CN114291928A - Papermaking waste water environmental protection processing system - Google Patents
Papermaking waste water environmental protection processing system Download PDFInfo
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- CN114291928A CN114291928A CN202111607666.XA CN202111607666A CN114291928A CN 114291928 A CN114291928 A CN 114291928A CN 202111607666 A CN202111607666 A CN 202111607666A CN 114291928 A CN114291928 A CN 114291928A
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Abstract
The invention discloses an environment-friendly treatment system for papermaking wastewater, relates to the technical field of papermaking wastewater treatment, and aims to solve the problems that the existing papermaking wastewater is low in recovery rate and more in discharged part during treatment, and causes great environmental pollution. The upper end of system pedestal is provided with hierarchical halfpace, the upper end of hierarchical halfpace is provided with primary treatment pond and secondary treatment pond, be provided with the suspension board on the preceding terminal surface in primary treatment pond, the upper end of suspension board is provided with the compressed air machine, be provided with the gas injection pipe on the air outlet of compressed air machine, the top in primary treatment pond is installed and is connect the frame, the inside that connects the frame in top is provided with the primary screen cloth of waste water, one side that connects the frame in top is provided with the flotation agent and adds the fill, the flotation agent is provided with annotates the liquid pipe with the lower extreme of fighting, the inside in secondary treatment pond is provided with the mixture and stirs the roller, be provided with the driving machine on the outer wall in secondary treatment pond.
Description
Technical Field
The invention relates to the technical field of papermaking wastewater treatment, in particular to an environment-friendly papermaking wastewater treatment system.
Background
The corrugated paper papermaking wastewater refers to wastewater generated in the pulping and papermaking process, and comprises pulping and cooking waste liquid, washing wastewater, bleaching wastewater, white water of a paper machine and the like, the papermaking wastewater has complex components and poor biodegradability, belongs to industrial wastewater which is difficult to treat, and is one of main industrial pollution sources in China, for example, the application number is as follows: 01128134.0A papermaking wastewater treatment process is mainly characterized in that: the papermaking wastewater is added with acid twice, the pH value is adjusted to be less than 7, and the treated wastewater can be applied to the improvement of planting aquatic plants and alkaline land. Has the advantages that: the invention can greatly reduce the investment in the aspect of papermaking wastewater treatment, namely, the invention has the advantages of small occupied area, less equipment, low energy consumption, low wastewater treatment cost, simple operation method and convenient mastering.
The existing papermaking wastewater is low in recovery rate and more in discharged part during treatment, so that the problem of high environmental pollution degree is caused, and therefore an environment-friendly papermaking wastewater treatment system is provided.
Disclosure of Invention
The invention aims to provide an environment-friendly treatment system for papermaking wastewater, which aims to solve the problems that the existing papermaking wastewater in the background art is low in recovery rate and large in environmental pollution degree due to more discharged parts during treatment.
In order to achieve the purpose, the invention provides the following technical scheme: the environment-friendly papermaking wastewater treatment system comprises a system pedestal, wherein a grading step is arranged at the upper end of the system pedestal, a primary treatment tank and a secondary treatment tank are arranged at the upper end of the grading step, a suspension plate is arranged on the front end surface of the primary treatment tank, a compressed air machine is arranged at the upper end of the suspension plate, an air injection pipe is arranged at the air outlet of the compressed air machine, a butting frame is installed at the top of the primary treatment tank, a primary wastewater screen is arranged inside the butting frame, a flotation agent hopper is arranged on one side of the butting frame, a liquid injection pipe is arranged at the lower end of the flotation agent hopper, a mixing and stirring roller is arranged inside the secondary treatment tank, a driving machine is arranged on the outer wall of the secondary treatment tank, the driving machine is in transmission connection with the mixing and stirring roller through a coupling mechanism, a flow guide pipeline is arranged between the primary treatment tank and the secondary treatment tank, be provided with drainage pipe on the delivery port in secondary treatment pond, one side of drainage pipe is provided with tertiary detection pond, the upper end in tertiary detection pond is provided with the instrument bracket, water quality testing appearance is installed to the upper end of instrument bracket, be provided with the test tube picture peg on one side outer wall of instrument bracket, the upper end of test tube picture peg is provided with quality of water sample test tube, be provided with the backward flow on one side outer wall in tertiary detection pond and take over.
