Easy-to-adjust pressure tower device of VPSA (Vacuum Pressure Swing Adsorption) oxygen production adsorption tower

Abstract

The utility model discloses an easy-to-adjust pressure tower device of a VPSA (Vacuum Pressure Swing Adsorption) oxygen production adsorption tower. The easy-to-adjust pressure tower device comprises a tower body, a movable plate arranged in the tower body and a hollow plate nested and attached to the inner side of the left lower end of the tower body, a pressure regulating structure is arranged outside the movable plate, the pressure regulating structure comprises a first electromagnetic valve, an external connecting pipe, an electric telescopic rod, a limiting sleeve, a limiting rod and a sealing ring, and the first electromagnetic valve is fixedly mounted on the inner side of the upper end of the tower body; a pressure control structure is arranged on the inner side of the left end of the tower body and the inner side of the left end of the movable plate. The pressure control structure comprises a pressure sensor, a displayer, a controller and a second electromagnetic valve. According to the easily-adjusted pressure tower device of the VPSA oxygen production adsorption tower, the pressure tower device can conveniently adjust the pressure of the adsorption tower, sealing is conveniently guaranteed, pressure sensing regulation and control are convenient, the purpose of accurately adjusting the pressure of the adsorption tower is achieved, pressure-adjusted air is conveniently purified, the influence of pressure adjustment on the adsorption tower is avoided, and an activated carbon purification plate is conveniently replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to VPSA oxygen production technical field, specifically be easy to adjust's VPSA oxygen production adsorption tower pressure tower device. BACKGROUND

[0002] Vacuum pressure swing adsorption (VPSA) oxygen generator is a kind of machine using lithium molecular sieve selective adsorption nitrogen in air, let oxygen gather in the top of adsorption tower as product gas output, whole process contains at least adsorption (low pressure) and desorption (vacuum i.e. negative pressure) two steps, and cyclically repeated operation, wherein adsorption system is composed of two adsorption towers and pipeline valves etc. with zeolite molecular sieve adsorbent, needs to be regulated by pressure tower device in use.

[0003] But existing VPSA oxygen production adsorption tower pressure tower device, in the use process, generally inconveniently feel pressure control pressure, difficult to accurately control the pressure of adsorption tower, and easy to affect the adsorption effect of adsorption tower, therefore, we propose easy to adjust's VPSA oxygen production adsorption tower pressure tower device to facilitate the problems raised in the above. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing easy to adjust's VPSA oxygen production adsorption tower pressure tower device to solve the problems that existing VPSA oxygen production adsorption tower pressure tower device is inconvenient to feel pressure control pressure, difficult to accurately control the pressure of adsorption tower in the use process, and easy to affect the adsorption effect of adsorption tower in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: easy to adjust's VPSA oxygen production adsorption tower pressure tower device, include: tower body and the movable plate of setting in the tower body and the hollow plate of nesting and pasting in the left lower end inner side of tower body;

[0006] Further include:

[0007] The movable plate is provided with pressure regulating structure, wherein the pressure regulating structure includes first solenoid valve, external pipe, electric telescopic rod, limit sleeve, limit rod and sealing ring, and the first solenoid valve is fixedly installed on the inner side of the upper end of tower body;

[0008] The left end inner side of the tower body and movable plate is provided with pressure control structure, wherein the pressure control structure includes pressure sensor, display, controller and second solenoid valve, and the pressure sensor is inlaidly installed on the inner side of the upper end of movable plate;

[0009] The second solenoid valve is provided with purification structure below, wherein the purification structure includes activated carbon purification plate and bearing plate, and the activated carbon purification plate is pasted below the second solenoid valve.

[0010] Preferably, the first electromagnetic valve is externally threaded connected with an external pipe communicated with the tower body, and rubber strips are fixedly attached to the front and rear ends of the hollow plate and are buckled to the tower body.

