Technical characteristics of gas-liquid separation system

Technical characteristics:

1. A gas-liquid separation system, characterized in that it comprises a compressor, a condenser, a first throttling device, an evaporator, and a gas-liquid separator; the compressor, the condenser, the first throttling device, the evaporator and the The gas-liquid separator is connected in sequence; the gas-liquid separator includes a container body, a fluid inlet pipe for inputting a gas-liquid mixed fluid into the container body, and a gas for conveying gas from the container body to the outside The outlet pipe and the fluid outlet pipe for transporting liquid from the container body to the outside; the fluid inlet pipe is connected to the evaporator, the gas outlet pipe is connected to the air return port of the compressor, and the fluid outlet pipe is connected to For the air return port of the compressor, the fluid outlet pipe can be switched between communicating and closing, and the fluid outlet pipe is also connected with a heating part, which can be in a heating state and a non-heating state. During initial startup, the fluid outlet pipe is switched to a closed state, and the heating part is in a non-heating state; during operation, the fluid outlet pipe is switched to a connected state, according to the degree of superheat in the container body, The heating part is in a heating state or a non-heating state. 2. The gas-liquid separation system according to claim 1, wherein the fluid inlet pipe is arranged at the upper end of the container body, and the inlet of the fluid inlet pipe is arranged outside the container body; the fluid inlet The outlet of the pipe extends into the container body; the gas outlet pipe is arranged at the upper end of the container body, the outlet of the gas outlet pipe is arranged outside the container body, and the inlet of the gas outlet pipe extends to the container body. Inside the container body; the inlet of the fluid outlet pipe is arranged at the bottom of the container body and communicates with the container body, and the outlet of the fluid outlet pipe is located outside the container body. 3. The gas-liquid separation system according to claim 2, wherein the fluid inlet pipe is in an l-shape, and the outlet of the fluid inlet pipe is located at the lateral end of the l-shape. 4. The gas-liquid separation system according to claim 3, wherein the outlet of the fluid inlet pipe faces away from the inlet of the gas outlet pipe. 5. The gas-liquid separation system according to claim 2, characterized in that: the gas outlet pipe is i-shaped, the longitudinal length of the gas outlet pipe extending into the container body and the fluid inlet pipe extending into The longitudinal length in the container body is equal or approximately equal. 6. The gas-liquid separation system according to claim 1, wherein the container body includes an upper cylinder and a lower cylinder that are sealed and spliced and fixed, and the fluid inlet pipe and the gas outlet pipe are both arranged in the On the upper cylinder, the fluid outlet pipe is arranged on the lower cylinder. 7. According to claim 1

The gas{{0}}liquid separation system according to any one of 6, characterized in that: a first branch pipe and a second branch pipe are provided between the fluid outlet pipe and the air return port of the compressor; both ends of the first branch pipe The fluid outlet pipe and the air return port of the compressor are respectively connected, and the first branch pipe is provided with a first valve; both ends of the second branch pipe are respectively connected to the fluid outlet pipe and the compressor return port. Air port, the second branch pipe is provided with a second valve and the heating part; when initially started, the first valve and the second valve are closed, and the heating part is in a non-heating state; working process When the degree of superheat in the container body is greater than 0, the first valve is opened, the second valve is closed, and the heating part is in a non-heating state; when the degree of superheat in the container body is less than 0 , The first valve is closed, the second valve is opened, and the heating part is in a heating state. 8. The gas-liquid separation system according to claim 7, wherein the heating part is a regenerator, and the condensation

The connecting pipeline between the heat exchanger and the first throttling device passes through the heat regenerator. 9. According to 

The gas{{0}}liquid separation system according to any one of 6, characterized in that: the heating part is a regenerator, and a third branch pipe and a fourth branch pipe are provided between the condenser and the first throttling device The connecting pipe between the fluid outlet pipe and the air return port of the compressor passes through the regenerator, and a third valve is provided between the fluid outlet pipe and the regenerator; the third branch pipe The two ends of the fourth branch pipe are respectively connected to the condenser and the first throttling device, and the third branch pipe is provided with a second throttling device; both ends of the fourth branch pipe are respectively connected to the condenser and the first throttling device. A throttling device and the fourth branch pipe passes through the regenerator, and the fourth branch pipe is provided with a third throttling device in front of the regenerator; when initially started, the third valve is closed, so The first throttling device and the second throttling device are opened, and the third throttling device is closed; during operation, when the degree of superheat in the container body is greater than 0, the third valve opens, and the The first throttling device and the second throttling device are opened, and the third throttling device is closed; when the superheat in the container body is less than 0, the third valve is opened, and the first throttling device and the third throttling device are closed. The flow device is turned on, and the second throttling device is turned off. 10. The gas-liquid separation system according to claim 7, wherein the opening of the first throttling device and/or the second throttling device and/or the third throttling device is adjustable.

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