A liquefied gas graded purification device

Abstract

The present invention discloses a liquefied gas graded purification device, comprising a main pipeline, wherein a plurality of processing valves are connected in the main pipeline, wherein an elastic compression mechanism for maintaining an open state is provided in the processing valve, a hydrogen separation membrane is provided below the plurality of processing valves, and an output main pipeline is provided between the plurality of hydrogen separation membranes for connection, a switch valve body is provided on one side of the terminal processing valve, and a triggering control mechanism for gradually controlling the plurality of elastic compression mechanisms downward and the switch valve bodies to open from one side to the other is provided on the main pipeline. When the mixed gas enters the filter tube, it is provided with a plurality of filter cavities, which can realize multi-stage repeated filtration and achieve more accurate and stable filtration of the hydrogen in the mixed gas. At the same time, each filter cavity can be gradually pressurized to pressurize the mixed gas in each cavity, so that the hydrogen can better pass through the hydrogen filter membrane.

Description

Technical Field

[0001] The present invention relates to a hydrogen energy purification device, in particular to a liquefied gas graded purification device. Background Art

[0002] Hydrogen energy and hydrogen are mainly produced through thermochemical conversion of fossil fuels such as natural gas, coal, and oil. The initial processing usually uses a hydrogen separation membrane to filter the mixed gas to filter out the hydrogen. The mixed gas has insufficient pressure during the filtration process, which may cause some hydrogen to be unable to pass through the filter membrane, resulting in poor filtration effect. In addition, multiple and multi-stage pressure filtration processes cannot be achieved, resulting in poor purification effect.

[0003] Therefore, the existing hydrogen energy purification equipment needs to be further improved. Summary of the Invention

[0004] The purpose of the present invention is to provide a liquefied gas graded purification device, which can apply pressure when the mixed gas passes through the filter membrane and perform multi-stage filtration, thereby achieving a better hydrogen purification and filtration effect.

[0005] In order to achieve the above object, the present invention adopts the following scheme:

[0006] A liquefied gas graded purification device includes a main pipeline, multiple process valves are connected to the main pipeline, and elastic compression mechanisms are provided in the process valves to maintain an open state. Hydrogen separation membranes are provided below the multiple process valves, and an output main pipeline is provided between the multiple hydrogen separation membranes for connection. A switch valve body is provided on one side of the end-most process valve, and a triggering control mechanism is provided on the main pipeline for gradually controlling the multiple elastic compression mechanisms to move downward and the switch valve bodies to open from one side to the other.

[0007] Furthermore, the elastic compression mechanism includes a compression plate movably arranged in the processing valve, a vertical guide hole is provided on the processing valve, a vertical push rod is movably provided in the vertical guide hole, the vertical push rod is fixedly connected to the compression plate, and a spring body is provided between the vertical push rod and the processing valve for keeping the compression plate pressed upward.

[0008] Furthermore, the output main pipeline includes a branch pipeline connected to the hydrogen separation membrane, and a main output pipe is connected between the plurality of branch pipelines.

[0009] Furthermore, the one-by-one triggering control mechanism includes a swing arm structure arranged on one side of the main pipeline and a telescopic cylinder structure on the other side. A frame is provided on the main pipeline, a vertical slide is provided on the frame, a vertical slider is movably provided in the vertical slide, a horizontal axis is provided on the vertical slide, a straight slot is provided on the swing arm structure along the path of the swing arm structure, the horizontal axis is inserted into the straight slot and moves, and a plurality of triggering parts are evenly distributed on the swing arm structure, which can sequentially press a plurality of the elastic compression mechanisms and trigger the switch valve body.

[0010] Furthermore, the switch valve body includes a vertical groove arranged on the main pipeline, a closed baffle is movably arranged in the vertical groove, a connection opening for controlling the connection of the main pipeline is provided on the closed baffle, and an elastic mechanism for controlling the upward pressure of the closed baffle is provided on the main pipeline.

[0011] Furthermore, the elastic mechanism includes an axle seat arranged at the bottom of the main pipe, a plurality of axial holes are arranged in the axle seat, a guide shaft connected to the closed baffle is movably arranged in the axle hole, and a pressure spring is arranged between the axle seat and the closed baffle to control the upward pressure of the closed baffle.

[0012] Furthermore, a fixing frame for fixing the main pipeline is provided on the main pipeline.

[0013] In summary, the present invention has the following beneficial effects compared to the prior art:

[0014] The present invention solves the shortcomings of existing hydrogen energy purification devices. Through the structural setting of the present invention, it has the following advantages: when the mixed gas enters the filter tube, it is equipped with multiple filter cavities, which can realize multi-stage repeated filtration and achieve more accurate and stable filtration of the hydrogen in the mixed gas. At the same time, each filter cavity can be gradually pressurized to pressurize the mixed gas in each cavity, so that the hydrogen can better pass through the hydrogen filter membrane, and the unfiltered mixed gas enters the next cavity, and the pressure action is repeated to achieve comprehensive filtration and purification, save energy, and prevent the mixed gas from existing in the filter tube for a long time, thereby realizing automatic discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the present invention;

[0016] Figure 2 It is a left side view of the present invention;

[0017] Figure 3 for Figure 2 Cross-sectional view along line DD;

[0018] Figure 4 for Figure 3A local enlarged view of point A;

[0019] Figure 5 for Figure 3 A partial enlarged view of point B;

[0020] Figure 6 for Figure 3 A partial enlarged view of point C. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-6 The present invention provides a liquefied gas graded purification device, comprising a main pipeline 1, wherein a plurality of process valves 2 are connected to the main pipeline 1, wherein the process valves 2 are provided with elastic compression mechanisms 3 for maintaining an open state, hydrogen separation membranes 4 are provided below the plurality of process valves 2, and an output main pipeline 5 is provided between the plurality of hydrogen separation membranes 4 for connecting them, a switch valve body 6 is provided on one side of the endmost process valve 2, and a trigger control mechanism 7 is provided on the main pipeline 1 for gradually controlling the plurality of elastic compression mechanisms 3 to move downward and the switch valve bodies 6 to open from one side to the other;

[0023] Step 1: The mixed gas output pipe is connected to one end of the main pipeline 1, the other end of the main pipeline 1 is connected to the discharge end of the filtered mixed gas, and the output main pipeline 5 is connected to the input end of the hydrogen storage device;

[0024] Step 2: The mixed gas enters the first processing valve 2 and can pass through the hydrogen separation membrane 4 to perform gas separation and filtration in the absence of pressure. At this time, the elastic compression mechanism 3 is activated to perform compression on each of the elastic compression mechanisms 3;

[0025] Step 3: The control mechanism 7 is triggered one by one to press down the first elastic compression mechanism 3. At this time, the internal mixed gas is forced to pass through the hydrogen separation membrane 4 under pressure. After passing through the hydrogen separation membrane 4, the hydrogen is discharged from the output main pipe 5, completing the preliminary filtration of the mixed gas;

[0026] Step 4: Under the pressure of the elastic compression mechanism 3, the remaining mixed gas enters the second processing valve 2, and the work of step 3 is repeated;

[0027] Step 5. After multiple pressure treatments, the hydrogen in the mixed gas is completely separated, achieving multi-stage purification, saving energy, ensuring that the hydrogen in the mixed gas is completely separated, and preventing the mixed gas from being filtered and remaining in the treatment valve 2 for a long time. Other gases are discharged from the other end of the main pipeline 1.

[0028] The elastic compression mechanism 3 described in the present invention includes a compression plate 301 movably arranged in the processing valve 2, a vertical guide hole 302 is provided on the processing valve 2, a vertical push rod 303 is movably provided in the vertical guide hole 302, the vertical push rod 303 is fixedly connected to the compression plate 301, and a spring body 304 is provided between the vertical push rod 303 and the processing valve 2 for keeping the compression plate 301 pressed upward.

[0029] The output main pipeline 5 of the present invention includes branch pipelines 501 connected to the hydrogen separation membrane 4 , and a main output pipe 502 is connected between the plurality of branch pipelines 501 .

[0030] The one-by-one triggering control mechanism 7 described in the present invention includes a swing arm structure 701 arranged on one side of the main pipeline 1 and a telescopic cylinder structure 702 on the other side. The main pipeline 1 is provided with a frame 703, and the frame 703 is provided with a vertical slide groove 704. A vertical slider 705 is movably provided in the vertical slide groove 704, and a horizontal axis 706 is provided on the vertical slide groove 704. A straight slot 708 is provided on the swing arm structure 701 along the path of the swing arm structure 701, and the horizontal axis 706 is inserted into the straight slot 708 and moves. A plurality of triggering parts 707 that can sequentially press a plurality of the elastic compression mechanisms 3 and trigger the switch valve body 6 are evenly distributed on the swing arm structure 701.

