CN109501003A - It is used to form the device of foam slurry - Google Patents
It is used to form the device of foam slurry Download PDFInfo
- Publication number
- CN109501003A CN109501003A CN201710829051.9A CN201710829051A CN109501003A CN 109501003 A CN109501003 A CN 109501003A CN 201710829051 A CN201710829051 A CN 201710829051A CN 109501003 A CN109501003 A CN 109501003A
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- Prior art keywords
- blade
- cavity
- cement slurry
- flow channel
- rotation
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/383—Producing cellular concrete comprising stirrers to effect the mixing
- B28C5/385—Stirrers specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/383—Producing cellular concrete comprising stirrers to effect the mixing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/386—Plants; Systems; Methods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention relates to a kind of devices for being used to form foam slurry comprising: the cavity extended in a first direction；The cement slurry flow channel and gas flow channel being connected at the first end of the cavity and with the cavity；The foam slurry leaving channel being connected at the second end of the cavity being spaced apart with the first end and with the cavity；And it is located at the intracorporal rabbling mechanism of the chamber, the rabbling mechanism includes between the first end and the second end and perpendicular to the first blade and the second blade of first direction rotation, and first blade is spaced from each other in a first direction with second blade.Foam slurry with good uniformity is capable of forming by this device.
Description
Technical field
The present invention relates to foam slurries to form technical field, more particularly to a kind of dress for being used to form foam slurry
It sets.
Background technique
Foam slurry is usually thoroughly mixed to form by nitrogen and cement slurry, is generally used in oil gas well operations, or is used
In construction.
The existing device for being used to form foam slurry is difficult to ensure the uniformity of mixed obtained foam slurry
With exquisiteness.This is primarily due to the device in the prior art for being used to form foam slurry and is difficult to realize cement slurry and gas
Sufficiently and uniformly contact and mixing.This usually has certain adhesion shape by cement slurry itself and mobility is relatively poor
Caused by.The inferior quality for the solid-state structure that the foam slurry of uniformity and exquisiteness difference can make its solidification obtain, especially
It is its heat preservation, heat insulation can be poor.
Therefore, it is necessary to a kind of devices that can form more uniform foam slurry
Summary of the invention
In view of the above-mentioned problems, passing through this device energy the invention proposes a kind of device for being used to form foam slurry
Enough form foam slurry with good uniformity.
A kind of device for being used to form foam slurry is proposed according to the present invention comprising: it extends in a first direction
Cavity；The cement slurry flow channel and gas flow channel being connected at the first end of the cavity and with the cavity；
The foam slurry being connected at the second end of the cavity being spaced apart with the first end and with the cavity leaves
Channel；And it is located at the intracorporal rabbling mechanism of the chamber, the rabbling mechanism includes being in the first end and the second end
Between and perpendicular to the first blade and the second blade of first direction rotation, first blade and second blade are first
It is spaced from each other on direction.
By above-mentioned apparatus, the first blade and the second blade can be stirred cement slurry and gas so that gas and
Cement slurry can blend more uniform.This is very beneficial for making to be formed by the homogeneous and fine and smooth of foam slurry.By
This finally formed solid-state structure of foam slurry has preferable heat insulating effect, and quality is preferable.
In one embodiment, second blade be located at first blade and the foam slurry leaving channel it
Between, first blade is constructed to be permeable to drive gas and cement slurry, second blade to be constructed to be permeable to carry on the back towards the second end
Gas and cement slurry are driven from the second end.
In one embodiment, the cavity constructions are cylindrical, the gas flow channel and the cement slurry stream
Enter channel to be tangentially connected to the cavity, the gas flow channel and the cement slurry flow channel are along identical rotation
Direction is tangentially connected to the cavity, and the identical direction of rotation is identical as the direction of rotation of first blade, and with
The direction of rotation of second blade is opposite.
In one embodiment, the cement slurry flow channel and the gas flow channel are aligned in a first direction,
And be spaced from each other, the gas flow channel and the cement slurry flow channel are on the plane perpendicular to the first direction
Extension axis relative to the cavity differs 180 ° each other.
In one embodiment, the propulsion surface of first blade is tilted towards second end.
