | Aquatic environment simulation device for aquatic organism AI identification |
| CN118140859B (en) * | 2024-04-09 | 2024-09-06 | 北京科力华源科技有限公司 | Aquatic environment simulation device for aquatic organism AI identification |
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Application publication date: 20220121 |
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| RJ01 | Rejection of invention patent application after publication |