CN209188493U - Wet desulfurization flue gas takes off white device - Google Patents
Wet desulfurization flue gas takes off white device Download PDFInfo
- Publication number
- CN209188493U CN209188493U CN201821679181.5U CN201821679181U CN209188493U CN 209188493 U CN209188493 U CN 209188493U CN 201821679181 U CN201821679181 U CN 201821679181U CN 209188493 U CN209188493 U CN 209188493U
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- Prior art keywords
- desulfurization
- desulfurization slurry
- water
- cooling
- flue gas
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- 230000003009 desulfurizing Effects 0.000 title claims abstract description 126
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 97
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000003546 flue gas Substances 0.000 title claims abstract description 43
- 239000002002 slurry Substances 0.000 claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 238000001816 cooling Methods 0.000 claims abstract description 34
- 239000000498 cooling water Substances 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 11
- 238000001704 evaporation Methods 0.000 claims abstract description 9
- 238000009834 vaporization Methods 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 7
- 239000003595 mist Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 11
- 239000010440 gypsum Substances 0.000 claims description 10
- 229910052602 gypsum Inorganic materials 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 9
- 235000015450 Tilia cordata Nutrition 0.000 claims description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 9
- 239000004571 lime Substances 0.000 claims description 9
- 239000005864 Sulphur Substances 0.000 claims description 2
- 206010018987 Haemorrhage Diseases 0.000 claims 1
- 230000000740 bleeding Effects 0.000 claims 1
- 231100000319 bleeding Toxicity 0.000 claims 1
- 239000010865 sewage Substances 0.000 claims 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L Calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000005712 crystallization Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 230000000630 rising Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000001187 sodium carbonate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
Abstract
The utility model provides wet desulfurization flue gas and takes off white device, its overall structure includes three parts: flue gas desulfurization part, desulfurization slurry cooling segment, cooling water radiator portion；Desulfurization slurry cooling segment is made of multi-stage evaporator, multi-stage condensing device and multistage steam pipe, is specifically included: water inlet pipe, intake pump, multi-stage evaporator, water outlet pump, steam pipe, multi-stage condensing device, condensation-water drain, vacuum pumping opening；The desulfurization slurry of desulfurization slurry buffer area, enter multi-stage evaporator by intake pump, water inlet pipe, desulfurization slurry flows from top to bottom in multi-stage evaporator, step by step flash vaporization, the steam that every level-one evaporation generates, multi-stage condensing device is flowed into from steam pipe, desulfurization slurry temperature after multistage evaporation reduces, and the desulfurization slurry of low temperature returns to desulfurizing tower by water outlet pump, and steam condensing water reuse is washed away in desulfurizer mist eliminator, fixed gas is sent to desulfurizing tower after vacuum pumping opening discharge.
Description
Technical field
The utility model relates to flue gas dehumidifying technologies, take off white device more particularly to wet desulfurization flue gas.
Background technique
Wet fuel gas desulfurizing technology process is starched using lime stone (CaCO3), lime (CaO) or sodium carbonate (Na2CO3) etc.
Liquid makees detergent, washs in reaction tower to flue gas, to remove the SO2 in flue gas.It this technique existing 50 years goes through
History, after continuously improving and improving, Technical comparing is mature, and has desulfuration efficiency high (90%~98%), and unit holds
The advantages that amount is big, and coal adaptability is strong, and operating cost is lower and byproduct easily recycles.China thermal power plant, steel mill, 90% with
It is upper to use wet type lime/lime stone-gypsum method flue gas desulfurization technique process.
In wet processing, the heat problem again of flue gas directly affects the investment of entire technique.Because de- by wet processing
The general temperature of flue gas after sulphur is lower (45 DEG C), mostly in dew point hereinafter, holding if being directly discharged into chimney without reheating
Acid mist is easily formed, corrodes chimney, is also unfavorable for the diffusion of flue gas.So wet process device is typically equipped with flue gas reheat system.Mesh
Before, using it is more be technical mature regeneration (revolution) formula flue gas heat exchanger (GGH).GGH price is more expensive.
It is exported on wet method fume desulfurizing system absorption tower, the neat stress of discharge is flowing through cigarette due to being in wet saturation state
During road, chimney are discharged into atmosphere, because temperature reduces, part vapourous water and pollutant can be coagulated in flue gas, liquid
The slurries amount of state will increase, and have drop to descend slowly and lightly within a certain area, be settled down to ground, form gypsum rain；Meanwhile flue gas is in cigarette
During chimney mouth is discharged into atmosphere, because temperature reduces, part vapourous water and pollutant can be coagulated in flue gas, in the chimney degree of lip-rounding
The steam that nebulizes is raised above, and forms plume, and plume is usually white or canescence.Wet method fume desulfurizing system goes out on absorption tower
White plume that mouthful discharge flue gas generates in gypsum rain, contains a large amount of sulfide, constitutes pollution to atmospheric environment.
Currently, in station boiler and Industrial Boiler, is taken off to wet desulfurization flue gas white there are two ways to having used: 1,
Before desulfurizing tower, dehumidifies to flue gas cool-down, after desulfurizing tower, to flue gas, then discharge；2, to spray follows repeatedly in desulfurizing tower
The desulfurization slurry of ring cools down, and the sprayed slurry of low temperature reduces the water capacity of exhaust gas temperature and smoke evacuation.Wherein first
Kind method is the method being widely used, but since gas converting heat effect is bad, heat exchanger volume is huge, seriously corroded, at
This height, maintenance cost are high；Second method is simple, at low cost, but is used for the heat exchanger of desulfurization slurry, corruption will soon occurs
Erosion, blocking, job insecurity, maintenance cost are high.This method evaporation capacity is small, easily leads to the desulfurization slurry buffer area of desulfurizing tower
Generation is risen pond.
Utility model content
The utility model provides wet desulfurization flue gas and takes off white device.
Wet desulfurization flue gas takes off white device, its overall structure includes three parts: flue gas desulfurization part, desulfurization slurry are cooling
Partially, cooling water radiator portion.
Flue gas desulfurization part specifically includes: chimney, flue damper, chamber inlet, air blower, desulfurizing tower, demister, spray
Shower device, lime slurry import, outlet of sewer, gypsum outlet.
Cooling water radiator portion specifically includes: water inlet pipe, cooling tower, water outlet pump.
There is a flue damper in chimney, in the lower section of flue damper, flue gas enters desulfurizing tower by chimney escape pipe；
It is exhanst gas outlet at the top of desulfurizing tower, inner upper has demister, has multi-layer desulfurization slurries spray equipment, desulfurizing tower below demister
Desulfurization slurry buffer area is arranged at bottom, there is lime desulfurization slurry inlet on side wall, and desulfurization tower bottom has downwards outlet of sewer, gypsum to go out
Mouthful.
The desulfurization slurry of desulfurization slurry buffer area passes through the multi-stage spray device that slurries are pumped into top in desulfurizing tower all the way,
Another way is sent to after desulfurization slurry cooling segment cooled down, and returns desulfurization slurry buffer area, and desulfurization slurry cooling segment
Heat finally to pass to using cooling tower be the cooling water radiator portion of core to function of environment heat emission.
Desulfurization slurry cooling segment, it is made of multi-stage evaporator, multi-stage condensing device and multistage steam pipe.
Desulfurization slurry cooling segment, specifically includes: water inlet pipe, intake pump, multi-stage evaporator, water outlet pump, steam pipe, multistage
Condenser, condensation-water drain, vacuum pumping opening.
The desulfurization slurry of desulfurization slurry buffer area enters multi-stage evaporator by intake pump, water inlet pipe, and desulfurization slurry is more
It is flowed from top to bottom in grade evaporator, flash vaporization step by step, the steam that every level-one evaporation generates flows into multi-stage condensing from steam pipe
Device, desulfurization slurry temperature after multistage evaporation reduce, and the desulfurization slurry of low temperature returns to desulfurizing tower by water outlet pump；Multi-stage condensing
Steam in device delivers heat to cooling water, and steam condensate is exported from bottom condensate water to flow out, and washes away for desulfurizer mist eliminator；No
Solidifying gas is extracted out from vacuum pumping opening, is transmitted back to desulfurizing tower.
Detailed description of the invention
Fig. 1 is that the utility model wet desulfurization flue gas takes off white Installation practice overall pattern；
Fig. 2 is that the utility model wet desulfurization flue gas takes off white Installation practice desulfurization slurry cooling unit structure chart.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in further detail.
Fig. 1 gives the utility model wet desulfurization flue gas and takes off white Installation practice overall pattern.
The utility model wet desulfurization flue gas takes off white Installation practice, its overall structure includes three parts: 1, flue gas is de-
Sulphur part；2, desulfurization slurry cooling segment；3, cooling water radiator portion.
Flue gas desulfurization part is made of chimney and desulfurizing tower, is specifically included: chimney 10, flue damper 11, chamber inlet
14, air blower 21, desulfurizing tower 20, demister 25, spray equipment 26, lime slurry import 22, outlet of sewer 23, gypsum outlet
24。
Desulfurization slurry cooling segment is made of multi-stage evaporator, multi-stage condensing device and multistage steam pipe, is specifically included: water inlet
Pipe 31, intake pump 32, multi-stage evaporator 30, water outlet pump 33, steam pipe 41, multi-stage condensing device 40, condensation-water drain 42, vacuum are taken out
Port 43.
Cooling water radiator portion includes: water inlet pipe 51, cooling tower 50, cooling blower, water outlet pump 52.
In chimney 10, close to lower part, there is a flue damper 11, chimney channel is divided into two parts up and down by it.In cigarette
The lower section of chimney baffle 11, the side on chimney wall is chamber inlet 14, and the other side is chimney escape pipe, is had in chimney escape pipe
One air blower 21.The air inlet of chimney escape pipe outlet connection 20 lower side of desulfurizing tower.
It is exhanst gas outlet at the top of desulfurizing tower 20, inner upper has demister 25, and there is multi-layer desulfurization in 20 inside of desulfurizing tower up and down
Slurries spray equipment 26, when the acid flue gas containing sulfur dioxide flows bottom-up, the lime of the alkalinity of it and spray
Desulfurization slurry inversely contacts, and sulfur dioxide reacts with desulfurization slurry, generates sulfurous acid, and be dissolved in desulfurization slurry, finally falls
Enter in the desulfurization slurry of desulfurization slurry buffer area of desulfurization tower bottom, and desulfurization fume rises, and from desulfurizing tower top, by removing
Day with fog 25 is excluded from exhanst gas outlet.
Sulfurous acid and air reaction in the desulfurization slurry of desulfurization slurry buffer area become sulfuric acid, then react generation with calcium and contain
There are the calcium sulfate of the crystallization water, i.e. gypsum, and is excluded from bottom gypsum outlet 24.
The desulfurization slurry of desulfurization slurry buffer area enters multi-stage evaporator 30 by intake pump 32, water inlet pipe 31, due to more
It is low to imitate evaporimeter internal pressure, desulfurization slurry flash vaporization step by step from top to bottom.The steaming that the evaporation of the every level-one of multi-stage evaporator 30 generates
Vapour flows into multi-stage condensing device 40 from jet chimney 41.Desulfurization slurry temperature after multistage evaporation reduces, the desulfurization slurry of low temperature
The desulfurization slurry buffer area of desulfurizing tower 20 is flowed back by outlet pipe by water outlet pump 33.In desulfurizing tower, with the desulfurization of low temperature
Slurries are sprayed, and flue gas can be made sufficiently to cool down, be reduced humidity of flue gas sufficiently.
