CN113915636A - Boiler explosion door and boiler thereof - Google Patents

Boiler explosion door and boiler thereof Download PDF

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Publication number
CN113915636A
CN113915636A CN202111170012.5A CN202111170012A CN113915636A CN 113915636 A CN113915636 A CN 113915636A CN 202111170012 A CN202111170012 A CN 202111170012A CN 113915636 A CN113915636 A CN 113915636A
Authority
CN
China
Prior art keywords
door
boiler
gag lever
lever post
explosion vent
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
Application number
CN202111170012.5A
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Chinese (zh)
Inventor
庞伟
洪勇
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.)
China Resources Power Hunan Liyujiang Co Ltd
Original Assignee
China Resources Power Hunan Liyujiang Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Resources Power Hunan Liyujiang Co Ltd filed Critical China Resources Power Hunan Liyujiang Co Ltd
Priority to CN202111170012.5A priority Critical patent/CN113915636A/en
Publication of CN113915636A publication Critical patent/CN113915636A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23MCASINGS, 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
    • F23M7/00Doors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/0005Details for water heaters

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  • 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)
  • Special Wing (AREA)

Abstract

The embodiment of the application discloses boiler explosion vent and boiler thereof for effectively slow down the door closure and rotate the impact force to the door frame when reseing by a wide margin, the protection door frame is indeformable, include: the door comprises a door frame, a door cover, a door shaft and at least two damping mechanisms; the door shaft is rotationally fixed on the door frame; the door cover is fixedly connected to the door shaft and rotates synchronously with the door shaft; at least two damper install in around the door closure is inboard, every damper includes spring, pipe, first gag lever post and second gag lever post, the bottom mounting of pipe laminate in the door closure inner wall, first gag lever post is fixed in the bottom of pipe, the second gag lever post install in the top of pipe extends the pipe, the spring run-through install in first gag lever post with between the second gag lever post, first gag lever post with be provided with the interval between the second gag lever post.

Description

Boiler explosion door and boiler thereof
Technical Field
The embodiment of the application relates to the field of heating equipment, in particular to a boiler explosion door and a boiler thereof.
Background
The boiler is a heat conversion device, the energy input to the boiler is in the forms of chemical energy in fuel, electric energy, heat energy of high-temperature flue gas and the like, and steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after conversion by the boiler. At present, most of boilers are often exploded due to various reasons in the using process, so that the boiler main body is damaged slightly, and human casualties are caused seriously, so that great economic loss is easily caused.
The gravity inclined explosion-proof door is a widely used type with simple structure, convenient manufacture, flexible take-off, automatic reset and good safety, does not influence the operation of the boiler when being started, and is opened when the boiler has combustion failure, thereby avoiding equipment accidents. Because of the weight and angle of the gravity inclined explosion-proof door, the common gravity explosion-proof door is only a simple base and a simple cover plate in the actual operation, so that the explosion-proof door with the structure is easy to deform and not tightly close due to overlarge internal pressure of a boiler and large impact force on a door frame when the door cover is rotated and reset greatly, and the service life of the explosion-proof door is shortened.
Disclosure of Invention
The embodiment of the application provides a boiler explosion vent and boiler thereof, through set up damper between door closure and door frame contact surface, can effectively slow down the door closure and rotate the impact force to the door frame when reseing by a wide margin, the protection door frame is indeformable.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides in a first aspect a boiler explosion vent, comprising: the door comprises a door frame, a door cover, a door shaft and at least two damping mechanisms;
the door shaft is rotationally fixed on the door frame;
the door cover is fixedly connected to the door shaft and rotates synchronously with the door shaft;
at least two damper install in around the door closure is inboard, every damper includes spring, pipe, first gag lever post and second gag lever post, the bottom mounting of pipe laminate in the door closure inner wall, first gag lever post is fixed in the bottom of pipe, the second gag lever post install in the top of pipe extends the pipe, the spring run-through install in first gag lever post with between the second gag lever post, first gag lever post with be provided with the interval between the second gag lever post.
According to one embodiment of the boiler explosion vent, the extending end of the second limiting rod is provided with a buffer block, and the buffer block is made of elastic materials.
According to one embodiment of the boiler explosion vent, rubber gaskets are arranged on the contact surfaces of the first limiting rod and the second limiting rod.
According to one embodiment of the boiler explosion vent, at least two balancing weights are detachably arranged on the door shaft along the axial direction at intervals.
According to one embodiment of the boiler explosion door, the door frame is provided with an annular sealing groove, sealing sand is arranged in the annular sealing groove, and the door cover is provided with a joint edge matched with the annular sealing groove.
According to one embodiment of the boiler explosion door, the door frame is a hollow metal structure and is made of steel plates, and the inner cavity of the door cover is filled with heat-insulating materials.
According to a further embodiment of the boiler explosion vent, the door frame is provided with a groove which is attached to the contact surface of the buffer block.
According to a further embodiment of the boiler explosion vent, the at least two balancing weights are mounted on the door shaft through fixing bolts.
According to a further embodiment of the boiler explosion vent according to the invention, the groove is provided with a rubber layer.
A second aspect of the present invention provides a boiler, comprising: a boiler body provided with an inlet and a boiler explosion vent as claimed in any one of claims 1 to 9, the boiler explosion vent being mounted at the inlet.
In above technical scheme, boiler explosion vent in this application embodiment, through set up damper in the door closure inboard, when making the door closure rotate by a wide margin and reset, the door closure produces the cushion effect with the help of damper's spring with the help of damper's during with the door frame contact, effectively slows down the impact force of door closure to the door frame, and the protection door frame is indeformable, prolongs explosion vent's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an explosion vent of a boiler provided by an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a damping mechanism of a boiler explosion vent according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a boiler according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
The embodiment of the application provides a boiler explosion vent and boiler thereof, through set up damper between door closure and door frame contact surface, can effectively slow down the door closure and rotate the impact force to the door frame when reseing by a wide margin, the protection door frame is indeformable.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a boiler explosion vent according to an embodiment of the present application, including: the door comprises a door frame 1, a door cover 2, a door shaft 3 and at least two damping mechanisms 4; door-hinge 3 rotates through adapting unit above and is fixed in on door frame 1, door closure 2 fixed connection on door-hinge 3 and with door-hinge 3 synchronous rotation, after inside emergence detonation and accumulate enough big pressure, door closure 2 and door-hinge 3 rotate and open jointly under the effect of the impulsive force, door closure 2 opens the back and carries out the pressure release to the high-temperature gas in the boiler outlet channel, above-mentioned two at least damper 4 install around 2 inboards of door closure to evenly distributed is around door closure 2. Referring to fig. 2, fig. 2 is a schematic structural diagram of a damping mechanism of a boiler explosion vent according to an embodiment of the present disclosure, in which each damping mechanism 4 includes a spring 41, a guide tube 42, a first limiting rod 43 and a second limiting rod 44, a bottom end of the guide tube 42 is fixedly attached to an inner wall of the door cover 2, the first limiting rod 43 is fixed to a bottom end of the guide tube 42, the second limiting rod 44 is installed at a top end of the guide tube 42 and extends out of the guide tube 42, the spring 41 is installed between the first limiting rod 43 and the second limiting rod 44 in a penetrating manner, and a gap is formed between the first limiting rod 43 and the second limiting rod 44. After the high-temperature gas pressure relief in the boiler outlet channel is completed, the internal pressure of the boiler is reduced, the door cover 2 is reset and closed, the second limiting rod 44 moves towards the first limiting rod 43 and compresses the spring 41, and the impact force of the door cover 2 on the door frame 1 is effectively reduced due to the action of the spring force.
In one embodiment of the explosion vent for a boiler according to the present invention, the extended end of the second stopper 44 is provided with a buffer 46, and the buffer 46 is made of an elastic material. When the door cover 2 is reset and closed, the extending end of the second limiting rod 44 is extruded by the door frame 1, the extending end of the second limiting rod 44 is provided with the buffer block 46, and the buffer block 46 is made of elastic material, so that the impact of the extending end of the second limiting rod 44 on the shell of the door frame 1 can be effectively reduced.
According to an embodiment of the boiler explosion vent of the present invention, rubber gaskets 45 are disposed on the contact surfaces of the first stopper rod 43 and the second stopper rod 44. When the door cover 2 is reset and closed, the second limiting rod 44 is extruded by the casing of the door frame 1 to displace towards the first limiting rod 43, and when the distance between the first limiting rod 43 and the second limiting rod 44 is 0, the rubber gasket 45 can absorb part of impact force, so that a better shock absorption effect is achieved.
According to one embodiment of the boiler explosion vent, at least two balancing weights 5 are detachably mounted on the door shaft 3 along the axial direction at intervals. The boiler explosion vent is fixed because the quality, and the pressure of pressure release is according to the boiler internal pressure and the situation change of boiler occasionally, can adjust the quantity of balancing weight 5 here according to the pressure demand of pressure release in the production to make the take-off pressure of door closure 2 adjustable, guarantee the safety of safe pressure release and boiler.
According to one embodiment of the boiler explosion door, the door frame 1 is provided with an annular sealing groove, sealing sand is arranged in the annular sealing groove, and the door cover 2 is provided with a joint edge matched with the annular sealing groove. When the door cover 2 is closed, the sealing sand is adopted to form a certain buffer effect on the door cover 2, so that the impact force on the door frame 1 is relieved when the door cover 2 is closed, and the damage of the joint edge of the door cover is avoided. Meanwhile, the sealing performance of the explosion door can be ensured to be better through the matching of the annular sealing groove and the joint edge, and the high-temperature smoke is prevented from overflowing outwards.
According to an embodiment of the boiler explosion-proof door, the door frame 1 is a hollow metal structure and is made of steel plates, and the inner cavity of the door cover 2 is filled with heat-insulating materials, such as refractory concrete, so that the boiler explosion-proof door has good explosion-proof and fire-proof effects and can provide high self weight.
According to a further embodiment of the boiler explosion vent according to the present invention, the door frame 1 is provided with a groove which is engaged with a contact surface of the buffer block 46. The cambered surface of the groove can be attached to the contact surface of the buffer block 46, so that the situation that the door cover 2 and the door frame 1 are not tightly closed due to the existence of the buffer mechanism 4 is avoided.
According to a further embodiment of the boiler explosion vent, the at least two counterweights 4 are mounted on the door shaft 3 by means of fixing bolts.
According to a further embodiment of the boiler explosion vent according to the invention, the groove is provided with a rubber layer. The rubber layer slows down the impact force of buffer block and recess, guarantees the durability of door frame 1 use.
A second aspect of the present invention provides a boiler, please refer to fig. 2, fig. 2 is a schematic structural diagram of a boiler according to an embodiment of the present application, including: boiler body 6 and a boiler explosion vent as claimed in any one of claims 1 to 9, the boiler body 6 being provided with an inlet, said boiler explosion vent being mounted at the inlet.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are intended to be illustrative only and are not intended to be limiting, since the same are not intended to be exhaustive or to limit the scope of the invention, which is defined by the appended claims, and therefore all changes in structure, proportion, and size which are within the range of the disclosed technology are not necessarily to scale.

Claims (10)

1. A boiler explosion vent, comprising: the door comprises a door frame, a door cover, a door shaft and at least two damping mechanisms;
the door shaft is rotationally fixed on the door frame;
the door cover is fixedly connected to the door shaft and rotates synchronously with the door shaft;
at least two damper install in around the door closure is inboard, every damper includes spring, pipe, first gag lever post and second gag lever post, the bottom mounting of pipe laminate in the door closure inner wall, first gag lever post is fixed in the bottom of pipe, the second gag lever post install in the top of pipe extends the pipe, the spring run-through install in first gag lever post with between the second gag lever post, first gag lever post with be provided with the interval between the second gag lever post.
2. The boiler explosion vent according to claim 1, wherein a buffer block is disposed at the extending end of the second limiting rod, and the buffer block is made of an elastic material.
3. The boiler explosion vent according to claim 1, wherein rubber gaskets are arranged on the contact surfaces of the first limiting rod and the second limiting rod.
4. The boiler explosion vent as set forth in claim 1, wherein at least two counterweights are detachably mounted to said door shaft at axially spaced intervals.
5. The boiler explosion vent as recited in claim 1, wherein said door frame is provided with an annular sealing groove, sealing sand is disposed in said annular sealing groove, and said door cover is provided with a joint edge engaged with said annular sealing groove.
6. The boiler explosion vent as set forth in claim 1, wherein said door frame is of a hollow metal structure made of steel plate, and an inner cavity of said door cover is filled with a heat insulating material.
7. The boiler explosion vent according to claim 2, wherein the door frame is provided with a groove which is fitted to a contact surface of the buffer block.
8. The boiler explosion vent according to claim 5, wherein the at least two counterweights are mounted on the door shaft by fixing bolts.
9. The boiler explosion vent according to claim 7, wherein the groove is provided with a rubber layer.
10. A boiler, characterized in that it comprises: a boiler body provided with an inlet and a boiler explosion vent as claimed in any one of claims 1 to 9, the boiler explosion vent being mounted at the inlet.
CN202111170012.5A 2021-10-08 2021-10-08 Boiler explosion door and boiler thereof Pending CN113915636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111170012.5A CN113915636A (en) 2021-10-08 2021-10-08 Boiler explosion door and boiler thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111170012.5A CN113915636A (en) 2021-10-08 2021-10-08 Boiler explosion door and boiler thereof

Publications (1)

Publication Number Publication Date
CN113915636A true CN113915636A (en) 2022-01-11

Family

ID=79238081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111170012.5A Pending CN113915636A (en) 2021-10-08 2021-10-08 Boiler explosion door and boiler thereof

Country Status (1)

Country Link
CN (1) CN113915636A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203572230U (en) * 2013-09-16 2014-04-30 中石化广州工程有限公司 Heating furnace explosion door
CN212057367U (en) * 2020-04-29 2020-12-01 山西建邦集团铸造有限公司 Boiler explosion-proof door

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203572230U (en) * 2013-09-16 2014-04-30 中石化广州工程有限公司 Heating furnace explosion door
CN212057367U (en) * 2020-04-29 2020-12-01 山西建邦集团铸造有限公司 Boiler explosion-proof door

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