CN220939888U - Modularized oxygen production system - Google Patents
Modularized oxygen production system Download PDFInfo
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- CN220939888U CN220939888U CN202322739493.8U CN202322739493U CN220939888U CN 220939888 U CN220939888 U CN 220939888U CN 202322739493 U CN202322739493 U CN 202322739493U CN 220939888 U CN220939888 U CN 220939888U
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- 239000001301 oxygen Substances 0.000 title claims abstract description 299
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 299
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 296
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 229910052757 nitrogen Inorganic materials 0.000 claims description 21
- 239000002808 molecular sieve Substances 0.000 claims description 18
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 229910001868 water Inorganic materials 0.000 claims description 9
- 230000003584 silencer Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000002000 scavenging effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 3
- 150000002926 oxygen Chemical class 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Landscapes
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model provides a modularized oxygen generation system, which comprises an oxygen generation module and a pressurizing module, wherein the oxygen generation module comprises an oxygen generation host module with a control screen and a plurality of oxygen generation auxiliary machine modules, and the oxygen generation host module, the oxygen generation auxiliary machine modules and the pressurizing module are all independent structural units; the oxygen generating main machine module and the oxygen generating auxiliary machine modules comprise an air compressor, a condenser, an oxygen generating main machine and a control unit, the control unit of each oxygen generating auxiliary machine module is connected to the control unit of the oxygen generating main machine module through a signal wire, the oxygen generated by the oxygen generating main machine modules and the oxygen generated by the oxygen generating main machines corresponding to each oxygen generating auxiliary machine module are unified and controlled by the control unit of the oxygen generating main machine modules, and the oxygen generated by the oxygen generating main machine corresponding to each oxygen generating auxiliary machine module is collected through a pipeline and then is sent to the pressurizing module; the supercharging module comprises a supercharger and a plurality of groups of air storage tanks which are arranged in series, and the supercharger is used for supercharging oxygen and then sending the oxygen into the air storage tanks. The modules are mutually independent, and can be assembled according to the requirements of users so as to meet the use requirements of oxygen production.
Description
Technical Field
The utility model mainly relates to the technical field related to oxygenerators, in particular to a modularized oxygen generation system.
Background
The pressure swing adsorption oxygen generating equipment (also called as PSA oxygen generating equipment) selectively adsorbs impurities such as nitrogen, carbon dioxide and water in the air by utilizing a molecular sieve special for the PSA under the condition of normal temperature and normal pressure, so as to obtain the oxygen with higher purity (93% +/-3).
The PSA oxygen production system mainly comprises an air compressor, an air cooler, an air buffer tank, a switching valve, an absorber, an oxygen balance tank and the like. At present, along with the gradual maturity of PSA pressure swing adsorption technology, the oxygen concentrators with the traditional oxygen output of 3, 5 and 10L/min are greatly appeared on the market and are stable in operation. But limited by the structure of the oxygenerator and the limitation of the air inlet and outlet amount, the current oxygenerator with the oxygen outlet amount reaching 20L/min is not mature in the market of the oxygenerator, and the volume of the oxygenerator needs to be greatly increased if the larger oxygen outlet amount is required to be obtained, so that the oxygenerator has large occupied area and high cost, and the use requirements of some hospitals cannot be well met.
The oxygen production amount of the oxygen production system can be improved through the mode of combining the oxygenerator, but in the traditional combined oxygen production system, independent customization is required according to the demands of users, different flow demands have independent design schemes, standardized and modularized designs cannot be formed, effective expansion cannot be performed, the supply period is longer, the equipment cost is higher, and therefore the oxygen production system capable of being rapidly assembled in a modularized mode and produced in a standardized mode is required to be designed to meet the use demands of the users.
Disclosure of utility model
In order to solve the defects of the prior art, the utility model combines the prior art, and provides a modularized oxygen production system from practical application, wherein each module is mutually independent, and the combined installation of the modules can be carried out according to the requirements of users so as to meet the use requirements of oxygen production.
