CN218066023U

CN218066023U - Liquid discharging system of gas cooler

Info

Publication number: CN218066023U
Application number: CN202221975248.6U
Authority: CN
Inventors: 袁雪莲; 李栋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-16
Anticipated expiration: 2032-07-28

Abstract

The utility model provides a liquid system under gas cooler relates to coke oven gas cooling arrangement technical field, has solved the easy technical problem who blocks up of liquid system under that exists among the prior art. The liquid discharging system of the gas cooler comprises a water seal circulation box, a circulation pump and a liquid discharging pipe, wherein a partition plate is arranged in the water seal circulation box, the water seal circulation box is divided into a water seal cavity and a circulation cavity by the partition plate, a distance is reserved between the top end of the partition plate and the top wall of the water seal circulation box, one end of the liquid discharging pipe is connected with the lower end of the cooler, the other end of the liquid discharging pipe penetrates into the water seal cavity, one end of the circulation pump is connected with the circulation cavity, and the other end of the circulation pump is connected with the cooler. The utility model discloses an interval of baffle upper end can overflow, and the circulating pump can be taken out from the mode of water seal circulation incasement liquid simultaneously and avoid the easy problem that is blockked up by condensation polymerization material of traditional water seal.

Description

Liquid discharging system of gas cooler

Technical Field

The utility model relates to a coke oven gas cooling arrangement technical field especially relates to a liquid system under gas cooler.

Background

Among the products produced in a coke-oven plant, there is a product called coke oven gas, in addition to coke. In the production of coke oven gas, the gas must be cooled for its purification and to save transport power. The purpose is to lower the temperature, remove impurities, reduce the volume and purify the product. Thus, a cooling device is produced. The gas cooler with the cooling water pipes transversely arranged and indirectly cooled becomes the first choice. This apparatus is used in a preceding process and is called a primary cooler. Referred to as primary cooler for short. The method is applied to the subsequent process, namely a final cooler, which is called as a final cooler for short. When the desulfurization cooling device is applied to a desulfurization section, the desulfurization cooling device is called a desulfurization cooler. The cooler, when in use, produces a large amount of condensed cooled polymeric material. However, the water-sealed tank adopted in the existing liquid discharging system is usually a slender cylinder, a liquid inlet extends into the cylinder, liquid carrying condensed and cooled polymer substances enters from the liquid inlet and is then discharged from the liquid outlet at the upper part of the cylinder, the problem of blockage of the condensed and cooled polymer substances exists in the water-sealed tank in the using process, the blockage of the liquid discharging system can cause the cooling efficiency of equipment to be reduced, and the temperature and the purification effect of coal gas cannot reach the standard; the condensate can overflow, so that the environment is polluted and the operation field is deteriorated; even the loss of the water sealing effect causes gas leakage, air pollution and unsafe factors.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid system under coal gas cooler has solved the technical problem that the liquid system easily blockked up of lower that exists among the prior art. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a liquid system under coal gas cooler, including water seal circulation case, circulating pump and downcomer, set up the baffle in the water seal circulation case, the baffle will water seal chamber and circulation chamber are separated into to the water seal circulation case, the top of baffle with the interval has between the roof of water seal circulation case, the lower extreme of cooler is connected to downcomer one end, and the other end is deep into the water seal intracavity, circulating pump one end is connected the circulation chamber, the other end is connected the cooler.

Preferably, the circulating pump is connected with the cooler through a spray pipe, a spray head at one end of the spray pipe extends into the cooler, and the other end of the spray pipe is connected with the circulating pump.

Preferably, the spray head is disposed proximate a top wall within the cooler.

Preferably, the cooler comprises an upper section cooling cavity and a lower section cooling cavity, wherein circulating water pipes are arranged in the upper section cooling cavity and the lower section cooling cavity, the height of the spray head is higher than that of the circulating water pipe, and a water spray opening of the spray head faces the circulating water pipe.

Preferably, the number of the water seal circulation boxes, the number of the circulating pumps and the number of the liquid discharging pipes are two, the two water seal circulation boxes are connected through a communicating pipe, the two circulating pumps are respectively connected to the upper section cooling cavity and the lower section cooling cavity, and the two liquid discharging pipes are respectively connected to the lower end positions of the upper section cooling cavity and the lower section cooling cavity.

Preferably, the down pipe extends to the position near the bottom wall in the water seal cavity.

Preferably, a diffusing pipe is further arranged on the water seal circulation box.

Preferably, the spraying device further comprises an outward conveying pipeline and an outward connecting pipeline which are arranged on the spraying pipe.

