CN216408991U - Exhaust gas denitration treatment device for waste gas incineration system - Google Patents

Abstract

The utility model discloses a tail gas denitration treatment device of a waste gas incineration system, which comprises a box body, wherein the bottom of the box body is fixedly connected with two pairs of supporting legs, the two pairs of supporting legs are symmetrically arranged around the central axis of the box body, the side wall of the top of the box body is fixedly connected with an exhaust pipe, the pipe body of the exhaust pipe is provided with a valve, the front end surface of the box body is movably connected with a box door, the top of the box body is fixedly connected with two first fixing rods, the top end of each first fixing rod is fixedly connected with a liquid storage bin, the top of the liquid storage bin is fixedly connected with a liquid inlet pipe, a partition plate is arranged in the box body, two sides of the partition plate are fixedly connected on the inner wall of the box body, and a purification bin is arranged below the partition plate, the environmental protection performance of the device is improved.

Description

Exhaust gas denitration treatment device for waste gas incineration system

Technical Field

The utility model relates to the technical field of waste gas denitration, in particular to a tail gas denitration treatment device of a waste gas incineration system.

Background

The waste gas refers to toxic and harmful gas discharged by human in the production and living process. Especially chemical plants, steel plants, pharmaceutical plants, coking plants and oil refineries, etc., the discharged waste gas has large odor, seriously pollutes the environment and affects the human health.

After the waste gas is introduced into a combustion furnace to be combusted, the discharged waste gas contains a large amount of medium-nitrogen oxides, and the waste gas can be subjected to denitration treatment in order to prevent the waste gas from influencing human health.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects that the existing denitration device in the prior art is single in denitration mode, inconvenient to recycle heat in high-temperature combustion waste gas, causes a large amount of combustion heat to be lost and is not in accordance with the consciousness of energy conservation and environmental protection, and provides a tail gas denitration treatment device of a waste gas incineration system. A processing apparatus of waste gas incineration system tail gas denitration has that the exhaust purification mode is various, and can carry out recycle to the heat in the high temperature burning waste gas, improves characteristics such as the device's feature of environmental protection.

In order to achieve the purpose, the utility model provides the following technical scheme: a tail gas denitration treatment device of a waste gas incineration system comprises a box body, wherein the bottom of the box body is fixedly connected with two pairs of supporting legs which are symmetrically arranged about the central axis of the box body, the side wall of the top of the box body is fixedly connected with an exhaust pipe, a pipe body of the exhaust pipe is provided with a valve, the front end surface of the box body is movably connected with a box door, the top of the box body is fixedly connected with two first fixing rods, the top end of each first fixing rod is fixedly connected with a liquid storage bin, the top of the liquid storage bin is fixedly connected with a liquid inlet pipe, a partition plate is arranged in the box body, two sides of the partition plate are fixedly connected on the inner wall of the box body, a purification bin is arranged below the partition plate, the front end surface of the purification bin is movably connected with a movable door, one side of the purification bin is fixedly connected with an air inlet pipe, one end of the air inlet pipe penetrates through the side wall of the box body, a valve is arranged on a pipe body of the air suction pipe, an air suction pump is arranged above the air inlet pipe, the air suction pump is fixedly connected to one side of a box body, an air suction pipe and an air outlet pipe are fixedly connected to the air suction pump, a top pipe orifice of the air suction pipe is fixedly connected to the bottom of the air outlet pipe, a valve is arranged on the pipe body of the air suction pipe, a bottom pipe orifice of the air outlet pipe is fixedly connected to the top end of the air inlet pipe, a rotary table is arranged at the top of an inner cavity of the box body, a connecting bin is fixedly connected to the top of the rotary table, a connecting block is arranged in the connecting bin, a supporting pipe is fixedly connected to the top of the box body, a bottom pipe orifice of the supporting pipe penetrates through the top of the connecting bin and is fixedly connected to the top of the connecting block, second fixing rods are fixedly connected to two sides of the bottom of the rotary table, a transverse pipe is fixedly connected to the bottom of the second fixing rods, and a plurality of liquid discharge ports are arranged at the bottom of the transverse pipe, and the top of violently managing fixedly connected with rotates the storehouse, the bottom that rotates the storehouse communicates with each other with the inner chamber of violently managing, be equipped with the fluid-discharge tube in the stay tube, the top of fluid-discharge tube runs through the top of box and fixed connection is in the lateral wall of depositing the liquid storehouse, and its bottom run through connects storehouse, carousel and rotation storehouse, just the bottom mouth of pipe fixedly connected with ring of fluid-discharge tube, the ring is located and rotates the storehouse, the below of violently managing is equipped with drive mechanism.

