CN213725442U - Dust collecting system for calcined gypsum powder - Google Patents
Dust collecting system for calcined gypsum powder Download PDFInfo
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- CN213725442U CN213725442U CN202022636883.9U CN202022636883U CN213725442U CN 213725442 U CN213725442 U CN 213725442U CN 202022636883 U CN202022636883 U CN 202022636883U CN 213725442 U CN213725442 U CN 213725442U
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- desulfurizing tower
- kiln
- kiln tail
- dust
- tail cover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The utility model provides a dust collecting system for calcined gypsum powder, which comprises a rotary kiln, a kiln head cover and a kiln tail cover, and a first desulfurizing tower and a second desulfurizing tower, wherein the kiln tail cover is sequentially connected with the first desulfurizing tower and the second desulfurizing tower; the middle part of the inner side of the kiln tail cover is provided with a dust gas inlet which is communicated with the rotary kiln, the upper part in the kiln tail cover is provided with a dust filter screen, the dust filter screen is provided with a dust filter layer, the lower part of the kiln tail cover is provided with a dust return prevention cover, the lower end of the kiln tail cover is provided with a discharge hole, the top end of the kiln tail cover is provided with an exhaust pipe, the other end of the exhaust pipe extends into the tower, and the pipe is provided with an exhaust fan; the upper part of the first desulfurizing tower is provided with an outlet, the bottom of the second desulfurizing tower is provided with an inlet, and the two ports are connected through a pipeline. The utility model discloses be equipped with dust buffer structure in the kiln hood, the dust of avoiding advancing kiln hood bottom is wafted, increases dust removal effect, and the gas after filtering the dust through the filter layer removes sulphur, reduces the inside pollutant of combustion gas, reduces the pollution to the environment.
Description
Technical Field
The utility model relates to a calcine calcined gypsum technical field, specifically a calcine calcined gypsum powder dust collecting system.
Background
The calcined gypsum is generally calcined gypsum and its component Ca [ SO ]4]·0.5H2O, monoclinic system, the crystal is in a microscopic needle shape, is similar to a gypsum false appearance, is also in a block shape, is colorless or white, has a streak white, is similar to glass luster, is opaque, has the hardness of about 2 and the density of 2.55-2.67 g/cm ^3, is produced in pores of lead-zinc ore oxidized zones, salt lake gypsum claystone and sprayed rocks, can produce more smoke dust in a rotary kiln in the calcined gypsum, and has a dust collection system for reducing the emission of the smoke dust.
However, the front part of the rotary kiln used for calcining the calcined gypsum in the current market is a kiln head cover communicated with the output end of the fluidized bed furnace, the rear part of the rotary kiln is a kiln tail cover, and a flue gas dust collector is directly connected with the kiln tail cover for dust removal.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a calcine plaster powder dust collecting system to solve the flue gas dust remover that current rotary kiln tail cover used and remove dust thoroughly, cause partial flue gas escape, the problem of polluted environment.
In order to achieve the above object, the utility model provides a following technical scheme:
a dust collecting system for calcined gypsum powder comprises a rotary kiln, a first desulfurizing tower and a second desulfurizing tower, wherein the rotary kiln is provided with a kiln head cover and a kiln tail cover, the kiln tail cover is connected with the first desulfurizing tower, and the first desulfurizing tower is connected with the second desulfurizing tower; the middle part of the inner side surface of the kiln tail cover is provided with a dust gas inlet communicated with the rotary kiln, the upper part in the kiln tail cover is provided with a dust filter screen, the dust filter screen is provided with a dust filter layer, the lower part in the kiln tail cover is provided with a dust return prevention cover, the lower end of the kiln tail cover is provided with a discharge hole, the top end of the kiln tail cover is provided with an exhaust pipe, the other end of the exhaust pipe penetrates through the top surface of the first desulfurization tower and extends into the first desulfurization tower, and the exhaust pipe is provided with an exhaust fan; the upper portion of first desulfurizing tower is equipped with the export, and the bottom of second desulfurizing tower is equipped with the import, and two mouths meet through the pipeline.
Further, the shower nozzle is installed on upper portion in the first desulfurizing tower, and the splashproof net is installed to the top of shower nozzle, and the splashproof net is fixed in first desulfurizing tower, and the desulfurization is cotton installed to the below of shower nozzle, the blast pipe runs through the splashproof net and the lower part that the desulfurization cotton stretched into in the first desulfurizing tower, and the lower part injection of first desulfurizing tower has the clear water, and first desulfurizing tower bottom meets with the input of water pump, and the output of water pump meets through the pipeline with the shower nozzle.
Further, an outlet at the upper part of the first desulfurization tower is positioned above the splash-proof net.
Further, install the puddler in the second desulfurizing tower, the puddler passes through agitator motor drive and rotates, installs the supporting network in the second desulfurizing tower, and the supporting network is located the puddler below, and second desulfurizing tower upper portion is provided with the exhaust net, is desulfurization absorption chamber between supporting network and the exhaust net lower extreme, and the desulfurization absorption intracavity is filled there is desulfurization active carbon particle.
Further, the inlet at the bottom of the second desulfurization tower is positioned below the supporting net.
Further, the kiln tail cover is supported and fixed through the mounting seat.
Further, the welding of first desulfurizing tower lower extreme has the supporting seat, and the supporting seat also is located the mount pad.
Furthermore, a sewage draining outlet is formed in the bottom surface of the first desulfurizing tower.
Furthermore, the spray heads are eight, four spray heads form a group, and every two spray heads are correspondingly arranged on the opposite sides in the first desulfurization tower.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses calcine kiln tail cover at plaster of paris rotary kiln rear portion and first, two desulfurizing towers meet in proper order, through setting up kiln tail cover dust removal structure, the inside of kiln tail cover is provided with dust buffer structure, the dust of avoiding advancing kiln tail cover bottom is wafted, increase dust removal effect, and the upper end of kiln tail cover is provided with the filter layer, filter the dust, the gas after filtering the dust removes sulphur and handles, reduces the inside pollutant of combustion gas, reduces the pollution to the environment.
The utility model discloses install the puddler of stirring desulfurization active carbon granule in the second desulfurizing tower, stirring active carbon granule makes active carbon granule keep active, increases the filter effect of active carbon.
Drawings
FIG. 1 is a schematic view showing the construction of a dust collecting system for calcined gypsum powder;
FIG. 2 is a perspective view of a kiln hood in a dust collecting system for calcined gypsum powder;
fig. 3 is a perspective view of a first desulfurization tower and a second desulfurization tower in a calcined gypsum powder dust collecting system.
In the figure: 1. a rotary kiln; 2. a kiln head cover; 3. a kiln tail cover; 4. a first desulfurization tower; 5. a second desulfurization tower; 6. a mounting seat; 7. a discharge hole of the kiln tail cover; 8. a kiln tail cover dust gas inlet; 9. a dust return prevention cover; 10. a dust filter screen; 11. a dust filtering layer; 12. an exhaust pipe; 13. a supporting seat; 14. an exhaust fan; 15. a water pump; 16. a spray head; 17. a splash-proof net; 18. desulfurizing cotton; 19. a support net; 20. a desulfurization adsorption chamber; 21. an exhaust net; 22. a stirring rod; 23. a stirring motor; 24. a sewage draining outlet.
