CN-224214137-U - Wall protection mud circulation device for drilling

Abstract

The utility model discloses a wall protection mud circulation device for drilling, which belongs to the technical field of mud circulation treatment and comprises a filtering assembly, a discharging assembly, a first filter screen and a second filter screen, wherein the filtering assembly comprises a first filter box, a flow guide box is connected to the lower part of the first filter box, a second filter box is connected to the lower part of the flow guide box, the discharging assembly is symmetrically distributed on two sides of the first filter box and the second filter box and used for discharging filtered impurities, the first filter screen is fixedly connected to the inner wall of the first filter box, and the second filter screen is fixedly connected to the inner wall of the second filter box. Through the setting of the filter screen that can lead, realize the filtration treatment to mud, the direction buffering of cooperation guide plate and collecting plate for mud fully filters, thereby gets rid of the impurity in the mud effectively, improves the high efficiency of mud cyclic utilization.

Inventors

• HU FANGNAN
• FAN FAN
• XU LE
• WANG PENG
• XU XIANGYANG
• NAN JINGANG
• LIU WENLONG
• ZHU HAORAN
• YANG KAI
• ZHU YINGTAO
• WU TAO
• Guan Wangliang
• CHEN WENCAI
• ZHANG HAIYAN
• WU YIFAN
• HOU YIHONG
• SU PING
• WANG LIGUO
• YANG BO
• QI HONGYU
• Mei Xiaoge
• WANG XIAOFENG
• JI GUOHUA
• REN FENGXIANG

Assignees

• 中交第二航务工程局有限公司

Dates

Publication Date

20260508

Application Date

20250812

Claims (7)

1. 1. The wall protection mud circulation device for drilling is characterized by comprising a filter assembly (1), wherein the filter assembly (1) comprises a first filter box (12), a guide box (13) is connected below the first filter box (12), and a second filter box (14) is connected below the guide box (13); The discharging components (2) are symmetrically distributed on two sides of the first filtering box (12) and the second filtering box (14), and the discharging components (2) are used for discharging filtered impurities; First filter screen (4) and second filter screen (5), first filter screen (4) fixed connection is at the inner wall of first rose box (12), second filter screen (5) fixed connection is at the inner wall of second rose box (14), and all fixedly connected with baffle (6) in the top both sides of first filter screen (4) and second filter screen (5), first filter screen (4) and second filter screen (5) are used for the hierarchical filtration of mud.
2. 2. The wall protection mud circulation device for drilling is characterized in that supporting legs (11) are fixedly connected to corners of the first filter tank (12) and the second filter tank (14), a feeding pipe (16) is fixedly connected to the center of the top of each supporting leg (11), and a discharging pipe (15) is fixedly connected to the outer side of the bottom of the second filter tank (14).
3. 3. The dado mud circulation device for drilling is characterized in that the discharging component (2) comprises a conveying pipe (21), the conveying pipe (21) is fixedly connected to two sides of the first filtering box (12) and the second filtering box (14), one end of the conveying pipe (21) is fixedly connected with a servo motor (22), the output end of the servo motor (22) is fixedly connected with a packing auger (23), two ends of the packing auger (23) are rotatably connected to the inside of the conveying pipe (21) through bearings, and a discharging pipe (24) is arranged at the bottom of one end of the conveying pipe (21).
4. 4. The wall protection mud circulation device for drilling is characterized in that four groups of the discharging assemblies (2) are arranged in total, synchronous belt transmission mechanisms (3) are connected between the two groups of the discharging assemblies (2) in a symmetrical mode, two ends of each synchronous belt transmission mechanism (3) are respectively connected with a shaft body of an auger (23), and the synchronous belt transmission mechanisms (3) are used for synchronous transmission of the two groups of the discharging assemblies (2).
5. 5. The wall-protecting mud circulation device for drilling is characterized in that the lowest parts of the first filter tank (12) and the second filter tank (14) corresponding to the first filter screen (4) and the second filter screen (5) are provided with discharge ports, and the discharge ports are fixedly connected with a feed inlet of a feed conveying pipe (21).
6. 6. The wall-protecting mud circulation device for drilling of claim 1, wherein the cross sections of the first filter screen (4) and the second filter screen (5) are of inverted V-shaped structures, and the aperture of the first filter screen (4) is larger than that of the second filter screen (5).
7. 7. The wall protection mud circulation device for drilling is characterized in that guide plates (61) and collecting plates (62) are fixedly connected to two sides of the upper surfaces of the first filter screen (4) and the second filter screen (5), the collecting plates (62) are symmetrically distributed on two sides of the guide plates (61), two collecting plates (62) are arranged on two sides of each guide plate (61), and the guide plates (61) are of symmetrical obtuse angle structures.

Description

Wall protection mud circulation device for drilling Technical Field The utility model relates to the technical field of mud circulation treatment, in particular to a wall protection mud circulation device for drilling. Background The drilling mud is a mixed slurry composed of water, bentonite, additives and the like, and in the construction process of the drilling pile, when the mud circulates, the pressure difference between the mud and underground water is utilized to control the water pressure, so that the mud can form mud skin on the hole wall to strengthen the hole wall and prevent collapse, meanwhile, the water level in the hole is stabilized, meanwhile, the mud also has the functions of taking out rock and soil fragments, cooling and lubricating a drill bit, and the mud circulating device comprises filtering equipment for filtering impurities ‌ on the circulated mud. Through investigation, the utility model patent discloses a mud circulation processing device (publication number: CN 217809150U), which comprises a bottom plate, the top fixedly connected with of bottom plate is two supporting shoe, two the top fixedly connected with box of supporting shoe, the top of bottom plate is provided with stop gear, the top of bottom plate is provided with adjusting part, stop gear includes the rose box with bottom plate top fixed connection, the left and right sides of rose box inner wall all fixedly connected with stopper, two the top of stopper is provided with the first filter, the right side fixedly connected with cabin body of rose box. This mud circulation processing apparatus through setting up stop gear, makes processing apparatus possess spacing function, reaches the effect that carries out spacing to a filter to the person of facilitating the use installs and dismantles a filter, has improved work efficiency, has made things convenient for the use of user, has increased processing apparatus's practicality. Above-mentioned patent carries out filtration treatment through two unidimensional filter to mud, gets rid of the impurity in the mud, improves the cyclic utilization quality of mud, but the impurity after its filtration can't carry out fast filtration and collect and discharge to influence the continuous filtration treatment of mud, be inconvenient for the long-time cyclic utilization of equipment, the filter surface can lead to the residue of a large amount of filters, thereby reduces its subsequent filter effect. Accordingly, the present utility model provides a wall protection mud circulation device for drilling to solve the above problems. Disclosure of utility model (One) solving the technical problems The utility model provides a wall protection mud circulation device for drilling, and aims to solve the problems in the background art. (II) technical scheme In order to achieve the purpose, the utility model provides the technical scheme that the wall protection mud circulation device for drilling comprises a filter assembly, wherein the filter assembly comprises a first filter box, a guide box is connected below the first filter box, and a second filter box is connected below the guide box; The discharging components are symmetrically distributed on two sides of the first filtering box and the second filtering box and are used for discharging filtered impurities; The first filter screen and second filter screen, first filter screen fixed connection is at the inner wall of first rose box, second filter screen fixed connection is at the inner wall of second rose box, and the top both sides of first filter screen and second filter screen are all fixedly connected with baffle, first filter screen and second filter screen are used for the hierarchical filtration of mud. As an optimal technical scheme of the application, the corners of the first filter tank and the second filter tank are fixedly connected with supporting legs, the centers of the tops of the supporting legs are fixedly connected with feeding pipes, and the outer sides of the bottoms of the second filter tank are fixedly connected with discharging pipes. As a preferable technical scheme of the application, the discharging assembly comprises a conveying pipe, the conveying pipe is fixedly connected to two sides of the first filtering box and the second filtering box, one end of the conveying pipe is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a packing auger, two ends of the packing auger are rotatably connected in the conveying pipe through bearings, and a discharging pipe is arranged at the bottom of one end of the conveying pipe. As a preferable technical scheme of the application, four groups of the discharging assemblies are arranged in total, synchronous belt transmission mechanisms are connected between two groups of the discharging assemblies which are symmetrically distributed, two ends of each synchronous belt transmission mechanism are respectively connected with a shaft