CN220507336U

CN220507336U - Gas-liquid separator

Info

Publication number: CN220507336U
Application number: CN202322051997.0U
Authority: CN
Inventors: 胡臻; 何金娜; 张斌
Original assignee: Zhejiang Dingnuo Energy Equipment Co ltd
Current assignee: Zhejiang Dingnuo Energy Equipment Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-20
Anticipated expiration: 2033-08-01

Abstract

The utility model provides a gas-liquid separator, which comprises a tank body, an air inlet pipe arranged below the tank body and an air outlet pipe arranged above the tank body, wherein the air inlet pipe and the air outlet pipe are horizontally arranged on the tank body, and a liquid outlet pipe is arranged on the tank body at a position corresponding to the lower part of the air inlet pipe; the two air inlet pipes are correspondingly arranged, an obliquely downward opening is formed in one end of each air inlet pipe extending into the tank body, an air passing gap is formed between the two air inlet pipes, and a liquid collecting component is arranged at a position, corresponding to the upper part of the air passing gap, in the tank body; the one end that the outlet duct stretched into the jar body is equipped with vertical ascending kink, and the position that corresponds between kink and the jar body on the outlet duct is equipped with the gas passing hole, the gas passing hole sets up two along the length direction interval of outlet duct at least, and every gas passing hole all sets up towards jar body below. The utility model provides a gas-liquid separator which has the advantages of simple structure, easy use and good separation effect.

Description

Gas-liquid separator

Technical Field

The utility model belongs to the field of gas-liquid separation, and particularly relates to a gas-liquid separator.

Background

The main function of the gas-liquid separator is to store part of the refrigerant in the system, so as to prevent the compressor from being impacted by liquid and excessive refrigerant to dilute the compressor oil. At the same time, the gas-liquid separator should also be able to send enough refrigerant and oil back to the compressor, maintaining the operating efficiency of the system and the oil level in the crankcase. Furthermore, when the heat pump is operated in a heating state, the gas-liquid separator should be able to prevent excessive liquid from entering the compressor after and during the period when the ambient temperature leaves the control value of the temperature controller. And when the ambient temperature decreases, the gas-liquid separator actually stores a portion of the liquid refrigerant in the system. So that the refrigeration oil, liquid refrigerant and gaseous refrigerant in the system are separated from each other to avoid damage to the compressor.

However, the existing gas-liquid separator has limited gas-liquid separation effect, generally adopts a cyclone separation principle to separate liquid drops, has poor separation effect on fine liquid drops, causes poor gas-liquid separation effect, and further causes that the refrigeration system cannot obtain optimal working effect because the content of lubricating oil in the compressor is lower than that in an initial state after the refrigeration system runs for a period of time.

Disclosure of Invention

In view of the above, the present utility model aims to provide a gas-liquid separator, so as to solve the problem that the existing cyclone gas-liquid separator has poor separation effect on fine droplets and affects the working effect of a refrigeration system.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the gas-liquid separator comprises a tank body, an air inlet pipe arranged below the tank body and an air outlet pipe arranged above the tank body, wherein the air inlet pipe and the air outlet pipe are horizontally arranged on the tank body, and a liquid outlet pipe is arranged on the tank body at a position corresponding to the lower part of the air inlet pipe; the two air inlet pipes are correspondingly arranged, an obliquely downward opening is formed in one end of each air inlet pipe extending into the tank body, an air passing gap is formed between the two air inlet pipes, and a liquid collecting component is arranged at a position, corresponding to the upper part of the air passing gap, in the tank body; the one end that the outlet duct stretched into the jar body is equipped with vertical ascending kink, and the position that corresponds between kink and the jar body on the outlet duct is equipped with the gas passing hole, the gas passing hole sets up two along the length direction interval of outlet duct at least, and every gas passing hole all sets up towards jar body below.

Further, the liquid collecting component comprises a liquid collecting cover arranged on the tank body, a concave part is arranged on one side, facing the air inlet pipe, of the liquid collecting cover, and a ventilation gap is formed between the left side and the right side of the liquid collecting cover and the inner wall of the tank body.

Further, the concave part is provided with interception bars, at least two interception bars are arranged on the left side and the right side of the gas collecting hood, the length direction of each interception bar is identical to the length direction of the gas inlet pipe, the uniform sides of the interception bars are arranged on the gas collecting hood, and the other sides of the interception bars face the gas inlet pipe.

Further, a gas-liquid filter screen is arranged in the tank body at a position corresponding to the position between the liquid collecting cover and the air outlet pipe.

Further, a safety valve interface is arranged on the tank body corresponding to the position above the air outlet pipe.

Further, a liquid level meter interface is arranged at the position, corresponding to the lower part of the air outlet pipe, on the tank body.

Furthermore, an oil return pipe is arranged at the position of the tank body corresponding to the liquid outlet pipe.

Further, at least three supporting legs are uniformly arranged around the tank body, and a grounding plate is arranged on at least one supporting leg.

Further, the inclined plane at the opening of the air inlet pipe is arranged at an angle of 45 degrees with the air inlet pipe.

Further, the number of the air passing holes is four at intervals, and the diameter of each air passing hole is 6mm.

Compared with the prior art, the gas-liquid separator has the following advantages:

the utility model provides a gas-liquid separator which has the advantages of simple structure, easy use and good separation effect. Through setting up two intake pipes to correspond the setting with two intake pipes, can make the air current that gets into the jar body through the intake pipe collide, at the air current collision in-process, tiny liquid drop in the air current can collide with great liquid drop, and then realize tiny liquid drop's gathering, make tiny liquid drop can assemble great liquid drop, thereby be favorable to the liquid drop to the jar body below whereabouts under the effect of self gravity, realize the effective separation to tiny liquid drop. In addition, through setting up decurrent opening to one side on the gas collection jar, can make the air current that two intake pipes got into flow downwards after the collision, can further drive the liquid droplet to jar body below remove to be favorable to further improving gas-liquid separation effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a gas-liquid separator according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural view of an air inlet pipe of a tank body in a gas-liquid separator according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a liquid collecting cover in a gas-liquid separator according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a tank body; 2. a level gauge interface; 3. an air outlet pipe; 4. a safety valve interface; 5. an air inlet pipe; 6. a support leg; 7. an oil return pipe; 8. a liquid outlet pipe; 9. a ground plate; 10. an opening; 11. a liquid collecting cover; 12. intercepting strips; 13. a bracket; 14. a gas-liquid filter screen; 15. air passing holes; 16. a bending part; 17. and a liquid passing hole.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The utility model provides a gas-liquid separator, as shown in fig. 1 to 5, includes the intake pipe 5 that jar body 1, jar body 1 below set up and the outlet duct 3 that jar body 1 top set up, intake pipe 5 and outlet duct 3 all level set up on jar body 1, the position that corresponds intake pipe 5 below on jar body 1 is equipped with drain pipe 8. Illustratively, the air inlet pipe 5, the air outlet pipe 3 and the liquid outlet pipe 8 can be fixed on the tank 1, so as to realize communication between the three and the tank 1.

Specifically, two air inlet pipes 5 are correspondingly arranged, an obliquely downward opening 10 is formed at one end of each air inlet pipe 5 extending into the tank body 1, an air passing gap exists between the two air inlet pipes 5, and a liquid collecting component is arranged in the tank body 1 at a position above the corresponding air passing gap; one end of the air outlet pipe 3 extending into the tank body 1 is provided with a vertical upward bending part 16, an air passing hole 15 is arranged on the air outlet pipe 3 corresponding to the position between the bending part 16 and the tank body 1, at least two air passing holes 15 are arranged at intervals along the length direction of the air outlet pipe 3, and each air passing hole 15 is arranged towards the lower side of the tank body 1.

In the practical application process, the inclined plane at the opening 10 of the air inlet pipe 5 is arranged at an angle of 45 degrees with the air inlet pipe 5. Through setting up two intake pipes 5 to with two intake pipes 5 corresponding settings, can make the air current that gets into jar body 1 through intake pipe 5 collide, in the air current collision process, tiny liquid drop in the air current can collide with great liquid drop, and then realize tiny liquid drop's gathering, make tiny liquid drop can assemble great liquid drop, thereby be favorable to the liquid drop to jar body 1 below whereabouts under the effect of self gravity, realize the effective separation to tiny liquid drop. In addition, through setting up decurrent opening 10 on the gas collection jar, can make the air current that two intake pipes 5 got into flow downwards after the collision, can further drive the liquid droplet to jar body 1 below removal to be favorable to further improving gas-liquid separation effect.

Alternatively, four air passing holes 15 are arranged at intervals, and the diameter of each air passing hole 15 is 6mm. The air passing holes 15 can balance the internal and external pressure of the air outlet pipe 3 and reduce the internal and external pressure difference of the air outlet pipe 3 so as to ensure that air flow can smoothly pass through the air outlet pipe 3 and be discharged out of the tank body 1.

Optionally, the liquid collecting assembly comprises a liquid collecting cover 11 arranged on the tank body 1, a concave part is arranged on one side, facing the air inlet pipe 5, of the liquid collecting cover 11, and a ventilation gap is formed between the left side and the right side of the liquid collecting cover 11 and the inner wall of the tank body 1. Illustratively, the liquid collecting cover 11 may be fixed on the tank body 1, and the whole liquid collecting cover 11 may have an arc structure, so as to cover the overair gap, so that the liquid drops generated during the collision of the air flow may collide with the liquid collecting cover 11 again, the liquid collecting cover 11 may further collect the liquid drops, and the liquid drops attached to the liquid collecting cover 11 may finally drop under the action of gravity. Through setting up the liquid collecting cover 11 in the position of passing the air gap top, can avoid the air current after the collision to carry the liquid droplet direct upward flow, the air current can reverse flow downwards under the barrier of liquid collecting cover 11 to it can fall into jar body 1 below downwards to drive more liquid droplets.

In the practical application process, the concave part is provided with the interception bars 12, at least two interception bars 12 are arranged on the left side and the right side of the gas collecting hood corresponding to the interception bars 12, the length direction of each interception bar 12 is the same as the length direction of the gas inlet pipe 5, the uniform sides of the interception bars 12 are arranged on the gas collecting hood 11, and the other sides of the interception bars are arranged towards the gas inlet pipe 5. For example, two, four or six interception bars 12 may be provided correspondingly, and each interception bar 12 is fixed to the liquid collecting cover 11. Through setting up interception strip 12, when the air current striking back flows along the surface of liquid collecting cover 11 depressed part, interception strip 12 can play good interception and the effect of gathering to the liquid droplet in the air current, and tiny liquid droplet can be in interception strip 12 department gathers to finally fall into jar body 1 below under the effect of self gravity. Furthermore, the interception strip 12 can reduce the flow rate of the air flow, so as to avoid that the excessively fast air flow brings liquid drops above the tank 1.

Optionally, a gas-liquid filter screen 14 is arranged in the tank body 1 at a position corresponding to the position between the liquid collecting cover 11 and the air outlet pipe 3. The support 13 for installing the gas-liquid filter 14 may be fixed on the tank 1, the gas-liquid filter 14 may be installed and fixed on the support 13 by screws, and a person skilled in the art may also select other ways to install the gas-liquid filter 14 according to actual needs, where the gas-liquid filter 14 is a common component in a gas-liquid separator, and a person skilled in the art can clearly know what type of filter is used and the corresponding installation mode in combination with the prior art, so that the description is omitted herein. Through setting up gas-liquid filter screen 14 in jar body 1, gas-liquid filter screen 14 can be further to tiny liquid drop play the interception effect for tiny liquid drop can assemble into great liquid drop under the effect of gas-liquid filter screen 14, and flow along liquid collecting cover 11 upper surface, until finally fall into jar body 1 below.

In an alternative embodiment, the liquid collecting cover 11 may also be provided with a liquid through hole 17, and by providing the liquid through hole 17 on the liquid collecting cover 11, liquid drops flowing along the upper surface of the liquid collecting cover 11 can fall under the tank 1 through the liquid through hole 17. In addition, as the air flow flows through the lower surface of the gas collecting hood, according to the Bernoulli principle, the flow velocity of the lower surface of the gas collecting hood is high, the pressure is low, liquid drops on the upper surface of the gas collecting hood can be driven to pass through the liquid passing holes 17, and the liquid drops passing through the liquid passing holes 17 can continuously flow downwards along the surface of the concave part of the liquid collecting hood 11 under the action of self gravity. Meanwhile, the liquid drops can easily form a layer of oil film on the surface of the concave part of the liquid collecting cover 11 under the action of the air flow, and the tiny liquid drops in the air flow can be more easily attached to the surface of the concave part of the liquid collecting cover 11 under the action of the oil film, so that the gathering effect of the liquid collecting cover 11 on the tiny liquid drops is further improved.

Optionally, a safety valve interface 4 is arranged on the tank body 1 at a position corresponding to the upper part of the air outlet pipe 3. For example, a person skilled in the art can install a safety valve on the safety valve interface 4 according to actual needs, for overpressure relief, to ensure safe operation of the tank 1. The safety valve and the corresponding installation mode can be selected by a person skilled in the art according to actual needs, and the installation of the safety valve on the tank 1 belongs to the conventional technology in the art, so that the description is omitted here.

Optionally, a liquid level meter interface 2 is arranged on the tank body 1 at a position corresponding to the lower part of the air outlet pipe 3. For example, a person skilled in the art may install the liquid level meter on the liquid level meter interface 2 according to actual needs, so as to be used for observing the liquid level condition in the tank body 1, the liquid level meter may also be connected with an existing control system, so as to realize real-time monitoring of the liquid level, and in order to realize monitoring of the liquid level, a plurality of liquid level meter interfaces 2 may also be provided on the tank body 1, so that the person skilled in the art may install the liquid level meter according to actual needs. The proper level gauge and the corresponding installation mode can be selected according to actual needs by a person skilled in the art, and the installation of the level gauge on the tank 1 belongs to the conventional technology in the art, so that the details are not repeated here.

In addition, when the corresponding equipment is not installed on each interface, the detachable plugging cover can be utilized for plugging, for example, the flange cover is utilized for plugging, and the plugging cover is utilized for plugging the useless interfaces so as to avoid interface leakage, thus the plugging method belongs to common technical means for the person skilled in the art, and the person skilled in the art can also select a proper plugging mode according to actual needs, and the details are not repeated here.

Optionally, an oil return pipe 7 is arranged on the tank body 1 at a position corresponding to the liquid outlet pipe 8. Illustratively, the oil return pipe 7 is fixed on the tank 1, and the oil return pipe 7 may be connected to the compressor through a connection pipe, so that the frozen oil in the tank 1 can flow back to the compressor through the oil return pipe 7, thereby ensuring the working effect of the compressor.

Optionally, at least three supporting legs 6 are uniformly arranged around the tank body 1, and a grounding plate 9 is arranged on at least one supporting leg 6. Illustratively, three, four or more legs 6 may be uniformly provided, each leg 6 being fixed to the tank 1, and the ground plate 9 may be fixed to the leg 6. Through setting up a plurality of stabilizer blades 6, be favorable to improving the stability of jar body 1, ground plate 9 then can be used to the installation earth connection to realize jar body 1's ground connection, be favorable to improving jar body 1's security in the use.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A gas-liquid separator, characterized in that: the novel water tank comprises a tank body (1), an air inlet pipe (5) arranged below the tank body (1) and an air outlet pipe (3) arranged above the tank body (1), wherein the air inlet pipe (5) and the air outlet pipe (3) are horizontally arranged on the tank body (1), and a liquid outlet pipe (8) is arranged at a position, corresponding to the lower part of the air inlet pipe (5), on the tank body (1); two air inlet pipes (5) are correspondingly arranged, an obliquely downward opening (10) is formed in one end, extending into the tank body (1), of each air inlet pipe (5), an air passing gap is formed between the two air inlet pipes (5), and a liquid collecting component is arranged in the tank body (1) at a position corresponding to the upper part of the air passing gap; one end that outlet duct (3) stretched into jar body (1) is equipped with vertical ascending kink (16), and the position that corresponds between kink (16) and the jar body (1) on outlet duct (3) is equipped with and crosses gas pocket (15), it sets up two at least at intervals along the length direction of outlet duct (3) to cross gas pocket (15), and every crosses gas pocket (15) all towards jar body (1) below setting.

2. A gas-liquid separator according to claim 1, wherein: the liquid collecting assembly comprises a liquid collecting cover (11) arranged on the tank body (1), a concave part is arranged on one side, facing the air inlet pipe (5), of the liquid collecting cover (11), and a ventilation gap is formed between the left side and the right side of the liquid collecting cover (11) and the inner wall of the tank body (1).

3. A gas-liquid separator according to claim 2, characterized in that: the air collecting device is characterized in that the concave part is provided with interception strips (12), at least two interception strips (12) are arranged on the left side and the right side of the air collecting cover, the length direction of each interception strip (12) is identical to the length direction of the air inlet pipe (5), the uniform sides of the interception strips (12) are arranged on the liquid collecting cover (11), and the other sides of the interception strips are arranged towards the air inlet pipe (5).

4. A gas-liquid separator according to claim 2 or 3, characterized in that: a gas-liquid filter screen (14) is arranged in the tank body (1) at a position corresponding to the position between the liquid collecting cover (11) and the air outlet pipe (3).

5. A gas-liquid separator according to claim 1, wherein: a safety valve interface (4) is arranged on the tank body (1) corresponding to the position above the air outlet pipe (3).

6. A gas-liquid separator according to claim 1, wherein: the tank body (1) is provided with a liquid level meter interface (2) at a position corresponding to the lower part of the air outlet pipe (3).

7. A gas-liquid separator according to claim 1, wherein: an oil return pipe (7) is arranged at the position of the tank body (1) corresponding to the liquid outlet pipe (8).

8. A gas-liquid separator according to claim 1, wherein: at least three supporting legs (6) are uniformly arranged around the tank body (1), and a grounding plate (9) is arranged on at least one supporting leg (6).

9. A gas-liquid separator according to claim 1, wherein: the inclined plane at the opening (10) of the air inlet pipe (5) is arranged at an angle of 45 degrees with the air inlet pipe (5).

10. A gas-liquid separator according to claim 1, wherein: the number of the air passing holes (15) is four at intervals, and the diameter of each air passing hole (15) is 6mm.