CN211246096U - Dust removal and dry desulfurization integrated device - Google Patents
Dust removal and dry desulfurization integrated device Download PDFInfo
- Publication number
- CN211246096U CN211246096U CN201922031988.9U CN201922031988U CN211246096U CN 211246096 U CN211246096 U CN 211246096U CN 201922031988 U CN201922031988 U CN 201922031988U CN 211246096 U CN211246096 U CN 211246096U
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- Prior art keywords
- cavity
- dust removal
- filter
- dust
- hopper
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- 239000000428 dust Substances 0.000 title claims abstract description 124
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 35
- 230000023556 desulfurization Effects 0.000 title claims abstract description 35
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims abstract description 40
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 38
- 239000003546 flue gas Substances 0.000 claims abstract description 38
- 238000000746 purification Methods 0.000 claims abstract description 34
- 239000000920 calcium hydroxide Substances 0.000 claims abstract description 33
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims abstract description 33
- 235000011116 calcium hydroxide Nutrition 0.000 claims abstract description 33
- 239000002699 waste material Substances 0.000 claims abstract description 18
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000011593 sulfur Substances 0.000 claims abstract description 14
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 14
- 239000002956 ash Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 5
- 239000010881 fly ash Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 3
- 235000011941 Tilia x europaea Nutrition 0.000 description 3
- 239000004571 lime Substances 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
Images
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a dust removal and dry desulfurization integrated device, include: the dust removal device comprises a dust removal cavity, a dust collection device and a dust collection device, wherein a flue gas inlet is formed in the dust removal cavity; the purification cavity is connected with the dust removal cavity, and a slaked lime jet orifice is arranged on the purification cavity; the filter cavity is connected with the purification cavity, a flue gas outlet is formed in the filter cavity, a filter device is arranged in the filter cavity, a waste collecting hopper and an ash storing hopper are arranged at the bottom of the filter cavity, the waste collecting hopper is positioned below the filter device, the ash storing hopper corresponds to a slaked lime jet orifice of the purification cavity, and a feed opening of the ash storing hopper is connected with the slaked lime jet orifice through an ejector; the sulfur-containing flue gas enters the purification cavity for desulfurization after being dedusted by the dedusting cavity, and is discharged after being filtered by the filter cavity. The device combines the slaked lime bin and the bag-type dust collector which are desulfurized by the dry method, saves the occupied area, enables the slaked lime to be recycled and saves the cost.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection, more specifically relates to a dust removal and dry desulfurization integrated device.
Background
In the flue gas generated by burning the garbage, the main pollution component is SO2And dust, which can cause serious harm to the atmospheric environment and human health. At present, the main desulfurization mode in the waste incineration industry is semi-dry desulfurization, and a bag-type dust remover is mainly adopted for removing dust, but when a mechanical rotary atomizer device in the semi-dry desulfurization is generally maintained or replaced, a set of dry desulfurization system is additionally arranged for standby in consideration of convenience in operation and maintenance. The standby dry desulfurization system removes acid gas by spraying slaked lime into a flue of a bag-type dust collector. The device has the defects that a slaked lime bin and a matched Roots blower and injection device are required to be additionally arranged, the occupied area is large, and slaked lime injected into the bag-type dust remover cannot be recycled.
Therefore, the integrated device for dust removal and dry desulphurization is expected to be developed, so that the dust removal and the standby dry desulphurization technology are integrated, the materials are recycled, and the land area and the operation cost are saved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a dust removal and dry desulfurization integrated device can make lime hydrate reuse get up with dust removal and dry desulfurization integration, saves land area and operation cost.
