CN214663716U - Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank - Google Patents
Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank Download PDFInfo
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- CN214663716U CN214663716U CN202023144437.2U CN202023144437U CN214663716U CN 214663716 U CN214663716 U CN 214663716U CN 202023144437 U CN202023144437 U CN 202023144437U CN 214663716 U CN214663716 U CN 214663716U
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- Prior art keywords
- pipeline
- valve
- fuel gas
- gas tank
- nitrogen
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- 239000002737 fuel gas Substances 0.000 title claims abstract description 54
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 12
- 239000011593 sulfur Substances 0.000 title claims abstract description 12
- 238000007599 discharging Methods 0.000 title description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 64
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 23
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 18
- 239000011521 glass Substances 0.000 claims description 14
- 239000005864 Sulphur Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 10
- 238000012856 packing Methods 0.000 description 7
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a sulfur-containing fuel gas tank bottom condensate draining pipeline system, which comprises a fuel gas tank, a main pipeline and a nitrogen pipeline; the fuel gas tank bottom is connected with the main pipeline, is provided with first valve on the main pipeline, is connected with the nitrogen gas pipeline on the main pipeline, and the nitrogen gas pipeline is located between fuel gas jar and the first valve with the contact of main pipeline, is provided with the fifth valve on the nitrogen gas pipeline. The tank bottom of the fuel gas tank can be backwashed by additionally arranging a nitrogen pipeline and a first valve on the main pipeline and arranging a fifth valve on the nitrogen pipeline.
Description
Technical Field
The utility model relates to a chemical industry technical field especially relates to a contain sulphur fuel gas tank bottoms row and congeal pipeline system.
Background
The fuel gas tank for the aromatic hydrocarbon factory contains sulfur in fuel gas, so that the fuel gas tank falls into the bottom of the tank after a foam breaking net on the top of the fuel gas tank is corroded and damaged, and the tank bottom is led to be drenched and blocked. When the condensation is required to be discharged, the operation is not possible. And the liquid in the fuel gas tank is brought into a fuel gas system of the heating furnace, so that the risks of furnace closing and flash explosion of the heating furnace are caused, and the risk is very high.
SUMMERY OF THE UTILITY MODEL
To prior art not enough, the utility model aims at providing a contain sulphur fuel gas tank bottoms row and congeal pipeline system through set up nitrogen pipeline and sight glass on being responsible for the line, when getting through the tank bottoms row flow of closing up, finds that there is impurity in the sight glass, and available nitrogen gas back flush tank bottoms makes row to congeal and go on smoothly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a condensate draining pipeline system at the bottom of a sulfur-containing fuel gas tank comprises a fuel gas tank, a main pipeline and a nitrogen pipeline; the fuel gas tank bottom is connected with the main pipeline, is provided with first valve on the main pipeline, is connected with the nitrogen gas pipeline on the main pipeline, and the nitrogen gas pipeline is located between fuel gas jar and the first valve with the contact of main pipeline, is provided with the fifth valve on the nitrogen gas pipeline.
Furthermore, a sight glass is arranged on the main pipeline.
Further, a filter is connected to the main pipeline and is located at the downstream of the sight glass.
Furthermore, valves are arranged on two sides of the filter.
Furthermore, an auxiliary pipeline is connected to the main pipeline, the auxiliary pipeline is connected with the filter and the valves on the two sides of the filter in parallel, and a second valve is arranged on the auxiliary pipeline.
Furthermore, a third valve is arranged on the main pipeline and is close to the bottom of the fuel gas tank.
Furthermore, the main pipeline is connected with a close packing system, the close packing system is positioned at the downstream of the filter, and a fourth valve is arranged on the main pipeline and is close to the close packing system.
Furthermore, a check valve is further arranged on the nitrogen pipeline and located at the upstream of the fifth valve, and the fifth valve is a stop valve.
According to the control method of the sulfur-containing fuel gas tank bottom condensate draining pipeline system, when the existence of impurities in the sight glass is found, the first valve and the second valve are closed, the third valve is opened, the fifth valve on the nitrogen pipeline is opened to back flush the fuel gas tank, the fifth valve on the nitrogen pipeline is closed after the fifth valve on the nitrogen pipeline is back flushed for a period of time, and then the first valve, the fourth valve and the valves on the two sides of the filter are opened.
Further, the control method further comprises isolating the filter; closing the valves at the two sides of the filter, and opening a second valve; the filter is disassembled, cleaned and then reinstalled and reset.
Compared with the prior art, the utility model beneficial effect be:
the application provides a sulfur-containing fuel gas tank bottom condensate draining pipeline system, which comprises a fuel gas tank, a main pipeline and a nitrogen pipeline; the fuel gas tank bottom is connected with the main pipeline, is provided with first valve on the main pipeline, is connected with the nitrogen gas pipeline on the main pipeline, and the nitrogen gas pipeline is located between fuel gas jar and the first valve with the contact of main pipeline, is provided with the fifth valve on the nitrogen gas pipeline. The tank bottom of the fuel gas tank can be backwashed by additionally arranging a nitrogen pipeline and a first valve on the main pipeline and arranging a fifth valve on the nitrogen pipeline.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1. fuel gas tank, 2, main pipeline, 3, sight glass, 4, nitrogen gas pipeline, 5, first valve, 6, filter, 7, auxiliary pipeline, 8, second valve, 9, third valve, 10, fourth valve, 11, close-packed system, 12, fifth valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
As shown in fig. 1, a sulfur-containing fuel gas tank bottom condensate draining pipeline system comprises a fuel gas tank 1, a main pipeline 2, a viewing mirror 3 and a nitrogen pipeline 4; main line 2 is arranged in carrying out the row of congealing to the overstock in the fuel gas tank 1, main 2 one end of line is connected with 1 bottom of fuel gas tank, the other end is connected with dense system 11, be connected with first valve 5 and sight glass 3 on the main line 2, sight glass 3 is the pipeline sight glass, first valve 5 is located between fuel gas tank 1 and the sight glass 3, be connected with nitrogen gas pipeline 4 on the main line 2, nitrogen gas pipeline 4 is located between fuel gas tank 1 and first valve 5 with the contact of main line 2, be provided with check valve and fifth valve 12 on the nitrogen gas pipeline 4, fifth valve 12 is close to main line 2. The fifth valve 12 in this embodiment is a shut-off valve.
It should be noted that the nitrogen line 4 in the above-described embodiment may flush the fuel gas tank 1. When the process of close packing at the bottom of the tank is opened, the viewing mirror 3 is found to have impurities, and the bottom of the tank can be back flushed by nitrogen, so that the condensation can be smoothly discharged.
It should be noted that the sight glass 3 in the above technical solution can be arranged at any position on the main pipeline 2.
A filter 6 is connected to the main line 2, the filter 6 being located downstream of the mirror 3. Valves are arranged on two sides of the filter 6, an auxiliary pipeline 7 is connected to the main pipeline 2, the auxiliary pipeline 7 is connected with the filter 6 and the valves on two sides of the filter 6 in parallel, and a second valve 8 is arranged on the auxiliary pipeline 7.
The main pipeline 2 is provided with a third valve 9, the third valve 9 is far away from the nitrogen pipeline 4 and close to the bottom of the fuel gas tank 1, the main pipeline 2 is provided with a fourth valve 10, and the fourth valve 10 is positioned at the downstream of the filter 6 and close to the close packing system 11.
It should be noted that, when the fuel gas tank 1 normally performs the accumulated liquid discharging operation, the accumulated liquid does not pass through the filter 6, and the accumulated liquid is discharged to the close packing system 11 through the auxiliary line 7. The filter 6 is used only after nitrogen back flushing of the fuel gas tank 1, and when the flushing of the fuel gas tank 1 is finished and there is no impurity in the main line 2, the filter 6 is not used.
The control method of the bottom discharge condensation pipeline system of the sulfur-containing fuel gas tank 1 comprises the following steps:
opening the first valve 5, the second valve 8, the third valve 9 and the fourth valve 10, closing the fifth valve 12 and the valves at the two sides of the filter 6, and performing condensation removing operation on accumulated liquid at the bottom of the fuel gas tank 1;
when the impurities exist in the site view mirror 3, the first valve 5 and the second valve 8 are closed, the third valve 9 is opened, and the fifth valve 12 on the micro-opening nitrogen pipeline 4 backflushs the fuel gas tank 1. Note that the pressure of the fuel gas tank 1 and the pressure control valve are normally used. The pressure of the fuel gas tank 1 is ensured to be 0.3-0.4 MPa. After backwashing for 5 minutes, the fifth valve 12 on the nitrogen pipeline 4 is closed, and then the third valve 9, the first valve 5, the fourth valve 10 and the valves at the two sides of the filter 6 are opened, so that the impurities are discharged into the filter 6. After the discharge of the impurities is finished, isolating the filter 6, closing the valves at the two sides of the filter 6 and opening the second valve 8; the filter 6 is disassembled, cleaned and then reinstalled and reset.
The embodiment of the utility model has the advantages of compare with prior art:
1. the nitrogen pipeline 4 is arranged on the main pipeline 2, so that the bottom of the fuel gas tank 1 can be backwashed;
2. through set up sight glass 3 on main line 2, when getting through tank bottoms close packing flow, can in time discover the impurity in sight glass main line 2, in time utilize nitrogen gas recoil fuel gas pitcher 1 bottom, make the row condense go on smoothly. The impurities in the main pipeline 2 can be monitored in real time;
3. the impurity after the nitrogen back flush can be filtered by arranging the filter 6, so that the condensation discharge can be smoothly carried out.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a contain sulphur fuel gas tank bottoms row and congeal pipeline system which characterized in that: comprises a fuel gas tank, a main pipeline and a nitrogen pipeline; the fuel gas tank bottom is connected with the main pipeline, is provided with first valve on the main pipeline, is connected with the nitrogen gas pipeline on the main pipeline, and the nitrogen gas pipeline is located between fuel gas jar and the first valve with the contact of main pipeline, is provided with the fifth valve on the nitrogen gas pipeline.
2. The sulfur-containing fuel gas canister bottom drainage line system of claim 1, wherein: the main pipeline is provided with a sight glass.
3. The sulfur-containing fuel gas canister bottom drainage line system of claim 1, wherein: and a third valve is arranged on the main pipeline and is close to the bottom of the fuel gas tank.
4. The sulfur-containing fuel gas canister bottom drainage line system of claim 1, wherein: and a check valve is also arranged on the nitrogen pipeline and is positioned at the upstream of the fifth valve, and the fifth valve is a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144437.2U CN214663716U (en) | 2020-12-23 | 2020-12-23 | Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023144437.2U CN214663716U (en) | 2020-12-23 | 2020-12-23 | Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214663716U true CN214663716U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023144437.2U Active CN214663716U (en) | 2020-12-23 | 2020-12-23 | Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524486A (en) * | 2020-12-23 | 2021-03-19 | 大连福佳·大化石油化工有限公司 | Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank |
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2020
- 2020-12-23 CN CN202023144437.2U patent/CN214663716U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524486A (en) * | 2020-12-23 | 2021-03-19 | 大连福佳·大化石油化工有限公司 | Condensate discharging pipeline system at bottom of sulfur-containing fuel gas tank |
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