A three-channel cyclone burner

Abstract

The application belongs to the technical field of rotational flow combustion, and particularly relates to a three-channel rotational flow burner, which comprises an inner gas supply channel assembly, the inner gas supply channel assembly comprises an inner gas supply channel, one end of the inner gas supply channel is fixedly connected with an inner gas supply rotational flow plate, the other end of the inner gas supply channel is fixedly connected with an air inlet bulb tube, both sides of the air inlet bulb tube are fixedly connected with air inlet side tubes, the air inlet side tube end portions are fixedly connected with air inlet flanges, and the air inlet side tube interiors are fixedly connected with hole inner channel fixed discs through inner channel fixed transverse plates. The three-channel rotational flow combustion structure is adopted, the outer part and the inner part of the middle gas supply channel assembly are simultaneously used to form air supply structures, the reliability and the sufficiency of combustion are ensured, rotational flow vanes are arranged in the three channels, low-speed air and gas are continuously sprayed during work, and the mixing degree and the combustion effect in the gas interior are increased.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rotational flow combustion, in particular to a three-channel rotational flow burner. BACKGROUND

[0002] Rotational flow combustion is a commonly used combustion control technology in boilers at present, which utilizes guide vanes at an air inlet to make the airflow rotate and enhance the mixing efficiency of fuel and oxidant.

[0003] The prior art has the following problems: the traditional rotational flow burner has two rotational flow channels, namely an inner rotational flow channel and an outer rotational flow channel, the outer rotational flow channel sprays air, and the inner rotational flow channel sprays fuel gas, which are mixed and combusted under the rotational flow; in actual use, this mode is prone to uneven mixing of air and fuel gas, especially the inner environment of the fuel gas cannot be well mixed with air; meanwhile, the existing fuel gas supply cannot spray the fuel gas at too high a pressure, which will affect the mixing quality of air and fuel gas.

[0004] Therefore, the present application provides a three-channel rotational flow burner to solve the above problems. SUMMARY

[0005] The present application aims to solve the problems in the prior art and provides a three-channel rotational flow burner.

[0006] To achieve the above object, the present application adopts the following technical scheme:

[0007] The three-channel rotational flow burner comprises an inner gas supply channel assembly, the inner gas supply channel assembly comprises an inner gas supply channel, one end of the inner gas supply channel is fixedly connected with an inner gas supply rotational flow plate, and the other end of the inner gas supply channel is fixedly connected with an air inlet bulb tube, both sides of the air inlet bulb tube are fixedly connected with air inlet side tubes, the end of the air inlet side tube is fixedly connected with an air inlet flange, and the inside of the air inlet side tube is fixedly connected with a hole-containing inner channel fixed disc through an inner channel fixed transverse plate, the hole-containing inner channel fixed disc is slidably connected with an inner channel guide sliding rod, the two ends of the inner channel guide sliding rod are respectively fixedly connected with an inner channel sealing arc plate and an inner channel pushing disc, and an inner channel jacking spring is sleeved on the inner channel guide sliding rod; an outer gas supply channel assembly is arranged outside the inner gas supply channel assembly; the outer gas supply channel assembly comprises a middle gas supply channel, one end of the middle gas supply channel is fixedly connected with a middle rotational flow plate, and the other end of the middle gas supply channel is fixedly connected with a fuel gas inlet tube and a pressure relief top tube, the pressure relief top tube is connected with a pressure relief structure; an outer gas supply channel assembly is arranged outside the middle gas supply channel assembly, the outer gas supply channel assembly comprises an outer gas supply channel, one end of the outer gas supply channel is provided with an outer rotational flow plate, and the other end of the outer gas supply channel is provided with an outer channel air inlet tube.

[0008] In the three-channel cyclone burner, the pressure relief structure comprises a pressure relief hole and a hole inner disc table arranged on the pressure relief top pipe, and the outer part and the top part of the pressure relief top pipe are provided with a sealing ring pipe and a top cap pipe, a middle guiding slide rod is slidingly connected through a cap pipe sliding hole on the top cap pipe, middle limiting ball heads and middle sealing discs are fixedly connected at both ends of the middle guiding slide rod, and a middle jacking spring is sleeved on the middle guiding slide rod, and a gas outlet pipe is arranged on the sealing ring pipe.

[0009] In the three-channel cyclone burner, the air inlet side pipe and the air inlet ball pipe abutment end form an air vent, and the two ends of the inner channel jacking spring abut against the inner channel push disc and the hole inner channel fixed disc.

