CN219744412U

CN219744412U - Boiler waste gas desulfurization and denitrification device

Info

Publication number: CN219744412U
Application number: CN202320812225.1U
Authority: CN
Inventors: 李少波; 钟滨
Original assignee: Shanxi Xuanzhong Environmental Protection Equipment Co ltd
Current assignee: Shanxi Xuanzhong Environmental Protection Equipment Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-09-26
Anticipated expiration: 2033-04-07

Abstract

The utility model relates to the technical field of boiler waste gas treatment devices, and discloses a boiler waste gas desulfurization and denitrification device which comprises a desulfurization and denitrification barrel, wherein the desulfurization and denitrification barrel is provided with a first reaction tank, the first reaction tank is provided with a desulfurization tank, the first reaction tank is provided with an inverted funnel cover, the desulfurization and denitrification barrel is provided with a second reaction tank, the second reaction tank is provided with a denitrification tank, the desulfurization and denitrification barrel is provided with a rotating rod, the rotating rod is provided with a rotating blade, the rotating rod is provided with a fifth sprocket, the fifth sprocket is wound with a third chain, the desulfurization and denitrification barrel is provided with a fixing frame, the fixing frame is provided with a transmission motor, the transmission motor is assembled with the fifth sprocket, the desulfurization tank is provided with desulfurization liquid, and the denitrification liquid is placed on the denitrification tank.

Description

Boiler waste gas desulfurization and denitrification device

Technical Field

The utility model relates to the technical field of boiler waste gas treatment devices, in particular to a boiler waste gas desulfurization and denitrification device.

Background

The coal-fired boiler is widely used, a large amount of flue gas is generated when the coal-fired boiler is in operation, and oxides of dust, sulfur and nitrogen contained in the flue gas are all substances polluting the atmosphere, so that the problem of smoke pollution of the coal-fired boiler is always plagued.

The existing desulfurization and denitrification device for the boiler waste gas respectively reacts with the waste gas through the denitration liquid and the desulfurization liquid, so that the purpose of desulfurization and denitrification of the boiler waste gas is realized, but the existing desulfurization and denitrification device for the boiler waste gas has the following problems in the use process:

the existing waste gas reacts with the denitration liquid and the desulfurization liquid in the reaction tank, and bubbles are easy to form in the denitration liquid and the desulfurization liquid, so that the waste gas in the bubbles cannot completely react with the denitration liquid and the desulfurization liquid in the reaction tank, and the desulfurization and denitration effect is poor, and therefore, the boiler waste gas desulfurization and denitration device is necessary in the technical field of the existing boiler waste gas treatment device.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems that the existing waste gas is reacted through the denitration liquid and the desulfurization liquid of the reaction tank, and the waste gas is easy to form bubbles in the denitration liquid and the desulfurization liquid, so that the waste gas in the bubbles cannot be completely reacted with the denitration liquid and the desulfurization liquid of the reaction tank, and the desulfurization and denitrification effect is poor, the utility model provides a boiler waste gas desulfurization and denitrification device which has the advantage of improving the desulfurization and denitrification effect and solves the problems proposed by the background technology.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a boiler waste gas desulfurization and denitrification device, includes desulfurization and denitrification section of thick bamboo, the fixed first reaction tank that is equipped with of inner wall of desulfurization and denitrification section of thick bamboo, be provided with the desulfurization groove on the first reaction tank, the fixed dress of upper surface of first reaction tank is equipped with the fall funnel lid, the inside of falling funnel lid communicates with the inside of desulfurization groove, the fixed second reaction tank that is equipped with of inner wall of desulfurization and denitrification section of thick bamboo is provided with the denitration groove on the second reaction tank, desulfurization and denitrification section of thick bamboo on the symmetry activity be equipped with the dwang, the one end of two dwang is movable respectively runs through in the second reaction tank to the denitration groove and the activity runs through in the first reaction tank to the desulfurization groove, fixed assembly has moving blade on the dwang, two moving blade are located denitration groove and desulfurization groove respectively to the equal fixed assembly of the other end of dwang has the fifth sprocket, twines on the fifth sprocket, through the transmission of third chain for the fifth sprocket carries out equidirectional rotation, desulfurization and denitrification section of thick bamboo on fixed mounting, the fixed mounting have the fixed transmission motor, the fixed transmission motor is equipped with the output end of one of them, and the fixed transmission end runs through with one of them fixed transmission end.

