CN218249426U - Polymer membrane separation type nitrogen making machine - Google Patents

Abstract

The utility model relates to the technical field of nitrogen making machines, in particular to a polymer membrane separation type nitrogen making machine, which comprises an air compressor, a conveying pipe, an air tank, a round pipe, a filtering mechanism, a gas conveying pipe, an exhaust pipe a, an air inlet pipe, an exhaust pipe b and a mounting rack; the conveying pipe is connected with an air compressor and an air tank, the conveying pipe is provided with an electromagnetic valve, and the air tank is provided with a bracket a; a water vapor adsorption layer is arranged in the air tank, the round pipe is connected with the air tank and the filtering mechanism, and the filtering mechanism is provided with a bracket b; be equipped with on the mounting bracket, filtering mechanism and knockout drum are connected to the gas-supply pipe, are equipped with the heater on the gas-supply pipe, and the knockout drum is equipped with the mounting panel, and the mounting panel is equipped with the polymer film, and blast pipe an and knockout drum intercommunication, blast pipe an are connected the nitrogen gas jar, and blast pipe b exhaust jogged joint, nitrogen gas jar lower extreme are equipped with support c. The plurality of filter layers in the middle filter mechanism of the utility model filter the air for a plurality of times, and filter the impurities in the air; the synchronous separation of a plurality of knockout drums improves the efficiency of separation.

Description

Polymeric membrane disconnect-type nitrogen generator

Technical Field

The utility model relates to a nitrogen machine technical field specifically is a polymer film disconnect-type nitrogen machine.

Background

Nitrogen is a simple substance formed by nitrogen. The ammonia gas is colorless and tasteless inert gas at normal temperature and normal pressure, can react with hydrogen gas to generate ammonia gas only under the conditions of high temperature and high pressure and a catalyst, and can be combined with oxygen gas to generate nitric oxide under the condition of discharge; the nitrogen generator is a device which takes air as a raw material and obtains nitrogen by separating oxygen and nitrogen in the air by a physical method. Nitrogen generators used in industry are classified into three types, i.e., cryogenic air separation, molecular sieve air separation (PSA), and membrane air separation, according to the classification method. Air enters a polymer membrane filter after being compressed and filtered by a compressor, and the relative permeation rates of different gases in the membrane are different due to different solubilities and diffusion coefficients of the various gases in the membrane. According to this characteristic, various gases can be classified into "fast gas" and "slow gas".

When a single separation cylinder enters a large amount of air once, the existing high-molecular-membrane separation type nitrogen making machine has poor separation effect, pure gas can be obtained only through a plurality of filtering mechanisms before separation, and the filtering efficiency is low for a plurality of times.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a polymer film disconnect-type nitrogen generator to the problem that exists among the background art.

The technical scheme of the utility model: a high molecular membrane separation type nitrogen making machine comprises an air compressor, a conveying pipe, an air tank, a round pipe, a filtering mechanism, a gas conveying pipe, a gas discharging pipe a, a gas inlet pipe, a gas discharging pipe b and a mounting frame;

one end of the conveying pipe is connected with an air outlet port of the air compressor, the other end of the conveying pipe is connected with an air tank, an electromagnetic valve is arranged on the conveying pipe, and a support a is arranged at the lower end of the air tank;

a water vapor adsorption layer is arranged in the air tank, a round pipe is connected with an air outlet port of the air tank and the filtering mechanism, the round pipe is positioned below the water vapor adsorption layer, and a support b is arranged at the lower end of the filtering mechanism;

be equipped with a plurality of knockout drums on the mounting bracket, a plurality of knockout drums distribute side by side, and filtering mechanism and a plurality of knockout drum are connected to the gas-supply pipe, are equipped with the heater on the gas-supply pipe, all are equipped with the mounting panel in a plurality of knockout drums, are equipped with the polymer film in the mounting panel, and blast pipe an and a plurality of knockout drums intercommunication, blast pipe an connection nitrogen gas jar, and blast pipe b is connected with the exhaust jogged joint on a plurality of knockout drums, and nitrogen gas jar lower extreme is equipped with support c.

Preferably, the filter mechanism comprises a housing;

the casing is connected to the pipe, and support b connects the casing, is equipped with filtering layer an, filtering layer b and filtering layer c in the casing, and a plurality of filtering layers all distribute coaxially, and the external diameter value of filtering layer an, filtering layer b and filtering layer c reduces gradually.

Preferably, a spiral plate is arranged between the filter layer a and the shell.

Preferably, the projection shape of the mounting plate is annular, and the outer peripheral surface of the mounting plate is pressed against the inner wall of the separation tank.

Preferably, the outer peripheral surface of the mounting plate is provided with a sealing ring.

Preferably, the exhaust holes are located below the mounting plate.

Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:

the utility model discloses in, a large amount of air is in the air tank through air compressor rethread conveyer pipe transport, a large amount of air is through the vapor adsorbed layer, vapor in the air is got rid of, the air is in the filter mechanism through the pipe transport, gas flows into in the casing from the pipe, gas slowly diffuses to the casing through the spiral plate, prevent that gas from piling up and doing benefit to filtering together, gas passes through filtering layer a in proper order, filtering layer b and filtering layer c, filtering layer a and filtering layer b are the dust, the oil filter layer, filtering layer c is the active carbon filter layer, a large amount of impurity is clear away after a plurality of filtering layers to the gas of mixture, the air after the filtration flows into a plurality of separator tanks through the gas-supply pipe, be equipped with the heater on the gas-supply pipe, the heater heats the air, after the air gets into the separator tank, nitrogen gas in the air passes through the polymer film fast, at last get into the nitrogen gas tank through blast pipe a, other gas are discharged through exhaust hole and blast pipe b; the filtering mechanism of the utility model is internally provided with a plurality of filtering layers which filter the air for a plurality of times and filter the impurities in the air; the synchronous separation of a plurality of knockout drums improves the efficiency of separation.

Drawings

Fig. 1 is a perspective view of a polymer membrane separation type nitrogen generator provided by the present invention.

Fig. 2 is a schematic structural diagram of a filtering mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the separation tank in an embodiment of the present invention.

Reference numerals: 1. an air compressor; 2. a delivery pipe; 3. an electromagnetic valve; 4. a bracket a; 5. an air tank; 6. a circular tube; 7. a bracket b; 8. a filtering mechanism; 9. a gas delivery pipe; 10. a heater; 11. an exhaust pipe a; 12. an air inlet pipe; 13. a separation tank; 14. an exhaust pipe b; 15. a mounting frame; 16. a support (c); 17. a polymeric membrane; 18. a housing; 19. a spiral plate; 20. a filter layer a; 21. a filter layer b; 22. a filter layer c; 23. mounting a plate; 24. a nitrogen tank; 25. and (4) exhausting holes.

Detailed Description

Example one

As shown in fig. 1-3, the polymer membrane separation type nitrogen generator provided by the present invention comprises an air compressor 1, a delivery pipe 2, an air tank 5, a circular pipe 6, a filtering mechanism 8, a gas delivery pipe 9, an exhaust pipe a11, an intake pipe 12, an exhaust pipe b14 and a mounting rack 15;

one end of the conveying pipe 2 is connected with an air outlet port of the air compressor 1, the other end of the conveying pipe 2 is connected with an air tank 5, the conveying pipe 2 is provided with an electromagnetic valve 3, the lower end of the air tank 5 is provided with a support a4, and the air compressor 1 is an existing remembering device;

a water vapor adsorption layer is arranged in the air tank 5, the peripheral surface of the water vapor adsorption layer is tightly attached to the inner wall of the air tank 5, the circular tube 6 is connected with an air outlet port of the air tank 5 and the filtering mechanism 8, the circular tube 6 is positioned below the water vapor adsorption layer, and the lower end of the filtering mechanism 8 is provided with a support b7;

the mounting rack 15 is provided with a plurality of separation tanks 13, the separation tanks 13 are distributed side by side, the gas conveying pipe 9 is connected with the filtering mechanism 8 and the separation tanks 13, the gas conveying pipe 9 is provided with a heater 10, mounting plates 23 are arranged in the separation tanks 13, polymer membranes 17 are arranged in the mounting plates 23, the gas exhaust pipe a11 is communicated with the separation tanks 13, the gas exhaust pipe a11 is connected with a nitrogen tank 24, the gas exhaust pipe b14 is connected with exhaust holes 25 in the separation tanks 13, and the lower end of the nitrogen tank 24 is provided with a support c16;

further, the exhaust hole 25 is positioned below the mounting plate 23 and used for exhausting gas below the polymer membrane 17;

further, the projection shape of the mounting plate 23 is annular, and the outer peripheral surface of the mounting plate 23 presses the inner wall of the separation tank 13;

further, the outer peripheral surface of the mounting plate 23 is provided with a seal ring to prevent a small amount of gas from leaking from the gap between the mounting plate 23 and the housing 18 to the other side of the mounting plate 23.

