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Gas-liquid isolating tank based on flexible transmission, and application thereof in gas-liquid linkage actuator

A gas-liquid isolation and flexible transmission technology, which is applied in the direction of engine components, accumulator devices, fluid pressure actuation devices, etc., can solve problems such as impact, poor environmental performance, hydraulic oil overflow, etc., to reduce air pollution and reduce Effects of Hydraulic Oil Contamination

Pending Publication Date: 2018-09-14
CHENGDU MAIKESEN FLUID CONTROL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] 1. Adopt the gas-liquid linkage actuator of the existing traditional gas-liquid tank. During the working process, two different media, gas and oil, are in direct contact with the gas-liquid tank. There is a possibility that the high-pressure working gas will dissolve in the oil, and then It will cause impact between pressurized gas and liquid, volume expansion, oil emulsification, oil mist generation, etc., causing hydraulic oil pollution to the working environment, and poor environmental protection performance
[0015] 2. After the gas is compressed, the high-pressure gas acts as an elastic element to expand outward, and the pressure of the compressed gas source is transmitted to the actuator through the liquid as the transmission medium. At the same time, due to the direct contact between the gas and the liquid, the valve actuator appears oil injection, A series of phenomena such as lack of oil, lack of oil, and discharge of working gas with the oil occur from time to time. Once the valve actuator is short of oil or less oil, it will be in an abnormal working state. Due to the lack of oil caused by frequent oil injection, we cannot accurately and timely Fill hydraulic oil according to actual needs
[0017] 4. Since the gas-liquid tank and the built-in hydraulic oil are indispensable for the gas-liquid linkage actuator products, because the gas-liquid is not isolated, the valve actuator can only be in a vertical state during transportation, installation, and use. Inversion will cause hydraulic oil to overflow, and it cannot be installed at any angle, even upside down, which greatly limits the application range of this type of product and the convenience of transportation and installation

Method used

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  • Gas-liquid isolating tank based on flexible transmission, and application thereof in gas-liquid linkage actuator
  • Gas-liquid isolating tank based on flexible transmission, and application thereof in gas-liquid linkage actuator
  • Gas-liquid isolating tank based on flexible transmission, and application thereof in gas-liquid linkage actuator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 with figure 2 As shown, a gas-liquid isolation tank based on flexible transmission includes a tank body 1, an isolation bladder 2, an air inlet and outlet 3 arranged at the top of the tank 1, and a liquid inlet and outlet 4 arranged at the bottom of the tank 1. The opening of the isolation bladder 2 is sealed and installed on the air inlet and outlet 3, and the isolation bladder 2 isolates the inner cavity of the tank body 1 into a gas cavity and a liquid cavity. The inside is a gas cavity and the outside is a liquid cavity.

Embodiment 2

[0050] Such as image 3 As shown, a gas-liquid isolation tank based on flexible transmission includes a tank body 1, an isolation bladder 2, an air inlet and outlet 3 arranged at the top of the tank 1, and a liquid inlet and outlet 4 arranged at the bottom of the tank 1. The opening of the isolation bladder 2 is sealed and installed on the liquid inlet and outlet 4, and the isolation bladder 2 isolates the inner cavity of the tank body 1 into a gas cavity and a liquid cavity. The inside is a liquid cavity and the outside is a gas cavity. The difference between the second embodiment and the first embodiment is that the installation position of the isolation airbag 2 is different, and the settings of the other components are the same, and the achieved effect and function are also the same.

[0051] As a preferred embodiment, such as Image 6 As shown, both the air inlet and outlet 3 and the liquid inlet and outlet 4 are provided with a connecting joint 5, and a plurality of ribs 6 a...

Embodiment 3

[0053] Such as figure 2 with image 3 As shown, the upper end of the tank 1 is also provided with a pressure gauge 8 for real-time monitoring of its internal pressure and an interface connected to a pneumatic control system. The liquid inlet and outlet 4 in the tank 1 is provided with a liquid filter device 9 for filtering impurities of liquid such as hydraulic oil. The external pipe of the liquid inlet and outlet 4 is provided with a pressure regulating valve 10 for adjusting the liquid (hydraulic oil) Flow rate, thereby controlling the speed of pressure release, ensuring that the elastic motion process and motion speed are precisely controllable. The connection joint 5 is also provided with a shut-off valve 20 for closing or opening the gas-liquid isolation tank at any time.

[0054] Generally speaking, the pressure vessel tank is the main energy storage device and the main body of compressed gas storage; the bottom hydraulic oil is not only the airtight and insulating medium ...

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Abstract

The invention discloses a gas-liquid isolating tank based on flexible transmission (hereinafter referred to as the gas-liquid isolation tank), and application of the gas-liquid isolating tank in a gas-liquid linkage actuator. The gas-liquid isolation tank comprises a tank body, an isolating skin bag, a gas in-out opening and a liquid in-out opening. An opening of the isolating skin bag is formed in the gas in-out opening or the liquid in-out opening in a sealed mode, and the isolating skin bag isolates an inner cavity of the tank body into a gas cavity and a liquid cavity. The gas-liquid isolating and flexible transmission gas-liquid isolation tank is used for replacing a traditional gas-liquid non-isolating tank (hereinafter referred to as the gas-liquid tank) of the gas-liquid linkage actuator, direct contact and mutual blending between high-pressure gas and hydraulic oil serving as a transmission medium in a system are thoroughly eliminated, thus the oil injection phenomenon of thegas-liquid linkage actuator in the using process is prevented, and the problems that in the processes such as design, layout, mounting, using, packaging and transporting of gas-liquid linkage actuatorproducts, the gas-liquid tank cannot be completely horizontally placed or levelly placed, and can only be vertically placed or obliquely upwards placed are solved.

Description

Technical field [0001] The invention relates to the field of gas-liquid linkage actuators, in particular to a gas-liquid isolation tank based on flexible transmission and its application in the gas-liquid linkage actuator. Background technique [0002] The gas-liquid linkage actuator is one of the key equipment and main equipment of the long-distance natural gas valve room. It is widely used in pipelines such as oil and natural gas pipelines as an emergency cut-off device for broken pipe failure or an emergency protection device for pipeline rupture (with pipeline rupture emergency cut-off system). The gas-liquid linkage actuator can automatically monitor pipeline pressure and realize automatic valve closing. It is very important in long-distance pipelines and pipeline transportation of dangerous chemicals. Long-distance pipelines will be automatically cut off when pipeline ruptures, leaks, explosions and other emergencies occur due to abnormal reasons such as construction, ear...

Claims

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Application Information

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IPC IPC(8): F15B1/10F15B21/04F15B19/00F16K31/122
CPCF15B1/10F15B1/106F15B19/00F15B21/041F16K31/122
Inventor 王正权
Owner CHENGDU MAIKESEN FLUID CONTROL EQUIP
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