CN208356444U - A kind of desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator - Google Patents
A kind of desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator Download PDFInfo
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- CN208356444U CN208356444U CN201820595875.4U CN201820595875U CN208356444U CN 208356444 U CN208356444 U CN 208356444U CN 201820595875 U CN201820595875 U CN 201820595875U CN 208356444 U CN208356444 U CN 208356444U
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- desulfuration absorbing
- absorbing tower
- wet electrical
- electrical dust
- dust precipitator
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Abstract
The utility model discloses a kind of desulfuration absorbing towers to combine the device of low position with wet electrical dust precipitator, described device includes desulfuration absorbing tower, transition flue duct, wet electrical dust precipitator, exhaust pass and chimney, wet electrical dust precipitator includes two reaction chambers that desulfuration absorbing tower two sides are arranged in, exhanst gas outlet at the top of desulfuration absorbing tower is connected by transition flue duct with the smoke inlet of two reaction chambers, and the exhanst gas outlet of two reaction chamber bottoms is connected by exhaust pass with chimney.The utility model optimizes the combined layout mode of desulfuration absorbing tower and wet electrical dust precipitator, fume treatment suitable for Thermal generation unit especially Large-scale machine set, the land occupation of desulfuration absorbing tower Yu wet electrical dust precipitator equipment can effectively be saved, shorten flue length, save material, influence of the flue gas resistance to flue gas flow field is reduced simultaneously, enhances the dust removing effects of wet electrical dust precipitator；In addition, wet electrical dust precipitator equipment uses low position form, reduces backing material, improve stabilization of equipment performance.
Description
Technical field
The utility model relates to the technical fields of flue gas desulfurization and dedusting, more particularly, are related to a kind of desulfuration absorbing tower
Combine the device of low position with wet electrical dust precipitator.
Background technique
Currently, Environmental Protection Situation is severe, Thermal generation unit atmosphere pollutants emission standards are increasingly stringenter, some firepower hairs
The concentration of emission limit value of the flue dust of power plant is required in 5mg/Nm3Below.In order to reach this stringent discharge standard, wet type electricity
Deduster (WESP) efficiently traps the technical capability of fine particle and other pollutants based on its own, has evolved into flue gas and controls
A set of essential equipment in reason system.
Under normal conditions, wet electrical dust precipitator is arranged in wet desulphurization absorption tower downstream in technique.Traditional arrangement method
It is wet electrical dust precipitator by independent frame supports, is connected between each equipment by flue.It is typically due to power plant's integrated planning and place
Many-sided reason such as limitation, connection flue are longer.It on the one hand needs using more materials, and makes to a certain extent in this way
The flow field that flue gas enters wet electrical dust precipitator is uneven, influences final dust removing effects and increases flue gas resistance.
For the unit of indirect air cooling, " unification of the three towers " arrangement being integrated using circulating water, smoke evacuation, desulfurization
When, since place limits and field requirements in indirect cool tower, the arrangement of traditional wet electric precipitator and desulfuration absorbing tower will
It is not able to satisfy actual requirement.For Large-scale machine set, such as 1000MW or more unit, wet electrical dust precipitator usually requires multiple reaction chambers
(based on two rooms) handle whole flue gases.At this point, traditional arrangement mode structure is increasingly complex, waste of material is serious.
Summary of the invention
In order to solve the problems in the existing technology, the purpose of the utility model is to provide a kind of desulfurization of optimization absorptions
The combined layout mode of tower and wet electrical dust precipitator, the fume treatment suitable for Thermal generation unit especially Large-scale machine set.
The utility model provides the device that a kind of desulfuration absorbing tower combines low position with wet electrical dust precipitator, the dress
It sets including desulfuration absorbing tower, transition flue duct, wet electrical dust precipitator, exhaust pass and chimney, wherein wet electrical dust precipitator includes setting
Set two reaction chambers in desulfuration absorbing tower two sides, the exhanst gas outlet at the top of desulfuration absorbing tower by transition flue duct with it is described two
The smoke inlet of reaction chamber is connected, and the exhanst gas outlet of described two reaction chamber bottoms is connected by exhaust pass with chimney.
