CN208340380U - Boiler desulphurization denitration dedusting minimum discharge system - Google Patents
Boiler desulphurization denitration dedusting minimum discharge system Download PDFInfo
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- CN208340380U CN208340380U CN201820202562.8U CN201820202562U CN208340380U CN 208340380 U CN208340380 U CN 208340380U CN 201820202562 U CN201820202562 U CN 201820202562U CN 208340380 U CN208340380 U CN 208340380U
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- desulphurization denitration
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- remover
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- dust
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Abstract
A kind of boiler desulphurization denitration dedusting minimum discharge system, remover, moisture trap, chimney are combined including boiler, flue, bag filter, air-introduced machine, desulphurization denitration water bath dust-removing, boiler connects the top that bag filter, air-introduced machine and desulphurization denitration water bath dust-removing combine remover by flue order, moisture trap combines the connection of remover upper end with desulphurization denitration water bath dust-removing, and moisture trap upper end connects chimney lower part by the second flue；Desulphurization denitration water bath dust-removing combines longitudinal direction among remover inner cavity and is equipped with isolating device, desulphurization denitration water bath dust-removing combination remover inner cavity is divided into left and right two chambers, left and right cavity bottom communicates；Left chamber's inner upper end is fixed with devulcanizer and the second denitrator, and moisture trap is fixed at right chamber upper end, and left and right chamber top is for cavity, and the cavity height is 0.3m-0.5m, and lower part is filled with water.By the technical program, gas cleaning is high-efficient, is conducive to environmental protection, while investing small, and land occupation is few.
Description
Technical field
The present invention relates to flue gas purification devices after boiler combustion, more particularly to boiler desulphurization denitration dedusting minimum discharge
System.
Background technique:
Contain different degrees of sulphur, nitre and flue dust, a large amount of flue gas in the flue gas that fire coal biomass fired boiler generates now
Serious pollution is caused to atmosphere, therefore particularly significant to the desulphurization and denitration of flue gas and purification purified treatment, especially with
To the severization of nitrogen oxides, sulfur dioxide control standard, while realizing that desulphurization and denitration dedusting technology is increasingly subject to various aspects
Pay attention to.Desulphurization and denitration and dedusting technology are in research and Industrial demonstration stage mostly in flue gas at present, due in set of system
In realize desulphurization and denitration and dedusting simultaneously, invest big, at high cost, take up a large area.
Utility model content:
For above-mentioned problems of the prior art, the present invention provides a kind of boiler desulphurization denitration dedusting minimum discharge
System and its desulphurization denitration dust removal method, technical solution are:
A kind of boiler desulphurization denitration dedusting minimum discharge system, including it is boiler, flue, bag filter, air-introduced machine, de-
Sulphur denitration water bath dust-removing combines remover, moisture trap, chimney, and boiler connects bag filter, air inducing by flue order
The top of machine and desulphurization denitration water bath dust-removing combination remover, moisture trap combine in remover with desulphurization denitration water bath dust-removing
End connection, moisture trap upper end connect chimney lower part by the second flue；
Desulphurization denitration water bath dust-removing combines longitudinal direction among remover inner cavity and is equipped with isolating device, by desulphurization denitration water bath dust-removing
Combination remover inner cavity is divided into left and right two chambers, and left and right cavity bottom communicates；
Left chamber's inner upper end is fixed with devulcanizer and the second denitrator, and moisture trap is fixed in right chamber
End, left and right chamber top is cavity, and the cavity height is 0.3m-0.5m, and lower part is filled with water.
Above-mentioned technical proposal can be further improved are as follows:
Ammonium hydroxide denitrator is equipped in the burner hearth of the boiler, and ammonium hydroxide denitrator is 30 centimetres apart from burner hearth bottom.
Opening is equipped among the isolating device bottom.
The isolating device bottom is placed in the top of desulphurization denitration water bath dust-removing combination remover bottom, and the former bottom with
The bottom of the latter has certain distance.
The isolating device is divider wall or isolation board.
The desulphurization denitration water bath dust-removing combination remover is additionally provided with the dust processing pond communicated with right chamber bottom, dust
The height of processing pond is greater than or equal to the water surface of left and right chamber, lower than the height of left and right chamber.
The dust processing pond is also connected with water circulating pump, and the water inlet end of the water pump protrudes into dust processing pond, water pump
Water outlet connects several spray heads, and the spray head is placed in the top of left chamber and is placed in below devulcanizer and the second denitrator, flue gas
Above input end, for flue gas to be atomized to and accelerated water circulating speed.
The chimney top is equipped with flue gas on-line checking device, height of the flue gas on-line checking device apart from 39 meters of chimney lower end,
The chimney top is equipped with lightning rod, and bottom end is equipped with lightning protection earthing device.
By the technical program, gas cleaning is high-efficient, energy-saving and environment-friendly, while investing small, and occupied area is small, installation
Flexibly, operational safety is stable, convenient operating maintenance is quick.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of boiler desulphurization denitration dedusting minimum discharge system；
Fig. 2 is the structural representation of the embodiment 1 of the connection relationship of divider wall and desulphurization denitration water bath dust-removing combination remover
Figure；
Fig. 3 is the structural representation of the embodiment 2 of the connection relationship of divider wall and desulphurization denitration water bath dust-removing combination remover
Figure；
Wherein: 1. boilers, 2. flues, 3. bag filters, 4. air-introduced machines, 5. water pumps, 6. desulphurization denitration water bath dust-removing groups
Conjunction remover, 7. divider walls, 8. dust processing ponds, 9. chimneys, 10. moisture traps, 11. second flues, 12. flue gases are online
Detector, 13. lightning protection earthing devices, 14. ammonium hydroxide denitrators, 15. devulcanizers, 16. second denitrators.
Specific embodiment:
Embodiment 1:
As shown in Figure 1, 2: a kind of boiler is removed with desulphurization denitration dedusting minimum discharge system, including boiler 1, flue 2, cloth bag
Dirt device 3, air-introduced machine 4, desulphurization denitration water bath dust-removing combine remover 6, moisture trap 10, chimney 9, and boiler 1 passes through flue 2 times
Sequence connects the top of bag filter 3, air-introduced machine 4 and desulphurization denitration water bath dust-removing combination remover 6, moisture trap 10 and de-
Sulphur denitration water bath dust-removing combines the connection of 6 upper end of remover, and 10 upper end of moisture trap connects 9 lower part of chimney by the second flue；
Desulphurization denitration water bath dust-removing combines longitudinal direction among 6 inner cavity of remover and is equipped with divider wall 7, by desulphurization denitration water bath dust-removing
Combination 6 inner cavity of remover is divided into left and right two chambers, is equipped with opening among 7 bottom of divider wall, left and right chamber passes through isolation
The opening in communication of 7 bottom of wall；
Left chamber's inner upper end is fixed with devulcanizer 15 and the second denitrator 16, and moisture trap 10 is fixed at right chamber
Room upper end, left and right chamber top is cavity, and the cavity height is 0.3m-0.5m, and lower part is filled with water.The burner hearth of the boiler 1
It is interior to be equipped with ammonium hydroxide denitrator 14, and ammonium hydroxide denitrator is 30 centimetres apart from burner hearth bottom, denitration effect is best.
The desulphurization denitration water bath dust-removing combination remover 6 is additionally provided with the dust processing pond 8 communicated with right chamber bottom, ash
The height of dirt processing pond is equal to the water surface of left and right chamber, lower than the height of left and right chamber.
The dust processing pond 8 is also connected with water circulating pump 5, and the water inlet end of the water pump 5 protrudes into 8 in dust processing pond, water
The water outlet of pump 5 connects several spray heads, and the spray head is placed in the top of left chamber and is placed in devulcanizer 15 and the second denitrator 16
Above lower section, gas inlet end, for flue gas to be atomized to and accelerated the circulation rate of water.
The chimney top is equipped with flue gas on-line checking device 12, height of the flue gas on-line checking device apart from 39 meters of chimney lower end
Degree, the chimney top are equipped with lightning rod, and bottom end is equipped with lightning protection earthing device 13.
Embodiment 2:
As shown in figure 3, a kind of boiler desulphurization denitration dedusting minimum discharge system, including boiler 1, flue 2, bag-type dust
Device 3, air-introduced machine 4, desulphurization denitration water bath dust-removing combine remover 6, moisture trap 10, chimney 9, and boiler 1 passes through 2 order of flue
Connect the top of bag filter 3, air-introduced machine 4 and desulphurization denitration water bath dust-removing combination remover 6, moisture trap 10 and desulfurization
Denitration water bath dust-removing combines the connection of 6 upper end of remover, and 10 upper end of moisture trap connects 9 lower part of chimney by the second flue；
Desulphurization denitration water bath dust-removing combines longitudinal direction among 6 inner cavity of remover and is equipped with divider wall 7, by desulphurization denitration water bath dust-removing
Combination 6 inner cavity of remover is divided into left and right two chambers, and 7 bottom of divider wall is placed in desulphurization denitration water bath dust-removing combination remover
The top of bottom, and the former bottom and the bottom of the latter have certain distance,
Left and right chamber combines the gap phase between 6 bottom of remover by 7 bottom of divider wall and desulphurization denitration water bath dust-removing
It is logical；
Left chamber's inner upper end is fixed with devulcanizer 15 and the second denitrator 16, and moisture trap 10 is fixed at right chamber
Room upper end, left and right chamber top is cavity, and the cavity height is 0.3m-0.5m, and lower part is filled with water.In the burner hearth of the boiler
Equipped with ammonium hydroxide denitrator 14, and ammonium hydroxide denitrator is 30 centimetres apart from burner hearth bottom, and denitration effect is best.
The desulphurization denitration water bath dust-removing combination remover 6 is additionally provided with the dust processing pond 8 communicated with right chamber bottom, ash
The height of dirt processing pond is equal to the water surface of left and right chamber, lower than the height of left and right chamber.
The dust processing pond 8 is also connected with water circulating pump 5, and the water inlet end of the water pump 5 protrudes into 8 in dust processing pond, water
The water outlet of pump 5 connects several spray heads, and the spray head is placed in the top of left chamber and is placed in devulcanizer 15 and the second denitrator 16
Above lower section, gas inlet end, for flue gas to be atomized to and accelerated the circulation rate of water.
The chimney top is equipped with flue gas on-line checking device, height of the flue gas on-line checking device apart from 39 meters of chimney lower end,
The chimney top is equipped with lightning rod, and bottom end is equipped with lightning protection earthing device.
It is needed according to client or space limitation, Desulfovibrio denitration water bath dust-removing combination remover 6 can be placed in underground, cloth
Bag dust collector 3 is placed in the top of desulphurization denitration water bath dust-removing combination remover 6, so not only can be antifreeze with winter, but also can reduce
Land use area.
The process flow of its desulphurization denitration dedusting is: coal-fired biomass-burning is in the furnace chamber inner combustion of boiler first through ammonium hydroxide
After denitrator carries out preliminary denitration process, the flue gas of generation enters bag filter and carries out dedusting for the first time, and then flue gas is by drawing
Blower enter desulphurization denitration water bath dust-removing combination remover left chamber top cavity, while the devulcanizer on left chamber top,
Second denitrator sprays desulfurizing agent and denitrfying agent, and the spray head of water pump carries out atomizing spray, flue gas is atomized, further desulphurization denitration
Dedusting, as the pressure on left chamber top is gradually increased, flue gas enters communicating along left and right chamber lower portion in the water of left chamber
Place enters right chamber, continues upwardly into the cavity on right chamber top, realizes the further desulphurization denitration dedusting in water；Then
Flue gas enters moisture trap separation, and then the flue gas after gas-water separation enters chimney by the second flue, and the water after separation returns
Fall a right chamber.
