CN208786154U - Flue gas processing device and wet desulfurization system - Google Patents
Flue gas processing device and wet desulfurization system Download PDFInfo
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- CN208786154U CN208786154U CN201820946843.4U CN201820946843U CN208786154U CN 208786154 U CN208786154 U CN 208786154U CN 201820946843 U CN201820946843 U CN 201820946843U CN 208786154 U CN208786154 U CN 208786154U
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Abstract
The utility model embodiment provides a kind of flue gas processing device and wet desulfurization system, described device, it include: absorption tower with gas inlet and exhanst gas outlet and the liquid spray thrower being connect with the absorption tower, the liquid spray thrower is sprayed using liquid convection through the flue gas of the gas inlet and the exhanst gas outlet, the flue gas processing device further include: an at least cooling layer, enable the liquid of the liquid spray thrower spray by an at least cooling layer, an at least cooling layer absorbs the heat of the liquid spray thrower ejecting liquid and flue gas, make the liquid and flue gas cool-down.The utility model embodiment solves the problems, such as that the vapor in neat stress can not be reduced in the prior art.
Description
Technical field
The utility model relates to flue gases purification field more particularly to a kind of flue gas processing device and wet desulphurization systems
System.
Background technique
Wet Flue Gas Desulfurization Technique is a kind of widely used fume treatment desulfurization technology, is one kind in flue gas and/or work
Industry tail gas pollution administers the representative technology of aspect.When carrying out wet desulphurization, usually using lime stone or the slurry of lime
Liquid washs flue gas using the slurries containing desulfurizing agent in absorption tower as desulfurizing agent, makes the SO in flue gas2With desulfurization
Agent reaction generates CaSO3And CaSO4Deng realization desulfurization.But there are some problems for existing Wet Flue Gas Desulfurization Technique, for example, spray is washed
The fine droplet being mixed in flue gas generated during installation demister removal spray is both needed to after washing cleaning equipment.But it is existing
Demister such as Flat defroster, ridge type demister not can be removed in flue gas existing moisture in vapour form, this makes
The water consumption for obtaining Wet Flue Gas Desulfurization Technique is big, increases operating cost.
Utility model content
In view of this, the utility model embodiment provides a kind of flue gas processing device and wet desulfurization system, it is existing to solve
There is the problem of vapor that can not be reduced in neat stress in technology.
One side according to the present utility model provides a kind of flue gas processing device, comprising: there is gas inlet and flue gas to go out
The absorption tower of mouth and the liquid spray thrower connecting with the absorption tower, the liquid spray thrower is using liquid convection through the cigarette
The flue gas of gas import and the exhanst gas outlet is sprayed, the flue gas processing device further include: an at least cooling layer, described in order
For the liquid of liquid spray thrower spray by an at least cooling layer, an at least cooling layer absorbs the liquid spray thrower spray
The heat for drenching liquid and flue gas, makes the liquid and flue gas cool-down.
Optionally, the liquid that the liquid spray thrower is sprayed accommodates empty from the slurries for being located at the absorb the bottom of the tower
Between.
Optionally, the liquid that the liquid spray thrower is sprayed is also from the confession positioned at the absorption tower either internally or externally
Water installations.
Optionally, the water supply device is watering cycle device, and the watering cycle device includes water supply accommodating space and confession
Water pump, it is described to enable water supply be provided to the liquid spray thrower from the water supply accommodating space for pump.
Optionally, the watering cycle device further includes collecting the absorption tower inner condensat liquid body and watering cycle device spray liquid
The liquid of collection is provided to the water supply accommodating space by the water collector of body, the water collector.
Optionally, at least one cooling layer is multiplexed the gas-liquid coupler in the absorption tower.
Optionally, the gas-liquid coupler is made of heat-conducting.
Optionally, the gas-liquid coupler includes multiple heat exchange structures being staggered, and the heat exchange structure order connects with it
The ejecting liquid of touching and the heat of flue gas are conducted to the heat exchange structure.
Optionally, the cooling layer is connect with cold source.
Another aspect according to the present utility model provides a kind of wet desulfurization system comprising above-mentioned fume treatment dress
It sets.
