CN220890139U

CN220890139U - Mud and sand removing device for drilling fluid

Info

Publication number: CN220890139U
Application number: CN202322703034.4U
Authority: CN
Inventors: 徐军; 陈帅; 李森才; 杨钦山; 刘丹丹
Original assignee: Chengdu Tiansheng Drilling And Production Equipment Co ltd
Current assignee: Chengdu Tiansheng Drilling And Production Equipment Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-05-03
Anticipated expiration: 2033-10-09

Abstract

The utility model provides a drilling fluid silt removing device, which relates to the technical field of drilling fluid filtration and comprises a silt removing assembly, a driving assembly, a collecting assembly and an extruding assembly; the driving assembly is arranged on the silt removing assembly; the extrusion assembly is arranged at the left side of the silt removing assembly; the mud and sand removing cylinders are welded at the tops of the two supporting frames, and seven mud and sand removing micropores are formed in the bottom of the mud and sand removing cylinders; the drilling fluid inlet pipe is welded at the top of the mud-removing sand cylinder; the filtered silt moves from right to left under the action of the spiral blade, and meanwhile, the spiral blade also has a scraping effect on the inner wall of the silt removing cylinder, so that blockage of micropores for removing the silt is avoided; the mud and sand in the drilling fluid are extruded, so that the residual drilling fluid in the mud and sand is avoided, and the mud and sand removing effect of the drilling fluid is improved.

Description

Mud and sand removing device for drilling fluid

Technical Field

The utility model belongs to the technical field of drilling fluid filtration, and particularly relates to a drilling fluid mud and sand removing device.

Background

The drilling fluid is a general term of various circulating fluids which meet the drilling work requirement by virtue of multiple functions in the drilling process, is drilling blood, is also called drilling flushing fluid, can be divided into clear water, slurry, clay-free flushing fluid, emulsion, foam, compressed air and the like according to the components, can bring a large amount of mud and sand out of the ground surface, and needs to remove the mud and sand in the drilling fluid when being reused.

The utility model patent of the application number 202022056709.7 discloses a drilling fluid mud and sand removing device, which comprises a base, the top fixedly connected with fixed case of base, be equipped with the chamber door on the fixed case, the top of fixed case is equipped with the feed liquor pipe, fixedly connected with coarse screen on the inner wall of one side in the fixed case, one side fixedly connected with collecting box of fixed case, the one end of coarse screen extends to the collecting box in, the top fixedly connected with collecting frame of base, the bottom fixedly connected with discharging pipe of collecting box seals, is equipped with the solenoid valve on the discharging pipe, the beneficial effect of the utility model is: the utility model has reasonable structure and simple operation, can carry out preliminary filtration on the silt through the coarse screen, prevent the fine screen from being blocked, carry out secondary filtration through the fine screen, remove the silt in the drilling fluid more thoroughly, and the fine screen moves reciprocally, thus preventing the fine screen from being blocked by the silt, and being convenient to use.

Based on the above, the inventor finds that, because mud and sand in the drilling fluid are approximately sticky, the flowing effect is poor, the existing mud and sand removing device for the drilling fluid is difficult to clean the filtered mud and sand simply by means of the inclination of the filter plate, and the device can be blocked, and further, the device is generally lack of an extrusion structure, so that the filtered mud and sand cannot be extruded, a small amount of drilling fluid still remains in the mud and sand, and the mud and sand removing effect of the drilling fluid is reduced.

Disclosure of utility model

In order to solve the technical problems at least to a certain extent, the utility model provides a drilling fluid silt removing device.

The utility model relates to a mud and sand removing device for drilling fluid, which is realized by the following specific technical means:

A mud and sand removing device for drilling fluid comprises a mud and sand removing assembly, a driving assembly, a collecting assembly and an extruding assembly; the driving assembly is arranged on the silt removing assembly; the collecting assembly is arranged at the bottom of the silt removing assembly; the extrusion assembly is arranged at the left side of the silt removing assembly;

The silt removing assembly includes: the device comprises a support frame, a mud-removing sand cylinder and a drilling fluid inlet pipe; the two support frames are provided with four fixing holes respectively; the mud and sand removing cylinders are welded at the tops of the two supporting frames, and seven mud and sand removing micropores are formed in the bottom of the mud and sand removing cylinders; the drilling fluid inlet pipe is welded at the top of the mud and sand removing cylinder.

Further, the pressing assembly includes: the first bending pipe, the locking rod and the first mounting block; the bent pipe is in threaded connection with the left end of the mud sand removing cylinder; six locking rods are arranged in total and welded outside the bent pipe; the two mounting blocks are arranged in total, and the first mounting block and the second mounting block are welded on the front side and the rear side of the bent pipe.

Further, the driving assembly includes: the motor, the driving shaft and the helical blade; the motor is fixedly arranged on the right side of the mud and sand removing cylinder; the driving shaft is fixedly arranged at the left side of the motor; the helical blade is welded outside the driving shaft, and the outer wall of the helical blade is in contact with the silt removing sand cylinder.

