CN109501001A - 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
- CN109501001A CN109501001A CN201710828471.5A CN201710828471A CN109501001A CN 109501001 A CN109501001 A CN 109501001A CN 201710828471 A CN201710828471 A CN 201710828471A CN 109501001 A CN109501001 A CN 109501001A
- Authority
- CN
- China
- Prior art keywords
- cavity
- cement slurry
- slurry
- gas access
- foam slurry
- 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.)
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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
- B28C5/386—Plants; Systems; Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/16—Discharge means, e.g. with intermediate storage of fresh concrete
Abstract
The present invention relates to a kind of devices for being used to form foam slurry comprising: cylindrical cavity；Cement slurry entrance, the cement slurry entrance are located at the bottom of the cavity and are connected to the cavity；Gas access, the gas access are located at the following side of the cavity and are connected to the cavity；And foam slurry outlet, the foam slurry outlet are located at the upper lateral part of the cavity and are connected to the cavity.This device is more advantageous to form foam slurry.
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.
The existing device for being used to form foam slurry is normally constructed to fluid, and direction is mobile primarily in a lateral direction wherein.
This device needs that power mechanism is arranged wherein, to promote fluid movable within.However, power mechanism (such as spiral pushes away
Dynamic device etc.) it needs to be moved or rotated in the device.Using for a long time, these power mechanisms are easy for card in the device,
And it is therefore damaged.Maintenance and replacement power mechanism substantially increase the cost to form foam slurry.In addition, if power
Mechanism is blocked or is damaged, then the mixing between cement slurry and nitrogen will be not enough.This can seriously affect and be formed by foam
The quality of cement slurry.
Therefore, it is necessary to a kind of devices for being used to form foam slurry advantageously.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of devices for being used to form foam slurry advantageously.
A kind of device for being used to form foam slurry is proposed according to the present invention comprising: cylindrical cavity；Cement
Entrance is starched, the cement slurry entrance is located at the bottom of the cavity and is connected to the cavity；Gas access, the gas access
Positioned at the cavity following side and be connected to the cavity；And foam slurry outlet, the foam slurry export position
In the cavity upper lateral part and be connected to the cavity.
Gas and cement slurry can be introduced into cavity in the lower part of cavity by above-mentioned apparatus.Cement slurry is gentle
Cognition mixes in the cavity and forms foam slurry.Being formed by foam slurry comparatively has lesser density, because
And it can move up in the cavity and cavity is left by the foam slurry exit for the upper lateral part for being located at cavity.Thereby, it is possible to
In the case where being not provided with power mechanism, that is, forms foam slurry and foam slurry is discharged to except device.This
In the case of, it avoids as caused by damage of power mechanism etc. to forming the unfavorable of foam slurry.Thus, this device is more
Advantageously form foam slurry.
In one embodiment, the outgassing direction of the gas access radial direction relative to the cavity in the horizontal direction
The tangential direction of direction towards the cavity deviates.
In one embodiment, described device further includes the auxiliary circulation chamber being set in outside the cavity, the subring
Stream chamber is connected with the cavity by the gas access.
In one embodiment, described device further include be located at the cavity in and with the cement slurry entrance relative spacing
The block piece opened.
In one embodiment, the surface structure towards the cement slurry entrance of the block piece is that middle section is opposite
In the surface of marginal portion protrusion.
In one embodiment, the surface structure towards the cement slurry entrance of the block piece is the one of spherical surface
Part.
In one embodiment, the block piece is connected with the top of the cavity, and extends downward into and the cement
Slurry entrance relative spacing is opened.
In one embodiment, the diameter of the upper part corresponding with the upper lateral part of the cavity than the cavity with
The diameter of the corresponding lower part in the following side is big.
In one embodiment, the block piece extends in the lower part of the cavity.
In one embodiment, the diameter of the cement slurry outlet is bigger than the diameter of the gas access.
Compared with the prior art, the advantages of the present invention are as follows: it can be in the lower part of cavity by gas by above-mentioned apparatus
Body and cement slurry are introduced into cavity.The gentle cognition of cement slurry mixes in the cavity and forms foam slurry.It is formed by bubble
Comparatively foam cement slurry has lesser density, thus can move up in the cavity and by be located at cavity upper lateral part bubble
Leave cavity in foam cement slurry exit.Thereby, it is possible in the case where being not provided with power mechanism, that is, form foam slurry and incite somebody to action
Foam slurry is discharged to except device.In this case, it avoids as caused by damage of power mechanism etc. to formation
Foam slurry it is unfavorable.Thus, this device is more advantageous to form foam slurry.
