CN210392227U - Anti-leakage floating roof tank - Google Patents
Anti-leakage floating roof tank Download PDFInfo
- Publication number
- CN210392227U CN210392227U CN201921011661.9U CN201921011661U CN210392227U CN 210392227 U CN210392227 U CN 210392227U CN 201921011661 U CN201921011661 U CN 201921011661U CN 210392227 U CN210392227 U CN 210392227U
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- liquid
- gas
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- floating roof
- port
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- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000012530 fluid Substances 0.000 claims abstract description 42
- 239000011344 liquid material Substances 0.000 claims abstract description 38
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000004146 energy storage Methods 0.000 claims description 13
- 230000001502 supplementing effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 abstract description 22
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000004134 energy conservation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 64
- 238000001802 infusion Methods 0.000 description 7
- 210000003437 trachea Anatomy 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 4
- 238000001704 evaporation Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A leakage-proof floating roof tank comprises a tank bottom, a tank wall which is integrally formed on the tank bottom and used for loading volatile liquid materials, a floating roof which is positioned in the tank wall and floats on the surface of the volatile liquid materials, a circle of first-stage seal is formed between the lower periphery of the floating roof and the tank wall, a circle of second-stage seal is formed between the upper periphery of the floating roof and the tank wall, a circle of annular space is formed between the first-stage seal and the second-stage seal, high-pressure barrier fluid which can ensure that the volatile liquid materials are not leaked and evaporated is filled in the annular space through a circulating liquid/gas filling/discharging mechanism arranged outside, and the pressure of the high-pressure barrier fluid is greater than the vapor pressure of the volatile liquid materials. The utility model discloses can the separation live any material loss to atmospheric all ways. The utility model discloses it is convenient to reform transform, and is with low costs, reduces discharging promptly and energy-conservation.
Description
Technical Field
The utility model relates to a floating roof tank. In particular to a leakage-proof floating roof tank.
Background
The floating roof tank is a device for storing liquid materials containing volatile gas and is provided with an outer floating roof tank and an inner floating roof tank.
As shown in fig. 1, the existing external floating roof tank includes a tank bottom 1 and a tank wall 2 integrally formed on the tank bottom 1, a floating roof 7 in the tank wall 2 is a floating roof floating on the surface of a liquid material 5, and floats up and down along with the input and output of the liquid material 5, an annular space is formed between the floating roof 7 and the tank wall 2, and a circle of first-stage seal 3 and a circle of second-stage seal 4 are respectively arranged on the lower part and the upper part of the annular space, so that the liquid material 5 in the tank is isolated from the atmosphere when the floating roof 7 floats up and down, thereby greatly reducing the evaporation loss of the liquid material 5 in the storage process.
As shown in fig. 2, the conventional inner floating roof tank is a floating roof tank having a roof 13, and the roof 13 capable of covering the upper end of the wall 2 is provided at the upper end of the wall 2 of the conventional outer floating roof tank. The tank top 13 of the inner floating roof tank is of a vault structure, so that the outer part of the inner floating roof tank is a vault, and the inner part of the inner floating roof tank is of a floating roof structure. Compared with an outer floating roof tank, the inner floating roof tank has the advantages that due to the fixed tank roof 13, invasion of wind, sand, rain, snow or dust can be effectively prevented, and the quality of the liquid material 5 is absolutely guaranteed. Meanwhile, the floating roof 7 floats on the liquid material 5, so that the liquid material 5 has no steam space, the evaporation loss is reduced, the air pollution is reduced, the fire and explosion risks are reduced, large-area combustion cannot be caused generally even if a fire disaster occurs, the liquid storage quality is easy to ensure, and the floating roof is particularly suitable for storing high-grade gasoline, jet fuel and toxic petrochemical products; and evaporation loss can be further reduced.
However, neither the outer or inner floating roof tank has a complete seal with the primary seal 3 and the secondary seal 4, and more or less leakage and evaporation of the liquid material 5 occurs.
Disclosure of Invention
The utility model aims to solve the technical problem that a prevent leaking floating roof jar that can ensure that the liquid material in the floating roof jar can not take place to leak and evaporate is provided.
