CN220918332U - Crude treatment system suitable for chemical production waste liquid treatment - Google Patents
Crude treatment system suitable for chemical production waste liquid treatment Download PDFInfo
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- CN220918332U CN220918332U CN202223545165.6U CN202223545165U CN220918332U CN 220918332 U CN220918332 U CN 220918332U CN 202223545165 U CN202223545165 U CN 202223545165U CN 220918332 U CN220918332 U CN 220918332U
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- filter tank
- filter screen
- secondary filter
- tank
- primary
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- 239000007788 liquid Substances 0.000 title claims abstract description 75
- 239000002699 waste material Substances 0.000 title claims abstract description 35
- 238000012824 chemical production Methods 0.000 title claims abstract description 21
- 238000001914 filtration Methods 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a crude treatment system suitable for treating waste liquid in chemical production, which comprises a primary filter tank and a secondary filter tank; the primary filter tank and the secondary filter tank are vertical containers; a first-stage filter screen is arranged in the first-stage filter tank; the secondary filter tank is internally provided with a secondary filter screen; the first-stage filter tank receives waste liquid from the upstream of the process and performs primary filtration through the first-stage filter screen, and the second-stage filter tank receives waste liquid from the first-stage filter tank from the upstream of the process and performs secondary filtration through the second-stage filter screen; the mesh of the first-stage filter screen is larger than that of the second-stage filter screen. The coarse treatment system provided by the utility model is provided with the primary filter tank and the secondary filter tank which are connected in series, the primary filter screen and the secondary filter screen with different meshes are utilized to form secondary filter treatment, the filtering effect can be improved, the difficulty and the length of the arrangement of the two filter tanks in a liquid inlet mode at the lower end of the secondary filter tank can be reduced, the input cost of the pipeline is saved to a certain extent, the length of the pipeline is shortened, and the waste liquid is convenient to convey.
Description
Technical Field
The utility model relates to the technical field of chemical production equipment, in particular to a crude treatment system suitable for treating chemical production waste liquid.
Background
Chemical production is an important item for supporting the progress of daily life and society of people, and most materials required by daily life and industrial production are obtained by processing raw materials. With the gradual increase of environmental protection requirements, sewage treatment plants also put forward new discharge standards for sewage discharged to the sewage treatment plants. Industrial wastewater is one of three industrial wastes and one of three wastes with the largest reserves.
The treatment of industrial wastewater is generally divided into two steps of coarse treatment and fine treatment, wherein the coarse treatment process mainly isolates particle impurities in the wastewater through a grid, and the obtained treatment liquid enters a fine treatment system at the downstream of the process to be treated in a biological and chemical mode, and finally reaches the emission standard.
In the prior art, the crude treatment equipment/system is generally a grid pool or a container internally provided with grids, but the crude treatment system in the prior art is usually a single equipment in consideration of the problems of input cost, occupied area, pipeline arrangement and the like, the crude treatment effect of the single equipment is limited, the particulate impurities in the waste liquid can not be sufficiently filtered, the work load is brought to a fine treatment system at the downstream of the process, and meanwhile, the input of the fine treatment system is far greater than that of the crude treatment system, so that once an accident occurs, the loss is far greater than that of the crude treatment system. Therefore, the treatment method in the prior art is not in view of the situation, and the filtration effect on the waste liquid is not good, and improvement is needed.
Therefore, based on the above technical problems, a person skilled in the art is required to develop a crude treatment system suitable for treating waste liquid in chemical production.
Disclosure of utility model
The utility model aims to provide a crude treatment system which realizes multistage crude treatment in series, has reasonable pipeline arrangement and effectively improves the filtering effect and is suitable for treating waste liquid in chemical production.
In order to achieve the above object, the present utility model provides the following technical solutions:
The utility model relates to a crude treatment system suitable for treating waste liquid in chemical production, which comprises:
A first stage filtration tank located upstream of the process; and
A second stage filter tank in communication with the first stage filter tank and positioned at a process downstream end of the first stage filter tank;
the primary filter tank and the secondary filter tank are vertical containers;
A first-stage filter screen is arranged in the first-stage filter tank;
A secondary filter screen is arranged in the secondary filter tank;
The first-stage filter tank receives waste liquid upstream of the process and performs primary filtration through the first-stage filter screen, and the second-stage filter tank receives waste liquid of the first-stage filter tank upstream of the process and performs secondary filtration through the second-stage filter screen;
the mesh of the primary filter screen is larger than that of the secondary filter screen.
Further, two layers of first-stage filter screens are arranged in the first-stage filter tank at intervals;
The primary filter screen cloth is arranged at the upper part of the interior of the primary filter tank;
the upper part of the primary filter tank is provided with a first liquid inlet pipe, and the lower part of the primary filter tank is provided with a first liquid outlet pipe;
The upstream equipment of the process is communicated with the first liquid inlet pipe through a pipeline and the first stage filtering tank.
Further, a mounting ring is welded on the inner wall of the primary filter tank;
The primary filter screen is fixedly connected with the mounting ring through bolts;
The first-stage filter screen is arranged on the upper surface of the mounting ring;
The lower part of the primary filter tank is provided with a manhole.
Further, two layers of the secondary filter screens are arranged in the secondary filter tank at intervals;
the secondary filter screen cloth is arranged at the lower part of the interior of the secondary filter tank;
The lower part of the secondary filter tank is provided with a second liquid inlet pipe, and the middle part of the secondary filter tank is provided with a second liquid outlet pipe close to the secondary filter screen;
The first liquid outlet pipe of the primary filtering tank is communicated with the second liquid inlet pipe of the secondary filtering tank through a pipeline.
Further, a mounting ring is welded on the inner wall of the secondary filter tank;
the secondary filter screen is fixedly connected with the mounting ring through bolts;
the secondary filter screen is arranged on the lower surface of the mounting ring;
The middle part of the secondary filter screen, and the position close to the secondary filter screen is provided with a manhole.
Further, the primary filter screen and the secondary filter screen each include:
an outer ring body in a ring shape; and
The screen plate is fixed on the inner ring of the outer ring body.
Further, a one-way valve is arranged on the pipeline between the first liquid outlet pipe and the second liquid inlet pipe.
In the technical scheme, the crude treatment system suitable for treating the chemical production waste liquid has the following beneficial effects:
The coarse treatment system provided by the utility model is provided with the primary filter tank and the secondary filter tank which are connected in series, the primary filter screen and the secondary filter screen with different meshes are utilized to form secondary filter treatment, the filtering effect can be improved, the difficulty and the length of the arrangement of the two filter tanks in a liquid inlet mode at the lower end of the secondary filter tank can be reduced, the input cost of the pipeline is saved to a certain extent, the length of the pipeline is shortened, and the waste liquid is convenient to convey.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of a crude treatment system for treating waste liquid in chemical production according to an embodiment of the present utility model;
Fig. 2 is a schematic structural diagram of a filter screen of a coarse treatment system suitable for treating waste liquid in chemical production according to an embodiment of the present utility model.
Reference numerals illustrate:
1. A first stage filtration tank; 2. a secondary filter tank; 3. a manhole; 4. a mounting ring;
101. A first liquid inlet pipe; 102. a second liquid outlet pipe; 103. a first-stage filter screen;
201. a second liquid inlet pipe; 202. a second liquid outlet pipe; 203. a secondary filter screen;
501. An outer ring body; 502. a screen plate.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1-2;
the embodiment relates to a crude treatment system suitable for chemical production waste liquid treatment, and this system includes:
a first stage filter tank 1 located upstream of the process; and
A second stage filter tank 2 which is communicated with the first stage filter tank 1 and is positioned at the downstream end of the process of the first stage filter tank 1;
The primary filter tank 1 and the secondary filter tank 2 are vertical containers;
a first-stage filter screen 103 is arranged in the first-stage filter tank 1;
the secondary filter tank 2 is internally provided with a secondary filter screen 203;
The primary filter tank 1 receives waste liquid upstream of the process and performs primary filtration through the primary filter screen 103, and the secondary filter tank 2 receives waste liquid of the primary filter tank 1 upstream of the process and performs secondary filtration through the secondary filter screen 203;
The mesh of the primary filter screen 103 is larger than the mesh of the secondary filter screen 203.
Specifically, the present embodiment discloses a crude treatment system with two-stage treatment, which includes a primary filter tank 1 and a secondary filter tank 2; the primary filter tank 1 is internally provided with the primary filter screen 103, the secondary filter tank 2 is internally provided with the secondary filter screen 203, wherein meshes of the primary filter screen 103 are required to be larger than meshes of the secondary filter screen 203, so that large-particle impurities and partial small-particle impurities can be preferentially filtered, the partial small-particle impurities can be attached to the surfaces of the large-particle impurities and filtered, and waste liquid after primary filtration enters the secondary filter tank 2 and is subjected to secondary treatment through the small meshes of the secondary filter screen 203, so that the small-particle impurities are removed. Through the two-stage treatment of the embodiment, most of particle impurities can be removed, and treatment conditions are provided for a fine treatment system at the downstream of the process.
Preferably, two layers of primary filter screens 103 are arranged at intervals inside the primary filter tank 1 in the embodiment;
the first-stage filter screen 103 is arranged at the upper part of the inside of the first-stage filter tank 1;
The upper part of the first-stage filter tank 1 is provided with a first liquid inlet pipe 101, and the lower part of the first-stage filter tank 1 is provided with a first liquid outlet pipe 102;
the upstream equipment of the process is communicated with the first liquid inlet pipe 101 through a pipeline and the first stage filtering tank 1.
Wherein, the inner wall of the first-stage filter tank 1 is welded with a mounting ring 4;
The primary filter screen 103 is fixedly connected with the mounting ring 4 through bolts;
The primary filter screen 103 is arranged on the upper surface of the mounting ring 4;
the lower part of the primary filter tank 1 is provided with a manhole 3.
The structure of the first-stage filter tank 1 is further limited in this embodiment, two layers of first-stage filter screens 103 are installed on the upper portion of the inside of the first-stage filter tank 1, and meanwhile, the liquid inlet of the first-stage filter tank 1 adopts the upper liquid inlet mode, so that the first-stage filter screens 103 are arranged on the upper portion to be close to the first liquid inlet pipe 101, the upper end socket of the first-stage filter tank 1 can be opened for convenient replacement during maintenance when the first-stage filter screens 103 are installed on the upper surface of the mounting ring 4, and the manhole 3 on the lower portion can facilitate maintenance equipment of operators.
Preferably, two layers of secondary filter screens 203 are arranged at intervals inside the secondary filter tank 2 of the embodiment;
The secondary filter 203 is disposed at the lower portion inside the secondary filter tank 2;
The lower part of the secondary filter tank 2 is provided with a second liquid inlet pipe 201, and the middle part of the secondary filter tank 2 is provided with a second liquid outlet pipe 202 close to the secondary filter screen 203;
The first liquid outlet pipe 102 of the primary filter tank 1 is communicated with the second liquid inlet pipe 201 of the secondary filter tank 2 through a pipeline.
Wherein, the inner wall of the secondary filter tank 2 is welded with a mounting ring 4;
the secondary filter 203 is fastened and connected with the mounting ring 4 through bolts;
the secondary filter 203 is mounted on the lower surface of the mounting ring 4;
a manhole 3 is provided in the middle of the secondary filter 203 and near the secondary filter 203.
This embodiment further defines the structure of the secondary filter tank 2, and the secondary filter screen 203 inside the secondary filter tank 2 is disposed at the lower portion of the secondary filter tank 2 in order to match with the liquid inlet at the lower end, and the second liquid outlet pipe 202 is located at the middle portion, so that the waste liquid after the secondary filtration and precipitation can be discharged from the second liquid outlet pipe 202 to the finishing system downstream in the process.
The secondary filter 203 of the present embodiment is also installed on the lower surface of the installation ring 4 by means of a lower installation in order to enable the operator to perform maintenance and repair through the opened manhole 3.
For ease of installation, the primary filter screen 103 and the secondary filter screen 203 of the present embodiment each include:
An outer ring 501 having a circular ring shape; and
A mesh plate 502 fixed to the inner periphery of the outer ring 501.
A one-way valve is installed on the pipeline between the first liquid outlet pipe 102 and the second liquid inlet pipe 201.
In the technical scheme, the crude treatment system suitable for treating the chemical production waste liquid has the following beneficial effects:
The coarse treatment system provided by the utility model is provided with the primary filter tank 1 and the secondary filter tank 2 which are connected in series, the primary filter screen 103 and the secondary filter screen 203 with different meshes are utilized to form secondary filter treatment, the filter effect can be improved, the difficulty and the length of the arrangement of the two filter tanks in a liquid inlet mode at the lower end of the secondary filter tank 2 can be reduced, the input cost of the pipeline can be saved to a certain extent, the pipeline length can be shortened, and the waste liquid can be conveniently conveyed.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. Crude treatment system suitable for chemical production waste liquid treatment, characterized in that, this system includes:
a first stage filter tank (1) located upstream of the process; and
A secondary filter tank (2) which is communicated with the primary filter tank (1) and is positioned at the process downstream end of the primary filter tank (1);
The primary filter tank (1) and the secondary filter tank (2) are vertical containers;
a first-stage filter screen (103) is arranged in the first-stage filter tank (1);
a secondary filter screen (203) is arranged in the secondary filter tank (2);
The primary filter tank (1) receives waste liquid upstream of the process and performs primary filtration through the primary filter screen (103), and the secondary filter tank (2) receives waste liquid of the primary filter tank (1) upstream of the process and performs secondary filtration through the secondary filter screen (203);
The mesh of the primary filter screen (103) is larger than the mesh of the secondary filter screen (203).
2. The crude treatment system suitable for treating chemical production waste liquid according to claim 1, wherein two layers of primary filter screens (103) are arranged in the primary filter tank (1) at intervals;
The primary filter screen (103) is arranged at the upper part of the interior of the primary filter tank (1);
The upper part of the primary filter tank (1) is provided with a first liquid inlet pipe (101), and the lower part of the primary filter tank (1) is provided with a first liquid outlet pipe (102);
The upstream equipment of the process is communicated with the first stage filtering tank (1) through a pipeline and is connected with the first liquid inlet pipe (101).
3. The crude treatment system suitable for treating chemical production waste liquid according to claim 2, wherein the inner wall of the primary filter tank (1) is welded with a mounting ring (4);
The primary filter screen (103) is connected with the mounting ring (4) through bolt fastening;
The primary filter screen (103) is arranged on the upper surface of the mounting ring (4);
the lower part of the primary filter tank (1) is provided with a manhole (3).
4. The crude treatment system suitable for treating waste liquid of chemical production according to claim 2, wherein two layers of the secondary filter screen (203) are arranged at intervals inside the secondary filter tank (2);
The secondary filter screen (203) is arranged at the lower part of the interior of the secondary filter tank (2);
The lower part of the secondary filter tank (2) is provided with a second liquid inlet pipe (201), and the middle part of the secondary filter tank (2) is provided with a second liquid outlet pipe (202) close to the secondary filter screen (203);
The first liquid outlet pipe (102) of the primary filtering tank (1) is communicated with the second liquid inlet pipe (201) of the secondary filtering tank (2) through a pipeline.
5. The crude treatment system for treating waste liquid in chemical production according to claim 4, wherein the inner wall of the secondary filter tank (2) is welded with a mounting ring (4);
The secondary filter screen (203) is connected with the mounting ring (4) through bolt fastening;
the secondary filter screen (203) is arranged on the lower surface of the mounting ring (4);
The middle part of the secondary filter screen (203) is provided with a manhole (3) close to the secondary filter screen (203).
6. The coarse treatment system for treating waste liquid from chemical production according to claim 1, wherein the primary filter screen (103) and the secondary filter screen (203) each comprise:
An outer ring body (501) having a ring shape; and
And the screen plate (502) is fixed on the inner ring of the outer ring body (501).
7. The crude treatment system for treating waste liquid in chemical production according to claim 4, wherein a check valve is installed on a pipe between the first liquid outlet pipe (102) and the second liquid inlet pipe (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223545165.6U CN220918332U (en) | 2022-12-28 | 2022-12-28 | Crude treatment system suitable for chemical production waste liquid treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223545165.6U CN220918332U (en) | 2022-12-28 | 2022-12-28 | Crude treatment system suitable for chemical production waste liquid treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220918332U true CN220918332U (en) | 2024-05-10 |
Family
ID=90970276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223545165.6U Active CN220918332U (en) | 2022-12-28 | 2022-12-28 | Crude treatment system suitable for chemical production waste liquid treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220918332U (en) |
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2022
- 2022-12-28 CN CN202223545165.6U patent/CN220918332U/en active Active
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