CN217031601U - Direct-fired combustion furnace - Google Patents
Direct-fired combustion furnace Download PDFInfo
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- CN217031601U CN217031601U CN202220474256.6U CN202220474256U CN217031601U CN 217031601 U CN217031601 U CN 217031601U CN 202220474256 U CN202220474256 U CN 202220474256U CN 217031601 U CN217031601 U CN 217031601U
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- cylinder body
- inner cylinder
- outer cylinder
- combustion furnace
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Abstract
The utility model discloses a direct-fired combustion furnace, which comprises an inner cylinder and an outer cylinder; is characterized in that a heat-insulating cylinder body is arranged in the outer cylinder body, and a cavity is arranged between the inner cylinder body and the heat-insulating cylinder body; the surface of the inner cylinder body is provided with a radiating fin, and the inner cylinder body is provided with an air inlet; one end of the inner cylinder is fixedly connected with the combustor through a connecting flange; a cold air inlet is arranged at one side of the outer cylinder body close to the combustion furnace; the inner cylinder body and the outer cylinder body are detachably connected. The advantage can take interior barrel out alone and inspect the clearance, and the fin can make the heat on the interior barrel give off to the cold air in, can effectively reduce interior barrel section of thick bamboo temperature, avoids interior barrel high temperature to take place to warp, surface oxidation produces the pollution, increase of service life. Simple structure, good stability, safety, reliability and high thermal efficiency which can reach more than 95 percent.
Description
Technical Field
The utility model relates to the field of combustion furnaces, in particular to a direct-fired combustion furnace.
Background
The combustion furnace is generally used in the industrial fields of chemical pharmacy, food and feed, metal spraying, industrial and mining heating, drying and calcining and the like, the combustion furnace structure in the prior art has potential safety hazards, the inner cylinder body of the combustion furnace is often burnt out by high temperature generated by the combustor, the service life of the combustion furnace is shortened, and the use cost of the combustion furnace is increased; and the high temperature can damage the combustor after being transmitted to the furnace body, and the working efficiency of the combustion furnace is influenced.
Disclosure of Invention
The utility model aims to provide a direct-fired combustion furnace which is simple and compact in structure, convenient to disassemble and clean and long in service life; the technical problem is solved.
In order to achieve the technical purpose and achieve the technical requirements, the technical scheme adopted by the utility model is as follows: a direct-fired combustion furnace comprises an inner cylinder and an outer cylinder; the method is characterized in that: a heat-insulating cylinder body is arranged in the outer cylinder body, and a cavity is arranged between the inner cylinder body and the heat-insulating cylinder body; the surface of the inner cylinder body is provided with a radiating fin, and the inner cylinder body is provided with an air inlet; one end of the inner cylinder is fixedly connected with the combustor through a connecting flange; a cold air inlet is arranged at one side of the outer cylinder body close to the combustion furnace; the inner cylinder body and the outer cylinder body are detachably connected.
Preferably: the detachable connection comprises a connecting plate arranged between the connecting flange and the inner cylinder body, and the connecting plate is circular and is fixedly connected with the end face of the outer cylinder body in a matched manner.
Preferably: the number of the cold air inlets is three, and the cold air inlets are uniformly distributed along the circumferential direction of the outer cylinder body.
Preferably: the inner cylinder body comprises a straight cylinder section, and two ends of the straight cylinder section are both provided with conical sections; the straight cylinder section and the conical section close to the combustor are provided with the cold air inlet, and the conical section far away from the combustor is provided with the air outlet.
Preferably: and a hot air outlet is formed in one end, far away from the combustion furnace, of the outer cylinder body.
The utility model has the beneficial effects; the utility model provides a direct combustion formula fires burning furnace, is connected through the connecting plate between barrel and the heat preservation section of thick bamboo and the outer section of thick bamboo in will, movable structure convenient to install and dismantle, can take out the interior barrel alone and examine the clearance, during welded fin can make the heat on the interior barrel give off the cold air, the cold air inlet of configuration regular distribution simultaneously can effectively reduce interior barrel section of thick bamboo temperature, barrel high temperature takes place to warp in avoiding, surface oxidation produces the pollution, increase of service life. The utility model has simple structure, good stability, safety and reliability, and high thermal efficiency which can reach more than 95%.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a left side view of fig. 1 of the present invention.
In the figure: 1. a burner; 2. an inner cylinder; 3. a heat-insulating cylinder body; 4. an outer cylinder; 5. a thermal insulation material; 6. a cold air inlet; 7. a hot air outlet; 8. a support; 9. a heat sink; 10. an air inlet; 11. a connecting flange; 12. a connecting plate; 13. and an air outlet.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.
Examples
A direct combustion type combustion furnace, the bottom of which is provided with a bracket 8, comprises an inner cylinder 2 and an outer cylinder 4; the heat-insulating cylinder body 3 is arranged in the outer cylinder body 4, and a heat-insulating material 5 is filled between the heat-insulating cylinder body and the outer cylinder body; the surface of the inner cylinder body 2 is provided with a radiating fin 9, and the inner cylinder body 2 is provided with an air inlet 10; one end of the inner cylinder 2 is fixedly connected with the combustor 1 through a connecting flange 11; a cold air inlet 6 is arranged at one side of the outer cylinder 4 close to the combustion furnace 1; the inner cylinder body 2 and the outer cylinder body 4 are detachably connected.
Specifically, the detachable connection comprises a connecting plate 12 arranged between the connecting flange 11 and the inner cylinder 2, and the connecting plate 12 is circular and is matched, connected and fixed with the end face of the outer cylinder 4; the number of the cold air inlets 6 is three, and the cold air inlets are uniformly distributed along the circumferential direction of the outer cylinder 4; the inner cylinder body 2 comprises a straight cylinder section, and two ends of the straight cylinder section are both provided with conical sections; the straight cylinder section and the conical section close to the combustor are both provided with the air inlet 10; the conical section away from the burner is provided with an air outlet 13; one end of the outer cylinder 4, which is far away from the combustion furnace 1, is provided with a hot air outlet 7, the hot air outlet 7 is connected with an induced draft fan, and hot air is introduced into a use device by the induced draft fan.
The working principle is that an outsourced combustor 1 is installed and connected on a flange on the end face of an inner cylinder 2, the combustor controls gas fuel to combust in the inner cylinder to generate high-temperature gas, after a draught fan is synchronously started, a proper amount of cold air is automatically supplemented into a cold air inlet 6 according to the air quantity of a system, part of cold air flows to a hot air outlet 7 along an interlayer of the inner cylinder and a heat insulation cylinder 3, and part of cold air enters from a conical cylinder at the front end of the inner cylinder and an air inlet 10 on the cylinder and flows to the hot air outlet 7 from a round hole of an air outlet 13 after being mixed with the high-temperature gas.
The utility model has simple structure and good stability, the inner cylinder body is connected with the heat-insulating cylinder and the outer cylinder through the flange plates, the movable structure is convenient for installation and disassembly, the inner cylinder body can be independently drawn out for inspection and cleaning, the heat radiating fins welded on the cylinder body can radiate the heat on the inner cylinder body into cold air, and the regularly distributed cold air inlets are arranged at the same time, thus effectively reducing the temperature of the inner cylinder body, avoiding the inner cylinder body from deforming due to high temperature and polluting due to surface oxidation, prolonging the service life and having high thermal efficiency which can reach more than 95 percent.
Claims (5)
1. A direct-fired combustion furnace comprises an inner cylinder (2) and an outer cylinder (4); the method is characterized in that: a heat-insulating cylinder (3) is arranged in the outer cylinder (4), and a cavity is arranged between the inner cylinder (2) and the heat-insulating cylinder (3); the surface of the inner cylinder body (2) is provided with a radiating fin (9), and the inner cylinder body (2) is provided with an air inlet (10); one end of the inner cylinder (2) is fixedly connected with the combustor (1) through a connecting flange (11); a cold air inlet (6) is formed in one side, close to the combustor (1), of the outer cylinder (4); the inner cylinder body (2) and the outer cylinder body (4) are detachably connected.
2. A direct combustion burner as in claim 1, wherein: the detachable connection comprises a connecting plate (12) arranged between a connecting flange (11) and the inner cylinder body (2), and the connecting plate (12) is circular and is fixedly connected with the end face of the outer cylinder body (4) in a matched mode.
3. A direct combustion furnace as in claim 1, wherein: the number of the cold air inlets (6) is three, and the cold air inlets are uniformly distributed along the circumferential direction of the outer cylinder body (4).
4. A direct combustion furnace as in claim 1, wherein: the inner cylinder body (2) comprises a straight cylinder section, and two ends of the straight cylinder section are both provided with conical sections; the straight cylinder section and the conical section close to the combustor are both provided with the cold air inlet (6), and the conical section far away from the combustor is provided with an air outlet (13).
5. A direct combustion burner as in claim 1, wherein: and a hot air outlet (7) is formed in one end, far away from the combustor (1), of the outer cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474256.6U CN217031601U (en) | 2022-03-07 | 2022-03-07 | Direct-fired combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474256.6U CN217031601U (en) | 2022-03-07 | 2022-03-07 | Direct-fired combustion furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217031601U true CN217031601U (en) | 2022-07-22 |
Family
ID=82454311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220474256.6U Active CN217031601U (en) | 2022-03-07 | 2022-03-07 | Direct-fired combustion furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217031601U (en) |
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2022
- 2022-03-07 CN CN202220474256.6U patent/CN217031601U/en active Active
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