CN111675451A - Sewage treatment device and method based on ecological environment restoration - Google Patents
Sewage treatment device and method based on ecological environment restoration Download PDFInfo
- Publication number
- CN111675451A CN111675451A CN202010720691.8A CN202010720691A CN111675451A CN 111675451 A CN111675451 A CN 111675451A CN 202010720691 A CN202010720691 A CN 202010720691A CN 111675451 A CN111675451 A CN 111675451A
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- Prior art keywords
- filter
- sewage
- earthworm
- sewage treatment
- sedimentation
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- 239000010865 sewage Substances 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 241000361919 Metaphire sieboldi Species 0.000 claims abstract description 41
- 238000004062 sedimentation Methods 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 241001233061 earthworms Species 0.000 claims abstract description 12
- 239000006004 Quartz sand Substances 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 8
- 230000029087 digestion Effects 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 14
- 230000000630 rising effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000003672 processing method Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 241000220317 Rosa Species 0.000 description 8
- 239000003344 environmental pollutant Substances 0.000 description 8
- 231100000719 pollutant Toxicity 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000005442 atmospheric precipitation Substances 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007787 solid 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
-
- 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
- C02F1/28—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
- C02F2303/14—Maintenance of water treatment installations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
Abstract
The invention discloses a sewage treatment device and a sewage treatment method based on ecological environment restoration, which comprise an earthworm filter tank (1), wherein the earthworm filter tank (1) is connected with a sedimentation filter tank (8) through a connecting pipe (4); the filter box (12) is connected with the water outlet of the sedimentation filter (8) through a water inlet pipe (11); the processing method comprises the following steps: sewage is introduced into the earthworm filter (1) through the sewage inlet hopper (2), is treated by utilizing the digestion and decomposition action of earthworms, flows into the sedimentation filter (8) through the connecting pipe (4), and enters the filter box (12) through the water inlet pipe (11); the sewage after precipitation and purification is filtered and purified by a filter cylinder (15), and the filtered water is absorbed and filtered by an activated carbon layer (16) and a quartz sand layer and then is discharged by a drainage valve (17); the problems that the water treatment device in the prior art is unstable in operation, inconvenient to maintain and manage, and incapable of stabilizing the sewage treatment effect are solved.
Description
Technical Field
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment device and a sewage treatment method based on ecological environment restoration.
Background
Water is an important constituent substance in the nature, is the most active element in the environment, constantly moves and actively participates in a series of physical, chemical and biological processes in the natural environment, the essential difference of water resources and other solid resources is that the water resources have fluidity, the water resources are dynamic resources formed in water circulation, the water circulation system has the cyclicity, the water circulation system is a huge natural water resource system, after the water resources are exploited and utilized, the water resources can be supplemented by atmospheric precipitation, the water resources can be continuously supplied to human beings for utilization and meet the requirements of ecological balance in the continuous cycle of exploitation, replenishment, consumption and recovery, in the continuous consumption and replenishment process, the water resources have the characteristic of inexhaustibility in a certain sense, the recoverability is strong, the storage amount of global fresh water resources is very limited actually, and with the social development, the sewage is proposed to be treated, the cyclic utilization of water resources is realized; however, most of the sewage treatment methods in the prior art are common single ecological treatment sewage treatment methods, and when the method is applied to specific projects, the problems of unstable operation, inconvenient maintenance and management, unstable sewage treatment effect and the like exist, and the use of the method can not effectively meet the requirements of people.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the sewage treatment device and the sewage treatment method based on ecological environment restoration are provided, and the technical problems that in the prior art, most of water treatment is a common single ecological treatment sewage treatment method, when the sewage treatment device is applied to specific projects, the operation is unstable, the maintenance and management are inconvenient, the sewage treatment effect cannot be stable, the use of the sewage treatment device cannot effectively meet the requirements of people, and the like are solved.
