CN203990229U - A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle - Google Patents
A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle Download PDFInfo
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- CN203990229U CN203990229U CN201420441767.3U CN201420441767U CN203990229U CN 203990229 U CN203990229 U CN 203990229U CN 201420441767 U CN201420441767 U CN 201420441767U CN 203990229 U CN203990229 U CN 203990229U
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- subparticle
- chamber
- water conservancy
- conservancy diversion
- increase
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Abstract
The utility model discloses a kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle, comprise that smoke inlet, subparticle increase chamber and exhanst gas outlet, subparticle increases indoor top and is provided with supersonic generator, between smoke inlet and subparticle increase chamber, be provided with water conservancy diversion diffuser casing, increase between chamber and exhanst gas outlet and be provided with water conservancy diversion retract chamber at subparticle.Device of the present utility model, as the system of dusty gas deep purifying, is all suitable for industrial coal powder boiler, gas fired-boiler and coal-fired power station boiler.The advantage such as particle diameter, the difficulty that can reduce follow-up meticulous dedusting that apparatus structure is simple, easy to implement, effectively increase subparticle.
Description
Technical field
The utility model belongs to energy-conserving and environment-protective field, relates to dust arrester, is specifically related to a kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle.
Background technology
Regulation in " fossil-fuel power plant atmospheric pollutant emission standard " (GB13223-2011), general regional coal-burning boiler chimney soot emissions limit value 30mg/Nm3, key area coal-burning boiler chimney soot emissions limit value 20mg/Nm3, mercury and mercuric compounds pollutant emission limit 0.03mg/Nm3.
" key area prevention and control of air pollution " 12 " planning " is mentioned: " general control district is according to 30 milligrams of/cubic metre of standards; priority control district is according to 20 milligrams of/cubic metre of standards, and coal-fired unit that can not stably reaching standard to smoke dust discharge concentration carries out high-effective dust-removing transformation." by 2015, key area industry smoke-dust discharge capacity declined 10%; Pellet (PM10), the average annual concentration of fine particle (PM2.5) decline respectively 10%, 5%.
In the face of severe atmosphere pollution situation, because the particle diameter of the subparticle in dusty gas (PM2.5) is too small, the dedusting technology adopting at present: mechanical type dedusting (multi-tube dusting, bag-type dust etc.), water film dedusting, electric precipitation (dry electric precipitation, wet-esp) are unsatisfactory to the removal effect of subparticle (PM2.5).
Summary of the invention
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle, for follow-up dedusting reduces difficulty.
In order to address the above problem, the utility model adopts following technical scheme to be achieved:
A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle, comprise that smoke inlet, subparticle increase chamber and exhanst gas outlet, subparticle increases indoor top and is provided with supersonic generator, enters fine grained increase indoor subparticle for reuniting; Between smoke inlet and subparticle increase chamber, be provided with water conservancy diversion diffuser casing, water conservancy diversion diffuser casing, for making the flue gas entering from smoke inlet evenly spread and slow down, then enters subparticle and increases chamber; Increase between chamber and exhanst gas outlet and be provided with water conservancy diversion retract chamber at subparticle, water conservancy diversion retract chamber is even for making to increase from subparticle the flue gas flow field of indoor discharge, discharges from exhanst gas outlet.
The utility model also has following technical characterictic:
Described water conservancy diversion diffuser casing is bucking ladder shape or frustum, increases chamber direction bore and expand gradually from smoke inlet to subparticle, in water conservancy diversion diffuser casing, deflector is installed.
Described water conservancy diversion retract chamber is bucking ladder shape or frustum, increases chamber dwindle gradually to exhanst gas outlet direction bore from subparticle, in water conservancy diversion retract chamber, deflector is installed.
Proportionate relationship in the large end section of water conservancy diversion diffuser casing after proportionate relationship in the little end section of water conservancy diversion diffuser casing after diversed plate is cut apart between the area of each block and diversed plate are cut apart between the area of each block equates.
Proportionate relationship in the large end section of water conservancy diversion retract chamber after proportionate relationship in the little end section of water conservancy diversion retract chamber after diversed plate is cut apart between the area of each block and diversed plate are cut apart between the area of each block equates.
The utility model compared with prior art, has following technique effect:
Device of the present utility model, as the system of dusty gas deep purifying, is all suitable for industrial coal powder boiler, gas fired-boiler and coal-fired power station boiler.Apparatus structure is simple, easy to implement, effectively increase subparticle, the particle diameter of PM2.5, can reduce the advantages such as the difficulty of follow-up meticulous dedusting.
Brief description of the drawings
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the A-A cross section structure schematic diagram of water conservancy diversion diffuser casing in Fig. 1.
