CN209967996U - High-pressure serial low-pressure gas-liquid separation device - Google Patents

High-pressure serial low-pressure gas-liquid separation device Download PDF

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Publication number
CN209967996U
CN209967996U CN201920755781.3U CN201920755781U CN209967996U CN 209967996 U CN209967996 U CN 209967996U CN 201920755781 U CN201920755781 U CN 201920755781U CN 209967996 U CN209967996 U CN 209967996U
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pressure
low
separator
pipeline
gas
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CN201920755781.3U
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王运生
刘占杰
李敬强
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Shandong Yinuo Biomass Materials Co Ltd
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Shandong Yinuo Biomass Materials Co Ltd
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Abstract

The utility model relates to a chemical industry field especially relates to high pressure cluster low pressure gas-liquid separation. The separation device comprises a high-pressure separator (1), the high-pressure separator is a gas-liquid separator, an upper straight-line pipeline (2) is connected above the high-pressure separator (1), the upper straight-line pipeline is connected with a low-pressure separator (6) through a pipeline, the low-pressure separator is a gas-liquid separator, a gas pipeline above the low-pressure separator is connected with the upper straight-line pipeline, the upper straight-line pipeline is connected with a low-pressure straight-line pipeline (3), and the low-pressure straight-line pipeline (3) is connected with a hydrogen recovery device; and a liquid outlet below the low-pressure separator is connected with a liquid recovery pipeline, and the liquid recovery pipeline is connected with a liquid recovery device.

Description

High-pressure serial low-pressure gas-liquid separation device
Technical Field
The utility model relates to a chemical industry field especially relates to high pressure cluster low pressure gas-liquid separation.
Background
The furfuryl alcohol reaction is a catalytic hydrogenation reaction at about 200 ℃ under the pressure of 6-7MPa, and because the reaction system is a high-temperature high-pressure system, the pressure needs to be relieved during subsequent post-treatment, the subsequent treatment is carried out at normal pressure, the mixed material from the reaction system contains a solid catalyst, liquid furfuryl alcohol and other impurities, and gaseous hydrogen, and if the post-treatment is directly carried out, great potential safety hazards can be generated, and the hydrogen is wasted.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is that: in order to provide a high-pressure serial low-pressure gas-liquid separation device with better effect, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the high-pressure series low-pressure gas-liquid separation device is characterized by comprising a high-pressure separator 1, wherein the high-pressure separator is a gas-liquid separator, an upper straight-line pipeline 2 is connected above the high-pressure separator 1, the upper straight-line pipeline is connected with a low-pressure separator 6 through a pipeline, the low-pressure separator is a gas-liquid separator, a gas pipeline above the low-pressure separator is connected with an upper straight-line pipeline, the upper straight-line pipeline is connected with a low-pressure straight-line pipeline 3, and the low-pressure straight-line pipeline 3 is connected with a hydrogen recovery device; and a liquid outlet below the low-pressure separator is connected with a liquid recovery pipeline, and the liquid recovery pipeline is connected with a liquid recovery device.
The utility model discloses a further technical scheme lies in, the straight row pipeline 2 of top, the straight row pipeline 3 of low pressure on contain the valve separately.
The utility model discloses a further technical scheme lies in, high pressure separator 1, low pressure separator on respective pipeline be connected with the adjustment part, the adjustment part divide into the regulating valve group.
Adopt above technical scheme the utility model discloses, for prior art have following beneficial effect: a high-pressure separator: the self-regulating valve is interlocked with the liquid level of the separator, and according to the liquid level of the separator, the opening degree of the self-regulating valve is automatically controlled, when the liquid level in the high-pressure separator is lower than a certain degree, the valve is automatically opened, partial gas is discharged, so that the liquid level in the gas-liquid separator is always in a set position, and the stability of the liquid level is kept. A low-pressure separator: further ensuring that all gas in the separator is discharged from the upper part and cannot enter a subsequent treatment system. The self-regulating valve is interlocked with the pressure of the separator, and after the pressure reaches a certain degree, the self-regulating valve is automatically started, so that excessive gas is discharged, and the stability of the liquid level and the stability of the discharge pressure are controlled. The discharged gas is removed from a front buffer tank of the hydrogen compressor and then enters the hydrogen compressor for recycling, so that the waste of hydrogen is avoided.
Drawings
For further explanation of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural view of the utility model;
wherein: 1. a high pressure separator; 2. an upper straight pipeline; 3. a low-pressure direct discharge pipeline; 4. an adjustment section; 5. a hydrogen recovery unit; 6. a low pressure separator; 7. a liquid recovery conduit; 8. the pipeline is again disconnected. The T structures at the sides of the upper direct vent pipeline and the low-pressure direct vent pipeline in the graph are valves.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The patent provides a plurality of parallel schemes, and different expressions belong to an improved scheme based on a basic scheme or a parallel scheme. Each solution has its own unique features.
The high-pressure series low-pressure gas-liquid separation device is characterized by comprising a high-pressure separator 1, wherein the high-pressure separator is a gas-liquid separator, an upper straight-line pipeline 2 is connected above the high-pressure separator 1, the upper straight-line pipeline is connected with a low-pressure separator 6 through a pipeline, the low-pressure separator is a gas-liquid separator, a gas pipeline above the low-pressure separator is connected with an upper straight-line pipeline, the upper straight-line pipeline is connected with a low-pressure straight-line pipeline 3, and the low-pressure straight-line pipeline 3 is connected with a hydrogen recovery device; and a liquid outlet below the low-pressure separator is connected with a liquid recovery pipeline, and the liquid recovery pipeline is connected with a liquid recovery device. The technical scheme of the invention has the following substantial technical effects and the realization process: a high-pressure separator: the self-regulating valve is interlocked with the liquid level of the separator, and according to the liquid level of the separator, the opening degree of the self-regulating valve is automatically controlled, when the liquid level in the high-pressure separator is lower than a certain degree, the valve is automatically opened, partial gas is discharged, so that the liquid level in the gas-liquid separator is always in a set position, and the stability of the liquid level is kept. A low-pressure separator: further ensuring that all gas in the separator is discharged from the upper part and cannot enter a subsequent treatment system. The self-regulating valve is interlocked with the pressure of the separator, and after the pressure reaches a certain degree, the self-regulating valve is automatically started, so that excessive gas is discharged, and the stability of the liquid level and the stability of the discharge pressure are controlled. The discharged gas is removed from a front buffer tank of the hydrogen compressor and then enters the hydrogen compressor for recycling, so that the waste of hydrogen is avoided. The air at the upper part of the two separators enters a buffer tank and then enters a hydrogen compressor for continuous recycling.
The upper direct discharging pipeline 2 and the low-pressure direct discharging pipeline 3 respectively comprise valves. The high-pressure separator 1 and the low-pressure separator are respectively connected with an adjusting part on a pipeline, and the adjusting part is an adjusting valve group. The technical scheme of the invention has the following substantial technical effects and the realization process: according to the liquid level of the separator, the opening degree of the self-regulating valve is automatically controlled, so that the liquid level in the gas-liquid separator is always in a set position, the self-regulating valve has the functions of reducing pressure and controlling the liquid level, and after the self-regulating valve is set, the system can brake and control liquid to move backwards, and the liquid is ensured to be discharged from the bottom. The valve is preferably an automatically adjustable valve.
Preferably, the gas discharge pipes of the high-pressure and low-pressure separators are provided with check valves to prevent the gas of the high-pressure and low-pressure gases from being mixed. The self-regulating valve is an automatic regulating valve.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a novel adjustment structure. Some details are not shown in the figures.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims.

Claims (3)

1. The high-pressure series low-pressure gas-liquid separation device is characterized by comprising a high-pressure separator (1), wherein the high-pressure separator is a gas-liquid separator, an upper straight-line pipeline (2) is connected above the high-pressure separator (1), the upper straight-line pipeline is connected with a low-pressure separator (6) through a pipeline, the low-pressure separator is a gas-liquid separator, a gas pipeline above the low-pressure separator is connected with an upper straight-line pipeline, the upper straight-line pipeline is connected with a low-pressure straight-line pipeline (3), and the low-pressure straight-line pipeline (3) is connected with a hydrogen recovery device; and a liquid outlet below the low-pressure separator is connected with a liquid recovery pipeline, and the liquid recovery pipeline is connected with a liquid recovery device.
2. The high-pressure cascade low-pressure gas-liquid separation device as claimed in claim 1, wherein the upper straight exhaust line (2) and the low-pressure straight exhaust line (3) each comprise a valve.
3. The high-pressure cascade low-pressure gas-liquid separation device according to claim 1, wherein the high-pressure separator (1) and the low-pressure separator are respectively connected with an adjusting part on a pipeline, and the adjusting part is an adjusting valve group.
CN201920755781.3U 2019-05-24 2019-05-24 High-pressure serial low-pressure gas-liquid separation device Active CN209967996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920755781.3U CN209967996U (en) 2019-05-24 2019-05-24 High-pressure serial low-pressure gas-liquid separation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920755781.3U CN209967996U (en) 2019-05-24 2019-05-24 High-pressure serial low-pressure gas-liquid separation device

Publications (1)

Publication Number Publication Date
CN209967996U true CN209967996U (en) 2020-01-21

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Country Status (1)

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CN (1) CN209967996U (en)

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