Detailed Description
The invention will be further explained and explained with reference to the drawings;
referring to fig. 1 to 3, a calcined gypsum powder dust collecting system includes a rotary kiln 1, the rotary kiln 1 is provided with a kiln head cover 2 and a kiln tail cover 3, the kiln tail cover 3 is connected with a first desulfurizing tower 4, the first desulfurizing tower 4 is connected with a second desulfurizing tower 5, specifically:
4 lower extreme welding of first desulfurizing tower has supporting seat 13, supporting seat 13 is located mount pad 6, open the bottom surface of first desulfurizing tower 4 has drain 24, shower nozzle 16 is installed on upper portion in the first desulfurizing tower 4, splashproof net 17 is installed to the top of shower nozzle 16, splashproof net 17 welded fastening is in first desulfurizing tower 4, the cotton 18 of desulfurization is installed to the below of shower nozzle 16, the cotton 18 of desulfurization can set up the multilayer according to the demand, blast pipe 12 runs through the splashproof net 17 and the cotton 18 lower part that stretches into in the first desulfurizing tower 4 of desulfurization, the lower part of first desulfurizing tower 4 is injected into there is the clear water, 4 bottoms of first desulfurizing tower meet with the input of water pump 15, the output of water pump 15 meets through the pipeline with shower nozzle 16. The upper outlet of the first desulfurizing tower 4 is communicated with the bottom inlet of the second desulfurizing tower 5, and the upper outlet of the first desulfurizing tower 4 is positioned above the splash-proof net 17.
Install puddler 22 in the second desulfurizing tower 5, puddler 22 passes through the drive of agitator motor 23 and rotates, agitator motor 23 is located 5 top surfaces of second desulfurizing tower, install supporting network 19 in the second desulfurizing tower 5, supporting network 19 is located puddler 22 below, 5 upper portions of second desulfurizing tower are provided with exhaust net 21, adsorb chamber 20 for the desulfurization between supporting network 19 and the exhaust net 21 lower extreme, the desulfurization adsorbs the intussuseption in chamber 20 and is filled with desulfurization activated carbon particle, the bottom import of second desulfurizing tower 5 is located supporting network 19 below.
The dust filter screen 10 in the first desulfurizing tower 4 is made of chemical fiber, and the dust filter layer 11 is made of dust filtering cotton; eight spray nozzles 16 are provided, and four spray nozzles 16 are arranged in a group, and are correspondingly arranged on the opposite sides in the first desulfurization tower 4 in pairs. Splash guard 17 and support network 19 are stainless steel's component, all offer a plurality of bleeder vents of 2MM size on splash guard 17 and the support network 19.
The utility model discloses a theory of operation is: when the rotary kiln 1 is used, smoke in the rotary kiln 1 enters the kiln tail hood 3 through a kiln tail hood dust gas inlet 8, dust falls to the lower end of the kiln tail hood 3 through a dust return prevention hood 9, dust in the kiln tail hood 3 can be led out through a kiln tail hood discharge port 7, gas enters the upper end of the kiln tail hood 3 after being filtered by a dust filter screen 10 and a dust filter layer 11, an exhaust fan 14 on an exhaust pipe 12 operates to guide gas at the upper end of the kiln tail hood 3 into the first desulfurizing tower 4, a water pump 15 operates to pump water liquid in the first desulfurizing tower 4 to be sprayed out for desulfurizing through a spray nozzle 16, the gas discharged from the exhaust pipe 12 flows upwards from the bottom in the first desulfurizing tower 4, when passing through a desulfurizing cotton 18, the gas is attached to the desulfurizing cotton 18 to slow down the gas flowing speed and increase the desulfurizing efficiency, the gas is sprayed by the spray nozzle 16 to be further adsorbed and desulfurized, and then enters the second desulfurizing tower 5 through a splash net 17 to pass through a desulfurizing adsorption cavity 20, the stirring motor 23 drives the stirring rod 22 to rotate and stir the activated carbon in real time, the gas inside the second desulfurization tower 5 is filtered in real time through the activated carbon, and the filtered gas is discharged through the exhaust net 21. When the device is used, the water liquid in the first desulfurizing tower 4 is discharged through the drain outlet 24, and the new water liquid is replaced, so that the next operation of the device is facilitated.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a calcine plaster powder dust collecting system, includes the rotary kiln, and the rotary kiln is equipped with kiln hood cover and kiln tail cover, its characterized in that: the kiln tail hood is characterized by further comprising a first desulfurizing tower and a second desulfurizing tower, wherein the kiln tail hood (3) is connected with the first desulfurizing tower (4), and the first desulfurizing tower (4) is connected with the second desulfurizing tower (5); the middle part of the inner side surface of the kiln tail cover (3) is provided with a dust gas inlet (8) communicated with the rotary kiln (1), the upper part in the kiln tail cover (3) is provided with a dust filter screen (10), the dust filter screen (10) is provided with a dust filter layer (11), the lower part in the kiln tail cover (3) is provided with a dust return prevention cover (9), the lower end of the kiln tail cover (3) is provided with a discharge hole (7), the top end of the kiln tail cover (3) is provided with an exhaust pipe (12), the other end of the exhaust pipe (12) penetrates through the top surface of the first desulfurizing tower (4) and extends into the first desulfurizing tower (4), and the exhaust pipe (12) is provided with an exhaust fan (14); the upper part of the first desulfurizing tower (4) is provided with an outlet, the bottom of the second desulfurizing tower is provided with an inlet, and the two openings are connected through a pipeline.