In order to achieve the above object, the utility model provides a dust removal and dry desulfurization integrated device, include:
the dust collection device comprises a dust collection cavity, a dust collection device and a dust collection device, wherein the dust collection cavity is internally provided with a dust collection device, the bottom of the dust collection cavity is provided with a dust collection hopper, and the dust collection hopper is provided with a flue gas inlet;
the purification cavity is connected to the dust removal cavity, and a slaked lime jet orifice is formed in the purification cavity;
the filter cavity is connected with the purification cavity, a flue gas outlet is formed in the filter cavity, a filter device is arranged in the filter cavity, a waste collecting hopper and an ash storing hopper are arranged at the bottom of the filter cavity, the waste collecting hopper is positioned below the filter device, and a discharging opening of the ash storing hopper is connected with the slaked lime jet orifice through an ejector;
and sulfur-containing flue gas enters the purification cavity for desulfurization after being dedusted by the dedusting cavity, and is then filtered by the filter cavity and then discharged.
Preferably, the dust removal cavity and the filter cavity are arranged in parallel, and the purification cavity is arranged at the tops of the dust removal cavity and the filter cavity.
Preferably, the dust collecting hopper and the discharge opening of the waste collecting hopper are connected to the fly ash bin through a scraper.
Preferably, the feed opening of the ash storage hopper is connected to the ejector through a Roots blower.
Preferably, the number of the dust collecting hoppers is two, and the two dust collecting hoppers are arranged at the bottom of the dust removing cavity in parallel.
Preferably, the flue gas inlet is arranged on the side wall of the dust collecting hopper.
Preferably, the flue gas outlet is arranged at the top of the filter cavity.
Preferably, the dust removing device and the filtering device both comprise filter bags.
The beneficial effects of the utility model reside in that: flue gas generated by burning garbage enters the dust removal cavity from the flue gas inlet, dust is removed after being filtered by the dust removal device, and the dust falls into a dust collection hopper at the bottom of the dust removal cavity from the dust removal device; the sulfur-containing flue gas without dust enters a purification cavity and reacts with slaked lime entering from a slaked lime jet orifice to carry out desulfurization; the desulfurized gas enters a filter cavity, and the precipitate after the reaction of the sulfur and the slaked lime is filtered by a filter device and then is discharged from a flue gas outlet; the lime storage hopper is used for collecting unreacted lime hydrate entering from the lime hydrate injection port and reflowing to the purification cavity for recycling through the ejector; the precipitate from the reaction of sulfur and slaked lime falls into a waste collection hopper. The dust removal and dry desulfurization are integrated, so that the land area is saved, unreacted slaked lime materials can be recycled, the cost is saved, and the device has the advantages of simple structure, convenience in maintenance, small occupied area, investment saving and the like.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic structural view of an integrated dust removal and dry desulfurization apparatus according to an embodiment of the present invention.
Description of the reference numerals
1. A flue gas inlet; 2. a dust collection hopper; 3. fly ash bin; 4. an ash storage hopper; 5. a waste collection hopper; 6. a filtration device; 7. a filter chamber; 8. a flue gas outlet; 9. a purification chamber; 10. a dust removal cavity; 11. A dust removal device; 12. a slaked lime injection port.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
According to the utility model discloses a dust removal and dry desulfurization integrated device, include:
the dust removal device is arranged in the dust removal cavity, the bottom of the dust removal cavity is provided with a dust collection hopper, and the dust collection hopper is provided with a flue gas inlet;
the purification cavity is connected with the dust removal cavity, and a slaked lime jet orifice is arranged on the purification cavity;
the filter cavity is connected with the purification cavity, a flue gas outlet is formed in the filter cavity, a filter device is arranged in the filter cavity, a waste collecting hopper and an ash storage hopper are arranged at the bottom of the filter cavity, the waste collecting hopper is positioned below the filter device, and a feed opening of the ash storage hopper is connected with a slaked lime jet orifice through an ejector;
the sulfur-containing flue gas enters the purification cavity for desulfurization after being dedusted by the dedusting cavity, and is discharged after being filtered by the filter cavity.
Specifically, flue gas generated by burning garbage enters a dust removal cavity from a flue gas inlet, dust is removed after being filtered by a dust removal device, and the dust falls into a dust collection hopper at the bottom of the dust removal cavity from the dust removal device; the sulfur-containing flue gas without dust enters a purification cavity and reacts with slaked lime entering from a slaked lime jet orifice to carry out desulfurization; the desulfurized gas enters a filter cavity, and the precipitate after the reaction of the sulfur and the slaked lime is filtered by a filter device and then is discharged from a flue gas outlet; the lime storage hopper is used for collecting unreacted lime hydrate entering from the lime hydrate injection port and reflowing to the purification cavity for recycling through the ejector; the precipitate from the reaction of sulfur and slaked lime falls into a waste collection hopper. The dust removal and dry desulfurization are integrated, so that the land area is saved, unreacted slaked lime materials can be recycled, the cost is saved, and the device has the advantages of simple structure, convenience in maintenance, small occupied area, investment saving and the like.
As the preferred scheme, dust removal chamber and filter chamber set up side by side, purify the chamber and set up in the top of dust removal chamber and filter chamber.
In particular, this arrangement results in a smaller footprint for the device.
Preferably, the dust collecting hopper and the waste collecting hopper are connected with the fly ash bin through the scraper.
Preferably, the feed opening of the ash storage hopper is connected with the ejector through a Roots blower.
As preferred scheme, dust collection fill is two, sets up in dust removal cavity bottom side by side.
As preferred scheme, the flue gas inlet sets up on the lateral wall of dust collecting hopper.
Preferably, the flue gas outlet is arranged at the top of the filter cavity.
Specifically, make the lateral wall that contains sulphur flue gas from dust collection fill get into the dust removal chamber, flow upward and get into the purification chamber through dust collector, get into the filter chamber downwards by the purification chamber, discharge by the exhanst gas outlet behind upward filter equipment again, make flue gas flow path be snakelike, guarantee the gas cleaning effect when reducing equipment area.
Preferably, the dust removing device and the filtering device both comprise filter bags.
Examples
Fig. 1 shows a schematic configuration diagram of the integrated dust removal and dry desulfurization apparatus according to the present embodiment.
As shown in fig. 1, the integrated dust removal and dry desulfurization apparatus includes:
the dust removal cavity 10 and the filter cavity 7 are arranged in parallel, the purification cavity 9 is arranged at the tops of the dust removal cavity 10 and the filter cavity 7, the dust removal device 11 is arranged in the dust removal cavity 10, the bottom of the dust removal cavity 10 is provided with two dust collecting hoppers 2, and the flue gas inlet 1 is arranged on the side wall of one dust collecting hopper 2; the purification cavity 9 is connected with the dust removal cavity 10, and a slaked lime jet orifice 12 is arranged on the purification cavity 9; the filter chamber 7 is connected with the purification chamber 9, the filter device 6 is arranged in the filter chamber 7, the waste collection hopper 5 and the ash storage hopper 4 are arranged at the bottom of the filter chamber 7, the waste collection hopper 5 is positioned below the filter device 6, the ash storage hopper 4 corresponds to the slaked lime jet orifice 12 of the purification chamber 9, the feed opening of the ash storage hopper 4 is connected with the slaked lime jet orifice 12 through an ejector and a Roots blower, the dust collection hopper 2 and the feed opening of the waste collection hopper 5 are connected with the fly ash bin through a scraper, and the flue gas outlet 8 is arranged at the top of the filter chamber 7; the sulfur-containing flue gas enters the purification cavity 9 for desulfurization after being dedusted by the dedusting cavity 10, and is discharged after being filtered by the filter cavity 7.
Wherein, the dust removing device 11 and the filtering device 6 are both filter bags.
