WO2015196997A1 - 用于从气体分离液体的双袋型叶片式分离器 - Google Patents

用于从气体分离液体的双袋型叶片式分离器 Download PDF

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Publication number
WO2015196997A1
WO2015196997A1 PCT/CN2015/082233 CN2015082233W WO2015196997A1 WO 2015196997 A1 WO2015196997 A1 WO 2015196997A1 CN 2015082233 W CN2015082233 W CN 2015082233W WO 2015196997 A1 WO2015196997 A1 WO 2015196997A1
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bag
vane separator
type vane
liquid collection
side wall
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PCT/CN2015/082233
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English (en)
French (fr)
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法达·达尼
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普尔利斯（中国）环保分离设备制造有限公司
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Publication of WO2015196997A1 publication Critical patent/WO2015196997A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
    • B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators

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  • the present invention generally relates to a vane separator for removing liquid from a gas, and more particularly to a double bag vane separator.
  • vane separators have been used in industrial applications to separate liquids from gases.
  • This type of vane separator is a multi-layered plate structure. The gas is forced to make a zigzag movement between the plates, so that the droplets in the gas are easily attached to the surface of the blade by the inertial force, thereby achieving gas-liquid separation.
  • wave plate separator Another type of gas-liquid separator is a wave plate separator.
  • the original wave plate design also known as the bagless vane separator, was built in the late 1920s.
  • the wave plate separator is made of sheet metal. Compared to bagged vane separators, such wave plate separators have a relatively low processing capacity and require a large area to handle gas-liquid mixtures of the same flow rate.
  • single bag type vane separators began in the 1930s. These blades can be formed and welded by extrusion or by a pultrusion process.
  • the single-bag type vane separator compared to the wave plate separator, has an improved processing capacity, but still does not reach the level of the double-bag type vane separator.
  • the single bag type vane separator has an inconsistent gas path width. Specifically, as shown in FIG. 1, the single bag type vane separator has a blade main body 11 and a single bag 12. The arrows indicate the direction of the airflow.
  • the gas enters the gas path from a wider inlet.
  • the gas path narrows near the single bag 12 and then widens in the area between adjacent two single bags 12.
  • This inconsistency in the width of the gas path causes the gas to contract at the single bag 12, while the area between the adjacent two single bags 12 expands, and the process of first compressing and expanding further causes a decrease in gas pressure. More importantly, compression and expansion cause shear forces on the droplets and can therefore cause breakage in the high velocity gas flow within the blades.
  • the double bag type vane separator began to be used in the 1970s. Blade separation The machine is usually manufactured using molding and welding. The double bag type vane separator increases the pressure drop and improves the processing capacity as compared to the single bag type vane separator.
  • a double bag type vane separator is shown in FIG.
  • the double bag type vane separator includes a blade body 21 and a double bag formed by the first bag 22 and the second bag 23.
  • the pressure of the double bag type vane separator is lowered because the width of the gas path in the vane separator is uniform. Specifically, as the gas enters the vane separator, the gas compresses into the passage. The width of the gas path is uniform across the length of the vane separator. Therefore, when gas flows into the channel, there is no compression or expansion of the gas.
  • the double bag type vane separator is capable of efficiently separating liquid at a higher speed and having less droplet breakage than a single bag type vane separator.
  • FIGs 3a and 3b a schematic view of its cross section is shown in Figures 3a and 3b.
  • Droplets are deposited on the surface of the blade and form a film that is about to be separated from the blade. If the gas velocity in the double bag type vane separator is fast, this film will be carried away by the gas and thus cannot be separated from the gas (Fig. 3a). However, if the gas velocity is within the processing capacity of the blade, the film will roll up and flow into the bag ( Figure 3b).
  • the advanced separation system used today uses a double bag type vane separator.
  • High performance blades having multiple double pockets in each wavelength of the blade are also known in the art (e.g., U.S. Patent No. 5,104,431). These blades can be manufactured using forming and welding or by extrusion. As their name suggests, high performance blades have higher processing power than double bag type vane separators. The disadvantage of such blades is that they have a deeper pitch and are therefore often used in multiple stages in series, only for special applications.
  • U.S. Patent No. 6,810,835 B2 discloses a double bag type vane separator.
  • the vane separator includes a plurality of flat frame plates (102 in the '835 patent) disposed in parallel with one another to define a plurality of z-shaped passages (101 in the '835 patent) between the flat frame plates.
  • Double bags 120, 122 in the '835 patent
  • this patent has a linear body portion (102) that is susceptible to vibration. It relies on welded bags to provide strength.
  • the gas flowing through the separator is seriously Compression and expansion. This compression and expansion causes shearing of the droplets and causes breakage. Moreover, it will cause a higher pressure drop.
