CN213570046U - A sewage treatment plant for production of polyurethane glue - Google Patents
A sewage treatment plant for production of polyurethane glue Download PDFInfo
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- CN213570046U CN213570046U CN202022599081.5U CN202022599081U CN213570046U CN 213570046 U CN213570046 U CN 213570046U CN 202022599081 U CN202022599081 U CN 202022599081U CN 213570046 U CN213570046 U CN 213570046U
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Abstract
A sewage treatment device for polyurethane glue production comprises a grating tank 1, an adjusting tank 2, a flocculation sedimentation tank 3, a hydrolysis acidification tank 4, an anaerobic tank 5, a biological contact oxidation tank 6, a secondary sedimentation tank 7 and an intermediate tank 8; the grid tank 1, the adjusting tank 2, the flocculation sedimentation tank 3, the hydrolysis acidification tank 4, the anaerobic tank 5, the biological contact oxidation tank 6, the secondary sedimentation tank 7 and the intermediate tank 8 are sequentially communicated; the middle pool 8 is connected with a filter 9; the utility model discloses to polyurethane's production sewage treatment regulation, loop through grid pond 1, equalizing basin 2, flocculation and precipitation pond 3, hydrolysis and acidification pond 4, anaerobism pond 5, biological contact oxidation pond 6, two heavy ponds 7 with sewage and handle, the liquid after the processing advances filter filtration back discharge to reach standard.
Description
Technical Field
The utility model relates to a macromolecular material production technical field, concretely relates to a sewage treatment plant for production is glued to polyurethane.
Background
A large amount of industrial wastewater can be generated in the production process of polyurethane, the industrial wastewater can be discharged after being treated, large-volume floaters and a large amount of sludge exist in the wastewater, great difficulty is brought to treatment, various problems that the treatment is complicated, the treatment can not reach the standard once, the recovery of intermediate waste liquid is difficult, the stirring is not uniform, the equipment is damaged and the like exist, and the problems cause that secondary treatment is sometimes needed.
Disclosure of Invention
An object of the utility model is to avoid prior art not enough, provide a sewage treatment plant for production is glued to polyurethane to effectively solve prior art's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sewage treatment device for polyurethane glue production comprises a grating tank 1, an adjusting tank 2, a flocculation sedimentation tank 3, a hydrolysis acidification tank 4, an anaerobic tank 5, a biological contact oxidation tank 6, a secondary sedimentation tank 7 and an intermediate tank 8;
the grid tank 1, the adjusting tank 2, the flocculation sedimentation tank 3, the hydrolysis acidification tank 4, the anaerobic tank 5, the biological contact oxidation tank 6, the secondary sedimentation tank 7 and the intermediate tank 8 are sequentially communicated; the middle pool 8 is connected with a filter 9;
a waste water inlet pipe 10 is arranged at the top of the grating tank 1; a first grid plate 11 is arranged above the interior of the grid pond 1; the first grid plate 11 is horizontally arranged; a second grid plate 12 is arranged inside the grid pond 1; the second grating plate 12 is obliquely arranged inside the grating tank 1; the second grid plate 12 is arranged below the first grid plate 11;
a first water outlet 13 and a second water outlet 14 are arranged on the middle tank 8; the filter 9 is provided with a filtering water inlet 15 and a filtering water outlet 16; a filtering liquid discharge pipe 17 is arranged on the filtering water outlet 16;
the first water outlet 13 and the filtering water inlet 15 are communicated through a first conveying pipe 18; the second water outlet 14 is communicated with a filtering liquid discharge pipe 17 through a second conveying pipe 19; the first delivery pipe 18 is provided with a return pipe 20; the tail end of the return pipe 20 is connected with the regulating tank 2;
the first delivery pipe 18, the second delivery pipe 19, the filtering liquid discharge pipe 17 and the return pipe 20 are respectively provided with valves.
Further, a blast aeration plate 21 is arranged inside the adjusting tank 2 and the biological contact oxidation tank 6; the blast aeration plate 21 is respectively arranged at the bottom of the adjusting tank 2 and the biological contact oxidation tank 6.
Further, a plug flow stirrer 22 is respectively arranged inside the hydrolysis acidification tank 4 and the anaerobic tank 5; the top of the anaerobic tank 5 is provided with a tank cover 23.
