CN212961576U

CN212961576U - Premixing device of low-nitrogen combustor

Info

Publication number: CN212961576U
Application number: CN202021002698.8U
Authority: CN
Inventors: 丰伟
Original assignee: Jiangsu Oulike Environmental Protection Technology Co ltd
Current assignee: Jiangsu Oulike Environmental Protection Technology Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-04-13
Anticipated expiration: 2030-06-03

Abstract

The utility model relates to the technical field of chemical equipment, in particular to a premixing device of a low-nitrogen burner, which can fully mix combustible gas and air, thereby improving the combustion effect of chemical gas in the low-nitrogen burner; still including handling the storehouse, two sets of intake pipes, two sets of admission valves, first air duct, including a motor, an end cap, a controller, and a cover plate, the pivot, the air inlet section of thick bamboo, ring rail, two sets of sliders, two sets of support frames, four sets of sieves, two sets of flabellums, the aviation baffle, ventilating duct and second air duct, the inside processing chamber that is provided with of handling the storehouse, four sets of sieves are all installed at the air inlet section of thick bamboo outer wall, two sets of flabellums are installed at air inlet section of thick bamboo outer wall downside, the aviation baffle is installed at the air inlet section of thick bamboo inner wall, and the aviation baffle is pressed close to with the ventilating duct, the ventilating duct is installed in the processing chamber bottom.

Description

Premixing device of low-nitrogen combustor

Technical Field

The utility model relates to a chemical industry equipment's technical field especially relates to a low-nitrogen burner premixing device.

Background

As is known, the way commonly used for premixing the low-nitrogen burners is to introduce the combustible gas and air directly into the low-nitrogen burners; however, it has been found that, in use, the combustible gas and the air are directly introduced into the low-nitrogen combustor, and the combustible gas and the air are not sufficiently mixed, resulting in insufficient combustion of the chemical gas in the low-nitrogen combustor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a can make the abundant mixture of combustible gas and air to improve the low-nitrogen combustor premixing device of chemical gas's combustion effect in the low-nitrogen combustor.

The utility model discloses a low-nitrogen burner premixing device, which comprises a processing bin, two groups of air inlet pipes, two groups of air inlet valves, a first air duct, a motor, a rotating shaft, an air inlet cylinder, an annular guide rail, two groups of sliders, two groups of support frames, four groups of sieve plates, two groups of fan blades, a spiral plate, an air guide cylinder and a second air duct, wherein the processing bin is internally provided with a processing cavity, the upper side of the right end of the processing bin is provided with a filtering device, the left side air inlet pipe penetrates through the upper side of the left end of the processing bin and is communicated with the processing cavity, the right side air inlet pipe is inclined and communicated with the filtering device, the two groups of air inlet valves are respectively arranged on the two groups of air inlet pipes, the input end of the first air duct penetrates through the right end of the processing bin and is communicated with the filtering device, but two sets of sliders all with ring rail sliding connection, two sets of sliders are fixed on the treatment chamber top through two sets of support frames respectively, four group's sieves are all installed at the air inlet section of thick bamboo outer wall, two sets of flabellums are installed at air inlet section of thick bamboo outer wall downside, the spiral plate is installed at the air inlet section of thick bamboo inner wall, and the spiral plate is pressed close to with the guide duct, the guide duct is installed in the treatment chamber bottom, the guide duct opening is upwards, and the guide duct opening is pressed close to with the inside upside of air inlet section of thick bamboo, the second air duct input passes.

The utility model discloses a low-nitrogen combustor premixing device, filter equipment include the filtration storehouse and strain a section of thick bamboo, and the filtration storehouse is installed at processing storehouse right-hand member upside, and the inside filter chamber that is provided with of filtration storehouse, right side intake pipe output pass and filter the storehouse top and communicate with each other with the filter chamber, strain a section of thick bamboo and install in filtering the intracavity to strain a section of thick bamboo and correspond with right side intake pipe output position, first air duct input and filtration storehouse intercommunication.

The utility model discloses a low-nitrogen combustor premixing device still includes adsorption plate and two sets of fixed blocks, and the adsorption plate is fixed in filtering the intracavity through two sets of fixed blocks.

The utility model discloses a low-nitrogen combustor premixing device still includes the clearance door, crosses filter bin bottom intercommunication and is provided with the opening, and the clearance door is installed on the filter bin in the opening outside to clearance door position corresponds with straining a section of thick bamboo position.

The utility model discloses a low-nitrogen combustor premixing device still includes the multiunit baffle, and multiunit baffle slope is installed at the air duct inner wall.

The utility model discloses a low-nitrogen combustor premixing device still includes check valve and empty gas detection survey meter, and check valve and empty gas detection survey meter are all installed on the second air duct to check valve and empty gas detection survey meter are located the processing storehouse outside.

The utility model discloses a low-nitrogen combustor premixing device still includes the observation window, handles storehouse left end intercommunication and is provided with the opening, and the observation window is installed on the processing storehouse in the opening outside.

The utility model discloses a low-nitrogen combustor premixing device still includes fixed cover and two sets of mounts, fixed cover and an air inlet section of thick bamboo downside outer wall rotatable coupling, and fixed cover is fixed at the treatment chamber inner wall through two sets of mounts.

Compared with the prior art, the beneficial effects of the utility model are that: connecting the output end of a second air duct with an external low-nitrogen burner, then opening a left air inlet valve to lead combustible gas into a treatment cavity through a left air inlet pipe by an external pump, then opening a right air inlet valve to lead air into a filter device through a right air inlet pipe by the external pump, then leading the air into the treatment cavity through a first air duct after the air is filtered by the filter device, then opening a motor, driving an air inlet cylinder to rotate by a rotating shaft, sliding an annular guide rail on the air inlet cylinder and two groups of sliding blocks, scattering the combustible gas and the air by four groups of sieve plates on the outer wall of the air inlet cylinder to fully mix the combustible gas and the air, driving the mixed combustible gas and the air to move downwards by two groups of fan blades, then leading the two groups of fan blades into the air inlet cylinder, driving the combustible gas and the air to move upwards by a spiral plate along with the rotation of the air inlet, then the combustible gas and the air are led into an external low-nitrogen combustor through the second air duct after entering the air duct, so that the combustible gas and the air can be fully mixed, and the combustion effect of the chemical gas in the low-nitrogen combustor is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view of the filter cartridge and filter cartridge;

FIG. 3 is an enlarged schematic view of the ring rail and the slider;

FIG. 4 is an enlarged schematic view of a check valve and an air detector;

in the drawings, the reference numbers: 1. a processing bin; 2. an air inlet pipe; 3. an intake valve; 4. a first air duct; 5. a motor; 6. a rotating shaft; 7. an air inlet cylinder; 8. an annular guide rail; 9. a slider; 10. a support frame; 11. a sieve plate; 12. a fan blade; 13. a spiral plate; 14. an air duct; 15. a second air duct; 16. a filtering bin; 17. a filter cartridge; 18. an adsorption plate; 19. a fixed block; 20. cleaning the door; 21. a baffle plate; 22. a one-way valve; 23. an air detection meter; 24. an observation window; 25. fixing a sleeve; 26. a fixing frame.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in figures 1 to 4, the premixing device for the low-nitrogen burner of the utility model comprises a processing bin 1, two sets of air inlet pipes 2, two sets of air inlet valves 3, a first air duct 4, a motor 5, a rotating shaft 6, an air inlet cylinder 7, an annular guide rail 8, two sets of sliders 9, two sets of support frames 10, four sets of sieve plates 11, two sets of fan blades 12, a spiral plate 13, an air guide cylinder 14 and a second air duct 15, wherein a processing cavity is arranged inside the processing bin 1, a filtering device is arranged on the upper side of the right end of the processing bin 1, the left air inlet pipe 2 passes through the upper side of the left end of the processing bin 1 and is communicated with the processing cavity, the right air inlet pipe 2 is obliquely communicated with the filtering device, the two sets of air inlet pipes 3 are respectively arranged on the two sets of air inlet pipes 2, the input end of the first air duct 4 passes through the right end of the processing, the air inlet cylinder 7 is arranged at the bottom end of the rotating shaft 6, the opening of the air inlet cylinder 7 is downward, the annular guide rail 8 is arranged on the upper side of the outer wall of the air inlet cylinder 7, two groups of sliders 9 are slidably connected with the annular guide rail 8, two groups of sliders 9 are respectively fixed at the top end of the treatment cavity through two groups of support frames 10, four groups of sieve plates 11 are respectively arranged on the outer wall of the air inlet cylinder 7, two groups of fan blades 12 are arranged on the lower side of the outer wall of the air inlet cylinder 7, the spiral plate 13 is arranged on the inner wall of the air inlet cylinder 7, the spiral plate 13 is pressed close to the air guide cylinder 14, the air guide cylinder 14 is arranged at the bottom end of the treatment cavity, the opening of the air guide; the output end of a second air duct 15 is connected with an external low-nitrogen burner, then a left air inlet valve 3 is opened, an external pump leads combustible gas into a treatment cavity through a left air inlet pipe 2, then the right air inlet valve 3 is opened, air is led into a filtering device through a right air inlet pipe 2 by the external pump, then the air is filtered by the filtering device and is led into the treatment cavity through a first air duct 4, then a motor 5 is opened, a rotating shaft 6 drives an air inlet cylinder 7 to rotate, an annular guide rail 8 on the air inlet cylinder 7 slides with two groups of sliding blocks 9, four groups of sieve plates 11 on the outer wall of the air inlet cylinder 7 scatter the combustible gas and the air, the combustible gas and the air are fully mixed, two groups of fan blades 12 drive the mixed combustible gas and the air to move downwards, then the two groups of fan blades enter the air inlet cylinder 7, and a spiral plate 13 drives the combustible gas and the air to move, meanwhile, the combustible gas and the air are mixed again, and then the combustible gas and the air are introduced into the external low-nitrogen combustor through the second air duct 15 after entering the air duct 14, so that the combustible gas and the air can be fully mixed, and the combustion effect of chemical gas in the low-nitrogen combustor is improved.

The utility model discloses a low-nitrogen combustor premixing device, filter equipment include filter bin 16 and filter cartridge 17, filter bin 16 installs at the upper side of 1 right-hand member of processing bin, the inside filter chamber that is provided with of filter bin 16, the 2 output ends of right side intake pipe pass filter bin 16 top and communicate with each other with the filter chamber, filter cartridge 17 installs in the filter chamber, and filter cartridge 17 corresponds with 2 output end positions of right side intake pipe, the 4 input ends of first air duct communicate with filter bin 16; through setting up filter bin 16 and straining a section of thick bamboo 17, the air is leading-in to the filter chamber in through intake pipe 2, then the air filters the back through straining a section of thick bamboo 17, derives through first air duct 4, filters the air, improves the purity of air.

The premixing device of the low-nitrogen burner also comprises an adsorption plate 18 and two groups of fixed blocks 19, wherein the adsorption plate 18 is fixed in the filter cavity through the two groups of fixed blocks 19; through setting up adsorption plate 18 and fixed block 19, make the air adsorb the filtration once more, improve the purity of air.

The utility model discloses a low-nitrogen burner premixing device, still include cleaning door 20, the bottom of filtering storehouse 16 communicates and is provided with the opening, cleaning door 20 is installed on filtering storehouse 16 outside the opening, and cleaning door 20 position and straining a section of thick bamboo 17 position to correspond; through setting up clearance door 20, can in time clear away the impurity on straining a section of thick bamboo 17, improve and strain the gas permeability of a section of thick bamboo 17.

The utility model discloses a low-nitrogen burner premixing device, which also comprises a plurality of groups of baffles 21, wherein the plurality of groups of baffles 21 are obliquely arranged on the inner wall of the air duct 14; by arranging the baffle 21, the combustible gas and the air can be mixed again, and the mixing effect is improved.

The utility model discloses a low-nitrogen burner premixing device, still include check valve 22 and air detector 23, check valve 22 and air detector 23 are all installed on second air duct 15, and check valve 22 and air detector 23 are located the processing bin 1 outside; through setting up check valve 22, can avoid in gaseous second air duct 15 enters into air duct 14, through setting up empty gas detection survey meter 23, can detect out the air quality in the second air duct 15 to can judge whether intensive mixing of combustible gas and air, improve the practicality.

The utility model discloses a premixing device of a low-nitrogen burner, which also comprises an observation window 24, the left end of the processing bin 1 is communicated with an opening, and the observation window 24 is arranged on the processing bin 1 outside the opening; by arranging the observation window 24, the mixing process of the combustible gas and the air in the treatment cavity can be clearly seen, and the convenience is improved.

The utility model discloses a low-nitrogen burner premixing device, which also comprises a fixed sleeve 25 and two groups of fixed brackets 26, wherein the fixed sleeve 25 is rotatably connected with the outer wall of the lower side of the air inlet cylinder 7, and the fixed sleeve 25 is fixed on the inner wall of the treatment cavity through the two groups of fixed brackets 26; through setting up fixed cover 25 and mount 26, can play the effect of supporting air inlet section of thick bamboo 7, improve the stability of air inlet section of thick bamboo 7.

The utility model discloses a low-nitrogen burner premixing device, it is at work, at first be connected second air duct 15 output with external low-nitrogen burner, then open left side admission valve 3, make external pump lead-in combustible gas to the treatment chamber through left side intake pipe 2, then open right side admission valve 3, make external pump lead-in air to the filter chamber through right side intake pipe 2, then the air is after the filtration absorption of straining a section of thick bamboo 17 and adsorption plate 18, lead-in to the treatment chamber through first air duct 4, later open motor 5, pivot 6 drives air inlet cylinder 7 and rotates, ring rail 8 on the air inlet cylinder 7 slides with two sets of sliders 9, four sets of sieve plates 11 of air inlet cylinder 7 outer wall then break up combustible gas and air, make the abundant mixing of combustible gas and air, two sets of flabellum 12 then drive the combustible gas and the air downstream that mix, then the combustible gas and the air enter the air inlet cylinder 7, the spiral plate 13 rotates along with the air inlet cylinder 7 to drive the combustible gas and the air to move upwards, the combustible gas and the air are mixed again, then the combustible gas and the air enter the air guide cylinder 14 to be fully mixed again, and then the combustible gas and the air are guided into an external low-nitrogen combustor through the second air guide pipe 15.

The installation mode, the connection mode or the arrangement mode of the premixing device for the low-nitrogen burner of the utility model are common mechanical modes, and the premixing device can be implemented as long as the beneficial effects can be achieved; the utility model discloses a low nitrogen combustor premixing device's motor 5 and empty gas detection survey meter 23 for purchase on the market, this industry technical staff only need according to its subsidiary service instruction install and operate can.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A premixing device of a low-nitrogen burner is characterized by also comprising a treatment bin (1), two groups of air inlet pipes (2), two groups of air inlet valves (3), a first air guide pipe (4), a motor (5), a rotating shaft (6), an air inlet cylinder (7), an annular guide rail (8), two groups of sliding blocks (9), two groups of support frames (10), four groups of sieve plates (11), two groups of fan blades (12), a spiral plate (13), an air guide cylinder (14) and a second air guide pipe (15), wherein a treatment cavity is arranged in the treatment bin (1), a filtering device is arranged on the upper side of the right end of the treatment bin (1), a left air inlet pipe (2) penetrates through the upper side of the left end of the treatment bin (1) to be communicated with the treatment cavity, a right air inlet pipe (2) is obliquely communicated with the filtering device, the two groups of air inlet pipes (3) are respectively arranged on the two groups of air inlet pipes, the motor (5) is arranged at the top end of the treatment bin (1), the output end of the motor (5) penetrates through the top end of the treatment bin (1) and extends into the treatment cavity to be connected with the top end of the rotating shaft (6), the air inlet cylinder (7) is arranged at the bottom end of the rotating shaft (6), the opening of the air inlet cylinder (7) is downward, the annular guide rail (8) is arranged at the upper side of the outer wall of the air inlet cylinder (7), two groups of sliders (9) are slidably connected with the annular guide rail (8), the two groups of sliders (9) are respectively fixed at the top end of the treatment cavity through two groups of support frames (10), four groups of sieve plates (11) are respectively arranged at the outer wall of the air inlet cylinder (7), two groups of fan blades (12) are arranged at the lower side of the outer wall of the air inlet cylinder (7), the spiral plate (13) is arranged at the inner wall of the air inlet cylinder (7), the spiral plate (13) is pressed close to the, the input end of the second air duct (15) penetrates through the right end of the treatment bin (1) and extends into the treatment cavity to be communicated with the air duct (14).

2. The premixing device of the low-nitrogen burner in claim 1, wherein the filtering device comprises a filtering bin (16) and a filtering cylinder (17), the filtering bin (16) is installed on the upper side of the right end of the processing bin (1), a filtering cavity is arranged inside the filtering bin (16), the output end of the right air inlet pipe (2) penetrates through the top end of the filtering bin (16) to be communicated with the filtering cavity, the filtering cylinder (17) is installed in the filtering cavity, the filtering cylinder (17) corresponds to the output end of the right air inlet pipe (2), and the input end of the first air duct (4) is communicated with the filtering bin (16).

3. The premixing device for the low-nitrogen burner of claim 2 further comprising an adsorption plate (18) and two sets of fixing blocks (19), wherein the adsorption plate (18) is fixed in the filtering chamber through the two sets of fixing blocks (19).

4. The premixing device of claim 3 further comprising a cleaning door (20), wherein an opening is formed at the bottom end of the filtering bin (16), the cleaning door (20) is installed on the filtering bin (16) outside the opening, and the position of the cleaning door (20) corresponds to the position of the filtering cartridge (17).

5. The premixing device for the low-nitrogen burner of claim 4, further comprising a plurality of sets of baffles (21), wherein the plurality of sets of baffles (21) are obliquely installed on the inner wall of the air guide duct (14).

6. A low-nitrogen burner premixing device according to claim 5 further comprising a check valve (22) and an air detecting meter (23), wherein the check valve (22) and the air detecting meter (23) are both mounted on the second air duct (15), and the check valve (22) and the air detecting meter (23) are located outside the treatment silo (1).

7. The premixing device of the low-nitrogen burner in claim 6, further comprising an observation window (24), wherein the left end of the processing bin (1) is provided with an opening in a communicating manner, and the observation window (24) is installed on the processing bin (1) outside the opening.

8. The premixing device of claim 7 further comprising a fixing sleeve (25) and two sets of fixing brackets (26), wherein the fixing sleeve (25) is rotatably connected with the outer wall of the lower side of the air inlet cylinder (7), and the fixing sleeve (25) is fixed on the inner wall of the treatment chamber through the two sets of fixing brackets (26).