Modular nitrogen making machine

Abstract

The utility model discloses a modular nitrogen making machine which comprises a bottom frame, a first precision filter, a second precision filter, a third precision filter, a drying machine, a nitrogen making unit and a dust fine filter are respectively arranged at the top of the bottom frame, the first precision filter is connected with the second precision filter through a metal hose, and the second precision filter is connected with the drying machine through a metal hose. The other side, away from the first precise filter, of the second precise filter is connected with the dryer through a metal hose, and the dryer is connected with a third precise filter through a metal hose. The nitrogen making unit adopts modular pressure swing adsorption to make nitrogen, the number of modules can be increased or decreased according to the gas use requirement to meet the required gas production requirement, and the pressure swing adsorption principle mainly depends on the gas adsorption capacity difference of an adsorbent under different pressures; under high pressure, the adsorption capacity of the adsorbent on impurities such as nitrogen is enhanced, so that ideal components such as oxygen are effectively separated out.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen making machine technical field, concretely relates to modular nitrogen making machine. BACKGROUND

[0002] The nitrogen making machine refers to the equipment that uses air as raw material and obtains nitrogen by separating oxygen and nitrogen in air by physical method; according to different classification methods, the nitrogen making machine can be divided into three kinds of deep cooling air separation method, molecular sieve air separation method (PSA) and membrane air separation method, etc.

[0003] The psa adsorption nitrogen making equipment in prior art mostly uses the form of container cylinder, and different models are too numerous to be beneficial to production due to different sizes, and the container needs to be inspected annually, which is time-consuming and laborious, therefore, it is urgent to design modular nitrogen making machine to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing modular nitrogen making machine to solve the above deficiencies in prior art.

[0005] In order to realize the above purpose, the utility model provides the following technical scheme:

[0006] Modular nitrogen making machine, including the chassis, the top of chassis is respectively provided with precision filter one, precision filter two, precision filter three, drying machine, nitrogen making unit and dust precision filter, precision filter one is connected with precision filter two through metal hose, and precision filter two is connected with drying machine through metal hose, precision filter two is connected with drying machine through metal hose on the other side away from precision filter one, drying machine is connected with precision filter three through metal hose.

[0007] Further, precision filter one, precision filter three and nitrogen making unit are connected with external air storage tank through metal hose, and the terminal of nitrogen making unit is connected with external nitrogen storage tank.

[0008] Further, the dust precision filter is connected with external nitrogen storage tank, and an automatic venting pipeline is arranged on the dust precision filter.

[0009] Further, precision filter one, precision filter two, precision filter three, drying machine, nitrogen making unit and dust precision filter are connected with external blowdown pipeline.

[0010] Further, a control instrument is arranged on the nitrogen making unit, and the control instrument is used for opening and closing the valve of the nitrogen making unit.

[0011] In the above technical scheme, the modular nitrogen making machine provided by the utility model

[0012] (1) through the setting of nitrogen making unit, nitrogen making unit adopts modular variable pressure adsorption nitrogen making, can increase or reduce module according to gas requirement to reach the required gas production requirement, the principle of variable pressure adsorption mainly depends on the adsorption capacity difference of adsorbent to gas under different pressure; under higher pressure, the adsorption capacity of adsorbent to nitrogen and other impurities is enhanced, thereby effectively separating oxygen and other ideal components; and under lower pressure, the adsorption capacity of adsorbent to gas is weakened, so that the previously adsorbed gas can be desorbed, which solves the problem that most psa adsorption nitrogen making equipment uses the form of container cylinder, which is not conducive to production due to different sizes and different types; at the same time, the production material of nitrogen making unit is aluminum alloy, and the aluminum alloy module does not belong to container, so it is not necessary to report for inspection, saving time and effort;

[0013] (2) through the setting of precision filter one, precision filter two, precision filter three, drying machine, nitrogen making unit, dust precision filter and chassis, precision filter one, precision filter two, precision filter three, drying machine, nitrogen making unit, dust precision filter and chassis are all installed on the chassis, and are connected with each other using metal hose, which can reduce the influence of vibration on pipeline during transportation. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0015] Figure 1 The front view structural schematic diagram provided by the embodiment of the modular nitrogen making machine of the present application.

[0016] Figure 2 The side view one structural schematic diagram provided by the embodiment of the modular nitrogen making machine of the present application.

[0017] Figure 3 The rear view structural schematic diagram provided by the embodiment of the modular nitrogen making machine of the present application.

[0018] Figure 4 The top view structural schematic diagram provided by the embodiment of the modular nitrogen making machine of the present application.

[0019] Figure 5 The side view two structural schematic diagram provided by the embodiment of the modular nitrogen making machine of the present application.

[0020] Figure 6 The front view structural schematic diagram of the nitrogen making unit provided by the embodiment of the modular nitrogen making machine of the present application.

[0021] Figure 7The utility model provides a module type nitrogen making machine group side view structure schematic diagram provided for the utility model module type nitrogen making machine embodiment.

[0022] Figure 8 The utility model provides a module type nitrogen making machine group vertical view structure schematic diagram provided for the utility model module type nitrogen making machine embodiment.

[0023] Figure 9 The utility model provides a module type nitrogen making machine flow structure schematic diagram provided for the utility model module type nitrogen making machine embodiment.

[0024] Mark explanation:

[0025] 1, precision filter one;2, precision filter two;3, precision filter three;4, drying machine;5, nitrogen making machine group;6, dust fine filter;7, underframe. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the attached drawing.