The technical scheme of the utility model is as follows:
The modularized oxygen generation system comprises an oxygen generation module and a pressurizing module, wherein the oxygen generation module comprises an oxygen generation host module with a control screen and a plurality of oxygen generation auxiliary machine modules, and the oxygen generation host module, the oxygen generation auxiliary machine modules and the pressurizing module are all independent structural units;
The oxygen generating main machine module and the oxygen generating auxiliary machine modules comprise an air compressor, a condenser, an oxygen generating main machine and a control unit, the control unit of each oxygen generating auxiliary machine module is connected to the control unit of the oxygen generating main machine module through a signal wire, the oxygen generated by the oxygen generating main machine modules and the oxygen generated by the oxygen generating main machines corresponding to each oxygen generating auxiliary machine module are unified and controlled by the control unit of the oxygen generating main machine modules, and the oxygen generated by the oxygen generating main machine corresponding to each oxygen generating auxiliary machine module is collected through a pipeline and then is sent to the pressurizing module;
the supercharging module comprises a supercharger and a plurality of groups of air storage tanks which are arranged in series, and the supercharger is used for supercharging oxygen and then sending the oxygen into the air storage tanks.
Further, the oxygen-making host machine module and the oxygen-making auxiliary machine module both further comprise an air inlet filter and a fan, air enters the air compressor through the air inlet filter, then reaches the oxygen-making host machine through the condenser, and the fan is arranged between the condenser and the air compressor.
Further, the oxygen generating host machine module, the oxygen generating auxiliary machine module and the pressurizing module all comprise independent shells, the shells of the oxygen generating host machine module and the oxygen generating auxiliary machine module are divided into an upper layer, a middle layer and a lower layer, the upper layer is provided with a control unit, the middle layer is provided with an oxygen generating host machine, and the lower layer is provided with an air compressor and a condenser.
Further, the oxygen-making host machine module and the pressurizing module are respectively arranged on two sides, the oxygen-making auxiliary machine module is sequentially arranged between the oxygen-making host machine module and the pressurizing module, and lockable idler wheels are arranged at the bottoms of the oxygen-making host machine module, the oxygen-making auxiliary machine module and the pressurizing module.
Further, the gas storage tank is provided with a pressure gauge, the control unit of the oxygen generation host machine module is provided with a pressure detection module, the pressure detection module is communicated with the gas storage tank through a pipeline, and the control unit of the oxygen generation host machine module controls the operation of the oxygen generation system through the pressure of the gas storage tank.
Further, a pressure stabilizing valve and a stop valve are arranged on a pipeline, corresponding to the oxygen generating main machine module and the oxygen generating auxiliary machine module, of the oxygen generating main machine and the pressurizing module, and a stop valve is arranged at an outlet of the air storage tank.
Further, the oxygen-generating host comprises an adsorption tower, an air inlet nitrogen discharge pipeline and an oxygen outlet pipeline, wherein the adsorption tower comprises a tower body, an upper end cover and a lower end cover, the tower body comprises an A tower, a B tower and an oxygen cache tank, and molecular sieves are arranged in the A tower and the B tower;
The air inlet nitrogen discharge pipeline comprises a first electromagnetic valve and a second electromagnetic valve which are used in parallel, and the first electromagnetic valve and the second electromagnetic valve are two-position four-way electromagnetic valves;
The air inlets of the first electromagnetic valve and the second electromagnetic valve are connected with the outlet of the condenser, the air outlets of the first electromagnetic valve and the second electromagnetic valve are respectively connected with the nitrogen discharge pipeline, the two working ports of the first electromagnetic valve are respectively connected with the air inlet and the air outlet at the bottoms of the tower A and the tower B, and the two working ports of the second electromagnetic valve are respectively connected with the air inlet and the air outlet at the bottoms of the tower A and the tower B;
The oxygen pipeline comprises an A tower oxygen outlet pipe and a B tower oxygen outlet pipe, one end of the A tower oxygen outlet pipe is communicated with an oxygen outlet at the top of the A tower, one end of the B tower oxygen outlet pipe is communicated with an oxygen outlet at the top of the B tower, the other ends of the A tower oxygen outlet pipe and the B tower oxygen outlet pipe are communicated with an oxygen inlet at the bottom of an oxygen cache tank after being converged, the oxygen outlets at the top of the oxygen cache tank are connected with a total oxygen outlet pipeline, and the total oxygen outlet pipelines of all oxygen production hosts are connected to a pressurizing module after being summarized.
