CN210596229U - Furnace bottom plate for carburizing furnace - Google Patents
Furnace bottom plate for carburizing furnace Download PDFInfo
- Publication number
- CN210596229U CN210596229U CN201920978548.1U CN201920978548U CN210596229U CN 210596229 U CN210596229 U CN 210596229U CN 201920978548 U CN201920978548 U CN 201920978548U CN 210596229 U CN210596229 U CN 210596229U
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- CN
- China
- Prior art keywords
- plate
- honeycomb
- supporting seat
- heat
- steel plate
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- 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.)
- Expired - Fee Related
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- 238000005255 carburizing Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000005266 casting Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000010963 304 stainless steel Substances 0.000 claims description 4
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 abstract description 3
- 239000011435 rock Substances 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses a furnace bottom plate for a carburizing furnace, which comprises a honeycomb plate, a supporting seat, a heat-resistant steel plate and a steel plate ring; the honeycomb plate is in a honeycomb type, and the honeycomb plate and the heat-resistant steel plate are welded together; the cylindrical honeycomb plate with the matched shape and position and the supporting seat with the casting material are combined in a welding mode; the supporting seat is formed by enclosing a heat-resistant steel plate, and a steel plate ring is fixedly arranged outside the honeycomb plate. The supporting seat is internally provided with a casting material. The steel plate ring is circular. The honeycomb plate is of a honeycomb type, a bottom plate is arranged at the position where the honeycomb plate is connected with the supporting seat, and the bottom plate is formed by integral casting. The support that the preparation of heat-resisting steel sheet was formed is connected through the welding mode with the honeycomb panel that makes to pour refractory material in inside and consolidate, after placing the work piece, along with the work piece is undulant, rocks along with making a round trip of honeycomb panel, the problem of rocking can be solved to the supporting seat of then equipartition.
Description
Technical Field
The utility model relates to the technical equipment field of gas carburizing furnaces, in particular to a furnace bottom plate for a carburizing furnace.
Background
With the advancement of technology and process equipment, aerospace products place greater demands on surface carburization for final size heat treatment of steel parts. HB/Z343-2001 "Heat treatment with controlled Nitrogen-based atmosphere" stipulates that the depth of a decarburized layer of the aviation commonly used structural steel after the heat treatment with nitrogen-based atmosphere protection is not higher than 0.075mm, and the phenomena of recarburization and nitrogenization are not allowed.
In the prior art, a common heat-resistant steel furnace bottom plate can realize the processing supporting function, but the heat treatment defects such as thermal expansion softening deformation and the like exist due to long-time work in a hearth.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problem that the existing common heat-resistant steel furnace bottom plate can realize the processing supporting function, but the heat treatment defects such as thermal expansion softening deformation and the like exist due to long-time work in a hearth, the furnace bottom plate for the carburizing furnace is provided.
In order to achieve the above object, the utility model provides a following technical scheme: a furnace bottom plate for a carburizing furnace comprises a honeycomb plate, a supporting seat, a heat-resistant steel plate and a steel plate ring; the honeycomb plate is in a honeycomb type, and the honeycomb plate and the heat-resistant steel plate are welded together; the cylindrical honeycomb plate with the matched shape and position and the supporting seat with the casting material are combined in a welding mode; the supporting seat is formed by enclosing a heat-resistant steel plate, and a steel plate ring is fixedly arranged outside the honeycomb plate. The honeycomb plate casting device is formed by combining a cylindrical honeycomb plate with matched shape and position and a supporting seat with casting materials in a welding mode; the honeycomb plate has the characteristics of high strength and no pollution, and accords with the modern environmental protection trend; the supporting seat is provided with refractory castable, so that the internal supporting force can be increased, the supporting strength can be ensured by heat insulation, and the problems of inclination and the like can be solved.
Preferably, the casting material is arranged in the supporting seat. Both the honeycomb plate and the supporting seat have high strength and deformation resistance; the honeycomb plate is of a honeycomb structure, so that the problem of large base occupation ratio is greatly improved while materials are saved; the supporting seat solves the problems of deformation and dry cracking of common casting materials at high temperature through the refractory casting materials, and is wrapped by 304 stainless steel through the package, so that the situation that the supporting seat is further softened and deformed due to thermal expansion generated by high temperature in the using process is prevented.
Preferably, the steel plate ring is circular.
Preferably, the cellular board is of a honeycomb type, a bottom plate is arranged at the position where the cellular board is connected with the supporting seat, and the bottom plate is formed by integral casting. The high-temperature resistance of the honeycomb plate is far higher than that of the conventional integrally cast bottom plate, and the honeycomb plate saves a great deal of material in the manufacturing process and simultaneously has increased bearing capacity; the castable is high-density high-temperature-resistant castable, so that the service life of the bottom plate is prolonged, and replacement is facilitated. The bottom plate is convenient to disassemble, can be lifted out and then replaced, solves the problem of manpower and material resources caused by integral replacement in the prior art, reduces the replacement time, and can be replaced by oneself, so that the bottom plate can be quickly put into work.
Preferably, the honeycomb plate and the heat-resistant steel plate are both made of high-temperature-resistant materials, and the heat-resistant steel plate is made of 304 stainless steel.
Preferably, the supporting seats are four groups, and the four groups of supporting seats are uniformly distributed below the honeycomb plate. The problem of the replacement that the whole casting caused and was difficult in transport in the past is improved.
Compared with the prior art, the beneficial effects of the utility model are that: the support that the preparation of heat-resisting steel sheet was formed is connected through the welding mode with the honeycomb panel that makes to pour refractory material in inside and consolidate, after placing the work piece, along with the work piece is undulant, rocks along with making a round trip of honeycomb panel, the problem of rocking can be solved to the supporting seat of then equipartition.
Drawings
FIG. 1 is a front view of a furnace bottom plate for a novel carburizing furnace;
FIG. 2 is a top view of a furnace bottom plate for a novel carburizing furnace;
fig. 3 is a front view of a honeycomb plate of a furnace bottom plate for a novel carburizing furnace.
In the figure: the honeycomb plate comprises a honeycomb plate 1, a supporting seat 2, a heat-resistant steel plate 3, a steel plate ring 4 and a bottom plate 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a hearth plate for a carburizing furnace comprises a honeycomb plate 1, a support base 2, a heat-resistant steel plate 3 and a steel plate ring 4; the honeycomb plate 1 is in a honeycomb type, and the honeycomb plate 1 and the heat-resistant steel plate 3 are welded together; the cylindrical honeycomb plate 1 matched with the shape and the position and the supporting seat 2 with casting materials are combined in a welding mode; the supporting seat 2 is enclosed by a heat-resistant steel plate 3, and a steel plate ring 4 is fixedly arranged outside the honeycomb plate 1.
Furthermore, a casting material is arranged inside the supporting seat 2.
Further, the steel plate ring 4 is circular.
Further, the honeycomb plate 1 is of a honeycomb type, a bottom plate 5 is arranged at a position where the honeycomb plate 1 is connected with the supporting seat 2, and the bottom plate 5 is formed by integral casting.
Further, the honeycomb panel 1 and the heat-resistant steel plate 3 are both made of high-temperature-resistant materials, and the heat-resistant steel plate 3 is made of 304 stainless steel.
Further, the supporting seats 2 are four groups, and the four groups of supporting seats 2 are uniformly distributed below the honeycomb plate 1.
The working principle is as follows: and connecting the manufactured honeycomb plate 1 with a support 2 manufactured by a heat-resistant steel plate 3 in a welding mode, and pouring a refractory material in the support for reinforcement. After placing the work piece, along with the work piece is undulant, rocks along with making a round trip of honeycomb panel 1, then the problem of rocking can be solved to the supporting seat 2 of equipartition.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A furnace bottom plate for a carburizing furnace is characterized by comprising a honeycomb plate (1), a supporting seat (2), a heat-resistant steel plate (3) and a steel plate ring (4); the honeycomb plate (1) is in a honeycomb type, and the honeycomb plate (1) and the heat-resistant steel plate (3) are welded together; the cylindrical honeycomb plate (1) matched in shape and position and the supporting seat (2) with the casting material are combined in a welding mode; the supporting seat (2) is formed by enclosing a heat-resistant steel plate (3), and a steel plate ring (4) is fixedly arranged outside the honeycomb plate (1).
2. The hearth plate for a carburizing furnace according to claim 1, characterized in that a castable is provided inside said supporting seat (2).
3. The hearth plate for a carburizing furnace according to claim 1, characterized in that said steel plate ring (4) is circular.
4. The hearth plate for a carburizing furnace according to claim 1, characterized in that a bottom plate (5) is provided at a position where the honeycomb plate (1) is connected to the support base (2), and the bottom plate (5) is formed by integral casting.
5. The hearth plate for a carburizing furnace according to claim 1, characterized in that: the honeycomb plate (1) and the heat-resistant steel plate (3) are both made of high-temperature-resistant materials, and the heat-resistant steel plate (3) is made of 304 stainless steel.
6. The hearth plate for a carburizing furnace according to claim 1, characterized in that: the supporting seats (2) are four groups, and the four groups of supporting seats (2) are uniformly distributed below the honeycomb plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978548.1U CN210596229U (en) | 2019-06-27 | 2019-06-27 | Furnace bottom plate for carburizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920978548.1U CN210596229U (en) | 2019-06-27 | 2019-06-27 | Furnace bottom plate for carburizing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210596229U true CN210596229U (en) | 2020-05-22 |
Family
ID=70719245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920978548.1U Expired - Fee Related CN210596229U (en) | 2019-06-27 | 2019-06-27 | Furnace bottom plate for carburizing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210596229U (en) |
-
2019
- 2019-06-27 CN CN201920978548.1U patent/CN210596229U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |