CN221036725U - Through continuous energy-saving heating furnace - Google Patents
Through continuous energy-saving heating furnace Download PDFInfo
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- CN221036725U CN221036725U CN202322975998.4U CN202322975998U CN221036725U CN 221036725 U CN221036725 U CN 221036725U CN 202322975998 U CN202322975998 U CN 202322975998U CN 221036725 U CN221036725 U CN 221036725U
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- heat
- heat exchanger
- heating furnace
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- continuous energy
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 38
- 239000000779 smoke Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000005496 tempering Methods 0.000 claims abstract description 8
- 238000002485 combustion reaction Methods 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229920000742 Cotton Polymers 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003546 flue gas Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Tunnel Furnaces (AREA)
Abstract
The utility model relates to a through continuous energy-saving heating furnace, which comprises a furnace body, wherein a material channel is arranged in the furnace body, a preheating zone and a heating zone are sequentially arranged in the direction from a feed port to a discharge port of the material channel, a smoke exhaust pipe is arranged at one end, close to the feed port, in the preheating zone, a heat exchanger is arranged in the preheating zone, a plurality of burners are arranged in the heating zone, and the heat exchanger is used for recovering heat of flue gas and preheating combustion air entering the burners; the outer end of the smoke exhaust pipe is divided into two branch pipes, one branch pipe is connected to the low-temperature tempering furnace through a conveying pipeline, and the other branch pipe is connected to a chimney; the utility model adopts various measures to improve the energy-saving effect.
Description
Technical Field
The utility model relates to the technical field of heating furnaces, in particular to a through continuous energy-saving heating furnace.
Background
At present, the conventional heating furnace for billets has the following problems in the production process: the smoke exhaust temperature is higher, and certain heat is taken away, so that the heat efficiency is low; the excess air coefficient is large, the chemical components are not completely combusted, and the heat loss is large; the higher the temperature of the furnace wall, the larger the heat dissipation loss is, and the lower the heat efficiency is; the flue gas can not be utilized, the heat loss is large, and the production cost is high.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a through continuous energy-saving heating furnace.
The specific scheme of the utility model is as follows: the continuous energy-saving heating furnace comprises a furnace body, wherein a material channel is arranged in the furnace body, a preheating zone and a heating zone are sequentially arranged in the direction from a feed port to a discharge port of the material channel, a smoke exhaust pipe is arranged at one end, close to the feed port, in the preheating zone, a heat exchanger is arranged in the preheating zone, a plurality of burners are arranged in the heating zone, and the heat exchanger is used for recovering heat of flue gas and preheating combustion air entering the burners; the outer end of the smoke exhaust pipe is divided into two branch pipes, one branch pipe is connected to the low-temperature tempering furnace through a conveying pipeline, and the other branch pipe is connected to a chimney.
Further, a heat equalizing area is arranged between the rear end of the heating area and the discharge port, and a plurality of heat compensating burners are arranged in the heat equalizing area.
Further, the height of the material channel of the preheating zone is 1/4-1/3 of the height of the material channel of the heating zone.
Further, a movable steel structure heat preservation module is arranged above the material channel of the preheating zone, the steel structure heat preservation module comprises a steel structure bracket, and ceramic fiber refractory materials are filled in the steel structure bracket.
Further, the heat exchanger adopts a tube type heat exchanger, the tube type heat exchanger is provided with a cold air inlet, a hot air outlet, a smoke inlet and a smoke outlet, the smoke outlet is connected to the smoke exhaust pipe, and the hot air outlet is connected to each burner through a pipeline.
Further, a movable cotton cover is arranged at the top of the shell and tube heat exchanger, and gaps around the cotton cover and the heat exchanger are sealed by cotton blankets.
Further, a thermocouple is arranged in the heat equalizing area and is electrically connected with the complementary heat burner.
Further, the outer wall of the furnace body is provided with an insulating layer, and the inner wall of the furnace body is coated with high-temperature-resistant ceramic nano paint.
The utility model has the following beneficial effects: the tail smoke exhaust gas is communicated and comprehensively utilized, so that the heat efficiency of the heating furnace is improved, the energy consumption is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a view A-A of FIG. 1;
In the figure: 1. a feed inlet; 2. a heat exchanger; 3. a smoke exhaust pipe; 31. a branch pipe A; 32. a branch pipe B; 4. a steel structure heat preservation module; 5. a material passage; 6. a burner; 7. supplementary heating burner; 8. a discharge port; 9. a low-temperature tempering furnace.
Detailed Description
Referring to fig. 1-2, the embodiment is a through continuous energy-saving heating furnace, comprising a furnace body, wherein a material channel 5 is arranged in the furnace body, a preheating zone and a heating zone are sequentially arranged from a feed port 1 to a discharge port 8 of the material channel 5, a smoke exhaust pipe 3 is arranged at one end, close to the feed port 1, in the preheating zone, a heat exchanger 2 is arranged in the preheating zone, a plurality of burners 6 are arranged in the heating zone, and the heat exchanger 2 is used for recovering heat of flue gas and preheating combustion air entering the burners 6; the outer end of the smoke exhaust pipe 3 is divided into two branch pipes, one branch pipe A31 is connected to the low-temperature tempering furnace 9 through a conveying pipeline, and the other branch pipe B32 is connected to a chimney.
In order to not occupy the passageway, the branch pipe B32 penetrates into the ground and extends to the low-temperature tempering furnace 9, then penetrates upwards from one side of the low-temperature tempering furnace 9, and finally is connected with a flue gas input pipeline of the low-temperature tempering furnace 9.