Flash-off steam enters multi-stage condensing device 40 by multistage steam pipe 41, and every level-one of multi-stage condensing device 40 is all partition
Formula heat exchanger, the condensed water that the every level-one of multi-stage condensing device 40 generates are trickled downwards step by step by drain ports at different levels, and every level-one generates
On-condensible gas flowed downward step by step by air hoses at different levels.
There is condensation-water drain 42 in afterbody condenser bottom, recycling condensed water is washed away for desulfurizer mist eliminator；?
There are vacuum pumping opening 43, a variety of on-condensible gases, including air and sulfur dioxide in afterbody condenser side, from vacuum pumping opening
Extraction, is transmitted back to desulfurizing tower.
Have the water inlet pipe and intake pump 52 of the cooling water of low temperature in the bottom of multi-stage condensing device 40, top have be heated it is cold
But the outlet pipe 51 of water.In multi-stage condensing device 40, cooling water absorbs steam condensation heat and heats up.
The cooling water of the heat flowed out at the top of multi-stage condensing device 40 is entered in cooling tower 50, Cong Shangxiang by water inlet pipe 51
The air inversion of lower spray, the rising driven with cooling blower exchanges heat, and cooling water temperature drops onto the water storage of 50 bottom of cooling tower
Case, the cooling water of low temperature passes through water outlet pump 52 and outlet pipe again in water storage box, flows into the cooling water of multi-stage condensing device afterbody
Import.In cooling tower, under the action of cooling blower, the cold air of environment flows from bottom to top, is absorbing cooling water heat
After steam, the humid air of formation is flowed out by water deflector from cooling tower top.
Fig. 2 gives the utility model wet desulfurization flue gas and takes off white Installation practice desulfurization slurry cooling unit structure chart.
The utility model wet desulfurization flue gas takes off white Installation practice desulfurization slurry cooling segment by multi-stage evaporator, multistage
Condenser and multistage steam pipe composition；And level-one evaporator, a steam pipe and first-stage condenser constitute desulfurization slurry cooling
Unit, so it may also be said that it is by several that the utility model wet desulfurization flue gas, which takes off white Installation practice desulfurization slurry cooling segment,
A identical desulfurization slurry cooling unit composition.
This figure provides a desulfurization slurry cooling unit, it is by level-one evaporator, a steam pipe and first-stage condenser structure
At specifically including: drip water plate 34, vaporization chamber 35, shell 37, venthole 36, bottom plate 38, steam pipe 41, heat transfer plate 47, deflector
46, air hose 44, drain port 45, bottom plate 49, water inlet 48.The bottom plate 38 of the same level, it is the drip water plate of next stage again.
Desulfurization slurry in multi-stage evaporator has certain thickness on drip water plate 34, in pressure and slurries itself gravity
Under, desulfurization slurry is flowed down from the water drenching hole gathered on drip water plate 34, into vaporization chamber 35, at once flash vaporization, the steaming of generation
Vapour is by the venthole 36 on shell 37, by steam pipe 41, into condenser.Vaporization chamber 35 flashes remaining slurries, falls on
On bottom plate 38, and bottom plate 38 it be next stage drip water plate.
Enter the steam of condenser by steam pipe 41, it is changed by the heat transfer plate 47 of waveform and the cooling water of the other side
Heat, steam condensation Cheng Shui trickle downwards, by the drain port 45 on bottom plate 49, flow into next stage condenser.Contain in steam
On-condensible gas reaches the lower part of condenser with steam, by the thinner air hose 44 on side wall, flows into next stage condenser.
There is the water inlet 48 of cooling water on bottom plate 49, from cooling tower or the low-temperature cooling water come from previous stage from water inlet
48 enter the same level condenser, and under the guidance of deflector 46, cooling water absorbs other side steam along 47 surface flow of heat transfer plate
The heat of condensation.Finally, the cooling water being heated is flowed out from the water outlet on the same level top plate.
Claims (2)
1. wet desulfurization flue gas takes off white device, its overall structure includes three parts: flue gas desulfurization part, desulfurization slurry cooling end
Divide, cooling water radiator portion；Flue gas desulfurization part specifically includes: chimney, flue damper, chamber inlet, air blower, desulfurization
Tower, demister, spray equipment, lime slurry import, outlet of sewer, gypsum outlet；Cooling water radiator portion specifically includes: water inlet
Pipe, cooling tower, water outlet pump；Have a flue damper in chimney, in the lower section of flue damper, flue gas by chimney escape pipe into
Enter desulfurizing tower；It is exhanst gas outlet at the top of desulfurizing tower, inner upper has demister, there is multi-layer desulfurization slurries spray dress below demister
It sets, desulfurization tower bottom has desulfurization slurry buffer area, there is lime desulfurization slurry inlet on side wall, and desulfurization tower bottom has sewage to go out downwards
Mouth, gypsum outlet；The desulfurization slurry of desulfurization slurry buffer area passes through the multi-stage spray that slurries are pumped into top in desulfurizing tower all the way
Device, another way are sent to after desulfurization slurry cooling segment cooled down, and return desulfurization slurry buffer area, and desulfurization slurry is cooling
It is the cooling water radiator portion of core to function of environment heat emission that partial heat, which is finally passed to using cooling tower, it is characterised in that: described de-
Sulphur slurries cooling segment, it is made of multi-stage evaporator, multi-stage condensing device and multistage steam pipe.
2. wet desulfurization flue gas described in accordance with the claim 1 takes off white device, it is characterised in that: the desulfurization slurry cooling end
Point, it specifically includes: water inlet pipe, intake pump, multi-stage evaporator, water outlet pump, steam pipe, multi-stage condensing device, condensation-water drain, vacuum
Bleeding point；The desulfurization slurry of desulfurization slurry buffer area enters multi-stage evaporator by intake pump, water inlet pipe, and desulfurization slurry is more
It is flowed from top to bottom in grade evaporator, flash vaporization step by step, the steam that every level-one evaporation generates flows into multi-stage condensing from steam pipe
Device, desulfurization slurry temperature after multistage evaporation reduce, and the desulfurization slurry of low temperature returns to desulfurizing tower by water outlet pump；Multi-stage condensing
Steam in device delivers heat to cooling water, and steam condensate washes away after bottom condensate water outlet outflow for desulfurizer mist eliminator；
Fixed gas returns to desulfurizing tower after vacuum pumping opening discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679181.5U CN209188493U (en) | 2018-10-08 | 2018-10-08 | Wet desulfurization flue gas takes off white device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679181.5U CN209188493U (en) | 2018-10-08 | 2018-10-08 | Wet desulfurization flue gas takes off white device |
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| Publication Number | Publication Date |
|---|---|
| CN209188493U true CN209188493U (en) | 2019-08-02 |
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| CN201821679181.5U Active CN209188493U (en) | 2018-10-08 | 2018-10-08 | Wet desulfurization flue gas takes off white device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289476A (en) * | 2018-10-08 | 2019-02-01 | 哈尔滨工大金涛科技股份有限公司 | Wet desulfurization flue gas takes off white device and de- whitening method |
| CN112755566A (en) * | 2021-02-01 | 2021-05-07 | 山东祥桓环境科技有限公司 | Flash evaporation coupling cyclone vapor-liquid separation device and waste heat recovery process thereof |
-
2018
- 2018-10-08 CN CN201821679181.5U patent/CN209188493U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109289476A (en) * | 2018-10-08 | 2019-02-01 | 哈尔滨工大金涛科技股份有限公司 | Wet desulfurization flue gas takes off white device and de- whitening method |
| CN112755566A (en) * | 2021-02-01 | 2021-05-07 | 山东祥桓环境科技有限公司 | Flash evaporation coupling cyclone vapor-liquid separation device and waste heat recovery process thereof |
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