CN106764392B - Outer steel inner membrance marsh gas cabinet - Google Patents
Outer steel inner membrance marsh gas cabinet Download PDFInfo
- Publication number
- CN106764392B CN106764392B CN201611196549.8A CN201611196549A CN106764392B CN 106764392 B CN106764392 B CN 106764392B CN 201611196549 A CN201611196549 A CN 201611196549A CN 106764392 B CN106764392 B CN 106764392B
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- Prior art keywords
- outer tank
- inner membrane
- methane
- tank
- cabinet
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17B—GAS-HOLDERS OF VARIABLE CAPACITY
- F17B1/00—Gas-holders of variable capacity
- F17B1/02—Details
- F17B1/14—Safety devices, e.g. prevention of excess pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention relates to an outer steel inner membrane methane cabinet. Including outer jar, inner membrance, head, top circle, vent, intake pipe, outlet duct, safe evacuation pipe, level meter, shutter, fan, access door and rag bolt, outer tank deck portion is equipped with the vent, inner membrance top fixed seal is on the head, the head is fixed on the top circle at outer tank deck portion, inner membrance bottom trompil respectively with pre-buried intake pipe, outlet duct and the safe evacuation pipe sealing connection in the concrete foundation, marsh gas cabinet storage volume detects through the level meter, the outer tank bottom of marsh gas cabinet still is equipped with the fan all around for the inside use of taking a breath of outer jar of marsh gas under the emergency, when marsh gas concentration falls to the safe concentration within range, the maintainer passes through the access door and gets into in the outer jar, implements online maintenance to the marsh gas inner membrance. The methane tank has the advantages of large gas storage capacity, simple and convenient control, lower energy consumption, realization of online maintenance and higher safety.
Description
Technical Field
the invention relates to the field of biogas engineering, in particular to an outer steel inner film biogas cabinet for storing biogas.
Background
chinese utility model patent publication No. CN 203743815U discloses a two membrane gas holder, and this two membrane gas holder includes adventitia, intima, basement membrane, solid fixed ring, level meter, mends wind device, base and marsh gas intake pipe, and adventitia, intima, basement membrane are all fixed on solid fixed ring, gu fixed ring is located the base, mend wind device and be located the adventitia and communicate with each other with the air, the level meter is located the adventitia, its characterized in that still includes air outlet means and is located the adventitia. This time utility model discloses increased air outlet means, when mending the wind device to the intramembranous air supplement, the intramembranous atmospheric pressure can steadily increase or reduce, the normal operating of equipment in the guarantee entire system.
The technical solution provided by this prior patent has the following problems and drawbacks:
(1) The double-membrane gas holder is 3/4 spherical, and has small methane storage amount and large floor area due to the impression of the shape;
(2) The external material of the double-membrane gas holder is a PVC membrane, so that the double-membrane gas holder is easily damaged by external force to cause potential safety hazards;
(3) The pressure of the inner membrane and the pressure of the outer membrane are controlled by the blower, the control is complex, and the power consumption is high;
(4) The double-membrane gas holder consists of a bottom membrane, an inner membrane, an outer membrane and three membranes, wherein the three membranes are tightly sealed by bolts in a penetrating way, so that the number is large, the leakage point of methane is increased, and the safety of the methane membrane cannot be ensured;
(5) once the double-film gas holder has gas blowby between the inner film and the outer film or the inner film is broken, the double-film gas holder can only be completely disassembled and returned to a factory for repair.
Disclosure of Invention
aiming at the problems in the prior art, the invention provides the outer steel inner membrane methane tank which is large in gas storage capacity, simple and convenient to control, low in energy consumption, capable of realizing online maintenance and safer.
in order to solve the problems, the invention provides an outer steel inner membrane methane tank, which is characterized in that: comprises an outer tank (1), an inner membrane (2), a seal head (3), a top ring (4), a vent (5), an air inlet pipe (9), an air outlet pipe (10), a safe emptying pipe (11), a material level meter (14) and foundation bolts (16);
the outer tank (1) is fixed through foundation bolts (16) pre-buried on a concrete foundation, and a ventilation opening (5) is formed in the top of the outer tank (1);
the top of the inner membrane (2) is fixedly sealed on the seal head (3), and the seal head (3) is fixed on a top ring (4) at the top of the outer tank (1);
The air inlet pipe (9), the air outlet pipe (10) and the safe emptying pipe (11) are pre-buried in the concrete foundation;
the bottom of the inner membrane (2) is provided with three holes which are respectively connected with an air inlet pipe (9), an air outlet pipe (10) and a safe emptying pipe (11) which are pre-embedded in a concrete foundation in a sealing way;
the level meter (14) is arranged on the wall of the outer tank (1), and the storage volume of the methane tank is detected through the level meter (14).
as an improvement, a gas alarm (13) is arranged between the outer tank (1) and the inner membrane (2) of the methane cabinet and used for giving an alarm when methane in the inner membrane (2) leaks.
