CN215085347U - Energy-efficient negative pressure shale shaker - Google Patents
Energy-efficient negative pressure shale shaker Download PDFInfo
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- CN215085347U CN215085347U CN202120985387.6U CN202120985387U CN215085347U CN 215085347 U CN215085347 U CN 215085347U CN 202120985387 U CN202120985387 U CN 202120985387U CN 215085347 U CN215085347 U CN 215085347U
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- negative pressure
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- separation device
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Abstract
The utility model provides an energy-efficient negative pressure shale shaker relates to well drilling technical field. This energy-efficient negative pressure shale shaker includes that negative pressure liquid phase collects chamber and gas-liquid separation device (4), negative pressure liquid phase collects the chamber and includes screen cloth (1), collection thick liquid fill (2) and coupling hose (3), collection thick liquid fill (2) upper portion is equipped with screen cloth (1), the lower part is through coupling hose (3) and gas-liquid separation device (4) sealing connection, suction opening (8) have been seted up at gas-liquid separation device (4) middle part, liquid phase export (9) have been seted up to the bottom, inlet (7) have been seted up at the top, liquid phase export (9) are connected with fluid-discharge tube (6), fluid-discharge tube (6) insert under jar interior liquid level (10) when operating condition, suction opening (8) are connected with negative pressure suction device through suction pipeline (5). The utility model provides a drilling fluid lead to the technical problem of conventional valve inefficacy.
Description
Technical Field
The utility model relates to a well drilling technical field, concretely relates to energy-efficient negative pressure shale shaker.
Background
In recent years, with continuous innovation and development of oil drilling solid control equipment, an oil drilling vibrating screen is used as key equipment of an oil drilling solid control system, and new equipment and new technology are more and more widely applied. When the vibrating screen is used, the drilling fluid passes through the screen mainly by means of the exciting force of the vibration acceleration of the screen box on the drilling fluid. In order to make the drilling fluid on the vibrating screen have stronger sieving capability and improve the handling capacity, in order to make the liquid content of the drilling cuttings on the screen less and reduce the loss amount of the drilling fluid, the vibration strength of the vibrating screen is generally increased, but the increased vibration strength can increase the secondary crushing of the drilling cuttings, and simultaneously, the impact force of solid-phase rock debris and the like contained in the drilling fluid on the screen is increased, so that the service life of the screen is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide an energy-efficient negative pressure shale shaker. Through setting up gas-liquid separation device and negative pressure suction device, guaranteed the reliability of solid-liquid separation operation under the negative pressure state, solved the drilling fluid and leaded to the technical problem of conventional valve inefficacy.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an energy-efficient negative pressure shale shaker, includes that negative pressure liquid phase collects chamber and gas-liquid separation device, wherein:
the negative pressure liquid phase collecting cavity comprises a screen, a pulp collecting hopper and a connecting hose;
the upper part of the slurry collecting hopper is provided with a screen, and the lower part of the slurry collecting hopper is hermetically connected with a gas-liquid separation device through a connecting hose to form a closed space except the screen of the screen;
the middle part of the gas-liquid separation device is provided with an air suction opening, the bottom of the gas-liquid separation device is provided with a liquid phase outlet, and the top of the gas-liquid separation device is provided with a liquid inlet;
the liquid phase outlet is connected with a liquid discharge pipe, and the liquid discharge pipe is inserted below the liquid level in the tank in a working state;
the air suction opening is connected with the negative pressure suction device through an air suction pipeline.
Alternatively or preferably, the negative pressure suction device is a large-displacement fan which can make the inner cavity in a negative pressure state.
Alternatively or preferably, the number of the liquid inlet is one or more.
Based on the technical scheme, the following technical effects can be generated:
the utility model provides a pair of energy-efficient negative pressure shale shaker increases the sieve ability that passes through of oil drilling fluid, reduces the consumption of drilling fluid, makes the liquid content of drill chip still less. The utility model discloses an add negative pressure suction device and gas-liquid separation device on traditional shale shaker, make the air that flows at a high speed and the mud after the screening can effectively separate under low negative pressure state, make the liquid content of the detritus that solid-liquid separation efficiency is higher, after the screening lower, the export of fluid-discharge tube can make the inner chamber be in the enclosed state under arranging jar body liquid level in. The utility model discloses make and guaranteed the reliability of solid-liquid separation operation under negative pressure state, solved the drilling fluid and leaded to the technical problem of conventional valve inefficacy, and compare in vacuum belt filter formula negative pressure shale shaker, its manufacturing cost and maintenance cost have reduced 3-4 times.
