CN205988674U - A kind of semi-dry desulphurization dedusting and can effective process Desulphurization system - Google Patents
A kind of semi-dry desulphurization dedusting and can effective process Desulphurization system Download PDFInfo
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- CN205988674U CN205988674U CN201621011960.9U CN201621011960U CN205988674U CN 205988674 U CN205988674 U CN 205988674U CN 201621011960 U CN201621011960 U CN 201621011960U CN 205988674 U CN205988674 U CN 205988674U
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Abstract
The utility model discloses a kind of semi-dry desulphurization dedusting and can effective process Desulphurization system：The exhanst gas outlet of semi-dry desulphurization tower is communicated to cleaner unit, and the outlet of described cleaner unit introduces chimney through blower fan；Setting Desulphurization storage system, the entrance of described Desulphurization storage system connects described semi-dry desulphurization tower, the ash hole of cleaner unit；Setting slurry pool, described slurry pool is sequentially communicated by reaction tank, sedimentation tank and Buffer Pool and constitutes, and the ash hole of described Desulphurization storage system is communicated to described reaction tank, and reaction tank also connects regenerative agent preparation system.SO in flue gas be can achieve by this system2And the removing of particulate matter, SO2Concentration is less than 35mg/Nm3, dust concentration be less than 5mg/Nm3Reach minimum discharge requirement, and effectively Desulphurization can be carried out recycling utilization, not only reduced operating cost but also efficiently solved the problems, such as the secondary pollution of Desulphurization.
Description
Technical field：
This utility model be related to a kind of semi-dry desulphurization dedusting and can effective process Desulphurization system.
Background technology：
Coal, as the main primary energy of China, accounts in the energy resource consumption of station boiler, Industrial Boiler, coking industry etc.
There is significant proportion, particularly recently as China's expanding economy, the increase to energy demand, significantly increase disappearing of coal
Consumption.Coal can produce sulfur dioxide in burning and also bring along Particulate Pollution simultaneously.For strengthening environmental protection work, country puts into effect
A series of policies and measures, discharge standard limit the discharge of sulfur dioxide and particulate matter, and guiding enterprise increases technological transformation power
Degree, reduces the discharge of sulfur dioxide and particulate matter.
, mostly there is secondary pollution and can not efficient removal SO simultaneously in existing flue gases purification2And the asking of particulate matter
Topic.
Content of the invention：
For overcoming the defect of prior art, the purpose of this utility model is to provide a kind of semi-dry desulphurization dedusting and can have
Effect processes the system of Desulphurization, can achieve SO in flue gas by this system2And the removing of particulate matter, SO2Concentration is less than 35mg/
Nm3, dust concentration be less than 5mg/Nm3, reach minimum discharge requirement, and effectively Desulphurization can be carried out recycling utilization, both dropped
Low operating cost efficiently solves the problems, such as the secondary pollution of Desulphurization again.
This utility model solves technical problem and adopts the following technical scheme that：
A kind of semi-dry desulphurization dedusting and can effective process Desulphurization system：
The exhanst gas outlet of semi-dry desulphurization tower is communicated to cleaner unit, and the outlet of described cleaner unit introduces chimney through blower fan；
Setting Desulphurization storage system, the entrance of described Desulphurization storage system connects described semi-dry desulphurization tower, dedusting
The ash hole of device；
Setting slurry pool, described slurry pool is sequentially communicated by reaction tank, sedimentation tank and Buffer Pool and constitutes, described Desulphurization
The ash hole of storage system is communicated to described reaction tank, and reaction tank also connects regenerative agent preparation system.
Described sedimentation tank connects by-product recovery system.
Serosity in described Buffer Pool is pumped to desulfurization slurry storage system by the road, for recycling.
Described semi-dry desulphurization adopts rotary spraying and drying method or circulating fluid bed semi-drying method desulfurization method.
The desulfurizing agent that semi-dry desulphurization adopts is Na2CO3Or NaOH alkaline matter.
The regenerative agent of described regenerative agent preparation system adopts CaO or Ca (OH)2Cheap alkaline matter.
Compared with the prior art, the beneficial effects of the utility model are embodied in：
1st, desulfurization method can be selected for the semi-dry desulphurization mode such as rotary spraying and drying method or recirculating fluidized bed, can be according to difference
Flue gas operating mode selects different desulfurization methods.
