Coalescence gas-liquid separation equipment

Abstract

The utility model relates to the technical field of electrolytic hydrogen production equipment, in particular to coalescence gas-liquid separation equipment which comprises a shell at least provided with a first separation connector and a second separation connector; the protective cover at least comprises a first protective cover and a second protective cover; the first protective cover is detachably arranged on the first separation interface; the second protective cover is detachably arranged on the second separation interface; the coalescence filter elements are respectively arranged in the first protective cover and the second protective cover; the shell is provided with a separation and settlement area, and the first protective cover and the second protective cover are respectively communicated with the separation and settlement area. According to the coalescence gas-liquid separation equipment, the defects that an end cover of an existing gas-liquid separator is large in size, too heavy in weight and large in disassembly and assembly difficulty are effectively overcome, when consumable items such as a coalescence filter element are periodically maintained and replaced, disassembly and assembly of a protective cover and replacement of the filter element can be easily completed through manpower, and the labor intensity of workers is reduced. And the repair and maintenance difficulty of the coalescence gas-liquid separation equipment is obviously reduced.

Description

Technical Field

[0001] The present application relates to the technical field of electrolytic hydrogen production equipment, and more particularly to a coalescing gas-liquid separation device. Background Art

[0002] Currently, in the existing water electrolysis hydrogen production system, efficient gas-liquid separation can reduce equipment costs and improve process effects. To ensure gas-liquid separation effects, the existing gas-liquid separators for PEM (Proton Exchange Membrane) usually use multiple coalescing filters. Multiple coalescing filters share a single housing and the same end cap, which makes the size of the end cap very large and the weight can reach hundreds of kilograms. During the installation, repair, and replacement of the coalescing filters, the end cap needs to be disassembled and assembled. Due to the large size and weight of the end cap, the disassembly and assembly of the end cap and the coalescing filters are both very difficult, resulting in very high difficulty in replacing and maintaining the coalescing filters. Summary of the Utility Model

[0003] The purpose of the present application is to provide a coalescing gas-liquid separation device to solve, to a certain extent, the technical problem in the existing technology that the weight and size of the end cap of the existing gas-liquid separator are large, resulting in great difficulty in the installation, repair, and replacement of the coalescing filter.

[0004] The present application provides a coalescing gas-liquid separation device, including: a housing, the housing is provided with at least a first separation interface and a second separation interface;

[0005] A protective cover, the protective cover at least includes a first protective cover and a second protective cover; the first protective cover is detachably arranged at the first separation interface; the second protective cover is detachably arranged at the second separation interface;

[0006] Coalescing filters, the coalescing filters are respectively arranged inside the first protective cover and the second protective cover;

[0007] The housing is provided with a separation and sedimentation area, and the first protective cover and the second protective cover are respectively communicated with the separation and sedimentation area.

[0008] In the above technical solution, further, an inlet is arranged on the side wall of the housing, and the inlet is communicated with the separation and sedimentation area;

[0009] The housing is further provided with a drain port, a primary liquid storage area communicated with the separation and sedimentation area is formed inside the housing, and the drain port is arranged at the bottom of the primary liquid storage area.

[0010] In any of the above technical solutions, further, the coalescing gas-liquid separation device further includes:

[0011] The first mounting member is disposed at the first separation interface; the first mounting member is provided with a first connecting portion, and the first protective cover is provided with a second connecting portion, and the first connecting portion and the second connecting portion are detachably connected;

[0012] The second mounting member is disposed at the second separation interface; the second mounting member is provided with a third connecting portion, and the second protective cover is provided with a fourth connecting portion, and the third connecting portion and the fourth connecting portion are detachably connected.

[0013] In any of the above technical solutions, further, an internally formed first mounting cavity and a first liquid separation cavity are spaced apart from each other in the first mounting member, and the first mounting cavity and the first liquid separation cavity are respectively communicated with the internal space in the first protective cover;

[0014] An internally formed second mounting cavity and a second liquid separation cavity are spaced apart from each other in the second mounting member, and the second mounting cavity and the second liquid separation cavity are respectively communicated with the internal space in the second protective cover.

[0015] In any of the above technical solutions, further, the first mounting member is provided with a first drain port, and the first drain port is communicated with the first liquid separation cavity; the second mounting member is provided with a second drain port, and the second drain port is communicated with the second liquid separation cavity.

[0016] In any of the above technical solutions, further, the coalescing gas-liquid separation device further includes a coarse filtration member, and the coarse filtration member is respectively disposed in the first mounting cavity and the second mounting cavity.

[0017] In any of the above technical solutions, further, the first protective cover is provided with a first exhaust port; the second protective cover is provided with a second exhaust port.

[0018] In any of the above technical solutions, further, the coalescing gas-liquid separation device further includes a condenser, the condenser is provided with a first connection port and a second connection port, the first exhaust port and the second exhaust port are respectively connected to the first connection port, and the second connection port is used for discharging the condensed water generated by the condenser.

[0019] In any of the above technical solutions, further, the coalescing gas-liquid separation device further includes a manifold, one end of the manifold is communicated with the first exhaust port, the second exhaust port and the second connection port, and the other end of the manifold is located in the housing and extends towards the bottom of the housing.

[0020] In any of the above technical solutions, further, the coalescing gas-liquid separation device further includes an anti-vortex member, and the anti-vortex member is disposed at the drain port.

[0021] Compared with the prior art, the beneficial effects of the present application are as follows:

[0022] The coalescing gas-liquid separation device provided by the present application includes: a housing, the housing is provided with at least a first separation interface and a second separation interface; a protective cover, the protective cover at least includes a first protective cover and a second protective cover; the first protective cover is detachably arranged at the first separation interface; the second protective cover, the second protective cover is detachably arranged at the second separation interface; a coalescing filter element, the first protective cover and the second protective cover are respectively provided with a coalescing filter element; the housing is provided with a separation and sedimentation area, and the first protective cover and the second protective cover are respectively communicated with the separation and sedimentation area.

[0023] The coalescing gas-liquid separation device provided by the present application effectively solves the defects of the existing gas-liquid separator end cover with large size, heavy weight and difficult disassembly and assembly. When performing periodic maintenance and replacement of consumables such as coalescing filter elements, the disassembly and assembly of the protective cover and the replacement of the filter element can be easily completed by manpower, significantly reducing the difficulty of maintenance and repair of the present coalescing gas-liquid separation device. Description of the Drawings

[0024] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0025] Figure 1 It is a schematic structural diagram of the coalescing gas-liquid separation device provided in the first embodiment of the present application;

[0026] Figure 2 It is a schematic structural diagram of the coalescing gas-liquid separation device provided in the second embodiment of the present application.

[0027] Reference Numerals:

[0028] 1 - housing, 101 - separation and sedimentation area, 102 - primary liquid storage area, 103 - inlet, 104 - drain port, 2 - first protective cover, 201 - second connection part, 202 - first exhaust port, 3 - second protective cover, 301 - second exhaust port, 4 - coalescing filter element, 401 - inflow channel, 501 - first outer shell, 502 - first connection part, 503 - first installation cavity, 504 - first liquid separation cavity, 505 - first liquid discharge port, 601 - second installation cavity, 602 - second liquid separation cavity, 603 - second liquid discharge port, 7 - coarse filter member, 8 - anti-vortex member, 9 - condenser, 901 - second connection port, 902 - release port, 10 - manifold. Detailed Embodiments

[0029] The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all of the embodiments.

[0030] The components of the embodiments of the present application usually described and shown in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application claimed, but merely represents the selected embodiments of the present application.

[0031] All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present application without creative efforts fall within the scope of protection of the present application.

[0032] In the description of the present application, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present application. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0033] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0034] The coalescing gas-liquid separation device described in the embodiments of the present application will be described below with reference to Figure 1 and Figure 2 Describe the coalescing gas-liquid separation device described in the embodiments of the present application.

[0035] In the first aspect, the embodiments of the present application provide the following two types of coalescing gas-liquid separation devices. The coalescing gas-liquid separation devices provided in this embodiment are particularly applicable to the water electrolysis hydrogen production system.

[0036] Embodiment 1. See Figure 1As shown in the figure, Embodiment 1 of the present application provides a coalescing gas-liquid separation device. The coalescing gas-liquid separation device includes a housing 1, a protective cover, and a coalescing filter element 4. Among them, at least two separation interfaces are provided on the housing 1. Taking the number of separation interfaces as two as an example, the two separation interfaces are a first separation interface and a second separation interface respectively. The number of protective covers is the same as the number of separation interfaces and corresponds one by one. When the number of protective covers is also two, the two protective covers are a first protective cover 2 and a second protective cover 3 respectively. Among them, the first protective cover 2 is detachably arranged at the first separation interface, and the second protective cover 3 is detachably arranged at the second separation interface.

[0037] A cavity for accommodating and installing the coalescing filter element 4 is formed inside both the first protective cover 2 and the second protective cover 3. The number of coalescing filter elements 4 is not less than the number of protective covers, and one or more coalescing filter elements 4 are correspondingly arranged in each protective cover.

[0038] A separation and sedimentation area 101 and a primary liquid storage area 102 that communicate with each other are formed inside the housing 1. Preferably, the lateral length of the separation and sedimentation area 101 is greater than the width of the primary liquid storage area 102. The first separation interface and the second separation interface are arranged at intervals along the length direction of the separation and sedimentation area 101 on the part of the housing 1 corresponding to the separation and sedimentation area 101. Preferably, the depth of the primary liquid storage area 102 is greater than the depth of the separation and sedimentation area 101 to ensure that the primary liquid storage area 102 has sufficient liquid storage capacity.

[0039] An inlet 103 and a drain port 104 are also provided on the side wall of the housing 1. Among them, the inlet 103 communicates with the separation and sedimentation area 101. The gas-liquid mixture to be separated flows into the separation and sedimentation area 101 through the inlet 103. The gas in the gas-liquid mixture flows upward, and the moisture in the gas-liquid mixture falls into the primary liquid storage area 102. Preferably, the drain port 104 is arranged at the bottom of the primary liquid storage area 102.

[0040] Furthermore, the coalescing gas-liquid separation device of the present application further includes a first installation member and a second installation member. The first protective cover 2 is arranged at the first separation interface through the first installation member, and the second protective cover 3 is arranged at the second separation interface through the second installation member.

[0041] Specifically, the first installation component includes a first outer shell 501. The shape of the first outer shell 501 is adapted to the shape of the first separation interface, such that the first outer shell 501 can be embedded into the first separation interface, and the first outer shell 501 is sealingly connected to the first separation interface. The first outer shell 501 is provided with a first connection portion 502. The first protective cover 2 has a cylindrical structure or a groove structure with one end open. The opening of the first protective cover 2 is provided with a second connection portion 201, and the second connection portion 201 can be adaptively connected to the first connection portion 502. Preferably, in this embodiment, the first connection portion 502 is a flange provided on the first outer shell 501 and protruding relative to the side wall of the first outer shell 501, and the second connection portion 201 is a flange provided at the port of the first protective cover 2 and protruding relative to the outer wall surface of the first protective cover 2. The first connection portion 502 and the second connection portion 201 can be mutually attached and locked by adapted bolts and nuts.

[0042] Further, a first installation cavity 503 and a first liquid separation cavity 504 which are coaxially arranged and mutually independent are formed inside the first outer shell 501. The first liquid separation cavity 504 is arranged around the first installation cavity 503. The bottom end of the first installation cavity 503 is communicated with the separation and sedimentation area 101, such that the gas-liquid mixture flowing into the separation and sedimentation area 101 can flow into the first installation cavity 503. The upper end of the first installation cavity 503 is communicated with the internal space of the first protective cover 2. The first liquid separation cavity 504 is not communicated with the separation and sedimentation area 101. The first liquid separation cavity 504 has an annular groove structure. The upper end of the first liquid separation cavity 504 is communicated with the internal space of the first protective cover 2, such that the liquid droplets separated by the coalescing filter element 4 in the first protective cover 2 can flow into the first liquid separation cavity 504. Both the first liquid separation cavity 504 and the second liquid separation cavity 602 of the second installation component serve as secondary liquid storage cavities.

[0043] A first liquid discharge port 505 is further provided on the side wall of the first outer shell 501. The first liquid discharge port 505 is communicated with the first liquid separation cavity 504 and is used for releasing the liquid stored in the first liquid separation cavity 504.

[0044] The structure of the second installation component is the same as the structure of the above-mentioned first installation component, and has a second installation cavity 601 and a second liquid separation cavity 602. The second liquid separation cavity 602 is provided with a second liquid discharge port 603. The second installation component and the protective cover are connected by adapted third connection portion and fourth connection portion. The setting method and positional relationship between the second installation component and the second separation interface can refer to the above content, and those skilled in the art can fully understand it, and it is not necessary to elaborate here one by one.

[0045] Furthermore, the coalescing gas-liquid separation device further includes a coarse filter member 7. In this embodiment, the coarse filter member 7 is a commonly used coarse filter element in the gas-liquid separation process. The coarse filter member 7 is disposed in the first installation cavity 503 and the second installation cavity 601 of the second installation member. Part of the moisture in the gas-liquid mixture entering the separation and sedimentation area 101 sinks to the primary liquid storage area 102 under the action of gravity. At this time, part of the moisture flows to the first protective cover 2 and the second protective cover 3 along with the air flow. When flowing through the coarse filter member 7, the coarse filter member 7 can preliminarily filter out part of the moisture, large liquid droplets, etc. mixed in the air flow, and the intercepted moisture flows back to the primary liquid storage area 102.

[0046] As the air flow continues to flow upward, the air flow carries a small amount of moisture and flows towards the coalescing filter element 4. In this embodiment, the coalescing filter element 4 is a commonly used gas-liquid separation filter element in the prior art, which is wound by glass fiber. An inflow channel 401 is formed along its axial direction at the central position thereof. Preferably, the first installation cavity 503 and the second installation cavity 601 are respectively provided with installation ports for fixing the coalescing filter element 4. The first installation cavity 503 or the second installation cavity 601 is communicated with the inflow channel 401 of the coalescing filter element 4 at the installation port. More preferably, the diameter of the installation port is equal to the diameter of the inflow channel 401. After the gas carrying a small amount of moisture flows through the inflow channel 401 and towards the coalescing filter element 4, liquid droplets are condensed on the glass fiber surface of the coalescing filter element 4. Under the combined action of the inertia, collision, coalescence and gravity of the coalescing filter element 4, the liquid droplets face the outside of the coalescing filter element 4 and flow downward. Finally, the liquid separated by the coalescing filter element 4 flows into the first liquid separation cavity 504 and the second liquid separation cavity 602.

[0047] Furthermore, the first protective cover 2 is provided with a first exhaust port 202, and the second protective cover 3 is provided with a second exhaust port 301. Preferably, the first exhaust port 202 is disposed at the top or near the top of the first protective cover 2, and the second exhaust port 301 is disposed at the top or near the top of the second protective cover 3. The first exhaust port 202 and the second exhaust port 301 are used to release and collect the gas after the gas-liquid separation is completed.

[0048] Furthermore, the coalescing gas-liquid separation device further includes an anti-vortex member 8. In this embodiment, the anti-vortex member 8 is specifically an anti-vortex plate common in the prior art. The anti-vortex plate is disposed at the drain port 104 in the primary liquid storage area 102. By providing an anti-vortex plate at the drain port 104, it is possible to avoid the generation of vortices in the primary liquid storage area 102 and the separation and sedimentation area 101 when the drain port 104 is opened to release the stored water in the primary liquid storage area 102, resulting in changes or even disorders in the air flow in the housing 1, which affects the gas-liquid separation effect and efficiency of the coalescing gas-liquid separation device.

[0049] Embodiment 2. Refer to Figure 2As shown in the figure, Embodiment 2 of the present application provides another coalescing gas-liquid separation device. The coalescing gas-liquid separation device provided in Embodiment 2 includes all the contents of Embodiment 1 above and has all the beneficial effects of the coalescing gas-liquid separation device provided in Embodiment 1. The same content will not be repeated in Embodiment 2.

[0050] Further, the coalescing gas-liquid separation device provided in this embodiment further includes a condenser 9. The condenser 9 is provided with a first connection port and a second connection port 901. In addition, the condenser 9 is further provided with a release port 902 for discharging gas. Among them, the first connection port is the gas inlet of the condenser 9, and the second connection port 901 is the discharge port for the condensed water generated during the operation of the condenser 9. The first exhaust port 202 and the second exhaust port 301 are both connected to the first connection port. The temperature of the gas released through the first exhaust port 202 and the second exhaust port 301 is usually relatively high and may also contain a certain amount of water vapor, which is likely to affect the purity of the gas. The gas released through the first exhaust port 202 and the second exhaust port 301 enters the condenser 9 to be cooled, which promotes the condensation and precipitation of liquid water, thereby improving the purity of the gas flowing out through the release port 902.

[0051] Further, the coalescing gas-liquid separation device provided in this embodiment further includes a manifold 10. One end of the manifold 10 is simultaneously connected to the first liquid discharge port 505, the second liquid discharge port 603, and the second connection port 901. Preferably, the first liquid discharge port 505 and the second liquid discharge port 603 are respectively connected to the condensed water storage tank inside the condenser 9 through pipelines. The water in the first liquid separation chamber 504 and the second liquid separation chamber 602 converges with the condensed water in the condenser 9 and then flows to the manifold 10 through the second connection port 901. The other end of the manifold 10 penetrates into the housing 1 and extends towards the bottom of the primary liquid storage area 102, thereby realizing the secondary water separation and drainage of the coalescing filter element 4 and the drainage of the condensed water of the condenser 9.

[0052] It should be noted that the above only describes in detail the technical solution claimed in the present application by taking the number of coalescing filter elements 4, the number of protective covers, and the number of separation interfaces as two. When the number of coalescing filter elements 4, the number of protective covers, and the number of separation interfaces are all more, the size of the housing 1 can be appropriately increased without increasing the size of a single protective cover. Those skilled in the art are also fully capable of arranging multiple coalescing filter elements 4, multiple protective covers, and multiple separation interfaces according to the above setting methods and connection methods.

[0053] In summary, for the coalescing gas-liquid separation equipment provided by the present application, by separately configuring small-sized protective covers for different coalescing filter elements, the defects of the existing end covers of gas-liquid separators, such as large size, heavy weight, and difficult disassembly and assembly, are effectively solved. When performing periodic maintenance and replacement of consumables such as the coalescing filter element 4, the disassembly and assembly of the protective cover and the replacement of the filter element can be easily completed by relying on manpower, significantly reducing the difficulty of repairing and maintaining the present coalescing gas-liquid separation equipment.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present application.

Claims

1. A coalescing gas-liquid separation device, characterized in that Comprising: A housing, the housing is provided with at least a first separation interface and a second separation interface; A protective cover, the protective cover at least includes a first protective cover and a second protective cover; the first protective cover is detachably arranged at the first separation interface; the second protective cover is detachably arranged at the second separation interface; A coalescing filter element, the coalescing filter element is respectively arranged in the first protective cover and the second protective cover; The housing is provided with a separation and sedimentation area, the first protective cover and the second protective cover are respectively communicated with the separation and sedimentation area.

2. The coalescing gas-liquid separation device according to claim 1, wherein An inlet is arranged on the side wall of the housing, and the inlet is communicated with the separation and sedimentation area; The housing is further provided with a drain port, a primary liquid storage area communicated with the separation and sedimentation area is formed inside the housing, and the drain port is arranged at the bottom of the primary liquid storage area.

3. The coalescing gas-liquid separation device according to claim 1, wherein The coalescing gas-liquid separation device further includes: A first mounting member, the first mounting member is arranged at the first separation interface; the first mounting member is provided with a first connecting portion, the first protective cover is provided with a second connecting portion, and the first connecting portion is detachably connected with the second connecting portion; A second mounting member, the second mounting member is arranged at the second separation interface; the second mounting member is provided with a third connecting portion, the second protective cover is provided with a fourth connecting portion, and the third connecting portion is detachably connected with the fourth connecting portion.

4. The coalescing gas-liquid separation device according to claim 3, characterized in that, A first mounting cavity and a first liquid separation cavity which are arranged at intervals are formed inside the first mounting member, and the first mounting cavity and the first liquid separation cavity are respectively communicated with the internal space inside the first protective cover; A second mounting cavity and a second liquid separation cavity which are arranged at intervals are formed inside the second mounting member, and the second mounting cavity and the second liquid separation cavity are respectively communicated with the internal space inside the second protective cover.

5. The coalescing gas-liquid separation device according to claim 4, wherein, The first mounting member is provided with a first liquid discharge port, and the first liquid discharge port is communicated with the first liquid separation cavity; the second mounting member is provided with a second liquid discharge port, and the second liquid discharge port is communicated with the second liquid separation cavity.

6. The coalescing gas-liquid separation device according to claim 4, characterized in that, The coalescing gas-liquid separation device further includes a coarse filtering member, and the coarse filtering member is respectively arranged in the first mounting cavity and the second mounting cavity.

7. The coalescing gas-liquid separation device according to any one of claims 1 to 6, characterized in that, The first protective cover is provided with a first exhaust port; the second protective cover is provided with a second exhaust port.

8. The coalescing gas-liquid separation device according to claim 7, characterized in that, The coalescing gas-liquid separation device further includes a condenser, the condenser is provided with a first connection port and a second connection port, the first exhaust port and the second exhaust port are respectively connected with the first connection port, and the second connection port is used for discharging the condensed water generated by the condenser.

9. The coalescing gas-liquid separation device according to claim 8, characterized in that, The coalescing gas-liquid separation device further includes a confluence pipe, one end of the confluence pipe is communicated with the first exhaust port, the second exhaust port and the second connection port, and the other end of the confluence pipe is located inside the housing and extends towards the bottom of the housing.

10. The coalescing gas-liquid separation device according to claim 2, characterized in that, The coalescing gas-liquid separation device further includes an anti-vortex member, and the anti-vortex member is arranged at the drain port.

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