CN219995922U - Pit furnace fast cooling air duct structure - Google Patents
Pit furnace fast cooling air duct structure Download PDFInfo
- Publication number
- CN219995922U CN219995922U CN202321355875.4U CN202321355875U CN219995922U CN 219995922 U CN219995922 U CN 219995922U CN 202321355875 U CN202321355875 U CN 202321355875U CN 219995922 U CN219995922 U CN 219995922U
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- CN
- China
- Prior art keywords
- air duct
- outlet pipe
- furnace body
- air outlet
- butt flange
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- 238000001816 cooling Methods 0.000 title claims abstract description 17
- 238000004321 preservation Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The utility model belongs to the technical field of pit furnaces, and relates to a pit furnace fast cooling air duct structure, which comprises an air outlet pipe, wherein one end of the air outlet pipe is communicated with an air duct, the other end of the air outlet pipe is communicated with a furnace body, the air outlet pipe is detachably and hermetically connected with the furnace body through a butt flange, and the periphery of the air outlet pipe is also provided with an insulating layer. The air duct is connected with the furnace body through the butt flange, so that the operation is convenient, and compared with the traditional mode of directly connecting the air duct with the furnace body, the problem that the air duct and the furnace body cannot be completely sealed and welded due to insufficient operation space, so that a large amount of heat is lost due to leakage of hot air is avoided; through the design of the detachable connection of the butt flange and the furnace body, the butt flange can be transported separately from the furnace body during transportation, and is flexible and convenient; through the design of heat preservation, no longer need seal weld, the steam also can not reveal, has effectively stopped the energy extravagant like this, brings a good production environment for the workshop, has simple structure, and is reliable and stable, both convenient transportation, guarantees sealed effect again, avoids advantages such as heat loss.
Description
Technical Field
The utility model belongs to the technical field of pit furnaces, and particularly relates to a pit furnace fast cooling air duct structure.
Background
The pit furnace is a periodic operation furnace, and is suitable for heat treatment of parts such as rods and long shafts. The pit furnace has the structure that: the furnace body is a cylindrical deep well, and the workpiece is vertically arranged in the furnace by a special crane to be heated, and one of the common equipment for the heat treatment process is adopted.
The structural design of the pit furnace quick cooling air outlet in the prior art has the following defects:
1. when the air duct is connected with the furnace body, the air duct needs to be provided with holes on site and then welded in a sealing way, so that great workload is brought to site construction;
2. after the junction is done and is kept warm, outside backplate needs sealed welding, because space reason, the clearance between wind channel and the furnace body can not be too big, brings very big difficulty for the weldment work, if leak and weld, the steam will leak out from the clearance, forms thermal short circuit, causes the energy extravagant, lets workshop temperature greatly increased simultaneously.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings in the prior art, and the designed pit furnace fast cooling air duct structure is simple in structure, stable and reliable, convenient to transport and capable of guaranteeing the sealing effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a pit furnace quick cooling air duct structure, includes out the tuber pipe, play tuber pipe one end and wind channel intercommunication, the other end and furnace body intercommunication, and go out and dismantle sealing connection through the butt flange between tuber pipe and the furnace body, the periphery of play tuber pipe still is equipped with the heat preservation.
Preferably, the air outlet pipe is in an L-shaped structural design.
Preferably, the air duct is provided with a connecting hole matched with the air outlet pipe.
Preferably, one end of the air outlet pipe extends into the connecting hole and is welded with the connecting hole in a sealing way.
Preferably, the butt flange is welded on the air outlet pipe in a sealing way.
Preferably, the heat-insulating layer extends above the butt flange.
After the technical scheme is adopted, the pit furnace fast cooling air duct structure provided by the utility model has the following beneficial effects:
compared with the traditional mode of directly connecting the air duct with the furnace body, the utility model avoids the problem that the air duct and the furnace body are not completely sealed and welded due to insufficient operation space, so that a great amount of heat is lost due to leakage of hot gas; through the design of the detachable connection of the butt flange and the furnace body, the butt flange can be transported separately from the furnace body during transportation, and is flexible and convenient; through the design of heat preservation, no longer need seal welding, the steam can not reveal yet, has effectively stopped the energy extravagant like this, brings a good production environment for the workshop. Therefore, the utility model has the advantages of simple structure, stability, reliability, convenient transportation, ensuring sealing effect, avoiding heat loss and the like.
Drawings
FIG. 1 is a schematic diagram of a pit furnace fast cooling air duct structure;
fig. 2 is a schematic diagram of an installation structure of a pit furnace fast cooling air duct structure.
Wherein: the air outlet pipe 1, the air duct 2, the furnace body 3, the butt flange 4, the heat preservation layer 5 and the connecting hole 6.
Detailed Description
The present utility model now will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown, by way of illustration only, and not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.
The utility model discloses a pit furnace fast cooling air duct structure, which is shown in fig. 1-2, and comprises an air outlet pipe 1, wherein one end of the air outlet pipe 1 is communicated with an air duct 2, the other end of the air outlet pipe is communicated with a furnace body 3, the air outlet pipe 1 is detachably and hermetically connected with the furnace body 3 through a butt flange 4, and the periphery of the air outlet pipe 1 is also provided with an insulating layer 5.
The air outlet pipe 1 is of an L-shaped structural design, a connecting hole 6 matched with the air outlet pipe 1 is formed in the air duct 2, one end of the air outlet pipe 1 extends into the connecting hole 6 and is in sealing welding with the connecting hole 6, the butt joint flange 4 is in sealing welding on the air outlet pipe 1, the heat preservation layer 5 extends to the upper portion of the butt joint flange 4, specifically, the heat preservation layer 4 is manufactured after the butt joint flange 4 is installed on site with a furnace body, and full coverage of the joint of the air outlet pipe 1 and the butt joint flange 4 is guaranteed.
Compared with the traditional mode of directly connecting the air duct and the furnace body, the structure of the pit furnace rapid air duct, disclosed by the utility model, has the advantages that the operation is more convenient, and the problem that the air duct and the furnace body are not completely sealed and welded due to insufficient operation space, so that a large amount of heat is lost due to leakage of hot air is avoided; through the design of the detachable connection of the butt flange and the furnace body, the butt flange can be transported separately from the furnace body during transportation, and is flexible and convenient; through the design of heat preservation, no longer need seal welding, the steam can not reveal yet, has effectively stopped the energy extravagant like this, brings a good production environment for the workshop.
In conclusion, the pit furnace fast cooling air duct structure provided by the utility model has the advantages of simple structure, stability, reliability, convenience in transportation, sealing effect guarantee, heat loss avoidance and the like, has great market value, and is worthy of wide popularization and application.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a pit furnace fast cold air duct structure, includes tuber pipe (1), its characterized in that: one end of the air outlet pipe (1) is communicated with the air duct (2), the other end of the air outlet pipe is communicated with the furnace body (3), the air outlet pipe (1) is detachably and hermetically connected with the furnace body (3) through the butt flange (4), and the periphery of the air outlet pipe (1) is also provided with the heat preservation layer (5).
2. The pit furnace fast cooling air duct structure according to claim 1, wherein: the air outlet pipe (1) is of an L-shaped structural design.
3. The pit furnace fast cooling air duct structure according to claim 1, wherein: the air duct (2) is provided with a connecting hole (6) matched with the air outlet pipe (1).
4. A pit furnace fast cooling air duct structure according to claim 3, wherein: one end of the air outlet pipe (1) extends into the connecting hole (6) and is welded with the connecting hole (6) in a sealing way.
5. The pit furnace fast cooling air duct structure according to claim 1, wherein: the butt flange (4) is welded on the air outlet pipe (1) in a sealing way.
6. The pit furnace fast cooling air duct structure according to claim 1, wherein: the heat preservation layer (5) extends to the upper part of the butt flange (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355875.4U CN219995922U (en) | 2023-05-31 | 2023-05-31 | Pit furnace fast cooling air duct structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321355875.4U CN219995922U (en) | 2023-05-31 | 2023-05-31 | Pit furnace fast cooling air duct structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219995922U true CN219995922U (en) | 2023-11-10 |
Family
ID=88609315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321355875.4U Active CN219995922U (en) | 2023-05-31 | 2023-05-31 | Pit furnace fast cooling air duct structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219995922U (en) |
-
2023
- 2023-05-31 CN CN202321355875.4U patent/CN219995922U/en active Active
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