2nd, desulfurizing agent can adopt Na2CO3Or the alkaline matter such as NaOH, select wide wide material sources.
3rd, use CaO or Ca (OH)2It is prepared into serosity etc. cheap alkaline matter and Desulphurization is carried out with Regeneration Treatment, generation
Desulfurization slurry can continue cycling through utilization.
In sum, SO in flue gas be can achieve by this system2And the removing of particulate matter, SO2Concentration is less than 35mg/Nm3、
Dust concentration is less than 5mg/Nm3Reach minimum discharge requirement, and effectively Desulphurization can be carried out recycling utilization, both reduced
Operating cost efficiently solves the problems, such as the secondary pollution of Desulphurization again.
Brief description：
Fig. 1 is structural representation of the present utility model.
In figure label：1 semi-dry desulphurization tower, 2 cleaner units, 3 blower fans, 4 Desulphurization storage systems, 5 by-product recovery
System, 6 regenerative agent preparation systems, 7 desulfurization slurry storage systems, 8 reaction tanks, 9 sedimentation tanks, 10 Buffer Pools.
Below by way of specific embodiment, and the utility model is described in further detail to combine accompanying drawing.
Specific embodiment：
Embodiment：In conjunction with Fig. 1, a kind of semi-dry desulphurization dedusting of the present embodiment and can effective process Desulphurization system,
It is that flue gas enters cleaner unit 2 dedusting after desulfurization in semi-dry desulphurization tower 1, and after purification, flue gas is entered by blower fan 3 feeding chimney
Row qualified discharge.The Desulphurization collected is sent into reaction tank 8 by the Desulphurization storage system 4 of setting, through sedimentation tank after regenerative response
9th, the desulfurization slurry that Buffer Pool 10 obtains is sent to desulfurization slurry storage system 7 and recycles.Described reaction tank 8 is connected with regenerative agent system
Standby system 6.Described sedimentation tank 9 is connected with by-product recovery system 5.
Semi-dry desulphurization can adopt the semi-dry desulphurization mode such as rotary spraying and drying method or recirculating fluidized bed.
The desulfurizing agent that semi-dry desulphurization adopts can be Na2CO3Or the alkaline matter such as NaOH.
The regenerative agent of regenerative agent preparation system (6) can adopt CaO or Ca (OH)2Etc. cheap alkaline matter.
Operation principle and work process are as described below：
Non-purified sulfur-bearing ash-laden gas enters in semi-dry desulphurization tower 1, simultaneously will be de- in desulfurization slurry storage system 7
Sulfur serosity sends into semi-dry desulphurization tower 1, reacts the sulfur dioxide in removing flue gas with smoke contacts.Cigarette after scrubbing CO_2
Gas enters cleaner unit 2 and removes dust granules thing, and the clean flue gas after process carry out qualified discharge by sending into chimney by blower fan 3.
Collected by Desulphurization storage system 4 by the Desulphurization that semi-dry desulphurization tower 1 bottom and cleaner unit 2 are discharged, collection
Desulphurization enters reaction tank 8, adds reaction tank 8 and Desulphurization to carry out chemistry the regenerative agent in regenerative agent preparation system 6 simultaneously
Reaction.After the mixed serum that reaction generates enters sedimentation tank 9 precipitation, suspension clear liquid is sent into desulfurization slurry after entering Buffer Pool 10 and is deposited
Storage system 7 recycles, and precipitate enters after by-product recovery system 5 carries out the process such as dehydrate and can do roadbed, cement delays
Solidifying agent etc..
Using said method, the removing of coke oven flue SO 2 in waste gas and Desulphurization process regenerative process are as follows：(this
Place is only to be illustrated as during regenerative agent as desulfurizing agent, calcium hydroxide with sodium hydroxide)
Desulphurization reaction：
2NaOH+SO2→Na2SO3+H2O
2Na2SO3+O2→2Na2SO4
Desulphurization regenerative response：
Ca(OH)2+Na2SO3→CaSO3↓+2NaOH
Ca(OH)2+Na2SO4→CaSO4↓+2NaOH
2CaSO3+O2→2CaSO4
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of semi-dry desulphurization dedusting and can effective process Desulphurization system it is characterised in that：
The exhanst gas outlet of semi-dry desulphurization tower (1) is communicated to cleaner unit (2), and the outlet of described cleaner unit introduces cigarette through blower fan (3)
Chimney；
Setting Desulphurization storage system (4), the entrance of described Desulphurization storage system connects described semi-dry desulphurization tower (1), removes
The ash hole of dirt device (2)；
Setting slurry pool, described slurry pool is sequentially communicated and is constituted by reaction tank (8), sedimentation tank (9) and Buffer Pool (10), described
The ash hole of Desulphurization storage system (4) is communicated to described reaction tank (8), and reaction tank (8) also connects regenerative agent preparation system
(6).
2. a kind of semi-dry desulphurization dedusting according to claim 1 and can effective process Desulphurization system, its feature exists
In described sedimentation tank (9) connection by-product recovery system (5).
3. a kind of semi-dry desulphurization dedusting according to claim 1 and can effective process Desulphurization system, its feature exists
In the serosity in described Buffer Pool (10) is pumped to desulfurization slurry storage system (7) by the road, for recycling.
4. a kind of semi-dry desulphurization dedusting according to claim 1 and can effective process Desulphurization system, its feature exists
In described semi-dry desulphurization adopts rotary spraying and drying method or circulating fluid bed semi-drying method desulfurization method.
5. a kind of semi-dry desulphurization dedusting according to claim 1 and can effective process Desulphurization system, its feature exists
In the desulfurizing agent that semi-dry desulphurization adopts is Na2CO3Or NaOH alkaline matter.
6. a kind of semi-dry desulphurization dedusting according to claim 1 and can effective process Desulphurization system, its feature exists
In the regenerative agent of described regenerative agent preparation system (6) adopts CaO or Ca (OH)2Cheap alkaline matter.
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| CN201621011960.9U CN205988674U (en) | 2016-08-30 | 2016-08-30 | A kind of semi-dry desulphurization dedusting and can effective process Desulphurization system |
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| CN201621011960.9U CN205988674U (en) | 2016-08-30 | 2016-08-30 | A kind of semi-dry desulphurization dedusting and can effective process Desulphurization system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451532A (en) * | 2019-08-28 | 2019-11-15 | 淮阴工学院 | A kind of sodium method Desulphurization recycling processing method |
| CN111790264A (en) * | 2020-07-01 | 2020-10-20 | 江苏省沙钢钢铁研究院有限公司 | Treatment process for desulfurization tower bottom ash based on SDA (SDA) semidry method |
| CN112044345A (en) * | 2020-09-22 | 2020-12-08 | 马鞍山奥柯环保科技发展有限公司 | Novel SDA desulfurizing tower bed charge cyclic utilization system |
| CN113332849A (en) * | 2021-06-09 | 2021-09-03 | 江苏三井环保股份有限公司 | Flue gas SDA (serial advanced technology architecture) desulfurization and dust removal method |
-
2016
- 2016-08-30 CN CN201621011960.9U patent/CN205988674U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110451532A (en) * | 2019-08-28 | 2019-11-15 | 淮阴工学院 | A kind of sodium method Desulphurization recycling processing method |
| CN111790264A (en) * | 2020-07-01 | 2020-10-20 | 江苏省沙钢钢铁研究院有限公司 | Treatment process for desulfurization tower bottom ash based on SDA (SDA) semidry method |
| CN112044345A (en) * | 2020-09-22 | 2020-12-08 | 马鞍山奥柯环保科技发展有限公司 | Novel SDA desulfurizing tower bed charge cyclic utilization system |
| CN113332849A (en) * | 2021-06-09 | 2021-09-03 | 江苏三井环保股份有限公司 | Flue gas SDA (serial advanced technology architecture) desulfurization and dust removal method |
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Address after: 238100 Anhui city of Ma'anshan province Hanshan County Qingxi Town Industrial Park Patentee after: Tongxing environmental Polytron Technologies Inc Address before: 238100 Anhui city of Ma'anshan province Hanshan County Qingxi Town Industrial Park Patentee before: Anhui Tongxing Environmental Protection Engineering Co.,Ltd. |