CN221032492U - Mud circulating device for water drilling construction - Google Patents
Mud circulating device for water drilling construction Download PDFInfo
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- CN221032492U CN221032492U CN202322999379.9U CN202322999379U CN221032492U CN 221032492 U CN221032492 U CN 221032492U CN 202322999379 U CN202322999379 U CN 202322999379U CN 221032492 U CN221032492 U CN 221032492U
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- mud
- tank
- water
- working platform
- drilling construction
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000005553 drilling Methods 0.000 title claims abstract description 45
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000005520 cutting process Methods 0.000 claims abstract description 32
- 239000002002 slurry Substances 0.000 claims abstract description 30
- 238000004140 cleaning Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000004576 sand Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model relates to a mud circulation device for water drilling construction, which comprises: the working platform is provided with a sleeve which can be sleeved on the drill bit of the drilling machine; the slurry transportation module is arranged on the working platform and is used for collecting and transporting slurry liquid generated in the drilling construction process; the mud treatment module is arranged at the outlet of the mud transportation module and can collect mud slurry and separate mud and drill cuttings in the mud slurry; the mud recycling module is arranged at the outlet of the mud treatment module and used for conveying the mud liquid filtered by the mud treatment module into the well; the mud treatment module is provided with a separating tank arranged below the working platform, the bottom of the separating tank is provided with a water collecting tank, the water collecting tank is communicated with the separating tank, a filter screen capable of filtering drill cuttings is arranged at the joint of the separating tank and the water collecting tank, and a cleaning mechanism capable of cleaning drill cuttings on the filter screen is arranged in the separating tank. The utility model is suitable for the technical field of mud circulation.
Description
Technical Field
The utility model relates to a mud circulation device for water drilling construction. Is suitable for the technical field of mud circulation.
Background
In the drilling system, mud circulation is in order to thoroughly return out drilling cuttings in the well completely, keeps the well clean to follow-up drilling work, wherein, in the pile foundation construction work on water, pile foundation perforating work also needs mud circulation device to guarantee the normal construction of stake foundation hole.
In the prior art, most mud circulation devices utilize forms such as sedimentation tank to separate drilling cuttings and mud in the mud when the work, but in the construction work process of pile foundation on water, can't provide great place construction sedimentation tank.
Disclosure of utility model
The utility model aims to solve the technical problems that: in order to solve the technical problems, the utility model provides a mud circulation device for water drilling construction.
The technical scheme adopted by the utility model is as follows: a mud circulating device for water drilling construction is characterized in that: the device comprises:
the working platform is provided with a sleeve which can be sleeved on the drill bit of the drilling machine;
The slurry transportation module is arranged on the working platform and is used for collecting and transporting slurry liquid generated in the drilling construction process;
The mud treatment module is arranged at the outlet of the mud transportation module and can collect mud slurry and separate mud and drill cuttings in the mud slurry;
The mud recycling module is arranged at the outlet of the mud treatment module and used for conveying the mud liquid filtered by the mud treatment module into the well;
The mud treatment module is provided with a separating tank arranged below the working platform, the bottom of the separating tank is provided with a water collecting tank, the water collecting tank is communicated with the separating tank, a filter screen capable of filtering drill cuttings is arranged at the joint of the separating tank and the water collecting tank, and a cleaning mechanism capable of cleaning drill cuttings on the filter screen is arranged in the separating tank. So, in the drilling construction process on water, arrange the rig on work platform to bore the drill bit of rig to in the ground behind the sleeve, carry the mud of drill chip can transport to mud processing module through mud transport module in, separate drill chip and mud under the filter screen effect of knockout drum, the drill chip is filtered on the filter screen surface, mud is transported to the sleeve pipe through mud recovery module, realize mud circulation, can clear up the drill chip on the filter screen through clearance mechanism when having filtered more drill chip on the filter screen simultaneously, the cyclic utilization of the device of being convenient for.
The cleaning mechanism is provided with a moving mechanism capable of moving the filter screen out of the cavity of the separating tank and a rotating mechanism capable of enabling the separating tank and the filter screen to rotate in a reciprocating mode. So, when collecting more drill cuttings on the filter screen, remove the filter screen outside the knockout drum cavity through moving mechanism, drive knockout drum and filter screen reciprocal rotation through rotary mechanism, throw away the drill cuttings on the filter screen, realize the clearance of drill cuttings on the filter screen.
