CN110773082B - Pressure vessel with overpressure protection - Google Patents

Pressure vessel with overpressure protection Download PDF

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Publication number
CN110773082B
CN110773082B CN201911082207.7A CN201911082207A CN110773082B CN 110773082 B CN110773082 B CN 110773082B CN 201911082207 A CN201911082207 A CN 201911082207A CN 110773082 B CN110773082 B CN 110773082B
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China
Prior art keywords
pressure
sealing
vessel
container
overflow pipe
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Active
Application number
CN201911082207.7A
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Chinese (zh)
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CN110773082A (en
Inventor
崔卫东
杨志刚
赵晶
徐鑫
李俊江
王家帮
刘浩燃
肖腾
王岳峰
王超鹏
张伟涛
冯精良
王仲强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei Runfeng Cryogenic Equipment Co ltd
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Hebei Runfeng Cryogenic Equipment Co ltd
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Priority to CN201911082207.7A priority Critical patent/CN110773082B/en
Publication of CN110773082A publication Critical patent/CN110773082A/en
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Publication of CN110773082B publication Critical patent/CN110773082B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/04Pressure vessels, e.g. autoclaves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/002Component parts of these vessels not mentioned in B01J3/004, B01J3/006, B01J3/02 - B01J3/08; Measures taken in conjunction with the process to be carried out, e.g. safety measures

Abstract

The invention relates to the technical field of pressure vessel equipment, and particularly discloses a pressure vessel with overpressure protection, wherein when the pressure in the pressure vessel is greater than a set working pressure value, a pressure relief valve can perform pressure relief control on the pressure in a vessel body, so that the pressure in the pressure vessel is effectively ensured to be within a control range, and when emergencies and other conditions occur, namely when the pressure in the pressure vessel is greater than a safe pressure value, an upper sealing cover can be separated from the vessel body, so that the pressure vessel is protected conveniently; meanwhile, when the upper sealing cover is separated from the container body, the overflowing fluid medium in the pressure container can flow into the inner cavity of the protective cylinder through the overflow pipe; prevent chemical substances and the like in the container from causing harm to the outside, and protect the environment and personal safety.