This application adopts above technical scheme, possesses following beneficial effect at least:

set up the baffle in water seal circulation case, have the interval between the roof of the top of baffle and water seal circulation case, so the liquid in the water seal intracavity can flow into the circulation intracavity in order to wait to use through the interval of top, and can not reduce the water level in the water seal intracavity and lead to the function inefficacy scheduling problem in water seal chamber when the liquid of extraction circulation intracavity, can also avoid water seal circulation case overflow simultaneously to block up and a series of problems that lead to.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a liquid discharging system of a gas cooler provided by the embodiment of the present invention.

In the figure 1, a water seal circulation box; 2. a circulation pump; 3. a liquid discharging pipe; 4. a partition plate; 5. a water seal cavity; 6. a circulation chamber; 7. spacing; 8. a cooler; 9. a shower pipe; 10. a spray head; 11. an upper section cooling chamber; 12. a lower section cooling chamber; 13. a circulating water pipe; 14. a communicating pipe; 15. a diffusing pipe; 16. an outgoing pipeline; 17 is externally connected with a pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The specific embodiment of the utility model provides a liquid system under coal gas cooler mainly includes water seal circulation case 1, circulating pump 2 and downcomer 3, and downcomer 3 is used for connecting cooler 8 and water seal circulation case 1, and water seal circulation case 1 is used for realizing the storage of water seal and liquid, and circulating pump 2 is used for the hydrologic cycle that stores in the water seal circulation case 1 to the cooler 8.

The water seal circulation box 1 is internally provided with a partition plate 4, the partition plate 4 divides the water seal circulation box 1 into a water seal cavity 5 and a circulation cavity 6, the water seal cavity 5 is communicated with the circulation cavity 6, the bottom and the side part of the partition plate 4 are both connected with the bottom wall and the side wall of the inner wall of the water seal circulation box 1, a distance 7 is formed between the top end of the partition plate 4 and the top wall of the water seal circulation box 1, the distance 7 can be one fifth to one third of the distance from the top wall to the bottom wall of the water seal circulation box 1, for example, the distance 7 is one fourth of the distance from the top wall to the bottom wall of the water seal circulation box 1, the height of the partition plate 4 is three fourths of the distance from the top wall to the bottom wall of the water seal circulation box 1, so that liquid in the water seal cavity 5 enters the circulation cavity 6 through the distance 7 at the upper end of the partition plate 4, one end of a lower liquid down pipe 3 is connected with the lower end of a cooler 8, the other end of the water seal cavity penetrates into the water seal cavity 5 deeply, so that the liquid in the cooler 8 can be drained into the water seal circulation cavity through the water seal circulation box 1, and the liquid can be pumped into the circulation cavity 2, and the circulation cavity, and the liquid in the circulation box 2, and the circulation cavity can be stored in the water seal cavity, and the circulation box, and the liquid can be stored in the water seal cavity, and the circulation box 2, and the circulation box, and the liquid can be stored in the circulation box, and the circulation box 2, and the water seal cavity, and the circulation box can be stored in the circulation box, and the circulation box 2, and the water can be used in the circulation box, and the water can be stored in the water seal cavity. Finally, the water sealing effect can be ensured, the clogging can be avoided through the liquid through the larger channel with the interval 7 at the upper end of the partition plate 4, and the clogging of the water sealing circulation box 1 can be further avoided through the arrangement of the circulation pump 2.

In order to guarantee the water sealing effect of the water sealing cavity 5, the liquid discharging pipe 3 extends into the water sealing cavity 5 to be close to the bottom wall, the water level in the water sealing cavity 5 is higher than the bottom end of the liquid discharging pipe 3, so that liquid can enter the water sealing cavity 5 from the liquid discharging pipe 3, meanwhile, gas cannot enter the water sealing cavity 5, and the water sealing effect is achieved.

In the application, a circulating pump 2 is connected with a cooler 8 through a spraying pipe 9, a nozzle 10 at one end of the spraying pipe 9 extends into the cooler 8, the nozzle 10 is used for realizing a spraying effect, the nozzle 10 can be in a perforation form arranged on the spraying pipe 9, the number of perforations on the pipe body of the spraying pipe 9 is arranged along the length direction of the pipe body as required, the other end of the spraying pipe 9 is connected with the circulating pump 2, when the circulating pump 2 is started, liquid in a circulating cavity 6 is pumped into the spraying pipe 9 through the circulating pump 2 and is sprayed out from the nozzle 10, the sprayed liquid is sprayed onto a circulating water pipe 13 in the cooler 8, low-temperature water passes through the circulating water pipe 13, high-temperature coke oven gas passes through the cooler 8, impurities and the like carried in the high-temperature coke oven gas can be bonded on the circulating water pipe 13 in the cooling process of the high-temperature coke oven gas, the spraying effect of the nozzle 10 can be washed down, the washed liquid carries condensed polymeric substances, and then enters a water sealing cavity 5 from a liquid discharging pipe 3.