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 top cross-sectional view of the device in Fig. 1；
Fig. 3 shows the schematic diagram of another embodiment of the device according to the present invention for being used to form foam slurry.
Fig. 4 to Figure 11 shows the signal of the other embodiments of the device according to the present invention for being used to form foam slurry
Figure.
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 cavity, and the cavity is preferably cylindrical.It is cylindrical in embodiment shown by Fig. 1
The axis of cavity extends in the longitudinal direction.In addition, cavity can be broadly divided into two parts in Fig. 1, that is, it is located relatively under lower section
Part 11 and the upper part 12 for being located relatively at top.Device 1 further includes the cement slurry entrance 21 for being located at the bottom 111 of cavity, position
In the gas access 22 of the following side of cavity 112 (corresponding with the lower part 11 of cavity), and the upper lateral part 122 positioned at cavity
The foam slurry outlet 24 of (corresponding with the upper part 12 of cavity).
The direction of the direction for going out cement slurry of cement slurry entrance 21 generally longitudinally upward.The outgassing direction of gas access 22
Generally in transverse direction.When cement slurry is entered in cavity (for example, lower part 11) through cement slurry entrance 21 with certain speed
When, it can be mixed with the gas (for example, nitrogen) entered in cavity (for example, lower part 11) through gas access 22, to be formed
Foam slurry.Foam slurry is lighter for cement slurry, therefore can be pushed in the upper part 12 of cavity, and lead to
It crosses and leaves cavity with the foam slurry outlet 24 that part 12 is connected on this.
Preferably, as shown in Figure 1, foam slurry outlet 24 extends in transverse direction.The foam water moved up as a result,
Mud will not leave cavity along the direction moved up, but about 90 ° can be turned in upper part 12, then further out chamber
Body.This set is conducive to pressurize to foam slurry, so that foam slurry is finer and smoother.
In addition, can also be as shown in Figure 1, setting block piece is spaced in the top of cement slurry entrance 21
30.After cement slurry enters in cavity, the biggish cement slurry of speed will continue to move up and strike 30 court of block piece
It does not continue to move up on the surface of cement slurry entrance 21 31, and therefore.On the one hand, this be avoided that have just enter into cavity and
The cement slurry for not forming foam slurry with gas mixing also enters or enters in upper part 12 too much.On the other hand, this
Be conducive to that cement slurry is made more fully to contact, mix with gas in the cavity, and thus, it is possible to improve the formation of foam slurry
Efficiency.
The distance between the surface 31 of block piece 30 and cement slurry entrance 21 are arranged according to specific need.Preferably,
The distance between surface 31 and cement slurry entrance 21 are adjustable.
In preferred embodiment as shown in Figure 1, the middle section on surface 31 is protruded relative to marginal portion.Namely
It says, the distance between marginal portion and bottom 111 of the distance between the middle section and bottom 111 on surface 31 specific surface 31
It is small.For example, surface 31 can be conical surface, wedge-shaped surface, spherical surface or a part on spheroid shape surface.Surface 31 is optimal
It is selected as spherical surface.This surface 31 can more dispersedly reflect cement slurry, to promote the distribution of cement slurry in the cavity more
Uniformly, and thus be conducive to coming into full contact with, mixing for gas and cement slurry.
Block piece 30 can for example be connected with the top 121 of cavity, and be extended downwardly by the top of cavity 121.Block piece
30 part other than the part on setting surface 31 has substantially uniform cylindrical cross-section.In addition, lower part 11 can be enabled
Diameter (that is, the distance of following side 112 relative to the axis of cavity) than upper part 12 diameter (that is, upper lateral part 122 relative to
The distance of the axis of cavity) it is small.Foam slurry can be made more bent to the mobile path in foam slurry outlet 24 as a result,
Folding, to help keeping the quality for exporting the foam slurry that 24 leave cavity through foam slurry finer and smoother.In addition, block piece 30
It extends preferably in lower part 11.The cement slurry that can further avoid not formed foam slurry in this way enters part
In 12.Simultaneously, moreover it is possible to which the connecting place in upper part 12 and lower part 11 forms lesser sectional area (referring to Fig. 1).This is conducive to
Promote foam slurry to enter in part 12, and is conducive to that foam slurry on the move is made to become finer and smoother.More
Preferably, the connecting place is opposite with the marginal portion on surface 31.Flow through as a result, sectional area herein along the direction that fluid moves by
It is decrescence small, thus it is advantageously ensured that the smoothness of flowing.
