CN212246528U - Micro-current high biochemical activity activation device for landfill leachate - Google Patents
Micro-current high biochemical activity activation device for landfill leachate Download PDFInfo
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- CN212246528U CN212246528U CN202020370115.0U CN202020370115U CN212246528U CN 212246528 U CN212246528 U CN 212246528U CN 202020370115 U CN202020370115 U CN 202020370115U CN 212246528 U CN212246528 U CN 212246528U
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- 239000000149 chemical water pollutant Substances 0.000 title claims abstract description 17
- 230000004913 activation Effects 0.000 title claims abstract description 13
- 230000000694 effects Effects 0.000 title claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 59
- 238000005189 flocculation Methods 0.000 claims abstract description 43
- 230000016615 flocculation Effects 0.000 claims abstract description 43
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 230000003647 oxidation Effects 0.000 claims abstract description 30
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 30
- 239000002245 particle Substances 0.000 claims abstract description 7
- 230000003311 flocculating effect Effects 0.000 claims abstract description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000008394 flocculating agent Substances 0.000 abstract description 2
- 238000005325 percolation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 239000012528 membrane Substances 0.000 description 5
- 238000001728 nano-filtration Methods 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000001223 reverse osmosis Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000003181 biological factor Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model relates to a landfill leachate trickle high biochemical activity activation device belongs to refuse treatment equipment technical field. The utility model provides a slow problem of biochemical treatment efficiency in the current landfill leachate treatment process. The utility model comprises a flocculation treatment mechanism for flocculating suspended particles in the percolate; and an oxidation treatment mechanism which is beneficial to Fenton reaction to carry out percolation liquid oxidation treatment; the front end of flocculation treatment mechanism is equipped with filtration liquid feed liquor pipe, filtration liquid feed liquor pipe and flocculation retort intercommunication, the top of flocculation retort is through the pipe connection flocculating agent dosing tank, the flocculation retort discharge end passes through the pipe connection solid-liquid separator.
Description
Technical Field
The utility model relates to a landfill leachate trickle high biochemical activity activation device belongs to refuse treatment equipment technical field.
Background
The disposal of landfill leachate has been a very difficult problem in landfill design, operation and management. Leachate is the product of the gravity flow of liquids in landfills and is primarily derived from precipitation and the inherent moisture content of the refuse itself. The properties of the percolate vary over a considerable range, since many factors in the flow of the liquid may influence the properties of the percolate, including physical, chemical and biological factors. The leachate of the municipal refuse landfill is high-concentration organic wastewater with complex components, and if the leachate is directly discharged into the environment without treatment, serious environmental pollution is caused. For the purpose of protecting the environment, it is essential to treat the leachate.
At present, the treatment of the percolate is generally realized by adopting a membrane biochemical reactor (MRB), a Nanofiltration (NF) and a reverse osmosis (R0) system, the pretreatment is usually carried out before the membrane biochemical reactor (MRB), and the BOD in the original percolate5The ratio of/CODcr is sharply reduced, the concentration of ammonia nitrogen is increased, the biochemical toxicity of the water body is increased, the biodegradability is weak, the original pretreatment is generally carried out by adopting a mode of sedimentation in a regulating tank and filtration by a bag filter, but the pretreatment mode is relatively simple, and BOD is treated5The rising of the/CODcr ratio is limited, so that the subsequent treatment by a membrane biochemical reactor (MRB), a Nanofiltration (NF) and a reverse osmosis (R0) system has low efficiency and high maintenance cost, and the parts of the membrane biochemical reactor need to be frequently replaced, thereby influencing the service life of the membrane biochemical reactor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of current landfill leachate carrying out the preliminary treatment before biochemical treatment, provided a landfill leachate high biochemical activity activation equipment of trickle, flocculated and oxidation treatment through flocculation treatment mechanism and oxidation treatment mechanism to it for leachate can be more effective and the pertinence carry out biochemical treatment when entering into follow-up biochemical reaction, improves biochemical equipment's life.
