CN215523279U

CN215523279U - Premixing stirring type combustor

Info

Publication number: CN215523279U
Application number: CN202121031972.9U
Authority: CN
Inventors: 王丽
Original assignee: Maisi Environmental Protection Equipment Tianjin Co ltd
Current assignee: Maisi Environmental Protection Equipment Tianjin Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2022-01-14
Anticipated expiration: 2031-05-14

Abstract

The embodiment of the utility model discloses a premixing and stirring type combustor, which belongs to the technical field of combustors and comprises a pouring shell, wherein a high-temperature combustion groove is formed in the surface of one side of the pouring shell, a premixing combustion mechanism is arranged on one side of the pouring shell, the premixing combustion mechanism comprises a mixing combustion box, the mixing combustion box is arranged in the high-temperature combustion groove, an ignition electrode is fixedly arranged at the top of the mixing combustion box, and a gas nozzle is fixedly arranged on one side of the mixing combustion box. According to the utility model, the premixing combustion mechanism is arranged, the high-temperature resistant casting shell and the dual mixing combustion are adopted, the combustion temperature can be increased, the excellent mixing function is achieved, the advanced premixing technology is adopted, the gas and the air are fully mixed, the full combustion of the gas can be realized, the content of carbon monoxide and nitrogen generated by combustion can be reduced, the low emission is favorable for environmental protection.

Description

Premixing stirring type combustor

Technical Field

The embodiment of the utility model relates to the technical field of combustors, in particular to a premixing stirring type combustor.

Background

The burner is a general term for a device that injects fuel and air in a certain manner for mixed combustion. The burners are divided into industrial burners, combustion engines, civil burners and special burners according to types and application fields, and are made of stainless steel or metal titanium and other corrosion-resistant and high-temperature-resistant materials. The burner functions to atomize the sample by flame combustion. The atomized test solution enters a burner, and under the action of flame temperature and flame atmosphere, a large amount of ground state atoms and part of excited state atoms, ions and molecules are generated through the processes of drying, melting, evaporating, dissociating and the like. In its operating principle, a burner can be defined as a device that converts a substance into heat energy by a chemical reaction, i.e., combustion, i.e., air and fuel are mixed in a proper ratio by a premixing device to be sufficiently combusted. The burners have various classification methods according to their different attributes.

Most combustors on the existing market directly burn in the air, the air and gas are not sufficiently mixed, the requirement of temperature cannot be met under the condition of some high-temperature burning requirements, the temperature is insufficient due to insufficient mixing with the air, and meanwhile, nitrogen and carbon monoxide are generated due to insufficient burning, so that the environment pollution is caused.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a premixing and stirring type combustor, which has an excellent mixing function by arranging a premixing combustion mechanism, a high-temperature resistant casting shell and double mixing combustion can improve the combustion temperature, and an advanced premixing technology is used, so that the sufficient combustion of gas can be realized by the sufficient mixing of the gas and air, the sufficient combustion of the gas can reduce the content of carbon monoxide and nitrogen generated by combustion, the low emission is beneficial to environmental protection, and the problems that in the prior art, most combustors on the market at present directly combust in the air, the air and the gas are not sufficiently mixed, the requirements on the temperature cannot be met under the condition of high-temperature combustion requirement, the temperature is insufficient due to insufficient mixing with the air, and the environment pollution is caused due to the generation of nitrogen and carbon monoxide due to insufficient combustion are solved.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions: a premixing and stirring type combustor comprises a pouring shell, wherein a high-temperature combustion groove is formed in the surface of one side of the pouring shell, and a premixing combustion mechanism is arranged on one side of the pouring shell;

the premixed combustion mechanism comprises a mixed combustion box which is arranged in the high-temperature combustion groove, an ignition electrode is fixedly arranged at the top of the mixed combustion box, a gas nozzle is fixedly arranged at one side of the mixed combustion box, the surface of one side of the gas nozzle is provided with dispersion holes, the other side of the gas nozzle penetrates through the mixed combustion box and extends into the mixed combustion box, a gas delivery pipe is fixedly arranged at the other side of the gas nozzle, a mixing branch pipe is fixedly arranged at the outer side of the gas delivery pipe, a gas inlet pipe is fixedly arranged at one side of the gas conveying pipe, an air dispersion pipe is fixedly arranged at the outer side of the gas inlet pipe, a channel pipe is fixedly connected at the joint of the air dispersion pipe and the mixed combustion box, the inner wall of the air dispersion pipe is fixedly provided with fixed fan blades, the bottom of the fixed fan blade is fixedly provided with a connecting block, and the top of the air dispersion pipe is fixedly provided with a vent pipe.