[0031] The switch valve body 6 of the present invention includes a vertical slot 601 arranged on the main pipeline 1, and a closed baffle 602 is movably arranged in the vertical slot 601. The closed baffle 602 is provided with a connection opening 603 for controlling the connection of the main pipeline 1, and the main pipeline 1 is provided with an elastic mechanism 604 for controlling the upward pressure of the closed baffle 602.

[0032] The elastic mechanism 604 described in the present invention includes a shaft seat 605 arranged at the bottom of the main pipe 1, and a plurality of shaft holes 606 are arranged in the shaft seat 605. A guide shaft 607 connected to the closed baffle 602 is movably arranged in the shaft hole 606, and a pressure spring 608 for controlling the upward pressure of the closed baffle 602 is arranged between the shaft seat 605 and the closed baffle 602.

[0033] The main pipeline 1 of the present invention is provided with a fixing frame 100 for fixing the main pipeline 1 .

[0034] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquefied gas classification and purification device, comprising a main pipeline (1), characterized in that: A plurality of processing valves (2) are connected to the main pipeline (1), and an elastic compression mechanism (3) for maintaining an open state is provided in the processing valve (2). A hydrogen separation membrane (4) is provided below the plurality of processing valves (2), and an output main pipeline (5) is provided between the plurality of hydrogen separation membranes (4) for connection. A switch valve body (6) is provided on one side of the end processing valve (2), and a trigger control mechanism (7) for gradually controlling the plurality of elastic compression mechanisms (3) to move downward and the switch valve bodies (6) to open from one side to the other is provided on the main pipeline (1); The elastic compression mechanism (3) comprises a compression plate (301) movably arranged in the processing valve (2); a vertical guide hole (302) is provided on the processing valve (2); a vertical push rod (303) is movably provided in the vertical guide hole (302); the vertical push rod (303) and the compression plate (301) are fixedly connected; a spring body (304) is provided between the vertical push rod (303) and the processing valve (2) for keeping the compression plate (301) pressed upward; The output main pipeline (5) includes a branch pipeline (501) connected to the hydrogen separation membrane (4), and a main output pipe (502) is connected between the plurality of branch pipelines (501); The one-by-one triggering control mechanism (7) includes a swing rod structure (701) arranged on one side of the main pipe (1) and a telescopic cylinder structure (702) on the other side. The main pipe (1) is provided with a frame (703), and the frame (703) is provided with a vertical slide groove (704). A vertical slider (705) is movably provided in the vertical slide groove (704), and a transverse axis (706) is provided on the vertical slide groove (704). A straight slot (708) is provided on the swing rod structure (701) along the path of the swing rod structure (701), and the transverse axis (706) is inserted into the straight slot (708) and moves. A plurality of triggering parts (707) that can sequentially press a plurality of the elastic compression mechanisms (3) and trigger the switch valve body (6) are evenly distributed on the swing rod structure (701).

2. A liquefied gas graded purification device according to claim 1, characterized in that: The switch valve body (6) comprises a vertical slot (601) provided on the main pipeline (1), a closed baffle (602) movably provided in the vertical slot (601), a connection opening (603) for controlling the connection of the main pipeline (1) provided on the closed baffle (602), and an elastic mechanism (604) for controlling the upward pressing of the closed baffle (602) provided on the main pipeline (1).

3. A liquefied gas graded purification device according to claim 2, characterized in that: The elastic mechanism (604) includes a shaft seat (605) arranged at the bottom of the main pipe (1), a plurality of shaft holes (606) are arranged in the shaft seat (605), a guide shaft (607) connected to the closed baffle (602) is movably arranged in the shaft hole (606), and a pressure spring (608) is arranged between the shaft seat (605) and the closed baffle (602) for controlling the closed baffle (602) to press upward.

4. A liquefied gas graded purification device according to claim 3, characterized in that: The main pipeline (1) is provided with a fixing frame (100) for fixing the main pipeline (1).

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