CN219652694U - Solid waste leachate pretreatment system - Google Patents
Solid waste leachate pretreatment system Download PDFInfo
- Publication number
- CN219652694U CN219652694U CN202223072178.6U CN202223072178U CN219652694U CN 219652694 U CN219652694 U CN 219652694U CN 202223072178 U CN202223072178 U CN 202223072178U CN 219652694 U CN219652694 U CN 219652694U
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- Prior art keywords
- reaction tank
- pipelines
- group
- tank
- solid waste
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- 239000002910 solid waste Substances 0.000 title claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- 238000010517 secondary reaction Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000010802 sludge Substances 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- -1 common pretreatment Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Activated Sludge Processes (AREA)
Abstract
The utility model relates to the technical field of waste liquid treatment, in particular to a solid waste leachate pretreatment system. Comprises an adjusting tank, a first-stage reaction tank group, a middle water tank, a second-stage reaction tank group and a clean water tank which are connected in sequence through pipelines; the bottom ends of the primary reaction tank group and the secondary reaction tank group are respectively communicated to a sludge tank through pipelines, and the sludge tank is communicated with a filter press through the pipelines; the bottom of the regulating tank is connected to the fan through a pipeline, and the primary reaction tank group and the secondary reaction tank group are respectively connected with a plurality of dosing pumping devices through pipelines. The reaction tank group comprises two reaction tanks which are connected in parallel through the pipeline, so that the treatment efficiency is improved, meanwhile, the overhaul and the maintenance are convenient, and when one reaction tank needs to be maintained, the whole line is not required to be stopped, so that the efficiency is higher. The back flushing device is arranged to prevent the bottom of the reaction tank body from being blocked.
Description
Technical Field
The utility model relates to the technical field of waste liquid treatment, in particular to a solid waste leachate pretreatment system.
Background
For some solid waste percolate wastewater, common pretreatment, water quality and water quantity regulation treatment and other special pretreatment such as neutralization, hair fishing, pre-sedimentation, pre-aeration and the like are needed before the wastewater enters a centralized or dispersed sewage treatment plant. If the pretreatment process does not reach the standard, excessive gate slag is caused, and the loss of subsequent treatment equipment is large.
In the existing solid waste percolate wastewater pretreatment system, the reaction tanks are arranged singly and are connected in series, so that when one reaction tank needs to be repaired, the whole system is stopped, sludge is often accumulated at the bottom of the tank body, and the tank body is blocked. A new system for pretreating the solid waste leachate is needed to solve the above problems.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a solid waste leachate pretreatment system.
The technical scheme for realizing the aim of the utility model is as follows: a solid waste percolate pretreatment system comprises an adjusting tank, a first-stage reaction tank group, a middle water tank, a second-stage reaction tank group and a clean water tank which are connected in sequence through pipelines; the bottom ends of the primary reaction tank group and the secondary reaction tank group are respectively communicated to a sludge tank through pipelines, and the sludge tank is communicated with a filter press through the pipelines; the bottom of the regulating tank is connected to the fan through a pipeline, and the primary reaction tank group and the secondary reaction tank group are respectively connected with a plurality of dosing pumping devices through pipelines.
Further, a group of coarse gratings are connected between the first-stage reaction tank group and the middle water tank through pipelines.
Further, a group of fine grids are connected between the secondary reaction tank group and the clean water tank through pipelines.
Further, a first recoil air compressor is arranged at the bottom of the first-stage reaction tank group.
Further, a second recoil air compressor is arranged at the bottom of the secondary reaction tank group.
Further, the first-stage reaction tank group comprises two first-stage reaction tanks which are connected in parallel, and the side surfaces of the first-stage reaction tanks are connected with the coarse grid through two pipelines which are arranged up and down.
Further, the secondary reaction tank group comprises two secondary reaction tanks connected in parallel, and the side surfaces of the secondary reaction tanks are connected with the fine grid through two pipelines which are arranged up and down.
Further, the filter press is a box filter press.
After the technical scheme is adopted, the utility model has the following positive effects:
(1) The reaction tank group comprises two reaction tanks which are connected in parallel through the pipeline, so that the treatment efficiency is improved, meanwhile, the overhaul and the maintenance are convenient, and when one reaction tank needs to be maintained, the whole line is not required to be stopped, so that the efficiency is higher.