In one embodiment, the propulsion surface of second blade is tilted towards first end.
In one embodiment, it is configured on first blade and/or second blade through first leaf
The recirculation hole of piece and/or second blade.
In one embodiment, first blade and/or second blade include hollow frame, and described
The wake turbulence extension extended in frame, the recirculation hole are formed between the frame and the exchange extension or are formed in more
Between a exchange extension.
In one embodiment, at least two in multiple wake turbulence extensions extend intersected with each otherly in the frame.
In one embodiment, the rabbling mechanism further includes the third blade perpendicular to first direction rotation, and described the
Three blades are configured with recirculation hole in the third blade between second blade and the second end.
Compared with the prior art, the advantages of the present invention are as follows: by above-mentioned apparatus, the first blade and the second blade can be right
Cement slurry and gas are stirred, so that gas and cement slurry can blend more uniform.This is very beneficial for making to be formed
Foam slurry it is homogeneous and fine and smooth.There is preferable heat preservation by the finally formed solid-state structure of this foam slurry
Heat insulation, quality are preferable.
Detailed description of the invention
The present invention is described in more detail hereinafter with reference to attached drawing.Wherein:
Fig. 1 shows the schematic diagram of one embodiment of the device according to the present invention for being used to form foam slurry；
Fig. 2 shows the sectional view of one embodiment in Fig. 1 at A-A；
Fig. 3 shows showing for one embodiment of the blade in the device according to the present invention for being used to form foam slurry
It is intended to；
Fig. 4 shows the sectional view of one embodiment in Fig. 1 at B-B；
Fig. 5 shows the schematic diagram of another embodiment of the device according to the present invention for being used to form foam slurry.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows the device (hereinafter referred to as " dress according to the present invention for being used to form foam slurry
Set ") 1 structure.Device 1 includes the cavity 11 that extends in a first direction, which can be by the outer housing that extends in a first direction
10 surround formation.For example, the outer housing can generally cylindrical shape, and along its along first direction extension axis extend, as a result,
Cavity also extends along the extension axis.Device 1 further includes being connected in one end (that is, first end) of cavity 11 with the cavity 11
Cement slurry flow channel 31 and gas flow channel 32, and the other end (that is, second end) and 11 phase of cavity in cavity 11
The foam slurry leaving channel 33 of connection.It is left in cement slurry flow channel 31 and gas flow channel 21 with foam slurry
The channel for fluid flowing, path are formed between channel 33, fluid can be generally along from first end to second in cavity 11
It flows in the direction at end.In addition, device 1 further includes the rabbling mechanism being arranged in cavity 11, at least part of rabbling mechanism
In the cement slurry flow channel 31 and gas flow channel 21 of the first end and the foam slurry leaving channel 33 of the second end
Between, be stirred to them when cement slurry and gas flow in cavity 11.
In the embodiment shown in fig. 1, rabbling mechanism includes revolving in cavity 11 along the direction perpendicular to first direction
Turn the blade 21 of (that is, the extension axis around cavity 11 rotates).The recirculation hole 211 through it is configured on blade 21.Stream
The through direction of through-hole 211 is essentially perpendicular to first direction, and is essentially perpendicular to the radial direction of cavity 11.
In blade 21 when rotating in cavity 11, fluid (including gas and cement slurry) is driven by it in 11 inward turning of cavity
Turn, cooperates the fluid movement tendency from first end to second end in the cavity, fluid can be made spirally to be transported in the cavity
It is dynamic.In addition, for single recirculation hole 211, only small portion of fluid can be by wherein when blade 21 is rotated.This is advantageous
It is broken up in the gas that will focus on together or the cement slurry concentrated in together, gas and cement slurry is thus enable more uniformly to mix
It mixes.The quality that this allows to be formed by foam slurry is finer and smoother.Meanwhile when blade 21 rotates, only one
It shunts physical efficiency and directly passes through recirculation hole 211, another part fluid can be collided with the entity part of blade 21 first.This makes fluid
A part and another part between there are biggish speed differences, and more complicated rapids therefore can be formed in cavity 11
Stream.This can more effectively make gas and cement slurry equably blended together.
In one embodiment, blade 21 is it is so structured that plate body or sheet body, processing forms stream on the plate body or sheet body
Through-hole 211 (such as by way of punching press).The plate body or the blade of sheet body formula 21 can be in the first planes (that is, extending axis
In the plane wherein extended) in extend.
In another embodiment, blade 21 includes hollow frame 61, and is extended in the hollow space of frame 61
Exchange extension 62.Frame 61 in Fig. 1 is general rectangular, exchanges extension 62 generally in strip, filiform or band
Shape.
For example, these exchange extensions 62 can be all parallel with each other in the case where being provided with multiple exchange extension 62
And it is arranged at interval.In addition, these exchange extensions 62 can extend in a first direction.These exchange extensions 62 can also be along vertical
Directly extend in the cavity of first direction, cavity 11 radial direction.
Alternatively, in the case where being provided with multiple exchange extension 62, in these exchange extensions at least two each other
Extend across, remaining exchange extension is parallel with one in the two exchange extensions and is arranged at interval.Pass through
This set can form the blade 21 of web form as shown in Figure 1.The blade 21 of this web form may be configured to wherein
Circulation area (that is, area shared by all recirculation holes) account for the gross area (that is, area of 61 area defined of frame)
50% to 99%, be conducive to improve the circulation in cavity 11.Meanwhile while ensuring aforementioned proportion, make single recirculation hole
It is as small as possible, in favor of generating the foam slurry of uniform and smooth.
Certainly, the form of other any blades appropriate is all possible.
The size (for example, being diameter in the case where recirculation hole 211 is circular hole) of recirculation hole 211 can be according to the viscous of cement slurry
It spends and is arranged.Preferably, the recirculation hole in single blade 21 may include larger-size recirculation hole and the lesser recirculation hole of size,
These larger-size recirculation holes and the lesser recirculation hole of size are alternately arranged.For example, can respectively in rows setting size compared with
The big lesser recirculation hole of recirculation hole and size, these larger-size recirculation holes and the lesser recirculation hole of size interlock in rows
Setting.For example, the ratio between the circulation area of larger-size recirculation hole and the circulation area of the lesser recirculation hole of size are 1.5 to 3
Between.The recirculation hole that this aspect can be avoided on blade 21 is all clogging by cement slurry, on the other hand also helps in cavity
More complicated liquid form is formed in 11, in favor of the further uniform mixing of gas and cement slurry.This set is conducive to
Improve and ensure the mobility of the fluid in cavity 11.In addition, single recirculation hole can be generally configured into it is rectangle, circular,
It is ellipse or triangle.
Fig. 3 shows that multiple (3) blades 21,21 ', 21 " are mutually aligned in a first direction and perpendicular to first party
To plane in mutually evenly-spaced setting.Radially ecto-entad has been sequentially arranged multiple (3 on blade 21
It is a) recirculation hole 211,212,213.Radially ecto-entad has been sequentially arranged multiple (3) recirculation holes on blade 21 '
214,215,216.On blade 21 " radially ecto-entad be sequentially arranged multiple (3) recirculation holes 217,218,
219。
The extending direction of these recirculation holes is radially tilted both with respect to the tangential direction of cavity, i.e., these circulate
The extending direction in hole had all both had component along a tangential direction, it may have component radially.Single blade (for example,
Blade 21) on, the inclined direction of recirculation hole adjacent to each other is opposite.From figure 3, it can be seen that the feelings rotated counterclockwise in fluid
Under condition, recirculation hole 211 gradually slopes inwardly along the flow direction of fluid, and recirculation hole 212 is gradually outside along the flow direction of fluid
Inclination, recirculation hole 213 gradually slope inwardly along the flow direction of fluid.
In addition, adjacent blade 21 is opposite with the inclined direction of mutual corresponding recirculation hole on blade 21 '.For example,
In the case that fluid rotates counterclockwise, along the flow direction of fluid, recirculation hole 211 slopes inwardly, and recirculation hole 214 then leans outward
Tiltedly；Recirculation hole 212 is inclined outwardly, and recirculation hole 215 then slopes inwardly；Recirculation hole 213 slope inwardly, and recirculation hole 216 then to
Outer incline.Be conducive to make the blending of fluid more uniform by this set, and thus make generated foam slurry more
It is fine and smooth.
In addition, adjacent blade 21 ' is identical with the inclined direction of mutual corresponding recirculation hole on blade 21 ".For example,
In the case that fluid rotates counterclockwise, along the flow direction of fluid, recirculation hole 214 and recirculation hole 217 are inclined outwardly；Recirculation hole
215 and recirculation hole 218 slope inwardly；Recirculation hole 216 and recirculation hole 219 are inclined outwardly.
It is calculated according to simulation, this set in Fig. 3 can form advantageous turbulent flow in cavity 1, and can be very well
Realize the uniform blending between gas and cement slurry.
In addition, as depicted in figs. 1 and 2, cement slurry flow channel 31 and gas flow channel 32 tangentially connect with cavity 11
It is logical.In Fig. 1, cement slurry will enter in cavity 11 along perpendicular to paper inward direction, and gas will along perpendicular to
Paper outwardly direction enters in cavity 11.Cement slurry and gas (for example, nitrogen) is after entering in cavity 11 as a result,
Screw movement can spontaneously be carried out.
In a preferred embodiment, as shown in Figure 1, cement slurry flow channel 31 and gas flow channel 32 are first
It is aligned on direction.In addition, as shown in Fig. 2, cement slurry flow channel 31 and gas flow into the plane perpendicular to first direction
Channel 32 is interlaced with each other, spaced apart, such as can differ each other 180 ° relative to the extension axis of cavity.In this case, gas
Body and cement slurry can all meet after half cycle entering in cavity 11, preliminarily form preferable eddy flow field.With the stirring action of blade
It combines, this is conducive to that gas and cement slurry is made to mix more abundant.
It is of course also possible to make cement slurry flow channel 31 in a first direction in gas flow channel 32 and foamed cement
It starches between leaving channel 33.
It is tangentially connected to as shown in Figure 1, foam slurry leaving channel 33 also can be set into cavity 11.This set
Be conducive to improve the connectivity in cavity 11, reduce Fluid pressure.
Alternatively, it is also possible to make foam slurry be connected along the radial direction of cavity 11 with cavity 11.In this case, foam
The resistance that cement slurry leaves cavity 11 is larger, and is thus conducive to keep foam slurry finer and smoother, the size of bubble therein
It is smaller.
As shown in Figure 1 and Figure 4, device 1 further includes the swingle 44 in cavity 11, and swingle 44 is along extension axis
Direction extends.Blade can be fixed on swingle 44, be rotated from there through the rotation band movable vane piece of swingle 44.For example, can be
Closed drive chamber is arranged in the side backwards to second end of the first end of cavity 11, accommodates rotating electric machine in the drive chamber
41.Rotating electric machine 41 is connected with swingle 44, and swingle 44 can be driven to be rotated.
It can be respectively arranged with bearing 42,43 at the both ends of swingle 44, to be used to support swingle 44, and ensure swingle
44 can successfully rotate.
In cavity 1, multiple groups blade may be provided with, such as other than above-mentioned blade 21, the also settable and blade 21
Blade 22 spaced apart in a first direction, may be configured with corresponding recirculation hole 221 on blade 22.Without prejudice to of the invention
Under the premise of principle, the above-mentioned description for blade 21 is suitable for blade 22.
In one embodiment, blade 21 and blade 22 can direction of rotation having the same and rotation speeds.For example, blade
21 and blade 22 can be driven by same rotating electric machine 41.However, can also be by different rotating electric machines come driving blade 21 and leaf
Piece 22.
In another embodiment, at least one of direction of rotation and rotation speed of blade 21 and blade 22 are different.
For example, blade 21 and blade 22 direction of rotation having the same but can have different rotation speeds.Preferably, blade 22 and leaf
Piece 21 rotates in same direction, but the rotation speed of blade 22 is bigger than the rotation speed of blade 21.Blade 22 can play by force
The effect for changing stirring, is conducive to make the more uniform exquisiteness of foam slurry.The rotation of the angular velocity of rotation and blade 21 of blade 22
The ratio between angular speed can be between 1: 1 to 5: 1.
As shown in Figure 1 and Figure 4, device 1 may also include the support base in cavity 11.The support base can be located at above-mentioned leaf
Between piece 21 and blade 22.Support base includes that can rotate with swingle 44 with cyclization 51 with cyclization 51 around swingle setting
Formula cooperation.For example, can be swivel bearing with cyclization 51.Support base further includes that will be fixedly connected on cyclization 51 with outer housing 10
Carrier 52 together.Carrier 52 can be formed by long and narrow bar.This long and narrow bar is preferably set up thinner, to avoid
Stronger restriction effect is generated to fluid.
Fig. 5 schematically shows the structure of device 1 according to another embodiment of the invention, is provided with blade
(the first blade) 21 and blade (the second blade) 22.In this embodiment, the first blade 21 and the second blade 22 can be configured to paddle
Formula blade.The propulsion surface of first blade 21 is tilted towards second end, thus when the first blade 21 rotates, the first blade
Surface is promoted to will push fluid mobile towards second end.The propulsion surface of second blade 22 is tilted towards first end, is thus existed
Second blade 22 is rotary, and it is mobile towards first end that the propulsion surface of second blade 22 will push fluid.Cooperate the first blade
21 and second blade 22 Stirring movement, can couple between the first blade 21 and the second blade 22 formed complexity stream
Dynamic state.This flow regime is very beneficial for the uniformity of the blending between gas and cement slurry.
In one embodiment, the inclined degree of the first blade 21 is identical as the inclined degree of the second blade 22.For example, the
One blade 21 and the second blade 22 all can tilt 0 to 10 ° relative to the plane vertical with first direction.In this case, energy
Enough make the effect of blending best.
In another embodiment, the inclined degree of the first blade 21 is higher than the inclined degree of the second blade 22.For example, the
One blade 21 tilts 5 to 10 ° relative to the plane vertical with first direction, and the second blade 22 can hang down relative to first direction
Straight plane tilts 0 to 5 °, wherein 21 to the second blade more than 22 of the first blade tilts 0 to 5 °.In this case, chamber is intracorporal
Fluid mobility is preferable.
In addition, third blade 23 can also be arranged in the cavity 11 of device 1.Third blade 23 may be provided at the second blade 22
Between second end.Corresponding recirculation hole 231 is may also set up in third blade 23.Third blade 23 can be configured to not tilt
, thus it is only that fluid provides the motivator of rotation.However, according to actual needs, third blade 23 is also configured as paddle
Blade promotes surface to tilt towards second end, to improve the mobility of the fluid in cavity 11.Third blade 23 can be with first
Blade 21 and/or the second blade 22 synchronously rotate, and can also have the rotation all different from the first blade 21 and the second blade 22
Speed.
Such as in the embodiment as shown in fig.5, swingle 44 and the first blade 21, the second blade 22 and third blade 23
It is fixedly linked.The first blade 21, the second blade 22 and third blade 23 are all revolved with identical angular speed in the same direction as a result,
Turn.Preferably, the direction is opposite with the direction of rotation that gas and cement slurry enter cavity 11.In Fig. 5, cement slurry is via cement
Slurry enter channel 31 entered in cavity 11 along perpendicular to paper inward direction, and gas via gas inlet passages 32 along hang down
Directly entered in cavity 11 in paper outwardly direction, if at the first end (that is, left end) of cavity 11, cement slurry and
Gas enters in cavity 11 all along direction counterclockwise；Meanwhile under the same perspective, swingle 44 is clockwise
Rotation, and the first blade 21, the second blade 22 and third blade 23 is thus driven to be rotated in the clockwise direction.It can more fill in this way
Divide ground to be stirred the fluid in cavity 11, mixes gas and cement slurry more uniformly.
It is further preferred that gas and cement slurry enter direction of rotation and the direction of rotation phase of the first blade 21 of cavity 11
Together, and it is opposite with the direction of rotation of the second blade 22.In this case, the mixing of gas and cement slurry is more uniform.
Above-mentioned apparatus 1 can be laterally arranged, i.e., first end and second end is generally in identical height.Alternatively, above-mentioned dress
Setting 1 can also be vertically arranged.In this case it is preferable to which first end is in the lower section of second end.
By above-mentioned apparatus 1, homogeneous, fine and smooth foam slurry can be formed in cavity 11.This foam water
The size of the bubble of mud is very small.This foam slurry can equably carry a large amount of and small bubbles, and have compared with
Good mobility.This is particularly significant for the subsequent applications of foam slurry.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of device for being used to form foam slurry comprising:
The cavity extended in a first direction；
The cement slurry flow channel and gas flow channel being connected at the first end of the cavity and with the cavity；
The foam slurry being connected at the second end of the cavity being spaced apart with the first end and with the cavity
Leaving channel；And
Positioned at the intracorporal rabbling mechanism of the chamber, the rabbling mechanism include between the first end and the second end and
Perpendicular to the first blade and the second blade of first direction rotation, first blade and second blade are in a first direction
It is spaced from each other.
2. the apparatus according to claim 1, which is characterized in that second blade is located at first blade and the bubble
Between foam cement slurry leaving channel, first blade is constructed to be permeable to drive gas and cement slurry towards the second end, described
Second blade is constructed to be permeable to away from second end driving gas and cement slurry.
3. device according to claim 1 or 2, which is characterized in that the cavity constructions are cylindrical, the gas stream
Enter channel and the cement slurry flow channel is tangentially connected to the cavity, the gas flow channel and the cement slurry
Flow channel is tangentially connected to along identical direction of rotation with the cavity, the identical direction of rotation and first blade
Direction of rotation it is identical and opposite with the direction of rotation of second blade.
4. device according to claim 3, which is characterized in that the cement slurry flow channel and the gas flow channel
It is aligned, and is spaced from each other in a first direction, the gas flow channel and the cement slurry flow channel are perpendicular to institute
It states the extension axis in the plane of first direction relative to the cavity and differs 180 ° each other.
5. device according to any one of claims 1 to 4, which is characterized in that the propulsion surface court of first blade
It is tilted to second end.
6. according to claim 1 to device described in any one of 5, which is characterized in that the propulsion surface court of second blade
It is tilted to first end.
7. according to claim 1 to device described in any one of 6, which is characterized in that in first blade and/or described
The recirculation hole through first blade and/or second blade is configured on two blades.
8. device according to claim 7, which is characterized in that during first blade and/or second blade include
Empty frame, and the wake turbulence extension extended in the frame, the recirculation hole are formed in the frame and exchange with described
Between extension or it is formed between multiple exchange extensions.
9. device according to claim 8, which is characterized in that in multiple wake turbulence extensions at least two in the frame
It is interior to extend intersected with each otherly.
10. according to claim 1 to device described in any one of 8, which is characterized in that the rabbling mechanism further include perpendicular to
The third blade of first direction rotation, the third blade is between second blade and the second end, described the
Recirculation hole is configured on three blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829051.9A CN109501003B (en) | 2017-09-14 | 2017-09-14 | Device for forming foamed cement slurry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710829051.9A CN109501003B (en) | 2017-09-14 | 2017-09-14 | Device for forming foamed cement slurry |
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| CN109501003A true CN109501003A (en) | 2019-03-22 |
| CN109501003B CN109501003B (en) | 2021-03-23 |
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| CN203002299U (en) * | 2012-11-13 | 2013-06-19 | 沈阳创达技术交易市场有限公司 | Agitating blade of agitator |
| CN204247150U (en) * | 2014-11-12 | 2015-04-08 | 安徽江南化工股份有限公司 | A kind of paddle of homogenizer |
| CN204564040U (en) * | 2015-02-03 | 2015-08-19 | 台州市泰辉市政工程有限公司 | A kind of impeller of mixer |
| CN204996517U (en) * | 2015-08-31 | 2016-01-27 | 从光梅 | Mixing arrangement is smashed to hierarchical multicomponent powder of blade |
| CN205201800U (en) * | 2015-12-09 | 2016-05-04 | 河北钢铁集团矿业有限公司 | Mining high -efficient agitating unit who fills mortar |
| CN105537008A (en) * | 2015-12-13 | 2016-05-04 | 郭小川 | Stirring device |
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