CN213574030U - Well drilling sand filtering and removing device for geothermal water well - Google Patents

Abstract

The utility model discloses a geothermal well drilling sand filtration sand removal device, including geothermal well, transportation subassembly and pneumatic nozzle, geothermal well top is connected with the sand control strainer, and the sand control strainer top is connected with the inlet pipe, hydrocyclone is installed to inlet pipe one end, the overflow mouth has been seted up at hydrocyclone top, and hydrocyclone external connection has the support frame, the hydrocyclone bottom is provided with the sand setting mouth, and is connected with the room of immersing bottom the sand setting mouth, it has observation glass to immerse room surface embedding. This geothermal water well drilling sand filtration desanding device passes through the solid-liquid separation of hydrocyclone with the aquatic for the grit deposits to the bottom, and sets up through mutually supporting between the pneumatic nozzle that the bottom set up and the trachea, connects outside pneumatic means with the trachea, thereby when sand setting mouth blockked up, discharges the grit that blocks up through pneumatic mode, thereby made things convenient for the cleaning process after the later stage blocks up, further promoted the device's desanding efficiency.

Description

Well drilling sand filtering and removing device for geothermal water well

Technical Field

The utility model relates to a geothermal water well sand filtration desanding technical field specifically is a geothermal water well drilling sand filtration desanding device.

Background

A geothermal well refers to a method and a device for generating electricity by using geothermal energy with a well depth of about 3500 meters or hot spring water with a water temperature of more than 30 ℃, a wellhead sand removing device and a geothermal well, wherein the sand content in water exceeds the national specified industrial water sand content standard due to geological and construction factors, so that the normal use of hot water is influenced. If geothermal water with high sand content is used for heating, the pipeline system can be blocked, so that sand removal measures should be taken for geothermal wells with sand content exceeding the standard.

The sand control strainer is generally combined with the hydrocyclone to complete the existing geothermal well, but the hydrocyclone can encounter the situation that a sand setting port is blocked in the sand production process, the sand removal work needs to be stopped at the moment, the sand setting port is cleared smoothly, the clearing process wastes time and labor, the sand removal efficiency is further influenced, and the sand filter and sand removal device for the geothermal well drilling is pushed out according to the situation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geothermal well drilling sand filtering and removing device to it generally accomplishes through sand control strainer and hydrocyclone combination formula to propose general geothermal well in solving above-mentioned background art, but hydrocyclone is at the in-process of going out sand, may meet the condition that the sand setting mouth is blockked up, and at this moment need stop the desanding work, and is unobstructed with the clearance of sand setting mouth, and the clearance process is wasted time and energy, still influences the problem of desanding efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a geothermal well drilling sand filtration sand removal device, includes geothermal well, transportation subassembly and pneumatic nozzle, geothermal well top is connected with the sand control strainer, and sand control strainer top is connected with the inlet pipe, hydrocyclone is installed to inlet pipe one end, the overflow mouth has been seted up at the hydrocyclone top, and the hydrocyclone external connection has the support frame, the hydrocyclone bottom is provided with sand setting mouth, and sand setting mouth bottom is connected with and immerses the room, it has observation glass to immerse room surface embedding, and immerse indoor portion and be provided with the metal grid, immerse the room bottom and be connected with the discharging pipe, and discharging pipe surface mounting has the valve, transportation subassembly is installed in the discharging pipe bottom, and transportation subassembly internally mounted has the pivot, the pivot fixed surface has the auger, and the pivot other end installs servo motor, pneumatic nozzle installs in the hydrocyclone bottom, and one end of the pneumatic nozzle is connected with an air pipe.

Preferably, the support frame is fixedly connected with the hydrocyclone, and the support frame is distributed in a triangular shape.

Preferably, the immersion chamber is hermetically connected with the sand settling port, and the immersion chamber is cylindrical.

Preferably, the immersion chamber is communicated with the transportation assembly through the discharge pipe and the valve, and the transportation assembly is vertically distributed with the immersion chamber.

Preferably, the packing auger forms revolution mechanic through pivot and servo motor between, and transport subassembly, packing auger and pivot are in same axis.

Preferably, the pneumatic nozzles are distributed in a left-right symmetrical mode about the vertical center line of the hydrocyclone, and the pneumatic nozzles are bent.

Compared with the prior art, the beneficial effects of the utility model are that: this geothermal well drilling sand filtration sand removal device passes through the setting of sand control strainer for can be effectual with the isolated condition that reaches the prefilter of grit of geothermal well inner wall, further through immersing indoor portion's metal grating, filter great grit and leave, make tiny grit discharge recycle, thereby promoted the device's practicality.

This geothermal water well drilling sand filtration sand removal device through the solid-liquid separation of hydrocyclone with the aquatic for the grit deposits to the bottom, and sets up through mutually supporting between the pneumatic nozzle that the bottom set up and the trachea, connects outside pneumatic means with the trachea, thereby when sand setting mouth blocks up, discharges the grit that blocks up through pneumatic mode, thereby has made things convenient for the cleaning process after the later stage blocks up, has further promoted the device's sand removal efficiency.

This geothermal water well drilling sand filtration sand removal device sets up through mutually supporting between inside pivot of transportation subassembly, auger and the servo motor for can transport the grit after deposiing to the processing region, can enough make discharged grit discharge at will, can also promote the recycling of grit, thereby make resource cycle, promote the device's feature of environmental protection.

Drawings

FIG. 1 is a schematic view of the front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is the interior structure diagram of the immersion chamber of the present invention.

In the figure: 1. a geothermal well; 2. a transport assembly; 3. a sand-proof water filter pipe; 4. a feed pipe; 5. a hydrocyclone; 6. an overflow port; 7. a support frame; 8. a sand setting port; 9. an immersion chamber; 10. a metal grid; 11. a discharge pipe; 12. a valve; 13. a rotating shaft; 14. a packing auger; 15. a servo motor; 16. a pneumatic nozzle; 17. an air tube; 18. the glass was observed.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sand filtering and removing device for a geothermal well drilling well comprises a geothermal well 1, a transportation assembly 2 and a pneumatic nozzle 16, wherein the top of the geothermal well 1 is connected with a sand prevention water filter pipe 3, the top of the sand prevention water filter pipe 3 is connected with a feeding pipe 4, one end of the feeding pipe 4 is provided with a hydrocyclone 5, the top of the hydrocyclone 5 is provided with an overflow port 6, the outside of the hydrocyclone 5 is connected with a support frame 7, the support frame 7 is fixedly connected with the hydrocyclone 5, the support frame 7 is distributed in a triangular shape, and the hydrocyclone 5 is more stable in working through the mutual matching arrangement between the hydrocyclone 5 and the support frame 7;

the bottom of the hydrocyclone 5 is provided with a sand setting port 8, the bottom of the sand setting port 8 is connected with an immersion chamber 9, the immersion chamber 9 is hermetically connected with the sand setting port 8, the immersion chamber 9 is cylindrical, and sand and stones are precipitated to the sand setting port 8 and flow into the immersion chamber 9 through the work of the hydrocyclone 5 through the mutually matched arrangement of the immersion chamber 9 and the hydrocyclone 5, so that secondary collection and discharge are avoided, and the work efficiency of operators is reduced;

the surface of the immersion chamber 9 is embedded with observation glass 18, the immersion chamber 9 is internally provided with a metal grid 10, the bottom of the immersion chamber 9 is connected with a discharge pipe 11, the surface of the discharge pipe 11 is provided with a valve 12, the immersion chamber 9 is provided with a communicating structure through the discharge pipe 11, the valve 12 and the transport assembly 2 are vertically distributed between the transport assembly 2 and the immersion chamber 9, the sand prevention filter pipe 3 is arranged to effectively isolate sand and stones on the inner wall of the geothermal well 1 to achieve the condition of primary filtration, and further, the metal grid 10 in the immersion chamber 9 is used for filtering and leaving larger sand and stones, so that the small sand and stones are discharged and reused, thereby improving the practicability of the device;

the transportation assembly 2 is arranged at the bottom of the discharge pipe 11, a rotating shaft 13 is arranged inside the transportation assembly 2, an auger 14 is fixed on the surface of the rotating shaft 13, a servo motor 15 is arranged at the other end of the rotating shaft 13, the auger 14 forms a rotating structure with the servo motor 15 through the rotating shaft 13, the transportation assembly 2, the auger 14 and the rotating shaft 13 are positioned on the same axis, and through the rotating shaft 13 inside the transportation assembly 2 and the mutually matched arrangement between the auger 14 and the servo motor 15, the settled gravel can be transported to a processing area, not only can the discharged gravel be discharged randomly, but also the recycling of the gravel can be promoted, so that the resources are circulated, and the environmental protection performance of the device is improved;

pneumatic nozzle 16 installs in hydrocyclone 5 bottom, and pneumatic nozzle 16 one end is connected with trachea 17, pneumatic nozzle 16 is bilateral symmetry about hydrocyclone 5's vertical central line and distributes, and pneumatic nozzle 16 is crooked form, set up through mutually supporting between pneumatic nozzle 16 that hydrocyclone 5 bottom set up and trachea 17, connect outside pneumatic equipment with trachea 17, thereby when sand setting mouth 8 blocks up, discharge the grit that blocks up through pneumatic mode, thereby made things convenient for the cleaning process after the later stage blocks up, the desanding efficiency of the device has further been promoted, and crooked pneumatic nozzle 16 also can effectually avoid being blockked up by the grit.

