CN212299937U - Furnace top structure of heating furnace - Google Patents
Furnace top structure of heating furnace Download PDFInfo
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- CN212299937U CN212299937U CN202020903089.3U CN202020903089U CN212299937U CN 212299937 U CN212299937 U CN 212299937U CN 202020903089 U CN202020903089 U CN 202020903089U CN 212299937 U CN212299937 U CN 212299937U
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Abstract
The utility model provides a furnace roof structure of heating furnace, including furnace roof structure, furnace roof structure includes the inner shell, the heat-absorbing pipe, the insulating layer, shell and alumina filling layer, the inner shell bottom is equipped with heating furnace body, heating furnace body's top fixed connection inner shell bottom, the heat-absorbing pipe is helical structure, the intraductal flowing water that is equipped with of heat-absorbing, the heat-absorbing pipe is inserted on the surface of inner shell, shell detachably connects the inner shell, the shell is hollow structure, the inner shell all sets up in the hollow structure of shell with the heat-absorbing pipe, there is the space between shell internal surface and the inner shell surface, insulating layer and alumina filling layer all set up in the space, shell internal surface fixed connection insulating layer, the alumina filling layer sets up between insulating layer and inner shell surface with filling, the alumina filling layer is used for wrapping up the heat-absorbing pipe completely: low heat conduction efficiency, unstable air pressure and inconvenient installation and maintenance.
Description
Technical Field
The utility model belongs to the heating furnace field, concretely relates to furnace roof structure of heating furnace.
Background
In the metallurgical industry, a heating furnace is a device (industrial furnace) for heating materials or workpieces (generally metal) to a forging temperature, and a furnace top structure in the prior art generally needs to recover waste heat of flue gas, but the prior art has low recovery efficiency, for example, in the application document with the application number of CN201821312605.4, a heat absorption pipeline of the heating furnace is in line-surface contact with a high-temperature resistant metal plate for sealing, the heat conduction efficiency is low, and the flow rate of flue gas is reduced due to a wind shield and a wind shield sheet, so that the pressure in the heating furnace is easy to be unstable, and the waste gas is refluxed, the pressure stability and the combustion efficiency are affected, and the whole device is divided into a multilayer structure, the connection relationship between the multilayer structures is complex, and the installation and maintenance are inconvenient, and in conclusion, the prior art has the following: low heat conduction efficiency, unstable air pressure and inconvenient installation and maintenance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a furnace roof structure of heating furnace for solve the technical problem who exists among the prior art, if: low heat conduction efficiency, unstable air pressure and inconvenient installation and maintenance.
In order to achieve the above object, the utility model adopts the following technical scheme:
the furnace top structure of the heating furnace comprises a furnace top structure, wherein the furnace top structure comprises an inner shell, a heat absorption pipe, a heat insulation layer, an outer shell and an alumina filling layer, the bottom of the inner shell is provided with a heating furnace body, the top of the heating furnace body is fixedly connected with the bottom of the inner shell, the heating furnace body is provided with a cavity with an opening, the opening of the cavity is vertically upward, the inner shell is of a hollow structure, the hollow structure of the inner shell is mutually communicated with the cavity, the heat absorption pipe is of a spiral structure, flowing water is arranged in the heat absorption pipe, the heat absorption pipe is inserted on the outer surface of the inner shell, the outer shell is detachably connected with the inner shell, the outer shell is of a hollow structure, the inner shell and the heat absorption pipe are both arranged in the hollow structure of the outer shell, a gap exists between the inner surface of the outer shell and, the inner surface of the outer shell is fixedly connected with the heat insulation layer, the alumina filling layer is arranged between the heat insulation layer and the outer surface of the inner shell in a filling mode, and the alumina filling layer is used for completely wrapping and covering the heat absorption pipe.
Further, the bottom of the inner shell is in threaded connection with the bottom of the outer shell through a plurality of screws.
Further, the furnace top structure is a gourd-shaped structure, and one side of the gourd-shaped structure, with a larger end face, is fixedly connected with the top of the heating furnace body.
