CN113606957A - Monitoring equipment in high-temperature furnace - Google Patents
Monitoring equipment in high-temperature furnace Download PDFInfo
- Publication number
- CN113606957A CN113606957A CN202110880813.4A CN202110880813A CN113606957A CN 113606957 A CN113606957 A CN 113606957A CN 202110880813 A CN202110880813 A CN 202110880813A CN 113606957 A CN113606957 A CN 113606957A
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- Prior art keywords
- cooling
- cooling chamber
- layer
- shell
- temperature furnace
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/02—Observation or illuminating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/02—Observation or illuminating devices
- F27D2021/026—Observation or illuminating devices using a video installation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses monitoring equipment in a high-temperature furnace, which relates to the technical field of high-temperature monitoring equipment and comprises an inner-layer cavity, a shell and a high-temperature-resistant observation window, wherein camera equipment is fixedly arranged in the inner-layer cavity; the outer shell is sleeved outside the inner cavity, at least one cooling layer is arranged between the inner cavity and the outer shell, the cooling layer comprises an inner cooling chamber and an outer cooling chamber, the outer cooling chamber is sleeved outside the inner cooling chamber, the inner cooling chamber is communicated with the outer cooling chamber, the inner cooling chamber is provided with a cooling medium inlet, the outer cooling chamber is provided with a cooling medium outlet, and the cooling medium inlet and the cooling medium outlet are both communicated with the outside of the hearth; the high temperature resistant observation window is used for sealed setting on the shell, and camera equipment can be through the inside burning situation of high temperature resistant observation window monitoring furnace. The monitoring equipment in the high-temperature furnace provided by the invention can avoid dust from influencing imaging, and has good cooling effect and wide application range.
Description
Technical Field
The invention relates to the technical field of high-temperature monitoring equipment, in particular to monitoring equipment in a high-temperature furnace.
Background
In the prior art, camera shooting equipment is arranged in furnaces such as high-temperature furnaces, smelting furnace industrial furnaces and the likeAnd the high-temperature monitoring device for the furnace and the kiln is used for monitoring the melting of minerals and the working state of the furnace wall inside the hearth. For example, in a water-cooling air-sealing type high-temperature industrial television system disclosed in the patent with the publication number of CN201429337Y and a high-temperature industrial television device in a blast furnace disclosed in the patent with the publication number of CN100529107C, the two technical schemes both adopt water cooling of the outer sleeve, air cooling of the inner sleeve is adopted to cool the camera, the cooling effect is poor, and cold gas in the two schemes is discharged into the hearth through the camera, so that the temperature in the hearth is reduced, the combustion is insufficient, and the NO can be increasedXThe discharge is unfavorable for energy saving and emission reduction, and furnace when the total oxygen burning lets in air conditioning and can cause the gas composition to change, influences production, and the use of two kinds of devices of furnace when burning the total oxygen all has the restriction, and in addition, high temperature industry television device still has the inside dust of furnace and can get into in the sleeve pipe and disturb the problem of monitoring effect in the blast furnace.
Disclosure of Invention
The invention aims to provide monitoring equipment in a high-temperature furnace, which is used for solving the problems in the prior art, can avoid dust from influencing imaging, and has good cooling effect and wide application range.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a monitoring device in a high-temperature furnace, which comprises: the camera shooting device comprises an inner-layer cavity, a shell and a high-temperature resistant observation window, wherein camera shooting equipment is fixedly arranged in the inner-layer cavity; the outer shell is sleeved outside the inner cavity, at least one cooling layer is arranged between the inner cavity and the outer shell, the cooling layer comprises an inner cooling chamber and an outer cooling chamber, the outer cooling chamber is sleeved outside the inner cooling chamber, the inner cooling chamber is communicated with the outer cooling chamber, the inner cooling chamber is provided with a cooling medium inlet, the outer cooling chamber is provided with a cooling medium outlet, and the cooling medium inlet and the cooling medium outlet are both communicated with the outside of the hearth; the high-temperature-resistant observation window is used for being hermetically arranged on the shell, and the camera shooting equipment can monitor the combustion condition in the hearth through the high-temperature-resistant observation window.
Preferably, a heat insulation layer is arranged in the inner cavity, and the camera shooting equipment can be fixedly arranged in the heat insulation layer.
Preferably, a vacuum cavity is arranged between the high-temperature-resistant observation window and the inner layer cavity.
Preferably, two cooling layers are sequentially arranged between the inner layer cavity and the shell from inside to outside, the cooling layer positioned on the inner side is used for introducing liquid cooling media, and the cooling layer positioned on the outer side is used for introducing gas cooling media.
Preferably, the cooling layer has the backward flow mouth, the backward flow mouth is located inside the cooling layer, the inlayer cavity with the shell passes through the backward flow mouth intercommunication, the backward flow mouth is located the cooling layer is close to the one end of vacuum cavity.
Preferably, one end of the shell, which is far away from the high-temperature-resistant observation window, is fixedly provided with at least one fixing foot, and the shell can be fixed inside the hearth through the fixing feet.
Preferably, the camera shooting device further comprises a heat insulation wire harness pipeline, the heat insulation wire harness pipeline is communicated with the heat insulation layer, a circuit of the camera shooting device penetrates through the heat insulation wire harness pipeline, and the heat insulation wire harness pipeline is used for protecting the circuit.
Preferably, the shell, the inner cavity and the cooling layer are made of ceramic materials.
Preferably, the heat insulation layer and the heat insulation wire harness pipeline are both made of aluminum foil materials.
Preferably, the image pickup device is provided with an uncooled vanadium oxide microbolometer image pickup probe.
Compared with the prior art, the invention has the following technical effects:
the monitoring equipment in the high-temperature furnace provided by the invention has the advantages that the cooling layer comprises an inner cooling chamber positioned on the inner side and an outer cooling chamber positioned on the outer side, a cooling medium is introduced from the inner cooling chamber and discharged from the outer cooling chamber, the introduced low-temperature cooling medium is firstly contacted with the side wall of the inner cavity in the inner cooling chamber and exchanges heat with the inner cooling chamber, meanwhile, the outer cooling chamber on the outer side is contacted with the outer shell to absorb the temperature from the hearth, so that the camera equipment in the inner cavity is always at a lower working temperature, the cooling effect is good, the cooling medium is discharged out of the hearth through the cooling medium outlet, the combustion in the hearth is prevented from being influenced, the application range is wide, and meanwhile, the high-temperature-resistant observation window is hermetically arranged on the outer shell, so that dust can be prevented from entering the monitoring equipment in the high-temperature furnace to influence the imaging effect of the camera equipment. Therefore, the monitoring equipment in the high-temperature furnace provided by the invention can avoid dust from influencing imaging, and has good cooling effect and wide application range.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of a monitoring device in a high temperature furnace according to the present invention;
in the figure: 100-monitoring equipment in a high-temperature furnace; 1-inner cavity; 11-a thermally insulating layer; 12-a thermally insulated wire harness conduit; 2-a housing; 3-a cooling layer; 31-inner cooling chamber; 32-an outer cooling chamber; 33-cooling medium inlet; 34-outlet for cooling medium; 4-high temperature resistant observation window; 5-vacuum cavity; 6-a reflux port; 7-fixing the feet.
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 invention aims to provide monitoring equipment in a high-temperature furnace, which is used for solving the problems in the prior art, can avoid dust from influencing imaging, and has good cooling effect and wide application range.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The present invention provides a monitoring apparatus 100 in a high temperature furnace, as shown in fig. 1, in this embodiment, comprising: the camera shooting device comprises an inner-layer cavity 1, a shell 2 and a high-temperature resistant observation window 4, wherein camera shooting equipment is fixedly arranged inside the inner-layer cavity 1; the outer shell 2 is sleeved outside the inner cavity 1, at least one cooling layer 3 is sequentially arranged between the inner cavity 1 and the outer shell 2 from inside to outside, each cooling layer 3 comprises an inner cooling chamber 31 and an outer cooling chamber 32, the outer cooling chamber 32 is sleeved outside the inner cooling chamber 31, the inner cooling chamber 31 is communicated with the outer cooling chamber 32, the inner cooling chamber 31 is provided with a cooling medium inlet 33, the outer cooling chamber 32 is provided with a cooling medium outlet 34, and the cooling medium inlet 33 and the cooling medium outlet 34 are both communicated with the outside of the hearth; high temperature resistant observation window 4 is used for sealed the setting on shell 2, and camera equipment can be through the inside burning situation of high temperature resistant observation window 4 monitoring furnace.