Further, a first water removing filter is arranged at the front part of the air inlet, which is used for connecting with an air source, of the first electromagnetic valve, and a second water removing filter is arranged at the front part of the air inlet, which is used for connecting with the air source, of the second electromagnetic valve; the end of the nitrogen discharge pipeline connected with the first electromagnetic valve is provided with a first silencer, and the end of the nitrogen discharge pipeline connected with the second electromagnetic valve is provided with a second silencer.
Further, the air inlet and outlet at the bottom of the tower A and the air inlet and outlet at the bottom of the tower B are respectively provided with a three-way pipe joint, the three-way pipe joint at the tower A is used for enabling the air inlet and outlet of the tower A, one of the working ports of the first electromagnetic valve and one of the working ports of the second electromagnetic valve to be communicated, and the three-way pipe joint at the tower B is used for enabling the air inlet and outlet of the tower B, the other working port of the first electromagnetic valve and the other working port of the second electromagnetic valve to be communicated; the oxygen outlet pipeline further comprises a pressure equalizing valve, and two ports of the pressure equalizing valve are respectively connected with the oxygen outlet pipe of the tower A and the oxygen outlet pipe of the tower B.
Further, the oxygen-making host machine module and the oxygen-making auxiliary machine module comprise two air compressors and two condensers, the two condensers are respectively connected with the corresponding air compressors, an air inlet of the first electromagnetic valve is connected with one condenser outlet, and an air inlet of the second electromagnetic valve is connected with the other condenser outlet.
The utility model has the beneficial effects that:
1. The utility model adopts a modularized assembly mode to realize an oxygen generation system, the system is composed of a plurality of oxygen generation host machine modules and a pressurizing module, the oxygen generation host machine modules, the oxygen generation auxiliary machine modules and the pressurizing module are uniformly allocated and controlled, the oxygen generation host machine modules, the oxygen generation auxiliary machine modules and the pressurizing module are mutually independent, the oxygen generation host machine modules and the oxygen generation auxiliary machine modules can be used as independent whole bodies for independent oxygen generation, or can be used for merging oxygen through pipelines and then sending the merged oxygen into the pressurizing module for pressurizing storage in a combined mode, and under the condition that the oxygen output of a single oxygen generation host machine module or the oxygen generation auxiliary machine module is 20L/min, the pressurizing requirement of the oxygen generation module with the oxygen output of 20L/min, 40L/min, 60L/min can be realized through rapid combination.
2. In the utility model, the oxygen-making host machine module, the oxygen-making auxiliary machine modules and the pressurizing module are all independent unit structures, can realize independent or combined work, and each structural unit adopts independent design to carry out standardized production and stock, and in the design process, the required unit structure can be directly moved to the site according to the demand of a customer order, and the oxygen-making host machine module, the oxygen-making auxiliary machine modules and the pressurizing module are connected through a pipeline combination, thereby being convenient and quick and greatly reducing the supply period and the production cost.
3. In the utility model, the overall structure is reasonable in layout, and each unit structure is provided with an independent movable shell, so that the movable shell is convenient to move and assemble and subsequent maintenance work.
4. According to the utility model, the oxygen generating host machine is designed autonomously, the air inlet and the nitrogen discharge control of the oxygen generating host machine are realized through two independent two-position four-way electromagnetic valves which are used in parallel, the air inlet and the air discharge can be increased, the oxygen output of a single oxygen generating host machine is improved to 20L/min, and the two-position four-way electromagnetic valves are provided with low-cost universal valves, so that the oxygen generating host machine has lower use cost and smaller occupied area under the condition of the same oxygen output.
5. According to the utility model, aiming at the structure of the oxygen generating host, each oxygen generating host is provided with two air compressors and a refrigerator, and each electromagnetic valve corresponds to one air compressor and one refrigerator, so that the air inflow can be ensured, and the oxygen output of a single oxygen generating host is improved to 20L/min.
