CN108201979A - A kind of pulverized-coal collector - Google Patents
A kind of pulverized-coal collector Download PDFInfo
- Publication number
- CN108201979A CN108201979A CN201810224682.2A CN201810224682A CN108201979A CN 108201979 A CN108201979 A CN 108201979A CN 201810224682 A CN201810224682 A CN 201810224682A CN 108201979 A CN108201979 A CN 108201979A
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- Prior art keywords
- steady
- stick
- center line
- mixed part
- pulverized
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- 239000003245 coal Substances 0.000 title claims abstract description 31
- 241000446313 Lamella Species 0.000 claims description 3
- 238000005119 centrifugation Methods 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000000843 powder Substances 0.000 description 45
- 238000010586 diagram Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 241001582888 Lobus Species 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/08—Vortex chamber constructions
- B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
Landscapes
- Cyclones (AREA)
Abstract
The invention discloses a kind of pulverized-coal collectors, including cylindrical housings (4) and conical shell (5) setting up and down, exhaust pipe (2) is arranged in cylindrical housings (4), cylindrical housings (4) are connected with tangential admission mouth (1), centrifuge blade layer is equipped between cylindrical housings (4) and exhaust pipe (2), the centrifuge blade layer contains multiple centrifuge blades (3), the multiple centrifuge blade (3) is arranged in order along the circumferential direction of cylindrical housings (4), steady vortex structure part (6) is equipped in conical shell (5), steady steady whirlpool stick (7) of the vortex structure part (6) containing interconnection and anti-mixed part (8).The pulverized-coal collector improves the separative efficiency of pulverized-coal collector by increasing steady whirlpool stick, anti-mixed part.
Description
Technical field
The present invention relates to powder separation equipment field, a kind of particularly pulverized-coal collector.
Background technology
Pulverized-coal collector is one important equipment of the ball type pulverizer system, and main function is that powder is detached from gas-solid system
Out, it is used in the industries such as power plant, cement industry, chemical industry, metallurgy extensively.At present, fine powder isolation technics is traditional whirlwind
Isolation technics, i.e. tangential inlet enter, and are centrifuged powder and are separated from bottom.But existing separator is asked there are following
Topic：Separator exhaust pipe carries blade and shutter, influences separated space around；It centrifuges whirlpool stabilization to be difficult to control, cause
Equipment flow field is unstable, low separation efficiency；Secondary droplets are serious, and powder is caused to be carried from exhaust pipe and is discharged, separative efficiency is high, gas
Powder containing quantity increases in body；These will all influence equipment efficiency of usage.For coal-burning boiler, pulverized coal preparation system mill exhauster damage in impeller is tight
Weight, unburned carbon in flue dust are big, and cooling water consumption is excessive etc., achieve energy-saving and emission reduction purposes.
Chinese patent CN 203448201U, are disclosed on 2 6th, 2014 publication date《One kind for 100MW~
The pulverized-coal collector of 1500MW coal-fired plant boiler bin systems》.Wherein, gas and solid powder from tangential inlet into
Entering, then generate centrifugal rotation through housing and cavity successively, powder is discharged from powder outlet, and gas rotating enters exhaust outlet discharge,
Wherein anti-mixed cone plays the role of preventing powder secondary droplets.
But there is also following shortcomings for the pulverized-coal collector：1st, prevent that mixed part position is single, with tangential inlet velocity variations,
Position needs to change；2nd, steady whirlpool effect is bad, easily causes turbo-charger set and reaches Sidewall effect separation；3rd, separate mode is single, fast
Spend it is low enter generate centrifugal force it is too low when, separative efficiency can be very low.
Invention content
In order to solve the problems, such as existing pulverized-coal collector low separation efficiency, the present invention provides a kind of pulverized-coal collectors, should
Pulverized-coal collector improves the separative efficiency of pulverized-coal collector by increasing steady whirlpool stick, anti-mixed part.
The technical solution adopted by the present invention to solve the technical problems is：A kind of pulverized-coal collector includes circle setting up and down
Cylindrical shell and conical shell are arranged with exhaust pipe in cylindrical housings, and cylindrical housings are connected with tangential admission mouth, cylindrical
Centrifuge blade layer is equipped between housing and exhaust pipe, which contains multiple centrifuge blades, the multiple centrifuge blade
It is arranged in order along the circumferential direction of cylindrical housings, steady vortex structure part is equipped in conical shell, steady vortex structure part contains interconnection
Steady whirlpool stick and anti-mixed part.
The center line of cylindrical housings, the center line of conical shell, the center line of exhaust pipe, the center line of steady whirlpool stick and anti-
The center line of mixed part overlaps, and the center line of cylindrical housings vertically sets, is equipped between cylindrical housings and exhaust pipe
Two centrifuge blade layers, two centrifuge blade layers are setting up and down, and two centrifuge blade layers are respectively positioned on exhaust pipe
Lower end and tangential admission mouth between.
The upper end of the centrifuge blade layer being located above is concordant with the lower end of tangential admission mouth, it is underlying it is described from
The lower end of lobus cardiacus lamella is concordant with the lower end of exhaust pipe, and the height of centrifuge blade is 100mm~2000mm, centrifuge blade and level
Angle between face is more than 0 ° and less than 45 °, between the centrifuge blade and horizontal plane in the centrifuge blade layer being located above
Angle be less than or equal to the underlying centrifuge blade layer in centrifuge blade and horizontal plane between angle.
Be equipped with multiple steady vortex structure parts in conical shell, multiple steady vortex structure parts along conical shell centerline direction successively
Arrangement, steady whirlpool stick are in upright state, and anti-mixed part is located at the upper end or lower end of steady whirlpool stick.
Anti- mixed part is truncated cone structure, and the center line of anti-mixed part is overlapped with the center line of steady whirlpool stick, prevents the top of mixed part
It faces upward or downward, prevents that the diameter on the top of mixed part is equal to the diameter of steady whirlpool stick.
Anti- mixed part is taper barrel structure, and the center line of anti-mixed part is overlapped with the center line of steady whirlpool stick, prevents the top of mixed part
Upward, prevent that mixed part is sheathed on outside steady whirlpool stick, prevent that the wall thickness of mixed part is uniform, prevent that the barrel of mixed part is equipped with through-hole, through-hole
Centerline parallel is in the center line of steady whirlpool stick.
Anti- mixed part is oblate cylindricality structure, and the center line of anti-mixed part is overlapped with the center line of steady whirlpool stick, prevents the outer diameter of mixed part
More than the diameter of steady whirlpool stick, prevent that mixed part is equipped with multiple through-holes, multiple through-holes are evenly distributed along the circumferential directions of anti-mixed parts, and through-hole is to preventing
The distance of the center line of mixed part is more than the radius of steady whirlpool stick, and the centerline parallel of through-hole is in the center line of steady whirlpool stick.
Steady whirlpool stick is cylindrical structure, and steady whirlpool stick is externally provided with flight, fine particle in the rotation direction conical shell of flight
Rotation direction it is identical.
The lower end of conical shell is externally provided with hopper, and the lower end of the steady vortex structure part of bottom is located at the lower end of conical shell
The lower end of top 10mm~500mm or the steady vortex structure part of bottom be located at the lower section 10mm of the lower end of conical shell~
500mm。
The distance between the upper end of the steady vortex structure part of the top and the lower end of exhaust pipe are more than 100mm, cylindrical housings
Upper end and the distance between tangential admission mouth be less than or equal to 500mm, between the lower end of exhaust pipe and tangential admission mouth away from
From more than 100mm.
The beneficial effects of the invention are as follows：
1st, solve the problems, such as that swirling eddy is unstable.
2nd, prevent secondary droplets from powder being caused to be discharged from exhaust outlet.
3rd, solve the problems, such as that centrifugation is hypodynamic by multi-stage separation.
4th, solve the problems, such as that the flexibility in steady whirlpool is insufficient.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.
Fig. 1 is the structure diagram of pulverized-coal collector described in embodiment 1.
Fig. 2 is the structure diagram of pulverized-coal collector described in embodiment 2.
Fig. 3 is the structure diagram of the first anti-mixed part.
Fig. 4 is the structure diagram of second of anti-mixed part.
Fig. 5 is the structure diagram of the third anti-mixed part.
Fig. 6 is the structure diagram of the 4th kind of anti-mixed part.
Fig. 7 is the structure diagram of steady vortex structure part.
1st, tangential admission mouth；2nd, exhaust pipe；3rd, centrifuge blade；4th, cylindrical housings；5th, conical shell；6th, steady vortex structure
Part；7th, steady whirlpool stick；8th, prevent mixed part；9th, powder exports；10th, hopper；
71st, flight；81st, through-hole.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of pulverized-coal collector including cylindrical housings 4 and conical shell 5 setting up and down, is arranged in cylindrical housings 4
There is exhaust pipe 2, cylindrical housings 4 are connected with tangential admission mouth 1, and centrifuge blade is equipped between cylindrical housings 4 and exhaust pipe 2
Layer, the centrifuge blade layer contain multiple centrifuge blades 3, and the multiple centrifuge blade 3 is arranged successively along the circumferential direction of cylindrical housings 4
Row, conical shell 5 is interior to be equipped with steady vortex structure part 6, and steady vortex structure part 6 is containing the steady whirlpool stick 7 being connected with each other and prevents mixed part 8, such as Fig. 1
Shown in Fig. 2.
In the present invention, cylindrical housings 4 are in upright state, i.e. the center line of cylindrical housings 4 is vertically set,
The mixture of gas and powder is after tangential admission mouth 1 enters cylindrical housings 4, and under gravity, which will be according to
It is secondary to be moved downward along cylindrical housings 4 and the rotation of 5 inner surface of conical shell.Cylindrical housings 4 and conical shell 5 form closing
Cavity, upper end and the exhaust pipe 2 of cylindrical housings 4 be tightly connected, and the upper end of exhaust pipe 2 is the outlet of exhaust pipe 2, for arranging
Go out gas, the lower end of exhaust pipe 2 is the entrance of exhaust pipe 2.The lower end of conical shell 5 exports 9 for powder, for discharging powder.
In the present invention, the center line of cylindrical housings 4, the center line of conical shell 5, the center line of exhaust pipe 2, steady whirlpool
The center line of the center line of stick 7 and anti-mixed part 8 overlaps, i.e. cylindrical housings 4, conical shell 5, exhaust pipe 2 and steady vortex structure part 6
In upright state, multiple centrifuge blade layers can be equipped between cylindrical housings 4 and exhaust pipe 2, it is multiple it is described from
Lobus cardiacus lamella is respectively positioned between the lower end of exhaust pipe 2 and tangential admission mouth 1.
Wherein, the quantity of centrifuge blade 3 can be 3~10 in the centrifuge blade layer, and centrifuge blade 3 is along cylinder
Shape housing 4 is arranged circumferentially, and the effect of centrifuge blade 3 is further generation centrifugal force.The rotation direction of centrifuge blade 3 is with mixing
The direction that conjunction object rotates in cylindrical housings 4 is identical, and centrifuge blade 3 will not cause to stop to the movement of the mixture.
In the present invention, multiple (1~10) steady vortex structure part 6, multiple steady vortex structure parts 6 are equipped in conical shell 5
It is arranged in order along the centerline direction of conical shell 5, each center line of steady vortex structure part 6 overlaps, adjacent two steady whirlpool knots
It can closely be connected between component 6, steady whirlpool stick 7 is in upright state, prevents that mixed part 8 can be located at the upper end or lower end of steady whirlpool stick 7,
Specific, anti-mixed part 8, which is located at the upper end of steady whirlpool stick 7 or lower end, to be selected as needed, as shown in Figure 1, conical shell 5
6 steady vortex structure parts 6 are inside equipped with, anti-mixed part 8 is entirely located in the lower end of steady whirlpool stick 7 or as shown in Fig. 2, is equipped in conical shell 5
6 steady vortex structure parts 6, anti-mixed part 8 are entirely located in the lower end of steady whirlpool stick 7, in four steady vortex structure parts 6 of top, prevent mixed part 8 entirely
Portion is located at the lower end of steady whirlpool stick 7, and in two steady vortex structure parts 6 of top, anti-mixed part 8 is entirely located in the upper end of steady whirlpool stick 7.
In the present invention, prevent that mixed part 8 can be there are many realization method.For example, anti-mixed part 8 is truncated cone structure, prevent mixed
The center line of part 8 is overlapped with the center line of steady whirlpool stick 7, and the top of anti-mixed part 8 faces upward or downward, and prevents the diameter on the top of mixed part 8
Equal to the diameter of steady whirlpool stick 7, as shown in Figure 3.Alternatively, anti-mixed part 8 or taper barrel structure, the center line of anti-mixed part 8
It is overlapped with the center line of steady whirlpool stick 7, the top for preventing mixed part 8 upward, prevents that mixed part 8 is sheathed on outside steady whirlpool stick 7, prevents the barrel of mixed part 8
Thickness uniformly or non-uniformly, can be provided with or without through-hole 81, the centerline parallel of through-hole 81 is in steady on the barrel of anti-mixed part 8
The center line of whirlpool stick 7, as shown in Figure 4 and Figure 5.Alternatively, anti-mixed part 8 can also be oblate cylindricality structure, the center line of mixed part 8 is prevented
It is overlapped with the center line of steady whirlpool stick 7, prevents that the outer diameter of mixed part 8 is more than the diameter of steady whirlpool stick 7, prevent that mixed part 8 is equipped with multiple through-holes 81,
Multiple through-holes 81 are evenly distributed along the circumferential direction of anti-mixed part 8, and the distance of through-hole 81 to the center line of anti-mixed part 8 is more than steady whirlpool stick 7
Radius, the centerline parallel of through-hole 81 is in the center line of steady whirlpool stick 7, as shown in Figure 6.
