CN110465178A - Flue gas desulfurization device - Google Patents
Flue gas desulfurization device Download PDFInfo
- Publication number
- CN110465178A CN110465178A CN201810439038.7A CN201810439038A CN110465178A CN 110465178 A CN110465178 A CN 110465178A CN 201810439038 A CN201810439038 A CN 201810439038A CN 110465178 A CN110465178 A CN 110465178A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- thermal energy
- digester
- flue
- transported
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 110
- 239000003546 flue gas Substances 0.000 title claims abstract description 110
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 32
- 230000023556 desulfurization Effects 0.000 title claims abstract description 31
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 45
- 239000000292 calcium oxide Substances 0.000 claims abstract description 34
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000004064 recycling Methods 0.000 claims abstract description 34
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000002918 waste heat Substances 0.000 claims abstract description 30
- QWWVBNODQCWBAZ-WHFBIAKZSA-N (2r)-2-amino-3-[(2r)-2-carboxy-2-(methylamino)ethyl]sulfanylpropanoic acid Chemical compound CN[C@H](C(O)=O)CSC[C@H](N)C(O)=O QWWVBNODQCWBAZ-WHFBIAKZSA-N 0.000 claims abstract description 23
- 239000003500 flue dust Substances 0.000 claims abstract description 22
- 239000000428 dust Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 45
- 238000010521 absorption reaction Methods 0.000 claims description 24
- 239000012530 fluid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 14
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 14
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 11
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 11
- 239000013618 particulate matter Substances 0.000 claims description 10
- 239000003651 drinking water Substances 0.000 claims description 8
- 235000020188 drinking water Nutrition 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 2
- 239000011575 calcium Substances 0.000 claims 2
- 229910052791 calcium Inorganic materials 0.000 claims 2
- 239000003595 mist Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract description 6
- 239000005864 Sulphur Substances 0.000 abstract description 6
- -1 sulphur compound Chemical class 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- AQGDXJQRVOCUQX-UHFFFAOYSA-N N.[S] Chemical compound N.[S] AQGDXJQRVOCUQX-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/502—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/508—Sulfur oxides by treating the gases with solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses flue gas desulfurization devices, including air inlet pipe, waste heat recycling bins, thermal energy converter, calcium oxide particle, sodium hydroxide solution, atomizer and methyllanthionine solution, the air inlet pipe is mounted on the air inlet being arranged on the left of waste heat recycling bins, the inside of the waste heat recycling bins is equipped with flue dust strainer, heat absorbing conduit is installed inside waste heat recycling bins on the right side of the flue dust strainer, the left end of the heat absorbing conduit is mounted on the water outlet of the first delivery pump, water tank is installed on the right side of first delivery pump, thermal energy converter is installed on the right side of the water tank, gas pipeline is installed on gas outlet on the right side of the waste heat recycling bins, gasing pump is installed on the gas pipeline.The present invention solves the problem of removing of the sulphur in flue gas is insufficient, and flue gas still contains a large amount of dust after treatment.
Description
Technical field
The present invention relates to flue gas desulfurization device technical fields, specially flue gas desulfurization device.
Background technique
Flue gas desulfurization (FGD) is industrial trade large-scale application, effective sulfur method.According to sulphur compound absorbent and
The form of byproduct, desulfurization technology can be divided into dry method, semidry method and three kinds of wet process.Dry desulfurizing process mainly utilizes solid to inhale
The SO2 in agent removal flue gas is received, generally limestone fines are sprayed into burner hearth, it is made to be thermally decomposed into CaO, are absorbed in flue gas
SO2 generates CaSO3, collects together with flying dust in deduster or is discharged through chimney.Wet process of FGD is using liquid-absorbant
Gas liquid reaction under ionic conditions, and then the SO2 in flue gas is removed, system device therefor is simple, stable and reliable operation, desulfurization
It is high-efficient.The great advantage of dry desulfurization is the discharge without waste water, spent acid in administering, and reduces secondary pollution；The disadvantage is that desulfurization
Low efficiency, equipment are huge.Wet desulphurization uses liquid-absorbant washing flue gas to remove SO2, and device therefor is fairly simple, operation
It is easy, desulfuration efficiency is high；But flue gas after desulfurization temperature is lower, and the corrosion of equipment is serious compared with dry method.