Drawings
FIG. 1 is a schematic diagram showing the arrangement of an oxygen generating system in example 1;
FIG. 2 is a schematic view of the internal structure of the oxygen generating system of example 1 (the front);
FIG. 3 is a schematic view showing the internal structure of the oxygen generating system of example 1 (hereinafter);
FIG. 4 is a block diagram of an independent oxygen generating main engine module or an oxygen generating auxiliary engine module in embodiment 1;
FIG. 5 is a partial block diagram of an oxygen generating main unit module or an oxygen generating auxiliary unit module alone in embodiment 1;
FIG. 6 is a schematic view of the structure of the pressurizing module in the embodiment 1;
FIG. 7 is a schematic diagram showing the structure of an oxygen generating main machine in embodiment 2;
FIG. 8 is a schematic diagram showing the three-dimensional structure of the oxygen generating main machine in example 2;
FIG. 9 is a schematic diagram showing a three-dimensional structure of an oxygen generating main machine in embodiment 2;
FIG. 10 is a schematic diagram of the structure of an adsorption tower of the oxygen generating main machine of example 2;
FIG. 11 is a schematic diagram of the structure of the oxygen generating main machine in example 2;
FIG. 12 is a schematic diagram of the structure of the upper end cap of the oxygen generating main machine in example 2;
FIG. 13 is a schematic view of the structure of the molecular sieve top baffle assembly of the oxygen-generating host machine of example 2.
The reference numbers shown in the drawings:
1. An oxygen generation host module; 2. an oxygen-generating auxiliary machine module; 3. a pressurizing module; 4. an air compressor; 5. a fan; 6. a condenser; 7. an oxygen-generating host; 8. a control unit; 9. a gas storage tank; 10. a supercharger; 11. an intake air filter; 12. a display screen;
71. An adsorption tower; 72. a total oxygen outlet pipeline; 73. a first electromagnetic valve; 74. a second electromagnetic valve; 75. a first water removal filter; 76. a second water removal filter; 77. a pressure equalizing valve; 78. an oxygen outlet pipe of the tower A; 79. an oxygen outlet pipe of the tower B; 710. a tower A; 711. an oxygen buffer tank; 712. a tower B; 713. a second muffler; 714. a first muffler; 715. an upper end cap; 716. a spring; 717. a molecular sieve upper baffle assembly; 718. a molecular sieve lower baffle assembly; 719. a lower end cap; 720. an air flow channel.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.
Example 1
The embodiment provides a modularized oxygen generation system, which can be used in combination by modularized standard design, and is provided with a pressurizing module and can be used by a hospital device with an oxygen terminal.
Referring to fig. 1 to 6, the modular oxygen generating system of the present embodiment has the following main structure.
The system comprises an oxygen generation module and a pressurizing module 3, wherein the oxygen generation module comprises an oxygen generation host module 1 with a control screen 12 and a plurality of oxygen generation auxiliary machine modules 2, in a specific implementation manner provided by the embodiment, three oxygen generation auxiliary machine modules 2 are matched with one oxygen generation host module 1, and under the condition that the oxygen output of the oxygen generation host module 1 and the oxygen generation auxiliary machine modules 2 is 20L/min, the oxygen output of 80L/min can be realized through the combination, and the oxygen generation auxiliary machine modules 2 can be adjusted according to the actual use requirement.
In this embodiment, the oxygen generating main machine module 1 and the oxygen generating auxiliary machine module 2 are both of separate unit structures, that is, the oxygen generating main machine module 1 can perform separate oxygen generating operation, the oxygen generating auxiliary machine module 2 can also perform separate oxygen generating operation, and the pressurizing module 3 is used as a separate structural unit for pressurizing oxygen.
The oxygen-making host machine module 1 and the oxygen-making auxiliary machine modules 2 have the same overall structure principle, the oxygen-making host machine module 1 and the oxygen-making auxiliary machine modules 2 can be controlled independently, and when a plurality of oxygen-making host machine modules are combined for use, the difference is only that the oxygen-making auxiliary machine modules 2 are uniformly controlled through the oxygen-making host machine module 1, and the oxygen-making host machine is provided with a touch screen 12 for controlling and displaying the start, stop and state of each module. The oxygen generating main machine module 1 and each oxygen generating auxiliary machine module 2 are shown with reference to fig. 2 and 3, and each oxygen generating main machine module 1 and each oxygen generating auxiliary machine module 2 comprise an air inlet filter 11, an air compressor 4, a condenser 6, a fan 5, an oxygen generating main machine 7 and a control unit 8, and in a combined use state, the control units 8 of each oxygen generating auxiliary machine module 2 are connected to the control units 8 of the oxygen generating main machine module 1 through signal lines, and are uniformly controlled by the control units 8 of the oxygen generating main machine module 1.