Further, pour and be equipped with disassembly body between casing and the mixed combustion case, disassembly body includes first flange board, first flange inboard and mixed combustion case fixed connection.

Furthermore, a second flange plate is arranged on one side of the first flange plate, and threaded holes are formed in the surfaces of one side of the first flange plate and one side of the second flange plate.

Furthermore, one side of the second flange plate is fixedly connected with one side of the pouring shell, a screw rod is arranged in the threaded hole, and the screw rod is in threaded connection with the threaded hole.

Further, the quantity of fixed flabellum, mixing branch pipe and dispersion hole all sets up to a plurality ofly, and is a plurality of mixing branch pipe evenly distributed is in the gas conveyer pipe outside.

Furthermore, one side of the gas conveying pipe penetrates through the mixing combustion box, the channel pipe and the air dispersion pipe in sequence and extends into the air dispersion pipe.

Further, the cross section of the channel pipe is shaped like a funnel, and the bottom of the gas inlet pipe penetrates through the air dispersion pipe and extends to the bottom of the air dispersion pipe.

The embodiment of the utility model has the following advantages:

1. through setting up the premix burning mechanism, the air dispersion pipe inserts the outside air pipe, the air passes through the entering air dispersion pipe of the fixed flabellum homodisperse of fixing at the air dispersion intraductal wall, the gas intake pipe is connected to the outside gas pipeline, the gas gets into the gas conveyer pipe, a plurality of mixing branch pipes discharge the gas into the mixed combustion case, the air gets into the mixed combustion case simultaneously, the gas can carry out the flash mixed with the air that passes through, the ignition electrode ignites afterwards, make the gas burn, simultaneously gas shower nozzle spun gas and the air of high temperature combustion inslot exhale and burn, compared with the prior art, the high temperature resistant casing of pouring and the dual mixed combustion can improve the temperature of burning, have outstanding mixed function, use advanced premix technology, the abundant burning of gas can be realized to the intensive mixing of gas and air, the full combustion of the fuel gas can reduce the content of carbon monoxide and nitrogen gas generated by combustion, and the low emission is beneficial to environmental protection.

2. Through setting up the disassembly body, when dismantling, at first the screw rod of the screw hole inside of rotatory first flange board and second flange board side surface, simultaneously because screw rod and screw hole threaded connection, make the screw rod screw out from the screw hole, thereby make first flange board separate on second flange board and pouring the casing with second flange board fixed connection, only need make first flange board and second flange board separation through simple rotatory screw rod, easy operation is convenient, the speed of maintenance and maintenance has been improved greatly, easy maintenance after the combustor damages.

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 description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic side view of the present invention;

in the figure: 1. casting the shell; 2. a high temperature combustion tank; 3. a mixed combustion box; 4. an ignition electrode; 5. a gas burner; 6. a dispersion hole; 7. a gas delivery pipe; 8. a mixing branch pipe; 9. a gas inlet pipe; 10. an air dispersion tube; 11. a passage tube; 12. fixing the fan blades; 13. connecting blocks; 14. a gas permeable pipe; 15. a first flange plate; 16. a second flange plate; 17. a threaded hole; 18. a screw.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached figures 1-4 of the specification, the premixing and stirring type combustor comprises a pouring shell 1, wherein a high-temperature combustion groove 2 is formed in the surface of one side of the pouring shell 1, and a premixing combustion mechanism is arranged on one side of the pouring shell 1.

Premixed combustion mechanism is including mixing combustion box 3, mix combustion box 3 and set up inside 2 high temperature combustion groove, mix 3 fixed ignition electrodes 4 that are equipped with in top of combustion box, mix 3 one side of combustion box and fix and be equipped with

gas shower nozzle

5, 5 side surfaces of gas shower nozzle are equipped with

dispersion hole

6, 5 opposite sides of gas shower nozzle run through mix combustion box 3 and extend to mix combustion box 3 inside, 5 opposite sides of gas shower nozzle are fixed and are equipped with gas conveyer pipe 7, the fixed mixed branch pipe 8 that is equipped with in gas conveyer pipe 7 outside, 7 one side of gas conveyer pipe is fixed and is equipped with gas intake pipe 9, the fixed air dispersion pipe 10 that is equipped with in gas intake pipe 9 outside, air dispersion pipe 10 and the junction fixedly connected with passageway pipe 11 that mixes combustion box 3, the fixed flabellum 12 that is equipped with of air dispersion pipe 10 inner wall, the fixed connecting block 13 that is equipped with in fixed flabellum 12 bottom, the fixed venthole 14 that is equipped with in air dispersion pipe 10 top.

