CN217549423U

CN217549423U - Energy-efficient nitrogen generator

Info

Publication number: CN217549423U
Application number: CN202221715692.4U
Authority: CN
Inventors: 林靖薇
Original assignee: Adebon Riken Technology Suzhou Co ltd
Current assignee: Adebon Riken Technology Suzhou Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-10-11
Anticipated expiration: 2032-07-04

Abstract

The utility model relates to the technical field of nitrogen making machines, in particular to a high-efficiency energy-saving nitrogen making machine, which comprises a nitrogen making machine box body, two groups of air pipe components, a plurality of carbon molecular sieves and a partition plate; the partition plate comprises two partition plates and a limiting plate; the partition plate is arranged in the nitrogen making machine box body; the limiting plate is arranged in the nitrogen making machine box body, and two rubber pads are arranged on the limiting plate; the two partition plates are respectively connected with the two rubber pads; two groups of air pipe assemblies are distributed on the limiting plate side by side, and each group of air pipe assembly comprises an air pipe, two electromagnetic valves, a communicating pipe and two throttling valves; one end of the air pipe extends into the limiting plate and is connected with the communicating pipe; two ends of the communicating pipe respectively penetrate through the two partition plates and respectively extend into the two nitrogen making spaces; the two electromagnetic valves and the two throttle valves are both arranged on the communicating pipe; an access door is arranged on each of the two nitrogen making spaces; and a plurality of carbon molecular sieves are arranged in the two nitrogen making spaces. The utility model discloses be convenient for carry out amortization and dismantlement to the device, and install simple structure, be convenient for use.

Description

Energy-efficient nitrogen generator

Technical Field

The utility model relates to a nitrogen machine technical field, concretely relates to energy-efficient nitrogen machine.

Background

The pressure swing nitrogen production is that air is used as raw material, and the nitrogen and oxygen in the air are separated by utilizing the selective adsorption performance of the nitrogen and oxygen of the carbon molecular sieve. In the existing variable pressure nitrogen system, the nitrogen separation effect of the carbon molecular sieve is mainly based on the fact that the diffusion rates of nitrogen on the surface of the molecular sieve are different, oxygen with a small diameter diffuses fast, and thus enriched components of nitrogen can be obtained in a gas phase. After a period of time, the adsorption of the molecular sieve to oxygen reaches balance, and according to the characteristic that the carbon molecular sieve adsorbs different gases under different pressures, the pressure is reduced to enable the carbon molecular sieve to remove the adsorption of the oxygen. The existing high-purity pressure swing nitrogen production usually uses two towers which are connected in parallel and alternately carry out pressure adsorption and decompression regeneration, thereby obtaining continuous nitrogen flow, but the volume of the adsorption tower is fixed, the nitrogen production speed is inconvenient to adjust according to the requirement, meanwhile, when the adsorption tower is damaged, the maintenance and the replacement are inconvenient, and when the temperature of input gas is higher, the energy consumption is higher when the air compression and the freeze-drying are carried out.

Chinese patent with grant publication number CN213595889U discloses an energy-efficient nitrogen making machine, relates to nitrogen making machine technical field, the utility model discloses, solved the inconvenient system nitrogen speed of adjusting according to the demand of current nitrogen making machine, the inconvenient maintenance of adsorption tower is changed and the higher problem of power consumption.

However, the above-mentioned apparatus is inconvenient to use because of its high cost and large floor space due to the parallel use of a plurality of adsorption tower groups, and the noise generated by the apparatus is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient energy-saving nitrogen generator convenient to carry out amortization and dismantlement to the device to the problem that exists among the background art.

The technical scheme of the utility model: an efficient energy-saving nitrogen making machine comprises a nitrogen making machine box body, two groups of air pipe assemblies, a plurality of carbon molecular sieves and partition plates; the partition plate comprises two partition plates, a limiting plate and two rubber pads;

the partition plate is arranged in the nitrogen making machine box body, and the partition plate divides the nitrogen making machine box body into two independent nitrogen making spaces; the two nitrogen making spaces are convenient to separately and independently overhaul, and the nitrogen making progress cannot be blocked; the limiting plate is arranged in the nitrogen making machine box body, and two rubber pads are respectively arranged at two ends of the limiting plate; the two partition plates are respectively connected with the two rubber pads;

the two groups of air pipe assemblies are distributed on the limiting plate side by side, and each group of air pipe assembly comprises an air pipe, two electromagnetic valves, a communicating pipe and two throttle valves; one end of the air pipe extends into the limiting plate and is connected with the communicating pipe; two ends of the communicating pipe respectively penetrate through the two partition plates and respectively extend into the two nitrogen making spaces; the two electromagnetic valves and the two throttle valves are both arranged on the communicating pipe, and each electromagnetic valve and each throttle valve are positioned in the same nitrogen making space;

access doors for overhauling are arranged on the two nitrogen making spaces; and a plurality of carbon molecular sieves are arranged in the two nitrogen making spaces.

