CN110354664A - A kind of thermal power plant flue gas emission is administered with taking off white purification device - Google Patents
A kind of thermal power plant flue gas emission is administered with taking off white purification device Download PDFInfo
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- CN110354664A CN110354664A CN201910518605.2A CN201910518605A CN110354664A CN 110354664 A CN110354664 A CN 110354664A CN 201910518605 A CN201910518605 A CN 201910518605A CN 110354664 A CN110354664 A CN 110354664A
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- absorption tower
- smoke outlet
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- flue gas
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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Abstract
The invention discloses a kind of thermal power plant flue gas emissions to administer with taking off white purification device, including blending tank, water inlet, mouth is added in lime, smoke pipe, blower, wet cottrell, chimney and plus slurry pipe, the top of the blending tank is respectively arranged with water inlet and mouth is added in lime, and the bottom of blending tank pumps with the first absorption tower top plus slurry pipe by slurries addition and is connected, and the lower part side on the first absorption tower is connected by blower with smoke pipe, the top on the first absorption tower is connected by blower with the bottom of second absorption tower simultaneously, the first paddle and the second paddle are provided in the rotating bar, and first is provided with dispersion mouth on paddle, and rotating bar is connect with decentralized network bearing, first absorption tower and the lower part of second absorption tower pass through sewage draining exit and are connected with sewage pipe.The thermal power plant flue gas emission is administered with white purification device is taken off, and the desulfurization effect of exhaust gas can be improved, avoid in exhaust gas the generation of " white haze ".
Description
Technical field
The present invention relates to thermal power plant correlative technology field, specially a kind of thermal power plant flue gas emission is administered with de-
White purification device.
Background technique
It is generated electricity using thermal power plant, is a kind of form of electric energy power generation, mainly the fuel such as coal burn
Power generation, is embodied as factory and resident provides electric energy, brings great convenience to people's lives, but thermal power plant is generating electricity
During, a kind of " white cigarette " can be discharged and be mainly made of sulfide wherein being contaminated with a large amount of pollutant, live to people
Environment bring great pollution, the enhancing with people to environmental protection consciousness starts to be transformed thermal power plant
And small-scale power generation factory is banned, existing thermal power plant in exhaust gas mainly using lime stone-gypsum wet to useless
Gas carries out desulfurization, but is primarily present following problem:
1, when carrying out desulfurization to exhaust gas, the mixability of exhaust gas and desulfurization slurry is poor, and portion is caused not starch with desulfurization
When liquid contacts, just it has been discharged, has caused the desulfurization effect to exhaust gas poor；
2, it after exhaust gas enters absorption tower, since dust can have been retained in exhaust gas, easily causes and absorption tower top spray mouth is blocked up
Plug, the lasting ejection of desulfurization slurry influence the desulfurization effect to exhaust gas.
Summary of the invention
The purpose of the present invention is to provide a kind of thermal power plant flue gas emissions to administer with taking off white purification device, in solution
The thermal power plant flue gas emission currently on the market for stating background technique proposition is administered with white purification device is taken off, and is carried out to exhaust gas
When desulfurization, the mixability of exhaust gas and desulfurization slurry is poor, causes portion when not contacting with desulfurization slurry, has just been discharged,
Cause the desulfurization effect to exhaust gas poor, after exhaust gas enters absorption tower, since dust can have been retained in exhaust gas, easily causes to absorption
The blocking of top of tower spray port, the lasting ejection of desulfurization slurry, the problem of influence to exhuast gas desulfurization effect.
To achieve the above object, the invention provides the following technical scheme: a kind of thermal power plant flue gas emission is administered with de-
White purification device, including blending tank, water inlet, lime are added mouth, smoke pipe, blower, wet cottrell, chimney and add slurry
Pipe, the top of the blending tank is respectively arranged with water inlet and mouth is added in lime, and the bottom of blending tank is added by slurries and is pumped
With the first absorption tower top plus slurry pipe be connected, and the lower part side on the first absorption tower is connected by blower with smoke pipe,
The top on the first absorption tower is connected by blower with the bottom of second absorption tower simultaneously, is passed through at the top of the second absorption tower
Blower is connected with wet cottrell, and the bottom end of second absorption tower and wet cottrell is added by slurries and is pumped
It is connected with the second filtering ponds, and is provided with drainpipe on the first filtering ponds and the second filtering ponds, while wet electrostatic removes
Dirt device is connected by blower with chimney, and the inside of first absorption tower and second absorption tower is provided with shower tray, and
One absorption tower and the lower end of second absorption tower are provided with motor, and motor is connected with rotating bar, set in the rotating bar
It is equipped with the first paddle and the second paddle, and is provided with dispersion mouth on the first paddle, and rotating bar and decentralized network bearing
The lower part of connection, first absorption tower and second absorption tower passes through sewage draining exit and is connected with sewage pipe.
Preferably, first absorption tower is identical with the structure of second absorption tower, and the first absorption tower and second absorption tower
Inner wall lower be welded with decentralized network.
Preferably, the front side of the sewage draining exit inner wall is convex structure, and the bottom of sewage draining exit and the first absorption tower
Bottom flush.
Preferably, described plus slurry pipe is identical as the inside of shower tray, and shower tray and the first absorption tower and second absorption tower
It is to be bolted.
Preferably, the shower tray includes spray port, the first branching block, the second branching block, the first smoke outlet, the second smoke evacuation
Mouth, link block and supporting block, and spray port is located at the lower end surface of shower tray, the first branching block and the second branching block pass through support
Block is respectively welded at the lower section of the first smoke outlet and the second smoke outlet, and the inside of the first smoke outlet and the second smoke outlet is welded with
Link block.
Preferably, the shape and structure of first smoke outlet and the second smoke outlet is convex structure, and first discharges fume
Mouth and the second smoke outlet run through shower tray, and the upper surface of shower tray is not contacted with the first absorption tower inner tip, simultaneously
Link block is equal in number away from being provided with 4 inside first smoke outlet and the second smoke outlet, first branching block and second point
The width of stream block is respectively greater than the width of the first smoke outlet and the second smoke outlet, and the lower end of the first branching block and the second branching block
Face tapered end face.
Preferably, the decentralized network uniformly divides between the first paddle and the second paddle, and on the first paddle
It is furnished with dispersion mouth.
Preferably, the mounting structure of the sewage pipe is inclination installation, and the height of sewage pipe outer end is lower than itself and blowdown
The height of mouth contact jaw.
Compared with prior art, the beneficial effects of the present invention are: the thermal power plant flue gas emission is administered with taking off fair and clearization
Device；
1, the inner tip on the first absorption tower and second absorption tower is provided with shower tray, and spray is provided with below shower tray
Mouth is drenched, desulfurization slurry can be injected in tower, and then desulphurization reaction is carried out to exhaust gas, and offer the first smoke evacuation in shower tray
Mouth and the second smoke outlet, the exhaust gas after can making reaction is discharged by the first smoke outlet and the second smoke outlet, and is discharged fume first
Mouthful and the second smoke outlet be respectively arranged below the first branching block and the second branching block, the first branching block and the second branching block
Lower end surface is inclined surface, can be shunted to the exhaust gas passed through, is distinguished in exhaust gas by the first branching block and the second branching block
When being flowed out by the first smoke outlet and the second smoke outlet, the slurry liquid contacts for spraying exhaust gas further with spray port improve desulfurization
Effect；
2, it is provided with decentralized network in the lower part on the first absorption tower and second absorption tower, the sundries in exhaust gas can be filtered,
Dust is avoided to influence the spraying effect of spray port to the blocking of spray port；
3, desulfurization is carried out by using the double tower Dual alkali of the first absorption tower and second absorption tower, the desulfurization effect of exhaust gas can be improved
Fruit is that the dedusting of subsequent wet cottrell improves dust removing effects, avoids in exhaust gas the generation of " white haze ".
Detailed description of the invention
Fig. 1 is that a kind of thermal power plant flue gas emission of the present invention is administered with the production procedure schematic diagram for taking off white purification device；
Fig. 2 is that a kind of thermal power plant flue gas emission improvement of the present invention is shown with the first absorption tower internal structure for taking off white purification device
It is intended to；
Fig. 3 is administered for a kind of thermal power plant flue gas emission of the present invention and is looked up structural representation with the shower tray for taking off white purification device
Figure；
Fig. 4 is that a kind of thermal power plant flue gas emission of the present invention is administered with enlarged structure schematic diagram in the Fig. 2 for taking off white purification device；
Fig. 5 is that a kind of thermal power plant flue gas emission improvement of the present invention is shown with the first branching block plan structure for taking off white purification device
It is intended to；
Fig. 6 is that a kind of thermal power plant flue gas emission of the present invention is administered with the sewage draining exit structural schematic diagram for taking off white purification device；
Fig. 7 is that a kind of thermal power plant flue gas emission improvement of the present invention is shown with the second paddle plan structure for taking off white purification device
It is intended to.
In figure: 1, blending tank；2, water inlet；3, mouth is added in lime；4, the first absorption tower；5, second absorption tower；6, slurries
Pump is added；7, smoke pipe；8, blower；9, sewage draining exit；10, the first filtering ponds；11, the second filtering ponds；12, wet cottrell；
13, drainpipe；14, chimney；15, plus slurry is managed；16, shower tray；1601, spray port；1602, the first branching block；1603, second point
Flow block；1604, the first smoke outlet；1605, the second smoke outlet；1606, link block；1607, supporting block；17, motor；18, it rotates
Bar；19, the first paddle；20, disperse mouth；21, decentralized network；22, the second paddle；23, sewage pipe.
Specific embodiment
Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig. 1-7, the present invention provides a kind of technical solution: a kind of thermal power plant flue gas emission improvement is fair and clear with taking off
Makeup is set, including mouth 3, the first absorption tower 4, second absorption tower 5, slurries addition pump 6, cigarette are added in blending tank 1, water inlet 2, lime
Pipe 7, blower 8, sewage draining exit 9, the first filtering ponds 10, the second filtering ponds 11, wet cottrell 12, drainpipe 13, chimney 14,
Add slurry pipe 15, shower tray 16, spray port 1601, the first branching block 1602, the second branching block 1603, the first smoke outlet 1604, the
Two smoke outlets 1605, link block 1606, supporting block 1607, motor 17, rotating bar 18, the first paddle 19, dispersion mouth 20, dispersion
Net 21, the second paddle 22 and sewage pipe 23, the top of blending tank 1 is respectively arranged with water inlet 2 and mouth 3 is added in lime, and mixed
It closes the bottom of tank 1 and is added adding for pump 6 and 4 top of the first absorption tower by slurries and starch pipe 15 and be connected, and first absorption tower 4
Lower part side is connected by blower 8 with smoke pipe 7, while the top on the first absorption tower 4 passes through blower 8 and second absorption tower 5
Bottom is connected, and the top of second absorption tower 5 is connected by blower 8 with wet cottrell 12, and 5 He of second absorption tower
The bottom end of wet cottrell 12 is added pump 6 by slurries and is connected with the second filtering ponds 11, and the first filtering ponds 10
Be provided with drainpipe 13 on the second filtering ponds 11, while wet cottrell 12 is connected by blower 8 with chimney 14,
First absorption tower 4 and the inside of second absorption tower 5 are provided with shower tray 16, and under the first absorption tower 4 and second absorption tower 5
End is provided with motor 17, and motor 17 is connected with rotating bar 18, and the first paddle 19 and the are provided in rotating bar 18
Two paddles 22, and dispersion mouth 20 is provided on the first paddle 19, and rotating bar 18 is connect with 21 bearing of decentralized network, first
Absorption tower 4 and the lower part of second absorption tower 5 pass through sewage draining exit 9 and are connected with sewage pipe 23.
First absorption tower 4 of this example is identical with the structure of second absorption tower 5, and the first absorption tower 4 and second absorption tower 5
Inner wall lower is welded with decentralized network 21, and setting in this way is played and given up to being added to the first absorption tower 4 and 5 inside of second absorption tower
The effect that gas is dispersed is conducive to coming into full contact with for exhaust gas and sweetening liq, must can avoid the impurity in exhaust gas to shower tray
16 result in blockage.
The front side of 9 inner wall of sewage draining exit is convex structure, and the bottom of sewage draining exit 9 is equal with the bottom on the first absorption tower 4
Together, the slurries discharge to 4 bottom of the first absorption tower is played the role of in setting in this way, is conducive to the discharge processing to slurries.
Add slurry pipe 15 identical as the inside of shower tray 16, and shower tray 16 is with the first absorption tower 4 and second absorption tower 5
It is bolted, setting in this way plays the role of that shower tray 16 is fixed, and is conducive to the installation and removal to shower tray 16.
Shower tray 16 include spray port 1601, the first branching block 1602, the second branching block 1603, the first smoke outlet 1604,
Second smoke outlet 1605, link block 1606 and supporting block 1607, and spray port 1601 is located at the lower end surface of shower tray 16, first point
Stream block 1602 and the second branching block 1603 are respectively welded at the first smoke outlet 1604 and the second smoke outlet by supporting block 1607
The inside of 1605 lower section, the first smoke outlet 1604 and the second smoke outlet 1605 is welded with link block 1606, is provided in this way
Conducive to the effect for carrying out dispersion discharge to the desulfurization slurry of addition, be conducive to the desulfurization to exhaust gas, and can further divide exhaust gas
It dissipates.
The shape and structure of first smoke outlet 1604 and the second smoke outlet 1605 is convex structure, and the first smoke outlet
1604 and second smoke outlet 1605 run through shower tray 16, and the upper surface of shower tray 16 and 4 inner tip of the first absorption tower
It does not contact, while 1605 inside link block 1606 of the first smoke outlet 1604 and the second smoke outlet is equal in number away from being provided with 4,
The width of first branching block 1602 and the second branching block 1603 is respectively greater than the first smoke outlet 1604 and the second smoke outlet 1605
Width, and the lower end surface tapered end face of the first branching block 1602 and the second branching block 1603 are provided with shunt conducive to first in this way
Block 1602 and the second branching block 1603 are sufficiently mixed exhaust gas with desulfurization slurry the winged stream of exhaust gas.
Decentralized network 21 is evenly distributed between the first paddle 19 and the second paddle 22, and on the first paddle 19
Disperse mouth 20, setting in this way is played the role of being stirred exhaust gas, is conducive to break up exhaust gas, advantageous by dispersion mouth 20
In breaing up dispersion to spraying slurries.
The mounting structure of sewage pipe 23 is inclination installation, and the height of 23 outer end of sewage pipe is contacted lower than it with sewage draining exit 9
The height at end, in this way setting play the role of being conducive to the collection to slurries to the slurries after reaction are discharged by sewage pipe 23
Middle processing.
Working principle: when being administered using the thermal power plant flue gas emission with white purification device is taken off, as shown in Figure 1, logical
It crosses water inlet 2 and the inside that water and lime are added to blending tank 1 by mouth 3 respectively is added in lime, and pump 6 is added by slurries and passes through pipe
Road is added to the inside on the first absorption tower 4, and exhaust gas is added to the bottom on the first absorption tower 4, such as Fig. 2-5 by smoke pipe 7 by blower 8
Shown, desulfurization slurry is sprayed by adding slurry pipe 15 to be added to the inside of shower tray 16 by the spray port 1601 in shower tray 16,
Exhaust gas is entered by the bottom on the first absorption tower 4, and motor 17 drives rotating bar 18 to rotate, exhaust gas inside the first absorption tower 4 to
During being raised, it is successively dispersed net 21 and the first paddle 19, during the rotation of the first paddle 19, by dividing
The slurries that raw edge 20 sprays spray port 1601 are broken up, and so that exhaust gas is sufficiently mixed and is reacted with the slurries after breaing up, shower tray
16 lower section the first branching block 1602 and the second branching block 1603, can to pass through the first smoke outlet 1604 and the second smoke outlet 1605
Exhaust gas shunted, so that exhaust gas is passed through the first smoke evacuation respectively by the two sides of the first branching block 1602 and the second branching block 1603
Mouth 1604 and the second smoke outlet 1605 flow out, and the slurries that exhaust gas can be made further to spray with spray port 1601 carry out hybrid reaction,
As shown in Fig. 2 and Fig. 6-7, the slurries after the second paddle 22 reacts 4 bottom of the first absorption tower are struck off, and pass through blowdown
Mouth 9 is added in the first filtering ponds 10 by sewage pipe 23, and is discharged after the filtering of the first filtering ponds 10 by drainpipe 13；
By Fig. 1-2 it is found that the exhaust gas after reaction is added to 5 bottom of second absorption tower by smoke pipe 7 by blower 8 by the exhaust gas after desulfurization
Portion, second absorption tower 5 are sodium alkali desulfurization, and internal structure passes through second absorption tower 5 with the first absorption tower 4, i.e. reaction solution clear water
The pipeline at top is added, and sprays through the spray port 1601 in shower tray 16, what exhaust gas was raised above inside second absorption tower 5
In the process, it is successively dispersed net 21 and the first paddle 19, during the rotation of the first paddle 19, passes through 20 pairs of mouth of dispersion
The slurries that spray port 1601 sprays are broken up, and exhaust gas is made to be sufficiently mixed and react with the slurries after breaing up, below shower tray 16
First branching block 1602 and the second branching block 1603, can to the exhaust gas by the first smoke outlet 1604 and the second smoke outlet 1605 into
Row shunts, and exhaust gas is made to pass through 1604 He of the first smoke outlet respectively by the two sides of the first branching block 1602 and the second branching block 1603
The outflow of second smoke outlet 1605, the slurries that exhaust gas can be made further to spray with spray port 1601 carry out hybrid reaction, the second stirring
Slurries after leaf 22 reacts 5 bottom of second absorption tower strike off, and are added to the second mistake by sewage pipe 23 by sewage draining exit 9
In filter tank 11, and it is discharged after the filtering of the second filtering ponds 11 by drainpipe 13；
As shown in Figure 1, the exhaust gas after reaction, is added to by blower 8 by smoke pipe 7 by the exhaust gas after the reaction of second absorption tower 5
Inside wet cottrell 12, and the particle in exhaust gas is removed by wet cottrell 12, and be added to second
In filtering ponds 11, and it is discharged after the filtering of the second filtering ponds 11 by drainpipe 13.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features, it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of thermal power plant flue gas emission is administered with taking off white purification device, including blending tank (1), water inlet (2), lime add
Entrance (3), smoke pipe (7), blower (8), wet cottrell (12), chimney (14) and add slurry pipe (15), it is characterised in that: institute
The top for stating blending tank (1) is respectively arranged with water inlet (2) and mouth (3) are added in lime, and the bottom of blending tank (1) passes through slurries
Addition pump (6) adds slurry pipe (15) to be connected with the first absorption tower (4) top, and the lower part side of the first absorption tower (4) leads to
It crosses blower (8) to be connected with smoke pipe (7), while the top of the first absorption tower (4) passes through blower (8) and second absorption tower (5)
Bottom is connected, and the top of the second absorption tower (5) is connected by blower (8) with wet cottrell (12), and the
Two absorption towers (5) and the bottom end of wet cottrell (12) are added pump (6) by slurries and are connected with the second filtering ponds (11)
It connects, and is provided with drainpipe (13) on the first filtering ponds (10) and the second filtering ponds (11), while wet cottrell
(12) it is connected by blower (8) with chimney (14), the inside of first absorption tower (4) and second absorption tower (5) is respectively provided with
Have shower tray (16), and the first absorption tower (4) and the lower end of second absorption tower (5) are provided with motor (17), and motor
(17) it is connected with rotating bar (18), is provided with the first paddle (19) and the second paddle (22) on the rotating bar (18),
And first is provided with dispersion mouth (20) on paddle (19), and rotating bar (18) is connect with decentralized network (21) bearing, described the
One absorption tower (4) and the lower part of second absorption tower (5) pass through sewage draining exit (9) and are connected with sewage pipe (23).
2. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
First absorption tower (4) is identical with the structure of second absorption tower (5), and the first absorption tower (4) and second absorption tower (5) is interior
Wall lower part is welded with decentralized network (21).
3. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
The front side of sewage draining exit (9) inner wall is convex structure, and the bottom phase of the bottom of sewage draining exit (9) and the first absorption tower (4)
Concordantly.
4. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
Described plus slurry pipe (15) is identical as the inside of shower tray (16), and shower tray (16) and the first absorption tower (4) and second absorption tower
It (5) is to be bolted.
5. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
The shower tray (16) includes spray port (1601), the first branching block (1602), the second branching block (1603), the first smoke outlet
(1604), the second smoke outlet (1605), link block (1606) and supporting block (1607), and spray port (1601) is located at shower tray
(16) lower end surface, the first branching block (1602) and the second branching block (1603) are respectively welded at the by supporting block (1607)
The lower section of one smoke outlet (1604) and the second smoke outlet (1605), the first smoke outlet (1604) and the second smoke outlet (1605) it is interior
Portion is welded with link block (1606).
6. a kind of thermal power plant flue gas emission according to claim 5 is administered with taking off white purification device, it is characterised in that:
The shape and structure of first smoke outlet (1604) and the second smoke outlet (1605) is convex structure, and the first smoke outlet
(1604) and the second smoke outlet (1605) runs through shower tray (16), and the upper surface of shower tray (16) and the first absorption tower
(4) inner tip does not contact, while the number of the first smoke outlet (1604) and the internal link block (1606) of the second smoke outlet (1605)
Amount is equidistantly provided with 4, and the width of first branching block (1602) and the second branching block (1603) is respectively greater than first row
The width of mouth (1604) and the second smoke outlet (1605), and the lower end of the first branching block (1602) and the second branching block (1603)
Face tapered end face.
7. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
The decentralized network (21) is uniformly divided between the first paddle (19) and the second paddle (22), and on the first paddle (19)
It is furnished with dispersion mouth (20).
8. a kind of thermal power plant flue gas emission according to claim 1 is administered with taking off white purification device, it is characterised in that:
The mounting structure of the sewage pipe (23) is inclination installation, and the height of sewage pipe (23) outer end connects lower than it with sewage draining exit (9)
The height of contravention.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114699938A (en) * | 2022-04-27 | 2022-07-05 | 无锡菲怡雅环保科技有限公司 | Gas dissolving device based on multistage reinforced gas-liquid mixing system |
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Application publication date: 20191022 |