Description

Pressure vessel with overpressure protection
Technical Field
The invention relates to the technical field of container body equipment, in particular to a pressure container with overpressure protection.
Background
At present, in pharmaceutical, chemical and other industries, it is generally necessary to process materials by using a container body, and since the container body needs to operate at high temperature and high pressure, the safety of the container body is one of the most important objectives. In order to prevent the danger of overpressure and the damage of the container caused by overpressure, it is generally necessary to provide a relief valve or the like. However, in the pharmaceutical chemical industry, because the problem such as the reaction of material, only rely on the relief valve to carry out pressure control and protection, be difficult to reach effective protection, for example because the reaction of chemical substance, instantaneous high pressure often appears in the container body, if operating personnel can not be accurate to the internal material volume of container and under the condition of not knowing the material nature when carrying out the experiment, very easy emergence accident. Such emergency relief valves are often dangerous because they are not in time to relieve pressure, and may damage the container body if they are light, or cause personal accidents if they are heavy. Accordingly, there is a need for a reliable design of the overpressure protection capability of the container body to provide protection against overpressure protection.
Disclosure of Invention
The object of the present invention is to provide a pressure vessel with overpressure protection, which solves the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a pressure vessel with overpressure protection comprises a vessel body, an upper sealing cover and a base, wherein the base is arranged at the bottom of the vessel body, and the upper sealing cover is arranged at the upper end of the vessel body in a sealing manner;
the bottom of the upper sealing cover is provided with a sealing column clamping mechanism which can be in sealing fit with the hole cavity at the top of the container body;
the top of the center of the upper sealing cover is also provided with a pressure pipeline, and the pressure pipeline is provided with a pressure relief valve;
when the pressure in the container body is greater than a set working pressure value, the pressure relief valve can realize pressure relief control on the pressure in the container body;
when the pressure in the container body is greater than the safety pressure value, the upper sealing cover and the container body can be separated so as to protect the container body; and when the upper sealing cover is separated from the container body, the overflowing fluid medium in the container body can flow into the inner cavity of the protection cylinder through the overflow pipe.
Preferably, the overflow pipe is provided with a one-way valve, the protection cylinder is connected with a suction head, and before the container body starts to work, the suction head can perform suction treatment on the inner cavity of the protection cylinder, so that the pressure of the inner cavity of the protection cylinder is smaller than the external atmospheric pressure.
Preferably, the number of the overflow pipes is multiple, and the number of the sealing and column clamping mechanisms is multiple, wherein the sealing and column clamping mechanisms correspond to the overflow pipes one by one.
Further, as preferred, sealed card post mechanism includes sealed post, upper seal cover, lower seal cover, wherein, the fixed sealed post that is provided with a plurality of downwardly extending in bottom of last sealed lid, the lower part of the vestibule that supplies the overflow pipe to stretch into at the vessel body top is provided with the sealed slot of intercommunication with it, be provided with in the sealed slot lower seal cover, sealed post can stretch into downwards in the lower seal cover, just the tip of overflow pipe can by sealed post seals to lean on, it is located to cover on the upper seal cover still all around the sealed post be equipped with the upper seal cover, the lower extreme of upper seal cover can support and lean on the overflow pipe, works as when the sealed lid of upper seal is established on the vessel body, the overflow pipe with carry out sealed the setting that separates by sealed post between the vessel body.
Further, as preferred, the inside of vessel is provided with the inner bag, the outside of vessel still overlaps and is equipped with amortization and heat preservation lag, the right side intercommunication of pressure pipeline has pressure branch pipe, and is provided with the solenoid valve on pressure branch pipe, last pressure sensor and the relief valve of being provided with of pressure pipeline.
Further, preferably, the electromagnetic pressure relief valve is communicated with the pressure branch pipeline, the safety valve is communicated with the pressure pipeline, and the safety valve is positioned above the pressure sensor.
Further, as preferred, the inner container is movably sleeved inside the container body, and a heat insulation layer is arranged between the container body and the inner container.
Further, as preferred, the bottom of going up sealed lid has set gradually first seal groove and second seal groove from outside to inside, all be provided with rubber seal in first seal groove and the second seal groove, the container body activity cup joints in first seal groove, the inner bag activity cup joints in the second seal groove.
Further, as preferred, be provided with the shock attenuation seat directly over the base, and be connected in the bottom of vessel directly over the shock attenuation seat fixed connection, be connected through many support frames between base and the shock attenuation seat.
Further, as a preferred option, the inner side of the container body is located at the upper side of the inner side of the hole cavity of the overflow pipe, and a limiting diversion curved seat is further arranged on the inner side of the container body and can enable the overflowing fluid medium to flow to the overflow pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. when the pressure in the container body is greater than the set working pressure value, the pressure relief valve can perform pressure relief control on the pressure in the container body, so that the pressure in the container body is effectively ensured to be within a control range, and when emergencies and other conditions occur, namely when the pressure in the container body is greater than a safe pressure value, the upper sealing cover and the container body can be separated, so that the container body is protected conveniently; meanwhile, when the upper sealing cover is separated from the container body, the overflowing fluid medium in the container body can flow into the inner cavity of the protective cylinder through the overflow pipe; chemical substances and the like in the container are prevented from harming the outside, so that the environment and the personal safety are protected;
2. before the container body starts to work, the suction head can perform suction treatment on the inner cavity of the protection cylinder so as to enable the pressure of the inner cavity of the protection cylinder to be smaller than the external atmospheric pressure, so that the pressure in the protection cylinder is small, the overflow medium can be rapidly sucked when sudden overflow occurs, and the danger of flowing out of the container is prevented;
