Membrane separation hydrogen extraction equipment

Abstract

The utility model belongs to the technical field of membrane separation hydrogen extraction, and particularly relates to membrane separation hydrogen extraction equipment which comprises an equipment main body, an extension cylinder and a guide pipe, and the guide pipe filters feed gas in advance through the extension cylinder and then enables the feed gas to enter the equipment main body; a rotary cylinder and an air blower on one side of the rotary cylinder are arranged above the extension cylinder, an inner filter cylinder for intercepting NH4Cl salt impurities and adsorbent pulverization particles and a filter material in the inner filter cylinder are arranged in the extension cylinder, and a plurality of layers of guide plates are arranged in the inner filter cylinder to form graded interception operation. According to the utility model, salt impurities such as NH4Cl and adsorbent pulverization particles can be intercepted in advance when raw material gas enters equipment, and are subjected to secondary separation for storage, so that membrane core blockage caused by the fact that the impurities directly enter the equipment can be effectively prevented, and the efficiency and the quality of membrane separation hydrogen extraction are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of membrane separation hydrogen extraction, in particular to a membrane separation hydrogen extraction device. Background Art

[0002] Membrane separation hydrogen extraction is a method of separating hydrogen from other impurity gases and purifying hydrogen by utilizing the membrane material's special selective permeability to hydrogen. This method is based on the principle of membrane selective permeability, that is, under a certain temperature and pressure, due to the membrane material's selective permeability to hydrogen, only hydrogen is allowed to penetrate the membrane to reach the downstream section, while the remaining impurity gases are retained in the upstream section, thereby achieving the purpose of gas separation;

[0003] At present, in the actual operation of membrane separation hydrogen extraction, the raw gas contains salt impurities such as NH4Cl and adsorbent powder particles. These impurities will gradually accumulate in the filter element of the pre-membrane coalescer, especially on the surface and inside of the filter element, causing the filter element to be blocked and affecting the subsequent performance.

[0004] In order to solve the above problems, this application proposes a membrane separation hydrogen extraction device. Utility Model Content

[0005] The purpose of the utility model is to provide a membrane separation hydrogen extraction device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a membrane separation hydrogen extraction device, comprising: a device body, an extension tube and a conduit, wherein the conduit filters the raw gas in advance through the extension tube and allows the raw gas to enter the interior of the device body; a rotating tube is arranged above the extension tube, and a blower is arranged on one side thereof; an inner filter tube and a filter material inside the extension tube are arranged inside the extension tube for intercepting NH4Cl salt impurities and adsorbent powder particles, and a multi-layer guide plate is arranged inside the inner filter tube to form a graded interception operation; an air guide duct is also arranged on one side above the extension tube, and a fixed seat is arranged at the upper end thereof to install the blower, through which a strong airflow is poured into the interior of the inner filter tube to blow out the impurities and store them in the storage box inside the inner filter tube.

[0008] Furthermore, both upper and lower ends of the inner filter cartridge are provided with limiting mesh plates, and a plurality of isolation plates are evenly arranged around the inner circumference of the inner filter cartridge to divide different areas, so as to facilitate the subsequent secondary separation and storage of impurities.

[0009] Furthermore, a rotating gear is provided above the extension cylinder to mesh with an external gear on the outside of the rotating cylinder to drive the inner filter cylinder to rotate for secondary separation of impurities. A positioning pin is provided on the inner side of the lower end of the external gear to dock with the inner side of the upper end of the inner filter cylinder.

[0010] Further, a positioning cylinder is provided at the lower end of the catheter, and a trapezoidal platform and a sealing ball are additionally provided inside its bottom.

[0011] Further, when the sealing ball abuts against the upper end of the isolation plate, it automatically moves upward to abut against the lower end of the trapezoidal platform to form a seal. Then, when it disengages from the isolation plate, it automatically falls to contact the seal, allowing the raw material gas to directly pour into the interior of the inner filter cartridge.

[0012] Further, a positioning rod for abutting against the sealing ball to control its maximum descending distance is also provided inside the lower end of the positioning cylinder.

[0013] Further, an annular mesh plate is provided inside the storage box and is installed inside the inner filter cartridge at the connection port with the inner filter cartridge.

[0014] The utility model has the following beneficial effects:

[0015] By adding a part at the upper end, the utility model can directly use the internal filter material to intercept NH4Cl and other salt impurities and pulverized particles of the adsorbent in a graded manner, so as to avoid a large amount of impurities in the raw material gas from clogging the membrane core, maintain the hydrogen production efficiency for a long time, and at the same time extend the service life of the equipment, which is conducive to the use of high-efficiency membrane separation hydrogen production operation;

[0016] By driving the rotation, the utility model can make the continuous rotation, and then cooperate with the separation. When the filter material between adjacent parts rotates to a predetermined position, the impurities intercepted by the filter material can be blown out by spraying a strong air flow and stored inside. After this arrangement, the long-term use performance of the filter material can be guaranteed, and frequent disassembly, cleaning and replacement can be avoided, saving costs.

[0017] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for describing the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0019] Figure 1 It is a schematic diagram of the overall external structure of the present utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the connection part between the extension cylinder and the equipment main body of the present utility model;

[0021] Figure 3 It is a schematic diagram of the internal part of the extension cylinder of the present utility model;

[0022] Figure 4 Schematic diagram of the internal structure of the inner filter cartridge of the present utility model;

[0023] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0024] In the figure: 1, equipment main body; 2, extension cylinder; 3, conduit; 4, rotating cylinder; 5, blower; 6, inner filter cartridge; 7, deflector; 8, storage box; 9, limiting mesh plate; 10, positioning cylinder; 11, rotating gear; 12, external gear; 13, fixed seat; 14, air duct; 15, partition board; 16, trapezoidal platform; 17, sealing ball; 18, positioning rod; 19, annular mesh plate; 20, positioning pin. Specific embodiments

[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the attached drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating the orientation or position relationship are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model.

[0027] Please refer to Figures 1-4 As shown, the present utility model is a membrane separation hydrogen production device, including: an equipment main body 1, an extension cylinder 2 and a conduit 3. The conduit 3 pre-filters the raw material gas through the extension cylinder 2 and then makes it enter the interior of the equipment main body 1;

[0028] Above the extension cylinder 2, there is a rotating cylinder 4 and a blower 5 on one side thereof. Inside the extension cylinder 2, there is an inner filter cartridge 6 for intercepting NH4Cl salt impurities and adsorbent pulverized particles and the filter material inside it. Inside the inner filter cartridge 6, there are multiple layers of deflectors 7 to form a hierarchical interception operation;

[0029] On one side above the extension cylinder 2, there is also an air duct 14, and a fixed seat 13 is arranged at its upper end to install the blower 5. Through this, a strong air flow is poured into the interior of the inner filter cartridge 6 to blow out the impurities and make them be received inside the storage box 8 on the inner side of the inner filter cartridge 6;

[0030] The present embodiment provides a membrane separation hydrogen extraction device that can pre-intercept salt impurities such as NH4Cl and adsorbent powdered particle impurities. The added extension cylinder 2 is used in conjunction with the inner filter cylinder 6 to grade and filter the raw gas to intercept impurities and prevent them from directly entering the interior of the equipment and causing clogging of the membrane core. At the same time, the inner filter cylinder 6 can be rotated and the impurities can be blown out and stored on the other side through the cleaning airflow to maintain a long-term impurity interception effect.

[0031] Among them, the upper and lower ends of the inner filter cartridge 6 are provided with limiting mesh plates 9, and the inner circumference of the inner filter cartridge 6 is evenly provided with multiple isolation plates 15 to divide different areas to facilitate the subsequent secondary separation and storage of impurities. By dividing the areas, impurities can be intercepted in one area while the impurities can be secondary separated and stored in the other area.

[0032] Among them, a rotating gear 11 is also provided above the extension cylinder 2, which is meshed with an external gear 12 on the outside of the rotating cylinder 4 to drive the inner filter cylinder 6 to rotate for secondary separation of impurities. A positioning pin 20 is provided on the inner side of the lower end of the external gear 12 and penetrates into the hole on the inner side of the upper end of the inner filter cylinder 6. After this arrangement, the inner filter cylinder 6 can be rotated to form an integrated pre-treatment operation of cyclic interception, secondary separation and storage.

[0033] The lower end of the conduit 3 is provided with a positioning tube 10, and a trapezoidal platform 16 and a sealing ball 17 are added to the inner side of the bottom thereof. The bottom of the positioning tube 10 is an elastic mechanism that can press against the surface of the limiting mesh plate 9 in real time to perform gas transmission operations.

[0034] Among them, the sealing ball 17 automatically moves up and presses against the lower end of the trapezoidal platform 16 to form a seal when it presses against the upper end of the isolation plate 15, and then automatically falls and contacts the seal when it leaves the isolation plate 15, so that the raw gas is directly poured into the interior of the inner filter cartridge 6, and the bottom structure of the air duct 14 is the same.

[0035] A positioning rod 18 is provided on the inner side of the lower end of the positioning cylinder 10 to press against the sealing ball 17 to control its maximum descending distance, thereby preventing the sealing ball 17 from falling off and affecting the subsequent use effect.

[0036] The inner side of the storage box 8 is provided with an annular mesh plate 19 , which is installed inside the inner side of the inner filter cartridge 6 and inside the connection port of the inner filter cartridge 6 .

[0037] It can be understood that the utility model can intercept salt impurities such as NH4Cl and adsorbent powdered particles in advance when the raw gas enters the equipment, and separate them for secondary storage, which can effectively prevent the membrane core from being blocked due to impurities directly entering the equipment, thereby improving the efficiency and quality of membrane separation hydrogen extraction.

[0038] A specific application of the operation process of this embodiment is as follows: When in use, first, the raw material gas is filled into the space between adjacent partition plates 15 inside the inner filter cylinder 6 by using the conduit 3 in cooperation with the positioning cylinder 10. At this time, the filter material between the three intercepts salt impurities such as NH4Cl and pulverized adsorbent particles, preventing them from directly entering the interior of the equipment main body 1, so as to ensure the normal use performance of the membrane core and extend its service life. At the same time, the rotating gear 11 can drive the inner filter cylinder 6 to rotate through the rotating cylinder 4, and then rotate the filter material intercepting salt impurities such as NH4Cl and pulverized adsorbent particles to a predetermined position. At this time, the blower 5 is used to apply wind and spray it into the interior of the inner filter cylinder 6 through the air duct 14, blowing out the impurities adsorbed by the filter material and passing through the annular mesh plate 19 under the guidance of the guide plate 7 and finally being received in the interior of the storage box 8. After this arrangement, the service time of the inner filter cylinder 6 can be greatly extended to adapt to the efficient membrane separation hydrogen production operation.

[0039] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A membrane separation hydrogen extraction device, characterized in that, include: The device body (1), the extension tube (2) and the conduit (3), wherein the conduit (3) passes through the extension tube (2) to filter the raw gas in advance and then allows the raw gas to enter the interior of the device body (1); A rotating cylinder (4) and a blower (5) are arranged above the extension cylinder (2). An inner filter cylinder (6) and filter material therein are arranged inside the extension cylinder (2) for intercepting NH4Cl salt impurities and adsorbent powder particles. A multi-layer guide plate (7) is arranged inside the inner filter cylinder (6) to form a graded interception operation. An air duct (14) is also provided on one side above the extension tube (2), and a fixing seat (13) is provided at the upper end thereof to install a blower (5), through which a strong airflow is injected into the interior of the inner filter tube (6) to blow out impurities and store them in a storage box (8) inside the inner filter tube (6).

2. The membrane separation hydrogen extraction device according to claim 1, wherein: The upper and lower ends of the inner filter cartridge (6) are both provided with limiting mesh plates (9), and the inner circumference of the inner filter cartridge (6) is evenly provided with a plurality of isolation plates (15) to divide different areas, so as to facilitate the subsequent secondary separation and storage of impurities.

3. The membrane separation hydrogen extraction device according to claim 1, wherein: A rotating gear (11) is also provided above the extension cylinder (2) and meshes with an external gear (12) on the outside of the rotating cylinder (4) to drive the inner filter cylinder (6) to rotate for secondary separation of impurities. A positioning pin (20) is provided on the inner side of the lower end of the external gear (12) and docks with the inner side of the upper end of the inner filter cylinder (6).

4. A membrane separation hydrogen extraction device according to claim 1, characterized in that: The lower end of the conduit (3) is provided with a positioning cylinder (10), and a trapezoidal platform (16) and a sealing ball (17) are additionally provided on the inner side of the bottom thereof.

5. The membrane separation hydrogen extraction device according to claim 4, wherein: The sealing ball (17) automatically moves upward to abut against the lower end of the trapezoidal platform (16) to form a seal when it abuts against the upper end of the isolation plate (15), and then automatically falls to contact the seal when it is separated from the isolation plate (15), so that the raw gas is directly injected into the interior of the inner filter cartridge (6).

6. The membrane separation hydrogen extraction device according to claim 4, wherein: The inner side of the lower end of the positioning cylinder (10) is also provided with a positioning rod (18) which abuts against the sealing ball (17) to control the maximum descending distance thereof.

7. The hydrogen separation device by membrane separation according to claim 1, characterized in that: The inner side of the storage box (8) is provided with an annular mesh plate (19), which is installed inside the inner side of the inner filter cartridge (6) and inside the connection port of the inner filter cartridge (6).

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