CN206262347U - A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means - Google Patents
A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means Download PDFInfo
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- CN206262347U CN206262347U CN201620998279.1U CN201620998279U CN206262347U CN 206262347 U CN206262347 U CN 206262347U CN 201620998279 U CN201620998279 U CN 201620998279U CN 206262347 U CN206262347 U CN 206262347U
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Abstract
The utility model discloses a kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, including tower body, air outlet is provided with above the tower body, the bottom of tower body is provided with air inlet, cavum laryngis is provided between the air inlet and tower body, the tower body is provided with the self-loopa adjusting means for flue gas air quantity in adjusting tower body.The circulated air that the self-loopa adjusting means includes on the air outlet takes airduct, the circulated air ajutage on the air inlet, connect the circulated air takes the circulating line of airduct and circulated air ajutage, the circulating fan on the circulating line and the air quantity control system for controlling self-loopa adjusting means interior circulation air quantity being connected with the circulating fan.The semi-dry desulphurization tower high treating effect, treatment effeciency are high, stable equipment operation.
Description
Technical field
The utility model belongs to atmosphere pollution processing equipment technical field, more particularly to one kind is provided with flue gas self-loopa tune
The semi-dry desulphurization tower of regulating device.
Background technology
It is well known that sulfur dioxide (SO2) not only contaminated air, human health and animals and plants existence are directly endangered, and
It is the main matter to form acid rain.It is permanent very harmful that acid rain is caused to earth living environment, even more causes countries in the world high
Degree concern.Fossil energy burning is Sulfur Dioxide In The Atmosphere (SO2) main source.Flue gas desulfurization technique is that the mankind eliminate dioxy
Change sulphur (SO2) pollution one of Main Means.
Flue gas desulfurization technique is according to desulfurizing agent (being called desulfurization absorbent) and desulfurization product (being called desulfuration byproduct) de-
Dry and wet state during sulphur is divided, and mainly has three kinds of wet method, semidry method and dry method.
Wherein wet desulphurization has the advantages that desulphurization reaction speed is fast, equipment is simple, desulfuration efficiency is high, using the widest
It is general.But generally existing seriously corroded, easy fouling and clogging, operation and maintenance cost are high and easily cause secondary pollution problems.People one
Directly wish to find the wet desulphurization efficiency that can match in excellence or beauty, and overcome the substitute technology of these critical defects of wet desulphurization.It is half-dried
Method fall Wen dust humidification suspension desulfurizing tower (abbreviation semi-dry desulphurization tower, similarly hereinafter) arise at the historic moment.
Existing semi-dry desulphurization tower, the flue gas air quantity of its equipment, flue gas flow rate, flue-gas temperature, smoke moisture, flue gas institute
Containing the unordered change on a large scale of the physical and chemical parameters such as various pollutants.Especially during peak impact, processing equipment is difficult to fit
Should, the relative deficiency such as process time, space.And expanding processing equipment capacity can cause that investment is high, floor space is big, run into
This drawback such as heavy.
Utility model content
Technical problem to be solved in the utility model is to overcome the shortcomings of to be mentioned and defect in background above technology, is carried
It is provided with that flue gas self-loopa adjusting means, high treating effect, treatment effeciency be high, stable equipment operation semi-dry desulphurization for a kind of
Tower.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, including tower body, are provided with above the tower body
Air outlet, the bottom of tower body is provided with air inlet, and the tower body is provided with the self-loopa regulation for flue gas air quantity in adjusting tower body
Device.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that the self-loopa adjusting means
Airduct, the circulated air ajutage on the air inlet are taken including the circulated air on the air outlet, followed described in connection
Ring wind take the circulating line of airduct and circulated air ajutage, the circulating fan on the circulating line and with the circulation
The air quantity control system for controlling self-loopa adjusting means interior circulation air quantity of blower fan connection.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that the air inlet and tower body it
Between be provided with cavum laryngis, the air quantity control system includes controller and the intake monitor on the cavum laryngis, it is described enter
Air quantity monitor is connected with controller, and intake monitor obtains intake monitoring signals and is sent to intake monitoring signals
Controller, the controller is connected with circulating fan, and controls air circulation according to the intake monitoring signals.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that the rear portion of the tower body is provided with
One sack cleaner.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that one is connected on the cavum laryngis and is taken off
Sulphur agent feeding device, the desulfurization agent feeding device includes the desulfurizing agent storage tank being connected with cavum laryngis and located at the desulfurizing agent storage tank
The blower fan that dusts on the pipeline being connected with cavum laryngis.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that the bottom of the tower body is provided with
Humidification spray gun.
The above-mentioned semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, it is preferred that the bottom of the tower body is provided with
Desulfurizing agent recovery port.
Compared with prior art, the utility model has the advantage of：
(1) by setting self-loopa adjusting means on tower body, the flue gas air quantity in double dry desulfurizing tower is adjusted,
The risk of the instantaneous discharge beyond standards of pollutant caused by peak impact is substantially eliminating, and peak impact is caused to processing equipment
Harm, dissolved the fluctuation of various parameters variable quantity it is excessive caused by the problem that declines of pollutant process efficiency, substantially increase
Adaptability of the processing equipment to various fluctuation of operating conditions.
(2) can be monitored on-line flue gas air quantity in double dry desulfurizing tower by air quantity control system, and according to monitoring
Signal is controlled to the air circulation in self-loopa adjusting means, realizes the automatic of flue gas air quantity in double dry desulfurizing tower
Regulation.
(3) sack cleaner is set by semi-dry desulphurization tower rear portion, through the cigarette after semi-dry desulphurization tower desulfurization process
Gas can collect reuse and not yet react complete desulfurizing agent, and can utilize attached again by the further dust removal process of sack cleaner
The muffin desulfurization again in sack cleaner on filter bag, i.e., typical NID desulfurization effectively increases the semi-dry desulphurization
The desulfurized effect of tower, can reach the classical wet desulphurization effect that matches in excellence or beauty, and operation and maintenance cost is than classics wet desulphurization reduction by 1/
3。
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are these
Some embodiments of utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also
Other accompanying drawings can be obtained according to these accompanying drawings.
Fig. 1 is provided with the structural representation of the semi-dry desulphurization tower of flue gas self-loopa adjusting means for the utility model.
Marginal data：
1st, tower body；2nd, air outlet；3rd, air inlet；4th, cavum laryngis；5th, circulated air takes airduct；6th, circulated air ajutage；7th, circulate
Pipeline；8th, circulating fan；9th, controller；10th, intake monitor；11st, sack cleaner；12nd, desulfurizing agent storage tank；13rd, dust
Blower fan；14th, be humidified spray gun；15th, desulfurizing agent recovery port.
Specific embodiment
For the ease of understanding the utility model, below in conjunction with Figure of description and preferred embodiment to the utility model
Work more comprehensively, is meticulously described, but protection domain of the present utility model is not limited to embodiment in detail below.
It should be strongly noted that when a certain element is described as on " be connected to or be communicated in " another element, it can
Being to be directly connected to or connect on another element, or be indirectly connected with or connect another by other intermediate connectors
On element.
Unless otherwise defined, the implication that all technical terms used hereinafter are generally understood that with those skilled in the art
It is identical.Technical term used herein is intended merely to describe the purpose of specific embodiment, is not intended to limit this practicality
New protection domain.
Embodiment
As shown in figure 1, the utility model is provided with a kind of embodiment of the semi-dry desulphurization tower of flue gas self-loopa adjusting means,
Including tower body 1, the top of the tower body 1 is provided with air outlet 2, and the bottom of tower body 1 is provided with air inlet 3, between air inlet 3 and tower body 1
Cavum laryngis 4 is provided with, tower body 1 is provided with the self-loopa adjusting means for adjusting flue gas air quantity in tower body 1.The self-loopa adjusting means
Airduct 5 and the circulated air ajutage 6 on air inlet 3 are taken including the circulated air on air outlet 2, the circulated air takes airduct
5 are connected with circulated air ajutage 6 by circulating line 7, and circulating line 7 is provided with circulating fan 8, and the self-loopa adjusting means is also
Including the air quantity control system for controlling self-loopa adjusting means interior circulation air quantity.The air quantity control system includes controller 9
With the intake monitor 10 on cavum laryngis 4.The intake monitor 10 is connected with controller 9, for obtaining in desulfurizing tower
Intake monitoring signals, and the intake monitoring signals are sent to controller 9.The controller 9 is connected with circulating fan 8, root
Air circulation is controlled according to the intake monitoring signals for receiving, and then realizes the regulation to flue gas air quantity in desulfurizing tower.The circulated air
Amount is set as the specified treatment air quantity of 0%~100% equipment, and continuously adjustabe, no matter flow through the parameters such as the flue gas air quantity of desulfurizing tower
How to fluctuate, can be section superposition wind speed average value control at cavum laryngis 4 between the desulfurization Optimal Parameters of 6~8m/s, with steady
Determine the working condition of desulfurizing tower, while extending the pollutant process time, desulfuration efficiency can be stablized in required model all the time
In enclosing, sulfur dioxide (SO2) emissions are exceeded caused by can effectively preventing various factors.Dress is adjusted by setting self-loopa on tower body 1
Put, the flue gas air quantity in desulfurizing tower is adjusted, substantially eliminating the instantaneous discharge beyond standards of pollutant caused by peak impact
Risk, and the harm that peak impact is caused to desulfurizing tower, dissolved the fluctuation of various parameters variable quantity it is excessive caused by pollution
The problem that thing treatment effeciency declines, substantially increases adaptability of the desulfurizing tower to various fluctuation of operating conditions.