As shown in the attached figures 1, 3 and 4, the fixed fan blades 12, the mixing branch pipes 8 and the dispersing holes 6 are all arranged in a plurality, and the mixing branch pipes 8 are uniformly distributed outside the gas conveying pipe 7, so that the mixing effect of gas and air in the premixing combustion mechanism is improved.

As shown in fig. 1, one side of the gas delivery pipe 7 penetrates the mixed combustion box 3, the passage pipe 11 and the air dispersion pipe 10 in sequence and extends to the inside of the air dispersion pipe 10, so that the gas can reach the mixed combustion box 3 through the gas delivery pipe 7.

As shown in fig. 1-3, the cross section of the channel tube 11 is funnel-shaped, the bottom of the gas inlet tube 9 penetrates through the air dispersion tube 10 and extends to the bottom of the air dispersion tube 10, and the funnel-shaped channel tube 11 facilitates the air to enter the mixing combustion box 3, so as to further improve the mixing effect of the air and the gas.

The implementation mode is specifically as follows: through setting up the premix burning mechanism, connect air dispersion pipe 10 into outside air pipe, fix the entering air dispersion pipe 10 that can make air homodisperse at the fixed flabellum 12 of air dispersion pipe 10 inner wall, connect gas intake pipe 9 to outside gas pipe on the way subsequently, the gas passes through gas conveyer pipe 7 and a plurality of mixed branch pipe 8 with the gas gets into in the mixed combustion box 3, the gas can carry out the flash mixed with the air that gets into in the mixed combustion box 3, ignition electrode 4 ignites, make the gas burn, gas that gas shower nozzle 5 spun and the inside air of high temperature combustion groove 2 breathe out and burn simultaneously, high temperature resistant casing 1 of pouring can improve the temperature of burning together with the double mixed burning, use the fast premix technique of gas and air, with the intensive mixing of gas and air, and then realize the abundant burning of gas, the abundant burning of gas can reduce carbon monoxide and the nitrogen content that the burning produced, the low emission is beneficial to environmental protection, and the pollution generated by combustion is reduced while the temperature of the combustor is improved.

Referring to the attached drawings 1-4 of the specification, a dismounting mechanism is arranged between the pouring shell 1 and the mixed combustion box 3, the dismounting mechanism comprises a first flange plate 15, and the inner side of the first flange plate 15 is fixedly connected with the mixed combustion box 3.

As shown in fig. 1-3, a second flange plate 16 is disposed on one side of the first flange plate 15, and threaded holes 17 are disposed on one side surfaces of the first flange plate 15 and the second flange plate 16, so that the first flange plate 15 and the second flange plate 16 can be connected and fixed by the threaded holes 17 of the screws 18.

As shown in fig. 1-3, one side of the second flange plate 16 is fixedly connected with one side of the casting shell 1, a screw 18 is arranged inside the threaded hole 17, the screw 18 is in threaded connection with the threaded hole 17, and the first flange plate 15 and the second flange plate 16 can be detached by rotating the screw 18.

The implementation mode is specifically as follows: through setting up the disassembly body, when dismantling, at first rotatory first flange board 15 and the inside screw rod 18 of the screw hole 17 of second flange board 16 side surface, simultaneously because screw rod 18 and screw hole 17 threaded connection, make screw rod 18 separate from screw hole 17, make first flange board 15 break away from second flange board 16 and pour casing 1 with second flange board 16 fixed connection, only need make first flange board 15 and the separation of second flange board 16 through simple rotatory screw rod 18, and easy operation is convenient, the speed of maintenance and maintenance has been improved greatly, make the combustor damage the back need not to change, conveniently maintain, the life of the improvement device.

The application process of the embodiment of the utility model is as follows: when the utility model is used, firstly, one side of an air dispersion pipe 10 is connected into an external ventilation pipeline, then air can uniformly disperse and enter the air dispersion pipe 10 through a fixed fan blade 12 fixed on the inner wall of the air dispersion pipe 10, simultaneously, a gas inlet pipe 9 is connected to an external gas pipeline, then gas passes through the gas inlet pipe 9 to reach a gas delivery pipe 7, a plurality of mixing branch pipes 8 arranged outside the gas delivery pipe 7 discharge the gas into a mixing combustion box 3, simultaneously, air inside the air dispersion pipe 10 enters the mixing combustion box 3 through a channel pipe 11, the gas discharged by the uniformly distributed mixing branch pipes 8 can be rapidly mixed with the air dispersed by the air dispersion pipe 10 to complete the premixing of the air and the gas, then an ignition electrode 4 is ignited to enable the gas to be combusted, and simultaneously, the gas sprayed by a gas nozzle 5 fixedly connected with one side of the gas delivery pipe 7 can also be combusted with the air inside a high-temperature combustion groove 2, pouring the casing 1 can be high temperature resistant and the temperature of burning can be improved in double mixed combustion, and the intensive mixing with the air can realize the intensive combustion of gas, thereby reduce the carbon monoxide content that the burning produced, when dismantling, at first rotatory first flange board 15 and the inside screw rod 18 of the screw hole 17 of second flange board 16 side surface, simultaneously because screw rod 18 and screw hole 17 threaded connection, make screw rod 18 unscrew from screw hole 17, thereby make first flange board 15 from second flange board 16 and with second flange board 16 fixed connection pour casing 1 on separate, thereby accomplish the dismantlement of pouring casing 1.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. The utility model provides a premix stirring formula combustor, is including pouring casing (1), its characterized in that: a high-temperature combustion groove (2) is formed in the surface of one side of the pouring shell (1), and a premixed combustion mechanism is arranged on one side of the pouring shell (1);

the premixed combustion mechanism comprises a mixed combustion box (3), the mixed combustion box (3) is arranged inside a high-temperature combustion groove (2), an ignition electrode (4) is fixedly arranged at the top of the mixed combustion box (3), a gas nozzle (5) is fixedly arranged on one side of the mixed combustion box (3), a dispersion hole (6) is formed in one side surface of the gas nozzle (5), the other side of the gas nozzle (5) penetrates through the mixed combustion box (3) and extends into the mixed combustion box (3), a gas conveying pipe (7) is fixedly arranged on the other side of the gas nozzle (5), a mixed branch pipe (8) is fixedly arranged on the outer side of the gas conveying pipe (7), a gas inlet pipe (9) is fixedly arranged on one side of the gas conveying pipe (7), an air dispersion pipe (10) is fixedly arranged on the outer side of the gas inlet pipe (9), and a passage pipe (11) is fixedly connected with the joint of the air dispersion pipe (10) and the mixed combustion box (3), the air dispersion pipe is characterized in that fixed fan blades (12) are fixedly arranged on the inner wall of the air dispersion pipe (10), connecting blocks (13) are fixedly arranged at the bottoms of the fixed fan blades (12), and vent pipes (14) are fixedly arranged at the top of the air dispersion pipe (10).

2. A premix stirring burner as in claim 1, wherein: pouring is equipped with disassembly body between casing (1) and mixed combustion case (3), disassembly body includes first flange board (15), first flange board (15) inboard and mixed combustion case (3) fixed connection.

3. A premix stirring burner as in claim 2, wherein: and a second flange plate (16) is arranged on one side of the first flange plate (15), and threaded holes (17) are formed in the surfaces of one sides of the first flange plate (15) and the second flange plate (16).

4. A premix stirring burner as in claim 3, wherein: one side of the second flange plate (16) is fixedly connected with one side of the pouring shell (1), a screw rod (18) is arranged inside the threaded hole (17), and the screw rod (18) is in threaded connection with the threaded hole (17).

5. A premix stirring burner as in claim 1, wherein: the quantity of fixed flabellum (12), mixing branch pipe (8) and dispersion hole (6) all sets up to a plurality ofly, and is a plurality of mixing branch pipe (8) evenly distributed is in the gas conveyer pipe (7) outside.

6. A premix stirring burner as in claim 1, wherein: one side of the gas conveying pipe (7) penetrates through the mixed combustion box (3), the channel pipe (11) and the air dispersion pipe (10) in sequence and extends into the air dispersion pipe (10).

7. A premix stirring burner as in claim 1, wherein: the cross section of the channel pipe (11) is in a funnel shape, and the bottom of the gas inlet pipe (9) penetrates through the air dispersion pipe (10) and extends to the bottom of the air dispersion pipe (10).