Flue gas processing device provided by the embodiment of the utility model, the absorption tower of the flue gas processing device be used for flue gas into
Row processing, such as desulfurization process is carried out to flue gas.For entering in absorption tower for flue gas, exhanst gas outlet is used for for place gas inlet
Absorption tower is discharged in flue gas after.Liquid spray thrower is used for ejecting liquid, handles it to flue gas, for example, absorbing flue gas
In SO2, to prevent pernicious gas to be discharged into air to environmental concerns.Cooling layer is used for the liquid sprayed with liquid spray thrower
Body and smoke contacts make liquid cool down, in this way when liquid and smoke contacts with the heat for absorbing ejecting liquid by cooling layer
When, the temperature of flue gas is reduced, the cooling layer also directly absorbs the heat in flue gas, reduces the temperature of flue gas.Therefore, this reality
Reduce the vapor contained in flue gas with new embodiment.The moisture evaporation in absorption tower can be reduced in this way,
The waste of water resource is reduced, water consumption is reduced.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of a kind of flue gas processing device and chimney provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another flue gas processing device and chimney provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of cooling layer in flue gas processing device provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of the blade in flue gas processing device provided by the embodiment of the utility model in cooling layer.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
As shown in Figure 1, embodiment according to the present utility model, provides a kind of flue gas processing device, the flue gas processing device
Absorption tower 1, liquid spray thrower and an at least cooling layer 4, absorption tower 1 have gas inlet 11 and exhanst gas outlet 12, the liquid
Spray thrower is connect with absorption tower 1, described for enabling slurries to spray the flue gas for flowing through gas inlet 11 and exhanst gas outlet 12
An at least cooling layer 4 enables an at least cooling layer described in the slurry liquid contacts in liquid spray thrower, is inhaled by an at least cooling layer
The heat for receiving liquid in the liquid spray thrower, makes liquid cool down.The cooling layer also absorbs the heat of flue gas in the absorption tower 1
Amount, makes flue gas cool-down.
The absorption tower 1 of the flue gas processing device carries out desulfurization process for handling flue gas, such as to flue gas.Flue gas
For entering in absorption tower 1 for flue gas, exhanst gas outlet 12 is used for for the flue gas discharge absorption tower 1 after being in for import 11.Liquid spray
It drenches device and is used for ejecting liquid, handle it to flue gas, for example, absorbing the SO in flue gas2, to prevent pernicious gas to be discharged into sky
To environmental concerns in gas.The liquid that an at least cooling layer 4 is used to spray with the liquid spray thrower contacts, to pass through
The heat that an at least cooling layer 4 absorbs liquid makes liquid cool down, and in this way when liquid and smoke reaction, reduces flue gas
Temperature is to reduce the vapor contained in flue gas.The moisture evaporation in absorption tower 1 can be reduced in this way, reduced
The waste of water resource reduces water consumption, and eliminates " white cigarette " in flue gas.
As shown in Figure 1, the exhanst gas outlet 12 on absorption tower 1 is located at the top of gas inlet 11.
Optionally, in a kind of feasible pattern of the present embodiment, the liquid that the liquid spray thrower is sprayed, which comes from, to be located at
The slurries accommodating space 17 of the absorb the bottom of the tower.Wherein, the slurries accommodating space 17 is located at the bottom on the absorption tower 1,
Gas inlet 11 is located at the top of the slurries accommodating space 17.
Optionally, the liquid spray thrower can be at least spraying layer 8 being arranged in absorption tower 1, and be located at slurries
17 top of accommodating space, spraying layer 8 are used for sprayed slurry, make the flue gas entered by gas inlet 11 in the mistake flowed up
Desulfurization is realized in slurry liquid contacts that Cheng Zhongyu spraying layer 8 sprays out and reaction.
Optionally, in order to promote desulfurization process effect, it is provided with atomizer on spraying layer 8, for making slurry spraying
Slurries and the effect of smoke contacts desulfurization are more preferable.
It optionally, further include the setting of serum recycle pipeline 9 on absorption tower 1, and can be by the slurry in slurries accommodating space 17
Liquid is transported to spraying layer 8.
For example, in the present embodiment, the serum recycle pipeline 9 is arranged outside absorption tower 1, and the serum recycle pipeline
9 lower end is connect with the slurries accommodating space 17, and the upper end of the serum recycle pipeline 9 is connect with the spraying layer 8.It is described
Serum recycle pipeline 9 is used to provide channel for the flowing of the slurries.The serum recycle pipeline 9 is arranged on the absorption tower 1
Outside, so that the slurries by the serum recycle pipeline 9 flow during can with the environment outside the absorption tower 1 into
Row heat exchange, thus help to further decrease the temperature of slurries, so that the effect for preventing moisture from evaporating is more preferable, it can be preferably real
The effect for now eliminating " white cigarette " in discharge neat stress, reduces water consumption.