In figure, the implication of each label is: 1-smoke inlet, and 2-water conservancy diversion diffuser casing, 3-subparticle increases chamber, 4-water conservancy diversion retract chamber, 5-exhanst gas outlet, 6-supersonic generator.
Below in conjunction with drawings and Examples, particular content of the present utility model is explained in detail.
Detailed description of the invention
Below provide specific embodiment of the utility model, it should be noted that the utility model is not limited to following specific embodiment, all equivalents of doing on present techniques scheme basis all fall into protection domain of the present utility model.
Embodiment:
Defer to technique scheme, as depicted in figs. 1 and 2, the present embodiment has provided a kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle, comprise that smoke inlet 1, subparticle increase chamber 3 and exhanst gas outlet 5, the top that subparticle increases in chamber 3 is provided with supersonic generator 6, enters fine grained increase the subparticle in chamber 3 for reuniting; Between smoke inlet 1 and subparticle increase chamber 3, be provided with water conservancy diversion diffuser casing 2, water conservancy diversion diffuser casing 2 evenly spreads and slows down for the flue gas that makes to enter from smoke inlet 1, then enters subparticle and increases chamber 3; Increase between chamber 3 and exhanst gas outlet 5 and be provided with water conservancy diversion retract chamber 4 at subparticle, water conservancy diversion retract chamber 4 is even for making from the flue gas flow field of subparticle increase chamber 3 interior discharges, discharges from exhanst gas outlet 5.
Water conservancy diversion diffuser casing 2 is bucking ladder shape or frustum, increase chamber 3 direction bores expands gradually from smoke inlet 1 to subparticle, three deflector 2-1,2-2 and 2-3 are installed in water conservancy diversion diffuser casing 2, proportionate relationship in the large end section of water conservancy diversion diffuser casing 2 after proportionate relationship in the little end section of water conservancy diversion diffuser casing 2 after diversed plate 2-1,2-2,2-3 are cut apart between the area of each block and diversed plate 2-1,2-2,2-3 are cut apart between the area of each block equates, ensures the even diffusion of flue gas flow field.
Water conservancy diversion diffuser casing 2 is reduced to the flow velocity of ash-laden gas to be about 0.5m/s, and makes Flow Field Distribution coefficient of uniformity be greater than 3.0.
Water conservancy diversion retract chamber 4 is bucking ladder shape or frustum, increasing chamber 3 from subparticle dwindles gradually to exhanst gas outlet 5 direction bores, three deflector 4-1,4-2 and 4-3 are installed in water conservancy diversion retract chamber 4, proportionate relationship in the large end section of water conservancy diversion retract chamber 4 after proportionate relationship in the little end section of water conservancy diversion retract chamber 4 after diversed plate is cut apart between the area of each block and diversed plate are cut apart between the area of each block equates, ensures the even contraction of flue gas flow field.
Supersonic generator 6 proportions are 1500Hz, the supersonic generator that acoustic pressure grade is 150db.
It is the fiberglass making of 10mm that subparticle increase chamber 3 adopts thickness, and ash-laden gas increases in chamber 3 and is about 10s by the time at subparticle, and fine solid particle increases reunion increase in chamber 3 at subparticle, and can not smashed by ultrasonic wave because of overstand.
The course of work of the present utility model is as described below:
Before connecting fume, subparticle increase chamber 3 opens supersonic generator 6, connect after fume, high speed ash-laden gas enters water conservancy diversion diffuser casing 2 through smoke inlet 1, through the current-sharing guiding of deflector 2-1,2-2 and 2-3, flue gas evenly spreads deceleration, enters at subparticle and increases chamber 3 with the flow velocity of 0.5m/s left and right.Ash-laden gas uniform speed slow pass through subparticle increase chamber 3, the time of staying more than 10s, the subparticle in dusty gas, i.e. PM2.5, resonance reunite, thereby particle diameter increase.The ash-laden gas that subparticle particle diameter is reunited after increasing accesses exhanst gas outlet 5 through water conservancy diversion retract chamber 4 again.In water conservancy diversion retract chamber 4, be furnished with deflector 4-1,4-2 and 4-3, thereby ensure that flue gas flow field is even, the dust granules that particle diameter is reunited after increasing can not cause secondary to decompose because of violent turbulent flow.