[0010] In the three-channel cyclone burner, the inner channel jacking spring plays a jacking role, and the inner channel sealing arc plate blocks the air vent at the abutment of the air inlet side pipe and the air inlet ball pipe.

[0011] In the three-channel cyclone burner, the two ends of the middle jacking spring abut against the top cap pipe and the middle sealing disc, the middle jacking spring plays a jacking role, and the middle sealing disc blocks the air vent on the hole inner disc table in the pressure relief top pipe.

[0012] In the three-channel cyclone burner, the inner gas supply channel is arranged inside the middle cyclone plate of the middle gas supply channel assembly, and the outer part of the middle gas supply channel is arranged inside the outer cyclone plate of the outer gas supply channel assembly.

[0013] In the three-channel cyclone burner, the gas inlet pipe penetrates the channel of the outer gas supply channel, and the pressure relief top pipe penetrates the channel of the outer gas supply channel.

[0014] In the three-channel cyclone burner, the sealing ring pipe is arranged outside the hole inner disc table with a pressure relief hole, and the sealing ring pipe surrounds the pressure relief hole.

[0015] In the three-channel cyclone burner, the working principle of the three-channel cyclone burner is as follows:

[0016] S1, the inner gas supply channel assembly provides gas before initial ignition, the inner gas supply channel assembly provides air after initial ignition, the middle gas supply channel assembly always provides gas, the outer gas supply channel assembly always provides air, forming a three-channel cyclone combustion structure, and the outer part and the inner part of the middle gas supply channel assembly form air supply structures at the same time;

[0017] S2, the low-speed air and gas are continuously sprayed in the work, the mixing degree and the combustion effect of the gas inside are increased, and the relief top pipe is arranged at the top of the middle gas supply channel, the relief hole and the hole inner disc table are arranged on the relief top pipe, the ventilation hole on the hole inner disc table in the relief top pipe is blocked by the middle sealing disc through the clamping of the middle top spring, when the gas pressure in the middle gas supply channel assembly is too large, the relief top pipe can automatically relieve the pressure, and the too fast injection of the gas under the too large pressure is avoided;

[0018] S3, the two sides of the air inlet bulb pipe are fixedly connected with air inlet side pipes, when the two air inlet side pipes are used as air inlet pipes and gas inlet pipes respectively, the hole inner channel fixed disc is fixedly connected with the inner channel through the inner channel fixed plate in the air inlet side pipe, and the ventilation hole at the joint of the air inlet side pipe and the air inlet bulb pipe is blocked by the inner channel sealing arc plate through the clamping of the inner channel clamping spring.

[0019] In the three-channel rotational flow burner, when high-pressure air is sent into the inner gas supply channel assembly, the air inlet side pipe used as the gas channel is in a natural blocking state, and when high-pressure gas is sent into the inner gas supply channel assembly, the air inlet side pipe used as the air channel is in a natural blocking state.

[0020] Compared with the prior art, the three-channel rotational flow burner has the following advantages:

[0021] 1, the three-channel rotational flow combustion structure is adopted, the outer part and the inner part of the middle gas supply channel assembly are formed into air supply structures when used simultaneously, the reliability and sufficiency of combustion are ensured, and the rotational flow blades are arranged in the three channels, low-speed air and gas are continuously sprayed in the work, and the mixing degree and the combustion effect of the gas inside are increased.

[0022] 2, when high-pressure air is sent into the inner gas supply channel assembly, the air inlet side pipe used as the gas channel is in a natural blocking state, and when high-pressure gas is sent into the inner gas supply channel assembly, the air inlet side pipe used as the air channel is in a natural blocking state, and the safety and reliability of the three-channel rotational flow burner in use are ensured through the mode. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Fig. 1 is a perspective view of a three-channel rotational flow burner according to the present application;

[0024] Figure 2 Fig. 2 is another perspective view of the three-channel rotational flow burner according to the present application;

[0025] Figure 3A perspective view of an inner gas supply passage assembly of a three-channel cyclone burner according to the present application;

[0026] Figure 4 An exploded view of an inner gas supply passage assembly of a three-channel cyclone burner according to the present application;

[0027] Figure 5 A sectional view of an end structure of an inner gas supply passage assembly of a three-channel cyclone burner according to the present application;

[0028] Figure 6 A perspective view of a middle gas supply passage assembly of a three-channel cyclone burner according to the present application;

[0029] Figure 7 An exploded view of a middle gas supply passage assembly of a three-channel cyclone burner according to the present application;

[0030] Figure 8 A perspective view of an outer gas supply passage assembly of a three-channel cyclone burner according to the present application.

[0031] In the figure: 1, inner gas supply passage assembly; 101, inner gas supply passage; 102, inner gas supply cyclone plate; 103, gas inlet bulb tube; 104, gas inlet side tube; 105, gas inlet flange; 106, inner passage guide slide rod; 107, inner passage sealing arc plate; 108, inner passage push disc; 109, inner passage clamping spring; 110, inner passage fixed horizontal plate; 111, inner passage fixed disc with holes; 2, middle gas supply passage assembly; 201, middle gas supply passage; 202, middle cyclone plate; 203, gas inlet tube; 204, pressure relief top tube; 205, pressure relief hole; 206, inner disc table with holes; 207, sealing ring tube; 208, gas outlet tube; 209, top cap tube; 210, cap tube slide hole; 211, middle guide slide rod; 212, middle sealing disc; 213, middle clamping spring; 214, middle limit ball head; 3, outer gas supply passage assembly; 301, outer gas supply passage; 302, outer cyclone plate; 303, outer passage air inlet tube. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments of the present application.

[0033] EMBODIMENT

[0034] REFERENCE Figures 1-8The utility model provides a three -way cyclone combustor, including inner gas supply channel subassembly 1, inner gas supply channel subassembly 1 includes inner gas supply channel 101, and one end of inner gas supply channel 101 is fixedly connected with inner gas supply cyclone plate 102, and the other end of inner gas supply channel 101 is fixedly connected with intake ball tube 103, and both sides of intake ball tube 103 are fixedly connected with intake side tube 104, and the end of intake side tube 104 is fixedly connected with intake flange 105, and the inside of intake side tube 104 is fixedly connected with the inner channel fixed disc 111 with hole with inner channel fixed transverse plate 110, and the inner channel guide slide rod 106 is slidably connected on the inner channel fixed disc 111 with hole, and the both ends of inner channel guide slide rod 106 are fixedly connected with inner channel sealing arc plate 107 and inner channel push disc 108 respectively, and the inner channel guide slide rod 106 is sleeved with inner channel jacking spring 109, specifically, the aeration port is formed in the joint end of intake side tube 104 and intake ball tube 103, the both ends of inner channel jacking spring 109 are abutted on inner channel push disc 108 and inner channel fixed disc 111 with hole respectively, and inner channel jacking spring 109 plays the role of jacking, and inner channel sealing arc plate 107 seals the aeration port of the joint of intake side tube 104 and intake ball tube 103, and through the jacking of inner channel jacking spring 109, inner channel sealing arc plate 107 seals the aeration port of the joint of intake side tube 104 and intake ball tube 103, through this way, when sending high pressure air into inner gas supply channel subassembly 1, the intake side tube 104 for using as gas channel is in natural sealing state, when sending high pressure gas into inner gas supply channel subassembly 1, the intake side tube 104 for using as air channel is in natural sealing state, through this way, guarantee the safety and reliability of three -way cyclone combustor when using.

[0035] The outer part of the inner gas supply channel assembly 1 is provided with a middle gas supply channel assembly 2; the middle gas supply channel assembly 2 comprises a middle gas supply channel 201, one end of the middle gas supply channel 201 is fixedly connected with a middle cyclone plate 202, and the other end of the middle gas supply channel 201 is fixedly connected with a gas inlet pipe 203 and a pressure relief top pipe 204, a pressure relief structure is connected to the pressure relief top pipe 204, specifically, the pressure relief structure comprises a pressure relief hole 205 and a hole inner disc table 206 arranged on the pressure relief top pipe 204, and the outer part and the top of the pressure relief top pipe 204 are provided with a sealing ring pipe 207 and a top cap pipe 209, the top cap pipe 209 is slidingly connected with a middle guide sliding rod 211 through a cap pipe sliding hole 210 penetrating the top cap pipe 209, the two ends of the middle guide sliding rod 211 are respectively fixedly connected with a middle limiting ball head 214 and a middle sealing disc 212, and a middle jacking spring 213 is sleeved on the middle guide sliding rod 211, a gas outlet pipe 208 is arranged on the sealing ring pipe 207, specifically, the two ends of the middle jacking spring 213 abut against the top cap pipe 209 and the middle sealing disc 212 respectively, the middle jacking spring 213 plays a jacking role, and the middle sealing disc 212 blocks the air hole on the hole inner disc table 206 in the pressure relief top pipe 204, the gas inlet pipe 203 penetrates the channel of the outer gas supply channel 301, and the pressure relief top pipe 204 penetrates the channel of the outer gas supply channel 301, when the gas pressure in the middle gas supply channel assembly 2 is too large, the pressure relief top pipe 204 can automatically relieve pressure, avoiding too fast injection when the gas pressure is too large, thereby avoiding uneven mixing of subsequent gas and air, and ensuring that the gas can be injected at low speed.

[0036] The outer part of the middle gas supply channel assembly 2 is provided with an outer gas supply channel assembly 3, the outer gas supply channel assembly 3 comprises an outer gas supply channel 301, one end of the outer gas supply channel 301 is provided with an outer cyclone plate 302, and the other end of the outer gas supply channel 301 is provided with an outer channel air inlet pipe 303, the inner gas supply channel 101 is arranged inside the middle cyclone plate 202 on the middle gas supply channel assembly 2, and the outer part of the middle gas supply channel 201 is arranged inside the outer cyclone plate 302 on the outer gas supply channel assembly 3, in this way, a three-channel cyclone combustion structure is formed, and the outer part and the inner part of the middle gas supply channel assembly 2 form air supply structures at the same time, ensuring the reliability and sufficiency of combustion, and the three channels are provided with cyclone blades, which continuously inject low-speed air and gas during work, increasing the mixing degree and combustion effect inside the gas.

[0037] The working principle of the three-channel cyclone burner is as follows:

[0038] S1, the inner gas supply channel assembly 1 provides gas before initial ignition, the inner gas supply channel assembly 1 provides air after initial ignition, the middle gas supply channel assembly 2 always provides gas, and the outer gas supply channel assembly 3 always provides air, forming a three-channel rotational flow combustion structure, and the outer part and the inner part of the middle gas supply channel assembly 2 form air supply structures at the same time;

[0039] S2, rotational flow vanes are arranged in the three channels, low-speed air and gas are continuously sprayed during operation, the mixing degree and the combustion effect of the gas inside are increased, and the middle gas supply channel 201 is provided with a pressure relief top pipe 204, the pressure relief top pipe 204 is provided with a pressure relief hole 205 and a hole inner disc table 206, the middle sealing disc 212 blocks the air holes on the hole inner disc table 206 in the pressure relief top pipe 204 through the clamping of the middle top spring 213, and when the gas pressure in the middle gas supply channel assembly 2 is too large, the pressure relief top pipe 204 can automatically relieve pressure to avoid too fast injection when the gas pressure is too large;

[0040] S3, the two sides of the air inlet bulb pipe 103 are fixedly connected with air inlet side pipes 104, the two air inlet side pipes 104 are used as air inlet pipes and gas inlet pipes respectively, the hole inner channel fixed disc 111 is fixedly connected with the inner channel fixed plate 110 in the air inlet side pipe 104, and the inner channel sealing arc plate 107 blocks the air holes at the joint of the air inlet side pipe 104 and the air inlet bulb pipe 103 through the clamping of the inner channel clamping spring 109.

[0041] Specifically, in the working principle S3 of the three-channel rotational flow burner, when high-pressure air is sent into the inner gas supply channel assembly 1, the air inlet side pipe 104 used as a gas channel is in a natural blocking state, and when high-pressure gas is sent into the inner gas supply channel assembly 1, the air inlet side pipe 104 used as an air channel is in a natural blocking state.

[0042] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, and these should be covered in the protection scope of the present application.

Claims

1. A three-channel swirl burner, characterized in that, The system includes an internal air supply channel assembly (1), characterized in that: the internal air supply channel assembly (1) includes an internal air supply channel (101), one end of which is fixedly connected to an internal air supply swirl plate (102), and the other end of which is fixedly connected to an inlet balloon tube (103), both sides of which are fixedly connected to inlet side pipes (104), and the ends of the inlet side pipes (104) are fixedly connected to inlet flanges (104). 5), and the intake side pipe (104) is fixedly connected to the perforated inner channel fixing plate (111) through the inner channel fixing cross plate (110). The perforated inner channel fixing plate (111) is slidably connected to the inner channel guide slide rod (106). The inner channel guide slide rod (106) is fixedly connected to the inner channel sealing arc plate (107) and the inner channel push plate (108) at both ends respectively. The inner channel guide slide rod (106) is fitted with an inner channel tightening spring (109). The internal gas supply channel assembly (1) is externally provided with a central gas supply channel assembly (2); the central gas supply channel assembly (2) includes a central gas supply channel (201), one end of which is fixedly connected to a central swirl plate (202), and the other end of which is fixedly connected to a gas inlet pipe (203) and a pressure relief top pipe (204). A pressure relief structure is connected to the pressure relief top pipe (204); the pressure relief structure includes a pressure relief hole (205) and a perforated inner plate (206) provided on the pressure relief top pipe (204), and a sealing ring pipe (207) and a top cap pipe (209) are provided on the outside and top of the pressure relief top pipe (204). A central guide slide rod (211) is slidably connected through a cap pipe sliding hole (210) on the top cap pipe (209). 11) A middle limiting ball head (214) and a middle sealing disc (212) are fixedly connected at both ends, and a middle tightening spring (213) is sleeved on the middle guide slide rod (211). A gas outlet pipe (208) is provided on the sealing ring tube (207). The two ends of the middle tightening spring (213) abut against the top cap tube (209) and the middle sealing disc (212) respectively. The middle tightening spring (213) plays a tightening role, and the middle sealing disc (212) blocks the vent hole on the perforated inner plate (206) inside the pressure relief top pipe (204). The inner gas supply channel (101) is set outside the middle swirl plate (202) on the middle gas supply channel assembly (2), and the outer side of the middle gas supply channel (201) is set inside the outer swirl plate (302) on the outer gas supply channel assembly (3). The central air supply channel assembly (2) is provided with an external air supply channel assembly (3). The external air supply channel assembly (3) includes an external air supply channel (301). One end of the external air supply channel (301) is provided with an external swirl plate (302), and the other end of the external air supply channel (301) is provided with an external channel air intake pipe (303).

2. A three-channel swirl burner according to claim 1, characterized in that, The air inlet side pipe (104) and the air inlet balloon pipe (103) are connected to form an air vent, and the two ends of the inner channel pressing spring (109) abut against the inner channel pushing plate (108) and the perforated inner channel fixing plate (111), respectively.

3. A three-channel swirl burner according to claim 1, characterized in that, The inner channel tightening spring (109) provides a tightening function, and the inner channel sealing arc plate (107) blocks the air vent at the connection between the air inlet side pipe (104) and the air inlet balloon pipe (103).

4. A three-channel swirl burner according to claim 1, characterized in that, The gas inlet pipe (203) passes through the external gas supply channel (301), and the pressure relief jacking pipe (204) passes through the external gas supply channel (301).

5. A three-channel swirl burner according to claim 1, characterized in that, The sealing ring tube (207) is disposed outside the perforated inner plate (206) with a pressure relief hole (205), and the sealing ring tube (207) surrounds the pressure relief hole (205).

6. The method of using a three-channel swirl burner according to claim 1, characterized in that, Includes the following steps: S1. Before initial ignition, the internal gas supply channel assembly (1) provides gas. After initial ignition, the internal gas supply channel assembly (1) provides air. The middle gas supply channel assembly (2) always provides gas, and the external gas supply channel assembly (3) always provides air, forming a three-channel swirling combustion structure. When used simultaneously, the external and internal parts of the middle gas supply channel assembly (2) form an air supply structure. S2. Swirl blades are installed in all three channels to continuously spray low-speed air and gas during operation, increasing the mixing degree and combustion effect inside the gas. At the same time, a pressure relief pipe (204) is installed at the top of the middle gas supply channel (201). The pressure relief pipe (204) is equipped with a pressure relief hole (205) and a perforated inner plate (206). By tightening the middle clamping spring (213), the middle sealing plate (212) blocks the vent hole on the perforated inner plate (206) inside the pressure relief pipe (204). When the gas pressure inside the middle gas supply channel assembly (2) is too high, it can be automatically depressurized through the pressure relief pipe (204) to avoid excessively rapid injection when the gas pressure is too high. S3. Both sides of the air inlet tube (103) are fixedly connected to the air inlet side tube (104). When the two air inlet side tubes (104) are used as air inlet tubes and gas inlet tubes respectively, the air inlet side tube (104) is fixedly connected to the perforated inner channel fixing plate (111) through the inner channel fixing plate (110). Through the tightening of the inner channel pressing spring (109), the inner channel sealing arc plate (107) blocks the air vent at the connection between the air inlet side tube (104) and the air inlet tube (103).

7. The method of using a three-channel swirl burner according to claim 6, characterized in that, In the working principle S3 of the three-channel swirl burner: when high-pressure air is supplied into the internal gas supply channel assembly (1), the side air inlet pipe (104) used as the gas channel is in a naturally blocked state. When high-pressure gas is supplied into the internal gas supply channel assembly (1), the side air inlet pipe (104) used as the air channel is in a naturally blocked state.

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