CN203564959U - Wet desulphurization-dust extraction integrated device - Google Patents
Wet desulphurization-dust extraction integrated device Download PDFInfo
- Publication number
- CN203564959U CN203564959U CN201320635139.4U CN201320635139U CN203564959U CN 203564959 U CN203564959 U CN 203564959U CN 201320635139 U CN201320635139 U CN 201320635139U CN 203564959 U CN203564959 U CN 203564959U
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- wet
- absorption tower
- slurry pool
- integrated apparatus
- spraying layer
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Abstract
The utility model discloses a wet desulphurization-dust extraction integrated device. The integrated device comprises an absorption tower, a wet desulphurization system and a wet electric precipitation system, wherein an exhaust gas inlet is formed in the lower part of the absorption tower, and a purified exhaust gas outlet is formed in the top of the absorption tower; the wet desulphurization system and the wet electric precipitation system are mounted in the absorption tower, and the wet electric precipitation system is located above the wet desulphurization system. According to the wet desulphurization-dust extraction integrated device, the integral structure of an exhaust gas treatment system is simplified, spaces occupied by building materials and the system are reduced, the construction cost is lowered, and desulphurization and dust extraction effects are good.
Description
Technical field
The utility model relates to air contaminant treatment environmental protection equipment technical field, refers in particular to a kind of wet method sulphur removing and dust removing integrated apparatus.
Background technology
In prior art, take coal-fired power station boiler outlet smoke gas treatment as example, flue gas is introduced into SCR Benitration reactor after discharging from boiler, removes the NOx in flue gas, then enters electrostatic precipitator, removes the most of dust in flue gas, last, enters desulfurizing tower, by SO
2and SO
3deng sponging, after described three kinds of cleaning equipments, flue gas just can enter chimney.In order to reach lower chimney breast dust emission concentration, part power plant can arrange an independently wet electrical dust precipitator after desulfurizer again, further removes the dust in desulfurizing tower outlet flue gas, makes finally to discharge dust emission concentration and drops to 10 mg/Nm
3below.
In prior art, after desulfurizer, arrange that wet electrical dust precipitator makes the structure of whole smoke gas treatment system more complicated, commissioning test difficulty strengthens, cost of investment strengthens; In wet desulphurization absorption tower, adopt mechanical demister to remove the droplet in flue gas, mechanical demister is because its design feature can cause very large pressure drop to system, and easily results in blockage; The efficiency of machinery demister removal droplet is limited, and part slurries droplet can enter chimney by mechanical demister, finally drops on around chimney.
Publication number is that CN1541749A discloses a kind of wet method-electrostatic two-stage dust collecting desulfurizing method and equipment thereof, described wet method-static two-stage dust removal desulphurization plant comprises wet dust removal desulphurization device and electrostatic dust-removing, desulfurizing device, it is arranged on top, absorption tower by wet dust removal desulphurization device and electrostatic dust-removing, desulfurizing device simultaneously, and be set up in parallel, this system takes up room larger, and construction cost is larger.
Meanwhile, its smoke inlet is positioned at the left upper portion on absorption tower, and flue gas enters from top, absorption tower, through wet dedusting desulfurization technique, motion from top to bottom, through airflow-distribution board, motion from bottom to top, through electrostatic dust-removing, desulfurizing technique, its structure is comparatively complicated, and technological process is comparatively complicated.
And the spray liquid in two tributaries in its spray system is identical, be all alkalies, in electrostatic dust-removing, desulfurizing technique, spray alkalies by the flue dust polluting through purifying.
Utility model content
It is little that the purpose of this utility model is to provide one to take up room, simple in structure, and the effective wet method sulphur removing and dust removing integrated apparatus of desulfurization and dedusting.
For reaching above-mentioned purpose, solution of the present utility model is:
A kind of wet method sulphur removing and dust removing integrated apparatus, comprises absorption tower, wet desulfurization system and wet-esp system; Bottom, absorption tower arranges gas approach, and top, absorption tower arranges clean exhanst gas outlet; Wet desulfurization system and wet-esp system are arranged in absorption tower, and wet-esp system is positioned at wet desulfurization system top.
Further, wet desulfurization system comprises the first spraying layer, the first slurry pool and the first size delivery device; The first spraying layer is arranged in absorption tower, by pipeline, communicates with the first slurry pool that is positioned at outside, absorption tower; The first size delivery device is arranged on and on pipeline, slurries is delivered to the first spraying layer.
Further, the slurries in the first slurry pool are gypsum slurries.
Further, the first size delivery device is slurry circulating pump.
Further, also comprise the second slurry pool, the second slurry pool is arranged on the bottom on absorption tower, communicates, and the second size delivery device is installed on pipeline slurries are circulated between the first slurry pool and the second slurry pool by pipeline with the first slurry pool that is positioned at outside, absorption tower.
Further, the slurries in the second slurry pool are gypsum slurries.
Further, the second size delivery device is slurry circulating pump.
Further, wet-esp system comprises positive plate, cathode line, the second spraying layer, cistern and water conveying device; Positive plate and cathode line are arranged on and in absorption tower, form electric field region, and the second spraying layer is also arranged in absorption tower, and are positioned on electric field region; The second spraying layer communicates with the cistern that is positioned at outside, absorption tower by pipeline; Water conveying device is arranged on and on pipeline, water is delivered to the second spraying layer.
Further, water conveying device is water circulating pump.
Further, in positive plate bottom, arrange tank.
Adopt after such scheme, the utility model is arranged on wet desulfurization system and wet-esp system in absorption tower, and wet-esp system is positioned at wet desulfurization system top, wet desulfurization system and wet-esp system vertical direction layout, the overall structure of smoke gas treatment system is simplified, reduced construction material, system takes up room, and reduced construction cost, and desulfurization and dedusting is effective.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Label declaration
Clean exhanst gas outlet 12 wet desulfurization systems 2
The first spraying layer 21 first slurry pools 22
The first size delivery device 23 second slurry pools 24
The second size delivery device 25 wet-esp systems 3
The second spraying layer 33 cisterns 34
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in detail.
Consult shown in Fig. 1, a kind of wet method sulphur removing and dust removing integrated apparatus that the utility model discloses, comprises absorption tower 1, wet desulfurization system 2 and wet-esp system 3.
1 bottom, absorption tower arranges gas approach 11, and 1 top, absorption tower arranges clean exhanst gas outlet 12.Wet desulfurization system 2 and wet-esp system 3 are arranged in absorption tower 1, and wet-esp system 3 is positioned at wet desulfurization system 2 tops.
Wherein, wet desulfurization system 2 comprises the first spraying layer 21, the first slurry pool 22 and the first size delivery device 23.
The first spraying layer 21 is arranged in absorption tower 1, by pipeline, communicate with the first slurry pool 22 that is positioned at 1 outside, absorption tower, the slurries in the first slurry pool 22 are gypsum slurries, can be other akaline liquid, the first size delivery device 23 is slurry circulating pump, can be other.The first size delivery device 23 is arranged on and on pipeline, slurries is delivered to the first spraying layer 21.
Wet-esp system 3 comprises positive plate 31, cathode line 32, the second spraying layer 33, cistern 34 and water conveying device 35.
When the utility model is used, after flue gas enters absorption tower 1, toward absorption tower 1, flow above, first, through the first spraying layer 21, pass through gypsum slurries spraying layer, absorb SO
2and SO
3deng after, flue gas arrives the electric field channel region that positive plate 31 and cathode line 32 form again, is the second spraying layer 33 above electric field passage, dust and droplet can be absorbed on positive plate 31, last, clean flue gas enters clean exhanst gas outlet 12.
The cistern 34 of 1 outside, absorption tower is communicated with the second spraying layer 33 of 1 inside, absorption tower by water circulating pump, constantly supplement shower water, the second spraying layer 33 forms complete, continuous moisture film on positive plate 31 surfaces, moisture film flows down along pole plate, by the tank (not shown) that is arranged on positive plate 31 bottoms, collected, tank is connected to the drainage of 1 outside, absorption tower by pipeline, the water that positive plate 31 bottom tanks are collected is drained.Because water magnitude of recruitment in the second slurry pool 24 of wet desulphurization is larger, therefore the shower water of wet-esp system 3 also can flow directly into the second slurry pool 24 of 1 bottom, absorption tower, serve as slurry makeup water, if adopt this design just to not be used in positive plate 31 bottoms, arrange tank.
The foregoing is only preferred embodiment of the present utility model, the not restriction to this case design, all equivalent variations of doing according to the design key of this case, all fall into the protection domain of this case.
Claims (10)
1. a wet method sulphur removing and dust removing integrated apparatus, is characterized in that: comprise absorption tower, wet desulfurization system and wet-esp system; Bottom, absorption tower arranges gas approach, and top, absorption tower arranges clean exhanst gas outlet; Wet desulfurization system and wet-esp system are arranged in absorption tower, and wet-esp system is positioned at wet desulfurization system top.
2. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 1, is characterized in that: wet desulfurization system comprises the first spraying layer, the first slurry pool and the first size delivery device; The first spraying layer is arranged in absorption tower, by pipeline, communicates with the first slurry pool that is positioned at outside, absorption tower; The first size delivery device is arranged on and on pipeline, slurries is delivered to the first spraying layer.
3. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 2, is characterized in that: the slurries in the first slurry pool are gypsum slurries.
4. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 2, is characterized in that: the first size delivery device is slurry circulating pump.
5. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 2, it is characterized in that: also comprise the second slurry pool, the second slurry pool is arranged on the bottom on absorption tower, by pipeline, communicate with the first slurry pool that is positioned at outside, absorption tower, and the second size delivery device is installed on pipeline slurries are circulated between the first slurry pool and the second slurry pool.
6. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 5, is characterized in that: the slurries in the second slurry pool are gypsum slurries.
7. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 5, is characterized in that: the second size delivery device is slurry circulating pump.
8. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 1, is characterized in that: wet-esp system comprises positive plate, cathode line, the second spraying layer, cistern and water conveying device; Positive plate and cathode line are arranged on and in absorption tower, form electric field region, and the second spraying layer is also arranged in absorption tower, and are positioned on electric field region; The second spraying layer communicates with the cistern that is positioned at outside, absorption tower by pipeline; Water conveying device is arranged on and on pipeline, water is delivered to the second spraying layer.
9. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 8, is characterized in that: water conveying device is water circulating pump.
10. a kind of wet method sulphur removing and dust removing integrated apparatus as claimed in claim 8, is characterized in that: in positive plate bottom, arrange tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635139.4U CN203564959U (en) | 2013-10-15 | 2013-10-15 | Wet desulphurization-dust extraction integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320635139.4U CN203564959U (en) | 2013-10-15 | 2013-10-15 | Wet desulphurization-dust extraction integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203564959U true CN203564959U (en) | 2014-04-30 |
Family
ID=50532723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320635139.4U Expired - Fee Related CN203564959U (en) | 2013-10-15 | 2013-10-15 | Wet desulphurization-dust extraction integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203564959U (en) |
-
2013
- 2013-10-15 CN CN201320635139.4U patent/CN203564959U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140430 Termination date: 20201015 |