CN106422684A - Device for removing white smoke in flue gas - Google Patents
Device for removing white smoke in flue gas Download PDFInfo
- Publication number
- CN106422684A CN106422684A CN201611064148.7A CN201611064148A CN106422684A CN 106422684 A CN106422684 A CN 106422684A CN 201611064148 A CN201611064148 A CN 201611064148A CN 106422684 A CN106422684 A CN 106422684A
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- flue gas
- flue
- white
- device housing
- air
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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
- B01D53/26—Drying gases or vapours
-
- 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
- B01D53/26—Drying gases or vapours
- B01D53/265—Drying gases or vapours by refrigeration (condensation)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention provides a device for removing white smoke in flue gas. The device comprises a flue gas pipeline, a first dewatering device, a device shell, at least one second dewatering devices, a smoke outlet cap and a water collection and drainage pipe. The first dewatering device is transversely arranged in the flue gas pipeline which is arranged at a flue gas outlet of a desulfurizing tower or a wet electrostatic precipitator, the lower portion of the device shell is communicated with the flue gas pipeline, the second dewatering devices are arranged on the upper portion of the device shell, the smoke outlet cap is arranged above the second dewatering devices, and the water collection and drainage pipe is communicated with the bottom of the device shell. A mixing chamber is formed in the device shell, the side wall of the device shell is provided with a plurality of air guide ports, and cooling fans are arranged at the air guide ports and used for sucking external air into the mixing chamber. The device for removing the white smoke in the flue gas is simple in structure, low in investment and extremely low in production operating cost, and white smoke reduction or removal in flue gas emission can be realized basically.
Description
Technical field
The present invention relates to a kind of flue gas takes off white device, what this process unit produced be applied to commercial production arranges containing wet flue gas
Subtracting when putting is white or de- white, is particularly suitable for the cigarette that steel mill's sintering, boiler generating, waste incineration etc. adopt wet desulfurizing process
Subtracting during gas discharge is white or de- white.
Background technology
In the last few years, the strict demand to energy-saving and emission-reduction and discharge index with country, all trades and professions are all constantly taken and are arranged
Apply, research new technique, exploitation new technology, manufacture new equipment, all come into operation in energetically installation.Through effort in a few years, one
A little enterprises all can reach discharging standards in the discharge indexs such as dust, SO2, sewage and require, and make environment have very big change.
But it is it follows that long white dragon occurs during some enterprise's fume emissions, and more past northern, colder
Region Bai Longyue length.These white cigarette heavy damages urban landscape, impact periphery traffic visibility etc..Through investigation, in national model
In enclosing:The every region having containing wet flue gas discharge of the industries such as iron and steel, electric power, chemical industry, particularly steel mill's sintering, boiler generate electricity, rubbish
All this phenomenon when the fume emission using wet desulfurizing process such as burning substantially in rubbish, air is caused serious pollution existing
Shape.
At present, each relevant enterprise is all energetically trying every possible means it is desirable to solve this problem as early as possible.Solve the normal of this problem
Rule method is:
One is that flue gas is cooled to 25 DEG C about from 50 DEG C about, separates out a part of water, reduces humidity of flue gas, can during discharge
Reduce white or no white.And cool down and mainly have to flue gas refrigeration and water spray water-cooled two ways.
Two is that from 50 DEG C about, flue gas is heated to more than 80 DEG C, reduces flue gas relative humidity, may be reduced by white during discharge
Or it is no white.And heat and mainly have using high temperature heat source heat exchanger heat exchange mode and be directly blended into hybrid mode using high-temp waste gas.
Because the exhaust gas volumn that big commercial production produces is very big, the construction investment that above four kinds of modes have is high, some operation consumptions
Energy is big, and the not only investment having is high but also runs power consumption also greatly.After such methods are implemented, the production of enterprise will be greatly increased
Operating cost, reduces the performance of enterprises, and enterprise is difficult to bear.
Content of the invention
It is an object of the invention to overcoming the shortcomings of above-mentioned technology, thus providing a kind of flue gas to take off white device, its underpart with
After desulfurizing tower(If being provided with wet electric precipitation after desulfurizing tower, after wet electric precipitation)Exhanst gas outlet is connected, containing wet flue gas through this invention
Device enters air after processing, and just can reach and subtract white or de- white effect.The sharpest edges of the present invention be apparatus structure simple,
Investment is low, production run expense is extremely low, substantially can reach fume emission and subtract white or de- white purpose.