As an improvement, the device also comprises three shutters (6), wherein the shutters (6) are arranged on the outer tank (1), and the three shutters (6) are respectively positioned at the upper part, the middle part and the lower part of the outer tank (1). When the inner membrane is damaged and leaks, the louver can play a role in ventilation, and people can conveniently check the positions.
As a further improvement, fans (7) are arranged around the bottom of the outer tank (1) of the methane cabinet and used for ventilating the interior of the outer tank of the methane in an emergency state;
when the inner membrane (2) of the methane tank is damaged and leaks, the fans (7) on the periphery of the wall of the outer tank (1) can be opened, fresh air outside the outer tank (1) is sent into the outer tank (1) and exhausted through the vent (5) on the top, the shutter (6) on the wall of the outer tank and the top ring (4),
as a further improvement, the biogas digester further comprises an access door (8), and under the condition that the inner membrane (2) of the biogas digester cabinet leaks, the fan (7) is started to ventilate so as to dilute the biogas concentration in the outer tank (1).
When the concentration of the methane is reduced to the safe concentration range, the maintainers enter the outer tank (1) through the access door (8) to carry out online maintenance on the inner methane membrane (2) without completely disassembling and completely returning to the factory for maintenance,
Preferably, the fan (7) is a glass fiber reinforced plastic axial flow fan.
As a further improvement, the steel ladder (12) is further included, and the steel ladder (12) is arranged on the wall of the outer tank (1).
as can be seen from the above description, the present invention has the following advantages:
(1) the same floor space (taking the diameter of 15m as an example), the height of the double-membrane gas holder is 3/4 balls, and the biogas storage volume is only 1500m 3; the outer steel inner membrane biogas cabinet is cylindrical in shape, the height of the outer steel inner membrane biogas cabinet can reach 16m, and the biogas storage volume of the outer steel inner membrane biogas cabinet can reach 2500m 3. The occupied area is small, the storage capacity is large, and the biogas storage device is more suitable for use in a biogas storage project in a city.
(2) the external material of the methane cabinet disclosed by the invention is a steel plate, so that the methane cabinet can effectively prevent external force damage, and is more resistant to wind load and snow load and safer than an outer film made of a double-film gas cabinet PVC material.
(3) The space between the outer tank and the inner membrane of the methane cabinet is natural normal pressure, the pressure of the inner membrane and the pressure of the outer membrane do not need to be controlled by devices such as a blower, an electric valve and the like, and the methane cabinet saves energy consumption and is simpler and more convenient to operate than a double-membrane gas cabinet;
(4) the connecting point of the methane cabinet disclosed by the invention is the sealing connection between the inner membrane and the seal head, the air inlet pipe, the air outlet pipe and the safe emptying pipe. The sealing connection of the double-membrane gas holder is realized by passing through the bottom membrane, the inner membrane and the outer membrane through bolts for fastening and sealing, the number of connection points is large, and the leakage probability is high.
(5) once the double-film gas holder has gas blowby between the inner film and the outer film or the inner film is broken, the double-film gas holder can only be completely disassembled and completely returned to the factory for maintenance. According to the methane cabinet disclosed by the invention, when the inner membrane leaks, the space between the outer tank and the inner membrane can be ventilated through the axial flow fan, when the methane concentration is reduced to be within a safe range, an overhaul worker can enter the inner part of the outer tank through the access door, and the online maintenance of the inner membrane of the methane is realized under the condition that the production is not influenced.
drawings
FIG. 1 is a schematic structural view of the present invention as a whole;
FIG. 2 is a schematic structural view of the top of the present invention;
FIG. 3 is a schematic view of the air inlet pipe, air outlet pipe and safety vent pipe of the present invention pre-embedded in a concrete foundation;
FIG. 4 is a schematic top view of the top of the present invention;
reference numerals: 1. outer jar, 2, inner membrance, 3, head, 4, top ring, 5, vent, 6, shutter, 7, fan, 8, access door, 9, intake pipe, 10, outlet duct, 11, safe evacuation pipe, 12, steel cat ladder, 13, gas alarm, 14, level meter, 15, concrete foundation, 16, rag bolt.
