CN105257869A - Paste fuel gas generator anti-backfire device with double-security mechanism - Google Patents
Paste fuel gas generator anti-backfire device with double-security mechanism Download PDFInfo
- Publication number
- CN105257869A CN105257869A CN201510639460.3A CN201510639460A CN105257869A CN 105257869 A CN105257869 A CN 105257869A CN 201510639460 A CN201510639460 A CN 201510639460A CN 105257869 A CN105257869 A CN 105257869A
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- China
- Prior art keywords
- lotion
- valve
- component
- heat insulation
- gas generator
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Classifications
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- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
The invention discloses a paste fuel gas generator anti-backfire device with a double-security mechanism, and the anti-backfire device is suitable for a paste fuel gas generator. The paste fuel gas generator anti-backfire device comprises an active-cutoff control valve and a paste one-way valve, and the active-cutoff control valve and the paste one-way valve are connected in series; the active-cutoff control valve comprises a valve box cover, a columnar valve body and a valve box, and the paste one-way valve comprises an adapter pipeline, heat insulation sheets, a spring fixing component, a spring, a heat insulation fixing component, a bush, a metal flow channel, a valve body pipeline, a heat insulation flow channel and a paste cutoff component. By means of the paste fuel gas generator anti-backfire device with the double-security mechanism, one-way flowing control over paste can be better achieved, and the problem of the bad paste cutoff effect of an existing one-way valve is solved; the anti-backfire device has a good cutoff effect and is provided with a heat protection device, and the anti-backfire device can be used in the paste fuel gas generator to prevent the backfire phenomenon to a certain extent.
Description
Technical field
The invention belongs to control valve for fluids technical field, particularly a kind of lotion gas generator fireproof tempering device of dual fail-safe mechanism.
Background technique
The fluid non-return valve of prior art is mostly liquid non-return valve or cooling gas check valve, liquid or cooling gas check valve compact structure inner body comparatively tiny, when fluid is lotion, existing fluid non-return valve can not work well, the situation having some setbacks or can not cut off can be cut off, because lotion viscosity is larger, be unfavorable for the work of valve inner small part, so seldom there is the one-way valve being applicable to lotion flowing and controlling, and lotion gas generator in the course of the work lotion one-way valve burn outward finally to be burned to one-way valve off-position cut-off, so be easy to tempering phenomenon occurs, existing fluid non-return valve structure all lacks thermal protection again mostly, and it is not good to the cut-out effect of lotion, anti-fluid can not there is tempering in combustion, therefore be badly in need of a kind of unidirectional flow control valve being applicable to lotion for solving lotion safe transport problem.
Summary of the invention
The object of the present invention is to provide a kind of safe transport lotion in lotion gas generator and lotion one-way flow can be ensured, at the end of burning, preventing the fluid non-return valve of tempering phenomenon to solve the problem that existing fluid non-return valve technology is not suitable for lotion flowing control.
The technical solution realizing the object of the invention is:
Invented a kind of lotion gas generator fireproof tempering device being applicable to a kind of dual fail-safe mechanism of lotion gas generator, comprise initiatively cutting-off controlling valve and lotion one-way valve, initiatively cutting-off controlling valve is connected with lotion one-way valve, initiatively cutting-off controlling valve comprises valve Box Cover, column valve body and valve casing, valve casing is fixed with main pipeline and is communicated with, column valve body has the straight-line trajectory perpendicular to main pipeline axis in valve casing, and at the two ends of movement locus by valve cabinet wall and valve Box Cover spacing, column valve body has the passage perpendicular to cylindrical valve body axis, cavity between the end face of column valve body and the inwall of valve casing is communicated with the flow channel of lotion, the perforate that cavity between the end face of valve Box Cover and column valve body is covered by valve casing is in communication with the outside, lotion one-way valve comprises adapting pipe, heat filter, spring fixed component, spring, heat insulation fixed component, lining, metal flow passage, conduit, heat insulation runner and lotion cut off component, adapting pipe one end is fixed with valve casing and is communicated with, the other end is connected by flange arrangement with heat filter and conduit successively, the other end and the heat insulation fixed component of conduit are connected by flange arrangement, spring fixed component coordinates with the slipper seal of conduit inwall in conduit, spring is coaxially arranged with between spring fixed component and heat insulation fixed component, lotion cuts off component, heat insulation runner and metal flow passage are coaxially arranged successively in spring fixed component, the inwall that lotion cuts off component and spring fixed component is connected, and the end face of lotion cut-out component has the cone boss structure coordinated with adapting pipe perforate, the annular boss that the shaft shoulder on heat insulation runner end face is cut off component and spring fixed component inwall by lotion is fastening in the axial direction, the other end of heat insulation runner is fixed with metal flow passage, lotion cuts off component, heat insulation runner and metal flow passage have the spool fluid passage running through three, the inwall of heat insulation fixed component is provided with lining, the shaft shoulder of metal flow passage coordinates with the inwall slipper seal of lining, column valve body has the state of conducting and closed main pipeline and adapting pipe in valve casing.