Preferably, the cross sections of the connecting blocks and the connecting cabin are circular, and the diameter of each connecting block is equal to the diameter of the inner cavity of the connecting cabin.

Preferably, a sealing ring is arranged between the top of the circular ring and the inner wall of the top of the rotating bin, the sealing ring is sleeved on the liquid discharge pipe, and the sealing ring is of a rubber pad structure.

Preferably, the top and the bottom inner wall of the purification bin are fixedly connected with a pair of first locating blocks, each pair of first locating blocks are far away from one side of each other and are provided with an activated carbon plate, one side of each activated carbon plate far away from the corresponding first locating block is provided with a pair of second locating blocks, one side of each second locating block far away from the corresponding activated carbon plate is fixedly connected with a spring, and the other side of each spring is fixedly connected with the side wall of the purification bin.

Preferably, the transmission mechanism comprises a first limiting block, the first limiting block is fixedly connected to the top of the separation plate, a transmission cylinder is fixedly connected to the top of the first limiting block, a second limiting block is fixedly connected to one side of the transmission cylinder in front of the side wall of the box body, a first air duct is fixedly connected to one side of the transmission cylinder away from the second limiting block, a second air duct is fixedly connected to the bottom of the transmission cylinder, the other end of the second air duct penetrates through the separation plate and is fixedly connected to one side wall of the purification bin, a first transmission rod is arranged in the transmission cylinder, one end of the first transmission rod is movably connected to the inner wall of one side of the transmission cylinder through a bearing, the other end of the first transmission rod penetrates through the side wall of the transmission cylinder and is fixedly connected with a first sector gear, a plurality of fan blades are fixedly connected to the rod body of the first transmission rod, and a first fixing block is fixedly connected to the inner wall of one side of the box body away from the transmission cylinder, the through-hole has been seted up on the first fixed block, it has the second transfer line to pass in the through-hole, the below of going up of first fixed block all is equipped with the second fixed block, second fixed block fixed connection is on the shaft of second transfer line, second transfer line bottom end fixedly connected with second sector gear, second sector gear meshes with first sector gear mutually, second transfer line top end fixedly connected with drive gear, install a plurality of and drive gear assorted tooth piece on the lateral wall of carousel, drive gear meshes with the tooth piece mutually.

Preferably, a plurality of flabellum is cyclic annular setting about the central axis of first drive lever, the height of flabellum equals the inner chamber radius of transmission section of thick bamboo.

Preferably, the distance between the two second fixed blocks is equal to the thickness of the first fixed block.

Compared with the prior art, the utility model has the beneficial effects that:

1. in the technical scheme, NOx in the gas waste gas can be preliminarily absorbed through the purification bin and the activated carbon plate, and the NOx is further absorbed through the matching among the liquid storage bin, the rotary disc and the transverse pipe, so that the absorption effect of the NOx can be improved in various ways;

2. in the technical scheme, the heat in the high-temperature combustion waste gas is recycled through the cooperation of the second air duct, the transmission cylinder, the first transmission rod, the second transmission rod, the fan blades, the first sector gear and the second sector gear so as to drive the transverse pipe to rotate, so that the solution in the liquid storage bin can be uniformly sprayed into the upper cavity, and the NOx absorption effect is improved;

3. in this technical scheme, through the cooperation between purification storehouse, activated carbon plate, dodge gate, first locating piece, second locating piece and the spring, can change after the activated carbon plate uses for a long time to guarantee the NOx absorption effect of the device.