[0011] Preferably, the electric telescopic rod is fixedly installed below the movable plate, a limiting sleeve is nested and attached to the outer side of the lower end of the electric telescopic rod and is fixedly connected with the tower body, a limiting rod is arranged on the right side of the limiting sleeve and is fixedly connected with the tower body, and the limiting rod penetrates into the movable plate.

[0012] Preferably, the inner side and the outer side of the movable plate are fixedly connected with sealing rings, and the inner side and the outer side of the sealing ring are tightly attached to the tower body and the limiting rod, respectively.

[0013] Preferably, the display and the controller are inlaidly installed on the inner side of the lower left end of the tower body, a battery is arranged on the right upper side of the display, and the battery is fixedly connected with the tower body through a hoop and a screw.

[0014] Preferably, the second electromagnetic valve is fixedly installed on the inner side of the left end of the movable plate, a bearing plate is fixedly connected with the movable plate and is nested and attached to the activated carbon purification plate, and the bearing plate is in a "U" shape.

[0015] Compared with the prior art, the beneficial effects of the VPSA oxygen adsorption tower pressure tower device easy to adjust are as follows: the pressure tower device is convenient for adjusting the pressure of the adsorption tower, is convenient for ensuring sealing, is convenient for pressure sensing control, achieves the purpose of accurately adjusting the pressure of the adsorption tower, is convenient for purifying and regulating air, avoids the influence of pressure regulation on the adsorption tower, and is convenient for replacing the activated carbon purification plate.

[0016] 1. The tower body, the first electromagnetic valve, the external pipe and the movable plate are arranged, the first electromagnetic valve is fixedly connected with the external pipe and is externally threaded connected with the tower body, the electric telescopic rod is installed on the inner side of the lower end of the tower body and is limited by the limiting sleeve, the movable plate is fixedly connected with the electric telescopic rod, the limiting rod is arranged on the inner side of the right end of the movable plate and is fixed with the tower body, the sealing rings are fixedly attached to the inner side and the outer side of the movable plate and are tightly attached to the tower body and the limiting rod, respectively, so that the pressure tower device is convenient for adjusting the pressure of the adsorption tower and is convenient for ensuring sealing.

[0017] 2. The movable plate, the pressure sensor, the display and the controller are arranged, the pressure sensor and the second electromagnetic valve are fixedly installed on the inner side of the upper end and the inner side of the left end of the movable plate, respectively, and the display and the controller are inlaidly installed on the inner side of the lower left end of the tower body, so that the pressure sensing control is convenient, and the purpose of accurately adjusting the pressure of the adsorption tower is achieved.

[0018] 3. The utility model discloses a movable plate, second electromagnetic valve, activated carbon purification plate and bearing plate are provided with, because the activated carbon purification plate is pasted below the second electromagnetic valve, the activated carbon purification plate is nested and pasted with the bearing plate fixed with the movable plate, and the hollow plate is nested and pasted in the left lower end inboard of tower body, the rubber strip is pasted and fixed with the tower body buckle and is pasted with the hollow plate, so it is convenient for purifying pressure regulating air, avoids the influence of pressure regulating to adsorption tower, and it is convenient to replace activated carbon purification plate. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view section structure schematic diagram of the utility model;

[0020] Figure 2 It is the front view three-dimensional structure schematic diagram of the utility model;

[0021] Figure 3 It is the utility model movable plate and tower body connection overhead section structure schematic diagram;

[0022] Figure 4 It is the utility model battery and tower body connection overhead structure schematic diagram;

[0023] Figure 5 It is the utility model bearing plate and movable plate connection side view three-dimensional structure schematic diagram.

