CN219102706U - Gas holder air inlet guide device for LNG (liquefied Natural gas) preparation from coke oven gas - Google Patents
Gas holder air inlet guide device for LNG (liquefied Natural gas) preparation from coke oven gas Download PDFInfo
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- CN219102706U CN219102706U CN202222997865.2U CN202222997865U CN219102706U CN 219102706 U CN219102706 U CN 219102706U CN 202222997865 U CN202222997865 U CN 202222997865U CN 219102706 U CN219102706 U CN 219102706U
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Abstract
The utility model relates to an air inlet guide device of an air cabinet for preparing LNG (liquefied Natural gas) from coke oven gas, which comprises an air cabinet, wherein the two sides of the air cabinet are respectively fixedly connected with an air inlet device and an air outlet device, the air cabinet is internally provided with a guide device which is fixedly connected with the air inlet device, the guide device comprises a retarding mechanism and a turning mechanism, the retarding mechanism is fixedly connected with the turning mechanism, the retarding mechanism can slow down the air flow speed of the air inlet device for conveying the gas and reduce the impact force of the air flow, and the turning mechanism can change the flow direction of the air flow and does not directly exert acting force on the side plate of the air cabinet.
Description
Technical Field
The utility model relates to the technical field of gasholders, in particular to a gasholder air inlet guide device for preparing LNG from coke oven gas.
Background
In the LNG preparation process of the coke oven gas, firstly, the coke oven gas from the coking device enters a gas holder through a pipeline for buffering and storage, and then is sent to a screw compression and pre-purification section through a gas holder outlet main pipe, and the gas holder has the main function of storing a certain amount of coke oven gas from a coking plant, keeping the normal height of the gas holder and ensuring the stable inlet pressure of a screw compressor; when the coking gas supply is suddenly interrupted or the previous working procedure fails, the low-load operation or normal stop of the working procedure for a certain time can be ensured.
As shown in fig. 1, the coke oven gas from a general tar removal tower enters an inlet water seal (V62602), is stored in a dry gas holder (V62601), and then is sent to a coke oven gas compression station after passing through an outlet water seal (V62603). (gas holder volume: 20000m 3 ) However, in such a mode, after the gas enters the gas pipe, the gas flow speed is relatively high, and the gas directly impacts the side plate of the gas holder, meanwhile, because the side plate of the gas holder is more in welding lines and easy to corrode, the damage probability of the side plate of the gas holder is relatively high due to long-time impact, and the service life of the gas holder is short.
Disclosure of Invention
Therefore, the utility model provides the gas holder air inlet guide device for preparing LNG from coke oven gas, which aims to overcome the problems.
In order to achieve the above purpose, the utility model provides a gas holder air inlet guide device for preparing LNG from coke oven gas, which comprises a gas holder, wherein two sides of the gas holder are respectively fixedly connected with an air inlet device and an air outlet device, a guide device is arranged in the gas holder and is fixedly connected with the air inlet device, the guide device comprises a retarding mechanism and a direction changing mechanism, the retarding mechanism is fixedly connected with the direction changing mechanism, the retarding mechanism can slow down the air flow speed of the gas fed by the air inlet device, reduce the impact force of the air flow, and the direction changing mechanism can change the flow direction of the air flow and does not directly generate acting force on a side plate of the gas holder.
Further, the air inlet device comprises an air inlet pipe and an air inlet water seal, the air inlet water seal is fixedly arranged on the air inlet pipe, the air outlet device comprises an air outlet pipe and an air outlet water seal, and the air outlet pipe is fixedly provided with the air outlet water seal.
Further, the retarding mechanism comprises a connecting pipe, the connecting pipe is fixedly connected with the air inlet pipe, the connecting pipe is arranged in the gas holder, a plurality of buffer plates are fixed in the connecting pipe, and the buffer plates are fixed in the connecting pipe in a folding line mode.
Further, the retarding mechanism comprises a spiral pipe and a connecting pipe, the spiral pipe and the connecting pipe are arranged in the gas holder, the spiral pipe is fixedly connected with the connecting pipe, and the spiral pipe is fixedly connected with the air inlet pipe.
Further, the steering mechanism comprises a fixed plate and three connecting rods, wherein the three connecting rods are annularly and uniformly fixed on the output end of the connecting pipe, and the fixed plate is fixedly connected to the three connecting rods.
Further, the direction changing mechanism comprises an arc-shaped plate, and the arc-shaped plate is fixed at the top of the output end of the connecting pipe.
Further, the length of the buffer plate is greater than one half of the inner diameter of the connecting pipe and less than the inner diameter of the connecting pipe.
Further, the diameter of the fixing plate is larger than the inner diameter of the connecting pipe.