Preferably, the inside in primary treatment pond is provided with the poling pore, and the poling pore sets up with primary treatment pond integrated into one piece, and the gas injection pipe runs through and extends to the inside in primary treatment pond, the extension of gas injection pipe is served and is installed pipe joint, pipe joint and gas injection pipe thread seal installation, pipe joint's inside is provided with the exhaust micropore, and the exhaust micropore sets up with pipe joint integrated into one piece.
Preferably, be provided with the terminal surface recess on the rear end face in primary treatment pond, the terminal surface recess sets up with primary treatment pond integrated into one piece, the inside of terminal surface recess is provided with the liquid level observation window, liquid level observation window and primary treatment pond mechanical seal are connected, be provided with the liquid level marking on the outer wall of liquid level observation window, the outer wall viscose fixed connection of liquid level marking and liquid level observation window.
Preferably, the top that connects the frame is provided with the top frame plate, and the top frame plate connects frame integrated into one piece setting with the top, the upper end of top frame plate is provided with the waste water connecting pipe, the inscription notch is installed to the upper end in primary treatment pond, and the top connects the inside of frame mounting at the inscription notch.
Preferably, a liquid level ruler is arranged on the outer wall of the flotation agent charging hopper, the liquid level ruler and the flotation agent charging hopper are integrally formed, and the flotation agent charging hopper is arranged through a liquid injection pipe and an internal communicating pipe of the primary treatment tank.
Preferably, the top of the secondary treatment tank is provided with a bearing support, the bearing support and the secondary treatment tank are integrally formed, and the upper end of the bearing support is provided with a feeding hopper.
Preferably, the diversion pipeline, the drainage pipeline and the liquid injection pipe are all provided with valves, and the valves are in mechanical sealing connection with the diversion pipeline, the drainage pipeline and the liquid injection pipe.
Preferably, be provided with the switch board on the preceding terminal surface of hierarchical halfpace, the output of switch board passes through power cord and compressed air machine, driving machine and water quality testing appearance's input electric connection.
Preferably, the outer wall of the backflow connecting pipe is provided with a flange connecting disc, the flange connecting disc and the backflow connecting pipe are arranged in an integrated mode, the backflow connecting pipe is internally provided with a mounting bracket, the mounting bracket and the backflow connecting pipe are arranged in an integrated mode, and the mounting bracket is internally provided with an inserting sleeve core.
Preferably, the connection position of the plug-in sleeve core and the mounting bracket is provided with a corresponding connection hole, the corresponding connection hole is respectively integrated with the plug-in sleeve core and the mounting bracket, and the plug-in sleeve core is internally provided with an activated carbon lining filter screen.
Compared with the prior art, the invention has the beneficial effects that:
1. the waste water after twice treatment is sampled by the water quality sampling test tube and is placed into the water quality detector for detection, if the waste water is qualified, the water is refluxed to the production place for corrugated paper making for recycling through the reflux connecting tube, if the waste water is unqualified, the waste water is reinjected into the primary treatment tank for further treatment, until the water quality detection is qualified, and after the whole system is treated, the waste water for corrugated paper making is zero-arranged, so that the utilization rate of the waste water for corrugated paper making is improved. The purpose of environmental protection treatment of waste water is achieved, and the problems that the prior papermaking waste water is low in recovery rate and more in discharged part when being treated, and the environmental pollution degree is large are solved.
2. Air is introduced into the wastewater through the compressed air machine and the gas injection pipe, the air is discharged into the wastewater through the exhaust micropores, and when the air is introduced into the wastewater, fine particles in the wastewater jointly form a three-phase system. When fine particles are adhered to the bubbles, the bubble interface is changed, in order to improve the hydrophilicity of the particles in the wastewater, a sufficient amount of flotation agent is added into the primary treatment tank through a flotation agent adding hopper, the flotation agent plays a role in promoting foaming, and air in the wastewater can form stable small bubbles so as to be beneficial to air floatation.
3. Waste water flows into the secondary treatment tank through the diversion pipeline, then a flocculating agent is added into the secondary treatment tank through the charging hopper, the driving machine drives the mixing and stirring roller to rotate, so that the flocculating agent and the waste water are mixed, fine particles and natural colloidal particles in the waste water are coagulated into large floccules after mixing, and then the floccules are removed from the water to achieve the purpose of reducing pollutants in the water.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an environment-friendly treatment system for papermaking wastewater according to the present invention;
FIG. 2 is a schematic view of the primary treatment tank of the present invention;
FIG. 3 is a schematic view of a gas injection tube configuration according to the present invention;
FIG. 4 is an enlarged view of part A of the present invention;
FIG. 5 is a schematic view of a disassembled structure of the reflux connection tube and the plug-in sleeve core of the present invention;
FIG. 6 is a schematic diagram of the rear end structure of the primary treatment tank of the present invention.
