CN104741208B - Novel stirring device - Google Patents
Novel stirring device Download PDFInfo
- Publication number
- CN104741208B CN104741208B CN201310745187.3A CN201310745187A CN104741208B CN 104741208 B CN104741208 B CN 104741208B CN 201310745187 A CN201310745187 A CN 201310745187A CN 104741208 B CN104741208 B CN 104741208B
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- CN
- China
- Prior art keywords
- impeller
- agitator tank
- stirring apparatus
- damping layer
- rubber damping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a novel stirring device. The novel stirring device comprises a stirring tank, wherein a support rod is vertically arranged in the stirring tank; a slide sleeve is arranged on the support rod in a sliding manner; a rotating motor is arranged on the slide sleeve, and is connected with an impeller; the impeller is spirally arranged on the slide sleeve; the bottom of the stirring tank is a downwards projected conical surface; multiple annular baffle plates concentric with the bottom surface are arranged on the bottom surface of the stirring tank; multiple rows of water outlet holes are uniformly formed in the side wall of the stirring tank; multiple water inlet holes are formed in the bottom of the stirring tank; filter screens are arranged on the water inlet holes; and a circulating water pump is arranged between the water inlet holes and the water outlet holes. The novel stirring device can improve the defects in the prior art, is simple in structure, realizes self-adaptive adjustment of stirring strength, and is high in separation degree of cleaned coals and coal gangues.
Description
Technical field
The present invention relates to a kind of mixing plant of coal washing device, especially a kind of stirring apparatus.
Background technology
Before carrying out coal washing refine to coal, need for coal and water to carry out mix and blend.Existing mixed stirring device
In order to control stirring intensity, typically use PLC cooperation converter and carry out frequency control, equipment investment is big, and circuit is complicated, safeguards
High cost, and mixed coal water mixture separating difficulty is also big.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of stirring apparatus, can improve the deficiencies in the prior art,
Structure is simple it is achieved that the Automatic adjusument of stirring intensity, cleaned coal and gangue separating degree are high.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows.
A kind of stirring apparatus, including agitator tank, are vertically arranged with support bar in agitator tank, setting that support bar slides
There is sliding sleeve, sliding sleeve is provided with electric rotating machine, electric rotating machine is connected with impeller, helically line is arranged on sliding sleeve impeller；Stirring
The bottom of tank is the downwardly projecting conical surface, and the bottom surface of agitator tank is provided with several ring baffles concentric with bottom surface；Stirring
Be evenly arranged with the side wall of tank some list water hole, the bottom of agitator tank is provided with several inlet openings, on inlet opening arrange
There is drainage screen, between inlet opening and apopore, be provided with water circulating pump.
Preferably, described support bar is provided with several chutes, it is provided with inside described sliding sleeve and matches with chute
The surface of slide block, chute and slide block is respectively arranged with the first rubber damping layer and the second rubber damping layer, the first rubber damping layer
Thickness be gradually increased to top by bottom, between slide block and sliding sleeve pass through spring be connected.
Preferably, described first rubber damping layer outer surface is plane, the slope k of plane is 10.
Preferably, described first rubber damping layer outer surface is cambered surface, the slope k of cambered surface meets below equation,
K=y/200,
Wherein y is with support bar bottom surface as initial point, and the first rubber damping layer is in the Y value on support bar, metering
Unit is millimeter.
Preferably, the upper and lower ends of described slide block have been respectively articulated with cleaning plate, inside cleaning plate and described chute closely
Contact.
Preferably, the height of described ring baffle is in Geometric Sequence being distributed, the height of ring baffle is by agitator tank
The heart is gradually increased to outside.
Preferably, the hand of spiral of described impeller is 10 °～15 ° with the first angle α of horizontal direction, impeller is along width
The section in direction is arc, and the line of cambered top end to arc bottom is 13 °～20 ° with the second angle β of horizontal plane；Impeller width
The horizontal range in degree direction and the ratio of distances constant of impeller tip to agitator tank 1 inwall are 5:1.
Preferably, the inclined bottom surface angle of described agitator tank is 25 °.
Preferably, described impeller top is provided with spoiler diagonally downward.
Preferably, described inlet opening is in truncated cone-shaped, the water inlet end internal diameter of inlet opening is less than water side internal diameter；Apopore
Internal diameter is gradually reduced from top to bottom.
Using having the beneficial effects that technique scheme is brought：Impeller in the present invention can be according to rotating speed speed band
Dynamic sliding over moves up and down on support bar, and when rotating speed increases, recoil strength increases, and impeller drives sliding sleeve to move up, and works as rotating speed
Otherwise when less.Cleaned coal and gangue layering can be stored by multiple ring baffles, improve separation rate.The present invention utilizes fluid certainly
The recoil strength that body produces realizes the self-adaptative adjustment of stirring intensity, without variable frequency adjustment, has saved equipment purchasing and maintenance cost.
Brief description
Fig. 1 is the schematic diagram of first preferred embodiment of the invention.
Fig. 2 is the schematic diagram that in first preferred embodiment of the invention, sliding sleeve is connected with support bar.
Fig. 3 is the schematic diagram that in second preferred embodiment of the invention, sliding sleeve is connected with support bar.
Fig. 4 is the schematic diagram of the first angle α in first preferred embodiment of the invention.
Fig. 5 is the schematic diagram of the second angle β in first preferred embodiment of the invention.
In figure：1st, agitator tank；2nd, support bar；3rd, sliding sleeve；4th, electric rotating machine；5th, impeller；6th, ring baffle；7th, apopore；
8th, inlet opening；9th, spoiler；10th, water circulating pump；11st, chute；12nd, slide block；13rd, the first rubber damping layer；14th, spring；15th, clear
Reason plate；16th, drainage screen；17th, the second rubber damping layer α, the first angle；β, the second angle.
Specific embodiment
First preferred embodiment
With reference to Fig. 1-2, the first preferred embodiment of the present invention includes agitator tank 1, is vertically arranged with support bar in agitator tank 1
2, support bar 2 slides and is provided with sliding sleeve 3, sliding sleeve 3 is provided with electric rotating machine 4, electric rotating machine 4 is connected with impeller 5, impeller 5
Helically line is arranged on sliding sleeve 3；The bottom of agitator tank 1 is the downwardly projecting conical surface, and the bottom surface of agitator tank 1 is provided with three
The ring baffle 6 concentric with bottom surface；It is evenly arranged with 12 on the side wall of agitator tank 1 and lists water hole 7, the bottom of agitator tank 1 sets
It is equipped with several inlet openings 8, inlet opening 8 is provided with drainage screen 16, between inlet opening 8 and apopore 7, is provided with water circulating pump
10.
It should be noted that described support bar 2 is provided with several chutes 11, it is provided with and chute inside described sliding sleeve 3
The slide block 12 that 11 match, the surface of chute 11 and slide block 12 is respectively arranged with the first rubber damping layer 13 and the second rubber damping
Layer 17, the thickness of the first rubber damping layer 13 is gradually increased to top by bottom, passes through spring 14 phase between slide block 12 and sliding sleeve 3
Even.
It should be noted that described first rubber damping layer 13 outer surface is plane, the slope k of plane is 10.
It should be noted that the upper and lower ends of described slide block 12 have been respectively articulated with cleaning plate 15, cleaning plate 15 and described cunning
Groove 11 inner side is in close contact.
It should be noted that the height of described ring baffle 6 is in Geometric Sequence being distributed, the height of ring baffle 6 is by stirring
The center of tank 1 is gradually increased to outside.The ratio of the height of two neighboring ring baffle 6 is 3:1.
It should be noted that the hand of spiral of described impeller 5 is 12 ° with the first angle α of horizontal direction, impeller 5 is along width
The section in degree direction is arc, and the line of cambered top end to arc bottom is 14 ° with the second angle β of horizontal plane；Impeller 5 width
The horizontal range in direction is 5 with the ratio of distances constant of impeller 5 top to agitator tank 1 inwall:1.
It should be noted that described impeller 5 top is provided with spoiler 9 diagonally downward.Spoiler 9 and horizontal direction
Angle of inclination is 30 °, and the length of spoiler 9 is the 20% of impeller cross-sectional horizontal distance.
It should be noted that the inclined bottom surface angle of described agitator tank 1 is 25 °.
Additionally, the internal diameter of described apopore 7 is gradually reduced from top to bottom；Described inlet opening 8 is in truncated cone-shaped, inlet opening 8
Water inlet end internal diameter is less than water side internal diameter.The water inlet end internal diameter of inlet opening 8 and the ratio of water side internal diameter are 1:4.