As preferred embodiment, the exhanst gas outlet of described two reaction chamber bottoms passes through independent exhaust pass respectively
It is connected with independent chimney.
As preferred embodiment, the exhanst gas outlet of described two reaction chamber bottoms passes through united exhaust pass and public affairs
Chimney is connected.
As preferred embodiment, the chimney is arranged in the rear side of desulfuration absorbing tower and parallel with desulfuration absorbing tower sets
It sets.
As preferred embodiment, the middle and lower part of desulfuration absorbing tower is arranged in the smoke inlet of the desulfuration absorbing tower.
As preferred embodiment, deflector is provided in the transition flue duct and exhaust pass.
As preferred embodiment, the bottom of the exhaust pass is provided with the gradient, in the extreme lower position of exhaust pass
Place is provided with discharge outlet.
As preferred embodiment, the cross-sectional shape of the chimney is rectangle or circle, and the exhaust pass uses
Rectangle variable cross-section connector or circumference connector are connect with chimney.
Compared with prior art, the utility model optimizes the combined layout side of desulfuration absorbing tower and wet electrical dust precipitator
Formula can effectively save desulfuration absorbing tower and remove with wet type electricity suitable for the fume treatment of Thermal generation unit especially Large-scale machine set
The land occupation of dirt device equipment shortens flue length, saves material, while reducing influence of the flue gas resistance to flue gas flow field, enhances wet
The dust removing effects of formula electric precipitator；In addition, wet electrical dust precipitator equipment uses low position form, reduces backing material, mention
High stabilization of equipment performance.
Detailed description of the invention
Fig. 1, which is shown, combines low position with wet electrical dust precipitator according to desulfuration absorbing tower in the utility model embodiment 1
Device schematic view of the front view.
Fig. 2 shows the left view structural representations of Fig. 1 shown device.
Fig. 3, which is shown, combines low position with wet electrical dust precipitator according to desulfuration absorbing tower in the utility model embodiment 2
Device schematic view of the front view.
Fig. 4 shows the left view structural representation of Fig. 3 shown device.
Description of symbols:
1- desulfuration absorbing tower, the smoke inlet of 11- desulfuration absorbing tower, 2- transition flue duct, 3- reaction chamber, 4- exhaust pass,
41- discharge outlet, 5- chimney.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification unless specifically stated can be equivalent or with similar purpose by other
Alternative features are replaced.That is, unless specifically stated, each feature is an example in a series of equivalent or similar characteristics
?.
Exemplary embodiment according to the present utility model, the desulfuration absorbing tower combine low position with wet electrical dust precipitator
Device include desulfuration absorbing tower 1, transition flue duct 2, wet electrical dust precipitator, exhaust pass 4 and chimney 5, wherein wet-esp
Device includes two reaction chambers 3 that 1 two sides of desulfuration absorbing tower are arranged in, and the exhanst gas outlet at 1 top of desulfuration absorbing tower passes through transition cigarette
Road 2 is connected with the smoke inlet of two reaction chambers 3, and the exhanst gas outlet of two 3 bottoms of reaction chamber passes through exhaust pass 4 and chimney 5
It is connected.
It can be seen that the utility model is first by being respectively arranged two reaction chambers 3 of wet electrical dust precipitator in desulfurization
The two sides on absorption tower 1, while the flue gas from desulfuration absorbing tower 1 is assigned to the two of wet electrical dust precipitator using transition flue duct 2
In a reaction chamber, not only the connection flue of equipment is very short and flue resistance is small, but also passes through the low level cloth to wet electrical dust precipitator
The material of support construction is saved and is set, equipment whole height is reduced and is convenient for the repair and maintenance of equipment.
The middle and lower part of desulfuration absorbing tower 1 is arranged in the smoke inlet 11 of desulfuration absorbing tower 1, and flue gas is entered by desulfurization entrance 11
Desulfuration absorbing tower 1, flue gas after desulfurization are equably divided after coming out from the exhanst gas outlet at 1 top of desulfuration absorbing tower by transition flue duct 2
Depth dedusting is carried out for two parts and from top to bottom by two reaction chambers 3 of wet electrical dust precipitator, is reacted later from two
The neat stress that room 3 comes out enters chimney 5 through exhaust pass 4 and is discharged.