Certainly, in the present embodiment, the serum recycle pipeline 9 also can be set in absorption tower 1, and the slurries follow
The lower end in endless tube road 9 is connect with the slurries accommodating space 17, and the upper end of the serum recycle pipeline 9 and the spraying layer 8 connect
It connects.The serum recycle pipeline 9 is used to provide channel for the flowing of slurries.
Optionally, slurry circulating pump 10 can be set on the serum recycle pipeline 9, thus for slurries circulation provide it is dynamic
Power.
As shown in Fig. 2, optionally, in another feasible pattern of the present embodiment, what the liquid spray thrower was sprayed
Liquid other than from the slurries accommodating space 17 for being located at the absorb the bottom of the tower, be also from positioned at 1 inside of the absorption tower or
Water supply device outside person.
Optionally, the liquid spray thrower can be at least spraying layer 8 being arranged in absorption tower 1, and be located at described
Above slurries accommodating space 17, it can choose some spraying layers in an at least spraying layer 8 for sprayed slurry, make to pass through cigarette
The slurry liquid contacts that spray out during flowing up with spraying layer 8 of flue gas that gas import 11 enters simultaneously react, and realize desulfurization.
Can choose in an at least spraying layer 8 some spraying layers for spray from being located at 1 inside of the absorption tower or outside
The liquid that the water supply device in portion provides.
An at least spraying layer 8 can also whole sprayed slurries and from being located at the absorption tower 1 either internally or externally
Water supply device provide liquid.
The application is to the source selection of 8 ejecting liquids of an at least spraying layer without restriction, the common skill in this field
Art personnel, which can according to need, carries out selection setting.
Optionally, in order to promote desulfurization process effect, be provided with atomizer on spraying layer 8, for by liquid (slurries or
The mixing of person's slurries and other liquid) atomization, keep liquid and the effect of smoke contacts desulfurization more preferable.
Optionally, the water supply device be watering cycle device, the watering cycle device include water supply accommodating space 181 and
Water supply pump 182, the water supply pump 182 enable the water supply be provided to the liquid spray thrower from the water supply accommodating space 181.
The liquid that the water supply device as used by the present embodiment provides not directly from the slurries accommodating space 17,
Therefore its liquid that rises caused by avoiding because of impurities in slurries.
The water supply pump 182, which provides power, enables described supply water be provided to the liquid spray from the water supply accommodating space 181
Device is drenched, it is convenient to operate, and is easy to be transformed.
Optionally, the watering cycle device further includes collecting the absorption tower inner condensat liquid body and watering cycle device spray liquid
The liquid of collection is provided to the water supply accommodating space 181 by the water collector 183 of the water collector liquid of body, the water collector 183.
Therefore, the present embodiment utilizes the collection of the water collector liquid of absorption tower inner condensat liquid body and watering cycle device ejecting liquid
The liquid of hydrophone is sprayed, and the liquid that can either avoid rising can be realized water-saving again.
Optionally, referring to Fig. 3, at least one cooling layer 4 is multiplexed the gas-liquid coupler 41 in the absorption tower 1.
Therefore, the present embodiment no longer needs to install other devices for realizing ejecting liquid cooling, is directly multiplexed the absorption tower 1
In multiplexing gas-liquid coupler 41, the cost of the improvement and installation further decreased, and the effect to cool down to ejecting liquid is more
Good, operating cost is cheap and easy to maintenance.
It specifically, is realization to ejecting liquid more preferably cooling effect, the gas-liquid coupler is made of heat-conducting.
It optionally, is realization to ejecting liquid more preferably cooling effect, the gas-liquid coupler includes multiple is staggered
Conductive structure, the conductive structure enables the heat for the ejecting liquid being in contact with it conduct to the conductive structure.It is described thermally conductive
Structure enables the ejecting liquid being in contact with it be in contact with it the longer time, and contact area increases, to realize better spray
Liquid cooling effect.