The furnace roof structure is characterized by further comprising a top cover, wherein the top cover is arranged on the side with the smaller end surface of the furnace roof structure, and the top cover is in threaded connection with the inner shell and the outer shell through a plurality of screws.
Furthermore, a water inlet is formed in the top of the heat absorption pipe, the water inlet is vertically arranged, the top of the water inlet penetrates through the top cover, a water outlet is formed in the bottom of the heat absorption pipe, and the water outlet is vertically arranged, and the top of the water outlet penetrates through the shell and the heat insulation layer.
Further, the water inlet is connected with a water pump, and the water pump is used for pushing water from the water inlet to the water outlet to form flowing water.
Further, the heat insulation layer is made of high-temperature-resistant heat insulation cotton materials.
Further, the inner shell is made of a high-temperature-resistant metal material.
The utility model has the advantages that:
(1) this novel furnace roof structure of heating furnace is provided with aluminium oxide filling layer and heat-absorbing pipe, wraps up the heat-absorbing pipe through the aluminium oxide filling layer, so when aluminium oxide filling layer temperature rose, can transmit the surface of heat to the heat-absorbing pipe fast, makes the line face contact become the face contact, has reached the beneficial effect who improves heat absorption efficiency.
(2) This novel furnace roof structure of heating furnace is provided with the heat-absorbing pipe, through built-in heat-absorbing pipe, has played the effect that does not shelter from the flue gas, and this internal atmospheric pressure of heating furnace is not influenced, but also has the effect that the protection heat-absorbing pipe surface is not corroded by the flue gas, has reached the beneficial effect of protection atmospheric pressure temperature.
(3) This novel furnace roof structure of heating furnace is provided with shell, inner shell and top cap, inserts on the inner shell through the heat absorption pipe, and the shell is in the outside of heat absorption pipe to the bottom threaded connection of shell and inner shell, top cap threaded connection inner shell and shell top have reached the beneficial effect of the safety maintenance of being convenient for.
Drawings
Fig. 1 is a schematic view of the overall structure of a furnace top structure of a heating furnace of the present invention.
Fig. 2 is a schematic plan view of a furnace top structure of the heating furnace of the present invention.
Fig. 3 is a schematic view of a heating pipe of a furnace top structure of the heating furnace of the present invention.
Fig. 4 is a schematic diagram of an inner shell of a furnace top structure of the heating furnace of the present invention.
In the figure, 1-a heating furnace body, 2-an outer shell, 3-a heat insulation layer, 4-an inner shell, 5-an outer shell, 6-a water inlet, 7-a water outlet, 8-a heat absorption pipe and 9-an alumina filling layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 of the present invention, and it should be apparent 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.
In order to solve the problems existing in the prior art: the technical problem of low heat conduction efficiency and unstable air pressure is solved by providing a furnace top structure of a heating furnace, which comprises the furnace top structure, wherein the furnace top structure comprises an inner shell 4, a heat absorbing pipe 8, a heat insulating layer 3, an outer shell 2 and an alumina filling layer 9, the bottom of the inner shell 4 is provided with a heating furnace body 1, the top of the heating furnace body 1 is fixedly connected with the bottom of the inner shell 4, the heating furnace body 1 is provided with a cavity with an opening, the opening of the cavity is vertically upward, the inner shell 4 is of a hollow structure, the hollow structure of the inner shell 4 is mutually communicated with the cavity, the heat absorbing pipe 8 is of a spiral structure, flowing water is arranged in the heat absorbing pipe 8, the heat absorbing pipe 8 is inserted on the outer surface of the inner shell 4, the outer shell 2 is detachably connected with the inner shell 4, the outer shell 2 is of a hollow structure, and the, a gap is formed between the inner surface of the outer shell 2 and the outer surface of the inner shell 4, the heat insulation layer 3 and the alumina filling layer 9 are both arranged in the gap, the inner surface of the outer shell 2 is fixedly connected with the heat insulation layer 3, the alumina filling layer 9 is arranged between the heat insulation layer 3 and the outer surface of the inner shell 4 in a filling manner, and the alumina filling layer 9 is used for completely wrapping and covering the heat absorption pipe 8.