The working principle is as follows: when the sand filtering and removing device for the geothermal well drilling is used, firstly, the water in the geothermal well 1 is pumped into the hydraulic cyclone 5 by external pump equipment, the sand and stone on the inner wall of the geothermal well 1 can be effectively isolated to achieve the condition of primary filtering by the arrangement of the sand-preventing water filtering pipe 3, then the hydraulic cyclone 5 is opened, the water in the geothermal well is separated from the sand and stone by the work of the hydraulic cyclone 5, so that the water is discharged from the overflow port 6 above, the heavier sand and stone are discharged through the sand settling port 8 at the bottom, the air pipe 17 is connected with external pneumatic equipment by the mutually matched arrangement between the pneumatic nozzle 16 arranged at the bottom of the hydraulic cyclone 5 and the air pipe 17, so that when the sand settling port 8 is blocked, the blocked sand and stone are discharged in a pneumatic mode, the cleaning process after the later-stage blocking is facilitated, the sand removing efficiency of the device is further improved, and the bent pneumatic nozzle 16 can also effectively avoid the blocking, then the grit gets into and immerses in the room 9, avoid the secondary to collect the emission, operation personnel's work efficiency has been reduced, metal grating 10 through inside will great grit filter and leave, make tiny grit discharge recycle, thereby the device's practicality has been promoted, and the observation glass 18 on surface can direct observation to the inside condition, open valve 12 at last and make its grit get into transportation assembly 2, open servo motor 15 simultaneously, make and drive pivot 13 and auger 14, carry inside grit to suitable region, can enough make the grit of discharging discharge not discharge at will, thereby make the resource cycle, promote the device's feature of environmental protection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a geothermal well drilling sand filtration sand removal device, includes geothermal well (1), transportation subassembly (2) and pneumatic nozzle (16), its characterized in that: the top of the geothermal well (1) is connected with a sand control water filter pipe (3), the top of the sand control water filter pipe (3) is connected with a feeding pipe (4), one end of the feeding pipe (4) is provided with a hydrocyclone (5), the top of the hydrocyclone (5) is provided with an overflow port (6), the outside of the hydrocyclone (5) is connected with a supporting frame (7), the bottom of the hydrocyclone (5) is provided with a sand setting port (8), the bottom of the sand setting port (8) is connected with an immersion chamber (9), the surface of the immersion chamber (9) is embedded with observation glass (18), the immersion chamber (9) is internally provided with a metal grating (10), the bottom of the immersion chamber (9) is connected with a discharging pipe (11), the surface of the discharging pipe (11) is provided with a valve (12), the transportation assembly (2) is arranged at the bottom of the discharging pipe (11), and the inside of the transportation assembly, pivot (13) fixed surface has auger (14), and servo motor (15) are installed to pivot (13) other end, pneumatic nozzle (16) are installed in hydrocyclone (5) bottom, and pneumatic nozzle (16) one end is connected with trachea (17).

2. The sand filtering and removing device for the geothermal well drilling according to claim 1, wherein: the support frame (7) is fixedly connected with the hydraulic cyclone (5), and the support frame (7) is distributed in a triangular shape.

3. The sand filtering and removing device for the geothermal well drilling according to claim 1, wherein: the immersion chamber (9) is hermetically connected with the sand setting port (8), and the immersion chamber (9) is cylindrical.

4. The sand filtering and removing device for the geothermal well drilling according to claim 1, wherein: immerse room (9) and pass through between discharging pipe (11), valve (12) and the transport assembly (2) and constitute the form structure that communicates, and be vertical distribution between transport assembly (2) and the room (9) of immersing.

5. The sand filtering and removing device for the geothermal well drilling according to claim 1, wherein: the packing auger (14) forms a rotating structure through the rotating shaft (13) and the servo motor (15), and the transportation assembly (2), the packing auger (14) and the rotating shaft (13) are positioned on the same axis.

6. The sand filtering and removing device for the geothermal well drilling according to claim 1, wherein: the pneumatic nozzles (16) are distributed in bilateral symmetry about the vertical center line of the hydrocyclone (5), and the pneumatic nozzles (16) are curved.

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