CN202878486U - Twin-screw stirring blade - Google Patents
Twin-screw stirring blade Download PDFInfo
- Publication number
- CN202878486U CN202878486U CN 201220505382 CN201220505382U CN202878486U CN 202878486 U CN202878486 U CN 202878486U CN 201220505382 CN201220505382 CN 201220505382 CN 201220505382 U CN201220505382 U CN 201220505382U CN 202878486 U CN202878486 U CN 202878486U
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- CN
- China
- Prior art keywords
- double helix
- blade
- ribbon
- paddle
- lower blade
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses a twin-screw stirring blade which comprises a stirring shaft. An upper blade and a lower blade are arranged on the stirring shaft. A fluid backlash gap is reserved between the upper and lower blades. The upper and lower blades respectively comprise at least one group of twin-screw belts. The twin-screw belts of the upper blade are opposite to those of the lower blade in spiral direction. Aiming at the deficiency in the prior art that the barreling efficiency is not high as the stirring blade has slurry splashing easily, the utility model provides a twin-screw stirring blade which reduces or even avoids slurry splashing, and the barreling efficiency is improved and the stirring efficiency is high.
Description
Technical field
The utility model relates to a kind of paddle, relates in particular to a kind of double helix paddle.
Background technology
The nuclear power refuse that nuclear power station or nuclear field produce, owing to there is radioactivity, can not simple process to these refuses, generally to adopt the form of cement solidification that refuse is enclosed in the cement block, prevent the radwaste contaminated environment, human body is worked the mischief.
When the cement solidification line is cured refuse, need to adopt agitating device, what the paddle in the existing agitating device adopted is helical-ribbon type.In whipping process, be prone to the situation that slurry splashes, caused the not high problem of barrelling rate.And after finishing, stirring is difficult for processing with a lot of cement slurries on the paddle.
The utility model content
The technical problems to be solved in the utility model is, is prone to slurry for paddle in the prior art and splashes, causes the not high defective of barrelling rate, provides a kind of and reduces even avoid slurry and splash, improve barrelling rate, double helix paddle that stirring efficiency is high.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of double helix paddle, comprise shaft, be provided with blade and lower blade on the described shaft, leave fluid recoil spacing between described upper blade and the lower blade, described upper blade and lower blade all comprise respectively at least one group of double helix ribbon, and the double helix ribbon of described upper blade is opposite with the hand of spiral of the double helix ribbon of described lower blade.
Described shaft is provided with the vibrator assembly for generation of vibration with hollow cavity in the described hollow cavity.
Described vibrator assembly comprises upper fixed seat, the lower fixed seat that is fixed on the shaft hollow cavity inwall, is provided with vibrator between upper fixed seat and lower fixed seat, and described vibrator is connected with the cable that is connected with controlling organization.
Correspondence was arranged about described upper blade arranged two groups of double helix ribbons and these double helix ribbons at least.
Double helix ribbon in the described upper blade is close in turn arranges up and down.
Correspondence was arranged about described lower blade arranged two groups of double helix ribbons and these double helix ribbons at least.
Double helix ribbon in the described lower blade is close in turn arranges up and down.
The structure of the double helix ribbon in the structure of the double helix ribbon in the described lower blade and the upper blade is identical.
The quantity of the double helix ribbon in the described lower blade is more than the quantity of the double helix ribbon in the upper blade.
The angle of spiral α of every ribbon in the described double helix ribbon is: 20 °～60 °.
Described shaft, upper blade and lower blade are structure as a whole.
The utility model is divided into upper blade and lower blade two parts with existing blade, and this two-part hand of spiral is opposite, lower blade drives upward fluid, and upper blade drive fluid moves downward, so that the slurries under stirring produce respectively flowing of different directions in the upper and lower, this structure can improve mixed effect on the one hand, greatly reduces on the other hand slurries and splashes.Simultaneously, because slurries splash when having reduced stirring, the barrelling rate is also corresponding to be improved greatly, has improved the treatment of wastes produced ability, has saved processing cost, has improved treatment effeciency.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment the second embodiment;
Fig. 3 is the structural representation of the third embodiment of the utility model embodiment.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe the specific embodiment of the present utility model in detail.
Shown in Fig. 1 ~ 3, a kind of double helix paddle, comprise shaft 41, be provided with blade 42 and lower blade 43 on the described shaft 41, leave fluid recoil spacing between described upper blade 42 and the lower blade 43, described upper blade and lower blade 43 all comprise respectively at least one group of double helix ribbon, and the double helix ribbon of described upper blade 42 is opposite with the hand of spiral of the double helix ribbon of described lower blade 43.