Referring to fig. 4 and 5, in this embodiment, in order to match the air intake requirement of the oxygen generating host 7 of embodiment 2 (the oxygen generating host 7 can reach an oxygen output of 20L/min), two sets of air intake filters 11, air compressor 4, condenser 6 and fan 5 are provided for increasing the air intake requirement. In the specific operation process, air passes through the air inlet filter 11 to the air inlet of the air compressor 4, reaches the inlet of the condenser 6 from the outlet of the air compressor 4, and reaches the air inlet of the oxygen generating host 7 from the outlet of the condenser 4. The oxygen-making host machines 7 are provided with two-position four-way valves, the compressed air is controlled to quantitatively and regularly enter the adsorption tower, oxygen produced by each oxygen-making host machine 7 is stabilized by the pressure stabilizing valve and then is gathered into a pipeline to enter the air inlet of the pressurizing module 3, and the pipeline is provided with a stop valve for controlling the pipeline to run.
Referring to fig. 6, in this embodiment, the pressurizing module 3 mainly includes a supercharger 10 and a plurality of sets of air tanks 9 arranged in series, an inlet of each air tank 9 is connected with an air outlet of the supercharger 10, an outlet of each air tank 9 is provided with a stop valve for adjusting an air outlet amount, and oxygen produced by each oxygen producing host 7 is converged and then fed into an air inlet of the supercharger 10. Meanwhile, the air storage tank 9 is provided with a pressure interface, is connected to a pressure detection module of the control unit 8, and controls the operation of the whole machine through the pressure of the air storage tank.
In this embodiment, the oxygen generating main machine module 1, the oxygen generating auxiliary machine module 2 and the pressurizing module 3 are all independent structural units, and can be independently operated or used in combination, and each module can be independently moved. Each unit module comprises an independent shell, the oxygen generating host module 1 and the pressurizing module 3 are respectively arranged on two sides, the oxygen generating host module 1 and the pressurizing module 3 are sequentially provided with the required oxygen generating auxiliary machine module 2 according to the number requirement, and the bottom of the shell of each module is provided with a lockable roller so as to conveniently adjust and move each module. Specifically, the casing of system oxygen host computer module 1, system oxygen auxiliary engine module 2 divide into upper, well, lower three-layer, and the upper strata sets up control unit 8, and the middle level sets up system oxygen host computer 7, and the lower floor sets up air compressor machine 4, condenser 6, and the bottom of pressurization module 3 sets up compressor 10, and overall structure overall arrangement is compact reasonable, sets up the access door on each casing, the change of convenient maintenance and consumptive material.
In the above-mentioned structure of this embodiment, each module adopts independent structural design, can operate alone, can also select the quantity of equipment oxygen making auxiliary engine module 2 according to the demand of play oxygen volume, only need connect relevant signal line and trachea during the combination can, convenient and fast. Due to the standardized and modularized structural design, batch stock can be carried out in the early stage, and then the goods can be shipped and assembled according to the requirements of users. And each module is independently designed, and when a problem occurs in a certain link, independent maintenance can be carried out.
Example 2
This embodiment provides a structure of an oxygen generating host 7 that can be used in embodiment 1. The oxygen generating host machine 7 can achieve the oxygen generating amount of 20L/min, has reasonable structural design and strong universality, and can be configured in the oxygen generating host machine module 1 and the oxygen generating auxiliary machine module 2 for use.
