CN216790858U - Low-carbon heat accumulating type crucible-free gas holding furnace - Google Patents
Low-carbon heat accumulating type crucible-free gas holding furnace Download PDFInfo
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- CN216790858U CN216790858U CN202123365366.3U CN202123365366U CN216790858U CN 216790858 U CN216790858 U CN 216790858U CN 202123365366 U CN202123365366 U CN 202123365366U CN 216790858 U CN216790858 U CN 216790858U
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Abstract
The utility model relates to a low-carbon heat accumulating type crucible-free gas heat preservation furnace which comprises a shell, wherein the bottom of the shell is fixedly connected with a supporting seat, the top of the shell is connected with a heat preservation cover through a hinge, the heat preservation cover is connected with a cylinder through a connecting plate, and a first cavity, a second cavity and a third cavity are formed in the shell; the heat-preservation cover is provided with a blower, a thermocouple, a burner and a heat exchanger, one end of the heat exchanger is connected with a smoke exhaust pipe, and a filter pad and a flow deflector are sequentially arranged in a pipeline connected with the burner of the heat exchanger. The utility model realizes heat exchange between hot flue gas and air blown by the blower by using the heat exchanger, and absorbs impurities in the hot air and the quick flow of the hot air by arranging the filter pad and the flow deflector in the pipeline connected with the burner by the heat exchanger, thereby finally realizing the secondary utilization of the hot flue gas and achieving the effect of saving energy by 15-20%.
Description
Technical Field
The utility model relates to a holding furnace, in particular to a low-carbon heat accumulating type crucible-free gas holding furnace.
Background
The crucible furnace is the simplest smelting equipment and is mainly used for melting nonferrous metals with low melting points, such as copper, aluminum and alloys thereof, the alloys are melted in the crucible, heat is transferred to furnace materials through the crucible, combustion products in the furnace materials are not in direct contact, but the crucible type heat preservation furnace has small internal capacity, simultaneously, heat energy generated during working is discharged along with flue gas, the temperature of the flue gas is usually more than 500 ℃, and the waste heat of the flue gas directly discharged into the air is not utilized, so that environmental pollution is caused, and the crucible furnace is not in line with social calls for energy conservation and emission reduction.
Disclosure of Invention
The utility model aims to design a low-carbon heat accumulating type crucible-free gas heat preservation furnace aiming at the defects of insufficient equipment in the prior art, which can solve the defect of small internal capacity of the traditional heat preservation furnace, recycles redundant heat generated when a furnace body works through equipment such as a heat exchanger, a filter pad, a flow deflector and the like, and simultaneously achieves the optimal combustion-supporting temperature through fully mixing air and gas after heat exchange, thereby achieving the purposes of reducing the consumption of fuel and saving energy and reducing emission.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a low carbon heat accumulation formula does not have crucible gas heat preservation stove, includes the shell, the bottom of shell is provided with the supporting seat, and the top of shell rotates through the hinge to be connected with the heat preservation cover, heat preservation cover right side fixed mounting has the connecting plate, the connecting plate other end is connected with the cylinder, and heat preservation cover top center is provided with the nozzle, and heat exchanger are provided with the heat exchanger and are located the nozzle at the back, and the inside of shell is equipped with first cavity, second cavity, third cavity.
Preferably, the top of the heat-insulating cover is provided with an air blower, a burner and a thermocouple, the heat-insulating cover is internally provided with a heat exchanger, one end of the heat exchanger is connected with a flue in the furnace body, the other end of the heat exchanger is connected with a smoke exhaust pipe, and partition plates are arranged between the first cavity and the second cavity and between the second cavity and the third cavity.
Preferably, a heat insulation material is arranged on the inner wall of the shell, and a casting material is arranged outside the heat insulation material.
Preferably, the heat-insulating cover is internally provided with a heat-insulating material, and the periphery of the burner is provided with a pouring material.
Preferably, the top of the first cavity is provided with a feeding port, and the top of the third cavity is provided with a material taking port.
Preferably, the lower part of the right side of the heat exchanger is connected with the air blower through a pipeline, the upper part of the right side of the heat exchanger is connected with the burner through a pipeline, and the pipeline is sequentially provided with a filter pad and a flow deflector.
Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes heat exchange between hot flue gas and air blown by the blower by using the heat exchanger, and absorbs impurities in the hot air and the quick flow of the hot air by arranging the filter pad and the flow deflector in the pipeline connected with the burner by the heat exchanger, thereby finally realizing the secondary utilization of the hot flue gas and achieving the effect of saving energy by 15-20%.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a top view of the present invention.
FIG. 4 is a sectional view of the furnace body in the present invention.
FIG. 5 is a cross-sectional view of a burner in a heat shield according to the present invention.
FIG. 6 is a view showing the connection of the heat exchanger of the present invention to the pipes of the blower and burner.
Reference numerals: 1. a housing; 2. a supporting seat; 3. a blower; 4. burning a nozzle; 5. a heat exchanger; 6. a smoke exhaust pipe; 7. a protective cover; 8. a material taking port; 9. a feeding port; 10. a thermocouple; 11. a thermal insulation material; 12. pouring a material; 13. a first cavity; 14. a second cavity; 15. a third cavity; 16. a partition plate; 17. a connecting plate; 18. a cylinder; 19. a pipeline; 20. a filter pad; 21. and a flow deflector.
Detailed Description
The following examples are given in conjunction with the accompanying drawings to further illustrate the present invention.
