CN212778061U - Gas-liquid separation device - Google Patents

Abstract

The utility model relates to a gas-liquid separation device, which comprises a cylinder body with an upper end enclosure and a lower end enclosure, wherein an air inlet pipe assembly and an air outlet pipe assembly penetrate through the upper end enclosure and extend into the cylinder body; a coil pipe is arranged in the cylinder body, two ends of the coil pipe are respectively connected with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe penetrate through the lower end enclosure and are fixed on the base; the coil pipe is characterized in that the air outlet pipe assembly is located in a cylinder cavity formed by coiling the coil pipe, the air outlet pipe assembly comprises a straight pipe A, an elbow pipe and a straight pipe B which are connected, a through hole is formed in the bottom of the elbow pipe, the through hole is communicated with a connecting pipe, and a filter screen is arranged at the end of the connecting pipe. The utility model provides a gas-liquid separation device is through adding the coil pipe that has the heat transfer ability in the barrel, and the liquid in the liquid reservoir is in the coil pipe, and the gas-liquid two-phase medium that gets into through the intake pipe subassembly exchanges heat with the liquid in the coil pipe, makes the liquid in the coexistence gas become the vapour state, then reentrant compressor has guaranteed that the gas that gets into in the compressor is pure gaseous.

Description

Gas-liquid separation device

Technical Field

The utility model relates to a gas-liquid separation technical field, concretely relates to gas-liquid separation device.

Background

In an air-conditioning refrigeration system, a refrigerant pipeline can be divided into a high-pressure part and a low-pressure part, and the high-pressure refrigerant has higher temperature and needs a condenser for cooling; however, the low pressure of the evaporator requires a gas-liquid separator to separate the gaseous refrigerant from the liquid refrigerant, and the liquid refrigerant needs time and temperature to be increased and evaporated to become gaseous refrigerant which can enter the compressor, so that liquid compression is avoided, and the service life of the compressor is prolonged.

The existing gas-liquid separator utilizes gravity settling to perform gas-liquid separation. Not only the separation effect is poor, but also the separated liquid medium is not recycled, thus causing the loss of the working medium of the refrigeration system.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current technical problem, provide a gas-liquid separation device.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a gas-liquid separation device comprises a cylinder body with an upper end enclosure and a lower end enclosure, wherein a gas inlet pipe assembly and a gas outlet pipe assembly penetrate through the upper end enclosure and extend into the cylinder body;

a coil pipe is arranged in the cylinder body, two ends of the coil pipe are respectively connected with a liquid inlet pipe and a liquid outlet pipe, and the liquid inlet pipe and the liquid outlet pipe penetrate through the lower end enclosure and are fixed on the base;

the coil pipe is characterized in that the air outlet pipe assembly is located in a cylinder cavity formed by coiling the coil pipe, the air outlet pipe assembly comprises a straight pipe A, an elbow pipe and a straight pipe B which are connected, a through hole is formed in the bottom of the elbow pipe, the through hole is communicated with a connecting pipe, and a filter screen is arranged at the end of the connecting pipe.

The utility model has the advantages that: the utility model provides a gas-liquid separation device is through adding the coil pipe that has the heat transfer ability in the barrel, and the liquid in the liquid reservoir is in the coil pipe, and the gas-liquid two-phase medium that gets into through the intake pipe subassembly exchanges heat with the liquid in the coil pipe, makes the liquid in the coexistence gas become the vapour state, then reentrant compressor has guaranteed that the gas that gets into in the compressor is pure gaseous. And the liquid in the coil pipe can become the supercooled liquid, the supercooled liquid is provided for the rear-end evaporator, the evaporator is more favorable in evaporation effect, and the installation space and the use cost of customers are saved.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

further, the intake pipe subassembly includes intake pipe, baffle and a plurality of air inlet, the baffle sets up the tip at the intake pipe, be equipped with a plurality of air inlets on the lateral wall of intake pipe and the adjacent department of baffle.

The beneficial effect of adopting the further technical scheme is that: the contact area of the gas-liquid two-phase medium and the coil can be increased by arranging the plurality of gas inlets, so that the heat exchange effect is improved.

Further, liquid inlet pipe and drain pipe set up on the lateral wall of barrel.

The beneficial effect of adopting the further technical scheme is that: through setting up feed liquor pipe and drain pipe on the lateral wall, processing is convenient, the connection of the pipeline of being convenient for simultaneously.

Furthermore, the filter screen is fixed on the connecting pipe through a pressure ring.

The beneficial effect of adopting the further technical scheme is that: the filter screen is fixed on the connecting pipe through the compression ring, so that the firmness of the filter screen can be improved.

Further, the end of the straight tube B is an oblique opening, and the angle delta of the oblique opening is 45 degrees.

The beneficial effect of adopting the further technical scheme is that: the inlet of the air outlet pipe assembly in the cylinder body is arranged to be an inclined opening, so that the air outlet quantity of gas can be increased, and the normal operation of the refrigerating system is ensured.

Further, an oil drain pipe is arranged on the lower end socket.

The beneficial effect of adopting the further technical scheme is that: when the cylinder contains more liquid-phase media, the liquid-phase media can be led out through the oil drain pipe, so that the normal operation of the compressor is prevented from being influenced by the fact that the liquid-phase media are taken away by gas.

Furthermore, a safety valve interface is arranged on the upper end enclosure.

The beneficial effect of adopting the further technical scheme is that: the safety valve can be installed by arranging the safety valve interface, so that the normal operation of the gas-liquid separation device is ensured.

Further, feed liquor pipe and drain pipe are the L type, be equipped with the recess that holds feed liquor pipe and drain pipe on the base.

The beneficial effect of adopting the further technical scheme is that: through setting up feed liquor pipe and drain pipe into the L type, processing is convenient, through set up the recess on the base, and the fastness of multiplicable feed liquor pipe and drain pipe avoids rocking.

Drawings

FIG. 1 is a schematic structural view of a gas-liquid separation apparatus according to example 1 of the present application;

FIG. 2 is a schematic structural view of an intake manifold assembly;

FIG. 3 is a schematic structural view of an outlet tube assembly;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a schematic structural view of a coil assembly;

fig. 6 is a schematic structural diagram of embodiment 2 of the present application.

The reference numbers are recorded as follows: the device comprises an air inlet pipe assembly 1, an air inlet pipe 1-1, a baffle plate 1-2, an air inlet 1-3, an air outlet pipe assembly 2, a straight pipe A2-1, an elbow pipe 2-2, a through hole 2-2-1, a straight pipe B2-3, an upper end enclosure 3, a barrel 4, a coil pipe assembly 5, a liquid inlet pipe 5-1, a liquid outlet pipe 5-2, a coil pipe 5-3, a lower end enclosure 6, an oil discharge pipe 7, a base 8, a safety valve interface 9, a connecting pipe 10, a filter screen 11 and a compression ring 12.

Detailed Description

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or assembly must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1: a gas-liquid separation device (see figures 1 to 5) comprises a cylinder body 4 with an upper end enclosure 3 and a lower end enclosure 6, wherein a gas inlet pipe assembly 1 and a gas outlet pipe assembly 2 penetrate through the upper end enclosure 3 and extend into the cylinder body 4; the gas inlet pipe assembly 1 is arranged at the upper part of the cylinder 4, so that liquid contained in gas is separated under the action of gravity, and the separated liquid is vaporized into gas under the action of the coil pipes 5-3.

A coil pipe 5-3 is arranged in the cylinder 4, two ends of the coil pipe 5-3 are respectively connected with a liquid inlet pipe 5-1 and a liquid outlet pipe 5-2, and the liquid inlet pipe 5-1 and the liquid outlet pipe 5-2 penetrate through the lower end enclosure 6 and are fixed on a base 8; the liquid inlet pipe 5-1, the liquid outlet pipe 5-2 and the coil pipe 5-3 form a coil pipe assembly 5. In order to increase the heat exchange effect, the coil pipe 5-3 is arranged in a cavity at the lower part of the cylinder 4.

The air outlet pipe assembly 2 is located in a cylinder cavity formed by the spiral of the coil pipe 5-3, the air outlet pipe assembly 2 comprises a straight pipe A2-1, an elbow pipe 2-2 and a straight pipe B2-3 which are connected, a through hole 2-2-1 is formed in the bottom of the elbow pipe 2-2, the through hole 2-2-1 is communicated with the connecting pipe 10, and a filter screen 11 is arranged at the end of the connecting pipe 10. The filter screen 11 can be a stainless steel metal net, and the mesh number of the filter screen 11 is 30 meshes.

The air inlet pipe assembly 1 comprises an air inlet pipe 1-1, a baffle plate 1-2 and a plurality of air inlets 1-3, the baffle plate 1-2 is arranged at the end part of the air inlet pipe 1-1, and the side wall of the air inlet pipe 1-1 adjacent to the baffle plate 1-2 is provided with the plurality of air inlets 1-3. The baffle 1-2 and the air inlet pipe 1-1 can be of an integrated structure or a split structure.

The filter screen 11 is fixed on the adapter tube 10 through a press ring 12. The tip of takeover 10 sets up the holding tank, and clamping ring 12 is installed in the holding tank, and clamping ring 12 is the becket, and in order to guarantee the fastness fixed to filter screen 11, clamping ring 12 can weld on takeover 10.

The end part of the straight pipe B2-3 is an inclined opening, and the angle delta of the inclined opening is 45 degrees.

And an oil drain pipe 7 is arranged on the lower end socket 6.

And a safety valve interface 9 is arranged on the upper end enclosure 3.

The liquid inlet pipe 5-1 and the liquid outlet pipe 5-2 are L-shaped, and the base 8 is provided with a groove for accommodating the liquid inlet pipe 5-1 and the liquid outlet pipe 5-2. The groove is a U-shaped groove, and the liquid inlet pipe 5-1 and the liquid outlet pipe 5-2 are clamped in the U-shaped groove.

Example 2: please refer to fig. 6, which is a schematic structural diagram of an embodiment 2 of the gas-liquid separation apparatus of the present application, and is different from embodiment 1, in embodiment 2, the liquid inlet pipe 5-1 and the liquid outlet pipe 5-2 are disposed on a side wall of the cylinder 4. The rest is the same as the embodiment 1, and the description is omitted.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (8)

1. A gas-liquid separation device is characterized by comprising a cylinder (4) with an upper end enclosure (3) and a lower end enclosure (6), wherein a gas inlet pipe assembly (1) and a gas outlet pipe assembly (2) penetrate through the upper end enclosure (3) and extend into the cylinder (4);

a coil pipe (5-3) is arranged in the barrel (4), two ends of the coil pipe (5-3) are respectively connected with a liquid inlet pipe (5-1) and a liquid outlet pipe (5-2), and the liquid inlet pipe (5-1) and the liquid outlet pipe (5-2) penetrate through the lower end enclosure (6) and are fixed on a base (8);

the air outlet pipe assembly (2) is located in a cylinder cavity formed by coiling the coil pipe (5-3), the air outlet pipe assembly (2) comprises a straight pipe A (2-1), an elbow pipe (2-2) and a straight pipe B (2-3) which are connected, a through hole (2-2-1) is formed in the bottom of the elbow pipe (2-2), the through hole (2-2-1) is communicated with the connecting pipe (10), and a filter screen (11) is arranged at the end of the connecting pipe (10).

2. The gas-liquid separation device according to claim 1, wherein the gas inlet pipe assembly (1) comprises a gas inlet pipe (1-1), a baffle plate (1-2) and a plurality of gas inlets (1-3), the baffle plate (1-2) is arranged at the end of the gas inlet pipe (1-1), and the plurality of gas inlets (1-3) are arranged on the side wall of the gas inlet pipe (1-1) adjacent to the baffle plate (1-2).

3. Gas-liquid separation device according to claim 1, characterized in that the liquid inlet pipe (5-1) and the liquid outlet pipe (5-2) are provided on the side wall of the cylinder (4).

4. The gas-liquid separation device according to claim 1, wherein the filter net (11) is fixed to the adapter (10) by a pressing ring (12).

5. The gas-liquid separation device according to claim 1, wherein the end of the straight tube B (2-3) is a beveled opening having an angle δ of 45 °.

6. The gas-liquid separation device according to claim 1, wherein an oil drain pipe (7) is provided on the lower head (6).

7. The gas-liquid separation device according to claim 1, wherein a safety valve interface (9) is provided on the upper head (3).

8. The gas-liquid separation device according to claim 1, wherein the liquid inlet pipe (5-1) and the liquid outlet pipe (5-2) are L-shaped, and the base (8) is provided with grooves for accommodating the liquid inlet pipe (5-1) and the liquid outlet pipe (5-2).

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