CN219587722U - Underground water monitoring well slurry mixing and hole cleaning double-pump device - Google Patents

Abstract

The utility model discloses a slurry mixing and hole cleaning double-pump device for an underground water monitoring well, and relates to the technical field of underground water monitoring well construction. The underground water monitoring well slurry mixing and hole cleaning double-pump device comprises a drilling hole, wherein a sedimentation pipe is inserted in the drilling hole, a water filtering component is fixedly arranged at the top thread of the sedimentation pipe, and a well pipe is fixedly arranged at the top thread of the water filtering component. Compared with the traditional single pump process, the double pump structure omits a drill rod with a lower piston, the double pump structure directly adopts the tee joint to directly connect the 850 pump and the 250 pump to the well pipe through the tee joint, so that the hole cleaning time is obviously shortened, the sediment in the hole can be quickly cleaned, the construction period is greatly shortened, the cost is reduced, large particles in the drill hole can be collected by installing the water filtering component, meanwhile, the assembly and disassembly of the collection block are facilitated by arranging the collection block and the outer pipe, the cleaning of the large particles on the surface of the collection block is facilitated, and the practicability is enhanced.

Description

Underground water monitoring well slurry mixing and hole cleaning double-pump device

Technical Field

The utility model relates to the technical field of underground water monitoring well construction, in particular to a slurry mixing and hole cleaning double-pump device for an underground water monitoring well.

Background

In order to timely obtain relevant data of underground water, a well is usually drilled in a prediction area, relevant equipment is arranged at the well mouth, relevant sensors are arranged underground, the measured relevant data are transmitted by people or through wireless communication, and a protection box is usually arranged at the well mouth for protecting the relevant equipment.

The underground water monitoring well is the most important link in the well-forming construction process, the purpose of the first time of size mixing and hole cleaning is to enable a monitoring well pipe to be smoothly installed in place, and the purpose of the second time of size mixing and hole cleaning is to thoroughly remove sediment in the hole and accurately determine the gravel filling position. The diameter of the monitoring well pipe is 42mm, 73mm, 89mm, 108mm, 127mm, 146mm, 168mm, 273mm and 325mm, a single pump is usually adopted to put a drill rod with a piston into the well pipe to a position 1m above the bottom of the water filtering component (see figure 3), the second slurry mixing and hole cleaning are carried out, 800mm is needed for the large diameter of the monitoring well with the diameter of the phi 273mm and the diameter of the phi 325mm, the single pump hole cleaning time is longer in the secondary slurry mixing process, the sediment is not easy to clean, the collapse hole is easy to be caused, larger granular sediment exists in the well, if the large granular sediment is directly sucked into the pump, the pump body is easy to damage, if the large granular sediment is not cleaned, the large granular sediment is deposited in the well, the well cannot be cleaned completely, and the practicability is poor.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double pump device for mixing and clearing holes of a groundwater monitoring well, which solves the problems that the single pump is used for longer hole clearing time in the secondary slurry mixing process, sediment is not easy to clear and is easy to cause hole collapse, sediment with larger particles exists in the well, if the sediment with larger particles is directly sucked into the pump, the pump body is easy to damage, if the sediment with larger particles is not cleaned, the sediment with larger particles is deposited in the well, the well cannot be cleaned completely, and the practicability is poor.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a two pump devices of groundwater monitoring well size mixing clear hole, includes the drilling, peg graft in the inside of drilling has the sedimentation tube, the top screw thread fixed mounting of sedimentation tube has drainage subassembly, the top screw thread fixed mounting of drainage subassembly has the well pipe, the top fixedly connected with drilling rod of well pipe, the top fixed mounting of drilling rod has tee bend water pipe joint one, one of them output fixed mounting of tee bend water pipe joint one has the pump, another output fixed connection of tee bend water pipe joint one has the connecting pipe, the top fixed mounting of connecting pipe has tee bend water pipe joint two, one of them output fixed mounting of tee bend water pipe joint two has the pump;

the utility model discloses a filter assembly, including laminating at the outer tube at sedimentation tube top, the inside fixedly connected with solid fixed ring of outer tube, gu the upper surface laminating of fixed ring has the filter screen, and the top laminating of filter screen has the clamping ring, and the surface screw thread of clamping ring rotates the inner wall of connecting at the outer tube, and the locating screw thread has been seted up to the inner wall bottom of outer tube, and the inside meshing of locating screw thread is connected with the collection piece, and the filter vat has been seted up in the surface equidistance of collection piece, and the change groove has been seted up to the bottom of collection piece, the inner wall fixedly connected with rotor plate of change groove.

Preferably, the outer diameters of the sedimentation tube, the outer tube and the well tube are equal, and the sedimentation tube, the water filtering assembly and the interior of the well tube are all communicated with each other.

