CN110294221A - A kind of anti-leak floating roof tank and the method for preventing leakage - Google Patents
A kind of anti-leak floating roof tank and the method for preventing leakage Download PDFInfo
- Publication number
- CN110294221A CN110294221A CN201910582630.7A CN201910582630A CN110294221A CN 110294221 A CN110294221 A CN 110294221A CN 201910582630 A CN201910582630 A CN 201910582630A CN 110294221 A CN110294221 A CN 110294221A
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- liquid
- tank
- gas
- floating roof
- sealing
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Links
- 238000007667 floating Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000012530 fluid Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 230000004888 barrier function Effects 0.000 claims abstract description 41
- 239000011344 liquid material Substances 0.000 claims abstract description 38
- 239000000463 material Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000001802 infusion Methods 0.000 claims description 18
- 238000004146 energy storage Methods 0.000 claims description 13
- 230000003694 hair properties Effects 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 230000008020 evaporation Effects 0.000 claims description 4
- 230000000306 recurrent effect Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 64
- 238000010586 diagram Methods 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000003348 petrochemical agent Substances 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
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/34—Large containers having floating covers, e.g. floating roofs or blankets
- B65D88/42—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle
- B65D88/48—Large containers having floating covers, e.g. floating roofs or blankets with sealing means between cover rim and receptacle with fluid means acting on the seal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A kind of anti-leak floating roof tank and the method for preventing leakage, it include tank bottom, it is integrally formed in tank bottom and is used to load the tank skin containing volatile liquid material, the floating roof in volatile liquid surface of material is swum in tank skin, circle first order sealing is formed between the following peripheral and the tank skin of the floating roof, circle second level sealing is formed between the upper periphery and the tank skin of the floating roof, a circle annular space is formed between the first order sealing and second level sealing, the high pressure barrier fluid that can ensure that volatile liquid material is not leaked and evaporated is filled with by the way that external cycle charge discharge liquid/gas mechanism is arranged in the annular space, the pressure of the high pressure barrier fluid is greater than the vapour pressure of the volatile liquid material.The present invention can separate all approach that any material spills into atmosphere.It is convenient that the present invention is transformed, at low cost, i.e. emission reduction energy conservation again.
Description
Technical field
The present invention relates to a kind of floating roof tanks.More particularly to a kind of anti-leak floating roof tank and the method for preventing leakage.
Background technique
Floating roof tank is the device for storing the liquid material containing escaping gas, there is external floating top tank and internal floating roof tank.
As shown in Figure 1, existing external floating top tank includes tank bottom 1 and the tank skin 2 that is integrally formed in tank bottom 1, in tank skin 2
Floating roof 7 be the floating top cover swum on 5 surface of liquid material, with the input and output of liquid material 5 on float downward
It is dynamic, have an annular space between floating roof 7 and tank skin 2, this annular space it is lower on be respectively arranged with circle first order sealing 3
With a circle second level sealing 4, make pot liquid material 5 when floating roof 7 floats up and down and atmospheric isolation, to greatly reduce liquid
The evaporation loss of body material 5 during storage.
As shown in Fig. 2, existing internal floating roof tank is a kind of floating roof tank with tank deck 13, it is in existing external floating top tank
2 upper port of tank skin is provided with the tank deck 13 that can cover 2 upper port of tank skin.The tank deck 13 of internal floating roof tank is vault construction, so that
It is vault that internal floating roof tank, which is formed external, and inside is the structure of floating roof.Internal floating roof tank is compared with external floating top tank, because there is fixed tank
Top 13, can be effectively prevented the intrusion of wind, sand, sleet or dust, the quality of absolute guarantee's liquid material 5.Meanwhile floating roof 7 is floated
It floats on liquid material 5, makes liquid material 5 without the vapor space, reduce evaporation loss, reduce air pollution, reduce Fire explosion
Danger is easy to guarantee liquid storage quality, particularly suitable for storing advanced vapour even if fire, which occurs, not will cause large area burning generally
Oil and jet fuel and toxic petrochemicals；And evaporating loss can be further decreased.
But either external floating top tank or internal floating roof tank, first order sealing 3 and second level sealing 4 cannot all be accomplished
The leakage and evaporation of more or less liquid material 5, can also all occur in complete sealing.
Summary of the invention
The technical problem to be solved by the invention is to provide one kind can ensure that the liquid material in floating roof tank will not occur
Leakage and the anti-leak floating roof tank evaporated and the method for preventing leakage.