But existing flue gas desulfurization device has the following deficiencies:
1. existing flue gas desulfurization device, in sweetening process, the sulphur in flue gas is removed insufficient；
2. existing flue gas desulfurization device, flue gas still containing a large amount of dust etc., is discharged into outside outside contamination after treatment
Boundary's environment.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides flue gas desulfurization device, the sulphur removing solved in flue gas is not filled
Point, flue gas after treatment still contain a large amount of dust the problem of.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: flue gas desulfurization device, including air inlet pipe, waste heat return
Case, thermal energy converter, calcium oxide particle, sodium hydroxide solution, atomizer and methyllanthionine solution, the air inlet pipe is received to be mounted on
On the air inlet being arranged on the left of waste heat recycling bins, the inside of the waste heat recycling bins is equipped with flue dust strainer, the flue dust strainer
Heat absorbing conduit is installed, the left end of the heat absorbing conduit is mounted on the water outlet of the first delivery pump inside the waste heat recycling bins on right side
On, water tank is installed on the right side of first delivery pump, thermal energy converter, the waste heat are installed on the right side of the water tank
Gas pipeline is installed on the gas outlet on the right side of recycling bins, gasing pump, the gasing pump right side are installed on the gas pipeline
Gas pipeline on calcium oxide storage bin is installed, equally distributed calcium oxide particle is filled in the calcium oxide storage bin,
Fluid reservoir is installed, the inside of the fluid reservoir is filled with sodium hydroxide solution, the storage on the right side of the calcium oxide storage bin
Digester is installed, the inside of the digester is equipped with sparge pipe, and atomization spray is equipped on the sparge pipe on the right side of flow container
Head, the tank bottom of atomizer lower part digester are equipped with liquid reserve tank, and the inside of the liquid reserve tank is loaded with methyllanthionine solution.
Preferably, the lower part on the left of the flue dust strainer is equipped with disposal box, and the disposal box is mounted on waste heat recycling bins
On the shell of lower part.
Preferably, first delivery pump is interconnected by drinking-water pipe and water tank, and the water tank passes through connecting tube
It is interconnected with thermal energy converter, the water inlet and heat absorbing conduit right end of thermal energy converter lower part are interconnected.
Preferably, the calcium oxide storage bin and fluid reservoir are interconnected by gas pipeline, and the hydrogen inside liquid storage pipe
Most significant end of the liquid level on sodium hydroxide solution top lower than gas pipeline between calcium oxide storage bin and fluid reservoir.
Preferably, the fluid reservoir and digester are interconnected by gas pipeline, and gas pipeline passes through digester
Outer wall extends to the middle position of digester atomized inside spray head lower part.
Preferably, the sparge pipe is interconnected by ammonia water pipeline and liquid reserve tank, and second is equipped in ammonia water pipeline
Delivery pump.
Preferably, the atomizer is distributed at equal intervals on sparge pipe, and atomizer and sparge pipe are interconnected.
Preferably, demister, the outlet on the digester top are installed on the inner wall of sparge pipe top digester
On smoke exhaust fan is installed.
Preferably, the thermal energy converter and extraneous battery are electrically connected by passing to line.
The invention also provides the application methods of flue gas desulfurization device, which comprises the following steps:
S1: flue gas enters in waste heat recycling bins from air inlet pipe, and flue dust strainer filtering falls dust or particulate matter in flue gas etc.,
The dust or particulate matter filtered out is scattering into dirt case；
S2: filtered flue gas passes through flue dust strainer, and the first conveying pump operation is by the heat absorption liquid in water tank from drinking-water pipe
It is transported in heat absorbing conduit, heat absorption liquid runs the thermal energy absorbed in flue gas in heat absorbing conduit, and the heat absorption liquid after absorbing thermal energy is defeated
It is sent in thermal energy converter, the thermal energy in heat absorption liquid is converted to electric energy by the operation of thermal energy converter, and is transported to external electric power storage
Chi Zhong improves the utilization rate of the energy, and the heat absorption liquid after releasing thermal energy is transported in water tank from connecting tube to be recycled；
S3: the flue gas after recycling thermal energy is transported in calcium oxide particle by gas pipeline, two in calcium oxide and flue gas
Sulfur oxide reaction removes the sulfide in flue gas；
S4: treated, and flue gas is being transported to the vulcanization removed again in flue gas in sodium hydroxide solution by gas pipeline
Object；
S5: treated, and flue gas is transported in digester by gas pipeline, and the second conveying pump operation is molten by methyllanthionine
Liquid is transported in sparge pipe by ammonia water pipeline, and methyllanthionine solution is sprayed from atomizer, removes the vulcanization in flue gas again
Object；
S6: simultaneously smoke exhaust fan is run, and extracts the flue gas in digester, and flue gas is disposed in flue gas by demister
Methyllanthionine solution after, be discharged into the external world from smoke exhaust fan.