[0024] In the drawing: 1, tower body;2, first electromagnetic valve;3, external connection pipe;4, movable plate;5, electric telescopic rod;6, limit sleeve;7, limit rod;8, sealing ring;9, pressure sensor;10, display;11, controller;12, battery;13, second electromagnetic valve;14, activated carbon purification plate;15, bearing plate;16, hollow plate;17, rubber strip. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-5The utility model provides a technical scheme: an easy to adjust VPSA oxygen production adsorption tower pressure tower device, including tower body 1, first electromagnetic valve 2, external connection pipe 3, movable plate 4, electric telescopic handle 5, limit sleeve 6, limit rod 7, sealing ring 8, pressure sensor 9, display 10, controller 11, battery 12, second electromagnetic valve 13, activated carbon purification plate 14, bearing plate 15, hollow plate 16 and rubber strip 17, the movable plate 4 of setting in the tower body 1 and the hollow plate 16 of nesting and adhering in the left lower end inboard of tower body 1, the movable plate 4 outside is provided with pressure regulating structure, wherein the pressure regulating structure includes first electromagnetic valve 2, external connection pipe 3, electric telescopic handle 5, limit sleeve 6, limit rod 7 and sealing ring 8, and first electromagnetic valve 2 is fixedly installed in the upper end inboard of tower body 1, and the left end inboard of tower body 1 and movable plate 4 is provided with pressure control structure, wherein the pressure control structure includes pressure sensor 9, display 10, controller 11 and second electromagnetic valve 13, and pressure sensor 9 is inlaidly installed in the upper end middle part inboard of movable plate 4, and second electromagnetic valve 13 is provided with purification structure below, wherein the purification structure includes activated carbon purification plate 14 and bearing plate 15, and activated carbon purification plate 14 is adhered to second electromagnetic valve 13 below. Specific embodiment one

[0028] In order to solve the problem that it is inconvenient to sense and control pressure, and it is difficult to accurately control the pressure of the adsorption tower in the prior art, therefore, the embodiment is solved through the following technical scheme, such as Figure 1 、 Figure 3 、 Figure 4 and Figure 5 , first, the battery 12 fixed by the hoop and screw on the left lower end upper side of the tower body 1 can supply power to other electrical elements in the device, then according to the pressure requirement of the adsorption tower, the controller 11 inlaidly installed on the left lower end inboard of the tower body 1 can control the first electromagnetic valve 2 fixedly installed on the tower body 1 to work, so that the external connection pipe 3 screw-connected outside the first electromagnetic valve 2 is connected with the tower body 1, then the electric telescopic handle 5 nested and limited by the limit sleeve 6 on the upper side of the middle part of the lower end of the tower body 1 can be controlled by the controller 11 to work, since the electric telescopic handle 5 is fixedly connected with the movable plate 4 located in the tower body 1, the right end inboard of the movable plate 4 penetrates the limit rod 7 fixed with the tower body 1, and the inboard of the movable plate 4 is pasted and fixed with the sealing ring 8 closely adhered with the limit rod 7, and the outboard of the movable plate 4 is pasted and fixed with the sealing ring 8 closely adhered with the tower body 1, therefore, through the work of the electric telescopic handle 5, the movable plate 4 can be lifted and lowered under the limitation of the limit rod 7 and the sealing of the sealing ring 8, the pressure of the upper end inboard of the tower body 1 is adjusted, so as to conveniently achieve the purpose that the pressure tower device adjusts the pressure of the adsorption tower through the external connection pipe 3.

[0029] And in the adjustment process, the pressure sensor 9 embedded and installed in the middle of the upper end of the movable plate 4 and the display 10 embedded and installed in the lower left end of the tower body 1 can be cooperated by the controller 11 to sense and display the pressure respectively, so as to control the pressure, accurately adjust the pressure of the adsorption tower, and in the process of using the pressure tower device, the first electromagnetic valve 2 can be operated by the controller 11 to disconnect the communication between the external pipe 3 and the tower body 1, and then the second electromagnetic valve 13 fixedly installed in the left end of the movable plate 4 can be operated by the controller 11 to make the air enter the upper end of the tower body 1 through the second electromagnetic valve 13, control the pressure of the upper end of the tower body 1, so as to adjust the pressure again later. Embodiment two