In the figure: 1. a system pedestal; 2. a grading step; 3. a power distribution cabinet; 4. a primary treatment tank; 5. a secondary treatment tank; 6. a suspension plate; 7. a compressed air machine; 8. a gas injection pipe; 9. butting the frame; 10. a primary screen for wastewater; 11. a top frame plate; 12. a wastewater connecting pipe; 13. adding a flotation agent into a hopper; 14. a diversion pipeline; 15. a water discharge pipeline; 16. a valve; 17. a driver; 18. mixing and stirring rollers; 19. a load bearing support; 20. a hopper; 21. an inscribed notch; 22. a pipe penetration hole channel; 23. a pipe joint; 24. exhaust micropores; 25. a liquid injection pipe; 26. a liquid level ruler; 27. a third-stage detection pool; 28. a reflux connection pipe; 29. an instrument holder; 30. a water quality detector; 31. inserting a test tube plate; 32. a water quality sampling test tube; 33. a flange plate; 34. mounting a bracket; 35. inserting the sleeve core; 36. corresponding connection holes; 37. an activated carbon lining filter screen; 38. an end face groove; 39. a liquid level observation window; 40. and (4) marking the liquid level.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an embodiment of the present invention is shown: the environment-friendly papermaking wastewater treatment system comprises a system pedestal 1, a grading step 2 is arranged at the upper end of the system pedestal 1, a primary treatment tank 4 and a secondary treatment tank 5 are arranged at the upper end of the grading step 2, a suspension plate 6 is arranged on the front end surface of the primary treatment tank 4, a compressed air machine 7 is arranged at the upper end of the suspension plate 6, an air outlet of the compressed air machine 7 is provided with an air injection pipe 8, the top of the primary treatment tank 4 is provided with a butting frame 9, a primary wastewater screen 10 is arranged inside the butting frame 9, one side of the butting frame 9 is provided with a flotation agent charging hopper 13, the lower end of the flotation agent charging hopper 13 is provided with an injection pipe 25, a mixing and stirring roller 18 is arranged inside the secondary treatment tank 5, the outer wall of the secondary treatment tank 5 is provided with a driving machine 17, the driving machine 17 is in transmission connection with the mixing and stirring roller 18 through a shaft coupling mechanism, and a diversion pipeline 14 is arranged between the primary treatment tank 4 and the secondary treatment tank 5, a water outlet of the secondary treatment tank 5 is provided with a water outlet pipe 15, one side of the water outlet pipe 15 is provided with a tertiary detection tank 27, the upper end of the tertiary detection tank 27 is provided with an instrument bracket 29, the upper end of the instrument bracket 29 is provided with a water quality detector 30, the outer wall of one side of the instrument bracket 29 is provided with a test tube inserting plate 31, the upper end of the test tube inserting plate 31 is provided with a water quality sampling test tube 32, and the outer wall of one side of the tertiary detection tank 27 is provided with a backflow connecting tube 28.
Further, the inside in primary treatment pond 4 is provided with poling pore 22, poling pore 22 sets up with 4 integrated into one piece in primary treatment pond, gas injection pipe 8 runs through and extends to the inside in primary treatment pond 4, the extension of gas injection pipe 8 is served and is installed pipe joint 23, pipe joint 23 and 8 threaded seal installations of gas injection pipe, the inside of pipe joint 23 is provided with exhaust micropore 24, exhaust micropore 24 sets up with pipe joint 23 integrated into one piece, the poling pore 22 of the inside setting in primary treatment pond 4 plays the effect that is convenient for gas injection pipe 8 to insert 4 insides in primary treatment pond.
Further, be provided with terminal surface recess 38 on the rear end face of primary treatment pond 4, terminal surface recess 38 sets up with 4 integrated into one piece in primary treatment pond, the inside of terminal surface recess 38 is provided with liquid level observation window 39, liquid level observation window 39 is connected with 4 mechanical seal in primary treatment pond, be provided with liquid level marking 40 on the outer wall of liquid level observation window 39, liquid level marking 40 and liquid level observation window 39's outer wall viscose fixed connection, the terminal surface recess 38 that sets up on the rear end face of primary treatment pond 4 plays the effect that bears liquid level observation window 39.
Further, the top of top grafting frame 9 is provided with top frame plate 11, and top frame plate 11 and top grafting frame 9 integrated into one piece set up, and the upper end of top frame plate 11 is provided with waste water connecting pipe 12, and inscription notch 21 is installed to the upper end in primary treatment pond 4, and the top grafting frame 9 is installed in the inside of inscription notch 21, and the top frame plate 11 that the top of top grafting frame 9 set up plays the effect of bearing waste water connecting pipe 12.
Further, a liquid level ruler 26 is arranged on the outer wall of the flotation agent charging hopper 13, the liquid level ruler 26 and the flotation agent charging hopper 13 are integrally formed, the flotation agent charging hopper 13 is communicated with the inside of the primary treatment tank 4 through a liquid injection pipe 25, and the liquid level ruler 26 arranged on the outer wall of the flotation agent charging hopper 13 plays a role in measuring the flotation agent.
Further, the top of secondary treatment pond 5 is provided with bears support 19, bears support 19 and secondary treatment pond 5 integrated into one piece setting, bears the upper end of support 19 and is provided with loading hopper 20, and the support 19 that bears that the top of secondary treatment pond 5 set up plays the effect of bearing loading hopper 20.
Furthermore, the diversion pipeline 14, the drainage pipeline 15 and the liquid injection pipe 25 are all provided with valves 16, the valves 16 are in mechanical sealing connection with the diversion pipeline 14, the drainage pipeline 15 and the liquid injection pipe 25, and the valves 16 arranged on the diversion pipeline 14, the drainage pipeline 15 and the liquid injection pipe 25 play a role in controlling the opening and closing of the diversion pipeline 14, the drainage pipeline 15 and the liquid injection pipe 25.
Further, be provided with switch board 3 on the preceding terminal surface of hierarchical halfpace 2, the output of switch board 3 passes through power cord and compressed air machine 7, driving machine 17 and water quality testing appearance 30's input electric connection, and switch board 3 that sets up on the preceding terminal surface of hierarchical halfpace 2 plays the effect for compressed air machine 7, driving machine 17 and water quality testing appearance 30 power supply.
Further, a flange connecting disc 33 is arranged on the outer wall of the backflow connecting pipe 28, the flange connecting disc 33 and the backflow connecting pipe 28 are integrally formed, an installation bracket 34 is arranged inside the backflow connecting pipe 28, the installation bracket 34 and the backflow connecting pipe 28 are integrally formed, an insertion sleeve core 35 is arranged inside the installation bracket 34, and the flange connecting disc 33 arranged on the outer wall of the backflow connecting pipe 28 plays a role in facilitating the connection of the backflow connecting pipe 28 and the water backflow pipe.
Further, be provided with on the hookup location of grafting cover core 35 and installation bracket 34 and correspond the hole 36, correspond the hole 36 respectively with grafting cover core 35 and installation bracket 34 integrated into one piece setting, the inside of grafting cover core 35 is provided with active carbon inside lining filter screen 37, the corresponding hole 36 that sets up on the hookup location of grafting cover core 35 and installation bracket 34 plays the effect of being convenient for to peg graft cover core 35 and installation bracket 34 and be connected.