The technical scheme adopted by the invention is that: a kind of anti-leak floating roof tank includes tank bottom, is integrally formed in tank bottom
For loading the tank skin containing volatile liquid material, floating in volatile liquid surface of material is swum in tank skin
Top, be formed between the following peripheral and the tank skin of the floating roof circle first order sealing, the floating roof upper periphery with
It is formed with circle second level sealing between the tank skin, is formed with a ring shape between the first order sealing and second level sealing
Space, the interior cycle charge discharge liquid/gas mechanism by the way that outside is arranged in of the annular space, which has been filled with, can ensure volatile liquid
The pressure of the high pressure barrier fluid that material is not leaked and evaporated, the high pressure barrier fluid is greater than the volatile liquid material
Vapour pressure.
The cycle charge discharge liquid/gas mechanism includes the energy storage canister for being provided with high pressure barrier fluid as pressure source, institute
It states and is respectively arranged with fluid infusion/port on the tank skin of energy storage canister, go out liquid/gas mouth and return liquid/gas mouth, wherein the fluid infusion/port
External feed flow/device of air is connected by fluid infusion/tracheae, the liquid/gas mouth out is close through the second level by going out liquid/gas pipe
Envelope be connected to the annular space into liquid/gas end, for being filled with high pressure barrier fluid to annular space, described time liquid/gas mouth is logical
The liquid/gas end out that liquid/gas pipe is connected to the annular space through second level sealing is crossed go back to, for recycling extra liquid/gas body.
Circulation pump or fan is provided on described time liquid/gas pipe.
A kind of anti-leak floating roof tank, includes tank bottom, is integrally formed in tank bottom and contains volatile liquid for loading
The tank skin of material swims in the floating roof in volatile liquid surface of material in tank skin, and is arranged in the tank skin upper end
The tank deck of mouth is formed with circle first order sealing, in the upper of the floating roof between the following peripheral and the tank skin of the floating roof
It is formed with circle second level sealing between periphery and the tank skin, is formed with one between the first order sealing and second level sealing
Annular space is enclosed, the interior cycle charge discharge liquid/gas mechanism by the way that outside is arranged in of the annular space, which has been filled with, can ensure to volatilize
Property the liquid material high pressure barrier fluid that does not leak and evaporate, the pressure of the high pressure barrier fluid is greater than the volatile liquid
The vapour pressure of material.
The cycle charge discharge liquid/gas mechanism includes the energy storage canister for being provided with high pressure barrier fluid as pressure source, institute
It states and is respectively arranged with fluid infusion/port on the tank skin of energy storage canister, go out liquid/gas mouth and return liquid/gas mouth, wherein the fluid infusion/port
External feed flow/device of air is connected by fluid infusion/tracheae, the liquid/gas mouth that goes out sequentially passes through the tank by going out liquid/gas pipe
Top and the second level seal be connected to the annular space into liquid/gas end, it is described for being filled with high pressure barrier fluid to annular space
It returns liquid/gas mouth and sequentially passes through the liquid/gas out that the tank deck be connected to the second level sealing annular space by returning liquid/gas pipe
End, for recycling extra liquid/gas body.
Circulation pump or fan is provided on described time liquid/gas pipe.
A kind of method for preventing leakage of anti-leak floating roof tank: the annular formed is being sealed by first order sealing and the second level
Injection pressure is higher than the high pressure barrier fluid of volatile liquid material vapour pressure being made of clean liquid or gas in space, makes
High pressure barrier fluid is filled with the inner wall of the tank of the annular space and annular space periphery and the gap of two-stage sealing, and
Recurrent state is formed, prevents the volatile liquid material in storage tank either because temperature raising makes by high pressure barrier fluid
The charge level of volatile material rises or declines the charge level of volatile material liquid because temperature declines；Or either because into
Expect and increase the charge level of volatile material or decline the charge level of volatile material because of discharging, will not all let out
Leakage.
A kind of anti-leak floating roof tank of the invention and the method for preventing leakage, have the advantages that
1, in storage tank either because temperature increase and make volatile material liquid level rise or because temperature decline and
Volatile material liquid level decline (feed liquid is without wall built-up phenomenon) is set to be commonly called as " small breathing "；Or either make to volatilize because of charging
Property material liquid surface rise or so that volatile material liquid level decline (material is without wall built-up phenomenon) is commonly called as " big breathing " because of discharging；
It will not all leak.
2, just in case have minimal amount of volatility VOCs gas escape into barrier fluid even, as long as filtering is good all
Barrier fluid can 100% ground collect can dissipation of energy all VOCs gases, improve collection efficiency.
3, all approach that any material spills into atmosphere are separated.