Referring to fig. 7-9, the oxygen generating main unit 7 of the present embodiment mainly includes an adsorption tower 71, an air intake and nitrogen exhaust pipeline, and an oxygen outlet pipeline. The adsorption tower 71 comprises a tower body, an upper end cover 715 and a lower end cover 719, wherein the tower body comprises an A tower 710, a B tower 712 and an oxygen buffer tank 711, and molecular sieves are arranged in the A tower 710 and the B tower 712. The upper parts of the tower A710, the tower B712 and the oxygen cache tank 711 are closed by an upper end cover 715, the upper end cover 715 is provided with corresponding interfaces, the interfaces are the oxygen outlets of the tower A710, the tower B712 and the oxygen cache tank 711, the lower parts of the tower A710, the tower B712 and the oxygen cache tank 711 are closed by a lower end cover 719, the lower end cover 719 is provided with corresponding interfaces, and the interfaces are the air inlet and outlet of the tower A710 and the tower B712 and the oxygen inlet of the oxygen cache tank 711.
In this embodiment, the intake and nitrogen removal pipeline is mainly used for intake of air to the a tower 710 and the B tower 712 and nitrogen removal of the a tower 710 and the B tower 712. The intake and nitrogen removal pipeline mainly comprises a first electromagnetic valve 73, a second electromagnetic valve 74, a three-way pipe joint, a connecting pipe and the like which are used in parallel. The first electromagnetic valve 73 and the second electromagnetic valve 74 are two-position four-way electromagnetic valves, and are common low-cost universal valves, and the first electromagnetic valve 73 and the second electromagnetic valve 74 are supported and installed through a bracket arranged at the front part of the adsorption tower 71. The air inlets of the first solenoid valve 73 and the second solenoid valve 74 are respectively used for connecting the corresponding condensers 6, and a first water removal filter 75 and a second water removal filter 76 are respectively arranged before air intake. The exhaust ports of the first electromagnetic valve 73 and the second electromagnetic valve 74 are respectively connected with a nitrogen discharge pipeline, the nitrogen discharge pipeline is used for discharging nitrogen to the atmosphere, and the nitrogen discharge pipeline is respectively provided with a first silencer 714 and a second silencer 713, so that the silencing effect of the equipment is ensured. The two working ports of the first electromagnetic valve 73 are respectively connected with the air inlet and outlet ports at the bottoms of the A tower 710 and the B tower 712, the two working ports of the second electromagnetic valve 74 are respectively connected with the air inlet and outlet ports at the bottoms of the A tower 710 and the B tower 712, specifically, three-way pipe joints are arranged at the air inlet and outlet ports corresponding to the lower end covers 719 of the A tower 710 and the B tower 712, the three-way pipe joints at the A tower 710 are used for enabling the air inlet and outlet ports of the A tower 710, one of the working ports of the first electromagnetic valve 73 and one of the working ports of the second electromagnetic valve 74 to be communicated, and the three-way pipe joints at the B tower 712 are used for enabling the air inlet and outlet ports of the B tower 712, the other working port of the first electromagnetic valve 73 and the other working port of the second electromagnetic valve 74 to be communicated.
In the above structure of the embodiment, the first electromagnetic valve 73 and the second electromagnetic valve 74 have the air inlet position and the air outlet position, when the a tower 710 is in air inlet, the B tower 712 is in nitrogen removal, the a tower 710 is in air inlet through the working ports of the first electromagnetic valve 73 and the second electromagnetic valve 74, the B tower 712 is in air outlet through the other working ports of the first electromagnetic valve 73 and the second electromagnetic valve 74, and vice versa, the two electromagnetic valves are used in parallel, so that the air inlet and outlet amount can be increased, and the air inlet and outlet amount requirement that the oxygen outlet amount of a single oxygen generator reaches 20L/min can be met.
In this embodiment, the oxygen outlet pipeline mainly includes an a-tower oxygen outlet pipe 78 and a B-tower oxygen outlet pipe 79, one end of the a-tower oxygen outlet pipe 79 is communicated with an oxygen outlet at the top of the a-tower 710, one end of the B-tower oxygen outlet pipe 79 is communicated with an oxygen outlet at the top of the B-tower 712, the other ends of the a-tower oxygen outlet pipe 78 and the B-tower oxygen outlet pipe 79 are converged through a tee joint and then communicated with an oxygen inlet at the bottom of the oxygen buffer tank 711, oxygen generated by the a-tower 710 and the B-tower 712 enters the oxygen buffer tank 711 for temporary storage, and the oxygen outlet at the top of the oxygen buffer tank 711 is connected with the total oxygen outlet pipeline 72. The tower A oxygen outlet pipe 78 and the tower B oxygen outlet pipe 79 are communicated through a pressure equalizing valve 77, and a one-way valve is arranged on the corresponding pipeline. A small section of back-blowing pipe is arranged below the pressure equalizing valve 77, and the oxygen concentration in the back-blowing pipe is ensured not to drop through a flow limiting structure.