In the present invention, as shown in fig. 7, steady whirlpool stick 7 is cylindrical structure, steady whirlpool stick 7 is externally provided with flight 71, flight
The rotation direction of fine particle is identical in 71 rotation direction conical shell 5.Flight 71 can be such that fluid is run in certain track, and more
Make anti-mixed part blocking powder well, improve powder separative efficiency.
The course of work of the pulverized-coal collector is described below：
The mixture of gas and powder is after tangential admission mouth 1 enters cylindrical housings 4, and under gravity, this is mixed
It closes the powder in object to move downward along cylindrical housings 4 and the rotation of 5 inner surface of conical shell successively, then exports 9 rows from powder
Go out and collected by hopper 10.Gas in the mixture is discharged after entering from the lower end of exhaust pipe 2 from the upper end of exhaust pipe 2, such as
Shown in Fig. 1 and Fig. 2.
The embodiment that the pulverized-coal collector may be used in actual use is described below：
Embodiment 1
The present embodiment is not only containing above-mentioned technical characteristic, also containing following technical characteristic：
It is set between cylindrical shell 4 and exhaust pipe 2 there are two the centrifuge blade layer, is divided on two centrifuge blade layers
It puts, two centrifuge blade layers are respectively positioned between the lower end of exhaust pipe 2 and tangential admission mouth 1.The centrifugation being located above
The upper end of blade layer is concordant with the lower end of tangential admission mouth 1, lower end and the exhaust pipe 2 of the underlying centrifuge blade layer
Lower end is concordant, and the height of centrifuge blade 3 is 100mm~2000mm, and the angle between centrifuge blade 3 and horizontal plane is more than 0 ° and small
In 45 °, the angle between centrifuge blade 3 and horizontal plane in the centrifuge blade layer being located above is less than or equal under being located at
The angle between centrifuge blade 3 and horizontal plane in the centrifuge blade layer of side, as shown in Figure 1.
In the present embodiment, the lower end of the steady vortex structure part 6 of bottom be located at the top 10mm of the lower end of conical shell 5~
The lower end of the steady vortex structure part 6 of 500mm, i.e. bottom is located at the top of the lower end of conical shell 5, the steady vortex structure part of bottom
The distance between 6 lower end and the lower end of conical shell 5 H1 are 10mm~500mm.
In the present embodiment, the upper end of the steady vortex structure part 6 of the top is more than with the distance between the lower end of exhaust pipe 2 H2
100mm, the distance between the upper end of cylindrical housings 4 and tangential admission mouth 1 H3 are less than or equal to 500mm, the lower end of exhaust pipe 2
The distance between tangential admission mouth 1 H4 is more than 100mm.
Embodiment 2
The present embodiment is a kind of improvement to embodiment 1, the present embodiment and embodiment 1 difference lies in：Bottom it is steady
The lower end of vortex structure part 6 is located at lower section 10mm~500mm of the lower end of conical shell 5, i.e., under the steady vortex structure part 6 of bottom
End is located at the lower section of the lower end of conical shell 5, between the lower end of steady vortex structure part 6 of bottom and the lower end of conical shell 5
Distance H1 is 10mm~500mm, as shown in Figure 2.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
Embodiment 3
In the present embodiment, gas and powder are entered by tangential admission mouth 1, through between cylindrical housings 4 and exhaust pipe 2
Cavity, then through conical shell 5, gas-solid is made to generate rotational flow field, then powder is from 9 discharge of powder outlet, gas and a small amount of
Anti- mixed part 8 of the fine powder through oblate cylindricality or cone barrel, wherein the anti-mixed part 8 of cone barrel is without through-hole, and a small amount of powder is by anti-mixed part 8
Under gear, gas is gone out from exhaust pipe 2.
Wherein, when multiple steady vortex structure parts 6 are equipped in conical shell 5, the taper of the anti-mixed part 8 of cone barrel can be along from upper
Downwardly direction gradually increases or reduces.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
Embodiment 4
In the present embodiment, gas and powder are entered by tangential admission mouth 1, generate centrifugal force, through cylindrical housings 4 with
Centrifuge blade 3 in cavity between exhaust pipe 2, mainly further enhances centrifugal force, then through conical shell 5, generates gas-solid
Rotational flow field, then powder is from 9 discharge of powder outlet, and gas and a small amount of fine powder are through the steady whirlpool stick 7 with rotational structure, a small amount of powder
By under anti-mixed part gear, gas is gone out from exhaust pipe 2.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
Embodiment 5
In the present embodiment, gas and powder are entered by tangential admission mouth 1, through between cylindrical housings 4 and exhaust pipe 2
Cavity then through conical shell 5, makes gas-solid generate rotational flow field, and then powder is from 9 discharge of powder outlet, gas and a small amount of thin
Steady vortex structure part 6 of the powder through board-like anti-mixed part with holes, under a small amount of powder is kept off by anti-mixed part, gas around steady whirlpool stick and through via from
Exhaust pipe 2 is gone out.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
Embodiment 6
In the present embodiment, gas and powder are entered by tangential admission mouth 1, through the sky between cylindrical shell 4 and exhaust pipe 2
Chamber then through conical shell 5, makes gas-solid generate rotational flow field, and then powder is discharged from powder outlet 9, gas and a small amount of fine powder
Through the steady whirlpool stick 7 with rotational structure (such as flight 71), under a small amount of powder is kept off by anti-mixed part, gas is gone out from exhaust pipe 2.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
Embodiment 7
In the present embodiment, gas and powder are entered by tangential admission mouth 1, through the sky between cylindrical shell 4 and exhaust pipe 2
Chamber then through conical shell 5, makes gas-solid generate rotational flow field, and then powder is discharged from powder outlet 9, gas and a small amount of fine powder
The steady vortex structure part 6 of anti-mixed part 8 through the cone barrel with through-hole, under a small amount of powder prevents that mixed part is kept off by umbrella, gas surrounds steady whirlpool
It stick 7 and goes out through via from exhaust pipe 2.
Other technical characteristics in the present embodiment can technical characteristic in the use embodiment 1 of selectivity, in order to save a piece
Width, the present invention are no longer discussed in detail.
The above, only specific embodiments of the present invention, it is impossible to the range that its restriction invention is implemented, so it is equivalent
The displacement of component or the equivalent variations made according to scope of patent protection of the present invention and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with
Use can be freely combined between technical solution.
Claims (10)
1. a kind of pulverized-coal collector, which is characterized in that the pulverized-coal collector includes cylindrical housings (4) setting up and down and cone
Shape housing (5), cylindrical housings (4) are interior to be arranged with exhaust pipe (2), and cylindrical housings (4) are connected with tangential admission mouth (1), circle
Centrifuge blade layer is equipped between cylindrical shell (4) and exhaust pipe (2), which contains multiple centrifuge blades (3), described
Multiple centrifuge blades (3) are arranged in order along the circumferential direction of cylindrical housings (4), and steady vortex structure part (6) is equipped in conical shell (5),
Steady steady whirlpool stick (7) of the vortex structure part (6) containing interconnection and anti-mixed part (8).
2. pulverized-coal collector according to claim 1, which is characterized in that center line, the conical shell of cylindrical housings (4)
(5) center line, the center line of exhaust pipe (2), the center line of steady whirlpool stick (7) and the anti-center line for mixing part (8) overlaps, cylindrical
The center line of housing (4) is vertically set, and is set between cylindrical housings (4) and exhaust pipe (2) there are two the centrifugation leaf
Lamella, two centrifuge blade layers are setting up and down, and two centrifuge blade layers are respectively positioned on the lower end of exhaust pipe (2) and tangential
Between feed inlet (1).
3. pulverized-coal collector according to claim 1, which is characterized in that the upper end of the centrifuge blade layer being located above
Concordant with the lower end of tangential admission mouth (1), the lower end of the underlying centrifuge blade layer under exhaust pipe (2) with holding level with both hands
Together, the height of centrifuge blade (3) is 100mm~2000mm, and angle of the centrifuge blade (3) between horizontal plane is more than 0 ° and is less than
45 °, angle of the centrifuge blade (3) between horizontal plane in the centrifuge blade layer being located above is less than or equal to be located under
Angle of the centrifuge blade (3) between horizontal plane in the centrifuge blade layer of side.