  • the present invention is directed to solving the above problems of the prior art and proposes an improved double bag type vane separator to improve the processing capability and performance of liquid removal from a gas.
  • the present invention is directed to providing a double bag type rigid blade separator with an attached collection bag for gas (or steam)/oil (or liquid) separation with a smaller droplet breakage rate. .
  • a double bag type vane separator for separating a liquid from a gas, comprising:
  • first liquid collection bag and a second liquid collection bag a first liquid collection bag and a second liquid collection bag, the first liquid collection bag and the second liquid collection bag being disposed on a first side wall between adjacent crests and troughs of the z-shaped channel,
  • the first liquid collection bag is disposed on a downstream side of a flow direction of the second liquid collection bag, and the first liquid collection bag and the second liquid collection bag are disposed between the adjacent crests and troughs Common entrance,
  • edge of the first liquid collection bag at the common inlet and the edge of the second liquid collection bag at the common inlet at least one of the two edges being curved.
  • the edge of the first liquid collection bag at the common inlet is curved. More preferably, the edges of the first liquid collection bag and the second liquid collection bag at the common inlet are both curved.
  • the plurality of z-shaped channels are parallel to each other. More preferably, the plurality of z-shaped channels are defined by a plurality of z-shaped plates disposed in parallel with each other.
  • the first liquid collection bag is formed by folding the plate such that an edge of the first liquid collection bag at the common inlet is curved.
  • a first portion of the folded portion of the plate is parallel to the first side wall of the z-shaped channel
  • a second portion of the folded portion of the plate is parallel to the second side wall of the z-shaped channel
  • the second sidewall is adjacent to the first sidewall, and Located upstream of the airflow direction of the first side wall.
  • the second liquid collection bag includes a flap composed of a first portion and a second portion, the first portion of the flap being fixed to be adjacent to the first side wall of the z-shaped channel and Located on a second side wall upstream of the airflow direction of the first side wall, wherein the second portion of the airfoil extends from the first portion of the airfoil. More preferably, the second portion of the flap is parallel to the first side wall, and/or the second portion of the flap is folded such that the second liquid collection bag is at the common inlet The edges are curved.
  • the depth of the double bag type vane separator is in the range of 3-12 inches, and the depth of the vane separator is the farthest point on the left side to the right side in the direction of the air flow direction The distance between the channels.
  • the left side in the air flow direction refers to the entry side of the air flow of the vane type separator
  • the right side in the air flow direction refers to the exit side of the air flow of the vane type separator.
  • the present invention also provides a double bag type vane separator for separating a liquid from a gas, the vane type separator comprising:
  • first liquid collection bag and a second liquid collection bag a first liquid collection bag and a second liquid collection bag, the first liquid collection bag and the second liquid collection bag being disposed on a first side wall between adjacent crests and troughs in the z-shaped channel,
  • the first liquid collection bag is disposed on a downstream side of the air flow direction of the second liquid collection bag, and the first liquid collection bag and the second are disposed between the adjacent crests and troughs
  • first liquid collecting bag is formed by folding the plate such that an edge of the first liquid collecting bag at the common inlet is curved
  • second liquid collecting bag is by a wing Defining a first portion of the sheet welded to the second side wall of the z-shaped passage, the second side wall being located upstream of the airflow direction of the first side wall and adjacent to the first side wall Where the second portion of the flap extends from the first portion of the flap.
  • the plurality of z-shaped channels are parallel to each other. More preferably, the plurality of z-shaped channels are defined by a plurality of z-shaped plates disposed in parallel with each other.
  • the first portion of the fold of the panel is parallel to the first side wall of the z-shaped channel, and the second portion of the fold of the panel is parallel to the second sidewall.
  • the second portion of the flap is parallel to the first side wall.
  • the second portion of the flap is folded such that the edge of the second liquid collection bag at the common inlet is curved.
  • the depth of the double bag type vane separator is in the range of 3-12 inches, and the depth of the vane separator is the farthest point on the left side to the right side in the direction of the air flow direction The distance between the channels.
  • the left side in the direction of the air flow refers to the entry side of the air flow of the vane separator
  • the right side in the air flow direction refers to the exit side of the air flow of the vane type separator.
  • the invention can be used to remove liquids from gases in many applications, for example, applications include, but are not limited to:
  • Figure 1 is a schematic view of a prior art single bag type vane separator
  • Figure 2 is a schematic view of a prior art double bag type vane separator
  • Figures 3a and 3b are schematic views for explaining the behavior of a liquid in a double bag type vane separator
  • Figure 4 is a schematic illustration of a first embodiment of a dual bag type vane separator in accordance with the present invention
  • Figure 5 is a schematic illustration of a second embodiment of a dual bag type vane separator in accordance with the present invention.
  • a double bag type vane separator for separating a liquid from a gas according to the present invention comprising:
  • first liquid collection bag and a second liquid collection bag a first liquid collection bag and a second liquid collection bag, the first liquid collection bag and the second liquid collection bag being disposed on a first side wall between adjacent crests and troughs of the z-shaped channel,
  • the first liquid collection bag is disposed on a downstream side of a flow direction of the second liquid collection bag, and the first liquid collection bag and the second liquid collection are disposed between the adjacent crests and troughs Common entrance to the bag,
  • edge of the first liquid collection bag at the common inlet and the edge of the second liquid collection bag at the common inlet at least one of the two edges being curved.
  • the edge of the first liquid collection bag at the common inlet is curved. More preferably, the edges of the first liquid collection bag and the second liquid collection bag at the common inlet are both curved.
  • the inventors of the present invention have found that the sharp edges of the inlet of the collection bag will cause an undesirable pressure drop in the separation system.
  • at least one of the edge of the first liquid collection bag at the common inlet and the edge of the second liquid collection bag at the common inlet is curved. Therefore, sharp edges are eliminated.
  • the plate may be a z-shaped plate.
  • the plate may also be a flat plate as shown in the '835 patent, as long as at least one of the edges of the first liquid collection bag at the common inlet and the edge of the second liquid collection bag at the common inlet is curved.
  • the plurality of z-shaped channels are defined by a plurality of z-shaped plates arranged parallel to each other.
  • the first liquid collection bag may be formed by folding the plates such that the edges of the first liquid collection bag at the common inlet are curved.
  • the first liquid collection bag is formed by the folded portion of the plate and the adjacent unfolded portion of the plate.
  • the first portion of the fold of the panel extends parallel to the first side wall of the z-shaped channel, between the first portion of the fold of the panel and the adjacent unfolded portion of the panel a second portion of the folded portion of the plate is parallel to a second side wall of the z-shaped channel, the second side wall is adjacent to the first side wall, and an air flow is located at the first side wall Upstream of direction.
  • the second liquid collection bag may be fixed to the second side wall of the z-shaped channel adjacent to the first side wall and upstream of the air flow direction of the first side wall Formed thereon, wherein the first portion of the flap is secured to the second side wall, such as by welding, and the second portion of the flap extends from the first portion of the flap. More preferably, the second portion of the flap is parallel to the first side wall, and/or the second portion of the flap is folded such that the second liquid collection bag is at the common inlet The edges are curved.
  • the double bag type vane separator has a very rigid body formed of a plate including a first liquid collecting bag formed by a folded portion, and the folded portion is an integral part of the plate. Therefore, the vane separator according to the present invention is not easy to vibrate and is easy to manufacture.
  • the depth of the vane separator is in the range of 3-12 inches, and the depth of the vane separator is the passage between the farthest point on the left side to the farthest point on the right side in the direction of the air flow. distance.
  • the advantage of a larger depth vane separator is that it will handle more liquid, and the advantage of a smaller depth vane separator is that it will provide a smaller pressure drop.
  • the preferred range of depth is 3-12 inches.
  • the present invention also provides a double bag type vane separator for separating a liquid from a gas, the vane type separator comprising:
  • first liquid collection bag and a second liquid collection bag a first liquid collection bag and a second liquid collection bag, the first liquid collection bag and the second liquid collection bag being disposed on a first side wall between adjacent crests and troughs in the z-shaped channel,
  • the first liquid collection bag is disposed on a downstream side of a flow direction of the second liquid collection bag, and the first liquid collection bag and the second liquid collection are disposed between the adjacent crests and troughs Common entrance to the bag,
  • the first liquid collecting bag is formed by folding the plate such that an edge of the first liquid collecting bag at the common inlet is curved
  • the second liquid collecting bag is by a wing Defining a first portion of the sheet welded to the second side wall, the second side wall being located upstream of the airflow direction of the first side wall and adjacent to the first side wall, wherein the fin The second portion extends from the first portion of the flap.
  • the double bag type vane separator has two opposing liquid collection bags, one of which is formed by a folded plate and the other of which is formed by welding another component (ie, a flap) to the plate. .
  • This has never been done before in the field of vane separator technology.
  • vane separator that includes a folded collection bag and a welded collection bag in the same vane separator.
  • the double bag type vane separator has a very rigid body formed by a plate, including a first liquid collecting bag formed by a folded portion, and the folded portion is an integral part of the plate. Therefore, the vane separator according to the present invention is not easy to vibrate and is easy to manufacture.
  • the first liquid collecting bag is formed by the folding plate, and therefore, the edges of the first liquid collecting bag at the common entrance are curved, thereby eliminating sharp edges and reducing droplet breakage.
  • the second portion of the flap is folded such that the edge of the second liquid collection bag at the common inlet is also curved to further reduce droplet breakage and increase blade separation The strength of the device.
  • the plurality of z-shaped channels are defined by a plurality of z-shaped plates disposed in parallel with each other.
  • the first portion of the fold of the plate is parallel to the first side wall of the z-shaped channel, And a second portion of the fold of the panel is parallel to the second sidewall.
  • the second portion of the flap is parallel to the first side wall.
  • the depth of the vane separator is in the range of 3-12 inches, and the depth of the vane separator is the passage between the farthest point on the left side to the farthest point on the right side in the direction of the air flow. distance.
  • Embodiment 1 Referring to Fig. 4, a first embodiment of a double bag type vane separator is shown.
  • a double bag type vane separator for separating a liquid from a gas includes: a plurality of z-shaped passages 44 defined between a plurality of z-shaped plates 41 disposed in parallel with each other, a first liquid collecting bag 42 and a second liquid collecting bag 43. The direction of the arrow marked in the figure indicates the direction of the air flow.
  • the second side wall 46 is upstream of the first side wall 45 and adjacent to the first side wall 45.
  • the first liquid collection bag 42 and the second liquid collection bag 43 are disposed on the first side wall 45 between the crest of the z-shaped channel and the adjacent trough, the first liquid collection bag 42 being opposed to the second liquid collection bag 43
  • a common inlet 47 of the first liquid collecting bag 42 and the second liquid collecting bag 43 is disposed between the crests and troughs.
  • the first liquid collection bag 42 and the second liquid collection bag 43 form a double bag.
  • the first liquid collection bag 42 is formed by folding the z-shaped plate 41 such that the edge of the first liquid collection bag 42 at the common inlet 47 is curved.
  • the folded portion of the Z-shaped plate 41 is composed of a first portion 42a and a second portion 42b.
  • the folded portion of the Z-shaped plate 41 and the first side wall 45 form a first liquid collection bag 42.
  • the first portion 42a of the folded portion of the Z-shaped plate 41 is parallel to the first side wall 45.
  • the second portion 42b of the folded portion of the z-shaped plate 41 extends between the first portion 42a and the first side wall 45.
  • the second portion 42b is parallel to the second side wall 46 located upstream of the first side wall 45.
  • the second liquid collection bag 43 is formed by welding the first portion 43a of the flap to the second side wall 46, wherein the second portion 43b of the flap extends from the first portion 43a of the flap.
  • the second portion 43b of the fin is parallel to the first side wall 45.
  • the second portion 43b of the flap is in line with the first portion 42a of the folded portion of the panel.
  • Embodiment 2 Figure 5 shows a modification based on the embodiment shown in Figure 4, wherein the second portion 43b of the flap is folded such that the edge of the second liquid collection bag 43 at the common inlet 47 is an arc Shaped.
  • the other parts of this embodiment are the same as those of the first embodiment.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separating Particles In Gases By Inertia (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

一种用于从气体分离液体的双袋型叶片式分离器，包括：在多个板（41）之间限定的多个Z形通道（44），以及第一液体收集袋（42）和第二液体收集袋（43），第一液体收集袋（42）和第二液体收集袋（43）设置在Z形通道（44）中相邻的波峰和波谷之间的第一侧壁（45）上，第一液体收集袋（42）设置在第二液体收集袋（43）的气流方向的下游侧，相邻的波峰和波谷之间设置有第一液体收集袋（42）和第二液体收集袋（43）的共同入口（47），第一液体收集袋（42）于共同入口（47）处的边缘，以及第二液体收集袋（43）于共同入口（47）处的边缘，这两个边缘中至少一个是弧形的。

Description

用于从气体分离液体的双袋型叶片式分离器 技术领域
本发明总体上涉及用于从气体中移除液体的叶片式分离器，尤其是涉及双袋型叶片式分离器。
背景技术
自20世纪30年代开始，叶片式分离器就在工业应用中被用于从气体中分离出液体。这类叶片式分离器是一种多层板状结构。气体被强迫在板与板之间做Z字形运动，使得气体中的液滴易受到惯性力作用而附着在叶片表面，从而实现了气液分离。
另一种类型的气液分离器是波板分离器。最初的波板设计，也被称为无袋型叶片式分离器，是在20世纪20年代后期开始制造的。波板式分离器由金属片制成。与有袋型叶片式分离器相比，这种波板分离器的处理能力较弱，其需要较大的面积来处理同样流速的气液混合物。
单袋型叶片式分离器的使用始于20世纪30年代。这些叶片能够通过挤出或者通过拉挤成型工艺，来成型和焊接制造。单袋型叶片式分离器相对于波板分离器，虽然处理能力有所提高，但是仍然达不到双袋型叶片式分离器的水平。
单袋型叶片式分离器的气体路径宽度不一致。具体地，如图1所示，单袋型叶片式分离器具有叶片主体11和单袋12。箭头表示气流方向。气体由较宽的入口进入气体路径。气体路径在靠近单袋12处变窄，然后在相邻两个单袋12之间的区域变宽。这种气体路径宽度的不一致导致气体在单袋12处收缩，而在相邻两个单袋12之间的区域膨胀，先压缩后膨胀的过程进一步引起气体压力的下降。更重要的是，压缩和膨胀导致对液滴的剪切力，并因此能够引起在叶片内的高速气流中被破碎。
双袋型叶片式分离器于20世纪70年代开始得到应用。这种叶片式分离 器通常使用成型和焊接制造。双袋型叶片式分离器相对于单袋型叶片式分离器，增大了压降，提高了处理能力。
在图2中示出了双袋型叶片式分离器。双袋型叶片式分离器包括叶片主体21和通过第一袋22和第二袋23形成的双袋。与单袋型叶片式分离器相比，双袋型叶片式分离器的压降低，因为该叶片式分离器内的气体路径的宽度均一。具体地，当气体进入叶片式分离器时，气体压缩进入通道。气体路径的宽度在叶片式分离器的长度方向上保持一致。因此，当气体流入通道中时，没有气体的压缩或膨胀。
双袋型叶片式分离器与单袋型叶片式分离器相比能够以更高的速度有效地分离液体并且具有较少的液滴破碎。
为了阐述在双袋型叶片式分离器中的液体行为，图3a和3b中示出了它的剖面的示意图。液滴沉积在叶片表面，并形成了即将从叶片分离的膜。如果双袋型叶片式分离器中的气体速度快，这层膜将被气体带走，并因此不能与气体分离(图3a)。然而，如果气体速度在叶片的处理能力范围之内，这层膜将会卷起并流入袋内(图3b)。
现今使用的高级分离系统使用的是双袋型叶片式分离器。
本领域还已知在叶片的每个波长内具有多个双袋的高性能叶片(例如，美国专利US5104431)。这些叶片能够使用成形和焊接或通过挤出制造。如它们的名字所指出的那样，高性能叶片与双袋型叶片式分离器相比，具有更高的处理能力。这种叶片带来的缺点是具有较深的节距，因而常被串联多级使用，仅用于特殊应用中。