Preferably, it is provided with deflector in transition flue duct 2 and exhaust pass 4, so that flue gas distribution is more uniform and suitable
Freely, the flue gas flow field for further making to enter in two reaction chambers of wet electrical dust precipitator is uniform, so as to make the dedusting of the equipment
Effect is optimal.Also, the bottom of exhaust pass 4 is preferably provided with the gradient, and lowest position is provided with discharge
Mouth 41, so that collected flue dust and solid particle can be discharged with flushing water by discharge outlet 41 in reaction chamber 3.
Exhaust pass 4 can use two independent flues according to actual arrangement situation, and chimney 5 is also independently arranged accordingly, i.e.,
The exhanst gas outlet of two 3 bottoms of reaction chamber passes through independent exhaust pass 4 respectively and is connected with independent chimney 5, and device is adopted at this time
Flue gas is individually discharged with twin flue form.
Exhaust pass 4 can also use a united exhaust pass 4 according to actual arrangement situation, and two reaction chambers 3 come out
Neat stress converged by united exhaust pass after enter common chimney 5, i.e., the exhanst gas outlets of two 3 bottoms of reaction chamber is logical
It crosses united exhaust pass 4 to be connected with common chimney 5, flue gas is converged rear uniform effluent using single flue by device at this time.
Wherein, chimney 5 is arranged in the rear side of desulfuration absorbing tower 1 and is arranged in parallel with desulfuration absorbing tower 1.Also, chimney 5
Cross-sectional shape is preferably rectangle or circle, then the connection of rectangle variable cross-section connector can be used between exhaust pass 4 and chimney 5,
Circumference connector connection can also be used.
Wet electrical dust precipitator is carried out low position by the utility model as a result, saves height space and wet-esp
The material of support construction simultaneously enhances the structural stability of equipment, convenient for the repair and maintenance of equipment, improves in wet electrical dust precipitator
The stability of key equipment (such as power supply).Meanwhile the arrangement is integrated two environment friendly systems, is not only saved and is thrown
Money cost simultaneously can improve overall performance to a certain extent.
Below by specific embodiment, the utility model is described in further detail.
Embodiment 1:
Fig. 1, which is shown, combines low position with wet electrical dust precipitator according to desulfuration absorbing tower in the utility model embodiment 1
Device schematic view of the front view, Fig. 2 shows the left view structural representations of Fig. 1 shown device.
As depicted in figs. 1 and 2, wet electrical dust precipitator is divided into the identical reaction chamber 3 of two sizes in the present embodiment, is arranged in
The two sides of desulfuration absorbing tower 1, flue gas is entered after desulfuration absorbing tower 1 by smoke inlet 11 passes through transition cigarette from the exhanst gas outlet at top
Road 2 is even into the two reaction chambers.In wet electrical dust precipitator, flue gas flows from up to down, enters exhaust pass 4 later,
It is discharged after the guide functions of exhaust pass 4 by chimney 5.
In the present embodiment, there are two exhaust pass 4 and chimney 5 are respectively provided with, two of wet electrical dust precipitator are respectively corresponded
Reaction chamber namely the flue gas of two reactors discharge pass through individual exhaust pass and chimney discharge respectively.It is set in transition flue duct 2
It is equipped with deflector, so that flue gas is evenly distributed in two reaction chambers of wet electrical dust precipitator.The bottom setting one of exhaust pass 4
Grade, lowest position are provided with discharge outlet 41, and the flue dust and solid particle of collection can pass through 41 row of discharge outlet with flushing water
Out.Corner location in exhaust pass 4 is appropriately arranged with deflector to be further reduced flue gas circulating resistance.
The connection flue overall presure drop of desulfurization and dedusting two systems is within the scope of 50~100Pa in the present embodiment.
Embodiment 2:
Fig. 3, which is shown, combines low position with wet electrical dust precipitator according to desulfuration absorbing tower in the utility model embodiment 2
Device schematic view of the front view, Fig. 4 shows the left view structural representation of Fig. 3 shown device.