Claims (5)
1. for a ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle, comprise that smoke inlet (1), subparticle increase chamber (3) and exhanst gas outlet (5), is characterized in that:
The top that subparticle increases in chamber (3) is provided with supersonic generator (6), enters fine grained increase the subparticle in chamber (3) for reuniting;
Between smoke inlet (1) and subparticle increase chamber (3), be provided with water conservancy diversion diffuser casing (2), water conservancy diversion diffuser casing (2) evenly spreads and slows down for the flue gas that makes to enter from smoke inlet (1), then enters subparticle and increases chamber (3);
Increase between chamber (3) and exhanst gas outlet (5) and be provided with water conservancy diversion retract chamber (4) at subparticle, water conservancy diversion retract chamber (4) is even for making to increase the flue gas flow field of discharging in chamber (3) from subparticle, discharges from exhanst gas outlet (5).
2. particulate reunion aggrandizement apparatus as claimed in claim 1, it is characterized in that: described water conservancy diversion diffuser casing (2) is bucking ladder shape or frustum, increase chamber (3) direction bore from smoke inlet (1) to subparticle and expand gradually, deflector (2-1,2-2,2-3) is installed in water conservancy diversion diffuser casing (2).
3. particulate reunion aggrandizement apparatus as claimed in claim 1, it is characterized in that: described water conservancy diversion retract chamber (4) is bucking ladder shape or frustum, increase chamber (3) from subparticle and dwindle gradually to exhanst gas outlet (5) direction bore, deflector (4-1,4-2,4-3) is installed in water conservancy diversion retract chamber (4).
4. particulate reunion aggrandizement apparatus as claimed in claim 2, is characterized in that: the proportionate relationship in the large end section of water conservancy diversion diffuser casing (2) after the proportionate relationship in the little end section of water conservancy diversion diffuser casing (2) after diversed plate (2-1,2-2,2-3) is cut apart between the area of each block and diversed plate (2-1,2-2,2-3) are cut apart between the area of each block equates.
5. particulate reunion aggrandizement apparatus as claimed in claim 3, is characterized in that: the proportionate relationship in the large end section of water conservancy diversion retract chamber (4) after the proportionate relationship in the little end section of water conservancy diversion retract chamber (4) after diversed plate (4-1,4-2,4-3) is cut apart between the area of each block and diversed plate (4-1,4-2,4-3) are cut apart between the area of each block equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441767.3U CN203990229U (en) | 2014-08-06 | 2014-08-06 | A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441767.3U CN203990229U (en) | 2014-08-06 | 2014-08-06 | A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle |
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| Publication Number | Publication Date |
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| CN203990229U true CN203990229U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420441767.3U Expired - Fee Related CN203990229U (en) | 2014-08-06 | 2014-08-06 | A kind of ultrasonic wave particulate reunion aggrandizement apparatus for the meticulous dedusting of subparticle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654272A (en) * | 2014-12-30 | 2015-05-27 | 三河发电有限责任公司 | Low-temperature coal economizer for promoting agglomeration of fine particulate matters at tail flue of thermal power plant |
| CN104667695A (en) * | 2015-01-26 | 2015-06-03 | 中国人民解放军国防科学技术大学 | Acoustic wave agglomeration system and acoustic wave agglomeration method based on multi-stage reflective focusing acoustic waveguide array structure |
| CN107029509A (en) * | 2017-05-17 | 2017-08-11 | 湖南赛能环保科技有限公司 | PM2.5 particulate matters acoustic agglomeration room and its emission reduction device in industrial smoke |
| CN107081217A (en) * | 2017-05-23 | 2017-08-22 | 东南大学 | A kind of Combustion Source PM2.5Minimum discharge method and integrated coupled system |
-
2014
- 2014-08-06 CN CN201420441767.3U patent/CN203990229U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654272A (en) * | 2014-12-30 | 2015-05-27 | 三河发电有限责任公司 | Low-temperature coal economizer for promoting agglomeration of fine particulate matters at tail flue of thermal power plant |
| CN104667695A (en) * | 2015-01-26 | 2015-06-03 | 中国人民解放军国防科学技术大学 | Acoustic wave agglomeration system and acoustic wave agglomeration method based on multi-stage reflective focusing acoustic waveguide array structure |
| CN107029509A (en) * | 2017-05-17 | 2017-08-11 | 湖南赛能环保科技有限公司 | PM2.5 particulate matters acoustic agglomeration room and its emission reduction device in industrial smoke |
| CN107029509B (en) * | 2017-05-17 | 2023-05-02 | 湖南赛能环测科技有限公司 | PM2.5 particulate matter sound wave agglomeration chamber in industrial flue gas and emission reduction device thereof |
| CN107081217A (en) * | 2017-05-23 | 2017-08-22 | 东南大学 | A kind of Combustion Source PM2.5Minimum discharge method and integrated coupled system |
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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 |
Granted publication date: 20141210 Termination date: 20150806 |
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| EXPY | Termination of patent right or utility model |