CN220537596U - Treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation - Google Patents
Treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation Download PDFInfo
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- CN220537596U CN220537596U CN202322092141.8U CN202322092141U CN220537596U CN 220537596 U CN220537596 U CN 220537596U CN 202322092141 U CN202322092141 U CN 202322092141U CN 220537596 U CN220537596 U CN 220537596U
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- Prior art keywords
- wastewater
- carbon dioxide
- cooling tower
- cooling
- hydrogenation
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000002351 wastewater Substances 0.000 title claims abstract description 63
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 23
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 23
- 230000002194 synthesizing effect Effects 0.000 title claims abstract description 18
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000001816 cooling Methods 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 34
- 238000009826 distribution Methods 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims abstract description 16
- 239000010802 sludge Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 16
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005399 mechanical ventilation Methods 0.000 description 2
- 238000006213 oxygenation reaction Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Biological Treatment Of Waste Water (AREA)
Abstract
The utility model discloses a treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation, belonging to the technical field of wastewater treatment; the processing device comprises a cooling tower; a spray cooling device, a wastewater distributing tank and a biological filler filtering device are sequentially arranged in the cooling tower from top to bottom; an air inlet is arranged on the side wall of the cooling tower between the wastewater distribution tank and the biological filler filtering device; the spray cooling device is connected with a circulating water inlet pipe which is used for connecting an industrial hot water inlet pipeline; the waste water distributing groove is connected with a waste water inlet pipe; the air inlet is connected with an air supply device; the utility model carries out high-efficiency wastewater treatment on the wastewater generated in the process of synthesizing the methanol by hydrogenating the carbon dioxide, achieves the aim of rapidly reducing organic matters in the wastewater, and can finish the cooling and water quality treatment of industrial hot water.
Description
Technical Field
The utility model belongs to the technical field of wastewater treatment, and particularly relates to a treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation.
Background
The economic development is not separated from fossil fuel, and the fossil fuel finally generates carbon dioxide after burning and is discharged into the atmosphere, so that a series of environmental problems such as global warming, glacier melting, water resource acidification, disastrous climate frequent occurrence and the like are caused. The hydrogenation synthesis of the methanol by the carbon dioxide is a chemical route for realizing carbon emission reduction, and the route not only can realize carbon emission reduction, but also can realize resource utilization of the carbon dioxide. However, in the process of synthesizing methanol by adopting the process, a small amount of carbon-containing organic wastewater is inevitably generated, the water quality is characterized by more low molecular organic matters, and the content of other pollutants such as suspended matters and the like is relatively low. For such wastewater, if a conventional sewage treatment process of physical treatment-biological treatment is adopted, not only the complexity of system operation is increased, but also unnecessary waste is caused.
Disclosure of Invention
The utility model overcomes the defects of the prior art and provides a treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation. Aiming at the water quality characteristics of the wastewater generated in the process of synthesizing the methanol by the hydrogenation of the carbon dioxide, the high-efficiency wastewater treatment is carried out, and the aim of rapidly reducing the organic matters in the wastewater is fulfilled.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme.
A treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation comprises a cooling tower; a spray cooling device, a wastewater distributing tank and a biological filler filtering device are sequentially arranged in the cooling tower from top to bottom; an air inlet is arranged on the side wall of the cooling tower between the wastewater distribution tank and the biological filler filtering device; the spray cooling device is connected with a circulating water inlet pipe, and the circulating water inlet pipe is used for connecting an industrial hot water inlet pipeline; the waste water distributing groove is connected with a waste water inlet pipe; the air inlet is connected with an air supply device.
Further, the spray cooling device comprises a plurality of circulating water distribution spray heads which are connected to the circulating water inlet pipe in a distributed manner, and a spray filler which is arranged below the circulating water distribution spray heads.
Furthermore, the bottom of the cooling tower is a water collecting tank, and the biological filler filtering device is arranged in the water collecting tank.
Still further, the bio-filler filter apparatus includes a grating support filled with a bio-contact filler.
Further, the cooling tower is connected with a treated water outlet pipe, and the treated water outlet pipe is positioned below the biological filler filtering device.