Conductive structure may include the blade 411 of gas-liquid coupler 41, which is arc shaped blade, compared to surface
For the blade of plane, surface area is bigger, after ejecting liquid is fallen on blade 411, blade 411 superficial residence time more
Long, so that its heat-exchange time is more abundant, cooling effect is more preferable.Certainly, in other embodiments, which is not limited to
Arc shaped blade shown in Fig. 4, can be with corrugated blade etc..
Optionally, in order to realize better ejecting liquid cooling effect, the cooling layer is enabled to keep lower temperature, it is described
Cooling layer is connect with cold source.
It should be understood that former flue gas refers to the flue gas without desulfurization process.Neat stress refers to by desulfurization, demisting, removes
The flue gas of the processing such as dirt.
Optionally, it is connected with flue gas outlet pipe 14 on the exhanst gas outlet 12 on absorption tower 1, is provided in flue gas outlet pipe 14 for adding
The neat stress reheating portion of hot neat stress.Neat stress reheating portion increases its temperature, with more square for heating to neat stress
Just it is discharged from chimney 15.
Optionally, in order to guarantee discharge flue gas cleanliness, avoid pollution environment, flue gas processing device further includes dedusting
Demister (not shown), dedusting demister are arranged in absorption tower 1, and are located at 12 lower section of exhanst gas outlet.Dedusting demister
For being dusted demisting processing to flue gas, so that the dust particles, droplet etc. in flue gas are separated with flue gas, guarantee that discharge is full
The neat stress required enough.
In the present embodiment, dedusting demister includes anode tube, cathode line.Wherein, anode tube has and passes through for flue gas
Exhaust gases passes are provided with the cooling medium channel for cooling media flow in the tube wall of anode tube, cold in cooling medium channel
But the flue gas heat exchange in medium and anode tube.Cathode line is arranged in anode tube.Cathode line can connect with the cathode of high voltage power supply
It connects, electric field is capable of forming in this way between cathode line and anode tube, it is charged to make dust particle, drop in flue gas etc., and in Lip river
It moves under the action of Lun Zili to anode tube, is finally captured by anode tube, form liquid film in anode tube, liquid film can be further
Dust and drop are captured, realizes the dedusting demisting to flue gas.
Due to being provided with the cooling medium channel for cooling media flow in anode tube, so that cooling medium can at work
To be conducive to make the vapor in flue gas to analyse in this way so that the temperature of flue gas further decreases with the flue gas heat exchange in anode tube
Out, it and is attached on the tube wall of anode tube, finally falls and returned in slurries accommodating space under the effect of gravity, so as to avoid
Water consumption.
Further, since cooling medium channel is provided in the tube wall of anode tube, so that the position of the tube wall close to anode tube
The flue-gas temperature at place is low compared to the temperature of the flue gas at the center of anode tube, and gas pressure intensity is caused to reduce, and holds that flue gas more
It is easily mobile to tube wall, so that it is mobile to tube wall to be also easier to dust, drop etc..
Optionally, dedusting demister further includes swirl vane, and swirl vane is arranged in anode tube, and generates flue gas
Rotational flow.Swirl vane can make flue gas by when generate rotational flow, to form centrifugal force, make dust, drop etc.
It is more easily separated with flue gas, it is ensured that dedusting defogging effect.
The flue gas processing device is applied in wet desulphurization, and the water-saving of wet desulphurization may be implemented, and is reduced net after desulfurization
Moisture content in flue gas eliminates white cigarette.It solves in existing process of wet desulphurization, flue gas removes sulfur by a large amount of slurry wash
When, evaporate large quantity of moisture, make export neat stress in moisture vapor it is in a saturated state, cause the problem that water consumption is big.
Through it is deep the study found that in process of wet desulphurization spray desulfurization water evaporation quantity, depend on flue gas vapor
The balance of partial pressure steam-laden temperature corresponding with its of acquisition.With the decline of temperature, the amount of the vapor in flue gas with
Reduction, therefore to reduce the water vapour content in neat stress, it is necessary to reduce the temperature of the neat stress of the exhanst gas outlet 12 on absorption tower 1
Degree, balances it under lower partial pressure.For this purpose, flue gas processing device is obtained in ejecting liquid using the cooling layer 4
Heat, reduce ejecting liquid temperature, make the heat for absorbing flue gas during ejecting liquid and smoke contacts, to make absorption tower
Neat stress temperature at 1 exhanst gas outlet 12 reduces, and can be inherently eliminated white cigarette in this way.