The spray head 10 is disposed near the top wall in the cooler 8, and sprays the flushing circulation pipe 13 from the top.

The cooler 8 may be a multi-layer cooling cavity device, and the cooler 8 in the present application shown in fig. 1 includes an upper cooling cavity 11 and a lower cooling cavity 12, wherein the upper cooling cavity 11 and the lower cooling cavity 12 are both provided with circulating water pipes 13, and the temperature of the cooling water introduced into the circulating water pipes 13 may be different, for example, circulating water circulating at normal temperature in the circulating water pipes 13 in the upper cooling cavity 11 is used to realize preliminary cooling of high-temperature coke oven gas, and circulating water circulating at low temperature in the circulating water pipes 13 in the lower cooling cavity 12 is used to further cool the coke oven gas, the height of the spray head 10 is higher than that of the circulating water pipes 13, and the water spray port of the spray head 10 faces the circulating water pipes 13. The spray head 10 can spray directly onto the circulating water pipe 13.

Because the number of the cooling cavities is two or more, the gas cooler liquid discharging system also needs to be provided with a plurality of sets, for example, the number of the water seal circulation boxes 1, the number of the circulation pumps 2 and the number of the liquid discharging pipes 3 are two, and the two water seal circulation boxes 1 are connected through the communicating pipe 14, so that the balance of the liquid amount in the two systems can be kept to a certain degree. Two circulating pumps 2 are connected to the upper section cooling cavity 11 and the lower section cooling cavity 12 through the spray pipes 9, and two lower liquid pipes 3 are respectively connected to the lower end positions of the upper section cooling cavity 11 and the lower section cooling cavity 12.

In one embodiment, the system further comprises an external delivery pipeline 16 and an external pipeline 17 which are arranged on the spray pipe 9, the external delivery pipeline 16 can be used for discharging redundant liquid in the circulating system, the external delivery pipeline 16 is arranged on the spray pipe 9 on the lower section cooling cavity 12, the external pipeline 17 is arranged on the spray pipe 9 on the upper section cooling cavity 11, new liquid is supplemented through the external pipeline 17, for example, the circulating pump 2 at the corresponding position of the lower section cooling cavity 12 is started, liquid in the circulating cavity 6 is discharged, and after a certain amount of liquid is discharged, an external water source external source pump is arranged and connected on the external pipeline 17, and external liquid is pumped into the system.

And a diffusing pipe 15 is also arranged on the water seal circulating box 1 for exhausting internal gas.

In the present disclosure, the terms "one embodiment," "some embodiments," "example," "specific example," "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a coal gas cooler liquid drainage system, its characterized in that, includes water seal circulation case (1), circulating pump (2) and downcomer (3), set up baffle (4) in water seal circulation case (1), baffle (4) will water seal circulation case (1) is separated into water seal chamber (5) and circulation chamber (6), the top of baffle (4) with interval (7) have between the roof of water seal circulation case (1), the lower extreme of cooler (8) is connected to downcomer (3) one end, and the other end is deepened in water seal chamber (5), circulating pump (2) one end is connected circulation chamber (6), and the other end is connected cooler (8).

2. The gas cooler tapping system according to claim 1, wherein the circulating pump (2) is connected with the cooler (8) through a spray pipe (9), a spray head (10) at one end of the spray pipe (9) extends into the cooler (8), and the other end of the spray pipe (9) is connected with the circulating pump (2).

3. The gas cooler tapping system according to claim 2, wherein said spray head (10) is arranged close to a top wall inside said cooler (8).

4. The gas cooler tapping system according to claim 2, wherein the cooler (8) comprises an upper cooling chamber (11) and a lower cooling chamber (12), a circulating water pipe (13) is disposed in each of the upper cooling chamber (11) and the lower cooling chamber (12), the height of the spray head (10) is higher than the height of the circulating water pipe (13), and a water spray opening of the spray head (10) faces the circulating water pipe (13).

5. The gas cooler tapping system according to claim 4, wherein the number of the water-sealed circulation tanks (1), the number of the circulation pumps (2) and the number of the tapping pipes (3) are two, the two water-sealed circulation tanks (1) are connected by a communication pipe (14), the two circulation pumps (2) are respectively connected to the upper section cooling chamber (11) and the lower section cooling chamber (12), and the two tapping pipes (3) are respectively connected to the lower end positions of the upper section cooling chamber (11) and the lower section cooling chamber (12).

6. The gas cooler tapping system according to claim 1, wherein the tapping pipe (3) extends into the water-sealed chamber (5) close to the bottom wall.

7. The gas cooler tapping system according to claim 1, wherein a blow-off pipe (15) is further provided on the water-sealed circulation tank (1).

8. The gas cooler tapping system according to claim 2, further comprising an outgoing conduit (16) and an outgoing conduit (17) provided on the shower pipe (9).