Referring to fig. 10 to 13, in the present embodiment, there is also provided a specific structure of the adsorption tower 71. The a tower 710 and the B tower 712 are respectively disposed at two sides of the oxygen buffer tank 711, and the a tower 710, the B tower 712 and the oxygen buffer tank 711 are three independent cavities, and are integrally formed. The upper part of the A column 710 and the B column 712 are respectively provided with a molecular sieve upper baffle assembly 717, the lower part is respectively provided with a molecular sieve lower baffle assembly 718, and the molecular sieves are arranged between the molecular sieve upper baffle assembly 717 and the molecular sieve lower baffle assembly 718. The molecular sieve upper baffle assembly 717 and the molecular sieve lower baffle assembly 718 are configured as shown in fig. 13, and mainly comprise a baffle 721, a sealing screen, a sealing ring 722, and a felt cloth, wherein the baffle 721, the screen, and the felt cloth are adhered together to prevent the molecular sieve from running off together with the sealing ring 722. Wherein, a spring 716 is arranged between the molecular sieve upper baffle assembly 717 and the upper end cover 715, and the molecular sieve is pressed by the elastic force of the spring 716.
In a preferred embodiment provided in this embodiment, referring to fig. 12, gas flow channels 720 are disposed on the upper end cover 715 and the lower end cover 719 corresponding to the positions of the chambers of the a tower 710 and the B tower 712, and the gas flow is uniformly distributed to the cross section of the adsorption tower through the flow channels, and then is uniformly distributed to the whole molecular sieve chamber.
Claims (10)
1. The modularized oxygen generation system comprises an oxygen generation module and a pressurizing module, and is characterized in that the oxygen generation module comprises an oxygen generation host module with a control screen and a plurality of oxygen generation auxiliary machine modules, and the oxygen generation host module, the oxygen generation auxiliary machine modules and the pressurizing module are all independent structural units;
The oxygen generating main machine module and the oxygen generating auxiliary machine modules comprise an air compressor, a condenser, an oxygen generating main machine and a control unit, the control unit of each oxygen generating auxiliary machine module is connected to the control unit of the oxygen generating main machine module through a signal wire, the oxygen generated by the oxygen generating main machine modules and the oxygen generated by the oxygen generating main machines corresponding to each oxygen generating auxiliary machine module are unified and controlled by the control unit of the oxygen generating main machine modules, and the oxygen generated by the oxygen generating main machine corresponding to each oxygen generating auxiliary machine module is collected through a pipeline and then is sent to the pressurizing module;
the supercharging module comprises a supercharger and a plurality of groups of air storage tanks which are arranged in series, and the supercharger is used for supercharging oxygen and then sending the oxygen into the air storage tanks.
2. The modular oxygen generating system of claim 1, wherein the oxygen generating host module and the oxygen generating auxiliary module each further comprise an air inlet filter through which air enters the air compressor and passes through the condenser to reach the oxygen generating host, and a fan disposed between the condenser and the air compressor.
3. The modular oxygen generating system of claim 1, wherein the oxygen generating host module, the oxygen generating auxiliary machine module and the pressurizing module comprise independent shells, the shells of the oxygen generating host module and the oxygen generating auxiliary machine module are divided into an upper layer, a middle layer and a lower layer, the upper layer is provided with a control unit, the middle layer is provided with an oxygen generating host, and the lower layer is provided with an air compressor and a condenser.
4. A modular oxygen generating system according to claim 3, wherein the oxygen generating host module and the pressurizing module are respectively arranged at two sides, the oxygen generating auxiliary machine module is sequentially arranged between the oxygen generating host module and the pressurizing module, and lockable rollers are respectively arranged at the bottoms of the oxygen generating host module, the oxygen generating auxiliary machine module and the pressurizing module.