The technical scheme of the invention is as follows:
a sewage treatment device based on ecological environment restoration comprises an earthworm filter tank, wherein a sewage inlet hopper is arranged at the top end of the earthworm filter tank; the earthworm filter is connected with the sedimentation filter through a connecting pipe; the filter box is connected with the water outlet of the sedimentation filter tank through a water inlet pipe.
The sedimentation filter tank and the filter box are fixed on the support base; the earthworm filter is fixed on the top surface of the sedimentation filter through a connecting seat.
A first filter screen is fixed below the sewage inlet hopper in the earthworm filter tank; and a second filter screen is arranged at the interface of the connecting pipe in the earthworm filter.
The connecting pipe is provided with an electromagnetic valve, and the port of the connecting pipe connected with the earthworm filter is positioned at the lower part of the side surface of the earthworm filter; the connecting pipe is connected with the interface of the sedimentation filter and is positioned at the upper part of the side surface of the sedimentation filter.
The two ends of the water inlet pipe are respectively positioned at the upper parts of the sides of the sedimentation filter tank and the filter box.
And the bottom parts of the earthworm filter tank, the sedimentation filter tank and the filter box are all provided with a blow-off pipe, and a blow-off valve is arranged on the blow-off pipe.
A filter cartridge is fixedly arranged in the filter box, and an active carbon layer is arranged on the outer surface of the filter cartridge; a quartz sand layer is arranged on the outer surface of the activated carbon layer; the water outlet pipe of the filter box is positioned at the lower part of the side surface; the water outlet pipe is provided with a water discharge valve.
A cleaning brush holder is arranged in the filter cylinder; one end of the cleaning brush frame is fixedly connected to a rotating shaft of the driving motor through a coupling; the driving motor is fixed at the top end of the filter cylinder; the cleaning brush frame is provided with brush hair which is contacted with the inner wall of the filter cartridge.
One side of the upper top plate of the earthworm filter tank and the sedimentation filter tank is connected with the side edge through a hinge respectively; the front side plate or the rear side plate of the filter box is connected with the filter box through a screw; the joint of the front side plate or the rear side plate of the filter box and the filter box is provided with a waterproof strip.
A treatment method of a sewage treatment device based on ecological environment restoration comprises the following steps:
and 3, filtering and purifying the precipitated and purified sewage through a filter cartridge, adsorbing and filtering the filtered water through an activated carbon layer and a quartz sand layer, and discharging the filtered water through a drainage valve.
When the filter cartridge filters and purifies, driving motor drives the cleaning brush frame to rotate.
The invention has the beneficial effects that:
the invention achieves the purpose of treating sewage by using the digestion decomposition function and the filtering function of earthworms through the arranged earthworm filter tank, the sedimentation filter tank, the filter box, the cleaning brush holder and the like, achieves the process of decomposing pollutants in the sewage by using the digestion decomposition function and the filtering function of the earthworms, namely, the earthworms eat the pollutants and react with bacteria in vivo to remove the pollutants, the bacteria of earthworm excrement increases the quantity of organic matters after entering the environment to kill the microorganisms to achieve the effect of treating the pollutants, then the sewage treated by the earthworms is further filtered after being precipitated and filtered by the sedimentation filter tank, and the sewage is discharged into the filter box to be treated again along with the rising of a water level line, and the filtered water is adsorbed and filtered by the active carbon layer and the quartz sand layer and is discharged by controlling the drainage valve, the whole sewage treatment process is simple to operate, low in cost, good in sewage treatment effect and convenient to popularize and use; the method solves the technical problems that the prior art is a common single ecological treatment sewage treatment method for water treatment, has various problems of unstable operation, inconvenient maintenance and management, unstable sewage treatment effect and the like when being applied to specific projects, and can not effectively meet the requirements of people when being used.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
in the figure: 1. an earthworm filter; 2. a sewage inlet hopper; 3. a first filter screen; 4. a connecting pipe; 5. a second filter screen; 6. an electromagnetic valve; 7. a connecting seat; 8. a sedimentation filter; 9. a blow-off pipe; 10. a support base; 11. a water inlet pipe; 12. a filter box; 13. a drive motor; 14. a cleaning brush holder; 15. a filter cartridge; 16. an activated carbon layer; 17. a drain valve; 18. a sewage draining valve.