The cooling layer 3 includes that the one deck is located inboard interior cooling chamber 31 and the one deck is located the outer cooling chamber 32 in the outside, cooling medium lets in by interior cooling chamber 31, discharge by outer cooling chamber 32, the cryogenic cooling medium that lets in at first contacts with inlayer cavity 1 lateral wall in the interior cooling chamber 31 that lies in the inboard, heat transfer is carried out with interior cooling chamber 31, the outer cooling chamber 32 and the shell contact in the outside simultaneously, absorb the temperature that comes from in the furnace, make the equipment of making a video recording be in lower operating temperature all the time in the inlayer cavity 1, the cooling effect is good, cooling medium discharges outside the furnace through cooling medium export 34, avoid influencing the inside burning of furnace, application scope is wide, the sealed high temperature resistant observation window 4 that is provided with on the shell 2 simultaneously, can avoid the dust to get into the inside monitoring facilities 100 in the high temperature furnace and influence the equipment imaging effect of making a video recording.
The thermal insulation layer 11 is arranged inside the inner cavity 1, and the camera shooting equipment can be fixedly arranged inside the thermal insulation layer 11, so that the working temperature of the camera shooting equipment is further reduced.
The vacuum cavity 5 is arranged between the high-temperature-resistant observation window 4 and the inner-layer cavity 1, the high-temperature-resistant observation window 4 is preferably made of a 4-material high-temperature-resistant glass material, can work in a high-temperature environment of 1200-1500 ℃ for a long time, is not easy to deform and soften, has a small thermal expansion coefficient, and only transmits heat in a thermal radiation mode in a vacuum environment, so that the heat transmitted to the camera equipment is further reduced.
Two cooling layers 3 are sequentially arranged between the inner cavity 1 and the shell 2 from inside to outside, the cooling layer 3 positioned on the inner side is used for introducing liquid cooling medium, the cooling layer 3 positioned on the outer side is used for introducing gas cooling medium, most of heat transmitted by the shell 2 can be absorbed by the gas cooling medium in the cooling layer 3 on the outer side, the low-temperature liquid cooling medium is contacted with the side wall of the inner cavity 1 in the inner cooling chamber 31 and exchanges heat with the inner cooling chamber 31, and the camera equipment is enabled to be always at a lower working temperature.
The cooling layer 3 has backward flow mouth 6, and backward flow mouth 6 is located inside the cooling layer 3, and inlayer cavity 1 and shell 2 pass through backward flow mouth 6 intercommunication, and backward flow mouth 6 is located the one end that the cooling layer 3 is close to vacuum cavity 5, can realize the increase and flow through the coolant flow of 5 lateral walls of vacuum cavity, coolant can absorb the heat in the vacuum cavity to reduce camera equipment camera shooting end and locate operating temperature, alleviate the condition that high temperature resistant observation window 4 is easily heated.
At least one fixing foot 7, preferably two fixing feet 7, is fixedly arranged at one end of the shell 2 far away from the high-temperature resistant observation window 4, and the shell 2 can be fixed inside the hearth through each fixing foot 7.
The monitoring equipment 100 in the high-temperature furnace further comprises a heat insulation wire harness pipeline 12, the heat insulation wire harness pipeline 12 is communicated with a heat insulation layer 11, a circuit of the camera equipment is arranged in the heat insulation wire harness pipeline 12 in a penetrating mode, and the heat insulation wire harness pipeline 12 is used for protecting the circuit, so that the circuit can work normally in a high-temperature environment.
The shell 2, the inner cavity 1 and the cooling layer 3 are made of ceramic materials so as to accelerate heat exchange.
The heat insulation layer 11 and the heat insulation wire harness pipeline 12 are made of aluminum foil materials so as to enhance the heat insulation performance.
The camera equipment is provided with the uncooled vanadium oxide microbolometer camera probe, the camera probe is small in size and clear in imaging, temperature measurement can be performed through the probe, the temperature measurement range is wide, the sensitivity is high, the temperature resolution is high, and the performance is stable.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. A monitoring device in a high-temperature furnace is characterized in that: the method comprises the following steps:
the inner cavity is internally and fixedly provided with camera equipment;
the outer shell is sleeved outside the inner cavity, at least one cooling layer is arranged between the inner cavity and the outer shell, the cooling layer comprises an inner cooling chamber and an outer cooling chamber, the outer cooling chamber is sleeved outside the inner cooling chamber, the inner cooling chamber is communicated with the outer cooling chamber, the inner cooling chamber is provided with a cooling medium inlet, the outer cooling chamber is provided with a cooling medium outlet, and the cooling medium inlet and the cooling medium outlet are both communicated with the outside of the hearth;
and the high-temperature-resistant observation window is used for being hermetically arranged on the shell, and the camera equipment can monitor the combustion condition in the hearth through the high-temperature-resistant observation window.
2. The monitoring apparatus in a high temperature furnace according to claim 1, wherein: the inner cavity is internally provided with a heat insulation layer, and the camera shooting equipment can be fixedly arranged in the heat insulation layer.
3. The monitoring apparatus in a high temperature furnace according to claim 1, wherein: and a vacuum cavity is arranged between the high-temperature-resistant observation window and the inner layer cavity.
4. The monitoring apparatus in a high temperature furnace according to claim 3, wherein: the inner cavity and the shell are sequentially provided with two cooling layers from inside to outside, the cooling layers are located on the inner side and used for introducing liquid cooling media, and the cooling layers on the outer side are used for introducing gas cooling media.
5. The monitoring apparatus in a high temperature furnace according to claim 4, wherein: the cooling layer has the backward flow mouth, the backward flow mouth is located inside the cooling layer, the inlayer cavity with the shell passes through the backward flow mouth intercommunication, the backward flow mouth is located the cooling layer is close to the one end of vacuum cavity.
6. The monitoring apparatus in a high temperature furnace according to claim 1, wherein: the one end that the shell kept away from high temperature resistant observation window is fixed and is provided with at least one fixed foot, through each fixed foot can with the shell is fixed in inside the furnace.
7. The monitoring apparatus in a high temperature furnace according to claim 2, wherein: still include thermal-insulated pencil pipeline, thermal-insulated pencil pipeline with the insulating layer is linked together, and camera equipment's circuit wears to locate in the thermal-insulated pencil pipeline, thermal-insulated pencil pipeline is used for protecting the circuit.
8. The monitoring apparatus in a high temperature furnace according to claim 1, wherein: the shell, the inner cavity and the cooling layer are all made of ceramic materials.
9. The monitoring apparatus in a high temperature furnace according to claim 4, wherein: the heat-insulating layer with thermal-insulated pencil pipeline is the aluminium foil material.
10. The monitoring apparatus in a high temperature furnace according to claim 1, wherein: the camera equipment is provided with an uncooled vanadium oxide microbolometer camera probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880813.4A CN113606957A (en) | 2021-08-02 | 2021-08-02 | Monitoring equipment in high-temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110880813.4A CN113606957A (en) | 2021-08-02 | 2021-08-02 | Monitoring equipment in high-temperature furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113606957A true CN113606957A (en) | 2021-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110880813.4A Withdrawn CN113606957A (en) | 2021-08-02 | 2021-08-02 | Monitoring equipment in high-temperature furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113606957A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7438721B2 (en) | 2019-11-14 | 2024-02-27 | 日鉄テックスエンジ株式会社 | Furnace monitoring device |
-
2021
- 2021-08-02 CN CN202110880813.4A patent/CN113606957A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7438721B2 (en) | 2019-11-14 | 2024-02-27 | 日鉄テックスエンジ株式会社 | Furnace monitoring device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211105 |