美国专利US6810835B2(下称835专利)公开了双袋型叶片式分离器。该叶片式分离器包括多个彼此平行设置的平框板(835专利中的102)用以在平框板之间限定多个z形通路(835专利中的101)。双袋(835专利中的120、122)是通过在板上焊接叶片(835专利中的104、106、108、110、112和114)形成的。然而，该专利具有易于振动的直线状的主体部分(102)。其依赖于焊接的袋来提供强度。而且，关于835专利，流过分离器的气体存在着严重 的压缩和膨胀。这种压缩和膨胀导致对液滴的剪切，并引起破碎。而且，其将引起较高的压降。
发明内容
发明目的：本发明旨在解决现有技术的上述问题，并提出了改进的双袋型叶片式分离器以提高从气体移除液体的处理能力和性能。尤其是，本发明旨在提供具有更小的液滴破碎率的、用于气体(或蒸汽)/油(或液体)分离的带有附接的收集袋的双袋型坚硬的叶片式分离器。
技术方案：根据本发明，提供了一种用于从气体分离液体的双袋型叶片式分离器，包括：
在多个板之间限定的多个z形通道，以及
第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道的相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的气流方向的下游侧，所述相邻的波峰和波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
其中，所述第一液体收集袋于所述共同入口处的边缘，以及所述第二液体收集袋于所述共同入口处的边缘，这两个边缘中至少一个是弧形的。
优选地，所述第一液体收集袋在所述共同入口处的边缘是弧形的。更优选地，所述第一液体收集袋和所述第二液体收集袋在所述共同入口处的边缘都是弧形的。
优选地，所述多个z形通道彼此平行。更优选地，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
优选地，所述第一液体收集袋是通过折叠所述板形成的，使得所述第一液体收集袋在所述共同入口处的边缘是弧形的。优选地，所述板的折叠部的第一部分平行于所述z形通道的第一侧壁，以及所述板的折叠部的第二部分平行于所述z形通道的第二侧壁，所述第二侧壁与所述第一侧壁相邻，并且 位于所述第一侧壁的气流方向的上游。
优选地，所述第二液体收集袋包括由第一部和第二部组成的翼片，该翼片的第一部固定到位于所述z形通道的与所述第一侧壁相邻并且位于所述第一侧壁的气流方向的上游的第二侧壁上，其中所述翼片的第二部从所述翼片的第一部延伸。更优选地，所述翼片的第二部平行于所述第一侧壁，和/或所述翼片的第二部被折叠，使得所述第二液体收集袋在所述共同入口处的边缘是弧形的。
优选地，所述双袋型叶片式分离器的深度在3-12英寸的范围，所述叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。本发明中，如附图中所示，气流方向上的左侧指的是叶片式分离器的气流的进入侧，气流方向上的右侧指的是叶片式分离器的气流的离开侧。
上述优选的特征可以单独使用和/或任意组合使用。
本发明还提供了一种用于从气体分离液体的双袋型叶片式分离器，所述叶片式分离器包括：
在多个板之间限定的多个z形通道，以及
第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道中相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的所述气流方向的下游侧，在所述相邻的波峰和波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
其中，所述第一液体收集袋是通过折叠所述板形成的使得所述第一液体收集袋在所述共同入口处的边缘是弧形的，以及所述第二液体收集袋是通过将翼片的第一部焊接到所述z形通道的第二侧壁上而限定的，所述第二侧壁位于所述第一侧壁的气流方向的上游并与所述第一侧壁相邻，其中所述翼片的第二部从所述翼片的第一部延伸。
优选地，所述多个z形通道彼此平行。更优选地，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
优选地，所述板的折叠部的第一部分平行于所述z形通道的第一侧壁，以及所述板的折叠部的第二部分平行于所述第二侧壁。
优选地，所述翼片的第二部平行于所述第一侧壁。
优选地，所述翼片的第二部是折叠的，使得所述第二液体收集袋在所述共同入口处的边缘是弧形的。
优选地，所述双袋型叶片式分离器的深度在3-12英寸的范围，所述叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。本申请中，如附图中所示，气流方向上的左侧指的是叶片式分离器的气流的进入侧，气流方向上的右侧指的是叶片式分离器的气流的离开侧。
上述优选的特征可以单独使用和/或任意组合使用。
本发明可用在许多应用中从气体移除液体，例如，应用包括但不限于：
在核电站中从蒸汽移除水；
在地热应用中从蒸汽移除水；
在锅炉应用中从蒸汽移除水；
在输气应用中从气体移除油；
在化学装置中从气体移除重烃；
在石化装置中从气体移除烃；
液化天然气应用中的LNG；
从合成气移除液氨；
硫回收；
发电应用中从气体移除冷凝物；
在气体制造中从气体移除冷凝物；
在地下储气库中从气体移除冷凝物；
在通风系统中从空气移除雨水；等等。
附图说明
通过下文的结合附图的详细说明，本发明的上述的以及其他的目的、特 征和优势将更加明显，其中：
图1是现有技术的单袋型叶片式分离器的示意图；
图2是现有技术的双袋型叶片式分离器的示意图；
图3a和图3b是用于阐述在双袋型叶片式分离器中的液体行为的示意图；
图4是根据本发明的双袋型叶片式分离器的第一实施方式的示意图；
图5是根据本发明的双袋型叶片式分离器的第二实施方式的示意图。
具体实施方式
下面结合附图和具体实施例，进一步阐明本发明，应理解这些实施例仅用于说明本发明而不用于限制本发明的范围，在阅读了本发明之后，本领域技术人员对本发明的各种等同形式的修改均落于本申请所附的权利要求所限定的范围。
根据本发明的用于从气体分离液体的双袋型叶片式分离器，包括：
在多个板之间限定的多个z形通道，以及
第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道的相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的气流方向的下游侧，在所述相邻的波峰和波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
其中，所述第一液体收集袋于所述共同入口处的边缘，以及所述第二液体收集袋于所述共同入口处的边缘，这两个边缘中至少一个是弧形的。
在有利的实施方式中，所述第一液体收集袋在所述共同入口处的边缘是弧形的。更优选地，所述第一液体收集袋和所述第二液体收集袋在所述共同入口处的边缘都是弧形的。
本发明的发明人发现收集袋的入口的尖锐的边缘将引起在分离系统中不期望的压降。在本发明中，第一液体收集袋在共同入口处的边缘和第二液体收集袋在共同入口处的边缘中的至少一个是弧形的。因此，消除了尖锐边缘。
所述板可以是z形板。只要满足第一液体收集袋在共同入口处的边缘和第二液体收集袋在共同入口处的边缘中的至少一个是弧形的，板也可以是如在835专利中所示的那样为平板。在本发明的优选的实施方式中，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
第一液体收集袋可通过折叠所述板形成，使得所述第一液体收集袋在所述共同入口处的边缘是弧形的。在这种情况下，第一液体收集袋是通过所述板的折叠部以及板的相邻的未折叠部形成的。优选地，所述板的折叠部的第一部分平行于所述z形通道的第一侧壁，在所述板的折叠部的第一部分以及所述板的相邻的未折叠部之间延伸的所述板的折叠部的第二部分平行于所述z形通道的第二侧壁，该第二侧壁与所述第一侧壁相邻，并且位于所述所述第一侧壁的气流方向的上游。
优选地，所述第二液体收集袋可通过将翼片固定到所述z形通道的与所述第一侧壁相邻并且位于所述第一侧壁的气流方向的上游的第二侧壁上而形成，该其中，翼片的第一部固定到所述第二侧壁上，例如通过焊接固定，所述翼片的第二部从所述翼片的第一部延伸。更优选地，所述翼片的第二部平行于所述第一侧壁，和/或所述翼片的第二部被折叠，使得所述第二液体收集袋在所述共同入口处的边缘是弧形的。
现有技术的叶片式分离器，例如，835专利的叶片式分离器，依赖于焊接的袋来提供强度，易于振动。然而，在本发明中，双袋型叶片式分离器具有由板形成的非常坚硬的主体，其包括由折叠部形成的第一液体收集袋，而该折叠部是所述板的组成部分。因此，根据本发明的叶片式分离器不易于振动并且易于制造。
优选地，叶片式分离器的深度在3-12英寸的范围，所述叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。更大深度的叶片式分离器的优点是其将处理更多的液体，更小深度的叶片式分离器的优点是其将提供较小的压降。根据本发明，深度的优选的范围是3-12英寸。
本发明还提供了一种用于从气体分离液体的双袋型叶片式分离器，所述叶片式分离器包括：
在多个板之间限定的多个z形通道，以及
第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道中相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的气流方向的下游侧，在所述相邻的波峰和波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
其中，所述第一液体收集袋是通过折叠所述板形成的使得所述第一液体收集袋在所述共同入口处的边缘是弧形的，以及所述第二液体收集袋是通过将翼片的第一部焊接到第二侧壁上而限定的，所述第二侧壁位于所述第一侧壁的气流方向的上游并与所述第一侧壁相邻，其中所述翼片的第二部从所述翼片的第一部延伸。
双袋型叶片式分离器具有两个相对的液体收集袋，其中一个收集袋是通过折叠板制成的，另一个收集袋是通过焊接到板上的另外的部件(即，翼片)形成的。在叶片式分离器技术领域中之前从未这样做过。从未有过在同一叶片式分离器中包含折叠的收集袋和焊接的收集袋的叶片式分离器。
而且，如上所述的，双袋型叶片式分离器具有通过板形成的非常坚硬的主体，包括通过折叠部形成的第一液体收集袋，而该折叠部是该板的一个组成部分。因此，根据本发明的叶片式分离器不易于振动，并且易于制造。
而且，第一液体收集袋是通过折叠板形成的，因此，第一液体收集袋的在共同入口处的边缘是弧形的，因此，消除了尖锐的边缘，液滴破碎减少。
在优选的实施方式中，所述翼片的第二部被折叠，使得所述第二液体收集袋在所述共同入口处的边缘也是弧形的，以进一步减少液滴破碎并增加叶片式分离器的强度。
优选地，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
优选地，所述板的折叠部的第一部分平行于所述z形通道的第一侧壁， 以及所述板的折叠部的第二部分平行于所述第二侧壁。
优选地，所述翼片的第二部平行于所述第一侧壁。
优选地，叶片式分离器的深度在3-12英寸的范围，所述叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。
实施例1：参见图4，示出了双袋型叶片式分离器的第一实施方式。用于从气体分离液体的双袋型叶片式分离器包括：限定在彼此平行设置的多个z形板41之间的多个z形通道44、第一液体收集袋42和第二液体收集袋43。图中标记出的箭头方向表示气流方向。在z形通道44中，第二侧壁46在第一侧壁45的上游并与第一侧壁45相邻。第一液体收集袋42和第二液体收集袋43设置于在z形通道的波峰和相邻的波谷之间的第一侧壁45上，第一液体收集袋42相对于第二液体收集袋43设置在气流方向的下游侧，第一液体收集袋42和第二液体收集袋43的共同入口47设置在所述波峰和波谷之间。第一液体收集袋42和第二液体收集袋43形成双袋。
第一液体收集袋42是通过折叠z形板41形成的，使得第一液体收集袋42在共同入口47处的边缘是弧形的。
Z形板41的折叠部由第一部分42a和第二部分42b组成。Z形板41的折叠部以及第一侧壁45形成第一液体收集袋42。Z形板41的折叠部的第一部分42a平行于第一侧壁45。z形板41的折叠部的第二部分42b在第一部分42a和第一侧壁45之间延伸。该第二部分42b平行于位于第一侧壁45上游的第二侧壁46。
第二液体收集袋43是通过将翼片的第一部43a焊接到第二侧壁46上形成的，其中翼片的第二部43b从翼片的第一部43a延伸。翼片的第二部43b平行于第一侧壁45。翼片的第二部43b与板的折叠部的第一部分42a在一条直线上。
实施例2：图5示出了基于在图4中示出的实施方式的改进，其中，翼片的第二部43b被折叠，使得第二液体收集袋43在共同入口47处的边缘是弧形的。本实施例的其他部分与实施例1相同。

Claims (18)

  1. 一种用于从气体分离液体的双袋型叶片式分离器，包括：
    在多个板之间限定的多个z形通道，以及
    第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道中相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的气流方向的下游侧，所述相邻的波峰和波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
    其特征在于，所述第一液体收集袋于所述共同入口处的边缘，以及所述第二液体收集袋于所述共同入口处的边缘，这两个边缘中至少一个是弧形的。
  2. 根据权利要求1所述的双袋型叶片式分离器，其特征在于，所述第一液体收集袋在所述共同入口处的边缘是弧形的。
  3. 根据权利要求1所述的双袋型叶片式分离器，其特征在于，所述第一液体收集袋和所述第二液体收集袋在所述共同入口处的边缘都是弧形的。
  4. 根据权利要求1所述的双袋型叶片式分离器，其特征在于，所述多个z形通道彼此平行。
  5. 根据权利要求4所述的双袋型叶片式分离器，其特征在于，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
  6. 根据权利要求1所述的双袋型叶片式分离器，其特征在于，所述第一液体收集袋是通过折叠所述板形成的，使得所述第一液体收集袋在所述共同入口处的边缘是弧形的。
  7. 根据权利要求6所述的双袋型叶片式分离器，其特征在于，所述板的折叠部的第一部分平行于所述z形通道的所述第一侧壁，以及所述板的折叠部的第二部分平行于所述z形通道的第二侧壁，所述第二侧壁与所述第一侧壁相邻并且位于所述第一侧壁的气流方向的上游。
  8. 根据权利要求1-7中任一项所述的双袋型叶片式分离器，其特征在于， 所述第二液体收集袋包括由第一部和第二部组成的翼片，该翼片的第一部固定到所述z形通道的与所述第一侧壁相邻并且位于所述第一侧壁的气流方向的上游的第二侧壁上，其中所述翼片的第二部从所述翼片的第一部延伸。
  9. 根据权利要求8所述的双袋型叶片式分离器，其中，所述翼片的第二部平行于所述第一侧壁。
  10. 根据权利要求8所述的双袋型叶片式分离器，其特征在于，所述翼片的第二部被折叠，使得所述第二液体收集袋在所述共同入口处的边缘是弧形的。
  11. 根据权利要求1所述的双袋型叶片式分离器，其特征在于，所述双袋型叶片式分离器的深度范围为3-12英寸，所述双袋型叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。
  12. 一种用于从气体分离液体的双袋型叶片式分离器，包括：
    在多个板之间限定的多个z形通道，以及
    第一液体收集袋和第二液体收集袋，所述第一液体收集袋和所述第二液体收集袋设置在所述z形通道中相邻的波峰和波谷之间的第一侧壁上，所述第一液体收集袋设置在所述第二液体收集袋的气流方向的下游侧，在所述相邻的波峰和所述波谷之间设置有所述第一液体收集袋和所述第二液体收集袋的共同入口，
    其中，所述第一液体收集袋是通过折叠所述板形成的使得所述第一液体收集袋在所述共同入口处的边缘是弧形的，以及所述第二液体收集袋是通过将翼片的第一部焊接到所述z形通道的第二侧壁上而限定的，所述第二侧壁位于所述第一侧壁的气流方向的上游并与所述第一侧壁相邻，其中所述翼片的第二部从所述翼片的第一部延伸。
  13. 根据权利要求12所述的双袋型叶片式分离器，其特征在于，所述多个z形通道彼此平行。
  14. 根据权利要求13所述的双袋型叶片式分离器，其特征在于，所述多个z形通道是通过多个彼此平行设置的z形板限定的。
  15. 根据权利要求12所述的双袋型叶片式分离器，其特征在于，所述板的折叠部的第一部分平行于所述z形通道的第一侧壁，以及所述板的折叠部的第二部分平行于所述第二侧壁。
  16. 根据权利要求12所述的双袋型叶片式分离器，其中，所述翼片的第二部平行于所述第一侧壁。
  17. 根据权利要求12所述的双袋型叶片式分离器，其特征在于，所述翼片的第二部是折叠的，使得所述第二液体收集袋在所述共同入口处的边缘是弧形的。
  18. 根据权利要求12所述的双袋型叶片式分离器，其特征在于，所述双袋型叶片式分离器的深度范围为3-12英寸，所述双袋型叶片式分离器的深度是在所述气流方向上左侧的最远点到右侧的最远点之间的通道的距离。
PCT/CN2015/082233 2014-06-25 2015-06-24 用于从气体分离液体的双袋型叶片式分离器 WO2015196997A1 (zh)

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