CN221279222U

CN221279222U - High stability flow control device

Info

Publication number: CN221279222U
Application number: CN202323047552.1U
Authority: CN
Inventors: 黄文钦; 冯卫; 肖德华
Original assignee: Shenzhen Aode Machinery Co ltd
Current assignee: Shenzhen Aode Machinery Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-07-05
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a high-stability flow control device, and relates to the technical field of flow control. This high stability flow control device, including the conveyer pipe, the one end of conveyer pipe is connected with two regulation pipes, the frequency conversion delivery pump is all installed to the surface of two regulation pipes, through the regulation pipe and the blast pipe isotructure of setting, after the material gets into the conveyer pipe, can continue to get into in the regulation pipe, but material pressure and flow in the adjustable pipe of frequency conversion delivery pump through corresponding, in order to reach the flow of settlement, the material after the regulation can get into the connecting pipe, by electronic relief pressure valve, electronic proportional valve is further adjusted material pressure and flow respectively, compared with prior art, through adjusting material pressure and flow and follow-up to the material readjustment, can effectively promote and adjust the precision, ensure the stability of pipeline, and the exhaust gas can be by solenoid valve control flow in the pipeline, prevent that the flow is too big, lead to the pipeline to rock.

Description

High stability flow control device

Technical Field

The utility model relates to the technical field of flow control, in particular to a high-stability flow control device.

Background

The flow rate control device is a feedback control device that uses a flow rate as a controlled variable. The flow rate is the fluid quantity passing through the pipeline in unit time, and the flow rate control device is widely applied to various industrial departments, for example, in the production processes of chemical industry, petroleum, steel, light industry and the like, and the flow rate is required to be controlled.

In industrial production, flow control is an important technology for ensuring stable flow of fluid in a pipeline, and a conventional flow control device generally controls flow by adjusting the opening of a valve or the opening or rotation speed of a pump, and adapts to different conveying requirements by changing the flow.

When the flow changes, the pressure and the gas content in the pipeline can also change, the change of the pressure easily causes the pipeline to shake in the conveying process, the change of the gas can cause the pipeline to shake in the exhaust process, and the adjustment of the internal pressure and the flow rate of the exhaust gas by most pipelines is relatively inaccurate, so that the stability of the pipeline in the use process is influenced.

Disclosure of utility model

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-stability flow control device, which solves the problem of inaccurate adjustment of the pressure in a pipeline and the flow rate of exhaust gas.

Technical proposal

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high stability flow control device, includes the conveyer pipe, the one end of conveyer pipe is connected with two regulation pipes, two the frequency conversion delivery pump is all installed to the surface of regulation pipe, two the one end of regulation pipe is connected with same connecting pipe, electronic relief pressure valve and electronic proportional valve are installed in proper order to the upper surface of connecting pipe, the external surface of connecting pipe is connected with the blast pipe, the external surface mounting of blast pipe has solenoid valve and check valve, the one end and the conveyer pipe intercommunication of connecting pipe, the surface of conveyer pipe has the expansion tank through the pipeline intercommunication.

Preferably, a first ball valve and a pressure sensor are installed inside the connecting pipe.

Preferably, a flow sensor is installed inside the connection pipe.

Preferably, two second ball valves are installed in the two adjusting pipes, and the two variable-frequency conveying pumps are respectively located between the two corresponding second ball valves.

Preferably, one end of the exhaust pipe is communicated with the conveying pipe.

Preferably, the flow sensor adopts a thermal flowmeter or a vortex shedding flowmeter, and the first ball valve and the second ball valve adopt electric valves or pneumatic valves.

Advantageous effects

The utility model provides a high-stability flow control device. The beneficial effects are as follows:

Through the structure such as control tube and blast pipe that sets up, after the material gets into the conveyer pipe, can continue to get into the control intraductal, but material pressure and flow in the adjustable pipe of frequency conversion delivery pump through corresponding, in reaching the flow that sets for, the material after adjusting can get into the connecting pipe, by electronic relief pressure valve, electronic proportional valve is further adjusted material pressure and flow respectively, compare with prior art, through adjusting material pressure and flow control and follow-up to the material again, can effectively promote and adjust the accuracy, ensure the stability of pipeline, and exhaust gas can be by solenoid valve control flow in the pipeline, prevent that the flow is too big, lead to the pipeline to rock.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the exhaust pipe structure of the present utility model;

FIG. 3 is a schematic diagram of the piping connection of the present utility model.

In the figure: 1. a delivery tube; 2. an adjusting tube; 3. a variable frequency delivery pump; 4. a connecting pipe; 5. an electric pressure reducing valve; 6. an electric proportional valve; 7. an exhaust pipe; 8. an electromagnetic valve; 9. a one-way valve; 10. a first ball valve; 11. a pressure sensor; 12. a flow sensor; 13. and a second ball valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a high stability flow control device, including conveyer pipe 1, the one end of conveyer pipe 1 is connected with two regulation pipes 2, variable frequency delivery pump 3 is all installed to the surface of two regulation pipes 2, the one end of two regulation pipes 2 is connected with same connecting pipe 4, electric relief pressure valve 5 and electric proportional valve 6 are installed in proper order to the upper surface of connecting pipe 4, the surface connection of connecting pipe 4 has blast pipe 7, solenoid valve 8 and check valve 9 are installed to the surface mounting of blast pipe 7, the one end and the conveyer pipe 1 intercommunication of connecting pipe 4, the surface of conveyer pipe 1 has the expansion tank through the pipeline intercommunication, variable frequency delivery pump 3, electric relief pressure valve 5, electric proportional valve 6 and solenoid valve 8 are all connected with the outside system control cabinet of device through the circuit.

During operation, after the material gets into conveyer pipe 1, can get into one of them governing pipe 2 in, the frequency conversion delivery pump 3 that corresponds through the control of system control cabinet adjusts the material in the governing pipe 2, adjust the flow and the pressure of material, after the adjustment, the material can get into in connecting pipe 4, the flow and the pressure of electronic relief pressure valve 5 and electronic proportional valve 6 can the material again are adjusted, adjust comparatively accurate, the condition that too big can not appear in material velocity of flow and pressure after adjusting, ensure the stability when the pipeline is used, afterwards the material can pass through blast pipe 7, the gas in the pipeline can be discharged by blast pipe 7, simultaneously solenoid valve 8 can adjust the velocity of flow of gas, prevent that the velocity of flow is too fast, lead to the pipeline to produce and rock, when the frequency conversion delivery pump 3 in the use breaks down, can let in another governing pipe 2 with the material, then adjust the material by corresponding frequency conversion delivery pump 3.

Referring to fig. 1-3, the present utility model provides a technical solution: the first ball valve 10 and the pressure sensor 11 are installed inside the connecting pipe 4, and the first ball valve 10 is connected with a system control cabinet outside the device through a circuit.

During operation, the pressure sensor 11 is arranged to detect the material pressure in the connecting pipe 4, so that the material pressure can be conveniently adjusted to a set value.

Referring to fig. 1-3, the present utility model provides a technical solution: the flow sensor 12 is installed inside the connection pipe 4.

During operation, the material flow in the connecting pipe 4 can be detected through the arrangement of the flow sensor 12, so that the material flow can be conveniently regulated.

Referring to fig. 1-3, the present utility model provides a technical solution: two second ball valves 13 are installed in the two adjusting pipes 2, two variable frequency conveying pumps 3 are respectively located between the two corresponding second ball valves 13, and the second ball valves 13 are connected with a system control cabinet outside the device through a circuit.

During operation, through the setting of frequency conversion delivery pump 3, can adjust the material flow in the adjusting pipe 2, accessible second ball valve 13 carries out further regulation to the material, ensures to adjust the precision.

Referring to fig. 1-3, the present utility model provides a technical solution: one end of the exhaust pipe 7 communicates with the delivery pipe 1.

In operation, the mixture of oil and gas exiting the exhaust pipe 7 enters the delivery pipe 1 and then flows away from the expansion vessel.

Referring to fig. 1-3, the present utility model provides a technical solution: the flow sensor 12 adopts a thermal flowmeter or a vortex shedding flowmeter, and the first ball valve 10 and the second ball valve 13 adopt electric valves or pneumatic valves.

During operation, the thermal flowmeter or the vortex shedding flowmeter can effectively detect the flow of the materials in the device, and the electric valve or the pneumatic valve can effectively regulate the flow of the materials in the device.

In summary, the material can get into in one of them transfer line 2 after getting into transfer line 1, the variable frequency delivery pump 3 that corresponds through the control of system control cabinet adjusts the material in the transfer line 2, adjust the flow and the pressure of material, after the adjustment, the material can get into in connecting pipe 4, electronic relief valve 5 and electronic proportional valve 6 can the flow and the pressure of material be adjusted once more, adjust comparatively accurate, the condition that the material velocity of flow and the pressure after adjusting can not appear too big, ensure the stability when the pipeline is used, afterwards the material can pass through blast pipe 7, the gas in the pipeline can be discharged by blast pipe 7, simultaneously solenoid valve 8 can adjust the velocity of flow of gas, prevent that the velocity of flow is too fast, lead to the pipeline to produce and rock, when the variable frequency delivery pump 3 in the use breaks down, can let in another transfer line 2 with the material, then adjust the material by corresponding variable frequency delivery pump 3.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high stability flow control device comprising a delivery tube (1), characterized in that: one end of conveyer pipe (1) is connected with two regulation pipes (2), two frequency conversion delivery pump (3) are all installed to the surface of regulation pipe (2), two the one end of regulation pipe (2) is connected with same connecting pipe (4), electronic relief pressure valve (5) and electronic proportional valve (6) are installed in proper order to the upper surface of connecting pipe (4), the external surface of connecting pipe (4) is connected with blast pipe (7), the external surface mounting of blast pipe (7) has solenoid valve (8) and check valve (9), the one end and the conveyer pipe (1) intercommunication of connecting pipe (4), the surface of conveyer pipe (1) has the expansion tank through the pipeline intercommunication.

2. A high stability flow control device according to claim 1, wherein: the connecting pipe (4) is internally provided with a first ball valve (10) and a pressure sensor (11).

3. A high stability flow control device according to claim 2, wherein: the flow sensor (12) is arranged in the connecting pipe (4).

4. A high stability flow control device according to claim 3, wherein: two second ball valves (13) are arranged in the two adjusting pipes (2), and the two variable-frequency conveying pumps (3) are respectively located between the two corresponding second ball valves (13).

5. The high stability flow control device of claim 4 wherein: one end of the exhaust pipe (7) is communicated with the conveying pipe (1).

6. The high stability flow control device of claim 5 wherein: the flow sensor (12) adopts a thermal flowmeter or a vortex shedding flowmeter, and the first ball valve (10) and the second ball valve (13) adopt electric valves or pneumatic valves.