Centrifugal machine for drilling fluid

Abstract

The utility model discloses a centrifugal machine for drilling fluid, which belongs to the technical field of centrifugal machines and comprises a centrifugal tank, the outer surface of the centrifugal tank is fixedly connected with a key controller, the inner wall of the centrifugal tank is fixedly connected with a feeding pipe, a driving motor, a first sealing bearing and a connecting pipe respectively, and a centrifugal cylinder is arranged in the centrifugal tank. The output end of the driving motor is fixedly connected with a rotating rod, the bottom face of the centrifugal barrel fixedly communicates with a discharging pipe, and the inner wall of the connecting pipe is fixedly connected with a second sealing bearing. According to the centrifugal machine for the drilling fluid, through mutual cooperation of the centrifugal tank, the feeding pipe, the key controller, the driving motor, the rotating rod, the centrifugal barrel, the discharging pipe, a connecting pipe, a second sealing bearing, an electromagnetic valve, a discharging pipe, a bottom sealing disc and a fastening bolt, the drilling fluid to be centrifuged can be injected from the feeding pipe; the key controller can be operated to control the driving motor to be powered on to drive the rotating rod and the centrifugal barrel to rotate, and then drilling fluid in the centrifugal barrel can be centrifuged.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of centrifuges, and particularly relates to a centrifuge for drilling fluid. BACKGROUND

[0002] The centrifuge is a mechanical device for realizing the separation, concentration or purification of different substances by using centrifugal force. The drilling fluid is an important liquid raw material for ensuring the smooth drilling operation of a drilling machine. In the use process, solid-phase particles are easily mixed into the drilling fluid, and the drilling fluid has a high cost. In order to save the cost and improve the subsequent use value of the recovered drilling fluid, a corresponding centrifuge is used to recover and centrifugally purify the drilling fluid for reuse.

[0003] The centrifuge for drilling fluid disclosed in the prior art authorization announcement No. CN217421103U uses a centrifugal structure to centrifugally process the drilling fluid, ensures the quality of the drilling fluid, and quickly centrifugally processes the drilling fluid for drilling use, so as to solve the problem that the existing drilling fluid does not have a perfect circulating treatment device, a large amount of impurities in the drilling fluid can cause the abrasion of the device, and the device can be damaged for a long time, thereby affecting the overall progress of drilling.

[0004] Although the above technical scheme can centrifugally purify the drilling fluid to a certain extent, the structure of the above technical scheme can easily mix the impurities after centrifugation with the drilling fluid and discharge them, lacks an efficient discharge separation structure, and thus the impurities after centrifugation can be easily mixed with the drilling fluid again and discharged, so that the final purification effect of the drilling fluid is poor.

[0005] Therefore, the centrifuge for drilling fluid is proposed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] The centrifuge for drilling fluid is proposed to solve the problem that the impurities after centrifugation can be easily mixed with the drilling fluid again and discharged, so that the final purification effect of the drilling fluid is poor.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0008] The centrifuge for drilling fluid comprises a centrifugal tank, a key controller is fixedly connected to the outer surface of the centrifugal tank, a feed pipe, a driving motor, a first sealing bearing and a connecting pipe are fixedly connected to the inner wall of the centrifugal tank, a centrifugal cylinder is arranged in the centrifugal tank, a rotating rod is fixedly connected to the output end of the driving motor, a discharge pipe is fixedly connected to the bottom surface of the centrifugal cylinder, a second sealing bearing is fixedly connected to the inner wall of the connecting pipe, an electromagnetic valve and a bottom sealing disc are arranged below the centrifugal tank, a discharge pipe is fixedly connected to the output end of the electromagnetic valve, and two fastening bolts are threadedly connected to the inner wall of the bottom sealing disc and the inner wall of the centrifugal tank.

[0009] Preferably, the bottom end of the rotating rod is fixedly connected with the upper surface of the centrifugal cylinder, the outer surface of the rotating rod is fixedly connected with the inner ring of the first sealing bearing, the inner ring of the second sealing bearing is fixedly connected with the outer surface of the discharge pipe, the input end of the electromagnetic valve is fixedly communicated with the bottom end of the connecting pipe, the outer surface of the bottom sealing disc is in contact with the inner wall of the centrifugal tank, the driving motor and the electromagnetic valve are electrically connected with the button controller through wires, and the outer surface of the centrifugal tank is fixedly connected with a support ring frame.

[0010] Preferably, the outer surface of the support ring frame is fixedly connected with two handle supports, and the inner wall of each handle support is fixedly connected with a pull rod.

[0011] Preferably, the inner part of each handle support is provided with a handle, and the inner wall of each handle is rotationally connected with the outer surface of the pull rod.

[0012] Preferably, the outer surface of the driving motor output end is fixedly connected with a shaft coupling, and the inner wall of the shaft coupling is fixedly connected with the outer surface of the rotating rod.

[0013] Preferably, the outer surface of each fastening bolt is sleeved with a gasket, and the side surface of each gasket close to the centrifugal tank is in contact with the outer surface of the centrifugal tank.

[0014] To sum up, the technical effects and advantages of the present application are:

[0015] Through the cooperation of the centrifugal tank, the feed pipe, the button controller, the driving motor, the rotating rod, the centrifugal cylinder, the discharge pipe, the connecting pipe, the second sealing bearing, the electromagnetic valve, the discharge pipe, the bottom sealing disc and the fastening bolt, the drilling fluid to be centrifuged can be injected from the feed pipe, the driving motor can be powered to drive the rotating rod and the centrifugal cylinder to rotate by operating the button controller, and then the drilling fluid in the centrifugal cylinder can be centrifuged, the solid impurities can be attached to the inner wall of the centrifugal tank after passing through the centrifugal cylinder, the bottom sealing disc can be fixed at the bottom of the centrifugal tank by the fastening bolt, and the bottom sealing disc can effectively prevent the overflow of the centrifugal impurities and the drilling fluid, the electromagnetic valve can be controlled by operating the button controller, the drilling fluid in the centrifugal cylinder can be gradually discharged from the discharge pipe after being centrifuged and filtered for a period of time, and the solid impurities thrown out by the centrifugal force can be intercepted by the bottom sealing disc and can only be discharged by disassembling the fastening bolt and the bottom sealing disc, which can greatly improve the discharge and final purification effect of the drilling fluid, and can avoid the problem that the final purification effect of the drilling fluid is poor due to the lack of efficient discharge and separation structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The utility model discloses a drilling fluid centrifuge three-dimensional whole structure schematic diagram.

[0017] Figure 2 The utility model discloses a centrifugal tank cut three-dimensional structure schematic diagram.

[0018] Figure 3 The utility model discloses a centrifugal tank cut three-dimensional structure schematic diagram.

[0019] Figure 4 The utility model discloses a centrifugal tank cut three-dimensional structure schematic diagram.

[0020] Figure 5 The utility model discloses a solenoid valve three-dimensional structure schematic diagram.

[0021] Figure 6 The utility model discloses a bottom sealing disc three-dimensional structure schematic diagram.

[0022] Figure 7 The utility model discloses a support ring frame three-dimensional structure schematic diagram.

[0023] In the figure: 1, centrifugal tank;2, feed pipe;3, button controller;4, drive motor;5, rotating rod;6, centrifugal cylinder;7, discharge pipe;8, connecting pipe;9, second sealing bearing;10, solenoid valve;11, discharge pipe;12, bottom sealing disc;13, fastening bolt;14, support ring frame;15, support leg;16, handle support;17, pull rod;18, handle;19, washer;20, first sealing bearing;21, shaft coupling. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Referring to Figures 1-7 A kind of drilling fluid centrifuge, including centrifugal tank 1, the outer surface of centrifugal tank 1 is fixedly connected with button controller 3, the inner wall of centrifugal tank 1 is fixedly connected with feed pipe 2, drive motor 4, first sealing bearing 20 and connecting pipe 8 respectively, the outer surface of centrifugal tank 1 is fixedly connected with support ring frame 14, the bottom surface of support ring frame 14 is fixedly connected with four support legs 15, by setting support ring frame 14, centrifugal tank 1 can be expanded support leg 15 such support structure, so that enough space can be left under the auxiliary of support leg 15 to centrifugal tank 1 and the placing stability of centrifugal tank 1 can be increased.

[0026] The inside of the centrifugal tank 1 is provided with a centrifugal cylinder 6, the output end of the driving motor 4 is fixedly connected with a rotating rod 5, the bottom end of the rotating rod 5 is fixedly connected with the upper surface of the centrifugal cylinder 6, the outer surface of the rotating rod 5 is fixedly connected with the inner ring of the first sealing bearing 20, the outer surface of the support ring frame 14 is fixedly connected with two handle supports 16, the inner wall of each handle support 16 is fixedly connected with a pull rod 17, by being provided with the pull rod 17, the rotating base surface can be provided for the hand holding structure in the handle support 16, and the use flexibility of the hand holding structure is increased, by being provided with the handle support 16 and the pull rod 17, the hand holding structure can be cooperated, and the whole centrifugal machine can be lifted and carried under the force of the hand holding or external lifting structure.

[0027] The bottom surface of the centrifugal cylinder 6 is fixedly connected with a discharge pipe 7, the inner wall of the connecting pipe 8 is fixedly connected with a second sealing bearing 9, the inner ring of the second sealing bearing 9 is fixedly connected with the outer surface of the discharge pipe 7, the inside of each handle support 16 is provided with a handle 18, the inner wall of each handle 18 is rotationally connected with the outer surface of the pull rod 17, by being provided with the handle 18, the handle 18 can rotate around the outer surface of the pull rod 17 in the inside of the handle support 16, and the whole centrifugal machine can be lifted and carried under the force of the hand holding or external lifting structure.

[0028] The lower part of the centrifugal tank 1 is respectively provided with a solenoid valve 10 and a bottom sealing disc 12, the output end of the solenoid valve 10 is fixedly connected with a discharge pipe 11, the driving motor 4 and the solenoid valve 10 are electrically connected with the button controller 3 through wires, the input end of the solenoid valve 10 is fixedly connected with the bottom end of the connecting pipe 8, the outer surface of the bottom sealing disc 12 is in contact with the inner wall of the centrifugal tank 1, the outer surface of the output end of the driving motor 4 is fixedly connected with a shaft coupling 21, the inner wall of the shaft coupling 21 is fixedly connected with the outer surface of the rotating rod 5, by being provided with the shaft coupling 21, the connection between the output end of the driving motor 4 and the rotating rod 5 can be reinforced, and the rotating stability of the rotating rod 5 is increased.

[0029] The inner wall of the bottom sealing disc 12 is threadedly connected with two fastening bolts 13 together with the inner wall of the centrifugal tank 1, the outer surface of each fastening bolt 13 is sleeved with a gasket 19, the side surface of each gasket 19 close to the centrifugal tank 1 is in contact with the outer surface of the centrifugal tank 1, by being provided with the gasket 19, the gasket 19 can be arranged between the centrifugal tank 1 and the fastening bolt 13 and increase the contact area of the two, and the fastening effect of the fastening bolt 13 is increased.

[0030] The working principle of the utility model is: when using, inject the drilling fluid to be centrifuged from the feed pipe 2, at this time, the electromagnetic valve 10 should be ensured to be in the closed state, and the bottom sealing disc 12 is fixed on the bottom of the centrifugal tank 1 by the fastening bolt 13, then the button controller 3 is operated to control the driving motor 4 to be electrified to drive the rotating rod 5 and the centrifugal cylinder 6 to rotate, then the drilling fluid in the centrifugal cylinder 6 is centrifuged, the solid impurities pass through the centrifugal cylinder 6 and adhere to the inner wall of the centrifugal tank 1, and the bottom sealing disc 12 can effectively prevent the centrifugal impurities and the drilling fluid from overflowing, when centrifuging for a certain time, the button controller 3 automatically controls the electromagnetic valve 10 to be electrified to connect the connecting pipe 8 and the discharge pipe 11, then the drilling fluid centrifuged enough in the centrifugal cylinder 6 is gradually discharged from the discharge pipe 11 through the discharge pipe 7, the connecting pipe 8 and the electromagnetic valve 10, and the solid impurities thrown out by the centrifugal force are intercepted by the bottom sealing disc 12, when it is needed to clean the residual solid impurities in the centrifugal tank 1 and the bottom sealing disc 12, the fastening bolt 13 and the bottom sealing disc 12 are disassembled, then the inner wall of the centrifugal tank 1 and the bottom sealing disc 12 are cleaned, the effect of greatly improving the drilling fluid discharge and the final purification effect is achieved, the design of the whole drilling fluid centrifugal machine effectively solves the problem that the final purification effect of the drilling fluid is poor because the high-efficiency discharge separation structure is lacked, the impurities are easily mixed with the drilling fluid again and discharged after centrifugation.

[0031] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0032] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0033] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A centrifuge for drilling fluids, comprising a centrifuge bowl (1), characterised in that: The outer surface of the centrifugal tank (1) is fixedly connected with a button controller (3), the inner wall of the centrifugal tank (1) is fixedly connected with a feeding pipe (2), a driving motor (4), a first sealing bearing (20) and a connecting pipe (8), respectively, the inside of the centrifugal tank (1) is provided with a centrifugal cylinder (6), the output end of the driving motor (4) is fixedly connected with a rotating rod (5), the bottom surface of the centrifugal cylinder (6) is fixedly communicated with a discharging pipe (7), the inner wall of the connecting pipe (8) is fixedly connected with a second sealing bearing (9), the lower portion of the centrifugal tank (1) is provided with an electromagnetic valve (10) and a bottom sealing disc (12), respectively, the output end of the electromagnetic valve (10) is fixedly communicated with a discharging pipe (11), and the inner wall of the bottom sealing disc (12) is threadedly connected with two fastening bolts (13) and the inner wall of the centrifugal tank (1).

2. A centrifuge for drilling fluids as claimed in claim 1, characterized in that: The bottom end of the rotating rod (5) is fixedly connected with the upper surface of the centrifugal cylinder (6), the outer surface of the rotating rod (5) is fixedly connected with the inner ring of the first sealing bearing (20), the inner ring of the second sealing bearing (9) is fixedly connected with the outer surface of the discharging pipe (7), the input end of the electromagnetic valve (10) is fixedly communicated with the bottom end of the connecting pipe (8), the outer surface of the bottom sealing disc (12) is in contact with the inner wall of the centrifugal tank (1), the driving motor (4) and the electromagnetic valve (10) are electrically connected with the button controller (3) through wires, the outer surface of the centrifugal tank (1) is fixedly connected with a support ring frame (14), and the bottom surface of the support ring frame (14) is fixedly connected with four supporting legs (15).

3. A centrifuge for drilling fluids as claimed in claim 2, characterised in that: The outer surface of the support ring frame (14) is fixedly connected with two handle supports (16), and the inner wall of each handle support (16) is fixedly connected with a pull rod (17).

4. A centrifuge for drilling fluids as claimed in claim 3, characterised in that: The inside of each handle support (16) is provided with a handle (18), and the inner wall of each handle (18) is rotatably connected with the outer surface of the pull rod (17).

5. A centrifuge for drilling fluids as defined in claim 1, characterized in that: The outer surface of the output end of the driving motor (4) is fixedly connected with a shaft coupling (21), and the inner wall of the shaft coupling (21) is fixedly connected with the outer surface of the rotating rod (5).

6. A centrifuge for drilling fluids as defined in claim 1, characterized in that: The outer surface of each fastening bolt (13) is sleeved with a gasket (19), and the side surface of each gasket (19) close to the centrifugal tank (1) is in contact with the outer surface of the centrifugal tank (1).

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