The utility model can adopt shaft 41, upper blade 41, lower blade 43 to make respectively, then upper blade 41, lower blade 43 are fixedly connected with shaft 41, the mode that is fixedly connected with can be multiple, such as: bolt connection, welding, riveted joint etc., carry the adhesion slurry in order to reduce blade, with shaft 41, upper blade 41, lower blade 43 integral solder, so that described shaft 41, upper blade 41 and lower blade 43 are structure as a whole, easy cleaning, and reduce corrosion.
Since contain radioactive substance and the corrosive substance such as acid, alkaline in the refuse, shaft 41, upper blade 41 and lower blade 43 selected material require acid and alkali-resistances and the material that not affected by irradiation, and present embodiment is selected stainless steel.
Shown in Fig. 1 ~ 3, because invention main purpose of the present utility model is to splash in order to reduce slurry, just adopts and realize at upper blade 41, the lower blade 43 of same shaft 41 usefulness different structures; The quantity of the double helix ribbon in the preferred described lower blade 43 is more than the quantity of the double helix ribbon in the upper blade 41, better reduces or avoids slurry to splash.Upper blade 41 and lower blade 43 are respectively provided to few one group double helix ribbon, and the quantity that the double helix ribbon arranges is relevant according to the size of the stirred vessel degree of depth, double helix ribbon.The many groups double helix ribbon shape that arranges at same shaft 41, structure, measure-alike also can be different.The structure of the double helix ribbon in the structure of the double helix ribbon in the present embodiment in the preferred described lower blade 43 and the upper blade 41 is identical.Upper blade 41 as shown in Figure 1 adopts identical double helix ribbon with lower blade 43; Shown in Fig. 2,3, upper blade 41 and lower blade 43 all adopt respectively the double helix ribbon of different structure shape.
What upper blade 41 of the present utility model, lower blade 43 adopted is the ribbon structure, the double helix ribbon namely is set in groups, the double helix ribbon is that the ribbon of two spirals forms, and the shape and structure of ribbon is not construed as limiting in the utility model, and the ribbon of arbitrary structures form all is suitable for the utility model.Article two, ribbon can be symmetrical arranged also and can asymmetricly arrange, and its structure, shape, size can be the same or different.The structures such as the container of corresponding circle tubular and approximate construction thereof preferably adopts symmetrical structure, measure-alike two ribbons, and is corresponding rectangular-shaped preferably adopt unsymmetric structure or two different ribbons of size.Present embodiment preferred structure, shape, measure-alike two ribbons.
As shown in Figure 2, for the ease of in whipping process, form eddy current in order to control slurry, the angle of spiral α of every ribbon in the preferred described double helix ribbon is: 20 °～60 °.When the rotating speed one of paddle regularly, angle of spiral α is larger, illustrate that helix is steeper, then the velocity component that makes progress of fluid is larger, and horizontal velocity component is less so that flow field tubulence energy when same cross-sectional is large, but the effective cross-section that stirs zone is just less.
α is excessive when the angle of spiral, when the tubulence energy that upper free and easy produces can not balance, will produce and splash, because following blade is many, the tubulence energy that the flow field produces is large.α is too small when the angle of spiral, and the tubulence energy that the flow field produces is less than normal, and the material of the same area is effectively mixed, in other words: at the same area, can not form effective eddy current, make material stirring even.
The size that angle of spiral α selects is mainly relevant with the material system that stirs, and when the material system density was bigger than normal, angle of spiral α was also bigger than normal, and the tubulence energy that namely requires is also just larger, just can make material be in suspended state.In the utility model, material is cement slurry, and the angle of spiral α of selection is 20 °～60 °, and the eddy current that forms in this scope can make material be in suspended state, can not sink to the bottom, and arrives the effect that stirs.
Correspondence was arranged about preferred described upper blade 41 arranged two groups of double helix ribbons and these double helix ribbons at least.Correspondence was arranged about simultaneously preferred described lower blade 43 arranged two groups of double helix ribbons and these double helix ribbons at least.Because slurry viscosity is larger, in order to relate to all zones, the double helix ribbon in the preferred described upper blade 41 is close in turn arranges up and down, and the double helix ribbon in the described lower blade 43 also is close in turn arranges up and down.
As shown in Figure 3, another goal of the invention of the utility model is to reduce slurry adhesion on paddle, the form that employing arranges vibrator assembly 45 realizes this goal of the invention, be that described shaft 41 is tubular structure, with hollow cavity, be provided with the vibrator assembly 45 for generation of vibration in the described hollow cavity, after finishing stirring, on when carrying paddle, open simultaneously vibrator assembly 45 vibrations, the slurry of adhesion on the paddle is shaken by vibration.
