CN105268301A - Wet method desulfurizing white smoke trailing treatment device and method - Google Patents
Wet method desulfurizing white smoke trailing treatment device and method Download PDFInfo
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- CN105268301A CN105268301A CN201510258907.2A CN201510258907A CN105268301A CN 105268301 A CN105268301 A CN 105268301A CN 201510258907 A CN201510258907 A CN 201510258907A CN 105268301 A CN105268301 A CN 105268301A
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Abstract
The invention relates to a wet method desulfurizing white smoke trailing treatment device and method. The treatment device comprises a booster fan, a desulfurizing tower, a reducing pipeline, a branch pipe network, a cooling water tank, a water collection tank, a draining pump, a valve, a chimney and a pipe. Flue gas is subjected to desulphurization in the desulfurizing absorbing tower through the booster fan, reducing is carried out through the pipe, then the flue gas goes into the water tank, heat radiation cooling exchange is carried out in the water tank through the branch pipe network, the temperature of the wet flue gas is lowered to about 40 DEG C from original about 55 DEG C, thus excess saturated vapor in the flue gas is condensed, the condensed water goes into the water collection tank and returns to the bottom of the desulfurizing tower for reuse, and the cooled flue gas is collected through the reducing pipe, goes into the chimney and is discharged. The excess water content in flue gas can be lowered, saturated vapor waste water is recovered, the desulfurizing tower white smoke trailing problem is solved effectively, the situation that residues in flue gas cannot pollute water resources is ensured, and secondary water treatment is avoided.
Description
Technical field
The present invention relates to controlling device and the method for the white cigarette hangover of a kind of wet desulphurization, belong to environmental technology field, the controlling device of the white cigarette hangover that especially metallurgical, power industry wet desulphurization after funnel is formed.
Background technology
In order to meet the discharge standard of increasingly stringent, solve the current quality of air environment gone from bad to worse, nearly more than ten years Chinese large-sized sintering machine, thermal power generation unit carry out smoke gas treatment transformation successively, current desulfurizer about 70% adopt wet desulphurization, cut down SO to a certain extent
2the total emission volumn of pollutant, but the thing followed is wet desulphurization device put into operation after exist " gypsum rain " and white cigarette conditions of streaking.White cigarette trails and mainly carries excessive saturated vapor, aerosol particle in flue gas.Because wet flue gas saturated after desulfurization temperature in discharge process reduces; add flue-gas temperature and the reason such as the environment temperature temperature difference is large and ambient pressure is low; water in flue gas reaches hypersaturated state; water vapour will condensation around chimney; add with aerosol particle mixed, more difficult timely diffusion, thus the phenomenon forming " white cigarette billows "; particularly in winter, this phenomenon is even more serious.Not only form poor visual effect, affect corporate image.And a large amount of thermal source enters air, causes hot-air to pollute.
Summary of the invention
There is " gypsum rain " and white cigarette conditions of streaking after putting into operation for existing wet desulphurization device, the main purpose of technical scheme provided by the invention is:
Controlling device and the method for the white cigarette hangover of a kind of wet desulphurization are provided.
To achieve these goals, present invention employs following technical scheme:
A controlling device for the white cigarette hangover of wet desulphurization, wherein, comprising: booster fan, desulfurizing tower, tapered pipeline, branch's pipe network, cooling water tank, header tank, draining pump, valve, chimney and pipeline etc.Flue gas through booster fan after desulfurization in desulfuration absorbing tower, reducing is carried out and branch enters water tank through pipeline, flow velocity is reduced afterwards in branch's pipe network, cooling exchange is carried out with the water in water tank, wet flue gas temperature is reduced to about 40 degree by about original 55 degree, and make excessive saturated vapor condensation in flue gas, the water of condensation enters header tank, and return lime slurry bottom desulfurizing tower and carry out reuse, cooled flue gas enters smoke stack emission after reducer pipe collects.
Another side of the present invention also comprises described desulfuration absorbing tower entrance and arranges booster fan, ensures the pressure of flue gas in desulfurizing tower and cooling water tank.
Another side of the present invention also comprises described flue entering cooling water tank and carries out reducing, tapered pipeline separates branched branch line, and each branch line is fixedly connected with, and flue gas reduces flow velocity through each lateral, increase and amass with water engaging surface, carry out quick-cooling, heating exchange.
Another side of the present invention also comprises described branch line tail end and arranges header tank, collects the condensed water of excessive saturated vapor in flue gas.
Another side of the present invention arranges tapered pipeline after also comprising described header tank, collects cooled flue gas through smoke stack emission.