Drawings
Fig. 1 is a schematic structural view (front view) of the present invention;
fig. 2 is a schematic structural view (axonometric view) of the present invention;
in the figure: 1-screen mesh, 2-slurry collecting hopper, 3-connecting hose, 4-gas-liquid separating device, 5-air suction pipeline, 6-liquid discharge pipe, 7-liquid inlet, 8-air suction opening, 9-liquid phase outlet and 10-liquid level in tank.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-2:
the utility model provides an energy-efficient negative pressure shale shaker, collect chamber and gas-liquid separation device 4 including the negative pressure liquid phase, wherein:
the negative pressure liquid phase collecting cavity comprises a screen mesh 1, a slurry collecting hopper 2 and a connecting hose 3;
the upper part of the slurry collecting hopper 2 is provided with a screen mesh 1, and the lower part of the slurry collecting hopper is hermetically connected with a gas-liquid separation device 4 through a connecting hose 3 to form a closed space except the screen mesh of the screen mesh 1;
the middle part of the gas-liquid separation device 4 is provided with an air suction opening 8, the bottom part is provided with a liquid phase outlet 9, and the top part is provided with a liquid inlet 7;
the liquid phase outlet 9 is connected with a liquid discharge pipe 6, and the liquid discharge pipe 6 is inserted below the liquid level 10 in the tank in a working state;
and the air suction opening 8 is connected with a negative pressure suction device through an air suction pipeline 5, so that a proper amount of negative pressure is formed in the inner cavity of the gas-liquid separation device 4 and the pipeline.
Alternatively or preferably, the negative pressure suction device is a large-displacement fan which can make the inner cavity in a negative pressure state.
Alternatively or preferably, the bottom surface of the pulp collecting hopper 2 is a slope.
Alternatively or preferably, the bottom surface of the gas-liquid separation device 4 is sloped to facilitate the collection of the liquid phase to the bottommost position.
As an alternative or preferred embodiment, the number of loading ports 7 is one or more.
The utility model provides a high-efficient energy-conserving negative pressure shale shaker's working process as follows: when the high-efficiency energy-saving negative pressure vibrating screen works, the screen box and the box net slurry collecting hopper 2 vibrate together, drilling fluid or slurry discharged from a wellhead enters a negative pressure liquid phase collecting cavity, the negative pressure suction device is connected to an air suction opening 8 through an air suction pipeline 5 to forcibly suck air, under the action of negative pressure, liquid enters a gas-liquid separation device 4 through a connecting hose 3 along with an air flow from an outlet of the slurry collecting hopper 2 through a screen 1, and under the action of gravity, the liquid phase flows to the middle bottom along the inclined surface and flows below the liquid level in the tank through a liquid discharge pipe 6. The gas is exhausted through the negative pressure suction device through the suction opening 8 of the gas-liquid separation device 4 and the suction pipeline 5.
Claims (3)
1. The utility model provides an energy-efficient negative pressure shale shaker which characterized in that: including negative pressure liquid phase collection chamber and gas-liquid separation equipment (4), wherein:
the negative pressure liquid phase collecting cavity comprises a screen (1), a slurry collecting hopper (2) and a connecting hose (3);
the upper part of the slurry collecting hopper (2) is provided with a screen (1), and the lower part of the slurry collecting hopper is hermetically connected with a gas-liquid separation device (4) through a connecting hose (3);
an air suction opening (8) is formed in the middle of the gas-liquid separation device (4), a liquid phase outlet (9) is formed in the bottom of the gas-liquid separation device, and a liquid inlet (7) is formed in the top of the gas-liquid separation device;
the liquid phase outlet (9) is connected with a liquid discharge pipe (6), and the liquid discharge pipe (6) is inserted below the liquid level (10) in the tank in a working state;
the air suction opening (8) is connected with a negative pressure suction device through an air suction pipeline (5).
2. The high-efficiency energy-saving negative pressure vibrating screen as claimed in claim 1, characterized in that: the negative pressure suction device is a large-displacement fan which can enable the inner cavity to be in a negative pressure state.
3. The high-efficiency energy-saving negative pressure vibrating screen as claimed in claim 1, characterized in that: the number of the liquid inlet (7) is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985387.6U CN215085347U (en) | 2021-05-10 | 2021-05-10 | Energy-efficient negative pressure shale shaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120985387.6U CN215085347U (en) | 2021-05-10 | 2021-05-10 | Energy-efficient negative pressure shale shaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215085347U true CN215085347U (en) | 2021-12-10 |
Family
ID=79295241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120985387.6U Active CN215085347U (en) | 2021-05-10 | 2021-05-10 | Energy-efficient negative pressure shale shaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215085347U (en) |
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2021
- 2021-05-10 CN CN202120985387.6U patent/CN215085347U/en active Active
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