CN202762559U - Scroll cyclone dust collector - Google Patents
Scroll cyclone dust collector Download PDFInfo
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- CN202762559U CN202762559U CN201220477749.1U CN201220477749U CN202762559U CN 202762559 U CN202762559 U CN 202762559U CN 201220477749 U CN201220477749 U CN 201220477749U CN 202762559 U CN202762559 U CN 202762559U
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- air inlet
- scroll
- spiral
- spiral case
- dust collector
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Abstract
A scroll cyclone dust collector mainly comprises a volute, an expansion bin, an air inlet and an exhaust pipe, wherein the volute of the scroll cyclone dust collector is of a spiral and scroll composite structure. The bottom of the volute is connected with the upper end of a straight cylinder, the upper end of the straight cylinder is connected with the upper end of a conical cylinder, the lower end of the conical cylinder is connected with the expansion bin, the exhaust pipe is mounted at the center of a top cover of the volute, and one side of the volute is connected with the air inlet with a pentagonal section. The advantages of a spiral and a scroll are combined, the inherent problem of 'up ash loop' of an original flat-top dust collector is effectively solved, dust collection efficiency is 3%-5% higher than traditional dust collection efficiency, pressure loss is reduced by about 33%, energy consumption is reduced, and the scroll cyclone dust collector has certain economic and social benefits.
Description
Technical field
The utility model relates to a kind of dust arrester installation, especially for the efficient vortex type rotoclone collector in the cement industry.
Background technology
Rotoclone collector is to utilize swirling eddy to produce centrifugal force grit is separated from air-flow, reach cleaning of off-gas or satisfy the industrial technology production requirement, be commonly used in separating and gathering dust of the preparation of preheater, raw material and cement preparation in cement industry, the preliminary treatment that the gas of coming from the dusty gas thermals source such as grate-cooler, kiln tail gas passes through rotoclone collector with ining addition is to heat exchanger or heat supply in the coal mill etc.
The operation principle of existing rotoclone collector is described in conjunction with Fig. 1, the cyclone cylinder housing is by being comprised of cylindrical drum 20 and taper cone barrel 30, and the top of cyclone cylinder housing is by top seal, and the top cover central part has blast pipe 40, air inlet 10 is usually located at a side of aiutage 40, and tangent with it.
Material enters in the cylindrical drum 20 from air inlet 10 with air-flow, and the outer eddy flow 50 that forms the semi-free vortex flow field motion of spinning downwards is forced to the turning center in taper cone barrel 30 bottoms, forms rotation inward eddy 60 upwards, at last by blast pipe 40 discharges.The material of carrying secretly in the air-flow is subject to centrifugal action, and the coarse granule that particle diameter is larger is thrown toward cylindrical drum 20 inwalls and to the ash silo that falls into taper cone barrel 30 belows, the fine grained that particle diameter is less is then discharged by blast pipe 40 with air-flow.
The air-flow of cyclone dust collectors is the complicated turbulent situations that axially consist of by tangentially, radially reaching.The radial velocity component rate forms a large amount of whirlpools so that interior rotational gas flow flow process in uphill process is chaotic, and the separated grit of cylindrical drum part is mixed and stirred again, forms reentrainment of dust.Axially minute speed and radial velocity component rate are so that traditional rotoclone collector often forms upper dust-ring and lower ash ring when work, the existence of lower ash ring captures to separate to dust granules and has certain effect, and the existence of upper dust-ring so that the dust that is separated in cylindrical drum limit wall that originally had been captured move up along barrel first, then move inward along top cover, again along the outer wall of inner core to moving down, be short-circuited and directly discharge through blast pipe, reduced dust-collecting efficiency.
Therefore, develop and a kind ofly can improve efficiency of dust collection, reduce the pressure loss, and the novel vortex type cyclone dust collectors of eliminating " upper dust-ring " problem of conventional version rotoclone collector are very urgent.
The utility model content
The purpose of this utility model is to provide the efficient vortex type rotoclone collector that is used for the cement industry production line that a kind of dust-collecting efficiency is high, crushing is low, can reduce energy loss, has than the large economy benefit.
For achieving the above object, the vortex type rotoclone collector that the utility model provides mainly comprises housing, expansion storehouse, air inlet and aiutage, wherein:
The spiral case of vortex type rotoclone collector is that spiral adds the vortex type composite construction, and the bottom of this spiral case connects the upper end of a straight tube, and the upper end of this straight tube connects the upper end of a cone cylinder, and the lower end of this cone cylinder connects the expansion storehouse; One side of this spiral case connects an air inlet; The center of this spiral case is equipped with aiutage.
Described vortex type rotoclone collector is characterized in that, the cross sectional shape of air inlet is pentagon.
The beneficial effects of the utility model are:
1) the utility model has adopted spiral to add the composite construction of spiral pattern, both advantages are combined, well solved intrinsic " upper dust-ring " problem of original flat roof type dust-precipitator, so that the more traditional rotoclone collector of dust-collecting efficiency improves 3%-5%.
2) new and effective vortex type rotoclone collector has reduced the turbulent flow that causes along eddy flow and the inlet air flow of inwall, has therefore reduced windage value and crushing.
3) compared to traditional dust-precipitator, the bottom cone angle adopts 30 ° of angles, has reduced overall height dimension, has saved the civil engineering cost, has larger economic benefit.
Description of drawings
Fig. 1 is existing rotoclone collector fundamental diagram.
Fig. 2 is perspective view of the present utility model.
Fig. 3 is the structural representation of spiral case and straight tube.
Fig. 4 is the top view of spiral case.
Fig. 5 is the air inlet structure schematic diagram.
Main mark symbol description in the accompanying drawing:
The 1-spiral case, the 2-straight tube, 3-bores cylinder, 4-expansion storehouse, 5-air inlet, 6-aiutage.
The specific embodiment
The utility model provides the vortex type rotoclone collector, mainly comprises housing, the expansion storehouse, and air inlet, aiutage, wherein:
The spiral case of vortex type rotoclone collector is that spiral adds the vortex type composite construction, and it is pentagonal air inlet that a side of this spiral case connects a cross sectional shape;
The bottom of this spiral case connects the upper end of a straight tube, and the upper end of this straight tube connects the upper end of a cone cylinder, and the lower end of this cone cylinder connects the expansion storehouse, and spiral case top cover center, housing top is equipped with aiutage.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
The direction such as said upper and lower, left and right all refers to illustrated direction in this specification.
See also Fig. 2 and Fig. 3, the spiral case 1 that efficient vortex type rotoclone collector of the present utility model is linked in sequence from top to bottom, straight tube 2, cone cylinder 3 and expansion storehouse 4.Spiral case 1 and straight tube 2 middle parts are equipped with aiutage 6, and the side of spiral case 1 is equipped with air inlet 5.
See also Fig. 4, the spiral case of rotoclone collector takes spiral to add the composite construction of spiral pattern, the spiral case border line is log spiral, helical structure namely is a kind of structure of lower spiral from the air inlet to the straight tube, this structure has been so that air-flow has guaranteed downward rotation in the spiral case internal rotating, simultaneously so that the absolute refraction during the grit bounce-back down.Successively decreasing in cross section, import spiral road, has increased the centrifugal force of flow rotation, makes therein speed quickening of gas, reduced the grit sedimentation time.Thereby improved dust-collecting efficiency, also therefore reduced the pressure loss.
The cone cylinder of rotoclone collector has suitably increased cone angle, take 30 ° of cone angles, causing boring wind speed in the cylinder compares with traditional dust-precipitator and decreases, increased the time of staying of air-flow in the cone cylinder, be conducive to the sedimentation of granule grit, improve dust-collecting efficiency, reduced simultaneously the height of whole rotoclone collector, saved the civil engineering cost.
See also Fig. 5, the air inlet 5 of rotoclone collector is pentagonal configuration wide at the top and narrow at the bottom, this structure decrease wide at the top and narrow at the bottom the problem of the turbulent flow that causes of traditional rectangular air inlet place air-flow and the terrace at entrance dust stratification that may cause, simultaneously, the centrifugal force that is conducive to produce is conducive to gas and enters rapidly cyclone cylinder, reduce the frictional force with barrel, therefore reduced the pressure loss of whole cyclone cylinder.Then need the negative pressure that provides relatively also little because crushing is less, also reduced system energy consumption simultaneously.
Above technical characterictic has consisted of most preferred embodiment of the present invention, has stronger adaptability and best implementation result, in actual applications, can according to circumstances increase and decrease technical characterictic, satisfies the demand of different situations.
The course of work of the present utility model is:
Dusty gas enters in the spiral case 1 of rotoclone collector through air inlet 5, under the effect of eddy flow centrifugal force, accelerates rotary speed through the lower helical structure of spiral case 1, does outer spiral rotation along the inwall of straight tube 2, cone 3.Because gas arrives cone 3 when interior, sectional area diminishes suddenly, the rotary speed of gas is accelerated, realize separating of grit and gas, grit enters in the expansion storehouse 4 along cone 3 inwalls, and indissociable little grit is under the effect of inertia, along with air-flow is done interior spiral, until discharge by aiutage 6 the aiutage bottom.
Claims (2)
1. the vortex type rotoclone collector mainly comprises spiral case, expansion storehouse, air inlet and aiutage, it is characterized in that:
The spiral case of vortex type rotoclone collector is that spiral adds the vortex type composite construction, and the bottom of this spiral case connects the upper end of a straight tube, and the upper end of this straight tube connects the upper end of a cone cylinder, and the lower end of this cone cylinder connects the expansion storehouse;
One side of this spiral case connects an air inlet;
The center of this spiral case is equipped with aiutage.
2. vortex type rotoclone collector according to claim 1 is characterized in that, the cross sectional shape of air inlet is pentagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477749.1U CN202762559U (en) | 2012-09-18 | 2012-09-18 | Scroll cyclone dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477749.1U CN202762559U (en) | 2012-09-18 | 2012-09-18 | Scroll cyclone dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202762559U true CN202762559U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220477749.1U Expired - Lifetime CN202762559U (en) | 2012-09-18 | 2012-09-18 | Scroll cyclone dust collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN202762559U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069958A (en) * | 2014-07-08 | 2014-10-01 | 中节能天辰(北京)环保科技有限公司 | Dry-type paint mist trapping device and dry-type paint mist trapping method |
| CN104971830A (en) * | 2015-05-27 | 2015-10-14 | 上海理工大学 | Coupling type inertial cyclone fluid particle heterogeneous separation device and method |
| CN108744732A (en) * | 2018-06-11 | 2018-11-06 | 彭春剑 | A kind of mechanical equipment dust-extraction unit |
-
2012
- 2012-09-18 CN CN201220477749.1U patent/CN202762559U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104069958A (en) * | 2014-07-08 | 2014-10-01 | 中节能天辰(北京)环保科技有限公司 | Dry-type paint mist trapping device and dry-type paint mist trapping method |
| CN104971830A (en) * | 2015-05-27 | 2015-10-14 | 上海理工大学 | Coupling type inertial cyclone fluid particle heterogeneous separation device and method |
| CN108744732A (en) * | 2018-06-11 | 2018-11-06 | 彭春剑 | A kind of mechanical equipment dust-extraction unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |
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| CX01 | Expiry of patent term |