The present invention compared with prior art, its remarkable advantage:
The present invention achieves lotion one-way flow better and controls, solve existing one-way valve cuts off poor effect problem to lotion, have and cut off effect preferably, and there is temperature barrier, can use in lotion gas generator, can tempering phenomenon be prevented to a certain extent.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lotion gas generator fireproof tempering device of dual fail-safe mechanism of the present invention.
Embodiment
Composition graphs 1:
The lotion gas generator fireproof tempering device of a kind of dual fail-safe mechanism of the present invention, comprise initiatively cutting-off controlling valve and lotion one-way valve, initiatively cutting-off controlling valve is connected with lotion one-way valve, initiatively cutting-off controlling valve comprises valve Box Cover 2, column valve body 3 and valve casing 4, valve casing 4 is fixed with main pipeline 1 and is communicated with, column valve body 3 has the straight-line trajectory perpendicular to main pipeline 1 axis in valve casing 4, and at the two ends of movement locus by valve casing 4 inwall and valve Box Cover 2 spacing, column valve body 3 has the passage perpendicular to column valve body 3 axis, cavity between the end face of column valve body 3 and the inwall of valve casing 4 is communicated with the flow channel of lotion, cavity between the end face of valve Box Cover 2 and column valve body 3 is in communication with the outside by the perforate on valve Box Cover 2, lotion one-way valve comprises adapting pipe 5, heat filter 6, spring fixed component 7, spring 8, heat insulation fixed component 9, lining 10, metal flow passage 11, conduit 12, heat insulation runner 13 and lotion cut off component 14, adapting pipe 5 one end is fixed with valve casing 4 and is communicated with, the other end is connected by flange arrangement with heat filter 6 and conduit 12 successively, the other end and the heat insulation fixed component 9 of conduit 12 are connected by flange arrangement, spring fixed component 7 coordinates with the slipper seal of conduit 12 inwall in conduit 12, spring 8 is coaxially arranged with between spring fixed component 7 and heat insulation fixed component 9, lotion cuts off component 14, heat insulation runner 13 and metal flow passage 11 are coaxially arranged successively in spring fixed component 7, lotion cuts off component 14 and is connected with the inwall of spring fixed component 7, and the end face of lotion cut-out component 14 has the cone boss structure coordinated with adapting pipe 5 perforate, the annular boss that the shaft shoulder on heat insulation runner 13 end face is cut off component 14 and spring fixed component 7 inwall by lotion is fastening in the axial direction, the other end of heat insulation runner 13 is fixed with metal flow passage 11, lotion cuts off component 14, heat insulation runner 13 and metal flow passage 11 have the spool fluid passage running through three, the inwall of heat insulation fixed component 9 is provided with lining 10, the shaft shoulder of metal flow passage 11 coordinates with the inwall slipper seal of lining 10, column valve body 3 has the state of conducting and closed main pipeline 1 and adapting pipe 5 in valve casing 4.
Passage end opening on column valve body 3 is milled with plane.
The sidewall of adapting pipe 5 has the threaded connection hole of set temperature sensor and pressure transducer.
The end face that lotion cuts off component 14 relative with heat filter 6 circumferentially has the annular diversion trench be communicated with spool fluid passage.
Ignition mechanism is provided with in cavity between the end face of valve Box Cover 2 and column valve body 3.
Working principle of the present invention is:
The lotion gas generator fireproof tempering device promotion lotion cut-out component 14 that lotion enters dual fail-safe mechanism by ambient pressure moves, indirectly make adapting pipe 5 and spool fluid passage unimpeded spring 8 compression, thus flow through spool (by spring fixed component 7, metal flow passage 11, heat insulation runner 13 and lotion cut off component 14 and form) arrive outlet metal flow passage 11 mouthfuls, when front pressure is reduced to a certain degree, the underpressure of lotion is compressed to make spring 8, spring 8 indirectly drives lotion to cut off component 14 and to move back initial position, thus adapting pipe 5 and spool fluid passage disconnect, cut off lotion thus the further transmission of prevention lotion combustion process Flame, when recorded by temperature transducer and pressure transducer there is the generation tempering of fortuitous event one-way flow device time, initiatively cutting-off controlling valve is started working and main pipeline 1 and adapting pipe 5 is disconnected, thus stop further tempering.
Specific works mode is that lotion flows through main pipeline 1, valve casing 4, column valve body 3, adapting pipe 5 until lotion cuts off the cone boss of component 14, cone boss makes lotion cut-out component 14, spring fixed component 7, heat insulation runner 13 and metal flow passage 11 together move thus spring 8 is compressed to rear driving by lotion, adapting pipe 5 and spool fluid passage open to unimpeded, lotion flow through run through lotion cut off component 14, heat insulation runner 13 and metal flow passage 11 three spool fluid passage thus arrive working position.
When lotion pressure be reduced to be not enough to spring 8 to compress time, spring 8 driving spring fixed component 7, lotion cut off component 14, heat insulation runner 13 and metal flow passage 11 and move to initial position, now adapting pipe 5 and spool fluid passage disconnect lotion and are cut off, and the annular diversion trench termination that flame combustion cuts off component to lotion is burnt.
When occurring that fortuitous event lotion flame combustion is inner to adapting pipe 5, initiatively cutting-off controlling valve is started working, ignition mechanism in cavity between the end face of valve Box Cover 2 and column valve body 3 is detonated and is produced a large amount of gas-powered column valve body 3 cavity that column valve body 3 and valve casing 4 are formed that moves and compress until two planes are fitted, thus column valve body cut-out lotion stops flame to transmit further, thus terminate tempering.
Embodiment:
A lotion gas generator fireproof tempering device for dual fail-safe mechanism, comprise initiatively cutting-off controlling valve and lotion one-way valve, initiatively cutting-off controlling valve is connected with lotion one-way valve, initiatively cutting-off controlling valve comprises valve Box Cover 2, column valve body 3 and valve casing 4, valve casing 4 is fixed with main pipeline 1 and is communicated with, column valve body 3 has the straight-line trajectory perpendicular to main pipeline 1 axis in valve casing 4, and at the two ends of movement locus by valve casing 4 inwall and valve Box Cover 2 spacing, column valve body 3 has the passage perpendicular to column valve body 3 axis, cavity between the end face of column valve body 3 and the inwall of valve casing 4 is communicated with the flow channel of lotion, cavity between the end face of valve Box Cover 2 and column valve body 3 is in communication with the outside by the perforate on valve Box Cover 2, lotion one-way valve comprises adapting pipe 5, heat filter 6, spring fixed component 7, spring 8, heat insulation fixed component 9, lining 10, metal flow passage 11, conduit 12, heat insulation runner 13 and lotion cut off component 14, adapting pipe 5 one end is fixed with valve casing 4 and is communicated with, the other end is connected by flange arrangement with heat filter 6 and conduit 12 successively, the other end and the heat insulation fixed component 9 of conduit 12 are connected by flange arrangement, spring fixed component 7 coordinates with the slipper seal of conduit 12 inwall in conduit 12, spring 8 is coaxially arranged with between spring fixed component 7 and heat insulation fixed component 9, lotion cuts off component 14, heat insulation runner 13 and metal flow passage 11 are coaxially arranged successively in spring fixed component 7, lotion cuts off component 14 and is connected with the inwall of spring fixed component 7, and the end face of lotion cut-out component 14 has the cone boss structure coordinated with adapting pipe 5 perforate, the annular boss that the shaft shoulder on heat insulation runner 13 end face is cut off component 14 and spring fixed component 7 inwall by lotion is fastening in the axial direction, the other end of heat insulation runner 13 is fixed with metal flow passage 11, lotion cuts off component 14, heat insulation runner 13 and metal flow passage 11 have the spool fluid passage running through three, the inwall of heat insulation fixed component 9 is provided with lining 10, the shaft shoulder of metal flow passage 11 coordinates with the inwall slipper seal of lining 10, column valve body 3 has the state of conducting and closed main pipeline 1 and adapting pipe 5 in valve casing 4.
Passage end opening on column valve body 3 is milled with plane.
The sidewall of adapting pipe 5 has the threaded connection hole of set temperature sensor and pressure transducer.
The end face that lotion cuts off component 14 relative with heat filter 6 circumferentially has the annular diversion trench be communicated with spool fluid passage.
Ignition mechanism is provided with in cavity between the end face of valve Box Cover 2 and column valve body 3.
Initiatively cutting-off controlling valve is by column valve body 3 and valve casing 4 and valve Box Cover 2, it is inner that column valve body 3 is positioned at valve casing 4, valve Box Cover 2 is fixed on valve casing 4, a part of cavity is left between valve Box Cover 2 and column valve body 3, column valve body 3 can slide in the Vertical direction of lotion flow direction, described column valve body 3 entirety is metallic material cylindrical body, and its cylinder has through hole and circulates for lotion, in through hole facing cut plane.
Valve casing 4 inside has fluid passage, and it can be made to move up and down at flowing Vertical direction accommodation column valve body, realize the conducting of flow channel with closed, both sides have tapped hole and are connected with main pipeline 1 and adapting pipe 5, upper-end surface cover plate 2 is fixed on valve casing by screw thread, centre has through hole, and itself and column valve body 3 surface of contact leave cavity.
Adapting pipe 5 has the cylindrical metal pipeline of flange arrangement for one end, the other end is that external thread structure is connected with active cutting-off controlling valve, its pipeline outer wall has the connecting thread hole of temperature transducer and pressure transducer, its one end with flange with small-sized projection with taper chamfering pipeline.
Heat filter 6, heat insulation fixed component 9, heat insulation runner 13 are that the phenol aldehyde laminated cloth rod of resistance to ablation processes, and heat filter 6 is circular, around uniform 8 through holes, and a middle through hole can be connected with taper chamfering pipeline with the small-sized projection of adapting pipe; Heat insulation fixed component 9 is the columnar components of two ends with columnar step, and center is through hole, and external process has a ring through hole for the connection of flange; Heat insulation runner 13 entirety is in cylindric, and one end is processed with protruding round platform rank for fixing, has through hole for the bolton with metal flow passage in the middle of a middle uniform circle six through holes.
It is with the cylindric guide channel of cone head profile with spill guiding gutter that lotion cuts off component 14, and match with the protruding pipeline of adapting pipe primarily of front end projection, its outside is connected with spring fixed component 7 with outside thread.
Spring fixed component 7 is metallic material, cylindric, and inside is processed with concave station and internal thread cuts off component and heat insulation runner for fixing lotion, and outside can fixing spring.
Metal flow passage 11, lining 10 form for metal material processing, and centre has through hole for the bolton with heat insulation runner 13; In a tubular form, one end is processed with positioning step to liner body.
Conduit 12 forms for metal material processing, two flange arrangement pipeline, for the fixing of one-way valve and protective action.
Claims (8)
1. a lotion gas generator fireproof tempering device for dual fail-safe mechanism, is characterized in that: comprise initiatively cutting-off controlling valve and lotion one-way valve, initiatively cutting-off controlling valve is connected with lotion one-way valve, initiatively cutting-off controlling valve comprises valve Box Cover (2), column valve body (3) and valve casing (4), valve casing (4) is fixed with main pipeline (1) and is communicated with, column valve body (3) has the straight-line trajectory perpendicular to main pipeline (1) axis in valve casing (4), and at the two ends of movement locus by valve casing (4) inwall and valve Box Cover (2) spacing, column valve body (3) has the passage perpendicular to column valve body (3) axis, cavity between the end face of column valve body (3) and the inwall of valve casing (4) is communicated with the flow channel of lotion, cavity between the end face of valve Box Cover (2) and column valve body (3) is in communication with the outside by the perforate on valve Box Cover (2), lotion one-way valve comprises adapting pipe (5), heat filter (6), spring fixed component (7), spring (8), heat insulation fixed component (9), lining (10), metal flow passage (11), conduit (12), heat insulation runner (13) and lotion cut off component (14), adapting pipe (5) one end is fixed with valve casing (4) and is communicated with, the other end is connected by flange arrangement with heat filter (6) and conduit (12) successively, the other end and the heat insulation fixed component (9) of conduit (12) are connected by flange arrangement, spring fixed component (7) coordinates with conduit (12) inwall slipper seal in conduit (12), spring (8) is coaxially arranged with between spring fixed component (7) and heat insulation fixed component (9), lotion cuts off component (14), heat insulation runner (13) and metal flow passage (11) are coaxially arranged successively in spring fixed component (7), lotion cuts off component (14) and is connected with the inwall of spring fixed component (7), and the end face of lotion cut-out component (14) has the cone boss structure coordinated with adapting pipe (5) perforate, the annular boss that the shaft shoulder on heat insulation runner (13) end face is cut off component (14) and spring fixed component (7) inwall by lotion is fastening in the axial direction, the other end of heat insulation runner (13) is fixed with metal flow passage (11), lotion cuts off component (14), heat insulation runner (13) and metal flow passage (11) have the spool fluid passage running through three, the inwall of heat insulation fixed component (9) is provided with lining (10), the shaft shoulder of metal flow passage (11) coordinates with the inwall slipper seal of lining (10), column valve body (3) has the state of conducting and closed main pipeline (1) and adapting pipe (5) in valve casing (4).
2. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 1, is characterized in that: the passage end opening on described column valve body (3) is milled with plane.
3. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 1 and 2, is characterized in that: the threaded connection hole sidewall of described adapting pipe (5) having set temperature sensor and pressure transducer.
4. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 1 and 2, is characterized in that: the end face that described lotion cuts off component (14) relative with heat filter (6) circumferentially has the annular diversion trench be communicated with spool fluid passage.
5. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 3, is characterized in that: the end face that described lotion cuts off component (14) relative with heat filter (6) circumferentially has the annular diversion trench be communicated with spool fluid passage.
6. the lotion gas generator fireproof tempering device of the dual fail-safe mechanism according to claim 1 or 2 or 5, is characterized in that: be provided with ignition mechanism in the cavity between described valve Box Cover (2) and the end face of column valve body (3).
7. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 3, is characterized in that: be provided with ignition mechanism in the cavity between described valve Box Cover (2) and the end face of column valve body (3).
8. the lotion gas generator fireproof tempering device of dual fail-safe mechanism according to claim 4, is characterized in that: be provided with ignition mechanism in the cavity between described valve Box Cover (2) and the end face of column valve body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639460.3A CN105257869B (en) | 2015-09-30 | 2015-09-30 | The lotion gas generator fireproof tempering device of dual fail-safe mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510639460.3A CN105257869B (en) | 2015-09-30 | 2015-09-30 | The lotion gas generator fireproof tempering device of dual fail-safe mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105257869A true CN105257869A (en) | 2016-01-20 |
| CN105257869B CN105257869B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510639460.3A Expired - Fee Related CN105257869B (en) | 2015-09-30 | 2015-09-30 | The lotion gas generator fireproof tempering device of dual fail-safe mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526066A (en) * | 2016-11-07 | 2017-03-22 | 南京理工大学 | A hot-start experiment apparatus for a paste gas generator |
| CN114483370A (en) * | 2022-02-17 | 2022-05-13 | 湖北航天化学技术研究所 | Nozzle sealing structure and gas generating equipment |
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| CN114483370A (en) * | 2022-02-17 | 2022-05-13 | 湖北航天化学技术研究所 | Nozzle sealing structure and gas generating equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105257869B (en) | 2018-01-05 |
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Granted publication date: 20180105 Termination date: 20200930 |