Second preferred embodiment
With reference to Fig. 3, second preferred embodiment of the present invention includes agitator tank 1, is vertically arranged with support bar 2 in agitator tank 1,
Slide on support bar 2 and be provided with sliding sleeve 3, sliding sleeve 3 is provided with electric rotating machine 4, electric rotating machine 4 is connected with impeller 5, impeller 5 is in
Helix is arranged on sliding sleeve 3；The bottom of agitator tank 1 is the downwardly projecting conical surface, the bottom surface of agitator tank 1 is provided with five with
The concentric ring baffle in bottom surface 6；It is evenly arranged with eight on the side wall of agitator tank 1 and lists water hole 7, the bottom of agitator tank 1 is provided with
Several inlet openings 8, inlet opening 8 are provided with drainage screen 16, are provided with water circulating pump 10 between inlet opening 8 and apopore 7.
It should be noted that described support bar 2 is provided with several chutes 11, it is provided with and chute inside described sliding sleeve 3
The slide block 12 that 11 match, the surface of chute 11 and slide block 12 is respectively arranged with the first rubber damping layer 13 and the second rubber damping
Layer 17, the thickness of the first rubber damping layer 13 is gradually increased to top by bottom, passes through spring 14 phase between slide block 12 and sliding sleeve 3
Even.
It should be noted that described first rubber damping layer 13 outer surface is cambered surface, the slope k of cambered surface meets following public affairs
Formula,
K=y/200,
Wherein y is with support bar 2 bottom surface as initial point, and the first rubber damping layer 13 is in the Y value on support bar 2,
Measurement unit is millimeter.
It should be noted that the upper and lower ends of described slide block 12 have been respectively articulated with cleaning plate 15, cleaning plate 15 and described cunning
Groove 11 inner side is in close contact.
It should be noted that the height of described ring baffle 6 is in Geometric Sequence being distributed, the height of ring baffle 6 is by stirring
The center of tank 1 is gradually increased to outside.The ratio of the height of two neighboring ring baffle 6 is 2:1.
It should be noted that the hand of spiral of described impeller 5 is 14 ° with the first angle α of horizontal direction, impeller 5 is along width
The section in degree direction is arc, and the line of cambered top end to arc bottom is 20 ° with the second angle β of horizontal plane；Impeller 5 width
The horizontal range in direction is 5 with the ratio of distances constant of impeller 5 top to agitator tank 1 inwall:1.
It should be noted that described impeller 5 top is provided with spoiler 9 diagonally downward.Spoiler 9 and horizontal direction
Angle of inclination is 35 °, and the length of spoiler 9 is the 25% of impeller cross-sectional horizontal distance
It should be noted that the inclined bottom surface angle of described agitator tank 1 is 25 °.
Additionally, the internal diameter of described apopore 7 is gradually reduced from top to bottom；Described inlet opening 8 is in truncated cone-shaped, inlet opening 8
Water inlet end internal diameter is less than water side internal diameter.The water inlet end internal diameter of inlet opening 8 and the ratio of water side internal diameter are 1:4.
The operation principle of the present invention is：Impeller 5, during rotation, mixed liquor is stirred downwards, meanwhile impeller 5
Receive mixed liquor recoil strength upwards, in mixed liquor, the weight of coal dust is different with granular size, the resistance that impeller 5 is produced is not yet
With, under same power inputs, impeller 5 can produce different rotating speeds, and then produces different stirring intensities.When 5 turns of impeller
When speed rises, recoil strength increases, and impeller 5 is pushed upwardly, during upwardly, due to the first rubber damping layer 13
Thickness is gradually increased, and impeller 5 resistance upwards is gradually increased, when motive force upwards and impeller 5 self gravitation and frictional force phase
During balance, impeller 5 is just in steady statue.When motive force reduces, impeller 5 relies on self gravitation to decline, in the work of spring 14
With under, the first rubber damping layer 13 and the second rubber damping layer 17 produce frictional force, realize the slow decline of impeller 5.In impeller 5
While mixing, mixed liquor passes through apopore 7 and inlet opening 8 is circulated, and improves dispersion in water for the coal dust.It is dispersed in water
In cleaned coal with gangue because density is different, gangue gradually accumulate in outside ring baffle 6 under, cleaned coal gradually accumulates in
The ring baffle 6 times of inner side, it is achieved that the initial gross separation of gangue and cleaned coal, is easy to subsequent handling and cleaned coal and gangue is carried out
Separate further.Cleaning plate 15 can avoid the granule in mixed liquor to be attached to obstruction impeller movement in chute 11.Spoiler 9 can
To collect the current to external diffusion, strengthen the downward motive force of impeller 5, and then improve the separation rate of whole device.Inlet opening 8
Water inlet end internal diameter is less than water side internal diameter, can form negative pressure suction force in bottom surface, it is to avoid the cleaned coal isolated and gangue are again
Secondary mixing.