Further, a heat equalizing zone is arranged between the rear end of the heating zone and the discharge port 8, a plurality of heat compensating burners 7 are arranged in the heat equalizing zone, thermocouples are arranged in the heat equalizing zone, and the thermocouples are electrically connected with the heat compensating burners 7; when the temperature of the heat equalizing area is lower than the set temperature, the control system controls the heat compensating burner 7 to automatically start the big and small fire combustion and automatically compensate the temperature.
Further, the height of the material channel 5 of the preheating zone is 1/4-1/3 of the height of the material channel of the heating zone; through fully pushing down the material passageway 5 height of preheating zone, utilize the trend of flue gas to make the flue gas push down to pass through from the work piece surface, firstly can be effectual and the temperature of more direct utilization flue gas's heat preheating work piece, secondly make the work piece in operation even heated work piece can be better avoid work piece overburning that the short rapid heating of work piece heating time leads to, lead to surface oxidation burn rate improvement, reduce the too slow phenomenon such as being in stove time of heating rate. The workpiece after uniform preheating can be heated by entering the heating zone again, so that the heating speed can be improved.
Further, a movable steel structure heat preservation module 4 is arranged above the material channel 5 of the preheating zone, the steel structure heat preservation module 4 comprises a steel structure bracket, and ceramic fiber refractory materials are filled in the steel structure bracket; the ceramic fiber is an excellent refractory material, has the advantages of light weight, high temperature resistance, small heat capacity, low heat conductivity, good heat preservation and insulation performance and the like, effectively reduces the furnace top temperature, avoids heat loss and reduces energy consumption.
Further, the heat exchanger 2 adopts a tube type heat exchanger 2, the tube type heat exchanger 2 is provided with a cold air inlet, a hot air outlet, a flue gas inlet and a flue gas outlet, the flue gas outlet is connected to the smoke exhaust pipe 3, and the hot air outlet is connected to each burner 6 through a pipeline; after heat transfer and replacement with cold air temperature in the tube nest type heater tube, the heat efficiency is improved by 1% when the temperature of waste flue gas is reduced by 35 ℃.
Further, a movable cotton cover is arranged at the top of the shell and tube heat exchanger 2, and gaps around the cotton cover and the heat exchanger 2 are sealed by cotton blankets; the purpose of this arrangement is: considering that dust with a certain thickness can be adhered to the tube array of the heat exchanger 2 after a period of use and greatly influence the preheating effect of flue gas, the design of the movable cover top can facilitate the lifting of the cover top to clean accumulated dust.
Further, the outer wall of the furnace body is provided with an insulating layer, and the temperature of the outer wall of the furnace is reduced by 15 percent so as to achieve the energy-saving effect; the inner wall of the furnace body is coated with a layer of high-temperature-resistant ceramic nano paint, which can indirectly prevent flame, enhance the weather-resistant heat insulation and heat resistance and corrosion resistance effects.
Claims (8)
1. The utility model provides a link up energy-conserving heating furnace of continuous type, includes the furnace body, is equipped with the material passageway in the furnace body, is equipped with preheating zone, heating zone, characterized by from the feed inlet of material passageway to discharge gate direction in proper order: a smoke exhaust pipe is arranged at one end, close to a feed inlet, in the preheating zone, a heat exchanger is arranged in the preheating zone, a plurality of burners are arranged in the heating zone, and the heat exchanger is used for recovering heat of smoke and preheating combustion air entering the burners; the outer end of the smoke exhaust pipe is divided into two branch pipes, one branch pipe is connected to the low-temperature tempering furnace through a conveying pipeline, and the other branch pipe is connected to a chimney.
2. The through-continuous energy-saving heating furnace according to claim 1, characterized in that: a heat equalizing area is arranged between the rear end of the heating area and the discharge port, and a plurality of heat compensating burners are arranged in the heat equalizing area.
3. The through-continuous energy-saving heating furnace according to claim 1, characterized in that: the height of the material channel of the preheating zone is 1/4-1/3 of the height of the material channel of the heating zone.
4. The through-continuous energy-saving heating furnace according to claim 1, characterized in that: the movable steel structure heat preservation module is arranged above the material channel of the preheating zone and comprises a steel structure bracket, and ceramic fiber refractory materials are filled in the steel structure bracket.
5. The through-continuous energy-saving heating furnace according to claim 1, characterized in that: the heat exchanger adopts a tube type heat exchanger, the tube type heat exchanger is provided with a cold air inlet, a hot air outlet, a smoke inlet and a smoke outlet, the smoke outlet is connected to the smoke exhaust pipe, and the hot air outlet is connected to each burner through a pipeline.
6. The through-continuous energy-saving heating furnace according to claim 5, characterized in that: the top of the shell and tube heat exchanger is provided with a movable cotton cover, and gaps around the cotton cover and the heat exchanger are sealed by cotton blankets.
7. A through-going continuous energy saving heating furnace as claimed in claim 2, characterized in that: and a thermocouple is arranged in the heat equalizing area and is electrically connected with the complementary heat burner.
8. The through-continuous energy-saving heating furnace according to claim 1, characterized in that: the outer wall of the furnace body is provided with an insulating layer, and the inner wall of the furnace body is coated with high-temperature-resistant ceramic nano paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975998.4U CN221036725U (en) | 2023-11-03 | 2023-11-03 | Through continuous energy-saving heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322975998.4U CN221036725U (en) | 2023-11-03 | 2023-11-03 | Through continuous energy-saving heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221036725U true CN221036725U (en) | 2024-05-28 |
Family
ID=91178007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322975998.4U Active CN221036725U (en) | 2023-11-03 | 2023-11-03 | Through continuous energy-saving heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221036725U (en) |
-
2023
- 2023-11-03 CN CN202322975998.4U patent/CN221036725U/en active Active
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