CN220871470U - Step furnace with air-cooled energy-saving ring beam - Google Patents
Step furnace with air-cooled energy-saving ring beam Download PDFInfo
- Publication number
- CN220871470U CN220871470U CN202322279004.5U CN202322279004U CN220871470U CN 220871470 U CN220871470 U CN 220871470U CN 202322279004 U CN202322279004 U CN 202322279004U CN 220871470 U CN220871470 U CN 220871470U
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- CN
- China
- Prior art keywords
- air
- ring beam
- furnace
- combustion
- furnace body
- 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.)
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- 238000011084 recovery Methods 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Furnace Details (AREA)
Abstract
The utility model relates to a stepping furnace with an air-cooled energy-saving ring beam, which comprises a furnace body and a combustion-supporting fan, wherein an air outlet of the combustion-supporting fan is connected to an air inlet of the furnace body; the ring beam does not need to additionally add bolts and ceramic fiber blanket materials, is convenient to install and construct, and improves the construction and installation operation rate of the furnace; the normal-temperature cold air is introduced into the ring beam for cooling, and the preheated hot air is sent to the inlet of the fan again at the other end of the ring beam, so that the temperature of the combustion-supporting air can be increased, and the energy-saving effect is achieved.
Description
Technical Field
The utility model relates to the technical field of heating furnaces, in particular to a stepping furnace with an air-cooled energy-saving ring beam.
Background
The walking beam furnace is a common heating furnace in industrial production, is mainly used for heat treatment and conveying workpieces, a ring beam is generally arranged in a furnace body structure of the walking beam furnace, the existing walking beam furnace ring beam generally adopts a channel steel structure, as shown in figure 3, the ring beam is easily subjected to thermal deformation due to the fact that the environment temperature of the ring beam of a high-temperature channel steel 2 structure reaches about 400 ℃, and therefore a ceramic fiber blanket 3 is required to be installed outside the ring beam for heat insulation to control the ring beam to be heated, but the structure is troublesome in construction, inconvenient to maintain and replace, and the using effect is general for a long walking bottom heating furnace with a furnace type.
Disclosure of Invention
The utility model aims to solve the problems of the prior art and provide a stepping furnace with an air-cooled energy-saving ring beam.
The specific scheme of the utility model is as follows: the stepping furnace with the air-cooled energy-saving ring beam comprises a furnace body and a combustion-supporting fan, wherein an air outlet of the combustion-supporting fan is connected to an air inlet of the furnace body, the furnace body comprises the ring beam, the ring beam is made of a hollow pipe, one end of the hollow pipe is connected with a cold air source, and the other end of the hollow pipe is connected to the air inlet of the combustion-supporting fan through a hot air recovery pipeline.
Furthermore, the hollow tube is a rectangular tube.
Further, the outer wall of the rectangular pipe is provided with a heat insulation layer, and the heat insulation layer is used for reducing heat received by the ring beam.
Further, an insulating layer is arranged on the outer wall of the hot air recovery pipeline.
The utility model has the following beneficial effects: the ring beam does not need to additionally add bolts and ceramic fiber blanket materials, so that the installation and construction are convenient, and the installation and operation rate of the furnace construction is improved; the normal-temperature cold air is introduced into the ring beam for cooling, and the preheated hot air is sent to the inlet of the fan again at the other end of the ring beam, so that the temperature of the combustion-supporting air can be increased, and the energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic view of a furnace body of the present utility model;
FIG. 2 is a schematic view of the connection of the ring beam and the combustion fan of the present utility model;
FIG. 3 is a schematic view of a prior art furnace body;
In the figure: 1. a rectangular tube; 2. channel steel; 3. a ceramic fiber blanket; 4. a hot air recovery pipeline; 5. a combustion fan; 6. an air inlet of the furnace body.
Detailed Description
Referring to fig. 1-2, the embodiment is a stepping furnace with an air-cooled energy-saving ring beam, comprising a furnace body and a combustion fan 5, wherein an air outlet of the combustion fan 5 is connected to an air inlet of the furnace body, the furnace body comprises a ring beam, the ring beam is made of a hollow pipe, one end of the hollow pipe is connected with a cold air source, and the other end of the hollow pipe is connected to the air inlet of the combustion fan 5 through a hot air recovery pipeline 4.
Further, the hollow tube adopts a rectangular tube 1.
Further, the outer wall of the rectangular pipe 1 is provided with a heat insulation layer, and the heat insulation layer is used for reducing heat received by the ring beam.
Further, an insulation layer is arranged on the outer wall of the hot air recovery pipeline 4.
The working principle of the utility model is as follows: connecting the inlet end of the rectangular pipe 1 pipe ring beam with a cold air pipeline to enable cold air to reduce expansion of the ring beam by cooling the ring beam, changing the cold air into preheating air after being heated by the ring beam, and sending the preheating air into the air inlet of the combustion-supporting fan 5 through the hot air recovery pipeline 4, so that the initial temperature of the combustion-supporting air of the combustion-supporting fan 5 is increased, and the energy consumption for heating the combustion-supporting air is reduced; the structure is not tight, so that the service life of the ring beam is ensured, and the problem of ring beam expansion is solved; meanwhile, the recycled preheated air is sent to the inlet of the fan again, so that the hot air temperature of the air preheater is improved, and the heat efficiency of the heating furnace is greatly improved.
Claims (4)
1. The utility model provides a step-by-step stove with energy-conserving collar tie beam of air-cooled, includes furnace body and combustion-supporting fan, and combustion-supporting fan's air outlet is connected to the air intake of furnace body, the furnace body includes collar tie beam, characterized by: the ring beam is made of a hollow pipe, one end of the hollow pipe is connected with a cold air source, and the other end of the hollow pipe is connected to an air inlet of the combustion fan through a hot air recovery pipeline.
2. The stepping furnace with air-cooled energy-saving ring beam according to claim 1, characterized in that: the hollow tube is rectangular.
3. The stepping furnace with air-cooled energy-saving ring beam according to claim 2, characterized in that: the outer wall of rectangular pipe is equipped with the insulating layer, and the insulating layer is used for reducing the heat that the girt received.
4. The stepping furnace with air-cooled energy-saving ring beam according to claim 1, characterized in that: an insulating layer is arranged on the outer wall of the hot air recovery pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279004.5U CN220871470U (en) | 2023-08-24 | 2023-08-24 | Step furnace with air-cooled energy-saving ring beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322279004.5U CN220871470U (en) | 2023-08-24 | 2023-08-24 | Step furnace with air-cooled energy-saving ring beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871470U true CN220871470U (en) | 2024-04-30 |
Family
ID=90821984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322279004.5U Active CN220871470U (en) | 2023-08-24 | 2023-08-24 | Step furnace with air-cooled energy-saving ring beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871470U (en) |
-
2023
- 2023-08-24 CN CN202322279004.5U patent/CN220871470U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |