CN105691964A - Storage device for reducing volatilization and odor of mixed aromatic hydrocarbons - Google Patents
Storage device for reducing volatilization and odor of mixed aromatic hydrocarbons Download PDFInfo
- Publication number
- CN105691964A CN105691964A CN201610102597.XA CN201610102597A CN105691964A CN 105691964 A CN105691964 A CN 105691964A CN 201610102597 A CN201610102597 A CN 201610102597A CN 105691964 A CN105691964 A CN 105691964A
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- Prior art keywords
- storage
- tank
- nitrogen
- cover
- pipeline
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Classifications
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- 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
- B65D88/78—Large containers for use in or under water
-
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/30—Recovery of escaped vapours
-
- 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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/38—Means for reducing the vapour space or for reducing the formation of vapour within containers
- B65D90/44—Means for reducing the vapour space or for reducing the formation of vapour within containers by use of inert gas for filling space above liquid or between contents
Abstract
The invention discloses a storage device for reducing volatilization and odor of mixed aromatic hydrocarbons. A detection device is arranged in a storage bin. A storage tank comprises a tank body, a tank opening and a tank lid. A valve is arranged at the lower end of the interior of the tank opening. A groove is formed in the periphery of the tank opening. The tank opening is covered with the tank lid in a screwed mode, and the tank lid stretches into the groove. The storage bin is filled with nitrogen. A nitrogen exhaust pipeline is arranged at the top end of the storage bin. The tail end of the nitrogen exhaust pipeline is connected with a nitrogen back-feed pipeline through a fan, and the nitrogen back-feed pipeline is connected with the bottom of the storage bin. The middle portion of the nitrogen exhaust pipeline is further sleeved with a condensing device. The bottom of the portion, sleeved with the condensing device, of the pipeline is provided with a concave storage area. A feedback pipeline is arranged at the bottom of the storage area. The tail end of the feedback pipeline is fixed to the interior of the storage bin and provided with an electromagnetic valve. The detection device, the condensing device and the electromagnetic valve are all connected with a control panel. The tail end of the feedback pipeline is connected with a hose. The tail end of the hose serves as a connector. A separation blade and a screw cap are arranged on the outer wall of the connector. A sealing pad is arranged at the top end of the interior of the screw cap. By the adoption of the storage device, the volatilized light aromatic hydrocarbons are completely recycled, cyclic utilization of nitrogen is achieved, and zero emission is achieved.
Description
Technical field
The invention belongs to chemical storage field, be specifically related to a kind of storage arrangement reducing BTX aromatics volatilization and abnormal smells from the patient。
Background technology
BTX aromatics is colourless transparent liquid, has special odor, is the aromatic hydrocarbons mixture of narrow fraction reformed arene extracting gained, wherein contains benzene,toluene,xylene。Can as Petropols, gasoline, solvent raw material。It can separate benzene,toluene,xylene therein by separation, is mainly used in rubber industry, adhesive, shoe industry etc., is also the primary raw material producing xylol (PX)。
Highly volatile in BTX aromatics storage process; contaminated environment; in addition; aromatic hydrocarbons storage tank is often in blast atmosphere; in order to prevent aromatic hydrocarbons storage tank from exploding, maximally effective way is exactly the method adopting nitrogen protection, and traditional method is all supplement nitrogen from storage tank breather valve; along with storage tank runs, nitrogen ceaselessly fills into and breathes out。This method of operation is for the operation of whole tank field, and nitrogen makes consumption huge, and the nitrogen of exhalation contains saturated organic volatile, and this will result in the waste of substantial amounts of nitrogen, increases enterprise operation cost, contains the tail gas of organic volatile by contaminated environment simultaneously。