As shown in Figure 3 and Figure 4, wet electrical dust precipitator is divided into the identical reaction chamber 3 of two sizes in the present embodiment, is arranged in
The two sides of desulfuration absorbing tower 1, flue gas is entered after desulfuration absorbing tower 1 by smoke inlet 11 passes through transition cigarette from the exhanst gas outlet at top
Road 2 is even into the two reaction chambers.In wet electrical dust precipitator, flue gas flows from up to down, enters exhaust pass 4 later,
It is discharged after the guide functions of exhaust pass 4 by chimney 5.
In the present embodiment, 5, chimney settings one and be common chimney, exhaust pass 4 is by wet electrical dust precipitator
The flue gas that comes out of two reaction chambers converge after be sent into the discharge of chimney 5 namely exhaust pass 4 flue gas with two reaction chambers simultaneously
Collecting and connecting the export for realizing flue gas with the smoke inlet of chimney 5 for flue gas is realized in outlet connection.It is arranged in transition flue duct 2
There is deflector, so that flue gas is evenly distributed in two reaction chambers of wet electrical dust precipitator.The bottom setting of exhaust pass 4 is certain
The gradient, lowest position are provided with discharge outlet 41, and the flue dust and solid particle of collection can be discharged with flushing water by discharge outlet 41.
Corner location in exhaust pass 4 is appropriately arranged with deflector to be further reduced flue gas circulating resistance.
The connection flue overall presure drop of desulfurization and dedusting two systems is within the scope of 80~100Pa in the present embodiment.
In conclusion the utility model is directed to the fume treatment of Thermal generation unit, a kind of desulfurization of optimization is provided and is removed
Dirt combined layout scheme realizes that the land occupation of coal fired generator set desulfurization and dust pelletizing system reduces 20% or more, reduces two systems company
50% or more material of cigarette receiving road reduces 50% or more flue resistance of connection, and reduces system support knot to a certain extent
Structure material improves the stability of device structure, convenient for the repair and maintenance of equipment.
The utility model is not limited to specific embodiment above-mentioned.The utility model expands to any in this specification
The new feature of middle disclosure or any new combination, and disclose any new method or process the step of or any new group
It closes.
Claims (8)
1. the device that a kind of desulfuration absorbing tower combines low position with wet electrical dust precipitator, which is characterized in that described device includes
Desulfuration absorbing tower, transition flue duct, wet electrical dust precipitator, exhaust pass and chimney, wherein wet electrical dust precipitator includes setting de-
Two reaction chambers of sulphur absorption tower two sides, the exhanst gas outlet at the top of desulfuration absorbing tower pass through transition flue duct and described two reaction chambers
Smoke inlet be connected, the exhanst gas outlets of described two reaction chamber bottoms is connected by exhaust pass with chimney.
2. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
The exhanst gas outlet of described two reaction chamber bottoms passes through independent exhaust pass respectively and is connected with independent chimney.
3. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
The exhanst gas outlet of described two reaction chamber bottoms is connected by united exhaust pass with common chimney.
4. desulfuration absorbing tower according to any one of claims 1 to 3 combines the device of low position with wet electrical dust precipitator,
It is characterized in that, the chimney is arranged in the rear side of desulfuration absorbing tower and is arranged in parallel with desulfuration absorbing tower.
5. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
The middle and lower part of desulfuration absorbing tower is arranged in the smoke inlet of the desulfuration absorbing tower.
6. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
Deflector is provided in the transition flue duct and exhaust pass.
7. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
The bottom of the exhaust pass is provided with the gradient, and the lowest position of exhaust pass is provided with discharge outlet.
8. desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator according to claim 1, which is characterized in that
The cross-sectional shape of the chimney is rectangle or circle, and the exhaust pass is using rectangle variable cross-section connector or circumference connector
It is connect with chimney.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595875.4U CN208356444U (en) | 2018-04-24 | 2018-04-24 | A kind of desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820595875.4U CN208356444U (en) | 2018-04-24 | 2018-04-24 | A kind of desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208356444U true CN208356444U (en) | 2019-01-11 |
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ID=64932485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820595875.4U Active CN208356444U (en) | 2018-04-24 | 2018-04-24 | A kind of desulfuration absorbing tower combines the device of low position with wet electrical dust precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208356444U (en) |
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2018
- 2018-04-24 CN CN201820595875.4U patent/CN208356444U/en active Active
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