Preferably, the desulfurization and denitrification barrel on fixedly equipped with intake pipe, the one end of intake pipe runs through to the upper surface of first reaction tank from the bottom of first reaction tank to the one end of intake pipe is arranged in the desulfurization groove, and fixed mounting has the transmission pipe on the inverted funnel lid, and the one end of transmission pipe runs through to the upper surface of second reaction tank from the bottom of second reaction tank, and the one end of transmission pipe is arranged in the denitration groove, the desulfurization groove on place the desulfurization liquid, the one end of intake pipe is arranged in the desulfurization liquid, has placed the denitration liquid on the denitration groove, the one end of transmission pipe is arranged in the denitration liquid, the waste gas of being convenient for reacts in desulfurization liquid and denitration liquid respectively.

Preferably, the top of the desulfurization and denitrification barrel is fixedly provided with an air outlet pipe, the air outlet pipe is provided with an air outlet, the bottom surface of the air outlet is provided with a connecting port, and the connecting port is communicated with the inside of the desulfurization and denitrification barrel.

Preferably, the caliber of the air outlet is larger than that of the connecting port.

Preferably, the bottom surface annular of gas outlet be provided with the seal groove, the seal groove is located the outside of connector, the fixed assembly of surface symmetry of outlet duct have the operation piece, the inside of operation piece all is provided with the rotation chamber, the side of operation piece all is provided with the traction groove, the traction groove corresponds and rotates the chamber and communicate, the rotation chamber on all movable mounting have the lead screw, all screw thread is equipped with the screw sleeve on the lead screw, the screw sleeve is located and rotates the chamber, all fixed mounting has the sliding block on the screw sleeve, the sliding block corresponds and pulls the groove and carry out movable mounting, rotate in the screw sleeve through the lead screw for the sliding block moves in the traction groove, the bottom of sliding block is fixed to be equipped with the filter capsule, is provided with the mouth of placing on the filter capsule, place the mouth on the upper surface and the lower surface of filter capsule all are provided with the connecting hole, the connecting hole corresponds and places the mouth and communicate, and the filter capsule is located the top of gas outlet, the bottom of filter capsule is fixed mounting has the sealing washer, the bottom of filter capsule and the gas outlet bottom surface of going on paste with the seal groove, seal groove and seal groove carry out the joint.

Preferably, one end of each screw rod movably penetrates through the operation block, a first chain wheel and a second chain wheel are fixedly arranged at the bottoms of the two screw rods respectively, and the distance from the first chain wheel to the surface of the desulfurization and denitrification cylinder is larger than that from the second chain wheel to the surface of the desulfurization and denitrification cylinder.

Preferably, the top fixed mounting of desulfurization denitration section of thick bamboo be equipped with the operation motor, the output fixed mounting of operation motor has the connecting rod, fixed mounting has third sprocket and fourth sprocket on the connecting rod, the fourth sprocket is located the top of third sprocket, first sprocket with the fourth sprocket on the winding have first chain, second sprocket with the third sprocket on the winding have the second chain.

(III) beneficial effects

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

1. according to the boiler waste gas desulfurization and denitrification device, boiler waste gas enters desulfurization liquid on a desulfurization tank through an air inlet pipe, the waste gas reacts with the desulfurization liquid and then is transmitted into the denitration liquid in the denitrification tank through a transmission pipe, a transmission motor is started, two fifth chain wheels rotate in the same direction under the transmission of a third chain, a rotating rod drives a rotating blade to rotate, the rotating blade breaks bubbles generated by the waste gas, the reaction effect of the desulfurization liquid and the denitration liquid on the waste gas is improved, and the waste gas is discharged through an air outlet pipe after the reaction is completed.

2. According to the boiler waste gas desulfurization and denitrification device, the operating motor is started to enable the third chain wheel and the fourth chain wheel to rotate in the same direction, the rotation directions of the first chain wheel and the second chain wheel are the same under the transmission of the first chain and the second chain, the screw rod rotates in the threaded sleeve, the sliding block moves on the traction groove, the filter box moves towards the direction of the air outlet, and when the bottom of the filter box is attached to the bottom surface of the air outlet, the sealing ring is clamped with the sealing groove, so that air sealing is increased, the activated carbon is located in the air outlet pipe, moisture in waste gas is conveniently treated, the activated carbon is saturated in adsorption, and the activated carbon is conveniently cleaned.

