阅读说明：本技术 一种可提高氧气制备效率的制氧设备 (Oxygen making equipment capable of improving oxygen preparation efficiency ) 是由 吴天月 葛来香 于 2019-10-30 设计创作，主要内容包括：本发明公开了一种可提高氧气制备效率的制氧设备,包括空气过滤器、空气干燥器、空气压缩机、两个并联的制氧机以及用于储存氧气的储气罐,所述制氧机包括壳体,均匀设置于所述壳体内部的网筒以及放置于所述网筒内部的分子筛,所述网筒之间交错布置,所述网筒的任意一端上连接有带动其转动的驱动机构；所述驱动机构至少包括驱动装置以及与驱动装置连接的连接轴,所述连接轴与所述网筒固定连接；本发明通过设置驱动机构带动网筒进行转动,其在转动的同时可以加快壳体内的气体流动,且可以带动空气流流向网筒,从而可以提高分子筛的吸附效率和解吸效率,进而提高制氧效率。(The invention discloses oxygen generation equipment capable of improving oxygen preparation efficiency, which comprises an air filter, an air dryer, an air compressor, two oxygen generators connected in parallel and an air storage tank for storing oxygen, wherein each oxygen generator comprises a shell, net cylinders uniformly arranged in the shell and a molecular sieve placed in the net cylinders, the net cylinders are arranged in a staggered manner, and any one end of each net cylinder is connected with a driving mechanism for driving the net cylinder to rotate; the driving mechanism at least comprises a driving device and a connecting shaft connected with the driving device, and the connecting shaft is fixedly connected with the net drum; the driving mechanism is arranged to drive the net cylinder to rotate, so that the gas flow in the shell can be accelerated while the net cylinder rotates, and the air flow can be driven to flow to the net cylinder, so that the adsorption efficiency and desorption efficiency of the molecular sieve can be improved, and the oxygen generation efficiency is improved.)

1. An oxygen generation device capable of improving oxygen preparation efficiency comprises an air filter, an air dryer, an air compressor, two oxygen generators connected in parallel and a gas storage tank for storing oxygen, wherein the air filter, the air dryer, the air compressor, the oxygen generators and the gas storage tank are all connected through pipelines, the air compressor is respectively connected with the two oxygen generators, and the two oxygen generators are respectively connected with the gas storage tank; the method is characterized in that: the oxygen generator comprises a shell, net cylinders uniformly arranged in the shell and a molecular sieve placed in the net cylinders, wherein the net cylinders are arranged in a staggered manner, and any one end of each net cylinder is connected with a driving mechanism for driving the net cylinders to rotate; the driving mechanism at least comprises a driving device and a connecting shaft connected with the driving device, and the connecting shaft is fixedly connected with the net barrel.

2. An oxygen plant for increasing the efficiency of oxygen production as set forth in claim 1 wherein: the driving device is a motor, a rotating shaft is connected to the motor, a driving bevel gear is fixedly mounted on the rotating shaft, a driven bevel gear meshed with the driving bevel gear is fixedly arranged at the end of the connecting shaft, and the rotating shaft is connected with an output shaft of the motor through a coupler.

3. An oxygen plant for increasing the efficiency of oxygen production as set forth in claim 2 wherein: the driving device is arranged as an air cylinder, a worm is connected to the air cylinder, the worm is in bolted connection with a push rod of the air cylinder, a worm wheel is fixedly arranged at the end of the connecting shaft, and the worm is meshed with the worm wheel.

4. An oxygen plant for increasing the efficiency of oxygen production as set forth in claim 3 wherein: the outer portions of the rotating shaft, the driving bevel gear and the driven bevel gear are respectively provided with a dustproof shell, and the rotating shaft and the connecting shaft penetrate through the dustproof shells and are rotatably connected with the dustproof shells.

5. An oxygen primary oxygen-oxygen generator purification device capable of performing primary purification on oxygen according to claim 1, wherein: one end of the oxygen generator, which is close to the gas storage tank, is connected with a membrane separator for separating nitrogen and argon, the membrane separator comprises a cover body, a fixed shell and a hollow fiber membrane assembly arranged in the fixed shell, and the cover body is in threaded connection with the fixed shell.

6. An oxygen plant capable of increasing the efficiency of oxygen production according to claim 5 wherein: the inner side wall of the fixed shell is fixedly provided with an L-shaped step, and the outer side wall of the hollow fiber membrane component is fixedly provided with a fixed ring which is matched with the L-shaped step in a concave-convex manner.