2. A calcined gypsum powder dust collection system according to claim 1, wherein: shower nozzle (16) are installed on upper portion in first desulfurizing tower (4), and splashproof net (17) are installed to the top of shower nozzle (16), and splashproof net (17) are fixed in first desulfurizing tower (4), and desulfurization cotton (18) are installed to the below of shower nozzle (16), blast pipe (12) run through splashproof net (17) and desulfurization cotton (18) stretch into the lower part in first desulfurizing tower (4), and the lower part injection of first desulfurizing tower (4) has clear water, and first desulfurizing tower (4) bottom meets with the input of water pump (15), and the output of water pump (15) meets through the pipeline with shower nozzle (16).
3. A calcined gypsum powder dust collection system according to claim 2, wherein: the outlet at the upper part of the first desulfurizing tower (4) is positioned above the splash-proof net (17).
4. A calcined gypsum powder dust collection system according to claim 1, wherein: install puddler (22) in second desulfurizing tower (5), puddler (22) are rotated through agitator motor (23) drive, install supporting network (19) in second desulfurizing tower (5), supporting network (19) are located puddler (22) below, second desulfurizing tower (5) upper portion is provided with exhaust net (21), adsorb chamber (20) for the desulfurization between supporting network (19) and exhaust net (21) lower extreme, desulfurization adsorbs the intussuseption of chamber (20) and is filled with desulfurization activated carbon particle.
5. A calcined gypsum powder dust collection system according to claim 4, wherein: the inlet at the bottom of the second desulfurizing tower (5) is positioned below the supporting net (19).
6. A calcined gypsum powder dust collecting system according to any one of claims 1 to 5, wherein: the kiln tail cover (3) is supported and fixed through the mounting seat (6).
7. A calcined gypsum powder dust collection system according to claim 6, wherein: the lower end of the first desulfurizing tower (4) is welded with a supporting seat (13), and the supporting seat (13) is also positioned on the mounting seat (6).
8. A calcined gypsum powder dust collecting system according to claim 1, 2, 3, 4, 5 or 7, wherein: the bottom surface of the first desulfurizing tower (4) is provided with a sewage draining outlet (24).
9. A calcined gypsum powder dust collecting system according to claim 2 or 3, wherein: eight spray heads (16) are arranged, four spray heads (16) are in a group, and every two spray heads are correspondingly arranged on the opposite sides in the first desulfurizing tower (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022636883.9U CN213725442U (en) | 2020-11-16 | 2020-11-16 | Dust collecting system for calcined gypsum powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022636883.9U CN213725442U (en) | 2020-11-16 | 2020-11-16 | Dust collecting system for calcined gypsum powder |
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| Publication Number | Publication Date |
|---|---|
| CN213725442U true CN213725442U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022636883.9U Active CN213725442U (en) | 2020-11-16 | 2020-11-16 | Dust collecting system for calcined gypsum powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452722A (en) * | 2021-12-27 | 2022-05-10 | 杰瑞环保科技有限公司 | Thermal desorption equipment |
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2020
- 2020-11-16 CN CN202022636883.9U patent/CN213725442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114452722A (en) * | 2021-12-27 | 2022-05-10 | 杰瑞环保科技有限公司 | Thermal desorption equipment |
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