As shown in fig. 1 and 3, the spiral heat absorbing pipe 8 is disposed between the heat insulating layer 3 and the inner shell 4, and the alumina filling layer 9 is filled between the heat insulating layer 3 and the inner shell 4, the high-temperature flue gas generated in the heating furnace body 1 is firstly transferred onto the inner shell 4 and then transferred into the alumina filling layer 9, the alumina filling layer 9 is a powder or solid alumina filler, and since the alumina has high thermal conduction efficiency and the heat absorbing pipe 8 is wrapped by the alumina, the alumina filling layer 9 can rapidly transfer heat to the outer surface of the heat absorbing pipe 8 while the temperature is increased. Compare the line face contact between heat absorption water pipe among the prior art and the metal sheet, this device wraps up heat absorption pipe 8 completely through aluminium oxide filling layer 9, heat conduction area has been improved, make the line face contact become the face contact, the beneficial effect of improving heat absorption efficiency has been reached, furthermore, insulating layer 3 still has insulating layer 3 with aluminium oxide filling layer 9, insulating layer 3 can be fine block the heat and spill over, make heat absorption efficiency further improve, and the high temperature cigarette that produces among the heating furnace body 1 directly discharges from the hollow structure of inner shell 4, through built-in heat absorption pipe 8, the effect of not sheltering from the flue gas has been played, atmospheric pressure in the heating furnace body 1 is not influenced, and still have the effect that 8 surfaces of protection heat absorption pipe are not corroded by the flue gas, the beneficial effect of protection atmospheric pressure temperature has been reached.
In the actual operation process, because the furnace roof structure comprises a four-layer structure, the technical problem of inconvenience exists in installation and maintenance, and in order to solve the technical problem, the bottom of the inner shell 4 is in threaded connection with the bottom of the outer shell 2 through a plurality of screws. Further, the furnace top structure is a gourd-shaped structure, and one side of the gourd-shaped structure, with a larger end face, is fixedly connected with the top of the heating furnace body 1. Further, the furnace roof structure comprises a top cover 5, wherein the top cover 5 is arranged on the side with the smaller end face of the furnace roof structure, and the top cover 5 is in threaded connection with the inner shell 4 and the outer shell 2 through a plurality of screws.
As shown in fig. 1, the top cover 5 is in threaded connection with the inner shell 4 and the outer shell 2, the top cover 5 fixes the top of the furnace roof structure and plays a role of covering the alumina filling layer 9, the bottom of the inner shell 4 is also in threaded connection with the bottom of the outer shell 2, so when the furnace roof structure is installed, the heat absorption pipe 8 can be inserted on the inner shell 4, then the outer shell 2 is buckled on the outer side of the heat absorption pipe 8, the top cover is in threaded connection with the bottom of the outer shell 2 and the bottom of the inner shell 4, the alumina filling layer 9 is filled after the fixation, and finally the top cover 5 is in threaded connection with the inner shell 4 and the outer shell 2, so that the beneficial effect of.
In addition, when in actual use, water in the heat absorption pipe 8 needs to flow to achieve the effect of absorbing heat, so further, a water inlet 6 is arranged at the top of the heat absorption pipe 8, the water inlet 6 is vertically arranged, the top of the water inlet 6 penetrates through the top cover 5, a water outlet 7 is arranged at the bottom of the heat absorption pipe 8, and the water outlet 7 is vertically arranged, and the top of the water outlet 7 penetrates through the shell 2 and the heat insulation layer 3. Further, the water inlet 6 is connected with a water pump, the water pump is used for pushing water from the water inlet 6 to the water outlet 7 to form flowing water, and the water pump plays a role in driving water circulation.
Furthermore, the heat insulation layer 3 is made of high-temperature-resistant heat insulation cotton material, and plays a role in heat preservation and heat insulation.
Furthermore, the inner shell 4 is made of a high-temperature-resistant metal material, so that the purpose of improving the heat conduction efficiency is achieved.
