CN218627711U - High-efficiency combustion-supporting air system of shuttle kiln - Google Patents
High-efficiency combustion-supporting air system of shuttle kiln Download PDFInfo
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- CN218627711U CN218627711U CN202223078382.9U CN202223078382U CN218627711U CN 218627711 U CN218627711 U CN 218627711U CN 202223078382 U CN202223078382 U CN 202223078382U CN 218627711 U CN218627711 U CN 218627711U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to a combustion-supporting wind technical field of shuttle kiln specifically is a high-efficient combustion-supporting wind system of shuttle kiln. The high-efficient combustion-supporting air system of shuttle kiln, including the kiln body, heat exchanger, tail gas processing apparatus, the kiln body passes through the heat exchanger and links to each other with tail gas processing apparatus, the inside top of kiln body cavity is equipped with combustion-supporting air device, is equipped with the air outlet on the combustion-supporting air device, the below of air outlet is equipped with one-level burner port and second grade burner port, the kiln body below is equipped with the outlet flue, the kiln body outside is equipped with the heat preservation, the heat exchanger is used for giving combustion-supporting wind with the heat transfer of hot cigarette for promote combustion-supporting air temperature. Through the adjustment to combustion-supporting tuber pipe diameter, adopt the main line to increase properly, the method of pipeline reducing makes each branch pipeline amount of wind distribution tend to unanimous for combustion-supporting effect obviously promotes.
Description
Technical Field
The utility model relates to a combustion-supporting wind technical field of shuttle kiln specifically is a high-efficient combustion-supporting wind system of shuttle kiln.
Background
The shuttle kiln is a kind of thermal equipment for down-draft intermittent production using kiln car as bottom, also called car bottom down-draft kiln, and can be divided into natural gas furnace, gas producer and direct coal-fired type according to the energy source. The shuttle kiln has the characteristic of being suitable for small-batch production of various types.
And the multi-kiln vehicle shuttle kiln has more burners and more branch air pipes. The traditional structure distributes the air volume of more than four branch pipelines from a main pipe, and causes uneven distribution of combustion-supporting air volume due to reasons such as flow velocity and pipeline resistance, thereby causing obvious difference in the atmosphere in the kiln in the sintering process and having more obvious influence on products.
SUMMERY OF THE UTILITY MODEL
According to the defects in the prior art, the utility model aims to provide a high-efficiency combustion-supporting air system of a shuttle kiln, which adopts the method that the main pipeline is properly enlarged and the pipeline is reduced by adjusting the diameter of a combustion-supporting air pipe, so that the air distribution of each branch pipeline tends to be consistent, and the combustion-supporting effect is obviously improved; and through the arrangement of the air inlet and outlet heat exchangers, the temperature of the kiln inlet combustion-supporting air is greatly improved, the production efficiency is improved, and the industrial production is facilitated.
The utility model discloses an adopt following technical scheme to realize:
the high-efficient combustion-supporting air system of shuttle kiln, including the kiln body, a heat exchanger, tail gas processing apparatus, the kiln body passes through the heat exchanger and links to each other with tail gas processing apparatus, the inside top of kiln body cavity is equipped with combustion-supporting air device, be equipped with the air outlet on the combustion-supporting air device, the below of air outlet is equipped with one-level burner port and second grade burner port, kiln body below is equipped with the outlet flue, the kiln body outside is equipped with the heat preservation, the heat exchanger is used for giving combustion-supporting wind with the heat transfer of hot cigarette, be used for promoting combustion-supporting wind temperature, combustion-supporting air device is used for delivering to the burner port with combustion-supporting wind is even, kiln body below is located to the outlet flue, help the air circulation in the box.
The smoke outlet is connected with the heat exchanger through a heat exchanger flue, an induced draft fan is arranged between the heat exchanger and the tail gas treatment device, the heat exchanger is connected with the induced draft fan through a heat exchanger flue, and the induced draft fan is connected with the tail gas treatment device through a tail gas inlet treatment device pipeline.
The heat exchanger is connected with a combustion-supporting air device through a combustion-supporting air pipeline, and the other end of the heat exchanger is connected with an air blower through a heat exchanger air inlet duct.
The combustion-supporting air device is provided with a thick combustion-supporting air pipe, the thick combustion-supporting air pipe is connected with a thin combustion-supporting air pipe through a reducing connector, the air outlet is connected below the thick combustion-supporting air pipe and the thin combustion-supporting air pipe, the air distribution pipe close to the combustion-supporting air pipeline is the thick combustion-supporting air pipe, the air distribution pipe far away from the combustion-supporting air pipeline is the thin combustion-supporting air pipe, and the pressure of the air outlet is consistent by utilizing the difference of pipe diameters.
The kiln body both sides be equipped with one-level refractory wall and second grade refractory wall, be equipped with the one-level burner on the one-level refractory wall, be equipped with the second grade burner on the second grade refractory wall, one-level burner and second grade burner are for crisscross the arranging.
The primary combustion port is connected with a primary fuel pipeline, and the secondary combustion port is provided with a secondary fuel pipeline.
The utility model discloses the high-efficient combustion-supporting air system's of shuttle kiln theory of operation does:
the combustion-supporting gas passes through the heat exchanger and heaies up the back, gets into combustion-supporting wind device through combustion-supporting wind pipeline, through the distribution pipe that the pipe diameter is different, with the even burner port of delivering to of combustion-supporting wind, the burner port is crisscross setting, has improved the equilibrium of temperature in the kiln, the flue gas gets into the heat exchanger through the outlet flue, when self cooling, gives combustion-supporting wind with the heat efficient transmission, later gets into tail gas processing apparatus through the draught fan. In the combustion-supporting air device, an air distribution pipe close to a combustion-supporting air pipeline is a thick combustion-supporting air pipe, an air distribution pipe far away from the combustion-supporting air pipeline is a thin combustion-supporting air pipe, and the pressure of an air outlet is consistent by utilizing the difference of pipe diameters.
Compared with the prior art, the beneficial effects of the utility model are that:
by adopting the high-efficiency combustion-supporting air system of the shuttle kiln, the air quantity distribution of each branch pipeline tends to be consistent by adopting the method of properly increasing the main pipeline and reducing the pipeline through adjusting the pipe diameter of the air distribution pipe, so that the combustion-supporting effect is obviously improved; and through the arrangement of the air inlet and outlet heat exchangers, the temperature of the kiln inlet combustion-supporting air is greatly improved, the production efficiency is improved, and the industrial production is facilitated.
Drawings
FIG. 1 is a schematic structural view of the high-efficiency combustion-supporting air system of the shuttle kiln of the present invention;
fig. 2 is a schematic structural view of the combustion-supporting air device of the present invention;
FIG. 3 is a schematic structural view of the second-stage refractory wall of the present invention;
FIG. 4 is a schematic structural view of a first-level refractory wall of the present invention;
in the figure: 1. a kiln body; 2. a heat exchanger; 3. a tail gas treatment device; 4. a combustion-supporting air device; 5. a smoke outlet; 6. an induced draft fan; 7. a blower; 8. an air outlet; 9. a first-stage burner port; 10. a secondary combustion port; 11. entering a heat exchanger flue; 12. the flue of the heat exchanger is discharged; 13. entering a pipeline of a tail gas treatment device; 14. an air inlet duct of the heat exchanger; 15. a combustion air duct; 16. a heat-insulating layer; 17. a coarse combustion-supporting air pipe; 18. a fine combustion-supporting air duct; 19. a reducing connector; 20. a secondary fuel conduit; 21. a second-stage refractory wall; 22. a primary fuel conduit; 23. first-class refractory wall.
Detailed Description
In order to make the objects and technical solutions of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, high-efficient combustion-supporting air system of shuttle kiln, including the kiln body 1, heat exchanger 2, tail gas processing apparatus 3, the kiln body 1 passes through heat exchanger 2 and links to each other with tail gas processing apparatus 3, kiln body 1 cavity inside top is equipped with combustion-supporting air device 4, be equipped with air outlet 8 on the combustion-supporting air device 4, the below of air outlet 8 is equipped with one-level burner 9 and second grade burner 10, kiln body 1 below is equipped with outlet 5, the kiln body 1 outside is equipped with heat preservation 16, heat exchanger 2 is used for giving combustion-supporting air with the heat transfer of hot cigarette, be used for promoting combustion-supporting air temperature, combustion-supporting air device 4 is used for delivering combustion-supporting air to the burner evenly, outlet 5 locates kiln body 1 below, help the air circulation in the box. The outlet flue 5 links to each other with heat exchanger 2 through advancing heat exchanger flue 11, is equipped with draught fan 6 between heat exchanger 2 and the tail gas processing apparatus 3, and heat exchanger 2 links to each other with draught fan 6 through going out heat exchanger flue 12, and draught fan 6 links to each other with tail gas processing apparatus 3 through advancing tail gas processing apparatus pipeline 13. The heat exchanger 2 is connected with the combustion-supporting air device 4 through a combustion-supporting air pipeline 15, and the other end of the heat exchanger 2 is connected with the blower 7 through a heat exchanger air inlet duct 14. As shown in fig. 2, a coarse combustion-supporting air duct 17 is arranged on the combustion-supporting air device 4, the coarse combustion-supporting air duct 17 is connected with a fine combustion-supporting air duct 18 through a reducing connector 19, and the air outlet 8 is connected below the coarse combustion-supporting air duct 17 and the fine combustion-supporting air duct 18. The two sides of the kiln body 1 are provided with a first-level refractory wall 23 and a second-level refractory wall 21. As shown in fig. 3-4, the first-stage fire-resistant wall 23 is provided with the first-stage combustion ports 9, the second-stage fire-resistant wall 21 is provided with the second-stage combustion ports 10, and the first-stage combustion ports 9 and the second-stage combustion ports 10 are arranged in a staggered manner. The primary combustion port 9 is connected with a primary fuel pipeline 22, and the secondary combustion port 10 is provided with a secondary fuel pipeline 20.
The high-efficiency combustion-supporting air system of the shuttle kiln comprises the following steps in work:
(1) The combustion-supporting air is heated by the heat exchanger 2, enters the combustion-supporting air device 4 through the combustion-supporting air pipeline 15, and is uniformly delivered to a combustion port through air distribution pipes with different pipe diameters; (2) The burner ports are arranged in a staggered mode, the balance of the temperature in the kiln is improved, the flue gas enters the heat exchanger through the smoke outlet 5, the heat is efficiently transmitted to combustion-supporting air when the flue gas is cooled, and then the flue gas enters the tail gas treatment device 3 through the draught fan 6.
Claims (6)
1. The utility model provides a high-efficient combustion-supporting air system of shuttle kiln, a serial communication port, including the kiln body (1), heat exchanger (2), tail gas processing apparatus (3), the kiln body (1) links to each other with tail gas processing apparatus (3) through heat exchanger (2), the inside top of the cavity of the kiln body (1) is equipped with combustion-supporting air device (4), be equipped with air outlet (8) on combustion-supporting air device (4), the below of air outlet (8) is equipped with one-level burner port (9) and second grade burner port (10), kiln body (1) below is equipped with outlet flue (5), the kiln body (1) outside is equipped with heat preservation (16).
2. The high-efficiency combustion-supporting air system of the shuttle kiln according to claim 1, wherein the smoke outlet (5) is connected with the heat exchanger (2) through a heat exchanger flue (11), an induced draft fan (6) is arranged between the heat exchanger (2) and the tail gas treatment device (3), the heat exchanger (2) is connected with the induced draft fan (6) through a heat exchanger flue (12), and the induced draft fan (6) is connected with the tail gas treatment device (3) through a tail gas inlet treatment device pipeline (13).
3. The high-efficiency combustion-supporting air system of the shuttle kiln according to claim 1, characterized in that the heat exchanger (2) is connected with the combustion-supporting air device (4) through a combustion-supporting air pipeline (15), and the other end of the heat exchanger (2) is connected with the blower (7) through a heat exchanger air inlet duct (14).
4. The high-efficiency combustion-supporting air system of the shuttle kiln according to claim 1, wherein a coarse combustion-supporting air pipe (17) is arranged on the combustion-supporting air device (4), the coarse combustion-supporting air pipe (17) is connected with a fine combustion-supporting air pipe (18) through a reducing connector (19), and the air outlet (8) is connected below the coarse combustion-supporting air pipe (17) and the fine combustion-supporting air pipe (18).
5. The high-efficiency combustion-supporting air system of the shuttle kiln as claimed in claim 1, wherein the two sides of the kiln body (1) are provided with a first-stage refractory wall (23) and a second-stage refractory wall (21), the first-stage refractory wall (23) is provided with a first-stage combustion port (9), the second-stage refractory wall (21) is provided with a second-stage combustion port (10), and the first-stage combustion port (9) and the second-stage combustion port (10) are arranged in a staggered manner.
6. The high-efficiency combustion-supporting air system of the shuttle kiln according to claim 5, characterized in that the primary combustion port (9) is connected with a primary fuel pipeline (22), and the secondary combustion port (10) is provided with a secondary fuel pipeline (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078382.9U CN218627711U (en) | 2022-11-21 | 2022-11-21 | High-efficiency combustion-supporting air system of shuttle kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223078382.9U CN218627711U (en) | 2022-11-21 | 2022-11-21 | High-efficiency combustion-supporting air system of shuttle kiln |
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| Publication Number | Publication Date |
|---|---|
| CN218627711U true CN218627711U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223078382.9U Active CN218627711U (en) | 2022-11-21 | 2022-11-21 | High-efficiency combustion-supporting air system of shuttle kiln |
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| CN (1) | CN218627711U (en) |
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2022
- 2022-11-21 CN CN202223078382.9U patent/CN218627711U/en active Active
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