CN218665903U - Water seal device for discharging liquid under coal gas - Google Patents
Water seal device for discharging liquid under coal gas Download PDFInfo
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- CN218665903U CN218665903U CN202222489308.XU CN202222489308U CN218665903U CN 218665903 U CN218665903 U CN 218665903U CN 202222489308 U CN202222489308 U CN 202222489308U CN 218665903 U CN218665903 U CN 218665903U
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- water seal
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Abstract
The utility model discloses a liquid water seal arrangement under coal gas, including the water seal buffer tank to coke oven gas water seal, the rear end of water seal buffer tank is provided with the water seal arrangement who collects oil and naphthalene impurity, is provided with the water seal chamber of a plurality of intercommunications in the water seal arrangement, is provided with the steam pipe that can prevent that miscellaneous heap such as oil and naphthalene in the coke oven gas from blockking up in its bottom in the water seal chamber, is provided with the liquid suction pipe that is used for extracting impurity liquid in the water seal chamber, the utility model discloses the impurity that prevents in the coke oven gas that the device can be fine blocks up water seal arrangement, makes the water seal of coke oven gas have gas-liquid separation, safety and stability, advantage such as operation is reliable, under the prerequisite that satisfies coal gas pipe network safety, realizes gas-liquid separation, retrieves light tar and naphthalene's function, guarantees characteristics such as operation stability.
Description
Technical Field
The utility model relates to a coking gas water seal field, concretely relates to liquid water seal arrangement under coal gas.
Background
The function of coke oven gas water seal is mainly shown in the following two aspects: the device is used for collecting condensate in the coke oven gas to prevent the channel of conveying equipment or a pipeline from being blocked and ensure the continuous and stable conveying of the gas; secondly, utilize the liquid seal of the inside formation of water seal tank, prevent gas leakage, avoid taking place the potential safety hazard.
The components of the coke oven gas are complex, the condensate contains a large amount of easily-blocked substances such as tar, naphthalene and dust, the water seal bottom of the gas and the drainage pipeline are easily blocked (as shown in figure 2), and meanwhile, an operator hardly finds that once the blockage occurs, the gas condensate in the gas conveying equipment or the pipeline cannot be timely discharged, the gas condensate is accumulated in the gas conveying equipment or the pipeline, when the accumulated condensate reaches a certain amount, the channel of the gas conveying equipment or the pipeline is blocked, the accumulated liquid and resistance of a gas pipe network are increased, and the safe and stable conveying of the gas is affected.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing problems, the utility model provides a liquid water seal arrangement under coal gas.
The utility model discloses a realize through following technical scheme:
a water seal device for discharging liquid from coal gas comprises a water seal buffer tank for sealing the water seal of the coal gas, wherein the rear end of the water seal buffer tank is provided with a water seal device for collecting oil and naphthalene impurities, a plurality of communicated water seal chambers are arranged in the water seal device, a steam pipe capable of preventing the oil and the naphthalene impurities in the coke gas from accumulating at the bottom of the coke gas is arranged in each water seal chamber, and a liquid pumping pipe for pumping the impurity liquid is arranged in each water seal chamber.
Further optionally, the water seal chambers are separated by partition plates arranged in the water seal device, and the bottoms of the water seal chambers are communicated.
Further optionally, the steam pipe is provided with one of the water seal chambers and the bottom outlet extends below the water seal.
Further optionally, a water replenishing pipe is arranged in one of the water sealing chambers.
Further optionally, an explosion-proof cover plate is arranged on the top of one of the water seal chambers.
Further optionally, the water seal buffer tank and the water seal device are connected with a liquid discharge pipe.
Further optionally, the upper part of the water seal chamber at the tail end of the water seal device is connected with an air external discharge pipe.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses impurity that prevents among the coke oven gas that the device can be fine blocks up water seal arrangement, makes coke oven gas's water seal have advantages such as gas-liquid separation, safety and stability, operation are reliable, satisfying under the safe prerequisite of gas pipe network, realize gas-liquid separation, retrieve the function of light tar and naphthalene, guarantee characteristics such as operation stability.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a prior art block diagram;
in the figure: the device comprises a water seal buffer tank 1, a water pool 2, a water seal device 3, a partition plate 4, a water seal chamber 5, a liquid discharge pipe 6, an explosion-proof cover plate 7, a water replenishing pipe 8, a steam pipe 9, a liquid pumping pipe 10 and a gas outer discharge pipe 11.
Detailed Description
The invention will be described in further detail with reference to the following detailed description and accompanying drawings:
as shown in figure 1, the water sealing device for gas liquid drainage comprises a water sealing buffer tank 1 for water sealing coke oven gas, a water sealing device 3 for collecting oil and naphthalene impurities is arranged at the rear end of the water sealing buffer tank 1, a plurality of communicated water sealing chambers 5 are arranged in the water sealing device 3, steam pipes 9 capable of preventing oil and naphthalene impurities in the coke oven gas from accumulating at the bottom of the steam pipes are arranged in the water sealing chambers 5, and a liquid pumping pipe 10 for pumping impurity liquid is arranged in each water sealing chamber 5.
As shown in fig. 1, the plurality of water seal chambers 5 are partitioned by the partition plate 4 provided in the water seal device 3 and the bottoms of the water seal chambers are communicated with each other, so that the plurality of water seal chambers 5 can be communicated with each other, and the recovery amount of the condensate can be increased.
As shown in figure 1, the steam pipe 9 is arranged in one water sealing chamber 5, and the bottom outlet extends to the position below the liquid seal, so that the steam pipe 9 can heat and purge impurities at the bottom.
As shown in fig. 1, a water replenishing pipe 8 is arranged in one of the water seal chambers 5.
As shown in figure 1, the top of one water seal chamber 5 is provided with an explosion-proof cover plate 7, and the arranged explosion-proof cover plate 7 can prevent gas from accidents so as to destroy the whole water seal.
As shown in fig. 1, a drain pipe 6 is connected to the water seal surge tank 1 and the water seal device 3.
As shown in fig. 1, the upper part of the water sealing chamber 5 at the tail end of the water sealing device 3 is connected with a gas outer discharge pipe 11, and finally treated gas is conveyed to the next process for treatment through the gas outer discharge pipe 11.
The implementation principle of a water seal device under coal gas liquid is as follows: the coke oven gas enters the water seal buffer tank 1 for buffering and enters the water seal device 3 through the liquid discharge pipe 6, so that the flow of the coke oven gas entering the water seal device 3 is stable;
the coke oven gas entering the water sealing device 3 can collect condensed water through the water sealing chambers 5, impurities such as tar, naphthalene and the like in the coke oven gas are gathered at the bottoms of the water sealing chambers 5, meanwhile, steam pipes 9 connected into the boiler steam convey high-pressure steam to the bottoms of the water sealing chambers 5 which are mutually communicated, the tar, the naphthalene and the like are heated to prevent condensation and aggregation, the steam has a purging function, the tar, the naphthalene and the like are guaranteed to be uniformly diffused in the liquid in the water sealing chambers 5, when the tar and the naphthalene impurities are gathered to a certain amount (determined according to the actual situation on site), the liquid pumping pipe 10 can be started, a pump connected with the liquid pumping pipe 10 discharges the condensed water uniformly diffused in the water sealing chambers 5 and the impurities such as the tar and the naphthalene to a tar treatment system, the recycling of the tar and the naphthalene is realized, the continuous and stable operation of the water sealing device 3 is guaranteed, meanwhile, water can be replenished to the water sealing chambers 5 through the water replenishing pipes 8 when the impurity liquid is pumped, and the liquid sealing device 3 is prevented from being broken, and the effect that the liquid sealing cannot be sealed;
therefore, impurities in the coke oven gas can be well prevented from blocking the water seal device, the water seal of the coke oven gas has the advantages of gas-liquid separation, safety and stability, reliable operation and the like, the functions of gas-liquid separation and light tar and naphthalene recovery are realized on the premise of meeting the safety of a gas pipe network, and the operation stability is ensured.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a liquid water seal arrangement under coal gas, includes water seal buffer tank (1) to coke oven gas water seal, its characterized in that: the back end of the water seal buffer tank (1) is provided with a water seal device (3) for collecting oil and naphthalene impurities, a plurality of communicated water seal chambers (5) are arranged in the water seal device (3), steam pipes (9) capable of preventing oil and naphthalene impurities in the coke oven gas from accumulating at the bottom of the coke oven gas are arranged in the water seal chambers (5), and a liquid pumping pipe (10) for pumping impurity liquid is arranged in the water seal chambers (5).
2. The water seal device for gas liquid drainage according to claim 1, wherein: the water seal chambers (5) are separated by partition plates (4) arranged in the water seal device (3) and the bottoms of the water seal chambers are communicated.
3. The water seal device for gas drainage according to claim 1, wherein: the steam pipe (9) is provided with one water seal chamber (5) and the bottom outlet extends below the liquid seal.
4. The water seal device for gas drainage according to claim 3, wherein: one of the water sealing chambers (5) is internally provided with a water replenishing pipe (8).
5. The water seal device for gas drainage according to claim 4, wherein: the top of one of the water sealing chambers (5) is provided with an explosion-proof cover plate (7).
6. The water seal device for gas drainage according to claim 1, wherein: the water seal buffer tank (1) and the water seal device (3) are connected with a liquid discharge pipe (6).
7. The water seal device for gas drainage according to claim 6, wherein: the upper part of a water seal chamber (5) at the tail end of the water seal device (3) is connected with an air external discharge pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489308.XU CN218665903U (en) | 2022-09-20 | 2022-09-20 | Water seal device for discharging liquid under coal gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222489308.XU CN218665903U (en) | 2022-09-20 | 2022-09-20 | Water seal device for discharging liquid under coal gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218665903U true CN218665903U (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222489308.XU Active CN218665903U (en) | 2022-09-20 | 2022-09-20 | Water seal device for discharging liquid under coal gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218665903U (en) |
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2022
- 2022-09-20 CN CN202222489308.XU patent/CN218665903U/en active Active
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