Pressure swing adsorption nitrogen making machine

By designing a detachable adsorption tank and collection tank structure in the pressure swing adsorption nitrogen generator, the problems of decreased nitrogen production efficiency and increased dust content caused by the pulverization of carbon molecular sieves are solved, achieving efficient molecular sieve management and reducing processing costs.

CN223453987UActive Publication Date: 2025-10-21JIANGSU XINRUI EQUIPMENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422956122.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-10-21
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

After the nitrogen generator has been working for a period of time, the carbon molecular sieve will pulverize, resulting in a decrease in nitrogen production efficiency and an increase in nitrogen dust content, which will increase subsequent processing costs.

Method used

A pressure swing adsorption nitrogen generator is designed, which adopts a detachable adsorption tank structure, equipped with a drive part and a collection tank. The drive part drives the adsorption tank to move, so that the powdered molecular sieve falls into the collection tank. The molecular sieve residue is observed through the observation window, and the molecular sieve is added or replaced in time.

Benefits of technology

It effectively reduces the dust content in nitrogen, ensures nitrogen production efficiency, reduces the frequency of molecular sieve replacement, is easy to use, and reduces subsequent processing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a pressure swing adsorption nitrogen making machine which comprises an adsorption tank body and a fixed seat, the adsorption tank body is connected with the fixed seat in a sliding manner; the adsorption tank body is composed of a cover plate, an adsorption cylinder and a bottom cover, and the cover plate and the bottom cover are detachably connected with the adsorption cylinder; the bottom cover is located at the bottom of the adsorption barrel, a collecting groove is formed in the bottom cover, a filter screen is fixedly arranged at a groove opening of the collecting groove, and the diameter of the filter screen is smaller than that of the molecular sieve; a driving part is fixedly arranged on the surface of the fixed seat and drives the adsorption tank body to move; according to the utility model, the molecular sieve does not need to be replaced frequently, the use is convenient, the pulverized molecular sieve is screened out in time, the dust content in nitrogen can be effectively reduced, and the subsequent treatment is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making equipment technical field especially is involved in a kind of pressure swing adsorption nitrogen making machine. BACKGROUND

[0002] Nitrogen making machine usually uses pressure swing adsorption technology (PSA), uses high-quality imported carbon molecular sieve as adsorbent, separates oxygen and nitrogen in air by pressurized adsorption and decompression regeneration at normal temperature, to obtain high-purity nitrogen. Usually use two adsorption towers in parallel, by import PLC control import pneumatic valve automatic operation, alternately pressurized adsorption and decompression regeneration, complete nitrogen-oxygen separation.

[0003] After nitrogen making machine works for a period of time, the carbon molecular sieve in its interior will be pulverized, not only can affect nitrogen making efficiency, but also can cause high dust content in nitrogen, increase subsequent processing cost.

[0004] Therefore, it is necessary to provide a new technical scheme to overcome the above defects. INVENTION CONTENTS

[0005] The utility model is to provide a kind of pressure swing adsorption nitrogen making machine that can effectively solve the above technical problems.

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

[0007] A kind of pressure swing adsorption nitrogen making machine, including adsorption tank body and fixed seat;The adsorption tank body is slidably connected with the fixed seat;

[0008] The adsorption tank body is composed of cover plate, adsorption cylinder and bottom cover, the cover plate and bottom cover are detachably connected with the adsorption cylinder;The bottom cover is located at the bottom of the adsorption cylinder, a collection groove is formed in the inside, a filter screen is fixed at the groove opening of the collection groove, and the diameter of the filter screen is smaller than the diameter of the molecular sieve;

[0009] The surface of the fixed seat is fixed with a driving element, and the adsorption tank body is driven to move.

[0010] Further, the bottom of the bottom cover is fixed with a moving frame, and the surface of the fixed seat is provided with a moving groove, and the moving frame is slidably connected in the moving groove.

[0011] Further, the surface of the moving frame is fixed with a gantry on both sides of the moving groove, one of the gantries is fixed with the driving element at the top, and the other gantry is provided with a telescopic rod at the top, and the driving element and the telescopic rod are connected with the adsorption cylinder.

[0012] Further, the driving element is an electric telescopic rod.

[0013] Further, one side of the adsorption cylinder is provided with an observation window.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The driving member is started to drive the adsorption tank body to move left and right after working for a period of time, so that the pulverized molecular sieve falls into the collecting groove, the pulverized molecular sieve is collected, the amount of the molecular sieve is observed through the observation window, the molecular sieve is added in time, the nitrogen production efficiency is ensured, the molecular sieve does not need to be frequently replaced, the device is convenient to use, the pulverized molecular sieve is screened out in time, the dust content in the nitrogen gas can be effectively reduced, and the subsequent treatment is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description.