Drawings

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

FIG. 2 is a side view of the drive mechanism, turntable, cross tube and purge bin;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is an enlarged view of FIG. 1 at C;

fig. 6 is a front view of the case.

Reference numbers in the figures: 1. a box body; 2. supporting legs; 3. an exhaust pipe; 4. a first fixing lever; 5. a liquid storage bin; 6. a partition plate; 7. a purifying bin; 8. an air inlet pipe; 9. a getter pump; 10. an air intake duct; 11. an air outlet pipe; 12. a turntable; 13. a connecting bin; 14. connecting blocks; 15. supporting a tube; 16. a transverse tube; 17. rotating the bin; 18. a liquid discharge pipe; 19. a circular ring; 20. a first positioning block; 21. an activated carbon plate; 22. a second positioning block; 23. a spring; 24. a first stopper; 25. a transmission cylinder; 26. a second limiting block; 27. a second air duct; 28. a first drive lever; 29. a first sector gear; 30. a fan blade; 31. a first fixed block; 32. a second transmission rod; 33. a second fixed block; 34. a second sector gear; 35. a transmission gear; 36. a tooth block; 37. a second fixing bar; 38. a first air duct.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1-6, the present invention provides a technical solution: a circulating device for combustion treatment of gas waste gas comprises a box body 1, wherein the bottom of the box body 1 is fixedly connected with two pairs of supporting legs 2, the two pairs of supporting legs 2 are symmetrically arranged about the central axis of the box body 1, the side wall of the top of the box body 1 is fixedly connected with an exhaust pipe 3, a valve is arranged on a pipe body of the exhaust pipe 3, the front end surface of the box body 1 is movably connected with a box door, the top of the box body 1 is fixedly connected with two first fixing rods 4, the top end of each first fixing rod 4 is fixedly connected with a liquid storage bin 5, the top of the liquid storage bin 5 is fixedly connected with a liquid inlet pipe, a partition plate 6 is arranged in the box body 1, two sides of the partition plate 6 are fixedly connected to the inner wall of the box body 1, a purification bin 7 is arranged below the partition plate 6, the inner walls of the top and the bottom of the purification bin 7 are fixedly connected with a pair of first positioning blocks 20, and an activated carbon plate 21 is arranged on one side, which each pair of the first positioning blocks 20 is far away from each other, one side of the activated carbon plate 21, which is far away from the first positioning block 20, is provided with a pair of second positioning blocks 22, one side of the second positioning blocks 22, which is far away from the activated carbon plate 21, is fixedly connected with a spring 23, the other side of the spring 23 is fixedly connected with the side wall of the purification bin 7, through the cooperation between the purification bin 7, the activated carbon plate 21, the movable door, the first positioning block 20, the second positioning blocks 22 and the spring 23, the activated carbon plate 21 can be replaced after long-time use, so as to ensure the NOx absorption effect of the device, the front end surface of the purification bin 7 is movably connected with the movable door, one side of the purification bin 7 is fixedly connected with an air inlet pipe 8, one end of the air inlet pipe 8 penetrates through the side wall of the box body 1, a valve is installed on the pipe body, an air suction pump 9 is arranged above the air inlet pipe 8, the suction pump 9 is fixedly connected with one side of the box body 1, an air suction pipe 10 and an air outlet pipe 11 are fixedly connected on the suction pump 9, the top orifice of the air inlet pipe 10 is fixedly connected with the bottom of the air outlet pipe 3, and the tube body of the air suction tube 10 is provided with a valve, the bottom end orifice of the air outlet tube 11 is fixedly connected with the top end of the air inlet tube 8, the top of the inner cavity of the box body 1 is provided with a rotary disc 12, the top of the rotary disc 12 is fixedly connected with a connecting bin 13, a connecting block 14 is arranged in the connecting bin 13, the cross sections of the connecting block 14 and the connecting bin 13 are circular, the diameter of the connecting block 14 is equal to the diameter of the inner cavity of the connecting bin 13, the rotating stability