Summary of the invention
For above-mentioned prior art Problems existing, the present invention provides a kind of storage arrangement reducing BTX aromatics volatilization and abnormal smells from the patient, it is possible to effectively all reclaimed by the light aromatics vapored away; and realize the recycling of nitrogen; while saving cost, it is achieved that zero-emission, protect environment。
The technical scheme that the present invention takes is: a kind of storage arrangement reducing BTX aromatics volatilization and abnormal smells from the patient, including storage storehouse and storage tank, is provided with detecting device in described storage storehouse；Described storage tank is placed in storage storehouse；Described storage tank includes tank body, tank mouth and cover, and described tank mouth interior lower end is provided with valve, and described tank mouth periphery is provided with a circle groove, and described groove stretches to tank interior, and described cover spiral cover is on tank mouth and deeply to groove；Described storage storehouse is internal fills nitrogen, and top is provided with nitrogen discharge pipeline, and described nitrogen discharge pipe end connects nitrogen backpass ductwork by blower fan, and described nitrogen backpass ductwork is connected with storage bottom of the reservior portion；Condensing unit also it is cased with in the middle part of described nitrogen discharge pipeline, and bottom the discharge tube of condensing unit parcel, it is provided with the memory block of one section of depression, it is provided with feedback pipeline bottom described memory block, described feedback pipeline end is fixed on inside storage storehouse, and it being provided with electromagnetic valve, described detecting device, condensing unit are all connected with control panel with electromagnetic valve；Described feedback pipeline end connects flexible pipe, and described hose end is interface, and described interface outer wall is provided with catch and spiral cover, described spiral cover inner tip is provided with sealing gasket, described spiral cover spiral cover is outside tank mouth and deeply to groove, and during in tightening state, sealing gasket and catch are close sealing state。
Wherein the detection selecting the Exemplary chemical material in the optional BTX aromatics to storage of aromatic hydrocarbons detecting device sets。
Being equipped with sealing ring on described cover upper end sidewall and spiral cover upper end sidewall, when cover or spiral cover screw, sealing ring snaps in cover/between spiral cover and the sidewall of groove, forms one and seals structure。
Described valve is the elastic etching resistant film with cross or rice stroke mouth, it is possible to play preliminary volatilization prevention effect。
Described blower fan connects nitrogen backpass ductwork by absorbing adsorbent equipment, and described nitrogen backpass ductwork is connected with storage bottom of the reservior portion by air-introduced machine。
Upper end, described memory block is provided with overflow pipe, described overflow pipe end be fixed on storage storehouse internal and with feedback pipeline joining distal ends。
Described tank mouth exceeds tank body 0.5-1cm, and described tank body upper and lower two ends outer wall is provided with flanging, and described flanging height is 1-1.5cm, and more than tank open height, the existence of flanging, it may be achieved tank body is stacked, but do not affect the sealing effectiveness of tank mouth。
Described sealing ring is elastic anti-corrosion rubber ring。
Described absorption adsorbent equipment is filling adsorption tower。
The present invention also provides for a kind of storage method reducing BTX aromatics volatilization and abnormal smells from the patient, after filling BTX aromatics, will add water, and screwed by cover in groove in storage tank, and cover gos deep in groove, it is achieved that water seal；When the detecting device in storehouse of storing in a warehouse detects that material exceeds standard, condensing unit and electromagnetic valve is started by control panel, condense, BTX aromatics through condensing unit condensation can be temporarily stored in memory block, and again collected to storage tank by feedback pipeline, nitrogen then through condensation except continuing after BTX aromatics to recycle, until after the material in storage storehouse is reduced to setting value, by control panel closedown condensing unit and electromagnetic valve after postponing 1-2 minute。