The rotary mechanism is provided with an annular guide rail arranged at the top of the separating tank along the circumferential direction of the separating tank, at least one sliding block which is in sliding fit with the annular guide rail is fixedly arranged on the bottom surface of the working platform, and a driving mechanism for driving the separating tank to rotate is arranged on the working platform. Therefore, under the driving of the driving mechanism, the separating tank rotates under the matching action of the annular guide rail and the sliding block.
The driving mechanism is provided with a driving motor fixedly arranged on the bottom surface of the working platform, a transmission gear is arranged at the output end of the driving motor, and teeth meshed with the transmission gear are arranged on the inner wall of the separation tank along the circumferential direction of the separation tank. Therefore, under the driving action of the driving motor, the transmission gear rotates, and the separating tank rotates along the direction of the annular guide rail under the matching action of the teeth and the transmission gear.
The filter screen is connected with the header tank, the filter screen passes through at least one extension board fixed mounting on the separator tank inner wall, and the through-hole has been seted up to the bottom of separator tank, moving mechanism has the closing plate of installing in separator tank through-hole position department and installs the pneumatic cylinder on the extension board, the flexible end and the closing plate fixed connection of pneumatic cylinder. Thus, when the separating tank separates mud from drill cuttings, the hydraulic cylinder is controlled to extend out, so that the sealing plate can seal the through hole of the separating tank, and mud in the separating tank flows out of the filter screen; when the filter screen is rotated, the drill cuttings on the filter screen can be thrown out of the separating tank under the action of centrifugal force.
The mud recycling mechanism is provided with a first water pump arranged in the water collecting tank, a connecting pipe is connected to the outlet end of the first water pump, and the other end of the connecting pipe is connected with the sleeve. Thus, the first water pump conveys the slurry in the water collection tank back into the sleeve through the connecting pipe.
The working platform is characterized in that a treatment tank is further arranged on the bottom surface of the working platform, the treatment tank is connected with a first water pump of the water collecting tank through a first connecting pipe, and the treatment tank is connected with the sleeve through a second connecting pipe. Thus, after being filtered by the separating tank, the slurry enters the treatment box, and then bubbles, the sand remover and the mud remover are removed by the vacuum deaerator, so that the slurry meets the recycling requirement.
An overflow pipe is also arranged at the upper position of the separating tank, and the outlet end of the overflow pipe is connected to the water collecting tank. Thus, drill cuttings in the mud in the separation tank sink under the action of gravity, and the mud with clean upper part flows into the water collection tank through the overflow pipe, so that the influence on the speed of the mud passing through the filter screen and the integral mud circulation are avoided when more drill cuttings are collected on the filter screen.
The slurry transportation module is provided with a second water pump arranged on the working platform, the inlet end of the second water pump is connected with a slurry pipe, and the outlet end of the second water pump is connected with an output pipe. Thus, in the construction process of the drilling machine, the mud mixed with the drilling cuttings can be filled in the casing, and at the moment, the mud in the casing is discharged into the separation tank through the mud pipe and the output pipe under the action of the second water pump.
A plurality of supporting feet are fixedly arranged on the bottom surface of the working platform. Therefore, the working platform is arranged above the water surface, and the influence on equipment on the working platform after the equipment is immersed in the water body is avoided.
The beneficial effects of the utility model are as follows: according to the utility model, the mud in the pile foundation hole is pumped out through the mud conveying component and conveyed into the separating tank, and the drilling cuttings in the mud are separated under the action of the filter screen in the separating tank, so that the filtering effect of the mud is ensured due to the structure of the filter screen, and the filter screen can periodically rotate forward and backward by matching with the work of the forward and backward rotating motor, the gear and the teeth, and sand on the surface of the conical filter screen can be thrown out in time under the action of centrifugal force in the rotating process of the filter screen, so that the filtering effect of the conical filter screen is ensured, the filtering efficiency of the mud is improved, the construction of a sedimentation tank is avoided, and the construction work of a water pile foundation is facilitated.
Drawings
Fig. 1 and 2 are schematic perspective views of the present utility model;
FIG. 3 is a schematic diagram of the connection between the mud transport module and the mud treatment module according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a mud treatment module in accordance with the present utility model;
Fig. 5 is a schematic front cross-sectional view of a mud treatment module in accordance with the present utility model.
In the figure: 1. a working platform; 2. a sleeve; 3. a slurry pipe; 4. a second water pump; 5. an output pipe; 6. a treatment box; 7. a first connection pipe; 8. a connecting column; 9. a slide block; 10. an annular guide rail; 11. a separation tank; 12. an overflow pipe; 13. a water collection tank; 14. a driving motor; 15. a fixing plate; 16. a transmission gear; 17. a support plate; 18. a hydraulic cylinder; 19. a sealing plate; 20. a filter screen; 21. a first water pump.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment is a mud circulation device for water drilling construction, which is provided with a working platform 1, wherein a plurality of supporting feet are fixedly arranged at the bottom of the working platform 1, so that the working platform 1 can be arranged at a position above the water surface. The casing 2 is arranged on the working platform 1, when the working platform 1 is arranged on the water surface, the casing 2 can extend into the ground, and in the drilling construction process, the drill bit of the drilling machine extends into the casing 2 and drills the subsurface.
In this embodiment, a slurry transporting module is disposed on the working platform 1, and includes a second water pump 4, where an inlet end of the second water pump 4 is connected with a slurry pipe 3, and an outlet end of the second water pump 4 is connected with an output pipe 5. The mud pipe 3 is connected with the sleeve 2 during forward circulation drilling, the mud pipe 3 is connected with a drilling machine during reverse circulation drilling, and the output pipe 5 is connected with the separation tank 11 arranged at the lower end of the working platform 1. In this way, the slurry with the drill cuttings mixed during drilling is transported into the separator tank 11 by the second water pump 4.
In this embodiment, a water collection tank 13 is attached to the bottom of the separation tank 11, the separation tank 11 communicates with the water collection tank 13, and a filter screen 20 is attached to the communication between the separation tank 11 and the water collection tank 13. Thus, after the mud enters the separator tank 11, the filter screen 20 filters the cuttings and causes the mud to enter the header tank 13.
In the present embodiment, a first water pump 21 is installed in the water collection tank 13, and a connection pipe is connected to an outlet end of the first water pump 21. In this way, the mud in the water collection tank 13 can be transported back to the drilling site by the first water pump 21. The connecting pipe is connected with the drilling machine during forward circulation drilling, and the connecting pipe is connected with the sleeve 2 during reverse circulation drilling.
Further, a treatment tank 6 is connected to the middle position of the connection pipe, and the treatment tank 6 is installed on the bottom surface of the working platform 1. The connecting pipe section between the treatment tank 6 and the first water pump 21 of the water collecting tank 13 is a first connecting pipe 7, and the connecting pipe section between the treatment tank 6 and the drilling construction site is a second connecting pipe. The treatment box 6 is internally provided with a vacuum degasser, a sand remover and a mud remover, and the mud is enabled to meet the recycling requirement after being treated by the vacuum degasser, the sand remover and the mud remover.
An overflow pipe 12 is also installed at an upper position of the separation tank 11, and an outlet end of the overflow pipe 12 is connected to a water collection tank 13. In this way, the drill cuttings in the slurry in the separator tank 11 sink under the action of gravity, and the upper clean slurry flows into the water collection tank 13 through the overflow pipe 12, so that the influence on the speed of the slurry passing through the filter screen 20 when more drill cuttings are collected on the filter screen 20 is avoided, and the overall slurry circulation is influenced.
In this embodiment, a cleaning mechanism for cleaning drill cuttings on the screen 20 is provided in the separator tank 11. Wherein, the filter screen 20 is fixedly provided with two support plates 17, the two support plates 17 are symmetrically arranged, the end parts of the two support plates 17 are fixedly arranged on the inner wall of the separation tank 11, and the filter screen 20 is connected with the water collecting tank 13. A through hole is formed in the bottom of the separation tank 11, a filter screen 20 is located at the position of the through hole, a sealing plate 19 is installed at the position corresponding to the through hole in the separation tank 11, a hydraulic cylinder 18 is fixedly installed on the support plate 17, and the telescopic end of the hydraulic cylinder 18 is connected with the sealing plate 19. Thus, when the telescopic end of the hydraulic cylinder 18 extends, the sealing plate 19 seals the through hole of the separation tank 11, so that the slurry in the separation tank 11 flows from the filter screen 20; when the telescopic end of the hydraulic cylinder 18 is retracted, the sealing plate 19 moves towards the separating tank 11 until the filter screen 20 moves out of the cavity formed by the separating tank 11 and the sealing plate 19, and at the moment, the separating tank 11 and the filter screen 20 are driven to rotate under the action of the rotating mechanism, so that drill cuttings on the filter screen 20 are thrown out of the separating tank 11.
In this embodiment, an annular guide rail 10 is arranged on the top of the separation tank 11 along the circumferential direction of the separation tank 11, at least one sliding block 9 which is in sliding fit with the annular guide rail 10 is fixedly installed on the bottom surface of the working platform 1, the sliding block 9 is fixedly installed on the working platform 1 through a connecting column 8, a driving mechanism for driving the separation tank 11 to rotate is arranged on the working platform 1, the driving mechanism is provided with a driving motor 14 fixedly installed on the bottom surface of the working platform 1, the driving motor 14 is fixedly installed on a fixing plate 15, the fixing plate 15 is fixedly installed on one sliding block 9, a transmission gear 16 is installed on the output end of the driving motor 14, and teeth meshed with the transmission gear 16 are formed on the inner wall of the separation tank 11 along the circumferential direction of the separation tank 11. In this way, when the driving motor 14 operates, the driving gear 16 is driven to rotate, and the driving gear 16 is matched with teeth on the inner wall of the separating tank 11, so that the separating tank 11 rotates under the guiding action of the annular guide rail 10 and the sliding block 9, and drill cuttings on the filter screen 20 are thrown out of the separating tank 11. The driving motor 14 is in forward and reverse circulation operation, so that the separating tank 11 is driven to rotate in forward and reverse circulation, and a better cleaning effect is achieved.
The working principle of the reverse circulation drilling in the embodiment is as follows:
Firstly, a drill bit of a drilling machine passes through a sleeve 2, then a mud pipe 3 is connected with the drill bit, a switch of a second water pump 4 is connected, drill cuttings and mud in the sleeve 2 are pumped out through the mud pipe 3 and conveyed into a separation tank 11, under the action of gravity, the drill cuttings in the mud are blocked by a filter screen 20, the mud passes through the filter screen 20 and enters a water collection tank 13, and along with the conveying of the mud, the mud at the upper layer in the separation tank 11 enters the water collection tank 13 through an overflow pipe 12, so that the separation of the mud and the drill cuttings is realized;
The water pump is switched on, the slurry is conveyed into the treatment box 6 through the first connecting pipe 7 by the water pump, bubbles are removed through the vacuum deaerator, the sand remover and the mud remover separate sediment, and finally the mud enters the sleeve 2 through the second connecting pipe, so that the slurry circulation work is realized;
When the drill cuttings are cleaned, a switch of the hydraulic cylinder 18 is switched on to drive the annular sealing plate 19 to ascend, so that the filter screen 20 moves into a cavity formed by the separating tank 11 and the sealing plate 19;
The switch of the driving motor 14 is turned on, the driving motor 14 drives the gear to rotate, and the separating tank 11 and the filter screen 20 are driven to rotate under the matching of the gear and the teeth and the guiding matching of the annular guide rail 10 and the sliding block 9, so that drill cuttings on the surface of the conical filter screen 20 are thrown out under the action of centrifugal force.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. A mud circulating device for water drilling construction is characterized in that: the device comprises:
The working platform (1), there is a sleeve (2) that can be fitted on the drill bit of the rig on the working platform (1);
The slurry transportation module is arranged on the working platform (1) and is used for collecting and transporting slurry liquid generated in the drilling construction process;
The mud treatment module is arranged at the outlet of the mud transportation module and can collect mud slurry and separate mud and drill cuttings in the mud slurry;
The mud recycling module is arranged at the outlet of the mud treatment module and used for conveying the mud liquid filtered by the mud treatment module into the well;
The mud treatment module is provided with a separating tank (11) arranged below the working platform (1), a water collecting tank (13) is arranged at the bottom of the separating tank (11), the water collecting tank (13) is communicated with the separating tank (11), a filter screen (20) capable of filtering drill cuttings is arranged at the joint of the separating tank (11) and the water collecting tank (13), and a cleaning mechanism capable of cleaning the drill cuttings on the filter screen (20) is arranged in the separating tank (11).
2. A mud circulation device for water drilling construction according to claim 1, wherein: the cleaning mechanism is provided with a moving mechanism capable of moving the filter screen (20) out of the cavity of the separating tank (11) and a rotating mechanism capable of enabling the separating tank (11) and the filter screen (20) to reciprocally rotate.
3. A mud circulation device for water drilling construction according to claim 2, wherein: the rotating mechanism is provided with an annular guide rail (10) which is arranged at the top of the separating tank (11) along the circumferential direction of the separating tank (11), at least one sliding block (9) which is in sliding fit with the annular guide rail (10) is fixedly arranged on the bottom surface of the working platform (1), and a driving mechanism for driving the separating tank (11) to rotate is arranged on the working platform (1).
4. A mud circulation device for water drilling construction according to claim 3, wherein: the driving mechanism is provided with a driving motor (14) fixedly arranged on the bottom surface of the working platform (1), a transmission gear (16) is arranged at the output end of the driving motor (14), and teeth meshed with the transmission gear (16) are arranged on the inner wall of the separating tank (11) along the circumferential direction of the separating tank (11).
5. A mud circulation device for water drilling construction according to claim 2, wherein: the filter screen (20) is connected with the water collecting tank (13), the filter screen (20) is fixedly installed on the inner wall of the separation tank (11) through at least one support plate (17), a through hole is formed in the bottom of the separation tank (11), the moving mechanism is provided with a sealing plate (19) installed at the position of the through hole of the separation tank (11) and a hydraulic cylinder (18) installed on the support plate (17), and the telescopic end of the hydraulic cylinder (18) is fixedly connected with the sealing plate (19).
6. A mud circulation device for water drilling construction according to claim 1, wherein: the mud recycling mechanism is provided with a first water pump (21) arranged in the water collecting tank (13), a connecting pipe is connected to the outlet end of the first water pump (21), and the other end of the connecting pipe is communicated to a drilling construction site.
7. The mud circulation device for water drilling construction of claim 6, wherein: the bottom surface of the working platform (1) is also provided with a treatment box (6), the treatment box (6) is connected with a first water pump (21) of the water collecting tank (13) through a first connecting pipe (7), and the treatment box (6) is connected with a drilling construction site through a second connecting pipe.
8. A mud circulation device for water drilling construction according to claim 1, wherein: an overflow pipe (12) is also arranged at the upper part of the separation tank (11), and the outlet end of the overflow pipe (12) is connected to a water collecting tank (13).
9. A mud circulation device for water drilling construction according to claim 1, wherein: the slurry transportation module is provided with a second water pump (4) arranged on the working platform (1), a slurry pipe (3) is connected at the inlet end of the second water pump (4), and an output pipe (5) is connected at the outlet end of the second water pump (4).
10. A mud circulation device for water drilling construction according to claim 1, wherein: a plurality of supporting feet are fixedly arranged on the bottom surface of the working platform (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999379.9U CN221032492U (en) | 2023-11-07 | 2023-11-07 | Mud circulating device for water drilling construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322999379.9U CN221032492U (en) | 2023-11-07 | 2023-11-07 | Mud circulating device for water drilling construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032492U true CN221032492U (en) | 2024-05-28 |
Family
ID=91131454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322999379.9U Active CN221032492U (en) | 2023-11-07 | 2023-11-07 | Mud circulating device for water drilling construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032492U (en) |
-
2023
- 2023-11-07 CN CN202322999379.9U patent/CN221032492U/en active Active
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