[0017] Figure 1 A structural schematic view of a pressure swing adsorption nitrogen making machine is provided in the present application.

[0018] Figure 2 A sectional view of a pressure swing adsorption nitrogen making machine is provided in the present application.

[0019] Number explanation in the figure: 1, fixed seat; 2, cover plate; 3, adsorption cylinder; 4, bottom cover; 5, collecting groove; 6, filter screen; 7, moving frame; 8, moving groove; 9, gantry frame; 10, driving member; 11, telescopic rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will clearly and completely describe 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.

[0021] In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention. When a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centered component at the same time. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a centered component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] The following is a clear and complete description of the pressure swing adsorption nitrogen generator of the present invention in conjunction with the accompanying drawings.

[0023] like Figure 1 and Figure 2 As shown, the utility model provides a pressure swing adsorption nitrogen generator, which includes an adsorption tank body and a fixing seat 1, and the adsorption tank body is slidably connected to the fixing seat 1.

[0024] Specifically, the adsorption tank body is composed of a cover plate 2, an adsorption cylinder 3 and a bottom cover 4. The cover plate 2 and the bottom cover 4 are detachably connected to the adsorption cylinder 3, and the detachable connection method can be selected from threaded connection or flange connection; the cover plate 2 is installed on the top of the adsorption cylinder 3 and can be opened to add or replace the molecular sieve; the bottom cover 4 is located at the bottom of the adsorption cylinder 3, and a collection tank 5 is provided inside it. A filter screen 6 is installed at the notch of the collection tank 5, and the diameter of the filter screen 6 is smaller than the diameter of the molecular sieve. The collection tank 5 is used to collect powdered molecular sieve; an observation window is provided on one side of the adsorption cylinder 3, through which the molecular sieve in the adsorption cylinder 3 can be observed so that the molecular sieve can be added or replaced in time.

[0025] A driving member 10 is fixedly provided on the surface of the fixing seat 1 , which is drivingly connected to the adsorption cylinder 3 and is used to drive the adsorption tank to move, so that the powdered molecular sieve falls into the collecting tank 5 .

[0026] Specifically, in the embodiment, the mobile frame 7 is installed at the bottom of the base, the surface of the fixed seat 1 is provided with a mobile groove 8, and the mobile frame 7 is slidably connected in the mobile groove 8; meanwhile, the gantry 9 is installed on the surface of the mobile frame 7 and located on both sides of the mobile groove 8, one top of the gantry 9 is provided with the driving part 10, and the other top of the gantry 9 is provided with the telescopic rod 11, and the driving part 10 and the telescopic rod 11 are connected with the adsorption cylinder 3; the driving part 10 is an electric telescopic rod.

[0027] After the nitrogen making machine works for a period of time, the driving part 10 is started to drive the adsorption cylinder to move left and right, so that the pulverized molecular sieve falls into the collecting groove 5, the pulverized molecular sieve is collected, the remaining amount of the molecular sieve is observed through the observation window, the molecular sieve is added in time, and the nitrogen making efficiency is ensured; the device does not need to frequently replace the molecular sieve, is convenient to use, can effectively reduce the dust content in the nitrogen, and is favorable for subsequent treatment.

[0028] 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 bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models 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.

[0029] Various modifications to these embodiments will be apparent to those of ordinary skill in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application.

Claims

1. A pressure swing adsorption nitrogen generator, characterized in that: Including adsorption tank body and fixed seat, the adsorption tank body is connected with the fixed seat slidingly, The adsorption tank body is composed of cover plate, adsorption cylinder and bottom cover, the cover plate and bottom cover are detachably connected with the adsorption cylinder, the bottom cover is located at the bottom of the adsorption cylinder, a collecting groove is arranged in the bottom cover, a filter screen is fixedly arranged at the groove opening of the collecting groove, and the diameter of the filter screen is smaller than that of the molecular sieve; The surface of the fixed seat is fixedly provided with a driving member for driving the adsorption tank body to move.

2. The pressure swing adsorption nitrogen generator of claim 1, wherein: The bottom of the bottom cover is fixedly provided with a moving frame, and the surface of the fixed seat is provided with a moving groove, and the moving frame is slidingly connected in the moving groove.

3. The pressure swing adsorption nitrogen generator of claim 2, wherein: The surfaces of the moving frame are fixedly provided with gantry frames on both sides of the moving groove, the top of one of the gantry frames is fixedly provided with the driving member, the top of the other gantry frame is provided with a telescopic rod, and the driving member and the telescopic rod are connected with the adsorption cylinder.

4. The pressure swing adsorption nitrogen generator of claim 3, wherein: The driving member is an electric telescopic rod.

5. A pressure swing adsorption nitrogen generator as claimed in claim 4, characterized in that: An observation window is arranged on one side of the adsorption cylinder.