At the dust that the mud that desulphurization denitration water bath dust-removing combines a large amount of flue gases of purification in remover passes through right chamber side
It cleans up, is convenient to clean again after the precipitating of reason pond.
By this system, gas cleaning is high-efficient, and removal effect is good, after removing are as follows: dirt 0-8 mg/m3, sulfur dioxide 10-
The existing minimum discharge standard in China: dirt 10mg/m3, dioxy is fully achieved in 30 mg/m3, nitrogen oxides 100-180 mg/m3
Change 50 mg/m3 of sulphur, 200 mg/m3 of nitrogen oxides.
The above, only the preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (8)
1. a kind of boiler desulphurization denitration dedusting minimum discharge system, it is characterised in that: including boiler, flue, bag filter,
Air-introduced machine, desulphurization denitration water bath dust-removing combine remover, moisture trap, chimney, and boiler connects cloth bag by flue order and removes
The top of dirt device, air-introduced machine and desulphurization denitration water bath dust-removing combination remover, moisture trap and desulphurization denitration water bath dust-removing group
The connection of remover upper end is closed, moisture trap upper end connects chimney lower part by the second flue；
Desulphurization denitration water bath dust-removing combines longitudinal direction among remover inner cavity and is equipped with isolating device, combines desulphurization denitration water bath dust-removing
Remover inner cavity is divided into left and right two chambers, and left and right cavity bottom communicates；
Left chamber's inner upper end is fixed with devulcanizer and the second denitrator, and moisture trap is fixed at right chamber upper end, left
Right chamber top is cavity, and the cavity height is 0.3m-0.5m, and lower part is filled with water.
2. boiler as described in claim 1 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the furnace of the boiler
Ammonium hydroxide denitrator is equipped in thorax, and ammonium hydroxide denitrator is 30 centimetres apart from burner hearth bottom.
3. boiler as described in claim 1 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the isolating device
Opening is equipped among bottom.
4. boiler as described in claim 1 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the isolating device
Bottom is placed in the top of desulphurization denitration water bath dust-removing combination remover bottom, and the former bottom and the bottom of the latter have a spacing
From.
5. boiler according to any one of claims 1-4 desulphurization denitration dedusting minimum discharge system, it is characterised in that: described
Isolating device be divider wall or isolation board.
6. boiler as claimed in claim 5 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the desulphurization denitration
Water bath dust-removing combination remover is additionally provided with the dust processing pond communicated with right chamber bottom, and the height of dust processing pond is higher than or waits
In the water surface of left and right chamber, lower than the height of left and right chamber.
7. boiler as claimed in claim 6 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the dust processing
Pond is also connected with water circulating pump, and the water inlet end of the water pump protrudes into dust processing pond, and the water outlet of water pump connects several spray heads, institute
Spray head is stated to be placed in the top of left chamber and be placed in below devulcanizer and the second denitrator, above gas inlet.
8. boiler as described in claim 1 desulphurization denitration dedusting minimum discharge system, it is characterised in that: the chimney top
Equipped with flue gas on-line checking device, the chimney top is equipped with lightning rod, and bottom end is equipped with lightning protection earthing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820202562.8U CN208340380U (en) | 2018-02-06 | 2018-02-06 | Boiler desulphurization denitration dedusting minimum discharge system |
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| CN201820202562.8U CN208340380U (en) | 2018-02-06 | 2018-02-06 | Boiler desulphurization denitration dedusting minimum discharge system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126464A (en) * | 2018-02-06 | 2018-06-08 | 东营市胜东特种纸有限责任公司 | Boiler desulphurization denitration dedusting minimum discharge system and its desulphurization denitration dust removal method |
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2018
- 2018-02-06 CN CN201820202562.8U patent/CN208340380U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126464A (en) * | 2018-02-06 | 2018-06-08 | 东营市胜东特种纸有限责任公司 | Boiler desulphurization denitration dedusting minimum discharge system and its desulphurization denitration dust removal method |
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