Detailed Description
With reference to fig. 1, a first embodiment of the present invention will be described in detail, but the present invention is not limited to the claims.
as shown in figure 1, the outer steel inner membrane biogas tank is characterized in that: comprises an outer tank (1), an inner membrane (2), a seal head (3), a top ring (4), a vent (5), an air inlet pipe (9), an air outlet pipe (10), a safe emptying pipe (11), a material level meter (14) and foundation bolts (16);
The outer tank (1) is fixed through foundation bolts (16) pre-buried on a concrete foundation, and a ventilation opening (5) is formed in the top of the outer tank (1);
the top of the inner membrane (2) is fixedly sealed on the seal head (3), and the seal head (3) is fixed on a top ring (4) at the top of the outer tank (1);
The air inlet pipe (9), the air outlet pipe (10) and the safe emptying pipe (11) are pre-buried in the concrete foundation;
The bottom of the inner membrane (2) is provided with three holes which are respectively connected with an air inlet pipe (9), an air outlet pipe (10) and a safe emptying pipe (11) which are pre-embedded in a concrete foundation in a sealing way;
The level meter (14) is arranged on the wall of the outer tank (1), and the storage volume of the methane tank is detected through the level meter (14).
more specifically, a gas alarm (13) is arranged between the outer tank (1) and the inner membrane (2) of the methane cabinet and used for giving an alarm when methane in the inner membrane (2) leaks.
More specifically, the device also comprises three louvers (6), wherein the louvers (6) are arranged on the outer tank (1), and the three louvers (6) are respectively positioned at the upper part, the middle part and the lower part of the outer tank (1). When the inner membrane is damaged and leaks, the louver can play a role in ventilation, and people can conveniently check the positions.
more specifically, fans (7) are arranged around the bottom of the outer tank (1) of the methane cabinet and used for ventilating the interior of the outer tank of the methane in an emergency state;
When the inner membrane (2) of the methane tank is damaged and leaks, the fans (7) on the periphery of the wall of the outer tank (1) can be opened, fresh air outside the outer tank (1) is sent into the outer tank (1) and exhausted through the vent (5) on the top, the shutter (6) on the wall of the outer tank and the top ring (4),
more specifically, the biogas tank further comprises an access door (8), and the biogas concentration in the outer tank (1) is diluted by starting a fan (7) to ventilate under the condition that the inner membrane (2) of the biogas tank leaks.
when the concentration of the methane is reduced to the safe concentration range, the maintainers enter the outer tank (1) through the access door (8) to carry out online maintenance on the inner methane membrane (2) without completely disassembling and completely returning to the factory for maintenance,
More specifically, the fan (7) is a glass fiber reinforced plastic axial flow fan.
More specifically, the steel ladder (12) is further included, and the steel ladder (12) is arranged on the wall of the outer tank (1).
in summary, the invention has the following advantages:
(1) The same floor space (taking the diameter of 15m as an example), the height of the double-membrane gas holder is 3/4 balls, and the biogas storage volume is only 1500m 3; the outer steel inner membrane biogas cabinet is cylindrical in shape, the height of the outer steel inner membrane biogas cabinet can reach 16m, and the biogas storage volume of the outer steel inner membrane biogas cabinet can reach 2500m 3. The occupied area is small, the storage capacity is large, and the biogas storage device is more suitable for use in a biogas storage project in a city.
(2) The external material of the methane cabinet disclosed by the invention is a steel plate, so that the methane cabinet can effectively prevent external force damage, and is more resistant to wind load and snow load and safer than an outer film made of a double-film gas cabinet PVC material.
(3) The space between the outer tank and the inner membrane of the methane cabinet is natural normal pressure, the pressure of the inner membrane and the pressure of the outer membrane do not need to be controlled by devices such as a blower, an electric valve and the like, and the methane cabinet saves energy consumption and is simpler and more convenient to operate than a double-membrane gas cabinet;
(4) The connecting point of the methane cabinet disclosed by the invention is the sealing connection between the inner membrane and the seal head, the air inlet pipe, the air outlet pipe and the safe emptying pipe. The sealing connection of the double-membrane gas holder is realized by passing through the bottom membrane, the inner membrane and the outer membrane through bolts for fastening and sealing, the number of connection points is large, and the leakage probability is high.
(5) once the double-film gas holder has gas blowby between the inner film and the outer film or the inner film is broken, the double-film gas holder can only be completely disassembled and completely returned to the factory for maintenance. According to the methane cabinet disclosed by the invention, when the inner membrane leaks, the space between the outer tank and the inner membrane can be ventilated through the axial flow fan, when the methane concentration is reduced to be within a safe range, an overhaul worker can enter the inner part of the outer tank through the access door, and the online maintenance of the inner membrane of the methane is realized under the condition that the production is not influenced.
it should be understood that the detailed description and specific examples, while indicating the embodiments of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Claims (5)
1. an outer steel inner membrane methane tank is characterized in that: comprises an outer tank (1), an inner membrane (2), a seal head (3), a top ring (4), a vent (5), an air inlet pipe (9), an air outlet pipe (10), a safe emptying pipe (11), a material level meter (14) and foundation bolts (16);
The outer tank (1) is fixed through foundation bolts (16) pre-buried on a concrete foundation, and a ventilation opening (5) is formed in the top of the outer tank (1);
The top of the inner membrane (2) is fixedly sealed on the seal head (3), and the seal head (3) is fixed on a top ring (4) at the top of the outer tank (1);
The air inlet pipe (9), the air outlet pipe (10) and the safe emptying pipe (11) are pre-buried in the concrete foundation;
The bottom of the inner membrane (2) is provided with three holes which are respectively connected with an air inlet pipe (9), an air outlet pipe (10) and a safe emptying pipe (11) which are pre-embedded in a concrete foundation in a sealing way;
the level meter (14) is arranged on the wall of the outer tank (1), and the storage volume of the methane tank is detected by the level meter (14);
The device is characterized by further comprising three shutters (6), wherein the shutters (6) are arranged on the outer tank (1), and the three shutters (6) are respectively positioned at the upper part, the middle part and the lower part of the outer tank (1);
the periphery of the bottom of the outer tank (1) of the methane cabinet is also provided with a fan (7) for ventilating the inside of the outer tank of the methane in an emergency state;
when the inner membrane (2) of the methane tank is damaged and leaks, the fans (7) on the periphery of the wall of the outer tank (1) can be opened, fresh air outside the outer tank (1) is sent into the outer tank (1), and exhaust is carried out through the vent (5) on the top, the shutter (6) on the wall of the outer tank and the top ring (4).
2. the outer steel inner membrane biogas digester cabinet according to claim 1, characterized in that: and a gas alarm (13) is also arranged between the outer tank (1) and the inner membrane (2) of the methane cabinet and is used for alarming when methane in the inner membrane (2) leaks.
3. The outer steel inner membrane biogas digester cabinet according to claim 2, characterized in that: still include access door (8), take place to reveal under the circumstances at marsh gas cabinet inner membrance (2), take a breath through opening fan (7), dilute the inside marsh gas concentration of outer jar (1), fall to safe concentration within range when marsh gas concentration, in maintainer gets into outer jar (1) through access door (8), implement online maintenance to marsh gas inner membrance (2).
4. the outer steel inner membrane biogas digester cabinet according to claim 3, characterized in that: the fan (7) is a glass fiber reinforced plastic axial flow fan.
5. The outer steel inner membrane biogas digester cabinet according to claim 4, characterized in that: the steel ladder stand is characterized by further comprising a steel ladder stand (12), wherein the steel ladder stand (12) is arranged on the wall of the outer tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196549.8A CN106764392B (en) | 2016-12-22 | 2016-12-22 | Outer steel inner membrance marsh gas cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196549.8A CN106764392B (en) | 2016-12-22 | 2016-12-22 | Outer steel inner membrance marsh gas cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN106764392A CN106764392A (en) | 2017-05-31 |
| CN106764392B true CN106764392B (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611196549.8A Active CN106764392B (en) | 2016-12-22 | 2016-12-22 | Outer steel inner membrance marsh gas cabinet |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111076080A (en) * | 2019-12-18 | 2020-04-28 | 上海林海生态技术股份有限公司 | Gas storage cabinet safety control system |
| CN113339690A (en) * | 2021-07-06 | 2021-09-03 | 石家庄市沼阳沼气设备有限责任公司 | Gas storage cabinet device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB735768A (en) * | 1952-11-15 | 1955-08-31 | Power Gas Ltd | Improvements in or relating to gas-storage containers |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2679472Y (en) * | 2004-03-04 | 2005-02-16 | 李伟 | Gas storage tank sealed by glass fiber reinforced plastic and rubber membrane |
| CN201875426U (en) * | 2010-10-29 | 2011-06-22 | 北京安泽世通生态环境科技有限公司 | Constant-pressure telescopic flexible gas holder |
| CN202144940U (en) * | 2011-07-23 | 2012-02-15 | 王庆卫 | Gasholder with internal sac in housing thereof |
| CN104913183B (en) * | 2015-06-29 | 2017-03-08 | 大连欧科膜技术工程有限公司 | Gasbag-type gas holder |
| CN105546324A (en) * | 2015-12-16 | 2016-05-04 | 中冶南方工程技术有限公司 | High-pressure double-film gas storage tank |
-
2016
- 2016-12-22 CN CN201611196549.8A patent/CN106764392B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB735768A (en) * | 1952-11-15 | 1955-08-31 | Power Gas Ltd | Improvements in or relating to gas-storage containers |
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| CN106764392A (en) | 2017-05-31 |
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Address after: 7th Floor, Building 3, No. 2018, Lihu Avenue, Wuxi City, Jiangsu Province, 214122 Patentee after: Jiangsu Masheng Biotechnology Co.,Ltd. Address before: 214071 Wuxi Masheng Environmental Energy Technology Co.,Ltd., Building 7, No. 2020 Lihu Avenue, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI MASUN ENVIRONMENTAL ENERGY TECHNOLOGY CO.,LTD. |
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