Drawings

FIG. 1 is a schematic diagram of the front view structure of a boiler exhaust gas desulfurization and denitrification device in the utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 5 is a schematic diagram of a rear view structure of a boiler exhaust gas desulfurization and denitrification device in the utility model.

In the figure:

10. a desulfurization and denitrification cylinder; 11. an air inlet pipe; 12. an air outlet pipe; 13. an air outlet;

20. an operation block; 21. a sliding block; 22. assembling a rod; 23. a filter box;

30. a placement port; 31. operating the motor; 32. a first reaction tank; 33. a desulfurization tank;

40. a second reaction tank; 41. a denitration tank; 42. a rotating lever; 43. rotating the blade;

50. pouring a funnel cover; 51. a connection hole; 52. a rotating chamber; 53. a traction groove;

60. a screw rod; 61. a threaded sleeve; 62. a seal ring; 63. a connection port;

70. sealing grooves; 71. a first sprocket; 72. a first chain; 73. a second sprocket;

80. a drive motor; 81. a connecting rod; 82. a third sprocket; 83. a fourth sprocket;

90. a second chain; 91. a fifth sprocket; 92. a third chain; 93. a fixing frame; 94. a transfer tube.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1 to 5, which are schematic structural views of a boiler exhaust gas desulfurization and denitrification device according to a preferred embodiment of the present utility model, the boiler exhaust gas desulfurization and denitrification device according to this embodiment includes a desulfurization and denitrification barrel 10, a first reaction tank 32 is fixedly installed on an inner wall of the desulfurization and denitrification barrel 10, a desulfurization tank 33 is provided on the first reaction tank 32, an inverted funnel cover 50 is fixedly installed on an upper surface of the first reaction tank 32, an interior of the inverted funnel cover 50 is communicated with an interior of the desulfurization tank 33, a second reaction tank 40 is fixedly installed on an inner wall of the desulfurization and denitrification barrel 10, a denitrification tank 41 is provided on the second reaction tank 40, an air inlet pipe 11 is fixedly installed on the desulfurization and denitrification barrel 10, one end of the air inlet pipe 11 penetrates from a bottom of the first reaction tank 32 to an upper surface of the first reaction tank 32, and one end of the air inlet pipe 11 is located in the desulfurization tank 33, the inverted funnel cover 50 is fixedly provided with a transmission pipe 94, one end of the transmission pipe 94 penetrates through the bottom of the second reaction tank 40 to the upper surface of the second reaction tank 40, one end of the transmission pipe 94 is positioned in the denitration tank 41, the desulfurization and denitration cylinder 10 is symmetrically and movably provided with a rotating rod 42, one ends of the two rotating rods 42 respectively penetrate through the second reaction tank 40 to the denitration tank 41 and the first reaction tank 32 to the desulfurization tank 33, the rotating rod 42 is fixedly provided with a rotating blade 43, the two rotating blades 43 are respectively positioned in the denitration tank 41 and the desulfurization tank 33, the other ends of the rotating rods 42 are fixedly provided with fifth chain wheels 91, a third chain 92 is wound on the two fifth chain wheels 91, the desulfurization and denitration cylinder 10 is fixedly provided with a fixing frame 93, the fixing frame 93 is fixedly provided with a transmission motor 80, the output end of the transmission motor 80 movably penetrates through the fixing frame 93, and the output end of the transmission motor 80 is fixedly assembled with one of the fifth chain wheels 91, the desulfurization liquid is placed on the desulfurization tank 33, one end of the air inlet pipe 11 is positioned in the desulfurization liquid, the denitration liquid is placed on the denitration tank 41, and one end of the transmission pipe 94 is positioned in the denitration liquid.

The top of desulfurization and denitrification barrel 10 fixedly is equipped with outlet duct 12, is provided with gas outlet 13 on the outlet duct 12, and the bottom surface of gas outlet 13 is provided with connector 63, connector 63 communicates with the inside of desulfurization and denitrification barrel 10, the bore of gas outlet 13 be greater than the bore of connector 63.

In this embodiment, the boiler waste gas enters into the desulfurization liquid on the desulfurization tank 33 through the air inlet pipe 11, the waste gas and the desulfurization liquid react and then are transmitted into the denitration liquid in the denitration tank 41 through the transmission pipe 94, meanwhile, the transmission motor 80 is started, under the transmission of the third chain 92, the two fifth chain wheels 91 rotate in the same direction, the rotating rod 42 drives the rotating blades 43 to rotate, the rotating blades 43 crush bubbles generated by the waste gas, the reaction effect of the desulfurization liquid and the denitration liquid on the waste gas is increased, and the waste gas is discharged through the air outlet pipe 12 after the reaction is completed.

Example 2

As shown in fig. 1 to 5, which are schematic structural diagrams of a boiler exhaust gas desulfurization and denitrification device according to another preferred embodiment of the present utility model, after exhaust gas desulfurization and denitrification is completed, a great amount of moisture is contained in exhaust gas, in order to dry the moisture in the exhaust gas, on the basis of embodiment 1, the device is improved, a seal groove 70 is annularly disposed on the bottom surface of an air outlet 13, the seal groove 70 is located at the outer side of a connection port 63, an operation block 20 is symmetrically and fixedly disposed on the surface of an air outlet 12, a rotating cavity 52 is disposed inside the operation block 20, traction grooves 53 are disposed on the side surfaces of the operation block 20, the traction grooves 53 are correspondingly communicated with the rotating cavity 52, screw rods 60 are movably disposed on the rotating cavity 52, threaded sleeves 61 are disposed on the screw rods 60, the threaded sleeves 61 are disposed in the rotating cavity 52, sliding blocks 21 are correspondingly and movably disposed on the traction grooves 53, a mounting rod 22 is fixedly disposed at the bottom of the sliding blocks 21, a filter box 23 is fixedly disposed at the bottom of the mounting rod 22, a placement port 30 is disposed on the filter box 23, a sealing ring 62 is disposed on the bottom surface of the filter box 23 and is correspondingly connected with the bottom surface of the air outlet 13, and is correspondingly connected with the bottom surface of the filter box 23, and the filter box 23 is fixedly disposed on the bottom surface of the sealing ring 13, and is correspondingly connected with the bottom surface of the filter box 23.

One end of each screw rod 60 movably penetrates through the operation block 20, a first chain wheel 71 and a second chain wheel 73 are fixedly arranged at the bottoms of the two screw rods 60 respectively, and the distance between the first chain wheel 71 and the surface of the desulfurization and denitrification cylinder 10 is larger than the distance between the second chain wheel 73 and the surface of the desulfurization and denitrification cylinder 10.

The top of desulfurization denitration section of thick bamboo 10 fixed mounting be equipped with operation motor 31, operation motor 31's output fixed mounting has connecting rod 81, fixed mounting has third sprocket 82 and fourth sprocket 83 on the connecting rod 81, fourth sprocket 83 is located the top of third sprocket 82, first sprocket 71 with fourth sprocket 83 on twine have first chain 72, second sprocket 73 with third sprocket 82 on twine have second chain 90.

In this embodiment, the operation motor 31 is started to make the third sprocket 82 and the fourth sprocket 83 rotate in the same direction, the rotation directions of the first sprocket 71 and the second sprocket 73 are the same under the transmission of the first chain 72 and the second chain 90, the screw rod 60 rotates in the threaded sleeve 61, the sliding block 21 moves on the traction groove 53, the filter box 23 moves towards the air outlet 13, and when the bottom of the filter box 23 is attached to the bottom surface of the air outlet 13, the sealing ring 62 is clamped with the sealing groove 70, so that the air seal is increased, the activated carbon is located in the air outlet pipe 12, the moisture in the waste gas is conveniently treated, the activated carbon is adsorbed and saturated, and the activated carbon is conveniently cleaned.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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

1. A boiler waste gas desulfurization and denitrification device, which comprises a desulfurization and denitrification cylinder (10),

the method is characterized in that:

the inner wall of the desulfurization and denitrification barrel (10) is fixedly provided with a first reaction tank (32), the first reaction tank (32) is provided with a desulfurization groove (33), the upper surface of the first reaction tank (32) is fixedly provided with a reverse funnel cover (50), the inside of the reverse funnel cover (50) is communicated with the inside of the desulfurization groove (33), the inner wall of the desulfurization and denitrification barrel (10) is fixedly provided with a second reaction tank (40), the second reaction tank (40) is provided with a denitrification groove (41), the desulfurization and denitrification barrel (10) is symmetrically and movably provided with a rotating rod (42), one end of each rotating rod (42) respectively and movably penetrates through the second reaction tank (40) to the denitrification groove (41) and the first reaction tank (32) to the desulfurization groove (33), the rotating rod (42) is fixedly provided with a rotating blade (43), the two rotating blades (43) are respectively positioned in the denitrification groove (41) and the desulfurization groove (33), the other end of each rotating rod (42) is fixedly provided with a second reaction tank (40), the other end of the rotating rod (42) is fixedly provided with a fifth motor (91), one end of each rotating rod (92) is fixedly provided with a motor (93) and the other is fixedly provided with a transmission fixing frame (93) which is fixedly provided with a transmission end of a transmission chain (93), and the output end of the transmission motor (80) is fixedly assembled with one of the fifth chain wheels (91).