The utility model discloses an adopt following technical scheme to realize:
a landfill leachate microcurrent high biochemical activity activation device comprises:
the flocculation treatment mechanism is used for flocculating suspended particles in the percolate;
and an oxidation treatment mechanism which is beneficial to Fenton reaction to carry out percolation liquid oxidation treatment;
the front end of the flocculation treatment mechanism is provided with a leachate inlet pipe, the leachate inlet pipe is communicated with a flocculation reaction tank, the top of the flocculation reaction tank is connected with a flocculant dosing tank through a pipeline, the discharge end of the flocculation reaction tank is connected with a solid-liquid separator through a pipeline, the solid-liquid separator is communicated with a pH value adjusting tank before oxidation of the oxidation treatment mechanism through a pipeline, the top of the pH value adjusting tank before oxidation is communicated with a sulfuric acid storage tank, the oxidation treatment mechanism further comprises a Fenton high-speed reaction tank communicated with the pH value adjusting tank before oxidation through a pipeline, the top of the Fenton high-speed reaction tank is communicated with a Fenton auxiliary agent storage tank through a pipeline, the discharge end of the Fenton high-speed reaction tank is communicated with a post-reaction pH adjusting tank through a pipeline, the post-reaction pH adjusting tank is communicated with a stacked screw dehydrator through a pipeline, and the top of the pH adjusting, the spiral-stacked dehydrator is communicated with the biochemical treatment device through a pipeline.
Preferably, a flocculation transfer tank is communicated between the flocculation reaction tank and the solid-liquid separator through a pipeline;
the solid-liquid separator adopts a flocculation filter press, and the flocculation filter press is connected with two groups of the solid-liquid separator in parallel.
Preferably, the Fenton high-speed reaction tanks are at least provided with two groups, the top of each group of the Fenton high-speed reaction tanks is provided with a Fenton auxiliary agent storage tank, and the Fenton high-speed reaction tanks in different groups are connected in series.
Preferably, a plurality of groups of Fenton reaction tanks are connected in series and communicated between the Fenton high-speed reaction tank and the post-reaction pH adjusting tank through pipelines.
The utility model has the advantages that:
(1) the utility model discloses a high biochemical activity activation device of landfill leachate trickle is provided with flocculation treatment mechanism, handles the suspended particle in the filtration liquid through flocculation retort to carry out solid-liquid separation through flocculation filter press, handle the suspended particle in the filtration liquid, avoid the suspended particle to the influence of follow-up filtration liquid processing, improve the efficiency of follow-up processing;
(2) landfill leachate trickle high biochemical activity activation device, be provided with oxidation treatment mechanism, handle filtration liquid through fenton's principle, carry out the oxidation back and carry out solid-liquid separation through folding spiral shell hydroextractor with the organic matter in the filtration liquid, carry out follow-up biochemical treatment in transferring to biochemical treatment device with the liquid of separation out, the pressure of alleviating follow-up biochemical treatment that can be fine effectively improves biochemical treatment equipment's life-span.
