阅读说明：本技术 气液分离器 (Gas-liquid separator ) 是由 冯占辉 薛芳 苏秀平 梅露 于 2020-06-03 设计创作，主要内容包括：本申请提供一种气液分离器,其包括壳体组件和数个第一筋条。壳体组件具有限定壳体容腔的内侧壁,壳体组件包括入口、气体出口和液体出口。入口、气体出口和液体出口与壳体容腔连通。入口设置在壳体容腔的内侧壁上,气体出口设置在入口的上方,液体出口设置在入口的下方。数个第一筋条设置在壳体组件的内侧壁上。其中,数个第一筋条中的每一个相对于壳体组件的高度方向成角度布置,并且数个第一筋条中的每一个包括第一筋条迎风端和第一筋条背风端,在从入口进入壳体容腔的流体的流动方向上,第一筋条迎风端位于第一筋条背风端的上游,在壳体组件的高度方向上,第一筋条迎风端高于第一筋条背风端。气液分离器结构紧凑,整体体积小,分离效率高。(The application provides a vapour and liquid separator, it includes housing assembly and several first rib. The housing assembly has an inner sidewall defining a housing plenum, the housing assembly including an inlet, a gas outlet, and a liquid outlet. The inlet, gas outlet and liquid outlet are in communication with the housing cavity. The inlet is arranged on the inner side wall of the housing cavity, the gas outlet is arranged above the inlet, and the liquid outlet is arranged below the inlet. The first rib of several sets up on the inside wall of casing subassembly. Each of the plurality of first ribs is arranged at an angle relative to the height direction of the shell assembly, each of the plurality of first ribs comprises a first rib windward end and a first rib leeward end, the first rib windward end is located at the upstream of the first rib leeward end in the flowing direction of fluid entering the cavity of the shell from the inlet, and the first rib windward end is higher than the first rib leeward end in the height direction of the shell assembly. The gas-liquid separator has compact structure, small integral volume and high separation efficiency.)

1. A gas-liquid separator characterized by: the gas-liquid separator includes:

a housing assembly (102), the housing assembly (102) having an inner sidewall defining a housing plenum (142), the housing assembly (102) including an inlet (132), a gas outlet (134), and a liquid outlet (136), the inlet (132), the gas outlet (134), and the liquid outlet (136) being in communication with the housing plenum (142), the inlet (132) being disposed on the inner sidewall of the housing plenum (142), the gas outlet (134) being disposed above the inlet (132), the liquid outlet (136) being disposed below the inlet (132); and

a plurality of first ribs (222), the plurality of first ribs (222) disposed on the inner side wall of the housing assembly (102);

wherein each of the plurality of first ribs (222) is arranged at an angle with respect to a height direction of the housing assembly (102) and each of the plurality of first ribs (222) comprises a first rib windward end and a first rib leeward end, wherein the first rib windward end is located upstream of the first rib leeward end in a flow direction of the fluid entering the housing plenum (142) from the inlet (132), and wherein the first rib windward end is higher than the first rib leeward end in the height direction of the housing assembly (102).

2. The gas-liquid separator of claim 1, wherein:

the housing assembly (102) includes an outer housing (122) and a housing liner (104), the housing liner (104) being disposed within the outer housing (122) and an inner sidewall defining the housing pocket (142) being formed by the housing liner (104).

3. The gas-liquid separator of claim 1, wherein:

each of the plurality of first ribs (222) forms an angle of more than 0 DEG and 45 DEG or less with respect to the height direction.

4. The gas-liquid separator of claim 2, wherein:

the number of first ribs (222) is arranged in a plurality of groups of first ribs (222);

wherein each set of first ribs (222) is arranged in a height direction of the housing assembly (102), and the plurality of sets of first ribs (222) are arranged in a circumferential direction of the housing assembly (102) and spaced apart from each other.

5. The gas-liquid separator of claim 4, wherein:

in the flow direction of fluid entering the housing plenum (142) from the inlet (132), for adjacent first ribs (222), first rib leeward ends of first ribs (222) at a higher elevation are located downstream of first rib leeward ends of first ribs (222) at a lower elevation.

6. The gas-liquid separator of claim 1, wherein: the gas-liquid separator further includes:

an inner sleeve (106), the inner sleeve (106) disposed in the housing pocket (142); an outer sidewall of the inner sleeve (106) is spaced from the inner sidewall defining the housing pocket (142) to form an annular passage, the inlet (132) communicating with the annular passage;

the inner sleeve (106) further comprises a plurality of second ribs (322), the plurality of second ribs (322) being disposed on the outer sidewall of the inner sleeve body (302);

wherein each of the plurality of second ribs (322) is arranged at an angle with respect to a height direction of the housing assembly (102), and each of the plurality of second ribs (322) comprises a second rib windward end and a second rib leeward end, wherein the second rib windward end is located upstream of the second rib leeward end in a flow direction of the fluid entering the housing plenum (142) from the inlet (132), and the second rib windward end is higher than the second rib leeward end in the height direction of the housing assembly (102).

7. The gas-liquid separator of claim 6, wherein:

the inner sleeve (106) comprises an inner sleeve body (302), the inner sleeve body (302) defining an inner sleeve volume (304), the inner sleeve volume (304) being in communication with the liquid outlet (136), and wherein a lower portion of the inner sleeve body (302) is provided with a communication port (306) such that the annular passage is communicable with the inner sleeve volume (304) through the communication port (306).

8. The gas-liquid separator of claim 6, wherein:

the inner sleeve (106) further includes an annular baffle (332), the annular baffle (332) overlying the annular passage.

9. The gas-liquid separator of claim 1, wherein: the gas-liquid separator further includes:

a first inlet pipe section (143) and a second inlet pipe section (144), the first inlet pipe section (143) and the second inlet pipe section (144) being connected, and the first inlet pipe section (143) being in communication with the inlet (132) through the second inlet pipe section (144);

wherein the second inlet duct section (144) has a larger dimension than the first inlet duct section (143) in the height direction.

10. The gas-liquid separator of claim 1, wherein: the gas-liquid separator further includes:

an additional gas-liquid separation device (108), wherein the additional gas-liquid separation device (108) is transversely arranged in the shell cavity (142), and is positioned in the shell cavity (142) and is divided into an upper cavity and a lower cavity;

a plurality of bent channels are arranged in the additional gas-liquid separation device (108), and the upper cavity and the lower cavity are communicated through the plurality of bent channels;

the additional gas-liquid separation device (108) further comprises a first plate (401) and a second plate (402) which are stacked, the first plate (401) and the second plate (402) are made by molding, and each of the plurality of bent channels penetrates through the first plate (401) and the second plate (402).

11. The gas-liquid separator of claim 10, wherein:

each of the plurality of folded channels (403) comprises a first vertical channel and a first inclined channel formed in the first plate (401) and a second vertical channel and a second inclined channel formed in the second plate (402);

wherein the first inclined passage and the second inclined passage are communicated.

Technical Field

The present application relates to gas-liquid separators.

Background

The gas-liquid separator generally includes an inlet, a gas outlet, and a liquid outlet. Wherein the inlet is located at the side, the gas outlet is located at the upper portion, and the liquid outlet is located at the lower portion. The inlet is for receiving a mixed fluid of gas and liquid. After the mixed fluid enters the gas-liquid separator from the inlet, the gas moves upwards and flows out of the gas-liquid separator through the gas outlet due to different gravity of the liquid and the gas, and the liquid moves downwards and flows out of the gas-liquid separator through the liquid outlet. The amount of entrained liquid droplets in the gas separated by gravity separation is large.

Disclosure of Invention

Exemplary embodiments of the present application may address at least some of the above-mentioned issues.

The application provides a vapour and liquid separator, vapour and liquid separator includes the first rib of casing subassembly and several. The housing assembly has an inner side wall defining a housing cavity, the housing assembly includes an inlet, a gas outlet and a liquid outlet, the inlet, the gas outlet and the liquid outlet are in communication with the housing cavity, the inlet is disposed on the inner side wall of the housing cavity, the gas outlet is disposed above the inlet, and the liquid outlet is disposed below the inlet. The plurality of first ribs are arranged on the inner side wall of the shell assembly. Wherein each of the plurality of first ribs is disposed at an angle relative to a height direction of the housing assembly and includes a first rib windward end and a first rib leeward end, wherein the first rib windward end is located upstream of the first rib leeward end in a flow direction of fluid entering the housing plenum from the inlet, and the first rib windward end is higher than the first rib leeward end in the height direction of the housing assembly.

According to the above gas-liquid separator, the housing assembly comprises an outer housing and a housing liner disposed within the outer housing, and an inner sidewall defining the housing pocket is formed by the housing liner.

According to the gas-liquid separator, each of the plurality of first ribs has an angle of greater than 0 ° and equal to or less than 45 ° with respect to the height direction.

According to the above gas-liquid separator, the plurality of first ribs are arranged in a plurality of sets of first ribs. Wherein each set of first ribs is arranged along a height direction of the housing assembly, and the plurality of sets of first ribs are arranged along a circumferential direction of the housing assembly and spaced apart from each other.

According to the above-mentioned gas-liquid separator, in the flow direction of the fluid entering the housing compartment from the inlet, for adjacent first ribs, the first rib leeward ends of the first ribs at a higher elevation are located downstream of the first rib leeward ends of the first ribs at a lower elevation.

According to the gas-liquid separator described above, the gas-liquid separator is an inner sleeve. The inner sleeve is arranged in the housing cavity; an outer sidewall of the inner sleeve is spaced from the inner sidewall defining the housing pocket to form an annular passage, the inlet communicating with the annular passage. The inner sleeve further comprises a plurality of second ribs, and the plurality of second ribs are arranged on the outer side wall of the inner sleeve body. Wherein each of the plurality of second ribs is arranged at an angle with respect to a height direction of the housing assembly, and each of the plurality of second ribs comprises a second rib windward end and a second rib leeward end, wherein the second rib windward end is located upstream of the second rib leeward end in a flow direction of the fluid entering the housing plenum from the inlet, and the second rib windward end is higher than the second rib leeward end in the height direction of the housing assembly.

According to the above gas-liquid separator, the inner sleeve includes an inner sleeve body defining an inner sleeve cavity communicating with the liquid outlet, and wherein a communicating opening is provided in a lower portion of the inner sleeve body so that the annular passage can communicate with the inner sleeve cavity through the communicating opening.

According to the above gas-liquid separator, the inner sleeve further comprises an annular baffle, and the annular baffle is covered above the annular passage.

According to the above gas-liquid separator, the gas-liquid separator further comprises a first inlet pipe section and a second inlet pipe section, the first inlet pipe section and the second inlet pipe section are connected, and the first inlet pipe section is in communication with the inlet via the second inlet pipe section. Wherein the second inlet duct section has a dimension greater than the dimension of the first inlet duct section in the height direction.

According to the gas-liquid separator, the gas-liquid separator further comprises an additional gas-liquid separation device, the additional gas-liquid separation device is transversely arranged in the housing containing cavity, and the housing containing cavity is divided into an upper containing cavity and a lower containing cavity. The additional gas-liquid separation device is provided with a plurality of bent channels, and the upper cavity and the lower cavity are communicated through the plurality of bent channels. The additional gas-liquid separation device further includes a first plate and a second plate stacked and made of a molding, and each of the plurality of bent channels penetrates the first plate and the second plate.

According to the gas-liquid separator described above, each of the plurality of bent passages includes a first vertical passage and a first inclined passage formed in the first plate and a second vertical passage and a second inclined passage formed in the second plate. Wherein the first inclined passage and the second inclined passage are communicated.

The gas-liquid separator has the advantages of compact structure, small overall size and high separation efficiency.

Drawings

The features and advantages of the present application may be better understood by reading the following detailed description with reference to the drawings, in which like characters represent like parts throughout the drawings, wherein:

FIG. 1A is a perspective view of a gas-liquid separator according to one embodiment of the present application;

FIG. 1B is a partial cross-sectional view of the gas-liquid separator shown in FIG. 1A;

FIG. 2A is a side view of the housing assembly shown in FIG. 1A;

FIG. 2B is a top view of the housing assembly shown in FIG. 1A;

FIG. 2C is an axial cross-sectional view of the housing assembly shown in FIG. 1A;

FIG. 2D is an exploded view of the housing assembly shown in FIG. 1A;

FIG. 3 is a side view of the inner sleeve shown in FIG. 1A;

FIG. 4A is an exploded view of an additional gas-liquid separation device;

fig. 4B is an enlarged sectional view of the additional gas-liquid separation device.

Detailed Description

Various embodiments of the present application will now be described with reference to the accompanying drawings, which form a part hereof. It should be understood that in the following drawings, like parts are given like reference numerals and similar parts are given like reference numerals.

Various embodiments of the present application will now be described with reference to the accompanying drawings, which form a part hereof. It should be understood that although directional terms, such as "upper", "lower", "inner", "outer", "top", "bottom", etc., may be used herein to describe various example structural portions and elements of the application, these terms are used herein for convenience in description only and are to be construed as being based on the example orientations shown in the figures. Because the embodiments disclosed herein can be arranged in a variety of orientations, these directional terms are used for purposes of illustration only and are not to be construed as limiting.

Ordinal terms such as "first" and "second" are used herein only for distinguishing and identifying, and do not have any other meanings, unless otherwise specified, either by indicating a particular sequence or by indicating a particular relationship. For example, the term "first tendon" does not itself imply the presence of "second tendon", nor does the term "second tendon" itself imply the presence of "first tendon".

Fig. 1A is a perspective view of a gas-liquid separator 100 according to an embodiment of the present application. Fig. 1B is a partial sectional view of the gas-liquid separator 100 shown in fig. 1A. As shown in fig. 1A-1B, the gas-liquid separator 100 includes a housing assembly 102, an inner sleeve 106, and an additional gas-liquid separation device 108. Wherein the housing assembly 102 defines a housing pocket 142 for receiving the inner sleeve 106 and the additional gas-liquid separation device 108.

Fig. 2A-2D are side, top, axial cross-sectional, and exploded views, respectively, of the housing assembly 102 shown in fig. 1A. As shown in fig. 2A-2D, the housing assembly 102 includes an outer housing 122, an inlet pipe section, a lower cap 124, and a housing liner 104. The outer housing 122 is a cylinder extending in the height direction and having a central axis X. The outer case 122 has an opening at a lower portion thereof, and a flange 123 is formed at an edge of the opening for coupling with the lower cover 124. The upper portion of the outer shell 122 is gradually contracted and a gas outlet 134 is formed at the top for discharging gas. The side of the outer housing 122 is provided with a housing inlet (not shown) for communicating with an inlet pipe section. The outer housing 122 has an inner sidewall. A first position-limiting portion 231 and a second position-limiting portion 232 are disposed on the inner side wall of the outer housing 122. The first and second position-limiting portions 231 and 232 protrude radially inward from the inner sidewall of the outer casing 122, respectively, and are used for limiting the upper portion of the additional gas-liquid separation device 108 and the upper portion of the casing liner 104, respectively. Specifically, the additional gas-liquid separation device 108 and the casing liner 104 may sequentially enter the outer casing 122 through an opening in the lower portion of the outer casing 122 and be assembled in place.

The casing liner 104 is generally barrel-shaped, with the outer wall of the casing liner 104 disposed against the inner side wall of the outer casing 122. Thus, at least a portion of housing pocket 142 is defined by inner sidewall 244 of housing liner 104. The inner sidewall 244 defines the inlet 132. As one example, inlet 132 is sized and shaped to be substantially the same as the housing inlet, and inlet 132 is aligned with the housing inlet to allow fluid to flow through the housing inlet and inlet 132 into housing plenum 142 after passing through the inlet tube segment. The inlet 132 is provided in the middle of the outer casing 122 in the height direction to ensure that the lower portion of the inlet 132 has a sufficient depth to accommodate the separated liquid and the upper portion of the inlet 132 has a sufficient space to install the additional gas-liquid separation device 108.

The inner sidewall 244 of the housing sleeve 104 is provided with a plurality of first ribs 222. In an embodiment of the present application, each of the plurality of first ribs 222 is formed to extend substantially along a straight line. The cross-sectional shape of the first ribs 222 may be triangular, circular, square, etc. Each of the plurality of first ribs 222 is arranged at an angle α with respect to a height direction (i.e., X-axis direction) of the housing bushing 104. Each first rib includes a first rib windward end 252 and a first rib leeward end 254. First rib wind-facing end 252 is upstream of first rib leeward end 254 in the direction of flow of fluid flowing from inlet 132 into housing plenum 142. The height of the first rib wind-facing end 252 is higher than the height of the first rib leeward end 254 in the height direction of the housing bushing 104. In this way, during the flow of fluid from inlet 132 into housing cavity 142, the fluid can impact first ribs 222, thereby causing the liquid in the fluid to adhere to first ribs 222 after impacting first ribs 222 to separate the liquid from the gas. As an example, in the embodiment of the present application, the angle α of each of the plurality of first ribs 222 to the height direction satisfies more than 0 ° and less than 45 °. Such an arrangement may make the length of the first ribs 222 in the height direction longer to increase the possibility of the fluid hitting the first ribs 222, and may induce the fluid (e.g., separated gas) near the first ribs 222 to move obliquely downward, thereby accelerating the downward fall of the liquid that has accumulated on the first ribs 222 by the movement of the fluid, thereby increasing the separation rate of the liquid from the gas.

Furthermore, the plurality of first ribs 222 is also arranged in a plurality of groups of first ribs. Each set of first ribs is arranged along the height direction of the housing liner 104, and the sets of first ribs are arranged along the circumference of the inner side wall 244 and spaced apart from each other, so that liquid adhering to the first ribs 222 can slide down along the inner side wall 244 of the housing liner 104 (i.e., at the intervals of the sets of first ribs) to the bottom of the housing receptacle 142. For each set of first ribs, the first rib leeward ends 254 of the first ribs 222 at a higher elevation are downstream of the first rib leeward ends 254 of the first ribs 222 at a lower elevation, for adjacent first ribs. This arrangement prevents liquid droplets on first ribs 222 at a higher elevation from dripping onto first ribs 222 at a lower elevation, and thus prevents liquid from accumulating on first ribs 222 at a lower elevation, when liquid adhering to first ribs 222 is blown onto first rib leeward end 254 and off first ribs 222. As an example, in the embodiment of the present application, for each group of first ribs, a plurality of first rib leeward ends 254 are formed in a line, which forms an angle β with the height direction. The angle beta is in the range of more than 0 deg. and less than 30 deg..

The bottom of the housing sleeve 104 is also provided with a plurality of slots 152 for mating with projections 153 on the lower cover 124 to prevent the housing sleeve 104 from rotating relative to the outer housing 122 due to the impact of fluid entering the housing assembly 102.

The lower cover 124 has a substantially disk shape, and the lower cover 124 is provided with a liquid outlet 136 for discharging the liquid separated from the gas. The lower cap 124 is coupled to a lower portion of the outer case 122 by a coupling 151. In the embodiment of the present application, the connection member 151 is a nut and a screw. It will be appreciated by those skilled in the art that the connecting member 151 may be connected by other known connecting means. The upper portion of the lower cover 124 is provided with a plurality of protrusions 153, and the plurality of protrusions 153 can be snapped into a plurality of slots 152 at the bottom of the housing bushing 104, thereby preventing the housing bushing 104 from rotating within the outer housing 122. The upper portion of the lower cover 124 is also provided with a plurality of protruding rods 154. The plurality of protruding rods 154 can be engaged with a plurality of connecting portions 312 (see fig. 3) in the inner sleeve body 302 to be connected with the inner sleeve body 302.

The housing assembly 102 also includes an inlet pipe segment. The inlet tube section has a central axis Y. The central axis Y is perpendicular to the radial direction of the outer shell 122 and its perpendicular point is close to the edge of the outer shell 122 so that fluid entering the shell volume 142 from the inlet tube section can flow as close as possible against the inner side wall 244 of the shell volume 142. Specifically, the inlet tube sections include a first inlet tube section 143 and a second inlet tube section 144. The first inlet conduit section 143 communicates with the housing inlet via the second inlet conduit section 144. Wherein the first inlet tube section 143 is a circular tube section. The second inlet tube section 144 is an elliptical tube section. The second inlet pipe section 144 is arranged: the size of the elliptical tube section in the height direction of the outer housing 122 (i.e., along the central axis X direction) is greater than the size of the elliptical tube section in the horizontal direction, thereby enabling flow diffusion of fluid in the height direction as fluid enters the housing pocket 142 from the inlet tube section, so that more fluid can flow against the inner sidewall 244 of the housing pocket 142, improving liquid collection efficiency.

It will be appreciated by those skilled in the art that although the first inlet pipe section 143 is a circular pipe section and the second inlet pipe section 144 is an elliptical pipe section in the present application, the second inlet pipe section 144 has a size larger than that of the first inlet pipe section 143 in the height direction of the outer shell 122, because the second inlet pipe section 144 can generate a jet effect on the fluid in the height direction when the size of the second inlet pipe section 144 is larger than that of the first inlet pipe section 143.

Those skilled in the art will also appreciate that while the housing assembly 102 includes the outer housing 122 and the housing liner 104 in this embodiment, and the housing liner 104 abuts the inner sidewall of the outer housing 122, in other embodiments, the outer housing 122 and the housing liner 104 may be integrally formed.

Figure 3 is a side view of the inner sleeve 106 shown in figure 1A. As shown in fig. 3, inner sleeve 106 includes inner sleeve body 302 and annular baffle 332. Inner sleeve body 302 is generally cylindrical in shape defining an inner sleeve cavity 304. The lower portion of inner sleeve body 302 is adapted to be connected to lower cap 124 so that inner sleeve cavity 304 can communicate with liquid outlet 136. More specifically, the lower portion of the inner sleeve body 302 is provided with a plurality of connecting portions 312 having holes therein to receive a plurality of protruding rods 154 of the lower cap 124, thereby connecting the inner sleeve body 302 with the lower cap 124. An upper portion of inner sleeve body 302 is provided with an annular baffle 332. An annular baffle 332 extends horizontally outwardly from an upper edge of inner sleeve body 302. When the inner sleeve 106 is assembled in place in the housing assembly 102, the outer edge of the annular baffle 332 abuts the inner sidewall 244 of the housing liner 104 and the outer sidewall of the inner sleeve body 302 is spaced from the inner sidewall of the outer housing 122 such that the housing liner 104, the inner sleeve 106, and the lower cover 124 collectively define an annular passage. The lower portion of the inner sleeve body 302 is further provided with a plurality of communication ports 306 so that the annular passage can communicate with the inner sleeve cavity 304 through the communication ports 306.

As shown in fig. 3, the inner sleeve 106 further includes a plurality of second ribs 322. A plurality of second ribs 322 are disposed on an outer sidewall 344 of the inner sleeve body 302. In an embodiment of the present application, each of the plurality of second ribs 322 is formed to extend substantially along a straight line. The cross-sectional shape of the plurality of second ribs 322 may be triangular, circular, square, etc.

Each of the plurality of second ribs 322 is disposed at an angle γ with respect to the height direction of the housing assembly 102. Each second rib 322 comprises a second rib windward end 352 and a second rib leeward end 354. Second rib wind-facing end 352 is upstream of second rib leeward end 354 in the direction of flow of fluid flowing from inlet 132 into housing plenum 142. The height of the second-rib windward ends 352 is higher than the height of the second-rib leeward ends 354 in the height direction of the housing assembly 102. Thus, during the fluid flowing into the annular channel from the inlet 132, the fluid impacts the second ribs 322, so that the liquid in the fluid is attached to the second ribs 322 after impacting the second ribs 322 to separate the liquid from the gas. As an example, in the embodiment of the present application, the angle γ of each of the plurality of second ribs 322 to the height direction satisfies more than 0 ° and less than 45 °. Such an arrangement may make the length of the second ribs 322 in the height direction longer to increase the possibility of the fluid hitting the second ribs 322, and may induce the fluid (e.g., the separated gas) near the second ribs 322 to move obliquely downward, thereby accelerating the downward fall of the liquid that has accumulated on the second ribs 322 by the movement of the fluid, thereby increasing the separation rate of the liquid from the gas.

Furthermore, the plurality of second ribs 322 is also arranged in a plurality of groups of second ribs. Each set of second ribs is arranged along the height direction of housing assembly 102, and the sets of second ribs are arranged along the circumference of inner sleeve body 302 and spaced apart from each other, so that liquid adhering to the second ribs can slide down along outer sidewall 344 of inner sleeve body 302 (i.e., at the spacing of the sets of second ribs) to the bottom of the annular channel. For each set of second ribs, second rib leeward ends 354 of second ribs 322 at a higher elevation are downstream of second rib windward ends 352 of second ribs 322 at a lower elevation, for adjacent second ribs. This arrangement prevents liquid droplets on second ribs 322 located at a higher height from dripping onto second ribs 322 located at a lower height when liquid adhering to second ribs 322 is blown to second rib leeward end 354 and is separated from second ribs 322, thereby preventing liquid from accumulating on second ribs 322 located at a lower height. As an example, in the embodiment of the present application, for each group of second ribs, several second rib leeward ends 354 form a line, which forms an angle η with the height direction. The angle η is greater than 0 ° and less than 30 °.

Fig. 4A-4B are an exploded view and an enlarged cross-sectional view, respectively, of the additional gas-liquid separation device 108. Specifically, the additional gas-liquid separation device 108 includes a first plate 401 and a second plate 402. In the embodiment of the present application, the first plate 401 and the second plate 402 are identical in structure. Therefore, the specific structure of the first plate 401 is described as follows:

as shown in fig. 4A-4B, the first plate 401 is generally a disk that can mate with the inside wall of the outer housing 122. Which includes a plurality of bent channels that extend vertically through the first plate 401. Each of the plurality of angled channels includes a first vertical channel 431 and a first angled channel 432. Wherein the first vertical passage 431 is substantially vertically distributed with respect to the horizontal direction, thereby making it easier for the fluid to enter the additional gas-liquid separation device 108. The first angled passages 432 are arranged at 45 to the horizontal so that the direction of flow of fluid into the angled passages is altered. The first plate 401 further includes a pair of mounting holes 441 and a pair of protrusions 442. Wherein a pair of mounting holes 441 are vertically disposed through the first plate 401 and at opposite edges of the first plate 401 on the same diameter. A pair of protrusions 442 are formed extending downward from the lower surface of the first plate 401, and are also provided at opposite edges of the first plate 401 on the same diameter. The straight line connecting the pair of mounting holes 441 is substantially perpendicular to the straight line connecting the pair of protrusions 442, thereby enhancing the stability thereof. Similarly, second plate 402 includes several serpentine channels therein. Each of the plurality of angled channels includes a second vertical channel 451 and a second angled channel 452. The second plate 402 further includes a pair of mounting holes 461 and a pair of projections 462.

The first plate 401 and the second plate 402 can form the additional gas-liquid separation device 108 by simple assembly. Specifically, the first plate 401 and the second plate 402 are stacked together with the pair of protrusions 442 in the first plate 401 inserted into the pair of mounting holes 461 in the second plate 402 and the pair of protrusions 462 in the second plate 402 inserted into the pair of mounting holes 441 in the first plate 401. When the first plate 401 and the second plate 402 are assembled in place by stacking them together, the folded channels in the first plate 401 and the folded channels in the second plate 402 can communicate with each other. More specifically, the first inclined channel 432 in the first plate 401 will communicate with the second inclined channel 452 in the second plate 402, thereby forming a tortuous channel. As an example, the included angle formed by the first inclined passage 432 and the second inclined passage 452 ranges from 45 ° or more to 90 ° or less. In the embodiments of the present application, the thickness of the first plate 401 and the second plate 402 is about 10-30mm, and the width of the bent channels in the first plate 401 and the bent channels in the second plate 402 is about 4-10 mm.

The conventional additional gas-liquid separating apparatus includes a base plate and a plurality of partition plates. The plurality of separation plates are spaced apart from each other and fixed on the base plate by connecting members to form a plurality of bent channels for receiving the mixed fluid. However, the conventional additional gas-liquid separation apparatus is very complicated in installation process, each of the plurality of partition plates needs to be fixed to the base plate by means of a connecting member, and the processing time is increased while the component cost is high.

However, the additional gas-liquid separation device 108 in the present application has advantages of easy production and simple assembly. Specifically, the first plate 401 and the second plate 402 in the additional gas-liquid separation device 108 in the present application are identical in structure, and each includes an inclined passage and a vertical passage. Wherein the vertical channel facilitates the mixed fluid to enter and flow out of the additional gas-liquid separation device 108, and the inclined channel and the vertical channel form a bend so that the moving direction of the mixed fluid is changed. The configuration of the inclined and vertical channels allows the additional gas-liquid separation device 108 of the present application to be made of plastic and produced by molding. The molding production mode can greatly improve the manufacturing efficiency. In addition, when the first plate 401 and the second plate 402 are molded, they can be mounted to each other through the pair of mounting holes 461 and the pair of protrusions provided thereon without additional coupling members and processing tools. In addition, other materials (for example, teflon) with good hydrophobicity can be coated on the additional gas-liquid separation device 108 made of plastic, so that the gas-liquid separation rate of the additional gas-liquid separation device 108 is increased.

Referring to fig. 1B, the additional gas-liquid separation device 108 is installed in the outer case 122, an upper portion of the additional gas-liquid separation device 108 abuts against the first stopper portion 231, and a lower portion of the additional gas-liquid separation device 108 abuts against the case liner 104, thereby being fitted in the outer case 122. Thus, housing volume 142 is divided by supplemental gas-liquid separation device 108 into an upper volume and a lower volume. Wherein the housing liner 104 and the inner sleeve 106 are both disposed in the lower cavity. The fluid in the lower plenum needs to pass through a tortuous passageway in the additional gas-liquid separation device 108 before entering the upper plenum.

The flow path of the mixed fluid of gas and liquid (hereinafter referred to as "mixed fluid") after entering the gas-liquid separator 100 from the inlet pipe section is described below with reference to fig. 1B. Specifically, the mixed fluid flows from the first inlet tube section 143 and the second inlet tube section 144 into the housing inlet. When the mixed fluid flows in the second inlet pipe section 144, the mixed fluid generates a jet in the height direction due to the increase in the size of the second inlet pipe section 144 in the height direction. As the mixed fluid enters the annular passage through the housing inlet, the contact area of the mixed fluid from which the jet stream occurs with the inner sidewall 244 of the housing liner 104 increases, thereby increasing the probability that the mixed fluid will impinge the inner sidewall 244 and the plurality of first ribs 222 disposed on the inner sidewall 244. The liquid in the mixed fluid entering the annular channel impacts the inner sidewall 244 of the housing liner 104 and the plurality of first ribs 222 disposed on the inner sidewall 244 due to its greater centrifugal force than the gas. A liquid film is formed on the inner side wall 244 and the plurality of first ribs 222 of the housing liner 104 and falls by gravity. Furthermore, the flow direction of the mixed fluid in the annular channel will change direction along the direction of the annular channel and will hit the outer sidewall 344 of the inner sleeve 106 and the plurality of second ribs 322 arranged on the outer sidewall 344. Thus, a portion of the liquid in the mixed fluid may also form a liquid film on the outer sidewall 344 and fall by gravity. The liquid separated from the mixed fluid is deposited at the bottom of the annular passage and at the bottom of the gas-liquid separator 100 through the several communication ports 306. As an example, a valve may be provided on the liquid outlet 136 such that the liquid outlet 136 is in a disconnected state from the external piping to allow the liquid separated from the mixed fluid to be settled at the bottom. Liquid deposited at the bottom can create a liquid seal so that gas cannot flow directly out of the gas-liquid separator 100 through the liquid outlet 136.

Since the annular passage is blocked from above by the annular baffle 332, the remaining mixed fluid in the annular passage cannot leave the annular passage from above but can only flow upwardly into the inner sleeve receptacle 304 through the several communication ports 306. As the mixed fluid carrying the smaller volume of liquid flows from the lower plenum to the upper plenum, it needs to pass through tortuous passages in the first plate 401 and the second plate 402. More specifically, the mixed fluid passes through the second vertical passages 451 and the second inclined passages 452 in the second plate 402 and the first inclined passages 432 and the first vertical passages 431 in the first plate 401 in order. In the bent channel, the mixed fluid can pass through after changing the flowing direction three times. Since the size of the bent passage is small and a plurality of bends are provided in the bent passage, the liquid is collided in the bent passage by the inertial force and flows to the bottom of the gas-liquid separator 100 by the gravity. The gas can flow upward through the bent passage, pass through the additional gas-liquid separation device 108, enter the upper plenum, and exit the gas-liquid separator 100 through the gas outlet 134.

As can be seen in connection with fig. 1B, the mixed fluid entering the gas-liquid separator 100 from the inlet leg moves in the lower plenum. In the lower chamber, the mixed fluid needs to undergo at least two changes of flow direction. One is the change in flow direction of the mixed fluid impinging on the annular passage and the other is the change in flow direction (change from downward flow to upward flow) that occurs as the mixed fluid flows from the annular passage into the inner sleeve cavity 304 through the plurality of communication ports 306. The change in flow direction enables a large portion of the larger volume of liquid to be separated from the mixed fluid. As an example, in the lower chamber, liquid with a particle size greater than 100um in the mixed fluid may be collected. The mixed fluid then passes through an additional gas-liquid separation device 108. Again undergoes separation in the additional gas-liquid separation device 108. As an example, the additional gas-liquid separation device 108 is capable of separating droplets having a particle size of more than 10 um. Up to this point, the gas-liquid separator 100 of the present application can separate both large-particle-size and small-particle-size liquids from a fluid, thereby achieving a high separation rate.

It should be noted that although the inner sleeve 106 includes an annular baffle 332 to close the upper end of the annular passage to force the mixed fluid to flow into the inner sleeve cavity 304 through the several communication ports 306 below in the embodiments of the present application, in other examples, the inner sleeve 106 may not include the annular baffle 332. In other words, the mixed gas may flow from the upper end of the annular passage toward the additional gas-liquid separation device 108 after entering the annular passage.

The gas-liquid separator 100 of the present application mainly achieves gas-liquid separation of a mixed fluid by using an annular passage and an additional gas-liquid separating device 108. Wherein, annular channel's inside wall and lateral wall have set up first rib and second rib respectively to increase the separation efficiency of liquid. The gas-liquid separator 100 of the present application is compact in structure, small in overall volume, and high in separation efficiency.

While only certain features of the application have been illustrated and described herein, many modifications and changes will occur to those skilled in the art. It is, therefore, to be understood that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the application.