(3) beneficial effect
The present invention provides flue gas desulfurization device, have it is following the utility model has the advantages that
(1) when present invention operation, filtered flue gas passes through flue dust strainer, and the first delivery pump, operation will be in water tank
Heat absorption liquid is transported in heat absorbing conduit from drinking-water pipe, and heat absorption liquid runs the thermal energy absorbed in flue gas in heat absorbing conduit, absorbs heat
Heat absorption liquid after energy is transported in thermal energy converter, and the thermal energy in heat absorption liquid is converted to electric energy by the operation of thermal energy converter, and defeated
It is sent in external battery, improves the utilization rate of the energy, the heat absorption liquid after releasing thermal energy is transported to water tank from connecting tube
It inside recycles, the flue gas after recycling thermal energy is transported in calcium oxide particle by gas pipeline, two in calcium oxide and flue gas
Sulfur oxide reaction removes the sulfide in flue gas, and treated, and flue gas is transported in sodium hydroxide solution again by gas pipeline
Sulfide in secondary removing flue gas, treated, and flue gas is transported in digester by gas pipeline, the second conveying pump operation
Methyllanthionine solution is transported in sparge pipe by ammonia water pipeline, methyllanthionine solution is sprayed from atomizer, removes cigarette again
Sulfide in gas, simultaneously smoke exhaust fan is run, and extracts the flue gas in digester, and flue gas disposes flue gas by demister
In methyllanthionine solution after, be discharged into the external world from smoke exhaust fan, repeatedly remove flue gas in sulfide, sulfide remove thoroughly,
It solves in sweetening process, the sulphur in flue gas removes insufficient problem.
(2) present invention passes through the flue dust strainer of setting, and flue gas enters in waste heat recycling bins from air inlet pipe, flue dust strainer filtering
Fall dust or the particulate matter etc. in flue gas, the dust or particulate matter filtered out is scattering into dirt case, and structure is simple, simple and convenient
By in flue gas dust or particulate matter dispose, effectively avoid dust or Particulate Pollution external environment, solve cigarette
The problem of gas still contains a large amount of dust etc. after treatment, is discharged into outside contamination external environment.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of thermal energy converter of the present invention.
In figure: 1 air inlet pipe, 2 waste heat recycling bins, 3 flue dust strainers, 4 disposal boxes, 5 first delivery pumps, 6 water tanks, 7 thermal energy
Converter, 8 gas pipelines, 9 gasing pumps, 10 calcium oxide storage bins, 11 calcium oxide particles, 12 fluid reservoirs, 13 sodium hydroxide solutions,
14 digesters, 15 sparge pipes, 16 atomizers, 17 liquid reserve tanks, 18 methyllanthionine solution, 19 ammonia water pipelines, 20 second delivery pumps, 21
Demister, 22 smoke exhaust fans, 23 heat absorbing conduits, 24 drinking-water pipes, 25 connecting tubes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, a kind of embodiment provided by the invention；Flue gas desulfurization device, including air inlet pipe 1, waste heat
Recycling bins 2, thermal energy converter 7, calcium oxide particle 11, sodium hydroxide solution 13, atomizer 16 and methyllanthionine solution 18, air inlet
Pipe 1 is mounted on the air inlet being arranged on the left of waste heat recycling bins 2, and the inside of waste heat recycling bins 2 is equipped with flue dust strainer 3, flue dust
The lower part in 3 left side of strainer is equipped with disposal box 4, and disposal box 4 is mounted on the shell of 2 lower part of waste heat recycling bins, and flue dust strainer 3 is right
Heat absorbing conduit 23 is installed, the left end of heat absorbing conduit 23 is mounted on the water outlet of the first delivery pump 5 inside the waste heat recycling bins 2 of side
On, the right side of the first delivery pump 5 is equipped with water tank 6, and the right side of water tank 6 is equipped with thermal energy converter 7, thermal energy converter 7
