CN209875089U

CN209875089U - Sand remover for geothermal drilling

Info

Publication number: CN209875089U
Application number: CN201920764732.6U
Authority: CN
Inventors: 张晖; 黄兴龙; 窦凤珂; 石相军; 马明永; 杨其栋; 兰志勤; 杨楠
Original assignee: Coal Field Geology Planning Complex Investigation Institute Of Shandong Province
Current assignee: Coal Field Geology Planning Complex Investigation Institute Of Shandong Province
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2019-12-31
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a sand remover for geothermal drilling, which comprises a rotational flow sand removing component, a cooling component, a stirring component and a heat exchange component, wherein the cooling component comprises a cooling box, a cooling box supporting leg, a discharge port and a thermometer; through setting up the coiled pipe in the inside of cooler bin, heat absorbing medium is filled in the inside of coiled pipe, make the coiled pipe carry out cooling treatment to the mud in the cooler bin, reach the purpose that promotes cooling efficiency, and set up heat medium exit tube and heat medium admission pipe respectively through the both ends at the coiled pipe, heat medium exit tube and heat medium admission pipe connection heat exchanger, and set up the cooling water at the refrigerant end of heat exchanger, make heat absorbing medium cool off through the heat exchanger, the cooling water heats through the heat exchanger, reach the purpose of carrying out the recovery to the heat.

Description

Sand remover for geothermal drilling

Technical Field

The utility model relates to a geothermal drilling desanding technical field specifically is a geothermal drilling is with desander.

Background

Geothermal well drilling 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 ℃, and is generally divided into three types, namely high temperature, medium temperature and low temperature. In the process of geothermal drilling, the main effect of mud is to keep the hole bottom clean, and maintain the pore wall stable, vibration desander and whirl desander must be furnished with in the scene, improve the quality of mud and in time replace the waste slurry, current desander is through setting up the condenser pipe in mud exit tube department, cool off mud through the cooling water, but because the velocity of flow of mud exit tube is higher, thereby cause the contact time of cooling water and mud to be shorter, lead to the cooling efficiency low, and do not possess and retrieve the reuse to the refrigerated heat, for this reason, provide a geothermal drilling is with desander.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geothermal drilling is with desander to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a geothermal drilling is with desander, includes whirl desanding subassembly, cooling module, stirring subassembly and heat exchange assemblies, cooling module includes cooler bin, cooler bin supporting leg, discharge port, row's entry and thermometer, the bottom fixedly connected with of cooler bin the cooler bin supporting leg, the lateral wall of cooler bin is equipped with respectively the discharge port with row's entry, the top fixedly connected with of cooler bin the thermometer, heat exchange assemblies includes coiled pipe, heat medium exit tube, heat medium admission pipe and heat exchanger, the inside fixedly connected with of cooler bin the coiled pipe, the one end of coiled pipe is equipped with the heat medium exit tube, its other end are equipped with the heat medium admission pipe, the heat medium exit tube with the heat medium admission pipe respectively with the admission end and the heat medium exit end of heat exchanger are connected.

As further preferable in the present technical solution: the cyclone desanding assembly comprises a cyclone box, cyclone box supporting legs, a sand unloading valve, a slurry inlet, a slurry outlet, a transmission pipe and a transmission pump, wherein the cyclone box supporting legs are arranged on the outer side wall of the cyclone box, the sand unloading valve is arranged at the bottom of the cyclone box, the slurry inlet is arranged on the outer side wall of the cyclone box, the slurry outlet is fixedly connected to the top of the cyclone box, the transmission pipe is arranged at one end of the transmission pipe, and the transmission pump is arranged at one end of the transmission pipe.

As further preferable in the present technical solution: the stirring assembly comprises a stirring motor, a reduction gearbox, a stirring shaft and stirring blades, an output shaft of the stirring motor is fixedly connected with an input shaft of the reduction gearbox, the output shaft of the reduction gearbox is fixedly connected with the stirring shaft, and the stirring blades are arranged on the outer side wall of the stirring shaft.

As further preferable in the present technical solution: and a blade fixing block is arranged at the joint of the stirring blade and the stirring shaft.

As further preferable in the present technical solution: one end of the heat medium outlet pipe is provided with a circulating pump, and one end of the heat medium inlet pipe is provided with a one-way valve.

