CN209801876U - A heat recovery multi-connected air-conditioning unit gas-liquid separator - Google Patents

Abstract

The utility model discloses a heat recovery multiple air conditioning unit vapour and liquid separator, including the separator main part, the inside of separator main part is hollow structure, and the bottom of separator main part inner chamber is the flow pipe of infundibulate, the bottom of flow pipe is provided with the liquid outlet, and the liquid outlet extends to the outside of separator main part, the upper end lateral wall of separator main part is provided with the air inlet, the air inlet extends to the inside of separator main part to arc pipe on the fixedly connected with, the other end of going up the arc pipe is connected with the gas-liquid separation who colludes the shape and manages, the other end of gas-liquid separation pipe is connected with the one end of arc pipe down, the other end of arc pipe sets up to the opening down, the top of separator main part is provided with the gas vent, the lower of gas-liquid separation pipe is provided with the leakage. The utility model discloses can carry out twice separation to gas-liquid mixture for the separation effect is better, and gas-liquid separation is more thorough, has guaranteed the normal operation of compressor.

Description

A heat recovery multi-connected air-conditioning unit gas-liquid separator

technical field

The utility model relates to the technical field of gas-liquid separators, in particular to a gas-liquid separator for heat recovery multi-connected air-conditioning units.

Background technique

Heat recovery of the air conditioning system In the evaporator of the multi-connected air conditioner, due to the evaporation of the liquid refrigerant in the evaporator, the process of changing from liquid refrigerant to gas, considering the change of load, some of the refrigerant may not be completely evaporated , but will go directly to the compressor. Due to the incompressibility of liquid refrigerant, before entering the compressor, the gas and liquid must be separated from each other first to prevent the low-pressure and low-temperature steam returning to the compressor from carrying too much liquid refrigerant into the compressor cylinder to ensure that it enters the compressor. All of the machine is gas to ensure the normal operation of the compressor. In the prior art, the structure of the gas-liquid separator of most air conditioners is relatively simple, and the separation effect is not ideal after only one separation, and the liquid refrigerant will still enter the compressor. Therefore, we have designed a heat recovery multiple Combined air-conditioning unit gas-liquid separator to solve the above problems.

Contents of the invention

The purpose of the utility model is to solve the shortcomings in the prior art, and propose a heat recovery multi-connected air-conditioning unit gas-liquid separator.

In order to achieve the above object, the utility model adopts the following technical solutions:

A heat recovery multi-connected air-conditioning unit gas-liquid separator, comprising a separator main body, the interior of the separator main body is a hollow structure, and the bottom of the inner cavity of the separator main body is set as a funnel-shaped flow tube, the flow The bottom of the pipe is provided with a liquid outlet, and the liquid outlet extends to the outside of the separator body, and the upper side wall of the separator body is provided with an air inlet, and the air inlet extends to the inside of the separator body, and An upper arc tube is fixedly connected, the other end of the upper arc tube is connected with a hook-shaped gas-liquid separation tube, the other end of the gas-liquid separation tube is connected with one end of a lower arc tube, and the lower arc tube The other end of the pipe is set as an opening, the top of the separator main body is provided with an exhaust port, the lowest part of the gas-liquid separation pipe is provided with a liquid discharge port, and the liquid discharge port is connected to one end of a U-shaped pipe, the The other end of the U-shaped pipe is set as an opening, and the opening end is flush with the lowest point of the gas-liquid separation pipe.

Preferably, the connecting ends of the upper arc tube and the lower arc tube are provided with sealing gaskets.

Preferably, the bottom of the separator main body is equidistantly welded with a fixed bracket, and the bottom of the fixed bracket is pasted with a non-slip pad.

Preferably, the exhaust port extends to the outside of the separator main body and is connected to the compressor through a pipeline.

Preferably, one end of the plurality of liquid outlets located outside the main body of the separator communicates with the confluence pipe, and the other end of the confluence pipe is connected to the oil reservoir of the compressor.

Compared with the prior art, the beneficial effect of the utility model is: in the utility model, the gas-liquid mixture enters the inside of the separator body, and the gas-liquid separation is performed for the first time in the hook-shaped gas-liquid separation pipe, and the separated gas passes through The outlet of the lower arc tube enters the inner cavity of the main body of the separator, and the second gas-liquid separation is carried out by gravity. This device can separate the gas-liquid mixture twice, so that the separation effect is better and the gas-liquid separation is more thorough. Ensure the normal operation of the compressor.

Description of drawings

Fig. 1 is a structural schematic diagram of a heat recovery multi-connected air-conditioning unit gas-liquid separator proposed by the utility model;

Fig. 2 is a side view of the gas-liquid separation pipe of the gas-liquid separator of a heat recovery multi-connected air-conditioning unit proposed by the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

Referring to Figure 1-2, a heat recovery multi-connected air-conditioning unit gas-liquid separator, including a separator main body 1, the interior of the separator main body 1 is a hollow structure, and the bottom of the inner cavity of the separator main body 1 is set in a funnel shape The flow tube 2, the bottom of the flow tube 2 is provided with a liquid outlet 3, and the liquid outlet 3 extends to the outside of the separator main body 1, and one end of a plurality of liquid outlets 3 located outside the separator main body 1 is connected to the confluence pipe , and the other end of the confluence pipe and the oil reservoir of the compressor, the bottom of the separator main body 1 is equidistantly welded with a fixed bracket 4, and the bottom of the fixed bracket 4 is pasted with a non-slip pad, and the upper side wall of the separator main body 1 is set There is an air inlet 6, and the air inlet 6 extends to the inside of the separator main body 1, and is fixedly connected with an upper arc-shaped pipe 7, and the other end of the upper arc-shaped pipe 7 is connected with a hook-shaped gas-liquid separation pipe 5, and the gas-liquid The other end of the separating pipe 5 is connected with an end of the lower arc tube 8, the other end of the lower arc tube 8 is set as an opening, and the connecting ends of the upper arc tube 7 and the lower arc tube 8 are provided with sealing gaskets, and the separator The top of the main body 1 is provided with an exhaust port 11, and the exhaust port 11 extends to the outside of the separator main body 1 and is connected to the compressor through a pipeline. The lowest part of the gas-liquid separation pipe 5 is provided with a liquid discharge port 9, and the liquid discharge One end of a U-shaped pipe 10 is connected to the port 9 , and the other end of the U-shaped pipe 10 is set as an opening, and the open end is flush with the lowest point of the gas-liquid separation pipe 5 .

When the utility model is in use, the gas-liquid mixture enters the gas-liquid separation pipe 5 inside the separator main body 1 through the air inlet 6, and the gas-liquid separation is performed for the first time when passing through the hook-shaped gas-liquid separation pipe 5. The final gas enters the inner chamber of the separator main body 1 through the opening of the lower arc-shaped tube 8, and the liquid separated in the gas-liquid separation tube 5 flows into the U-shaped tube 10 along the liquid outlet 9, and is separated by the connecting device. , so that the liquid level heights at both ends of the U-shaped pipe 10 are the same, so as to prevent the gas from being sprayed from the liquid outlet 9 to the inner chamber of the separator main body 1 when passing through the gas-liquid separation pipe 5, the volume of liquid separated in the gas-liquid separation pipe 5 is greater than When the volume of the U-shaped tube 10 is high, the gas flowing out from the end of the U-shaped tube 10 away from the drain port 9 flows into the inner cavity of the separator main body 1, and the gas that enters the inner cavity of the separator main body 1 from the opening of the lower arc-shaped tube 8 The second gas-liquid separation is carried out under the action of gravity, the gas floats upwards, and enters the air conditioner compressor through the exhaust port 11, and the liquid separated during the second gas-liquid separation and the end of the U-shaped tube 10 away from the liquid discharge port 9 flow out The liquid flows along the funnel-shaped flow pipe 2 to the liquid outlet 3, and the liquid outlet 3 of the gas-liquid separator of multiple heat recovery multi-connected air-conditioning units is connected to the manifold, and the other end of the manifold is connected to the compressor In the oil storage device, this device can separate the gas-liquid mixture twice, so that the separation effect is better, the gas-liquid separation is more thorough, and the normal operation of the compressor is guaranteed.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (5)

1. A heat recovery multi-connected air-conditioning unit gas-liquid separator, including a separator main body (1), characterized in that the interior of the separator main body (1) is a hollow structure, and the inside of the separator main body (1) The bottom of the cavity is set as a funnel-shaped flow tube (2), and the bottom of the flow tube (2) is set with a liquid outlet (3), and the liquid outlet (3) extends to the outside of the separator body (1) , the upper side wall of the separator main body (1) is provided with an air inlet (6), and the air inlet (6) extends to the inside of the separator main body (1), and is fixedly connected with an upper arc-shaped pipe ( 7), the other end of the upper arc tube (7) is connected with a hook-shaped gas-liquid separation tube (5), and the other end of the gas-liquid separation tube (5) is connected with the lower arc tube (8) One end, the other end of the lower arc tube (8) is set as an opening, the top of the separator body (1) is set with an exhaust port (11), and the lowest part of the gas-liquid separation tube (5) is set There is a liquid discharge port (9), and the liquid discharge port (9) is connected to one end of a U-shaped pipe (10), the other end of the U-shaped pipe (10) is set as an opening, and the open end is connected to the gas-liquid separation pipe ( 5) The lowest part is flush. 2. A gas-liquid separator for heat recovery multi-connected air-conditioning units according to claim 1, characterized in that the connecting ends of the upper arc-shaped tube (7) and the lower arc-shaped tube (8) are both provided with Gasket. 3. A heat recovery multi-connected air-conditioning unit gas-liquid separator according to claim 1, characterized in that, the bottom of the separator main body (1) is equidistantly welded with a fixed bracket (4), and the fixed bracket (4) There is a non-slip mat attached to the bottom. 4. A heat recovery multi-connected air-conditioning unit gas-liquid separator according to claim 1, characterized in that the exhaust port (11) extends to the outside of the separator main body (1), and is connected with the Compressor connection. 5. A heat recovery multi-connected air-conditioning unit gas-liquid separator according to claim 1, characterized in that one end of the plurality of liquid outlets (3) located outside the separator main body (1) is connected to the confluence On the pipe, and the other end of the confluence pipe is connected to the oil reservoir of the compressor.