Referring to fig. 1-6, in the embodiment of the utility model, a low-carbon heat accumulating type crucible-free gas holding furnace is provided, a heat insulating cover 7 is arranged on the top of a shell 1, a blower 3 is arranged on the top of the heat insulating cover 7, a burner 4, a thermocouple 10 and a heat exchanger 5 are fixedly arranged on the heat insulating cover 7, a connecting plate 17 is arranged on the right side of the heat insulating cover 7, a cylinder 18 is connected to the other end of the connecting plate 17, a heat insulating material 11 is arranged on the inner wall of the shell 1, a castable 12 is arranged outside the heat insulating material 11, the castable 12 forms a first cavity 13, a second cavity 14 and a third cavity 15 in the furnace, a feeding port 9 is arranged on the top of the first cavity 13, a material taking port 8 is arranged on the top of the third cavity 15, the problem of small inner space when a crucible is arranged in the furnace is solved, the lower right side of the heat exchanger 5 is connected with the blower 3 through a pipeline 19, the upper side of the heat exchanger 5 is connected with the burner 4 through a pipeline 19, the pipeline 19 is sequentially provided with a filter pad 20 and a flow deflector 21, the filter pad 20 absorbs impurities in the hot air, and the flow deflector 21 is used to enable the hot air to flow rapidly.
Referring to fig. 2 and 5, the heat exchanger 5 is communicated with a flue in the furnace body, the heat exchanger 5 is connected with the blower 3 through a pipeline, an air outlet of the heat exchanger 5 is connected with the burner 4 on the heat-insulating cover 7 through a pipeline 19, and a flue gas outlet of the heat exchanger 5 is communicated with the smoke exhaust pipe 6, so that energy recycling is realized.
Referring to fig. 4, the first cavity 13 and the second cavity 14 are separated from each other by a partition 16, and the second cavity 14 and the third cavity 15 are separated from each other by a partition 16.
The working principle is as follows: the air blower 3 is turned on, cold air is introduced into the burner 4 through the pipeline 19, natural gas is introduced into the burner 4 at the same time, the burner 4 is ignited, flame is sprayed out from the bottom of the burner 4, hot flue gas generated in the furnace enters the heat exchanger 5 to be continuously absorbed, the heat storage function is achieved, after a period of time, the pipeline 19 where the air blower 3 is communicated with the burner 4 is closed, the pipeline 19 where the air blower 3 is communicated with the heat exchanger 5 is opened, the hot flue gas and the cold air complete heat exchange in the heat exchanger 5, the cooled flue gas enters the smoke exhaust pipe 6 to be discharged after the heat exchange, impurities of the hot air after the heat exchange are continuously absorbed through the filter pad 20 inside the pipeline 19, the air flow accelerates when passing through the flow deflector 20 inside the pipeline 19, and finally enters the burner 4 to be subjected to secondary combustion.
Claims (6)
1. A low-carbon heat accumulating type crucible-free gas holding furnace comprises a shell (1); the method is characterized in that: the bottom of shell (1) is provided with supporting seat (2), and the top of shell (1) is connected with heat preservation cover (7) through the hinge rotation, heat preservation cover (7) right side fixed mounting has connecting plate (17), the connecting plate (17) other end is connected with cylinder (18), and heat preservation cover (7) top central authorities are provided with nozzle (4), and heat preservation cover (7) top is provided with heat exchanger (5) and heat exchanger (5) are located nozzle (4) at the back, and the inside of shell (1) is equipped with first cavity (13), second cavity (14), third cavity (15).
2. The low-carbon heat accumulating type crucible-free gas holding furnace of claim 1, wherein: the top of the heat-insulating cover (7) is provided with an air blower (3), a burner (4) and a thermocouple (10), a heat exchanger (5) is arranged inside the heat-insulating cover (7), one end of the heat exchanger (5) is connected with a flue in the furnace body, the other end of the heat exchanger is connected with a smoke exhaust pipe (6), and partition plates (16) are arranged between the first cavity (13) and the second cavity (14) and between the second cavity (14) and the third cavity (15).
3. The low-carbon heat accumulating type crucible-free gas holding furnace of claim 1, wherein: the heat insulation material (11) is arranged on the inner wall of the shell (1), and the castable (12) is arranged outside the heat insulation material (11).
4. The low-carbon heat accumulating type crucible-free gas holding furnace of claim 1, wherein: and a heat insulation material (11) is arranged in the heat insulation cover (7), and a castable (12) is arranged around the burner (4).
5. The low-carbon heat accumulating type crucible-free gas holding furnace of claim 1, wherein: the top of first cavity (13) is equipped with pan feeding mouth (9), the top of third cavity (15) is equipped with material taking mouth (8).
6. The low-carbon heat accumulating type crucible-free gas holding furnace of claim 1, wherein: the lower part of the right side of the heat exchanger (5) is connected with the air blower (3) through a pipeline (19), the upper part of the right side of the heat exchanger (5) is connected with the burner (4) through the pipeline (19), and a filter pad (20) and a flow deflector (21) are sequentially arranged on the pipeline (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123365366.3U CN216790858U (en) | 2021-12-30 | 2021-12-30 | Low-carbon heat accumulating type crucible-free gas holding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123365366.3U CN216790858U (en) | 2021-12-30 | 2021-12-30 | Low-carbon heat accumulating type crucible-free gas holding furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216790858U true CN216790858U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123365366.3U Active CN216790858U (en) | 2021-12-30 | 2021-12-30 | Low-carbon heat accumulating type crucible-free gas holding furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216790858U (en) |
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2021
- 2021-12-30 CN CN202123365366.3U patent/CN216790858U/en active Active
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