CN214440067U

CN214440067U - Desander with automatic bottom flow adjusting device

Info

Publication number: CN214440067U
Application number: CN202022475838.XU
Authority: CN
Inventors: 岳莹莹
Original assignee: Sichuan Fuyilian Information Technology Co Ltd
Current assignee: Hebei Huaan Petroleum Machinery Manufacturing Co.,Ltd.
Priority date: 2020-10-31
Filing date: 2020-10-31
Publication date: 2021-10-22
Anticipated expiration: 2030-10-31

Abstract

The utility model discloses a desander with an automatic underflow adjusting device, which belongs to the technical field of mud solid control equipment in petroleum drilling engineering and comprises a cyclone chamber, wherein the bottom of the cyclone chamber is detachably connected with a sand setting chamber, the top of the cyclone chamber is provided with a feed inlet, the outer side wall of the cyclone chamber is provided with a water inlet, the bottom of the cyclone chamber is provided with a underflow port, the bottom of the underflow port is detachably provided with a mounting frame, the top of the mounting frame is welded with an automatic underflow adjusting device, the automatic underflow adjusting device comprises a ball plug, an expansion column and a spring, the bottom of the ball plug is welded with the expansion column, the outer side wall of the expansion column is sleeved with the spring, the utility model discloses a desander with an automatic underflow adjusting device can automatically adjust the flow speed of the underflow port according to the amount of materials in the sand setting chamber, the structure of the desander with an automatic underflow adjusting device is stable, the three-layer wear-resistant steel plate can work in a high-temperature environment and is wear-resistant.

Description

Desander with automatic bottom flow adjusting device

Technical Field

The utility model relates to an oil drilling engineering mud solid control equipment field specifically is a desander with automatically regulated underflow device.

Background

In drilling, the sand remover is used for removing rock debris and impurities in mud circulated to the ground by adopting a centrifugal separation principle.

The traditional desander with the automatic underflow adjusting device has the following defects: 1. the traditional desander with the automatic underflow adjusting device cannot automatically adjust the flow rate of the underflow opening, and the flow rate of the underflow opening needs to be manually adjusted, which is very troublesome; 2. the traditional desander with the automatic underflow adjusting device is characterized in that a cyclone made of ceramic materials is high-temperature resistant but not wear-resistant, the service life is short, the cyclone needs to be replaced once in 2000 hours generally, and the desander made of polyurethane materials is wear-resistant but not high-temperature resistant; accordingly, one skilled in the art has provided a sand separator with an automatically adjusting underflow device to address the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a desander with automatic bottom flow adjusting device, the utility model can automatically adjust the flow rate of the bottom flow opening according to the amount of the materials in the grit chamber, when the materials in the grit chamber are more, the sand flows to the bottom flow opening, the ball plug is pressed downwards under the action of the gravity of the sand plug, when the ball plug moves downwards, the telescopic column is shortened, the upper column slides downwards towards the inner side wall of the lower column, the spring is compressed along the sliding direction of the upper column at the lower column, the sand flows down from the bottom flow opening, when the sand is reduced, the gravity of the sand is light, which is not enough to press the ball plug downwards to the bottom end, the force of the spring rebounding supports the ball plug, so that the ball plug and the bottom flow opening only leak a small gap, and the sand slowly leaks from the gap, the utility model discloses a desander with automatic bottom flow adjusting device has a stable structure, is made of three layers, and can work under a high temperature environment, the inner layer is made of ceramic materials, the ceramic materials are stable in chemical properties, hard in quality, economical, practical and high-temperature resistant, but not wear-resistant and short in service life, the spiral grains are formed in the inner side wall of the inner layer, fluid can rotate along the spiral grains, abrasion of the inner layer is reduced, the service life of the inner layer is prolonged, the middle layer is made of polyurethane materials and is wear-resistant, the service life can reach 4200 hours, the cyclone effect is relatively good, but not high-temperature resistant, and when the ceramic inner layer is worn away, the polyurethane middle layer can work continuously without being replaced regularly, so that the wear-resistant and wear-resistant polyurethane composite material is very convenient to solve the problems in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme:

comprises a cyclone chamber, the bottom of the cyclone chamber is detachably connected with a sand setting chamber, the top of the cyclone chamber is provided with a feed inlet, the outer side wall of the cyclone chamber is provided with a water inlet, the bottom of the cyclone chamber is provided with a bottom flow port, the bottom of the bottom flow port is detachably provided with a mounting frame, the top of the mounting frame is welded with an automatic underflow adjusting device which comprises a ball plug, a telescopic column and a spring, the bottom of the blocking ball is welded with a telescopic column, the outer side wall of the telescopic column is sleeved with a spring, the sand setting chamber comprises an outer layer, a middle layer and an inner layer, the inner side wall of the outer layer is provided with an intermediate layer, the surface of the intermediate layer is provided with a groove and is in adaptive connection with the inner layer through the groove and a salient point, the spiral line has been seted up to the inlayer inside wall, the skin is high chromium cast iron material, the intermediate level is the polyurethane material, the inlayer is made for ceramic material.

As a further aspect of the present invention: the bottom of the cyclone chamber is welded with a lower mounting ring, the surface of the lower mounting ring is provided with a screw hole and is detachably connected with the upper mounting ring through the screw hole, a bolt and a nut, and the upper mounting ring is welded at the top of the grit chamber.

As a further aspect of the present invention: the outer side wall of the sand setting chamber is welded with a support, and the bottom of the support is welded with a cylindrical block.

As a further aspect of the present invention: and a valve is arranged at the lower part of the underflow port.

As a further aspect of the present invention: the mounting bracket comprises a ring body, a vertical rod and a base, wherein the vertical rod is welded at the bottom of the ring body, and the base is welded at the bottom of the vertical rod.

As a further aspect of the present invention: screw holes are formed in the surface of the ring body, and the ring body is detachably connected with the bottom of the sand settling chamber through the screw holes and bolts.

As a further aspect of the present invention: the telescopic column comprises an upper column and a lower column, and the lower part of the outer side wall of the upper column is connected with the inner side wall of the lower column in a sliding manner.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses desander with automatically regulated underflow device can be automatically according to how much the velocity of flow of adjusting the underflow opening of the indoor material of sand setting, when the indoor material of sand setting is many, the grit flows to the underflow opening, push down the stifled ball under its self action of gravity, when the stifled ball moves down, flexible post shortens, the upper prop slides down to the post inside wall, the spring is compressed at the gliding direction of lower prop along the upper prop, the grit flows down from the underflow opening, when the grit reduces, the gravity of grit self is lighter, be not enough with stifled ball pushing down bottom, stifled ball is held to the power of spring resilience, make stifled ball and underflow opening only spill little gap, the grit slowly leaks down from the gap, solve the problem of the unable automatically regulated underflow opening's of traditional desander that has automatically regulated underflow device the velocity of flow.

2. The sand remover with the automatic underflow adjusting device of the utility model has a stable structure and is made of three layers, can work in high temperature environment, is more abrasion-resistant, has the inner layer made of ceramic material, has stable chemical property and hard quality, is economical and practical, resists high temperature, but is not wear-resistant and has short service life, the inner side wall of the inner layer is provided with the spiral grains, so that the fluid rotates along the direction of the spiral grains, the wear of the inner layer is reduced, the service life of the inner layer is prolonged, the middle layer is made of polyurethane, the wear is resistant, the service life can reach 4200 hours, the swirling effect is relatively good, but not high temperature resistant, when the ceramic inlayer is ground off, the sustainable work of polyurethane intermediate level need not regularly to change, and is very convenient, solves traditional sand remover that has the automatic regulation underflow device and can't have high temperature resistant simultaneously and stand wear and tear, needs the problem of frequent change.

Drawings

Fig. 1 is a schematic view of the overall structure of a sand remover with an automatic underflow adjusting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of an automatic underflow adjusting device of a sand remover with an automatic underflow adjusting device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mounting frame of a sand remover with an automatic underflow adjusting device according to an embodiment of the present invention.