It is electrically connected with extraneous battery by passing to line, the first delivery pump 5 is interconnected by drinking-water pipe 24 and water tank 6, water storage
Case 6 is interconnected by connecting tube 25 and thermal energy converter 7, the water inlet and 23 right end of heat absorbing conduit of 7 lower part of thermal energy converter
It is interconnected, gas pipeline 8 is installed on the gas outlet on 2 right side of waste heat recycling bins, gasing pump 9 is installed on gas pipeline 8, it is defeated
Calcium oxide storage bin 10 is installed on the gas pipeline 8 on 9 right side of air pump, calcium oxide storage bin 10 and fluid reservoir 12 pass through appendix
Road 8 is interconnected, and the liquid level on 13 top of sodium hydroxide solution inside liquid storage pipe 12 is lower than calcium oxide storage bin 10 and liquid storage
The most significant end of gas pipeline 8 between tank 12, calcium oxide storage bin 10 is interior to be filled with equally distributed calcium oxide particle 11, calcium oxide
The right side of storage bin 10 is equipped with fluid reservoir 12, and the inside of fluid reservoir 12 is filled with sodium hydroxide solution 13, the right side of fluid reservoir 12
Side is equipped with digester 14, fluid reservoir 12 and digester 14 and is interconnected by gas pipeline 8, and gas pipeline 8 passes through desulfurization
The outer wall of tank 14 extends to the middle position of 14 atomized inside spray head of digester, 16 lower part, and the inside of digester 14 is equipped with spray
Liquid pipe 15, sparge pipe 15 is interconnected by ammonia water pipeline 19 and liquid reserve tank 17, and the second conveying is equipped in ammonia water pipeline 19
20 are pumped, atomizer 16 is installed on sparge pipe 15, atomizer 16 is distributed at equal intervals on sparge pipe 15, and atomizer
16 are interconnected with sparge pipe 15, and demister 21,14 top of digester are equipped on the inner wall of 15 top digester 14 of sparge pipe
Outlet on smoke exhaust fan 22 is installed, the tank bottom of 16 lower part digester 14 of atomizer is equipped with liquid reserve tank 17, liquid reserve tank 17
Inside be loaded with methyllanthionine solution 18.
The invention also provides the application methods of flue gas desulfurization device, which comprises the following steps:
S1: flue gas enters in waste heat recycling bins 2 from air inlet pipe 1, and flue dust strainer 3 filters out dust or particulate matter in flue gas
Deng the dust or particulate matter filtered out is scattering into dirt case 4；
S2: filtered flue gas passes through flue dust strainer 3, and the operation of the first delivery pump 5 is by the heat absorption liquid in water tank 6 from drawing water
Pipe 24 is transported in heat absorbing conduit 23, and heat absorption liquid runs the thermal energy absorbed in flue gas in heat absorbing conduit 23, after absorbing thermal energy
Heat absorption liquid is transported in thermal energy converter 7, and the thermal energy in heat absorption liquid is converted to electric energy by the operation of thermal energy converter 7, and is transported to
In external battery, the utilization rate of the energy is improved, the heat absorption liquid after releasing thermal energy is transported in water tank 6 from connecting tube 25
It recycles；
S3: the flue gas after recycling thermal energy is transported in calcium oxide particle 11 by gas pipeline 8, in calcium oxide and flue gas
The sulfide in flue gas is removed in sulfur dioxide reaction；
S4: treated flue gas is removed in flue gas again being transported in sodium hydroxide solution 13 by gas pipeline 8
Sulfide；
S5: treated, and flue gas is transported in digester 14 by gas pipeline 8, and the second delivery pump 20 is run sulphur ammonia
Acid solution 18 is transported in sparge pipe 15 by ammonia water pipeline 19, and methyllanthionine solution 18 is sprayed from atomizer 16, again clearly
Except the sulfide in flue gas；
S6: simultaneously smoke exhaust fan 22 is run, and extracts the flue gas in digester 14, and flue gas is disposed by demister 21
After methyllanthionine solution 18 in flue gas, the external world is discharged into from smoke exhaust fan 22.
