A rapid replacement device for adsorbent for air separation gas purification

Abstract

The utility model discloses a kind of adsorbent quick replacement device for air separation gas purification, including bottom plate, the upper surface of bottom plate is fixedly connected with four support legs, the top end of four The support legs are fixedly connected with adsorption tower in common, the inside of adsorption tower is fixedly connected with shunt mechanism, the outer surface of adsorption tower is fixedly communicated with feeding mechanism, the outer surface of adsorption tower is fixedly communicated with discharging mechanism, the top end of adsorption tower is fixedly communicated with purification gas outlet pipe.This device discharges old adsorbent through discharging mechanism, and feeding mechanism fills new adsorbent, significantly reduces working hour cost, saves the complex disassembly and assembly steps in traditional mode, relies on PLC controller to realize the automation control of air pressure booster pump, electric slip ring and each check valve etc., reduces manual intervention, reduces operation difficulty, avoids error or damage possibly caused by manual disassembly, through shunt hole, ensure that gas is evenly distributed in adsorption tower, and fully contact with adsorbent.

Description

Technical Field

[0001] This utility model relates to the field of air separation equipment technology, and in particular to a quick replacement device for adsorbent in air separation gas purification. Background Technology

[0002] Air separation equipment is used to separate and purify different gases in the air. It is mainly used to produce various gas products such as oxygen, nitrogen, hydrogen, and helium. These gases are widely used in many fields such as metallurgy, petroleum, chemical industry, and medicine, supporting industrial production and scientific research. Air separation equipment is usually composed of multiple components such as purifiers, compressors, and heat exchangers to achieve efficient gas separation and production. The gas purification stage relies on adsorbents to remove impurities such as moisture, carbon dioxide, and hydrocarbons from the raw gas to ensure the stable operation of the subsequent distillation system. As the usage time increases, the adsorbent will gradually become ineffective and needs to be replaced regularly.

[0003] Traditional replacement methods require complete disassembly of the flange connection structure at the top and bottom of the adsorption tower, and the disassembly and assembly steps alone are time-consuming. To address this issue, we propose a rapid adsorbent replacement device for air separation gas purification. Utility Model Content

[0004] The purpose of this invention is to provide a rapid adsorbent replacement device for air separation gas purification, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A quick-change device for adsorbent in air separation gas purification includes a base plate, four support legs fixedly connected to the upper surface of the base plate, an adsorption tower fixedly connected to the top of the four support legs, a flow diversion mechanism fixedly connected inside the adsorption tower, a feeding mechanism fixedly connected to the outer surface of the adsorption tower, a discharging mechanism fixedly connected to the outer surface of the adsorption tower, a purified gas outlet pipe fixedly connected to the top of the adsorption tower, a first one-way valve installed inside the purified gas outlet pipe, and a PLC controller fixedly installed on the upper surface of the base plate.

[0007] In a further embodiment, a gas pressure booster pump is fixedly installed on the upper surface of the base plate, and the output end of the gas booster pump is fixedly connected to a gas guide pipe.

[0008] In a further embodiment, the end of the gas guide pipe away from the gas booster pump passes through the adsorption tower and extends into the interior of the adsorption tower, and a second one-way valve is installed inside the gas guide pipe.

[0009] In a further embodiment, the diversion mechanism includes a diversion housing, the outer surface of which is fixedly provided with a plurality of diversion holes, and a third one-way valve is installed inside each of the diversion holes.

[0010] In a further embodiment, the feeding mechanism includes four support frames, the top of the four support frames are fixedly connected to a storage box, the inner outer surface of the storage box is fixedly connected to a plurality of distribution pipes, one end of each distribution pipe is fixedly connected to the interior of the adsorption tower, and a fourth one-way valve is installed inside each distribution pipe.

[0011] In a further embodiment, the discharge mechanism includes a shaped discharge pipe, an electric slip ring is slidably connected inside the shaped discharge pipe, and a control valve is installed inside the shaped discharge pipe.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This device discharges the old adsorbent through the discharge mechanism and fills it with new adsorbent through the feeding mechanism, significantly reducing labor costs and eliminating the complex disassembly and assembly steps of traditional methods. It relies on a PLC controller to realize the automated control of components such as the air pressure booster pump, electric slip ring, and various one-way valves, reducing manual intervention, lowering the difficulty of operation, and avoiding errors or damage that may be caused by manual disassembly and assembly. Through the diversion hole, it ensures that the gas is evenly distributed in the adsorption tower and fully contacts the adsorbent. It solves the problem that the flange connection structure at the top and bottom of the adsorption tower needs to be completely disassembled when replacing the adsorbent. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of a rapid adsorbent replacement device for air separation gas purification.

