CN110594571A - Automatic ventilation valve with oil vapor recovery function for steel floating roof - Google Patents
Automatic ventilation valve with oil vapor recovery function for steel floating roof Download PDFInfo
- Publication number
- CN110594571A CN110594571A CN201910874847.5A CN201910874847A CN110594571A CN 110594571 A CN110594571 A CN 110594571A CN 201910874847 A CN201910874847 A CN 201910874847A CN 110594571 A CN110594571 A CN 110594571A
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- gas
- condensate return
- return pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000011084 recovery Methods 0.000 title claims abstract description 19
- 238000009423 ventilation Methods 0.000 title claims description 12
- 238000009833 condensation Methods 0.000 claims abstract description 20
- 230000005494 condensation Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000003068 static effect Effects 0.000 claims abstract description 8
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000012071 phase Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- B65D88/36—Large containers having floating covers, e.g. floating roofs or blankets with relatively movable sections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/20—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers with valves controlled by floats
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The invention discloses an automatic vent valve with an oil-gas recovery function for a steel floating roof, wherein a guide pipe is fixed in a valve body through a connecting plate, and a valve rod moves up and down in the guide pipe in the valve body; the valve cover is welded with an oil-gas collecting pipe and a condensate return pipe; the upper ends of the oil-gas collecting pipe and the condensate return pipe are connected with an oil-gas collector; a top breather valve flange is welded at the center of the top plate of the oil-gas collector, and a flame arrester and a breather valve are sequentially installed; a condensation baffle is welded inside the oil-gas collector; the upper end of the condensate return pipe is arranged at the center of a conical bottom plate at the bottom of the oil-gas collector and extends out of the conical bottom plate for a certain distance, the lower end of the condensate return pipe is inserted into a liquid phase space at the lower part of the floating plate, and the condensate return pipe is provided with a plurality of rectangular hole-shaped condensate return channels for collecting condensate to enter the condensate return pipe. The invention can effectively reduce the evaporation loss of oil vapor, reduce static electricity generated by friction in the operation process and prevent the oil vapor accumulated in the valve body from being directly discharged from the valve cover seal to cause fire.
Description
Technical Field
The invention relates to an automatic vent valve with an oil vapor recovery function for a steel floating roof, and relates to the field of storage and transportation of oil and gas products.
Background
The steel floating roof storage tank is provided with an automatic vent valve, and the vent valve is automatically closed or opened in the lifting or descending process of the floating roof, so that gas below the floating roof can be exhausted or supplemented, overpressure or vacuum generated below the floating roof can be effectively avoided, the floating roof and other accessories are protected, and the vent valve is closed in a normal operation state. The existing automatic breather valve is lack of an oil vapor recovery device, oil vapor accumulated in the valve body jacks up a valve cover to directly leak out in an operating state, fire is easy to cause, the breathing loss is large, and the environment is polluted; meanwhile, the sealing structure between the valve body and the valve cover, the guide sleeve and the valve rod moving assembly have poor conductivity, static electricity is easily generated due to friction in the operation process, and fire can be caused when the static electricity is serious.
Disclosure of Invention
The invention aims to provide an automatic vent valve with an oil-gas recovery function for a steel floating roof, which aims to achieve the following purposes:
a) air suction and exhaust are realized in the lifting process of the floating roof, so that overpressure or vacuum is prevented from being generated below the floating roof;
b) the generation of static electricity in the running process is reduced, and further, the fire caused by ignition of materials is avoided;
c) the storage tank breathing oil vapor is effectively recycled in an operating state, so that the breathing loss is reduced, and the environment is protected;
d) prevent that the inside oil gas jack-up valve gap of gathering of valve body directly from leaking and arousing the conflagration.
