Geothermal drilling cleaning and desanding device

Abstract

The utility model relates to the technical field of geothermal well drilling, and discloses a geothermal well drilling cleaning and desanding device which comprises a desanding tank, the top of the desanding tank is fixedly connected with a feeding pipe and a driving motor, the bottom of the driving motor is fixedly connected with a transmission shaft, and the transmission shaft is fixedly connected with a transmission shaft. And the surface of the transmission shaft is fixedly connected with a mixing assembly. The four cleaning scraping plates are symmetrically distributed with the transmission shaft as the center in the circumferential direction, the surfaces of the four cleaning scraping plates make contact with the surface of the inner wall of the desanding tank, and in the cleaning and desanding process, the cleaning scraping plates symmetrically distributed in the circumferential direction can completely cover the inner wall of the desanding tank; the cleaning scraper can effectively scrape impurities such as sand grains attached to the tank wall, the situation that the impurities are accumulated on the tank wall and affect the sand removal effect and normal operation of the device is prevented, the interior of the sand removal tank can be kept clean, the equipment failure risk caused by impurity accumulation is reduced, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to geothermal drilling technical field especially relates to a geothermal drilling cleaning sand removing device. BACKGROUND

[0002] Geothermal drilling is used for geothermal steam and geothermal water drilling, is an important special technology, is the necessary means of exploration and exploitation of geothermal fluid, needs liquid in the drilling process, and the liquid can play the role of cleaning the well bottom and carrying drill cuttings, balancing formation fluid pressure and lubricating and cooling drill bit and drill.

[0003] The existing geothermal drilling cleaning sand removing device occupies a certain space in the sand removing tank, so that some large cleaning equipment or special cleaning tools cannot reach each part of the tank wall, limiting the completeness of cleaning, and residual products may not be effectively removed in the area between the scrapers or the corners of the tank wall that the scrapers cannot reach. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a geothermal drilling cleaning sand removing device.

[0005] The utility model adopts the following technical scheme: a geothermal drilling cleaning sand removing device, including a sand removing tank, the top of the sand removing tank is fixedly connected with a feed pipe, the top of the sand removing tank is fixedly connected with a driving motor, the bottom of the driving motor is fixedly connected with a transmission shaft, the surface of the transmission shaft is fixedly connected with a mixing assembly, the lower surface of the transmission shaft is fixedly connected with a cleaning assembly, the surface of the cleaning assembly is fixedly connected with a cleaning scraper, the bottom of the sand removing tank is fixedly connected with a supporting column, the bottom of the sand removing tank is fixedly connected with a gas cylinder, the bottom of the gas cylinder is fixedly connected with a connecting frame, the top of the connecting frame is fixedly connected with a flow guide plate, the top of the connecting frame is fixedly connected with a blocking plate, the bottom of the sand removing tank is fixedly connected with a waterproof partition.

[0006] As a further improvement of the above scheme, the number of mixing assemblies is set to several, and the several mixing assemblies are symmetrically distributed around the transmission shaft, and the mixing assemblies are located at the top of the cleaning assembly.

[0007] Through the above technical scheme, the mixing assembly is located at the top of the cleaning assembly, which is reasonable in layout, and in work, the substances entering the sand removing tank are mixed by the mixing assembly first, so that the impurities such as sand particles are better dispersed, and then the cleaning assembly is used for targeted cleaning and sand removing operation, so that the working efficiency of the whole device is improved.

[0008] As a further improvement of the above-mentioned scheme, the number of the cleaning scrapers is four, and the four cleaning scrapers are distributed in a circumferential symmetry around the transmission shaft with the surfaces of the cleaning scrapers in contact with the inner wall surface of the desanding tank.

[0009] As a further improvement of the above-mentioned scheme, the cylinder is located inside the waterproof partition, the connecting frame is located at the bottom of the desanding tank, and the flow guide plate is located at the bottom of the cylinder.

[0010] Through the above technical scheme, the flow guide plate is located at the bottom of the cylinder and at the bottom of the waterproof partition, the presence of the flow guide plate can guide the direction of the discharged material, so that the material after desanding can flow out of the desanding tank in a predetermined direction, avoiding the disorder caused by the disordered flow of the material, and at the same time, the waterproof partition can prevent water and other substances from eroding the bottom components such as the cylinder, thereby improving the service life and reliability of the bottom components of the device.

[0011] As a further improvement of the above-mentioned scheme, the number of the blocking plates is four, and the four blocking plates are distributed in a circumferential symmetry around the desanding tank.

[0012] As a further improvement of the above-mentioned scheme, the top of the blocking plate is provided with a cleaning assembly, and the flow guide plate is located at the bottom of the waterproof partition.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The utility model discloses a four cleaning scrapers are distributed in a circumferential symmetry around the transmission shaft with the surfaces of the cleaning scrapers in contact with the inner wall surface of the desanding tank, in the cleaning desanding process, the circumferentially symmetrical distribution cleaning scraper can comprehensively cover the inner wall of the desanding tank, when the transmission shaft rotates, the cleaning scraper can effectively scrape the sand and other impurities adhered to the tank wall, prevent the impurities from piling up on the tank wall and affecting the desanding effect and the normal operation of the device, which helps to keep the inside of the desanding tank clean, reduces the risk of equipment failure caused by impurity accumulation, and prolongs the service life of the equipment.

[0015] The utility model discloses a four blocking plates are distributed in a circumferential symmetry around the desanding tank, in the desanding process, the blocking plate can effectively block the discharge port at the bottom of the desanding tank, prevent the material from flowing out too early when the desanding is not completed, when the desanding is completed, the connecting frame is moved by the action of the cylinder, and the blocking plate opens the discharge port, realizes the orderly discharge, and the circumferential symmetry ensures the tightness of the blocking, prevents the sand and other impurities from leaking, and improves the controllability of the desanding process. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the anatomical structure schematic diagram of the utility model;

[0018] Figure 3 It is the bottom view structural schematic diagram of the utility model.

[0019] Figure 4 It is the right view structural schematic diagram of the utility model.

[0020] Main symbol explanation:

[0021] 1, sand removal tank; 2, feed pipe; 3, driving motor; 4, transmission shaft; 5, mixing assembly; 6, cleaning assembly; 7, cleaning scraper; 8, controller; 9, support column; 10, air cylinder; 11, waterproof partition; 12, connecting frame; 13, flow guide plate; 14, blocking plate. Specific implementation

[0022] Next, the utility model is further described in combination with the drawings and specific implementation, and it should be noted that the following described embodiments or technical features between each other can be arbitrarily combined to form new embodiments under the condition of no conflict.

[0023] Embodiment:

[0024] Please combine Figures 1-4 The sand removal device for geothermal drilling of the embodiment includes a sand removal tank 1, a feed pipe 2 is fixedly connected to the top of the sand removal tank 1, a driving motor 3 is fixedly connected to the top of the sand removal tank 1, a transmission shaft 4 is fixedly connected to the bottom of the driving motor 3, a mixing assembly 5 is fixedly connected to the surface of the transmission shaft 4, a cleaning assembly 6 is fixedly connected to the lower surface of the transmission shaft 4, a cleaning scraper 7 is fixedly connected to the surface of the cleaning assembly 6, a support column 9 is fixedly connected to the bottom of the sand removal tank 1, an air cylinder 10 is fixedly connected to the bottom of the sand removal tank 1, a connecting frame 12 is fixedly connected to the bottom of the air cylinder 10, a flow guide plate 13 is fixedly connected to the top of the connecting frame 12, a blocking plate 14 is fixedly connected to the top of the connecting frame 12, a waterproof partition 11 is fixedly connected to the bottom of the sand removal tank 1, four cleaning scrapers 7 are arranged on the sand removal tank 1 in a circumferentially symmetrical manner around the transmission shaft 4 and are in contact with the inner wall surface of the sand removal tank 1, and the circumferentially symmetrical cleaning scrapers 7 can fully cover the inner wall of the sand removal tank 1 during the cleaning and sand removal process. When the transmission shaft 4 rotates, the cleaning scrapers 7 can effectively remove the sand particles and other impurities adhered to the tank wall, prevent the impurities from accumulating on the tank wall and affecting the sand removal effect and the normal operation of the device, help to keep the inside of the sand removal tank 1 clean, reduce the risk of equipment failure caused by impurity accumulation, and prolong the service life of the equipment.

[0025] The number of the mixing assemblies 5 is set to several, and the several mixing assemblies 5 are arranged in a symmetrical manner around the transmission shaft 4, and the mixing assemblies 5 are located at the top of the cleaning assembly 6.

[0026] The mixing assembly 5 is located on the top of the cleaning assembly 6, which is reasonable, in the working process, the material entering the sand removal tank 1 is mixed by the mixing assembly 5 first, so that the impurities such as sand particles are better dispersed, and then the targeted cleaning and sand removal operation is carried out by the cleaning assembly 6, thereby improving the working efficiency of the whole device.

[0027] The number of cleaning scrapers 7 is set to four, and the four cleaning scrapers 7 are distributed in a circumferential symmetry around the transmission shaft 4, and the surface of the cleaning scraper 7 is in contact with the inner wall surface of the sand removal tank 1.

[0028] The air cylinder 10 is located in the waterproof partition plate 11, the connecting frame 12 is located at the bottom of the sand removal tank 1, the guide plate 13 is located at the bottom of the air cylinder 10, and the four blocking plates 14 are distributed in a circumferential symmetry around the sand removal tank 1. During the sand removal process, the blocking plate 14 can effectively block the discharge port at the bottom of the sand removal tank 1, so as to prevent the material from flowing out too early when the sand removal is not completed. When the sand removal is completed, the connecting frame 12 is moved by the action of the air cylinder 10, so that the blocking plate 14 opens the discharge port, realizing orderly discharging. The circumferential symmetry ensures the tightness of the blocking, prevents the leakage of impurities such as sand particles, and improves the controllability of the sand removal process.

[0029] The guide plate 13 is located at the bottom of the air cylinder 10 and at the bottom of the waterproof partition plate 11. The presence of the guide plate 13 can guide the direction of discharging, so that the material after sand removal can flow out of the sand removal tank 1 according to the predetermined direction, avoiding the disorder caused by the disordered flow of the material. At the same time, the waterproof partition plate 11 can prevent water and other substances from eroding the bottom components such as the air cylinder 10, thereby improving the service life and reliability of the bottom components of the device.

[0030] The number of blocking plates 14 is set to four, and the four blocking plates 14 are distributed in a circumferential symmetry around the sand removal tank 1.

[0031] The top of the blocking plate 14 is provided with the cleaning assembly 6, and the guide plate 13 is located at the bottom of the waterproof partition plate 11.

[0032] The implementation principle of the geothermal drilling cleaning and sand removing device in the embodiment of the application is as follows: four cleaning scrapers 7 are arranged in a circumferentially symmetrical manner around the transmission shaft 4 and are in contact with the inner wall surface of the sand removing tank 1, in the cleaning and sand removing process, the circumferentially symmetrical cleaning scrapers 7 can fully cover the inner wall of the sand removing tank 1, when the transmission shaft 4 rotates, the cleaning scrapers 7 can effectively scrape off the sand particles and other impurities adhered to the tank wall, prevent the impurities from accumulating on the tank wall and affecting the sand removing effect and the normal operation of the device, which helps to keep the inside of the sand removing tank 1 clean, reduces the risk of equipment failure caused by impurity accumulation, prolongs the service life of the equipment, four sealing plates 14 are arranged in a circumferentially symmetrical manner around the sand removing tank 1, in the sand removing process, the sealing plates 14 can effectively seal the discharge port at the bottom of the sand removing tank 1, prevent the material from flowing out too early when the sand removing is not completed, when the sand removing is completed, the sealing plates 14 are opened to realize orderly discharging by the movement of the air cylinder 10 to drive the connecting frame 12 to move, the circumferentially symmetrical arrangement ensures the tightness of the sealing, prevents the sand particles and other impurities from leaking, and improves the controllability of the sand removing process.

[0033] The above-mentioned embodiments are only preferred embodiments of the present application, and cannot be used to limit the scope of protection of the present application, and any non-essential changes and replacements made by those skilled in the art on the basis of the present application all belong to the scope of protection required by the present application.

Claims

1. A geothermal well drilling cleaning and sand removal apparatus, characterized by, The utility model relates to a sand removing tank, including sand removing tank (1), the top of sand removing tank (1) is fixedly connected with feed pipe (2), the top of sand removing tank (1) is fixedly connected with drive motor (3), the bottom of drive motor (3) is fixedly connected with transmission shaft (4), the surface of transmission shaft (4) is fixedly connected with mixing assembly (5), the lower surface of transmission shaft (4) is fixedly connected with cleaning assembly (6), the surface of cleaning assembly (6) is fixedly connected with cleaning scraper (7), the bottom of sand removing tank (1) is fixedly connected with support column (9), the bottom of sand removing tank (1) is fixedly connected with pneumatic cylinder (10), the bottom of pneumatic cylinder (10) is fixedly connected with connecting frame (12), the top of connecting frame (12) is fixedly connected with flow guide plate (13), the top of connecting frame (12) is fixedly connected with blocking plate (14), the bottom of sand removing tank (1) is fixedly connected with waterproof partition (11).

2. A geothermal well cleaning and sand removal device as claimed in claim 1 wherein: The number of the mixing assembly (5) is several, and the several mixing assemblies (5) are symmetrically distributed around the transmission shaft (4), and the mixing assembly (5) is located at the top of the cleaning assembly (6).

3. A geothermal well cleaning and sand removal device as claimed in claim 1, wherein: The number of the cleaning scraper (7) is four, and the four cleaning scrapers (7) are circumferentially symmetrically distributed around the transmission shaft (4), and the surface of the cleaning scraper (7) is in contact with the inner wall surface of the sand removing tank (1).

4. A geothermal well cleaning and sand removal apparatus as claimed in claim 3 wherein: The pneumatic cylinder (10) is located in the waterproof partition (11), the connecting frame (12) is located at the bottom of the sand removing tank (1), and the flow guide plate (13) is located at the bottom of the pneumatic cylinder (10).

5. A geothermal well cleaning and sand removal device as defined in claim 1 wherein: The number of the blocking plate (14) is four, and the four blocking plates (14) are circumferentially symmetrically distributed around the sand removing tank (1).

6. A geothermal well cleaning and sand removal apparatus as claimed in claim 5 wherein: The top of the blocking plate (14) is provided with the cleaning assembly (6), and the flow guide plate (13) is located at the bottom of the waterproof partition (11).

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