In addition, in a preferred embodiment, the diameter of foam slurry outlet 24 is more straight than the minimum of gas access 22
Diameter is big.For example, the diameter of liquid inlet 21 can be in 25mm between 76mm, preferably in 25mm between 50mm；Gas enters
Mouthfuls 22 diameter can be in 0.5mm between 6mm, more preferably in 0.5mm between 2mm；Foam slurry outlet 24 it is straight
Diameter can be in 25mm between 127mm, more preferably in 25.4mm between 76.2mm.In addition, foam slurry outlet 24
Diameter and the minimum diameter of gas access 22 are (in the case where being provided with multiple gas access 22, for all gas accesses 22
The sum of minimum diameter) and the ratio of the sum of minimum diameter of cement slurry entrance 21 can be between 0.3 to 4.7, more preferably
Between 0.8 to 1.6.In this case, the quality of the foam slurry left from foam slurry outlet 24 is relatively more
Uniformly, fine and smooth.
Gas access 22 can be formed by nozzle.Such as in the embodiment shown in Figure 2, the outgassing direction court of gas access 22
The radial direction of cavity is deviated to the tangential direction of cavity.The gas entered in the lower part 11 of cavity as a result, can be certainly
Hair ground eddy flow, to promote the mixing between the intracorporal gas of chamber and cement slurry more uniform.For example, can be along the circumferential direction of lower part 11
Multiple (for example, 4) gas accesses 22 are set evenly-spacedly.
In addition, also the auxiliary circulation chamber 13 of annular, the auxiliary circulation chamber 13 can be arranged in the outside of the lower part 11 of cavity
It is connected by gas access 22 with lower part 11.Gas can move in the circumferential direction in auxiliary circulation chamber 13.In auxiliary circulation chamber
The gas moved in the circumferential direction in 13 inherently has certain speed that the tangential direction along cavity moves.In above-mentioned gas through upper
State relative to cavity radial direction deviation gas access 22 enter in the lower part 11 of cavity after, can gas be had
There is the bigger speed moved along circumferential direction.This is conducive to form eddy flow in the cavity.
In addition, device 1 may also include the gas flow channel 23 being connected with auxiliary circulation chamber 13, gas can be via gas
Flow channel 23 enters in auxiliary circulation chamber 13.Gas flow channel 23 is preferably along the tangentially-arranged of auxiliary circulation chamber 13.
In the case where above-mentioned setting, the speed for entering the gas in auxiliary circulation chamber 13 from gas flow channel 23 can be relatively
It is low.That is, can be relatively low by the speed that the external world is pumped to the gas in device 1.This is very beneficial for saving device 1
The energy expended needed for operation.
In the embodiment shown in fig. 1, device 1 includes outer housing, forms cavity in the outer housing.In addition, subring
Stream chamber 13 (if any) is also formed in the outer housing, and is separated with the lower part 11 of cavity by the partition room of annular,
The upper and lower ends of the partition are respectively engaged in the groove on outer housing.Outer housing may include upper housing 41 and lower case 42.Chamber
The upper part 12 of body and lower part 11 are respectively formed in the upper housing 41 and lower case 42.
The lower end of upper housing 41 is configured with the extension 411 extended radially inwardly.The upper end of lower case 42 also may be configured with
The extension 421 extended radially inwardly.Above-mentioned extension 411 and 421 opposite can contact, and be fixed together.In addition, every
The upper end of plate can snap fit onto the groove at 421 lower surface of extension.
In the device 1, the flow of the intracorporal gas of chamber is entered in 5m by one or more gas accesses 223/ min is extremely
50m3Between/min, it is highly preferred that in 15m3/ min to 30m3Between/min.
Preferably, as shown in figure 3, being provided with flow interaction part 50 in lower part 11, for example, long and narrow is rod-shaped, rodlike
Or it is Filamentous.The flow interaction part 50 can be extended to be fixedly linked with the side wall of cavity.For example, flow interaction part 50 can be substantially
On along cavity radial direction or with direction essentially parallel directions extend.As a result, in gas and cement slurry in lower part
When being rotated in 11, above-mentioned flow interaction part 50 is conducive to generate local turbulence in lower part 11, and be conducive to by
Gas is broken up, and the bubble of formation is smashed.This is conducive to that gas and cement slurry is made to contact more uniform, and is therefore conducive to make
The quality of the gas cement slurry of formation is more uniform, fine and smooth.
It is highly preferred that being configured with the through-hole being generally arranged along the flow direction of fluid on flow interaction part 50.With chamber
The longitudinal axis position of body is center location, makees to justify in the position of setting through-hole, then the extending direction of through-hole generally edge
Tangential direction of the circle at this.In addition, through-hole can obliquely extend relative to horizontal direction, wherein entrance is compared in the outlet end of through-hole
End is high.As a result, after gas and cement slurry pass through the through-hole along the direction from arrival end to outlet end, gas and cement slurry are upward
Mobile trend increases, and is thus conducive to the spiral of fluid.This is conducive to the foam slurry for formation to foamed cement
24 flowing of slurry outlet provides bigger motivator.
In addition, for example multiple through-holes can be arranged along flowing disruption member 50, wherein the part of the longitudinal axis close to cavity
On the distance between through-hole it is relatively close, and the distance between through-hole on the part of the longitudinal axis far from cavity is farther out.
The flat structure that above-mentioned flowing disruption member 50 also may be configured with while the radial direction along cavity and longitudinal direction extend
Part is configured with corresponding one or more through-holes on the flat element.Preferably, which can be netted.
Disruption member 50 can be arranged (referring to Fig. 3) with being staggered in a longitudinal direction with gas access 22, can also be in longitudinal direction
(referring to fig. 4 and Fig. 5) is arranged in correspondence with gas access 22 on direction.Disruption member 50 can be radial from the lower wall 112 of cavity
It extends internally, and is spaced apart with cement slurry entrance 21.It may be provided with multiple disruption members 50, these disruption members 50 are in the lower part of cavity
Divide circumferentially evenly-spaced arrangement in 11.In Fig. 5, interference is provided on position corresponding with each gas access 22
Part 50.
In addition, corresponding disruption member 50 ' can also be arranged in the upper part 12 of cavity.Fig. 6 and Fig. 7 is the upper part of cavity
Top cross-sectional view at 12, which show disruption members 50 ' to extend radially outwardly from block piece 30.It may be provided with multiple interference
Part 50 ' (for example, 2,4), these disruption members 50 surround the evenly-spaced distribution of block piece 30.
Fig. 8 to Figure 11 respectively illustrates the schematic diagram of the embodiment of the apparatus according to the invention 1.Fig. 8 and Figure 10 are shown
The case where being only provided with disruption member 50 in lower part 11, wherein disruption member 50 is from the not set gas access 22 of lower wall 112
Part at radially to centre extend.Fig. 9 and Figure 11 is shown is provided with disruption member 50 in lower part 11, and in upper part
The case where disruption member 50 ' is provided in 12, wherein disruption member 50 is from edge from the part of the not set gas access 22 of lower wall 112
It is radial to extend to centre, and disruption member 50 ' extends radially outward from block piece 30.Fig. 8 and Fig. 9 shows flat netted
The disruption member 50 and disruption member 50 ' of structure, and Figure 10 and Figure 11 show rod-shaped disruption member 50 and disruption member 50 '.However it answers
When understanding, in one embodiment, can also with one in disruption member 50 and disruption member 50 ' be flat reticular structure,
And another in disruption member 50 and disruption member 50 ' is rod-shaped.
It is formed by by above-mentioned apparatus 1 and the foam slurry for exporting 24 separating devices 1 through foam slurry includes more
Bubble small, more evenly, has preferable mobility.
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:
Cylindrical cavity；
Cement slurry entrance, the cement slurry entrance are located at the bottom of the cavity and are connected to the cavity；
Gas access, the gas access are located at the following side of the cavity and are connected to the cavity；And
Foam slurry outlet, the foam slurry outlet are located at the upper lateral part of the cavity and are connected to the cavity.
2. the apparatus according to claim 1, which is characterized in that the outgassing direction of gas access phase in the horizontal direction
The tangential direction of radial direction towards the cavity of the cavity is deviateed.
3. the apparatus of claim 2, which is characterized in that described device further includes the auxiliary being set in outside the cavity
Circulation chamber, the auxiliary circulation chamber are connected with the cavity by the gas access.
4. according to claim 1 to device described in any one of 3, which is characterized in that described device further includes being located at the chamber
The block piece opened in vivo and with the cement slurry entrance relative spacing.
5. device according to claim 4, which is characterized in that the surface towards the cement slurry entrance of the block piece
It is configured to the surface that middle section is protruded relative to marginal portion.
6. device according to claim 5, which is characterized in that the surface towards the cement slurry entrance of the block piece
It is configured to a part of spherical surface.
7. the device according to any one of claim 4 to 6, which is characterized in that the top of the block piece and the cavity
Portion is connected, and extends downward into and open with the cement slurry entrance relative spacing.
8. device according to claim 7, which is characterized in that the upper part corresponding with the upper lateral part of the cavity
Diameter is bigger than the diameter of the lower part corresponding with the following side of the cavity.
9. device according to claim 8, which is characterized in that the block piece extends in the lower part of the cavity.
10. according to claim 1 to device described in any one of 9, which is characterized in that the diameter of the cement slurry outlet compares institute
The diameter for stating gas access is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828471.5A CN109501001B (en) | 2017-09-14 | 2017-09-14 | Device for forming foamed cement slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710828471.5A CN109501001B (en) | 2017-09-14 | 2017-09-14 | Device for forming foamed cement slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109501001A true CN109501001A (en) | 2019-03-22 |
| CN109501001B CN109501001B (en) | 2021-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710828471.5A Active CN109501001B (en) | 2017-09-14 | 2017-09-14 | Device for forming foamed cement slurry |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200479Y (en) * | 1993-12-31 | 1995-06-14 | 中国石化金陵石油化工公司 | Upstream gas-liquid uniform distributer |
| JP2010168272A (en) * | 2008-12-26 | 2010-08-05 | Taiko Rozai Kk | Heat insulating monolithic refractory and method of constructing the same |
| CN202174645U (en) * | 2011-05-04 | 2012-03-28 | 广东盛瑞土建科技发展有限公司 | Mixing device dedicated for foam cement slurry |
| CN102555055A (en) * | 2010-12-10 | 2012-07-11 | 中国石油化工股份有限公司 | Pressurized stirring device for foamed cement slurry |
| CN104147733A (en) * | 2014-07-31 | 2014-11-19 | 成都自能消防设备有限公司 | Gas-liquid mixing device |
| CN107051245A (en) * | 2017-02-13 | 2017-08-18 | 淮南市知产创新技术研究有限公司 | Microbubble generating mechanism and the microbubble generating apparatus with the mechanism |
-
2017
- 2017-09-14 CN CN201710828471.5A patent/CN109501001B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2200479Y (en) * | 1993-12-31 | 1995-06-14 | 中国石化金陵石油化工公司 | Upstream gas-liquid uniform distributer |
| JP2010168272A (en) * | 2008-12-26 | 2010-08-05 | Taiko Rozai Kk | Heat insulating monolithic refractory and method of constructing the same |
| CN102555055A (en) * | 2010-12-10 | 2012-07-11 | 中国石油化工股份有限公司 | Pressurized stirring device for foamed cement slurry |
| CN202174645U (en) * | 2011-05-04 | 2012-03-28 | 广东盛瑞土建科技发展有限公司 | Mixing device dedicated for foam cement slurry |
| CN104147733A (en) * | 2014-07-31 | 2014-11-19 | 成都自能消防设备有限公司 | Gas-liquid mixing device |
| CN107051245A (en) * | 2017-02-13 | 2017-08-18 | 淮南市知产创新技术研究有限公司 | Microbubble generating mechanism and the microbubble generating apparatus with the mechanism |
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|---|---|
| CN109501001B (en) | 2021-01-29 |
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