[0027] As Figures 1-9 The utility model embodiment provides a module type nitrogen making machine, including underframe 7, the top of underframe 7 is provided with precision filter one 1, precision filter two 2, precision filter three 3, drying machine 4, nitrogen making machine group 5 and dust fine filter 6 respectively, precision filter one 1 is connected with precision filter two 2 through metal hose, and precision filter two 2 is connected with drying machine 4 through metal hose, and precision filter two 2 is connected with drying machine 4 through metal hose on the other side away from precision filter one 1, and drying machine 4 is connected with precision filter three 3 through metal hose.

[0028] The utility model provides a module type nitrogen making machine, including underframe 7, the top of underframe 7 is provided with precision filter one 1, precision filter two 2, precision filter three 3, drying machine 4, nitrogen making machine group 5 and dust fine filter 6 respectively, precision filter one 1 is connected with precision filter two 2 through metal hose, and precision filter two 2 is connected with drying machine 4 through metal hose, and precision filter two 2 is connected with drying machine 4 through metal hose on the other side away from precision filter one 1, and drying machine 4 is connected with precision filter three 3 through metal hose.

[0029] By setting: nitrogen making unit 5 adopts modular pressure swing adsorption nitrogen making, nitrogen making requirement can be increased or decreased to achieve required gas production requirement, the principle of pressure swing adsorption mainly depends on the difference of adsorbent adsorption capacity of gas under different pressures; under higher pressure, the adsorption capacity of adsorbent to nitrogen and other impurities is enhanced, thereby effectively separating oxygen and other ideal components; under lower pressure, the adsorption capacity of adsorbent to gas is weakened, so that the previously adsorbed gas can be desorbed, the problem that most psa adsorption nitrogen making equipment uses container cylinder form, which is not conducive to production due to different sizes and different types, and the production material of nitrogen making unit 5 is aluminum alloy, the aluminum alloy module is not a container, so it does not need to be inspected, saving time and effort.

[0030] In one embodiment of the utility model, as shown in Figure 1 and Figure 9 The precision filter one 1, the precision filter three 3 and the nitrogen making unit 5 are connected with the external air storage tank through the metal hose, and the terminal of the nitrogen making unit 5 is connected with the external nitrogen storage tank, the air filtered by the precision filter one 1 and the precision filter three 3 is stored in the external air storage tank, and when making nitrogen, the external air storage tank can be directly introduced into the nitrogen making unit 5 to make nitrogen, and the efficiency is faster.

[0031] In another embodiment of the utility model, as shown in Figure 1 and Figure 9 The dust fine filter 6 is connected with the external nitrogen storage tank, and the automatic venting pipeline is arranged on the dust fine filter 6.

[0032] In another embodiment of the utility model, as shown in Figure 9 The precision filter one 1, the precision filter two 2, the precision filter three 3, the drying machine 4, the nitrogen making unit 5 and the dust fine filter 6 are connected with the external blowdown pipeline, so that the exhaust gas is discharged through the blowdown pipeline, and it is more environmentally friendly.

[0033] In one embodiment of the utility model, as shown in Figure 9 The control instrument is arranged on the nitrogen making unit 5, and the control instrument is used for opening and closing the valve of the nitrogen making unit 5.

[0034] Working principle: air source enters air storage tank, air in air storage tank is filtered in turn into precision filter 1, precision filter 2 2, then enters the inside of drying machine 4 and is dried, the air after drying is filtered again in the inside of precision filter three 3, then enters the inside of the air storage tank for storing purified air and stores, the purified air is introduced into the inside of nitrogen making unit 5 and is made into nitrogen, in nitrogen making unit 5, the adsorption process is: the packed special carbon molecular sieve adsorbent selectively adsorbs oxygen, carbon dioxide and other impurity gas components, and nitrogen is discharged from nitrogen making unit 5 with higher purity, the desorption process is: in the process of pressure reduction, the oxygen adsorbed by the adsorbent is desorbed and is discharged through the reverse discharge of nitrogen making unit 5, after purging, the adsorbent can be regenerated, the production material of nitrogen making unit 5 is aluminum alloy, and the aluminum alloy module does not belong to container, so it is not necessary to report for inspection, time and effort are saved, and the waste products discharged from precision filter 1, precision filter 2 2, precision filter three 3, drying machine 4, nitrogen making unit 5 and dust filter 6 are discharged into the blow-off pipeline.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. Modular nitrogen generator comprising a chassis (7), characterized in that, The top of the chassis (7) is respectively provided with a precision filter one (1), a precision filter two (2), a precision filter three (3), a drying machine (4), a nitrogen making unit (5) and a dust precision filter (6), the precision filter one (1) is connected with the precision filter two (2) through a metal hose, the precision filter two (2) is connected with the drying machine (4) through a metal hose, the precision filter two (2) is connected with the drying machine (4) through a metal hose away from the other side of the precision filter one (1), and the drying machine (4) is connected with the precision filter three (3) through a metal hose.

2. The modular nitrogen generator of claim 1, wherein, The precision filter one (1), the precision filter three (3) and the nitrogen making unit (5) are connected with an external air storage tank through metal hoses, and the terminal of the nitrogen making unit (5) is connected with an external nitrogen storage tank.

3. The modular nitrogen generator of claim 2, wherein, The dust precision filter (6) is connected with an external nitrogen storage tank, and an automatic emptying pipeline is arranged on the dust precision filter (6).

4. The modular nitrogen generator of claim 3, wherein, The precision filter one (1), the precision filter two (2), the precision filter three (3), the drying machine (4), the nitrogen making unit (5) and the dust precision filter (6) are connected with an external blow-off pipeline.

5. The modular nitrogen generator of claim 4, wherein, A control instrument is arranged on the nitrogen making unit (5), and the control instrument is used for opening and closing the valve of the nitrogen making unit (5).

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