CN205045281U - Large -scale storage tank vapor recovery system system - Google Patents
Large -scale storage tank vapor recovery system system Download PDFInfo
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- CN205045281U CN205045281U CN201520629435.2U CN201520629435U CN205045281U CN 205045281 U CN205045281 U CN 205045281U CN 201520629435 U CN201520629435 U CN 201520629435U CN 205045281 U CN205045281 U CN 205045281U
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Abstract
The utility model relates to an oil storage facilities, specific large -scale storage tank vapor recovery system system that says so, its include PC monitoring equipment, data signal connect be qualified for the next round of competitions, power cord, explosion -proof type pressure sensor, large -scale oil tank, oil tank vacuum valve, urgent atmospheric valve, gas holder air outlet valve, the pipeline of bleeding, oil tank air outlet valve, compressor, gas holder admission valve, gas holder and processing center, the power cord is connected with explosion -proof type pressure sensor, the PC monitoring equipment connects through data signal that be qualified for the next round of competitions and explosion -proof type pressure sensor is connected, explosion -proof type pressure sensor settles at large -scale oil tank internal surface left end, bleed and pass through pipeline connection between pipeline, oil tank air outlet valve, compressor, gas holder admission valve and the gas holder mutually. Beneficial effect: simple easy operation, the material resources of using manpower sparingly, a whole set of flow totally -enclosed realizes volatilizing oil gas zero release and full recovery, receives external influence factor less, high -efficient environmental protection.
Description
Technical field
The utility model relates to a kind of oil storage equipment, specifically a kind of large-scale storage tank gas recovery system for oil, is intended to the oil vapour reclaiming evaporation loss in large tank, alleviates environmental pollution, increase economic efficiency.
Background technology
Along with China payes attention to further to petroleum strategic reserves policy, the quantity of petroleum storage tank in all parts of the country constantly increases.Due in oil containing a large amount of light hydrocarbon component, there is very strong volatility, therefore in deposit process, due to the change of ambient temperature and pressure of storage tank, make Loss of Oil Evaporation unavoidable.Oil gas evaporation diffusion in storage tank and discharge, not only cause the waste of resource and economic loss, and when oil vapour mixes with surrounding air, damp can be formed, reach explosive limits to run into naked light and very easily combustion explosion occurs, bring potential safety hazard, and the oil vapour harm health of people of discharge.Therefore, design a kind of device of simple reclaimed oil steam efficiently, the potential safety hazard that oil gas volatilization brings can not only be reduced, and can effectively economize on resources, ensure that construction operation personnel's is healthy and safe.
Petroleum vapor recovery processing method conventional at present has combustion method, condensation method, solvent absorption, absorption method, membrane separation process etc.Combustion method is the direct emptying burning of oil vapour that will produce, and not only cause economic waste, and generation carbon dioxide can cause green-house effect.Condensation method utilizes hydro carbons different saturated vapor pressure at different temperatures and pressures, and by lowering the temperature or pressurizeing, all kinds of hydrocarbon is isolated successively, this method safety performance is good, and the percent recovery is high, but investment is large, and energy consumption is high.Solvent absorption is the solubility utilizing different hydrocarbons different in lysate, isolates successively, this method small investment, and operating cost is low, but absorption liquid is shorter for service life, and the absorption efficiency impact of different absorption liquid is comparatively large, costly.Absorption method is the difference utilizing each component and adsorbent ability in oil vapour, difficult absorption is made to realize being separated with easy absorbed component, when absorption reaches capacity, by the adsorbent mode desorb vacuumized, the component of separating sucking-off is recycled by a series of device, and the absorption method percent recovery is higher, but equipment needed thereby is more, investment cost is high, and the impact that organic efficiency receives adsorbent is larger.Membrane gas is separated, utilize polymeric membrane to the selection crossing ability of oil gas, oil vapour is under certain pressure promotes, oil gas in mixture gas is preferentially recycled by film, and air is optionally retained, membrane separating is applied widely, flexible operation, but cost is high, membrane module needs periodic replacement.
Summary of the invention
The utility model overcomes the defect existing for prior art and method, and propose a kind of large-scale storage tank gas recovery system for oil, technical scheme is as follows:
Large-scale storage tank gas recovery system for oil, comprises PC monitoring equipment, digital signal leading-out wire, power lead, explosion proof type pressure sensor, large oil tank, oil tank vacuum valve, emergency blow-down valve, storage tank air outlet valve, to bleed pipeline, oil tank air outlet valve, compressor, storage tank air inlet valve, storage tank and processing enter, described power lead is connected with explosion proof type pressure sensor, described PC monitoring equipment is connected with explosion proof type pressure sensor by digital signal leading-out wire, and described explosion proof type pressure sensor is placed in large oil tank inside face left end, described in bleed pipeline, oil tank air outlet valve, compressor, connected by pipeline mutually between storage tank air inlet valve and storage tank, pipeline left end of bleeding is linked in large oil tank lower right side, pipeline of bleeding can regulate the position of arrival end according to gas oil interface, the oil vapour of concentration highest zone in timely extraction tank, described oil tank vacuum valve is connected by pipeline successively with storage tank air outlet valve, oil tank vacuum valve left end is connected with large oil tank, storage tank air outlet valve right-hand member is connected with storage tank, be provided with emergency blow-down valve in the middle of oil tank vacuum valve and storage tank air outlet valve, described storage tank right-hand member is provided with processing enter.
Above-mentioned digital signal leading-out wire and power lead adopt polyvinyl chloride insulating flexible cable electric wire, extend the Instrument use life-span, reduce tank fire potential safety hazard.
Above-mentioned power lead and digital signal leading-out wire adopt polyvinyl chloride insulation cord.
Above-mentioned gas transmission line to compressor section arranges ground oil tank and to give vent to anger valve, when accident or maintenance appear in compressor, can close oil tank and to give vent to anger valve, keep airtight in large tank, prevent oil vapour from leaking.
The storage tank air intake valve arranged in above-mentioned compressor outlet to the pipeline section of storage tank, when there is accident or maintenance in storage tank, storage tank air intake valve can be closed, keep airtight in large tank, in storage tank, oil vapour processes to treating stations processing by tank car or pipeline transportation, ensures the recycling of oil vapour; When hair oil in storage tank or tank internal pressure too low time, vacuum valve is opened automatically, extracts oil vapour in storage tank, prevent oil tank because hypotony produces flat, the recessed phenomenon such as to split, with the safety of proterctive equipment.
Above-mentioned cannot suck oil vapour when storage tank occurs that accident or maintenance or storage tank internal pressure are too low, opens emergency blow-down valve, closes storage tank air outlet valve, suck air, prevents the phenomenons such as oil tank splits because hypotony generation is flat, recessed, with the safety of proterctive equipment.
Above-mentioned storage tank oil-gas storage pressure is 300-500kPa.
Beneficial effect: the utility model equipment simply easily operates, need not be equipped with extra operating personal, use manpower and material resources sparingly; Entire work flow can realize totally-enclosed, realizes vaporizing oil-gas zero-emission and full recovery, less by external influence factor, can meet oil vapour evaporation loss in various oil gas storage tank, accomplish high-efficiency environment friendly.
Accompanying drawing explanation
Fig. 1: the utility model large-scale storage tank gas recovery system for oil constructional drawing;
1.PC monitoring equipment, 2. digital signal leading-out wire, 3. power lead, 4. explosion proof type pressure sensor, 5. large oil tank, 6. oil tank vacuum valve, 7. emergency blow-down valve, 8. storage tank air outlet valve, pipeline of 9. bleeding, 10. oil tank air outlet valve, 11. compressors, 12. storage tank air inlet valves, 13. storage tanks, 14. processing enters.
Detailed description of the invention
By reference to the accompanying drawings 1, the utility model will be further described, a kind of large-scale storage tank gas recovery system for oil, comprise PC monitoring equipment (1), digital signal leading-out wire (2), power lead (3), explosion proof type pressure sensor (4), large oil tank (5), oil tank vacuum valve (6), emergency blow-down valve (7), storage tank air outlet valve (8), to bleed pipeline (9), oil tank air outlet valve (10), compressor (11), storage tank air inlet valve (12), storage tank (13) and processing enter (14), described power lead (3) is connected with explosion proof type pressure sensor (4), described PC monitoring equipment (1) is connected with explosion proof type pressure sensor (4) by digital signal leading-out wire (2), described explosion proof type pressure sensor (4) is placed in large oil tank (5) inside face left end, described pipeline of bleeding (9), oil tank air outlet valve (10), compressor (11), connected by pipeline mutually between storage tank air inlet valve (12) and storage tank (13), pipeline (9) left end of bleeding is linked in large oil tank (5) lower right side, described oil tank vacuum valve (6) is connected by pipeline successively with storage tank air outlet valve (8), oil tank vacuum valve (6) left end is connected with large oil tank (5), storage tank air outlet valve (8) right-hand member is connected with storage tank (13), emergency blow-down valve (7) is provided with in the middle of oil tank vacuum valve (6) and storage tank air outlet valve (8), described storage tank (13) right-hand member is provided with processing enter (14).
The relative density of large oil tank (5) interior oil-gas ratio air is large, thus under gravity, oil vapour is gathered in gas oil interface place more, therefore according to the liquidometer in large oil tank (5), the position of bleeding regulating pipeline (9), makes its arrival end close on 30cm place above gas oil interface.According to different regions climate environment and large oil tank (5) interior storage medium, open and close the force value of compressor (11) in conjunction with actual conditions setting.
With diameter 30m, volume is 3000m
3fixing large oil tank (5) be example, setting compressor (11) response pressure be 40-55kPa, compressor (11) shutoff pressure is 20-30kPa.According to the change of the upper overpressure of PC monitoring equipment (1), after large oil tank (5) internal pressure is greater than 40-55kPa setting value, automatic unlatching oil tank air outlet valve (10), compressor (11), storage tank air inlet valve (12), after suction a period of time, after large oil tank (5) internal pressure is lower than 20-30kPa setting value, automatically close oil tank air outlet valve (10), compressor (11), storage tank air inlet valve (12).The oil vapour extracted in large oil tank (5) is saved in storage tank (13), when in storage tank (13), oil vapour reaches 300-500kPa, close storage tank air inlet valve (12) and storage tank air outlet valve (8), available tank car or pipeline transportation extremely can defeated uses outward to treating stations recycling.When in storage tank (13) when hair oil or hypotony, large oil tank (5) vacuum valve is opened automatically, extracts storage tank (13) interior oil vapour, balances large oil tank (5) internal pressure with the safety of proterctive equipment.
The concrete operation step of the large-scale storage tank gas recovery system for oil reclaimed oil steam that the present embodiment provides is:
Step 1: according to pasta liquidometer, monitoring draws interior oil product liquid level, and pipeline (9) arrival end of bleeding slowly moves to 30cm place above gas oil interface;
Step 2: monitor the interior oil vapour pressure of large oil tank (5) in real time by explosion proof type pressure sensor (4) and PC monitoring equipment (1), after pressure reaches setting value, automatically open compressor (11), oil tank air outlet valve (10), storage tank air inlet valve (12);
Step 3: oil vapour is extracted after to storage tank (13), large oil tank (5) internal pressure drops to setting value numerical value, automatic close compressor (11), oil tank air outlet valve (10), storage tank air inlet valve (12);
Step 4: when oil vapour is to bearing capacity in storage tank (13), close storage tank air inlet valve (12), storage tank air outlet valve (10), oil vapour is transported to treating stations by natural gas tank car and focuses on to can defeated use outward.
Step 5: when hair oil in storage tank (13) or the impact of other factors cause large oil tank (5) internal pressure too low; large oil tank (5) vacuum valve is opened automatically; extract storage tank (13) interior oil vapour; prevent the phenomenons such as large oil tank (5) splits because hypotony generation is flat, recessed, with the safety of proterctive equipment.
