CN212511248U - Limit self-resetting explosion door device of oil field steam injection boiler - Google Patents
Limit self-resetting explosion door device of oil field steam injection boiler Download PDFInfo
- Publication number
- CN212511248U CN212511248U CN202020789741.3U CN202020789741U CN212511248U CN 212511248 U CN212511248 U CN 212511248U CN 202020789741 U CN202020789741 U CN 202020789741U CN 212511248 U CN212511248 U CN 212511248U
- Authority
- CN
- China
- Prior art keywords
- explosion
- cover plate
- proof
- sealing groove
- annular 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.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
- F23M7/00—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model relates to a boiler technical field is a spacing from compound explosion vent device of oil field steam injection boiler, take over including the flue, apron seat and explosion-proof apron, the flue is taken over and is cylindricly and be vertical setting, and the flue is taken over the outside fixed cover in upper end and is equipped with ring form apron seat, and outer wall sealing connection is taken over to apron seat inner wall and flue, and it has the explosion-proof apron that is used for opening or seals the flue and take over upper end open-ended to articulate through articulated subassembly on the apron seat, and the top surface of explosion-proof apron can contact with spacing plane when explosion-proof apron upwards rotates certain angle around the axis of articulated shaft, certain angle is 65 degrees to 75 degrees. The utility model has the advantages of reasonable and compact structure, convenient to use, it is guaranteed through the setting of spacing plane that can automatic re-setting under self action of gravity after the pressure release is opened to the explosion-proof apron, has simple structure, be convenient for make, sealing performance good, characteristics safe in utilization.
Description
Technical Field
The utility model relates to a boiler technical field is a spacing from compound explosion vent device of oil field steam injection boiler.
Background
At present, in petroleum enterprises in China, steam injection boilers in oil fields are generally popularized and used in the process of thick oil exploitation, the exploitation efficiency is greatly improved, and the important function is self-evident. Based on the technical structure characteristics and related safety standard requirements, an explosion vent is generally designed and installed on a boiler body to prevent or reduce the damage of fuel explosion to the boiler body and related elements, but the traditional explosion vent has the problems of poor automatic reset capability and the like.
Disclosure of Invention
The utility model provides a spacing from compound explosion vent device of oil field steam injection boiler has overcome above-mentioned prior art not enough, and it can effectively solve current oil field steam injection boiler and have the poor problem of automatic reset ability.
The technical scheme of the utility model is realized through following measure: a limiting self-recovery explosion-proof door device of an oil field steam injection boiler comprises a flue connecting pipe, a cover plate seat and an explosion-proof cover plate, wherein the flue connecting pipe is cylindrical and vertically arranged, a circular cover plate seat is fixedly sleeved outside the upper end of the flue connecting pipe, the inner wall of the cover plate seat is connected with the outer wall of the flue connecting pipe in a sealing manner, the cover plate seat is hinged with an explosion-proof cover plate for opening or closing an opening at the upper end of the flue connecting pipe through a hinge assembly, the explosion-proof cover plate is covered on the top surface of the cover plate seat, the hinge assembly comprises a hinge shaft, two lower ear plates and two upper ear plates, the two lower ear plates are symmetrically arranged on the cover plate seat from front to back, the two upper ear plates are symmetrically arranged on the explosion-proof cover plate from front to back and are arranged in one-to-one correspondence with the two lower ear plates, each lower ear plate is hinged with a corresponding upper ear plate through the hinge shaft, the hinge shaft is horizontally arranged from, the top surface of the explosion-proof cover plate can be contacted with the limiting plane when the explosion-proof cover plate rotates upwards for a certain angle around the axis of the hinge shaft, and the certain angle is 65-75 degrees.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the certain angle can be 70 degrees, the top surface of the explosion-proof cover plate is a horizontal plane, an intersecting line obtained by intersecting a plane where the limiting plane is located and a plane where the top surface of the explosion-proof cover plate is located is collinear with the axis of the hinge shaft, and an included angle formed by the limiting plane and the projection of the top surface of the explosion-proof cover plate in the front-back direction is 70 degrees.
Above-mentioned can all be equipped with a first articulated shaft hole on every lower otic placode, all be equipped with the articulated shaft hole of a second that corresponds with first articulated shaft hole on every upper otic placode, the articulated shaft is the front and back to passing two first articulated shaft holes and two articulated shaft holes of second, the split pin is installed respectively at both ends around the articulated shaft.
Can be provided with first annular seal groove and the annular seal groove of second on the above-mentioned apron seat top surface coaxially, the shaft cross-section of first annular seal groove and the annular seal groove of second is big end down's isosceles trapezoid shape, and the explosion-proof apron bottom surface that corresponds first annular seal groove and the annular seal groove position of second extends downwards respectively and forms first annular sand grip and the annular sand grip of second, and first annular sand grip and the annular sand grip of second peg graft respectively in first annular seal groove and the annular seal groove of second.
The inner wall of the flue connecting pipe is provided with a heat-insulating layer or a fire-resistant layer, and the bottom surface of the explosion-proof cover plate is provided with the heat-insulating layer or the fire-resistant layer through a connecting hook.
The handle can be installed on the top surface of the explosion-proof cover plate.
The utility model has the advantages of reasonable and compact structure, convenient to use, it is guaranteed through the setting of spacing plane that can automatic re-setting under self action of gravity after the pressure release is opened to the explosion-proof apron, has simple structure, be convenient for make, sealing performance good, characteristics safe in utilization.
Drawings
Fig. 1 is a schematic partial sectional structure view of the preferred embodiment of the present invention.
Fig. 2 is a schematic top view of the structure of fig. 1.
Fig. 3 is an enlarged schematic view of a portion a of fig. 1.
Fig. 4 is a front enlarged view of the lower ear plate shown in fig. 1.
The codes in the figures are respectively: 1 is the flue takeover, 2 is the apron seat, 3 is explosion-proof apron, 4 is the articulated shaft, 5 is lower otic placode, 6 is last otic placode, 7 is spacing plane, 8 is the split pin, 9 is first cyclic annular seal groove, 10 is the cyclic annular seal groove of second, 13 is first cyclic annular sand grip, 14 is the cyclic annular sand grip of second, 15 is the insulating layer, 17 is the coupling hook, 18 is the handle.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
In the present invention, for convenience of description, the description of the relative position relationship of the components is described according to the layout mode of the attached drawing 1 in the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The invention will be further described with reference to the following examples and drawings:
as shown in attached figures 1-4, the limiting self-recovery explosion-proof door device of the oil field steam injection boiler comprises a flue connecting pipe 1, a cover plate seat 2 and an explosion-proof cover plate 3, wherein the flue connecting pipe 1 is cylindrical and vertically arranged, the outer part of the upper end of the flue connecting pipe 1 is fixedly sleeved with the annular cover plate seat 2, the inner wall of the cover plate seat 2 is hermetically connected with the outer wall of the flue connecting pipe 1, the cover plate seat 2 is hinged with the explosion-proof cover plate 3 used for opening or closing the upper end opening of the flue connecting pipe 1 through a hinge assembly, the explosion-proof cover plate 3 is sealed and covered on the top surface of the cover plate seat 2, the hinge assembly comprises a hinge shaft 4, two lower ear plates 5 and two upper ear plates 6, the two lower ear plates 5 are symmetrically arranged on the cover plate seat 2 in the front-back direction, the two upper ear plates 6 are symmetrically arranged on the explosion-proof cover plate 3 in the front-back direction and are arranged corresponding to the two lower ear, and articulated shaft 4 is to the level setting around being, all has the spacing plane 7 that is used for restricting explosion-proof apron 3 opening angle on every lower otic placode 5, and explosion-proof apron 3's top surface can contact with spacing plane 7 when explosion-proof apron 3 upwards rotates certain angle around the axis of articulated shaft, certain angle is 65 degrees to 75 degrees. According to the demand, explosion-proof apron 3 is the platelike structure, during the use, take over 1 lower extreme and the flue sealing connection of oil field steam injection boiler with the flue, in the boiler normal operating in-process, explosion-proof apron 3 is in the closed condition under self action of gravity closing cap on apron seat 2, and then take over 1 to the flue and seal, prevent high temperature flue gas leakage, when the boiler is inside to take place to explode, explosion-proof apron 3 is opened rapidly under the pressure effect of flue gas, release pressure, because the opening angle of explosion-proof apron 3 has been restricted in the existence of spacing plane 7, and then explosion-proof apron 3 can the self recovery to the closed condition under self action of gravity after the pressure release is accomplished, better automatic re-setting ability has promptly, whole device is safe in utilization, and convenient for manufacturing, production.
The limiting self-resetting explosion-proof door device of the oil field steam injection boiler can be further optimized or/and improved according to actual requirements:
as shown in fig. 1-4, the certain angle is 70 degrees, the top surface of the explosion-proof cover plate 3 is a horizontal plane, an intersection line obtained by the intersection of the plane of the limiting plane 7 and the plane of the top surface of the explosion-proof cover plate 3 is collinear with the axis of the hinge shaft, and an included angle between the limiting plane 7 and the projection of the top surface of the explosion-proof cover plate 3 in the front-back direction is 70 degrees. When explosion-proof apron 3 was opened under the flue gas pressure effect from this, explosion-proof apron 3 upwards rotates 70 degrees back and is inconsistent with spacing plane 7 around the axis of articulated shaft, and then prevents explosion-proof apron 3 to continue to be opened, and after the pressure release was accomplished, explosion-proof apron 3 rotated down under self action of gravity and final closing cap was on the apron seat, realized the automatic re-setting's after the pressure release purpose promptly.
As shown in the attached drawings 1 and 2, each lower ear plate 5 is provided with a first hinged shaft hole, each upper ear plate 6 is provided with a second hinged shaft hole corresponding to the first hinged shaft hole, the hinge shaft 4 penetrates through the two first hinged shaft holes and the two second hinged shaft holes in the front and back directions, and the front end and the back end of the hinge shaft 4 are respectively provided with a cotter pin 8. The front end and the rear end of the hinge shaft 4 are respectively provided with a mounting hole which is through up and down, and the split pin 8 is inserted in the mounting hole, so that the hinged connection between the lower ear plate 5 and the corresponding upper ear plate 6 is realized, and the connection structure is stable.
As shown in fig. 1 and 3, a first annular seal groove 9 and a second annular seal groove 10 are coaxially arranged on the top surface of the cover plate seat 2, the axial cross sections of the first annular seal groove 9 and the second annular seal groove 10 are both in an isosceles trapezoid shape with a small top and a large bottom, the bottom surfaces of the explosion-proof cover plate 3 corresponding to the positions of the first annular seal groove 9 and the second annular seal groove 10 respectively extend downwards to form a first annular convex strip 13 and a second annular convex strip 14, and the first annular convex strip 13 and the second annular convex strip 14 are respectively inserted into the first annular seal groove 9 and the second annular seal groove 10. According to the demand, when using, can pack asbestos or fibre blanket in first annular seal groove 9 and second annular seal groove 10 respectively to when first annular sand grip 13 and second annular sand grip 14 peg graft respectively in first annular seal groove 9 and second annular seal groove 10, leakproofness when can further improve explosion-proof cover plate 3 and close, thereby prevented high temperature flue gas leakage.
As shown in the attached figure 1, the inner wall of the flue connecting pipe 1 is provided with a heat-insulating layer 15 or a flame-retardant coating, and the bottom surface of the explosion-proof cover plate 3 is provided with the heat-insulating layer 15 or the flame-retardant coating through a connecting hook 17. According to the requirement, the heat insulation layer 15 can be formed by pouring a light castable, the fire-resistant layer can be formed by pouring high-alumina refractory cement, and in the embodiment, the heat insulation layer 15 is respectively arranged on the inner wall of the flue connecting pipe 1 and the bottom surface of the explosion-proof cover plate 3.
As shown in fig. 2, a handle 18 is mounted on the top surface of the explosion-proof cover plate 3. Thereby facilitating pulling of the explosion-proof cover 3.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (10)
1. A self-reset type explosion door device for limiting the position of an oil field steam injection boiler is characterized by comprising a flue connecting pipe, a cover plate seat and an explosion-proof cover plate, wherein the flue connecting pipe is cylindrical and vertically arranged, the outer part of the upper end of the flue connecting pipe is fixedly sleeved with the annular cover plate seat, the inner wall of the cover plate seat is hermetically connected with the outer wall of the flue connecting pipe, the cover plate seat is hinged with the explosion-proof cover plate for opening or closing the upper end opening of the flue connecting pipe through a hinge assembly, the explosion-proof cover plate is sealed and covered on the top surface of the cover plate seat, the hinge assembly comprises a hinge shaft, two lower ear plates and two upper ear plates, the two lower ear plates are symmetrically arranged on the cover plate seat from front to back, the two upper ear plates are symmetrically arranged on the explosion-proof cover plate from front to back and are arranged in one-to-one correspondence with the two lower ear plates, each lower ear plate is hinged with the corresponding upper ear plate through the hinge shaft, the hinge shaft is horizontally, the top surface of the explosion-proof cover plate can be contacted with the limiting plane when the explosion-proof cover plate rotates upwards for a certain angle around the axis of the hinge shaft, and the certain angle is 65-75 degrees.
2. The limiting self-resetting explosion-proof door device of an oil field steam injection boiler according to claim 1, wherein the certain angle is 70 degrees, the top surface of the explosion-proof cover plate is a horizontal plane, an intersection line obtained by the intersection of a plane where the limiting plane is located and a plane where the top surface of the explosion-proof cover plate is located is collinear with the axis of the hinge shaft, and an included angle between the limiting plane and the projection of the top surface of the explosion-proof cover plate in the front-back direction is 70 degrees.
3. The limiting self-resetting explosion door device of an oil field steam injection boiler according to claim 1 or 2, characterized in that each lower ear plate is provided with a first hinge shaft hole, each upper ear plate is provided with a second hinge shaft hole corresponding to the first hinge shaft hole, the hinge shaft passes through the two first hinge shaft holes and the two second hinge shaft holes in the front-back direction, and the front end and the rear end of the hinge shaft are respectively provided with a cotter pin.
4. The limiting self-resetting explosion door device of an oil field steam injection boiler according to claim 1 or 2, characterized in that a first annular sealing groove and a second annular sealing groove are coaxially arranged on the top surface of the cover plate base, the axial cross sections of the first annular sealing groove and the second annular sealing groove are both in the shape of an isosceles trapezoid with a small top and a large bottom, the bottom surfaces of the explosion cover plate corresponding to the positions of the first annular sealing groove and the second annular sealing groove respectively extend downwards to form a first annular protruding strip and a second annular protruding strip, and the first annular protruding strip and the second annular protruding strip are respectively inserted into the first annular sealing groove and the second annular sealing groove.
5. The limiting self-resetting explosion vent device for the steam injection boiler in the oil field according to claim 3, wherein a first annular sealing groove and a second annular sealing groove are coaxially arranged on the top surface of the cover plate base, the axial cross sections of the first annular sealing groove and the second annular sealing groove are both in an isosceles trapezoid shape with a small top and a large bottom, the bottom surfaces of the explosion vent plate corresponding to the positions of the first annular sealing groove and the second annular sealing groove respectively extend downwards to form a first annular convex strip and a second annular convex strip, and the first annular convex strip and the second annular convex strip are respectively inserted into the first annular sealing groove and the second annular sealing groove.
6. The limiting self-resetting explosion-proof door device of the oil field steam injection boiler according to claim 1, 2 or 5, characterized in that the inner wall of the flue connecting pipe is provided with a heat-insulating layer or a fire-resistant layer, and the bottom surface of the explosion-proof cover plate is provided with the heat-insulating layer or the fire-resistant layer through a connecting hook.
7. The limiting self-resetting explosion-proof door device of the oilfield steam injection boiler according to claim 3, wherein a heat insulating layer or a fire-resistant layer is arranged on the inner wall of the flue connecting pipe, and the bottom surface of the explosion-proof cover plate is provided with the heat insulating layer or the fire-resistant layer through a connecting hook.
8. The limiting self-resetting explosion-proof door device of the oilfield steam injection boiler according to claim 4, wherein a heat insulating layer or a fire-resistant layer is arranged on the inner wall of the flue connecting pipe, and the bottom surface of the explosion-proof cover plate is provided with the heat insulating layer or the fire-resistant layer through a connecting hook.
9. The oilfield steam injection boiler position limiting self-resetting explosion door device according to claim 1, 2, 5, 7 or 8, wherein a handle is mounted on the top surface of the explosion cover plate.
10. The oilfield steam injection boiler limiting self-resetting explosion door device according to claim 3, wherein a handle is mounted on the top surface of the explosion-proof cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789741.3U CN212511248U (en) | 2020-05-13 | 2020-05-13 | Limit self-resetting explosion door device of oil field steam injection boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020789741.3U CN212511248U (en) | 2020-05-13 | 2020-05-13 | Limit self-resetting explosion door device of oil field steam injection boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212511248U true CN212511248U (en) | 2021-02-09 |
Family
ID=74380716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020789741.3U Active CN212511248U (en) | 2020-05-13 | 2020-05-13 | Limit self-resetting explosion door device of oil field steam injection boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212511248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100009209A1 (en) * | 2021-04-13 | 2022-10-13 | Cortem S P A | CASE |
-
2020
- 2020-05-13 CN CN202020789741.3U patent/CN212511248U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100009209A1 (en) * | 2021-04-13 | 2022-10-13 | Cortem S P A | CASE |
| EP4075614A1 (en) | 2021-04-13 | 2022-10-19 | Cortem S.p.A. | Enclosure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212511248U (en) | Limit self-resetting explosion door device of oil field steam injection boiler | |
| CN207230690U (en) | Fire-preventing check valve and central cooking fume control equipment | |
| CN201819195U (en) | Atmospheric steam boiler | |
| CN109113538A (en) | A kind of fire door self-closing type | |
| CN210831915U (en) | Explosion-proof door of waste heat boiler and waste heat boiler | |
| CN206081436U (en) | Suspension type extinguisher | |
| CN102242938B (en) | Film-type wall water pipe boiler inspection door structure | |
| CN207146919U (en) | A kind of cartridge heater heat-proof device of hot-blast stove | |
| CN206809574U (en) | A kind of spark arrester used for natural gas engine | |
| CN210291822U (en) | Heat-insulating explosion-proof door cover for heating furnace | |
| CN202166077U (en) | Membrane wall water tube boiler inspection door structure | |
| CN106225220A (en) | A kind of high waterproof thermal-insulated fire-retardant electric heater | |
| CN202032120U (en) | Gas vertical tube low-torsion ball valve | |
| CN206669000U (en) | A kind of hot blast shutoff door with faulty action preventing function | |
| CN209373750U (en) | A kind of alarm of protecting forest and prevent from fire based on solar energy | |
| CN201103920Y (en) | Pressure-fired sealing visible fire door | |
| CN209213109U (en) | A kind of gas valve with high temperature cutting function | |
| CN206637062U (en) | Zero resistance flute check valve | |
| CN213396626U (en) | Plug cap type fire poking hole | |
| CN205473332U (en) | Glass melting furnace combustion system | |
| CN212457869U (en) | Melting energy-saving device of melting furnace | |
| CN207049965U (en) | A kind of Methods of Oil-Gas Fired Boiler smoke box of sealed reliable | |
| CN204963210U (en) | Exhaust fume collecting hood and gas water heater with same | |
| CN212805632U (en) | Combustion tube for boiler improvement | |
| CN204853510U (en) | Chemical industry tail gas burns waste heat boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |