CN113134310A - Static mixer suitable for flowing water slip casting - Google Patents
Static mixer suitable for flowing water slip casting Download PDFInfo
- Publication number
- CN113134310A CN113134310A CN202110557566.4A CN202110557566A CN113134310A CN 113134310 A CN113134310 A CN 113134310A CN 202110557566 A CN202110557566 A CN 202110557566A CN 113134310 A CN113134310 A CN 113134310A
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- Prior art keywords
- threaded joint
- section
- wall
- static mixer
- mixing unit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
- B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
- B01F25/4314—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles
- B01F25/43141—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor with helical baffles composed of consecutive sections of helical formed elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/10—Maintenance of mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/51—Mixing receptacles characterised by their material
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a static mixer suitable for flowing water grouting, which comprises a male threaded joint, a check valve, a mixing unit, a female threaded joint and an outer barrel, wherein the male threaded joint, the check valve, the mixing unit, the female threaded joint and the outer barrel are sequentially assembled along an axial central line, are in threaded connection between the male threaded joint and the female threaded joint and are arranged outside the mixing unit; the mixing unit comprises a mandrel and a plurality of layers of helical blades uniformly distributed along the length direction of the mandrel, each layer comprises three helical blades, and the left-handed blades and the right-handed blades are arranged in a staggered manner. And the check valve and the mixing unit in the outer barrel can be taken out for cleaning and maintenance after the threaded joint is disassembled from the outer barrel. The whole static mixer adopts a detachable combined structure, different mixing units can be replaced according to different grouting materials, the check valve and the mixing units inside the mixer can be cleaned and maintained conveniently in time, and the static mixer is particularly suitable for grouting of underwater rapid-setting expansion grouting materials and can be reused.
Description
Technical Field
The invention belongs to the field of mine water prevention and control, and particularly relates to a static mixer suitable for flowing water grouting.
Background
The static mixer is a high-efficiency mixing device without moving parts, and the basic working principle of the static mixer is to change the flowing state of slurry in a pipe by using a mixing unit body fixed in the pipe so as to achieve the aim of fully mixing different slurries. Static mixers have been widely used in the chemical industry, food industry, textile industry, etc., with good results. However, the existing static mixers are all disposable non-detachable structures, the recycling rate is low, and the mixing unit cannot be replaced.
Disclosure of Invention
The invention aims to provide a reusable static mixer suitable for a replaceable mixing unit of moving water grouting.
The invention provides a static mixer suitable for flowing water grouting, which comprises a male threaded joint, a check valve, a mixing unit and a female threaded joint which are sequentially assembled along an axial central line, wherein the outer cylinder is connected between the male threaded joint and the female threaded joint in a threaded manner and outside the mixing unit; the mixing unit comprises a mandrel and a plurality of layers of helical blades uniformly distributed along the length direction of the mandrel, each layer comprises three helical blades, and the left-handed blades and the right-handed blades are arranged in a staggered manner.
In one embodiment of the above technical scheme, the middle section of the outer wall of the male threaded joint is a cylindrical section, the upper and lower end sections of the outer wall are respectively a tapered threaded section and a double-ended straight threaded section, a socket plate is welded in a port of the tapered threaded section, the socket plate comprises a cylindrical pipe and three axial blocks uniformly distributed on the outer wall of the cylindrical pipe along the circumferential direction, and the outer sides of the axial blocks are welded with the inner wall of the male threaded joint; the socket plate is used for connecting the drill pipe central pipe.
In an embodiment of the above technical scheme, the check valve includes a valve seat, a valve core, a spring and a sealing ring, the valve core and the valve seat are inserted and connected with each other along a coaxial central line, two ends of the spring are respectively fixed in inner cavities of the valve seat and the valve core, a circle of radial outlet is arranged at a lower end section of the valve seat, a limiting projection is arranged at a lower end of the valve seat, and the sealing ring is embedded at an outer end of an outer wall of the valve core.
In an embodiment of the above technical scheme, the check valve is assembled in a central hole of a straight thread section of the male thread joint, a limit projection of a valve seat of the check valve is located outside an end face of the straight thread section, and an axial outer wall of the limit projection is flush with an axial outer wall of the straight thread section.
In an embodiment of the above technical solution, an upper end section of an outer wall of the female threaded joint is a double-ended straight threaded section, a lower end section of the outer wall has a diameter larger than that of the upper end section, a lower end section of the inner wall is a tapered threaded section, and a diameter of the lower end section of the outer wall is the same as that of the outer cylinder.
In an embodiment of the above technical scheme, two end sections of the outer cylinder are respectively in threaded connection with the double-end straight thread sections of the male threaded joint and the female threaded joint.
In an embodiment of the above technical solution, two ends of the mixing unit respectively contact with the lower end surface of the valve seat and the upper end surface of the female screw joint.
The threaded connection between the outer barrel of the static mixer and the male threaded joint and the female threaded joint which are convenient to disassemble can be realized, and the check valve and the mixing unit in the outer barrel can be taken out for cleaning and overhauling after the threaded joint is disassembled from the outer barrel. The detachable combined structure is adopted by the whole static mixer, different mixing units can be replaced according to different grouting materials, the check valve and the mixing units inside the mixer can be cleaned and maintained in time conveniently, and the underwater rapid-hardening expansion grouting mixer is particularly suitable for grouting of underwater rapid-hardening expansion grouting materials, and the mixer cannot be reused if the underwater rapid-hardening expansion materials are easily screwed in the mixer and cleaned untimely.
Drawings
Fig. 1 is a schematic longitudinal sectional view of an embodiment of the present invention.
Fig. 2 is a schematic view of the outer shape thereof.
FIG. 3 is an enlarged schematic view of the pin joint of FIG. 1 and a bushing plate weldment in the center tube thereof.
Fig. 4 is a schematic view of the external form of fig. 3.
Fig. 5 is a schematic external view of the socket plate of fig. 4.
Fig. 6 is an enlarged schematic structural view of the check valve in fig. 1.
Fig. 7 is a schematic view of the profile of fig. 6.
Fig. 8 is an enlarged schematic structural view of the mixing unit of fig. 1.
Fig. 9 is a schematic view a-a in fig. 8.
Fig. 10 is a schematic view of the profile of fig. 8.
Fig. 11 is an enlarged schematic view of the female threaded joint of fig. 1.
Fig. 12 is a schematic view of the outer shape of fig. 11.
Detailed Description
As shown in fig. 1, the static mixer suitable for the flowing water grouting disclosed in the present embodiment includes a male threaded joint 1, a check valve 2, an outer cylinder 3, a female threaded joint 4, and a mixing unit 5.
As can be seen from fig. 1 and 3 to 5, the middle section of the outer wall of the male threaded joint 1 is a cylindrical section, the two end sections of the outer wall are respectively a tapered threaded section and a double-end straight threaded section, a socket plate 7 is welded in a port of the tapered threaded section, the socket plate 7 comprises a cylindrical pipe and three axial blocks uniformly distributed on the outer wall of the cylindrical pipe along the circumferential direction, and the outer sides of the axial blocks are welded with the inner wall of the male threaded joint.
The conical thread section is an upper end section and used for being connected with an oil drill pipe, and the double-end straight thread section is a lower end section and used for being connected with the outer cylinder.
The male threaded joint 1 and the socket plate 7 are both made of 35 CrMo.
As can be seen from fig. 1, 6 and 7, the check valve 2 includes a valve seat 21, a valve core 22, a spring 23 and a rubber sealing ring MFQ, the valve core 22 and the valve seat 21 are coaxially inserted to the central line, two ends of the spring 23 are respectively fixed in the inner cavities of the valve seat and the valve core, a circle of radial outlet is arranged at the lower end section of the valve seat, a limiting bump is arranged at the lower end, and the rubber sealing ring is embedded in the outer end of the outer wall of the valve core 22.
As can be seen from fig. 1, the check valve 2 is fitted in the center hole of the lower end section of the male connector 1, the limit projection of the valve seat 21 is located outside the end face of the lower end section of the male connector 1, and the axial outer wall of the limit projection is flush with the axial outer wall of the lower end section.
The check valve is used for preventing water and slag in the drill hole from entering a container of the A, B drill pipe so as to prevent grouting materials from generating chemical reaction in the pipeline.
As can be seen from fig. 1, 11 and 12, the upper end section of the outer wall of the female threaded joint 5 is a double-ended straight thread section, the diameter of the lower end section of the outer wall is larger than that of the upper end, the lower end section of the inner wall is a tapered thread section, and the diameter of the lower end section of the outer wall is the same as that of the straight ribs of the outer cylinder 4.
The material of female thread joint is 35 CrMo.
Two end sections of the outer cylinder 4 are respectively in threaded connection with the double-end straight thread sections of the male threaded joint 1 and the female threaded joint 5.
The outer cylinder is formed by processing a high-strength thick-wall seamless steel pipe, can bear the pressure, torque and vibration generated by rock breaking of a drill bit during drilling operation, and can also bear the pressure generated by a filling agent.
The mixing unit 6 includes a mandrel 61 and a plurality of layers of helical blades welded at uniform intervals along the length thereof, each layer including 3 helical blades, and left-handed blades 62 and right-handed blades 63 arranged alternately.
The mandrel 61, the left-handed piece 62 and the right-handed piece 63 are all made of 3Cr 13.
And the left and right spiral sheets are welded on the mandrel according to a design drawing and then the excircle and the end face of the mixing unit are integrally processed.
The left rotary piece and the right rotary piece are blanked into a semi-annular plate when being manufactured, the excircle is left with allowance, and the spiral shape is manufactured by adopting a single-piece manual hot pressing or combined cold drawing forming method and the like.
Both ends of the mixing unit 6 are in contact with the lower end surface of the valve seat 21 and the upper end surface of the female screw joint 5, respectively.
And a sealing ring MFQ is arranged between the upper end of the inner cavity of the outer barrel 4 and the lower end face of the male threaded joint 1.
According to the structure of the static mixer, the outer barrel is in threaded connection with the male threaded joint and the female threaded joint, so that the threaded joint is convenient to disassemble, and the check valve and the mixing unit in the outer barrel can be taken out for cleaning and overhauling after the threaded joint is disassembled from the outer barrel. The detachable combined structure is adopted by the whole static mixer, different mixing units can be replaced according to different grouting materials, the check valve and the mixing units inside the mixer can be cleaned and maintained in time conveniently, and the underwater rapid-hardening expansion grouting mixer is particularly suitable for grouting of underwater rapid-hardening expansion grouting materials, and the mixer cannot be reused if the underwater rapid-hardening expansion materials are easily screwed in the mixer and cleaned untimely.
When the mixer is used, the upper end of the mixer is connected with an oil drill rod through a male thread joint, and the lower end of the mixer is connected with a drill bit and a device for storing and filling bags through a female thread joint. The mixing unit is a key element for fully mixing two streams of fluid, namely an agent A and an agent B of the underwater rapid-setting expansion grouting material are conveyed to a male threaded joint of the mixer through an annular space between a central pipe of a drill pipe and a central hole and a central pipe, a check valve is opened through the pressure of the grouting material, and the agent A and the agent B of the underwater rapid-setting expansion grouting material enter the static mixer according to a formula proportion and a certain flow rate; under the action of the mixing unit, A, B doses of fluid are left-handed and right-handed, so that the aim of cutting, shearing and rotating the fluid to fully mix is fulfilled; the mixed underwater rapid-hardening expansion grouting material enters a device (head bag) for storing and filling bags through a female threaded joint of the mixer to complete the water-moving grouting task.
After the mixer is lifted and taken out from the drilled hole after grouting, the male threaded connector, the female threaded connector and the outer cylinder can be quickly detached and separated, the check valve and the mixing unit are taken down for cleaning, and solidification of grouting materials is avoided, so that the mixer can be repeatedly used.
Claims (7)
1. The utility model provides a static mixer suitable for flowing water slip casting which characterized in that: the mixing device comprises a male threaded joint, a check valve, a mixing unit and a female threaded joint which are sequentially assembled along a coaxial axial center line, and an outer cylinder which is in threaded connection between the male threaded joint and the female threaded joint and outside the mixing unit; the male thread joint is connected with the central pipe of the petroleum drill pipe, and the female thread joint is connected with the drill bit and the device for storing and filling bags;
the mixing unit comprises a mandrel and a plurality of layers of helical blades uniformly distributed along the length direction of the mandrel, each layer comprises three helical blades, and the left-handed blades and the right-handed blades are arranged in a staggered manner.
2. The static mixer suitable for use in dynamic water grouting according to claim 1, characterized in that: the middle section of the outer wall of the male threaded joint is a cylindrical section, the upper end section and the lower end section of the outer wall are respectively a conical threaded section and a double-end straight threaded section, a socket plate is welded in a port of the conical threaded section, the socket plate comprises a cylindrical pipe and three axial blocks which are uniformly distributed on the outer wall of the cylindrical pipe along the circumferential direction, and the outer sides of the axial blocks are welded with the inner wall of the male threaded joint; the socket plate is used for connecting the drill pipe central pipe.
3. The static mixer suitable for use in dynamic water grouting according to claim 2, characterized in that: the check valve comprises a valve seat, a valve core, a spring and a sealing ring, wherein the valve core and the valve seat are inserted and connected with each other along a coaxial central line, two ends of the spring are respectively fixed in inner cavities of the valve seat and the valve core, a circle of radial outlet and a limiting bump at the lower end are arranged at the lower end section of the valve seat, and the sealing ring is embedded at the outer end of the outer wall of the valve core.
4. A static mixer suitable for use in dynamic water grouting according to claim 3, characterised in that: the check valve is assembled in a central hole of the straight thread section of the male thread joint, a limiting lug of a valve seat of the check valve is positioned outside the end surface of the straight thread section, and the axial outer wall of the limiting lug is flush with the axial outer wall of the straight thread section.
5. The static mixer suitable for use in dynamic water grouting according to claim 4, characterized in that: the upper end section of the outer wall of the female threaded joint is a double-end straight thread section, the diameter of the lower end section of the outer wall is larger than that of the upper end section, the lower end section of the inner wall is a conical thread section, and the diameter of the lower end section of the outer wall is the same as that of the outer barrel.
6. The static mixer suitable for use in dynamic water grouting according to claim 5, characterized in that: and the two end sections of the outer barrel are respectively in threaded connection with the double-end straight thread sections of the male threaded joint and the female threaded joint.
7. The static mixer suitable for use in dynamic water grouting according to claim 5, characterized in that: and two ends of the mixing unit are respectively contacted with the lower end surface of the valve seat and the upper end surface of the female threaded joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557566.4A CN113134310A (en) | 2021-05-21 | 2021-05-21 | Static mixer suitable for flowing water slip casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557566.4A CN113134310A (en) | 2021-05-21 | 2021-05-21 | Static mixer suitable for flowing water slip casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113134310A true CN113134310A (en) | 2021-07-20 |
Family
ID=76817431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110557566.4A Pending CN113134310A (en) | 2021-05-21 | 2021-05-21 | Static mixer suitable for flowing water slip casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113134310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967419A (en) * | 2021-09-27 | 2022-01-25 | 濮阳市万泉化工有限公司 | Static mixing arrangement is used to sealed glue of production |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH681430A5 (en) * | 1990-06-29 | 1993-03-31 | Bewi & Co | Static one way mixt. nozzle - is exchangeable and fixed to manually or pneumatically operated discharge head |
| CN101048574A (en) * | 2004-10-21 | 2007-10-03 | 米诺华国际有限公司 | Method for embedding rock anchors |
| CN202605411U (en) * | 2012-04-12 | 2012-12-19 | 福建省百仕韦医用高分子股份有限公司 | Medical needle-free positive pressure joint |
| CN203603155U (en) * | 2013-12-05 | 2014-05-21 | 安徽理工大学 | Novel double-size grouting end mixing device |
| CN105317396A (en) * | 2015-10-13 | 2016-02-10 | 山东大学 | Mixing device for grout in inlet well at ground and application method thereof |
| CN210001798U (en) * | 2019-06-06 | 2020-01-31 | 中国葛洲坝集团易普力股份有限公司 | Quick-release type static sensitization device for on-site mixed loading vehicle |
| CN212348286U (en) * | 2020-06-02 | 2021-01-15 | 中国石油化工集团有限公司 | High-efficient sulphur removal static mixing arrangement |
-
2021
- 2021-05-21 CN CN202110557566.4A patent/CN113134310A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH681430A5 (en) * | 1990-06-29 | 1993-03-31 | Bewi & Co | Static one way mixt. nozzle - is exchangeable and fixed to manually or pneumatically operated discharge head |
| CN101048574A (en) * | 2004-10-21 | 2007-10-03 | 米诺华国际有限公司 | Method for embedding rock anchors |
| CN202605411U (en) * | 2012-04-12 | 2012-12-19 | 福建省百仕韦医用高分子股份有限公司 | Medical needle-free positive pressure joint |
| CN203603155U (en) * | 2013-12-05 | 2014-05-21 | 安徽理工大学 | Novel double-size grouting end mixing device |
| CN105317396A (en) * | 2015-10-13 | 2016-02-10 | 山东大学 | Mixing device for grout in inlet well at ground and application method thereof |
| CN210001798U (en) * | 2019-06-06 | 2020-01-31 | 中国葛洲坝集团易普力股份有限公司 | Quick-release type static sensitization device for on-site mixed loading vehicle |
| CN212348286U (en) * | 2020-06-02 | 2021-01-15 | 中国石油化工集团有限公司 | High-efficient sulphur removal static mixing arrangement |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113967419A (en) * | 2021-09-27 | 2022-01-25 | 濮阳市万泉化工有限公司 | Static mixing arrangement is used to sealed glue of production |
| CN113967419B (en) * | 2021-09-27 | 2024-04-02 | 濮阳市万泉化工有限公司 | Static mixing device for producing sealant |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210720 |
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| RJ01 | Rejection of invention patent application after publication |