Preferably, each nitrogen making space is internally provided with a plurality of groups of detachable installation components which are respectively used for detachably installing a plurality of carbon molecular sieves.

Preferably, each set of the detachable mounting assemblies comprises a fixed plate, a sliding plate, a plurality of springs and a support plate; the fixing plate and the supporting plate are arranged in the nitrogen making machine box body side by side, and a through hole is formed in the fixing plate; an opening is arranged on the inner wall of the through hole; the sliding plate is connected with the inner wall of the through hole in a sliding manner and is connected with the inner wall of the through hole through a plurality of springs; the upper end surface of the supporting plate is provided with a through groove; and under the installation state of the carbon molecular sieve, the two ends of the carbon molecular sieve are respectively clamped into the through grooves and the openings in a matching manner.

Preferably, a plurality of sealing gaskets are further included; the sealing gaskets are all arranged in the nitrogen making machine box body, and the projection shape of each sealing gasket is U-shaped; and in the installation state of the carbon molecular sieve, the carbon molecular sieve compresses the inner peripheral surface of the sealing gasket.

Preferably, the nitrogen generator box body comprises a sound-absorbing plate, sound-absorbing cotton, a sound-absorbing pad and an outer wall; the silencing plate, the silencing cotton, the silencing pad and the outer wall are sequentially arranged from inside to outside, and a plurality of silencing holes are formed in the inner circumferential surface of the silencing plate.

Preferably, each access door is provided with a sealing rubber ring.

Preferably, an elastic cushion is arranged on the inner wall of each access door.

Preferably, the bottom surface of the nitrogen generator box body is provided with a plurality of universal wheels with brakes.

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

the two rubber pads are used for buffering and reducing noise of the two partition plates, so that noise generated when air enters is reduced, meanwhile, the electromagnetic valve and the throttle valve are arranged to control the flowing speed of the air, and the noise is further effectively reduced at the noise generating position; and the silencing plate, the silencing cotton and the silencing pad are used for absorbing noise generated by gas entering the nitrogen making space, and further noise reduction is performed at a propagation position, so that the practicability of the device is improved.

A user clamps the carbon molecular sieve in the through groove and the opening in a matching manner, so that the plurality of springs push the sliding plate to tightly press the carbon molecular sieve, the carbon molecular sieve is stably installed, and the quantity of nitrogen-making gas can be used for selecting the quantity of the carbon molecular sieve to be installed; carry out comprehensive sealed through a plurality of rubbers that compress tightly, sealed pad and cushion to carbon molecular sieve, be favorable to improving the purity of preparation nitrogen, improved the practicality of device.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged view of B in fig. 2.

Fig. 5 is a partially enlarged schematic view of C in fig. 2.

Fig. 6 is a cross-sectional view of the center partition plate of the present invention.

Fig. 7 is a partially enlarged view of fig. 6 at D.

Reference numerals: 1. a nitrogen making machine box body; 11. a sound-absorbing panel; 12. silencing cotton; 13. a sound-deadening pad; 14. an outer wall; 2. an air tube assembly; 21. an air tube; 22. an electromagnetic valve; 23. a communicating pipe; 24. a throttle valve; 3. a carbon molecular sieve; 4. a partition plate; 41. a partition plate; 42. a limiting plate; 43. a rubber pad; 5. a fixing plate; 501. a through hole; 502. an opening; 6. a sliding plate; 7. a gasket; 8. a spring; 15. and a support plate.

Detailed Description

Example one

As shown in fig. 1-4 and fig. 6-7, the utility model provides a high-efficiency energy-saving nitrogen generator, which comprises a nitrogen generator box 1, two groups of air pipe components 2, a plurality of carbon molecular sieves 3 and a partition plate 4; the partition plate 4 includes two partition plates 41, a stopper plate 42, and two rubber pads 43.