As further preferable in the present technical solution: and the refrigerant inlet end and the refrigerant outlet end of the heat exchanger are respectively connected with a cold water inlet pipe and a cold water outlet pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an exit end installation transmission pipe at the whirl case, the one end of transmission pipe sets up the transmission pump, make the transmission pump pass through in the transmission pipe with mud suction cooler bin, set up the coiled pipe through the inside at the cooler bin again, fill heat-absorbing medium in the inside of coiled pipe, make the coiled pipe carry out cooling treatment to the mud in the cooler bin, reach the purpose that promotes cooling efficiency, and go into the pipe through setting up heat medium exit tube and heat medium respectively at the both ends of coiled pipe, heat medium exit tube and heat medium go into union coupling heat exchanger, and set up the cooling water at the refrigerant end of heat exchanger, make heat-absorbing medium cool off through the heat exchanger, the cooling water heats through the heat exchanger, reach the purpose of retrieving the heat.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the cooling box of the present invention;

fig. 3 is a schematic structural view of the stirring assembly of the present invention.

In the figure: 10. a cyclone desanding component; 11. a cyclone box; 12. the cyclone box supports legs; 13. a sand unloading valve; 14. a slurry inlet; 15. a slurry outlet; 16. a conveying pipe; 17. a transfer pump; 20. a cooling assembly; 21. a cooling tank; 22. cooling box support legs; 23. an outlet port; 24. a discharge port; 25. a thermometer; 30. a stirring assembly; 31. a stirring motor; 32. a reduction gearbox; 33. a stirring shaft; 34. a stirring blade; 341. a blade fixing block; 40. a heat exchange assembly; 41. a serpentine tube; 42. a heating medium outlet pipe; 421. a circulation pump; 43. a heat medium inlet pipe; 431. a one-way valve; 44. a heat exchanger; 441. cold water enters the pipe; 442. and a cold water outlet pipe.

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.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a sand remover for geothermal drilling comprises a rotational flow sand removing component 10, a cooling component 20, a stirring component 30 and a heat exchange component 40, the cooling module 20 includes a cooling tank 21, a cooling tank support leg 22, a discharge port 23, a discharge port 24, and a temperature gauge 25, the bottom of the cooling box 21 is fixedly connected with the cooling box support legs 22, the outer side wall of the cooling box 21 is respectively provided with the discharge port 23 and the discharge port 24, the thermometer 25 is fixedly connected to the top of the cooling tank 21, the heat exchange assembly 40 comprises a coiled pipe 41, a heat medium outlet pipe 42, a heat medium inlet pipe 43 and a heat exchanger 44, the coiled pipe 41 is fixedly connected to the inside of the cooling tank 21, one end of the coiled pipe 41 is provided with the heat medium outlet pipe 42, the other end of the heat exchanger is provided with the heat medium inlet pipe 43, and the heat medium outlet pipe 42 and the heat medium inlet pipe 43 are respectively connected with the heat medium inlet end and the heat medium outlet end of the heat exchanger 44.

In the embodiment, the model of the transfer pump 17 is 2BV5110, the model of the thermometer 25 is JX-8K-1, the model of the stirring motor 31 is AHGH6016, the model of the circulating pump 421 is CZL15-80, and the model of the heat exchanger 44 is AL 405.

In this embodiment, specifically: the cyclone desanding assembly 10 comprises a cyclone box 11, cyclone box supporting legs 12, a sand unloading valve 13, a slurry inlet 14, a slurry outlet 15, a transmission pipe 16 and a transmission pump 17, wherein the cyclone box supporting legs 12 are arranged on the outer side wall of the cyclone box 11, the sand unloading valve 13 is installed at the bottom of the cyclone box 11, the slurry inlet 14 is arranged on the outer side wall of the cyclone box 11, the slurry outlet 15 is fixedly connected to the top of the cyclone box 11, the transmission pipe 16 is installed at one end of the transmission pipe 16, and the transmission pump 17 is installed at one end of the transmission pipe 16; the slurry is desanded by inserting the slurry inlet 14 into the return liquid pipe into the cyclone box 11, and after desanding is completed, the slurry is pumped by the transfer pump 17 through the transfer pipe 16 into the cooling box 21.

In this embodiment, specifically: the stirring assembly 30 comprises a stirring motor 31, a reduction gearbox 32, a stirring shaft 33 and stirring blades 34, an output shaft of the stirring motor 31 is fixedly connected with an input shaft of the reduction gearbox 32, the output shaft of the reduction gearbox 32 is fixedly connected with the stirring shaft 33, and the stirring blades 34 are arranged on the outer side wall of the stirring shaft 33; the stirring shaft 33 is driven to rotate by the stirring motor 31, the stirring shaft 33 drives the stirring blades 34 arranged on the outer side to rotate, the stirring blades 34 are used for stirring the slurry, the contact area of the slurry and the coiled pipe 41 is increased, and therefore the purpose of improving the heat absorption efficiency is achieved, wherein the reduction gearbox 32 is used for slowing down the rotating speed of the output shaft of the stirring motor 31 and increasing the torque.

