CN111661506A - Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve - Google Patents
Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve Download PDFInfo
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- CN111661506A CN111661506A CN202010592251.9A CN202010592251A CN111661506A CN 111661506 A CN111661506 A CN 111661506A CN 202010592251 A CN202010592251 A CN 202010592251A CN 111661506 A CN111661506 A CN 111661506A
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- air inlet
- valve
- pipe
- storage tank
- exhaust
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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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
- B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
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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
- B65D90/00—Component parts, details or accessories for large containers
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- Mechanical Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
A liquid seal mechanical seal double-seal integrated environment-friendly breather valve of an oil storage tank comprises a shell structure, a breather mechanism, an air inlet mechanism, an exhaust mechanism and an adsorption filter medium, wherein the shell structure comprises a cylindrical shell, a shell seat and a shell cover which are connected with the shell through bolts, and the breather mechanism is arranged in the middle of the top of the shell; the exhaust mechanism comprises an exhaust valve inserted into the middle part of the shell, a communicating pipe of an air inlet or an exhaust pipe with an air inlet arranged at the middle part and a flange arranged at the lower end, an exhaust sleeve sleeved on the periphery of the communicating pipe, a radial pipe arranged at the bottom of the periphery of the lower end of the exhaust sleeve, and an annular pipe horizontally welded with the radial pipe; the air inlet mechanism comprises a square air inlet pipe which penetrates through the exhaust sleeve and is welded with the communicating pipe, an air inlet valve sealing cover which is arranged at the upper part of the periphery of the square air inlet pipe, a valve core rod which is connected with a rotating shaft arranged on a bearing seat of the air inlet valve sealing cover and a valve core which is sealed with an air inlet pipe sealing ring; the adsorption filter medium comprises spherical active carbon arranged in the inner circumference mesh sleeve of the exhaust sleeve and transformer oil at the bottom of the shell.
Description
Technical Field
The invention relates to the technical field of oil storage safety, in particular to a liquid seal and mechanical seal integrated environment-friendly breather valve of an oil storage tank. The problems that the investment is large and the light oil cannot be recycled due to the double arrangement of a liquid seal and a mechanical seal breather valve of an oil storage tank are solved.
Background
At present, oil storage tanks, oil field combined treatment stations and oil storage tanks used by oil pipeline departments in the society are provided with liquid seal breather valves and mechanical breather valves for oil storage in a micro-pressure sealing mode for oil storage tank work safety and oil gas volatilization reduction, and meanwhile, the oil storage tanks are protected from work safety. The liquid seal breather valve does not work at ordinary times, when the mechanical breather valve breathes air inefficiently or fails, and the pressure in the oil storage tank is lower than or higher than the working pressure, the air outside the oil storage tank or the air in the oil storage tank rushes open the liquid level to supplement air or exhaust, so that the oil storage tank works under the allowable working pressure, and the oil storage tank is ensured not to be pumped out or blown out. The arrangement ensures the working safety of the oil storage tank, but the light components of the oil are discharged to the atmosphere in the exhaust process of the mechanical breather valve, and the two valves are inconvenient to manage and have large investment, so that a large amount of oil and gas resources and processing cost are lost every year in China.
Disclosure of Invention
The invention aims to provide an oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve, which overcomes the defects in the prior art.
The technical scheme of the invention is realized by the following modes:
the invention comprises the following steps: the breathing device comprises a shell structure, a breathing mechanism, an air inlet mechanism, an exhaust mechanism and an adsorption filter medium, and is characterized in that the shell structure comprises a cylindrical shell, a shell seat and a shell cover which are connected with the shell through bolts, and the breathing mechanism arranged in the middle of the top of the shell; the exhaust mechanism comprises an exhaust valve inserted into the middle part of the shell, a communicating pipe of an air inlet or an exhaust pipe with an air inlet arranged at the middle part and a flange arranged at the lower end, an exhaust sleeve sleeved on the periphery of the communicating pipe, a radiation pipe arranged at the bottom of the periphery of the lower end of the exhaust sleeve and provided with an air outlet, and an annular pipe horizontally welded with the radiation pipe and provided with an air outlet at the bottom; the air inlet mechanism comprises a square air inlet pipe, an air inlet valve sealing cover, a valve core rod and a valve core, wherein the square air inlet pipe penetrates through the exhaust sleeve and is horizontally welded with an air inlet of the communicating pipe; the adsorption filter medium comprises spherical active carbon arranged in the inner peripheral mesh sleeve of the exhaust sleeve and transformer oil at the bottom of the shell; when the pressure in the oil storage tank is low and needs to be supplemented with air, the atmosphere enters from the breathing mechanism to jack the air inlet valve and enters the oil storage tank through the communicating pipe for supplementing with air, and when the pressure in the oil storage tank is balanced with the atmospheric pressure, the air inlet valve is closed by gravity; when the pressure in the oil storage tank is higher than the atmospheric pressure, the exhaust valve is pushed open, the gas in the oil storage tank is adsorbed by the activated carbon, light oil components and harmful gases in the gas flow into the radiation pipe and the annular pipe along with the gas to be discharged into the liquid level of the transformer oil, the light components in the gas are dissolved and adsorbed by the transformer oil, harmless gas is discharged into the atmosphere from the breathing mechanism, the light oil floats on the surface of the transformer oil, and the harmless gas is recycled into the oil storage tank when the oil storage tank is replenished with air, so that the oil quality is ensured, and the environmental pollution is prevented.
The air inlet valve sealing cover is of a right trapezoid shape, the periphery of the air inlet valve sealing cover is provided with a matched edge above the air inlet pipe, the edge is provided with a screw hole and a sealing gasket, and the middle of the top of the air inlet valve sealing cover is transversely provided with a rotating shaft which is provided with a bearing and fixed with an air inlet valve core rod.
The valve core of the air inlet valve is a square body, a square sealing ring groove is formed in the periphery of one side of the valve core, a square sealing ring is arranged in the sealing ring groove, a valve core rod is arranged in the middle of the upper end of the other side of the valve core rod, and a rotating shaft hole is formed in the upper portion of the valve core rod.
The exhaust valve consists of a valve core, a valve seat, a valve rod, a cross righting frame and a micro-pressure return spring, the upper end face of the communicating pipe is set as the valve seat through fine grinding, the cross righting frame is arranged on the inner wall of the communicating pipe at the lower part of the valve seat, the valve core is set as a circular plate with a sealing gasket at the bottom surface, the valve rod penetrates through a righting hole in the center of the cross righting frame to be in threaded connection with a threaded hole in the center of the valve core, and the micro-pressure return spring is.
Respiratory mechanism includes rain-proof cover, filter screen, breather hole, respiratory tube, weather proof cover, and the weather proof cover is in the respiratory tube periphery, and weather proof cover and respiratory tube vertical welding are in the periphery of the mouth of respiration at casing lid middle part, and the filter screen is established in the respiratory tube, and rain-proof cover is established to semi-circle, through supporting with weather proof cover fixed link.
Compared with the prior art, the invention has the following advantages:
1. the air inlet valve is opened and closed to supplement air for the oil storage tank, the opening is flexible, when the pressure in the oil storage tank is lower than one atmospheric pressure, the valve core of the air inlet valve is forced to be opened under the action of the atmospheric pressure, the piston on the exhaust pipe moves upwards and is sealed under the action of the reset spring and the atmospheric pressure, the atmosphere enters the oil storage tank from the communicating pipe to supplement air, the air flux is large, the air supplement is rapid, and when the pressure in the oil storage tank is balanced with the atmospheric pressure, the air inlet valve is closed under the action of.
2. When the pressure in the oil storage tank is higher than the atmospheric pressure, the exhaust valve is opened, the gas in the oil storage tank is adsorbed by the activated carbon, light oil light components and harmful gas in the gas flow into the radiation pipe and the annular pipe along with the gas to be discharged into the liquid level of the transformer oil, the light components in the gas are dissolved and adsorbed by the transformer oil, the harmless gas is discharged into the atmosphere from the breathing mechanism, the light oil floats on the surface of the transformer oil, and is recovered into the oil storage tank when the oil storage tank is replenished with air, so that the oil quality is ensured, and the environmental pollution is prevented.
3. The breathing mechanism prevents rain and snow from entering the shell, has enough air suction and exhaust capacity, and ensures the stable work of the invention.
4. The liquid seal breather valve and the mechanical breather valve arranged on the original oil storage tank are replaced by the valve, the number of the liquid seal breather valve and the mechanical breather valve can be set according to the size of the oil storage tank, light components are recovered, management is convenient, cost is saved, and energy loss is prevented.
Drawings
FIG. 1-schematic view of the structure of the present invention
In the figure: 1-rain cover, 2-filter screen, 3-breathing hole, 4-breathing tube, 5-weather sleeve, 6-shell, 7-exhaust sleeve, 8-exhaust valve, 9-cross righting frame, 10-micro pressure return spring, 11-square air inlet tube, 12-air inlet valve, 13-adsorption filter medium, 14-annular tube, 15-air outlet hole, 16-air inlet valve sealing cover, 17-rotating shaft, 18-bearing, 19-valve core rod, 20-limiting block, 21-radiation tube, 22-horse teeth cover, 23-communicating tube, 24-activated carbon net, 25-spherical activated carbon, 26-fixing screw, 27-rubber pad and 28-flange.
Detailed Description
To further disclose the technical scheme of the invention, the following detailed description is made by embodiments in combination with the attached drawings of the specification:
the invention comprises the following steps: the breathing device comprises a shell structure, a breathing mechanism, an air inlet mechanism, an exhaust mechanism and an adsorption filter medium, and is characterized in that the shell structure comprises a cylindrical shell, a shell seat and a shell cover which are connected with shell fixing screws, and the breathing mechanism is arranged in the middle of the top of the shell; the exhaust mechanism comprises an exhaust valve inserted into the middle part of the shell, a communicating pipe of an air inlet or an exhaust pipe with a flange at the lower end, an exhaust sleeve sleeved on the periphery of the communicating pipe, a radial pipe with an exhaust hole at the bottom arranged on the periphery of the lower end of the exhaust sleeve, and an annular pipe with an exhaust hole at the bottom, which is horizontally welded with the radial pipe; the air inlet mechanism comprises a square air inlet pipe, an air inlet valve sealing cover, a valve core rod and a valve core, wherein the square air inlet pipe penetrates through the exhaust sleeve and is horizontally welded with an air inlet of the communicating pipe; the adsorption filter medium comprises spherical active carbon arranged in the inner peripheral mesh sleeve of the exhaust sleeve and transformer oil at the bottom of the shell; when the pressure in the oil storage tank is low and needs to be supplemented with air, the atmosphere enters from the breathing mechanism to jack the air inlet valve and enters the oil storage tank through the communicating pipe for supplementing with air, and when the pressure in the oil storage tank is balanced with the atmospheric pressure, the air inlet valve is closed by gravity; when the pressure in the oil storage tank is higher than the atmospheric pressure, the exhaust valve is pushed open, the gas in the oil storage tank is adsorbed by the activated carbon, light oil components and harmful gases in the gas flow into the radiation pipe and the annular pipe along with the gas to be discharged into the liquid level of the transformer oil, the light components in the gas are dissolved and adsorbed by the transformer oil, harmless gas is discharged into the atmosphere from the breathing mechanism, the light oil floats on the surface of the transformer oil, and the harmless gas is recycled into the oil storage tank when the oil storage tank is replenished with air, so that the oil quality is ensured, and the environmental pollution is prevented.
When the invention is assembled, the communicating pipe 23 of the exhaust mechanism is welded with the bottom of the shell, the exhaust pipe sleeve 7 is sleeved on the communicating pipe, the bottom of the exhaust pipe sleeve is welded with the communicating pipe, the square air inlet pipe is welded with the communicating pipe and the exhaust pipe sleeve, and the radiation pipe 21 and the annular pipe 14 are welded on the periphery of the lower end part of the exhaust pipe sleeve. A rotating shaft 17 of an air inlet valve sealing cover 16 is fixed with a valve core rod 19 and an air inlet valve 12, the rotating shaft is fixed on the air inlet valve sealing cover through a bearing, a sealing gasket is arranged on the edge of an opening of the air inlet pipe, the air inlet valve sealing cover 16 is buckled, and the air inlet valve sealing cover is fixed with a square air inlet pipe through a fixing screw. A valve core rod of the exhaust valve is sleeved with a micropressure return spring 10, the valve core rod penetrates through a righting hole of a cross righting frame 9 to be in threaded connection with a valve core of an exhaust valve 8, an active carbon annular net 24 is placed in an exhaust sleeve, spherical active carbon 25 is filled in the exhaust sleeve, and a horse teeth buckle cover 22 is screwed on. A rubber pad 27 is placed on the housing seat and fixed with the housing 6 by a fixing screw. The transformer oil with the adsorption filter medium 13 is poured into the shell, the height of the liquid level is determined by the working pressure of the oil storage tank, the liquid level energy required by the invention is lower than the working pressure of the oil storage tank, the shell cover is covered, and the transformer oil is fixed by the fixing screw, so that the assembly of the transformer oil tank is completed. Is mounted on the breathing orifice of the oil storage tank by a flange 28.
Working principle of the invention
The invention solves the problems that the oil storage tank conveys oil outwards, the pressure in the tank is reduced, air is required to be supplied, the oil is filled into the oil storage tank, the air is timely supplied and exhausted when the pressure in the tank is increased and the air is required to be exhausted, prevents the oil storage tank from being pumped out or blown out, and solves the problems of recovery of volatile light components of the oil and environmental pollution caused by harmful gas.
When the pressure in the oil storage tank is low and air supplement is needed, the atmosphere enters from the breathing mechanism rain cover 1, the filter screen 2, the breathing hole 3 of the breathing tube 4 and the windproof rain cover 5, the air inlet valve 12 is pushed open and enters the oil storage tank through the communicating pipe 23 for air supplement, and when the pressure in the oil storage tank is balanced with the atmospheric pressure, the air inlet valve is closed by gravity; when the pressure in the oil storage tank is higher than the atmospheric pressure, the exhaust valve 8 is pushed open, the gas in the oil storage tank is adsorbed by the activated carbon, light oil components and harmful gas in the gas flow into the radiation pipe 21 and the annular pipe 14 along with the gas to be discharged and enter the liquid level of the transformer oil, the light components in the gas are dissolved and adsorbed by the transformer oil, harmless gas is discharged into the atmosphere from the breathing mechanism, the light oil floats on the surface of the transformer oil, and is recovered into the oil storage tank when the oil storage tank is replenished with air, so that the oil quality is ensured and the environmental pollution is prevented.
Claims (5)
1. A liquid seal mechanical seal double-seal integrated environment-friendly breather valve of an oil storage tank comprises a shell structure, a breather mechanism, an air inlet mechanism, an exhaust mechanism and an adsorption filter medium, and is characterized in that the shell structure comprises a cylindrical shell (6), a shell seat and a shell cover which are connected with shell fixing screws (26), and the breather mechanism arranged in the middle of the shell cover; the exhaust mechanism comprises an exhaust valve (8) inserted into the middle part of the shell, a communicating pipe (23) of an air inlet or exhaust pipe with an air inlet arranged at the middle part and a flange (28) arranged at the lower end, an exhaust sleeve (7) sleeved on the periphery of the communicating pipe, a radial pipe (21) arranged at the bottom of the periphery of the lower end of the exhaust sleeve and provided with an air outlet (15), and a ring pipe (14) horizontally welded with the radial pipe and provided with an exhaust hole at the bottom; the air inlet mechanism comprises a square air inlet pipe (11) which penetrates through the exhaust sleeve and is horizontally welded with an air inlet of the communicating pipe, an air inlet valve sealing cover (16) which is arranged at the upper part of the periphery of the square air inlet pipe and is connected by a fixing screw, a valve core rod which is connected with a rotating shaft (17) arranged on a bearing (18) of the air inlet valve sealing cover and a valve core which is sealed with the square air inlet pipe sealing ring; the adsorption filter medium (13) comprises spherical activated carbon (25) arranged in an activated carbon net (24) on the inner periphery of the exhaust sleeve and transformer oil at the bottom of the shell; when the pressure in the oil storage tank is low and needs to be supplemented with air, the atmosphere enters from the breathing mechanism to jack the air inlet valve and enters the oil storage tank through the communicating pipe for supplementing with air, and when the pressure in the oil storage tank is balanced with the atmospheric pressure, the air inlet valve is closed by gravity; when the pressure in the oil storage tank is higher than the atmospheric pressure, the exhaust valve is pushed open, the gas in the oil storage tank is adsorbed by the activated carbon, light oil components and harmful gases in the gas flow into the radiation pipe and the annular pipe along with the gas to be discharged into the liquid level of the transformer oil, the light components in the gas are dissolved and adsorbed by the transformer oil, harmless gas is discharged into the atmosphere from the breathing mechanism, the light oil floats on the surface of the transformer oil, and the harmless gas is recycled into the oil storage tank when the oil storage tank is replenished with air, so that the oil quality is ensured, and the environmental pollution is prevented.
2. The oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve according to claim 1, characterized in that: the air inlet valve sealing cover is of a right trapezoid shape, a matched edge is arranged on the periphery of the air inlet valve sealing cover and matched with the square air inlet pipe, a screw hole and a sealing gasket are arranged on the edge, and a rotating shaft which is provided with a bearing and fixed with an air inlet valve core rod is transversely arranged in the middle of the top of the air inlet valve sealing cover.
3. The oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve according to claim 1, characterized in that: the valve core of the air inlet valve is a square body, a square sealing ring groove is formed in the periphery of one side of the valve core, a square sealing ring is arranged in the sealing ring groove, a valve core rod is arranged in the middle of the upper end of the other side of the valve core rod, and a rotating shaft hole is formed in the upper portion of the valve core rod.
4. The oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve according to claim 1, characterized in that: the exhaust valve consists of a valve core, a valve seat, a valve rod, a cross righting frame and a micro-pressure return spring, the upper end face of the communicating pipe is set as the valve seat through fine grinding, the cross righting frame is arranged on the inner wall of the communicating pipe at the lower part of the valve seat, the valve core is set as a circular plate with a sealing gasket at the bottom surface, the valve rod penetrates through a righting hole in the center of the cross righting frame to be in threaded connection with a threaded hole in the center of the valve core, and the micro-pressure return spring is.
5. The oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve according to claim 1, characterized in that: respiratory mechanism includes rain-proof cover (1), filter screen (2), breathing hole (3), breathing tube (4), weather proof cover (5), and the weather proof cover is in the breathing tube periphery, and weather proof cover and breathing tube vertical welding are in the periphery of the mouth of respiration at casing lid middle part, and the filter screen is established in the breathing tube, and rain-proof cover is established to semi-circle, through supporting and weather proof cover fixed link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592251.9A CN111661506A (en) | 2020-06-25 | 2020-06-25 | Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010592251.9A CN111661506A (en) | 2020-06-25 | 2020-06-25 | Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve |
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| Publication Number | Publication Date |
|---|---|
| CN111661506A true CN111661506A (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010592251.9A Withdrawn CN111661506A (en) | 2020-06-25 | 2020-06-25 | Oil storage tank liquid seal mechanical seal double-seal integrated environment-friendly breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111661506A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207251U (en) * | 1986-09-26 | 1987-10-28 | 河北师范大学代用燃料研究所 | Double liquid seal breather valve for tank |
| CN2152956Y (en) * | 1993-03-17 | 1994-01-12 | 郭守香 | Multifunctional respiratory valve for petroleum storage tank |
| US20020014265A1 (en) * | 2000-08-02 | 2002-02-07 | Kenji Nakahara | Storing device for easily polymerizable and coagulating liquid substance and method for pressure control thereof |
| JP2011194310A (en) * | 2010-03-18 | 2011-10-06 | Tokiko Techno Kk | Apparatus for recovering vapor |
| CN204872289U (en) * | 2015-08-26 | 2015-12-16 | 成都杰晟蜀邦新材料科技有限公司 | Storage tank liquid seal device |
| CN206874908U (en) * | 2017-05-01 | 2018-01-12 | 辽宁裕丰化工有限公司 | A kind of deadweight safety valve |
| CN208311561U (en) * | 2018-06-01 | 2019-01-01 | 河北瑞良燃气设备有限公司 | A kind of breathing equipment of natural gas odorization machine |
-
2020
- 2020-06-25 CN CN202010592251.9A patent/CN111661506A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86207251U (en) * | 1986-09-26 | 1987-10-28 | 河北师范大学代用燃料研究所 | Double liquid seal breather valve for tank |
| CN2152956Y (en) * | 1993-03-17 | 1994-01-12 | 郭守香 | Multifunctional respiratory valve for petroleum storage tank |
| US20020014265A1 (en) * | 2000-08-02 | 2002-02-07 | Kenji Nakahara | Storing device for easily polymerizable and coagulating liquid substance and method for pressure control thereof |
| JP2011194310A (en) * | 2010-03-18 | 2011-10-06 | Tokiko Techno Kk | Apparatus for recovering vapor |
| CN204872289U (en) * | 2015-08-26 | 2015-12-16 | 成都杰晟蜀邦新材料科技有限公司 | Storage tank liquid seal device |
| CN206874908U (en) * | 2017-05-01 | 2018-01-12 | 辽宁裕丰化工有限公司 | A kind of deadweight safety valve |
| CN208311561U (en) * | 2018-06-01 | 2019-01-01 | 河北瑞良燃气设备有限公司 | A kind of breathing equipment of natural gas odorization machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112557993A (en) * | 2020-11-13 | 2021-03-26 | 广东电网有限责任公司广州供电局 | Vegetable oil transformer thermal fault simulation system based on eddy current heating |
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Application publication date: 20200915 |