First preferred embodiment is used for the stirring and segregation of bulky grain coal dust, and the second preferred embodiment is used for little particle coal dust
Stirring and segregation.First preferred embodiment is provided with 12 and lists water hole 7, can improve flow intensity, two neighboring ring baffle 6
Height ratio be 3:1, it is easy to separate oarse-grained cleaned coal and gangue, the first rubber damping layer 13 outer surface slope is constant,
Resistance is linearly increased, the linear resistance that cooperation bulky grain coal dust brings.
Second preferred embodiment is provided with five ring baffles 6 concentric with bottom surface, the height of two neighboring ring baffle 6
Ratio be 2:1, intensive ring baffle 6 can increase the separating effect to fine particle, the first rubber damping layer 13 outer surface
For cambered surface, it is in, for coordinating little particle coal dust resistance to increase with stirring intensity, the feature that secondary index increases, the first angle α
All increase with the second angle β, the uniformity of mixing can have been increased, to improve the separation fineness at ring baffle 6.
First comparative example
On the basis of first preferred embodiment, k is changed to 5.
Second comparative example
On the basis of first preferred embodiment, the ratio of the height of two neighboring ring baffle 6 is changed to 5:1.
3rd comparative example
On the basis of first preferred embodiment, the first angle α is changed to 7 °, the second angle β is changed to 10 °.
4th comparative example
By the horizontal range of impeller 5 width and impeller 5 top to agitator tank 1 on the basis of first preferred embodiment
The ratio of distances constant of inwall is 10:1.
5th comparative example
Cancel spoiler 17 on the basis of first preferred embodiment.
6th comparative example
On the basis of first preferred embodiment by the floor design of agitator tank 1 be horizontal shape.
7th comparative example
On the basis of the second preferred embodiment, k is designed as k=20.
8th comparative example
Ring baffle 6 is designed as contour on the basis of the second preferred embodiment.
9th comparative example
On the basis of the second preferred embodiment, the first angle α is changed to 20 °, the second angle β is changed to 30 °.
Tenth comparative example
By the horizontal range of impeller 5 width and impeller 5 top to agitator tank 1 on the basis of the second preferred embodiment
The ratio of distances constant of inwall is 1:1.
11st comparative example
On the basis of the second preferred embodiment, inlet opening 8 is designed as cylinder.
12nd comparative example
On the basis of the second preferred embodiment, the inclined bottom surface angle of agitator tank 1 is changed to 45 °.
First preferred embodiment is carried out using oarse-grained coal dust with the first comparative example～the 6th comparative example
Experimental comparison, result is as shown in the table
| Experiment sequence number | Initial gross separation rate |
| First preferred embodiment | 70% |
| First comparative example | 46% |
| Second comparative example | 51% |
| 3rd comparative example | 39% |
| 4th comparative example | 50% |
| 5th comparative example | 61% |
| 6th comparative example | 30% |
Second preferred embodiment is entered using short grained coal dust with the 7th comparative example～the 12nd comparative example
Row Experimental comparison, result is as shown in the table
| Experiment sequence number | Initial gross separation rate |
| Second preferred embodiment | 65% |
| 7th comparative example | 30% |
| 8th comparative example | 41% |
| 9th comparative example | 25% |
| Tenth comparative example | 33% |
| 11st comparative example | 45% |
| 11st comparative example | 59% |
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (9)
1. a kind of stirring apparatus it is characterised in that：Including agitator tank (1), agitator tank is vertically arranged with support bar in (1)
(2), the upper slip of support bar (2) is provided with sliding sleeve (3), sliding sleeve (3) is provided with electric rotating machine (4), electric rotating machine (4) is connected with
Impeller (5), helically line is arranged on sliding sleeve (3) impeller (5)；The bottom of agitator tank (1) is the downwardly projecting conical surface, agitator tank
(1) several ring baffles (6) concentric with bottom surface are provided with bottom surface；Agitator tank (1) if side wall on be evenly arranged with
Dry list water hole (7), the bottom of agitator tank (1) is provided with several inlet openings (8), and inlet opening is provided with drainage screen on (8)
(16), it is provided with water circulating pump (10) between inlet opening (8) and apopore (7)；Support bar (2) is provided with several chutes
(11), it is provided with the slide block (12) matching with chute (11), the surface of chute (11) and slide block (12) inside described sliding sleeve (3)
It is respectively arranged with the first rubber damping layer (13) and the second rubber damping layer (17), the thickness of the first rubber damping layer (13) is the bottom of by
Portion is gradually increased to top, passes through spring (14) and be connected between slide block (12) and sliding sleeve (3).