4. pulverized-coal collector according to claim 1, which is characterized in that multiple steady vortex structures are equipped in conical shell (5)
Part (6), multiple steady vortex structure parts (6) are arranged in order along the centerline direction of conical shell (5), steady whirlpool stick (7) in upright state,
Anti- mixed part (8) is positioned at the upper end or lower end of steady whirlpool stick (7).
5. pulverized-coal collector according to claim 1, which is characterized in that anti-mixed part (8) is truncated cone structure, prevents mixed part
(8) center line is overlapped with the center line of steady whirlpool stick (7), and the top of anti-mixed part (8) faces upward or downward, and prevents the top of mixed part (8)
Diameter be equal to steady whirlpool stick (7) diameter.
6. pulverized-coal collector according to claim 1, which is characterized in that anti-mixed part (8) is taper barrel structure, prevents mixed part
(8) center line is overlapped with the center line of steady whirlpool stick (7), and the top for preventing mixed part (8) upward, prevents that mixed part (8) is sheathed on steady whirlpool stick
(7) outside, prevent that the wall thickness of mixed part (8) is uniform, prevent that the barrel of mixed part (8) is equipped with through-hole (81), the center line of through-hole (81)
It is parallel to the center line of steady whirlpool stick (7).
7. pulverized-coal collector according to claim 1, which is characterized in that anti-mixed part (8) is oblate cylindricality structure, prevents mixed part
(8) center line is overlapped with the center line of steady whirlpool stick (7), is prevented that the outer diameter of mixed part (8) is more than the diameter of steady whirlpool stick (7), is prevented mixed part
(8) multiple through-holes (81) are equipped with, multiple through-holes (81) are evenly distributed along the circumferential direction of anti-mixed part (8), through-hole (81) to anti-mixed part
(8) distance of center line is more than the radius of steady whirlpool stick (7), and the centerline parallel of through-hole (81) is in the center line of steady whirlpool stick (7).
8. pulverized-coal collector according to claim 1, which is characterized in that steady whirlpool stick (7) is cylindrical structure, steady whirlpool stick
(7) flight (71) is externally provided with, the rotation direction of rotation direction conical shell (5) interior fine particle of flight (71) is identical.
9. pulverized-coal collector according to claim 4, which is characterized in that the lower end of conical shell (5) is externally provided with hopper
(10), the lower end of the steady vortex structure part (6) of bottom is located at top 10mm~500mm or most of the lower end of conical shell (5)
The lower end of the steady vortex structure part (6) of lower section is located at lower section 10mm~500mm of the lower end of conical shell (5).
10. pulverized-coal collector according to claim 1, which is characterized in that the upper end of the steady vortex structure part (6) of the top with
The distance between lower end of exhaust pipe (2) be more than 100mm, between the upper end of cylindrical housings (4) and tangential admission mouth (1) away from
From less than or equal to 500mm, the distance between the lower end of exhaust pipe (2) and tangential admission mouth (1) are more than 100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810224682.2A CN108201979B (en) | 2018-03-19 | 2018-03-19 | Fine powder separator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810224682.2A CN108201979B (en) | 2018-03-19 | 2018-03-19 | Fine powder separator |
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| Publication Number | Publication Date |
|---|---|
| CN108201979A true CN108201979A (en) | 2018-06-26 |
| CN108201979B CN108201979B (en) | 2024-03-19 |
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|---|---|---|---|
| CN201810224682.2A Active CN108201979B (en) | 2018-03-19 | 2018-03-19 | Fine powder separator |
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| CN (1) | CN108201979B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772605A (en) * | 2019-01-15 | 2019-05-21 | 王逸飞 | A kind of gas-solid separator of flue gas |
| CN111530645A (en) * | 2020-04-29 | 2020-08-14 | 华电电力科学研究院有限公司 | Stable vortex type multistage cyclone coarse powder separator and working method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109772605A (en) * | 2019-01-15 | 2019-05-21 | 王逸飞 | A kind of gas-solid separator of flue gas |
| CN111530645A (en) * | 2020-04-29 | 2020-08-14 | 华电电力科学研究院有限公司 | Stable vortex type multistage cyclone coarse powder separator and working method thereof |
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