CN113384948A - Slurry dewatering vibrating screen for slurry balance shield - Google Patents
Slurry dewatering vibrating screen for slurry balance shield Download PDFInfo
- Publication number
- CN113384948A CN113384948A CN202110664496.2A CN202110664496A CN113384948A CN 113384948 A CN113384948 A CN 113384948A CN 202110664496 A CN202110664496 A CN 202110664496A CN 113384948 A CN113384948 A CN 113384948A
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- vibrating screen
- box body
- mud
- screen
- screen box
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/01—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons
- B01D33/03—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements
- B01D33/0346—Filters with filtering elements which move during the filtering operation with translationally moving filtering elements, e.g. pistons with vibrating filter elements with flat filtering elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection
- B01D33/42—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in series connection concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/803—Accessories in which the filtering elements are moved between filtering operations ; Particular measures for removing or replacing the filtering elements; Transport systems for filters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a slurry dewatering vibrating screen for a slurry balance shield, which comprises: the vibrating screen box body is provided with a slurry feeding hole, a liquid-phase discharging hole and a solid-phase discharging hole, wherein the slurry feeding hole is arranged at the upper part of one end of the vibrating screen box body, and the liquid-phase discharging hole and the solid-phase discharging hole are respectively arranged at the lower part and the middle part of the other end of the vibrating screen box body; the upper part of the supporting device is fixedly arranged at the lower part of the vibrating screen box body so as to support the vibrating screen box body; the vibration excitation device is fixedly arranged at the upper part of the vibrating screen box body to generate vibration; and the vibrating screen is arranged in the vibrating screen box body and is used for containing the slurry flowing into the slurry feeding port. The dewatering vibrating screen simplifies the structure of the vibrating screen and reduces component parts; and is easy to install and disassemble.
Description
Technical Field
The invention relates to the technical field of vibrating screen equipment, in particular to a slurry dewatering vibrating screen for a slurry balance shield.
Background
The slurry water pressurization shield construction method is characterized in that slurry water is injected into a sealed compartment of a shield excavation surface, and the slurry water pressurization and the external pressure balance are adopted to ensure the stability of the soil body of the excavation surface. The method comprises the following steps that soil excavated during shield propulsion enters a slurry chamber at the front part of a shield, the soil is stirred by a stirring device, high-concentration slurry after stirring is pumped to the ground by a slurry pump, the slurry is separated on the ground and then enters a slurry chamber of an underground shield, slag is continuously discharged and purified for use, and a slurry dewatering vibrating screen is required for slurry-water separation. However, the conventional slurry dewatering vibrating screen for the slurry balance shield in the market at present has the disadvantages of complicated structural installation and difficult maintenance and replacement.
Based on the technical problems in the prior art, the invention provides a slurry dewatering vibrating screen for a slurry balance shield.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a slurry dewatering vibrating screen for a slurry balance shield.
The invention adopts the following technical scheme:
the invention provides a slurry dewatering vibrating screen for a slurry balance shield, which comprises:
the vibrating screen box body is provided with a slurry feeding hole, a liquid-phase discharging hole and a solid-phase discharging hole, wherein the slurry feeding hole is arranged at the upper part of one end of the vibrating screen box body, and the liquid-phase discharging hole and the solid-phase discharging hole are respectively arranged at the lower part and the middle part of the other end of the vibrating screen box body;
the upper part of the supporting device is fixedly arranged at the lower part of the vibrating screen box body so as to support the vibrating screen box body;
the vibration excitation device is fixedly arranged at the upper part of the vibrating screen box body to generate vibration;
and the vibrating screen is arranged in the vibrating screen box body and is used for containing the slurry flowing into the slurry feeding port.
Furthermore, the vibrating screen box body is obliquely arranged, and the slurry feeding hole is formed in the high end of the vibrating screen box body.
Further, the lower part of the supporting device is fixedly arranged on the substrate.
Further, the inside of shale shaker box is provided with the dashpot, the dashpot sets up the mud feed inlet with between the shale shaker.
Furthermore, the supporting device comprises 4 supporting legs, and the 4 supporting legs are respectively and fixedly arranged at two side ends of the vibrating screen box body.
Further, the supporting leg includes the stand, fixes vibrating spring and the fixed setting of stand upper end are in vibrating spring last fixed block, the fixed block is fixed to be set up on the shale shaker box.
Furthermore, the vibration excitation device comprises a vibration exciter mounting plate and a vibration exciter fixedly arranged on the vibration exciter mounting plate, and the vibration exciter mounting plate is fixedly arranged on the upper part of the vibrating screen box body.
Further, the vibrating screen comprises a first screen and a second screen, the swirl cutting point of the first screen is 74um, the swirl cutting point of the second screen is 20um, and the first screen is arranged above the second screen.
Further, the first screen cloth with the second screen cloth all sets up through the mount pad in the shale shaker box, the mount pad is including fixed the setting bottom plate on the shale shaker box inner wall with fix guide way on the bottom plate, the border of first screen cloth with the second screen cloth inlays to be established in the guide way.
Further, the first screen and the second screen comprise screen bodies, first clamping blocks, second clamping blocks and guide plates, the first clamping blocks, the second clamping blocks and the guide plates are fixedly arranged on the screen bodies, the first clamping blocks and the second clamping blocks are embedded in the guide grooves, and the guide plates are fixedly connected to the first clamping blocks, the second clamping blocks and the screen bodies respectively.
Furthermore, the buffer tank comprises a sieve grid and sieve grid baffles fixedly arranged at two side ends of the sieve grid, a feed inlet of the sieve grid is fixedly arranged at one end of the vibrating sieve box body which is high, and a solid phase outlet of the sieve grid is fixedly arranged at one end of the vibrating sieve box body which is low and is abutted to the solid phase discharge outlet.
Furthermore, the arc-shaped sieve lattice comprises an arc-shaped frame and steel belts fixedly arranged on the arc-shaped frame, and a gap for slurry to fall is reserved between every two adjacent steel belts.
Compared with the prior art, the invention has the following advantages:
1. according to the mud dewatering vibrating screen for the mud water balance shield, the vibrating screen box body, the supporting device, the vibration excitation device and the vibrating screen are arranged in a matched mode, on the basis of the prior art, the structure of the vibrating screen is simplified, and the number of components is reduced;
2. according to the mud dewatering vibrating screen for the mud water balance shield, the first screen and the second screen are convenient to mount and dismount through the matching arrangement of the guide groove, the first fixture block, the second fixture block and the guide plate;
3. according to the mud dewatering vibrating screen for the mud water balance shield, the buffer groove is arranged to buffer the entering mud, so that the service life of the vibrating screen is effectively prolonged;
4. according to the mud dewatering vibrating screen for the mud water balance shield, the arc-shaped screen grids and the screen grid baffle are arranged, and a layer of filtering is added before two-stage filtering, so that the mud dewatering effect is improved.
Drawings
FIG. 1 is a schematic structural diagram of a shale shaker for a slurry balance shield in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a shale shaker for a slurry balance shield in an embodiment of the present invention;
FIG. 3 is a schematic view of a mount in an embodiment of the invention;
FIG. 4 is a schematic illustration of a first screen in an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a buffer slot in an embodiment of the invention.
In the figure, 1-a vibrating screen box body, 11-a slurry feeding hole, 12-a liquid phase discharging hole, 13-a solid phase discharging hole, 14-a buffer groove, 141-an arc-shaped screen grid, 1411-an arc-shaped frame, 1412-a steel strip, 142-a screen grid baffle, 2-a supporting device, 21-a supporting leg, 211-an upright post, 212-a vibrating spring, 213-a fixed block, 3-an excitation device, 31-an exciter mounting plate, 32-an exciter, 4-a vibrating screen, 41-a first screen, 42-a second screen, 401-a screen body, 402-a first fixture block, 403-a second fixture block, 404-a guide plate, 5-a base plate, 6-a mounting seat, 61-a bottom plate and 62-a guide groove.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, it being understood that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
Examples
As shown in fig. 1-2, the mud dewatering vibrating screen for the slurry balance shield comprises:
the vibrating screen box body 1 is provided with a slurry feeding hole 11, a liquid phase discharging hole 12 and a solid phase discharging hole 13, wherein the slurry feeding hole 11 is arranged at the upper part of one end of the vibrating screen box body 1, and the liquid phase discharging hole 12 and the solid phase discharging hole 13 are respectively arranged at the lower part and the middle part of the other end of the vibrating screen box body 1;
the upper part of the supporting device 2 is fixedly arranged at the lower part of the vibrating screen box body 1 so as to support the vibrating screen box body 1;
the vibration excitation device 3 is fixedly arranged at the upper part of the vibrating screen box body 1 to generate vibration;
and the vibrating screen 4 is arranged in the vibrating screen box body 1 and is used for containing the slurry flowing in from the slurry feeding hole 11.
The vibrating screen box body 1 is obliquely arranged, and the slurry feeding hole 11 is formed in one end, high in the vibrating screen box body 1.
The lower part of the support device 2 is fixedly arranged on the base plate 5, wherein the base plate 5 is placed on the ground.
The inside of shale shaker box 1 is provided with buffer tank 14, buffer tank 14 sets up between mud feed inlet 11 and shale shaker 4.
In the above embodiment, the slurry flows into the buffer tank 14 after passing through the slurry inlet 11, and the slurry overflows from the buffer tank 14 onto the vibrating screen 4, so as to reduce the impact of the solid phase in the slurry on the vibrating screen 4.
The supporting device 2 comprises 4 supporting legs 21, 4 supporting legs 21 are respectively and fixedly arranged at two sides of the vibrating screen box body 1, wherein, the 4 supporting legs 21 comprise two supporting legs 21 supporting the front end (namely, the lower end side) of the vibrating screen box body 1 and two supporting legs 21 supporting the rear end (namely, the higher end side) of the vibrating screen box body 1.
In the above embodiment, when the excitation device 3 is activated, the vibration spring 212 functions to: the vibrating screen box body 1 is vibrated in a certain range through the elasticity of the vibrating spring 212 so as to separate mud; the vibration spring 212 is also used for buffering the vibration of the vibration excitation device, so that the supporting device 2 is kept stable.
The vibration exciter 3 comprises a vibration exciter mounting plate 31 and a vibration exciter 32 fixedly arranged on the vibration exciter mounting plate 31, and the vibration exciter mounting plate 31 is fixedly arranged on the upper part of the vibrating screen box body 1;
wherein, the exciter 32 adopts a double-shaft exciter.
The vibrating screen 4 comprises a first screen 41 and a second screen 42, the first screen 41 is arranged above the second screen 42, wherein the swirl cutting point of the first screen 41 is 74um, and the swirl cutting point of the second screen 42 is 20 um.
In the above embodiment, the slurry first enters the first screen 41, and the slurry leaking from the first screen 41 enters the second screen 42.
As shown in fig. 3, the first screen 41 and the second screen 42 are disposed in the vibrating screen box 1 through a mounting seat 6, the mounting seat 6 includes a bottom plate 61 fixedly disposed on an inner wall of the vibrating screen box 1 and a guide groove 62 fixed on the bottom plate 61, and edges of the first screen 41 and the second screen 42 are embedded in the guide groove 62.
In the above embodiment, two rows of the mounting seats 6 with the same height are respectively arranged on the inner walls of the two sides of the vibrating screen box 1 to fix the first screen 41 and the second screen 42, and the mounting seats 6 are fixedly arranged on the inner walls of the two sides of the vibrating screen box 1 in an angle horse or screw connection manner, so as to facilitate adjustment of angles and positions of the mounting seats 6.
As shown in fig. 4, each of the first screen 41 and the second screen 42 includes a screen body 401, and a first fixture block 402, a second fixture block 403 and a guide plate 404 which are fixedly disposed on the screen body 401, the first fixture block 402 and the second fixture block 403 are embedded in the guide groove 62, and the guide plate 404 is fixedly connected to the first fixture block 402, the second fixture block 403 and the screen body 401;
in the actual installation process, the first fixture 402 and the second fixture 403 are respectively inserted into the two rows of the installation seats 6 by taking the guide plate 404 as the head end of the insertion.
In the above embodiment, the first fixture 402, the second fixture 403 and the guide plate 404 are respectively disposed on three edges of the screen body 401, and form a C-shaped structure by enclosing, so that the first screen 41 or the second screen 42 can be conveniently inserted into the guide groove 62;
the first fixture block 402, the second fixture block 403 and the guide plate 404 are welded to form a C-shaped structure, and then the screen body 401 is fixed in the C-shaped structure in a welding or bolt connection manner;
as an improvement, in order to prevent the first screen 41 and the second screen 42 from deforming under stress, 1 to 3 reinforcing beams are welded between the first fixture block 402 and the second fixture block 403, and the reinforcing beams are located at the lower part of the screen body 401;
in order to more firmly insert the first screen 41 or the second screen 42 into the guide groove 62, bolts are inserted between the first fixture block 402, the second fixture block 403 and the guide groove 62, wherein the first fixture block 402 and/or the second fixture block 403 are temporarily and fixedly connected to the guide groove 62, so that the first screen 41 and the second screen 42 are prevented from being deformed by a force.
As shown in fig. 5, the buffer tank 14 includes a sieve grid 141 and sieve grid baffles 142 fixedly disposed at both side ends of the sieve grid 141, a feed inlet of the sieve grid 141 is fixedly disposed at a higher end of the vibrating sieve box 1, and a solid phase outlet of the sieve grid 141 is fixedly disposed at a lower end of the vibrating sieve box 1 and abuts against the solid phase discharge outlet 13;
the curved screen grid 141 comprises a curved frame 1411 and steel belts 1412 fixedly arranged on the curved frame 1411, wherein a gap for slurry to fall is reserved between the adjacent steel belts 1412.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. The utility model provides a slurry balance shield constructs uses mud dewatering shale shaker which characterized in that includes:
the vibrating screen box body is provided with a slurry feeding hole, a liquid-phase discharging hole and a solid-phase discharging hole, wherein the slurry feeding hole is arranged at the upper part of one end of the vibrating screen box body, and the liquid-phase discharging hole and the solid-phase discharging hole are respectively arranged at the lower part and the middle part of the other end of the vibrating screen box body;
the upper part of the supporting device is fixedly arranged at the lower part of the vibrating screen box body so as to support the vibrating screen box body;
the vibration excitation device is fixedly arranged at the upper part of the vibrating screen box body to generate vibration;
and the vibrating screen is arranged in the vibrating screen box body and is used for containing the slurry flowing into the slurry feeding port.
2. The mud dewatering vibrating screen for a mud balance shield as recited in claim 1, wherein the vibrating screen box is disposed at an incline, and the mud feed port is disposed at a high end of the vibrating screen box.
3. The shale shaker of claim 1, wherein a lower portion of the support device is fixedly disposed on the base plate.
4. The mud dewatering vibrating screen for a mud balance shield as recited in claim 1, wherein a buffer groove is provided inside the vibrating screen box, the buffer groove being provided between the mud feed port and the vibrating screen.
5. The mud dewatering vibrating screen for the mud balance shield as recited in claim 1, wherein the support device comprises 4 support legs, and the 4 support legs are respectively and fixedly arranged at two side ends of the vibrating screen box body.
6. The mud dewatering vibrating screen for the mud water balance shield as recited in claim 5, wherein the support leg comprises a stand column, a vibrating spring fixed at the upper end of the stand column and a fixed block fixedly arranged on the vibrating spring, and the fixed block is fixedly arranged on the vibrating screen box body.
7. The mud dewatering vibrating screen for the mud balance shield as recited in claim 1, wherein the vibration exciter comprises a vibration exciter mounting plate and a vibration exciter fixedly arranged on the vibration exciter mounting plate, and the vibration exciter mounting plate is fixedly arranged on the upper portion of the vibrating screen box body.
8. The mud dewatering vibrating screen for the mud water balance shield as recited in claim 1, wherein the vibrating screen comprises a first screen and a second screen, the first screen and the second screen are both disposed in the vibrating screen box through a mounting seat, the mounting seat comprises a bottom plate fixedly disposed on an inner wall of the vibrating screen box and a guide groove fixed on the bottom plate, and edges of the first screen and the second screen are embedded in the guide groove.
9. The mud-water balance shield mud dewatering vibrating screen as claimed in claim 8, wherein the first screen and the second screen each comprise a screen body, and a first fixture block, a second fixture block and a guide plate fixedly arranged on the screen body, the first fixture block and the second fixture block are embedded in the guide groove, and the guide plate is fixedly connected to the first fixture block, the second fixture block and the screen body respectively.
10. The mud dewatering vibrating screen for the mud water balance shield, according to claim 4, wherein the buffer tank comprises a sieve bend grid and sieve grid baffles fixedly arranged at two side ends of the sieve bend grid, a feed inlet of the sieve bend grid is fixedly arranged at one end of the vibrating screen box body which is high, and a solid phase outlet of the sieve bend grid is fixedly arranged at one end of the vibrating screen box body which is low and is abutted against the solid phase discharge outlet; the arc-shaped sieve lattice comprises an arc-shaped frame and steel belts fixedly arranged on the arc-shaped frame, and a gap for slurry to fall is reserved between every two adjacent steel belts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664496.2A CN113384948A (en) | 2021-06-16 | 2021-06-16 | Slurry dewatering vibrating screen for slurry balance shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110664496.2A CN113384948A (en) | 2021-06-16 | 2021-06-16 | Slurry dewatering vibrating screen for slurry balance shield |
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| Publication Number | Publication Date |
|---|---|
| CN113384948A true CN113384948A (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110664496.2A Pending CN113384948A (en) | 2021-06-16 | 2021-06-16 | Slurry dewatering vibrating screen for slurry balance shield |
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| CN (1) | CN113384948A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797233A (en) * | 2022-04-15 | 2022-07-29 | 李和平 | Drilling mud filtration equipment for oil development |
-
2021
- 2021-06-16 CN CN202110664496.2A patent/CN113384948A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114797233A (en) * | 2022-04-15 | 2022-07-29 | 李和平 | Drilling mud filtration equipment for oil development |
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