Flue gas generated by burning garbage enters the dust removal cavity from the flue gas inlet, dust is removed after being filtered by the dust removal device, and the dust falls into a dust collection hopper at the bottom of the dust removal cavity from the dust removal device; the sulfur-containing flue gas without dust enters a purification cavity and reacts with slaked lime entering from a slaked lime jet orifice to carry out desulfurization; the desulfurized gas enters a filter cavity, and the precipitate after the reaction of the sulfur and the slaked lime is filtered by a filter device and then is discharged from a flue gas outlet; the lime storage hopper is used for collecting unreacted lime hydrate entering from the lime hydrate injection port and reflowing to the purification cavity for recycling through the ejector; the precipitate from the reaction of sulfur and slaked lime falls into a waste collection hopper. The dust removal and dry desulfurization are integrated, so that the land area is saved, unreacted slaked lime materials can be recycled, the cost is saved, and the device has the advantages of simple structure, convenience in maintenance, small occupied area, investment saving and the like.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a dust removal and dry desulfurization integrated device which characterized in that includes:
the dust collection device comprises a dust collection cavity, a dust collection device and a dust collection device, wherein the dust collection cavity is internally provided with a dust collection device, the bottom of the dust collection cavity is provided with a dust collection hopper, and the dust collection hopper is provided with a flue gas inlet;
the purification cavity is connected to the dust removal cavity, and a slaked lime jet orifice is formed in the purification cavity;
the filter cavity is connected with the purification cavity, a flue gas outlet is formed in the filter cavity, a filter device is arranged in the filter cavity, a waste collecting hopper and an ash storing hopper are arranged at the bottom of the filter cavity, the waste collecting hopper is positioned below the filter device, and a discharging opening of the ash storing hopper is connected with the slaked lime jet orifice through an ejector;
and sulfur-containing flue gas enters the purification cavity for desulfurization after being dedusted by the dedusting cavity, and is then filtered by the filter cavity and then discharged.
2. The integrated dust removal and dry desulfurization device of claim 1, wherein the dust removal chamber and the filter chamber are arranged in parallel, and the purification chamber is arranged at the top of the dust removal chamber and the filter chamber.
3. The integrated dust removal and dry desulfurization device of claim 1, wherein the dust collection hopper and the discharge opening of the waste collection hopper are connected to the fly ash bin by a scraper.
4. The integrated dust removal and dry desulfurization device of claim 1, wherein the feed opening of the ash storage hopper is connected to the ejector through a roots blower.
5. The integrated dust removal and dry desulfurization device of claim 1, wherein two dust collecting hoppers are arranged in parallel at the bottom of the dust removal chamber.
6. The integrated dust removal and dry desulfurization device of claim 1, wherein the flue gas inlet is disposed on a side wall of the dust collection hopper.
7. The integrated dust removal and dry desulfurization device of claim 1, wherein the flue gas outlet is disposed at the top of the filter chamber.
8. The integrated dust removal and dry desulfurization device of claim 1, wherein both the dust removal device and the filtration device comprise filter bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031988.9U CN211246096U (en) | 2019-11-21 | 2019-11-21 | Dust removal and dry desulfurization integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031988.9U CN211246096U (en) | 2019-11-21 | 2019-11-21 | Dust removal and dry desulfurization integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211246096U true CN211246096U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031988.9U Active CN211246096U (en) | 2019-11-21 | 2019-11-21 | Dust removal and dry desulfurization integrated device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559698A (en) * | 2021-07-22 | 2021-10-29 | 江苏诺伊拓环保工程有限公司 | Flue gas dry desulfurization waste material collecting system |
-
2019
- 2019-11-21 CN CN201922031988.9U patent/CN211246096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113559698A (en) * | 2021-07-22 | 2021-10-29 | 江苏诺伊拓环保工程有限公司 | Flue gas dry desulfurization waste material collecting system |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee after: Tianjin High Energy Era Environmental Technology Co.,Ltd. Country or region after: China Address before: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee before: Tianjin High Energy Times Air Pollution Control Co.,Ltd. Country or region before: China Address after: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee after: Tianjin High Energy Times Air Pollution Control Co.,Ltd. Country or region after: China Address before: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee before: Tianjin high energy JieChuang Environmental Protection Technology Co.,Ltd. Country or region before: China Address after: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee after: Tianjin high energy JieChuang Environmental Protection Technology Co.,Ltd. Country or region after: China Address before: No. 1-1-808-03, North District, Financial and Trade Center, No. 6865 Asia Road, Tianjin Pilot Free Trade Zone (Dongjiang Bonded Port Area), Tanggu District, Binhai New Area, Tianjin 300461 Patentee before: Tianjin JieChuang Environmental Protection Technology Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |