CN210674641U - Boiler waste gas purification device - Google Patents
Boiler waste gas purification device Download PDFInfo
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- CN210674641U CN210674641U CN201920713880.5U CN201920713880U CN210674641U CN 210674641 U CN210674641 U CN 210674641U CN 201920713880 U CN201920713880 U CN 201920713880U CN 210674641 U CN210674641 U CN 210674641U
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Abstract
The utility model provides a boiler waste gas purification device, which comprises an air inlet box, an absorption liquid box and a plurality of groups of spray components arranged between the air inlet box and the absorption liquid box; the spraying assembly comprises an air guide channel obliquely arranged between the air inlet box and the absorption liquid box, a spraying pipe arranged in the air guide channel and extending along the length direction of the air guide channel, a spraying head arranged on the spraying pipe, and a driving piece of which the liquid outlet end is communicated with the spraying pipe and used for extracting absorption liquid in the absorption liquid box; one end of the air guide channel is communicated with the air inlet box, the other end of the air guide channel extends into the adsorption liquid box and is communicated with the inside of the adsorption liquid box, and one end, close to the air inlet box, of the air guide channel is higher than one end, close to the adsorption liquid box, of the air guide channel. The utility model discloses can improve the adsorption effect.
Description
Technical Field
The utility model relates to a waste gas purification technical field especially relates to a boiler exhaust gas purification device.
Background
The boiler can produce great waste gas behind the burning rubbish, if can the polluted environment in directly discharging to the air in these waste gases, so can set up purifier and purify waste gas usually. Wherein more purifier who adopts is the spray column, mainly utilizes the shower in the spray column to spray, and the smoke and dust granule in the waste gas can be subsided to the water smoke that sprays out to reach purifying effect.
However, because the inner diameter of the spray tower is large, the water mist generated by spraying is difficult to be distributed in the whole tower body, so that the smoke dust and waste gas are difficult to be adsorbed in a large area.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a boiler exhaust gas purification device.
In order to solve the technical problem, the technical scheme of the utility model is that:
a boiler waste gas purification device comprises an air inlet box, an absorption liquid box and a plurality of groups of spraying components arranged between the air inlet box and the absorption liquid box; the spraying assembly comprises an air guide channel obliquely arranged between the air inlet box and the absorption liquid box, a spraying pipe arranged in the air guide channel and extending along the length direction of the air guide channel, a spraying head arranged on the spraying pipe, and a driving piece of which the liquid outlet end is communicated with the spraying pipe and used for extracting absorption liquid in the absorption liquid box; one end of the air guide channel is communicated with the air inlet box, the other end of the air guide channel extends into the adsorption liquid box and is communicated with the inside of the adsorption liquid box, and one end, close to the air inlet box, of the air guide channel is higher than one end, close to the adsorption liquid box, of the air guide channel.
Through the arrangement, when the waste gas is guided into the gas guide channel through the gas inlet box, the spray pipe in the gas guide channel sprays, compared with a spray tower in the prior art, the inner diameter of the gas guide channel is smaller, so that water mist can be distributed in the whole gas guide channel when the spray pipe sprays in the gas guide channel, and the waste gas can be adsorbed and settled by the water mist sprayed in the gas guide channel when flowing in the gas guide channel; and one end of the air guide channel, which is close to the air inlet box, is higher than one end of the air guide channel, which is close to the adsorption liquid box, so that water for settling the waste gas and smoke dust flows back into the adsorption liquid box along the lower wall of the air guide channel for reuse. And the utility model discloses in spray used not water but adsorption liquid, so not only can adsorb the smoke and dust granule in the waste gas, can also adsorb partly insoluble waste gas to improve purification efficiency.
The utility model discloses further set up to: the spraying pipe is U-shaped, and two sides of the spraying pipe are respectively and fixedly connected to the inner side walls of two sides of the air guide channel; a plurality of groups of spray heads which are arranged oppositely are arranged on the inner side walls of the opposite sides of the spray pipes; one end of the spray pipe is closed, and the other end of the spray pipe penetrates through the air guide channel and is communicated with the liquid outlet end of the driving piece.
Through the arrangement, the spray header on the inner side of the spray pipe can carry out opposite spraying in the opposite direction, so that the spray area can be further sprayed, and more smoke and dust waste gas can be guaranteed to be settled and adsorbed.
