CN207025060U - A kind of water-tube boiler flue gas desulphurization system - Google Patents
A kind of water-tube boiler flue gas desulphurization system Download PDFInfo
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- CN207025060U CN207025060U CN201720902744.1U CN201720902744U CN207025060U CN 207025060 U CN207025060 U CN 207025060U CN 201720902744 U CN201720902744 U CN 201720902744U CN 207025060 U CN207025060 U CN 207025060U
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- desulfurizing tower
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- flue gas
- waste liquid
- shower
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Abstract
The utility model discloses a kind of water-tube boiler flue gas desulphurization system, including desulfurizing tower and the spray system being arranged inside desulfurizing tower, desulfurizing tower lower end is provided with air inlet and upper end open is arranged to exhaust outlet, spray equipment includes the more showers arranged vertically, and shower top is provided with the water supply endless tube being wholely set, shower is vertically provided with multiple spray nozzles, spray nozzle in the vertical direction is divided into multiple segmentations, and the spray nozzle in same segmentation is provided with the same switch valve for being used to simultaneously open and close it.The utility model passes through above-mentioned setting, shower is vertically arranged in the side wall of desulfurizing tower, reduce the space that spray system occupies in desulfurizing tower, increase space availability ratio, and multiple segmentations of keying can be controlled simultaneously because spray nozzle in the vertical direction turns into, so that shower can control its effective working region, the waste of moisture and reactant is reduced.
Description
Technical field
Flue gas desulfurization field is the utility model is related to, more particularly to a kind of water-tube boiler flue gas desulphurization system.
Background technology
Thermoelectricity is the main form that China generates electricity, and occupies most of proportion, therefore flue gas is also always caused by fire coal
Emphasis process part, as the control to environment and air quality is more and more tighter, in fume treatment caused by corresponding water-tube boiler
Desulfurization requirement also more and more higher, therefore many steam power plants can all seek suitable sulfur method and device.
Authorization Notice No. is CN205672776U Chinese patent document《A kind of minimum discharge desulphurizing and dust-removing integral desulfurization
Tower》In disclose a kind of desulfurizing tower available for desulfurization, include desulfurizing tower body, desulfurizing tower is sequentially provided with slurries from top to bottom
Pond, gas approach, slurries spray group, dedusting demisting unit, exhanst gas outlet, wherein slurries spray group spray including multilayer slurries
Layer, slurries spray group in the vertical direction are uniformly arranged in desulfurizing tower.During work, flue gas enters in desulfurizing tower from bottom to top,
Desulfidation is completed by the effect of multilayer slurries spraying layer, then the floss hole opened up at the top of desulfurizing tower is discharged into air.
But in such scheme, because multilayer slurries spraying layer is arrangement of staggering above and below in the vertical direction, occupy
Larger space, height and the space of desulfurizing tower are added, so as to add many construction costs.
Utility model content
The purpose of this utility model is to provide a kind of water-tube boiler flue gas desulphurization system, has and reduces space, cost-effective
Effect.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of water-tube boiler flue gas
Desulphurization system, including desulfurizing tower and the spray system being arranged inside desulfurizing tower, desulfurizing tower lower end is provided with air inlet and upper end is opened
Mouth is arranged to exhaust outlet, and spray equipment includes the more showers arranged vertically, and shower top is provided with the confession being wholely set
Water ring pipe, shower are vertically provided with multiple spray nozzles, and spray nozzle in the vertical direction is divided into multiple segmentations, same segmentation
Interior spray nozzle is provided with the same switch valve for being used to simultaneously open and close it.
By using above-mentioned technical proposal, shower is vertically arranged in the side wall of desulfurizing tower, reduces spray system de-
The space occupied in sulphur tower, increase space availability ratio and save construction cost；Be additionally, since spray nozzle be divided into by high unity it is more
Individual segmentation, and the spray nozzle in each segmentation is provided with a switch valve, therefore the section that shower effectively works, root can be adjusted
The quantity of spray nozzle is adjusted according to exhaust gas volumn or impure amount, advantageously reduces the waste of moisture.
It is of the present utility model to be further arranged to：Spray nozzle is respectively connected with feed pipe, and same segmentation in a shower
Spray nozzle be connected to same root feed pipe, at least provided with two feed pipes in a shower.
By using above-mentioned technical proposal, the spray nozzle of same segmentation is connected to same root feed pipe in a shower,
So that spray nozzle turns into the multiple unit groups that can control keying, it is easy to uniformly adjust.
It is of the present utility model to be further arranged to：The feed pipe of same segmentation in different showers connects in water supply endless tube
It is logical, and switch valve is arranged on the feed pipe after connection.
By using above-mentioned technical proposal, the keying of controlling switch valve can control the unified segmentation in different showers
The spray nozzle of feed pipe and its connection, it is achieved thereby that the regulation step by step of shower in the vertical direction, can be according to flue gas
Throughput or impurity content size come adjust spray nozzle unlatching number.
It is of the present utility model to be further arranged to：All feed pipes are finally communicated in water inlet pipe in water supply endless tube, water inlet
Pipe passes desulfurizing tower and is communicated in the printing and dyeing salkali waste liquid pool being arranged at outside desulfurizing tower.
By using above-mentioned technical proposal, printing and dyeing salkali waste liquid pool can provide reactant into desulfurizing tower by water inlet pipe, lead to
Cross printing and dyeing salkali waste liquid pool akaline liquid reach with sulfide reaction so that desulfurization effect.
It is of the present utility model to be further arranged to：Desulfurization tower bottom is provided with the overflow pipe for being used for discharging waste liquid, and overflow pipe connects
The logical waste liquid sedimentation basin being arranged at outside desulfurizing tower, waste liquid sedimentation basin can be made by being provided between waste liquid sedimentation basin and printing and dyeing salkali waste liquid pool
Middle liquid enters overflowing back for printing and dyeing salkali waste liquid pool and uses pipe.
By using above-mentioned technical proposal, after reactant and smoke reaction that printing and dyeing salkali waste liquid pool provides under drop down onto bottom of towe remittance
Collection, and can be flowed into waste liquid sedimentation basin by overflow pipe and be precipitated, and due to waste liquid sedimentation basin and printing and dyeing salkali waste liquid pool it
Between be provided with and overflow back with pipe so that when salkali waste liquid pool liquid level of printing and dyeing is less than overflowing back with pipe height, liquid can in waste liquid pool
It is supplemented into printing and dyeing salkali waste liquid pool, increases the recycling of alkaline matter.
It is of the present utility model to be further arranged to：Printing and dyeing salkali waste liquid pool is divided into salkali waste sedimentation basin and PH regulating reservoirs, PH regulations
Water supply pump is provided with pond and is connected to water inlet pipe.
By using above-mentioned technical proposal, in order to maintain the pH value of reactant in printing and dyeing salkali waste liquid pool stably to have participated in
The reaction of effect, it can further be adjusted in PH regulating reservoirs.
It is of the present utility model to be further arranged to：Filter layer is provided with air inlet.
By using above-mentioned technical proposal, because the stand-by substantial amounts of particle of the flue gas of boiler combustion, therefore it is provided with filter layer
Substantial amounts of particle can be stopped, strengthen the dust removing effects of desulfurizing tower.
It is of the present utility model to be further arranged to：Exhaust ports are provided with the dehydration layer of efficient low-resistance.
By using above-mentioned technical proposal, because the flue gas of discharge contains a large amount of steam, water content is larger, can be to exhaust outlet
The air-introduced machine that place is provided with produces serious water phenomenon, is unfavorable for the permanent work of air-introduced machine.
In summary, the utility model has the advantages that：Shower is vertically arranged in the side wall of desulfurizing tower, is subtracted
The space that few spray system occupies in desulfurizing tower, increases space availability ratio, and due to spray nozzle in the vertical direction into
For multiple segmentations of keying can be controlled simultaneously so that shower can control its effective working region, reduce moisture and
The waste of reactant.
Brief description of the drawings
Fig. 1 is the overall structure diagram of desulfurizing tower in the present embodiment；
Fig. 2 is the front view of desulfurizing tower in the present embodiment；
Fig. 3 is Fig. 2 A-A cross section views, be mainly presented with desulfurizing tower, water supply endless tube, shower, spray nozzle, air-introduced machine,
The position annexation being dehydrated between layer, filter layer；
Fig. 4 is the part-structure schematic diagram of the present embodiment, is mainly presented with water inlet pipe, water supply endless tube, shower, spray nozzle
Structure；
Fig. 5 is the part-structure schematic diagram of the present embodiment, the main structure for showing feed pipe and spray nozzle；
Fig. 6 is the circulation recycle system schematic diagram of desulphurization reaction thing in the present embodiment, the salkali waste liquid pool of being mainly demonstrated by printing and dyeing,
Annexation between salkali waste sedimentation basin, PH regulating reservoirs, waste liquid sedimentation basin.
In figure：1st, desulfurizing tower；11st, air inlet；111st, filter layer；12nd, exhaust outlet；121st, it is dehydrated layer；122nd, air-introduced machine；2、
Water inlet pipe；21st, shower；211st, spray nozzle；212nd, feed pipe；22nd, water supply endless tube；23rd, switch valve；3rd, printing and dyeing salkali waste liquid pool；
31st, salkali waste sedimentation basin；32nd, PH regulating reservoirs；4th, waste liquid sedimentation basin；41st, overflow pipe；42nd, screen pack.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Specific embodiment is only that it is not to limitation of the present utility model, this area to explanation of the present utility model
Technical staff can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but only
All to be protected in right of the present utility model by Patent Law.
Embodiment：A kind of water-tube boiler flue gas desulphurization system, as depicted in figs. 1 and 2, including desulfurizing tower 1 and be arranged at it is de-
Spray system in sulphur tower 1, the lower end of desulfurizing tower 1 is provided with air inlet 11 and upper end open is arranged to exhaust outlet 12, and flue gas is from air inlet
Mouth 11 enters in desulfurizing tower 1, and desulfurizing tower 1 is provided with Multi-channel filtering net 42 in the top close to air inlet 11（Referring to Fig. 3）.
As shown in Figure 3 and Figure 4, vertically it is provided with desulfurizing tower 1 more with shower 21, shower 21 is circumferentially disposed
More and top be communicated with the water supply endless tube 22 of ring-type, be vertically provided with multiple sprays being intervally arranged in shower 21
Mouth 211, and shower 21 in be provided with more be connected to spray nozzle 211 be used for supply water feed pipe 212.It is all in desulfurizing tower 1
Spray nozzle 211 is divided into multiple segmentations from bottom to top, and the shower 21 of the same segmentation in same root shower 21 is connected to same
On root feed pipe 212, at least provided with two feed pipes 212 in a shower 21, and belong to more feed pipes of same segmentation
212 in water supply endless tube 22 with being interconnected, and the feed pipe 212 after connection is provided with remote controlled switch valve 23, such as electromagnetism
Valve, opened and closed while all spray nozzle 211 of different segmentations can be controlled.
As shown in Figure 5 and Figure 6, the feed pipe 212 for being provided with the different segmentations of switch valve 23 is finally communicated in same root
In water inlet pipe 2, one end that water inlet pipe 2 passes desulfurizing tower 1 is communicated in the printing and dyeing salkali waste liquid pool 3 being arranged on outside desulfurizing tower 1, printing and dyeing
Salkali waste liquid pool 3 divides for salkali waste sedimentation basin 31 and PH regulating reservoirs 32, and the dyeing waste water of alkalescence is filled in salkali waste sedimentation basin 31, by heavy
Enter PH regulating reservoirs 32 behind shallow lake, be adjusted to the PH of the printing and dyeing spent lye in PH regulating reservoirs 32 suitably by dilution or enriching alkali lye
In stability range.Water supply pump is installed in PH regulating reservoirs 32 and is connected to water inlet pipe 2, it is de- for printing and dyeing spent lye to be pumped to
Reacted in sulphur tower 1.
As shown in fig. 6, the bottom of desulfurizing tower 1 is provided with the waste collection area after printing and dyeing spent lye reaction, and in desulfurizing tower 1
Side wall be provided with overflow pipe 41（Referring to Fig. 1）, one end that overflow pipe 41 stretches out desulfurizing tower 1 is communicated in for collecting the useless of waste liquid
Liquid precipitate pond 4, it can be flowed into waste liquid sedimentation basin 4 when the waste liquid liquid level in desulfurizing tower 1 is higher than overflow pipe 41.Waste liquid sedimentation basin
Being provided between 4 and printing and dyeing salkali waste liquid pool 3 can make liquid in waste liquid sedimentation basin 4 use pipe into overflowing back for printing and dyeing salkali waste liquid pool 3, when
For liquid level in printing and dyeing salkali waste liquid pool 3 less than when overflowing back with pipe height, the liquid in waste liquid sedimentation basin 4 enters printing and dyeing salkali waste liquid pool
In 3, the supplement of raw material is carried out to it, so as to increase the recycling rate of waterused of alkaline material.
As shown in figure 1, the desulfurizing tower 1 of exhaust outlet 12 is provided with air-introduced machine 122, flue gas is completed de- after above-mentioned steps
Sulphur, now can outwardly it be discharged at exhaust outlet 12 by the effect of air-introduced machine 122, but due to water content in flue gas now
It is larger, air-introduced machine 122 is produced water phenomenon, it is therefore desirable to the dehydration layer 121 of efficient low-resistance is provided with exhaust outlet 12,
It can be Multi-layer graphite layer or the tornado evaporator of customization to be dehydrated layer 121.
The operation principle of the present embodiment is：When starting to carry out desulfuration operations to flue gas, water supply pump is opened, makes printing and dyeing salkali waste
Liquid is entered in feed pipe 212 by water inlet pipe 2, while opens switch valve 23 so that printing and dyeing spent lye is sprayed by spray nozzle 211
And reacted with the sulfide in flue gas.
When the flue gas flow in by desulfurizing tower 1 is little or sulfide content is smaller, controlling switch valve can be passed through
23 adjust the keying quantity of spray nozzle 211, realize the regulation in the segmentation effecting reaction region of in the vertical direction, reach reduction
The effect that moisture and alkaline material waste.
Claims (8)
1. a kind of water-tube boiler flue gas desulphurization system, including desulfurizing tower (1) and the spray system for being arranged at desulfurizing tower (1) inside,
Desulfurizing tower (1) lower end is provided with air inlet (11) and upper end open is arranged to exhaust outlet (12), it is characterised in that：The spray
Device includes the more showers (21) arranged vertically, and the shower (21) top is provided with the water supply endless tube being wholely set
(22), the shower (21) is vertically provided with multiple spray nozzles (211), spray nozzle (211) in the vertical direction
It is divided into multiple segmentations, the spray nozzle (211) in same segmentation is provided with the same switch valve for being used to simultaneously open and close it（23）.
A kind of 2. water-tube boiler flue gas desulphurization system according to claim 1, it is characterised in that：The spray nozzle (211)
Feed pipe (212) is respectively connected with, and the spray nozzle (211) of same segmentation is connected to same root feed pipe in a shower (21)
(212), at least provided with two feed pipes (212) in a shower (21).
A kind of 3. water-tube boiler flue gas desulphurization system according to claim 2, it is characterised in that：The different showers
(21) feed pipe (212) of the same segmentation in connects in water supply endless tube (22), and the switch valve（23）It is arranged at connection
On feed pipe (212) afterwards.
A kind of 4. water-tube boiler flue gas desulphurization system according to claim 3, it is characterised in that：The water supply endless tube (22)
In all feed pipes (212) be finally communicated in water inlet pipe (2), the water inlet pipe (2) passes the desulfurizing tower (1) and is communicated in
It is arranged at the outside printing and dyeing salkali waste liquid pool (3) of desulfurizing tower (1).
A kind of 5. water-tube boiler flue gas desulphurization system according to claim 4, it is characterised in that：Desulfurizing tower (1) bottom
Portion is provided with the overflow pipe (41) for being used for discharging waste liquid, and overflow pipe (41) connection is arranged at the outside waste liquid of desulfurizing tower (1) and sunk
Shallow lake pond (4), being provided between the waste liquid sedimentation basin (4) and printing and dyeing salkali waste liquid pool (3) can enter liquid in waste liquid sedimentation basin (4)
Printing and dyeing salkali waste liquid pool (3) is overflowed back with pipe.
A kind of 6. water-tube boiler flue gas desulphurization system according to claim 5, it is characterised in that：The printing and dyeing salkali waste liquid pool
(3) it is divided into salkali waste sedimentation basin (31) and PH regulating reservoirs (32), is provided with water supply pump in the PH regulating reservoirs (32) and is connected to institute
State water inlet pipe (2).
A kind of 7. water-tube boiler flue gas desulphurization system according to claim 1, it is characterised in that：Air inlet (11) place
Provided with filter layer (111).
A kind of 8. water-tube boiler flue gas desulphurization system according to claim 1, it is characterised in that：Exhaust outlet (12) place
Dehydration layer (121) provided with efficient low-resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902744.1U CN207025060U (en) | 2017-07-24 | 2017-07-24 | A kind of water-tube boiler flue gas desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902744.1U CN207025060U (en) | 2017-07-24 | 2017-07-24 | A kind of water-tube boiler flue gas desulphurization system |
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| Publication Number | Publication Date |
|---|---|
| CN207025060U true CN207025060U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902744.1U Expired - Fee Related CN207025060U (en) | 2017-07-24 | 2017-07-24 | A kind of water-tube boiler flue gas desulphurization system |
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| Country | Link |
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| CN (1) | CN207025060U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579303A (en) * | 2018-05-30 | 2018-09-28 | 唐山钢铁集团有限责任公司 | A kind of boiler smoke particle purifying device and method |
-
2017
- 2017-07-24 CN CN201720902744.1U patent/CN207025060U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108579303A (en) * | 2018-05-30 | 2018-09-28 | 唐山钢铁集团有限责任公司 | A kind of boiler smoke particle purifying device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20210724 |