Drawings
FIG. 1 is a flow chart of the structure of an embodiment of the present invention;
in the figure: 1. a flocculation treatment mechanism; 1-1, a percolate liquid inlet pipe; 1-2, a flocculation reaction tank; 1-3, a flocculating agent dosing box; 1-4, a flocculation transfer tank; 1-5, flocculating filter press; 2. an oxidation treatment mechanism; 2-1, adjusting the pH value in a tank before oxidation; 2-2, a sulfuric acid storage tank; 2-3, a Fenton high-speed reaction tank; 2-4, a Fenton auxiliary agent storage tank; 2-5, a Fenton reaction tank; 2-6, a pH adjusting tank after reaction; 2-7, an alkaline agent dosing box; 2-8, stacking a spiral dehydrator.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in figure 1, the utility model relates to a landfill leachate microcurrent high biochemical activity activation device, include:
a flocculation treatment mechanism 1 for flocculating suspended particles in the percolate;
and an oxidation treatment mechanism 2 which is favorable for Fenton reaction to carry out oxidation treatment of the percolate;
the front end of the flocculation treatment mechanism 1 is provided with a leachate inlet pipe 1-1, the leachate inlet pipe 1-1 is communicated with a flocculation reaction tank 1-2, the top of the flocculation reaction tank 1-2 is connected with a flocculant dosing tank 1-3 through a pipeline, the discharge end of the flocculation reaction tank 1-2 is connected with a solid-liquid separator through a pipeline, the solid-liquid separator is communicated with a pH value adjusting tank 2-1 before oxidation of the oxidation treatment mechanism 2 through a pipeline, the top of the pH value adjusting tank 2-1 before oxidation is communicated with a sulfuric acid storage tank 2-2, the oxidation treatment mechanism 2 further comprises a Fenton high-speed reaction tank 2-3 communicated with the pH value adjusting tank 2-1 before oxidation through a pipeline, and the top of the Fenton high-speed reaction tank 2-3 is communicated with a Fenton auxiliary agent storage tank 2-4 through a pipeline, the discharge end of the Fenton high-speed reaction tank 2-3 is communicated with a post-reaction pH adjusting tank 2-6 through a pipeline, the post-reaction pH adjusting tank 2-6 is communicated with a stacked spiral shell dehydrator 2-8 through a pipeline, the top of the pH adjusting tank 2-6 is communicated with an alkaline agent dosing tank 2-7 through a pipeline, and the stacked spiral shell dehydrator 2-8 is communicated with a biochemical treatment device through a pipeline.
A flocculation transfer tank 1-4 is communicated between the flocculation reaction tank 1-2 and the solid-liquid separator through a pipeline;
the solid-liquid separator adopts a flocculation filter press 1-5, and the flocculation filter press 1-5 is connected in parallel with each group.
The Fenton high-speed reaction tanks 2-3 are at least provided with two groups, the top of each group of the Fenton high-speed reaction tanks 2-3 is provided with a Fenton auxiliary agent storage tank 2-4, and the Fenton high-speed reaction tanks 2-3 in different groups are connected in series.
And a plurality of groups of Fenton reaction tanks 2-5 are also communicated in series between the Fenton high-speed reaction tank 2-3 and the post-reaction pH adjusting tank 2-6 through pipelines.
The utility model discloses a use as follows:
when the device is used, leachate enters a flocculation reaction tank 1-2 through a leachate inlet pipe 1-1, a flocculant is added through a flocculant adding box 1-3 and then flocculated, the leachate enters a flocculation transfer tank 1-4 after flocculation is finished and then enters a flocculation filter press 1-5, the filtered leachate enters a pH value adjusting tank 2-1 before oxidation, the pH value is adjusted to about 4 through acidity of the pH value, then the leachate enters a Fenton high-speed reaction tank 2-3 to perform Fenton reaction, then the leachate further reacts through a Fenton reaction tank 2-5, finally the pH value is adjusted through the pH adjusting tank after reaction, and the leachate enters a stack screw dehydrator 2-8 to perform solid-liquid separation after adjustment, so that the pretreatment of biochemical treatment of the leachate is completed.
