CN106215674A - Flue gas desulfurization device and method - Google Patents
Flue gas desulfurization device and method Download PDFInfo
- Publication number
- CN106215674A CN106215674A CN201610738349.4A CN201610738349A CN106215674A CN 106215674 A CN106215674 A CN 106215674A CN 201610738349 A CN201610738349 A CN 201610738349A CN 106215674 A CN106215674 A CN 106215674A
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- Prior art keywords
- flue gas
- heat
- tube group
- absorption tower
- desulfurization
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- 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
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/80—Semi-solid phase processes, i.e. by using slurries
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- 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
Abstract
The invention discloses a kind of flue gas desulfurization devices and methods therefor.This device includes: absorption tower body, and it uses absorption serosity that flue gas is carried out desulfurization process；Gas approach, its middle part being arranged on described absorption tower body or bottom, for introducing absorption tower body by flue gas；Blowdown stack, it is arranged on the top of described absorption tower body, for by the fume emission after desulfurization process；Endothermic tube group, it is arranged on the inside of described gas approach, is used for the heat being absorbed in the flue gas of described gas approach；Thermal-collecting tube group, it is arranged on described gas approach interiorly or exteriorly, and is connected with endothermic tube group, for focusing on the heat that described endothermic tube group is collected；Putting heat pipe heat, it is arranged on the bottom of described blowdown stack, and the flue gas after processing desulfurization heats.Assembly of the invention and method can reduce wet desulfurization system to airborne release steam and fine particle.
Description
Technical field
The present invention relates to a kind of flue gas desulfurization device and method, be specifically related to be applicable to coal-burning boiler, steel sintering machine etc.
Industrial Stoves emission desulfurizer and method.
Background technology
When referring to greenhouse gases and climate change, carbon dioxide is the most noticeable.Carbon dioxide is topmost greenhouse
Gas, additionally also has some other gases to fall within greenhouse gases, such as steam.Along with climate warming, the water in air steams
Gas is continuously increased, thus exacerbates greenhouse effect.The feedback of steam is the most powerful, its whole world that can be caused by carbon dioxide
The effect that warms strengthens strengthens one times.Therefore, when reducing greenhouse gas emission, the reduction of discharging of steam must not be ignored.
Owing to the efficiency of wet desulfurizing process is high, sorbent utilization is high, so a lot of boiler of power plant, sintering machine of steel mill are equal
Use this technique that flue gas is processed.According to statistics, wet desulfurizing process occupies in China's whole flue gas desulfurization field and exceedes
90% share.Along with increasingly strict to various Industrial Stoves emission pollutant emission standards of country, sulfur dioxide, nitrogen oxygen
Compounds etc. may cause the pollutant of acid rain and photochemical fog to start to be effectively controlled.Electric cleaner, sack cleaner etc.
The improvement of equipment effectively reduces the grain discharge through the particulate matter more than 10 microns.
Such as, the technique that CN105617839A discloses a kind of flue gas desulfurization: enter absorption tower after flue gas ash removal, cooling certainly
Upper and solution counter current contacting down, the sulfide in flue gas is absorbed by solution, and purified gas is vented from tower top, absorbs sulfur
The rich solution of compound is drawn by rich solution pump from the bottom of absorption tower, and a part returns and re-starts absorption in the middle part of absorption tower, and another part exists
Solution heat exchanger carries out heat exchange with lean solution, after heat exchange, delivers to regenerator top, connect with the steam counter-flow risen in regenerator
Touch and obtain regeneration, the lean solution after regeneration through solution heat exchanger and by lean solution cooler cool down after send into absorb tower top as solution
Use, regeneration overhead expellant gas enter regeneration gas cooler, regeneration separators by the steam cooling in gas, separatory
Drip back sending and receiving return system to maintain System Solution concentration, and regeneration separators discharges regeneration gas.
And for example, CN105032138A discloses a kind of flue gas controller.This device includes fume treatment auxiliary, peroxidating
Hydrogen supply equipment, dedusting defogging equipment, evaporation concentration equipment and circulation precipitation apparatus etc., wherein, described fume treatment auxiliary bag
Including hydrogen peroxide spraying oxidation reaction floor, absorb spray district and serum recycle district, described hydrogen peroxide spraying oxidation reaction layer sets
Put in absorbing spray district；Described dedusting defogging equipment is positioned at above absorption spray district；Described evaporation concentration equipment and circulation are heavy
Fall equipment is arranged at inside fume treatment auxiliary.
Said apparatus all uses wet desulphurization.The feature of wet desulphurization is that needing to improve liquid-gas ratio can be only achieved higher
Removal efficiency, this causes the water carried in the purifying smoke of discharge to reach saturation.But, in flue gas desulfurization device except mist
Device can only remove a part of water entrainment in flue gas.The temperature of wet desulphurization discharge flue gas is typically at about 50 DEG C.Flue gas desulfurization fills
Putting and generally use flue gas inversely to contact with desulfurization slurry and react, while many spraying layers, effect causes the purification of discharge
In flue gas, water capacity reaches saturated.Owing to the temperature of the purifying smoke of discharge is improper, after it touches air, cause appearance
Longer white cigarette.The tail gas of some flue gas desulfurization project discharge may be continuous several kilometers, and is discharged into therewith with fine particle
Air.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of flue gas desulfurization device, it can reduce wet desulfurization system
To airborne release steam and fine particle.Further object is that offer one utilizes said apparatus to carry out cigarette
Desulfurization method, it is simple to operate, it is possible to reduce energy consumption.
The present invention adopts the following technical scheme that and can realize above-mentioned purpose.
The present invention provides a kind of flue gas desulfurization device, comprising:
Absorption tower body, it uses absorption serosity that flue gas is carried out desulfurization process；
Gas approach, its middle part being arranged on described absorption tower body or bottom, for introducing absorption tower body by flue gas；
Blowdown stack, it is arranged on the top of described absorption tower body, for by the fume emission after desulfurization process；
Endothermic tube group, it is arranged on the inside of described gas approach, in the flue gas being absorbed into described gas approach
Heat；
Thermal-collecting tube group, it is arranged on described gas approach interiorly or exteriorly, and is connected with endothermic tube group, is used for concentrating
Process the heat that described endothermic tube group is collected；
Putting heat pipe heat, it is arranged on the bottom of described blowdown stack, and the flue gas after processing desulfurization heats.
According to assembly of the invention, it is preferable that described device also includes:
Heat pipe, it is for being delivered to put heat pipe heat by the heat of thermal-collecting tube group.
According to assembly of the invention, it is preferable that described heat pipe is arranged on the outside of described absorption tower body.
According to assembly of the invention, it is preferable that described endothermic tube group includes the parallel many heat absorptions arranged the most continuously
Pipe.
According to assembly of the invention, it is preferable that many described endothermic tubes are the most vertically fixed, and the cloth of many endothermic tubes
Horizontalization face is 80～100 degree with the angle in flow of flue gas direction.
According to assembly of the invention, it is preferable that the plane of arrangement of described many endothermic tubes and the angle in flow of flue gas direction
It it is 90 degree.
According to assembly of the invention, it is preferable that described heat pipe heat of putting includes that parallel many arranged the most continuously are put
Heat pipe.
According to assembly of the invention, it is preferable that described many heat release pipe levels are fixed, and the cloth horizontalization of many heat release pipes
Face is 80～100 degree with the angle in flow of flue gas direction.
According to assembly of the invention, it is preferable that the plane of arrangement of described many heat release pipes and the angle in flow of flue gas direction
It it is 90 degree.
The present invention also provides for the method utilizing said apparatus to carry out flue gas desulfurization, and the method comprises the steps:
(1) flue gas from described gas approach is cooled to 80～95 DEG C by described endothermic tube group；
(2) the flue gas entrance described absorption tower body after cooling carries out desulfurization process；
(3) flue gas after desulfurization processes is put heat pipe heat and is warming up to 60～70 DEG C, then from described blowdown stack described in passing through
Discharge.
Apparatus and method of the present invention is by reducing the temperature of inlet flue gas, improving the temperature of exiting flue gas, thus reduces
The water capacity of discharge purifying smoke.Apparatus of the present invention and desulfuration efficiency can be improved, reduce moisture discharge in flue gas.This
Outward, according to currently preferred technical scheme, apparatus and method of the present invention need not additionally increase energy consumption, saves the energy.
Accompanying drawing explanation
Fig. 1 is the structural representation of the flue gas desulfurization device of the present invention.
Description of reference numerals is as follows:
1 is endothermic tube group, and 2 is thermal-collecting tube group, and 3 is heat pipe, and 4 is absorption tower body, and 5 is gas approach, and 6 is heat release pipe
Group, 7 is blowdown stack.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
<flue gas desulfurization device>
The flue gas desulfurization device of the present invention represents a kind of device that can carry out gas cleaning, and its function can also take off
Nitre, demercuration etc..
The flue gas desulfurization device of the present invention includes absorption tower body, gas approach, blowdown stack, endothermic tube group, thermal-collecting tube
Group and put heat pipe heat；Heat pipe and demister can also be included.
The absorption tower body of the present invention uses absorption serosity that flue gas is carried out desulfurization process.This absorption tower body can be circle
Tubular, its height is more than diameter.The absorption serosity of the present invention can use known in the art those, such as magnesium oxide absorb slurry
Liquid, magnesium oxide containing oxidant absorb serosity etc..According to a specific embodiment of the present invention, in absorption tower bodies top also
It is provided with demister, for removing the most of moisture carried secretly in the flue gas after desulfurization processes.Preferably, this demister is arranged on
Put below heat pipe heat.
The gas approach of the present invention is arranged on middle part or the bottom of described absorption tower body, and it absorbs for being introduced by flue gas
Tower body.As preferably, this gas approach is arranged on the bottom of described absorption tower body, and such desulfurized effect is more preferable.
The blowdown stack of the present invention is arranged on the top of described absorption tower body, the flue gas row after desulfurization being processed
Put.Generally, blowdown stack is cylindric, and its height is more than diameter.Additionally, the diameter of blowdown stack is less than absorption tower body
Diameter, so can improve flue gas flow rate.
The endothermic tube group of the present invention is arranged on the inside of described gas approach, for being absorbed into the cigarette of described gas approach
Heat in gas.As preferably, described endothermic tube group includes the parallel many endothermic tubes arranged the most continuously.So can promote
Enter flue gas and the heat exchange of heat-conducting medium in endothermic tube group.The heat-conducting medium of the present invention can use well known in the art those,
Here repeat no more.As it is further preferred that many described endothermic tubes are the most vertically fixed, and the plane of arrangement of many endothermic tubes with
The angle in flow of flue gas direction is 80～100 degree, preferably 85～95 degree.Flue gas so can be allowed to be situated between with heat conduction in endothermic tube group
The heat exchange of matter is more abundant.According to a specific embodiment of the present invention, the plane of arrangement of described many endothermic tubes and cigarette
The angle in flow of air direction is 90 degree.In the present invention, can be to connect or separate between described many endothermic tubes
, it is preferably connection.
The thermal-collecting tube group of the present invention is arranged on described gas approach interiorly or exteriorly, and is connected with endothermic tube group, uses
In focusing on the heat that described endothermic tube group is collected.Preferably, the thermal-collecting tube group of the present invention is arranged on described gas approach
Outside.So thermal-collecting tube group preferably can be monitored.Between described many endothermic tubes during connection, described thermal-collecting tube
Group can be connected with described endothermic tube group by outermost two endothermic tubes of described endothermic tube group；When described many endothermic tubes
Between separate time, described thermal-collecting tube group can be connected with many endothermic tubes respectively by many conduits, thus realize
It is connected with described endothermic tube group.
The heat pipe heat of putting of the present invention is arranged on the bottom of described blowdown stack, and the flue gas after processing desulfurization adds
Heat.Preferably, the heat pipe heat of putting of the present invention includes the parallel many heat release pipes arranged the most continuously.So can promote to purify
Flue gas with put the heat exchange of heat-conducting medium in heat pipe heat.The heat-conducting medium of the present invention can use well known in the art those, this
In repeat no more.As it is further preferred that described many heat release pipe levels are fixed, and the plane of arrangement of many heat release pipes and flue gas stream
The angle in dynamic direction is 80～100 degree, preferably 85～95 degree.So can allow purifying smoke and put heat-conducting medium in heat pipe heat
Heat exchange more abundant.According to a specific embodiment of the present invention, the plane of arrangement of described many heat release pipes and flue gas
The angle of flow direction is 90 degree.In the present invention, described many heat releases can be to connect or separate between inhaling,
It is preferably connection.
The heat pipe of the present invention is for being delivered to put heat pipe heat by the heat of thermal-collecting tube group.Preferably, described heat pipe
It is arranged on the outside of described absorption tower body.Flue gas so can be avoided to affect the temperature of heat-conducting medium in heat pipe.The present invention
Heat-conducting medium can use well known in the art those, repeat no more here.Thermal-collecting tube group passes through heat pipe with putting heat pipe heat
Realize fluid communication, and then it is shared with energy efficient to realize heat.
<method of flue gas desulfurization>
The method utilizing said apparatus to carry out flue gas desulfurization introduced below, comprises the steps:
(1) flue gas from described gas approach is cooled to 80～95 DEG C by described endothermic tube group；
(2) the flue gas entrance described absorption tower body after cooling carries out desulfurization process；
(3) flue gas after desulfurization processes is put heat pipe heat and is warming up to 60～70 DEG C, then from described blowdown stack described in passing through
Discharge.
In the step (1) of the present invention, the flue gas from described gas approach can be after conventional dust removal system
Kiln discharge flue gas.If the flue gas after employing dedusting, steam reducing effect becomes apparent from.Generally, the flue gas temperature after dedusting
Degree is 120～130 DEG C.After endothermic tube group, flue-gas temperature is reduced to 80～95 DEG C, preferably 85～91 DEG C, such as 90 DEG C.
Heat-conducting medium in endothermic tube group absorbs the heat that inlet flue gas cooling brings, and focuses on through thermal-collecting tube group, then through leading
Heat pipe is delivered to put heat pipe heat.
In the step (2) of the present invention, the flue gas after cooling enters absorption tower body and carries out flue gas desulfurization process.Now,
Flue gas carries out sufficient gas-to-liquid contact with absorbing serosity, makes acid gas in flue gas be absorbed by loop slurry, the acid slurry reduced
Liquid so with absorb serosity carry out acid-base neutralization reaction, complete flue gas desulfurization course.Flue gas after desulfurization process is in water content relatively
Time big, the demister arranged by absorption tower bodies top removes the most of water wherein carried secretly.
In the step (3) of the present invention, the blowdown stack that the flue gas entrance top, absorption tower after desulfurization process is arranged, and with
The heat pipe heat of putting being arranged on blowdown stack bottom carries out heat exchange, and the temperature of purifying smoke is increased to 60～70 from about 40 DEG C
℃.Flue gas after desulfurization process is when water content is bigger, and flue gas enters back into what top, absorption tower was arranged after demister processes
Blowdown stack, and carry out heat exchange with the heat pipe heat of putting being arranged on blowdown stack bottom, it is purified flue gas.Flue-gas temperature is from 40
60～70 DEG C it are increased to about DEG C.After purification smoke temperature raises, it is in unsaturated state.Will not after it is with atmosphere
Condensation and dewfall phenomenon occurs, thus blowdown stack mouth does not has white cigarette phenomenon.
Through analysis of experiments, wet process of FGD optimal temperature trend o'clock is at 36 DEG C.But conventional wet desulphurization reaction
Minimum temperature be typically maintained in about 50 DEG C, this objective condition necessarily affects flue gas desulfurization and is difficulty with peak efficiency.This
Invention reduces the flue-gas temperature of gas approach, on the basis of not changing liquid-gas ratio and original absorption tower, desulfurization reaction temperature
About 40 DEG C can be reduced to.Owing to reaction temperature reduces, desulfuration efficiency will certainly improve accordingly.Additionally, due at desulfurization
Flue-gas temperature after reason is reduced to about 40 DEG C, and the steam carried in saturated wet flue gas will reduce from 87.56g/kg dry air
To 49.57g/kg dry air, i.e. decrease 43.4%.So, the steam being discharged in air just has and is greatly decreased.
Embodiment 1
Fig. 1 is the structural representation of the flue gas desulfurization device of the present invention.The inventive system comprises endothermic tube group 1, thermal-arrest
Pipe group 2, heat pipe 3, absorption tower body 4, gas approach 5, put heat pipe heat 6 and blowdown stack 7.Absorption tower body 4 uses and absorbs
Serosity carries out desulfurization process to flue gas.Gas approach 5 is arranged on the bottom of absorption tower body 4, for flue gas is introduced absorption tower
Body 4.Blowdown stack 7 is arranged on the top of absorption tower body 4, the fume emission after desulfurization being processed.
Endothermic tube group 1 is arranged on the inside of gas approach 5, the heat in the flue gas being absorbed into gas approach 5.Inhale
Heat pipe heat 1 includes the parallel many endothermic tubes arranged equidistantly, continuously, and these endothermic tubes are the most vertically fixed, and these heat absorptions
The plane of arrangement of pipe is 90 degree with the angle in flow of flue gas direction.Thermal-collecting tube group 2 is arranged on the outside of gas approach 5, and with suction
Heat pipe heat 1 is connected, for focusing on the heat that endothermic tube group 1 is collected.Thermal-collecting tube group 2 passes through heat pipe 3 with putting heat pipe heat 6
Realize fluid communication.Heat pipe 3 is for being delivered to put heat pipe heat 6 by heat-conducting medium by the heat of thermal-collecting tube group 2.Put heat pipe heat
6 bottoms being arranged on blowdown stack 7, for processing desulfurization and except the flue gas after mist heats.Put heat pipe heat 6 and include parallel
The many heat release pipes arranged equidistantly, continuously, these heat release pipe levels fix, and the plane of arrangement of these heat release pipes and flue gas
The angle of flow direction is 90 degree.
The technological process of above-mentioned flue gas desulfurization device introduced below:
(1) introducing gas approach 5 by discharging flue gas from the kiln after conventional dust removal system, flue-gas temperature now is
About 120 DEG C.After endothermic tube group 1 carries out heat exchange, flue-gas temperature is reduced to about 90 DEG C.Heat conduction in endothermic tube group 1
Absorption of Medium inlet flue gas is lowered the temperature the heat brought, and focuses on through thermal-collecting tube group 1, then is delivered to heat release through heat pipe 3
Pipe group 6.
(2) the flue gas entrance absorption tower body 4 after cooling carries out flue gas desulfurization process.
(3) desulfurization process after flue gas enter body 4 top, absorption tower arrange blowdown stack 7, and be arranged on discharge
The heat pipe heat 6 of putting of chimney 7 bottom carries out heat exchange, and the purification smoke temperature obtained is increased to about 65 DEG C from about 40 DEG C.Only
After changing flue-gas temperature rising, it is in unsaturated state, thus when not havinging condensation and dewfall phenomenon after itself and atmosphere, does not has
There is white cigarette phenomenon.
Embodiment 2
Except at the top of absorption tower body 4, putting in addition to the lower section of heat pipe heat 6 increases demister (not shown), other portions
Part is same as in Example 1.
The technological process of this flue gas desulfurization device introduced below:
(1) introducing gas approach 5 by discharging flue gas from the kiln after conventional dust removal system, flue-gas temperature now is
About 120 DEG C.After endothermic tube group 1 carries out heat exchange, flue-gas temperature is reduced to about 90 DEG C.Heat conduction in endothermic tube group 1
Absorption of Medium inlet flue gas is lowered the temperature the heat brought, and focuses on through thermal-collecting tube group 1, then is delivered to heat release through heat pipe 3
Pipe group 6.
(2) the flue gas entrance absorption tower body 4 after cooling carries out flue gas desulfurization process, and the flue gas after desulfurization processes passes through to inhale
The demister receiving the setting of tower body 4 top removes the most of water wherein carried secretly.
(3) after flue gas leaves demister enter body 4 top, absorption tower arrange blowdown stack 7, and be arranged on discharge
The heat pipe heat 6 of putting of chimney 7 bottom carries out heat exchange, and purification smoke temperature is increased to about 65 DEG C from about 40 DEG C.Purifying smoke
After temperature raises, it is in unsaturated state, thus when not havinging condensation and dewfall phenomenon after itself and atmosphere, does not has white cigarette
Phenomenon.
The present invention is not limited to above-mentioned embodiment, in the case of without departing substantially from the flesh and blood of the present invention, and this area skill
Art personnel it is contemplated that any deformation, improve, replace and each fall within the scope of the present invention.
Claims (10)
1. a flue gas desulfurization device, it is characterised in that described device includes:
Absorption tower body, it uses absorption serosity that flue gas is carried out desulfurization process；
Gas approach, its middle part being arranged on described absorption tower body or bottom, for introducing absorption tower body by flue gas；
Blowdown stack, it is arranged on the top of described absorption tower body, for by the fume emission after desulfurization process；
Endothermic tube group, it is arranged on the inside of described gas approach, is used for the heat being absorbed in the flue gas of described gas approach
Amount；
Thermal-collecting tube group, it is arranged on described gas approach interiorly or exteriorly, and is connected with endothermic tube group, is used for focusing on
The heat that described endothermic tube group is collected；
Putting heat pipe heat, it is arranged on the bottom of described blowdown stack, and the flue gas after processing desulfurization heats.
Device the most according to claim 1, it is characterised in that described device also includes:
Heat pipe, it is for being delivered to put heat pipe heat by the heat of thermal-collecting tube group.
Device the most according to claim 2, it is characterised in that described heat pipe is arranged on outside the body of described absorption tower
Portion.
Device the most according to claim 1, it is characterised in that described endothermic tube group includes parallel layout the most continuously
Many endothermic tubes.
Device the most according to claim 4, it is characterised in that many described endothermic tubes are the most vertically fixed, and many
The plane of arrangement of endothermic tube is 80～100 degree with the angle in flow of flue gas direction.
Device the most according to claim 5, it is characterised in that the plane of arrangement of described many endothermic tubes and flow of flue gas side
To angle be 90 degree.
Device the most according to claim 1, it is characterised in that described heat pipe heat of putting includes parallel layout the most continuously
Many heat release pipes.
Device the most according to claim 7, it is characterised in that described many heat release pipe levels are fixed, and many heat releases
The plane of arrangement of pipe is 80～100 degree with the angle in flow of flue gas direction.
Device the most according to claim 8, it is characterised in that the plane of arrangement of described many heat release pipes and flow of flue gas side
To angle be 90 degree.
10. utilize the method that the device described in any one of claim 1～9 carries out flue gas desulfurization, it is characterised in that the method bag
Include following steps:
(1) flue gas from described gas approach is cooled to 80～95 DEG C by described endothermic tube group；
(2) the flue gas entrance described absorption tower body after cooling carries out desulfurization process；
(3) flue gas after desulfurization processes is put heat pipe heat and is warming up to 60～70 DEG C described in passing through, and then discharges from described blowdown stack.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610738349.4A CN106215674B (en) | 2016-08-26 | 2016-08-26 | flue gas desulfurization device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610738349.4A CN106215674B (en) | 2016-08-26 | 2016-08-26 | flue gas desulfurization device and method |
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| CN106215674A true CN106215674A (en) | 2016-12-14 |
| CN106215674B CN106215674B (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110270190A (en) * | 2018-07-19 | 2019-09-24 | 孙厚杰 | A kind of flue gas wet absorption tower neat stress takes off white technique |
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|---|---|---|---|---|
| CN104266208A (en) * | 2014-09-16 | 2015-01-07 | 余伟俊 | Waste heat recovery boiler wet flue gas desulfurization system |
| CN104676620A (en) * | 2015-02-11 | 2015-06-03 | 杭州华电能源工程有限公司 | Flue gas processing system and flue gas processing method capable of enabling low-low temperature electrostatic precipitation to be combined with water pollination type GGH (Gas Gas Heater) |
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2016
- 2016-08-26 CN CN201610738349.4A patent/CN106215674B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266208A (en) * | 2014-09-16 | 2015-01-07 | 余伟俊 | Waste heat recovery boiler wet flue gas desulfurization system |
| CN104676620A (en) * | 2015-02-11 | 2015-06-03 | 杭州华电能源工程有限公司 | Flue gas processing system and flue gas processing method capable of enabling low-low temperature electrostatic precipitation to be combined with water pollination type GGH (Gas Gas Heater) |
| CN205948660U (en) * | 2016-08-26 | 2017-02-15 | 北京中晶环境科技股份有限公司 | Flue gas desulphurization device |
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| CN110270190A (en) * | 2018-07-19 | 2019-09-24 | 孙厚杰 | A kind of flue gas wet absorption tower neat stress takes off white technique |
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