CN211044726U - Vertical rising riser gas-liquid two-phase flow experimental device - Google Patents

Vertical rising riser gas-liquid two-phase flow experimental device Download PDF

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Publication number
CN211044726U
CN211044726U CN201922406220.5U CN201922406220U CN211044726U CN 211044726 U CN211044726 U CN 211044726U CN 201922406220 U CN201922406220 U CN 201922406220U CN 211044726 U CN211044726 U CN 211044726U
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China
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pipeline
gas
transparent observation
water
liquid
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CN201922406220.5U
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Chinese (zh)
Inventor
孙小红
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Beihai Vocational College
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Beihai Vocational College
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Abstract

The utility model relates to a gas-liquid two-phase flow experimental facilities discloses a riser gas-liquid two-phase flow experimental apparatus rises perpendicularly. The utility model discloses in, riser gas-liquid two-phase flow experimental apparatus that rises perpendicularly includes: a transparent jar; the bearing frame is arranged in the transparent cylinder, and a plurality of connecting interfaces are arranged on the bearing frame; the plurality of transparent observation tubes are arranged in one-to-one correspondence with the connecting interfaces, and each transparent observation tube is communicated with the corresponding connecting interface; the connecting pipeline is connected with each connecting interface; the air duct is communicated with the connecting duct and communicated with an external air supply device; the gas regulating valve is arranged on the air duct; the water inlet pipeline is communicated with the connecting pipeline and is communicated with an external water supply device; the variable frequency driving piece is arranged on the water inlet pipeline; the detection device detects the flow and the pressure of the water flow; the water valve is arranged on the water inlet pipeline; and a main control module. Compared with the prior art, the experimental device is small in size, convenient to install and detach and convenient to observe and use.

Description

Vertical rising riser gas-liquid two-phase flow experimental device
Technical Field
The utility model relates to a gas-liquid two-phase flow experimental facilities, in particular to vertical rising riser gas-liquid two-phase flow experimental apparatus.
Background
Two-phase flow, refers to a flow of material in which two or more different phases are present simultaneously, and the phase interface must be mobile. In the field of oil gas transportation and refrigeration air conditioning, gas-liquid two-phase flow exists. The research on the two-phase flow law has important theoretical value on reasonably designing the pipe diameter, controlling the operation parameters and protecting the safe and economic operation of equipment. In order to better study the two-phase flow law, students need to observe the two-phase flow law more intuitively in the existing teaching, and no proper two-phase flow experimental equipment is available in the teaching due to the limitation of basic conditions such as cost field and the like.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a riser gas-liquid two-phase flow experimental apparatus rises perpendicularly for this experimental apparatus is small, and the installation is dismantled conveniently, and is convenient for observe the use.
In order to solve the above technical problem, an embodiment of the present invention provides a vertical riser gas-liquid two-phase flow experimental apparatus, including:
the bottom of the transparent cylinder is provided with a water outlet for discharging water flow;
the bearing frame is arranged in the transparent cylinder, and a plurality of connecting interfaces for water flow and gas to pass through are arranged on the bearing frame;
the plurality of transparent observation tubes are arranged in one-to-one correspondence with the connecting interfaces, and each transparent observation tube is communicated with the corresponding connecting interface; the specifications of the transparent observation tubes are different; scales are arranged on each transparent observation tube along the extension direction of the tube body;
the connecting pipeline is connected with each connecting interface;
the air duct is communicated with the connecting duct, communicated with an external air supply device and used for air to pass through;
a gas regulating valve disposed on the vent line for regulating the flow and pressure of gas through the vent line;
the water inlet pipeline is communicated with the connecting pipeline, is communicated with an external water supply device and is used for water flow to pass through;
the variable-frequency driving piece is arranged on the water inlet pipeline;
the detection device is arranged on the water inlet pipeline and used for detecting the flow and the pressure of water flow passing through the water inlet pipeline;
the water valve is arranged on the water inlet pipeline;
the main control module is electrically connected with the gas regulating valve, the variable-frequency driving piece and the detection device.
The utility model discloses relative prior art, owing to be equipped with transparent jar, accept frame, the transparent observation pipe of a plurality of, connecting tube, vent pipe, gas control valve, inlet channel, variable frequency driving piece, detection device, water valve and host system, accept the frame setting in transparent jar, be provided with a plurality of connection interface on the accept frame again, transparent observation pipe is connected with the connection interface one-to-one. And the ventilation pipeline is communicated with the external gas supply device and the connecting pipeline, the gas regulating valve is arranged on the ventilation pipeline, and the amount of gas passing through the ventilation pipeline can be controlled by controlling the gas regulating valve through the main control module, namely, other amounts of gas entering the connecting pipeline are changed. The inlet channel communicates with external water supply installation and connecting tube, and frequency conversion driving piece and detection device all set up on the inlet channel, host system and frequency conversion driving piece and detection device electric connection, and detection device detects inlet channel flow and pressure to water, and host system changes the flow that water passes through the water supply pipe according to the flow and the pressure control frequency conversion driving piece that detect, changes the discharge that rivers got into the connecting tube promptly. And because the connecting pipeline is connected with the air duct and the water inlet pipeline, the gas and the water flow enter the connecting pipeline together to be mixed together, and the connecting pipeline is connected with each connecting interface, so that the gas and the water flow enter each connecting interface through the connecting pipeline and then enter the transparent observation tube connected with each connecting interface through each connecting interface. The specifications of the transparent observation pipes are different, and the flow state of the gas-containing water flow in the transparent observation pipes with different specifications can be observed. Meanwhile, when the water flow or the gas quantity is changed, the flow state of water flow with different gas contents in transparent observation pipes with different specifications can be observed. In addition, scales are arranged on each transparent observation tube along the extension direction of the tube body, so that the flow state of water flow with each gas content is observed more precisely.