The utility model discloses further set up to: the driving piece comprises a water pump which is arranged on the absorption liquid tank and the water inlet end of the water pump extends to the bottom in the absorption liquid tank; the water outlet end of the water pump is communicated with a liquid guide pipe, the other end of the liquid guide pipe is closed, and the end of the spray pipe, which penetrates out of the air guide channel, is communicated with the liquid guide pipe.
Through the setting, the water pump sprays in with the absorption liquid suction spray pipe of absorption liquid incasement, and the water after spraying can flow back once more along the air guide channel and advance absorption liquid incasement once more by the water pump extraction, so can cycle reuse absorption liquid incasement absorption liquid to can practice thrift the absorption liquid quantity greatly.
The utility model discloses further set up to: one end, close to the air inlet box, of the air guide channel is fixedly connected to the outer side wall of the air inlet box, and the side wall of the air inlet box is communicated with the air inlet channel communicated with the air guide channel.
Through the arrangement, the waste gas in the air inlet box can be conveniently guided into the air guide channel by arranging the air inlet channel;
the utility model discloses further set up to: an air inlet pipe communicated with the inside of the air inlet box is arranged on the side wall of one side of the air inlet box; the air inlet box is internally provided with a vertically arranged filter screen, wherein the air inlet pipe and the air inlet channel are separated on two sides of the filter screen.
Through the arrangement, the filter screen is arranged to preliminarily filter the waste gas in the air inlet box, filter a part of large garbage in the waste gas and prevent the garbage from flowing into the air guide channel to block the air guide channel.
The utility model discloses further set up to: the adsorption liquid tank is characterized in that the upper part of the adsorption liquid tank is fixedly connected with an air guide cover communicated with the inside of the adsorption liquid tank, and a demister is detachably connected to the side wall inside the air guide cover.
Through the arrangement, the demister can remove a part of water mist to escape from the air guide hood.
The utility model discloses further set up to: the defroster includes the framework and a plurality of even interval fixed connection at the internal defogging board of framework with the inboard wall adaptation of air guide cover, wherein be the slope structure of buckling in the middle of the defogging board.
Through the above setting, the water smoke can pass through between two adjacent defogging boards when along with the air current, because be the slope structure of buckling in the middle of the defogging board, thereby the water smoke can collide and be the slope structure of buckling in the middle of the defogging board and form the drop of water, finally fall back under gravity and fall into the absorption liquid incasement.
The utility model discloses further set up to: a circle of flanges arranged along the circumferential direction of the inner side wall of the air guide cover are arranged on the inner side wall of the air guide cover; the frame body is placed on the flange; and two handles are symmetrically and fixedly connected to two sides of the upper wall of the frame body.
Through the arrangement, the frame body is placed on the flanges, so that the whole demister can be taken out from the flanges in the later period to clean and maintain the demister, and the handle is arranged to facilitate lifting of the whole demister.
The utility model discloses further set up to: a drain pipe communicated with the bottom in the absorption liquid tank is arranged on the side wall of the bottom of the absorption liquid tank; a valve is arranged on the drain pipe; the side wall of the upper part of the adsorption liquid tank is provided with a liquid injection pipe communicated with the adsorption liquid tank, wherein the outer port of the liquid injection pipe is in threaded connection with a pipe cover.
Through the arrangement, the drain pipe is arranged to facilitate the later discharge of the adsorption liquid in the adsorption liquid tank; the adsorption liquid can be injected into the adsorption liquid box by arranging the liquid injection pipe.
The utility model discloses further set up to: the bottom of the adsorption liquid box is also fixedly connected with a frame with rollers, and the air inlet box is also fixedly connected to the frame.
Through the arrangement, the air inlet box and the adsorption liquid box are arranged on the frame, so that the whole device can be conveniently moved.
To sum up, compare prior art, the utility model has the advantages of:
the utility model can improve the area of the spraying area, thereby improving the adsorption and sedimentation effect on the waste gas; and the utility model discloses in replace water with the adsorption liquid and spray, not only can subside the smoke and dust granule in the waste gas, can also adsorb some waste gas that is insoluble in water.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the air guide channel;
FIG. 3 is a schematic view of the internal mechanism of the intake box;
FIG. 4 is a schematic view of the internal structure of the adsorption liquid tank;
FIG. 5 is a schematic illustration of a demister configuration;
fig. 6 is a schematic structural view of the defogging plate.