Further, the cooling tower is connected with a sludge discharge pipe and a blow-down pipe, and the sludge discharge pipe and the blow-down pipe are positioned below the biological filler filtering device.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model is characterized in that waste water generated in the process of synthesizing methanol by hydrogenating carbon dioxide is collected and then is conveyed to a mechanical ventilation cooling tower under pressure by a lifting pump, and then falls into a biological contact oxidation pond naturally by a water distribution groove arranged in the cooling tower, and the cooling tower is provided with an air inlet, so that the process plays a role in aeration and oxygenation of the waste water. The filler of the biological contact oxidation pond is immersed in the wastewater, the wastewater flows through the filler which is fully covered with the biological film, and organic pollutants are removed under the metabolism of microorganisms. Meanwhile, after the industrial hot water in the factory enters the cooling tower, the industrial hot water enters the biological contact oxidation pond after passing through the nozzle and the water spraying filler, and meanwhile, the cooling and water quality treatment effects of the industrial hot water are finished, so that the effect of achieving two purposes at one time is achieved.
The utility model can treat the wastewater generated in the process of synthesizing the methanol by hydrogenating the carbon dioxide on one hand, fully utilize the existing cooling facilities of the system, reduce the occupied area and simultaneously reduce the external water supplementing amount of the system on the other hand. In addition, after the production wastewater falls through the device, an aeration effect can be generated on the water, an arrangement device in a biological contact oxidation process is omitted, meanwhile, the uniformity of biological contact is quickened, and the purpose of rapidly reducing organic matters in the wastewater is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a device for treating wastewater from synthesizing methanol by hydrogenation of carbon dioxide.
In the figure: 1-a cooling tower; 2-circulating water distribution spray head; 3-a circulating water inlet pipe; 4-water spraying filler; 5-a wastewater inlet pipe; 6-a wastewater distribution tank; 7-an air inlet; 8-biological contact packing; 9-grid support; 10-a water collecting tank; 11-discharging mud and emptying pipes; 12-a treated water outlet pipe.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail by combining the embodiments and the drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. The following describes the technical scheme of the present utility model in detail with reference to examples and drawings, but the scope of protection is not limited thereto.
Referring to fig. 1, this embodiment provides a treatment device for treating wastewater generated in a process of synthesizing methanol by hydrogenating carbon dioxide, which comprises a cooling tower 1, a circulating water distribution nozzle 2, a circulating water inlet pipe 3, a water spraying filler 4, a wastewater inlet pipe 5, a wastewater distribution tank 6, an air inlet 7, a biological contact filler 8, a grid bracket 9, a water collecting tank 10, a sludge discharge and blow-down pipe 11 and a treated water outlet pipe 12.
A spray cooling device, a wastewater distributing tank 6 and a biological filler filtering device are sequentially arranged in the cooling tower 1 from top to bottom; an air inlet 7 is arranged on the side wall of the cooling tower 1 between the wastewater distribution tank 6 and the biological filler filtering device; the spray cooling device is connected with a circulating water inlet pipe 3, and the circulating water inlet pipe 3 is used for connecting an industrial hot water inlet pipeline; the wastewater distribution tank 6 is connected with a wastewater inlet pipe 5; the air inlet 7 is connected with an air supply device.
Specifically, the spray cooling device comprises a plurality of circulating water distribution spray heads 2 which are connected to a circulating water inlet pipe 3 in a distributed manner, and a water spraying filler 4 which is arranged below the circulating water distribution spray heads 2. The bottom of the cooling tower 1 is provided with a water collecting tank 10, and the biological filler filtering device is arranged in the water collecting tank 10. The bio-filler filter apparatus comprises a grating support 9, said grating support 9 being filled with a bio-contact filler 8. The biological contact filler 8 is made of the existing material and is used for removing organic matters in the wastewater by a biological contact oxidation method.
The cooling tower 1 is connected with a treated water outlet pipe 12 and a sludge discharging and emptying pipe 11, and the treated water outlet pipe 12 and the sludge discharging and emptying pipe 11 are positioned below the biological filler filtering device.
The specific working process is as follows:
a wastewater inlet pipe 5 is arranged in the middle of the cooling tower 1, and a small amount of organic wastewater generated in the process of synthesizing methanol by hydrogenation of carbon dioxide flows through a lifting pump to be pressurized and is sent to a wastewater distribution tank 6 through the wastewater inlet pipe 5; the wastewater is distributed through the wastewater distribution tank 6, and the side wall below the wastewater distribution tank 6 of the cooling tower 1 is provided with the air inlet 7, so that the natural aeration oxygenation of the wastewater falling from the wastewater distribution tank 6 can be realized. The circulating water inlet pipe 3 is arranged at the upper part of the cooling tower 1, a plurality of circulating water distribution spray heads 2 are arranged on the circulating water inlet pipe 3, and after the industrial hot water in the factory enters the cooling tower 1, the water is distributed through the circulating water distribution spray heads 2 and then uniformly flows through the water spraying filler 4. The industrial hot water in the factory is cooled to form cooling water, and then is mixed with the counted wastewater in a water collecting tank 10, and the mixed wastewater uniformly flows through a biological contact filler 8 arranged on a grid bracket 9. The organic matters in the wastewater are removed by a biological contact oxidation method.
The device embeds the wastewater treatment system in the existing mechanical ventilation cooling tower, thereby greatly saving the occupied area. The treated water is sent to a reuse water system again through a treated water outlet pipe 12, and sludge discharge, overhaul and evacuation in the water collecting tank 10 are realized through a sludge discharge and blow-down pipe 11 arranged at the bottom of the cooling tower.
The device can be used for cooling industrial hot water on one hand and treating the water quality of wastewater generated in the process of synthesizing methanol by hydrogenating carbon dioxide on the other hand, so that the effect of achieving two purposes is achieved. The existing cooling facilities of the system are fully utilized, the occupied area is reduced, and meanwhile, the external water supplementing quantity of the system can be reduced. In addition, after the production wastewater falls through the device, an aeration effect can be generated on the water, an arrangement device in a biological contact oxidation process is omitted, meanwhile, the uniformity of biological contact is quickened, and the purpose of rapidly reducing organic matters in the wastewater is achieved.
While the utility model has been described in detail in connection with specific preferred embodiments thereof, it is not to be construed as limited thereto, but rather as a result of a simple deduction or substitution by a person having ordinary skill in the art to which the utility model pertains without departing from the scope of the utility model defined by the appended claims.
Claims (6)
1. The device for treating the methanol wastewater generated by synthesizing the carbon dioxide through hydrogenation is characterized by comprising a cooling tower (1); a spray cooling device, a wastewater distribution tank (6) and a biological filler filtering device are sequentially arranged in the cooling tower (1) from top to bottom; an air inlet (7) is arranged on the side wall of the cooling tower (1) between the wastewater distribution tank (6) and the biological filler filtering device; the spray cooling device is connected with a circulating water inlet pipe (3), and the circulating water inlet pipe (3) is used for connecting an industrial hot water inlet pipeline; the wastewater distribution tank (6) is connected with a wastewater inlet pipe (5); the air inlet (7) is connected with an air supply device.
2. The treatment device for synthesizing methanol wastewater by hydrogenating carbon dioxide according to claim 1, wherein the spray cooling device comprises a plurality of circulating water distribution spray heads (2) which are connected to a circulating water inlet pipe (3) in a distributed manner, and a spray filler (4) which is arranged below the circulating water distribution spray heads (2).
3. The treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation according to claim 1, wherein a water collecting tank (10) is arranged at the bottom of the cooling tower (1), and the biological filler filtering device is arranged in the water collecting tank (10).
4. A treatment device for methanol wastewater from carbon dioxide hydrogenation synthesis according to claim 3, characterized in that the biological filler filter device comprises a grating support (9), the grating support (9) being filled with biological contact filler (8).
5. The device for treating the methanol wastewater synthesized by the hydrogenation of the carbon dioxide according to claim 1, wherein the cooling tower (1) is connected with a treated water outlet pipe (12), and the treated water outlet pipe (12) is positioned below the biological filler filtering device.
6. The device for treating the methanol wastewater synthesized by the hydrogenation of the carbon dioxide according to claim 1, wherein the cooling tower (1) is connected with a sludge discharging and emptying pipe (11), and the sludge discharging and emptying pipe (11) is positioned below the biological filler filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092141.8U CN220537596U (en) | 2023-08-04 | 2023-08-04 | Treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092141.8U CN220537596U (en) | 2023-08-04 | 2023-08-04 | Treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220537596U true CN220537596U (en) | 2024-02-27 |
Family
ID=89966255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322092141.8U Active CN220537596U (en) | 2023-08-04 | 2023-08-04 | Treatment device for synthesizing methanol wastewater by carbon dioxide hydrogenation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220537596U (en) |
-
2023
- 2023-08-04 CN CN202322092141.8U patent/CN220537596U/en active Active
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