CN201108800Y - Girdle type dust removal desulfurization unit - Google Patents
Girdle type dust removal desulfurization unit Download PDFInfo
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- CN201108800Y CN201108800Y CNU2007200086417U CN200720008641U CN201108800Y CN 201108800 Y CN201108800 Y CN 201108800Y CN U2007200086417 U CNU2007200086417 U CN U2007200086417U CN 200720008641 U CN200720008641 U CN 200720008641U CN 201108800 Y CN201108800 Y CN 201108800Y
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- flue gas
- tower
- circulation passage
- gas circulation
- outlet
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Abstract
The utility model discloses a belt-typed dust separation and desulfurization device, which comprises a tower dust collector, a flue gas inlet arranged at the lower part of the tower, a fuel gas outlet arranged at the upper part of the tower, and a desulfurization device which comprises a ring-shaped fuel gas circulation channel with a fuel gas inlet end and a fuel gas outlet; a nozzle is arranged at the upper part of the fuel gas circulation channel and is communicated with the desulfurization solution supply equipment; the fuel gas circulation channel which is arranged at the periphery of the tower dust collector is communicated with the inlet pore of the tower dust collector. The belt-typed dust separation and desulfurization device has the advantages that: owing to the separated undertaking of dust removal and desulfurization, the phenomenon of ash collection and nozzle clogging can not occur in the whole process; because the device is simple in structure, the existing tower dust collector is conveniently changed, the investment is few, the installation and the maintenance are convenient, and the desulfurization and dust removal effect is good. The device is suitable for the industrial boilers and kilns with high sulfur dioxide emission concentration.
Description
Technical field
The utility model relates to a kind of dust arrester, particularly a kind of belt type dust-removing desulfurating apparatus.
Background technology
Contain a large amount of dust and sulfur dioxide in the gas that various Industrial Boilers are discharged.Effectively dust and the sulfur dioxide of removing in the emission gases all is the emphasis of atmosphere pollution all the time.What adopt usually at present is the granite water film dust device: mainly partly be made up of columnar housing, nozzle, ash discharging hole etc.Flue gas enters with the high speed tangential direction from the cylindrical shell bottom, along barrel rotation and on, and nozzle is evenly sprayed water along barrel shell top tangent to periphery direction, when the barrel shell inwall forms moisture film, because centrifugal action, flue dust is thrown to barrel, and is clung the back by moisture film and flow into the taper ash bucket with moisture film and discharge to purify flue gas by ash discharging hole and then discharge from housing top.
The operation principle of water dust scrubber is to rely on action of centrifugal force that the heavy grain in the flue dust is got rid of to the moisture film wall, and the water under being continued to flow by sidewall washes away, thereby removes grit.But because the running route of flue gas in housing is shorter, deficiency is so that sulfur in smoke fully reaction in housing, so the desulfurized effect of existing granite duster is relatively poor, still can't reach national environmental protection separation of flow emission standards, desulfurization and dedusting owing to this device all carries out in a tower body simultaneously, dust in flue gas is bonded in the tower easily, thereby cause spray nozzle clogging easily, influence desulfurized effect, humidity is excessive in the flue gas after causing the most at last handling, thereby cause air-introduced machine band water, cause air-introduced machine to damage.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art part and a kind of dedusting, belt type desulfation dust-extraction device that desulfurized effect is good, simple in structure is provided.
The purpose of this utility model realizes by following approach.
A kind of belt type dust-removing desulfurating apparatus, comprise tower shape deduster, the bottom of tower is provided with smoke air inlet, be provided with the flue gas gas outlet on the top of tower, its structural feature is: described dust-removing desulfurating apparatus also is provided with desulfurizer, described desulfurizer comprises the flue gas circulation passage of annular, the flue gas circulation passage has smoke inlet end and smoke outlet, top at the flue gas circulation passage is provided with shower nozzle, shower nozzle is connected with the doctor solution supply equipment, the outlet of described flue gas circulation passage is connected with the air inlet of tower shape deduster, described flue gas circulation passage is positioned at the periphery of tower shape deduster tower body, be provided with one or more than one outlet in the bottom of flue gas circulation passage, outlet is provided with sealing device.
The utility model directly is provided with desulfurizer in the tower body periphery of tower shape deduster, because desulfurizer has the exhaust gases passes of annular, the structure that therefore can make full use of tower body is provided with the flue gas circulation passage, so just can directly on the basis of existing tower shape deduster, transform, has small investment, installation and maintenance is convenient, the advantage that maintenance cost is low; Simultaneously because desulfurization and dedusting are separated, therefore just be not easy to collect the phenomenon of ash and spray nozzle clogging in the desulfurization and dedusting process, and, therefore can improve desulfurized effect greatly, to reach national standard limit of smog release because it has prolonged the travel time of flue gas in device.
Flue gas circulation passage one sidewall of described desulfurizer is the tower wall of tower shape deduster just.
Directly utilize the sidewall of the tower wall of tower shape deduster as desulfurizer flue gas circulation passage, so just can reduce the floor space of this dust arrester to greatest extent, and then reduction cost of investment, simultaneously also make this desulfation dust-extraction device be highly suitable for transformation to existing tower shape deduster, little to obtain investment, the good result that operating cost is low, it changes little to existing deduster, can utilize between the dust arrester the position, space carry out.
Be arranged at the shower nozzle on flue gas circulation passage top or be arranged at the top of flue gas circulation passage or be arranged at the sidewall of flue gas circulation passage, or be arranged at simultaneously on the top and sidewall of flue gas circulation passage.
In the flue gas circulation passage of desulfurizer, be provided with deflector, described deflector be upper and lower dislocation arrange be arranged in the upper and lower surface of flue gas circulation passage, deflector protrudes towards the upper and lower surface of flue gas circulation passage respectively.
In the flue gas circulation passage deflector is set, prolong smoke is in the running time of flue gas circulation passage greatly, and flue gas is fully contacted with desulfurizing agent, to improve desulfurized effect.
Smoke inlet end at the flue gas circulation passage of desulfurizer also is provided with gas wash tower, described gas wash tower is divided into saturated chamber and the dirt pocket that links to each other up and down, top in saturated chamber is provided with smoke air inlet, be provided with the gas outlet that is connected with the smoke inlet end of the flue gas circulation passage of desulfurizer in the bottom of dirt pocket, bottom at dirt pocket also is provided with the outlet that has sealing device, saturated chamber interior on gas wash tower top is equipped with several atomizers, be provided with deduster in the dirt pocket of its underpart, the bottom of saturated chamber is connected with the top of dirt pocket.
The gas wash tower of flue gas through being arranged at desulfurizing tower flue gas circulation passage arrival end that enters in the desulfurizing tower carried out pre-dedusting, can reduce the effect of flue-gas temperature, avoid the too high damage dust-removal and desulfurizing of flue-gas temperature equipment, simultaneously also play certain dedusting and desulfurized effect, improved next step operating efficiency and effect.
Deduster in the described gas wash tower dirt pocket is a venturi scrubber, in the throat of venturi scrubber the feed flow shower nozzle is housed.
Described shower nozzle is a spiral nozzle.
Described tower shape deduster or be gallet water curtain dust collector or for cyclone dust collectors.
Described outlet is the hydrolock outlet.
In sum, the utility model has following advantage compared to existing technology:
Therefore the utility model can not collect the phenomenon of ash, spray nozzle clogging because dedusting, desulfurization are separately carried out in whole process; The utility model is simple in structure simultaneously, and is very convenient to existing tower cleaner reform, small investment, and installation and maintenance is all very convenient, and desulfurization and dedusting is effective, is applicable to flue dust and higher Industrial Boiler and the kiln of sulfur dioxide emissioning concentration.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment
Fig. 2 is the A-A cutaway view of Fig. 1
Shower nozzle in outlet 324 dedusters 325 dedusters of the 323 dirt pockets bottom, gas outlet of air inlet 32 dirt pockets 321 dirt pockets at the top, saturated chamber 311, deflector 3 gas wash towers saturated chamber 31 of the outlet 215 flue gas circulation passages of the shower nozzle 214 flue gas circulation passages bottom on the flue gas circulation passage 211 flue gas circulation passage arrival ends 212 flue gas circulation passage ports of export 213 flue gas circulation passages of label declaration 1 tower shape deduster 11 smoke air inlets 12 flue gas gas outlets 2 desulfurizers, 21 desulfurizers
The specific embodiment
Below in conjunction with embodiment the utility model is described in more detail.