Reference numerals: 1. an air intake box; 11. an air inlet pipe; 12. a filter screen; 2. an adsorption liquid tank; 3. a spray assembly; 31. an air guide channel; 32. a shower pipe; 33. a shower head; 34. a drive member; 341. a water pump; 342. a catheter; 4. an air intake passage; 5. a gas guide hood; 51. blocking edges; 6. a demister; 61. a frame body; 62. a defogging plate; 63. a handle; 7. a drain pipe; 71. a valve; 8. a liquid injection pipe; 81. a tube cover; 9. a frame; 91. and a roller.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
Example (b):
referring to fig. 1, the present embodiment provides a boiler exhaust gas purification apparatus, including an air inlet box 1 for air intake, an absorption liquid box 2 for storing absorption liquid, and a plurality of groups of spray assemblies 3 disposed between the air inlet box 1 and the absorption liquid box 2; wherein the adsorption liquid can be selected according to the requirement, such as acid liquid, alkali liquid, etc.
As shown in fig. 2, the spray assembly 3 includes an air guide channel 31 obliquely disposed between the air inlet box 1 and the absorption liquid box 2, a spray pipe 32 disposed in the air guide channel 31 and extending along the length direction of the air guide channel 31, a spray header 33 disposed on the spray pipe 32, and a driving member 34 whose liquid outlet end is communicated with the spray pipe 32 for extracting the absorption liquid in the absorption liquid box 2; wherein air guide channel 31 one end and inlet box 1 intercommunication, the other end extends in the absorption liquid case 2 and the inside intercommunication of absorption liquid case 2, and air guide channel 31 is higher than being close to absorption liquid case 2 one end near 1 one end of inlet box. In this way, the driving part 34 extracts the adsorption liquid in the adsorption liquid tank 2 to the spray pipe 32 and sprays the adsorption liquid out of the spray head 33, so that the smoke dust particles in the waste gas flowing in the gas guide channel 31 are adsorbed, and finally the smoke dust particles flow back to the adsorption liquid tank 2; compared with the spray tower in the prior art, the inner diameter of the air guide channel 31 is smaller, so that water mist can be distributed in the whole air guide channel 31 when the spray pipe 32 sprays in the air guide channel 31, and waste gas can be adsorbed and settled by the water mist sprayed out of the air guide channel 31 when flowing in the air guide channel 31.
As shown in fig. 2, the shower pipe 32 is U-shaped, and both sides of the shower pipe 32 are fixedly connected to the inner sidewalls of both sides of the air guide channel 31, respectively; a plurality of groups of spray heads 33 which are arranged oppositely are arranged on the inner side walls of the opposite sides of the spray pipes 32; one end of the spray pipe 32 is closed, and the other end of the spray pipe penetrates out of the air guide channel 31 to be communicated with the liquid outlet end of the driving piece 34. The spray headers 33 on the inner sides of the spray pipes 32 can spray oppositely in opposite directions, so that more smoke and waste gas can be guaranteed to be settled and adsorbed in a further spraying area.
The driving member 34 includes a water pump 341 mounted on the adsorption liquid tank 2 and having a water inlet end extending to the bottom of the adsorption liquid tank 2; the water outlet end of the water pump 341 is communicated with a liquid guide tube 342, wherein the other end of the liquid guide tube 342 is closed, and the end of the spray pipe 32 penetrating out of the air guide channel 31 is communicated with the liquid guide tube 342. The water pump 341 pumps the adsorption liquid to the shower pipe 32, and finally flows back to the adsorption liquid tank 2 through the air guide channel 31, so that the adsorption liquid can be recycled, and the liquid consumption is saved.
One end of the air guide channel 31 close to the air inlet box 1 is fixedly connected to the outer side wall of the air inlet box 1, and the side wall of the air inlet box 1 is communicated with an air inlet channel 4 communicated with the air guide channel 31.
Referring to fig. 4, an air inlet pipe 11 communicated with the inside of the air inlet box 1 is arranged on the side wall of one side of the air inlet box 1; the interior of the air inlet box 1 is provided with a vertically arranged filter screen 12, wherein the air inlet pipe 11 and the air inlet channel 4 are separated at two sides of the filter screen 12. The exhaust gas entering the intake box 1 can be preliminarily filtered by the filter screen 12 to filter out larger particles in the exhaust gas.
Referring to fig. 5, an air guide hood 5 is fixedly connected to the upper portion of the absorption liquid tank 2 and is communicated with the inside of the absorption liquid tank 2, wherein a demister 6 is detachably connected to the inner side wall of the air guide hood 5.
Referring to fig. 6, the demister 6 includes a frame body 61 adapted to the inner side wall of the air guide hood 5 and a plurality of demister plates 62 fixedly connected in the frame body 61 at uniform intervals, wherein the middle of the demister plates 62 is in an inclined bending structure.
Water smoke can pass through between two adjacent defogging boards 62 along with the air current, because be the slope structure of buckling in the middle of defogging board 62, thereby water smoke can collide and be the slope structure of buckling in the middle of defogging board 62 and form the drop of water, finally fall back into in absorption liquid case 2 under gravity
A circle of flanges 51 arranged along the circumferential direction of the inner side wall of the air guide cover 5 are arranged on the inner side wall of the air guide cover 5; the frame body 61 is placed on the rib 51; and two handles 63 are symmetrically and fixedly connected to both sides of the upper wall of the frame body 61. The entire demister 6 can thus be lifted out of the air guide hood 5 by lifting the handle 63.
A drain pipe 7 communicated with the bottom in the absorption liquid tank 2 is arranged on the side wall of the bottom of the absorption liquid tank 2 and used for discharging waste liquid in the absorption liquid tank 2; a valve 71 is arranged on the water discharge pipe 7; the lateral wall of the upper part of the absorption liquid box 2 is provided with a liquid injection pipe 8 communicated with the absorption liquid box 2 for injecting absorption liquid into the absorption liquid box 2, wherein the outer port of the liquid injection pipe 8 is connected with a pipe cover 81 by screw thread for sealing the pipe orifice.
The bottom of the absorption liquid box 2 is also fixedly connected with a frame 9 with rollers 91, wherein the air inlet box 1 is also fixedly connected on the frame 9. So that the whole device can be conveniently moved.
The implementation principle is as follows:
when the boiler chimney exhaust gas filter works, firstly, exhaust gas exhausted by a boiler chimney is guided into the gas inlet box 1 through the air inducing device, and the exhaust gas can be preliminarily filtered by the filter screen 12 in the gas inlet box 1 to filter out a part of large particles.
The waste gas after preliminary filtration is led into the air guide channel 31 through the air inlet channel 4, the waste gas continues to flow into the absorption liquid box 2 in the air guide channel 31, in the process, the absorption liquid in the absorption liquid box 2 is pumped into the liquid guide pipe 342 by the water pump 341, then is led into the spray pipe 32, and finally is sprayed out by the spray head 33 of the spray pipe 32, so that the narrow air guide channel 31 is filled with water mist, and the smoke particles and a part of waste gas which is insoluble in water in the air guide channel 31 are adsorbed and settled.
After the waste gas is adsorbed and settled in the gas guide channel 31, the waste gas flows back into the adsorption liquid tank 2 along with the spraying liquid and is extracted and utilized again by the water pump 341; meanwhile, the adsorbed waste gas flows upwards into the air guide hood 5 in the adsorption liquid tank 2, and is demisted by a demister 6 in the air guide hood 5, so that a part of water mist mixed in the waste gas is removed.
Above only the typical example of the utility model discloses, in addition, the utility model discloses can also have other multiple concrete implementation manners, all adopt the technical scheme that equivalent replacement or equivalent transform formed, all fall in the utility model discloses the scope of claiming.
Claims (10)
1. A boiler exhaust gas purification device, characterized in that: comprises an air inlet box (1), an absorption liquid box (2) and a plurality of groups of spraying components (3) arranged between the air inlet box (1) and the absorption liquid box (2); the spraying assembly (3) comprises an air guide channel (31) obliquely arranged between the air inlet box (1) and the adsorption liquid box (2), a spraying pipe (32) arranged in the air guide channel (31) and extending along the length direction of the air guide channel (31), a spraying head (33) arranged on the spraying pipe (32), and a driving piece (34) of which the liquid outlet end is communicated with the spraying pipe (32) and used for extracting adsorption liquid in the adsorption liquid box (2); one end of the air guide channel (31) is communicated with the air inlet box (1), the other end of the air guide channel extends into the adsorption liquid box (2) and is communicated with the interior of the adsorption liquid box (2), and one end, close to the air inlet box (1), of the air guide channel (31) is higher than one end, close to the adsorption liquid box (2).