5. A modular oxygen generating system as claimed in claim 1, wherein the air tank has a pressure gauge, the control unit of the oxygen generating host module has a pressure detection module, the pressure detection module is communicated with the air tank through a pipeline, and the control unit of the oxygen generating host module controls the operation of the oxygen generating system through the pressure of the air tank.
6. The modularized oxygen generation system according to claim 1, wherein a pressure stabilizing valve and a stop valve are arranged on a pipeline, which is connected with the pressurizing module, of the oxygen generation host machine corresponding to the oxygen generation host machine module and the oxygen generation auxiliary machine module, and a stop valve is arranged at an outlet of the air storage tank.
7. The modular oxygen generation system of any one of claims 1-6, wherein the oxygen generation host comprises an adsorption tower, an air inlet nitrogen removal pipeline and an oxygen outlet pipeline, the adsorption tower comprises a tower body, an upper end cover and a lower end cover, the tower body comprises an a tower, a B tower and an oxygen cache tank, and molecular sieves are arranged in the a tower and the B tower;
The air inlet nitrogen discharge pipeline comprises a first electromagnetic valve and a second electromagnetic valve which are used in parallel, and the first electromagnetic valve and the second electromagnetic valve are two-position four-way electromagnetic valves;
The air inlets of the first electromagnetic valve and the second electromagnetic valve are connected with the outlet of the condenser, the air outlets of the first electromagnetic valve and the second electromagnetic valve are respectively connected with the nitrogen discharge pipeline, the two working ports of the first electromagnetic valve are respectively connected with the air inlet and the air outlet at the bottoms of the tower A and the tower B, and the two working ports of the second electromagnetic valve are respectively connected with the air inlet and the air outlet at the bottoms of the tower A and the tower B;
The oxygen pipeline comprises an A tower oxygen outlet pipe and a B tower oxygen outlet pipe, one end of the A tower oxygen outlet pipe is communicated with an oxygen outlet at the top of the A tower, one end of the B tower oxygen outlet pipe is communicated with an oxygen outlet at the top of the B tower, the other ends of the A tower oxygen outlet pipe and the B tower oxygen outlet pipe are communicated with an oxygen inlet at the bottom of an oxygen cache tank after being converged, the oxygen outlets at the top of the oxygen cache tank are connected with a total oxygen outlet pipeline, and the total oxygen outlet pipelines of all oxygen production hosts are connected to a pressurizing module after being summarized.
8. A modular oxygen generating system as recited in claim 7, wherein the first solenoid valve is configured to be coupled to a first water scavenging filter at a front portion of the air inlet of the air source, and the second solenoid valve is configured to be coupled to a second water scavenging filter at a front portion of the air inlet of the air source; the end of the nitrogen discharge pipeline connected with the first electromagnetic valve is provided with a first silencer, and the end of the nitrogen discharge pipeline connected with the second electromagnetic valve is provided with a second silencer.
9. The modular oxygen generating system of claim 7, wherein the air inlet and outlet at the bottom of the tower a and the air inlet and outlet at the bottom of the tower B are respectively provided with a tee joint, the tee joint at the tower a is used for communicating the air inlet and outlet of the tower a, one of the working ports of the first electromagnetic valve and one of the working ports of the second electromagnetic valve, and the tee joint at the tower B is used for communicating the air inlet and outlet of the tower B, the other working port of the first electromagnetic valve and the other working port of the second electromagnetic valve; the oxygen outlet pipeline further comprises a pressure equalizing valve, and two ports of the pressure equalizing valve are respectively connected with the oxygen outlet pipe of the tower A and the oxygen outlet pipe of the tower B.
10. The modular oxygen generating system of claim 7, wherein the oxygen generating host module and the oxygen generating auxiliary module each comprise two air compressors and two condensers, the two condensers are respectively connected with the corresponding air compressors, the air inlet of the first electromagnetic valve is communicated with one condenser outlet, and the air inlet of the second electromagnetic valve is communicated with the other condenser outlet.
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| CN202322739493.8U CN220939888U (en) | 2023-10-12 | 2023-10-12 | Modularized oxygen production system |
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