The utility model adopts the technical proposal that: a leakage-proof floating roof tank comprises a tank bottom, a tank wall which is integrally formed on the tank bottom and used for loading volatile liquid materials, a floating roof which is positioned in the tank wall and floats on the surface of the volatile liquid materials, a circle of first-stage seal is formed between the lower periphery of the floating roof and the tank wall, a circle of second-stage seal is formed between the upper periphery of the floating roof and the tank wall, a circle of annular space is formed between the first-stage seal and the second-stage seal, high-pressure barrier fluid which can ensure that the volatile liquid materials are not leaked and evaporated is filled in the annular space through a circulating liquid/gas filling/discharging mechanism arranged outside, and the pressure of the high-pressure barrier fluid is greater than the vapor pressure of the volatile liquid materials.
The circulation fill and release liquid/gas mechanism including the energy storage tank of being equipped with high-pressure separation fluid as the pressure source in, be provided with fluid infusion/gas port, play liquid/gas port and liquid/gas return respectively on the jar wall of energy storage tank, wherein, fluid infusion/gas port pass through fluid infusion/trachea and connect outside confession liquid/gas device, play liquid/gas port run through play liquid/trachea the sealed intercommunication of second level the feed liquor/gas end of annular space for fill into high-pressure separation fluid to the annular space, it runs through liquid/trachea to return liquid/gas port the sealed intercommunication of second level the play liquid/gas end of annular space for retrieve many residual liquids/gas.
And a circulating pump or a fan is arranged on the liquid/air return pipe.
A leakage-proof floating roof tank comprises a tank bottom, a tank wall, a floating roof and a tank roof, wherein the tank wall is integrally formed on the tank bottom and used for loading materials containing volatile liquid, the floating roof floats on the surface of the volatile liquid in the tank wall, the tank roof is arranged at an upper port of the tank wall, a circle of first-stage seal is formed between the lower periphery of the floating roof and the tank wall, a circle of second-stage seal is formed between the upper periphery of the floating roof and the tank wall, a circle of annular space is formed between the first-stage seal and the second-stage seal, high-pressure barrier fluid capable of ensuring that the volatile liquid materials are not leaked and evaporated is filled in the annular space through a circulating liquid/gas filling and discharging mechanism arranged outside, and the pressure of the high-pressure barrier fluid is greater than the vapor pressure of the volatile liquid materials.
The circulation fill and release liquid/gas mechanism including the energy storage tank of being equipped with high-pressure separation fluid as the pressure source in, be provided with fluid infusion/gas port, play liquid/gas port and liquid/gas port back on the jar wall of energy storage tank respectively, wherein, fluid infusion/gas port connect outside confession liquid/gas device through fluid infusion/trachea, play liquid/gas port run through in proper order through play liquid/trachea the sealed intercommunication of tank deck and second level the feed liquor/gas end of annular space for fill high-pressure separation fluid into annular space, go back liquid/gas port and run through in proper order through liquid/trachea the sealed intercommunication of tank deck and second level go out liquid/gas end of annular space for retrieve many residual liquids/gas.
And a circulating pump or a fan is arranged on the liquid/air return pipe.
The utility model discloses a prevent leaking floating roof jar has following advantage:
1. in the storage tank, the liquid level of the volatile material is raised due to the temperature rise or is lowered due to the temperature drop (the material liquid does not have the wall hanging phenomenon) is commonly called as 'small breath'; or the liquid level of the volatile material is raised due to feeding or is lowered due to discharging (the material has no wall hanging phenomenon) is commonly called as 'big breath'; no leakage occurs.
2. In case that a very small amount of volatile VOCs gas escapes into the barrier fluid, it is just necessary to filter all the barrier fluid to collect 100% of all the VOCs gas that may escape, thereby improving the collection efficiency.
3. Blocking all paths by which any material escapes to the atmosphere.
4. Convenient modification and low cost.
5. Thus reducing emission and saving energy.
Drawings
FIG. 1 is a schematic structural view of an external floating roof tank of the prior art;
FIG. 2 is a schematic structural view of a prior art internal floating roof tank;
FIG. 3 is a schematic structural view of the leak-proof external floating roof tank of the present invention;
fig. 4 is a schematic structural view of the leak-proof inner floating roof tank of the present invention.
In the drawings
1. 101, 201: tank bottom 2, 102, 202: tank wall
3. 103, 203: first stage seal 4, 104, 204: second stage seal
5: volatile liquid material 14: high pressure barrier fluid
106. 206: annular space 107, 207: floating roof
108. 208: liquid/gas outlet pipe 109, 209: liquid/gas return pipe
1010. 2010: energy storage tanks 1011, 2011: circulating pump or fan
1012. 2012: fluid infusion/trachea 2013: tank top
10.1, 20.1: fluid replacement/gas port 10.2, 20.2: liquid/gas outlet
10.3, 20.3: liquid return/gas port
Detailed Description
The following provides a detailed description of a leak-proof floating roof tank according to the present invention with reference to the accompanying drawings.
As shown in fig. 3, the anti-leakage floating roof tank of the present invention comprises a tank bottom 101, a tank wall 102 integrally formed on the tank bottom 101 for loading the liquid material 5 containing the volatile gas, a floating roof 107 located in the tank wall 102 and floating on the surface of the volatile liquid material 5, a ring of first stage seals 103 is formed between the lower periphery of the floating roof 107 and the tank wall 102, a ring of second stage seals 104 is formed between the upper periphery of the floating roof 107 and the tank wall 102, a ring of annular space 106 is formed between the primary seal 103 and the secondary seal 104, the annular space 106 is filled with a high pressure barrier fluid 14 through an externally disposed liquid/gas circulating filling and discharging mechanism, which ensures that the volatile liquid material 5 does not leak and evaporate, and the pressure of the high pressure barrier fluid 14 is higher than the vapor pressure of the liquid material 5. So that volatile liquid material 5 within the tank wall 102 does not leak from the first stage seal 103 into the annular space 106. Meanwhile, a film body which takes the high-pressure barrier fluid 14 as a material component is formed between the first-stage seal 103 and the second-stage seal 104 and the tank wall 102, and the film body can prevent the volatile materials from escaping and prevent the volatile liquid 5 from being hung on the tank wall 102.
The circulating liquid/gas filling and discharging mechanism comprises an energy storage tank 1010 with high-pressure barrier fluid 14 (clean liquid or gas) as a pressure source, wherein a liquid/gas supplementing port 10.1, a liquid/gas outlet port 10.2 and a liquid/gas return port 10.3 are arranged on the tank wall of the energy storage tank 1010 respectively, the liquid/gas supplementing port 10.1 is connected with an external liquid/gas supply device through a liquid/gas supplementing pipe 1012, the liquid/gas outlet port 10.2 penetrates through a liquid/gas outlet pipe 108, a second-stage seal 104 is communicated with a liquid/gas inlet end of an annular space 106 and is used for filling the high-pressure barrier fluid 14 into the annular space 106, and the liquid/gas return port 10.3 penetrates through a liquid/gas return pipe 109, the second-stage seal 104 is communicated with the liquid/gas outlet end of the annular space 106 and is used for recovering multiple residual liquids/gases. A circulating pump or a fan 1011 is arranged on the liquid/air return pipe 109.
As shown in fig. 4, the anti-leakage floating roof tank of the present invention comprises a tank bottom 201, a tank wall 202 integrally formed on the tank bottom 201 for loading a liquid material 5 containing a volatile gas, a floating roof 207 located in the tank wall 202 and floating on the surface of the volatile liquid material 5, and a tank roof 2013 disposed at an upper end of the tank wall 202, a ring of first stage seals 203 is formed between the lower periphery of the floating roof 207 and the tank wall 202, a ring of second stage seals 204 is formed between the upper periphery of the floating roof 207 and the tank wall 202, a ring of annular space 206 is formed between the first stage seal 203 and the second stage seal 204, the annular space 206 is filled with a high pressure barrier fluid 14 by means of an externally disposed circulating charging/discharging liquid/gas mechanism which ensures that the volatile liquid material 5 does not leak and evaporate, the pressure of the high pressure barrier fluid 14 is greater than the vapor pressure of the volatile liquid feed 5. So that volatile liquid material 5 within the tank wall 202 does not leak from the first stage seal 203 into the annular space 206. Meanwhile, a film body which takes the high-pressure barrier fluid 14 as a material component is formed between the first-stage seal 203 and the second-stage seal 204 and the tank wall 202, and the film body can prevent the volatile materials from escaping and prevent the volatile liquid 5 from being hung on the tank wall 202.
The circulating liquid/gas filling and discharging mechanism comprises an energy storage tank 2010 filled with high-pressure barrier fluid 14 (clean liquid or gas) as a pressure source, the tank wall of the energy storage tank 2010 is respectively provided with a liquid supplementing/air port 20.1, a liquid discharging/air port 20.2 and a liquid returning/air port 20.3, wherein, the liquid supplementing/air port 20.1 is connected with an external liquid/air supplying device through a liquid supplementing/air pipe 2012, the liquid/gas outlet 20.2 sequentially penetrates through the tank top 2013 and the second-stage seal 204 through a liquid/gas outlet pipe 208 to be communicated with a liquid/gas inlet end of the annular space 206, the annular space 206 is filled with high-pressure barrier fluid 14, and the liquid/gas return port 20.3 sequentially penetrates through the tank top 2013 and the second-stage seal 204 through the liquid/gas return pipe 209 and is communicated with the liquid/gas outlet end of the annular space 206 for recovering multiple residual liquids/gases. A circulating pump or a fan 2011 is arranged on the liquid/air return pipe 209.
The utility model discloses a prevent leaking floating roof jar, pour into the clean liquid or the gas that are higher than volatile material vapor pressure in the annular space that is formed by the first order is sealed with the second level is sealed, make it be full of the inner wall and the sealed gap of two-stage that constitute the jar of annular space, and form the circulation state, be the separation fluid to this kind of highly compressed clean liquid or gas, in case take place to leak slightly and can supply at any time, can collect the volatile material in the circulation separation liquid/gas 100% when keeping normal operating condition constantly and handle, ensure that volatile material can not the polluted atmosphere.
The utility model discloses a prevent leaking floating roof jar: injecting high-pressure blocking fluid which is formed by clean liquid or gas and has pressure higher than the steam pressure of volatile liquid material into an annular space formed by the first-stage seal and the second-stage seal, so that the annular space and gaps between the inner wall of the tank at the periphery of the annular space and the two-stage seal are filled with the high-pressure blocking fluid, a circulating state is formed, and the high-pressure blocking fluid is used for preventing the volatile liquid material in the storage tank from rising the material level of the volatile material due to temperature rise or falling the material level of the volatile material liquid due to temperature fall (the material liquid does not have the wall hanging phenomenon) and is commonly called 'small breath'; or no matter the charge level of the volatile material is raised due to feeding or the charge level of the volatile material is lowered due to discharging (the material has no wall hanging phenomenon), which is commonly called as 'big breath', the leakage can not occur.
Claims (6)
1. A leak-proof floating roof tank comprising a tank bottom (101), a tank wall (102) formed integrally on the tank bottom (101) for containing a volatile liquid material (5), a floating roof (107) floating on the surface of the volatile liquid material (5) within the tank wall (102), a ring of first-stage seals (103) formed between the lower periphery of the floating roof (107) and the tank wall (102), a ring of second-stage seals (104) formed between the upper periphery of the floating roof (107) and the tank wall (102), a ring of annular spaces (106) formed between the first-stage seals (103) and the second-stage seals (104), characterized in that the annular spaces (106) are filled with a high-pressure barrier fluid (14) capable of ensuring that the volatile liquid material (5) does not leak and evaporate by means of an externally arranged circulating liquid/gas filling/discharging mechanism, the pressure of the high pressure barrier fluid (14) is greater than the vapour pressure of the volatile liquid feed (5).
2. A leak-proof floating roof tank as claimed in claim 1, wherein said circulating liquid/gas filling and discharging mechanism comprises an energy storage tank (1010) containing high-pressure barrier fluid (14) as a pressure source, said energy storage tank (1010) having a wall provided with a liquid/gas supplementing port (10.1), a liquid/gas outlet port (10.2) and a liquid/gas return port (10.3), wherein said liquid/gas supplementing port (10.1) is connected to an external liquid/gas supply device through a liquid/gas supplementing pipe (1012), said liquid/gas outlet port (10.2) is connected to a liquid/gas inlet of said annular space (106) through a liquid/gas outlet pipe (108) passing through said second stage seal (104) for filling the annular space (106) with the high-pressure barrier fluid (14), and said liquid/gas return port (10.3) is connected to a liquid outlet of said annular space (106) through said second stage seal (104) through a liquid/gas return pipe (109) Gas end for recovering the raffinate/gas.
3. A leak resistant floating roof tank according to claim 2, characterized in that the liquid/air return pipe (109) is provided with a circulating pump or fan (1011).
4. A leak-proof floating roof tank comprising a tank bottom (201), a tank wall (202) formed integrally on the tank bottom (201) for containing a volatile liquid material (5), a floating roof (207) floating on the surface of the volatile liquid material (5) within the tank wall (202), and a tank roof (2013) disposed at an upper end of the tank wall (202), a ring of first-stage seals (203) being formed between a lower periphery of the floating roof (207) and the tank wall (202), a ring of second-stage seals (204) being formed between an upper periphery of the floating roof (207) and the tank wall (202), a ring of annular spaces (206) being formed between the first-stage seals (203) and the second-stage seals (204), characterized in that the annular spaces (206) are filled with a high-pressure barrier fluid (14) capable of ensuring that the volatile liquid material (5) does not leak and evaporate by means of an externally disposed circulating liquid/gas filling mechanism, the pressure of the high pressure barrier fluid (14) is greater than the vapour pressure of the volatile liquid feed (5).
5. A leakproof floating roof tank as claimed in claim 4, wherein the circulating liquid/gas filling/discharging mechanism comprises an energy storage tank (2010) containing high-pressure barrier fluid (14) as a pressure source, the wall of the energy storage tank (2010) is provided with a liquid/gas supplementing port (20.1), a liquid/gas outlet port (20.2) and a liquid/gas return port (20.3), wherein the liquid/gas supplementing port (20.1) is connected with an external liquid/gas supply device through a liquid/gas supplementing pipe (2012), the liquid/gas outlet port (20.2) sequentially penetrates through the tank roof (2013) and a liquid/gas inlet port of the second-stage seal (204) to communicate with the annular space (206) through a liquid/gas outlet pipe (208) for filling the high-pressure barrier fluid (14) into the annular space (206), and the liquid/gas return port (20.3) sequentially penetrates through the tank roof (2013) and the second-stage seal (209) through a liquid/gas return pipe (209) A seal (204) communicates with the liquid/gas outlet end of the annular space (206) for recovering the raffinate/gas.
6. A leak resistant floating roof tank according to claim 5, characterized in that the liquid/air return pipe (209) is provided with a circulation pump or fan (2011).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011661.9U CN210392227U (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921011661.9U CN210392227U (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210392227U true CN210392227U (en) | 2020-04-24 |
Family
ID=70353664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921011661.9U Withdrawn - After Issue CN210392227U (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210392227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294221A (en) * | 2019-06-29 | 2019-10-01 | 天津长瑞大通流体控制系统有限公司 | A kind of anti-leak floating roof tank and the method for preventing leakage |
-
2019
- 2019-06-29 CN CN201921011661.9U patent/CN210392227U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110294221A (en) * | 2019-06-29 | 2019-10-01 | 天津长瑞大通流体控制系统有限公司 | A kind of anti-leak floating roof tank and the method for preventing leakage |
| CN110294221B (en) * | 2019-06-29 | 2024-03-12 | 天津长瑞大通流体控制系统有限公司 | Anti-leakage floating roof tank and anti-leakage method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240312 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200424 Effective date of abandoning: 20240312 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |