Drilling mud pretreatment device

Abstract

The utility model provides a drilling mud pretreatment device, and relates to the technical field of mud treatment. The top end surface of the fixed base is fixedly connected with a plurality of groups of spring main bodies in a rectangular array shape; the tail ends of the multiple groups of spring main bodies are fixedly connected with a pretreatment sieve bucket; a mud sieve plate is fixedly connected in the pretreatment sieve hopper through bolts; the slurry sieve plate is aligned with the position of the fixed base; the rear part of the top end surface of the pretreatment sieve hopper is fixedly connected with a feeding box; the bottom end face of the feeding box is symmetrically and fixedly connected with two discharging baffles. The two discharging baffles are both aligned with the position of a discharging opening of the feeding box. And two fixed comb plates are symmetrically arranged between the two discharging baffles. The driving motor is started, then the movable comb plate is driven to move in a reciprocating mode through a series of transmission, high-solid-phase slurry is scattered, and the problem that after entering a screen area, floccules are prone to being clamped in screen holes or adhering to screen wires, and consequently a screen plate is blocked is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mud processing technical field, especially relates to drilling mud pretreatment device. BACKGROUND

[0002] In the process of oilfield drilling operation, a large amount of drilling mud with gravel is returned from the downhole, in order to facilitate the recycling of the returned mud, the staff usually uses a drilling mud pretreatment device to separate the gravel in the drilling mud, the existing drilling mud pretreatment device is usually composed of a base, a vibrating sieve hopper, a sieve plate, a vibrating motor and a feed tank.

[0003] For example: the utility model discloses a drilling mud vibrating screen, and specifically includes a base, the base is installed with a sieve hopper, the sieve hopper is fixedly installed with a vibrating motor, one side above the base is fixedly installed with a pretreatment mechanism, the pretreatment mechanism includes a cabinet, the cabinet is provided with an opening above, a filter cartridge is rotatably installed in the cabinet, a rotating motor is arranged on one side of the filter cartridge, a driving wheel is installed on the output end of the rotating motor, a driven wheel is fixedly installed on the side of the filter cartridge close to the rotating motor, a belt is connected between the driving wheel and the driven wheel, a feed inlet is formed in the barrel side wall of the filter cartridge, a discharge outlet is formed in the bottom of the cabinet, and the discharge outlet corresponds to the opening above the cabinet.The pretreatment mechanism of the utility model can greatly improve the separation efficiency of slurry and broken rocks in drilling mud.

[0004] However, as for the current conventional drilling mud pretreatment device, in the process of pretreating high solid phase mud, clay particles in the high solid phase mud are easy to form flocs by clumping, these flocs are easy to be stuck in the sieve hole or stick to the screen wire after entering the screen area, which causes the sieve plate to be blocked, affects the pretreatment efficiency of the drilling mud, and is inconvenient to use. UTILITY MODEL CONTENTS

[0005] Therefore, the drilling mud pretreatment device has the advantages that the fixed comb plate and the movable comb plate can disperse the flocs of the high solid-phase mud, the vibration motor is started, the driving motor drives the second control bevel gear to rotate, the two first control bevel gears are driven to rotate along with the rotation of the second control bevel gear, the fixed rotating shaft is driven to rotate along with the rotation of the first control bevel gear, the fourth transmission bevel gear is driven to rotate along with the rotation of the fixed rotating shaft, the third transmission bevel gear meshing with the fourth transmission bevel gear is driven to rotate along with the rotation of the fourth transmission bevel gear, the transmission rotating shaft is driven to rotate along with the rotation of the third transmission bevel gear, the second transmission bevel gear is driven to rotate along with the rotation of the transmission rotating shaft, the first transmission bevel gear meshing with the second transmission bevel gear is driven to rotate along with the rotation of the second transmission bevel gear, and the reciprocating screw is driven to rotate along with the rotation of the first transmission bevel gear.

[0006] The utility model provides a drilling mud pretreatment device, specifically includes: fixed base, the top surface of fixed base is fixedly connected with a plurality of groups spring main part in the shape of rectangular array, the tail end of a plurality of groups spring main part is fixedly connected with the pretreatment sieve hopper, the mud sieve plate is fixedly connected with the bolt in the pretreatment sieve hopper, the position of mud sieve plate is in line with fixed base, the top surface rear portion of pretreatment sieve hopper is fixedly connected with the feed bin, the bottom surface of feed bin is fixedly connected with two discharge baffle plates, two discharge baffle plates are in line with the discharge port position of feed bin, two discharge baffle plates are symmetrically provided with two fixed comb plate between, the outside of two discharge baffle plates is fixedly connected with two protection boxes, the rear end surface of two protection boxes is fixedly connected with fixed box.

[0007] Optionally, the rear end surface of the fixed box is fixedly connected with a driving motor; the outer surface of the driving motor shaft is coaxially fixedly connected with a second control bevel gear; two fixed rotating shafts are rotationally connected in the fixed box; the inner side of the two fixed rotating shafts is coaxially fixedly connected with a first control bevel gear; the two first control bevel gears are engaged with the second control bevel gear.

[0008] Optionally, the outer side of the two fixed rotating shafts is coaxially fixedly connected with a fourth transmission bevel gear; two transmission rotating shafts are rotationally connected in the fixed box; the upper part of the two transmission rotating shafts is coaxially fixedly connected with a third transmission bevel gear; the two third transmission bevel gears are engaged with the two fourth transmission bevel gears, respectively.

[0009] Optionally, the lower part of the two transmission rotating shafts is coaxially fixedly connected with a second transmission bevel gear; the two protective boxes are rotatably connected with a reciprocating screw; the rear part of the two reciprocating screws is coaxially fixedly connected with a first transmission bevel gear; and the two first transmission bevel gears are meshed with the two second transmission bevel gears respectively.

[0010] Optionally, the outer part of the two reciprocating screws is threadedly connected with a guide sliding block, and the two guide sliding blocks are symmetrically fixedly connected to the outer part of the moving comb plate; the two guide sliding blocks are slidably connected in the two discharge baffle plates respectively; and the top end surface of the two discharge baffle plates is fixedly connected with a flow divider.

[0011] Optionally, the outer part of the two fixed comb plates is fixedly connected with a group of fixed insertion blocks; the outer part of the two discharge baffle plates is fixedly connected with a group of fixed frames; the two groups of fixed insertion blocks are slidably connected in the two groups of fixed frames respectively; the outer part of the two groups of fixed frames is rotatably connected with a group of control screws; the outer part of the two groups of control screws is threadedly connected with a group of mounting sliding plates; the outer part of the two groups of fixed frames is fixedly connected with a group of guide sliding rods; the two groups of mounting sliding plates are slidably connected to the outer part of the two groups of guide sliding rods respectively; the inner side of the two groups of mounting sliding plates is fixedly connected with a group of locking insertion rods; the two groups of locking insertion rods are slidably connected in the two groups of fixed frames respectively; and the tail ends of the two groups of locking insertion rods are inserted in the two groups of fixed insertion blocks respectively.

[0012] Beneficial effects

[0013] In the process of feeding the mud, the driving motor is started, then a series of transmission drives the moving comb plate to move reciprocally, the bilateral shearing surfaces are formed by the moving comb plate and the fixed comb plate, the mud is subjected to the cross shearing action of the comb teeth on the left and right sides, the high solid phase mud is scattered, the symmetrical layout makes the mud subjected to the balanced mechanical force on the left and right sides at the discharge port, the material deviation to one side of the screen surface caused by unilateral force is prevented, the mud uniformly covers the screen in the subsequent screening process, the anti-blocking capacity is enhanced, the practicability of the drilling mud pretreatment device is effectively improved, and the drilling mud pretreatment device is more convenient to use.

[0014] The mounting sliding plate drives the locking insertion rod to be separated from the fixed insertion block by rotating the control screw, at this time, the fixed comb plate can be pulled down and taken off for replacement, the operation is simple and fast, and the convenience of the drilling mud pretreatment device is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0016] In the drawings:

[0017] Figure 1 is the axial measurement structure schematic diagram of the utility model.

[0018] Figure 2 is the sectional structure schematic diagram of the utility model feed box.

[0019] Figure 3 is the axial measurement structure schematic diagram of the utility model discharge baffle.

[0020] Figure 4 is the axial measurement structure schematic diagram of the utility model shunt.

[0021] Figure 5 is the A place enlarged structure schematic diagram of the utility model Figure 4 .

[0022] Figure 6 is the B place enlarged structure schematic diagram of the utility model Figure 4 .

[0023] Figure 7 is the axial measurement structure schematic diagram of the utility model fixed comb tooth plate.

[0024] Figure 8 is the C place enlarged structure schematic diagram of the utility model Figure 7 .

[0025] List of reference signs

[0026] 1, fixed base; 101, pretreatment sieve hopper; 102, mud sieve plate; 103, spring main body; 104, vibration motor; 105, feed box; 106, discharge baffle; 107, fixed comb tooth plate; 108, fixed frame; 109, fixed plug; 110, control screw; 111, guide slide rod; 112, installation slide plate; 113, locking plug; 114, movable comb tooth plate; 115, shunt; 116, guide slide block; 117, protection box; 118, fixed box; 119, reciprocating screw; 120, first transmission bevel gear; 121, transmission rotating shaft; 122, second transmission bevel gear; 123, third transmission bevel gear; 124, fourth transmission bevel gear; 125, fixed rotating shaft; 126, first control bevel gear; 127, driving motor; 128, second control bevel gear. DETAILED DESCRIPTION

[0027] In order to make the purpose, scheme and advantages of the technical scheme of the utility model more clear, the technical scheme of the utility model embodiment will be described clearly and completely in the following with the drawings of the specific embodiment of the utility model. Unless otherwise specified, the terms used in this paper have the usual meaning in the art. The same reference signs in the drawings represent the same parts.

[0028] Embodiment one:

[0029] The utility model provides a well drilling mud pretreatment device, please refer to Figures 1 to 8 , including: fixed base 1,

[0030] The top surface of fixed base 1 is fixedly connected with multiple groups of spring main bodies 103 in rectangular array shape, the tail end of multiple groups of spring main bodies 103 is fixedly connected with pretreatment sieve hopper 101, and mud sieve plate 102 is fixedly connected in pretreatment sieve hopper 101, the position of mud sieve plate 102 is aligned with fixed base 1, the top surface rear portion of pretreatment sieve hopper 101 is fixedly connected with feed tank 105, the bottom surface of feed tank 105 is fixedly connected with two discharge baffle plates 106, the position of two discharge baffle plates 106 is aligned with the discharge port of feed tank 105, two fixed comb plates 107 are symmetrically arranged between two discharge baffle plates 106, two protective boxes 117 are fixedly connected outside two discharge baffle plates 106, and the rear end surface of two protective boxes 117 is fixedly connected with fixed box 118.

[0031] The rear end surface of fixed box 118 is fixedly connected with a driving motor 127, the outside of the rotating shaft of driving motor 127 is coaxially fixedly connected with second control bevel gear 128, two fixed rotating shafts 125 are rotationally connected in fixed box 118, the inside of two fixed rotating shafts 125 is coaxially fixedly connected with a first control bevel gear 126, and two first control bevel gears 126 are engaged with second control bevel gear 128.

[0032] The outside of two fixed rotating shafts 125 is coaxially fixedly connected with a fourth transmission bevel gear 124, two transmission rotating shafts 121 are rotationally connected in fixed box 118, the upper portion of two transmission rotating shafts 121 is coaxially fixedly connected with a third transmission bevel gear 123, and two third transmission bevel gears 123 are engaged with two fourth transmission bevel gears 124 respectively.

[0033] The lower portion of two transmission rotating shafts 121 is coaxially fixedly connected with a second transmission bevel gear 122, a reciprocating screw 119 is rotationally connected in two protective boxes 117, the rear portion of two reciprocating screws 119 is coaxially fixedly connected with a first transmission bevel gear 120, and two first transmission bevel gears 120 are engaged with two second transmission bevel gears 122 respectively.

[0034] The outside of two reciprocating screws 119 is threadedly connected with a guide sliding block 116, a movable comb plate 114 is arranged between two fixed comb plates 107, two guide sliding blocks 116 are fixedly connected outside movable comb plate 114 symmetrically, two guide sliding blocks 116 are slidably connected in two discharge baffle plates 106 respectively, and the top surface of two discharge baffle plates 106 is fixedly connected with a flow divider 115.

[0035] The specific use and role of the embodiment are as follows: the oilfield drilling mud is injected into the mud sieve plate 102 through the feeding box 105, then the vibration motor 104 is started to make the pretreatment sieve hopper 101 vibrate, the vibration of the pretreatment sieve hopper 101 drives the mud sieve plate 102 to vibrate to separate the slurry and crushed rocks in the oilfield drilling mud, and the oilfield drilling mud is pretreated. In the feeding process, the vibration motor 104 is started to drive the second control bevel gear 128 to rotate through the driving motor 127, the rotation of the second control bevel gear 128 drives the two first control bevel gears 126 to rotate, the rotation of the first control bevel gear 126 drives the fixed rotating shaft 125 to rotate, the rotation of the fixed rotating shaft 125 drives the fourth transmission bevel gear 124 to rotate, the rotation of the fourth transmission bevel gear 124 drives the third transmission bevel gear 123 meshing therewith to rotate, the rotation of the third transmission bevel gear 123 drives the transmission rotating shaft 121 to rotate, the rotation of the transmission rotating shaft 121 drives the second transmission bevel gear 122 to rotate, the rotation of the second transmission bevel gear 122 drives the first transmission bevel gear 120 meshing therewith to rotate, the rotation of the first transmission bevel gear 120 drives the reciprocating screw 119 to rotate, the split flow block 115 is arranged to split the mud to prevent the mud from accumulating on the moving comb plate 114, the reciprocating screw 119 drives the guide sliding block 116 to reciprocate in the process of rotation, and the reciprocating movement of the guide sliding block 116 drives the moving comb plate 114 to reciprocate, the reciprocating moving comb plate 114 and the fixed comb plate 107 are arranged to form a double shear surface, and the mud flowing through is subjected to the interlaced shearing action of the combs on the left and right sides at the same time to disperse the mud.

[0036] Embodiment two

[0037] On the basis of embodiment one, please refer to Figures 7 to 8The fixed frame 108, the fixed plug block 109, the control screw 110, the guide sliding rod 111, the mounting sliding plate 112 and the locking plug rod 113 are connected, and the outer part of the two fixed comb tooth plates 107 is fixedly connected with a group of fixed plug blocks 109; the outer part of the two discharge baffles 106 is fixedly connected with a group of fixed frames 108; the two groups of fixed plug blocks 109 are slidably connected in the two groups of fixed frames 108; the outer part of the two groups of fixed frames 108 is rotatably connected with a group of control screws 110; the outer part of the two groups of control screws 110 is threadedly connected with a group of mounting sliding plates 112; the outer part of the two groups of fixed frames 108 is fixedly connected with a group of guide sliding rods 111; the inner side of the two groups of mounting sliding plates 112 is fixedly connected with a group of locking plug rods 113; the two groups of locking plug rods 113 are slidably connected in the two groups of fixed frames 108; and the ends of the two groups of locking plug rods 113 are respectively inserted into the two groups of fixed plug blocks 109.

[0038] The specific use mode and role of the embodiment are as follows: when the fixed comb tooth plate 107 needs to be replaced, the control screw 110 is rotated, the mounting sliding plate 112 is moved by the control screw 110, the guide sliding rod 111 guides the mounting sliding plate 112 in the movement process of the mounting sliding plate 112, the locking plug rod 113 is separated from the fixed plug block 109 with the movement of the mounting sliding plate 112, and then the fixed comb tooth plate 107 can be pulled down and replaced.

[0039] In this paper, the following points need attention:

[0040] 1. The drawings of the embodiment only relate to the structures involved in the embodiment, and other structures can refer to the general design.

[0041] 2. In the case of no conflict, the features in the embodiment and the embodiment can be combined to obtain a new embodiment.

[0042] The above is only a specific embodiment of the embodiment, but the protection scope of the embodiment is not limited to this, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the embodiment, which should be covered in the protection scope of the embodiment. Therefore, the protection scope of the embodiment should be subject to the protection scope of the claims.

Claims

1. A drilling mud pretreatment apparatus comprising: The utility model provides a mud pretreatment device, including fixed base (1), the top of fixed base (1) is connected with a plurality of spring main part (103) in rectangular array, the end of a plurality of spring main part (103) is fixedly connected with pretreatment sieve hopper (101), its characterized in that, the bolt of pretreatment sieve hopper (101) is fixedly connected with mud sieve plate (102), the position of mud sieve plate (102) is opposite with the fixed base (1), the top of pretreatment sieve hopper (101) is fixedly connected with feed box (105), the bottom of feed box (105) is fixedly connected with two discharge baffle (106) in symmetry, two discharge baffle (106) are opposite with the discharge port position of feed box (105), two discharge baffle (106) are provided with two fixed comb plate (107) between in symmetry, two discharge baffle (106) are fixedly connected with two protection box (117) in symmetry outside, the rear end of two protection box (117) is fixedly connected with fixed box (118).

2. The drilling mud pretreatment device of claim 1, wherein: The rear end of fixed box (118) is fixedly connected with a drive motor (127) by bolt, the outside of drive motor (127) rotation axis is fixedly connected with second control bevel gear (128) coaxially, two fixed rotation axes (125) are rotatably connected in fixed box (118) in symmetry, the inside of two fixed rotation axes (125) are fixedly connected with a first control bevel gear (126) coaxially, two first control bevel gears (126) are engaged with second control bevel gear (128).

3. The drilling mud pretreatment device of claim 2, wherein: The outside of two fixed rotation axes (125) are fixedly connected with a fourth transmission bevel gear (124) coaxially, two transmission rotation axes (121) are rotatably connected in fixed box (118) in symmetry, the upper portion of two transmission rotation axes (121) are fixedly connected with a third transmission bevel gear (123) coaxially, two third transmission bevel gears (123) are engaged with two fourth transmission bevel gears (124) respectively.

4. The drilling mud pretreatment device of claim 3, wherein: The lower portion of two transmission rotation axes (121) are fixedly connected with a second transmission bevel gear (122) coaxially, a reciprocating screw (119) is rotatably connected in two protection box (117), the rear portion of two reciprocating screws (119) are fixedly connected with a first transmission bevel gear (120) coaxially, two first transmission bevel gears (120) are engaged with two second transmission bevel gears (122) respectively.

5. The drilling mud pretreatment apparatus of claim 4, wherein: The outside of two reciprocating screws (119) are fixedly connected with a guide sliding block (116) in screw thread respectively, two fixed comb plate (107) are provided with mobile comb plate (114) between, two guide sliding blocks (116) are fixedly connected in mobile comb plate (114) outside in symmetry, two guide sliding blocks (116) are slidably connected in two discharge baffle (106) respectively, the top of two discharge baffle (106) is fixedly connected with shunt block (115).

6. The drilling mud pretreatment device of claim 1, wherein: The outer part of the two fixing comb tooth plates (107) is fixedly connected with a group of fixed insertion blocks (109); the outer part of the two discharge baffles (106) is fixedly connected with a group of fixed frames (108); the two groups of fixed insertion blocks (109) are slidably connected in the two groups of fixed frames (108) respectively; the outer part of the two groups of fixed frames (108) is rotatably connected with a group of control screws (110); the outer part of the two groups of control screws (110) is threadedly connected with a group of mounting sliding plates (112); the outer part of the two groups of fixed frames (108) is fixedly connected with a group of guide sliding rods (111); the two groups of mounting sliding plates (112) are slidably connected outside the two groups of guide sliding rods (111) respectively; the inner side of the two groups of mounting sliding plates (112) is fixedly connected with a group of locking insertion rods (113); the two groups of locking insertion rods (113) are slidably connected in the two groups of fixed frames (108) respectively; the tail ends of the two groups of locking insertion rods (113) are inserted in the two groups of fixed insertion blocks (109) respectively.

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