CN203610225U - Cyclone separator provided with double inlets and double outlets - Google Patents
Cyclone separator provided with double inlets and double outlets Download PDFInfo
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- CN203610225U CN203610225U CN201320729367.8U CN201320729367U CN203610225U CN 203610225 U CN203610225 U CN 203610225U CN 201320729367 U CN201320729367 U CN 201320729367U CN 203610225 U CN203610225 U CN 203610225U
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- cyclone
- cyclone separator
- whirlwind barrel
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- 239000010865 sewage Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 239000000428 dust Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a cyclone separator provided with double inlets and double outlets. The cyclone separator comprises a cyclone barrel body, wherein a cone, a middle ash bucket and a sewage outlet are arranged at the lower end of the cyclone barrel body in sequence; an air inlet component and an air exhausting component are arranged at the upper end of the cyclone barrel body; the air inlet component comprises a left air inlet and a right air inlet, and the left air inlet and the right air inlet are formed in the cyclone barrel body respectively; arc-shaped guiding plates are arranged in the communicating positions that the left air inlet and the right air inlet are communicated with the cyclone barrel body respectively; a gap is reserved between the top of the arc-shaped guiding plates and the cyclone barrel body; the air exhausting component comprises an air exhausting outer pipe, a connecting piece and an air exhausting inner pipe; a plurality of slotted holes uniformly distributed are formed in the side wall of the inner cone-shaped pipe of the air exhausting inner pipe. According to the utility model, two main secondary eddy currents of upper eddy current and longitudinal swirling flow existing in cyclone can be effectively eliminated; the cyclone separator has the advantages that the cyclone separator is high in cyclone efficiency, low in cyclone resistance, high in operating flexibility, simple in structure, well-adapted and relatively low in cost, and has a wear-resistant lining.
Description
Technical field
The utility model belongs to Chemical Engineering heterogeneous separation field, be specifically related to a kind of for gas-solid (liquid) mixture is carried out continuous separate from, especially require that separate unit treating capacity is large, resistance is low and need the cyclone separator with double in-and outlet of the working condition that separative efficiency is high.
Background technology
Cyclone separator is to utilize the non-homogenous system of gaseous state, the centrifugal force producing in the time making High Rotation Speed, a kind of dry type gas-solid separation equipment that dust is separated from air-flow.Because the suffered centrifugal force of particle is far longer than gravity and inertia force, so the minimum grain size that cyclone separator can separate economically can reach 5～10 μ m.In addition, cyclone separator structure is fairly simple, operation, easy to maintenance, stable performance, be not subject to again the restriction such as concentration, temperature, physical property of dusty gas, and cost is lower, so be widely used in oil, chemical industry, coal, electric power, environmental protection and the industrial production such as metallurgical.
Because the air motion in cyclone separator is very complicated, belong to the strong eddy flow of Three dimensional Turbulent, therefore the structural shape of cyclone separator will directly affect separating property.Secondary vortex flow is ubiquity in cyclone separator, and it is made up of axial velocity and radial velocity, and the performance of secondary vortex flow to cyclone separator is especially larger on separative efficiency impact.Several secondary vortex flows that affect whirlwind efficiency mainly concentrate on the head (being the above part of Whirlwind barrel) of whirlwind, as " upper eddy current (or claiming short-circuit flow) ", between cyclone dust collectors top cover, blast pipe outside and cylinder inboard wall, due to the existence of radial velocity and axial velocity, to form local eddy currents (upper eddy current), carrying a considerable amount of grits secretly to center flow, and decline along blast pipe outer surface, finally, with center ascending air effusion blast pipe, affect separative efficiency.For another example " longitudinally bumpy flow ", is to recycle and the longitudinal flow of formation in the device centered by the inside and outside eddy flow interface of cyclone dust collectors.Because the effective flow area in blast pipe is less than effective flow area of the following inward eddy of blast pipe pipe end, therefore produce throttle effect at blast pipe pipe end place, thereby near gas radial velocity blast pipe pipe end is improved greatly, cause gas to exceed the suffered centrifugal force of particle to oarse-grained drag force, and cause " short circuit ", affect separating property.Therefore the main direction that the whirlwind head construction of main secondary vortex flow is raising cyclonic separation efficiency is eliminated in realization as far as possible.
Cyclone separator structure pattern is various at present, and most whirlwind is not distinct for the structure of eliminating main secondary vortex flow, thereby not good to fine grain separating effect.The technical scheme that for example China Patent Publication No. is CN2577970Y discloses a kind of cyclone separator, but these cyclone separator internals are comparatively complicated, larger particles is separated and has certain effect, but it is not the structure of eliminating main secondary vortex flow is indefinite, therefore good for relatively fine particle separating effect.In addition, the technical scheme that for example China Patent Publication No. is CN101422757A discloses a kind of cyclone separator, this cyclone separator has adopted the structure of opening cone mouth of exhaust pipe lower part, reduce more significantly the impact of upper eddy current, fine grain separative efficiency is improved a lot, but the impact of its longitudinal bumpy flow still exists.
Utility model content
The technical problems to be solved in the utility model is to provide and is a kind ofly particularly useful for that requirement separate unit treating capacity is large, resistance is low and need the working condition that separative efficiency is high, can eliminate secondary vortex flow, whirlwind efficiency is high, whirlwind resistance is low, operating flexibility is large, simple in structure, strong adaptability, be easy to wear resistance lining and the lower-cost cyclone separator with double in-and outlet.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of cyclone separator with double in-and outlet, comprise Whirlwind barrel, the lower end of described Whirlwind barrel is provided with cone successively, middle ash bucket and sewage draining exit, the upper end of described Whirlwind barrel is provided with air intake assembly and gas deflation assembly, described air intake assembly comprise respectively arrange with Whirlwind barrel on left air inlet and right air inlet, described left air inlet and right air inlet are arranged and the axis of both the relative Whirlwind barrels layout that is centrosymmetric along the tangential direction of Whirlwind barrel respectively, described left air inlet, connectivity part between right air inlet and Whirlwind barrel is respectively equipped with arc deflector, described left air inlet, the air inlet of right air inlet enters respectively Whirlwind barrel inside after arc deflector water conservancy diversion, between the top of described arc deflector and Whirlwind barrel, be provided with gap, described gas deflation assembly comprises exhaust outer tube, connector and exhaust inner tube, described exhaust inner tube plugs to be arranged in exhaust outer tube and by connector and is connected with exhaust outer tube, described exhaust inner tube and exhaust outer coaxial tube are arranged, described exhaust outer tube is made up of interconnective outer tube pipe and male-tapered pipe, described exhaust inner tube is made up of interconnective interior socket and inner conical pipe, described outer tube pipe is connected with interior socket by connector, and the sidewall of described inner conical pipe is provided with multiple slotted eyes that are evenly arranged.
On described Whirlwind barrel, be respectively equipped with and described left air inlet, right air inlet opening one to one, described left air inlet, right air inlet are communicated with the inner chamber of Whirlwind barrel by corresponding opening respectively, described arc deflector is arranged in respectively a side of opening, and described opening is trapezoidal mouthful.
The central angle alpha size of described arc deflector is 0～25 °; The cross section of described left air inlet, right air inlet is rectangle, and the ratio between described rectangular long limit and minor face is 1.5～3.0, and the ratio between described rectangular area and the cross-sectional area of Whirlwind barrel is 0.19～0.32; Ratio between the width in described gap and described rectangular long edge lengths is 0.1～0.25.
Ratio between the diameter of described outer tube pipe and the diameter of interior socket is 1.1～1.5; Ratio between the diameter of described male-tapered pipe lower end and the diameter of inner conical pipe lower end is 1.1～1.5; Ratio between the height of the height of described male-tapered pipe and inner conical pipe is 0.3～1.0; Ratio between diameter and the diameter of Whirlwind barrel of described inner conical pipe lower end is 0.1～0.5; Ratio between the gross area and the cross-sectional area of outer tube pipe of institute's grooved hole is 0.5～2.5.
Described slotted eye is isosceles trapezoid hole, and the long base in described isosceles trapezoid hole is positioned at the upside of inner conical pipe, and the short base in described isosceles trapezoid hole is positioned at the downside of inner conical pipe.
The utility model has following advantage with the cyclone separator of double in-and outlet:
1, air intake assembly of the present utility model comprise respectively arrange with Whirlwind barrel on left air inlet and right air inlet, left air inlet and right air inlet are arranged and the axis of both the relative Whirlwind barrels layout that is centrosymmetric along the tangential direction of Whirlwind barrel respectively, left air inlet, connectivity part between right air inlet and Whirlwind barrel is respectively equipped with arc deflector, left air inlet, the air inlet of right air inlet enters respectively Whirlwind barrel inside after arc deflector water conservancy diversion, between the top of arc deflector and Whirlwind barrel, be provided with gap, this structure makes the whirlwind inlet air flow regularity of distribution meet semi-free vortex (V
θ/ r=Const), impel inlet air flow to tend to stable circular motion, can avoid like this outer gas flow producing near wall inwardly to flow, prevent that retardance dust granules from flowing to blast pipe, greatly slacken " longitudinally bumpy flow ", with respect to the whirlwind of common single air inlet, its internal gas flow even flow field symmetry, is conducive to the raising of separative efficiency.
2, gas deflation assembly of the present utility model comprises exhaust outer tube, connector and exhaust inner tube, exhaust inner tube plugs to be arranged in exhaust outer tube and by connector and is connected with exhaust outer tube, exhaust inner tube and exhaust outer coaxial tube are arranged, exhaust outer tube is made up of interconnective outer tube pipe and male-tapered pipe, exhaust inner tube is made up of interconnective interior socket and inner conical pipe, outer tube pipe is connected with interior socket by connector, and the sidewall of inner conical pipe is provided with multiple slotted eyes that are evenly arranged.The utility model, by above-mentioned gas deflation assembly structure, provides protection and rectified action by exhaust outer tube to exhaust inner tube, so " upper eddy current (or claiming short-circuit flow) " also greatly reduces the effectiveness affects of this structural shape.And, research by cyclone separator flow field and concentration field shows, " upper eddy current (or claiming short-circuit flow) " mainly concentrates on the lower area of blast pipe, in the above-mentioned gas deflation assembly structure of the utility model, the sidewall of inner conical pipe is provided with multiple slotted eyes that are evenly arranged, increase the effective area of blast pipe and reduced whirlwind resistance by slotted eye, make the lower ending opening diameter of exhaust inner tube programmable less compared with other whirlwind, can further suppress the generation of " upper eddy current (or claiming short-circuit flow) ".
In sum, the utility model is by the air intake assembly to Whirlwind barrel top, gas deflation assembly carries out respectively architecture advances, can affect the main secondary vortex flow of whirlwind efficiency for " upper eddy current " and " longitudinally bumpy flow " two has all accomplished to eliminate as much as possible, under identical process conditions, the utility model can reduce approximately 25～35% than the resistance of general efficient cyclone separator, efficiency can improve 2～3%, its operating flexibility is large simultaneously, simple in structure, strong adaptability, be easy to wear resistance lining and cost is lower, be particularly useful for requirement separate unit treating capacity large, resistance is low and need the working condition that separative efficiency is high.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment.
Fig. 2 is the plan structure schematic diagram of the utility model embodiment.
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 1.
Fig. 4 is the B-B sectional structure schematic diagram of Fig. 2.
Fig. 5 is the sectional structure schematic diagram of gas deflation assembly in the utility model embodiment.
Fig. 6 is the plan structure schematic diagram of gas deflation assembly in the utility model embodiment.
Fig. 7 is the Type B cyclone separator of the utility model embodiment and the prior art separative efficiency correlation curve schematic diagram under the condition of each inlet gas speed.
Fig. 8 is the Type B cyclone separator of the utility model embodiment and the prior art resistance drop correlation curve schematic diagram under the condition of each inlet gas speed.
Marginal data: 1, Whirlwind barrel; 11, opening; 2, cone; 3, middle ash bucket; 4, sewage draining exit; 5, air intake assembly; 51, left air inlet; 52, right air inlet; 53, arc deflector; 54, gap; 6, gas deflation assembly; 61, exhaust outer tube; 611, outer tube pipe; 612, male-tapered pipe; 62, connector; 63, exhaust inner tube; 631, interior socket; 632, inner conical pipe; 633, slotted eye.
The specific embodiment
As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Fig. 5 and Fig. 6, the present embodiment is with the cyclone separator of double in-and outlet, comprise Whirlwind barrel 1, the lower end of Whirlwind barrel 1 is provided with cone 2 successively, middle ash bucket 3 and sewage draining exit 4, the upper end of Whirlwind barrel 1 is provided with air intake assembly 5 and gas deflation assembly 6, air intake assembly 5 comprise respectively arrange with Whirlwind barrel 1 on left air inlet 51 and right air inlet 52, left air inlet 51 and right air inlet 52 are arranged and the axis of both relative Whirlwind barrels 1 layout that is centrosymmetric along the tangential direction of Whirlwind barrel 1 respectively, left air inlet 51, connectivity part between right air inlet 52 and Whirlwind barrel 1 is respectively equipped with arc deflector 53, left air inlet 51, the air inlet of right air inlet 52 enters respectively Whirlwind barrel 1 inside after arc deflector 53 water conservancy diversion, between the top of arc deflector 53 and Whirlwind barrel 1, be provided with gap 54, gas deflation assembly 6 comprises exhaust outer tube 61, connector 62 and exhaust inner tube 63, exhaust inner tube 63 plugs to be arranged in exhaust outer tube 61 and by connector 62 and is connected with exhaust outer tube 61, exhaust inner tube 63 is coaxially arranged with exhaust outer tube 61, exhaust outer tube 61 is made up of interconnective outer tube pipe 611 and male-tapered pipe 612, exhaust inner tube 63 is made up of interconnective interior socket 631 and inner conical pipe 632, outer tube pipe 611 is connected with interior socket 631 by connector 62, and the sidewall of inner conical pipe 632 is provided with multiple slotted eyes that are evenly arranged 633.
As shown in Figure 3 and Figure 4, in the present embodiment, on Whirlwind barrel 1, be respectively equipped with and left air inlet 51, right air inlet 52 opening 11 one to one, left air inlet 51, right air inlet 52 are communicated with the inner chamber of Whirlwind barrel 1 by corresponding opening 11 respectively, arc deflector 53 is arranged in respectively a side of opening 11, and opening 11 is trapezoidal mouthful.
In the present embodiment, the central angle alpha of arc deflector 53 (referring to Fig. 3) size is 0～25 °; The cross section of left air inlet 51, right air inlet 52 is rectangle (referring to Fig. 1), and the ratio between rectangular long limit a and minor face b is 1.5～3.0, the cross-sectional area (D of rectangular area (ab) and Whirlwind barrel 1
2/ 4 π) between ratio be 0.19～0.32; The width c(in gap 54 is referring to Fig. 4) and rectangular long limit a length between ratio be 0.1～0.25.
In the present embodiment, the ratio between the diameter d 1 of outer tube pipe 611 and the diameter d 2 of interior socket 631 is 1.1～1.5; Ratio between the diameter d 4 of the diameter d 3 of male-tapered pipe 612 lower ends and inner conical pipe 632 lower ends is 1.1～1.5; Ratio between the height h1 of male-tapered pipe 612 and the height h2 of inner conical pipe 632 is 0.3～1.0; Ratio between the diameter d 4 of inner conical pipe 632 lower ends and the diameter D of Whirlwind barrel 1 is 0.1～0.5; The gross area of institute's grooved hole 633 and the cross-sectional area (d1 of outer tube pipe 611
2/ 4 π) between ratio be 0.5～2.5.
As shown in Figure 5 and Figure 6, in the present embodiment, slotted eye 633 is isosceles trapezoid hole, and the long base in isosceles trapezoid hole is positioned at the upside of inner conical pipe 632, and the short base in isosceles trapezoid hole is positioned at the downside of inner conical pipe 632.
The course of work of the present embodiment is as follows: dusty gas by being entered by left air inlet 51 and right air inlet 52, then enters Whirlwind barrel 1 inside through opening 11 respectively respectively after arc deflector 53 water conservancy diversion.In Whirlwind barrel 1 inside, due to centrifugal action, dust gets rid of on the wall of Whirlwind barrel 1 and because gravity falls into middle ash bucket 3, is finally discharged by sewage draining exit 4.And air-flow after rotating separation dust is discharged cyclone separator through gas deflation assembly 6.
As shown in Figure 7 and Figure 8, diameter (being the diameter of Whirlwind barrel 1) at the present embodiment and prior art Type B cyclone separator (representative products of the Buell company of cyclone design manufacturer of famous American) is given as under the same terms of Φ 830mm, and the present embodiment and Type B cyclone separator have carried out respectively under the condition of each inlet gas speed separative efficiency relatively and resistance drop comparison contrast test.Referring to Fig. 7, under the condition of each identical inlet gas speed, the separative efficiency of the present embodiment improves 2～3% than Type B cyclone separator efficiency.Referring to Fig. 8, under the condition of each identical inlet gas speed, the resistance drop of the present embodiment is less by 25～35% than the resistance drop of Type B cyclone separator.
Claims (5)
1. the cyclone separator with double in-and outlet, comprise Whirlwind barrel (1), the lower end of described Whirlwind barrel (1) is provided with cone (2) successively, middle ash bucket (3) and sewage draining exit (4), the upper end of described Whirlwind barrel (1) is provided with air intake assembly (5) and gas deflation assembly (6), it is characterized in that: described air intake assembly (5) comprise respectively arrange with Whirlwind barrel (1) on left air inlet (51) and right air inlet (52), described left air inlet (51) and right air inlet (52) are arranged and the axis of both relative Whirlwind barrels (1) layout that is centrosymmetric along the tangential direction of Whirlwind barrel (1) respectively, described left air inlet (51), connectivity part between right air inlet (52) and Whirlwind barrel (1) is respectively equipped with arc deflector (53), described left air inlet (51), the air inlet of right air inlet (52) enters respectively Whirlwind barrel (1) inside after arc deflector (53) water conservancy diversion, between the top of described arc deflector (53) and Whirlwind barrel (1), be provided with gap (54), described gas deflation assembly (6) comprises exhaust outer tube (61), connector (62) and exhaust inner tube (63), described exhaust inner tube (63) plugs to be arranged in exhaust outer tube (61) and by connector (62) and is connected with exhaust outer tube (61), described exhaust inner tube (63) is coaxially arranged with exhaust outer tube (61), described exhaust outer tube (61) is made up of interconnective outer tube pipe (611) and male-tapered pipe (612), described exhaust inner tube (63) is made up of interconnective interior socket (631) and inner conical pipe (632), described outer tube pipe (611) is connected with interior socket (631) by connector (62), the sidewall of described inner conical pipe (632) is provided with multiple slotted eyes that are evenly arranged (633).
2. the cyclone separator with double in-and outlet according to claim 1, it is characterized in that: on described Whirlwind barrel (1), be respectively equipped with and described left air inlet (51), right air inlet (52) opening (11) one to one, described left air inlet (51), right air inlet (52) are communicated with the inner chamber of Whirlwind barrel (1) by corresponding opening (11) respectively, described arc deflector (53) is arranged in respectively a side of opening (11), and described opening (11) is trapezoidal mouthful.
3. the cyclone separator with double in-and outlet according to claim 2, is characterized in that: the central angle alpha size of described arc deflector (53) is 0～25 °; The cross section of described left air inlet (51), right air inlet (52) is rectangle, ratio between described rectangular long limit and minor face is 1.5～3.0, and the ratio between described rectangular area and the cross-sectional area of Whirlwind barrel (1) is 0.19～0.32; Ratio between the width in described gap (54) and described rectangular long edge lengths is 0.1～0.25.
4. the cyclone separator with double in-and outlet according to claim 3, is characterized in that: the ratio between the diameter of described outer tube pipe (611) and the diameter of interior socket (631) is 1.1～1.5; Ratio between the diameter of the diameter of described male-tapered pipe (612) lower end and inner conical pipe (632) lower end is 1.1～1.5; Ratio between the height of the height of described male-tapered pipe (612) and inner conical pipe (632) is 0.3～1.0; Ratio between the diameter of described inner conical pipe (632) lower end and the diameter of Whirlwind barrel (1) is 0.1～0.5; Ratio between the cross-sectional area of the gross area of institute's grooved hole (633) and outer tube pipe (611) is 0.5～2.5.
5. the cyclone separator with double in-and outlet according to claim 4, it is characterized in that: described slotted eye (633) is isosceles trapezoid hole, the long base in described isosceles trapezoid hole is positioned at the upside of inner conical pipe (632), and the short base in described isosceles trapezoid hole is positioned at the downside of inner conical pipe (632).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729367.8U CN203610225U (en) | 2013-11-18 | 2013-11-18 | Cyclone separator provided with double inlets and double outlets |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320729367.8U CN203610225U (en) | 2013-11-18 | 2013-11-18 | Cyclone separator provided with double inlets and double outlets |
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| Publication Number | Publication Date |
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| CN203610225U true CN203610225U (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320729367.8U Expired - Lifetime CN203610225U (en) | 2013-11-18 | 2013-11-18 | Cyclone separator provided with double inlets and double outlets |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646193A (en) * | 2013-11-18 | 2015-05-27 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104907189A (en) * | 2015-07-02 | 2015-09-16 | 泸州北方化学工业有限公司 | Particle material gas-solid separator |
| CN104959245A (en) * | 2015-06-23 | 2015-10-07 | 泸州北方化学工业有限公司 | Granular material gas-solid separation collector |
-
2013
- 2013-11-18 CN CN201320729367.8U patent/CN203610225U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104646193A (en) * | 2013-11-18 | 2015-05-27 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104646193B (en) * | 2013-11-18 | 2017-02-15 | 上海卓旋化工科技有限公司 | Cyclone separator provided with double inlets and double outlets |
| CN104959245A (en) * | 2015-06-23 | 2015-10-07 | 泸州北方化学工业有限公司 | Granular material gas-solid separation collector |
| CN104907189A (en) * | 2015-07-02 | 2015-09-16 | 泸州北方化学工业有限公司 | Particle material gas-solid separator |
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