The nitrogen making machine box body 1 comprises a sound-absorbing plate 11, sound-absorbing cotton 12, a sound-absorbing pad 13 and an outer wall 14; the silencing plate 11, the silencing cotton 12, the silencing pad 13 and the outer wall 14 are sequentially arranged from inside to outside, and a plurality of silencing holes are formed in the inner circumferential surface of the silencing plate 11; the sound-absorbing plate 11, the sound-absorbing cotton 12 and the sound-absorbing pad 13 are arranged to reduce the vibration generated when air impacts the nitrogen generator box body 1; the bottom surface of nitrogen generator box 1 is equipped with a plurality of universal wheels of stopping of taking, is convenient for remove the device.

The partition plate 4 is arranged in the nitrogen making machine box body 1, and the partition plate 4 divides the interior of the nitrogen making machine box body 1 into two mutually independent nitrogen making spaces; the limiting plate 42 is arranged in the nitrogen generator box body 1, and two rubber pads 43 are respectively arranged at two ends of the limiting plate 42; the two partition plates 41 are connected to two rubber pads 43, respectively.

The two groups of air pipe assemblies 2 are distributed on the limiting plate 42 side by side, and each group of air pipe assemblies 2 comprises an air pipe 21, two electromagnetic valves 22, a communicating pipe 23 and two throttle valves 24; one end of the air pipe 21 extends into the limiting plate 42 and is connected with the communicating pipe 23; two ends of the communicating pipe 23 respectively penetrate through the two partition plates 41 and respectively extend into the two nitrogen making spaces; two electromagnetic valves 22 and two throttle valves 24 are both arranged on the communicating pipe 23, and each electromagnetic valve 22 and each throttle valve 24 are positioned in the same nitrogen making space; the two groups of air pipe assemblies 2 are used for air inlet in one group and air outlet in the other group.

Access doors for overhauling are arranged on the two nitrogen making spaces; each access door is provided with a sealing rubber ring; a plurality of carbon molecular sieves 3 are all installed in the two nitrogen making spaces.

In the utility model, when in use, air is introduced into two nitrogen making spaces through a group of air pipe components 2, two clapboards 41 are stably supported by a limiting plate 42, and two rubber pads 43 are used for reducing the noise of buffering the two clapboards 41, which is beneficial to reducing the noise generated when the air enters the nitrogen making machine box body 1, meanwhile, the electromagnetic valve 22 and the throttle valve 24 are arranged to control the air flowing speed, and the noise is further effectively reduced at the noise generating position; the silencing plate 11, the silencing cotton 12 and the silencing pad 13 absorb noise generated by gas entering the nitrogen making space, further noise reduction is carried out at a propagation position, and the practicability of the device is improved.

Example two

As shown in fig. 3 and 5, in each nitrogen making space of the high-efficiency energy-saving nitrogen making machine provided by the present invention, a plurality of detachable mounting assemblies for detachably mounting a plurality of carbon molecular sieves 3 are respectively arranged; each group of detachable mounting components comprises a fixed plate 5, a sliding plate 6, a plurality of sealing gaskets 7, a plurality of springs 8 and a supporting plate 15; the fixed plate 5 and the supporting plate 15 are arranged in the nitrogen generator box body 1 side by side, and the fixed plate 5 is provided with a through hole 501; an opening 502 is arranged on the inner wall of the through hole 501; the sliding plate 6 is connected with the inner wall of the through hole 501 in a sliding manner, and the sliding plate 6 is connected with the inner wall of the through hole 501 through a plurality of springs 8; the upper end surface of the supporting plate 15 is provided with a through groove; in the installation state of the carbon molecular sieve 3, the two ends of the carbon molecular sieve 3 are respectively clamped into the through groove and the opening 502 in a matching manner; the through groove and the opening 502 are both provided with compression rubber; the sealing gaskets 7 are all arranged in the nitrogen generator box body 1, and the projection shape of each sealing gasket 7 is U-shaped; in the installation state of the carbon molecular sieve 3, the carbon molecular sieve 3 compresses the inner circumferential surface of the sealing gasket 7; and an elastic cushion is arranged on the inner wall of each access door.

