CN220356039U - Energy-saving device for cupola furnace - Google Patents
Energy-saving device for cupola furnace Download PDFInfo
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- CN220356039U CN220356039U CN202321080694.5U CN202321080694U CN220356039U CN 220356039 U CN220356039 U CN 220356039U CN 202321080694 U CN202321080694 U CN 202321080694U CN 220356039 U CN220356039 U CN 220356039U
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- cupola
- air
- blower
- waste gas
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- 239000002912 waste gas Substances 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 33
- 239000011490 mineral wool Substances 0.000 claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000002844 melting Methods 0.000 claims abstract description 5
- 230000008018 melting Effects 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 2
- 239000002351 wastewater Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000007711 solidification Methods 0.000 description 8
- 230000008023 solidification Effects 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007499 fusion processing Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012784 inorganic fiber Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to the technical field of rock wool board production equipment, in particular to an energy-saving device for a cupola, which comprises: a cupola for melting the rock wool board material; further comprises: the heat exchange furnace is connected with the cupola furnace and is used for carrying out heat exchange with waste gas generated in the production process of the cupola furnace; the air supply assembly comprises a first air blower, a second air blower and a turbine, and the turbine can drive the second air blower by utilizing waste gas of the heat exchange furnace; the curing furnace is connected with the air supply assembly and can utilize waste gas to provide heat for curing the rock wool board; and the boiler is connected with the curing furnace. According to the utility model, by arranging the turbine, the exhaust gas passing through the heat exchange furnace can be used as power, the transmission shaft drives the second air blower to serve as the cupola for supplying air, and meanwhile, the suction force generated by the second air blower can be transmitted to the heat exchange furnace, so that the air inlet of the heat exchange furnace is promoted, the use of electric quantity is reduced, and the energy consumption is further reduced.
Description
Technical Field
The disclosure relates to the technical field of rock wool board production equipment, in particular to an energy-saving device for a cupola.
Background
The rock wool board is also called rock wool heat-insulating decorative board, is an inorganic fiber board which is made from basalt by high-temperature fusion processing, and after being processed into artificial inorganic fibers by high-temperature fusion processing, the rock wool board has the characteristics of light weight, small heat conductivity coefficient, heat absorption and incombustibility, so that the rock wool board is a common application material in buildings and is widely used in industrial buildings, and a cupola furnace is common production equipment in rock wool board production. In the existing rock wool board production line, the tail gas treatment mode of the cupola generally comprises the steps that the tail gas of the cupola enters a combustion chamber for combustion, then enters a heat exchanger for heating air entering the cupola, then enters a multi-tube cooler for cooling, enters a bag-type dust remover for filtering dust, and finally is exhausted through a draught fan and a chimney.
Ore melting cupola furnace for rock wool board production that application number is CN201620107539.1 provided includes: the curing furnace comprises a curing oven, a first combustion chamber, a first-stage heat exchanger, a second-stage heat exchanger, a cloth bag dust collector and a multi-tube water cooler, wherein the first combustion chamber, the first-stage heat exchanger, the second-stage heat exchanger, the multi-tube water cooler and the cloth bag dust collector are sequentially connected in series, an air outlet of the first-stage heat exchanger is connected with an air inlet of the cupola, and an air outlet of the second-stage heat exchanger is communicated with each second combustion chamber of the curing oven.
The device solves the problem of secondary utilization of heat in the tail gas of the cupola furnace, solves the problem of automatic air distribution, ensures the working stability of the burner, does not need to additionally increase a fan and reduces the energy consumption, but the air inlet of the cupola furnace and the heat exchange furnace still needs the fan to supply air, and the electricity consumption exists in the cupola furnace and the heat exchange furnace.
Disclosure of Invention
In view of the above-described drawbacks or shortcomings of the prior art, it is desirable to provide an energy saving device for a cupola furnace.
In a first aspect, the present application provides an energy saving device for a cupola furnace, comprising:
a cupola for melting the rock wool board material;
the heat exchange furnace is connected with the cupola furnace and is used for exchanging heat with waste gas generated in the production process of the cupola furnace and heating fresh air;
an air supply assembly including a first blower, a second blower, and a turbine that can drive the second blower with exhaust gas passing through the heat exchanger;
the curing furnace is connected with the air supply assembly and can utilize waste gas to provide heat for curing the rock wool board;
and the boiler is connected with the curing furnace and is used for carrying out heat exchange on the waste gas and water so as to further reduce the temperature of the gas.