2. The boiler exhaust gas desulfurization and denitrification device according to claim 1, wherein: the desulfurization and denitrification barrel (10) on fixed assembly have intake pipe (11), the one end of intake pipe (11) runs through to the upper surface of first reaction tank (32) from the bottom of first reaction tank (32) to the one end of intake pipe (11) is arranged in desulfurization groove (33), fixed assembly has transmission pipe (94) on pouring funnel lid (50), the one end of transmission pipe (94) runs through the upper surface of second reaction tank (40) from the bottom of second reaction tank (40), and the one end of transmission pipe (94) is arranged in denitration groove (41), desulfurization groove (33) on place the desulfurization liquid, the one end of intake pipe (11) is arranged in the desulfurization liquid, has placed the denitration liquid on denitration groove (41), the one end of transmission pipe (94) is arranged in the denitration liquid.

3. The boiler exhaust gas desulfurization and denitrification device according to claim 2, wherein: the top of desulfurization and denitrification barrel (10) fixedly be equipped with outlet duct (12), be provided with gas outlet (13) on outlet duct (12), the bottom surface of gas outlet (13) is provided with connector (63), connector (63) communicate with the inside of desulfurization and denitrification barrel (10).

4. A boiler exhaust gas desulfurization and denitrification device according to claim 3, wherein: the caliber of the air outlet (13) is larger than that of the connecting port (63).

5. The boiler exhaust gas desulfurization and denitrification device according to claim 4, wherein: the bottom surface of the air outlet (13) is annularly provided with a sealing groove (70), the sealing groove (70) is positioned at the outer side of the connecting port (63), the surface of the air outlet pipe (12) is symmetrically and fixedly provided with an operation block (20), the inner part of the operation block (20) is provided with a rotating cavity (52), the side surface of the operation block (20) is provided with a traction groove (53), the traction groove (53) is correspondingly communicated with the rotating cavity (52), the rotating cavity (52) is movably provided with a screw rod (60), the screw rod (60) is uniformly provided with a threaded sleeve (61), the threaded sleeve (61) is positioned in the rotating cavity (52), the threaded sleeve (61) is fixedly provided with a sliding block (21), the sliding block (21) is correspondingly and movably provided with the traction groove (53), the bottom of the sliding block (21) is fixedly provided with an assembly rod (22), the bottom of the assembly rod (22) is fixedly provided with a filter box (23), the filter box (23) is provided with a placement port (30), active carbon is placed on the placement port (30), the filter box (23) is correspondingly provided with the upper surface of the filter box (23) and the filter box (51) is correspondingly connected with the air outlet (13), the bottom of filter box (23) is fixed to be equipped with sealing washer (62), the bottom of filter box (23) when laminating with the bottom surface of gas outlet (13), sealing washer (62) carry out joint with seal groove (70).

6. The boiler exhaust gas desulfurization and denitrification device according to claim 5, wherein: one end of each screw rod (60) movably penetrates through the operation block (20), a first chain wheel (71) and a second chain wheel (73) are fixedly arranged at the bottoms of the two screw rods (60) respectively, and the distance from the first chain wheel (71) to the surface of the desulfurization and denitrification cylinder (10) is larger than the distance from the second chain wheel (73) to the surface of the desulfurization and denitrification cylinder (10).

7. The boiler exhaust gas desulfurization and denitrification device according to claim 6, wherein: the top of desulfurization denitration section of thick bamboo (10) fixed be equipped with operation motor (31), the output fixed assembly of operation motor (31) has connecting rod (81), fixed mounting has third sprocket (82) and fourth sprocket (83) on connecting rod (81), fourth sprocket (83) are located the top of third sprocket (82), first sprocket (71) with fourth sprocket (83) on twine have first chain (72), second sprocket (73) with third sprocket (82) on twine have second chain (90).