Claims (3)
1. large-scale storage tank gas recovery system for oil, is characterized in that: comprise PC monitoring equipment (1), digital signal leading-out wire (2), power lead (3), explosion proof type pressure sensor (4), large oil tank (5), oil tank vacuum valve (6), emergency blow-down valve (7), storage tank air outlet valve (8), to bleed pipeline (9), oil tank air outlet valve (10), compressor (11), storage tank air inlet valve (12), storage tank (13) and processing enter (14), described power lead (3) is connected with explosion proof type pressure sensor (4), described PC monitoring equipment (1) is connected with explosion proof type pressure sensor (4) by digital signal leading-out wire (2), described explosion proof type pressure sensor (4) is placed in large oil tank (5) inside face left end, described in bleed pipeline (9), oil tank air outlet valve (10), compressor (11), connected by pipeline mutually between storage tank air inlet valve (12) and storage tank (13), pipeline (9) left end of bleeding is linked in large oil tank (5) lower right side, described oil tank vacuum valve (6) is connected by pipeline successively with storage tank air outlet valve (8), oil tank vacuum valve (6) left end is connected with large oil tank (5), storage tank air outlet valve (8) right-hand member is connected with storage tank (13), be provided with emergency blow-down valve (7) in the middle of oil tank vacuum valve (6) and storage tank air outlet valve (8), described storage tank (13) right-hand member is provided with processing enter (14).
2. large-scale storage tank gas recovery system for oil according to claim 1, is characterized in that: digital signal leading-out wire (2) and power lead (3) adopt polyvinyl chloride insulating flexible cable electric wire.
3. large-scale storage tank gas recovery system for oil according to claim 1, is characterized in that: power lead (3) and digital signal leading-out wire (2) adopt polyvinyl chloride insulation cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629435.2U CN205045281U (en) | 2015-08-14 | 2015-08-14 | Large -scale storage tank vapor recovery system system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629435.2U CN205045281U (en) | 2015-08-14 | 2015-08-14 | Large -scale storage tank vapor recovery system system |
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| CN205045281U true CN205045281U (en) | 2016-02-24 |
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| CN201520629435.2U Expired - Fee Related CN205045281U (en) | 2015-08-14 | 2015-08-14 | Large -scale storage tank vapor recovery system system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586318A (en) * | 2016-12-30 | 2017-04-26 | 南通中远船务工程有限公司 | Closed FPSO petroleum tank inhalation-exhalation system |
| CN107328250A (en) * | 2017-08-28 | 2017-11-07 | 贾海亮 | A kind of efficient heavy wash oil condensing unit |
| CN108466775A (en) * | 2018-02-24 | 2018-08-31 | 中国石油天然气股份有限公司 | It is a kind of to collect defeated station volatile organic matter recovery system and method |
| CN111637272A (en) * | 2020-06-04 | 2020-09-08 | 无锡英罗唯森科技有限公司 | Self-operated liquid level regulating device |
| CN111846675A (en) * | 2020-08-12 | 2020-10-30 | 眉山麦克在线设备股份有限公司 | Oil gas volatilization inhibition system and method with inert gas protection function |
| CN111907953A (en) * | 2020-08-12 | 2020-11-10 | 眉山麦克在线设备股份有限公司 | Oil gas volatilization inhibition system and method |
-
2015
- 2015-08-14 CN CN201520629435.2U patent/CN205045281U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106586318A (en) * | 2016-12-30 | 2017-04-26 | 南通中远船务工程有限公司 | Closed FPSO petroleum tank inhalation-exhalation system |
| CN106586318B (en) * | 2016-12-30 | 2019-03-15 | 南通中远船务工程有限公司 | FPSO cargo tank rebreather |
| CN107328250A (en) * | 2017-08-28 | 2017-11-07 | 贾海亮 | A kind of efficient heavy wash oil condensing unit |
| CN108466775A (en) * | 2018-02-24 | 2018-08-31 | 中国石油天然气股份有限公司 | It is a kind of to collect defeated station volatile organic matter recovery system and method |
| CN108466775B (en) * | 2018-02-24 | 2019-10-11 | 中国石油天然气股份有限公司 | It is a kind of to collect defeated station volatile organic matter recovery system and method |
| CN111637272A (en) * | 2020-06-04 | 2020-09-08 | 无锡英罗唯森科技有限公司 | Self-operated liquid level regulating device |
| CN111846675A (en) * | 2020-08-12 | 2020-10-30 | 眉山麦克在线设备股份有限公司 | Oil gas volatilization inhibition system and method with inert gas protection function |
| CN111907953A (en) * | 2020-08-12 | 2020-11-10 | 眉山麦克在线设备股份有限公司 | Oil gas volatilization inhibition system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20160814 |