Compared with the prior art, the utility model has the beneficial effects that: through the retarding and turning functions of the flow guiding device, the air flow speed of the air inlet device for conveying the entering coal gas can be slowed down, the air flow impact force is reduced, meanwhile, the flowing direction of the air inlet device for conveying the entering coal gas can be changed, the side plate of the gas holder cannot be directly acted, the damage probability of the side plate of the gas holder is reduced, and the service cycle of the gas holder is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art structure according to the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
fig. 3 is a schematic view of a partial structure of an embodiment 1 of the retarding mechanism according to the present utility model;
fig. 4 is a schematic partial structure of an embodiment 2 of the retarding mechanism according to the present utility model;
FIG. 5 is a schematic view of a partial structure of an embodiment 1 of the steering mechanism according to the present utility model;
fig. 6 is a schematic partial structure of embodiment 2 of the direction changing mechanism according to the present utility model.
In the figure: the air chest 1, the guiding device 2, the connecting pipe 3, the buffer plate 4, the spiral pipe 5, the connecting rod 6, the fixing plate 7 and the arc-shaped plate 8.
Detailed Description
In order that the objects and advantages of the utility model will become more apparent, the utility model will be further described with reference to the following examples; 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.
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 2, the utility model discloses a gas holder air inlet guide device for preparing LNG from coke oven gas, which comprises a gas holder 1, wherein two sides of the gas holder 1 are respectively fixedly connected with an air inlet device and an air outlet device, a guide device 2 is arranged in the gas holder 1, the guide device 2 is fixedly connected with the air inlet device, the guide device 2 comprises a retarding mechanism and a turning mechanism, the retarding mechanism is fixedly connected with the turning mechanism, the retarding mechanism can slow down the air flow speed of the gas fed by the air inlet device, the air flow impact force is reduced, the turning mechanism can change the air flow direction, and the acting force is not directly generated on a side plate of the gas holder 1. The air inlet device comprises an air inlet pipe and an air inlet water seal, the air inlet water seal is fixedly arranged on the air inlet pipe, the air outlet device comprises an air outlet pipe and an air outlet water seal, and the air outlet water seal is fixedly arranged on the air outlet pipe.
Specifically, the output end of the air inlet device is directly connected with the flow guiding device 2, and the speed retarding mechanism and the direction changing mechanism are utilized to slow down the air flow speed of the gas which is conveyed by the air inlet device and is fed into the gas, reduce the impact force of the air flow, and change the flow direction of the air flow at the same time, so that the air flow which is conveyed by the air inlet device and is fed into the gas directly acts on the side plate of the gas holder 1
Referring to fig. 3, the retarding mechanism includes a connecting pipe 3, the connecting pipe 3 is fixedly connected with the air inlet pipe, the connecting pipe 3 is disposed in the gas holder 1, a plurality of buffer plates 4 are fixed in the connecting pipe 3, and the plurality of buffer plates 4 are fixed in the connecting pipe 3 in a fold line. The buffer plate 4 has a length greater than one half of the inner diameter of the connection pipe 3 and less than the inner diameter of the connection pipe 3.
Specifically, the retarding mechanism adopts a plurality of baffle plates 4 which are fixed in the connecting pipe 3 in a fold line mode, and air flows in the connecting pipe 3 in a fold line mode, so that the flowing speed can be slowed down, and the impact force of conveying the air flows is reduced.
Referring to fig. 4, the retarding mechanism includes a spiral tube 5 and a connecting tube 3, wherein the spiral tube 5 and the connecting tube 3 are disposed in the gas holder 1, the spiral tube 5 is fixedly connected with the connecting tube 3, and the spiral tube 5 is fixedly connected with the air inlet tube.
Specifically, the retarding mechanism adopts the spiral pipe 5 to be fixedly connected with the connecting pipe 3, and air flow forms spiral flow in the spiral pipe 5, so that the flow speed can be slowed down, and the impact force for conveying the air flow is reduced.
Referring to fig. 6, the steering mechanism includes a fixing plate 7 and three connecting rods 6, the three connecting rods 6 are annularly and uniformly fixed on the output end of the connecting pipe 3, and the fixing plate 7 is fixedly connected to the three connecting rods 6. The diameter of the fixing plate 7 is larger than the inner diameter of the connection pipe 3.
Specifically, the direction changing mechanism adopts the structure that the three connecting rods 6 are fixedly connected with the fixing plate 7, and the air flow flowing fixing plate 7 is used for blocking horizontal flowing by the fixing plate 7, so that air flows into the air cabinet 1 through gaps among the three connecting rods 6, and the flowing direction of the air flow can be changed.
Referring to fig. 6, the direction changing mechanism includes an arc plate 8, and the arc plate 8 is fixed on the top of the output end of the connecting pipe 3.
Specifically, the direction-changing mechanism adopts the structure that the arc-shaped plate 8 is fixed at the top of the output end of the connecting pipe 3, the flow direction of the air flow is changed into horizontal and downward flow by the arc-shaped plate 8, and the flow direction of the air flow can be changed locally.