In order to achieve the purpose, the technical scheme of the invention is as follows: an automatic vent valve with an oil-gas recovery function for a steel floating roof comprises a valve body, a valve cover and a valve rod, wherein the valve rod is positioned in the center of the valve cover, and the valve body is welded with the floating roof and then supported on the floating roof by adopting three angle steels; the method is characterized in that:
the guide pipe is fixed in the valve body through a connecting plate, and the valve rod moves up and down in the guide pipe in the valve body; the valve cover is welded with an oil-gas collecting pipe and a condensate return pipe; the upper ends of the oil-gas collecting pipe and the condensate return pipe are connected with an oil-gas collector; a top breather valve flange is welded at the center of the top plate of the oil-gas collector, and a flame arrester and a breather valve are sequentially installed; a condensing baffle is welded in the oil-gas collector, a gas circulation channel is reserved, oil gas is condensed at the lower edge of the baffle, and condensate is collected on a conical bottom plate at the bottom of the oil-gas collector; the upper end of the condensate return pipe is arranged at the center of a conical bottom plate at the bottom of the oil-gas collector and extends out of the conical bottom plate for a certain distance, the lower end of the condensate return pipe is inserted into a liquid phase space at the lower part of the floating plate, and the condensate return pipe is provided with a plurality of rectangular hole-shaped condensate return channels for collecting condensate to enter the condensate return pipe.
Preferably, when the floating disc ascends, the valve cover is in sealing contact with the valve body to close the vent valve, and oil gas accumulated in the valve body enters the oil gas collector through the oil gas collecting pipe; when the floating disc descends to the bottom of the tank, the valve rod is firstly contacted with the bottom of the tank, and the valve cover is automatically jacked up to realize the opening of the vent valve;
preferably, the oil vapour collector and the condensate return line are oriented at 120 ° to the valve cover.
Preferably, the fixed end of the condensation baffle plate is arranged at the side of the oil steam inlet to ensure that the oil steam is fully disturbed and condensed.
Preferably, one end of the condensation baffle is welded with the oil-gas collector cylinder, and the other end of the condensation baffle is fixed at one half of the oil-gas collector cylinder through angle steel, so that an enough gas phase circulation channel is reserved.
Preferably, the lower edge of the rectangular hole-shaped condensate return channel of the condensate return pipe is flush with the lowest point of the conical bottom plate of the oil-gas collector, so that the collected condensate is ensured to completely return.
Preferably, the oil-gas collector is supported on the upper part of the valve cover through the oil-gas collecting pipe and the condensate return pipe, and the two pipelines simultaneously play a role in supporting the oil-gas collector.
Preferably, the valve body is in a cylindrical form, the lower end face of the valve body is communicated with the inside of the storage tank through welding with the floating disc, and the upper end face of the valve body is brazed with the copper sealing face to prevent static electricity from being generated when the valve cover is in contact with the valve body.
Preferably, the material of the guide pipes is copper, and two groups are arranged.
Compared with the prior art, the invention has the following beneficial effects:
a) the invention can ensure that automatic air suction and exhaust can be realized in the lifting process of the floating roof, prevent overpressure or vacuum from being generated below the floating roof, and ensure the stable lifting of the floating roof and the safe operation of the storage tank;
b) most of the oil vapor can be collected and condensed and then returns to the storage tank, so that the breathing loss of the storage tank is reduced, the VOC emission is reduced, and the environment is protected;
c) the invention can effectively reduce the generation of static electricity between the floating roof structures and further reduce the risk of fire accidents;
d) the invention prevents the fire hazard caused by the direct leakage of the oil gas jack-up valve cover accumulated in the valve body.
Drawings
FIG. 1 is a layout view of an automatic breather valve for a steel floating roof with an oil vapor recovery function according to the present invention.
Fig. 2 is a top view of the valve cover of the present invention.
FIG. 3 is a schematic view of the brazing structure of the upper end sealing surface of the valve body.
Figure 4 is a schematic view of a condensation baffle according to the present invention.
Figure 5 is a front elevational view of the condensate return tube of the present invention.
Fig. 6 is a cross-sectional view of fig. 5.
FIG. 7 is a schematic view showing the connection of the valve body and the floating roof and the connection of the guide pipe and the valve body according to the present invention.