Another side of the present invention also comprises in described header tank and arranges liquid level gauge, and condensed water reaches setting height and is transported to lime slurry bottom desulfuration absorbing tower by water pump and valve and recycles.
It should be noted that the water in water tank can adopt industrial circulating water to circulate.Because cooling system is indirectly cooling, in flue gas, residue can not polluted source, avoids intermediate water to administer.After cooling water tank medium water promotes after cooled flue gas temperature, directly can supply Commercial cultivation or domestic water, as sinter mixture adds water, can mixture temperature etc. be improved.
What need further illustrate is that in cooling water tank, water discharges after seawater also can be adopted to carry out directly cooling.
What need further illustrate is that water tank both can adopt horizontal layout, also can arrange according to total figure and adopt vertical.
An administering method for the white cigarette hangover of wet desulphurization, wherein, comprises the steps:
Step 1: a kind of flue gas is provided;
Step 2: utilize booster fan to pressurize, and enter desulfurizing tower and carry out desulfurization, the flue gas after desulfurization is discharged from tower top;
Step 3: the flue gas of discharge enters cyclic water tank through pipeline, tapered pipeline, carries out cooling exchange through branch's pipe network, excessive saturated vapor condensation, the water of condensation enters header tank;
Step 4: cooled flue gas is after the pooling from smoke stack emission, and condensed water returns bottom desulfurizing tower and recycles.
By the enforcement to technical solution of the present invention, following technique effect can be obtained:
1, eliminate aerosol and white cigarette hangover, improve visual effect.
2, reduce water content excessive in flue gas, reclaim saturated vapor waste water, carry out secondary utilization.
3, condensation saturated vapor, reduces exhaust gas dust discharge capacity.
4, because residue in flue gas can not pollute the water source of heat exchange, intermediate water is avoided to administer, so the water source of heat exchange can directly for producing or domestic water utilization.
5, whole system easy temperature control, processing ease, easy to maintenance, operating cost is lower, meets recycling economy, is the developing direction that enterprise realizes energy-saving and emission-reduction and environmental protection.
Accompanying drawing explanation
Fig. 1 is the structural representation of the controlling device of the white cigarette hangover of a kind of wet desulphurization of the present invention.
Fig. 2 is the administering method FB(flow block) of the white cigarette hangover of a kind of wet desulphurization of the present invention.
Detailed description of the invention
Be described technical scheme of the present invention below by way of specific embodiment, with under the conflict free prerequisite of object of the present invention, the technical characteristic in the embodiment hereinafter mentioned and embodiment can combine mutually.
As shown in Figure 1, being denoted as in figure: 1-flue, 2-booster fan, 3-smoke inlet, 4-lime slurry, 5-spraying layer, 6-desulfuration absorbing tower, 7-desulfurizing tower exports, 8-pipeline, 9-entrance reducer pipe, 10-cooling water tank, 11-branch pipe network, 12-liquid level gauge, 13-header tank, 14-exports reducer pipe, 15-chimney, 16-water pump, 17-valve.
The technical solution adopted in the present invention is: flue gas through booster fan after desulfurization in desulfuration absorbing tower, carry out entering water tank after reducing and branch through pipeline, after in water tank, carry out cooling heat dissipation exchange through branched pipe net, wet flue gas temperature is reduced to about 40 degree by about original 55 degree, make excessive saturated vapor condensation in flue gas, the water of condensation enters header tank, and returns bottom desulfurizing tower and carry out reuse, and cooled flue gas enters smoke stack emission after reducer pipe collects.
Embodiment of the present invention relates to controlling device and the method for the white cigarette hangover of a kind of wet desulphurization, and for making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail:
Fig. 1 is device schematic diagram of the present invention, the present invention mainly comprises, flue (1) enters desulfuration absorbing tower (6) from smoke inlet (3) after being pressurizeed by booster fan (2) by flue gas, through spraying layer (5) many atomizers, lime slurry (4) and the sufficient haptoreaction of former flue gas are carried out desulfurization, flue gas after desulfurization is given entrance reducer pipe (9) from desulfurizing tower outlet (7) through pipeline (8) and is entered water tank (10), tube inlet reducer pipe (9) is decomposed into branched branch pipe network (11), flue gas underspeeds in each branch pipe network (11), indirectly fully contact with the recirculated water in water tank, cooling heat dissipation exchanges, wet flue gas temperature is reduced to about 40 degree by about original 55 degree, make excessive saturated vapor condensation in flue gas, the water of condensation enters header tank (13), header tank (13) is provided with liquid level gauge (12), reach setting height automatically to send back to mix with lime slurry (4) bottom desulfurizing tower by water pump (16) and valve (17) and carry out reuse, cooled flue gas enters chimney (15) discharge after reducer pipe (14) collects.
The present invention is provided with temperature-detecting device in addition, pressure-detecting device, the devices such as the detection of flue gas flow, discharge, high water tank detection, and coupling system technique, Control System Software carry out unifying to control, and realize full-automatic production.
Be not difficult to find, the present invention carries out indirect cooling heat dissipation exchange by flue gas at branch's pipe network and Water in Water Tanks, and wet flue gas temperature is reduced to about 40 degree by about original 55 degree, makes excessive saturated vapor condensation in flue gas enter header tank.Water content excessive in flue gas can not only be reduced; reclaim saturated vapor waste water, effectively solve the white cigarette conditions of streaking of desulfurizing tower; but also to guarantee in flue gas that residue can not polluted source; intermediate water is avoided to administer; the water source of heat exchange can directly for producing or domestic water utilization; meeting recycling economy, is the developing direction that enterprise realizes energy-saving and emission-reduction and environmental protection.
Also comprise the administering method of the white cigarette hangover of a kind of wet desulphurization in technical scheme of the present invention, wherein, as shown in Figure 2, comprise the steps:
Step 1: a kind of flue gas is provided;
Step 2: utilize booster fan to pressurize, and enter desulfurizing tower and carry out desulfurization, the flue gas after desulfurization is discharged from tower top;
Step 3: the flue gas of discharge enters cyclic water tank through pipeline, tapered pipeline, carries out cooling exchange through branch's pipe network, excessive saturated vapor condensation, the water of condensation enters header tank;
Step 4: cooled flue gas is after the pooling from smoke stack emission, and condensed water returns bottom desulfurizing tower and recycles.
The above embodiments are only that part of the present invention embodies; can not contain all of the present invention; on the basis of above-described embodiment and accompanying drawing; those skilled in the art can obtain more embodiment according to the present invention under the prerequisite not paying creative work; and similar transformation is carried out to other similar items, therefore these embodiments obtained under not paying the prerequisite of creative work all should be included in protection scope of the present invention.
Claims (7)
1. a controlling device for the white cigarette hangover of wet desulphurization, is made up of booster fan, desulfurizing tower, tapered pipeline, branch's pipe network, cooling water tank, header tank, draining pump, valve, chimney and pipeline.
It is characterized in that, comprising: arrange branch's pipe network in water tank, branch's pipe network tail end arranges header tank.Wet-method desulfurized fume carries out reducing through pipeline and enters water tank, in water tank, cooling exchange is carried out through branch's pipe network, make excessive saturated vapor condensation in flue gas, the water of condensation enters header tank, and return bottom desulfurizing tower and carry out reuse, cooled flue gas enters smoke stack emission after reducer pipe collects.
2. the controlling device of the white cigarette hangover of a kind of wet desulphurization as claimed in claim 1, is characterized in that desulfuration absorbing tower entrance arranges booster fan, ensures the pressure of flue gas in desulfurizing tower and water tank.
3. the controlling device of the white cigarette hangover of a kind of wet desulphurization as claimed in claim 1, it is characterized in that flue carries out reducing entering cooling water tank, tapered pipeline separates branched branch line, and flue gas reduces flow velocity through lateral, carries out cold and hot exchange with cooling water mediate contact.
4. the controlling device of the white cigarette hangover of a kind of wet desulphurization as claimed in claim 1, is characterized in that branch line tail end arranges header tank, collects the condensed water of the excessive saturated vapor of flue gas.
5. the controlling device of the white cigarette hangover of a kind of wet desulphurization as claimed in claim 1, arranges tapered pipeline after it is characterized in that header tank, collects cooled flue gas through smoke stack emission.
6. the controlling device of a kind of wet desulphurization white cigarette hangover as claimed in claim 1, is characterized in that arranging liquid level gauge in header tank, reaches setting height and is transported to desulfuration absorbing tower bottom cycle water by water pump and valve and recycles.
7. an administering method for the white cigarette hangover of wet desulphurization, is characterized in that, comprise the steps:
Step 1, provides a kind of flue gas;
Step 2, utilizes booster fan to pressurize, and enters desulfurizing tower and carry out desulfurization, and the flue gas after desulfurization is discharged from tower top;
Step 3, the flue gas of discharge enters cyclic water tank through pipeline, tapered pipeline, carries out cooling exchange through branch's pipe network, excessive saturated vapor condensation, and the water of condensation enters header tank;
Step 4, cooled flue gas is after the pooling from smoke stack emission, and condensed water returns bottom desulfurizing tower and recycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258907.2A CN105268301A (en) | 2015-05-15 | 2015-05-15 | Wet method desulfurizing white smoke trailing treatment device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510258907.2A CN105268301A (en) | 2015-05-15 | 2015-05-15 | Wet method desulfurizing white smoke trailing treatment device and method |
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| CN105268301A true CN105268301A (en) | 2016-01-27 |
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| CN201510258907.2A Pending CN105268301A (en) | 2015-05-15 | 2015-05-15 | Wet method desulfurizing white smoke trailing treatment device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805768A (en) * | 2016-05-19 | 2016-07-27 | 洛阳瑞昌石油化工设备有限公司 | Energy saving and environmental protecting equipment and process for reducing white smoke in flue gas |
| CN107737493A (en) * | 2017-11-03 | 2018-02-27 | 四川省达州钢铁集团有限责任公司 | A kind of energy-saving desulfurization white cigarette governing system and method |
| CN108361726A (en) * | 2018-03-28 | 2018-08-03 | 程琛 | A kind of thermal power plant flue gas boosting lowered temperature reclamation eliminating white smoke system and method |
| CN108499307A (en) * | 2018-06-14 | 2018-09-07 | 济钢集团有限公司 | A kind of sintering device flue gas " de- white+purification " processing method and equipment |
| CN108607334A (en) * | 2018-06-23 | 2018-10-02 | 江苏垦乐节能环保科技有限公司 | A kind of wet-method desulfurized fume efficiently takes off white device and its implementation |
| CN110538552A (en) * | 2019-09-20 | 2019-12-06 | 山东保蓝环保工程有限公司 | Flue gas of reclaimed plastic processing production usefulness takes off white processing apparatus |
| CN111589272A (en) * | 2019-02-21 | 2020-08-28 | 上海欧向自动化科技发展有限公司 | Chimney tail gas white-eliminating comprehensive treatment system |
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| CN202757480U (en) * | 2012-06-22 | 2013-02-27 | 浙江金氟隆化工装备有限公司 | Tube nest type condenser |
| CN202973985U (en) * | 2012-10-25 | 2013-06-05 | 大兴安岭富来森能源科技有限公司 | Tube type heat exchanger |
| CN203458958U (en) * | 2013-07-08 | 2014-03-05 | 中国电力工程顾问集团公司 | Flue gas treatment system |
| CN204619727U (en) * | 2015-05-15 | 2015-09-09 | 李正福 | A kind of controlling device of wet desulphurization " white cigarette hangover " |
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Patent Citations (4)
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| CN202757480U (en) * | 2012-06-22 | 2013-02-27 | 浙江金氟隆化工装备有限公司 | Tube nest type condenser |
| CN202973985U (en) * | 2012-10-25 | 2013-06-05 | 大兴安岭富来森能源科技有限公司 | Tube type heat exchanger |
| CN203458958U (en) * | 2013-07-08 | 2014-03-05 | 中国电力工程顾问集团公司 | Flue gas treatment system |
| CN204619727U (en) * | 2015-05-15 | 2015-09-09 | 李正福 | A kind of controlling device of wet desulphurization " white cigarette hangover " |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805768A (en) * | 2016-05-19 | 2016-07-27 | 洛阳瑞昌石油化工设备有限公司 | Energy saving and environmental protecting equipment and process for reducing white smoke in flue gas |
| CN107737493A (en) * | 2017-11-03 | 2018-02-27 | 四川省达州钢铁集团有限责任公司 | A kind of energy-saving desulfurization white cigarette governing system and method |
| CN108361726A (en) * | 2018-03-28 | 2018-08-03 | 程琛 | A kind of thermal power plant flue gas boosting lowered temperature reclamation eliminating white smoke system and method |
| CN108499307A (en) * | 2018-06-14 | 2018-09-07 | 济钢集团有限公司 | A kind of sintering device flue gas " de- white+purification " processing method and equipment |
| CN108607334A (en) * | 2018-06-23 | 2018-10-02 | 江苏垦乐节能环保科技有限公司 | A kind of wet-method desulfurized fume efficiently takes off white device and its implementation |
| CN111589272A (en) * | 2019-02-21 | 2020-08-28 | 上海欧向自动化科技发展有限公司 | Chimney tail gas white-eliminating comprehensive treatment system |
| CN110538552A (en) * | 2019-09-20 | 2019-12-06 | 山东保蓝环保工程有限公司 | Flue gas of reclaimed plastic processing production usefulness takes off white processing apparatus |
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Application publication date: 20160127 |