In the figure: 1. a swirl chamber; 2. a sand setting chamber; 201. an outer layer; 202. an intermediate layer; 203. an inner layer; 3. a support; 4. a mounting frame; 401. a ring body; 402. a vertical rod; 403. a base; 5. automatically adjusting the underflow device; 501. blocking the ball; 502. a telescopic column; 5021. putting the column on; 5022. column descending; 503. a spring; 6. a cylindrical block; 7. a feed inlet; 8. a bolt; 9. a nut; 10. a screw hole; 11. a water inlet; 12. a lower mounting ring; 13. an upper mounting ring; 14. a valve; 15. a underflow port; 16. a groove; 17. salient points; 18. and (4) spiral threads.

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 to 4, in the embodiment of the present invention, a sand remover with an automatic underflow adjusting device comprises a cyclone chamber 1, a sand setting chamber 2 is detachably connected to the bottom of the cyclone chamber 1, a feed inlet 7 is arranged at the top of the cyclone chamber 1, a water inlet 11 is arranged on the outer side wall of the cyclone chamber 1, a underflow port 15 is arranged at the bottom of the cyclone chamber 1, a mounting frame 4 is detachably mounted at the bottom of the underflow port 15, an automatic underflow adjusting device 5 is welded at the top of the mounting frame 4, the automatic underflow adjusting device 5 comprises a ball plug 501, a telescopic column 502 and a spring 503, a telescopic column 502 is welded at the bottom of the ball plug 501, a spring 503 is sleeved on the outer side wall of the telescopic column 502, the sand setting chamber 2 comprises an outer layer 201, an intermediate layer 202 and an inner layer 203, the inner side wall of the outer layer 201 is provided with the intermediate layer 202, a groove 16 is arranged on the surface of the intermediate layer 202 and is in adaptive connection with the inner layer 203 through a groove 16 and a bump 17, spiral line 18 has been seted up to inlayer 203 inside wall, outer 201 is high chromium cast iron material, intermediate level 202 is the polyurethane material, inlayer 203 is made for ceramic material, the utility model discloses the desander with automatically regulated underflow device can be automatically according to how much the velocity of flow of adjusting underflow opening 15 of the indoor material of sand setting, the utility model discloses the desander with automatically regulated underflow device structure is firm, is made by the three-layer, can be under high temperature environment operation, comparatively stand wear and tear again.

Wherein, the welding of 1 bottom of spiral-flow chamber has down collar 12, collar 12 surface has seted up screw 10 down and can dismantle with last collar 13 through screw 10, bolt 8 and nut 9 and be connected down, go up collar 13 welding at 2 tops of grit chamber, bolted connection's mode is comparatively firm and easy to assemble and dismantlement.

The outer side wall of the sand setting chamber 2 is welded with a support 3, the bottom of the support 3 is welded with a cylindrical block 6, and a machine body can stand on the ground stably when being convenient for.

Wherein, the valve 14 is installed at the lower part of the underflow port 15, so that the valve 14 can be conveniently opened and closed to control the opening or closing of the underflow port 15.

The mounting frame 4 comprises a ring body 401, a vertical rod 402 and a base 403, the vertical rod 402 is welded to the bottom of the ring body 401, the base 403 is welded to the bottom of the vertical rod 402, and materials can flow out of gaps between the vertical rods 402.

The surface of the ring body 401 is provided with a screw hole 10 which is detachably connected with the bottom of the sand setting chamber 2 through the screw hole 10 and a bolt 8, so that the installation and the disassembly of the installation frame 4 and the automatic bottom flow adjusting device 5 on the upper part of the installation frame 4 are facilitated.

Wherein, flexible post 502 includes post 5021 and lower post 5022, go up post 5021 lateral wall lower part and lower post 5022 inside wall sliding connection, when flexible post 502 shortens, go up post 5021 and down post 5022 inside wall gliding, when flexible post 502 extends, go up post 5021 and slide on to the inside wall of lower post 5022.

The utility model discloses a theory of operation is: the mud is pumped into a desanding cyclone, and rotates at a high speed in the desander, light materials are discharged through an overflow pipe (the overflow pipe is not shown) under the action of centrifugal force, heavy materials (sand grains and the like) are discharged from a bottom flow port 15 downwards along the inner wall of a conical grit chamber 2 under the action of centrifugal force, sand grains swirling downwards are collected in a sand collecting hopper, when more materials are in the grit chamber 2, the sand flows to the bottom flow port 15, a blocking ball 501 is pressed downwards under the action of the gravity of the blocking ball 501, when the blocking ball 501 moves downwards, a telescopic column 502 is shortened, an upper column 5021 slides downwards towards the inner side wall of a lower column 5022, a spring 503 is compressed along the sliding direction of the upper column 5021 on the lower column 5022, the sand flows downwards from the bottom flow port 15, when the sand is reduced, the gravity of the sand is not light enough to press the blocking ball 501 downwards to the bottom end, the rebounding force of the spring 503 supports the blocking ball 501, so that the blocking ball 501 and the bottom flow port 15 only leaks out a small gap, the grit leaks down slowly from the gap, the utility model discloses desander structure with automatically regulated underflow device is firm, make by the three-layer, can be under high temperature environment the operation, it is comparatively stand wear and tear again, inlayer 203 is made for ceramic material, ceramic material chemical property is stable, hard, economy, high temperature resistance, but it is not wear-resisting, short service life, spiral line 18 has been seted up to inlayer 203 inside wall, it is rotatory along the direction of spiral line 18 to make the fluid, reduce the wearing and tearing of inlayer 203, prolong the life of inlayer 203, intermediate level 202 is the polyurethane material, wear-resisting, long service life can reach 4200 hours, the whirl effect is relatively better, but not high temperature resistant, after ceramic inlayer 203 is worn away, polyurethane intermediate level 202 sustainable work, need not the periodic replacement, it is very convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a desander with automatically regulated underflow device, includes swirl chamber (1), its characterized in that: can dismantle and be connected with sand setting chamber (2) bottom swirl chamber (1), feed inlet (7) have been seted up at swirl chamber (1) top, water inlet (11) have been seted up to swirl chamber (1) lateral wall, underflow opening (15) have been seted up to swirl chamber (1) bottom, but underflow opening (15) bottom demountable installation has mounting bracket (4), the welding of mounting bracket (4) top has automatically regulated underflow device (5), automatically regulated underflow device (5) is including stifled ball (501), flexible post (502) and spring (503), the welding of stifled ball (501) bottom has flexible post (502), spring (503) have been cup jointed to flexible post (502) lateral wall, sand setting chamber (2) are including outer (201), intermediate level (202) and inlayer (203), intermediate level (202) are installed to outer (201) inside wall, intermediate level (202) surface is seted up fluted (16) and is through recess (16) and bump (17) and inlayer (203), intermediate level (202) and surface (203) The spiral grain (18) have been seted up to adaptation connection, inlayer (203) inside wall, outer (201) are high chromium cast iron material, intermediate level (202) are the polyurethane material, inlayer (203) are made for ceramic material.

2. The desander with an automatically adjustable underflow apparatus as claimed in claim 1 wherein: the bottom of the cyclone chamber (1) is welded with a lower mounting ring (12), the surface of the lower mounting ring (12) is provided with a screw hole (10) and is detachably connected with an upper mounting ring (13) through the screw hole (10), a bolt (8) and a nut (9), and the upper mounting ring (13) is welded at the top of the sand setting chamber (2).

3. The desander with an automatically adjustable underflow apparatus as claimed in claim 1 wherein: the outer side wall of the sand setting chamber (2) is welded with a support (3), and the bottom of the support (3) is welded with a cylindrical block (6).

4. The desander with an automatically adjustable underflow apparatus as claimed in claim 1 wherein: and a valve (14) is arranged at the lower part of the underflow opening (15).

5. The desander with an automatically adjustable underflow apparatus as claimed in claim 1 wherein: mounting bracket (4) include ring body (401), montant (402) and base (403), the welding of ring body (401) bottom has montant (402), the welding has base (403) montant (402) bottom.

6. The desander with an automatically adjustable underflow apparatus of claim 5 further comprising: screw holes (10) are formed in the surface of the ring body (401) and are detachably connected with the bottom of the sand setting chamber (2) through the screw holes (10) and bolts (8).

7. The desander with an automatically adjustable underflow apparatus as claimed in claim 1 wherein: the telescopic column (502) comprises an upper column (5021) and a lower column (5022), and the lower portion of the outer side wall of the upper column (5021) is connected with the inner side wall of the lower column (5022) in a sliding mode.