of the transverse tube 16 is improved, the top of the box body 1 is fixedly connected with a supporting tube 15, the bottom end orifice of the supporting tube 15 penetrates through the top of the connecting bin 13 and is fixedly connected with the top of the connecting block 14, two sides of the bottom of the rotary disc 12 are fixedly connected with second fixing rods 37, the bottom end of the second fixing rods 37 is fixedly connected with a transverse tube 16, the bottom of the transverse tube 16 is provided with a plurality of liquid discharge ports, the top of the transverse tube 16 is fixedly connected with a rotating bin 17, and the bottom of the rotating bin 17 is communicated with the inner cavity of the transverse tube 16, a liquid discharge pipe 18 is arranged in the supporting pipe 15, the top end of the liquid discharge pipe 18 penetrates through the top of the box body 1 and is fixedly connected with the side wall of the liquid storage bin 5, the bottom end of the liquid discharge pipe 18 penetrates through the connection bin 13, the rotary table 12 and the rotary bin 17, a bottom pipe orifice of the liquid discharge pipe 18 is fixedly connected with a circular ring 19, a sealing ring is arranged between the top of the circular ring 19 and the inner wall of the top of the rotary bin 17 and is sleeved on the liquid discharge pipe 18, the sealing ring is of a rubber pad structure and can prevent the solution in the liquid storage bin 5 from leaking out from the liquid discharge pipe 18, the circular ring 19 is positioned in the rotary bin 17, a transmission mechanism is arranged below the transverse pipe 16 and comprises a first limiting block 24, the first limiting block 24 is fixedly connected with the top of the partition plate 6, a transmission cylinder 25 is fixedly connected with the top of the first limiting block 24, a second limiting block 26 is fixedly connected with one side of the transmission cylinder 25 and the side wall of the box body 1, a first air guide pipe 38 is fixedly connected with one side far away from the second limiting block 26, and the bottom of the driving cylinder 25 is fixedly connected with a second air duct 27, the other end of the second air duct 27 penetrates through the partition plate 6 and is fixedly connected with one side wall of the purifying bin 7, a first driving rod 28 is arranged in the driving cylinder 25, one end of the first driving rod 28 is movably connected with the inner wall of one side of the driving cylinder 25 through a bearing, the other end of the first driving rod 28 penetrates through the side wall of the driving cylinder 25 and is fixedly connected with a first sector gear 29, a plurality of fan blades 30 are fixedly connected on the rod body of the first driving rod 28, the plurality of fan blades 30 are annularly arranged about the central axis of the first driving rod 28, the height of the fan blades 30 is equal to the radius of the inner cavity of the driving cylinder 25, the transmission effect of the transmission mechanism is improved, a first fixed block 31 is fixedly connected with the inner wall of one side of the box body 1 far away from the driving cylinder 25, a through hole is formed in the first fixed block 31, a second driving rod 32 passes through the through hole, second fixed blocks 33 are arranged above and below the first fixed block 31, the distance between the two second fixed blocks 33 is equal to the thickness of the first fixed block 31, the stability of the second transmission rod 32 when driving the transmission gear 35 to rotate can be improved, thereby avoiding the transmission gear 35 from impacting the toothed block 36 to cause the damage of the toothed block 36 and the transmission gear 35, the second fixed blocks 33 are fixedly connected on the rod body of the second transmission rod 32, the bottom end of the second transmission rod 32 is fixedly connected with the second sector gear 34, the second sector gear 34 is meshed with the first sector gear 29, the top end of the second transmission rod 32 is fixedly connected with the transmission gear 35, a plurality of toothed blocks 36 matched with the transmission gear 35 are installed on the side wall of the rotary disk 12, the transmission gear 35 is meshed with the toothed block 36, the heat in the high-temperature combustion waste gas is recycled through the transmission mechanism, so as to drive the rotary disk 12 to rotate, and further absorb and purify NOx.