Working principle: when the present invention is run, flue gas enters in waste heat recycling bins 2 from air inlet pipe 1, and flue dust strainer 3 filters out
Dust or particulate matter in flue gas etc., the dust or particulate matter filtered out are scattering into dirt case 4, and filtered flue gas passes through cigarette
Heat absorption liquid in water tank 6 is transported in heat absorbing conduit 23 by dirt strainer 3, the first delivery pump 5, operation from drinking-water pipe 24, is absorbed heat
Liquid runs the thermal energy absorbed in flue gas in heat absorbing conduit 23, and the heat absorption liquid after absorbing thermal energy is transported in thermal energy converter 7, heat
Thermal energy in heat absorption liquid is converted to electric energy by the energy operation of converter 7, and is transported in external battery, and the utilization of the energy is improved
Rate, the heat absorption liquid after releasing thermal energy is transported in water tank 6 from connecting tube 25 to be recycled, and the flue gas after recycling thermal energy passes through
Gas pipeline 8 is transported in calcium oxide particle 11, and calcium oxide reacts the sulfide removed in flue gas with the sulfur dioxide in flue gas,
Treated, and flue gas is being transported to the sulfide removed again in flue gas in sodium hydroxide solution 13 by gas pipeline 8, handles
Flue gas afterwards is transported in digester 14 by gas pipeline 8, and methyllanthionine solution 18 is passed through ammonia by the operation of the second delivery pump 20
Waterpipe 19 is transported in sparge pipe 15, and methyllanthionine solution 18 is sprayed from atomizer 16, removes the vulcanization in flue gas again
Object, simultaneously smoke exhaust fan 22 is run, and extracts the flue gas in digester 14, and flue gas is disposed in flue gas by demister 21
After methyllanthionine solution 18, the external world is discharged into from smoke exhaust fan 22.
It can to sum up obtain, the present invention passes through the air inlet pipe 1 of setting, waste heat recycling bins 2, thermal energy converter 7, calcium oxide particle
11, sodium hydroxide solution 13, atomizer 16 and methyllanthionine solution 18, the sulphur removing solved in flue gas is insufficient, and flue gas exists
The problem of still containing a large amount of dust after processing.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. flue gas desulfurization device, including air inlet pipe (1), waste heat recycling bins (2), thermal energy converter (7), calcium oxide particle (11),
Sodium hydroxide solution (13), atomizer (16) and methyllanthionine solution (18), it is characterised in that: the air inlet pipe (1) is mounted on
On the air inlet being arranged on the left of waste heat recycling bins (2), the inside of the waste heat recycling bins (2) is equipped with flue dust strainer (3), described
It is equipped with heat absorbing conduit (23) inside waste heat recycling bins (2) on the right side of flue dust strainer (3), the left end peace of the heat absorbing conduit (23)
On the water outlet of the first delivery pump (5), water tank (6), the water tank are installed on the right side of first delivery pump (5)
(6) it is equipped on the right side of thermal energy converter (7), gas pipeline is installed on the gas outlet on the right side of the waste heat recycling bins (2)
(8), it is equipped with gasing pump (9), is installed on the gas pipeline (8) on the right side of the gasing pump (9) aerobic on the gas pipeline (8)
Change calcium storage bin (10), is filled with equally distributed calcium oxide particle (11) in the calcium oxide storage bin (10), the oxidation
It is equipped on the right side of calcium storage bin (10) fluid reservoir (12), the inside of the fluid reservoir (12) is filled with sodium hydroxide solution
(13), it is equipped with digester (14) on the right side of the fluid reservoir (12), the inside of the digester (14) is equipped with sparge pipe
(15), it is equipped with atomizer (16) on the sparge pipe (15), the tank bottom of atomizer (16) the lower part digester (14)
It is equipped with liquid reserve tank (17), the inside of the liquid reserve tank (17) is loaded with methyllanthionine solution (18).
2. flue gas desulfurization device according to claim 1, it is characterised in that: the lower part peace on the left of the flue dust strainer (3)
Equipped with disposal box (4), the disposal box (4) is mounted on the shell of waste heat recycling bins (2) lower part.
3. flue gas desulfurization device according to claim 1, it is characterised in that: first delivery pump (5) passes through drinking-water pipe
(24) it is interconnected with water tank (6), the water tank (6) is interconnected by connecting tube (25) and thermal energy converter (7), institute
The water inlet and heat absorbing conduit (23) right end for stating thermal energy converter (7) lower part are interconnected.
4. flue gas desulfurization device according to claim 1, it is characterised in that: the calcium oxide storage bin (10) and fluid reservoir
(12) it is interconnected by gas pipeline (8), and the liquid level on sodium hydroxide solution (13) top of liquid storage pipe (12) inside is lower than
The most significant end of gas pipeline (8) between calcium oxide storage bin (10) and fluid reservoir (12).
5. flue gas desulfurization device according to claim 1, it is characterised in that: the fluid reservoir (12) and digester (14) are logical
It crosses gas pipeline (8) to be interconnected, and outer wall of the gas pipeline (8) across digester (14) extends to the internal mist of digester (14)
Change the middle position of spray head (16) lower part.
6. flue gas desulfurization device according to claim 1, it is characterised in that: the sparge pipe (15) passes through ammonia water pipeline
(19) it is interconnected with liquid reserve tank (17), and the second delivery pump (20) is installed in ammonia water pipeline (19).
7. flue gas desulfurization device according to claim 1, it is characterised in that: the atomizer (16) is distributed at equal intervals
On sparge pipe (15), and atomizer (16) and sparge pipe (15) are interconnected.
8. flue gas desulfurization device according to claim 1, it is characterised in that: sparge pipe (15) the top digester (14)
Inner wall on be equipped with demister (21), smoke exhaust fan (22) are installed in the outlet on digester (14) top.
9. flue gas desulfurization device according to claim 1, it is characterised in that: the thermal energy converter (7) and extraneous electric power storage
Pond is electrically connected by passing to line.
10. the invention also provides the application methods of flue gas desulfurization device, which comprises the following steps:
(S1): flue gas enters in waste heat recycling bins (2) from air inlet pipe (1), flue dust strainer (3) filter out dust in flue gas or
Grain object etc., the dust or particulate matter filtered out is scattering into dirt case (4)；
(S2): filtered flue gas pass through flue dust strainer (3), the first delivery pump (5) operation by the heat absorption liquid in water tank (6) from
Drinking-water pipe (24) is transported in heat absorbing conduit (23), and heat absorption liquid operation in heat absorbing conduit (23) absorbs the thermal energy in flue gas, is inhaled
Heat absorption liquid after receiving thermal energy is transported in thermal energy converter (7), and thermal energy converter (7) operation is converted to the thermal energy in heat absorption liquid
Electric energy, and being transported in external battery, improves the utilization rate of the energy, and the heat absorption liquid after releasing thermal energy is from connecting tube (25)
It is transported in water tank (6) and recycles；
(S3): the flue gas after recycling thermal energy is transported in calcium oxide particle (11) by gas pipeline (8), in calcium oxide and flue gas
Sulfur dioxide reaction remove flue gas in sulfide；
(S4): treated flue gas is removed in flue gas again being transported in sodium hydroxide solution (13) by gas pipeline (8)
Sulfide；
(S5): treated, and flue gas is being transported in digester (14) by gas pipeline (8), and the second delivery pump (20) operation will
Methyllanthionine solution (18) is transported in sparge pipe (15) by ammonia water pipeline (19), and methyllanthionine solution (18) is from atomizer
(16) it sprays, removes the sulfide in flue gas again；
(S6): simultaneously smoke exhaust fan (22) is run, and extracts the flue gas in digester (14), and flue gas is clear by demister (21)
After removing the methyllanthionine solution (18) in flue gas, the external world is discharged into from smoke exhaust fan (22).
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| CN201810439038.7A CN110465178B (en) | 2018-05-09 | 2018-05-09 | Flue gas desulfurization device |
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| CN110465178B (en) | 2024-02-27 |
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