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CN105032632B - A kind of centrifuge separated for gas with liquid or solid-liquid two-phase mixture - Google Patents

A kind of centrifuge separated for gas with liquid or solid-liquid two-phase mixture Download PDF

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Publication number
CN105032632B
CN105032632B CN201510400771.4A CN201510400771A CN105032632B CN 105032632 B CN105032632 B CN 105032632B CN 201510400771 A CN201510400771 A CN 201510400771A CN 105032632 B CN105032632 B CN 105032632B
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China
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liquid
impeller
blade
solid
spiral case
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CN105032632A (en
Inventor
徐颂
曹小旭
施杰锋
王美玲
石浩
黄绘玲
吴隽
钱晶
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Zhejiang Asroad Highway Construction & Maintenance Machinery Co ltd
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Zhejiang Asroad Highway Construction & Maintenance Machinery Co Ltd
HANGZHOU QUANHE TECHNOLOGY Co Ltd
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Abstract

The invention discloses a kind of centrifuge separated for gas with liquid or solid two-phase mixture.Existing separation equipment, some efficiency of dust collections are not high;Some investments are higher, and floor space is larger.It is a feature of the present invention that, described impeller includes wheel hub, impeller chassis, multiple blades, ring diversion plate and wind loop, described wheel hub and the output end of rotary shaft are connected, described impeller chassis is arranged on wheel hub outer rim, described multiple blades are in circumferential uniform and are fixedly mounted on impeller chassis, described deflector is arranged on the top of leaf head, and described wind loop is covered on the afterbody of blade, and the outer end of the blade afterbody is placed in the circular passage formed between wind loop and spiral case;The one solid-liquid two-phase mixture collector communicated with described circular passage is housed on described spiral case.Small volume of the present invention, simple in construction, installation cost and running cost are relatively low, and gas-flow resistance is small, efficiency of dust collection is high and temperature be applicable it is wide.

