Adsorption cylinder of nitrogen making machine

Abstract

The utility model relates to an adsorption cylinder of a nitrogen making machine, which comprises a cylinder body, and an adsorption cavity, a regeneration cavity and a cooling cavity are sequentially arranged in the cylinder body from top to bottom; the adsorption cavity is filled with an adsorbent, and a first discharge hole extending into the regeneration cavity is formed in the bottom of the adsorption cavity; a heating unit is fixedly arranged on the inner wall of the regeneration cavity, a second discharging opening extending to the cooling cavity is formed in the bottom of the regeneration cavity, a cooling fan is connected to one side of the cooling cavity, an adsorbent recycling pipeline is connected to the other side of the cooling cavity, and the discharging end of the adsorbent recycling pipeline is communicated with the adsorption cavity; through cooperation of the structures, the adsorbent can be efficiently and conveniently supplemented, replaced and reused, meanwhile, the adsorbent can be regenerated and cooled during adsorption, operation is easy, and efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas preparation technical field especially is concerned with a nitrogen making machine adsorption cylinder. BACKGROUND

[0002] The nitrogen making machine adsorption cylinder is based on pressure swing adsorption technology, and carbon molecular sieve is used as an adsorbent to separate nitrogen from air. The adsorption capacity of carbon molecular sieve for nitrogen and oxygen is different. Oxygen molecules have a smaller diameter and a faster diffusion rate, and are easily adsorbed by carbon molecular sieve. Nitrogen molecules have a larger diameter and are not easily adsorbed, thereby enriching in the gas phase.

[0003] For example, a nitrogen making machine adsorption cylinder is disclosed in a Chinese utility model patent with application number CN202420186058.9. The bottom end of the adsorption cylinder is provided with a gas distribution support assembly, which includes an adsorption cylinder bottom cover. One side of the adsorption cylinder bottom cover is provided with a first stainless steel mesh. One side of the first stainless steel mesh is provided with a first compression ring. The first compression ring and the first stainless steel mesh are located inside the adsorption cylinder. The top end of the adsorption cylinder is provided with a spring compression assembly, which includes an adsorption cylinder top cover. One side of the adsorption cylinder top cover is provided with a second stainless steel mesh. One side of the second stainless steel mesh is provided with a second compression ring. One side of the second compression ring is provided with a gas distribution pressure plate. A spring is provided between the second compression ring and the gas distribution pressure plate. The second stainless steel mesh, the second compression ring, the spring, and the gas distribution pressure plate are located inside the adsorption cylinder. The gas distribution support assembly and the spring compression assembly of the adsorption cylinder are connected through a lead screw. The device can ensure that the adsorbent is densely packed, and the replacement of the adsorbent is more convenient. However, the device still needs manual disassembly of the equipment when replacing the adsorbent, which is time-consuming, labor-intensive, and low in efficiency.

[0004] Therefore, it is necessary to provide a new technical solution to overcome the above-mentioned defects. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a nitrogen making machine adsorption cylinder which can effectively solve the above-mentioned technical problems.

[0006] To achieve the purpose of the utility model, the following technical solutions are adopted:

[0007] A nitrogen making machine adsorption cylinder includes a cylinder body. An adsorption cavity, a regeneration cavity, and a cooling cavity are sequentially arranged in the cylinder body from top to bottom.

[0008] The adsorption cavity is filled with an adsorbent, and the bottom is provided with a first discharge port extending into the regeneration cavity.

[0009] A heating unit is fixed on the inner wall of the regeneration cavity. The bottom is provided with a second discharge port extending into the cooling cavity. One side of the cooling cavity is connected with a cooling fan, and the other side is connected with an adsorbent recovery pipeline. The discharge end of the adsorbent recovery pipeline is communicated with the adsorption cavity.

[0010] Further, the cooling cavity is slidably connected with a sieve plate.

[0011] Further, a sliding groove is formed on the inner side wall of the cooling cavity, and an annular sliding block is fixedly arranged on the outer circumferential wall of the sieve plate and slidably connected with the sliding groove.

[0012] Further, the bottom of the sieve plate is uniformly provided with a vibration assembly.

[0013] Further, the vibration assembly comprises:

[0014] a sliding sleeve, one end of which is fixedly connected with the sieve plate;

[0015] a sliding rod, one end of which is slidably connected with the sliding sleeve and the other end of which is fixedly connected with the inner side wall of the cooling cavity;

[0016] and a cylindrical spring, which is sleeved on the outer side of the sliding rod.

[0017] Compared with the prior art, the nitrogen generator adsorption cylinder has the following beneficial effects:

[0018] When in use, the nitrogen to be purified is introduced into the adsorption cavity through the gas inlet pipeline for adsorption and purification treatment,

[0019] After a period of time, the first electromagnetic valve is opened, part of the adsorbent enters the regeneration cavity through the first discharge port, the heating unit in the regeneration cavity is opened to heat the adsorbent, and the adsorbent is regenerated by desorption, the waste gas generated in the desorption process is discharged through the second gas outlet pipeline, and the regenerated adsorbent is introduced into the cooling cavity through the second discharge port for cooling, storage and reuse; during the regeneration of the adsorbent, the adsorbent is sent into the cooling cavity through the replenishment pipeline connected with the cooling cavity, and then the adsorbent is sent into the adsorption cavity through the adsorbent recovery pipeline; through the cooperation between the above structures, the adsorbent can be efficiently, conveniently and repeatedly replenished and replaced, and the adsorbent can be regenerated and cooled at the same time of adsorption, so that the operation is simple and the efficiency is high; in addition, through the cooperation of the vibration assembly and the sieve plate, the powder generated after the adsorbent is pulverized can be screened out in time, the adsorbent can be replenished and replaced, and the adsorption effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0021] Figure 1 a structural schematic view of the nitrogen generator adsorption cylinder provided by the present application;

[0022] Figure 2 a sectional view of the nitrogen generator adsorption cylinder provided by the present application;

[0023] Figure 3 For Figure 2 Enlarged view of part A.

[0024] Figure number description: 1, cylinder body; 2, adsorption cavity; 3, regeneration cavity; 4, cooling cavity; 5, adsorbent; 6, gas inlet pipeline; 7, first gas outlet pipeline; 8, first discharge port; 9, first electromagnetic valve; 10, heating unit; 11, second gas outlet pipeline; 12, second discharge port; 13, second electromagnetic valve; 14, adsorbent recovery pipeline; 15, tee joint; 16, sieve plate; 17, sliding sleeve; 18, sliding rod; 19, cylindrical spring. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will make a clear and complete description of the technical scheme in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments.

[0026] In the description of the present application, it should be understood that the terms "center", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application. When a component is referred to as "fixed" to another component, it can be directly on the other component or there can be a middle component. When a component is referred to as "connected" to another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as "provided on" another component, it can be directly provided on the other component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and the like used in this paper are only for illustrative purposes.

[0027] The following will make a clear and complete description of the present application to a nitrogen making machine adsorption cylinder.

[0028] As Figure 1 and Figure 2As shown, the utility model provides a kind of nitrogen generator adsorption cylinder, including cylinder 1, adsorption cavity 2, regeneration cavity 3 and cooling cavity 4 are sequentially arranged from top to bottom in cylinder 1. Specifically, adsorbent 5 is filled in adsorption cavity 2, one side is connected with air inlet pipeline 6, top is connected with first air outlet pipeline 7, bottom is provided with first discharge port 8 extending into the regeneration cavity 3, and first solenoid valve 9 is installed at first discharge port 8.

[0029] Heating unit 10 is installed on the inner side wall of the regeneration cavity 3, one side is connected with second air outlet pipeline 11, bottom is provided with second discharge port 12 extending into the cooling cavity 4, and second solenoid valve 13 is installed at second discharge port 12.

[0030] One side of the cooling cavity 4 is connected with three-way joint 15, and the three-way joint 15 is connected with material supplementing pipe and cooling fan; the other side is connected with adsorbent recovery pipeline 14, the discharge end of the adsorbent recovery pipeline 14 is communicated with the adsorption cavity 2, and the adsorbent recovery pipeline 14 comprises a recovery pipeline and a negative pressure fan arranged on the pipeline.