The working principle is as follows: corrugated paper papermaking waste water environmental protection processing system divide into primary treatment pond 4, secondary treatment pond 5 and tertiary test tank 27, corrugated paper papermaking waste water's duct connection is to waste water connecting pipe 12 on, corrugated paper papermaking waste water gets into the inside of primary treatment pond 4 after filtering through the elementary edulcoration of waste water primary filter screen 10 earlier, waste water gets into primary treatment pond 4 back, let in the air through compressed air machine 7 and gas injection pipe 8 in to waste water, the air is discharged into in the waste water through exhaust micropore 24, when the air lets in waste water, the tiny particulate matter in the waste water constitutes three-phase system jointly. When fine particles are adhered to bubbles, the interface of the bubbles is changed, in order to improve the hydrophilicity of the particles in the wastewater, a sufficient amount of flotation agent is added into the primary treatment tank 4 through a flotation agent adding hopper 13, the flotation agent plays a role of promoting foaming, air in the wastewater can form stable small bubbles to facilitate air flotation, paper pulp fibers in the wastewater float on the surface of the primary treatment tank 4 after air flotation, then the butting frame 9 is taken down from the inscribed notch 21, so that the floating paper pulp fibers are convenient to recycle, in the second step, a valve 16 is opened, the wastewater flows into the secondary treatment tank 5 through a flow guide pipeline 14, then a flocculating agent is added into the secondary treatment tank 5 through a hopper 20, a driving machine 17 drives a mixing stirring roller 18 to rotate, so that the flocculating agent and the wastewater are mixed, and fine particles and natural colloidal particles in the wastewater are coagulated into large floccules after mixing, therefore, the wastewater is removed from the water, in the third step, the valve 16 is opened, the water is drained into the three-stage detection tank 27 through the drainage pipeline 15, the wastewater subjected to the two-time treatment is sampled through the water quality sampling test tube 32 and is placed into the water quality detector 30 for detection, if the wastewater is qualified, the water flows back to the production place for corrugated paper making through the backflow connection tube 28 for reuse, if the wastewater is unqualified, the wastewater is injected back into the primary treatment tank 4 for another round of treatment, until the water quality detection is qualified, after the whole system is treated, the corrugated paper making wastewater is zero-arranged, and the utilization rate of the corrugated paper making wastewater is improved. The purpose of environmental protection wastewater treatment is achieved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Papermaking waste water environmental protection processing system, including system pedestal (1), its characterized in that: the system comprises a system pedestal (1), a grading step platform (2) is arranged at the upper end of the system pedestal (1), a primary treatment pool (4) and a secondary treatment pool (5) are arranged at the upper end of the grading step platform (2), a suspension plate (6) is arranged on the front end face of the primary treatment pool (4), a compressed air machine (7) is arranged at the upper end of the suspension plate (6), an air injection pipe (8) is arranged at the air outlet of the compressed air machine (7), a butting frame (9) is installed at the top of the primary treatment pool (4), a primary wastewater screen (10) is arranged inside the butting frame (9), a flotation agent adding hopper (13) is arranged on one side of the butting frame (9), an injection pipe (25) is arranged at the lower end of the flotation agent adding hopper (13), a mixing and stirring roller (18) is arranged inside the secondary treatment pool (5), a driving machine (17) is arranged on the outer wall of the secondary treatment pool (5), driving machine (17) are stirred roller (18) transmission through coupling mechanism and mixture and are connected, be provided with between primary treatment pond (4) and secondary treatment pond (5) diversion pipeline (14), be provided with drainage pipe (15) on the delivery port of secondary treatment pond (5), one side of drainage pipe (15) is provided with tertiary detection pond (27), the upper end of tertiary detection pond (27) is provided with instrument bracket (29), water quality testing appearance (30) are installed to the upper end of instrument bracket (29), be provided with on one side outer wall of instrument bracket (29) test tube picture peg (31), the upper end of test tube picture peg (31) is provided with quality of water sample test tube (32), be provided with backward flow takeover (28) on one side outer wall of tertiary detection pond (27).
2. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: the inside in primary treatment pond (4) is provided with poling pore (22), and poling pore (22) sets up with primary treatment pond (4) integrated into one piece, and gas injection pipe (8) run through and extend to the inside in primary treatment pond (4), the extension of gas injection pipe (8) is served and is installed pipe joint (23), pipe joint (23) and gas injection pipe (8) thread seal installation, the inside of pipe joint (23) is provided with exhaust micropore (24), and exhaust micropore (24) set up with pipe joint (23) integrated into one piece.
3. The papermaking wastewater environment-friendly treatment system according to claim 2, characterized in that: be provided with terminal surface recess (38) on the rear end face of primary treatment pond (4), terminal surface recess (38) set up with primary treatment pond (4) integrated into one piece, the inside of terminal surface recess (38) is provided with liquid level observation window (39), and liquid level observation window (39) are connected with primary treatment pond (4) mechanical seal, be provided with liquid level marking (40) on the outer wall of liquid level observation window (39), the outer wall viscose fixed connection of liquid level marking (40) and liquid level observation window (39).
4. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: the top that connects frame (9) is provided with top frame board (11), top frame board (11) and top connect frame (9) integrated into one piece to set up, the upper end of top frame board (11) is provided with waste water connecting pipe (12), inscription notch (21) are installed to the upper end of primary treatment pond (4), and the inside at inscription notch (21) is installed in top connection frame (9).
5. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: a liquid level ruler (26) is arranged on the outer wall of the flotation agent charging hopper (13), the liquid level ruler (26) and the flotation agent charging hopper (13) are integrally formed, and the flotation agent charging hopper (13) is communicated with the interior of the primary treatment tank (4) through a liquid injection pipe (25).
6. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: the top of the secondary treatment tank (5) is provided with a bearing support (19), the bearing support (19) and the secondary treatment tank (5) are integrally formed, and the upper end of the bearing support (19) is provided with a feeding hopper (20).
7. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: and valves (16) are arranged on the diversion pipeline (14), the drainage pipeline (15) and the liquid injection pipe (25), and the valves (16) are in mechanical sealing connection with the diversion pipeline (14), the drainage pipeline (15) and the liquid injection pipe (25).
8. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: the power distribution cabinet is characterized in that a power distribution cabinet (3) is arranged on the front end face of the grading step platform (2), and the output end of the power distribution cabinet (3) is electrically connected with the input ends of the compressed air machine (7), the driving machine (17) and the water quality detector (30) through power lines.
9. The papermaking wastewater environment-friendly treatment system according to claim 1, characterized in that: the backflow connecting pipe is characterized in that a flange connecting disc (33) is arranged on the outer wall of the backflow connecting pipe (28), the flange connecting disc (33) and the backflow connecting pipe (28) are integrally formed, an installation supporting groove (34) is arranged inside the backflow connecting pipe (28), the installation supporting groove (34) and the backflow connecting pipe (28) are integrally formed, and an insertion sleeve core (35) is arranged inside the installation supporting groove (34).
10. The papermaking wastewater environment-friendly treatment system according to claim 9, characterized in that: the connection position of the plug-in sleeve core (35) and the mounting bracket (34) is provided with a corresponding connection hole (36), the corresponding connection hole (36) is respectively arranged with the plug-in sleeve core (35) and the mounting bracket (34) in an integrated manner, and an activated carbon lining filter screen (37) is arranged inside the plug-in sleeve core (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607666.XA CN114291928A (en) | 2021-12-27 | 2021-12-27 | Papermaking waste water environmental protection processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607666.XA CN114291928A (en) | 2021-12-27 | 2021-12-27 | Papermaking waste water environmental protection processing system |
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| Publication Number | Publication Date |
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| CN114291928A true CN114291928A (en) | 2022-04-08 |
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| CN202111607666.XA Pending CN114291928A (en) | 2021-12-27 | 2021-12-27 | Papermaking waste water environmental protection processing system |
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|---|---|---|---|---|
| CN104436946A (en) * | 2014-10-27 | 2015-03-25 | 盐城工学院 | Environment-friendly processing system for coating workshop |
| CN106630305A (en) * | 2017-02-27 | 2017-05-10 | 陕西榆林协创资源再生有限公司 | System and method for treating sewage after cleaning of HDPE (high-density polyethylene) recycling material |
| CN207567016U (en) * | 2017-11-03 | 2018-07-03 | 广州恒能环保科技有限公司 | A kind of water treatment facilities of high alkalinity recirculated water |
| CN210457868U (en) * | 2019-08-19 | 2020-05-05 | 泉诏环境科技(厦门)有限公司 | Waste water treatment device of environmental protection |
| CN211688511U (en) * | 2019-11-01 | 2020-10-16 | 湖州聚业孵化器有限公司 | Sewage purification device |
| CN112592002A (en) * | 2020-12-28 | 2021-04-02 | 安徽天孚氟材料有限公司 | Coal tar wastewater treatment process |
-
2021
- 2021-12-27 CN CN202111607666.XA patent/CN114291928A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104436946A (en) * | 2014-10-27 | 2015-03-25 | 盐城工学院 | Environment-friendly processing system for coating workshop |
| CN106630305A (en) * | 2017-02-27 | 2017-05-10 | 陕西榆林协创资源再生有限公司 | System and method for treating sewage after cleaning of HDPE (high-density polyethylene) recycling material |
| CN207567016U (en) * | 2017-11-03 | 2018-07-03 | 广州恒能环保科技有限公司 | A kind of water treatment facilities of high alkalinity recirculated water |
| CN210457868U (en) * | 2019-08-19 | 2020-05-05 | 泉诏环境科技(厦门)有限公司 | Waste water treatment device of environmental protection |
| CN211688511U (en) * | 2019-11-01 | 2020-10-16 | 湖州聚业孵化器有限公司 | Sewage purification device |
| CN112592002A (en) * | 2020-12-28 | 2021-04-02 | 安徽天孚氟材料有限公司 | Coal tar wastewater treatment process |
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Application publication date: 20220408 |