In the utility model, a large amount of air is conveyed to the air tank 5 through the air compressor 1 and the conveying pipe 2, the large amount of air passes through the water vapor adsorption layer, the water vapor in the air is removed, the air is conveyed to the filtering mechanism 8 through the round pipe 6, the filtering mechanism 8 filters a large amount of impurities in the air, the filtered air flows into the separation tanks 13 through the air conveying pipes 9, the air conveying pipes 9 are provided with the heaters 10, the heaters 10 heat the air, after the air enters the separation tanks 13, the nitrogen in the air rapidly passes through the polymer membrane 17 and finally enters the nitrogen tank 24 through the exhaust pipe a11, and other gases are discharged through the exhaust holes 25 and the exhaust pipe b 14; the filtering mechanism 8 in the utility model is internally provided with a plurality of filtering layers which filter the air for a plurality of times and filter the impurities in the air; the synchronous separation of a plurality of separation tanks 13 improves the efficiency of the separation.

Example two

As shown in fig. 1-2, compared with the first embodiment, the filtering mechanism 8 of the first embodiment of the present invention includes a housing 18;

the round pipe 6 is connected with the shell 18, the support b7 is connected with the shell 18, a filter layer a20, a filter layer b21 and a filter layer c22 are arranged in the shell 18, the filter layers are coaxially distributed, and the outer diameter values of the filter layer a20, the filter layer b21 and the filter layer c22 are gradually reduced;

further, a spiral plate 19 is provided between the filter layer a20 and the casing 18.

In this embodiment, gas flows into casing 18 from pipe 6 in, and gas slowly diffuses to casing 18 in through spiral plate 19, prevents that gas from piling up and do benefit to filtering together, and gas passes through filtering layer a20, filtering layer b21 and filtering layer c22 in proper order, and filtering layer a20 and filtering layer b21 are dust, oil filter layer, and filtering layer c22 is the active carbon filter layer, and a large amount of impurity is clear away after a plurality of filtering layers to the gas of mixing.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims (6)

1. A polymer membrane separation type nitrogen making machine is characterized by comprising an air compressor (1), a conveying pipe (2), an air tank (5), a round pipe (6), a filtering mechanism (8), an air conveying pipe (9), an exhaust pipe a (11), an air inlet pipe (12), an exhaust pipe b (14) and a mounting frame (15);

one end of the conveying pipe (2) is connected with an air outlet port of the air compressor (1), the other end of the conveying pipe (2) is connected with an air tank (5), the conveying pipe (2) is provided with an electromagnetic valve (3), and the lower end of the air tank (5) is provided with a support a (4);

a water vapor adsorption layer is arranged in the air tank (5), the round pipe (6) is connected with an air outlet port of the air tank (5) and the filtering mechanism (8), the round pipe (6) is positioned below the water vapor adsorption layer, and the lower end of the filtering mechanism (8) is provided with a support b (7);

be equipped with a plurality of knockout drums (13) on mounting bracket (15), a plurality of knockout drums (13) distribute side by side, filtering mechanism (8) and a plurality of knockout drum (13) are connected in gas-supply pipe (9), be equipped with heater (10) on gas-supply pipe (9), all be equipped with mounting panel (23) in a plurality of knockout drums (13), be equipped with polymer membrane (17) in mounting panel (23), blast pipe a (11) and a plurality of knockout drum (13) intercommunication, nitrogen gas jar (24) are connected in blast pipe a (11), blast pipe b (14) are connected with exhaust hole (25) on a plurality of knockout drums (13), nitrogen gas jar (24) lower extreme is equipped with support c (16).

2. The nitrogen generator as claimed in claim 1, wherein the filtering mechanism (8) comprises a housing (18);

casing (18) are connected in pipe (6), and casing (18) are connected in support b (7), are equipped with filtering layer a (20), filtering layer b (21) and filtering layer c (22) in casing (18), and the equal coaxial distribution of a plurality of filtering layers, the external diameter value of filtering layer a (20), filtering layer b (21) and filtering layer c (22) reduces gradually.

3. The nitrogen generator as claimed in claim 2, wherein a spiral plate (19) is provided between the filtering layer a (20) and the housing (18).

4. The nitrogen generator as claimed in claim 1, wherein the mounting plate (23) has a ring-shaped projection, and the outer circumferential surface of the mounting plate (23) presses the inner wall of the separation tank (13).

5. The nitrogen generator as claimed in claim 4, wherein the mounting plate (23) has a sealing ring on its outer surface.

6. The nitrogen generator as claimed in claim 1, wherein the exhaust hole (25) is located below the mounting plate (23).

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