A kind of belt type dust-removing desulfurating apparatus as shown in Figure 1, 2 comprises tower shape formula deduster 1, desulfurizer 2 and gas wash tower 3.Described tower shape formula deduster is a gallet water curtain dust collector, described desulfurizer comprises flue gas circulation passage 21, described flue gas circulation passage is the flue gas circulation passage of annular, the flue gas circulation passage is set directly at the tower body periphery of gallet water curtain dust collector, with the shared wall of the tower body of water dust scrubber.Simultaneously be provided with a plurality of feed flow shower nozzles 213 that is connected with desulfurizing agent with side wall upper part at the top of flue gas circulation passage, in the flue gas circulation passage, also be provided with deflector 215, the upper and lower respectively dislocation of described deflector is arranged in the upper and lower surface of flue gas circulation passage, and upper and lower distribution deflector is distinguished down, the upper surface projection.The smoke outlet 212 of the flue gas circulation passage of separation of flow device is connected with the smoke air inlet 11 of water film type duster.Described gas wash tower 3 comprises dirt pocket 32 and saturated chamber 31, dirt pocket is positioned at the top of saturated chamber, saturated chamber is positioned at the top of dirt pocket, the top of saturated chamber is provided with smoke air inlet 311, be provided with the flue gas gas outlet 321 that is connected with the smoke inlet end 211 of the flue gas circulation passage of desulfurizer in the bottom of dirt pocket, at the saturated indoor atomizer 325 that is provided with several, in dirt pocket, be provided with venturi scrubber 324, be provided with shower nozzle in the throat of venturi scrubber.In the bottom of the flue gas circulation passage of above-mentioned desulfurizing tower, be provided with the outlet 214,323 that is used for ash discharge, draining in the bottom of the dirt pocket of gas wash tower and the tower body bottom of water dust scrubber.
In use, the flue gas of sulfur-bearing dust-laden enters saturated chamber by the smoke air inlet at top, the saturated chamber of gas wash tower, the atomizing spiral nozzle that is equipped with on the saturated chamber interior walls spreads to absorbent in the flue gas with small droplet-like, absorption liquid is fully contacted with flue gas, also play simultaneously the effect that reduces flue-gas temperature, avoided the too high damage dust-removal and desulfurizing of flue-gas temperature equipment.Flue gas through humidification, cooling enters venturi scrubber by bottom, saturated chamber, because reducing gradually of the sectional area of air flue, gas flow rate increases gradually, flue gas is in venturi scrubber and under the impact of absorbent high-velocity fluid, atomized rapidly and collided with dust in flue gas, realize the capture of dust, also absorbed the sulfur dioxide of part in the flue gas simultaneously.The absorbent that contains a large amount of dust falls into the gas wash tower bottom under the effect of gravity, and is discharged by the hydrolock outlet of bottom, enter ash settling basin, through behind the gas wash tower, the most of dust in the flue gas is captured, part sulfur dioxide is neutralized, and can avoid spray nozzle clogging in the desulfurizing tower.Enter the gas approach of desulfurizing tower bottom behind the exhanst gas outlet process exhaust gases passes of cigarette newspaper by the gas wash tower bottom, and enter desulfurizing tower along tower wall tangential direction, rotation and moving up and down in the belt type desulfurizing tower produces water smoke at the absorbent that is passing high-efficient atomizing spiral nozzle spray.Flue gas continues to rise and enters gallet water curtain dust collector, and rotation is strengthened, thereby has increased flue gas at tower inside spin upward stroke, has increased the time of contact of flue gas and desulfurizing agent.Dust in flue gas is discharged from the hydrolock outlet of bottom at the bottom of former water dust scrubber and moisture film wall run underneath to tower.
It is same as the prior art that present embodiment is not stated part.
Claims (9)
1. belt type dust-removing desulfurating apparatus, comprise tower shape deduster (1), the bottom of tower is provided with smoke air inlet (12), be provided with flue gas gas outlet (12) on the top of tower, it is characterized in that: described dust-removing desulfurating apparatus also is provided with desulfurizer (2), described desulfurizer comprises the flue gas circulation passage (21) of annular, the flue gas circulation passage has smoke inlet end (211) and smoke outlet (212), be provided with shower nozzle (213) on the top of flue gas circulation passage, shower nozzle is connected with the doctor solution supply equipment, the outlet of described flue gas circulation passage is connected with the air inlet (11) of tower shape deduster, described flue gas circulation passage is positioned at the periphery of tower shape deduster tower body, bottom at flue gas stream circulation road is provided with one or more than one outlet (214), and outlet is provided with sealing device.
2. belt type dust-removing desulfurating apparatus according to claim 1 is characterized in that: flue gas circulation passage one sidewall of described desulfurizer just is the tower wall of tower shape deduster.
3. belt type dust-removing desulfurating apparatus according to claim 2, it is characterized in that: be arranged at the shower nozzle (213) on flue gas circulation passage top or be arranged at the top of flue gas circulation passage or be arranged at the sidewall of flue gas circulation passage, or be arranged at simultaneously on the top and sidewall of flue gas circulation passage.
4. belt type dust-removing desulfurating apparatus according to claim 3, it is characterized in that: in the flue gas circulation passage of desulfurizer, be provided with deflector (215), described deflector be upper and lower dislocation arrange be arranged in the upper and lower surface of flue gas circulation passage, deflector protrudes towards the upper and lower surface of flue gas circulation passage respectively.
5. belt type dust-removing desulfurating apparatus according to claim 4, it is characterized in that: the smoke inlet end at the flue gas circulation passage of desulfurizer also is provided with gas wash tower (3), described gas wash tower is divided into the saturated chamber (31) and dirt pocket (32) that links to each other up and down, be provided with smoke air inlet (311) at the top of saturated chamber, be provided with the gas outlet (321) that is connected with the smoke inlet end (211) of the flue gas circulation passage of desulfurizer in the bottom of dirt pocket, also be provided with the outlet (323) that has sealing device in the bottom of dirt pocket, saturated chamber interior on gas wash tower top is equipped with several atomizers, be provided with deduster (324) in the dirt pocket of its underpart, the bottom of saturated chamber is connected with the top of dirt pocket.
6. belt type dust-removing desulfurating apparatus according to claim 5 is characterized in that: the deduster in the described gas wash tower dirt pocket is a venturi scrubber, in the throat of venturi scrubber feed flow shower nozzle (325) is housed.
7. belt type dust-removing desulfurating apparatus according to claim 6 is characterized in that: described shower nozzle is a spiral nozzle.
8. according to any one described belt type dust-removing desulfurating apparatus of claim 1 to 7, it is characterized in that: described tower shape deduster or for gallet water curtain dust collector or for cyclone dust collectors.
9. belt type dust-removing desulfurating apparatus according to claim 8 is characterized in that: described outlet is the hydrolock outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200086417U CN201108800Y (en) | 2007-11-01 | 2007-11-01 | Girdle type dust removal desulfurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200086417U CN201108800Y (en) | 2007-11-01 | 2007-11-01 | Girdle type dust removal desulfurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201108800Y true CN201108800Y (en) | 2008-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200086417U Expired - Fee Related CN201108800Y (en) | 2007-11-01 | 2007-11-01 | Girdle type dust removal desulfurization unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201108800Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068871A (en) * | 2010-11-23 | 2011-05-25 | 桂林市宏发环保设备工程有限公司 | Granite flue gas desulfurization dust collector with combined Venturi and backwashing water distributor |
| CN104607035A (en) * | 2015-01-10 | 2015-05-13 | 长兴鑫宇耐火材料有限公司 | Refractory kiln waste gas treating device |
| CN105688559A (en) * | 2016-04-15 | 2016-06-22 | 广西农垦糖业集团良圻制糖有限公司 | Powdered sugar collection device for sugarcane sugar factories |
-
2007
- 2007-11-01 CN CNU2007200086417U patent/CN201108800Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068871A (en) * | 2010-11-23 | 2011-05-25 | 桂林市宏发环保设备工程有限公司 | Granite flue gas desulfurization dust collector with combined Venturi and backwashing water distributor |
| CN102068871B (en) * | 2010-11-23 | 2013-02-13 | 桂林市宏发环保设备工程有限公司 | Granite flue gas desulfurization dust collector with combined Venturi and backwashing water distributor |
| CN104607035A (en) * | 2015-01-10 | 2015-05-13 | 长兴鑫宇耐火材料有限公司 | Refractory kiln waste gas treating device |
| CN105688559A (en) * | 2016-04-15 | 2016-06-22 | 广西农垦糖业集团良圻制糖有限公司 | Powdered sugar collection device for sugarcane sugar factories |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080903 Termination date: 20091201 |