The technical solution adopted in the present invention is such:Flue gas takes off white device, including being arranged at desulfurizing tower or wet electricity removes
The flue of cloud of dust gas outlet, the first dehydrator being horizontally set in described flue, bottom and described fume pipe
Device case that road is connected, it is arranged at least two-layer second dehydrator of described device housing upper, is arranged at described second
The drain pipe that catchments that smoke evacuation cap above dehydrator is connected with the bottom of described device housing, forms in described device housing
Mixing chamber, the side wall of described device housing offers some air-vents, is provided with and sucks outside air at described air-vent
The indoor cooling fan of described mixing.
Further improved it is:The bottom of described device housing is tapered, and described air-vent is opened in described device housing
Inclined-plane on.
Further improved it is:Described air-vent has multiple, and multiple described air-vents are uniformly opened in described device shell
On body.
Further improved it is:The bottom of described device housing is plane, and described flue stretches out described device housing
Bottom.
Further improved it is:The exhanst gas outlet of described flue be provided with for detect flue gas exhaust gas volumn, flow velocity,
The sensor of temperature and pressure, described cooling fan is connected with described controller by controller control, described sensor.
Further improved it is:The side of described smoke evacuation cap is made using stainless (steel) wire.
By adopting preceding solution, the invention has the beneficial effects as follows:Structure is simple, invest low, production run expense
Extremely low, substantially can reach fume emission and subtract white or de- white purpose.
Brief description
Fig. 1 is schematic diagram of the present invention.
Wherein:1st, flue;2nd, the first dehydrator;3rd, device case;4th, the second dehydrator;5th, smoke evacuation cap;6th, catchment
Drain pipe;7th, cooling fan.
Specific embodiment
To further illustrate the present invention below in conjunction with the drawings and specific embodiments.
As shown in figure 1, the present invention discloses a kind of flue gas takes off white device, including being arranged at desulfurizing tower or wet electric precipitation flue gas goes out
Flue 1 at mouthful, the first dehydrator 2 being horizontally set in described flue 1, bottom and described flue 1 phase
Connection device case 3, be arranged at described device housing 3 top at least two-layer the second dehydrator 4, be arranged at described second take off
The drain pipe 6 that catchments that the smoke evacuation cap 5 of hydrophone 4 top is connected with the bottom of described device housing 3, shape in described device housing 3
Become mixing chamber, the side wall of described device housing 3 offers some air-vents, is provided with described air-vent and outside air is inhaled
Enter the indoor cooling fan 7 of described mixing.
Take off white working procedure and relevant technological thought:
(1)Enter the mixing chamber of this device containing wet flue gas from desulfurizing tower or wet electric cleaner top dehydrator direction, contain after entrance
The rapid expansion of wet flue gas is so as to flow velocity and pressure drop in the range of the technology of the present invention requirement;
(2)Include wet flue gas in mixing chamber and cold wind enters the outdoor natural wind of fan supply(Hereinafter referred to as cold wind)Mixing.For true
Guarantor is sufficiently mixed, and the present invention one is according to amount containing wet flue gas, flow velocity, temperature and pressure before entrance mixing chamber inlet, determines cooling
Air quantity, pressure;Two is according to containing wet flue gas and cold blast rate sum, determines mixing chamber horizontal section size and mixing chamber volume;Three
It is according to mixing chamber physical dimension, cooling air quantity and pressure, determines into fan number of units, equipment technical parameters, and enter fan peace
The two-dimensional space angle of dress.In addition, select not only to meet the requirement of cold wind total amount into fan number of units, it is also contemplated that user location
The factors such as domain, season.Be beneficial to during production run meet flue gas take off white on the premise of, close down partial-air admission fan in good time,
Reach the purpose of using electricity wisely to greatest extent.
(3)Due to being sufficiently mixed containing wet flue gas and cold wind, the temperature of mixed gas is significantly less than former temperature containing wet flue gas, makes
The saturation water capacity relative reduction of mixed gas, will separate out a part of water, water will be taken off when flue gas rises to two-layer dehydrator
Remove.The water taken off flows to bottom of device along device case 3, and through catchmenting, drain pipe 6 is discharged.
(4)After dehydration, the sides and top through cap 5 of discharging fume for the flue gas enters air.The side of smoke evacuation cap 5 adopts stainless (steel) wire
Material, can be dehydrated when flue gas passes through further.So, the flue gas of discharge not only saturation water capacity relative reduction, and due to this
The feature of invention, outside flue gas, row's kinetic energy is little, and flue gas flow rate is very slow, so that flue gas narrow regions inside and outside exhaust cap is fully incorporated greatly
Gas, reaches and subtracts white and de- white purpose.
It is preferred embodiment that the bottom of described device housing 3 is tapered in the present embodiment, described air-vent is opened in
On the inclined-plane of described device housing 3.
It is preferred embodiment that described air-vent has multiple, and multiple described air-vents uniformly open up in the present embodiment
On described device housing 3.
It is preferred embodiment that the bottom of described device housing 3 is plane, and described flue 1 is stretched in the present embodiment
Go out the bottom of described device housing 3.
It is preferred embodiment that the exhanst gas outlet of described flue 1 is provided with for detecting flue gas in the present embodiment
Exhaust gas volumn, flow velocity, the sensor of temperature and pressure, described cooling fan 7 by controller control, described sensor and described control
Device is connected.
It is preferred embodiment that the side of described smoke evacuation cap 5 is made using stainless (steel) wire in the present embodiment.
Before desulfurizing tower or wet electricity put into production, fan will be entered and all start, when 50 DEG C contain the wet flue gas entrance present invention
After device, this device will enter normal work program, when containing wet flue gas through this device process after, gaseous mixture temperature reduction 10
DEG C about, flue gas moisture content will drop to 60g/Nm from 110g/Nm, but due to after mixing volume of gas increase, make flue gas
Relative humidity reduces further, then enters air with extremely low speed by cap 5 of discharging fume, and makes flue gas narrow and small area inside and outside exhaust cap
Domain fully incorporates air, reaches and subtracts white and de- white purpose.In order to reduce production run cost to greatest extent, operator can
Closed down into fan number of units according to local climate situation and smoke evacuation state in good time.When part is closed down into fan, to enter by some
Fan arrangement sequence number interval is shut down, to guarantee to enter the uniformity of device cold wind.
Ultimate principle and principal character and its advantage of the present invention have been shown and described above, the technical staff of the industry should
This understanding, the present invention is not restricted to the described embodiments, and the simply explanation present invention's described in above-described embodiment and explanation is former
Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements
Both fall within scope of the claimed invention, claimed scope is by appending claims and its equivalent circle.
Fixed.
Claims (6)
1. flue gas take off white device it is characterised in that:Including be arranged at desulfurizing tower or wet electric precipitation smoke outlet flue,
Device case that the first dehydrator of being horizontally set in described flue, bottom are connected with described flue, setting
In described device housing upper at least two-layer second dehydrator, be arranged at smoke evacuation cap and institute above described second dehydrator
State the drain pipe that catchments that the bottom of device case is connected, in described device housing, form mixing chamber, the side of described device housing
Some air-vents are offered on wall, is provided with described air-vent and outside air is sucked the indoor cooling fan of described mixing.
2. flue gas according to claim 1 take off white device it is characterised in that:The bottom of described device housing is tapered, institute
State air-vent to be opened on the inclined-plane of described device housing.
3. flue gas according to claim 2 take off white device it is characterised in that:Described air-vent have multiple, multiple described
Air-vent is uniformly opened on described device housing.
4. flue gas according to claim 1 take off white device it is characterised in that:The bottom of described device housing is plane, institute
State the bottom that flue stretches out described device housing.
5. flue gas according to claim 1 take off white device it is characterised in that:The exhanst gas outlet of described flue is provided with
For detecting the sensor of the exhaust gas volumn of flue gas, flow velocity, temperature and pressure, described cooling fan is by controller control, described sensing
Device is connected with described controller.
6. flue gas according to claim 1 take off white device it is characterised in that:The side of described smoke evacuation cap adopts stainless (steel) wire
Make.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611064148.7A CN106422684A (en) | 2016-11-28 | 2016-11-28 | Device for removing white smoke in flue gas |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611064148.7A CN106422684A (en) | 2016-11-28 | 2016-11-28 | Device for removing white smoke in flue gas |
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Publication Number | Publication Date |
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CN201611064148.7A Pending CN106422684A (en) | 2016-11-28 | 2016-11-28 | Device for removing white smoke in flue gas |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107376578A (en) * | 2017-06-29 | 2017-11-24 | 北京建筑大学 | The demister and method of a kind of flue tail gas |
CN108261842A (en) * | 2018-01-10 | 2018-07-10 | 山东国舜建设集团有限公司 | A kind of cooling condensation and dewatering integrated elimination " white cigarette " method |
CN109331600A (en) * | 2018-11-12 | 2019-02-15 | 昊姆(上海)节能科技有限公司 | Blast furnace slag flushing flue gas disappears white integrated apparatus |
CN109442459A (en) * | 2018-11-16 | 2019-03-08 | 天津大学 | A kind of gas fired-boiler flue gas takes off white system |
CN110772938A (en) * | 2019-11-01 | 2020-02-11 | 中冶东方工程技术有限公司 | Intensive smoke plume treatment and purification system and method |
CN112827329A (en) * | 2021-02-07 | 2021-05-25 | 丁克敬 | White smoke treatment device |
Citations (7)
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CN2648306Y (en) * | 2003-06-16 | 2004-10-13 | 方伟石 | High efficient fume purifier |
CN101279182A (en) * | 2008-05-26 | 2008-10-08 | 佛山市合璟节能环保科技有限公司 | Method and device for eliminating white smoke in industry flue gas |
KR20100133620A (en) * | 2009-06-12 | 2010-12-22 | 정재억 | Dust removing and cooling apparatus |
CN202224053U (en) * | 2011-09-30 | 2012-05-23 | 北京安普能环保工程技术有限公司 | Cascade flow gas liquid separation device for eliminating desulfurized white smoke |
CN202778256U (en) * | 2012-08-10 | 2013-03-13 | 北京中科创新园环境技术有限公司 | Desulfurizing tower of dewatering and demisting straight moisture-removing chimney arranged at device |
CN103920376A (en) * | 2014-04-30 | 2014-07-16 | 四川省达州钢铁集团有限责任公司 | Low-energy-consumption hybrid white smoke elimination device |
CN206334513U (en) * | 2016-11-28 | 2017-07-18 | 江苏亿金环保科技有限公司 | Flue gas takes off white device |
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2016
- 2016-11-28 CN CN201611064148.7A patent/CN106422684A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2648306Y (en) * | 2003-06-16 | 2004-10-13 | 方伟石 | High efficient fume purifier |
CN101279182A (en) * | 2008-05-26 | 2008-10-08 | 佛山市合璟节能环保科技有限公司 | Method and device for eliminating white smoke in industry flue gas |
KR20100133620A (en) * | 2009-06-12 | 2010-12-22 | 정재억 | Dust removing and cooling apparatus |
CN202224053U (en) * | 2011-09-30 | 2012-05-23 | 北京安普能环保工程技术有限公司 | Cascade flow gas liquid separation device for eliminating desulfurized white smoke |
CN202778256U (en) * | 2012-08-10 | 2013-03-13 | 北京中科创新园环境技术有限公司 | Desulfurizing tower of dewatering and demisting straight moisture-removing chimney arranged at device |
CN103920376A (en) * | 2014-04-30 | 2014-07-16 | 四川省达州钢铁集团有限责任公司 | Low-energy-consumption hybrid white smoke elimination device |
CN206334513U (en) * | 2016-11-28 | 2017-07-18 | 江苏亿金环保科技有限公司 | Flue gas takes off white device |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107376578A (en) * | 2017-06-29 | 2017-11-24 | 北京建筑大学 | The demister and method of a kind of flue tail gas |
CN108261842A (en) * | 2018-01-10 | 2018-07-10 | 山东国舜建设集团有限公司 | A kind of cooling condensation and dewatering integrated elimination " white cigarette " method |
CN109331600A (en) * | 2018-11-12 | 2019-02-15 | 昊姆(上海)节能科技有限公司 | Blast furnace slag flushing flue gas disappears white integrated apparatus |
CN109331600B (en) * | 2018-11-12 | 2023-06-02 | 昊姆(上海)节能科技有限公司 | Blast furnace slag flushing smoke white eliminating integrated device |
CN109442459A (en) * | 2018-11-16 | 2019-03-08 | 天津大学 | A kind of gas fired-boiler flue gas takes off white system |
CN110772938A (en) * | 2019-11-01 | 2020-02-11 | 中冶东方工程技术有限公司 | Intensive smoke plume treatment and purification system and method |
CN112827329A (en) * | 2021-02-07 | 2021-05-25 | 丁克敬 | White smoke treatment device |
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Application publication date: 20170222 |
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