CN105903581B - A kind of gas-liquid-solid three-phase cyclonic separation test system and test method - Google Patents
A kind of gas-liquid-solid three-phase cyclonic separation test system and test method Download PDFInfo
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- CN105903581B CN105903581B CN201610375106.9A CN201610375106A CN105903581B CN 105903581 B CN105903581 B CN 105903581B CN 201610375106 A CN201610375106 A CN 201610375106A CN 105903581 B CN105903581 B CN 105903581B
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- 239000007788 liquid Substances 0.000 claims abstract description 96
- 239000000203 mixture Substances 0.000 claims abstract description 26
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- 238000000926 separation method Methods 0.000 claims description 45
- 238000003756 stirring Methods 0.000 claims description 38
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C7/00—Apparatus not provided for in group B04C1/00, B04C3/00, or B04C5/00; Multiple arrangements not provided for in one of the groups B04C1/00, B04C3/00, or B04C5/00; Combinations of apparatus covered by two or more of the groups B04C1/00, B04C3/00, or B04C5/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C11/00—Accessories, e.g. safety or control devices, not otherwise provided for, e.g. regulators, valves in inlet or overflow ducting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
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Abstract
The invention discloses a kind of gas-liquid-solid three-phase cyclonic separation test system and test method, the system is by controlling the switch of each valve, it can carry out the separation test of different material blends, both the mixture separation test of solid-liquid, gas solid, liquid liquid, gas-liquid can individually have been completed, the separation test of gas-liquid-solid three-phase mixture can be completed again, substantially increase testing efficiency, reduce the testing time, simplify test operation, reduce the complexity of test step, meanwhile the present invention also sets up circulator, for carrying out recycling for material.
Description
Technical Field
The invention belongs to the technical field of mixture separation testing, and particularly relates to a gas-liquid-solid three-phase cyclone separation testing system and a testing method.
Background
Since the twenty-first century, the contradiction between economic development and energy supply is increasingly prominent, safety, high efficiency, economy and environmental protection become the subjects of industrial development, and how to more efficiently separate mixtures becomes the problem of research in many industries. The separation of the mixture, including solid-liquid separation, gas-solid separation, and gas-liquid-solid separation, is a problem that is particularly prominent in some energy industries.
Disclosure of Invention
The invention aims to provide a gas-liquid-solid three-phase cyclone separation test system and a test method, which can test the separation of mixtures, can meet the separation test of various mixtures in one system, are convenient to operate and greatly save time.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a gas-liquid-solid three-phase cyclone separation test system comprises a gas-liquid-solid mixing separation device, a circulating device and a controller; wherein,
the gas-liquid-solid mixing and separating device comprises an air compressor for providing small air inflow, an air blower for providing large air inflow, a solid feeder for providing solids, a stirring tank for providing liquid, a mixing tank, a cyclone separator and a solid recycling tank, wherein the air compressor is connected with an inlet of the mixing tank through a first buffer tank, a first pressure regulating valve, a first stop valve and a third flow meter, the air blower is connected with an inlet of the mixing tank through a fourth stop valve and a third flow meter, the solid feeder is connected with an inlet of the mixing tank through a second pressure regulating valve and a second stop valve, the stirring tank is connected with an inlet of the mixing tank through a pump, a third pressure regulating valve, a second buffer tank, a first flow meter and a third stop valve, an outlet of the mixing tank is connected with an inlet of the cyclone separator through a feeding pipeline, and an outlet of an overflow pipe of the cyclone separator is connected with an upper discharging pipeline, the bottom outlet of the stirring tank is connected with a lower discharge pipeline, the lower discharge pipeline is respectively connected with a solid recovery tank through a fifth stop valve and is connected with a stirring tank through a fourth pressure regulating valve and a second flow meter, a stirrer is arranged in the stirring tank, and a first differential pressure meter, a second differential pressure meter, a third differential pressure meter, a fourth differential pressure meter and a fifth differential pressure meter are respectively arranged on the first buffer tank, the second buffer tank, the feeding pipeline, the upper discharge pipeline and the lower discharge pipeline;
the circulating device comprises a micro separator and a fan, an inlet of the micro separator is connected with an upper discharge pipeline, an upper outlet of the micro separator is connected with the fan through a sixth stop valve, and a lower outlet of the micro separator is connected with the stirring box through a circulating pipeline;
the controller is connected with all the flow meters and the differential pressure meter.
