Flue gas double-backflow type industrial burner

Abstract

The utility model discloses a flue gas double-backflow type industrial combustor which comprises a combustor body, a combustion bin, an exhaust pipe, an adjusting bin and a backflow pipe, the combustor body is connected with the combustion bin through a mixing frame, the exhaust pipe is fixedly connected to the right side of the combustion bin, the adjusting bin is fixedly connected with the exhaust pipe, and the backflow pipe is fixedly connected with the adjusting bin. And the return pipe is fixedly connected with the adjusting bin. According to the flue gas double-backflow type industrial combustor, the combustor body, the combustion bin, the mixing frame, the exhaust pipe, the adjusting bin and the backflow pipe are matched with one another, an electric push rod pushes a push plate to move rightwards, and under pulling of a connecting rod, an adjusting baffle is driven to rotate with a rotating shaft connected with a mounting block as the circle center; by adjusting the baffle plate, the separation angle between the baffle plate and the exhaust pipe is adjusted, so that the recovery amount of smoke dust is adjusted, corresponding adjustment is performed according to use requirements, the oxygen content in the combustion bin is reduced, the combustion efficiency is improved, and the emission of nitrogen oxides is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of industrial burners, in particular to a flue gas double-reflux industrial burner. Background Art

[0002] In recent years, my country's economy has grown rapidly, energy consumption has increased significantly, and the resulting environmental pollution problems have become increasingly severe. At present, my country's environmental protection department has increasingly stringent requirements for pollutant emissions from combustion. To this end, reducing nitrogen oxide emissions is one of the main goals of current burner design.

[0003] Publication (Announcement) No.: CN218523557U, a flue gas double recirculation burner disclosed, including a combustion chamber, a burner is fixedly installed on one side of the combustion chamber, a motor is movably connected to the outer surface of the burner, a recirculation pipe is fixedly installed on the top of the burner, a discharge pipe is fixedly installed on one side of the combustion chamber, and the discharge pipe is fixedly connected to the recirculation pipe. When the utility model is in use, through the air guide device provided, when the burner is in use, the first fan driven by the motor can be rotated through the diverter bucket; the generated air is separated, a part of which is blown out of the rotating air through the middle pipe of the diverter bucket through the angled blades in the middle of the inner air guide, and a part of which is blown directly from the outside of the diverter bucket to the angled blades of the outer air guide to blow out the rotating air, so that the natural gas coming out of the natural gas combustion pipe can be fully in contact with the air, thereby improving the combustion level of the natural gas.

[0004] However, the flue gas double recirculation type industrial burner disclosed above cannot control the amount of recirculated flue gas according to usage requirements, thereby affecting the user experience. Therefore, it is necessary to propose a flue gas double recirculation type industrial burner. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model provides a flue gas double-reflux industrial burner.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A flue gas double-recirculation type industrial burner comprises: a burner and a combustion chamber, wherein the burner and the combustion chamber are connected via a mixing frame;

[0008] An exhaust pipe, the exhaust pipe is fixedly connected to the right side of the combustion chamber;

[0009] A regulating chamber, wherein the regulating chamber is fixedly connected to the exhaust pipe;

[0010] A reflux pipe is fixedly connected to the regulating chamber.

[0011] The above-mentioned flue gas double-recirculation industrial burner, wherein the bottom of the burner is fixedly connected with an air inlet pipe;

[0012] An air intake butterfly valve is installed on the surface of an air intake pipe.

[0013] The above-mentioned flue gas double recirculation type industrial burner, wherein the mixing frame comprises:

[0014] A hybrid sleeve, the interior of which is fixedly connected to the limited position rail;

[0015] A connecting sleeve, the connecting sleeve being rotatable inside the limiting rail;

[0016] A stirring block, wherein the stirring block is fixedly connected to the inner wall of the mixing sleeve;

[0017] A conversion gear ring is fixedly connected to the surface of the mixing shaft sleeve.

[0018] The above-mentioned flue gas double recirculation type industrial burner, wherein a heat insulation board is fixedly connected to the top of the combustion chamber;

[0019] A rotating motor, wherein the rotating motor is fixedly connected to the top of the heat insulation board;

[0020] A rotating gear is fixedly connected to the output shaft of the rotating motor, and the rotating gear is meshed with the conversion gear ring.

[0021] The above-mentioned flue gas double-recirculation industrial burner, wherein a mounting block is fixedly connected to the inside of the regulating chamber;

[0022] An adjusting baffle, wherein the adjusting baffle is connected to the mounting block via a rotating shaft;

[0023] A movable groove, wherein the movable groove is provided on the surface of the adjusting baffle;

[0024] The movable block is movable inside the movable groove.

[0025] The above-mentioned flue gas double-recirculation industrial burner, wherein the right side of the regulating chamber is fixedly connected with an electric push rod;

[0026] A push plate, the push plate is fixedly connected to the electric push rod;

[0027] A connecting rod, wherein the connecting rod is fixedly connected to the push plate;

[0028] A connecting frame, wherein the connecting frame is fixedly connected to the connecting rod;

[0029] A connecting rod connects the movable block with the connecting frame.

[0030] The above-mentioned flue gas double-return industrial burner, wherein an air suction bin is installed on the surface of the reflow pipe;

[0031] An air suction fan, the air suction fan is fixedly connected to the interior of the air suction bin;

[0032] A dustproof net is fixedly connected to the interior of the air suction bin.

[0033] The above-mentioned flue gas double-return industrial burner, wherein the top of the regulating chamber is fixedly connected with a smoke exhaust pipe;

[0034] An activated carbon box is sleeved on the top of the smoke exhaust pipe.

[0035] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0036] 1. The utility model realizes a flue gas double-reflux industrial burner by the mutual cooperation between the burner, the combustion chamber, the mixing frame, the exhaust pipe, the regulating chamber and the reflux pipe. The electric push rod pushes the push plate to move right, and under the pull of the connecting rod, the regulating baffle is driven to rotate with the rotating shaft connected to the mounting block as the center, so as to adjust the separation angle between the baffle and the exhaust pipe, thereby adjusting the recovery amount of smoke, so as to make corresponding adjustments according to the use requirements, thereby reducing the oxygen content in the combustion chamber, improving the combustion efficiency, and reducing the emission of nitrogen oxides.

[0037] 2. In the present invention, the air intake butterfly valve is used to control the content of the incoming air so as to control the amount of flame sprayed by the burner.

[0038] 3. In the present invention, a mixing rack is provided to fully mix the air in the burner with the recovered flue gas, further improving the combustion effect.

[0039] 4. In the present invention, the activated carbon box is provided to filter the impurities in the emitted smoke and dust to prevent the smoke and dust from polluting the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 It is a structural cross-sectional view of the main view of the utility model;

[0041] Figure 2 This is a structural cross-sectional view of the regulating chamber of the utility model;

[0042] Figure 3 It is an exploded view of the hybrid frame of the utility model;

[0043] Figure 4 It is a three-dimensional schematic diagram of the adjusting baffle and the movable groove of the utility model;

[0044] Figure 5 It is a cross-sectional view of the mixing bin and the disc of the utility model.

[0045] In the figure:

[0046] 1 burner, 2 combustion chamber, 3 mixing frame, 301 mixing shaft sleeve, 302 limit rail, 303 connecting sleeve, 304 stirring block, 305 conversion gear ring, 4 exhaust pipe, 5 adjustment chamber, 6 return pipe, 7 intake pipe, 8 intake butterfly valve, 9 insulation board, 10 rotating motor, 11 rotating gear, 12 mounting block, 13 adjusting baffle, 14 movable groove, 15 movable block, 16 electric push rod, 17 push plate, 18 connecting rod, 19 connecting frame, 20 connecting rod, 21 suction chamber, 22 suction fan, 23 dust net, 24 exhaust pipe, 25 activated carbon box, 26 mixing chamber, 27 disc. DETAILED DESCRIPTION

[0047] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0048] Embodiment 1

[0049] like Figure 1-4 As shown, a flue gas double-recirculation type industrial burner comprises: a burner 1 and a combustion chamber 2, and an air inlet pipe 7 is fixedly connected to the bottom of the burner 1.

[0050] The air intake butterfly valve 8 is installed on the surface of the air intake pipe 7 and is used to control the content of the incoming air so as to control the amount of flame sprayed by the burner 1.

[0051] A heat insulation plate 9 is fixedly connected to the top of the combustion chamber 2 to prevent the heat in the combustion chamber 2 from being transferred to the rotating motor 10 and causing damage to the rotating motor 10 .

[0052] The rotating motor 10 is fixedly connected to the top of the heat insulation board 9 .

[0053] The rotating gear 11 is fixedly connected to the output shaft of the rotating motor 10 , and the rotating gear 11 is meshed with the conversion gear ring 305 .

[0054] The burner 1 is connected to the combustion chamber 2 through a mixing frame 3, and the mixing frame 3 includes:

[0055] A hybrid sleeve 301 , the interior of which is fixedly connected to a limited position rail 302 .

[0056] The connecting sleeve 303 can rotate inside the limiting rail 302 .

[0057] The stirring block 304 is fixedly connected to the inner wall of the mixing sleeve 301 .

[0058] The conversion gear ring 305 is fixedly connected to the surface of the mixing sleeve 301, and fully mixes the air in the burner 1 with the recovered flue gas, further improving the combustion effect.

[0059] Exhaust pipe 4, exhaust pipe 4 is fixedly connected to the right side of combustion chamber 2.

[0060] The regulating chamber 5 is fixedly connected to the exhaust pipe 4 , and a mounting block 12 is fixedly connected inside the regulating chamber 5 .

[0061] The baffle plate 13 is adjusted and connected to the mounting block 12 via a rotating shaft.

[0062] The movable groove 14 is formed on the surface of the regulating baffle 13 .

[0063] The movable block 15 can move inside the movable groove 14 .

[0064] The right side of the regulating chamber 5 is fixedly connected with an electric push rod 16 .

[0065] The push plate 17 is fixedly connected to the electric push rod 16 .

[0066] The connecting rod 18 is fixedly connected to the push plate 17 .

[0067] The connecting frame 19 is fixedly connected to the connecting rod 18.

[0068] The connecting rod 20 connects the movable block 15 with the connecting frame 19, and the electric push rod 16 pushes the push plate 17 to move right. Under the pull of the connecting rod 20, the adjusting baffle 13 is driven to rotate with the rotating shaft connected to the mounting block 12 as the center, thereby adjusting the separation angle between the adjusting baffle 13 and the exhaust pipe 4, thereby adjusting the recovery amount of smoke, so as to make corresponding adjustments according to usage requirements, thereby reducing the oxygen content in the combustion chamber 2, improving combustion efficiency, and reducing nitrogen oxide emissions.

[0069] A smoke exhaust pipe 24 is fixedly connected to the top of the regulating chamber 5 .

[0070] The activated carbon box 25 is sleeved on the top of the smoke exhaust pipe 24 to filter impurities in the emitted smoke and dust to prevent the smoke and dust from polluting the air.

[0071] The reflux pipe 6 is fixedly connected to the regulating chamber 5 , and an air suction chamber 21 is installed on the surface of the reflux pipe 6 .

[0072] The air suction fan 22 is fixedly connected to the interior of the air suction bin 21, which accelerates the recovery rate of the smoke and improves the reaction speed.

[0073] The dustproof net 23 is fixedly connected to the inside of the air suction bin 21 to filter the impurities in the returned smoke and dust, thereby ensuring the cleanliness of the returned smoke and dust.

[0074] Embodiment 2

[0075] like Figure 1-5 As shown, a flue gas double-recirculation type industrial burner comprises: a burner 1 and a combustion chamber 2, and an air inlet pipe 7 is fixedly connected to the bottom of the burner 1.

[0076] The air intake butterfly valve 8 is installed on the surface of the air intake pipe 7 and is used to control the content of the incoming air so as to control the amount of flame sprayed by the burner 1.

[0077] The burner 1 is connected to the combustion chamber 2 via a mixing chamber 26, and a disc 27 is connected to the interior of the mixing chamber 26 via a rotating shaft. The mixed gas blows the disc 27 to rotate, fully mixing the air and the recovered smoke gas, thereby improving the combustion effect.

[0078] Exhaust pipe 4, exhaust pipe 4 is fixedly connected to the right side of combustion chamber 2.

[0079] The regulating chamber 5 is fixedly connected to the exhaust pipe 4 , and a mounting block 12 is fixedly connected inside the regulating chamber 5 .

[0080] The baffle plate 13 is adjusted and connected to the mounting block 12 via a rotating shaft.

[0081] The movable groove 14 is formed on the surface of the regulating baffle 13 .

[0082] The movable block 15 can move inside the movable groove 14 .

[0083] The right side of the regulating chamber 5 is fixedly connected with an electric push rod 16 .

[0084] The push plate 17 is fixedly connected to the electric push rod 16 .

[0085] The connecting rod 18 is fixedly connected to the push plate 17 .

[0086] The connecting frame 19 is fixedly connected to the connecting rod 18.

[0087] The connecting rod 20 connects the movable block 15 with the connecting frame 19, and the electric push rod 16 pushes the push plate 17 to move right. Under the pull of the connecting rod 20, the adjusting baffle 13 is driven to rotate with the rotating shaft connected to the mounting block 12 as the center, thereby adjusting the separation angle between the adjusting baffle 13 and the exhaust pipe 4, thereby adjusting the recovery amount of smoke, so as to make corresponding adjustments according to usage requirements, thereby reducing the oxygen content in the combustion chamber 2, improving combustion efficiency, and reducing nitrogen oxide emissions.

[0088] A smoke exhaust pipe 24 is fixedly connected to the top of the regulating chamber 5 .

[0089] The activated carbon box 25 is sleeved on the top of the smoke exhaust pipe 24 to filter impurities in the emitted smoke and dust to prevent the smoke and dust from polluting the air.

[0090] The reflux pipe 6 is fixedly connected to the regulating chamber 5 , and an air suction chamber 21 is installed on the surface of the reflux pipe 6 .

[0091] The air suction fan 22 is fixedly connected to the interior of the air suction bin 21, which accelerates the recovery rate of the smoke and improves the reaction speed.

[0092] The dustproof net 23 is fixedly connected to the inside of the air suction bin 21 to filter the impurities in the returned smoke and dust, thereby ensuring the cleanliness of the returned smoke and dust.

[0093] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0094] The utility model provides a flue gas double-return industrial burner. When in use, air is introduced into the burner 1 through the air inlet pipe 7, and ignited in the combustion chamber 2 by the burner 1. The generated smoke gas enters the adjustment chamber 5 through the exhaust pipe 4. The electric push rod 16 pushes the push plate 17 to move right. Under the pull of the connecting rod 20, the adjustment baffle 13 is driven to rotate with the rotating shaft connected to the mounting block 12 as the center of the circle, so as to adjust the separation angle between the adjustment baffle 13 and the exhaust pipe 4, so as to adjust the recovery amount of smoke, which is sucked into the burner 1 through the reflux pipe 6 and the suction fan 22, and mixed with the air entering through the air inlet pipe 7, thereby improving the combustion efficiency.

[0095] In summary, the flue gas double-return industrial burner solves the problems mentioned in the background technology by the mutual cooperation among the burner 1, the combustion chamber 2, the mixing frame 3, the exhaust pipe 4, the regulating chamber 5 and the reflow pipe 6.

[0096] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flue gas double recirculation type industrial burner, comprising: The burner (1) and the combustion chamber (2) are characterized in that the burner (1) and the combustion chamber (2) are connected via a mixing frame (3); An exhaust pipe (4), the exhaust pipe (4) being fixedly connected to the right side of the combustion chamber (2); An adjustment chamber (5), wherein the adjustment chamber (5) is fixedly connected to the exhaust pipe (4); A reflux pipe (6), wherein the reflux pipe (6) is fixedly connected to the regulating chamber (5).

2. A flue gas double recirculation type industrial burner according to claim 1, characterized in that: An air inlet pipe (7) is fixedly connected to the bottom of the burner (1); An air intake butterfly valve (8), wherein the air intake butterfly valve (8) is mounted on the surface of the air intake pipe (7).

3. A flue gas double recirculation type industrial burner according to claim 2, characterized in that: The mixing frame (3) comprises: A hybrid sleeve (301), the interior of the hybrid sleeve (301) being fixedly connected to a limited position rail (302); A connecting sleeve (303), wherein the connecting sleeve (303) can rotate inside the limiting rail (302); A stirring block (304), wherein the stirring block (304) is fixedly connected to the inner wall of the mixing shaft sleeve (301); A conversion gear ring (305), wherein the conversion gear ring (305) is fixedly connected to the surface of the mixing shaft sleeve (301).

4. A flue gas double recirculation type industrial burner according to claim 3, characterized in that: A heat insulation board (9) is fixedly connected to the top of the combustion chamber (2); A rotating motor (10), wherein the rotating motor (10) is fixedly connected to the top of the heat insulation board (9); A rotating gear (11), wherein the rotating gear (11) is fixedly connected to an output shaft of the rotating motor (10), and the rotating gear (11) is meshed with a conversion gear ring (305).

5. The flue gas double recirculation type industrial burner according to claim 4, characterized in that: A mounting block (12) is fixedly connected to the interior of the regulating chamber (5); An adjusting baffle (13), wherein the adjusting baffle (13) is connected to the mounting block (12) via a rotating shaft; A movable groove (14), wherein the movable groove (14) is formed on the surface of the adjusting baffle (13); A movable block (15) is movable inside the movable groove (14).

6. The flue gas double recirculation type industrial burner according to claim 5, characterized in that: The right side of the regulating chamber (5) is fixedly connected with an electric push rod (16); A push plate (17), wherein the push plate (17) is fixedly connected to the electric push rod (16); A connecting rod (18), wherein the connecting rod (18) is fixedly connected to the push plate (17); A connecting frame (19), wherein the connecting frame (19) is fixedly connected to the connecting rod (18); A connecting rod (20) connects the movable block (15) and the connecting frame (19).

7. The flue gas double recirculation type industrial burner according to claim 6, characterized in that: An air suction bin (21) is installed on the surface of the return pipe (6); An air suction fan (22), the air suction fan (22) being fixedly connected to the interior of the air suction bin (21); A dustproof net (23), wherein the dustproof net (23) is fixedly connected to the interior of the air suction bin (21).

8. The flue gas double recirculation type industrial burner according to claim 7, characterized in that: A smoke exhaust pipe (24) is fixedly connected to the top of the regulating chamber (5); An activated carbon box (25), wherein the activated carbon box (25) is sleeved on the top of the smoke exhaust pipe (24).

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