According to the technical scheme that this application embodiment provided, the cupola furnace includes the cupola furnace body, cupola furnace body front side bottom is equipped with first air intake, first air intake is connected with first forced draught blower, cupola furnace body left side bottom is equipped with the second air intake, the second air intake is connected with the second forced draught blower, cupola furnace body top is equipped with the waste gas mouth, the waste gas mouth is connected with the heat transfer stove.
According to the technical scheme that this application embodiment provided, the heat transfer stove includes the heat transfer stove furnace body, heat transfer stove furnace body bottom is equipped with the waste gas air inlet, the waste gas air inlet is connected with the exhaust gas mouth, heat transfer stove furnace body top is equipped with the waste gas export, the waste gas export is connected with the turbine, heat transfer stove furnace body left side top is equipped with hot-blast export, hot-blast export is connected with the second forced draught blower.
According to the technical scheme that this application embodiment provided, first forced draught blower is equipped with the supply-air outlet, supply-air outlet and first air intake connection, the second forced draught blower is equipped with hot-air supply-air outlet, hot-air supply-air outlet and second air intake connection.
According to the technical scheme that this application embodiment provided, through establishing the transmission shaft and connecting between second forced draught blower and the turbine, the second forced draught blower is equipped with hot-air inlet, hot-air inlet and hot-air exit linkage, the turbine is equipped with waste gas inlet, waste gas inlet and waste gas exit linkage, the turbine still is equipped with the secondary air outlet, the secondary air outlet is connected with the curing oven.
According to the technical scheme that this application embodiment provided, the curing oven includes the hot-blast main, the hot-blast main is connected with the secondary air outlet, the hot-blast main is connected with a plurality of tee bend that mix, it is connected with the curing oven furnace body to mix the tee bend, the hot-blast main tail end is equipped with temperature-sensing detector, it is connected with the tuber pipe that adjusts the temperature to mix the tee bend.
According to the technical scheme provided by the embodiment of the application, the tail end of the curing furnace body is provided with the curing waste gas port, and the curing waste gas port is connected with the boiler and used for sending the waste gas of the curing rock wool board into the boiler.
To sum up, this technical scheme specifically discloses through setting up the turbine, can utilize the waste gas that the heat transfer stove burns the production as power, drive the cupola air supply of second air feeder through the transmission shaft, the suction that the work of second air feeder produced can be transmitted to the heat transfer stove simultaneously, promotes the heat transfer stove air inlet, has reduced the use of electric quantity, has further reduced the energy consumption.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is an overall construction diagram of the present utility model.
FIG. 2 is a diagram showing the construction of a cupola furnace and a heat exchanger furnace according to the present utility model.
FIG. 3 is a block diagram of an air supply assembly according to the present utility model.
FIG. 4 is a schematic diagram of a curing oven according to the present utility model.
Fig. 5 is a structural view of a boiler according to the present utility model.
Reference numerals in the drawings: 1. a cupola furnace; 11. a cupola body; 12. a first air inlet; 13. a second air inlet; 14. a waste gas port; 2. a heat exchange furnace; 21. a heat exchange furnace body; 22. an exhaust gas inlet; 23. a new wind gap; 24. a hot air outlet; 25. an exhaust gas outlet; 3. an air supply assembly; 31. a first blower; 32. an air supply port; 33. a second blower; 34. a turbine; 35. a transmission shaft; 36. a hot air inlet; 37. a hot air supply port; 38. an exhaust gas inlet; 39. a secondary air outlet; 4. a curing oven; 41. a hot air pipe; 42. mixing tee joint; 43. solidifying the furnace body; 44. a temperature sensing detector; 45. a temperature-adjusting air pipe; 46. solidifying the waste gas port; 5. a boiler; 51. a boiler body; 52. a curing exhaust gas inlet; 53. and an exhaust port.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1 to 5, an energy saving device for a cupola furnace, comprises:
the cupola furnace 1, the cupola furnace 1 is used for melting rock wool board raw materials, the cupola furnace 1 comprises a cupola furnace body 11, a first air inlet 12 is welded at the bottom of the front side of the cupola furnace body 11, a second air inlet 13 is welded at the bottom of the left side of the cupola furnace body 11, and a waste air port 14 is welded at the top of the cupola furnace body 11.
The heat exchange furnace 2, heat exchange furnace 2 is connected with cupola 1 for carry out the heat transfer with the waste gas that produces in the production process of cupola 1, to fresh air heating, waste gas port 14 is connected with heat exchange furnace 2, and heat exchange furnace 2 includes heat exchange furnace body 21, and heat exchange furnace body 21 bottom welding has waste gas air inlet 22, and waste gas air inlet 22 passes through pipe connection with waste gas port 14, heat exchange furnace body 21 top welding waste gas export 25, waste gas air inlet 22 and waste gas export 25 pipe connection, and heat exchange furnace body 21 left side top is equipped with hot air outlet 24.
The bottom of the left side of the heat exchange furnace body 21 is welded with a fresh air port 23, waste gas of the cupola furnace 1 enters the heat exchange furnace body 21 from a waste gas inlet 22, heat exchange is carried out between the waste gas and fresh air in the heat exchange furnace body 21, and cold air enters the heat exchange furnace body 21 from the fresh air port 23 to absorb heat of the waste gas, so that the waste gas is changed into hot air, the hot air is discharged from a hot air outlet 24, and the air entering from the fresh air port 23 cannot be mixed with the waste gas.
The air supply assembly 3, the air supply assembly 3 includes a first blower 31, a second blower 33 and a turbine 34, the turbine 34 can drive the second blower 33 by using the exhaust gas output from the exhaust gas outlet 25 of the heat exchange furnace 2, the first air inlet 12 is connected with the first blower 31, the second air inlet 13 is connected with the second blower 33, the first blower 31 is provided with an air supply opening 32, the air supply opening 32 is connected with the first air inlet 12 through a pipeline, the second blower 33 is provided with a hot air supply opening 37, the hot air supply opening 37 is connected with the second air inlet 13 through a pipeline, the exhaust gas outlet 25 is connected with the turbine 34, the hot air outlet 24 is connected with the second blower 33, the second blower 33 is provided with a hot air inlet 36, the hot air inlet 36 is connected with the hot air outlet 24 through a pipeline, the turbine 34 is provided with an exhaust gas inlet 38, the exhaust gas inlet 38 is connected with the exhaust gas outlet 25 through a pipeline, the turbine 34 is further provided with a secondary air outlet 39, and the secondary air outlet 39 is connected with the curing furnace 4.
Waste gas in the heat exchange furnace body 21 can enter the turbine 34 from the waste gas inlet 38, so that blades of the turbine 34 are driven to rotate, the blades of the turbine 34 are driven to rotate through the transmission shaft 35, negative pressure is formed at the hot air inlet 36 by the rotation of the blades of the second air blower 33, the negative pressure is transmitted to the hot air outlet 24 through a pipeline, heated air is pumped out of the heat exchange furnace body 21, the pumped hot air can enter the cupola furnace body 11 from the hot air supply port 37, the hot air is pumped out to form negative pressure at the fresh air port 23, and external cold air is sucked into the heat exchange furnace body 21.
The curing oven 4, curing oven 4 is connected with air supply subassembly 3, and usable waste gas provides heat for rock wool board solidification, and curing oven 4 includes hot-blast main 41, and hot-blast main 41 passes through the pipeline to be connected with secondary air outlet 39, and hot-blast main 41 welded connection has a plurality of mixed tee bend 42, and mixed tee bend 42 and curing oven furnace body 43 welded connection, and temperature-sensing detector 44 is installed in the tail end penetration of hot-blast main 41, and mixed tee bend 42 welded connection has temperature-regulating tuber pipe 45, and curing oven furnace body 43 tail end is equipped with solidification waste gas mouth 46.
When the temperature-sensing detector 44 detects that the air temperature in the hot air pipe 41 is insufficient, high-temperature air is injected from the temperature-adjusting air pipe 45, the temperature of mixed gas is increased, and when the temperature-sensing detector 44 detects that the air temperature in the hot air pipe 41 is too high, normal-temperature air is injected from the temperature-adjusting air pipe 45, so that the internal temperature of the curing furnace body 43 is constant, and the curing effect is ensured.
The temperature-adjusting air pipe 45 is respectively connected with external air heating equipment and an air compressor through pipelines, an air source is controlled through an electromagnetic valve, when high-temperature air is needed, air is injected from the air heating equipment, and when normal-temperature air is needed, air is conveyed by the air compressor.
The boiler 5, boiler 5 is connected with curing oven 4 for carry out the heat exchange with the waste gas and the water of solidification rock wool board, further reduce the temperature of gas, solidification waste gas port 46 is connected with boiler 5 and is used for sending into boiler 5 with the waste gas of solidification rock wool board, and boiler 5 includes boiler body 51, and boiler body 51 right side top welding has solidification waste gas import 52, and solidification waste gas import 52 passes through the pipeline to be connected with solidification waste gas port 46, and boiler body 51 left side bottom welding has gas vent 53.
The waste gas in the curing oven body 43 is discharged from the curing waste gas port 46, enters the boiler body 51 from the curing waste gas inlet 52, exchanges heat with water in the boiler body 51, is discharged from the exhaust port 53, the exhaust port 53 is connected with external waste gas treatment equipment, and hot water generated by the boiler 5 can be used as domestic water for staff.
It should be noted that when the cupola 1 is opened for the first time, the heat exchanger 2 is not fully driven by the turbine 34 because no exhaust gas is present in the heat exchanger, and therefore the second blower 33 cannot supply air to the cupola 1, and at this time, the first blower 31 needs to be used to supply air to the cupola 1, and when the amount of exhaust gas is sufficient, the first blower 31 can be stopped and the second blower 33 can be used to supply air completely.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (7)
1. An energy saving device for a cupola furnace, comprising:
a cupola (1), wherein the cupola (1) is used for melting rock wool board raw materials;
the heat exchange furnace (2) is connected with the cupola furnace (1) and is used for exchanging heat with waste gas generated in the production process of the cupola furnace (1) and heating fresh air;
an air supply assembly (3), the air supply assembly (3) comprising a first blower (31), a second blower (33) and a turbine (34), the turbine (34) being operable to drive the second blower (33) with exhaust gas passing through the heat exchanger (2);
the curing furnace (4) is connected with the air supply assembly (3) and can utilize waste gas to provide heat for curing the rock wool board;
and the boiler (5) is connected with the curing furnace (4) and is used for carrying out heat exchange on the waste gas and water so as to further reduce the temperature of the gas.
2. The energy-saving device for the cupola furnace according to claim 1, wherein the cupola furnace (1) comprises a cupola furnace body (11), a first air inlet (12) is formed in the bottom of the front side of the cupola furnace body (11), the first air inlet (12) is connected with a first air blower (31), a second air inlet (13) is formed in the bottom of the left side of the cupola furnace body (11), the second air inlet (13) is connected with a second air blower (33), a waste gas port (14) is formed in the top of the cupola furnace body (11), and the waste gas port (14) is connected with the heat exchange furnace (2).
3. An energy saving device for a cupola furnace according to claim 2, wherein the heat exchanging furnace (2) comprises a heat exchanging furnace body (21), an exhaust gas inlet (22) is arranged at the bottom of the heat exchanging furnace body (21), the exhaust gas inlet (22) is connected with an exhaust gas port (14), an exhaust gas outlet (25) is arranged at the top of the heat exchanging furnace body (21), the exhaust gas outlet (25) is connected with a turbine (34), a hot air outlet (24) is arranged at the top of the left side of the heat exchanging furnace body (21), and the hot air outlet (24) is connected with a second blower (33).
4. The energy saving device for a cupola furnace according to claim 2, wherein the first blower (31) is provided with a blower opening (32), the blower opening (32) is connected with the first air inlet (12), the second blower (33) is provided with a hot air blower opening (37), and the hot air blower opening (37) is connected with the second air inlet (13).
5. A cupola furnace energy saving device according to claim 3, characterized in that the second blower (33) is connected with the turbine (34) by a transmission shaft (35), the second blower (33) is provided with a hot air inlet (36), the hot air inlet (36) is connected with the hot air outlet (24), the turbine (34) is provided with an exhaust gas inlet (38), the exhaust gas inlet (38) is connected with the exhaust gas outlet (25), the turbine (34) is further provided with a secondary air outlet (39), and the secondary air outlet (39) is connected with the curing oven (4).
6. The energy-saving device for a cupola furnace according to claim 5, wherein the curing furnace (4) comprises a hot air pipe (41), the hot air pipe (41) is connected with a secondary air outlet (39), the hot air pipe (41) is connected with a plurality of mixing tee joints (42), the mixing tee joints (42) are connected with a curing furnace body (43), a temperature sensing detector (44) is arranged at the tail end of the hot air pipe (41), and the mixing tee joints (42) are connected with a temperature adjusting air pipe (45).
7. The energy-saving device for cupola furnace according to claim 6, wherein the tail end of the solidifying furnace body (43) is provided with a solidifying exhaust port (46), and the solidifying exhaust port (46) is connected with the boiler (5) for feeding the exhaust gas of the solidifying rock wool board into the boiler (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080694.5U CN220356039U (en) | 2023-05-08 | 2023-05-08 | Energy-saving device for cupola furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321080694.5U CN220356039U (en) | 2023-05-08 | 2023-05-08 | Energy-saving device for cupola furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220356039U true CN220356039U (en) | 2024-01-16 |
Family
ID=89503018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321080694.5U Active CN220356039U (en) | 2023-05-08 | 2023-05-08 | Energy-saving device for cupola furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220356039U (en) |
-
2023
- 2023-05-08 CN CN202321080694.5U patent/CN220356039U/en active Active
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