CN208406609U - A kind of dry fume processing desulfation dust-extraction device - Google Patents
A kind of dry fume processing desulfation dust-extraction device Download PDFInfo
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- CN208406609U CN208406609U CN201820923961.3U CN201820923961U CN208406609U CN 208406609 U CN208406609 U CN 208406609U CN 201820923961 U CN201820923961 U CN 201820923961U CN 208406609 U CN208406609 U CN 208406609U
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- dust
- extraction device
- reaction zone
- dry fume
- flue gas
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Abstract
The utility model discloses a kind of dry fumes to handle desulfation dust-extraction device, including smoke inlet, and smoke inlet is equipped with feeding spray gun, and smoke inlet, which is connected with, accelerates charged system, and charged system is accelerated to be connected with reaction zone；It is described that charged system is accelerated to include fixed device, acceleration charge unit is fixed on fixed device, the acceleration charge unit includes venturi accelerating tube, and venturi accelerating tube is connected with discharge electrode, and discharge electrode makes the flue gas electrification accelerated by venturi accelerating tube enter reaction zone；Anode recovery tube is equipped with inside the reaction zone, anode recovery tube is equipped with rapping apparatus, and the reaction zone bottom is equipped with dust and collects conveying device, and reaction zone exports the flue gas by processing, dedusting outward.
Description
Technical field
The utility model belongs to field of fume treatment equipment, more particularly to a kind of dry fume processing desulfurization and dedusting dress
It sets.
Background technique
Fume treatment auxiliary be poisonous and harmful substance contained in flue gas is effectively treated to normal concentration, and
Equipment should be avoided and generate the bad phenomenons such as corrosion or obstruction, generally comprise cleaner, desulphurization plant, denitration device etc..Flue gas
The method of processing has very much, but it respectively has advantage and disadvantage.Using dry method to fume treatment, since it is without the help of aqueous medium, cigarette
Temperature degree is high, is conducive to chimney exhaust diffusion, can not generate white cigarette, have the advantage of complete " taking off white ".But its reaction effect
Rate is lower, and dust removal requirement is high, the installation of equipment, high operation requirements.In order to using the advantages of dry process simultaneously eliminate its disadvantage,
The utility model proposes a kind of dry fumes to handle desulfation dust-extraction device.
Utility model content
To solve the above problems, the utility model provides a kind of dry fume processing desulfation dust-extraction device.
The utility model is achieved by the following technical solution:
A kind of dry fume processing desulfation dust-extraction device, including smoke inlet, smoke inlet are equipped with feeding spray gun, flue gas
Entrance, which is connected with, accelerates charged system, and charged system is accelerated to be connected with reaction zone；It is described that charged system is accelerated to include fixed device,
Acceleration charge unit is fixed on fixed device, the acceleration charge unit includes venturi accelerating tube, and venturi accelerating tube connects
It is connected to discharge electrode, discharge electrode makes the flue gas electrification accelerated by venturi accelerating tube enter reaction zone；It is set inside the reaction zone
There is an anode recovery tube, the reaction zone bottom is equipped with dust and collects conveying device, and reaction zone export outward by handling, dedusting
Flue gas.
Further to improve, the acceleration charge unit has multiple, is uniformly distributed on the securing means.
Further to improve, the venturi accelerating tube connects discharge electrode by insulation tube.
Further to improve, the dust collects conveying device and is equipped with ash bucket, the anode recovery tube be located at ash bucket just on
Side.
It is further to improve, direction of the anode recovery tube perpendicular to flue gas stream.
It is further to improve, it is equipped with feed back spray gun in the front for accelerating charged system, feed back spray gun and dust, which are collected, to be conveyed
Device connection；Feed back spray gun makes dust collect the flue dust that conveying device is collected and enters reaction zone again by the charged system of acceleration,
It is reacted again.
It is further to improve, the dry fume processing desulfation dust-extraction device include multiple groups it is concatenated accelerate charged system,
Reaction zone and dust collect conveying device, make flue gas by multiple processing and dedusting.
Further to improve, dry fume processing desulfation dust-extraction device end is equipped with sack cleaner.
Further to improve, the dry fume processing desulfation dust-extraction device is additionally provided with desulfurizing agent's feeding system, desulfurizing agent
Feeding system includes desulfurizing agent storehouse and automatic gauge charging gear, and desulfurizing agent storehouse is connect with feeding spray gun, automatic gauge feed dress
Set the feeding coal according to reactiveness adjust automatically feeding spray gun.
A kind of dry fume processing desulfurization and dust-removal method, includes the following steps:
Step 1) desulfurizing agent is sprayed into the flue gas for needing to carry out desulfurization and dedusting；
Step 2) flow velocity of flue gas accelerates to 10m/s or more by venturi accelerator, it is then passed through discharge electrode, into anti-
Answer area；
Step 3) flue gas desulfurization under the action of desulfurizing agent, then by anode recovery tube to flue gas ash removal.