The working principle is as follows: when the utility model is used, firstly, all electrical elements are externally connected with a power supply, then a valve on the air inlet pipe 8 is opened, high-temperature tail gas generated by burning waste gas is guided into the purifying bin 7 through the air inlet pipe 8, the waste gas is absorbed by the activated carbon plate 21 in the purifying bin 7 after entering the purifying bin 7, so that NOx in the waste gas can be primarily purified, then, the primarily purified high-temperature waste gas is guided into the transmission cylinder 25 through the second air guide pipe 27 and is guided into the upper cavity of the box body 1 through the first air guide pipe 38, in the air guide process, the fan blades 30 are pushed to rotate through the high-temperature waste gas, the fan blades 30 drive the first transmission rod 28 and the first sector gear 29 to rotate, then, the second sector gear 34 is driven to rotate through the meshing action between the first sector gear 29 and the second sector gear 34, and then, the second transmission rod 32 and the transmission gear 35 are driven to rotate through the second sector gear 34, and the rotary disc 12 and the transverse tube 16 are driven to rotate through the meshing between the transmission gear 35 and the gear block 36, and at the moment, the valve of the liquid discharge pipe 18 can be opened, the urea solution in the liquid storage bin 5 is guided into the transverse pipe 16 through the liquid discharge pipe 18, so that the urea solution is uniformly sprayed into the upper cavity of the box body 1 through the liquid outlet at the bottom of the rotary transverse pipe 16 to improve the NOx absorption effect, then, the valve on the exhaust pipe 3 can be opened to check whether the purified exhaust gas is qualified, and when the exhaust gas is unqualified, the valves on the exhaust pipe 3 and the intake pipe 8 can be closed, and the valve on the intake pipe 10 can be opened, then, the suction pump 9 is started, the suction pump 9 sucks out the gas in the box body 1 through the suction pipe 10 and reintroduces the gas into the purifying bin 7 through the gas outlet pipe 11, and then, the above operations may be repeated until NOx meets the standards, which is the overall process of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a processing apparatus of waste gas incineration system tail gas denitration, includes box (1), its characterized in that: the bottom of the box body (1) is fixedly connected with two pairs of supporting legs (2), the two pairs of supporting legs (2) are symmetrically arranged about the central axis of the box body (1), the top side wall of the box body (1) is fixedly connected with an exhaust pipe (3), a valve is installed on a pipe body of the exhaust pipe (3), the front end face of the box body (1) is movably connected with a box door, the top of the box body (1) is fixedly connected with two first fixing rods (4), the top end of each first fixing rod (4) is fixedly connected with a liquid storage bin (5), the top of each liquid storage bin (5) is fixedly connected with a liquid inlet pipe, a partition plate (6) is arranged in the box body (1), the two sides of the partition plate (6) are fixedly connected on the inner wall of the box body (1), a purification bin (7) is arranged below the partition plate (6), and the front end face of the purification bin (7) is movably connected with a movable door, an air inlet pipe (8) is fixedly connected to one side of the purification bin (7), one end of the air inlet pipe (8) penetrates through the side wall of the box body (1), a valve is installed on a pipe body of the air inlet pipe, an air suction pump (9) is arranged above the air inlet pipe (8), the air suction pump (9) is fixedly connected to one side of the box body (1), an air suction pipe (10) and an air outlet pipe (11) are fixedly connected to the air suction pump (9), a top pipe orifice of the air suction pipe (10) is fixedly connected to the bottom of the exhaust pipe (3), a valve is installed on the pipe body of the air suction pipe (10), a bottom pipe orifice of the air outlet pipe (11) is fixedly connected to the top end of the air inlet pipe (8), a rotary table (12) is arranged at the top of an inner cavity of the box body (1), a connecting bin (13) is fixedly connected to the top of the rotary table (12), and a connecting block (14) is arranged in the connecting bin (13), the top of the box body (1) is fixedly connected with a supporting pipe (15), a bottom pipe orifice of the supporting pipe (15) penetrates through the top of the connecting bin (13) and is fixedly connected to the top of the connecting block (14), two sides of the bottom of the rotary table (12) are fixedly connected with second fixing rods (37), a transverse pipe (16) is fixedly connected to the bottom of the second fixing rods (37), a plurality of liquid discharge ports are formed in the bottom of the transverse pipe (16), a rotating bin (17) is fixedly connected to the top of the transverse pipe (16), the bottom of the rotating bin (17) is communicated with the inner cavity of the transverse pipe (16), a liquid discharge pipe (18) is arranged in the supporting pipe (15), the top end of the liquid discharge pipe (18) penetrates through the top of the box body (1) and is fixedly connected to the side wall of the liquid storage bin (5), and the bottom end of the liquid discharge pipe (18) penetrates through the bin (13), the rotary table (12) and the rotating bin (17), and a bottom end pipe orifice of the liquid discharge pipe (18) is fixedly connected with a circular ring (19), the circular ring (19) is positioned in the rotating bin (17), and a transmission mechanism is arranged below the transverse pipe (16).

2. The exhaust gas denitration treatment apparatus of an exhaust gas incineration system according to claim 1, wherein: the cross sections of the connecting blocks (14) and the connecting bin (13) are circular, and the diameter of each connecting block (14) is equal to the diameter of an inner cavity of the corresponding connecting bin (13).

3. The exhaust gas denitration treatment apparatus of an exhaust gas incineration system according to claim 1, wherein: and a sealing ring is arranged between the top of the circular ring (19) and the inner wall of the top of the rotating bin (17), the sealing ring is sleeved on the liquid discharge pipe (18), and the sealing ring is of a rubber pad structure.

4. The exhaust gas denitration treatment apparatus of an exhaust gas incineration system according to claim 1, wherein: the top and the bottom inner wall of purification storehouse (7) equal fixedly connected with a pair of first locating piece (20), it is every right first locating piece (20) keep away from one side mutually and are equipped with activated carbon plate (21), one side that first locating piece (20) were kept away from in activated carbon plate (21) is equipped with a pair of second locating piece (22), one side fixedly connected with spring (23) of activated carbon plate (21) are kept away from in second locating piece (22), the opposite side fixed connection of spring (23) is at the lateral wall of purification storehouse (7).

5. The exhaust gas denitration treatment apparatus of an exhaust gas incineration system according to claim 1, wherein: the transmission mechanism comprises a first limiting block (24), the first limiting block (24) is fixedly connected to the top of the partition plate (6), a transmission cylinder (25) is fixedly connected to the top of the first limiting block (24), a second limiting block (26) is fixedly connected to one side of the transmission cylinder (25) and the side wall of the box body (1) in front of the side wall, a first air duct (38) is fixedly connected to one side of the transmission cylinder (25) far away from the second limiting block (26), a second air duct (27) is fixedly connected to the bottom of the transmission cylinder (25), the other end of the second air duct (27) penetrates through the partition plate (6) and is fixedly connected to the side wall of one side of the purifying bin (7), a first transmission rod (28) is arranged in the transmission cylinder (25), one end of the first transmission rod (28) is movably connected to the inner wall of one side of the transmission cylinder (25) through a bearing, and the other end of the first transmission rod (28) penetrates through the side wall of the transmission cylinder (25), and is fixedly connected with a first sector gear (29), a plurality of fan blades (30) are fixedly connected on the rod body of the first transmission rod (28), a first fixed block (31) is fixedly connected with the inner wall of one side of the box body (1) far away from the transmission cylinder (25), a through hole is formed in the first fixed block (31), a second transmission rod (32) penetrates through the through hole, second fixed blocks (33) are arranged above and below the first fixed block (31), the second fixed blocks (33) are fixedly connected on the rod body of the second transmission rod (32), the bottom end of the second transmission rod (32) is fixedly connected with a second sector gear (34), the second sector gear (34) is meshed with the first sector gear (29), the top end of the second transmission rod (32) is fixedly connected with a transmission gear (35), a plurality of tooth blocks (36) matched with the transmission gear (35) are installed on the side wall of the turntable (12), the transmission gear (35) is meshed with the gear block (36).

6. The exhaust gas denitration treatment apparatus of claim 5, wherein: the fan blades (30) are annularly arranged about the central axis of the first transmission rod (28), and the height of the fan blades (30) is equal to the radius of an inner cavity of the transmission cylinder (25).

7. The exhaust gas denitration treatment apparatus of claim 5, wherein: the distance between the two second fixed blocks (33) is equal to the thickness of the first fixed block (31).

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