The reference numbers illustrate: 1-valve body, 2-valve cover, 3-valve rod, 4-guide pipe, 5-oil and gas collecting pipe, 6-oil and gas collector, 7-condensation baffle, 8-condensate return pipe, 9-top breather valve flange, 10-flame arrester, 11-breather valve, 12-copper sealing surface.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
As shown in fig. 1 and 2, the automatic ventilation valve with the oil vapor recovery function for the steel floating roof mainly comprises a valve body 1, a valve cover 2, a valve rod 3, a guide pipe 4, an oil vapor collecting pipe 5, an oil vapor collector 6, a condensation baffle 7, a condensate return pipe 8, a top breather valve flange 9, a flame arrester 10, a breather valve 11, a corresponding support structure and the like.
The valve rod 3 is positioned in the center of the valve cover 2, and the azimuth angle of the oil-gas collector 6 and the condensate return pipe 8 on the valve cover 2 is 120 degrees.
As shown in fig. 7, the valve body 1 is welded to the floating roof and supported on the floating roof by three angle steels. A copper guide pipe 4 is adopted in the valve body for guiding the valve rod 1 and preventing static electricity; the guide pipes 4 are fixed in the valve body 1 through three connecting plates, and two groups of guide pipes 4 are arranged.
As shown in fig. 3, a copper seal surface 12 is brazed to the upper end surface of the valve body 1 to achieve an antistatic function; the upper end surface of the valve body 1 is brazed with the copper sealing surface 12 and then is polished smoothly, and the levelness of the sealing surface is strictly controlled.
As shown in fig. 1, 5 and 6, the condensate return pipe 8 should be inserted at least 250mm below the floating plate to ensure liquid seal and secondary volatilization of condensate; the lower edge of a rectangular hole-shaped condensate return channel of the condensate return pipe 8 is flush with the lowest point of the conical bottom plate of the oil-gas collector 6, so that collected condensate is ensured to completely return; the oil and gas collecting pipe 5 extends into the position below the valve cover 2 by 50mm at most, so that the oil and gas can smoothly enter the oil and gas collector 6. The condensate return pipe 8 is provided with a plurality of rectangular hole-shaped condensate return channels for collecting condensate to enter the condensate return pipe 8.
The oil vapor collector 6 is internally welded with a condensation baffle 7, a gas circulation channel is reserved, the oil vapor is rapidly conducted and cooled to be liquid under the baffle 7 after meeting the large-area metal condensation baffle 7, and liquid drops are collected on a conical bottom plate at the bottom of the oil vapor collector 6.
As shown in fig. 4, the fixed end of the condensation baffle 7 should be arranged at the oil vapor inlet side to ensure the oil vapor to fully disturb the flow and condense; one end of the condensation baffle 7 is welded with the cylinder of the oil-gas collector 6, the other end of the condensation baffle is fixed on the cylinder of the oil-gas collector 6 through angle steel, and the condensation baffle 7 is arranged at one half of the height of the oil-gas collector 6 and reserves an enough gas phase circulation channel.
After the automatic ventilation valve for the steel floating roof with the oil and gas recovery function is installed, all welding joints are required to be subjected to kerosene leakage detection.
When the air vent valve is installed, the air vent valve is in an open state; when the floating disc rises, the valve cover 2 and the anti-static valve body 1 are sealed to close the vent valve; when the floating disc descends to the bottom of the tank, the valve rod 3 firstly contacts with the bottom of the tank, the valve cover 2 is automatically jacked up to open the vent valve, and the overpressure or vacuum generated in the space below the floating disc when the storage tank is put into use and exhausted is effectively avoided through the actions.
Normal operating condition, the breather valve is closed, when the floating disc is in the running state, the oil vapor of gathering in the valve body 2 passes through oil vapor collecting pipe 5 and gets into oil vapor collector 6, oil vapor flows through 7 vortex of condensation baffle, after the condensation, most oil vapor is along the condensation under the baffle, the liquid drop is collected the back through the toper bottom plate of 6 bottoms of oil vapor collector, through in the rectangular hole admission pipe that the condensate back flow was 8 returns the top of floating lower part material, little part of oil vapor passes through spark arrester 10, breather valve 11 to external environment.
The above-described embodiments further explain in detail the technical problems and technical solutions solved by the present invention. It should be understood that the above-mentioned embodiments are only exemplary of the present invention, and are not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An automatic vent valve with an oil vapor recovery function for a steel floating roof comprises a valve body (1), a valve cover (2) and a valve rod (3), wherein the valve rod (3) is positioned in the center of the valve cover (2), and the valve body (1) is welded with the floating roof and then supported on the floating roof by adopting three angle steels; the method is characterized in that: the guide pipe (4) is fixed in the valve body (1) through a connecting plate, and the valve rod (3) moves up and down in the guide pipe (4) in the valve body; an oil-gas collecting pipe (5) and a condensate return pipe (8) are welded on the valve cover (2); the upper ends of the oil-gas collecting pipe (5) and the condensate return pipe (8) are connected with the oil-gas collector (6); a top breather valve flange (9) is welded at the center of the top plate of the oil-gas collector (6), and a flame arrester (10) and a breather valve (11) are sequentially installed; a condensation baffle (7) is welded in the oil-gas collector (6), a gas circulation channel is reserved, oil-gas is condensed at the lower edge of the baffle, and condensate is collected on a conical bottom plate at the bottom of the oil-gas collector (6); the upper end of the condensate return pipe (8) is arranged at the center of a conical bottom plate at the bottom of the oil-gas collector (6) and extends out of the conical bottom plate for a certain distance, the lower end of the condensate return pipe (8) is inserted into a liquid phase space at the lower part of the floating plate, and a plurality of rectangular hole-shaped condensate return channels are formed in the condensate return pipe (8) and are used for collecting condensate to enter the condensate return pipe.
2. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: when the floating disc ascends, the valve cover (2) is in sealing contact with the valve body (1) to close the vent valve, and oil gas accumulated in the valve body (1) enters the oil gas collector (6) through the oil gas collecting pipe (5); when the floating disc descends to the bottom of the tank, the valve rod (3) firstly contacts with the bottom of the tank, and the valve cover (2) is automatically jacked up to realize the opening of the vent valve.
3. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the azimuth angles of the oil-gas collector (6) and the condensate return pipe (8) on the valve cover (2) are 120 degrees.
4. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the fixed end of the condensation baffle (7) is arranged at the inlet side of the oil vapor to ensure the full turbulent flow and condensation of the oil vapor.
5. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: one end of the condensation baffle (7) is welded with the cylinder of the oil-gas collector (6), and the other end is fixed at one half of the cylinder of the oil-gas collector (6) through angle steel, so that enough gas phase circulation channels are reserved.
6. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the lower edge of a rectangular hole-shaped condensate return channel of the condensate return pipe (8) is parallel and level with the lowest point of the conical bottom plate of the oil-gas collector (6), so that the collected condensate is ensured to completely return.
7. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the oil-gas collector (6) is supported on the upper part of the valve cover (2) through the oil-gas collecting pipe (5) and the condensate return pipe (8), and the two pipelines simultaneously play a role in supporting the oil-gas collector (6).
8. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the valve body (1) is in a cylindrical form, the lower end face of the valve body is communicated with the inside of the storage tank by welding with the floating disc, and the upper end face of the valve body is brazed with the copper sealing face (12) to prevent static electricity from being generated when the valve cover (2) is in contact with the valve body (1).
9. The automatic ventilation valve for the steel floating roof with the oil and gas recovery function according to claim 1, wherein: the guide pipes (4) are made of copper and are arranged in two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874847.5A CN110594571B (en) | 2019-09-17 | 2019-09-17 | Automatic ventilation valve with oil vapor recovery function for steel floating roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910874847.5A CN110594571B (en) | 2019-09-17 | 2019-09-17 | Automatic ventilation valve with oil vapor recovery function for steel floating roof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110594571A true CN110594571A (en) | 2019-12-20 |
| CN110594571B CN110594571B (en) | 2024-05-28 |
Family
ID=68860140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910874847.5A Active CN110594571B (en) | 2019-09-17 | 2019-09-17 | Automatic ventilation valve with oil vapor recovery function for steel floating roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110594571B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056160A (en) * | 2020-03-08 | 2020-04-24 | 辽宁石油化工大学 | Oil consumption reduction ventilation device structure for internal floating roof type oil storage tank |
| CN112811019A (en) * | 2021-02-05 | 2021-05-18 | 沃德林科环保设备（北京）有限公司 | Multifunctional full-liquid-receiving inner floating disc central ventilation valve |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB379051A (en) * | 1931-03-14 | 1932-08-25 | Stanley James Robert Stewart | Improvements in means for preventing loss from tanks containing readily vaporizable liquids |
| US3811651A (en) * | 1972-07-17 | 1974-05-21 | Nupro Co | Bellows sealed butterfly valve |
| FR2208387A5 (en) * | 1972-10-30 | 1974-06-21 | Bertin Georges | |
| US4336830A (en) * | 1980-04-28 | 1982-06-29 | Healy James W | Vapor recovery jet pump |
| EP0062014A1 (en) * | 1981-03-26 | 1982-10-06 | Atlas Copco Aktiebolag | A drain valve assembly |
| US4438863A (en) * | 1981-08-17 | 1984-03-27 | Globe Linings, Inc. | Gas venting floating cover |
| SU1143922A1 (en) * | 1983-10-17 | 1985-03-07 | Уральское отделение Всесоюзного государственного научно-исследовательского и проектно-конструкторского института "ВНИПИЭНЕРГОПРОМ" | Steam trap |
| CN86105955A (en) * | 1985-07-30 | 1987-07-01 | 奥拉吉帕里·弗瓦拉科佐·特维佐·瓦拉拉特 | Reduce the boil-off loss of the storage tanker that volatile matter is housed and from the mixture gas of gas and steam, reclaim the method and apparatus device of steam |
| CN2151960Y (en) * | 1993-02-13 | 1994-01-05 | 喻昭平 | Floating tube oil steam buffer |
| US5592963A (en) * | 1995-10-04 | 1997-01-14 | Walbro Corporation | Control valve and system for fuel vapor recovery |
| CN2436475Y (en) * | 2000-08-09 | 2001-06-27 | 淄博市临淄镭射技术研究所 | Gas discharge recovery device for oil and gas tank |
| RU2338678C1 (en) * | 2007-03-16 | 2008-11-20 | Федеральное государственное унитарное предприятие "25 Государственный научно-исследовательский институт Министерства обороны Российской Федерации (по применению топлив, масел, смазок и специальных жидкостей-ГосНИИ по химмотологии) | Reservoir for storage of easily-evaporating liquids |
| CN202379321U (en) * | 2011-07-29 | 2012-08-15 | 海湾环保工程（北京）股份有限公司 | Circulating-type crude oil storage tank oil gas vacuum adsorption recovery system |
| CN102897445A (en) * | 2012-09-24 | 2013-01-30 | 常州大学 | Fireproof anti-explosion system of floating-roof oil tank |
| US20140190967A1 (en) * | 2012-03-20 | 2014-07-10 | Kinder Morgan Operating L.P. "C" | Systems and methods for reducing vapor emission from floating roof storage vessels |
| KR20150114751A (en) * | 2014-04-02 | 2015-10-13 | 현대중공업 주식회사 | Apparatus for Fuel Oil Service Tank's Oily Vapore Recovery in Vessel |
| CN105460446A (en) * | 2015-12-29 | 2016-04-06 | 中国石油化工股份有限公司 | Oil gas collecting device of crude-oil outward floating roof tank |
| JP2017137071A (en) * | 2016-02-01 | 2017-08-10 | 株式会社石井鐵工所 | Automatic air vent of floating roof type tank |
| CN107084310A (en) * | 2017-06-07 | 2017-08-22 | 江苏新久扬环保设备科技有限公司 | Petroleum vapor recovery floating ball one-way valve and device for recovering oil and gas |
| US20170305657A1 (en) * | 2014-10-16 | 2017-10-26 | Heinrich Imhof | Storage facility for the storage of highly volatile hydrocarbons |
| CN206737529U (en) * | 2017-03-14 | 2017-12-12 | 华陆工程科技有限责任公司 | A kind of monoblock type lattice supporting framework of double plate floating roof |
| CN108139026A (en) * | 2015-05-28 | 2018-06-08 | 格里高利·E.·杨 | System is covered for the gas of low pressure hydrocarbon tank |
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN110194331A (en) * | 2019-06-27 | 2019-09-03 | 华陆工程科技有限责任公司 | A kind of steel single-deck floating roof multifunctional breath system |
| CN210891021U (en) * | 2019-09-17 | 2020-06-30 | 华陆工程科技有限责任公司 | Automatic ventilation valve with oil vapor recovery function for steel floating roof |
-
2019
- 2019-09-17 CN CN201910874847.5A patent/CN110594571B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB379051A (en) * | 1931-03-14 | 1932-08-25 | Stanley James Robert Stewart | Improvements in means for preventing loss from tanks containing readily vaporizable liquids |
| US3811651A (en) * | 1972-07-17 | 1974-05-21 | Nupro Co | Bellows sealed butterfly valve |
| FR2208387A5 (en) * | 1972-10-30 | 1974-06-21 | Bertin Georges | |
| US4336830A (en) * | 1980-04-28 | 1982-06-29 | Healy James W | Vapor recovery jet pump |
| EP0062014A1 (en) * | 1981-03-26 | 1982-10-06 | Atlas Copco Aktiebolag | A drain valve assembly |
| US4438863A (en) * | 1981-08-17 | 1984-03-27 | Globe Linings, Inc. | Gas venting floating cover |
| SU1143922A1 (en) * | 1983-10-17 | 1985-03-07 | Уральское отделение Всесоюзного государственного научно-исследовательского и проектно-конструкторского института "ВНИПИЭНЕРГОПРОМ" | Steam trap |
| CN86105955A (en) * | 1985-07-30 | 1987-07-01 | 奥拉吉帕里·弗瓦拉科佐·特维佐·瓦拉拉特 | Reduce the boil-off loss of the storage tanker that volatile matter is housed and from the mixture gas of gas and steam, reclaim the method and apparatus device of steam |
| CN2151960Y (en) * | 1993-02-13 | 1994-01-05 | 喻昭平 | Floating tube oil steam buffer |
| US5592963A (en) * | 1995-10-04 | 1997-01-14 | Walbro Corporation | Control valve and system for fuel vapor recovery |
| CN2436475Y (en) * | 2000-08-09 | 2001-06-27 | 淄博市临淄镭射技术研究所 | Gas discharge recovery device for oil and gas tank |
| RU2338678C1 (en) * | 2007-03-16 | 2008-11-20 | Федеральное государственное унитарное предприятие "25 Государственный научно-исследовательский институт Министерства обороны Российской Федерации (по применению топлив, масел, смазок и специальных жидкостей-ГосНИИ по химмотологии) | Reservoir for storage of easily-evaporating liquids |
| CN202379321U (en) * | 2011-07-29 | 2012-08-15 | 海湾环保工程（北京）股份有限公司 | Circulating-type crude oil storage tank oil gas vacuum adsorption recovery system |
| US20140190967A1 (en) * | 2012-03-20 | 2014-07-10 | Kinder Morgan Operating L.P. "C" | Systems and methods for reducing vapor emission from floating roof storage vessels |
| CN102897445A (en) * | 2012-09-24 | 2013-01-30 | 常州大学 | Fireproof anti-explosion system of floating-roof oil tank |
| KR20150114751A (en) * | 2014-04-02 | 2015-10-13 | 현대중공업 주식회사 | Apparatus for Fuel Oil Service Tank's Oily Vapore Recovery in Vessel |
| US20170305657A1 (en) * | 2014-10-16 | 2017-10-26 | Heinrich Imhof | Storage facility for the storage of highly volatile hydrocarbons |
| CN108139026A (en) * | 2015-05-28 | 2018-06-08 | 格里高利·E.·杨 | System is covered for the gas of low pressure hydrocarbon tank |
| CN105460446A (en) * | 2015-12-29 | 2016-04-06 | 中国石油化工股份有限公司 | Oil gas collecting device of crude-oil outward floating roof tank |
| JP2017137071A (en) * | 2016-02-01 | 2017-08-10 | 株式会社石井鐵工所 | Automatic air vent of floating roof type tank |
| CN206737529U (en) * | 2017-03-14 | 2017-12-12 | 华陆工程科技有限责任公司 | A kind of monoblock type lattice supporting framework of double plate floating roof |
| CN107084310A (en) * | 2017-06-07 | 2017-08-22 | 江苏新久扬环保设备科技有限公司 | Petroleum vapor recovery floating ball one-way valve and device for recovering oil and gas |
| CN108861179A (en) * | 2018-07-11 | 2018-11-23 | 杜利兵 | A kind of nitrogen-filled seal of volatility oil storage tank and refrigeration-type gas recovery system for oil and method |
| CN110194331A (en) * | 2019-06-27 | 2019-09-03 | 华陆工程科技有限责任公司 | A kind of steel single-deck floating roof multifunctional breath system |
| CN210891021U (en) * | 2019-09-17 | 2020-06-30 | 华陆工程科技有限责任公司 | Automatic ventilation valve with oil vapor recovery function for steel floating roof |
Non-Patent Citations (4)
| Title |
|---|
| 刘亚波: "拱顶储油罐的油气挥发损耗", 化肥设计, no. 02, 25 April 2003 (2003-04-25) * |
| 彭芳、张剑峰: "化工设备", vol. 1, 31 December 2012, 北京理工大学出版社, pages: 286 * |
| 王昊宇: "大连港绿色港口评价体系研究", 大工程科技Ⅱ辑, no. 2017, 15 July 2017 (2017-07-15), pages 034 - 504 * |
| 陈亚楠;赵东风;韩丰磊;卢磊;欧阳振宇;: "浮顶罐挥发性有机物排放量计算及控制措施", 油气储运, no. 05, 27 October 2017 (2017-10-27) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111056160A (en) * | 2020-03-08 | 2020-04-24 | 辽宁石油化工大学 | Oil consumption reduction ventilation device structure for internal floating roof type oil storage tank |
| CN111056160B (en) * | 2020-03-08 | 2021-11-23 | 辽宁石油化工大学 | Oil consumption reduction ventilation device structure for internal floating roof type oil storage tank |
| CN112811019A (en) * | 2021-02-05 | 2021-05-18 | 沃德林科环保设备（北京）有限公司 | Multifunctional full-liquid-receiving inner floating disc central ventilation valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110594571B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110594571A (en) | Automatic ventilation valve with oil vapor recovery function for steel floating roof | |
| CN210891021U (en) | Automatic ventilation valve with oil vapor recovery function for steel floating roof | |
| CN111056161B (en) | Oil consumption reducing internal floating top type oil storage tank device structure | |
| CN203906413U (en) | Hydraulic oil tank | |
| CN110194331B (en) | Multifunctional respiratory system for steel single-disc floating roof | |
| US5919036A (en) | Method and apparatus for burning combustible gases | |
| CN210479652U (en) | Multifunctional breathing system for steel single-deck floating roof | |
| CN113879458A (en) | Combined ventilating mast for dual-fuel ultra-large container ship | |
| CN106322413A (en) | Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney | |
| US3685534A (en) | Vent seals | |
| CN106767043B (en) | Flue gas cooling device | |
| CN210964275U (en) | Energy-conserving efficient separation container | |
| CN212532875U (en) | Light hydrocarbon recovery and oil-water separation device of triethylene glycol regeneration system | |
| CN210392227U (en) | Anti-leakage floating roof tank | |
| CN114435765A (en) | Oil storage tank with zero pollutant emission | |
| CN106338078A (en) | Smoke condensed dew acid liquid collecting device for glass fiber reinforced plastic inner chimney | |
| CN208187231U (en) | A kind of novel gas heat exchanger condensate liquid reflux splitter | |
| CN206184894U (en) | High temperature resistant fume chamber of acid and alkali -resistance | |
| CN202229606U (en) | Layered slicing stacking-assembly type smoke cover | |
| CN204078523U (en) | A kind of flame retardant type floating top of tank | |
| CN215973190U (en) | Steel welding atmospheric storage tank bottom companion heat structure | |
| CN215894159U (en) | Online gas analysis gas-liquid separation device | |
| CN210698567U (en) | Pipeline flame arrester | |
| CN216540103U (en) | Gas collecting channel | |
| CN110783005B (en) | Passive heat conduction device and secondary side passive cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |