Adsorption device for nitrogen making machine

Abstract

The utility model discloses an adsorption device for a nitrogen making machine, and relates to the technical field of the adsorption device for the nitrogen making machine, the adsorption device comprises a supporting seat, the nitrogen making machine is arranged on the supporting seat, an air inlet is arranged on the end face of one side of the nitrogen making machine, an exhaust port is arranged below the air inlet, a compressor is arranged on one side of the nitrogen making machine, and the nitrogen making machine is connected with the compressor. An air dryer is arranged on one side of the compressor, an air refrigerator is arranged on one side of the air dryer, air delivery pipes are installed among the nitrogen making machine, the compressor, the air dryer and the air refrigerator, a moisture absorption core is arranged in the air dryer, an adsorption tank is arranged in the nitrogen making machine, and a water storage tank is arranged in the adsorption tank. A top cover is arranged at the top of the adsorption tank, limiting frames are arranged on the end faces of the two sides of the adsorption tank, and the problems that in the prior art, an adsorption device is lack of an air purification structure, raw material air contains excessive moisture, oil stains or impurities, and the purity and yield of nitrogen are possibly affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of adsorption device for nitrogen making machine, specifically to adsorption device for nitrogen making machine. BACKGROUND

[0002] The nitrogen making machine is the equipment that oxygen and nitrogen are separated from air by physical method, the nitrogen making machine is divided into three kinds according to different classification methods, namely cryogenic air separation method, molecular sieve air separation method and membrane air separation method, the nitrogen making machine is important industrial production equipment, and the adsorption device is the core component of the nitrogen making machine.

[0003] For example, the Chinese authorized patent (adsorption device for nitrogen making machine) with the announcement number CN217287803U includes a main body and a detection cylinder, the outer wall of the main body is penetrated and is installed with the detection cylinder, the inner wall of the detection cylinder is installed with a fixed plate, the outer wall of the fixed plate is penetrated and is installed with a rotating rod, the inner wall of the main body is installed with a fixed block, the inner wall of the main body is installed with a gas permeable plate, and the bottom of the main body is installed with an air inlet pipe.The utility model discloses a detection cylinder can be installed to detect the flow rate, when the flow rate is detected, the nitrogen flow drives the blade to rotate, the blade drives the rotating rod to rotate, the shielding sleeve shields the infrared signal, the infrared emitter and the infrared receiver are started, when the fixed tube rotates to the vertical position, the infrared signal is transmitted through the fixed tube, so that the infrared receiver receives the signal, the fixed tube rotates a circle, the infrared receiver receives twice signal, and the frequency of receiving signal through the infrared receiver can be obtained through conversion, that is, the current nitrogen flow rate.

[0004] However, the adsorption device in the prior art lacks an air evolution structure, too much moisture, oil stains or impurities in the raw material air may affect the purity and yield of nitrogen, therefore, it does not meet the existing demand, and the adsorption device for nitrogen making machine is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an adsorption device for nitrogen making machine to solve the problem that the adsorption device in the prior art lacks an air evolution structure, too much moisture, oil stains or impurities in the raw material air may affect the purity and yield of nitrogen.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: An adsorption device for nitrogen making machine, including support seat, the support seat is provided with nitrogen making machine, one side end face of the nitrogen making machine is provided with air inlet, the air inlet below is provided with exhaust port, one side of the nitrogen making machine is provided with compressor, one side of the compressor is provided with air dryer, one side of the air dryer is provided with air refrigeration ware, the nitrogen making machine, compressor, air dryer and air refrigeration ware all are installed with gas pipe.

[0007] Preferably, the air dryer is internally provided with a moisture absorbing core, and the nitrogen making machine is internally provided with an adsorption tank.

[0008] Preferably, the top of the adsorption tank is provided with a top cover, and the two side end faces of the adsorption tank are both provided with a limiting frame.

[0009] Preferably, the adsorption tank is internally provided with a filter core, and the filter core is internally provided with a rotating cylinder.

[0010] Preferably, one side of the rotating cylinder is provided with a communication port, and the communication port is penetratingly arranged in the interior of the filter core.

[0011] Preferably, the front end face of the support seat is provided with a control device, the top of the nitrogen making machine is provided with a sealing cover, the top of the sealing cover is installed with a pressurizing pump, and the periphery of the bottom of the support seat is all installed with a supporting frame.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、The utility model discloses a compressor, air dryer and air refrigeration ware form air evolution structure, and the dust, bacteria and other particulate matters in the air are adsorbed and filtered through the filter core in the air dryer and air refrigeration ware, so that the discharged air is clean, thereby removing the dust, moisture, carbon dioxide and other impurities in the air, ensuring that the air entering the nitrogen separation system is clean and pure, then the purified air is compressed to the required pressure by the compressor, creating conditions for the nitrogen extraction process, and solving the problem that the adsorption device in the prior art lacks air evolution structure, and the raw air contains too much moisture, oil stains or impurities, which may affect the purity and yield of nitrogen.

[0014] 2、By setting the rotating cylinder inside the filter element of the adsorption tank, setting the pressurizing pump on the sealing cover, taking the carbon molecular sieve in the filter element as the adsorbent, using the different adsorption rates of oxygen and nitrogen to realize separation, under certain pressure, the diffusion rate of oxygen in the carbon molecular sieve micropore is greater than that of nitrogen, so oxygen is preferentially adsorbed, while nitrogen is enriched in the gas phase to form finished nitrogen, when the adsorbent is saturated, it needs to be desorbed by reducing pressure or heating method to release the adsorbed oxygen and other impurities, realize regeneration, in order to ensure the continuous supply of nitrogen. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure schematic diagram of the nitrogen making machine of the utility model.

[0016] Figure 2 It is the purification assembly structure enlarged schematic view of the utility model.

[0017] Figure 3 It is the adsorption tank internal partial structure enlarged schematic view of the utility model.

[0018] Figure 4 It is the air dryer internal partial structure enlarged schematic view of the utility model.

[0019] In the drawing: 1, support seat, 2, support frame, 3, nitrogen making machine, 4, sealing cover, 5, pressurizing pump, 6, air inlet, 7, exhaust port, 8, control device, 9, air cooler, 10, air dryer, 11, compressor, 12, gas conveying pipe, 13, adsorption tank, 14, top cover, 15, filter element, 16, rotating cylinder, 17, communication port, 18, limiting frame, 19, moisture absorbing core. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Please refer to Figures 1-4The utility model provides an embodiment: a kind of adsorption device for nitrogen making machine, including support seat 1, support seat 1 is provided with nitrogen making machine 3, the side end surface of nitrogen making machine 3 is provided with air inlet 6, the lower portion of air inlet 6 is provided with exhaust port 7, the side of nitrogen making machine 3 is provided with compressor 11, the side of compressor 11 is provided with air dryer 10, the side of air dryer 10 is provided with air refrigerating machine 9, nitrogen making machine 3, compressor 11, air dryer 10 and air refrigerating machine 9 between them are equipped with gas pipe 12, when using, because the air evolution structure is formed by setting compressor 11, air dryer 10 and air refrigerating machine 9, air is passed inside air dryer 10 and air refrigerating machine 9, adsorbs the dust, bacteria and other particulate matter in air, ensure that the air discharged is clean, to remove dust, moisture, carbon dioxide and other impurities in air, ensure that the air entering nitrogen separation system is clean and pure, then purified air is compressed to the required pressure using compressor 11, to create conditions for nitrogen extraction process, solve the problem that the adsorption device in prior art lacks air evolution structure, raw material air contains too much moisture, oil stain or impurity, which can affect the purity and yield of nitrogen, and also by setting rotating cylinder 16 in filter core 15 inside adsorption tank 13, setting pressurizing pump 5 on sealing cover 4, carbon molecular sieve in filter core 15 is used as adsorbent, and separation is realized by using the different adsorption rates of oxygen and nitrogen, under certain pressure, the diffusion rate of oxygen in carbon molecular sieve micropore is greater than that of nitrogen, so oxygen is preferentially adsorbed, while nitrogen is enriched in gas phase to form finished nitrogen, when adsorbent is saturated, it needs to be desorbed by methods such as pressure reduction or heating to release adsorbed oxygen and other impurities, realize regeneration, to ensure continuous supply of nitrogen.

[0022] Please refer to Figures 1-4 , the inside of air dryer 10 is provided with moisture absorbing core 19, the inside of nitrogen making machine 3 is provided with adsorption tank 13.

[0023] Please refer to Figures 1-4 , the top of adsorption tank 13 is provided with top cover 14, the both side end surfaces of adsorption tank 13 are provided with limiting frame 18.

[0024] Please refer to Figures 1-4 , the inside of adsorption tank 13 is provided with filter core 15, the inside of filter core 15 is provided with rotating cylinder 16.

[0025] Please refer to Figures 1-4The side of the rotating cylinder 16 is provided with a communication port 17, the carbon molecular sieve in the filter core 15 is used as an adsorbent, and different adsorption rates of oxygen and nitrogen are used to realize separation, under certain pressure, the diffusion rate of oxygen in the carbon molecular sieve micropore is greater than that of nitrogen, so that oxygen is preferentially adsorbed, and nitrogen is enriched in the gas phase to form finished nitrogen gas, when the adsorbent is saturated, it needs to be desorbed by methods such as pressure reduction or heating to release the adsorbed oxygen and other impurities, realize regeneration, and ensure continuous supply of nitrogen.

[0026] Please refer to Figures 1-4 The front end surface of the support base 1 is provided with a control device 8, the top of the nitrogen making machine 3 is provided with a sealing cover 4, the top of the sealing cover 4 is provided with a pressurizing pump 5, and the periphery of the bottom of the support base 1 is provided with a support frame 2.

[0027] Working principle: when in use, because the compressor 11, the air dryer 10 and the air cooler 9 form an air evolution structure, the air passes through the inside of the air dryer 10 and the air cooler 9, adsorbs and filters the dust, bacteria and other particulate matters in the air, ensures that the discharged air is clean, removes dust, moisture, carbon dioxide and other impurities in the air, ensures that the air entering the nitrogen separation system is clean and pure, then compresses the purified air to the required pressure by the compressor 11, creates conditions for the nitrogen extraction process, solves the problem that the adsorption device in the prior art lacks an air evolution structure, and the raw material air contains too much moisture, oil stains or impurities, which may affect the purity and yield of nitrogen, and further, the rotating cylinder 16 is arranged in the filter core 15 of the adsorption tank 13, the pressurizing pump 5 is arranged on the sealing cover 4, the carbon molecular sieve in the filter core 15 is used as an adsorbent, and different adsorption rates of oxygen and nitrogen are used to realize separation, under certain pressure, the diffusion rate of oxygen in the carbon molecular sieve micropore is greater than that of nitrogen, so that oxygen is preferentially adsorbed, and nitrogen is enriched in the gas phase to form finished nitrogen gas, when the adsorbent is saturated, it needs to be desorbed by methods such as pressure reduction or heating to release the adsorbed oxygen and other impurities, realize regeneration, and ensure continuous supply of nitrogen.

[0028] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. An adsorption device for a nitrogen generator, comprising a support base (1), characterized in that: A nitrogen generator (3) is provided on the support base (1). An air inlet (6) is provided on one side of the nitrogen generator (3). An exhaust port (7) is provided below the air inlet (6). A compressor (11) is provided on one side of the nitrogen generator (3). An air dryer (10) is provided on one side of the compressor (11). An air cooler (9) is provided on one side of the air dryer (10). A gas supply pipe (12) is installed between the nitrogen generator (3), the compressor (11), the air dryer (10) and the air cooler (9).

2. The adsorption device for a nitrogen generator according to claim 1, characterized in that: The air dryer (10) is equipped with a moisture-absorbing core (19), and the nitrogen generator (3) is equipped with an adsorption tank (13).

3. The adsorption device for a nitrogen generator according to claim 2, characterized in that: The top of the adsorption tank (13) is provided with a top cover (14), and both sides of the adsorption tank (13) are provided with limit frames (18).

4. The adsorption device for a nitrogen generator according to claim 3, characterized in that: The adsorption tank (13) is equipped with a filter element (15), and the filter element (15) is equipped with a rotating cylinder (16).

5. The adsorption device for a nitrogen generator according to claim 4, characterized in that: A connecting port (17) is provided on one side of the rotating cylinder (16), and the connecting port (17) is disposed through the interior of the filter element (15).

6. The adsorption device for a nitrogen generator according to claim 5, characterized in that: The front end face of the support base (1) is provided with a control device (8), and support frames (2) are installed around the bottom of the support base (1).

7. The adsorption device for a nitrogen generator according to claim 6, characterized in that: A pressure pump (5) is installed on the top of the sealing cover (4), and a sealing cover (4) is provided on the top of the nitrogen generator (3).

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