3. according to the invention, the pressure branch pipeline is arranged on the pressure pipeline, and the electromagnetic valve is arranged on the pressure branch pipeline, so that when the safety valve fails, the electromagnetic valve can perform auxiliary pressure reduction and exhaust, the danger of expansion explosion or damage of the container body is avoided, and the container body has a good overpressure protection effect.
Drawings
FIG. 1 is a schematic diagram of an appearance of a pressure vessel with overpressure protection;
FIG. 2 is a schematic view of the cross-sectional structure A-A in FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is an enlarged view of a portion C of fig. 2.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, a pressure vessel with overpressure protection includes a vessel body 1, an upper sealing cover 6 and a base 3, wherein the base 3 is disposed at the bottom of the vessel body 1, and the upper sealing cover 6 is disposed at the upper end of the vessel body 1 in a sealing manner, and is characterized in that an annular hollow protection cylinder 4 is further sleeved at the lower portion of the vessel body 1, and the upper end of an overflow pipe 401 extends into a hole cavity at the top of the vessel body 1, so that an inner cavity of the protection cylinder 4 is communicated with an inner cavity of the vessel body 1 through the overflow pipe 401;
the bottom of the upper sealing cover 6 is provided with a sealing clamping column mechanism which can be in sealing fit with the hole cavity at the top of the container body 1;
the top of the center of the upper sealing cover 6 is also provided with a pressure pipeline 2, and the pressure pipeline 2 is provided with a pressure relief valve 7;
when the pressure in the container body 1 is greater than a set working pressure value, the pressure relief valve 7 can realize pressure relief control on the pressure in the container body 1;
when the pressure in the container body 1 is greater than the safety pressure value, the upper sealing cover 6 can be separated from the container body 1 so as to protect the container body 1; when the upper sealing cover 6 is separated from the vessel body 1, the fluid medium overflowing from the vessel body 1 can flow into the inner cavity of the protective cylinder 4 through the overflow pipe 401.
In this embodiment, the overflow pipe 401 is provided with a one-way valve 402, and the protective cylinder 4 is connected with a suction head, before the container body 1 starts to work, the suction head can perform suction treatment on the inner cavity of the protective cylinder 4, so that the pressure of the inner cavity of the protective cylinder 4 is smaller than the external atmospheric pressure.
The number of the overflow pipes 401 is plural, and the number of the sealing and column-clamping mechanisms is plural and corresponds to the number of the overflow pipes 401 one to one.
In a preferred embodiment, the sealing and clamping mechanism comprises a sealing column 12, an upper sealing sleeve 11 and a lower sealing sleeve 10, wherein, the bottom of the upper sealing cover 6 is fixedly provided with a plurality of sealing columns 12 extending downwards, the lower part of the hole cavity for the overflow pipe 401 to extend into is provided with a sealing slot communicated with the hole cavity, the lower sealing sleeve 10 is arranged in the sealing slot, the sealing column 12 can extend downwards into the lower sealing sleeve 10, the end part of the overflow pipe 401 can be sealed and abutted by the sealing column 12, the upper sealing sleeve 11 is sleeved on the upper sealing cover 6 at the periphery of the sealing column 12, the lower end of the upper sealing sleeve 11 can abut on the overflow pipe 401, when the upper sealing cover 6 is sealed and arranged on the container body 1, the overflow pipe 401 and the container body 1 are sealed and arranged in a separated way by the sealing column 12.
In the invention, the inner container 101 is arranged inside the container body 1, the silencing and heat-insulating protective sleeve 5 is further sleeved outside the container body 1, the right side of the pressure pipeline 2 is communicated with a pressure branch pipeline 201, the pressure branch pipeline 201 is provided with an electromagnetic valve 202, and the pressure pipeline 2 is provided with a pressure sensor 203 and a safety valve 204.
The electromagnetic pressure relief valve 7202 communicates with the pressure branch pipe 201, the safety valve 204 communicates with the pressure pipe 2, and the safety valve 204 is located above the pressure sensor 203. The inner container 101 is movably sleeved inside the container body 1, and a heat insulation layer 102 is arranged between the container body 1 and the inner container 101.
The bottom of the upper sealing cover 6 is sequentially provided with a first sealing groove 601 and a second sealing groove 602 from outside to inside, rubber sealing rings 603 are arranged in the first sealing groove 601 and the second sealing groove 602, the container body 1 is movably sleeved in the first sealing groove 601, and the liner 101 is movably sleeved in the second sealing groove 602. Be provided with cushion socket 8 directly over base 3, and be fixed connection in the bottom of vessel body 1 directly over cushion socket 8, be connected through many support frames 9 between base 3 and the cushion socket 8. The inner side of the container body 1 is positioned on the upper side of the pore cavity of the inner side of the overflow pipe 401, and the limiting diversion curved seat 13 is also arranged on the upper side of the pore cavity, and the limiting diversion curved seat 13 can enable the overflowing fluid medium to flow to the overflow pipe 401.
When the pressure in the container body 1 is greater than the set working pressure value, the pressure relief valve 7 can perform pressure relief control on the pressure in the container body 1, so that the pressure in the container body 1 is effectively ensured to be within a control range, and when the pressure in the container body 1 is greater than a safe pressure value, the upper sealing cover 6 can be separated from the container body 1, so that the container body 1 is protected conveniently; meanwhile, when the upper sealing cover 6 is separated from the container body 1, the fluid medium overflowing from the container body 1 can flow into the inner cavity of the protection cylinder 4 through the overflow pipe 401; chemical substances and the like in the container are prevented from harming the outside, so that the environment and the personal safety are protected; before the container body 1 starts to work, the suction head can suck the inner cavity of the protection cylinder 4 so as to ensure that the pressure of the inner cavity of the protection cylinder 4 is smaller than the external atmospheric pressure, so that the pressure in the protection cylinder 4 is small, the overflow medium can be quickly sucked when sudden overflow occurs, and the danger of flowing out of the container is prevented; according to the invention, the pressure branch pipeline is arranged on the pressure pipeline, and the electromagnetic valve is arranged on the pressure branch pipeline, so that when the safety valve fails, the electromagnetic valve can perform auxiliary pressure reduction and exhaust, the risk of expansion explosion or damage of the container body 1 is avoided, and the container body 1 has a good overpressure protection effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.

Claims (6)

1. A pressure vessel with overpressure protection comprises a vessel body (1), an upper sealing cover (6) and a base (3), wherein the base (3) is arranged at the bottom of the vessel body (1), the upper sealing cover (6) is arranged at the upper end of the vessel body (1) in a sealing manner, and the pressure vessel is characterized in that a hollow protection barrel (4) with an annular structure is further sleeved at the lower part of the vessel body (1), an inner cavity of the protection barrel (4) is communicated with an inner cavity of the vessel body (1) through an overflow pipe (401), and the upper end of the overflow pipe (401) extends into a hole cavity at the top of the vessel body (1);
the bottom of the upper sealing cover (6) is provided with a sealing clamping column mechanism which can be in sealing fit with the hole cavity at the top of the container body (1);
the top of the center of the upper sealing cover (6) is also provided with a pressure pipeline (2), and the pressure pipeline (2) is provided with a pressure relief valve (7);
when the pressure in the pressure container is larger than a set working pressure value, the pressure relief valve (7) can realize pressure relief control on the pressure in the container body (1);
when the pressure in the pressure container is greater than a safety pressure value, the upper sealing cover (6) and the container body (1) can be separated so as to protect the pressure container; when the upper sealing cover (6) is separated from the container body (1), the overflowing fluid medium in the pressure container can flow into the inner cavity of the protective cylinder (4) through an overflow pipe (401);
a one-way valve (402) is arranged on the overflow pipe (401), a suction head is connected to the protective cylinder (4), and before the pressure container starts to work, the suction head can perform suction treatment on the inner cavity of the protective cylinder (4) so as to enable the pressure of the inner cavity of the protective cylinder (4) to be smaller than the external atmospheric pressure;
the number of the overflow pipes (401) is multiple, and the number of the sealing column clamping mechanisms is multiple, wherein the sealing column clamping mechanisms correspond to the number of the overflow pipes (401) one by one;
the sealing column clamping mechanism comprises a sealing column (12), an upper sealing sleeve (11) and a lower sealing sleeve (10), wherein the bottom of the upper sealing cover (6) is fixedly provided with a plurality of sealing columns (12) extending downwards, the lower part of a hole cavity, into which an overflow pipe (401) extends, in the top of the container body (1) is provided with a sealing slot communicated with the hole cavity, the lower sealing sleeve (10) is arranged in the sealing slot, the sealing columns (12) can extend downwards into the lower sealing sleeve (10), the end part of the overflow pipe (401) can be sealed and abutted by the sealing columns (12), the upper sealing cover (6) is further sleeved with the upper sealing sleeve (11) on the periphery of the sealing columns (12), the lower end of the upper sealing sleeve (11) can abut against the overflow pipe (401), and when the upper sealing cover (6) is arranged on the container body (1), the overflow pipe (401) and the container body (1) are arranged in a separated way in a sealing way through the sealing column (12);
the inner side of the container body (1) is positioned on the upper side of the pore cavity of the inner side of the overflow pipe (401), and a limiting diversion curved seat (13) is further arranged on the upper side of the pore cavity of the inner side of the overflow pipe (401), and the limiting diversion curved seat (13) can enable an overflowing fluid medium to flow to the overflow pipe (401).
2. The pressure vessel with overpressure protection as claimed in claim 1, wherein the inside of the vessel body (1) is provided with an inner container (101), the outside of the vessel body (1) is further sleeved with a sound attenuation and heat preservation protection cover (5), the right side of the pressure pipe (2) is communicated with a pressure branch pipe (201), the pressure branch pipe (201) is provided with an electromagnetic valve (202), and the pressure pipe (2) is provided with a pressure sensor (203) and a safety valve (204).
3. Pressure vessel with overpressure protection according to claim 2, characterized in that the solenoid valve (202) communicates with a pressure branch conduit (201), the safety valve (204) communicates with the pressure conduit (2), the safety valve (204) is located above the pressure sensor (203).
4. The pressure vessel with overpressure protection as claimed in claim 2, wherein the inner container (101) is movably sleeved inside the vessel body (1), and a heat insulation layer (102) is arranged between the vessel body (1) and the inner container (101).
5. The pressure vessel with overpressure protection as claimed in claim 4, wherein the bottom of the upper sealing cover (6) is provided with a first sealing groove (601) and a second sealing groove (602) in sequence from outside to inside, rubber sealing rings (603) are respectively arranged in the first sealing groove (601) and the second sealing groove (602), the vessel body (1) is movably sleeved in the first sealing groove (601), and the inner container (101) is movably sleeved in the second sealing groove (602).
6. Pressure vessel with overpressure protection according to claim 1, characterized in that a shock mount (8) is arranged directly above the base (3), and is fixedly connected to the bottom of the vessel body (1) directly above the shock mount (8), and the base (3) and the shock mount (8) are connected by a plurality of support frames (9).
CN201911082207.7A 2019-11-07 2019-11-07 Pressure vessel with overpressure protection Active CN110773082B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911082207.7A CN110773082B (en) 2019-11-07 2019-11-07 Pressure vessel with overpressure protection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911082207.7A CN110773082B (en) 2019-11-07 2019-11-07 Pressure vessel with overpressure protection

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CN110773082A CN110773082A (en) 2020-02-11
CN110773082B true CN110773082B (en) 2022-06-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1730991A (en) * 2005-08-02 2006-02-08 中国海洋大学 High-pressure container
CN105251416A (en) * 2015-11-04 2016-01-20 成都鲁晨新材料科技有限公司 Explosion-proof high-pressure kettle
CN207108779U (en) * 2017-08-17 2018-03-16 蓝德环保科技集团股份有限公司 Excess sludge pre-processes heater
CN208032518U (en) * 2018-02-02 2018-11-02 曹俊丽 Explosion-proof splashproof reclaiming type reaction kettle
CN208049020U (en) * 2017-12-05 2018-11-06 商丘天龙药业有限公司 A kind of high temperature forges medicine machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09301417A (en) * 1996-05-09 1997-11-25 Hirohisa Nagashima Container for paint, etc

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1730991A (en) * 2005-08-02 2006-02-08 中国海洋大学 High-pressure container
CN105251416A (en) * 2015-11-04 2016-01-20 成都鲁晨新材料科技有限公司 Explosion-proof high-pressure kettle
CN207108779U (en) * 2017-08-17 2018-03-16 蓝德环保科技集团股份有限公司 Excess sludge pre-processes heater
CN208049020U (en) * 2017-12-05 2018-11-06 商丘天龙药业有限公司 A kind of high temperature forges medicine machine
CN208032518U (en) * 2018-02-02 2018-11-02 曹俊丽 Explosion-proof splashproof reclaiming type reaction kettle

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Effective date of registration: 20220602

Address after: 053699 Building 1, No. 49, West Road, Anping County, Hengshui City, Hebei Province, north of Zhenggang road at the boundary of Anping County (in the improved variety breeding yard)

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