[0031] In order to solve the problem that the adsorption effect of the adsorption tower is easily affected in the prior art, the technical scheme is as follows, Figure 1 , Figure 2 , Figure 4 and Figure 5 In the process of using the pressure tower device, the active carbon purification plate 14 is arranged below the second electromagnetic valve 13, the bearing plate 15 is fixedly connected below the second electromagnetic valve 13 and nests with the active carbon purification plate 14, so that the active carbon purification plate 14 supported by the bearing plate 15 can purify the air for pressure adjustment, avoid the influence of the air for pressure adjustment on the adsorption tower, and after the pressure tower device is used for a long time, the hollow plate 16 nested and pasted in the lower left end of the tower body 1 can be pulled out, the rubber strip 17 pasted and fixed on the hollow plate 16 is disconnected from the buckle pasting connection with the tower body 1, and then the electric telescopic rod 5 can be operated by the controller 11 to make the movable plate 4 descend, so as to take out the active carbon purification plate 14 supported and limited by the bearing plate 15 on the lower side of the left end of the movable plate 4 for replacement. The electrical elements contained in the above are prior art, and will not be described in detail here.

[0032] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art, the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and will not be described in detail here. The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0033] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An easily adjustable VPSA oxygen adsorber column pressure letdown device comprising: The tower body (1) and the movable plate (4) arranged in the tower body (1) and the hollow plate (16) nested and attached to the inner side of the lower left end of the tower body (1); It is characterized in that further comprising: The movable plate (4) is provided with a pressure regulating structure, wherein the pressure regulating structure comprises a first electromagnetic valve (2), an external pipe (3), an electric telescopic rod (5), a limiting sleeve (6), a limiting rod (7) and a sealing ring (8), and the first electromagnetic valve (2) is fixedly installed on the inner side of the upper end of the tower body (1); The left end of the tower body (1) and the movable plate (4) is provided with a pressure control structure, wherein the pressure control structure comprises a pressure sensor (9), a display (10), a controller (11) and a second electromagnetic valve (13), and the pressure sensor (9) is inlaidly installed on the inner side of the upper end of the movable plate (4); The second electromagnetic valve (13) is provided with a purification structure below, wherein the purification structure comprises an activated carbon purification plate (14) and a bearing plate (15), and the activated carbon purification plate (14) is attached to the second electromagnetic valve (13).

2. An easily adjustable VPSA oxygen producing adsorption column pressure letdown device as claimed in claim 1, wherein: The first electromagnetic valve (2) is externally threadedly connected with the external pipe (3) communicated with the tower body (1), and the front and rear ends of the hollow plate (16) are fixedly attached with rubber strips (17) buckled and attached to the tower body (1).

3. An easily adjustable VPSA oxygen producing adsorption column pressure letdown device as claimed in claim 1, wherein: The electric telescopic rod (5) is fixedly installed below the movable plate (4), the limiting sleeve (6) fixedly connected with the tower body (1) is nested and attached to the outer side of the lower end of the electric telescopic rod (5), the limiting rod (7) fixedly connected with the tower body (1) is arranged on the right side of the limiting sleeve (6), and the limiting rod (7) penetrates into the movable plate (4).

4. An easily adjustable VPSA oxygen producing adsorption column pressure letdown device as claimed in claim 1, wherein: The inner side and the outer side of the movable plate (4) are fixedly attached with the sealing ring (8), and the inner and outer sides of the single sealing ring (8) are tightly attached with the limiting rod (7) and the tower body (1), respectively.

5. An easily adjustable VPSA oxygen producing adsorption column pressure letdown device as claimed in claim 1, wherein: The display (10) and the controller (11) are inlaidly installed on the inner side of the lower left end of the tower body (1), the right upper side of the display (10) is provided with a battery (12), and the battery (12) is fixedly connected with the tower body (1) through a hoop and a screw.

6. An easily adjustable VPSA oxygen producing adsorption column pressure letdown device as defined in claim 1, wherein: The second electromagnetic valve (13) is fixedly installed on the inner side of the left end of the movable plate (4), the bearing plate (15) nested and attached with the activated carbon purification plate (14) is fixedly connected below the movable plate (4), and the bearing plate (15) is in a "U" shape structure.

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