[0031] When using, the nitrogen to be purified is introduced into the adsorption cavity 2 through the air inlet pipeline 6 for adsorption purification treatment, after a period of time, the first solenoid valve 9 is opened, part of the adsorbent 5 enters the regeneration cavity 3 through the first discharge port 8, the heating unit 10 in the regeneration cavity 3 is opened to heat the adsorbent 5, and the adsorbent 5 is regenerated, the waste gas generated in the desorption process is discharged through the second air outlet pipeline 11, and the regenerated adsorbent 5 enters the cooling cavity 4 for cooling and preservation and reuse through the second discharge port 12; during the regeneration of the adsorbent 5, the adsorbent 5 is sent into the cooling cavity 4 through the material supplementing pipe connected with the cooling cavity 4, and then the adsorbent 5 is sent into the adsorption cavity 2 through the adsorbent recovery pipeline 14; through the cooperation between the above structures, the adsorbent 5 can be efficiently and conveniently supplemented, replaced and reused, and the adsorbent 5 can be regenerated and cooled at the same time of adsorption, so that the operation is simple and the efficiency is high.

[0032] In addition, in the embodiment, as shown in Figure 2 and Figure 3 As shown, a sieve plate 16 is also slidably connected in the cooling cavity 4, and a third discharge port is connected at the bottom thereof. Specifically, a sliding groove is formed in the inner side wall of the cooling cavity 4, an annular sliding block is installed on the outer circumferential wall of the sieve plate 16, and the annular sliding block is slidably connected with the sliding groove. At the same time, vibration assemblies are uniformly arranged at the bottom of the sieve plate 16; the vibration assembly comprises a sliding sleeve 17, a sliding rod 18 and a cylindrical spring 19; one end of the sliding sleeve 17 is fixedly connected with the sieve plate 16, the other end is slidably sleeved on one end of the sliding rod 18, the other end of the sliding rod 18 is fixedly connected with the inner side wall of the cooling cavity 4 body, and the cylindrical spring 19 is sleeved on the outer side of the sliding rod 18.

[0033] When the regenerated adsorbent 5 enters the cooling cavity 4 through the second discharge port 12, the sieve plate 16 will vibrate under the action of the adsorbent 5, so that the powder generated by pulverizing the adsorbent 5 can be sieved out, so as to ensure the adsorption effect.

[0034] 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 machinery, parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0035] Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the utility model.

Claims

1. A nitrogen generator adsorption cylinder, characterized by: It comprises a cylinder, wherein an adsorption chamber, a regeneration chamber and a cooling chamber are sequentially arranged in the cylinder from top to bottom; The adsorption chamber is filled with an adsorbent, and a first discharge port extending into the regeneration chamber is provided at the bottom thereof; A heating unit is fixedly provided on the inner wall of the regeneration chamber, and a second discharge port extending to the cooling chamber is provided at the bottom thereof. A cooling fan is connected to one side of the cooling chamber, and an adsorbent recovery pipeline is connected to the other side. The discharge end of the adsorbent recovery pipeline is connected to the adsorption chamber.

2. The nitrogen generator adsorption cylinder according to claim 1, characterized in that: A screen plate is slidably connected in the cooling cavity.

3. The nitrogen generator adsorption cylinder according to claim 2, characterized in that: A sliding groove is provided on the inner side wall of the cooling cavity, and an annular sliding block is fixedly provided on the outer circumferential wall of the sieve plate. The annular sliding block is slidably connected to the sliding groove.

4. The nitrogen generator adsorption cylinder according to claim 3, characterized in that: Vibration components are evenly distributed on the bottom of the sieve plate.

5. The nitrogen generator adsorption cylinder according to claim 4, characterized in that: The vibration component includes: a sliding sleeve, one end of which is fixedly connected to the sieve plate; a sliding rod, one end of which is slidably connected to the sliding sleeve and the other end of which is fixedly connected to the inner wall of the cooling cavity; And a cylindrical spring is sleeved on the outer side of the sliding rod.

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