Environment-friendly combustion furnace

Abstract

The environment-friendly combustion furnace comprises a heat conversion device, a feeding device, a combustion device and a partition plate, the heat conversion device is connected to the combustion device and communicated with the combustion device, the feeding device is connected to one side of the combustion device and conveys combustion materials, and the partition plate is arranged between the heat conversion device and the combustion device; the annular backflow box, the heat conversion box, the heat conversion pipes, the air outlet pipe, the hot air conversion pipe, the combustion communicating pipe, the annular pipe, the connecting pipe, the communicating pipe, the connecting backflow pipe and the communicating holes are arranged in the shell, the multiple heat conversion pipes penetrate through the heat conversion box, and one ends of the heat conversion pipes are connected with the annular pipe; the environment-friendly combustion furnace is simple in mechanism, convenient to use and practical, the flowing distance of airflow or water is increased through the backflow gap, the purpose of improving heating efficiency is achieved, the airflow or water flowing conveying speed is increased, and meanwhile conversion of heat efficiency is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of combustion furnaces, and in particular relates to an environmentally friendly combustion furnace. Background Art

[0002] An environmentally friendly combustion furnace is an environmentally friendly device that burns solid waste, biomass fuel and other combustible materials at high temperatures to achieve harmless, reduced and resource-based treatment. According to different usage scenarios and combustion methods, environmentally friendly combustion furnaces can be divided into many types, such as fixed incinerators, movable incinerators, pulse-throwing grate incinerators, mechanical grate incinerators, fluidized bed incinerators, etc. The working principle of an environmentally friendly combustion furnace is mainly to utilize high-temperature oxidation combustion reactions to oxidize and destroy harmful and toxic substances in combustible materials at high temperatures, while achieving harmless, reduced and resource-based treatment of waste; the current combustion furnace structure is roughly fixed, and in order to improve the heat recovery rate and increase the ability of the combustibles to burn fully, the combustion furnace structure will be improved. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide an environmentally friendly combustion furnace, which has a simple structure, is convenient and practical, and increases the flow distance of airflow or water through the reflux gap to achieve the purpose of improving heating efficiency, thereby increasing the airflow or water flow transmission speed while ensuring the conversion of thermal efficiency.

[0004] An environmentally friendly combustion furnace, comprising a heat conversion device, a feeding device, a combustion device and a partition plate, wherein the heat conversion device is connected to the combustion device and are interconnected, the feeding device is connected to one side of the combustion device and transports combustion materials, and the partition plate is arranged between the heat conversion device and the combustion device; characterized in that: the heat conversion device comprises an outer shell and an annular reflux box, a heat conversion box, a heat conversion pipe, an air outlet pipe, a hot gas conversion pipe, a combustion connecting pipe, an annular pipe, a connecting pipe, a connecting pipe, a connecting reflux pipe and a connecting hole arranged in the outer shell, a plurality of the heat conversion pipes pass through the heat conversion box and one end is connected to the annular pipe, the annular pipe It is sleeved on the combustion connecting pipe, one end of the connecting pipe is connected to the annular pipe, the annular reflux box is sleeved outside the heat conversion box and a reflux gap is arranged in between, the outlet pipe is connected to the top of the heat conversion box and one end passes through the top of the shell, the combustion connecting pipe is connected to the bottom of the heat conversion box and one end passes through the partition plate and is connected to the combustion device, the hot gas conversion pipe is sleeved outside the outlet pipe and one end passes through the top of the shell, a plurality of connecting reflux pipes are connected between the heat conversion box and the annular reflux box and are arranged close to the outlet pipe, one end of the connecting pipe passes through the shell and the heat conversion box, and a plurality of connecting holes connected to the annular reflux box are opened on the partition plate.

[0005] Preferably, the combustion device includes a reflux housing, a reflux port, a regulating plate, a combustion inlet pipe, an air pipe, and a combustion chamber. The combustion chamber is arranged inside the reflux housing and is connected to the combustion connecting pipe. The reflux port is arranged on the reflux housing, and the regulating plate is arranged on the reflux port. The reflux port is connected to the combustion inlet pipe through the air pipe. One end of the combustion inlet pipe penetrates through the reflux housing and is connected to the combustion chamber. An air inlet is arranged on the air pipe, and high-pressure blowers are arranged on both the air inlet and the air pipe.

[0006] Preferably, an air content sensor is arranged inside the reflux housing.

[0007] Preferably, temperature sensors are arranged inside the hot gas conversion pipe, the connecting pipe, and the connecting tube.

[0008] Beneficial effects:

[0009] (1) For the environmental protection combustion furnace of the present utility model, its structure is simple, convenient and practical. By increasing the flow distance of air or water through the reflux gap, the purpose of improving the heating efficiency is achieved, ensuring the conversion of thermal efficiency while increasing the flow and transportation speed of air or water.

[0010] (2) For the environmental protection combustion furnace of the present utility model, the flue gas is refluxed through the annular reflux box, enabling the flue gas to be mixed with air and enter the combustion chamber to control the combustion state and combustion temperature of the combustion chamber, thereby achieving the purpose of controlling the fuel combustion time. Description of the drawings

[0011] Figure 1 It is a schematic structural diagram of the environmental protection combustion furnace;

[0012] Figure 2 It is a schematic internal structure diagram of the environmental protection combustion furnace;

[0013] Figure 3 It is a 3D internal structure diagram of the environmental protection combustion furnace;

[0014] Figure 4 It is a schematic structural diagram of the heat conversion device;

[0015] 1 - Heat conversion device, 11 - Housing, 12 - Annular reflux box, 13 - Heat conversion box, 14 - Heat conversion pipe, 15 - Outlet pipe, 16 - Hot gas conversion pipe, 17 - Combustion connecting pipe, 18 - Annular pipe, 19 - Connecting pipe, 110 - Connecting tube, 111 - Connecting reflux pipe, 112 - Communication hole, 2 - Feeding device, 3 - Combustion device, 31 - Reflux housing, 32 - Reflux port, 33 - Regulating plate, 34 - Combustion inlet pipe, 4 - Partition plate. Specific embodiments

[0016] The embodiments of the present utility model will be further described below with reference to the drawings.

[0017] Example 1

[0018] As Figure 1 shown; an environment-friendly combustion furnace, comprising a heat conversion device 1, a feeding device 2, a combustion device 3 and a partition plate 4. The heat conversion device 1 is connected to the combustion device 3 and is in communication with each other. The feeding device 2 is connected to one side of the combustion device 3 and conveys combustion materials. The partition plate 4 is arranged between the heat conversion device 1 and the combustion device 3. The heat conversion device 1 includes a housing 11 and an annular reflux box 12, a heat conversion box 13, heat conversion tubes 14, an air outlet pipe 15, a hot gas conversion tube 16, a combustion communication tube 17, an annular tube 18, a connecting tube 19, a communication tube 110, a connecting reflux tube 111 and communication holes 112 arranged inside the housing 11. A plurality of the heat conversion tubes 14 penetrate through the heat conversion box 13 and one end is connected to the annular tube 18. The annular tube 18 is sleeved on the combustion communication tube 17. One end of the connecting tube 19 is connected to the annular tube 18. The annular reflux box 12 is sleeved outside the heat conversion box 13 and a reflux gap is arranged therebetween. The air outlet pipe 15 is connected to the top of the heat conversion box 13 and one end penetrates through the top of the housing 11. The combustion communication tube 17 is connected to the bottom of the heat conversion box 13 and one end penetrates through the partition plate 4 to communicate with the combustion device 3. The hot gas conversion tube 16 is sleeved outside the air outlet pipe 15 and one end penetrates through the top of the housing 11. A plurality of the connecting reflux tubes 111 are connected between the heat conversion box 13 and the annular reflux box 12 and are arranged close to the air outlet pipe 15. One end of the communication tube 110 penetrates through the housing 11 and the heat conversion box 13. A plurality of communication holes 112 communicating with the annular reflux box 12 are formed on the partition plate 4. The combustion device 3 includes a reflux housing 31, a reflux port 32, an adjusting plate 33, a combustion inlet pipe 34, an air pipe and a combustion chamber. The combustion chamber is arranged inside the reflux housing 31 and is in communication with the combustion communication tube 17. The reflux port 32 is arranged on the reflux housing 31. The adjusting plate 33 is arranged on the reflux port 32. The reflux port 32 is connected to the combustion inlet pipe 34 through the air pipe. One end of the combustion inlet pipe 34 penetrates through the reflux housing 31 to communicate with the combustion chamber. An air inlet is arranged on the air pipe. High-pressure blowers are arranged on both the air inlet and the air pipe. An air content sensor is arranged inside the reflux housing 31. Temperature sensors are arranged inside the hot gas conversion tube 16, the connecting tube 19 and the communication tube 110.

[0019] Fuel is introduced into the combustion chamber through the feeding device 2 for combustion. The hot gas generated by combustion enters the heat conversion box 13 through the combustion connecting pipe 17 and heats the heat conversion box 13 and the heat conversion pipe 14, and is then led out through the air outlet pipe 15. The water or gas to be heated enters the middle part of the annular reflux box 12, the reflux gap, the heat conversion pipe 14, the annular pipe 18 and the connecting pipe 19 in sequence through the connecting pipe 110, and is led out through the connecting pipe 19 at the same time. It will be heated when passing through the heat conversion pipe 14 and the reflux gap to perform heat conversion work; at the same time, the connecting pipe 110 and the connecting pipe 19 can introduce water or gas at the same time, and are led out through the hot gas conversion pipe 16, and its heat conversion method is changed according to needs; when controlling the combustion chamber, through the high-pressure blower, the hot gas generated by combustion in the heat conversion box 13 enters the annular reflux box 12 through the connecting reflux pipe 111, enters the reflux outer shell 31 through the communication hole 112, and then enters the combustion chamber through the reflux port 32, the air pipe and the combustion air inlet pipe 34. The temperature of combustion is controlled by controlling the amount of oxygen entering the combustion chamber. The air content in the flue gas is detected by the air content sensor, and then the temperature of the water or gas to be heated is detected by the temperature sensor, so as to control the ratio of flue gas to air introduction, and the size of the flue gas outlet is controlled by the adjusting plate 33.

[0020] The specific embodiments of the present invention have been described in detail above, but they are only examples, and the present invention is not limited to the above-described specific embodiments. For those skilled in the art, any equivalent modifications and substitutions made to the present invention are also within the scope of the present invention. Therefore, all equivalent transformations and modifications made without departing from the spirit and scope of the present invention are covered by the present invention.

Claims

1. An environmentally friendly combustion furnace, comprising a heat conversion device (1), a feeding device (2), a combustion device (3) and a partition plate (4), wherein the heat conversion device (1) is connected to the combustion device (3) and the two are interconnected, the feeding device (2) is connected to one side of the combustion device (3) and transports combustion materials, and the partition plate (4) is arranged between the heat conversion device (1) and the combustion device (3); characterized in that: The heat conversion device (1) comprises a shell (11) and an annular return box (12) arranged in the shell (11), a heat conversion box (13), a heat conversion pipe (14), an air outlet pipe (15), a hot gas conversion pipe (16), a combustion connecting pipe (17), an annular pipe (18), a connecting pipe (19), a connecting pipe (110), a connecting return pipe (111) and a connecting hole (112); a plurality of the heat conversion pipes (14) penetrate the heat conversion box (13) and one end of the heat conversion pipes (14) is connected to the annular pipe (18); the annular pipe (18) is sleeved on the combustion connecting pipe (17); one end of the connecting pipe (19) is connected to the annular pipe (18); the annular return box (12) is sleeved outside the heat conversion box (13) and a connecting pipe (19) is arranged between the annular return box (12) and the connecting pipe (19) There is a reflux gap, the outlet pipe (15) is connected to the top of the heat conversion box (13) and one end thereof passes through the top of the shell (11), the combustion connecting pipe (17) is connected to the bottom of the heat conversion box (13) and one end thereof passes through the partition plate (4) to communicate with the combustion device (3), the hot gas conversion pipe (16) is sleeved outside the outlet pipe (15) and one end thereof passes through the top of the shell (11), a plurality of connecting reflux pipes (111) are connected between the heat conversion box (13) and the annular reflux box (12) and are arranged close to the outlet pipe (15), one end of the connecting pipe (110) passes through the shell (11) and the heat conversion box (13), and a plurality of connecting holes (112) communicating with the annular reflux box (12) are provided on the partition plate (4).

2. An environmentally friendly combustion furnace as claimed in claim 1, characterized in that: The combustion device (3) comprises a return shell (31), a return port (32), an adjustment plate (33), a combustion air intake pipe (34), an air pipe and a combustion chamber. The combustion chamber is arranged in the return shell (31) and is connected to the combustion connecting pipe (17). The return port (32) is arranged on the return shell (31). The adjustment plate (33) is arranged on the return port (32). The return port (32) is connected to the combustion air intake pipe (34) through the air pipe. One end of the combustion air intake pipe (34) passes through the return shell (31) and is connected to the combustion chamber. The air pipe is provided with an air intake. The air intake and the air pipe are both provided with a high-pressure fan.

3. An environmentally friendly combustion furnace as claimed in claim 2, characterized in that: An air content sensor is arranged in the return housing (31).

4. An environmentally friendly combustion furnace as claimed in claim 2, characterized in that: Temperature sensors are provided in the heat conversion pipe (16), the connecting pipe (19) and the connecting pipe (110).

Images