Further, the pressing assembly further includes: a guide shaft and a second mounting block; the two guide shafts are arranged in total, and are welded on the left side of the first installation block; and the second mounting blocks are arranged in two in total and are slidably arranged outside the two guide shafts.

Further, the collection assembly includes: a collection hood and drilling fluid drain; the collecting cover is welded at the bottom of the mud-removing sand cylinder; the drilling fluid drain pipe is welded at the bottom of the collecting cover.

Further, the pressing assembly further includes: the disc, the limit retainer ring and the spring are extruded; the extrusion disc is welded on the inner sides of the two mounting blocks II; the two limiting check rings are arranged in total and welded outside the two guide shafts; the springs are arranged in total, the two springs are arranged outside the two guide shafts, and the two springs are positioned between the two mounting blocks II and the two limiting check rings.

Compared with the prior art, the utility model has the following beneficial effects:

1. The filtered silt and sand move from right to left under the action of the helical blade, and meanwhile, the helical blade also has a scraping effect on the inner wall of the silt removing sand cylinder, so that clogging of micropores for removing the silt and sand is avoided.

2. The mud and sand in the drilling fluid are extruded, so that the residual drilling fluid in the mud and sand is avoided, and the mud and sand removing effect of the drilling fluid is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic diagram of the front view structure of fig. 1 according to the present utility model.

FIG. 3 is a schematic view of the construction of the silt removing assembly of the present utility model.

Fig. 4 is a schematic view of the structure of the driving assembly of the present utility model.

Fig. 5 is a schematic view of the structure of the pressing assembly of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. A silt removal assembly; 101. a support frame; 1011. a fixing hole; 102. a mud and sand removing cylinder; 1021. removing mud and sand micropores; 103. drilling fluid inlet pipe; 2. a drive assembly; 201. a motor; 202. a drive shaft; 203. a helical blade; 3. a collection assembly; 301. a collection cover; 302. drilling fluid discharge pipes; 4. an extrusion assembly; 401. bending the pipe; 402. a locking lever; 403. a first mounting block; 404. a guide shaft; 405. a second mounting block; 406. extruding the disc; 407. a limit retainer ring; 408. and (3) a spring.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Embodiment one: as shown in fig. 1 to 5: the utility model provides a drilling fluid silt removing device which comprises a silt removing assembly 1, a driving assembly 2, a collecting assembly 3 and an extruding assembly 4; the driving assembly 2 is arranged on the silt removing assembly 1; the collecting assembly 3 is arranged at the bottom of the silt removing assembly 1; the pressing assembly 4 is installed at the left side of the silt removing assembly 1.

As shown in fig. 2, 3, and 4, the silt removing assembly 1 includes: a support frame 101, a silt removing sand cylinder 102 and a drilling fluid inlet pipe 103; two support frames 101 are provided, and four fixing holes 1011 are respectively formed in the two support frames 101; the desilting sand cylinder 102 is welded at the top of the two supporting frames 101, and seven micro holes 1021 for removing the desilting sand are formed in the bottom of the desilting sand cylinder 102; drilling fluid inlet pipe 103 welds on top of silt removing sand drum 102, and drive assembly 2 includes: a motor 201, a drive shaft 202, and a helical blade 203; the motor 201 is fixedly arranged on the right side of the silt removing sand cylinder 102; the drive shaft 202 is fixedly installed at the left side of the motor 201; the helical blades 203 are welded to the outside of the drive shaft 202, and the outer walls of the helical blades 203 are in contact with the silt removing sand drum 102, the collection assembly 3 comprising: a collection cap 301 and a drilling fluid drain 302; the collecting cover 301 is welded at the bottom of the silt removing sand drum 102; the drilling fluid drain pipe 302 is welded at the bottom of the collecting cover 301, and specifically functions as follows: because the bottom of the silt removing sand cylinder 102 is provided with seven silt removing micropores 1021, the silt in drilling fluid is filtered, and because the spiral blade 203 is welded outside the driving shaft 202, the outer wall of the spiral blade 203 is in contact with the silt removing sand cylinder 102, when the motor 201 works, filtered silt moves from right to left under the action of the spiral blade 203, meanwhile, the spiral blade 203 also has a scraping effect on the inner wall of the silt removing sand cylinder 102, and the blockage of the seven silt removing micropores 1021 is avoided.