2. The boiler exhaust gas purification apparatus according to claim 1, wherein: the spraying pipe (32) is U-shaped, and two sides of the spraying pipe (32) are respectively and fixedly connected to the inner side walls of two sides of the air guide channel (31); a plurality of groups of spray heads (33) which are arranged oppositely are arranged on the inner side walls of the opposite sides of the spray pipes (32); one end of the spray pipe (32) is closed, and the other end of the spray pipe penetrates out of the air guide channel (31) and is communicated with the liquid outlet end of the driving piece (34).
3. A boiler exhaust gas purifying apparatus according to claim 2, characterized in that: the driving piece (34) comprises a water pump (341) which is arranged on the absorption liquid tank (2) and the water inlet end of which extends to the bottom in the absorption liquid tank (2); the water outlet end of the water pump (341) is communicated with a liquid guide pipe (342), the other end of the liquid guide pipe (342) is closed, and one end of the spray pipe (32) penetrating out of the air guide channel (31) is communicated with the liquid guide pipe (342).
4. The boiler exhaust gas purification apparatus according to claim 1, wherein: one end, close to the air inlet box (1), of the air guide channel (31) is fixedly connected to the outer side wall of the air inlet box (1), and the side wall of the air inlet box (1) is communicated with an air inlet channel (4) communicated with the air guide channel (31).
5. The boiler exhaust gas purification apparatus according to claim 4, wherein: an air inlet pipe (11) communicated with the inside of the air inlet box (1) is arranged on the side wall of one side of the air inlet box (1); a vertically arranged filter screen (12) is arranged in the air inlet box (1), wherein the air inlet pipe (11) and the air inlet channel (4) are separated on two sides of the filter screen (12).
6. The boiler exhaust gas purification apparatus according to claim 1, wherein: the adsorption liquid tank is characterized in that the upper part of the adsorption liquid tank (2) is fixedly connected with an air guide hood (5) communicated with the inside of the adsorption liquid tank (2), wherein a demister (6) is detachably connected to the side wall of the inside of the air guide hood (5).
7. The boiler exhaust gas purification apparatus according to claim 6, wherein: the demister (6) comprises a frame body (61) matched with the inner side wall of the air guide hood (5) and a plurality of demisting plates (62) fixedly connected in the frame body (61) at uniform intervals, wherein the middle of each demisting plate (62) is of an inclined bending structure.
8. The boiler exhaust gas purification apparatus according to claim 7, wherein: a circle of flanges (51) arranged along the circumferential direction of the inner side wall of the air guide cover (5) are arranged on the inner side wall of the air guide cover (5); the frame body (61) is placed on the flange (51); and two handles (63) are symmetrically and fixedly connected to two sides of the upper wall of the frame body (61).
9. A boiler exhaust gas purifying apparatus according to any one of claims 1 to 8, characterized in that: a drain pipe (7) communicated with the bottom in the absorption liquid tank (2) is arranged on the side wall of the bottom of the absorption liquid tank (2); a valve (71) is arranged on the drain pipe (7); the side wall of the upper part of the adsorption liquid box (2) is provided with a liquid injection pipe (8) communicated with the adsorption liquid box (2), wherein the outer port of the liquid injection pipe (8) is connected with a pipe cover (81) in a threaded manner.
10. The boiler exhaust gas purification apparatus according to claim 9, wherein: the bottom of the adsorption liquid tank (2) is also fixedly connected with a frame (9) with rollers (91), wherein the air inlet tank (1) is also fixedly connected to the frame (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713880.5U CN210674641U (en) | 2019-05-18 | 2019-05-18 | Boiler waste gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920713880.5U CN210674641U (en) | 2019-05-18 | 2019-05-18 | Boiler waste gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210674641U true CN210674641U (en) | 2020-06-05 |
Family
ID=70894558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920713880.5U Active CN210674641U (en) | 2019-05-18 | 2019-05-18 | Boiler waste gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210674641U (en) |
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2019
- 2019-05-18 CN CN201920713880.5U patent/CN210674641U/en active Active
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