CN218539459U - Coke oven basement waste water treatment equipment - Google Patents
Coke oven basement waste water treatment equipment Download PDFInfo
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- CN218539459U CN218539459U CN202222581765.1U CN202222581765U CN218539459U CN 218539459 U CN218539459 U CN 218539459U CN 202222581765 U CN202222581765 U CN 202222581765U CN 218539459 U CN218539459 U CN 218539459U
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Abstract
The utility model discloses a coke oven basement wastewater treatment device, which belongs to the technical field of coke oven equipment and comprises a wastewater collection tank; it is characterized by also comprising a tar box, a mechanical clarifying tank and an ammonia water tank; wherein: the waste water collecting tank is connected with the tar box through a first pipeline, and a waste water pump is installed on the first pipeline; the tar box is connected with the mechanical clarifying tank through an air suction pipe, the outlet of the mechanical clarifying tank is connected with the inlet of an ammonia tank through a second pipeline, the outlet of the ammonia tank is respectively connected with a coke-removing furnace cooling crude gas port and an ammonia still through a third pipeline, and an ammonia pump is mounted on the third pipeline; the ammonia still is connected with a wastewater biochemical treatment station through a fourth pipeline; an ammonia evaporation wastewater pump is arranged on the fourth pipeline; the tar box is connected with a gas collecting pipe. The utility model discloses can realize coke oven basement waste water treatment well, have that treatment process is succinct, and the flow is shorter, the characteristics of easily realizing.
Description
Technical Field
The utility model belongs to the technical field of coke oven equipment, especially, relate to a coke oven basement waste water treatment equipment.
Background
The coke oven produces a lot of industrial waste water in the production process, which mainly comprises: the device comprises coke oven gas, blast furnace gas pipeline condensed water, riser water seal water, steam condensed water, equipment cooling water, cleaning wastewater and the like, and has the characteristics of small water amount and multiple point positions, and the wastewater produced by the coke oven is often collected in a wastewater collection tank of a basement of the coke oven. The current coking industry has two main treatment methods: firstly, the waste water is led to a wet quenching tank and is consumed during wet quenching, but the prior coke oven requires full dry quenching production, wet quenching is not carried out, the waste water cannot be consumed, and the waste water used for quenching coke does not meet the environmental protection requirement; secondly, the wastewater is collected and is sent to a wastewater treatment station for treatment after being laid with pipelines independently, although the method can solve the problem of coke oven wastewater treatment, the coke oven wastewater amount is small, the pipelines are laid independently, the pipelines are long, the investment is large, and the method is not economical. Therefore, the coke oven basement wastewater treatment equipment which is simple in process, easy to realize, economical and practical is urgently needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical defects, the utility model provides a coke oven basement waste water treatment device which is used for realizing the waste water treatment of the coke oven basement.
In order to achieve the technical purpose, the utility model discloses a following technical scheme realizes:
a coke oven basement wastewater treatment device comprises a wastewater collection tank, a tar box, a mechanical clarifying tank and an ammonia tank; wherein: the waste water collecting tank is connected with the tar box through a first pipeline, and a waste water pump is installed on the first pipeline; the tar box is connected with the mechanical clarifying tank through an air suction pipe, the outlet of the mechanical clarifying tank is connected with the inlet of an ammonia tank through a second pipeline, the outlet of the ammonia tank is respectively connected with a coke-removing furnace cooling crude gas port and an ammonia still through a third pipeline, and an ammonia pump is mounted on the third pipeline; the ammonia still is connected with a wastewater biochemical treatment station through a fourth pipeline; an ammonia evaporation wastewater pump is arranged on the fourth pipeline; the tar box is connected with a gas collecting pipe.
Preferably: and the wastewater collecting tank is connected with a wastewater pipe.
Preferably: the mechanical clarifying tank is connected with a tar pipe.
The utility model has the advantages and the technical effect be:
the utility model leads the waste water to the tar box part, can directly enter at the tar box cleaning hole position, does not change the coke oven crude gas and ammonia water tar pipeline, does not influence the normal production of the coke oven, and does not influence the normal circulation of the gas even if the waste water enters through a single hole; the amount of the waste water is far less than that of the tar ammonia water of the whole coke oven, so that the tar ammonia water and the subsequent treatment process are not influenced; the raw gas pipeline is fully utilized, the wastewater and the tar ammonia water are sent to the subsequent process for treatment, excessive pipelines are not needed, the implementation is easy, and the investment cost is low; waste water can obtain preliminary treatment at mechanized settling tank, and the contrast is directly sent the waste water treatment station to be handled, changes purification treatment, and whole processing technology is succinct, and the flow is shorter.
Drawings
Fig. 1 is a block diagram of a preferred embodiment of the present invention.
Wherein: 1. a gas collecting pipe; 2. an air intake duct; 3. a tar box; 4. a waste water pump; 5. a waste pipe; 6. a tar pipe; 7. an ammonia still; 8. ammonia distillation wastewater pump; 9. a wastewater biochemical treatment station; 10. a mechanized clarifying tank; 11. an ammonia tank; 12. an ammonia pump; 13. and a wastewater collection tank.