The utility model discloses mainly apply to the place that carries out the preliminary treatment before the landfill leachate biochemical treatment.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (4)
1. The utility model provides a landfill leachate trickle high biochemical activity activation device which characterized in that includes:
a flocculation treatment mechanism (1) for flocculating suspended particles in the percolate;
and an oxidation treatment mechanism (2) which is favorable for Fenton reaction to carry out oxidation treatment on the percolate;
the front end of the flocculation treatment mechanism (1) is provided with a leachate inlet pipe (1-1), the leachate inlet pipe (1-1) is communicated with a flocculation reaction tank (1-2), the top of the flocculation reaction tank (1-2) is connected with a flocculant dosing tank (1-3) through a pipeline, the discharge end of the flocculation reaction tank (1-2) is connected with a solid-liquid separator through a pipeline, the solid-liquid separator is communicated with a pH value adjusting tank (2-1) before oxidation of the oxidation treatment mechanism (2) through a pipeline, the top of the pH value adjusting tank (2-1) before oxidation is communicated with a sulfuric acid storage tank (2-2), the oxidation treatment mechanism (2) further comprises a Fenton high-speed reaction tank (2-3) communicated with the pH value adjusting tank (2-1) before oxidation through a pipeline, and the top of the Fenton high-speed reaction tank (2-3) is communicated with a Fenton auxiliary agent storage tank (2-4) through a pipeline The device comprises a Fenton high-speed reaction tank (2-3), a pH adjusting tank (2-6) is communicated with the discharge end of the reaction tank through a pipeline after reaction, the pH adjusting tank (2-6) is communicated with a screw overlapping dehydrator (2-8) through a pipeline after reaction, the top of the pH adjusting tank (2-6) is communicated with an alkaline agent dosing tank (2-7) through a pipeline, and the screw overlapping dehydrator (2-8) is communicated with a biochemical treatment device through a pipeline.
2. The landfill leachate micro-current high biochemical activity activation device as claimed in claim 1, wherein: a flocculation transfer tank (1-4) is communicated between the flocculation reaction tank (1-2) and the solid-liquid separator through a pipeline;
the solid-liquid separator adopts a flocculation filter press (1-5), and the flocculation filter press (1-5) is connected in parallel with two groups.
3. The landfill leachate micro-current high biochemical activity activation device as claimed in claim 2, wherein: the Fenton high-speed reaction tanks (2-3) are at least provided with two groups, the top of each group of the Fenton high-speed reaction tanks (2-3) is provided with a Fenton auxiliary agent storage tank (2-4), and the Fenton high-speed reaction tanks (2-3) in different groups are connected in series.
4. The landfill leachate micro-current high biochemical activity activation device according to claim 3, wherein: and a plurality of groups of Fenton reaction tanks (2-5) are connected in series and communicated between the Fenton high-speed reaction tanks (2-3) and the post-reaction pH adjusting tanks (2-6) through pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370115.0U CN212246528U (en) | 2020-03-20 | 2020-03-20 | Micro-current high biochemical activity activation device for landfill leachate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020370115.0U CN212246528U (en) | 2020-03-20 | 2020-03-20 | Micro-current high biochemical activity activation device for landfill leachate |
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| CN212246528U true CN212246528U (en) | 2020-12-29 |
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| CN202020370115.0U Active CN212246528U (en) | 2020-03-20 | 2020-03-20 | Micro-current high biochemical activity activation device for landfill leachate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007598A (en) * | 2022-05-10 | 2022-09-06 | 嘉兴市绿能环保科技有限公司 | Kitchen waste pretreatment method |
| CN115007598B (en) * | 2022-05-10 | 2024-05-31 | 嘉兴市绿能环保科技有限公司 | Kitchen waste pretreatment method |
-
2020
- 2020-03-20 CN CN202020370115.0U patent/CN212246528U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115007598A (en) * | 2022-05-10 | 2022-09-06 | 嘉兴市绿能环保科技有限公司 | Kitchen waste pretreatment method |
| CN115007598B (en) * | 2022-05-10 | 2024-05-31 | 嘉兴市绿能环保科技有限公司 | Kitchen waste pretreatment method |
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Effective date of registration: 20240110 Address after: Room 2205, Building 2, No. 625 Geguan Road, Dachang Street, Jiangbei New District, Nanjing City, Jiangsu Province, 210000 Patentee after: Jiangsu Secco Environmental Protection Technology Co.,Ltd. Address before: 255086 room b2510, advanced ceramic industry innovation park, 125 Liuquan Road, high tech Zone, Zibo City, Shandong Province Patentee before: Shandong Aldo Environmental Technology Co.,Ltd. |