In this embodiment, when in use, a user clamps the carbon molecular sieve 3 into the through groove and the opening 502 in a matching manner, so that the plurality of springs 8 push the sliding plate 6 to compress the carbon molecular sieve 3, thereby stably installing the carbon molecular sieve 3, and simultaneously, the amount of gas for producing nitrogen can be used for selecting the number of the carbon molecular sieves 3 to be installed; carry out comprehensive sealed through a plurality of rubbers that compress tightly, sealed 7 and the cushion of filling up to carbon molecular sieve 3, be favorable to improving the purity of preparation nitrogen, improved the practicality of device.

The embodiments of the present invention have been described in detail with reference to the 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 knowledge of those skilled in the art.

Claims

1. An efficient energy-saving nitrogen making machine is characterized by comprising a nitrogen making machine box body (1), two groups of air pipe assemblies (2), a plurality of carbon molecular sieves (3) and partition plates (4); the partition plate (4) comprises two partition plates (41), a limiting plate (42) and two rubber pads (43);

the partition plate (4) is arranged in the nitrogen making machine box body (1), and the partition plate (4) divides the inside of the nitrogen making machine box body (1) into two mutually independent nitrogen making spaces; the limiting plate (42) is arranged in the nitrogen generator box body (1), and two rubber pads (43) are respectively arranged at two ends of the limiting plate (42); the two partition plates (41) are respectively connected with two rubber pads (43);

the two groups of air pipe assemblies (2) are distributed on the limiting plate (42) side by side, and each group of air pipe assemblies (2) comprises an air pipe (21), two electromagnetic valves (22), a communicating pipe (23) and two throttle valves (24); one end of the air pipe (21) extends into the limiting plate (42) and is connected with the communicating pipe (23); two ends of the communicating pipe (23) respectively penetrate through the two partition plates (41) and respectively extend into the two nitrogen making spaces; the two electromagnetic valves (22) and the two throttle valves (24) are arranged on the communicating pipe (23), and each electromagnetic valve (22) and each throttle valve (24) are positioned in the same nitrogen making space;

access doors for overhauling are arranged on the two nitrogen making spaces; the plurality of carbon molecular sieves (3) are all arranged in the two nitrogen making spaces.

2. An energy-efficient nitrogen generator as claimed in claim 1, wherein each nitrogen generating space is provided with a plurality of sets of detachable mounting assemblies for detachably mounting a plurality of carbon molecular sieves (3).

3. An energy-efficient nitrogen generator as claimed in claim 2, characterized in that each set of detachable mounting assemblies comprises a fixed plate (5), a sliding plate (6), a plurality of springs (8) and a support plate (15); the fixing plate (5) and the supporting plate (15) are arranged in the nitrogen generator box body (1) side by side, and the fixing plate (5) is provided with a through hole (501); an opening (502) is arranged on the inner wall of the through hole (501); the sliding plate (6) is connected with the inner wall of the through hole (501) in a sliding manner, and the sliding plate (6) is connected with the inner wall of the through hole (501) through a plurality of springs (8); the upper end surface of the supporting plate (15) is provided with a through groove; and under the installation state of the carbon molecular sieve (3), the two ends of the carbon molecular sieve (3) are respectively clamped into the through groove and the opening (502) in a matching way.

4. An energy efficient nitrogen generator as claimed in claim 3, further comprising a plurality of gaskets (7); the sealing gaskets (7) are all arranged in the nitrogen generator box body (1), and the projection shape of each sealing gasket (7) is U-shaped; and when the carbon molecular sieve (3) is in the installation state, the carbon molecular sieve (3) compresses the inner circumferential surface of the sealing gasket (7).

5. The efficient energy-saving nitrogen making machine according to claim 1, wherein the nitrogen making machine box body (1) comprises a sound-absorbing plate (11), sound-absorbing cotton (12), a sound-absorbing pad (13) and an outer wall (14); the sound-absorbing plate (11), the sound-absorbing cotton (12), the sound-absorbing pad (13) and the outer wall (14) are sequentially arranged from inside to outside, and a plurality of sound-absorbing holes are formed in the inner circumferential surface of the sound-absorbing plate (11).

6. An energy-efficient nitrogen generator as claimed in claim 1 wherein each access door is provided with a sealing rubber ring.

7. An energy-efficient nitrogen generator as claimed in claim 1 wherein, the inner wall of each access door is provided with a resilient pad.

8. The efficient energy-saving nitrogen making machine according to claim 1, wherein the bottom surface of the nitrogen making machine box body (1) is provided with a plurality of universal wheels with brakes.