In the present embodiment, the rear portion of tower body 1 is provided with a sack cleaner 11.At the rear portion of tower body 1, sack cleaner is set
11, further processed by the sack cleaner 11 again through the flue gas after semi-dry desulphurization tower desulfurization process, reuse can be collected
Complete desulfurizing agent is not yet reacted, and the muffin desulfurization again being attached on the filter bag in sack cleaner 11 can be utilized, i.e.,
Typical NID desulfurization, effectively increases the desulfurized effect of the semi-dry desulphurization tower, can reach the classical wet desulphurization effect that matches in excellence or beauty,
And operating cost is than classics wet desulphurization reduction by 1/3.
In the present embodiment, a desulfurization agent feeding device is connected on cavum laryngis 4, the desulfurization agent feeding device includes and cavum laryngis 4
The desulfurizing agent storage tank 12 connected by pipeline and the blower fan that dusts on the pipeline that the desulfurizing agent storage tank 12 is connected with cavum laryngis 4
13.After flue gas is from air inlet 3 into cavum laryngis 4 and from the desulphurizer mixing of the penetrating of blower fan 13 of dusting, desulfurization process are carried out to flue gas.
In the present embodiment, one group of humidification spray gun 14 is provided with the bottom of tower body 1.Flue gas is in the cavum laryngis 4 and desulphurizer mixing
It is humidified through the spray gun 14 that is humidified again afterwards, flue gas desulfurization effect can be improved.Desulfurizing agent recovery port 15 is provided with the bottom of tower body 1.
The lower section of cavum laryngis 4 is fallen into the desulfurizing agent that flue gas is carried out after desulfurization post processing, is collected through desulfurizing agent recovery port 15 and discharged, after treatment
Can be reused, be saved sorbent consumption, be reduced processing cost.
The operation principle of the semi-dry desulphurization tower is：Raw flue gas enter from desulfurizing tower bottom air inlet mouthful 3, up to larynx
At chamber 4, the desulfurizing agent (slaked lime powder in desulfurizing agent storage tank 12：Ca(OH)2) in the presence of the blower fan 13 (roots blower) that dusts
Sprayed into tower from cavum laryngis 4, and risen with raw flue gas, the rising passway by relative narrowness at cavum laryngis 4 accelerates to flue gas,
The desulfurizing agent powder being sparged into sufficiently and uniformly can be suspended in flue gas, into the middle part of desulfurizing tower and the desulfurization reaction zone on top
Rapid mass transfer, heat transfer are carried out, desulphurization reaction process is completed.Meanwhile, using the humidification spray gun 14 located at the bottom of tower body 1 to flue gas
Mixture with desulfurizing agent powder is humidified, to reduce the utilization rate of calcium sulfur ratio, reinforcing desulfuration efficiency and desulfurizing agent；At desulfurization
Flue gas after reason further carries out dust removal process, through the side of sack cleaner 11 1 from the feeding sack cleaner 11 of the top of tower body 1
Face can be collected reuse to not yet reacting complete desulfurizing agent, on the other hand can ensure that dust reaches discharge standard；Located at tower
Self-loopa adjusting means on body 1 can be adjusted to flue gas air quantity in tower, and the intake monitor 10 at cavum laryngis 4 is online
Monitoring enters the flue gas air quantity of cavum laryngis 4, and intake monitoring signals are sent into controller 9, and controller 9 is monitored according to intake
The rotating speed of signal control circulating fan 8 is adjusted to air circulation, and then realizes the control to flue gas air quantity in tower body 1, makes
The flue gas air quantity that must be flowed through in tower body 1 is maintained in setting range, eliminates the instantaneous discharge beyond standards of pollutant caused by peak impact
Risk, and the harm that peak impact is caused to desulfurizing tower, pollutant process effect caused by neutralizing flue gas air quantity fluctuation is excessive
The problem that rate declines, improves adaptability of the desulfurizing tower to various fluctuation of operating conditions.Below with design air flow as 120000m3/ h (adaptations
35T/h circulating fluid-beds coal-burning boiler) semi-dry desulphurization tower as a example by carry out comparative illustration.It is provided with certainly using of the present utility model
The semi-dry desulphurization tower for circulating adjusting means compares such as table 1 with the semi-dry desulphurization tower treatment effect without self-loopa adjusting means
It is shown.
The semi-dry desulphurization tower of the present embodiment of table 1 and the semi-dry desulphurization tower operational factor day without self-loopa adjusting means
The table of comparisons
From table 1, it is of the present utility model be provided with the semi-dry desulphurization tower cavum laryngis 4 of flue gas self-loopa adjusting means cut
Surface current amount is in more stable scope all the time, is not in fluctuation by a relatively large margin, desulfurizing tower stable working；In the prior art
The semi-dry desulphurization tower cavum laryngis 4 without flue gas self-loopa adjusting means at section flow with enter desulfurizing tower flue gas flow
Change and larger fluctuation occurs, the unstable working condition of desulfurizing tower.Additionally, the SO of contrast desulfurizing tower entrance and exit2Content
Understand, the desulfurized effect of desulfurizing tower of the present utility model is apparently higher than the existing semidry method without flue gas self-loopa adjusting means
Desulfurizing tower.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (7)
1. a kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means, including tower body (1), the top of the tower body (1)
Air outlet (2) is provided with, the bottom of tower body (1) is provided with air inlet (3), it is characterised in that：The tower body (1) is provided with for adjusting
The self-loopa adjusting means of tower body (1) interior flue gas air quantity.
2. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to claim 1, it is characterised in that：It is described
Self-loopa adjusting means include the circulated air on the air outlet (2) take airduct (5), on the air inlet (3)
Circulated air ajutage (6), connect the circulated air take the circulating line (7) of airduct (5) and circulated air ajutage (6), located at institute
State the circulating fan (8) on circulating line (7) and be connected with the circulating fan (8) for controlling self-loopa adjusting means
The air quantity control system of interior circulation air quantity.
3. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to claim 2, it is characterised in that：It is described
Cavum laryngis (4) is provided between air inlet (3) and tower body (1), the air quantity control system includes controller (9) and located at the larynx
Intake monitor (10) on chamber (4), the intake monitor (10) is connected with controller (9), intake monitor
(10) intake monitoring signals are obtained and intake monitoring signals is sent to controller (9), the controller (9) and circulated air
Machine (8) is connected, and controls air circulation according to the intake monitoring signals.
4. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to claim 1, it is characterised in that：It is described
The rear portion of tower body (1) is provided with a sack cleaner (11).
5. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to claim 3, it is characterised in that：It is described
A desulfurization agent feeding device is connected on cavum laryngis (4), the desulfurization agent feeding device includes the desulfurizing agent storage tank being connected with cavum laryngis (4)
(12) blower fan that dusts (13) and on the pipeline that the desulfurizing agent storage tank (12) is connected with cavum laryngis (4).
6. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to claim 1, it is characterised in that：It is described
The bottom of tower body (1) is provided with humidification spray gun (14).
7. the semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means according to any one of claim 1~6, it is special
Levy and be：The bottom of the tower body (1) is provided with desulfurizing agent recovery port (15).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998279.1U CN206262347U (en) | 2016-08-30 | 2016-08-30 | A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620998279.1U CN206262347U (en) | 2016-08-30 | 2016-08-30 | A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means |
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| CN206262347U true CN206262347U (en) | 2017-06-20 |
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| CN201620998279.1U Active CN206262347U (en) | 2016-08-30 | 2016-08-30 | A kind of semi-dry desulphurization tower for being provided with flue gas self-loopa adjusting means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215676A (en) * | 2016-08-30 | 2016-12-14 | 湖南循安环境资源技术有限公司 | A kind of semi-dry desulphurization tower being provided with flue gas self-loopa adjusting means |
-
2016
- 2016-08-30 CN CN201620998279.1U patent/CN206262347U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106215676A (en) * | 2016-08-30 | 2016-12-14 | 湖南循安环境资源技术有限公司 | A kind of semi-dry desulphurization tower being provided with flue gas self-loopa adjusting means |
| CN106215676B (en) * | 2016-08-30 | 2019-01-29 | 湖南循安环境资源技术有限公司 | A kind of semi-dry desulphurization tower equipped with flue gas self-loopa regulating device |
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