(2) The utility model is provided with a backflushing device to prevent the bottom of the reaction tank body from being blocked.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, the utility model comprises an adjusting tank 1, a first-stage reaction tank group 2, a middle water tank 4, a second-stage reaction tank group 3 and a clean water tank 5 which are connected in sequence through pipelines; the conditioning tank 1 is used for accommodating external wastewater and filtrate filtered by the filter press 7. The bottom ends of the primary reaction tank group 2 and the secondary reaction tank group 3 are respectively communicated to the sludge tank 6 through pipelines, and some sludge impurities are conveyed to the sludge tank 6 through pipelines. The sludge tank 6 is communicated with the filter press 7 through a pipeline; the filter press 7 is a chamber filter press. And (3) solidifying the sludge by a box filter press, and then entering a landfill site for landfill. The waste water discharged by the filter press 7 returns to the regulating tank 1 again through a pipeline, the bottom of the regulating tank 1 is connected to a fan 8 through a pipeline, and the fan 8 pumps a large amount of air to aerate the water in the regulating tank 1. Four dosing pumping devices 9 are respectively connected with the first-stage reaction tank set 2 and the second-stage reaction tank set 3 through pipelines, some liquid medicine is pumped into the first-stage reaction tank set 2 and the second-stage reaction tank set 3 through the dosing pumping devices 9, a group of coarse gratings 10 are connected between the first-stage reaction tank set 2 and the middle water tank 4 through pipelines and used for preliminarily filtering some impurities, a group of fine gratings 11 are connected between the second-stage reaction tank set 3 and the clean water tank 5 through pipelines and used for finally filtering waste water in the pipeline; the bottom of the primary reaction tank set 2 is provided with a first backflushing air compressor 12, the bottom of the secondary reaction tank set 3 is provided with a second backflushing air compressor 13, and the two backflushing air compressors can reversely wash the bottoms of the primary reaction tank set 2 and the secondary reaction tank set 3 when the bottoms of the primary reaction tank set 2 and the secondary reaction tank set 3 are blocked, so as to dredge a pipeline.
The primary reaction tank group 2 comprises two primary reaction tanks 21 which are connected in parallel, and the side surfaces of the primary reaction tanks 21 are connected with the coarse grille 10 through two pipelines which are arranged up and down; the secondary reaction tank group 3 comprises two parallel secondary reaction tanks 31, the side surfaces of the secondary reaction tanks 31 are connected with the fine grid 11 through two pipelines which are arranged up and down, the two reaction tanks are connected in parallel, the filtering efficiency is improved, maintenance without stopping is convenient, when one reaction tank needs to be maintained, the other reaction tank can still work normally without stopping operation, the filtering pretreatment efficiency is improved, a driving motor is arranged at the top ends of the four reaction tanks, the bottom ends of the driving motor are connected with a stirrer, and the stirrer is arranged in the reaction tank and used for stirring.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (8)
1. A solid waste leachate pretreatment system is characterized in that: comprises an adjusting tank (1), a first-stage reaction tank group (2), a middle water tank (4), a second-stage reaction tank group (3) and a clean water tank (5) which are connected in sequence through pipelines; the bottoms of the primary reaction tank group (2) and the secondary reaction tank group (3) are respectively communicated to a sludge tank (6) through pipelines, and the sludge tank (6) is communicated with a filter press (7) through a pipeline; the bottom of the regulating tank (1) is connected to a fan (8) through a pipeline, and the primary reaction tank group (2) and the secondary reaction tank group (3) are respectively connected with a plurality of dosing pumping devices (9) through pipelines.
2. The solid waste leachate pretreatment system of claim 1, wherein: a group of coarse gratings (10) are connected between the first-stage reaction tank group (2) and the middle water tank (4) through pipelines.
3. The solid waste leachate pretreatment system according to claim 1 or 2, wherein: a group of fine gratings (11) are connected between the secondary reaction tank group (3) and the clean water tank (5) through pipelines.
4. The solid waste leachate pretreatment system of claim 1, wherein: the bottom of the first-stage reaction tank set (2) is provided with a first recoil air compressor (12).
5. The solid waste leachate pretreatment system of claim 1, wherein: the bottom of the secondary reaction tank set (3) is provided with a second recoil air compressor (13).
6. The solid waste leachate pretreatment system of claim 2, wherein: the primary reaction tank group (2) comprises two primary reaction tanks (21) which are connected in parallel, and the side surfaces of the primary reaction tanks (21) are connected with the coarse grid (10) through two pipelines which are arranged up and down.
7. A solid waste leachate pretreatment system according to claim 3, wherein: the secondary reaction tank group (3) comprises two secondary reaction tanks (31) which are connected in parallel, and the side surfaces of the secondary reaction tanks (31) are connected with the fine grid (11) through two pipelines which are arranged up and down.
8. The solid waste leachate pretreatment system of claim 1, wherein: the filter press (7) is a box filter press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072178.6U CN219652694U (en) | 2022-11-18 | 2022-11-18 | Solid waste leachate pretreatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223072178.6U CN219652694U (en) | 2022-11-18 | 2022-11-18 | Solid waste leachate pretreatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219652694U true CN219652694U (en) | 2023-09-08 |
Family
ID=87861681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223072178.6U Active CN219652694U (en) | 2022-11-18 | 2022-11-18 | Solid waste leachate pretreatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219652694U (en) |
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2022
- 2022-11-18 CN CN202223072178.6U patent/CN219652694U/en active Active
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