Embodiment two: on the basis of the first embodiment, as shown in fig. 5, the pressing assembly 4 includes: elbow 401, locking lever 402 and mounting block one 403; the bent pipe 401 is connected with the left end of the silt removing sand cylinder 102 in a threaded manner; six locking rods 402 are arranged in total, and the six locking rods 402 are welded outside the bent pipe 401; two mounting blocks I403 are arranged in total, and the two mounting blocks I403 are welded on the front side and the rear side of the bent pipe 401; the pressing assembly 4 further includes: a guide shaft 404 and a second mounting block 405; the guide shafts 404 are provided in total, and the two guide shafts 404 are welded on the left side of the two mounting blocks one 403; two mounting blocks II 405 are provided, and the two mounting blocks II 405 are slidably mounted outside the two guide shafts 404; the pressing assembly 4 further includes: pressing the disc 406, the retainer 407 and the spring 408; the extrusion disc 406 is welded on the inner sides of the two second mounting blocks 405; two limit check rings 407 are arranged in total, and the two limit check rings 407 are welded outside the two guide shafts 404; the springs 408 are two in total, and the two springs 408 are mounted outside the two guide shafts 404, and the two springs 408 are located between the two mounting blocks two 405 and the two limit retainers 407, which specifically function as: because the extrusion disc 406 is welded on the inner side of the second mounting block 405, the two springs 408 are mounted on the outer sides of the two guide shafts 404, and the two springs 408 are positioned between the second mounting block 405 and the two limiting check rings 407, the extrusion effect on the mud sand in the drilling fluid is achieved, the residual drilling fluid in the mud sand is avoided, and the mud sand removing effect of the drilling fluid is improved.

When the utility model is used, firstly, a worker installs the two supporting frames 101 at proper positions through bolts, then connects the drilling fluid inlet pipe 103 with a drilling fluid pipeline, filters the mud sand in the drilling fluid through the seventh mud sand removing micropore 1021, when the motor 201 works, the filtered mud sand moves from right to left under the action of the spiral blade 203, meanwhile, the spiral blade 203 also plays a scraping role on the inner wall of the mud sand removing cylinder 102, plays an extrusion role on the mud sand in the drilling fluid, avoids the residual drilling fluid in the mud sand, and improves the mud sand removing effect of the drilling fluid.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims

1. A drilling fluid silt removing device comprises a silt removing assembly (1), a driving assembly (2), a collecting assembly (3) and an extruding assembly (4); the method is characterized in that: the driving assembly (2) is arranged on the silt removing assembly (1); the collecting assembly (3) is arranged at the bottom of the silt removing assembly (1); the extrusion assembly (4) is arranged at the left side of the silt removing assembly (1);

The silt removing assembly (1) comprises: the drilling fluid drilling device comprises a supporting frame (101), a mud and sand removing cylinder (102) and a drilling fluid inlet pipe (103); two support frames (101) are arranged in total, and a plurality of fixing holes (1011) are respectively formed in the two support frames (101); the mud-removing sand cylinder (102) is welded at the tops of the two supporting frames (101), and mud-removing sand micropores (1021) are formed in the bottom of the mud-removing sand cylinder (102); the drilling fluid inlet pipe (103) is welded at the top of the mud-removing sand cylinder (102).

2. The drilling fluid silt removing apparatus according to claim 1, wherein: the drive assembly (2) comprises: a motor (201), a drive shaft (202) and a helical blade (203); the motor (201) is fixedly arranged on the right side of the silt removing sand cylinder (102); the driving shaft (202) is fixedly arranged at the left side of the motor (201); the spiral blade (203) is welded outside the driving shaft (202), and the outer wall of the spiral blade (203) is in contact with the silt removing sand cylinder (102).

3. The drilling fluid silt removing apparatus according to claim 1, wherein: the collection assembly (3) comprises: a collection cap (301) and a drilling fluid drain (302); the collecting cover (301) is welded at the bottom of the silt removing sand cylinder (102); the drilling fluid drain pipe (302) is welded at the bottom of the collecting cover (301).

4. The drilling fluid silt removing apparatus according to claim 1, wherein: the pressing assembly (4) comprises: the pipe bending device comprises an elbow pipe (401), a locking rod (402) and a first mounting block (403); the bent pipe (401) is connected to the left end of the silt removing sand cylinder (102) in a threaded manner; a plurality of locking rods (402) are welded outside the bent pipe (401); two mounting blocks I (403) are arranged in total, and the two mounting blocks I (403) are welded on the front side and the rear side of the bent pipe (401).

5. The drilling fluid silt removing apparatus according to claim 4, wherein: the pressing assembly (4) further comprises: a guide shaft (404) and a second mounting block (405); two guide shafts (404) are arranged in total, and the two guide shafts (404) are welded on the left sides of the two first mounting blocks (403); two mounting blocks (405) are arranged in total, and the two mounting blocks (405) are slidably mounted outside the two guide shafts (404).

6. The drilling fluid silt removing apparatus according to claim 5, wherein: the pressing assembly (4) further comprises: the pressing disc (406), the limit retainer ring (407) and the spring (408); the extrusion disc (406) is welded on the inner sides of the two mounting blocks II (405); two limit check rings (407) are arranged in total, and the two limit check rings (407) are welded outside the two guide shafts (404); the two springs (408) are arranged in total, the two springs (408) are arranged outside the two guide shafts (404), and the springs (408) are arranged between the second mounting block (405) and the limiting retainer ring (407).