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the adsorption tower in a rapid adsorbent replacement device for air separation gas purification.

[0016] Figure 3 Quick replacement device for adsorbent in air separation gas purification Figure 2 Enlarged structural diagram at point A in the middle.

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the diversion shell in a rapid adsorbent replacement device for air separation gas purification.

[0018] In the diagram: 1. Base plate; 2. Support leg; 3. Adsorption tower; 4. Diversion mechanism; 5. Feeding mechanism; 6. Discharge mechanism; 7. Purified gas outlet pipe; 8. First check valve; 9. Gas booster pump; 10. Gas guide pipe; 11. Second check valve; 12. PLC controller; 41. Diversion housing; 42. Diversion orifice; 43. Third check valve; 51. Support frame; 52. Storage tank; 53. Distributor pipe; 54. Fourth check valve; 61. Irregularly shaped discharge pipe; 62. Electric slip ring; 63. Control valve. Detailed Implementation

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4In this utility model, a quick-change device for adsorbent in air separation gas purification includes a base plate 1. Four support legs 2 are fixedly connected to the upper surface of the base plate 1. An adsorption tower 3 is fixedly connected to the top of each of the four support legs 2. A flow-diverting mechanism 4 is fixedly connected inside the adsorption tower 3. A feeding mechanism 5 and a discharging mechanism 6 are fixedly connected to the outer surface of the adsorption tower 3. A purified gas outlet pipe 7 is fixedly connected to the top of the adsorption tower 3. A first one-way valve 8 is installed inside the purified gas outlet pipe 7. A PLC controller 12 and a gas booster pump 9 are fixedly installed on the upper surface of the base plate 1 for gas pressurization. The output end of pump 9 is fixedly connected to a gas guide pipe 10. The end of gas guide pipe 10 away from gas booster pump 9 passes through adsorption tower 3 and extends into the interior of adsorption tower 3. A second one-way valve 11 is installed inside gas guide pipe 10. Purified gas outlet pipe 7 is used to export the gas purified by adsorbent from adsorption tower 3 and transport it to subsequent processing or use. Gas booster pump 9 pressurizes the gas to avoid problems with gas flow obstruction. PLC controller 12 can preset programs and automatically control the operation of components such as gas booster pump, electric slip ring 62, various one-way valves, and control valve 63 to realize the automated operation of adsorbent replacement and improve replacement efficiency and accuracy.

[0023] The diversion mechanism 4 includes a diversion housing 41. Several diversion holes 42 are fixedly opened on the outer surface of the diversion housing 41. A third one-way valve 43 is installed inside each diversion hole 42. The diversion hole 42 is used to disperse the gas to be purified into different areas inside the adsorption tower 3. The third one-way valve 43 ensures that the gas can only flow from the diversion housing 41 into the adsorption tower 3 to prevent gas backflow.

[0024] The feeding mechanism 5 includes four support frames 51, and the top of the four support frames 51 is fixedly connected to a storage box 52. The inner and outer surfaces of the storage box 52 are fixedly connected to several distribution pipes 53. One end of each distribution pipe 53 is fixedly connected to the inside of the adsorption tower 3. A fourth one-way valve 54 is installed inside each distribution pipe 53. The distribution pipe 53 diverts the new adsorbent in the storage box 52 and delivers it to the inside of the adsorption tower 3, realizing simultaneous feeding at multiple points. The fourth one-way valve 54 prevents gas or adsorbent in the adsorption tower 3 from flowing back into the storage box 52.

[0025] The discharge mechanism 6 includes an irregularly shaped discharge pipe 61, an electric slip ring 62 is slidably connected inside the irregularly shaped discharge pipe 61, and a control valve 63 is installed inside the irregularly shaped discharge pipe 61. The electric slip ring 62 slides inside the irregularly shaped discharge pipe 61 to assist the rapid discharge of the old adsorbent. The control valve 63 maintains the sealing of the adsorption tower 3 when the adsorbent is not being replaced.

[0026] The working principle of this utility model is as follows:

[0027] In operation, first connect the extraction device to one end of the irregularly shaped discharge pipe 61, start the PLC controller, close the first one-way valve 8 of the purified gas outlet pipe 7 and the fourth one-way valve 54 of the feeding mechanism 5, and simultaneously open the control valve 63 of the discharge mechanism 6. Then, the electric slip ring 62 is controlled by the PLC controller 12 to slide inside the irregularly shaped discharge pipe 61, opening the channel of the irregularly shaped discharge pipe 61. At this time, the ineffective adsorbent in the adsorption tower 3 will enter the irregularly shaped discharge pipe 61 and eventually be discharged from the adsorption tower 3. When it is necessary to add new adsorbent to the adsorption tower 3, the control valve 63 of the discharge mechanism 6 is closed by the PLC controller 12, and the electric slip ring 62 is gradually moved away from the control valve 63, so that it moves away from the irregularly shaped discharge pipe. One end of 61 is sealed, then the sealing cover of the storage tank 52 is opened, and an appropriate amount of adsorbent is added inside. The storage tank 52 is then resealed. The adsorbent will be injected into the adsorption tower 3 simultaneously through several distribution pipes 53. The multi-pipe diversion design ensures that the new adsorbent is evenly distributed in the tower. After the new adsorbent is filled to the preset amount, the fourth one-way valve 54 of the feeding mechanism 5 is closed to complete the replacement process. The first one-way valve 8 is then opened. The purified gas is evenly dispersed through the diversion hole 42 of the diversion mechanism 4 and purified after contact with the adsorbent. It is then discharged from the purified gas outlet pipe 7. When the adsorption tower 3 is running, the gas booster pump 9 needs to be started through the PLC controller 12 to pressurize the gas and prevent the problem of unsmooth gas flow.

[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rapid adsorbent replacement device for air separation gas purification, characterized in that: Includes a base plate (1), on the upper surface of the base plate (1) are four support legs (2) fixedly connected, the top ends of the four support legs (2) are fixedly connected to an adsorption tower (3), the inside of the adsorption tower (3) is fixedly connected to a diversion mechanism (4), the outer surface of the adsorption tower (3) is fixedly connected to a feeding mechanism (5), the outer surface of the adsorption tower (3) is fixedly connected to a discharging mechanism (6), the top end of the adsorption tower (3) is fixedly connected to a purified gas outlet pipe (7), the inside of the purified gas outlet pipe (7) is equipped with a first one-way valve (8), and the upper surface of the base plate (1) is fixedly installed with a PLC controller (12).

2. The quick-change device for adsorbent in air separation gas purification according to claim 1, characterized in that: A gas booster pump (9) is fixedly installed on the upper surface of the base plate (1), and the output end of the gas booster pump (9) is fixedly connected to a gas guide pipe (10).

3. The quick-change device for adsorbent in air separation gas purification according to claim 2, characterized in that: The gas guide pipe (10) is located away from the gas booster pump (9). It passes through the adsorption tower (3) and extends into the interior of the adsorption tower (3). A second one-way valve (11) is installed inside the gas guide pipe (10).

4. The quick-change device for adsorbent in air separation gas purification according to claim 1, characterized in that: The diversion mechanism (4) includes a diversion housing (41), and a plurality of diversion holes (42) are fixedly opened on the outer surface of the diversion housing (41). A third one-way valve (43) is installed inside each diversion hole (42).

5. The quick-change device for adsorbent in air separation gas purification according to claim 1, characterized in that: The feeding mechanism (5) includes four support frames (51), and the top of the four support frames (51) is fixedly connected to a storage box (52). The inner outer surface of the storage box (52) is fixedly connected to several distribution pipes (53). One end of each distribution pipe (53) is fixedly connected to the inside of the adsorption tower (3), and a fourth one-way valve (54) is installed inside each distribution pipe (53).

6. The quick-change device for adsorbent in air separation gas purification according to claim 1, characterized in that: The discharge mechanism (6) includes a shaped discharge pipe (61), an electric slip ring (62) is slidably connected inside the shaped discharge pipe (61), and a control valve (63) is installed inside the shaped discharge pipe (61).

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