Compared with prior art, the utility model has the advantage that
The dry fume of the utility model handles desulfation dust-extraction device, by reactions such as desulfurization in conjunction with dedusting, has dedusting
It is high-efficient, the features such as system resistance is small, occupied area is small, small investment, operating cost are low, simple and convenient operation and maintenance, extremely suitable super
Only the environmental requirement discharged is provided simultaneously with the advantage of complete " taking off white ", solves the disadvantage that existing dry process, dedusting, can
To be applicable in a variety of powdery desulfurization materials, run steadily in the long term under being required guaranteeing state environmental emissioning standard.
Detailed description of the invention
Fig. 1 is 1 cross-sectional view of embodiment；
Fig. 2 is 1 reaction zone top view of embodiment；
Fig. 3 is to accelerate charge unit schematic diagram.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, and make the upper of the utility model
It states feature, purpose and advantage and is more clear understandable, explanation is further explained to the utility model now in conjunction with embodiment, should be referred to
Out, all embodiments listed here are merely illustrative, are not meant to be defined the scope of the utility model.
Embodiment 1:
A kind of dry fume as shown in Figs. 1-3 handles desulfation dust-extraction device, including smoke inlet 1, sets on smoke inlet 1
There is feeding spray gun 2, smoke inlet 1, which is connected with, accelerates charged system, and charged system is accelerated to be connected with reaction zone；The acceleration is charged
System includes fixed device, is fixed on fixed device and accelerates charge unit 4, the acceleration charge unit 4 adds including venturi
Fast pipe 401, venturi accelerating tube connect discharge electrode 402 by insulation tube 403.Discharge electrode 402 makes by venturi accelerating tube 401
The flue gas electrification of acceleration enters reaction zone；The acceleration charge unit 4 has multiple, is uniformly distributed on the securing means.Flue gas is dry
Method handles desulfation dust-extraction device and is equipped with the high voltage power supply 5 for being used for power supply.
Anode recovery tube 10 is equipped with inside the reaction zone, the reaction zone bottom is equipped with dust and collects conveying device, instead
Area is answered to export the flue gas by processing, dedusting outward.The dust collects conveying device and is equipped with ash bucket 11, the anode recovery tube
10 are located at 11 right above ash bucket, direction of the anode recovery tube 10 perpendicular to flue gas stream.Anode recovery tube is equipped with deashing
Rapping apparatus 6.
It is equipped with feed back spray gun in the front for accelerating charged system, feed back spray gun is collected conveying device with dust and connect；Feed back
Spray gun 3 makes dust collect the flue dust that conveying device is collected and enters reaction zone again by the charged system of acceleration, is reacted again.
Dry fume processing desulfation dust-extraction device, which includes that multiple groups are concatenated, accelerates charged system, reaction zone and dust collection defeated
Device is sent, makes flue gas by multiple processing and dedusting.As shown, having used the charged system of 3 groups of acceleration, anti-in the present embodiment
Area and dust is answered to collect conveying device, wherein 1# ash-transmission system, 2# ash-transmission system and 3# ash-transmission system respectively lead to the ash of collection
It crosses the first feed back spray gun 3, the second feed back spray gun 7 and third feed back spray gun 8 and is transmitted back to reaction zone, participate in reaction again.
Dry fume processing desulfation dust-extraction device end is equipped with sack cleaner 9, is further removed to flue gas
Dirt.4# ash-transmission system and 5# ash-transmission system are arranged at 9 bottom of sack cleaner, and the flue dust of collection is transported to desulfurizing byproduct storehouse.
The dry fume processing desulfation dust-extraction device can separately set desulfurizing agent's feeding system, and desulfurizing agent's feeding system includes
Desulfurizing agent storehouse and automatic gauge charging gear, desulfurizing agent storehouse are connect with feeding spray gun, and automatic gauge charging gear is according to reaction shape
The feeding coal of state adjust automatically feeding spray gun.
By taking dry desulfurization as an example, the workflow of the utility model is that desulfurizing agent enters smoke inlet by feeding spray gun,
It mixes with flue gas and accelerates using venturi, flue gas flow rate is made to be greater than 10m/s, desulfurizing agent high speed flows through venturi accelerator and puts
The high-pressure electrostatic corona zone that electrode generates, makes desulfurizing agent obtain powerful electrostatic charge, when desulfurizing agent by venturi accelerator and
When the jet pipe of discharge electrode is injected into flue gas stream, due to sorbent particle all band same symbol charges, in repulsive interaction
Under spread in flue gas quickly, while be sufficiently exposed to the surface of each desulfurizing agent particle in flue gas, come into full contact with SO2
The chance reacted completely is considerably increased, desulfuration efficiency greatly improves.And desulfurizing agent particle makes the work of desulfurizing agent after charged
Property enhancing, shorten the time that same SO2 reacts completely, can generally be reacted completely in 2s or so, effectively raise desulfurization effect
Rate.
Reaction recyclable device includes feed back reaction zone, anode recovery tube, dedusting and flapping device, the desulfurization by-product of primary recycling
Object and the desulfurizing agent not reacted completely are injected to feed back reaction zone through material return system, participate in reaction process again, in reaction zone
The particle of electrification is adsorbed on the little particle of penetrating on the surface of oneself, forms larger particles, the average grain diameter of grit is big in flue gas
It is big to increase, then anode recovery tube is blown to flue gas, direction of the anode recovery tube perpendicular to flue gas stream, electrification in flue gas
Grain is adsorbed by anode recovery tube, while anode recovery tube changes the flow direction of most of air-flow, improves treatment effect, by
Dedusting and flapping device timing carries out deashing to anode recovery tube, and product lower clearly drops into lower part ash bucket, then by feed back injection system
System is transported to feed back reaction zone or discharge.
Feed back spraying system and the configuration of desulfurizing agent spraying system are essentially identical, and the material of what preceding recycling is sprayed through feed back is
System sprays into feed back reaction zone, and secondary response, the feed back spraying system of afterbody return to desulfurizing byproduct instead according to response situation again
Area is answered secondary response or to be directly discharged into again to designated place, the flue gas after desulfurization is using passing through chimney after sack cleaner dedusting
It is discharged into atmosphere, flue gas SO after processing2Concentration is less than 30mg/Nm3, dust concentration is less than 5mg/Nm3, flue gas emission index is complete
Meet national requirements for environmental protection.
Claims (9)
1. a kind of dry fume handles desulfation dust-extraction device, including smoke inlet, smoke inlet is equipped with feeding spray gun, and flue gas enters
Mouth, which is connected with, accelerates charged system, and charged system is accelerated to be connected with reaction zone；It is described that charged system is accelerated to include fixed device, Gu
Determine to be fixed with acceleration charge unit on device, the acceleration charge unit includes venturi accelerating tube, the connection of venturi accelerating tube
There is discharge electrode, discharge electrode makes the flue gas electrification accelerated by venturi accelerating tube enter reaction zone；It is equipped with inside the reaction zone
Anode recovery tube, anode recovery tube are equipped with rapping apparatus, and the reaction zone bottom is equipped with dust and collects conveying device, reaction zone
Flue gas of the output by processing, dedusting outward.
2. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that described to accelerate charged list
Member has multiple, is uniformly distributed on the securing means.
3. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that the venturi accelerates
Pipe connects discharge electrode by insulation tube.
4. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that the dust is collected defeated
Device is sent to be equipped with ash bucket, the anode recovery tube is located at right above ash bucket.
5. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that the anode recovery tube
Perpendicular to the direction of flue gas stream.
6. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that accelerating charged system
Front be equipped with feed back spray gun, feed back spray gun and dust collection conveying device are connect；Feed back spray gun makes dust collect conveying device
The flue dust of collection is reacted again again by accelerating charged system to enter reaction zone.
7. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that at the dry fume
Reason desulfation dust-extraction device, which includes that multiple groups are concatenated, accelerates charged system, reaction zone and dust to collect conveying device, passes through flue gas
Multiple processing and dedusting.
8. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that at the dry fume
It manages desulfation dust-extraction device end and is equipped with sack cleaner.
9. a kind of dry fume as described in claim 1 handles desulfation dust-extraction device, which is characterized in that at the dry fume
Reason desulfation dust-extraction device is additionally provided with desulfurizing agent's feeding system, and desulfurizing agent's feeding system includes desulfurizing agent storehouse and automatic gauge feed dress
It sets, desulfurizing agent storehouse is connect with feeding spray gun, and automatic gauge charging gear is according to the feed of reactiveness adjust automatically feeding spray gun
Amount.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820923961.3U CN208406609U (en) | 2018-06-14 | 2018-06-14 | A kind of dry fume processing desulfation dust-extraction device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820923961.3U CN208406609U (en) | 2018-06-14 | 2018-06-14 | A kind of dry fume processing desulfation dust-extraction device |
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| CN208406609U true CN208406609U (en) | 2019-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499352A (en) * | 2018-06-14 | 2018-09-07 | 孙朔 | A kind of dry fume processing desulfation dust-extraction device and method |
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2018
- 2018-06-14 CN CN201820923961.3U patent/CN208406609U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499352A (en) * | 2018-06-14 | 2018-09-07 | 孙朔 | A kind of dry fume processing desulfation dust-extraction device and method |
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