Detailed Description
Referring to fig. 1-2, the present invention provides the following technical solutions: a sewage treatment device based on ecological environment restoration comprises an earthworm filter 1, wherein the inner side of the top end of the earthworm filter 1 is communicated with a sewage inlet hopper 2, a first filter screen 3 is fixedly connected below the sewage inlet hopper 2 on the inner side of the earthworm filter 1, the lower part of the left side of the earthworm filter 1 is communicated with a connecting pipe 4, an electromagnetic valve 6 is arranged on the connecting pipe 4, the electromagnetic valve 6 realizes controllability of the device during operation, and accurate control of water flow speed and flow can be realized through the electromagnetic valve; the bottom of the earthworm filter 1 is fixedly connected to the top end of the sedimentation filter 8 through a connecting seat 7, the other end of the connecting pipe 4 is communicated with the upper part of the left side surface of the sedimentation filter 8, and the bottom end surface of the sedimentation filter 8 is fixedly connected to a supporting base 10; the supporting seat 10 is fixed on the ground through foundation bolts; the inboard intercommunication of the right-hand member of sedimentation filter 8 has inlet tube 11, support base 10's top right side fixedly connected with rose box 12, and inlet tube 11's the other end communicates in rose box 12, the top fixedly connected with driving motor 13 of rose box 12, the inboard fixedly connected with cartridge filter 15 of rose box 12, the right side sub-unit connection of rose box 12 has the outlet pipe, outlet pipe fixedly connected with drain valve 17, sedimentation filter 8, 1 bottoms in rose box 12 and the earthworm filter are provided with blow off pipe 9, be provided with drain valve 18 on the blow off pipe 9.
One side of the upper top plate of the earthworm filter 1 and one side of the upper top plate of the sedimentation filter 8 are respectively connected with the side edges through hinges; the purpose is to open the upper top plate, clean and replace the devices in the box body and facilitate maintenance.
The front side plate or the rear side plate of the filter box 12 is connected with the filter box 12 through a screw; the joint of the front side plate or the rear side plate of the filter box 12 and the filter box 12 is provided with a waterproof strip.
Its purpose can conveniently be dismantled and the installation to rose box 12 preceding curb plate or posterior lateral plate to wash inside the rose box 12 and change the maintenance to the device, the setting of waterproof strip is in order to prevent device in water treatment process, and water leaks from the joint gap.
The earthworm filter 1 used in the embodiment achieves the purpose of sewage treatment by utilizing the digestion, decomposition and filtration of earthworms, achieves the process of decomposing pollutants in sewage by utilizing the characteristics of digestion, decomposition and up-and-down drilling of earthworms, namely, earthworms eat the pollutants and react with bacteria in the bodies to remove the pollutants, the bacteria of earthworm excrement enters the environment to increase the quantity of organic matters to kill microorganisms to achieve the effect of pollutant treatment, then the sewage treated by the earthworms is further filtered after being precipitated and filtered by the precipitation filter 8, the sewage is discharged into the filter box 12 to be treated again along with the rising of a water level line, and in the treatment process, the filter cartridge 15 can be cleaned by driving the cleaning brush holder 14 driven by the driving motor 13, the blockage of the filter cartridge 15 is reduced, the influence on the drainage effect is avoided, and the filtered water is adsorbed and filtered by the active carbon layer 16 and the quartz sand layer, and then the drainage valve 17 is controlled to discharge, so that the whole sewage treatment process is simple to operate, low in cost, good in sewage treatment effect and convenient to popularize and use.
The inner side of the left end face of the earthworm filter 1 is fixedly connected with a second filter screen 5, and a connecting pipe 4 is attached to one side of the second filter screen 5; when the connecting pipe 4 is used for drainage, sundries and the like in the sewage can be reduced to enter the connecting pipe 4 through the action of the second filter screen 5, so that the pipeline is prevented from being blocked.