In addition, a supporting platform is annularly arranged on the inner wall of the transparent cylinder, and the bearing frame is arranged on the supporting platform;
an opening is formed in one side, away from the bearing frame, of each transparent observation tube;
and a plurality of hollow areas for allowing water flow flowing out of the openings of the transparent observation tubes to pass through are formed in the bearing frame.
In addition, a plurality of bearing positions are arranged on the bearing frame, the bearing positions are only arranged corresponding to the connecting interfaces, and each connecting interface penetrates through the corresponding bearing position.
In addition, each bearing position is an internal thread hole;
and the outer surface of each connecting interface is provided with an external thread matched with the internal thread hole.
In addition, each of the transparent observation tubes includes:
a pipe body;
and the butt joint part is fixed on one side of the pipe body facing the bearing frame and is used for butt joint with the corresponding connecting interface.
In addition, each connecting interface is provided with a sealing ring, and each connecting interface is screwed with the corresponding butt joint part.
In addition, the connection pipe includes:
a main pipeline connecting the aeration pipeline and the water inlet pipeline;
the number of the branch pipelines is the same as that of the transparent observation pipes and the number of the connecting interfaces, and the branch pipelines are arranged in one-to-one correspondence with the number of the transparent observation pipes and the number of the connecting interfaces;
the number of the branch valves is the same as that of the transparent observation tubes and that of the connecting interfaces, and the branch valves are arranged in one-to-one correspondence with the number of the transparent observation tubes and the connecting interfaces; each branch valve is connected with a corresponding branch pipeline and a corresponding connecting interface; each branch valve is electrically connected with the main control module.
In addition, a plurality of receiving hooks are arranged on the receiving frame and used for receiving the main pipeline.
Drawings
FIG. 1 is a schematic structural view of a vertical riser gas-liquid two-phase flow experimental facility in a first embodiment of the present invention;
fig. 2 is a layout diagram of the pipeline according to the first embodiment of the present invention;
FIG. 3 is a plan view of the receiving frame placed in the transparent cylinder according to the first embodiment of the present invention;
FIG. 4 is a schematic structural view of the first embodiment of the present invention showing a receiving hook receiving a connecting pipe;
fig. 5 is a circuit block diagram of a vertical riser gas-liquid two-phase flow experimental apparatus according to the first embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a vertical riser gas-liquid two-phase flow experimental apparatus, as shown in fig. 1, fig. 2 and fig. 5, including: the device comprises a transparent cylinder 1, a receiving frame 2, a plurality of transparent observation tubes 3, a connecting pipeline 10, a ventilation pipeline 20, a gas regulating valve 201, a water inlet pipeline 30, a variable-frequency driving piece 101, a detection device 102, a water valve 103 and a main control module. The transparent jar 1 may be a glass jar or an acrylic jar, and a water outlet 100 for discharging water is opened at the bottom of the transparent jar 1. The bearing frame 2 is arranged in the transparent cylinder 1, and a plurality of connecting interfaces 5 for water flow and gas to pass through are arranged on the bearing frame 2. The plurality of transparent observation tubes 3 are arranged in one-to-one correspondence with the connecting interfaces 5, each transparent observation tube 3 is communicated with the corresponding connecting interface 5, the specifications of the transparent observation tubes 3 are different, and scales are arranged on the transparent observation tubes 3 along the extension direction of the tube body. The air pipe 20 is connected with the pipe 10 and the external air supply device 7 in a butt joint mode, the external air supply device supplies air into the air pipe, the external air supply device can be a gas storage bottle, and the air can be nitrogen, oxygen and other needed air. Gas regulating valve 201 and host system electric connection set up on vent pipe 20, have manometer and flowmeter on the gas regulating valve 201, can directly show through other flow and pressure in the current vent pipe 20 to through host system regulation gas regulating valve 201's valve according to the experiment needs, the regulation and control is from the flow and the pressure of the gas that flows into in the connecting tube 10 through the pipeline, of course, also can manually adjust gas regulating valve 201. A gas valve 202 may also be provided on the vent line 20, and the opening of the gas valve 202 is manually adjusted to adjust the amount of gas entering the connecting line 10 from the vent line 20. In actual use, the gas regulating valve 201, the gas valve 202, the ventilation pipe 20, and the like need to be provided with usable devices according to the type of gas. As shown in fig. 1 and 5, the water inlet pipe 30 communicates with the connection pipe 10 and the external water supply device 8, the external water supply device 8 can be a water storage bucket or a water source, the variable frequency driving member 101 can be a variable frequency water pump or other devices arranged on the water inlet pipe 30 to control the flow of water entering the connection pipe 10 from the inlet pipe, and the variable frequency driving member 101 is electrically connected with the main control module and can be controlled by the main control module. Meanwhile, the water inlet pipe 30 is also connected with a detection device 102, the detection device 102 is a pressure flow detector and is electrically connected with the main control module, a detected flow pressure signal is transmitted to the main control module, and the main control module controls the variable frequency water pump and adjusts the water flow according to the received pressure flow signal. The water inlet pipe 30 is also provided with a water valve 103, and the water valve 103 can be manually adjusted, so that the water flow of the water flow from the water inlet pipe 30 to the connecting pipe 10 can be adjusted, and the adjustment of the water flow can be further realized. The connecting pipeline 10 is provided with a plurality of water outlets which are connected with the connecting interfaces 5, the connecting interfaces 5 are correspondingly connected with the transparent observation pipes 3 one by one, and water flow and gas entering the connecting pipeline 10 enter the transparent observation pipes 3 through the connecting interfaces 5. The transparent observation tubes 3 can be plastic tubes or acrylic tubes, and in actual use, according to test requirements, the transparent observation tubes 3 with different volumes and the same height can be adopted, and when water flows with different air contents enter the transparent observation tubes 3 with different volumes, the flow state of the water flow in each transparent observation tube 3 can be directly observed. Certainly for providing richer observation effect, transparent observation pipe 3 can prepare some models that the volume is the same, the height is different again, and the connection interface 5 that corresponds according to actual demand also needs a plurality ofly, and the delivery port on connecting tube 10 also needs a plurality ofly. Even a spare pipe having a plurality of water outlets may be connected to the connection pipe 10 in actual use.
According to the above, the transparent cylinder 1, the bearing frame 2, the plurality of transparent observation tubes 3, the connecting pipeline 10, the ventilating pipeline 20, the gas regulating valve 201, the water inlet pipeline 30, the variable frequency driving piece 101, the detection device 102, the water valve 103 and the main control module are arranged, the bearing frame 2 is arranged in the transparent cylinder 1, the bearing frame 2 is provided with the plurality of connecting interfaces 5, and the transparent observation tubes 3 are correspondingly connected with the connecting interfaces 5 one by one. And the ventilation pipeline 20 is communicated with the external air supply device 7 and the connecting pipeline 10, the gas regulating valve 201 is arranged on the ventilation pipeline 20, and the amount of gas passing through the ventilation pipeline 20 can be controlled by controlling the gas regulating valve 201 through the main control module, namely, other amount of gas entering the connecting pipeline 10 is changed. Inlet channel 30 and external water supply installation 8 and connecting tube 10 intercommunication, frequency conversion driving piece 101 and detection device 102 all set up on inlet channel 30, host system and frequency conversion driving piece 101 and detection device 102 electric connection, detection device 102 detects inlet channel 30 flow and the pressure to water, host system is according to flow and the pressure control frequency conversion driving piece 101 that detect, change the flow that water passes through water supply pipe, change the discharge that rivers got into connecting tube 10 promptly. And because the connecting pipeline 10 is connected with the ventilating pipeline 20 and the water inlet pipeline 30, gas and water flow enter the connecting pipeline 10 together and are mixed together, and the connecting pipeline 10 is connected with each connecting interface 5, so that the gas and water flow enter each connecting interface 5 through the connecting pipeline 10 and then enter the transparent observation tube 3 connected with each connecting interface 5 through each connecting interface 5. The transparent observation pipes 3 have different specifications, and the flow state of the gas-containing water flow in the transparent observation pipes 3 with different specifications can be observed. Meanwhile, when the water flow or the gas quantity is changed, the flow state of water flow with different gas contents in the transparent observation pipes 3 with different specifications can be observed. Further, the transparent observation tubes 3 are provided with scales along the direction of extension of the tube body, and the flow state of the water flow at each gas content is observed more precisely.
Further, as shown in fig. 1, 2 and 3, a supporting platform 200 is annularly arranged on the inner wall of the transparent cylinder 1, and the receiving frame 2 is arranged on the supporting platform 200. One side that each transparent observation pipe 3 deviates from and accepts frame 2 all is equipped with the opening, accepts and offers a plurality of on the frame 2 and is used for letting the fretwork area 21 that flows through from the interior rivers of the opening of each transparent observation pipe 3. When the aerated water flow enters the transparent observation pipes 3 to form different flow states, along with the continuous entering of the water flow, the water flow overflows from the openings of the transparent observation pipes 3 and enters the transparent cylinder 1 through the hollow area 21, so that the water flow can be intensively treated or flows out of the transparent cylinder 1 for reutilization, and the transparent cylinder 1 cannot form sight interference.
In addition, as shown in fig. 1 and 3, the receiving frame 2 is provided with a plurality of receiving positions 22, the receiving positions 22 are uniquely arranged corresponding to the connection interfaces 5, and each connection interface 5 passes through the corresponding receiving position 22. Therefore, after the connecting interfaces 5 are damaged, the connecting interfaces 5 can be detached from the bearing positions 22 for replacement, or when the transparent observation tubes 3 of different types need to be replaced, the corresponding connecting interfaces 5 on the bearing positions 22 are correspondingly replaced, so that the experimental device can meet more implementation requirements.
Optionally, each receiving position 22 is an internal threaded hole, and the outer surface of each connection interface 5 is provided with an external thread matched with the internal threaded hole.
As shown in fig. 1, each transparent observation tube 3 includes: the pipe body 31 and the abutting portion 32, the abutting portion 32 is fixed on one side of the pipe body 31 facing the receiving frame 2 and is used for abutting with the corresponding connecting interface 5. The docking portion 32 may be a plastic connector that is threadably engaged with the docking connector 5. The abutting portion 32 may be a hard water pipe directly glued to the connection interface 5.
Meanwhile, as shown in fig. 1, each connection port 5 is provided with a sealing ring, and each connection port 5 is screwed with the corresponding butt joint portion 32 and then abuts against the sealing ring, so that water flow cannot overflow. And the butt joint interface can be detached from the butt joint part 32, so that the transparent observation tube 3 can be replaced at any time when damaged or observed clearly.
In addition, as shown in fig. 1, 2 and 5, the connection pipe 10 includes: a main pipeline 11, a plurality of branch pipelines 12 and a plurality of branch valves 13, wherein the main pipeline 11 is connected with an aeration pipeline 20 and a water inlet pipeline 30. The number of the branch pipelines 12 is the same as that of the transparent observation pipes 3 and that of the connection interfaces 5, and the branch pipelines are arranged in one-to-one correspondence with the transparent observation pipes 3 and the connection interfaces 5. The number of the branch valves 13 is the same as that of the transparent observation tubes 3 and that of the connecting interfaces 5, and the branch valves are arranged in one-to-one correspondence with the number of the transparent observation tubes 3 and the connecting interfaces 5; each branch valve 13 is connected with the corresponding branch pipeline 12 and the corresponding connection interface 5, and each branch valve 13 is electrically connected with the main control module. In this embodiment, four transparent observation tubes 3 are provided, four branch valves 13 are also provided, one branch valve 13 corresponds to one transparent observation tube 3, and the branch valve 13 can be an electromagnetic valve, and the branch valve 13 is opened or closed by the main control module to allow the air-containing water flow to enter the corresponding transparent observation tube 3. Further, a manual valve may be provided in each branch line 12, and the line may be opened and closed manually.
In addition, as shown in fig. 1 and 4, the receiving rack 2 is provided with a plurality of receiving hooks 4 for receiving the main pipeline 11. The main pipeline 11 extends below the bearing frame 2, in order to stably position the main pipeline 11, a plurality of bearing hooks 4 are arranged in sequence along the direction of the connecting interface 5 on the bearing frame 2, and each bearing hook 4 hooks the main pipeline 11. Each one side of accepting couple 4 and being used for accepting main pipeline 11 is equipped with positioning groove 40, can let main pipeline 11 place in positioning groove 40, can not receive the rivers influence to rock when rivers pass through for the temperature nature of whole pipeline is better. And in actual use, the bearing hook 4 and the bearing frame 2 can be fixedly connected or detachably connected. Accept couple 4 also can set up with accepting frame 2 and slide, accept and set up the slide on the frame 2, accept the top of couple 4 and set up the slider, imbed in the slide, slide along the slide, adjust the position of accepting couple 4 at any time, the main pipeline 11 of accepting more stably.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples of the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (8)

1. A vertical riser gas-liquid two-phase flow experimental facility is characterized in that the experimental facility comprises:
the bottom of the transparent cylinder is provided with a water outlet for discharging water flow;
the bearing frame is arranged in the transparent cylinder, and a plurality of connecting interfaces for water flow and gas to pass through are arranged on the bearing frame;
the plurality of transparent observation tubes are arranged in one-to-one correspondence with the connecting interfaces, and each transparent observation tube is communicated with the corresponding connecting interface; the specifications of the transparent observation tubes are different; scales are arranged on each transparent observation tube along the extension direction of the tube body;
the connecting pipeline is connected with each connecting interface;
the air duct is communicated with the connecting duct, communicated with an external air supply device and used for air to pass through;
the gas regulating valve is arranged on the vent pipeline and used for regulating the flow and the pressure of gas passing through the vent pipeline;
the water inlet pipeline is communicated with the connecting pipeline, is communicated with an external water supply device and is used for water flow to pass through;
the variable-frequency driving piece is arranged on the water inlet pipeline;
the detection device is arranged on the water inlet pipeline and used for detecting the flow and the pressure of water flow passing through the water inlet pipeline;
the water valve is arranged on the water inlet pipeline;
the main control module is electrically connected with the gas regulating valve, the variable-frequency driving piece and the detection device.
2. The vertical rising riser gas-liquid two-phase flow experimental device according to claim 1, wherein a supporting platform is annularly arranged on the inner wall of the transparent cylinder, and the receiving frame is arranged on the supporting platform;
an opening is formed in one side, away from the bearing frame, of each transparent observation tube;
and a plurality of hollow areas for allowing water flow flowing out of the openings of the transparent observation tubes to pass through are formed in the bearing frame.
3. The vertical riser gas-liquid two-phase flow experimental device according to claim 2, wherein the receiving frame is provided with a plurality of receiving positions, the receiving positions are uniquely and correspondingly arranged with the connection ports, and each connection port penetrates through the corresponding receiving position.
4. The vertical riser gas-liquid two-phase flow experimental apparatus of claim 3, wherein each receiving location is an internally threaded hole;
and the outer surface of each connecting interface is provided with an external thread matched with the internal thread hole.
5. The vertical riser gas-liquid two-phase flow experimental apparatus of claim 4, wherein each of the transparent observation tubes comprises:
a pipe body;
and the butt joint part is fixed on one side of the pipe body facing the bearing frame and is used for butt joint with the corresponding connecting interface.
6. The vertical rising riser gas-liquid two-phase flow experimental device according to claim 5, wherein each of the connection ports is provided with a sealing ring, and each of the connection ports is screwed with the corresponding butt joint part.
7. The vertical riser gas-liquid two-phase flow experimental apparatus of claim 1, wherein the connecting conduit comprises:
a main pipeline connecting the aeration pipeline and the water inlet pipeline;
the number of the branch pipelines is the same as that of the transparent observation pipes and the number of the connecting interfaces, and the branch pipelines are arranged in one-to-one correspondence with the number of the transparent observation pipes and the number of the connecting interfaces;
the number of the branch valves is the same as that of the transparent observation tubes and that of the connecting interfaces, and the branch valves are arranged in one-to-one correspondence with the transparent observation tubes and the connecting interfaces; each branch valve is connected with a corresponding branch pipeline and a corresponding connecting interface; each branch valve is electrically connected with the main control module.
8. The vertical rising riser gas-liquid two-phase flow experimental facility as claimed in claim 7, wherein the receiving rack is provided with a plurality of receiving hooks for receiving the main pipeline.
CN201922406220.5U 2019-12-27 2019-12-27 Vertical rising riser gas-liquid two-phase flow experimental device Expired - Fee Related CN211044726U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922406220.5U CN211044726U (en) 2019-12-27 2019-12-27 Vertical rising riser gas-liquid two-phase flow experimental device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922406220.5U CN211044726U (en) 2019-12-27 2019-12-27 Vertical rising riser gas-liquid two-phase flow experimental device

Publications (1)

Publication Number Publication Date
CN211044726U true CN211044726U (en) 2020-07-17

Family

ID=71535697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922406220.5U Expired - Fee Related CN211044726U (en) 2019-12-27 2019-12-27 Vertical rising riser gas-liquid two-phase flow experimental device

Country Status (1)

Country Link
CN (1) CN211044726U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200717

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