Description

A kind of centrifuge separated for gas with liquid or solid-liquid two-phase mixture
Technical field
The present invention relates to centrifuge field, it is especially a kind of for gas separated with liquid or solid-liquid two-phase mixture from Scheming.
Background technology
The development of dedusting technology comes down in a continuous line with China process of industrialization.Early stage China's industrialization degree is low, main pollution The exhaust gas volumn of industry discharge is relatively small, and simple in construction and small investment cyclone dust collectors and wet dust removal are in dominant position. Since the eighties in last century, the industry sizeization such as China's electric power, cement, steel development, the exhaust gas volumn of discharge increases substantially, environmental protection Problem is progressively taken seriously, electric cleaner because its is simple in construction, resistance is small, high temperature can be handled and quilt the features such as big exhaust gas volumn operating mode Every profession and trade is widely used.Into the nineties in last century, China's atmosphere polluting problem is more protruded, and country starts to deploy dirty from source Dye administer, continuously revised every profession and trade atmosphere pollutants emission standardses and increasingly strictly, sack cleaner is efficiently removed with it Dirt efficiency progressively dominates the market, and sack cleaner turns into main in fields such as steel, non-ferrous metal metallurgy, cement, chemical industry Dedusting method.
Dedusting technology can be divided into mechanical dust collector, electric cleaner, filter collector and scrubber etc. by trapping mechanism. Mechanical dust collector removes grit by mechanical force from air-flow, and its is simple in construction, and installation cost and running cost are relatively low, but dedusting It is inefficient.Electric cleaner realizes that grit is separated with air-flow using electrostatic force, often classifies by board-like with tubular type, and feature is air-flow resistance Power is small, and efficiency of dust collection invests higher up to more than 99%, and floor space is larger.Filter collector makes dust-contained airflow pass through filtrate By grit separation and collection, point self-filtering and surface filtration two ways, efficiency of dust collection are generally 90~99%, are not suitable for temperature The high dusty gas of degree.Scrubber washes dusty gas by liquid, grit is collided and is captured with drop or liquid film, and Separated with air-flow, efficiency of dust collection is 80~95%, but washing tower is huge, and follow-up sewage disposal running expense is higher.
So, it is necessary to which a kind of efficiency of dust collection is high, Applicable temperature is wide, run under Environmental Protection in China requirement increasingly strict environment Expense low separation equipment makes up the deficiency of several dedusting technologies.
The content of the invention
The technical problems to be solved by the invention are that the defect for overcoming above-mentioned prior art to exist is used for gas there is provided one kind Separated with liquid or solid-liquid two-phase mixture and efficiency of dust collection height, the centrifuge that Applicable temperature is wide, operating cost is low.
Therefore, the present invention is adopted the following technical scheme that:One kind is separated for gas with liquid or solid-liquid two-phase mixture Centrifuge, including spiral case, the impeller that is placed in spiral case and the rotary shaft through spiral case, the inner of rotary shaft is connected with impeller, Rotated by rotary shaft impeller, it is characterised in that
Described impeller includes wheel hub, impeller chassis, multiple blades, ring diversion plate and wind loop, described wheel hub with The output end connection of rotary shaft, described impeller chassis is arranged on wheel hub outer rim, and described multiple blades are in circumferential uniform and solid Dingan County is on impeller chassis, and described deflector is arranged on the top of leaf head, and described wind loop covers on the tail of blade In portion, the outer end of the blade afterbody is placed in the circular passage formed between wind loop and spiral case;
The one solid-liquid two-phase mixture collector communicated with described circular passage, described leaf are housed on described spiral case Overall wheel is in truncated cone-shaped;
During work, gas enters the impeller of rotation with liquid or solid-liquid two-phase mixture under the drive of air-flow, due to The effect of centrifugal force, gas is separated with liquid or solid-liquid two-phase mixture in impeller, and gas passes through deflector and gear Passage between solar or lunar halo enters spiral case inward flange, then discharges spiral case by air channel;And liquid or solid-liquid two-phase mixture edge The outer end that blade afterbody flows to blade, into the circular passage between wind loop and spiral case, passes through solid-liquid two-phase mixture Collector is discharged.
The present invention has small volume, simple in construction, and installation cost and running cost are relatively low, and gas-flow resistance is small, and efficiency of dust collection can Up to more than 99%, invest relatively low;In addition, the present invention is applied to less than 350 DEG C of all dusty gases processing occasion;Institute of the present invention The dust-laden washings needed are the 1/4 of wet scrubbing tower, and follow-up sewage disposal running expense is greatly decreased.
As further improving and supplementing to above-mentioned technical proposal, the present invention takes following technical measures:
The inclined-plane of the blade and angle α formed by impeller chassis are preferably 15-75 °, more preferably 35-60 °.Larger Angle α, can obtain larger gas flow, relatively low total head, on the contrary less angle α can obtain higher total head and Relatively low gas flow.
One flange is formed on the bottom of the wind loop, is fixedly mounted on by flange on the inwall of spiral case.Gear can so be made The bottom of solar or lunar halo and the junction of spiral case are sealed.
Air-flow does not produce the camber blades of vortex in impeller internal when described blade uses work, improves impeller work effect Rate.
The chute of solid-liquid two-phase mixture is provided with described blade so that solid-liquid two-phase mixture is not easy by air-flow band Walk.
The side wall of the blade is provided with baffle plate, and baffle plate is used for the separative efficiency for improving gas and solid-liquid two-phase mixture.
The invention has the advantages that:Small volume, simple in construction, installation cost and running cost are relatively low, gas-flow resistance Small, efficiency of dust collection is high and temperature is applicable extensively.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structure decomposition figure of the present invention.
Fig. 3-5 is the structural representation of impeller of the present invention.
In figure, 1- impellers chassis, 2- blades, 3- deflectors, 4- wind loops, 5- wheel hubs, 6- rotary shafts, 7- spiral cases, 8- rings Shape passage, 9- solid-liquid two-phase mixture collectors, 10- baffle plates, 11- air inlet rings.
Embodiment
With reference to specification drawings and specific embodiments, the invention will be further described.
Centrifuge as depicted, it is made up of spiral case 7, the impeller being placed in spiral case and the rotary shaft 6 through spiral case, turns The inner of moving axis 6 is connected with impeller, is rotated by the impeller of rotary shaft 6.
Described impeller is by 4 groups of wheel hub 5, impeller chassis 1, multiple blades 2, ring diversion plate 3, air inlet ring 11 and wind loop Into, air inlet ring 11 is arranged on shell 7, and wheel hub 5 is connected with the output end of rotary shaft 6, and impeller chassis 1 is arranged on the outer rim of wheel hub 5, Multiple blades 2 are in circumferential uniform and are fixedly mounted on impeller chassis 1, and deflector 3 is arranged on the top on the head of blade 2.Keep out the wind Circle 4 is covered on the afterbody of blade 2, and the outer end of the afterbody of blade 2 is placed in the circular passage 8 formed between wind loop 4 and spiral case 7.
The one solid-liquid two-phase mixture collector 9 communicated with circular passage 8, described impeller are housed on described spiral case 7 Overall is in truncated cone-shaped.
The inclined-plane of the blade 2 is 35-60 ° with angle α formed by impeller chassis 1.The bottom of wind loop 4 forms one and turned over On side, the inwall that spiral case 7 is fixedly mounted on by flange.
Blade 2 is not produced in impeller internal using air-flow during work and is provided with solid-liquid two-phase on the camber blades of vortex, blade 2 The chute of mixture, the side wall of blade 2 is provided with baffle plate 10.
During work, gas enters the impeller of rotation with liquid or solid-liquid two-phase mixture under the drive of air-flow, due to The effect of centrifugal force, gas is separated with liquid or solid-liquid two-phase mixture A in impeller, gas by deflector 3 with Passage B between wind loop 4 enters spiral case inward flange, then discharges spiral case by air channel;And liquid or solid-liquid two-phase mixtures Thing flows to the outer end of blade along blade afterbody, into the circular passage C between wind loop 4 and spiral case, passes through solid-liquid two-phase Mixture collector 9 is discharged.
To handle per hour:60000Nm3/ h, dustiness is:5g/Nm3, gas temperature is:220 DEG C, by calculating impeller Diameter:0.65 meter, equipment complete machine is taken up an area:2mX0.8mX1.8m, quantity of circulating water is:10m3/ h, plant capacity:132KW, equipment is total About 300,000 yuan of valency, efficiency of dust collection:99.2%, it is equipment cost and cheapest one kind of operating cost in current all dust removal methods Mode.
Only preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This Invention is not only limited to above example, and its concrete structure allows to change.All protection models in independent claims of the present invention Enclose interior made various change within the scope of the present invention.