According to the technical scheme, the second buffer tank is connected with the stirring box through the fifth pressure regulating valve.
According to the technical scheme, the middle part of the circulating pipeline is connected with a liquid recovery tank through a seventh stop valve.
Correspondingly, the invention provides a gas-liquid-solid three-phase cyclone separation testing method based on the system, which comprises the following steps:
when a gas-solid separation test is carried out, according to the requirement of air inflow, a blower or an air compressor is started, a corresponding fourth stop valve or a corresponding first pressure regulating valve and a corresponding first stop valve are opened, a second pressure regulating valve, a second stop valve, a fifth stop valve and a sixth stop valve are simultaneously opened, other stop valves and other pressure regulating valves are closed, gas enters a mixing box through the blower or the air compressor and solids through a solid feeder and uniformly mixed and then enters a cyclone separator, the gas enters a micro separator through an upper discharge pipeline through an overflow pipe of the cyclone separator and finally is discharged through a fan, the solids enter a solid recovery box through a lower discharge pipeline through a bottom outlet of the cyclone separator, and the controller controls the corresponding pressure regulating valves according to data sent by a third flow meter, a first pressure difference meter, a third pressure difference meter, a fourth pressure difference meter and a fifth pressure difference meter;
when liquid-liquid separation is carried out, the two liquids are liquids with different densities and are not mutually soluble, a third pressure regulating valve, a third stop valve and a fourth pressure regulating valve are opened, other stop valves and other pressure regulating valves are closed, the liquid mixture is uniformly mixed in a stirring tank and is conveyed by a pump to a mixing tank through a second buffer tank and then enters a cyclone separator to realize the separation of the liquids, the liquid with the higher density enters the stirring tank from a lower discharge pipeline through an outlet at the bottom of the cyclone separator, the liquid with the lower density enters a micro-separator from an upper discharge pipeline through an overflow pipe of the cyclone separator and then enters the stirring tank through a circulating pipeline, and the controller controls the corresponding pressure regulating valves according to data sent by a first flow meter, a second pressure difference meter, a third pressure difference meter, a fourth pressure difference meter and a fifth pressure difference meter;
when liquid-solid separation is carried out, a second pressure regulating valve, a second stop valve, a third pressure regulating valve, a third stop valve and a fifth stop valve are opened, other stop valves and other pressure regulating valves are closed, solid is conveyed by a solid feeder and a liquid by a pump, enters a mixing tank through a second buffer tank, is uniformly mixed and then enters a cyclone separator, the liquid enters a micro separator from an upper discharge pipeline through an overflow pipe of the cyclone separator and finally enters a stirring tank through a circulating pipeline, the solid enters a solid recovery tank from a lower discharge pipeline through an outlet at the bottom of the cyclone separator, and the controller controls the corresponding pressure regulating valves according to data sent by a first flowmeter, a second pressure difference meter, a third pressure difference meter, a fourth pressure difference meter and a fifth pressure difference meter;
when gas-liquid separation is carried out, the blower or the air compressor is started according to the requirement of the air inflow, the corresponding fourth stop valve or the first pressure regulating valve and the first stop valve are opened, simultaneously opening a third pressure regulating valve, a third stop valve and a fourth pressure regulating valve, closing other stop valves and pressure regulating valves, conveying gas through a blower or an air compressor and liquid through a pump, feeding the gas into a mixing tank through a second buffer tank, mixing the gas uniformly, feeding the gas into a cyclone separator, feeding the gas into a micro separator through an overflow pipe of the cyclone separator from an upper discharge pipeline, discharging the gas through a fan, feeding the liquid into a stirring tank through a lower discharge pipeline through an outlet at the bottom of the cyclone separator, the controller controls the corresponding pressure regulating valve according to data sent by the first flow meter, the second flow meter, the third flow meter, the first differential pressure meter, the second differential pressure meter, the third differential pressure meter, the fourth differential pressure meter and the fifth differential pressure meter;
when gas-liquid-solid separation is carried out, the fourth pressure regulating valve is closed, other pressure regulating valves and stop valves are opened, a blower or an air compressor is started according to the requirement of air inflow, gas passes through the blower or the air compressor, solid passes through a solid feeder, liquid is conveyed by a pump, enters a mixing box through a second buffer tank, is uniformly mixed and then enters a cyclone separator, and the mixture of the gas and the liquid enters a micro separator from an upper discharge pipeline through an overflow pipe of the cyclone separator for re-separation, the gas is discharged by a fan, the liquid enters the stirring tank through a circulating pipeline, the solid enters the solid recovery tank from a lower discharge pipeline through the bottom outlet of the cyclone separator, and the controller controls the corresponding pressure regulating valve according to data sent by the first flowmeter, the second flowmeter, the third flowmeter, the first differential pressure meter, the second differential pressure meter, the third differential pressure meter, the fourth differential pressure meter and the fifth differential pressure meter.
According to the technical scheme, when liquid-liquid separation, liquid-solid separation or gas-liquid-solid separation is carried out and liquid samples need to be collected, the seventh stop valve is opened, and part of liquid enters the liquid recovery box.
According to the technical scheme, when liquid-liquid separation and gas-liquid separation are carried out and liquid samples need to be collected, the fifth stop valve is opened, and part of liquid enters the solid recovery box.
The invention has the following beneficial effects: the invention can separate and test mixtures in different material states by controlling the opening and closing of each valve, can independently complete the separation test of the mixtures of solid-liquid, gas-solid, liquid-liquid and gas-liquid, and can also complete the separation test of the gas-liquid-solid three-phase mixture, thereby greatly improving the test efficiency, reducing the test time, simplifying the test operation and reducing the complexity of the test procedure.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the figure: 1-fan, 2-micro separator, 4-cyclone separator, 5-mixing box, 6-solid feeder, 7-first buffer tank, 8-air compressor, 9-first flowmeter, 10-second flowmeter, 11-second buffer tank, 12-pump, 13-feeding pipeline, 14-upper discharging pipeline, 15-lower discharging pipeline, 16-circulating pipeline, 17-solid recovery box, 18-liquid recovery box, 19-blower, 20-stirring box, 21-third flowmeter, 22-first differential pressure meter, 23-second differential pressure meter, 24-third differential pressure meter, 25-fourth differential pressure meter, 26-fifth differential pressure meter, a-sixth stop valve, c-second stop valve, d-third stop valve, f-a fifth stop valve, j-a first stop valve, k-a fourth stop valve, m-a seventh stop valve, b-a second pressure regulating valve, e-a fourth pressure regulating valve, g-a fifth pressure regulating valve, h-a third pressure regulating valve, i-a first pressure regulating valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In a preferred embodiment of the invention, as shown in fig. 1, a gas-liquid-solid three-phase cyclone separation test system comprises a gas-liquid-solid mixing and separating device, a circulating device and a controller; wherein,
the gas-liquid-solid mixing and separating device comprises an air compressor 8 for providing a small air inflow, a blower 19 for providing a large air inflow, a solid feeder 6 for providing solids, a stirring tank 20 for providing liquid, a mixing tank 5, a cyclone 4 and a solid recovery tank 17, wherein the air compressor 8 is connected with the inlet of the mixing tank 5 through a first buffer tank 7, a first pressure regulating valve i, a first stop valve j and a third flow meter 21, the blower 19 is connected with the inlet of the mixing tank 5 through a fourth stop valve k and a third flow meter 21, the solid feeder 6 is connected with the inlet of the mixing tank 5 through a second pressure regulating valve b and a second stop valve c, the stirring tank 20 is connected with the inlet of the mixing tank 5 through a pump 12, a third pressure regulating valve h, a second buffer tank 11, a first flow meter 9 and a third stop valve d, the outlet of the mixing tank 5 is connected with the inlet of the cyclone 4 through a feeding pipeline 13, an outlet of an overflow pipe of the cyclone separator 4 is connected with an upper discharge pipeline 14, an outlet at the bottom of the cyclone separator is connected with a lower discharge pipeline 15, the lower discharge pipeline 15 is respectively connected with a solid recovery tank 17 through a fifth stop valve f, and is connected with a stirring tank 20 through a fourth pressure regulating valve e and a second flow meter 10, a stirrer is arranged in the stirring tank 20, and a first pressure difference meter 22, a second pressure difference meter 23, a third pressure difference meter 24, a fourth pressure difference meter 25 and a fifth pressure difference meter 26 are respectively arranged on the first buffer tank 7, the second buffer tank 11, the feeding pipeline 13, the upper discharge pipeline 14 and the lower discharge pipeline 15;
the circulating device comprises a micro-separator 2 and a fan 1, the inlet of the micro-separator 2 is connected with an upper discharge pipeline 14, the upper outlet of the micro-separator 2 is connected with the fan 1 through a sixth stop valve a, the lower outlet of the micro-separator 2 is connected with a stirring box 20 through a circulating pipeline 16, and the circulating device is used for extracting substances separated from the upper part of the cyclone separator, further separating the substances and recycling the substances again;
the controller 27 is connected to all the flow meters and the differential pressure meter.