2. stirring apparatus according to claim 1 it is characterised in that：Described first rubber damping layer (13) outer surface
For plane, the slope k of plane is 10.
3. stirring apparatus according to claim 1 it is characterised in that：Described first rubber damping layer (13) outer surface
For cambered surface, the slope k of cambered surface meets below equation,
K=y/200,
Wherein y is with support bar (2) bottom surface as initial point, and the first rubber damping layer (13) is in the vertical coordinate number on support bar (2)
Value, measurement unit is millimeter.
4. stirring apparatus according to claim 1 it is characterised in that：The upper and lower ends of described slide block (12) are cut with scissors respectively
It is connected to cleaning plate (15), be in close contact inside cleaning plate (15) and described chute (11).
5. stirring apparatus according to claim 1 it is characterised in that：The height of described ring baffle (6) is in wait ratio
Ordered series of numbers is distributed, and the height of ring baffle (6) is gradually increased to outside by the center of agitator tank (1).
6. stirring apparatus according to claim 1 it is characterised in that：The hand of spiral of described impeller (5) and level
First angle (α) in direction is 10 °～15 °, and impeller (5) section in the width direction is arc, and cambered top end is to arc bottom
Second angle (β) of line and horizontal plane be 13 °～20 °；The horizontal range of impeller (5) width and impeller (5) top
Ratio of distances constant to agitator tank (1) inwall is 5:1.
7. stirring apparatus according to claim 6 it is characterised in that：Described impeller (5) top is provided with and is tilted towards
Under spoiler (9).
8. stirring apparatus according to claim 1 it is characterised in that：The inclined bottom surface angle of described agitator tank (1)
For 25 °.
9. stirring apparatus according to claim 1 it is characterised in that：The internal diameter of described apopore (7) is from top to bottom
It is gradually reduced；Described inlet opening (8) is in truncated cone-shaped, and the water inlet end internal diameter of inlet opening (8) is less than water side internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745187.3A CN104741208B (en) | 2013-12-30 | 2013-12-30 | Novel stirring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310745187.3A CN104741208B (en) | 2013-12-30 | 2013-12-30 | Novel stirring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104741208A CN104741208A (en) | 2015-07-01 |
| CN104741208B true CN104741208B (en) | 2017-02-15 |
Family
ID=53581792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310745187.3A Expired - Fee Related CN104741208B (en) | 2013-12-30 | 2013-12-30 | Novel stirring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104741208B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252519A (en) * | 2019-06-21 | 2019-09-20 | 深圳市文地科技有限公司 | A kind of portable type floatation equipment with agitating function for ore dressing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2688276B1 (en) * | 1992-03-04 | 1995-06-30 | Fischbach Albert | HUB SHAFT ASSEMBLY FOR AGITATORS FOR CHEMICAL REACTORS. |
| JP3676659B2 (en) * | 2000-08-22 | 2005-07-27 | 株式会社西原環境テクノロジー | Solid-liquid separator having stirring flow forming means |
| ATE481162T1 (en) * | 2007-11-01 | 2010-10-15 | Mettler Toledo Ag | MIXER UNIT HAVING AN ADAPTER |
| FR2932697B1 (en) * | 2008-06-20 | 2011-06-10 | Fillon Technologies | AGITATION DEVICE AND METHOD OF ADJUSTING |
| CN102371129A (en) * | 2010-08-10 | 2012-03-14 | 农业部规划设计研究院 | Automatic-control paddle type variable frequency stirring machine |
| CN102794124A (en) * | 2011-05-27 | 2012-11-28 | 通用电气公司 | Solid-liquid material mixing device |
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2013
- 2013-12-30 CN CN201310745187.3A patent/CN104741208B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104741208A (en) | 2015-07-01 |
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Granted publication date: 20170215 Termination date: 20171230 |