In this embodiment, specifically: a blade fixing block 341 is arranged at the joint of the stirring blade 34 and the stirring shaft 33; the blade fixing block 341 fixes the agitating blade 34.

In this embodiment, specifically: one end of the heat medium outlet pipe 42 is provided with a circulating pump 421, and one end of the heat medium inlet pipe 43 is provided with a one-way valve 431; the circulation pump 421 circulates the heat exchange medium in the serpentine tube 41.

In this embodiment, specifically: a cold medium inlet end and a cold medium outlet end of the heat exchanger 44 are respectively connected with a cold water inlet pipe 441 and a cold water outlet pipe 442; the external water enters the heat exchanger 44 through the cold water inlet pipe 441 for heat exchange, and is discharged through the cold water outlet pipe 442.

When the heat-absorbing heat-exchanging device is used, firstly, a slurry inlet 14 is connected into a liquid return pipeline, so that slurry enters the cyclone box 11 for desanding, after the desanding is completed, the slurry is pumped into the cooling box 21 through the transmission pipe 16 by the transmission pump 17, at the moment, the stirring motor 31 (a switch is not shown) is started, the stirring shaft 33 is driven to rotate by the stirring motor 31, the stirring shaft 33 drives the stirring blades 34 arranged on the outer side to rotate, so that the stirring blades 34 stir the slurry, the heat-absorbing medium in the coil pipe 41 absorbs the heat of the slurry, the heat-absorbing medium enters the heat exchanger 44 through the circulating pump 421 (a switch is not shown) for cooling and heat exchanging, then the heat medium enters the heat exchanger 44 through the heat inlet pipe 43 for recycling, an external water source enters the heat exchanger 44 through the cold water inlet pipe 441 for heat exchanging, and then is discharged through the cold water outlet pipe 442.

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

1. The utility model provides a sand remover for geothermal drilling, includes whirl degritting subassembly (10), cooling module (20), stirring subassembly (30) and heat exchange assemblies (40), its characterized in that: the cooling assembly (20) comprises a cooling box (21), cooling box supporting legs (22), a discharge port (23), a discharge port (24) and a thermometer (25), the bottom of the cooling box (21) is fixedly connected with cooling box supporting legs (22), the outer side wall of the cooling box (21) is respectively provided with the discharge port (23) and the discharge port (24), the top of the cooling box (21) is fixedly connected with the thermometer (25), the heat exchange assembly (40) comprises a coiled pipe (41), a heat medium outlet pipe (42), a heat medium inlet pipe (43) and a heat exchanger (44), the inside of the cooling box (21) is fixedly connected with the coiled pipe (41), one end of the coiled pipe (41) is provided with the heat medium outlet pipe (42), the other end of the heat exchanger is provided with the heat medium inlet pipe (43), and the heat medium outlet pipe (42) and the heat medium inlet pipe (43) are respectively connected with the heat medium inlet end and the heat medium outlet end of the heat exchanger (44).

2. The sand remover for geothermal drilling according to claim 1, wherein: the cyclone sand removing assembly (10) comprises a cyclone box (11), cyclone box supporting legs (12), a sand unloading valve (13), a slurry inlet (14), a slurry outlet (15), a transmission pipe (16) and a transmission pump (17), wherein the outer side wall of the cyclone box (11) is provided with the cyclone box supporting legs (12), the bottom of the cyclone box (11) is provided with the sand unloading valve (13), the outer side wall of the cyclone box (11) is provided with the slurry inlet (14), the top of the cyclone box (11) is fixedly connected with the slurry outlet (15), one end of the transmission pipe (16) is installed with the transmission pipe (16), and one end of the transmission pipe (16) is installed with the transmission pump (17).

3. The sand remover for geothermal drilling according to claim 1, wherein: the stirring assembly (30) comprises a stirring motor (31), a reduction gearbox (32), a stirring shaft (33) and stirring blades (34), an output shaft of the stirring motor (31) is fixedly connected with an input shaft of the reduction gearbox (32), an output shaft of the reduction gearbox (32) is fixedly connected with the stirring shaft (33), and the outer side wall of the stirring shaft (33) is provided with the stirring blades (34).

4. The sand remover for geothermal drilling according to claim 3, wherein: and a blade fixing block (341) is arranged at the joint of the stirring blade (34) and the stirring shaft (33).

5. The sand remover for geothermal drilling according to claim 1, wherein: one end of the heat medium outlet pipe (42) is provided with a circulating pump (421), and one end of the heat medium inlet pipe (43) is provided with a one-way valve (431).

6. The sand remover for geothermal drilling according to claim 1, wherein: and the refrigerant inlet end and the refrigerant outlet end of the heat exchanger (44) are respectively connected with a cold water inlet pipe (441) and a cold water outlet pipe (442).