Described vibrator assembly 45 comprises upper fixed seat 452, the lower fixed seat 454 that is fixed on the shaft 41 hollow cavity inwalls, vibrator assembly 45 operated by rotary motion are in shaft 41 bottoms, install from shaft 41 bottoms, upper fixed seat 452 and lower fixed seat 454 are directly fixed by various ways such as welding, be spirally connected.Be provided with vibrator 453 between upper fixed seat 452 and lower fixed seat 454, described vibrator 453 is connected with the cable 451 that is connected with controlling organization, and controlling organization starts or stops by cable 451 control vibrators 453.
Vibrator 453 can directly adopt existing conventional vibrator, does not repeat them here.
The top of shaft 41 is provided with connector 44 and is used for being connected with drive unit.Connector 44 can be ring flange, be threaded connect first-class.
Claims (10)
1. double helix paddle, comprise shaft, it is characterized in that, be provided with blade and lower blade on the described shaft, leave fluid recoil spacing between described upper blade and the lower blade, described upper blade and lower blade all comprise respectively at least one group of double helix ribbon, and the double helix ribbon of described upper blade is opposite with the hand of spiral of the double helix ribbon of described lower blade.
2. double helix paddle according to claim 1 is characterized in that, described shaft is provided with the vibrator assembly for generation of vibration with hollow cavity in the described hollow cavity.
3. double helix paddle according to claim 2, it is characterized in that, described vibrator assembly comprises upper fixed seat, the lower fixed seat that is fixed on the shaft hollow cavity inwall, be provided with vibrator between upper fixed seat and lower fixed seat, described vibrator is connected with the cable that is connected with controlling organization.
4. the described double helix paddle of any one is characterized in that according to claim 1 ~ 3, and correspondence was arranged about described upper blade arranged two groups of double helix ribbons and these double helix ribbons at least.
5. double helix paddle according to claim 4 is characterized in that, the double helix ribbon in the described upper blade is close in turn arranges up and down.
6. the described double helix paddle of any one is characterized in that according to claim 1 ~ 3, and correspondence was arranged about described lower blade arranged two groups of double helix ribbons and these double helix ribbons at least.
7. double helix paddle according to claim 6 is characterized in that, the double helix ribbon in the described lower blade is close in turn arranges up and down.
8. the described double helix paddle of any one is characterized in that according to claim 1 ~ 3, and the structure of the double helix ribbon in the structure of the double helix ribbon in the described lower blade and the upper blade is identical; The quantity of the double helix ribbon in the described lower blade is more than the quantity of the double helix ribbon in the upper blade.
9. the described double helix paddle of any one is characterized in that according to claim 1 ~ 3, and the angle of spiral α of every ribbon in the described double helix ribbon is: 20 °～60 °.
10. the described double helix paddle of any one is characterized in that according to claim 1 ~ 3, and described shaft, upper blade and lower blade are structure as a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220505382 CN202878486U (en) | 2012-09-29 | 2012-09-29 | Twin-screw stirring blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220505382 CN202878486U (en) | 2012-09-29 | 2012-09-29 | Twin-screw stirring blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878486U true CN202878486U (en) | 2013-04-17 |
Family
ID=48069948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220505382 Expired - Lifetime CN202878486U (en) | 2012-09-29 | 2012-09-29 | Twin-screw stirring blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202878486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149200A (en) * | 2014-07-23 | 2014-11-19 | 新疆科立机械设备有限公司 | Built-in type vibrating mixer |
| GB2529471A (en) * | 2014-08-22 | 2016-02-24 | Challenging Innovation Ltd | Mixing apparatus |
-
2012
- 2012-09-29 CN CN 201220505382 patent/CN202878486U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104149200A (en) * | 2014-07-23 | 2014-11-19 | 新疆科立机械设备有限公司 | Built-in type vibrating mixer |
| GB2529471A (en) * | 2014-08-22 | 2016-02-24 | Challenging Innovation Ltd | Mixing apparatus |
| GB2529471B (en) * | 2014-08-22 | 2016-10-19 | Challenging Innovation Ltd | Mixing apparatus |
| US10213754B2 (en) | 2014-08-22 | 2019-02-26 | Challenging Innovation Limited | Mixing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Futian District Shangbu Road West of the city of Shenzhen Shenzhen science and technology building 15 layer (1502-1504, 1506) Patentee after: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518000 Guangdong, Futian District, Yitian Road, building A, block, building on the whole floor of A1301-1320 13 Patentee before: CHINA NUCLEAR POWER TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |