CN217560100U - Hot-blast furnace with anti expansion function - Google Patents
Hot-blast furnace with anti expansion function Download PDFInfo
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- CN217560100U CN217560100U CN202123051387.8U CN202123051387U CN217560100U CN 217560100 U CN217560100 U CN 217560100U CN 202123051387 U CN202123051387 U CN 202123051387U CN 217560100 U CN217560100 U CN 217560100U
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Abstract
The utility model discloses a hot-blast furnace with anti expansion function, including the furnace body, furnace body one end is the burner port, and the other end is the hot-medium export the outside coaxial spiral duct that is equipped with of furnace body, spiral duct one end is the inlet end, and the other end is the exhaust end, and the air aspirator is connected to the exhaust end, just spiral duct's inlet end sets up in the hot-medium export one end of furnace body, and spiral duct's direction of admitting air is opposite with furnace body hot-medium discharge direction, the air aspirator then goes into the burner port through the pipe connection. The utility model has simple structure and convenient production and manufacture, adopts air to cool the furnace body, effectively reduces the temperature of the furnace body, relieves the heat effect, improves the high temperature resistance, solves the problem of easy deformation, reduces the destructiveness of high temperature to the furnace body, and prolongs the service life; and secondly, heated air exhausted by the spiral air pipe is introduced into the furnace body, so that the heat loss of the heated air is reduced, the energy consumption required by heating the heat medium is effectively reduced, and the energy-saving and environment-friendly effects are achieved.
Description
Technical Field
The utility model belongs to the technical field of the hot-blast furnace, especially, relate to a hot-blast furnace with anti expansion function.
Background
The direct hot blast stove is characterized in that natural gas with certain pressure enters an air inlet of an automatic burner through a conveying pipeline and a valve, air from a combustion-supporting blower of the burner is blown in from the tangential direction of a shell of the burner and is uniformly distributed through a cyclone nozzle, so that the air becomes stronger rotary airflow and flows out, the air is mixed with the natural gas sprayed by the burner and is diffused to a furnace wall along a horn of a burner block to form flat disc-shaped flame, so that a good combustion effect is achieved, high-temperature combustion gas is directly sent into a drying system, the natural gas with clean energy is widely used, new tests are brought to the design of the hot blast stove, the natural gas has higher heat value and heat efficiency compared with the coal gas, the heating furnace barrel is overhigh in high heat temperature, and the problems of barrel deformation and burnthrough are caused.
Therefore, the key point for solving the problem is to develop the hot blast stove which is resistant to high temperature and difficult to deform.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hot blast stove with anti expansion function.
The utility model discloses a following technical scheme realizes: the spiral air pipe type heat medium furnace comprises a furnace body, wherein one end of the furnace body is a combustion port, the other end of the furnace body is a heat medium outlet, a spiral air pipe is coaxially arranged outside the furnace body, one end of the spiral air pipe is an air inlet end, the other end of the spiral air pipe is an air exhaust end, the air exhaust end is connected with an air suction machine, the air inlet end of the spiral air pipe is arranged at one end of the heat medium outlet of the furnace body, the air inlet direction of the spiral air pipe is opposite to the discharge direction of the heat medium of the furnace body, and the air suction machine is connected into the combustion port through a pipeline.
The utility model has the advantages that: the utility model has simple structure and convenient production and manufacture, adopts air to cool the furnace body, effectively reduces the temperature of the furnace body, relieves the heat effect, improves the high temperature resistance, solves the problem of easy deformation, reduces the destructiveness of high temperature to the furnace body, and prolongs the service life; and secondly, heated air exhausted by the spiral air pipe is introduced into the furnace body, so that the heat loss of the heated air is reduced, the energy consumption required by heating of a heat medium is effectively reduced, and the furnace is more energy-saving and environment-friendly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is a schematic perspective view of the present invention;
reference numbers in the figures: 1-furnace body, 2-fire-resistant layer, 3-heat-insulating layer, 4-strengthening shaping layer, 5-combustion opening, 6-thermal medium outlet, 7-spiral air pipe, 8-air inlet end and 9-air outlet end.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is provided with reference to the accompanying drawings.
The hot blast stove with the expansion resistance function shown in fig. 1-3 comprises a stove body 1, wherein one end of the stove body 1 is a combustion port 5, the other end of the stove body is a heat medium outlet 6, a spiral air pipe 7 is coaxially arranged outside the stove body 1, one end of the spiral air pipe 7 is an air inlet end 8, the other end of the spiral air pipe is an air outlet end 9, the air outlet end 9 is connected with an air aspirator, the air inlet end 8 of the spiral air pipe 7 is arranged at one end of the heat medium outlet 6 of the stove body 1, the air inlet direction of the spiral air pipe 7 is opposite to the heat medium discharge direction of the stove body 1, and the air aspirator is connected into the combustion port 5 through a pipeline.
And a filter cover is arranged at the air inlet end 8 of the spiral air pipe 7.
The furnace body 1 is sequentially provided with a fire-resistant layer 2, a heat-insulating layer 3 and a strengthening shaping layer 4 from inside to outside.
The reinforced shaping layer 4 is made of a steel plate, and applies a fastening force to the furnace body, so that the deformation resistance of the furnace body is further improved.
The air aspirator is an air compressor.
The cross section of the spiral air pipe 7 is of a circular or square structure.
The pipe distance gamma between the adjacent spiral air pipes 7 is not more than 5cm.
The utility model discloses a working method: natural gas enters the furnace body 1 through the combustion port 5, compressed air is input into the furnace body 1 through the air compressor, the natural gas and the compressed air are combusted in the furnace body 1 to heat air in the furnace, the heat medium outlet 6 of the furnace body 1 is connected to the drying container, and heated high-temperature gas is conveyed into the drying container through the heat medium outlet 6 to dry a dried object; in this process, air compressor absorbs natural air through 7 synchronous absorption spiral air pipes 7 and gets into 7, when natural air moves in 7 spiral air pipes, carry out the heat exchange cooling with furnace body 1, and gaseous after the heat absorption then sends into furnace body 1 through air compressor in 7 and participates in the burning, the formation is to the cooling circulation of preheating, carry out effectual preheating to gas, effectively reduce the required heat of gas heating in the furnace body 1, improve the heating efficiency of furnace body 1, reduce the required energy consumption of heating.
Claims (7)
1. The utility model provides a hot-blast furnace with anti expansion function, includes furnace body (1), furnace body (1) one end is burner port (5), and the other end is hot medium export (6), its characterized in that: the utility model discloses a hot medium of stove body (1) is characterized in that furnace body (1) outside coaxial be equipped with spiral duct (7), spiral duct (7) one end is inlet end (8), and the other end is exhaust end (9), and the machine of breathing in is connected in exhaust end (9), just inlet end (8) of spiral duct (7) set up in hot medium export (6) one end of furnace body (1), and the direction of breathing in of spiral duct (7) and furnace body (1) hot medium discharge opposite direction, the machine of breathing in then goes into burner port (5) through the pipe connection.
2. The hot blast stove with the anti-expansion function according to claim 1, characterized in that: and a filter cover is arranged at the air inlet end (8) of the spiral air pipe (7).
3. The hot blast stove with expansion resistance function according to claim 1, characterized in that: the furnace body (1) is sequentially provided with a fire-resistant layer (2), a heat-insulating layer (3) and a strengthening and shaping layer (4) from inside to outside.
4. The hot blast stove with expansion resistance according to claim 3, wherein: the reinforced shaping layer (4) is made of a steel plate.
5. The hot blast stove with expansion resistance function according to claim 1, characterized in that: the air aspirator is an air compressor.
6. The hot blast stove with the anti-expansion function according to claim 1, characterized in that: the cross section of the spiral air pipe (7) is of a circular or square structure.
7. The hot blast stove with expansion resistance function according to claim 1, characterized in that: the pipe distance gamma between the adjacent spiral air pipes (7) is not more than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051387.8U CN217560100U (en) | 2021-12-07 | 2021-12-07 | Hot-blast furnace with anti expansion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123051387.8U CN217560100U (en) | 2021-12-07 | 2021-12-07 | Hot-blast furnace with anti expansion function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217560100U true CN217560100U (en) | 2022-10-11 |
Family
ID=83466211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123051387.8U Active CN217560100U (en) | 2021-12-07 | 2021-12-07 | Hot-blast furnace with anti expansion function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217560100U (en) |
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2021
- 2021-12-07 CN CN202123051387.8U patent/CN217560100U/en active Active
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