Another aspect according to the present utility model provides a kind of wet desulfurization system comprising above-mentioned fume treatment dress
It sets.
The flue gas processing device of the wet desulfurization system can cool down to slurries, make it during with smoke reaction
Flue gas heat is absorbed, makes flue gas cool-down and prevents moisture from evaporating, to reduce water consumption.Further, since the flue gas on absorption tower 1 goes out
Aqueous reduction in the neat stress of mouth 12, greatly reduces the evaporation of flue gas moisture when cooling in absorption tower 1, or even can be real
Now not evaporation water, or can be from flue gas by the hydrogenesis of evaporation, to make entire process of wet desulphurization water consumption substantially
Decline, in this embodiment it is not even necessary to which external complement water reaches really water-saving.And the characteristics of being conducted heat using heat pump unit, it makes full use of
The temperature lower heat of slurries and neat stress generally in 50 DEG C or so of absorption tower 1, thus realize to heat grade compared with
The utilization of low heat, takes full advantage of the energy.
The apparatus embodiments described above are merely exemplary, wherein unit can be as illustrated by the separation member
Or may not be and be physically separated, some or all of the modules therein can be selected to realize according to the actual needs
The purpose of this embodiment scheme.Those of ordinary skill in the art are without paying creative labor, it can understand
And implement.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of flue gas processing device, comprising: there is the absorption tower of gas inlet and exhanst gas outlet and connect with the absorption tower
The liquid spray thrower connect, the liquid spray thrower using flue gas of the liquid convection through the gas inlet and the exhanst gas outlet into
Row spray, which is characterized in that the flue gas processing device further include: an at least cooling layer enables the liquid spray thrower spray
Liquid absorbs in the liquid spray thrower ejecting liquid and flue gas by an at least cooling layer, an at least cooling layer
Heat, make the liquid and flue gas cool-down.
2. flue gas processing device according to claim 1, which is characterized in that the liquid that the liquid spray thrower is sprayed comes
From the slurries accommodating space for being located at the absorb the bottom of the tower.
3. flue gas processing device according to claim 2, which is characterized in that the liquid that the liquid spray thrower is sprayed is also
From positioned at the water supply device of the absorption tower either internally or externally.
4. flue gas processing device according to claim 3, which is characterized in that the water supply device is watering cycle device, institute
Stating watering cycle device includes water supply accommodating space and water supply pump, and the water supply pump is enabled supplying water and be provided from the water supply accommodating space
To the liquid spray thrower.
5. flue gas processing device according to claim 4, which is characterized in that the watering cycle device further includes collecting institute
The water collector of absorption tower inner condensat liquid body and watering cycle device ejecting liquid is stated, the liquid of collection is provided to institute by the water collector
State water supply accommodating space.
6. flue gas processing device according to claim 1, which is characterized in that at least one cooling layer is multiplexed the absorption
Gas-liquid coupler in tower.
7. flue gas processing device according to claim 6, which is characterized in that the gas-liquid coupler uses heat-conducting system
At.
8. flue gas processing device according to claim 6 or 7, which is characterized in that the gas-liquid coupler includes multiple friendships
The heat exchange structure of mistake setting, the heat exchange structure enable the heat of the ejecting liquid and flue gas that are in contact with it conduct to the heat exchange and tie
Structure.
9. flue gas processing device according to claim 1, which is characterized in that the cooling layer is connect with cold source.
10. a kind of wet desulfurization system, which is characterized in that including flue gas processing device of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820946843.4U CN208786154U (en) | 2018-06-19 | 2018-06-19 | Flue gas processing device and wet desulfurization system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820946843.4U CN208786154U (en) | 2018-06-19 | 2018-06-19 | Flue gas processing device and wet desulfurization system |
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| CN208786154U true CN208786154U (en) | 2019-04-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671737A (en) * | 2018-06-19 | 2018-10-19 | 北京中能诺泰节能环保技术有限责任公司 | Flue gas processing device and wet desulfurization system |
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2018
- 2018-06-19 CN CN201820946843.4U patent/CN208786154U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108671737A (en) * | 2018-06-19 | 2018-10-19 | 北京中能诺泰节能环保技术有限责任公司 | Flue gas processing device and wet desulfurization system |
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