Detailed Description
In order to make the above objects, control system and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1, a coke oven basement wastewater treatment device comprises a tar box 3, a wastewater collection tank 13, a mechanical clarifying tank 10 and an ammonia water tank 11; wherein: the wastewater collection tank 13 is connected with the tar box 3 through a first pipeline, and a wastewater pump 4 is installed on the first pipeline; the tar box 3 is connected with a mechanical clarifying tank 10 through an air suction pipe 2, the outlet of the mechanical clarifying tank 10 is connected with the inlet of an ammonia water tank 11 through a second pipeline, the outlet of the ammonia water tank 11 is respectively connected with a coke oven cooling crude gas port and an ammonia still 7 through a third pipeline, and an ammonia water pump 12 is installed on the third pipeline; the ammonia still 7 is connected with a wastewater biochemical treatment station 9 through a fourth pipeline; an ammonia evaporation wastewater pump 8 is arranged on the fourth pipeline; the tar box 3 is connected with a gas collecting pipe 1; and a waste water pipe 5 is connected to the waste water collecting tank 13. The mechanical clarifying tank 10 is connected with a tar pipe 6.
As a preferred embodiment: can establish linkage between wastewater collection groove liquid level and the waste water pump, through set up level sensor in wastewater collection groove promptly, connect level sensor and controller, controller and waste water pump are connected, can realize liquid level automatic control, automatic drainage. Since the liquid level control technology belongs to the known technology, the details are not described herein;
the position of the wastewater entering the tar box is at a tar box cleaning opening, and the wastewater can also enter the tar box through an upper opening alone.
The amount of the waste water is far less than that of the tar ammonia water of the whole coke oven, and the tar ammonia water and the subsequent treatment process are not influenced.
The waste water produced by the coke oven mainly comprises: the method is characterized in that the method comprises the following steps of (1) condensing water in pipelines of coke oven gas and blast furnace gas, sealing water in a water seal of a riser, condensing water in steam, cooling water in equipment, cleaning wastewater and the like, wherein the wastewater produced by a coke oven is completely led to a basement wastewater collecting tank 13 of the coke oven through a wastewater pipe 5, and the wastewater completely flows to the basement wastewater collecting tank 13 without a pump due to height difference. A waste water pump 4 is arranged beside a waste water collecting tank, a pipeline is arranged from the waste water pump to a coke oven tar box 3, the waste water in the waste water collecting tank 13 is conveyed to the tar box 3 by the waste water pump 4, the waste water is mixed with tar and ammonia water produced by a coke oven and flows to a coke oven air suction pipe 2 at the tail end of the air suction pipe 2, the crude gas in the air suction pipe is conveyed to the next purification and recovery process, the liquid mixture of the waste water, the tar and the ammonia water flows to a mechanical clarifying tank 10, the waste water, the ammonia water and the tar are layered in the mechanical clarifying tank 10, the tar is conveyed to a tar storage through a tar pipe 6, the mixed liquid of the waste water and the ammonia water flows to an ammonia water tank 11, a part of the ammonia water is conveyed to a coke oven for cooling the crude gas by an ammonia water pump 12, the other part of the ammonia water is conveyed to an ammonia still 7 for processing, the ammonia is recycled after being evaporated, the ammonia is conveyed to a waste water biochemical processing station by an ammonia evaporation waste water pump 8, and is discharged to reach the standard after being biochemically processed.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A coke oven basement wastewater treatment device, which comprises a wastewater collection tank (13); it is characterized by also comprising a tar box (3), a mechanical clarifying tank (10) and an ammonia water tank (11); wherein: the wastewater collection tank (13) is connected with the tar box (3) through a first pipeline, and a wastewater pump (4) is mounted on the first pipeline; the tar box (3) is connected with a mechanical clarifying tank (10) through an air suction pipe (2), the outlet of the mechanical clarifying tank (10) is connected with the inlet of an ammonia water tank (11) through a second pipeline, the outlet of the ammonia water tank (11) is respectively connected with a coke oven cooling crude gas port and an ammonia still (7) through a third pipeline, and an ammonia water pump (12) is installed on the third pipeline; the ammonia still (7) is connected with a wastewater biochemical treatment station (9) through a fourth pipeline; an ammonia distillation wastewater pump (8) is arranged on the fourth pipeline; the tar box (3) is connected with a gas collecting pipe (1).
2. The coke oven basement wastewater treatment plant of claim 1, wherein: and a waste water pipe (5) is connected to the waste water collecting tank (13).
3. The coke oven basement wastewater treatment plant of claim 1, wherein: the mechanical clarifying tank (10) is connected with a tar pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581765.1U CN218539459U (en) | 2022-09-28 | 2022-09-28 | Coke oven basement waste water treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222581765.1U CN218539459U (en) | 2022-09-28 | 2022-09-28 | Coke oven basement waste water treatment equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218539459U true CN218539459U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222581765.1U Active CN218539459U (en) | 2022-09-28 | 2022-09-28 | Coke oven basement waste water treatment equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN218539459U (en) |
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2022
- 2022-09-28 CN CN202222581765.1U patent/CN218539459U/en active Active
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