7. An oxygen plant for increasing the efficiency of oxygen production as set forth in claim 6 wherein: the surface of the fixing ring is fixedly provided with a positioning column, and the surface of the L-shaped step is provided with a positioning hole which is matched with the positioning column for use so as to fix the hollow fiber membrane component.

Technical Field

The invention relates to the technical field of oxygen preparation, in particular to oxygen generation equipment capable of improving oxygen preparation efficiency.

Background

Oxygen is the most widely distributed element in nature and the most abundant element. Oxygen is required in hydrocarbon oxidation, wastewater treatment, metal cutting and welding, metallurgy, medical treatment, rocket propellants, and for animals and humans to breathe in aviation, aerospace, and diving. In the prior art, oxygen is usually prepared by a pressure swing adsorption method, and the principle is that a molecular sieve is used for adsorbing nitrogen in air, so that oxygen is separated from the air; or the molecular sieve is adopted to firstly adsorb oxygen in the air and then desorb the molecular sieve, thereby obtaining the oxygen.

However, in the existing pressure swing adsorption method, the molecular sieves are usually stacked in a sealed shell, air can only enter from the air inlet and then is discharged from the air outlet, gaps among the molecular sieves are small, and the air circulation rate is slowed, so that the adsorption and desorption efficiency is reduced, and the oxygen generation efficiency is further reduced.

Disclosure of Invention

The invention aims to provide oxygen generation equipment capable of improving oxygen preparation efficiency, which can effectively solve the technical problems.

In order to achieve the purpose of the invention, the following technical scheme is adopted:

an oxygen generation device capable of improving oxygen preparation efficiency comprises an air filter, an air dryer, an air compressor, two oxygen generators connected in parallel and a gas storage tank for storing oxygen, wherein the air filter, the air dryer, the air compressor, the oxygen generators and the gas storage tank are all connected through pipelines, the air compressor is respectively connected with the two oxygen generators, and the two oxygen generators are respectively connected with the gas storage tank; the oxygen generator comprises a shell, net cylinders uniformly arranged in the shell and a molecular sieve placed in the net cylinders, wherein the net cylinders are arranged in a staggered manner, and any one end of each net cylinder is connected with a driving mechanism for driving the net cylinders to rotate; the driving mechanism at least comprises a driving device and a connecting shaft connected with the driving device, and the connecting shaft is fixedly connected with the net barrel.

Preferably, the driving device is a motor, the motor is connected with a rotating shaft, a driving bevel gear is fixedly mounted on the rotating shaft, a driven bevel gear meshed with the driving bevel gear is fixedly arranged at the end of the connecting shaft, and the rotating shaft is connected with an output shaft of the motor through a coupler.

Preferably, the driving device is an air cylinder, a worm is connected to the air cylinder, the worm is in bolted connection with a push rod of the air cylinder, a worm wheel is fixedly arranged at the end of the connecting shaft, and the worm is meshed with the worm wheel.

Preferably, dustproof housings are arranged outside the rotating shaft, the driving bevel gear and the driven bevel gear, and the rotating shaft and the connecting shaft penetrate through the dustproof housings and are in rotating connection with the dustproof housings.

Preferably, one end of the oxygen generator, which is close to the gas storage tank, is connected with a membrane separator for separating nitrogen and argon, the membrane separator comprises a cover body, a fixed shell and a hollow fiber membrane assembly arranged in the fixed shell, and the cover body is in threaded connection with the fixed shell.

Preferably, an L-shaped step is fixedly arranged on the inner side wall of the fixed shell, and a fixing ring which is in concave-convex fit with the L-shaped step is fixedly arranged on the outer side wall of the hollow fiber membrane module.

Preferably, the surface of the fixing ring is fixedly provided with a positioning column, and the surface of the L-shaped step is provided with a positioning hole which is matched with the positioning column for use so as to fix the hollow fiber membrane assembly.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the mesh cylinder is arranged for containing the molecular sieve, and the driving mechanism is arranged for driving the mesh cylinder to rotate, so that the gas flow in the shell can be accelerated while the mesh cylinder rotates, and the air flow can be driven to flow to the mesh cylinder, so that the air is fully contacted with the molecular sieve, the adsorption efficiency and desorption efficiency of the molecular sieve can be improved, and the oxygen generation efficiency is further improved.

2. According to the invention, the net cylinders are arranged in a staggered manner, so that air is baffled and moves forward in the shell, the circulation space of the air can be increased, and the air stroke is increased, so that the contact time and the contact area of the air and the molecular sieve are increased, the oxygen adsorption capacity of the molecular sieve is improved, and the oxygen recovery rate can be further improved.

3. The membrane separator is arranged to separate nitrogen and argon in the waste gas generated by the oxygen generator, so that the membrane separator can prepare nitrogen and argon while preparing oxygen, and the membrane separator has more diversified functions and is easier to popularize and use.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic structural diagram of an oxygen generator with a motor as a driving device for improving oxygen production efficiency according to the present invention;

FIG. 2 is a schematic structural diagram of an oxygen generation apparatus with an electric cylinder as a driving device for improving oxygen production efficiency according to the present invention;

FIG. 3 is a schematic view of an exploded structure of a membrane separator in an oxygen generating apparatus for improving oxygen production efficiency according to the present invention;

fig. 4 is a sectional view of the stationary housing of fig. 3.

Numerical description in the figures:

1. an air filter; 2. an air dryer; 3. an air compressor;

4. an oxygen generator; 401. a housing; 402. a net drum; 403. a molecular sieve;

5. an oxygen storage tank; 6. a nitrogen storage tank; 7, an argon storage tank; 8. a connecting shaft; 9. a motor; 10. A rotating shaft; 11. a drive bevel gear; 12. a driven bevel gear; 13. a cylinder; 14. a worm; 15. a turbine; 16. a dust-proof housing;

17. a membrane separator; 1701. a cover body; 1702. a stationary housing; 1703. a hollow fiber membrane module; 1704. An L-shaped step; 1705. a fixing ring; 1706. a positioning column; 1707. and (7) positioning the holes.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the scope of the invention.

As shown in fig. 1 and fig. 2, the present invention provides an oxygen generating apparatus capable of improving oxygen generating efficiency, which includes an air filter 1, an air dryer 2, an air compressor 3, two oxygen generators 4 connected in parallel, and an air storage tank, wherein the air filter 1, the air dryer 2, the air compressor 3, the oxygen generators 4, and the air storage tank are all connected through a pipeline, and the air compressor 3 is respectively connected with the two oxygen generators 4; the number of the gas storage tanks is three, namely an oxygen storage tank 5, a nitrogen storage tank 6 and an argon storage tank 7; the two oxygen generators 4 are respectively connected with the oxygen storage tank 5. This technique is prior art and is not described herein. It should be noted that, in fig. 1 and fig. 2, V01-V09 are valves, so as to control the two oxygen generators 4 to alternatively perform oxygen generation.

The oxygen generator 4 comprises a shell 401, net cylinders 402 uniformly arranged in the shell 401 and molecular sieves 403 arranged in the net cylinders 402, wherein the net cylinders 402 are arranged in a staggered manner, on one hand, air moves forwards in the shell 401 in a baffling manner, so that the stroke is increased, on the other hand, the contact area between the air and the molecular sieves 403 can be increased, and the oxygen adsorption capacity of the molecular sieves 403 is increased. Wherein the molecular sieve 403 used in this embodiment is a 5A molecular sieve, and each shell 401 has 8 mesh cylinders 402, and of course, the number of mesh cylinders 402 can be increased or decreased as required in the actual production process.

Any end of the net cylinder 402 is connected with a driving mechanism for driving the net cylinder to rotate, the driving mechanism at least comprises a driving device and a connecting shaft 8 connected with the driving device, the connecting shaft 8 is fixedly connected with the net cylinder 402, concretely, one end of the connecting shaft 8 is inserted into the net cylinder 402 and then is perpendicular to a fixing rod of the connecting shaft 8 and the net cylinder 402, the driving device is connected with the connecting shaft 8, so that the driving device can drive the net cylinder 402 to rotate through the connecting shaft 8, the molecular sieve 403 is enabled to rotate, the molecular sieve 403 is enabled to be in full contact with air, and the oxygen adsorption capacity of the molecular sieve is improved.

The driving device is a motor 9, a rotating shaft 10 is connected to the motor 9, a driving bevel gear 11 is fixedly mounted on the rotating shaft 10, a driven bevel gear 12 meshed with the driving bevel gear 11 is fixedly arranged at the end of the connecting shaft 8, the rotating shaft 10 is connected with an output shaft of the motor 9 through a coupler, so that the motor 9 can drive the driving bevel gear 11 to rotate through the rotating shaft 10, and the driven bevel gear 12 rotates along with the driving bevel gear, so that the connecting shaft 8 rotates.

The driving device can also be set as an air cylinder 13, the air cylinder 13 is connected with a worm 14, the worm 14 is in bolt connection with a push rod of the air cylinder 13, a worm wheel 15 is fixedly arranged at the end part of the connecting shaft 8, the worm 14 is meshed with the worm wheel 15, so that the air cylinder 13 can drive the worm 14 to reciprocate, the rotating shaft 10 periodically rotates forwards and backwards, the mesh cylinder 402 can be driven to periodically rotate forwards and backwards, the mesh cylinder 402 can accelerate the gas flow in the shell 401 while rotating, and can drive the air flow to the mesh cylinder 402, and the adsorption efficiency and the desorption efficiency can be further improved.

The outer portions of the rotating shaft 10, the drive bevel gear 11 and the driven bevel gear 12 are all provided with dustproof housings 16, the rotating shaft 10 and the connecting shaft 8 penetrate through the dustproof housings 16 and are connected with the dustproof housings in a rotating mode, so that the rotating shaft 10, the drive bevel gear 11 and the driven bevel gear 12 can be protected, similarly, the outer portions of the worm 14 and the turbine 15 are provided with the dustproof housings 16, and the dustproof housings 16 can be connected with the housing 401 through supporting rods. It should be noted that, the apparatus is further provided with a frame for mounting the motor 9 or the electric cylinder, wherein the frame and the mounting manner can be selected according to the needs, which is the prior art and therefore not described herein again.

In addition, one ends of the two oxygen generators 4 close to the gas storage tank are provided with membrane separators 17, and the membrane separators 17 are respectively connected with the two oxygen generators 4; the membrane separator 17 is used for separating nitrogen and argon in waste gas generated by the oxygen generator, so that the device can prepare nitrogen and argon while preparing oxygen, the bottom of the membrane separator 17 is provided with an air inlet communicated with the oxygen generator 4, the top of the membrane separator is provided with a first air outlet communicated with the nitrogen storage tank 6, and the lower end of the membrane separator is provided with a second air outlet communicated with the argon storage tank 7.

As shown in fig. 3 and 4, the membrane separator 17 includes a cover body 1701, a stationary housing 1702, and a hollow fiber membrane module 1703 placed in the stationary housing 1702, the cover body 1701 being screw-coupled with the stationary housing 1702. An L-shaped step 1704 is integrally connected to the inner side wall of the fixed casing 1702, a fixing ring 1705 which is in concave-convex fit with the L-shaped step 1704 is fixedly arranged on the outer side wall of the hollow fiber membrane module 1703, a positioning column 1706 is integrally connected to the upper surface of the fixing ring 1705, and a positioning hole 1707 which is used in cooperation with the positioning column 1706 to fix the hollow fiber membrane module 1703 is formed in the L-shaped step 1704. It should be noted here that the separation principle of the membrane separator 17 is common knowledge in the art and is not described herein.

The working principle of the device is as follows: air is firstly subjected to impurity removal and drying through an air filter 1 and an air dryer 2, then the pressure of the air is increased through an air compressor 3, and finally the air enters an oxygen generator 4. After air admission oxygenerator 4, the 5A molecular sieve that holds in the net section of thick bamboo 402 can adsorb the oxygen in the air, opens actuating mechanism simultaneously at this in-process and drives net section of thick bamboo 402 and rotate, one side alright in order to accelerate circulation of air speed, improve oxygen adsorption efficiency, another convenience, can drive in the air flow direction net section of thick bamboo 402 when net section of thick bamboo 402 rotates to can improve the adsorption capacity of oxygen, and then improve the rate of recovery of oxygen. The waste gas that 4 machines produced of system oxygen got into membrane separator 17 in the system oxygen process to under membrane separator 17's effect, separate through nitrogen gas and argon gas in the waste gas, and collect nitrogen gas and argon gas respectively and store in nitrogen gas holder 6 and argon gas holder 7. In the process, the two oxygen generators 4 work alternately to adsorb and desorb oxygen in the air, and output the oxygen generated by desorption to the oxygen storage tank 5 for storage.

Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.