Preferably, the surface of the positioning thread is arc-shaped, and the inside of the outer tube is communicated with the inside of the sedimentation tube through the positioning thread.

Preferably, the end of the sedimentation tube is not connected to the inner bottom end of the borehole.

Preferably, the tail end of the sedimentation pipe is communicated with the inside of the drill hole, and a water passing hole matched with the inner diameter of the drill rod is formed in the top of the well pipe.

Advantageous effects

The utility model provides a double pump device for mixing slurry and cleaning holes of a ground water monitoring well. Compared with the prior art, the method has the following beneficial effects:

1. according to the underground water monitoring well slurry mixing and hole cleaning double-pump device, compared with a traditional single-pump process, a drill rod with a piston is omitted, 850 pumps and 250 pumps are directly connected to a well pipe through a tee joint by adopting the double-pump structure, so that the hole cleaning time is obviously shortened, sediment in holes is relatively quickly removed, the construction period is greatly shortened, and the cost is reduced;

2. this clear hole double pump device of groundwater monitoring well size mixing through installation drainage subassembly, can collect the inside large granule thing of drilling, simultaneously through setting up the mode of collection thing piece and outer tube equipment, be convenient for carry out the dismouting to collection thing piece, be convenient for clear up the large granule on collection thing piece surface, strengthened the practicality.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a water filter assembly according to the present utility model

Fig. 3 is a schematic diagram of a single pump structure underground water monitoring well slurry mixing and hole cleaning structure.

In the figure: 1. drilling holes; 2. a precipitation tube; 3. a water filtering component; 31. an outer tube; 32. a fixing ring; 33. a filter screen; 34. a compression ring; 35. positioning threads; 36. a collection block; 37. a filter tank; 38. a rotary groove; 39. a rotating plate; 4. a well pipe; 5. a drill rod; 6. a tee joint I; 7. 850 pump; 8. a connecting pipe; 9. a tee joint II; 10. 250 pump; 21. and (3) a piston.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a two pump devices of groundwater monitoring well size mixing clear hole, including drilling 1, the inside grafting of drilling 1 has sedimentation tube 2, sedimentation tube 2's end is not connected with drilling 1's inside bottom, sedimentation tube 2's end is linked together with drilling 1's inside, sedimentation tube 2's top screw thread fixed mounting has drainage subassembly 3, drainage subassembly 3's top screw thread fixed mounting has well pipe 4, well pipe 4's top fixedly connected with drilling rod 5, drilling pipe 4's top has seted up the water hole with drilling rod 5 internal diameter assorted, drilling rod 5's top fixed mounting has tee bend water pipe joint one 6, tee bend water pipe joint one 6's one of them output fixed mounting has 850 pump 7, tee bend water pipe joint one 6's another output fixedly connected with connecting pipe 8, the top of the connecting pipe 8 is fixedly provided with the three-way water pipe joint II 9, one output end of the three-way water pipe joint II 9 is fixedly provided with the 250 pump 10, compared with the traditional single-pump process, the drill pipe with a piston is omitted, the three-way water pipe joint I6 and the three-way water pipe joint II 9 are directly used for directly connecting the 850 pump 7 and the 250 pump 10 to the drill pipe 5, the double-pump structure obviously shortens the hole cleaning time, removes sediment in the drill hole 1 relatively quickly, greatly shortens the construction period, reduces the cost, and avoids the defect of easy hole collapse as much as possible when sediment is quickly removed during construction, thereby enhancing the practicability;

the water filtering assembly 3 comprises an outer tube 31 attached to the top of the sedimentation tube 2, a fixed ring 32 is fixedly connected to the inside of the outer tube 31, a filter screen 33 is attached to the upper surface of the fixed ring 32, a compression ring 34 is attached to the top of the filter screen 33, threads on the outer surface of the compression ring 34 are rotationally connected to the inner wall of the outer tube 31, positioning threads 35 are formed in the bottom end of the inner wall of the outer tube 31, the surfaces of the positioning threads 35 are arc-shaped, the inside of the outer tube 31 is communicated with the inside of the sedimentation tube 2 through the positioning threads 35, a collection block 36 is connected to the inside of the positioning threads 35 in a meshed mode, filter grooves 37 are formed in the equidistant running through of the surfaces of the collection block 36, a rotary groove 38 is formed in the bottom of the collection block 36, a rotary plate 39 is fixedly connected to the inner wall of the rotary groove 38, large particles inside the drill hole 1 can be collected through installation of the water filtering assembly 3, meanwhile, the collection block 36 is convenient to disassemble and assemble and disassemble, so that large particles on the surface of the collection block 36 are cleaned, and practicability is improved;

the outer diameters of the sedimentation tube 2, the outer tube 31 and the well tube 4 are equal, and the interiors of the sedimentation tube 2, the water filtering component 3 and the well tube 4 are mutually communicated, and the friction force between the outer surfaces of the sedimentation tube 2, the outer tube 31 and the well tube 4 and the inner wall of the borehole 1 can be reduced due to the equal outer diameters of the sedimentation tube 2, the outer tube 31 and the well tube 4.

During operation, the sedimentation pipe 2 is slowly placed into the drill hole 1, the 850 pump 7 and the 250 pump 10 are installed through the first tee joint water pipe joint 6, the connecting pipe 8 and the second tee joint water pipe joint 9, then the 850 pump 7 and the 250 pump 10 are started, sediment in the drill hole 1 enters the well pipe 4 through the sedimentation pipe 2, then enters the first tee joint water pipe joint 6, the connecting pipe 8 and the second tee joint water pipe joint 9 through the drill pipe 5, finally the sediment in the drill hole 1 is discharged through the 850 pump 7 and the 250 pump 10, compared with the traditional single-pump technology, the drill pipe with a piston is omitted, the 850 pump 7 and the 250 pump 10 are directly connected to the drill pipe 5 through the first tee joint water pipe joint 6 and the second tee joint water pipe joint 9, the clearing time is obviously shortened through the double-pump structure, the sediment in the drill hole 1 is cleared relatively quickly, the construction period is greatly shortened, the cost is reduced, when in construction, small particles at the bottom end inside the drilling hole 1 can directly pass through the filter screen 33, large particle sundries can be blocked by the fixed ring 32 and then fall on the surface of the collector block 36, after the construction is completed, the sedimentation pipe 2 and the outer pipe 31 are separated by rotation, then the collector block 36 is driven to rotate by the rotating plate 39, the collector block 36 can be taken down, then the large particles accumulated on the surface of the collector block 36 are poured out, the accumulated water on the surface of the outer pipe 31 can drop through the filter groove 37 in the rising process, finally, only the large particles are left on the surface of the positioning screw thread 35, the large particles inside the drilling hole 1 can be collected by installing the water filtering component 3, meanwhile, the collector block 36 is conveniently disassembled by arranging the assembly mode of the collector block 36 and the outer pipe 31, the large particles on the surface of the collector block 36 are conveniently cleaned, the practicability is enhanced.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (5)

1. The utility model provides a clear hole double pump device of groundwater monitoring well size mixing, includes drilling (1), its characterized in that: the inside of the drilling hole (1) is inserted with a sedimentation pipe (2), the top thread of the sedimentation pipe (2) is fixedly provided with a water filtering component (3), the top thread of the water filtering component (3) is fixedly provided with a well pipe (4), the top of the well pipe (4) is fixedly connected with a drill rod (5), the top of the drill rod (5) is fixedly provided with a three-way water pipe joint I (6), one output end of the first tee joint (6) is fixedly provided with a 850 pump (7), the other output end of the first tee joint (6) is fixedly connected with a connecting pipe (8), the top of the connecting pipe (8) is fixedly provided with a second tee joint (9), and one output end of the second tee joint (9) is fixedly provided with a 250 pump (10);

the utility model provides a drainage subassembly (3) is including laminating outer tube (31) at sedimentation tube (2) top, the inside fixedly connected with solid fixed ring (32) of outer tube (31), gu the upper surface laminating of fixed ring (32) has filter screen (33), the top laminating of filter screen (33) has clamping ring (34), the inner wall at outer tube (31) is connected in the surface screw thread rotation of clamping ring (34), locating screw thread (35) have been seted up to the inner wall bottom of outer tube (31), the inside meshing of locating screw thread (35) is connected with collection piece (36), filter vat (37) have been seted up in the surface equidistance penetration of collection piece (36), change groove (38) have been seted up to the bottom of collection piece (36), the inner wall fixedly connected with rotor plate (39) of change groove (38).

2. The dual pump device for regulating and cleaning slurry holes of a groundwater monitoring well according to claim 1, wherein: the outer diameters of the sedimentation tube (2), the outer tube (31) and the well tube (4) are equal, and the sedimentation tube (2), the water filtering component (3) and the interior of the well tube (4) are mutually communicated.

3. The dual pump device for regulating and cleaning slurry holes of a groundwater monitoring well according to claim 1, wherein: the surface of the positioning thread (35) is arc-shaped, and the inside of the outer tube (31) is communicated with the inside of the sedimentation tube (2) through the positioning thread (35).

4. The dual pump device for regulating and cleaning slurry holes of a groundwater monitoring well according to claim 1, wherein: the tail end of the sedimentation pipe (2) is not connected with the inner bottom end of the drilling hole (1).

5. The dual pump device for regulating and cleaning slurry holes of a groundwater monitoring well according to claim 1, wherein: the tail end of the sedimentation pipe (2) is communicated with the inside of the drilling hole (1), and a water passing hole matched with the inner diameter of the drill rod (5) is formed in the top of the well pipe (4).