In the actual use process, in the process that the gas is conveyed by the gas inlet pipe and flows through the gas inlet water seal and then enters the gas holder 1, the gas needs to pass through the flow guiding device 2 when entering the gas holder 1, so that the speed retarding mechanism can slow down the gas flow speed of the gas conveyed by the gas inlet device, reduce the impact force of the gas flow, and the direction changing mechanism can change the flow direction of the gas flow and does not directly generate acting force on the side plates of the gas holder 1.
The retarding mechanism can adopt different modes according to actual demands:
in the embodiment 1 of the buffer mechanism, a plurality of buffer plates 4 can be fixed in the connecting pipe 3 in a fold line manner, and air flows in the connecting pipe 3 in a fold line manner, so that the flow speed can be slowed down, and the impact force of conveying the air flows can be reduced;
in the buffer mechanism embodiment 2, the spiral pipe 5 is fixedly connected with the connecting pipe 3, and the air flow forms spiral flow in the spiral pipe 5, so that the flow speed can be slowed down, and the impact force of the conveying air flow is reduced.
The direction changing mechanism can also adopt different modes according to actual demands:
in the embodiment 1 of the direction changing mechanism, three connecting rods 6 are annularly and uniformly fixed on the output end of the connecting pipe 3, the three connecting rods 6 are fixedly connected with a fixed plate 7, and the air flow at the position of the air flow fixed plate 7 is blocked by the fixed plate 7 to flow horizontally, so that the air flow flows into the gas holder 1 through gaps among the three connecting rods 6, and the flowing direction of the air flow can be changed;
in the deformation mechanism embodiment 2, the arc-shaped plate 8 can be adopted to be fixed at the top of the output end of the connecting pipe 3, the flow direction of the air flow is changed into horizontal and downward flow by the arc-shaped plate 8, and the flow direction of the air flow can be changed locally.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will be within the scope of the present utility model.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model; various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a gas holder for LNG is prepared to coke oven gas, includes the gas holder, gas holder both sides are fixedly connected with air inlet unit and air outlet unit respectively, its characterized in that, be equipped with guiding device in the gas holder, and guiding device and air inlet unit fixed connection, guiding device includes retarder mechanism and turning mechanism, retarder mechanism and turning mechanism fixed connection, retarder mechanism can slow down the air current velocity that air inlet unit carried into gas, reduces the air current impact force, turning mechanism can change the air current flow direction, does not directly produce effort to the curb plate of gas holder.
2. The gas holder air inlet guide device for preparing LNG from coke oven gas according to claim 1, wherein the air inlet device comprises an air inlet pipe and an air inlet water seal, the air inlet water seal is fixedly arranged on the air inlet pipe, the air outlet device comprises an air outlet pipe and an air outlet water seal, and the air outlet water seal is fixedly arranged on the air outlet pipe.
3. The gas holder air intake guiding device for LNG production from coke oven gas according to claim 2, wherein the retarding mechanism comprises a connecting pipe fixedly connected with the air intake pipe, and the connecting pipe is disposed in the gas holder, and a plurality of buffer plates are fixed in the connecting pipe and are fixed in the connecting pipe in a fold line.
4. The gas holder air intake guiding device for LNG production from coke oven gas according to claim 2, wherein the retarding mechanism comprises a spiral tube and a connecting tube, and the spiral tube and the connecting tube are disposed in the gas holder, the spiral tube is fixedly connected with the connecting tube, and the spiral tube is fixedly connected with the air inlet tube.
5. The gas holder air intake guiding device for preparing LNG from coke oven gas according to claim 3 or 4, wherein the direction changing mechanism comprises a fixed plate and three connecting rods, the three connecting rods are annularly and uniformly fixed on the output ends of the connecting pipes, and the fixed plate is fixedly connected to the three connecting rods.
6. The gas holder air intake guiding device for producing LNG from coke oven gas according to claim 3 or 4, wherein the direction changing mechanism comprises an arc plate, and the arc plate is fixed on the top of the output end of the connecting pipe.
7. A gas holder air intake guide device for producing LNG from coke oven gas according to claim 3, wherein the length of the buffer plate is greater than one half of the inner diameter of the connecting pipe and less than the inner diameter of the connecting pipe.
8. The gas holder air intake guiding device for LNG production from coke oven gas according to claim 5, wherein the diameter of the fixing plate is larger than the inner diameter of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997865.2U CN219102706U (en) | 2022-11-11 | 2022-11-11 | Gas holder air inlet guide device for LNG (liquefied Natural gas) preparation from coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222997865.2U CN219102706U (en) | 2022-11-11 | 2022-11-11 | Gas holder air inlet guide device for LNG (liquefied Natural gas) preparation from coke oven gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219102706U true CN219102706U (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222997865.2U Active CN219102706U (en) | 2022-11-11 | 2022-11-11 | Gas holder air inlet guide device for LNG (liquefied Natural gas) preparation from coke oven gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219102706U (en) |
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2022
- 2022-11-11 CN CN202222997865.2U patent/CN219102706U/en active Active
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