Described storage method, arranges sealing ring also by cover upper end sidewall and spiral cover upper end sidewall, and when cover or spiral cover screw, sealing ring snaps in cover/between spiral cover and the sidewall of groove, forms one and seals structure, further functions as sealing process。
The storage arrangement of minimizing BTX aromatics of the present invention volatilization and abnormal smells from the patient, relative to prior art, has the advantage that
1) good airproof performance: after filling BTX aromatics in storage tank, will add water, and is screwed by cover in groove, cover gos deep in groove, it is achieved that water seal, and the sealing ring on cover can prevent the evaporation of moisture, further functions as the effect of closing simultaneously；
2) recycling of the BTX aromatics vapored away: the BTX aromatics through condensing unit condensation can be temporarily stored in memory block, the depression that memory block is pipeline is arranged, with low cost, it is not necessary to additionally to take up room and increase equipment, and will not hinder the backflow of nitrogen；Again collected to storage tank by the condensed BTX aromatics of feedback pipeline loopback, it is to avoid while causing environmental pollution, it is achieved that recycle；
3) nitrogen continues to recycle after condensation, absorption absorption, and what decrease nitrogen makes consumption, has saved cost；
4) storage arrangement of the present invention, structural modification is simple, with low cost, it is achieved that the zero-emission of BTX aromatics, effectively improves environment, and greatly reduces the risk of explosion of aromatic hydrocarbons storage tank, has important industrial application value。
Accompanying drawing explanation
Fig. 1 is the structural representation of storage arrangement of the present invention；
Fig. 2 is the structural representation of storage arrangement of the present invention；
Fig. 3 is the enlarged diagram at M position in Fig. 1 or Fig. 2；
Fig. 4 is the enlarged diagram at N position in Fig. 1 or Fig. 2；
Fig. 5 is the structural representation of valve；
Wherein: 1 storage storehouse, 2 tank bodies, 3 tank mouths, 4 covers, 5 grooves, 6 discharge tubes, 7 blower fans, 8 absorb adsorbent equipment, 9 condensing units, 10 memory blocks, 11 feedback pipeline, 12 electromagnetic valves, 13 flexible pipes, 14 interfaces, 15 sealing rings, 16 nitrogen backpass ductworks, 17 air-introduced machines, 18 flanging, 19 overflow pipes, 20 detecting devices, 21 valves, 22 control panels, 23 washers, 24 spiral covers, 25 sealing gaskets。
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail。
Embodiment 1
A kind of storage arrangement reducing BTX aromatics volatilization and abnormal smells from the patient as shown in Fig. 1,3,4 and 5, including storage storehouse 1 and storage tank, is provided with detecting device 20 in described storage storehouse 1；Described storage tank is placed in storage storehouse 1；Described storage tank includes tank body 2, tank mouth 3 and cover 4, and described tank mouth 3 interior lower end is provided with valve 21, and described tank mouth 3 periphery is provided with a circle groove 5, and it is internal that described groove 5 stretches to tank body 2, and described cover 4 spiral cover is on tank mouth 3 and deeply to groove 5；Described storage storehouse 1 is internal fills nitrogen, and top is provided with nitrogen discharge pipeline 6, and described nitrogen discharge pipeline 6 end connects nitrogen backpass ductwork 16 by blower fan 7, and described nitrogen backpass ductwork 16 is connected with bottom storage storehouse 1；Condensing unit 9 also it is cased with in the middle part of nitrogen discharge pipeline 6, and bottom the discharge tube 6 of condensing unit 9 parcel, it is provided with the memory block 10 of one section of depression, it is provided with feedback pipeline 11 bottom described memory block 10, it is internal that described feedback pipeline 11 end is fixed on storage storehouse 1, and it being provided with electromagnetic valve 12, described detecting device 20, condensing unit 9 are all connected with control panel 22 with electromagnetic valve 12；Described feedback pipeline 11 end connects flexible pipe 13, described flexible pipe 13 end is interface 14, described interface 14 outer wall is provided with washer 23 and spiral cover 24, described spiral cover 24 inner tip is provided with sealing gasket 25, described spiral cover 24 spiral cover is outside tank mouth 3 and deeply to groove 5, during in tightening state, sealing gasket 25 and washer 23 are in close sealing state；Upper end, memory block 10 is provided with overflow pipe 19, and described overflow pipe 19 end is fixed on inside, storage storehouse 1 and connects in feedback pipeline 11；Being equipped with sealing ring 15 on described cover 4 upper end sidewall and spiral cover 24 upper end sidewall, sealing ring 15 is elastic anti-corrosion rubber ring, and when cover 4 or spiral cover 24 screw, sealing ring 15 snaps between cover 4/ spiral cover 24 and the sidewall of groove 5, forms one and seals structure；
Embodiment 2
As shown in Figure 2-5, embodiment 2 and embodiment 1 are distinctive in that, blower fan 7 connects nitrogen backpass ductwork 16 by absorbing adsorbent equipment 8, and described nitrogen backpass ductwork 16 is connected with bottom storage storehouse 1 by air-introduced machine 17, and described absorption adsorbent equipment 8 is filling adsorption tower。Tank mouth 3 exceeds tank body 20.5cm, and described tank body about 2 two ends outer wall is provided with flanging 18, and described flanging 18 height is 1cm, and more than tank mouth 3 height, the existence of flanging 18, it may be achieved tank body 2 is stacked, but do not affect the sealing effectiveness of tank mouth 3。
Embodiment 3
As shown in Figure 2-5, it is shown that a kind of reduce BTX aromatics volatilization and the storage arrangement of abnormal smells from the patient, including storage storehouse 1 and storage tank, in described storage storehouse 1, be provided with detecting device 20；Described storage tank is placed in storage storehouse 1；Described storage tank includes tank body 2, tank mouth 3 and cover 4, and described tank mouth 3 interior lower end is provided with valve 21, and described tank mouth 3 periphery is provided with a circle groove 5, and it is internal that described groove 5 stretches to tank body 2, and described cover 4 spiral cover is on tank mouth 3 and deeply to groove 5；Described storage storehouse 1 is internal fills nitrogen, top is provided with nitrogen discharge pipeline 6, described nitrogen discharge pipeline 6 end connects absorption adsorbent equipment 8 by blower fan 7, condensing unit 9 also it is cased with in the middle part of nitrogen discharge pipeline 6, and bottom the discharge tube 6 of condensing unit 9 parcel, it is provided with the memory block 10 of one section of depression, feedback pipeline 11 it is provided with bottom memory block 10, it is internal that described feedback pipeline 11 end is fixed on storage storehouse 1, and it is provided with valve 12, described feedback pipeline 11 end connects flexible pipe 13, described flexible pipe 13 end is interface 14, described interface 14 outer wall is provided with washer 23 and spiral cover 24, described spiral cover 24 inner tip is provided with sealing gasket 25, described spiral cover 24 spiral cover is outside tank mouth 3 and deeply to groove 5, during in tightening state, sealing gasket 25 and washer 23 are in close sealing state；Upper end, described memory block 10 is provided with overflow pipe 19, and described overflow pipe 19 end is fixed on inside, storage storehouse 1 and in feedback pipeline 11 joining distal ends；Being equipped with sealing ring 15 on described cover 4 upper end sidewall and interface 14 upper end sidewall, sealing ring 15 is elastic anti-corrosion rubber ring, and when cover 4 screws or spiral cover 24 is seated, sealing ring 15 snaps between cover 4/ spiral cover 24 and the sidewall of groove 5, forms one and seals structure；Described absorption adsorbent equipment 8 top connects nitrogen backpass ductwork 16, and described nitrogen backpass ductwork 16 is connected with bottom storage storehouse 1 by air-introduced machine 17, and described nitrogen backpass ductwork 16 is connected with bottom storage storehouse 1；Described absorption adsorbent equipment 8 is filling adsorption tower。
Embodiment 1 or, storage arrangement described in 3, the BTX aromatics that storage is bought on the market, the NC time after running 1 month, condensing first, after 2 years, several typical compound content are detected respectively from sampling 1 and 2 sampling, wherein, sampling 1 is for mixing after storage top, storehouse 1, middle part, each 2 positions, place, bottom 6 place's position samples totally；Sampling 2 finger is from the condensed device 9 of nitrogen discharge pipeline 6 end but is introduced into storage storehouse 1 or absorbs adsorbent equipment 8 sampling before。Operation threshold is set as: benzene 1.0mg/m3, toluene 0.2mg/m3, dimethylbenzene 0.3mg/m3, ethylbenzene 0.3mg/m3。
From table 1, device good airproof performance of the present invention, reach operation threshold first and set the time opening condensation operation as 9th month, volatile material whole condensing reflux use again in storehouse of storing in a warehouse after condensation, after running 2 years, also there is good effect。Volatilization minimizing causes that condensation number of times is substantially reduced, and is greatly saved cost, and loses without raw material non-volatility。
Claims (10)
1. the storage arrangement reducing BTX aromatics volatilization and abnormal smells from the patient, it is characterised in that include storage storehouse and storage tank, be provided with detecting device in described storage storehouse；Described storage tank is placed in storage storehouse；Described storage tank includes tank body, tank mouth and cover, and described tank mouth interior lower end is provided with valve, and described tank mouth periphery is provided with a circle groove, and described groove stretches to tank interior, and described cover spiral cover is on tank mouth and deeply to groove；Described storage storehouse is internal fills nitrogen, and top is provided with nitrogen discharge pipeline, and described nitrogen discharge pipe end connects nitrogen backpass ductwork by blower fan, and described nitrogen backpass ductwork is connected with storage bottom of the reservior portion；Condensing unit also it is cased with in the middle part of described nitrogen discharge pipeline, and bottom the discharge tube of condensing unit parcel, it is provided with the memory block of one section of depression, it is provided with feedback pipeline bottom described memory block, described feedback pipeline end is fixed on inside storage storehouse, and it being provided with electromagnetic valve, described detecting device, condensing unit are all connected with control panel with electromagnetic valve；Described feedback pipeline end connects flexible pipe, and described hose end is interface, and described interface outer wall is provided with catch and spiral cover, described spiral cover inner tip is provided with sealing gasket, described spiral cover spiral cover is outside tank mouth and deeply to groove, and during in tightening state, sealing gasket and catch are close sealing state。
2. the storage arrangement of minimizing BTX aromatics according to claim 1 volatilization and abnormal smells from the patient, it is characterized in that, described cover upper end sidewall and spiral cover upper end sidewall are equipped with sealing ring, when cover or spiral cover screw, sealing ring snaps in cover/between spiral cover and the sidewall of groove, forms one and seals structure。
3. the storage arrangement of minimizing BTX aromatics according to claim 2 volatilization and abnormal smells from the patient, it is characterised in that described sealing ring is elastic anti-corrosion rubber ring。
4. the storage arrangement of minimizing BTX aromatics according to claim 1 volatilization and abnormal smells from the patient, it is characterised in that described valve is the elastic etching resistant film with cross or rice stroke mouth。
5. the storage arrangement of minimizing BTX aromatics according to claim 1 volatilization and abnormal smells from the patient, it is characterised in that described blower fan connects nitrogen backpass ductwork by absorbing adsorbent equipment, described nitrogen backpass ductwork is connected with storage bottom of the reservior portion by air-introduced machine。
6. minimizing BTX aromatics according to claim 1 volatilization and the storage arrangement of abnormal smells from the patient, it is characterised in that upper end, described memory block is provided with overflow pipe, described overflow pipe end be fixed on storage storehouse internal and with feedback pipeline joining distal ends。
7. the storage arrangement of minimizing BTX aromatics according to claim 1 volatilization and abnormal smells from the patient, it is characterised in that described tank mouth exceeds tank body 0.5-1cm, and described tank body upper and lower two ends outer wall is provided with flanging, and described flanging height is 1-1.5cm, and more than tank open height。
8. the storage arrangement of minimizing BTX aromatics according to claim 1 volatilization and abnormal smells from the patient, it is characterised in that described absorption adsorption plant is filling adsorption tower。
9. the storage method reducing BTX aromatics volatilization and abnormal smells from the patient, it is characterised in that after filling BTX aromatics in storage tank, will add water, and is screwed by cover in groove, cover gos deep in groove, it is achieved that water seal；When the detecting device in storehouse of storing in a warehouse detects that material exceeds standard, condensing unit and electromagnetic valve is started by control panel, condense, BTX aromatics through condensing unit condensation can be temporarily stored in memory block, and again collected to storage tank by feedback pipeline, nitrogen then through condensation except continuing after BTX aromatics to recycle, until after the material in storage storehouse is reduced to setting value, by control panel closedown condensing unit and electromagnetic valve after postponing 1-2 minute。
10. storage method according to claim 9, it is characterised in that sealing ring is set also by cover upper end sidewall and spiral cover upper end sidewall, when cover or spiral cover screw, sealing ring snaps in cover/between spiral cover and the sidewall of groove, forms one and seals structure, further functions as sealing process。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102597.XA CN105691964B (en) | 2016-02-25 | 2016-02-25 | A kind of storage arrangement for reducing BTX aromatics volatilization and abnormal smells from the patient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610102597.XA CN105691964B (en) | 2016-02-25 | 2016-02-25 | A kind of storage arrangement for reducing BTX aromatics volatilization and abnormal smells from the patient |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105691964A true CN105691964A (en) | 2016-06-22 |
| CN105691964B CN105691964B (en) | 2017-03-29 |
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| CN201610102597.XA Active CN105691964B (en) | 2016-02-25 | 2016-02-25 | A kind of storage arrangement for reducing BTX aromatics volatilization and abnormal smells from the patient |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994495A (en) * | 2020-09-23 | 2020-11-27 | 衡山食为天食用油有限公司 | Tea-seed oil storage device of low temperature protection |
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| DE2343081A1 (en) * | 1973-08-25 | 1975-03-13 | Georg Guido Helfrich | Reducing vapourised petrol losses from storage tanks - by cooling air-vapour mixt. in tubular cooler and returning condensate to tank |
| US5176002A (en) * | 1991-04-10 | 1993-01-05 | Process Systems International, Inc. | Method of controlling vapor loss from containers of volatile chemicals |
| WO2002028714A1 (en) * | 2000-10-02 | 2002-04-11 | L'air Liquide, Society Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Aircraft fuel tank inerting |
| CN203512447U (en) * | 2013-10-30 | 2014-04-02 | 海湾环境科技（北京）股份有限公司 | Oil tank breathing gas recovery system |
| CN204056865U (en) * | 2014-07-09 | 2014-12-31 | 南京天膜科技股份有限公司 | A kind of full regenerative apparatus of breathing emission gases of nitrogen-sealed storage tank |
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2016
- 2016-02-25 CN CN201610102597.XA patent/CN105691964B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2343081A1 (en) * | 1973-08-25 | 1975-03-13 | Georg Guido Helfrich | Reducing vapourised petrol losses from storage tanks - by cooling air-vapour mixt. in tubular cooler and returning condensate to tank |
| US5176002A (en) * | 1991-04-10 | 1993-01-05 | Process Systems International, Inc. | Method of controlling vapor loss from containers of volatile chemicals |
| WO2002028714A1 (en) * | 2000-10-02 | 2002-04-11 | L'air Liquide, Society Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Aircraft fuel tank inerting |
| CN203512447U (en) * | 2013-10-30 | 2014-04-02 | 海湾环境科技（北京）股份有限公司 | Oil tank breathing gas recovery system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994495A (en) * | 2020-09-23 | 2020-11-27 | 衡山食为天食用油有限公司 | Tea-seed oil storage device of low temperature protection |
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| CN105691964B (en) | 2017-03-29 |
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