Specifically, the inner side of the rear end face of the earthworm filter 1 and the inner side of the rear end face of the sedimentation filter 8 are both communicated with a drain pipe 9, and one side of each drain pipe 9 is provided with a control valve; the sewage discharge pipe 9 is favorable for discharging sewage, and the subsequent sewage treatment work is avoided.
Specifically, the inner side of the filter box 12 is rotatably connected with a cleaning brush holder 14 through a rotating shaft, one side of the cleaning brush holder 14 is fixedly connected with a main shaft of a driving motor 13 through a coupling, one side of the cleaning brush holder 14 is provided with bristles, and the inner side of the filter cylinder 15 is in contact with the bristles; the cartridge filter 15 can be cleaned by the cleaning brush holder 14, and the effect of water drainage caused by the blockage of the cartridge filter 15 due to dirt can be avoided.
Specifically, an activated carbon layer 16 is fixedly connected to the inner side of the filter box 12, the activated carbon layer 16 is located on the outer side of the filter cartridge 15, and a quartz sand layer is further arranged on the outer side of the activated carbon layer 16; is beneficial to adsorbing and removing peculiar smell of sewage and preventing secondary pollution to the environment.
The working principle and the using process of the invention are as follows: when the sewage treatment device based on ecological environment restoration is used, sewage is introduced into the earthworm filter tank 1 through the sewage inlet hopper 2, the sewage is firstly filtered by the first filter screen 3, then the sewage is preliminarily treated by the digestion and decomposition action of earthworms, the treated sewage is discharged into the precipitation filter tank 8 through the connecting pipe 4 after being filtered by the second filter screen 5, the sewage is precipitated and purified by the precipitation filter tank 8 along with the rising of a water level line and enters the filter tank 12 through the water inlet pipe 11, at the moment, the sewage is filtered and purified again by the filter tank 15, the filtered water is adsorbed and filtered by the active carbon layer 16 and the quartz sand layer, the drainage valve 17 is controlled to discharge, when the filter tank 12 works, the cleaning brush frame 14 can be driven by the driving motor 13 to clean the filter tank 15, the blockage of the filter tank 15 is reduced, the drainage effect is avoided being influenced, in addition, the sewage in the earthworm filter tank 1 and the precipitation filter tank 8 can be respectively discharged through the sewage discharge, the waste in the filter tank 12 is discharged by the waste valve 18.
Claims (10)
1. The utility model provides a sewage treatment plant based on ecological environment is restoreed, it includes earthworm filtering pond (1), and earthworm filtering pond (1) top is provided with into dirty fill (2), its characterized in that: the earthworm filter (1) is connected with the sedimentation filter (8) through a connecting pipe (4); the filter box (12) is connected with the water outlet of the sedimentation filter (8) through a water inlet pipe (11).
2. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: the sedimentation filter (8) and the filter box (12) are fixed on the support base (10); the earthworm filter (1) is fixed on the top surface of the sedimentation filter (8) through a connecting seat.
3. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: a first filter screen (3) is fixed below the sewage inlet hopper (2) in the earthworm filter tank (1); a second filter screen (5) is arranged at the interface of the connecting pipe in the earthworm filter (1).
4. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: the electromagnetic valve (6) is arranged on the connecting pipe (4), and the interface of the connecting pipe (4) connected with the earthworm filter tank (1) is positioned at the lower part of the side surface of the earthworm filter tank (1); the connector of the connecting pipe (4) connected with the sedimentation filter (8) is positioned at the upper part of the side surface of the sedimentation filter (8).
5. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: two ends of the water inlet pipe (11) are respectively positioned at the upper parts of the side surfaces of the sedimentation filter tank (8) and the filter box (12).
6. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: and blow-off pipes (9) are arranged at the bottoms of the earthworm filter tank (1), the sedimentation filter tank (8) and the filter box (12), and blow-off valves (18) are arranged on the blow-off pipes (9).
7. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: a filter cylinder (15) is fixedly arranged in the filter box (12), and an activated carbon layer (16) is arranged on the outer surface of the filter cylinder (15); a quartz sand layer is arranged on the outer surface of the activated carbon layer (16); the water outlet pipe of the filter box (12) is positioned at the lower part of the side surface; a water discharge valve (17) is arranged on the water outlet pipe.
8. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: a cleaning brush holder (14) is arranged in the filter cylinder (15); one end of the cleaning brush holder (14) is fixedly connected to a rotating shaft of the driving motor (13) through a coupling; the driving motor (13) is fixed at the top end of the filter cylinder (15); the cleaning brush holder (14) is provided with brush hair which is contacted with the inner wall of the filter cylinder (15).
9. The sewage treatment device based on ecological environment restoration according to claim 1, wherein: one side of the upper top plate of the earthworm filter (1) and the sedimentation filter (8) is respectively connected with the side edge through a hinge; the front side plate or the rear side plate of the filter box (12) is connected with the filter box (12) through a screw; the joint of the front side plate or the rear side plate of the filter box (12) and the filter box (12) is provided with a waterproof strip.
10. The method for treating sewage treatment plant based on ecological environment restoration as claimed in claim 1, comprising:
step 1, introducing sewage into an earthworm filter tank (1) through a sewage inlet hopper (2), filtering by using a first filter screen (3), treating the sewage by using the digestion and decomposition action of earthworms, filtering the treated sewage by using a second filter screen (5), and then flowing into a sedimentation filter tank (8) through a connecting pipe (4);
step 2, precipitating and purifying the water entering the precipitation filter (8), and along with the rising of a water level line, feeding the precipitated and purified sewage into a filter box (12) through a water inlet pipe (11);
step 3, filtering and purifying the precipitated and purified sewage through a filter cartridge (15), adsorbing and filtering the filtered water through an activated carbon layer (16) and a quartz sand layer, and discharging the filtered water through a drainage valve (17); when the filter cartridge (15) is used for filtering and purifying, the driving motor (13) drives the cleaning brush holder (14) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720691.8A CN111675451A (en) | 2020-07-24 | 2020-07-24 | Sewage treatment device and method based on ecological environment restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010720691.8A CN111675451A (en) | 2020-07-24 | 2020-07-24 | Sewage treatment device and method based on ecological environment restoration |
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| Publication Number | Publication Date |
|---|---|
| CN111675451A true CN111675451A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010720691.8A Pending CN111675451A (en) | 2020-07-24 | 2020-07-24 | Sewage treatment device and method based on ecological environment restoration |
Country Status (1)
| Country | Link |
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| CN (1) | CN111675451A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391855A (en) * | 2008-10-20 | 2009-03-25 | 同济大学 | Method for treating rural disperse sewage by using high load vermibiofilter |
| CN203474535U (en) * | 2013-08-06 | 2014-03-12 | 天津鑫泽众生物技术有限公司 | Earthworm biofiltration pool |
| CN210945273U (en) * | 2019-11-25 | 2020-07-07 | 山东巨瀚生物科技有限公司 | Waste water treatment device is used in chlorinated ether ketone production |
| CN212504489U (en) * | 2020-07-24 | 2021-02-09 | 贵州师范大学 | Sewage treatment plant based on ecological environment is restoreed |
-
2020
- 2020-07-24 CN CN202010720691.8A patent/CN111675451A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391855A (en) * | 2008-10-20 | 2009-03-25 | 同济大学 | Method for treating rural disperse sewage by using high load vermibiofilter |
| CN203474535U (en) * | 2013-08-06 | 2014-03-12 | 天津鑫泽众生物技术有限公司 | Earthworm biofiltration pool |
| CN210945273U (en) * | 2019-11-25 | 2020-07-07 | 山东巨瀚生物科技有限公司 | Waste water treatment device is used in chlorinated ether ketone production |
| CN212504489U (en) * | 2020-07-24 | 2021-02-09 | 贵州师范大学 | Sewage treatment plant based on ecological environment is restoreed |
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