4, transformation is convenient, at low cost.
5, i.e. emission reduction energy conservation again.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the external floating top tank of the prior art；
Fig. 2 is the structural schematic diagram of the internal floating roof tank of the prior art；
Fig. 3 is the structural schematic diagram of anti-leak external floating top tank of the present invention；
Fig. 4 is the structural schematic diagram of anti-leak internal floating roof tank of the present invention.
In figure
1,101,201: tank bottom 2,102,202: tank skin
3,103,203: first order sealing 4,104,204: second level sealing
5: volatile liquid material 14: high pressure barrier fluid
106,206: annular space 107,207: floating roof
108,208: going out liquid/gas pipe 109,209: returning liquid/gas pipe
1010,2010: energy storage canister 1011,2011: circulation pump or fan
1012,2012: fluid infusion/tracheae 2013: tank deck
10.1,20.1: fluid infusion/port 10.2,20.2: going out liquid/gas mouth
10.3,20.3: returning liquid/gas mouth
Specific embodiment
A kind of anti-leak floating roof tank of the invention and the method for preventing leakage are made below with reference to embodiment and attached drawing
It is described in detail.
As shown in figure 3, a kind of anti-leak floating roof tank of the invention, includes tank bottom 101, is integrally formed in tank bottom 101
For loading the tank skin 102 of the liquid material 5 containing escaping gas, volatile liquid object is swum in tank skin 102
Expect the floating roof 107 on 5 surfaces, circle first order sealing is formed between the following peripheral and the tank skin 102 of the floating roof 107
103, circle second level sealing 104, the first order are formed between the upper periphery and the tank skin 102 of the floating roof 107
It is formed with a circle annular space 106 between sealing 103 and second level sealing 104, passes through setting outside in the annular space 106
The cycle charge discharge liquid/gas mechanism in portion is filled with the high pressure barrier fluid that can ensure that volatile liquid material 5 is not leaked and evaporated
14, the pressure of the high pressure barrier fluid 14 is greater than the vapour pressure of the liquid material 5.To make the volatility in tank skin 102
Liquid material 5 will not seal 103 from the first order and leak into annular space 106.The first order sealing 103 and the second level simultaneously
The membrane body with high pressure barrier fluid 14 for material composition is formd between sealing 104 and the tank skin 102, this membrane body obstructs
Firmly the loss of volatile material also avoids volatile liquid 5 simultaneously and hangs on tank skin 102.
The cycle charge discharge liquid/gas mechanism includes to be provided with high pressure barrier fluid 14 (clean liquid or gas) conduct
The energy storage canister 1010 of pressure source is respectively arranged with fluid infusion/port 10.1 on the tank skin of the energy storage canister 1010, goes out liquid/gas mouth
10.2 and return liquid/gas mouth 10.3, wherein the fluid infusion/port 10.1 by fluid infusion/tracheae 1012 connect outside for liquid/gas
Device, described goes out liquid/gas mouth 10.2 by going out liquid/gas pipe 108 through the 104 connection annular space of second level sealing
106 into liquid/gas end, for being filled with high pressure barrier fluid 14 to annular space 106, described time liquid/gas mouth 10.3 by return liquid/
Tracheae 109 goes out liquid/gas end through the 104 connection annular space 106 of second level sealing, for recycling extra liquid/gas
Body.Circulation pump or fan 1011 is provided on described time liquid/gas pipe 109.
As shown in figure 4, a kind of anti-leak floating roof tank of the invention, includes tank bottom 201, is integrally formed in tank bottom 201
For loading the tank skin 202 of the liquid material 5 containing escaping gas, volatile liquid object is swum in tank skin 202
Expect the floating roof 207 on 5 surfaces, and the tank deck 2013 of 202 upper port of tank skin is set, in the next week of the floating roof 207
Circle first order sealing 203 is formed between side and the tank skin 202, in the upper periphery and the tank skin 202 of the floating roof 207
Between be formed with circle second level sealing 204, is formed with a ring between first order sealing 203 and second level sealing 204
Shape space 206, the interior cycle charge discharge liquid/gas mechanism by the way that outside is arranged in of annular space 206, which has been filled with, can ensure to wave
The high pressure barrier fluid 14 that hair property liquid material 5 is not leaked and evaporated, the pressure of the high pressure barrier fluid 14 are greater than described wave
The vapour pressure of hair property liquid material 5.To make the volatile liquid material 5 in tank skin 202 not seal 203 leakages from the first order
Into annular space 206.Formd between first order sealing simultaneously 203 and second level sealing 204 and the tank skin 202 with
High pressure barrier fluid 14 is the membrane body of material composition, this membrane body is to separate the loss of volatile material while also avoiding to wave
Hair property liquid 5 is hung on tank skin 202.
The cycle charge discharge liquid/gas mechanism includes to be provided with high pressure barrier fluid 14 (clean liquid or gas) conduct
The energy storage canister 2010 of pressure source is respectively arranged with fluid infusion/port 20.1 on the tank skin of the energy storage canister 2010, goes out liquid/gas mouth
20.2 and return liquid/gas mouth 20.3, wherein the fluid infusion/port 20.1 by fluid infusion/tracheae 2012 connect outside for liquid/gas
Device, the liquid/gas mouth 20.2 that goes out sequentially pass through the tank deck 2013 and second level sealing 204 by going out liquid/gas pipe 208
Be connected to the annular space 206 into liquid/gas end, for being filled with high pressure barrier fluid 14 to annular space 206, described time liquid/
Port 20.3 sequentially passes through the tank deck 2013 by time liquid/gas pipe 209 and is connected to the annular space with second level sealing 204
206 liquid/gas end out, for recycling extra liquid/gas body.Circulation pump or fan 2011 is provided on described time liquid/gas pipe 209.
A kind of anti-leak floating roof tank of the invention is sealed in the annular space formed and is infused by first order sealing and the second level
Enter to be higher than the clean liquid or gas of volatile material vapour pressure, it is made to be filled with the inner wall and two-stage for constituting the tank of annular space
The gap of sealing, and recurrent state is formed, it is barrier fluid the clean liquid or gas of this high pressure, once micro- leakage occurs can
To be supplemented at any time, the moment keeps that the volatilization in circulation barrier liquid/gas can be collected while normal operating condition with 100%
Property material is handled, it is ensured that volatile material will not pollute atmosphere.
A kind of anti-leak floating roof tank of the invention prevents leakage method: sealing and is formed by first order sealing and the second level
Annular space in injection pressure be higher than volatile liquid material vapour pressure be made of clean liquid or gas high pressure barrier
Fluid makes high pressure barrier fluid be filled with inner wall and the two-stage sealing of the tank of the annular space and annular space periphery
Gap, and recurrent state is formed, prevent the volatile liquid material in storage tank either because of temperature by high pressure barrier fluid
It increases and increase the charge level of volatile material or so that the charge level of volatile material liquid is declined (material liquid because temperature declines
Body is without wall built-up phenomenon) it is commonly called as " small breathing "；Or the charge level of volatile material is either made to rise or because go out because of charging
Expect and so that the charge level of volatile material is declined (material is without wall built-up phenomenon) and be commonly called as " big breathing ", will not all leak.
Claims (7)
1. a kind of anti-leak floating roof tank includes tank bottom (101), it is integrally formed in waving on tank bottom (101) for loading to contain
The tank skin (102) of hair property liquid material (5) is located at the floating roof swum on volatile liquid material (5) surface in tank skin (102)
(107), circle first order sealing (103) is formed between the following peripheral of the floating roof (107) and the tank skin (102),
Circle second level sealing (104), the first order are formed between the upper periphery and the tank skin (102) of the floating roof (107)
A circle annular space (106) is formed between sealing (103) and second level sealing (104), which is characterized in that the annular space
(106) the interior cycle charge discharge liquid/gas mechanism by the way that outside is arranged in, which has been filled with, can ensure that volatile liquid material (5) does not leak
It is greater than the volatile liquid material (5) with the pressure of the high pressure barrier fluid (14) of evaporation, the high pressure barrier fluid (14)
Vapour pressure.
2. a kind of anti-leak floating roof tank according to claim 1, which is characterized in that the cycle charge discharge liquid/gas mechanism
It include the energy storage canister (1010) for being provided with high pressure barrier fluid (14) as pressure source, on the tank skin of the energy storage canister (1010)
It is respectively arranged with fluid infusion/port (10.1), goes out liquid/gas mouth (10.2) and goes back to liquid/gas mouth (10.3), wherein the benefit liquid/gas
Mouthful (10.1) connect external feed flow/device of air by fluid infusion/tracheae (1012), it is described go out liquid/gas mouth (10.2) by go out liquid/
Tracheae (108) into liquid/gas end, is used for annular empty through second level sealing (104) the connection annular space (106)
Between (106) be filled with high pressure barrier fluid (14), described time liquid/gas mouth (10.3) by return liquid/gas pipe (109) run through described second
Grade sealing (104) is connected to the liquid/gas end out of the annular space (106), for recycling extra liquid/gas body.
3. a kind of anti-leak floating roof tank according to claim 2, which is characterized in that be arranged on described time liquid/gas pipe (109)
There are circulation pump or fan (1011).
4. a kind of anti-leak floating roof tank includes tank bottom (201), it is integrally formed in waving on tank bottom (201) for loading to contain
The tank skin (202) of hair property liquid material (5) is located at the floating roof swum on volatile liquid material (5) surface in tank skin (202)
(207), and setting the tank skin (202) upper port tank deck (2013), the floating roof (207) following peripheral with it is described
Circle first order sealing (203) is formed between tank skin (202), upper periphery and the tank skin (202) in the floating roof (207)
Between be formed with circle second level sealing (204), first order sealing (203) and the second level seal to be formed between (204)
One circle annular space (206), which is characterized in that by the way that external cycle charge discharge liquid/gas is arranged in the annular space (206)
Mechanism is filled with the high pressure barrier fluid (14) that can ensure that volatile liquid material (5) is not leaked and evaporated, the high pressure drag
The pressure of flow blocking body (14) is greater than the vapour pressure of the volatile liquid material (5).
5. a kind of anti-leak floating roof tank according to claim 4, which is characterized in that the cycle charge discharge liquid/gas mechanism
It include the energy storage canister (2010) for being provided with high pressure barrier fluid (14) as pressure source, on the tank skin of the energy storage canister (2010)
It is respectively arranged with fluid infusion/port (20.1), goes out liquid/gas mouth (20.2) and goes back to liquid/gas mouth (20.3), wherein the benefit liquid/gas
Mouthful (20.1) connect external feed flow/device of air by fluid infusion/tracheae (2012), it is described go out liquid/gas mouth (20.2) by go out liquid/
Tracheae (208) sequentially pass through the tank deck (2013) and the second level seal (204) be connected to the annular space (206) into
Liquid/gas end, for being filled with high pressure barrier fluid (14) to annular space (206), described time liquid/gas mouth (20.3) by return liquid/
Tracheae (209) sequentially passes through the tank deck (2013) and is connected to going out for the annular space (206) with second level sealing (204)
Liquid/gas end, for recycling extra liquid/gas body.
6. a kind of anti-leak floating roof tank according to claim 5, which is characterized in that be arranged on described time liquid/gas pipe (209)
There are circulation pump or fan (2011).
7. a kind of method for preventing leakage of anti-leak floating roof tank: empty sealing the annular formed by first order sealing and the second level
Interior injection pressure is higher than the high pressure barrier fluid of volatile liquid material vapour pressure being made of clean liquid or gas, makes height
Pressure barrier fluid is filled with the inner wall of the tank of the annular space and annular space periphery and the gap of two-stage sealing, and shape
At recurrent state, prevent the volatile liquid material in storage tank either because temperature raising makes to wave by high pressure barrier fluid
The charge level of hair property material rises or declines the charge level of volatile material liquid because temperature declines；Or either because of charging
And increase the charge level of volatile material or decline the charge level of volatile material because of discharging, it will not all leak.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582630.7A CN110294221B (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank and anti-leakage method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910582630.7A CN110294221B (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank and anti-leakage method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110294221A true CN110294221A (en) | 2019-10-01 |
| CN110294221B CN110294221B (en) | 2024-03-12 |
Family
ID=68029579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910582630.7A Active CN110294221B (en) | 2019-06-29 | 2019-06-29 | Anti-leakage floating roof tank and anti-leakage method |
Country Status (1)
| Country | Link |
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| CN (1) | CN110294221B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017426A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制***有限公司 | Zero leak fuel tank/transport canister for a vehicle and zero leak method |
| CN111017427A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制***有限公司 | Zero-leakage storage tank and zero-leakage method for volatile organic liquid and gas station |
| CN111320215A (en) * | 2019-12-31 | 2020-06-23 | 天津长瑞大通流体控制***有限公司 | Sewage pool without odor dissipation and dissipation prevention method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017426A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制***有限公司 | Zero leak fuel tank/transport canister for a vehicle and zero leak method |
| CN111017427A (en) * | 2019-12-31 | 2020-04-17 | 天津长瑞大通流体控制***有限公司 | Zero-leakage storage tank and zero-leakage method for volatile organic liquid and gas station |
| CN111320215A (en) * | 2019-12-31 | 2020-06-23 | 天津长瑞大通流体控制***有限公司 | Sewage pool without odor dissipation and dissipation prevention method |
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| CN110294221B (en) | 2024-03-12 |
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