Further, an oxygen concentration monitor 24 is arranged inside the anaerobic tank 5.
Further, a sludge conveying pipeline 25 is arranged at the bottom of the secondary sedimentation tank 7; a sludge delivery pump 27 is arranged on the sludge delivery pipeline 25; the end of the sludge conveying pipe 25 is provided with a sludge thickener 26.
Further, the first delivery pipe 18 and the second delivery pipe 19 are provided with a delivery pump 28.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the utility model is directed against the treatment regulation of the production sewage of polyurethane, the sewage is treated by a grating tank 1, an adjusting tank 2, a flocculation sedimentation tank 3, a hydrolysis acidification tank 4, an anaerobic tank 5, a biological contact oxidation tank 6 and a secondary sedimentation tank 7 in turn, and the treated liquid is filtered by a filter and then discharged after reaching the standard; then reversely enters the filter through the middle tank 8 for backwashing, and the liquid after backwashing returns to the regulating tank 2 for treatment; the utility model discloses the mode of action according to every treatment tank has set up air blast aeration board and has pushed away the flow agitator, stirs liquid through two kinds of modes, has guaranteed the homogeneity of stirring.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention;
in the figure: a grid tank 1; a regulating reservoir 2; a flocculation sedimentation tank 3; a hydrolysis acidification tank 4; an anaerobic tank 5; a biological contact oxidation pond 6; a secondary sedimentation tank 7; an intermediate tank 8; a filter 9; a wastewater inlet pipe 10; a first grid plate 11; a second grid plate 12; a first water outlet 13; a second water outlet 14; a filtering water inlet 15; the water outlet 16 is filtered; a filtration drain pipe 17; a first delivery pipe 18; a second delivery pipe 19; a return pipe 20; a blast aeration plate 21; a plug flow agitator 22; a tank cover 23; an oxygen concentration monitor 24; a sludge transfer pipe 25; a sludge thickener 26; a sludge transfer pump 27; a delivery pump 28.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in the figure:
example 1:
a sewage treatment device for polyurethane glue production comprises a grating tank 1, an adjusting tank 2, a flocculation sedimentation tank 3, a hydrolysis acidification tank 4, an anaerobic tank 5, a biological contact oxidation tank 6, a secondary sedimentation tank 7 and an intermediate tank 8;
the grid tank 1, the adjusting tank 2, the flocculation sedimentation tank 3, the hydrolysis acidification tank 4, the anaerobic tank 5, the biological contact oxidation tank 6, the secondary sedimentation tank 7 and the intermediate tank 8 are sequentially communicated; the middle pool 8 is connected with a filter 9;
a waste water inlet pipe 10 is arranged at the top of the grating tank 1; a first grid plate 11 is arranged above the interior of the grid pond 1; the first grid plate 11 is horizontally arranged; a second grid plate 12 is arranged inside the grid pond 1; the second grating plate 12 is obliquely arranged inside the grating tank 1; the second grid plate 12 is arranged below the first grid plate 11;
a first water outlet 13 and a second water outlet 14 are arranged on the middle tank 8; the filter 9 is provided with a filtering water inlet 15 and a filtering water outlet 16; a filtering liquid discharge pipe 17 is arranged on the filtering water outlet 16;
the first water outlet 13 and the filtering water inlet 15 are communicated through a first conveying pipe 18; the second water outlet 14 is communicated with a filtering liquid discharge pipe 17 through a second conveying pipe 19; the first delivery pipe 18 is provided with a return pipe 20; the tail end of the return pipe 20 is connected with the regulating tank 2;
the first delivery pipe 18, the second delivery pipe 19, the filtering liquid discharge pipe 17 and the return pipe 20 are respectively provided with valves.
Example 2:
on the basis of the embodiment 1, the regulating tank 2 and the biological contact oxidation tank 6 are internally provided with a blast aeration plate 21; the blast aeration plate 21 is respectively arranged at the bottom of the adjusting tank 2 and the biological contact oxidation tank 6.
Example 3:
on the basis of the embodiment 1-2, the inside of the hydrolysis acidification tank 4 and the inside of the anaerobic tank 5 are respectively provided with a plug flow stirrer 22; the top of the anaerobic tank 5 is provided with a tank cover 23.
Example 4:
in addition to the embodiments 1 to 3, an oxygen concentration monitor 24 is provided inside the anaerobic tank 5.
Example 5:
on the basis of the embodiments 1 to 4, the bottom of the secondary sedimentation tank 7 is provided with a sludge conveying pipeline 25; a sludge delivery pump 27 is arranged on the sludge delivery pipeline 25; the end of the sludge conveying pipe 25 is provided with a sludge thickener 26.
Example 6:
in addition to the embodiments 1 to 5, the first delivery pipe 18 and the second delivery pipe 19 are provided with the delivery pump 28.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A sewage treatment device for polyurethane glue production is characterized by comprising a grating pool (1), an adjusting pool (2), a flocculation sedimentation pool (3), a hydrolysis acidification pool (4), an anaerobic pool (5), a biological contact oxidation pool (6), a secondary sedimentation pool (7) and an intermediate pool (8);
the grid tank (1), the adjusting tank (2), the flocculation sedimentation tank (3), the hydrolysis acidification tank (4), the anaerobic tank (5), the biological contact oxidation tank (6), the secondary sedimentation tank (7) and the intermediate tank (8) are sequentially communicated;
the middle pool (8) is connected with the filter (9);
a waste water inlet pipe (10) is arranged at the top of the grating tank (1); a first grid plate (11) is arranged above the inner part of the grid pool (1); the first grating plate (11) is horizontally arranged; a second grating plate (12) is arranged in the grating pool (1); the second grating plate (12) is obliquely arranged inside the grating pool (1); the second grating plate (12) is arranged below the first grating plate (11);
a first water outlet (13) and a second water outlet (14) are arranged on the middle tank (8); the filter (9) is provided with a filtering water inlet (15) and a filtering water outlet (16); a filtering liquid discharge pipe (17) is arranged on the filtering water outlet (16);
the first water outlet (13) and the filtering water inlet (15) are communicated through a first conveying pipe (18);
the second water outlet (14) is communicated with the filtering liquid discharge pipe (17) through a second conveying pipe (19); a return pipe (20) is arranged on the first delivery pipe (18); the tail end of the return pipe (20) is connected with the regulating tank (2);
valves are respectively arranged on the first delivery pipe (18), the second delivery pipe (19), the filtering liquid discharge pipe (17) and the return pipe (20).
2. The sewage treatment device for the production of polyurethane glue according to claim 1, characterized in that inside the adjusting tank (2) and the biological contact oxidation tank (6) are arranged blast aeration plates (21); the blast aeration plate (21) is respectively arranged at the bottom of the adjusting tank (2) and the bottom of the biological contact oxidation tank (6).
3. The sewage treatment device for the production of polyurethane glue according to claim 1, characterized in that the inside of the hydrolysis acidification tank (4) and the anaerobic tank (5) are respectively provided with a plug flow stirrer (22); the top of the anaerobic tank (5) is provided with a tank cover (23).
4. The sewage treatment plant for polyurethane glue production as claimed in claim 1, wherein the inside of the anaerobic tank (5) is provided with an oxygen concentration monitor (24).
5. The sewage treatment plant for polyurethane glue production as claimed in claim 1, wherein the bottom of the secondary sedimentation tank (7) is provided with a sludge conveying pipeline (25); a sludge conveying pump (27) is arranged on the sludge conveying pipeline (25); the tail end of the sludge conveying pipeline (25) is provided with a sludge concentration tank (26).
6. The sewage treatment plant for the production of polyurethane glue according to claim 1, characterised in that the first delivery pipe (18) and the second delivery pipe (19) are provided with delivery pumps (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599081.5U CN213570046U (en) | 2020-11-11 | 2020-11-11 | A sewage treatment plant for production of polyurethane glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022599081.5U CN213570046U (en) | 2020-11-11 | 2020-11-11 | A sewage treatment plant for production of polyurethane glue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213570046U true CN213570046U (en) | 2021-06-29 |
Family
ID=76536733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022599081.5U Active CN213570046U (en) | 2020-11-11 | 2020-11-11 | A sewage treatment plant for production of polyurethane glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213570046U (en) |
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2020
- 2020-11-11 CN CN202022599081.5U patent/CN213570046U/en active Active
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