CN109630678A - A kind of high temperature dynamic sealing device for flammable explosion hazard gases - Google Patents
A kind of high temperature dynamic sealing device for flammable explosion hazard gases Download PDFInfo
- Publication number
- CN109630678A CN109630678A CN201811636337.6A CN201811636337A CN109630678A CN 109630678 A CN109630678 A CN 109630678A CN 201811636337 A CN201811636337 A CN 201811636337A CN 109630678 A CN109630678 A CN 109630678A
- Authority
- CN
- China
- Prior art keywords
- high temperature
- explosion hazard
- connector
- hazard gases
- dynamic sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
- F16J3/047—Metallic bellows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
- F16J15/0806—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing characterised by material or surface treatment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J3/00—Diaphragms; Bellows; Bellows pistons
- F16J3/04—Bellows
- F16J3/048—Bellows with guiding or supporting means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Sealing (AREA)
Abstract
A kind of high temperature dynamic sealing device for flammable explosion hazard gases, belongs to technical field of mechanical.The present invention includes forward flange, welding bellows, graphite bearing, ring, guide rod and rear flange.The sealing of forward flange copper packing is set for connecting the elevated-temperature seal for being connected with flammable explosion hazard gases equipment, it is ensured that flammable explosion hazard gases is not revealed；By realizing high temperature dynamic sealing function the features such as the compressible elongation of welding bellows, high temperature resistant.High temperature dynamic sealing device disclosed by the invention has simple and reasonable, and leak rate is low, high temperature resistant, and pressure resistance, anticorrosive, mechanical performance is strong, service life long feature.
Description
Technical field
The present invention relates to a kind of high temperature dynamic sealing devices for flammable explosion hazard gases, belong to technical field of mechanical.
Background technique
Flammable explosion hazard gases static seal is easy in actual industrial production operation, for moveable flammable explosion hazard gases
Sealing device, need to prevent gas from leaking under the premise of movement, will between each component of device once structure has activity
Gap is generated, and then the leakproofness that will cause device is larger, the present apparatus guarantees device mobility from this angle, full
Sufficient business demand, while guaranteeing that gas does not leak, and high temperature can be carried.
Existing movable sealing structure, such as piston sealing structure, the pressure for usually sealing liquid are no more than 30MPa, and temperature is not
More than 80 DEG C, therefore, ring structure generally uses molded sealing ring, ties in cold isostatic press with the sealing of booster plunger is applied
In structure, sealed pressure can reach 200MPa, but sealing medium temperature is no more than 80 DEG C.Meanwhile sealing structure is complex, dimension
Shield property is poor, and manufacturing cost is high.
Summary of the invention
Technical problem solved by the present invention is having overcome the deficiencies of the prior art and provide a kind of for flammable explosion hazard gases
High temperature dynamic sealing device, dynamic sealing can be realized along sliding connector constriction device free to slide of leading by setting, solving can
Fire sealing problem of the explosion hazard gases under moving condition, hot environment.
The technical solution of the invention is as follows: a kind of high temperature dynamic sealing device for flammable explosion hazard gases, including equipment
Connector, constriction device, cunning lead connector and Caudal connectors；The both ends of the constriction device are respectively fixedly connected with equipment connection
Part and Caudal connectors, the equipment connector are fixedly connected on the gas vent of flammable explosion hazard gases equipment, the tail portion
Connector and constriction device are tightly connected；The cunning is led connector one end and is fixedly connected on equipment connector, and the other end is pierced by tail
The through-hole being arranged on portion's connector enables Caudal connectors to slide on connector in sliding lead, drives the constriction device reciprocal
Movement.
Further, the cunning leads the guide rod that connector is rod-like structure.
Further, the guide rod is vertical with the installation direction of equipment connector or at certain acute angle.
Further, the acute angle is 30 °~60 °.
Further, further include between being fixedly mounted on sliding lead on connector ring and be fixedly mounted on it is described between axis on ring
It holds, the cunning leads connector across bearing, leads connector to cunning by bearing and is fixed.
Further, the bearing is graphite bearing.
Further, the quantity of the guide rod is not less than 2, is equidistantly fixedly mounted on equipment connector and connects with tail portion
On part.
Further, the constriction device is bellows, material Inconel625.
Further, the equipment connector and flammable explosion hazard gases equipment are tightly connected by copper packing.
Further, the cunning leads connector and is threadedly coupled or welds with equipment connector.
The advantages of the present invention over the prior art are that:
The present invention solves elevated-temperature seal characteristic of the flammable explosion hazard gases under moving condition, by flange, guide rod and
Bellows structure can carry out compression elongation so that device can be moved as needed, and be able to bear nearly 800 ° of High Temperature Gas
Body, high intensity and 1,000,000 times or more tired service life.The configuration of the present invention is simple, mechanical performance is strong, and the service life is long.
Detailed description of the invention
Fig. 1 is sealing device structure composition schematic diagram of the present invention.
Specific embodiment
A kind of high temperature dynamic sealing device for flammable explosion hazard gases, as shown in Figure 1.
Structure of the invention composition is as follows: including forward flange 1, graphite bearing 2, bellows 3, ring 4, guide rod 5 and rear flange
6；
5 both ends of guide rod are connected with forward flange 10, rear flange 6 respectively, connect wherein being threadably secured with forward flange 1,
Rear end passes through the through-hole connection on rear flange 6；
3 both ends of bellows are fixedly connected with forward flange 1, rear flange 6 respectively, can be made on guide rod 5 with rear flange 6 axial
Reciprocating action；
Between graphite bearing 2 is fixed on ring 4, guide rod passes through graphite bearing 2；
Forward flange 1 is connected with flammable explosion hazard gases equipment.
Graphite rod will be housed inside high-temperature sealing device of the present invention and be fixed on rear flange 6, it is close by 1 copper packing of forward flange
Envelope is attached to the flammable explosion hazard gases equipment of high temperature, and bellows 3 drives graphite rod in the flammable explosion hazard gases of high temperature with rear flange 6
Make axial reciprocating movement along guide rod 5 in cavity, flammable explosion hazard gases is not revealed under moving condition, hot environment.
As alternative embodiment of the present invention, the guide rod is vertical with the installation direction of equipment connector 1 or at 45 degree of angles.
As alternative embodiment of the present invention, forward flange 1 is sealed by copper packing to be connected with flammable explosion hazard gases equipment.
As alternative embodiment of the present invention, bearing uses graphite bearing 2, high temperature resistant.
As alternative embodiment of the present invention, Inconel625 high temperature resistant is selected in 3 material selection combination actual demand of bellows
Material is resistant to nearly 800 degrees Celsius, avoids surplus is excessive from resulting in waste of resources, and tired service life 1,000,000 times or more.
As alternative embodiment of the present invention, according to live actual demand, for the rigidity and with one heart for guaranteeing every section of bellows 3
Degree, avoids directly contacting graphite rod inside bellows 3, the length of every section of bellows is 1.5~2 times of 3 bore of bellows.
Ripple is obtained by 3 bore of design runlength and bellows of welding bellows 3 as alternative embodiment of the present invention
The number of segment of pipe 3；The total weight for using welding bellows 3 again, acts on guide rod, guarantees the premise of guide rod without flexing deformation,
Bellows 3 is avoided Caton occur in axial action, so that it is determined that the diameter of guide rod.
As alternative embodiment of the present invention, for the service life for guaranteeing bellows 3, in conjunction with its own design feature and material
The stretching of the characteristics of material, bellows 3 control in 20% elongation, and compression control is in 60% decrement.
As alternative embodiment of the present invention, under the premise of meeting requirement, guide rod quantity is set as 2, supports bellows
While, make that it is more stable when making axial reciprocating action, accuracy is higher.
As alternative embodiment of the present invention, high temperature dynamic sealing device disclosed by the invention is simple and reasonable, and leak rate is low, resistance to
High temperature, pressure resistance, anticorrosive, mechanical performance is strong, the advantageous effects of service life length.
Installation method and working principle of the invention are as follows:
After forward flange 1, bellows 3, ring 4 and rear flange 6 are welded to connect, it is packed into graphite bearing 2 on ring 4 and leads to
Circlip is crossed to fix；Guide rod 5 is each passed through rear flange 6, graphite bearing 2, is finally fixed on forward flange 1.
Graphite rod will be housed inside the high-temperature sealing device assembled and be fixed on rear flange 6,1 copper packing of forward flange is passed through
Sealingly connect to the flammable explosion hazard gases equipment of high temperature, rear flange 6, which is fixed on, can act mechanism end, control can actuating mechanism, after making
Flange 6 is acted in axial reciprocating, and bellows 3 drives graphite rod in the cavity of the flammable explosion hazard gases of high temperature also with rear flange 6
Make axial reciprocating movement along guide rod 5, flammable explosion hazard gases is not revealed under moving condition, hot environment, realize high temperature move it is close
Envelope.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (10)
1. a kind of high temperature dynamic sealing device for flammable explosion hazard gases, it is characterised in that: including equipment connector (1), shrink
Device (3), cunning lead connector (5) and Caudal connectors (6)；The both ends of the constriction device (3) are respectively fixedly connected with equipment company
Fitting (1) and Caudal connectors (6), the equipment connector (1) are fixedly connected on the gas vent of flammable explosion hazard gases equipment
On, the Caudal connectors (6) and constriction device (3) are tightly connected；The cunning leads connector (5) one end and is fixedly connected with equipment company
On fitting (1), the other end is pierced by the through-hole being arranged on Caudal connectors (6), makes Caudal connectors (6) that can lead connector in cunning
(5) it is slided on, drives the constriction device (3) reciprocating action.
2. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 1, it is characterised in that: described
It is sliding to lead the guide rod that connector (5) are rod-like structure.
3. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 2, it is characterised in that: described
Guide rod is vertical with the installation direction of equipment connector (1) or at certain acute angle.
4. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 3, it is characterised in that: described
Acute angle is 30 °~60 °.
5. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 2, it is characterised in that: also wrap
Include ring (4) between being fixedly mounted on sliding lead on connector (5) and be fixedly mounted on it is described between bearing (2) on ring (4), the cunning
Connector (5) are led across bearing (2), connector (5) is led to cunning by bearing (2) and is fixed.
6. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 5, it is characterised in that: described
Bearing (2) is graphite bearing.
7. a kind of high temperature dynamic sealing device for flammable explosion hazard gases according to claim 2, it is characterised in that: described
The quantity of guide rod is not less than 2, is equidistantly fixedly mounted on equipment connector (1) and Caudal connectors (6).
8. described in any item a kind of high temperature dynamic sealing devices for flammable explosion hazard gases according to claim 1~7, feature
Be: the constriction device (3) is bellows, material Inconel625.
9. described in any item a kind of high temperature dynamic sealing devices for flammable explosion hazard gases according to claim 1~7, feature
Be: the equipment connector (1) and flammable explosion hazard gases equipment are tightly connected by copper packing.
10. described in any item a kind of high temperature dynamic sealing devices for flammable explosion hazard gases according to claim 1~7, special
Sign is: the cunning leads connector (5) and is threadedly coupled or welds with equipment connector (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636337.6A CN109630678A (en) | 2018-12-29 | 2018-12-29 | A kind of high temperature dynamic sealing device for flammable explosion hazard gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811636337.6A CN109630678A (en) | 2018-12-29 | 2018-12-29 | A kind of high temperature dynamic sealing device for flammable explosion hazard gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630678A true CN109630678A (en) | 2019-04-16 |
Family
ID=66054583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811636337.6A Pending CN109630678A (en) | 2018-12-29 | 2018-12-29 | A kind of high temperature dynamic sealing device for flammable explosion hazard gases |
Country Status (1)
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|---|---|
| CN (1) | CN109630678A (en) |
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| US3192865A (en) * | 1963-09-10 | 1965-07-06 | Francis J Klempay | Hydraulically actuated pump |
| CN1056127A (en) * | 1990-04-27 | 1991-11-13 | 保罗·伍尔恩公司 | Be used for preheated air is sprayed into the device of shaft furnace |
| CN101184950A (en) * | 2005-05-27 | 2008-05-21 | 空中客车德国有限公司 | Articulate connection piece for tubes |
| CN101561070A (en) * | 2009-05-19 | 2009-10-21 | 秦皇岛开发区诺实管业有限公司 | Expansion ring sealed hot compensator |
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| CN201708463U (en) * | 2010-06-10 | 2011-01-12 | 河南平高东芝高压开关有限公司 | Pressure balanced expansion joint used for high-voltage switch device |
| CN201764190U (en) * | 2010-09-08 | 2011-03-16 | 攀钢集团冶金工程技术有限公司 | Waterproof and dustproof corrugated pipe compensator |
| CN201916641U (en) * | 2010-12-31 | 2011-08-03 | 攀钢集团冶金工程技术有限公司 | Split corrugated pipe compensator |
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| CN106931264A (en) * | 2017-04-26 | 2017-07-07 | 佛山市高明燃气有限公司 | Outer unidirectional adjustable and retractable bellows |
| CN207111217U (en) * | 2017-05-16 | 2018-03-16 | 无锡华利达新型材料有限公司 | A kind of automobile exhaust flexible pipe |
| CN108019582A (en) * | 2018-01-17 | 2018-05-11 | 江苏苏创管业科技有限公司 | High temperature resistant enhanced type non-metal expansion joint |
| CN109027399A (en) * | 2018-09-19 | 2018-12-18 | 北京航天动力研究所 | High pressure air governor gas valve open in usual |
| CN109838934A (en) * | 2017-09-10 | 2019-06-04 | 甘肃光热发电有限公司 | Explosion-proof stable type high-temperature molten salt heat collecting field and note salt method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US862867A (en) * | 1906-03-28 | 1907-08-06 | Lewis Watson Eggleston | Pneumatic pumping apparatus. |
| US3192865A (en) * | 1963-09-10 | 1965-07-06 | Francis J Klempay | Hydraulically actuated pump |
| CN1056127A (en) * | 1990-04-27 | 1991-11-13 | 保罗·伍尔恩公司 | Be used for preheated air is sprayed into the device of shaft furnace |
| CN101184950A (en) * | 2005-05-27 | 2008-05-21 | 空中客车德国有限公司 | Articulate connection piece for tubes |
| CN101561070A (en) * | 2009-05-19 | 2009-10-21 | 秦皇岛开发区诺实管业有限公司 | Expansion ring sealed hot compensator |
| CN101793339A (en) * | 2010-03-24 | 2010-08-04 | 辽宁新兴佳波纹管制造有限公司 | Corrugated pipe compensator of disc spring sleeve |
| CN201708463U (en) * | 2010-06-10 | 2011-01-12 | 河南平高东芝高压开关有限公司 | Pressure balanced expansion joint used for high-voltage switch device |
| CN201764190U (en) * | 2010-09-08 | 2011-03-16 | 攀钢集团冶金工程技术有限公司 | Waterproof and dustproof corrugated pipe compensator |
| CN103140680A (en) * | 2010-09-29 | 2013-06-05 | 达塔特拉亚拉贾拉姆·谢尔克 | Device for transferring energy between two fluids |
| CN201916641U (en) * | 2010-12-31 | 2011-08-03 | 攀钢集团冶金工程技术有限公司 | Split corrugated pipe compensator |
| CN102588705A (en) * | 2011-01-07 | 2012-07-18 | 李春光 | Pipeline compensator |
| US20150084328A1 (en) * | 2013-09-24 | 2015-03-26 | Witzenmann Gmbh | Compensator arrangement |
| CN204922355U (en) * | 2015-08-24 | 2015-12-30 | 南京晨光东螺波纹管有限公司 | Double containment external pressure axialmode expansion joint |
| CN205300372U (en) * | 2016-01-25 | 2016-06-08 | 山东邦华热能工程有限公司 | Jet flow type heat exchanger |
| CN205938153U (en) * | 2016-08-20 | 2017-02-08 | 浙江德卡控制阀仪表有限公司 | Bellows double -gate valve |
| CN106122584A (en) * | 2016-08-26 | 2016-11-16 | 中国重型机械研究院股份公司 | It is applicable to valve rod and the leak detection tool equipment thereof of the corrugated stainless steel tubing sealing of high temperature pressure corrosion gas |
| CN106931264A (en) * | 2017-04-26 | 2017-07-07 | 佛山市高明燃气有限公司 | Outer unidirectional adjustable and retractable bellows |
| CN207111217U (en) * | 2017-05-16 | 2018-03-16 | 无锡华利达新型材料有限公司 | A kind of automobile exhaust flexible pipe |
| CN109838934A (en) * | 2017-09-10 | 2019-06-04 | 甘肃光热发电有限公司 | Explosion-proof stable type high-temperature molten salt heat collecting field and note salt method |
| CN108019582A (en) * | 2018-01-17 | 2018-05-11 | 江苏苏创管业科技有限公司 | High temperature resistant enhanced type non-metal expansion joint |
| CN109027399A (en) * | 2018-09-19 | 2018-12-18 | 北京航天动力研究所 | High pressure air governor gas valve open in usual |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190416 |
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| RJ01 | Rejection of invention patent application after publication |