Claims (7)

1. a kind of centrifuge separated with liquid or solid-liquid two-phase mixture for gas, including spiral case (7), it is placed in spiral case Impeller and the rotary shaft (6) through spiral case, the inner of rotary shaft (6) are connected with impeller, are rotated by rotary shaft (6) impeller, Characterized in that,
Described impeller includes wheel hub (5), impeller chassis (1), multiple blades (2), ring diversion plate (3) and wind loop (4), institute The wheel hub (5) stated is connected with the output end of rotary shaft (6), and described impeller chassis (1) is arranged on wheel hub (5) outer rim, described Multiple blades (2) are in circumferential uniform and are fixedly mounted on impeller chassis (1), and described deflector (3) is arranged on blade (2) head The top in portion, described wind loop (4) is covered on the afterbody of blade (2), and the outer end of blade (2) afterbody is placed in wind loop (4) in the circular passage (8) formed between spiral case (7);
The one solid-liquid two-phase mixture collector (9) communicated with described circular passage (8), institute are housed on described spiral case (7) The impeller stated is in integrally truncated cone-shaped;
During work, gas enters the impeller of rotation with liquid or solid-liquid two-phase mixture under the drive of air-flow, due to centrifugation The effect of power, gas is separated with liquid or solid-liquid two-phase mixture in impeller, and gas passes through deflector and wind loop Between passage enter spiral case inward flange, spiral case is then discharged by air channel;And liquid or solid-liquid two-phase mixture are along leaf Piece afterbody flows to the outer end of blade, into the circular passage between wind loop and spiral case, is collected by solid-liquid two-phase mixture Device is discharged.
2. centrifuge according to claim 1, it is characterised in that the inclined-plane of the blade (2) and impeller chassis (1) institute into Angle α be 15-75 °.
3. centrifuge according to claim 2, it is characterised in that the inclined-plane of the blade (2) and impeller chassis (1) institute into Angle α be 35-60 °.
4. centrifuge according to claim 1 a, it is characterised in that flange is formed on the bottom of the wind loop (4), is passed through Flange is fixedly mounted on the inwall of spiral case (7).
5. centrifuge according to claim 1, it is characterised in that described blade (2) is using air-flow during work in impeller Inside does not produce the camber blades of vortex.
6. centrifuge according to claim 1, it is characterised in that be provided with solid-liquid two-phase mixture on described blade (2) Chute.
7. centrifuge according to claim 1, it is characterised in that the side wall of the blade (2) is provided with baffle plate (10).
CN201510400771.4A 2015-07-07 2015-07-07 A kind of centrifuge separated for gas with liquid or solid-liquid two-phase mixture Active CN105032632B (en)

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CN109026824A (en) * 2018-06-29 2018-12-18 三联泵业股份有限公司 A kind of split type impeller for large-scale mono-hull Pulp pump

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SE515302C2 (en) * 1999-11-15 2001-07-09 Alfa Laval Ab A method and apparatus for purifying gas
SE529609C2 (en) * 2006-02-13 2007-10-02 Alfa Laval Corp Ab centrifugal
EP2522431B1 (en) * 2011-05-12 2013-12-25 Alfa Laval Corporate AB A device comprising a centrifugal separator
EP2664386B1 (en) * 2012-05-18 2015-06-24 Alfa Laval Corporate AB A centrifugal separator
CN204974219U (en) * 2015-07-07 2016-01-20 杭州全合科技有限公司 A centrifugal separator that is used for gaseously and liquid or separation of solid two -phase mixture

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Effective date of registration: 20190726

Address after: 311815 Zhejiang city of Shaoxing province Zhuji city Ciwu town Ding Qiao Cun

Patentee after: ZHEJIANG ASROAD HIGHWAY CONSTRUCTION & MAINTENANCE MACHINERY Co.,Ltd.

Address before: 1, 310004, building 106, building 5, three, 4, Genshan Road, Jianggan District, Zhejiang, Hangzhou

Co-patentee before: ZHEJIANG ASROAD HIGHWAY CONSTRUCTION & MAINTENANCE MACHINERY Co.,Ltd.

Patentee before: HANGZHOU QUANHE TECHNOLOGY Co.,Ltd.

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Denomination of invention: A centrifuge for separation of gas and liquid or solid-liquid two-phase mixture

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Denomination of invention: A centrifuge used for separating gas from liquid or solid-liquid two-phase mixtures

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