In a preferred embodiment of the present invention, as shown in fig. 1, the second buffer tank 11 is connected to the agitation tank 20 through a fifth pressure regulating valve g.
In the preferred embodiment of the present invention, as shown in fig. 1, the middle portion of the circulation pipe 16 is connected to a liquid recovery tank 18 through a seventh shut-off valve m.
As shown in FIG. 1, a gas-liquid-solid three-phase cyclone separation test method comprises the following steps:
when gas-solid separation test is carried out, according to the requirement of air inflow (when the requirement of air inflow is larger, the blower 19 is used for gas transmission, when the requirement of air inflow is not larger, the air compressor 8 is used for gas transmission), the blower 19 or the air compressor 8 is started, a corresponding fourth stop valve k or a first pressure regulating valve i and a first stop valve j are opened, a second pressure regulating valve b, a second stop valve c, a fifth stop valve f and a sixth stop valve a are opened at the same time, other stop valves and pressure regulating valves are closed, gas enters the mixing box 5 through the blower 19 or the air compressor 8 and solid feeder 6 and is uniformly mixed and then enters the cyclone separator 4, gas enters the micro separator 2 through the upper discharge pipeline 14 through an overflow pipe of the cyclone separator 4 and is finally discharged through the blower 1, and solid enters the solid recovery box 17 through the lower discharge pipeline 15 through the bottom outlet of the cyclone separator 4, the controller controls the corresponding pressure regulating valve according to the data sent by the third flow meter 21, the first differential pressure meter 22, the third differential pressure meter 24, the fourth differential pressure meter 25 and the fifth differential pressure meter 26;
when liquid-liquid separation is carried out, two liquids are liquids with different densities and are not mutually soluble, the third pressure regulating valve h, the third stop valve d and the fourth pressure regulating valve e are opened, other stop valves and the pressure regulating valves are closed, the liquid mixture is uniformly mixed in the stirring tank 20, the liquid mixture is conveyed by the pump 12 to the mixing tank 5 through the second buffer tank 11 and then enters the cyclone separator 4 to realize the separation of the liquid, the liquid with the higher density enters the stirring tank 20 from the lower discharge pipeline 15 through the bottom outlet of the cyclone separator 4, the liquid with the lower density enters the micro separator 2 from the upper discharge pipeline 14 through the overflow pipe of the cyclone separator 4 and then enters the stirring tank 20 through the circulating pipeline 16, the controller controls the corresponding pressure regulating valve according to the data sent by the first flow meter 9, the second flow meter 10, the second differential pressure meter 23, the third differential pressure meter 24, the fourth differential pressure meter 25 and the fifth differential pressure meter 26;
when liquid-solid separation is carried out, a second pressure regulating valve b, a second stop valve c, a third pressure regulating valve h, a third stop valve d and a fifth stop valve f are opened, other stop valves and other pressure regulating valves are closed, solid is conveyed by a solid feeder 6 and liquid by a pump 12 and enters a mixing box 5 through a second buffer tank 11 to be uniformly mixed and then enters a cyclone separator 4, liquid enters a micro separator 2 from an upper discharge pipeline 14 through an overflow pipe of the cyclone separator 4 and finally enters a stirring box 20 through a circulating pipeline 16, solid enters a solid recovery box 17 from a lower discharge pipeline 15 through a bottom outlet of the cyclone separator 4, and a controller controls the corresponding pressure regulating valves according to data sent by a first flow meter 9, a second pressure difference meter 23, a third pressure difference meter 24, a fourth pressure difference meter 25 and a fifth pressure difference meter 26;
when gas-liquid separation is carried out, according to the requirement of air inflow, a blower 19 or an air compressor 8 is started, a corresponding fourth stop valve k or a corresponding first pressure regulating valve i and a corresponding first stop valve j are opened, a third pressure regulating valve h, a third stop valve d and a fourth pressure regulating valve e are simultaneously opened, other stop valves and other pressure regulating valves are closed, gas is conveyed by a pump 12 through the blower 19 or the air compressor 8 and liquid through a second buffer tank 11 into a mixing box 5 to be uniformly mixed and then enters a cyclone separator 4, gas enters a micro-separator 2 from an upper discharge pipeline 14 through an overflow pipe of the cyclone separator 4 and finally is discharged by a blower 1, liquid enters a stirring box 20 from a lower discharge pipeline 15 through a bottom outlet of the cyclone separator 4, and a controller is controlled according to a first flow meter 9, a second flow meter 10, a third flow meter 21, a first differential pressure meter 22, a second differential pressure meter 23 and a third differential meter 24, The data sent by the fourth differential pressure gauge 25 and the fifth differential pressure gauge 26 control the corresponding pressure regulating valves;
when gas-liquid-solid separation is carried out, the fourth pressure regulating valve e is closed, other pressure regulating valves and stop valves are opened, a blower 19 or an air compressor 8 is started according to the requirement of air inflow, gas is conveyed by the blower 19 or the air compressor 8, solid is conveyed by a solid feeder 6 and liquid by a pump 12 and enters a mixing box 5 through a second buffer tank 11 to be uniformly mixed and then enters a cyclone separator 4, the gas and liquid mixture enters a micro separator 2 from an upper discharge pipeline 14 through an overflow pipe of the cyclone separator 4 to be re-separated, the gas is discharged by the blower 1, the liquid enters a stirring box 20 through a circulating pipeline 16, the solid enters a solid recovery box 17 from a lower discharge pipeline 15 through a bottom outlet of the cyclone separator 4, and a controller controls the pressure regulating valves according to a first flowmeter 9, a second flowmeter 10, a third flowmeter 21, a first pressure differential gauge 22, a second pressure differential gauge 23 and a third pressure differential gauge 24, The data sent by the fourth differential pressure gauge 25 and the fifth differential pressure gauge 26 control the corresponding pressure regulating valves.
In the preferred embodiment of the present invention, as shown in fig. 1, when liquid sample collection is required for liquid-liquid separation, liquid-solid separation or gas-liquid-solid separation, the seventh stop valve m is opened and a part of the liquid enters the liquid recovery tank 18.
In the preferred embodiment of the present invention, as shown in fig. 1, when the liquid sample is collected for liquid-liquid separation, gas-liquid separation, the fifth stop valve f is opened, and a part of the liquid enters the solid recovery tank 17.
The invention carries out separation test of mixture in different material states by adjusting and connecting each passage of the system, can independently complete separation test of mixture of solid-liquid, gas-solid, liquid-liquid and gas-liquid, and can complete separation test of gas-liquid-solid three-phase mixture, thereby greatly simplifying test operation. The testing steps of the present invention are broadly divided into mixing of materials, separation of mixtures, and extraction of separated materials. Wherein, the mixing of gas-solid, liquid-liquid and solid-liquid is completed in respective independent systems, and the mixed gas enters a cyclone separator for separation test of the mixture. When the separation test of the gas-solid mixture is required, a stop valve on the stirring box is closed to cut off the connection of the two systems, then the gas-solid mixture is simulated through the conveying of compressed air and solid materials, and then the separation test is carried out in a cyclone. When the separation test of liquid-liquid and solid-liquid mixture is carried out, the shut-off valve which does not participate in the operation needs to be closed to cut off the connection between the systems. If the separation test of the gas-liquid-solid mixture needs to be carried out, the gas-solid mixing system and the liquid-liquid mixing system are communicated only by opening the stop valve, are uniformly mixed in the communicated mixer and are then connected into the cyclone separator, and the separation test of the three-phase mixture can be completed.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (4)
1. A gas-liquid-solid three-phase cyclone separation test system is characterized by comprising a gas-liquid-solid mixing separation device, a circulating device and a controller; wherein,
the gas-liquid-solid mixing and separating device comprises an air compressor (8) for providing a small air inflow, an air blower (19) for providing a large air inflow, a solid feeder (6) for providing solids, a stirring box (20) for providing liquid, a mixing box (5), a cyclone separator (4) and a solid recovery box (17), wherein the air compressor (8) is connected with an inlet of the mixing box (5) through a first buffer tank (7), a first pressure regulating valve (i), a first stop valve (j) and a third flow meter (21), the air blower (19) is connected with an inlet of the mixing box (5) through a fourth stop valve (k) and the third flow meter (21), the solid feeder (6) is connected with an inlet of the mixing box (5) through a second pressure regulating valve (b) and a second stop valve (c), and the stirring box (20) is connected with a pump (12), A third pressure regulating valve (h), a second buffer tank (11), a first flow meter (9) and a third stop valve (d) are connected with an inlet of a mixing box (5), the second buffer tank (11) is connected with a stirring box (20) through a fifth pressure regulating valve (g), an outlet of the mixing box (5) is connected with an inlet of a cyclone separator (4) through a feeding pipeline (13), an overflow pipe outlet of the cyclone separator (4) is connected with an upper discharge pipeline (14), a bottom outlet of the cyclone separator is connected with a lower discharge pipeline (15), the lower discharge pipeline (15) is respectively connected with a solid recovery box (17) through a fifth stop valve (f), and is connected with the stirring box (20) through a fourth pressure regulating valve (e) and a second flow meter (10), a stirrer is arranged in the stirring box (20), and the first buffer tank (7), the second buffer tank (11) and the third stop valve (d), A first differential pressure meter (22), a second differential pressure meter (23), a third differential pressure meter (24), a fourth differential pressure meter (25) and a fifth differential pressure meter (26) are respectively arranged on the feeding pipeline (13), the upper discharging pipeline (14) and the lower discharging pipeline (15);
the circulating device comprises a micro separator (2) and a fan (1), wherein an inlet of the micro separator (2) is connected with an upper discharge pipeline (14), an upper outlet of the micro separator (2) is connected with the fan (1) through a sixth stop valve (a), a lower outlet of the micro separator (2) is connected with a stirring tank (20) through a circulating pipeline (16), and the middle part of the circulating pipeline (16) is connected with a liquid recovery tank (18) through a seventh stop valve (m);
the controller (27) is connected with all the flow meters and the differential pressure meter.
2. A gas-liquid-solid three-phase cyclone separation test method based on the system of claim 1 is characterized by comprising the following steps:
when gas-solid separation test is carried out, according to the requirement of air inflow, a blower (19) or an air compressor (8) is started, a corresponding fourth stop valve (k) or a first pressure regulating valve (i) and a first stop valve (j) are opened, a second pressure regulating valve (b), a second stop valve (c), a fifth stop valve (f) and a sixth stop valve (a) are opened at the same time, other stop valves and pressure regulating valves are closed, gas enters a mixing box (5) through the blower (19) or the air compressor (8) and solid through a solid feeder (6) to be uniformly mixed and then enters a cyclone separator (4), gas enters a micro separator (2) from an upper discharge pipeline (14) through an overflow pipe of the cyclone separator (4) and is finally discharged through a blower (1), and solid enters a solid recovery box (17) from a lower discharge pipeline (15) through a bottom outlet of the cyclone separator (4), the controller controls the corresponding pressure regulating valve according to data sent by the third flow meter (21), the first differential pressure meter (22), the third differential pressure meter (24), the fourth differential pressure meter (25) and the fifth differential pressure meter (26);
when liquid-liquid separation is carried out, two liquids are liquids with different densities and are not mutually soluble, the third pressure regulating valve (h), the third stop valve (d) and the fourth pressure regulating valve (e) are opened, other stop valves and other pressure regulating valves are closed, the liquid mixture is uniformly mixed in the stirring tank (20), the liquid mixture is conveyed by the pump (12) through the second buffer tank (11) to the mixing tank (5) and then enters the cyclone separator (4) to realize the liquid separation, the liquid with the higher density enters the stirring tank (20) from the lower discharge pipeline (15) through the bottom outlet of the cyclone separator (4), the liquid with the lower density enters the micro separator (2) from the upper discharge pipeline (14) through the overflow pipe of the cyclone separator (4) and then enters the stirring tank (20) through the circulating pipeline (16), and the controller is based on the first flowmeter (9), the second flowmeter (10), the second differential pressure gauge (23) and the fourth pressure regulating valve (e), The data sent by the third differential pressure gauge (24), the fourth differential pressure gauge (25) and the fifth differential pressure gauge (26) control the corresponding pressure regulating valves;
when liquid-solid separation is carried out, a second pressure regulating valve (b), a second stop valve (c), a third pressure regulating valve (h), a third stop valve (d) and a fifth stop valve (f) are opened, other stop valves and other pressure regulating valves are closed, solid passes through a solid feeder (6), liquid is conveyed by a pump (12) and enters a mixing box (5) through a second buffer tank (11) to be uniformly mixed and then enters a cyclone separator (4), liquid enters a micro separator (2) from an upper discharge pipeline (14) through an overflow pipe of the cyclone separator (4) and finally enters a stirring box (20) through a circulating pipeline (16), solid enters a solid recovery box (17) from a lower discharge pipeline (15) through a bottom outlet of the cyclone separator (4), and the controller is used for controlling the liquid-solid separation according to a first flow meter (9), a second pressure difference meter (23), a third pressure difference meter (24), a fourth pressure difference meter (25), The data sent by the fifth differential pressure meter (26) controls the corresponding pressure regulating valve;
when gas-liquid separation is carried out, according to the requirement of air inflow, a blower (19) or an air compressor (8) is started, a corresponding fourth stop valve (k) or a corresponding first pressure regulating valve (i) and a corresponding first stop valve (j) are opened, a third pressure regulating valve (h), a third stop valve (d) and a fourth pressure regulating valve (e) are simultaneously opened, other stop valves and other pressure regulating valves are closed, gas passes through the blower (19) or the air compressor (8), liquid is conveyed by a pump (12) and enters a mixing box (5) through a second buffer tank (11) to be uniformly mixed and then enters a cyclone separator (4), gas passes through an overflow pipe of the cyclone separator (4) and enters a micro separator (2) from an upper discharge pipeline (14) and is finally discharged by a fan (1), liquid passes through a bottom outlet of the cyclone separator (4) and enters a stirring box (20) from a lower discharge pipeline (15), and the controller is used for controlling the gas-liquid separation according to the first flow meter (9), The data sent by the second flowmeter (10), the third flowmeter (21), the first differential pressure meter (22), the second differential pressure meter (23), the third differential pressure meter (24), the fourth differential pressure meter (25) and the fifth differential pressure meter (26) control corresponding pressure regulating valves;
when gas-liquid-solid separation is carried out, the fourth pressure regulating valve (e) is closed, other pressure regulating valves and stop valves are opened, according to the requirement of the air inflow, an air blower (19) or an air compressor (8) is started, gas enters a mixing box (5) through the air blower (19) or the air compressor (8), solid enters a solid feeder (6), liquid is conveyed by a pump (12) and enters a cyclone separator (4) through a second buffer tank (11), the gas and liquid mixture enters a micro separator (2) from an upper discharge pipeline (14) through an overflow pipe of the cyclone separator (4) for re-separation, the gas is discharged through a fan (1), the liquid enters a stirring box (20) through a circulating pipeline (16), the solid enters a solid recovery box (17) from a lower discharge pipeline (15) through a bottom outlet of the cyclone separator (4), and the controller is used for controlling the gas-liquid separator according to a first flow meter (9), And the data sent by the second flowmeter (10), the third flowmeter (21), the first differential pressure meter (22), the second differential pressure meter (23), the third differential pressure meter (24), the fourth differential pressure meter (25) and the fifth differential pressure meter (26) control the corresponding pressure regulating valves.
3. Gas-liquid-solid three-phase cyclone separation test method according to claim 2, wherein when liquid-liquid separation, liquid-solid separation or gas-liquid-solid separation is performed and liquid samples need to be collected, the seventh stop valve (m) is opened, and part of liquid enters the liquid recovery tank (18).
4. The gas-liquid-solid three-phase cyclone separation test method according to claim 2, wherein when liquid-liquid separation and gas-liquid separation are performed and liquid samples need to be collected, the fifth stop valve (f) is opened, and part of liquid enters the solid recovery tank (17).
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| CN115560972B (en) * | 2022-10-24 | 2023-08-08 | 四川新川航空仪器有限责任公司 | Oil-gas separation performance evaluation test method with gesture simulation function |
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