Furthermore, the water pump is current conventional technology, and this technical field personnel of its erection joint mode can realize completely, the utility model discloses do not relate to so no longer give unnecessary details to the transformation of water pump.
In the description of the present invention, it should be understood that the terms "counterclockwise", "clockwise", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Claims (8)
1. The furnace top structure of the heating furnace is characterized by comprising a furnace top structure, wherein the furnace top structure comprises an inner shell (4), a heat absorption pipe (8), a heat insulation layer (3), an outer shell (2) and an alumina filling layer (9), the bottom of the inner shell (4) is provided with a heating furnace body (1), the top of the heating furnace body (1) is fixedly connected with the bottom of the inner shell (4), the heating furnace body (1) is provided with a cavity with an opening, the opening of the cavity is vertically upward, the inner shell (4) is of a hollow structure, the hollow structure of the inner shell (4) is mutually communicated with the cavity, the heat absorption pipe (8) is of a spiral structure, flowing water is arranged in the heat absorption pipe (8), the heat absorption pipe (8) is inserted on the outer surface of the inner shell (4), and the outer shell (2) is detachably connected with the inner shell (, the outer shell (2) is of a hollow structure, the inner shell (4) and the heat absorption pipe (8) are arranged in the hollow structure of the outer shell (2), a gap exists between the inner surface of the outer shell (2) and the outer surface of the inner shell (4), the heat insulation layer (3) and the alumina filling layer (9) are arranged in the gap, the inner surface of the outer shell (2) is fixedly connected with the heat insulation layer (3), the alumina filling layer (9) is arranged between the heat insulation layer (3) and the outer surface of the inner shell (4) in a filling mode, and the alumina filling layer (9) is used for completely wrapping and covering the heat absorption pipe (8).
2. The roof structure of a heating furnace according to claim 1, wherein the bottom of said inner shell (4) is screw-connected to the bottom of said outer shell (2) by a plurality of screws.
3. The roof structure of a heating furnace according to claim 1, wherein the roof structure is a gourd-shaped structure, and one side of the gourd-shaped structure with a larger end surface is fixedly connected with the top of the heating furnace body (1).
4. The roof structure of a heating furnace according to claim 3, further comprising a top cover (5), wherein the top cover (5) is arranged on the side of the roof structure with the smaller end surface, and the top cover (5) is in threaded connection with the inner shell (4) and the outer shell (2) through a plurality of screws.
5. The furnace roof structure of the heating furnace according to claim 4, wherein the top of the heat absorbing pipe (8) is provided with a water inlet (6), the water inlet (6) is vertically arranged, the top of the heat absorbing pipe penetrates through the top cover (5), the bottom of the heat absorbing pipe (8) is provided with a water outlet (7), and the top of the heat absorbing pipe penetrates through the outer shell (2) and the heat insulating layer (3).
6. A furnace roof structure according to claim 5, characterised in that a water pump is connected to the inlet (6) for pushing water from the inlet (6) to the outlet (7) to form flowing water.
7. The roof structure of a heating furnace according to claim 1, wherein said heat insulating layer (3) is made of a high temperature resistant heat insulating cotton material.
8. The roof structure of a heating furnace according to claim 1, wherein said inner shell (4) is a refractory metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903089.3U CN212299937U (en) | 2020-05-25 | 2020-05-25 | Furnace top structure of heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020903089.3U CN212299937U (en) | 2020-05-25 | 2020-05-25 | Furnace top structure of heating furnace |
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| CN212299937U true CN212299937U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020903089.3U Active CN212299937U (en) | 2020-05-25 | 2020-05-25 | Furnace top structure of heating furnace |
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| CN (1) | CN212299937U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597380A (en) * | 2022-08-29 | 2023-01-13 | 江苏博涛智能热工股份有限公司（Cn） | Furnace roof structure |
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2020
- 2020-05-25 CN CN202020903089.3U patent/CN212299937U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115597380A (en) * | 2022-08-29 | 2023-01-13 | 江苏博涛智能热工股份有限公司（Cn） | Furnace roof structure |
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