CN212687562U - Medical integrated oxygen generation equipment - Google Patents
Medical integrated oxygen generation equipment Download PDFInfo
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- CN212687562U CN212687562U CN202022123750.1U CN202022123750U CN212687562U CN 212687562 U CN212687562 U CN 212687562U CN 202022123750 U CN202022123750 U CN 202022123750U CN 212687562 U CN212687562 U CN 212687562U
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- sieve adsorption
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Abstract
The utility model relates to a medical equipment technical field, specifically speaking relates to a medical integrative oxygenerator. The air-conditioning system comprises an air compressor, a cold dryer, an air buffer tank, a molecular sieve adsorption tower A, a molecular sieve adsorption tower B, an oxygen buffer tank and a PLC control device. Oxygen making equipment is through air handling equipment such as catch water, primary filter, cold dry machine, intermediate filter, fine filter before system oxygen, with water, oil and impurity discharge in the air, the air that gets into the molecular sieve adsorption tower is very pure, and long-time operation can not cause the harm to the molecular sieve in the molecular sieve adsorption tower yet, neither can influence oxygen concentration, output is not influenced, can guarantee the quality of oxygen again, is fit for using at the central oxygen suppliment of hospital. And simultaneously, the utility model discloses a PLC controlling means can realize opening of the automation of oxygen making equipment and stop, and degree of automation is high, need not personnel's management.
Description
Technical Field
The utility model relates to a medical equipment technical field, specifically speaking relates to a medical integrative oxygenerator.
Background
At present, the existing oxygenerators with the volume of less than 3 cubes in the market are all assembled together by a plurality of household oxygenerators for use, because the household oxygenerators are not provided with air treatment equipment, water, oil and impurities generated by compressed air cannot be discharged, the failure rate is high, the molecular sieve can be quickly pulverized due to long-time starting operation, the oxygen concentration and the yield are gradually reduced, the oxygen quality cannot be ensured, and the oxygenerator is not suitable for being used for central oxygen supply of hospitals.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a medical integrative oxygen making equipment to solve foretell technical problem.
In order to solve the above problems, the utility model adopts the following technical scheme:
the utility model provides a medical integrative oxygenerator which characterized in that: the device comprises an air compressor, a cold dryer, an air buffer tank, a molecular sieve adsorption tower A, a molecular sieve adsorption tower B, an oxygen buffer tank and a PLC (programmable logic controller) control device; a steam-water separator and a primary filter are sequentially arranged on an air pipeline between an air outlet of the air compressor and an air inlet of the cold dryer; an intermediate filter is arranged on an air pipeline between an air outlet of the cold dryer and an air inlet of the air buffer tank; an air outlet of the air buffer tank is connected with a fine filter through an air pipeline; the air inlets of the molecular sieve adsorption tower A and the molecular sieve adsorption tower B are respectively connected to the air outlet of the fine filter through air inlet pipelines; nitrogen discharging ports of the molecular sieve adsorption tower A and the molecular sieve adsorption tower B are respectively connected with a nitrogen discharging pipeline through pipelines; the first air outlet and the second air outlet of the molecular sieve adsorption tower A and the first air outlet and the second air outlet of the molecular sieve adsorption tower B are respectively connected with an oxygen collecting pipeline through pipelines; the oxygen collecting pipeline is connected to an air inlet of the oxygen buffer tank; a first gas control valve is installed on a gas inlet pipeline of the molecular sieve adsorption tower A, a second gas control valve is installed on a pipeline of a nitrogen discharging port of the molecular sieve adsorption tower A, and a third gas control valve is installed on a pipeline of a first gas outlet of the molecular sieve adsorption tower A; a fourth gas control valve is installed on a gas inlet pipeline of the molecular sieve adsorption tower B, a fifth gas control valve is installed on a pipeline of a nitrogen discharging port of the molecular sieve adsorption tower B, and a sixth gas control valve is installed on a pipeline of a first gas outlet of the molecular sieve adsorption tower B; a seventh gas control valve is arranged on the oxygen collecting pipeline between the second gas outlet of the molecular sieve adsorption tower A and the second gas outlet of the molecular sieve adsorption tower B; and each gas control valve is respectively connected with and controlled by a PLC control device.
Further, the following steps: the sewage outlets of the air compressor, the steam-water separator, the primary filter, the cold dryer and the intermediate filter are all connected to a sewage pipeline through pipelines, and a sewage valve is respectively arranged on the pipeline connected with the sewage outlets of the devices.
And further: a thermostat is arranged in the air buffer tank.
Has the advantages that: compared with the prior art, the oxygen generating equipment is through air treatment facilities such as catch water, primary filter, cold dry machine, intermediate filter, fine filter before system oxygen, with water, oil and impurity discharge in the air, the air that gets into the molecular sieve adsorption tower is very pure, and long-time operation can not cause the harm to the molecular sieve in the molecular sieve adsorption tower yet, neither can influence oxygen concentration, output is not influenced, can guarantee the quality of oxygen again, is fit for using at the central oxygen suppliment of hospital. And simultaneously, the utility model discloses a PLC controlling means can realize opening of the automation of oxygen making equipment and stop, and degree of automation is high, need not personnel's management.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
Example (b):
referring to fig. 1, the medical integrated oxygen generation apparatus of this embodiment includes an air compressor 1, a cooling and drying machine 5, an air buffer tank 7, a molecular sieve adsorption tower a 11, a molecular sieve adsorption tower B12, an oxygen buffer tank 14, and a PLC control device.
And a steam-water separator 3 and a primary filter 4 are sequentially arranged on an air pipeline between the air outlet of the air compressor 1 and the air inlet of the cold dryer 5. And a middle-stage filter 6 is arranged on an air pipeline between the air outlet of the cold dryer 5 and the air inlet of the air buffer tank 7. The sewage outlets of the air compressor 1, the steam-water separator 3, the primary filter 4, the cold dryer 5 and the intermediate filter 6 are all connected to the sewage pipeline 2 through pipelines, and the pipelines connected with the sewage outlets of the devices are respectively provided with a sewage valve. An air outlet of the air buffer tank 7 is connected with a fine filter 8 through an air pipeline; and the air inlets of the molecular sieve adsorption tower A11 and the molecular sieve adsorption tower B12 are respectively connected to the air outlet of the fine filter 8 through air inlet pipelines.
The air compressor 1 supplies a gas pressure necessary for adsorption in the molecular sieve adsorption columns a 11 and B12 and air for separating oxygen. The steam-water separator 3 is used for separating water and trace oil in air, and separates 2/3 water in the air. The primary filter 4 is used for filtering water and oil mist in the air and has the treatment level of 0.6mg/m3. The cold dryer 5 is used for separating water and oil from air, so that the air is kept dry and free of oil. The middle-stage filter 6 is used for filtering water and oil mist in the air and has the treatment level of 0.01mg/m3. The air buffer tank 7 is used for keeping the oxygen making equipment to supply air under stable pressure, and meanwhile, a thermostat is arranged in the air buffer tank to keep the air at a constant temperature. The fine filter 8 is used for filtering water and oil mist in the air, and the treatment level is 0.003mg/m3. The oxygen buffer tank 14 is used to maintain the oxygen concentration stable.
And nitrogen release ports of the molecular sieve adsorption tower A11 and the molecular sieve adsorption tower B12 are respectively connected with a nitrogen release pipeline 10 through pipelines. The first air outlet and the second air outlet of the molecular sieve adsorption tower A11 and the first air outlet and the second air outlet of the molecular sieve adsorption tower B12 are respectively connected with an oxygen collecting pipeline 13 through pipelines; the oxygen collecting pipeline 13 is connected to an air inlet of an oxygen buffer tank 14; a first gas control valve 91 is arranged on a gas inlet pipeline of the molecular sieve adsorption tower A11, a second gas control valve 92 is arranged on a pipeline of a nitrogen discharging port of the molecular sieve adsorption tower A11, and a third gas control valve 93 is arranged on a pipeline of a first gas outlet of the molecular sieve adsorption tower A11; a fourth gas control valve 94 is installed on a gas inlet pipeline of the molecular sieve adsorption tower B12, a fifth gas control valve 95 is installed on a pipeline of a nitrogen release port of the molecular sieve adsorption tower B12, and a sixth gas control valve 96 is installed on a pipeline of a first gas outlet of the molecular sieve adsorption tower B12; a seventh gas control valve 97 is arranged on the oxygen collecting pipeline 13 between the second gas outlet of the molecular sieve adsorption tower A11 and the second gas outlet of the molecular sieve adsorption tower B12; and each gas control valve is respectively connected with and controlled by a PLC control device. The PLC control device controls the air inflow, the oxygen production and the nitrogen exhaust of the molecular sieve adsorption tower A11 and the molecular sieve adsorption tower B12 by controlling each gas control valve, and each gas control valve can be independently adjusted to enable the oxygen production to be optimal.
The molecular sieve is an aluminosilicate crystal synthesized by artificial hydrothermal method, and different types of molecular sieves are generated according to different silicon-aluminum ratios. Different material molecules are adsorbed or repelled according to the size of the internal holes of the crystal, and the separation effect is achieved according to the order determined by the polarity or polarizability of the different material molecules, so the crystal is called as a molecular sieve. Pressure swing adsorption principle of molecular sieve: the molecular sieve has different adsorption capacities for different gases and very strong adsorption capacity for a certain gas, and meanwhile, the adsorption capacity of the molecular sieve for the selected gas is related to the environmental pressure, and the larger the environmental pressure is, the stronger the adsorption capacity of the molecular sieve for the selected gas is.
The oxygen generation working principle of the molecular sieve adsorption tower is as follows: by utilizing the working characteristics of the molecular sieve, air is injected into a closed container (molecular sieve adsorption tower) filled with the molecular sieve, and the pressure in the container is increased along with the air; at this time, the molecular sieve absorbs a large amount of nitrogen in the air as the ambient pressure rises, while the oxygen in the air still exists in a gas form and is collected through a certain pipeline, and the process is generally called as an "adsorption" process; when the molecular sieve in the vessel adsorbs nitrogen to a certain extent, the vessel is vented and depressurized, and as the pressure in the vessel decreases, nitrogen is released from the interior of the molecular sieve and is discharged as an exhaust gas, a process generally referred to as "desorption".
The utility model discloses in, adopt two molecular sieve adsorption towers, promptly: the molecular sieve adsorption tower A11 and the molecular sieve adsorption tower B12 are controlled by the PLC control device to control each gas control valve, so that the molecular sieve adsorption tower A11 is flushed with the molecular sieve adsorption tower B12 while being in the adsorption process, and the molecular sieve adsorption tower B12 desorbs and discharges nitrogen; and flushing the molecular sieve adsorption tower A11 while the molecular sieve adsorption tower B12 is in the adsorption process, and desorbing and discharging nitrogen gas from the molecular sieve adsorption tower A11. In this way, oxygen is continuously supplied to the oxygen buffer tank 14.
Certainly, the oxygen that medical integrative oxygenerator prepared still need carry out further processing (collection, filtration, pressure regulating, concentration detection and flow control etc.) through oxygen processing system and just can be to the patient oxygen suppliment in the ward. The oxygen treatment system comprises:
1. oxygen compressor: oxygen prepared by the oxygen generating equipment is pumped into an oxygen storage tank.
2. An oxygen filter: filtering the fine powder in the oxygen.
3. An oxygen storage tank: the oxygen produced by the oxygen production plant is stored.
4. Pressure reducers: the pressure of the oxygen storage tank is adjusted to the pressure required by the ward, and the constant pressure is kept for supplying the gas.
5. A flow meter: displaying the instantaneous flow of the air supply pressure and recording the accumulated air consumption.
6. An oxygen meter: and detecting the oxygen concentration on line and recording the oxygen concentration.
7. Electric contact oxygen pressure gauge: and controlling the oxygen generation system to automatically start and stop.
PLC controlling means in the oxygenerator can control oxygenerator and oxygen processing system simultaneously, sets up manual, automatic start function. Under the automatic state, the oxygen generating equipment realizes automatic start and stop according to oxygen storage tank pressure: when the pressure of the oxygen storage tank reaches a set high pressure value, the oxygen generation equipment is automatically stopped; when the pressure of the oxygen storage tank reaches the set low pressure value, the oxygen generation equipment is automatically started without personnel management. Meanwhile, an alarm function is also set, when the oxygen generating equipment has faults, the oxygen concentration is low and the like, automatic alarm is given, and system maintenance is carried out according to alarm level prompt and shutdown.
The related technical content which is not detailed in the present invention is the conventional technical means or the common general knowledge in the technical field.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.
Claims (3)
1. The utility model provides a medical integrative oxygenerator which characterized in that: comprises an air compressor (1), a cold dryer (5), an air buffer tank (7), a molecular sieve adsorption tower A (11), a molecular sieve adsorption tower B (12), an oxygen buffer tank (14) and a PLC control device; a steam-water separator (3) and a primary filter (4) are sequentially arranged on an air pipeline between an air outlet of the air compressor (1) and an air inlet of the cold dryer (5); a middle-stage filter (6) is arranged on an air pipeline between the air outlet of the cold dryer (5) and the air inlet of the air buffer tank (7); an air outlet of the air buffer tank (7) is connected with a fine filter (8) through an air pipeline; the air inlets of the molecular sieve adsorption tower A (11) and the molecular sieve adsorption tower B (12) are respectively connected to the air outlet of the fine filter (8) through air inlet pipelines; nitrogen release openings of the molecular sieve adsorption tower A (11) and the molecular sieve adsorption tower B (12) are respectively connected with a nitrogen release pipeline (10) through pipelines; the first air outlet and the second air outlet of the molecular sieve adsorption tower A (11) and the first air outlet and the second air outlet of the molecular sieve adsorption tower B (12) are respectively connected with an oxygen collecting pipeline (13) through pipelines; the oxygen collecting pipeline (13) is connected to an air inlet of the oxygen buffer tank (14); a first gas control valve (91) is installed on a gas inlet pipeline of the molecular sieve adsorption tower A (11), a second gas control valve (92) is installed on a pipeline of a nitrogen release port of the molecular sieve adsorption tower A (11), and a third gas control valve (93) is installed on a pipeline of a first gas outlet of the molecular sieve adsorption tower A (11); a fourth gas control valve (94) is installed on a gas inlet pipeline of the molecular sieve adsorption tower B (12), a fifth gas control valve (95) is installed on a pipeline of a nitrogen release port of the molecular sieve adsorption tower B (12), and a sixth gas control valve (96) is installed on a pipeline of a first gas outlet of the molecular sieve adsorption tower B (12); a seventh gas control valve (97) is arranged on an oxygen collecting pipeline (13) between the second gas outlet of the molecular sieve adsorption tower A (11) and the second gas outlet of the molecular sieve adsorption tower B (12); and each gas control valve is respectively connected with and controlled by a PLC control device.
2. The medical integrated oxygen generation apparatus of claim 1, wherein: the sewage outlets of the air compressor (1), the steam-water separator (3), the primary filter (4), the cold dryer (5) and the intermediate filter (6) are connected to the sewage pipeline (2) through pipelines, and the pipelines connected with the sewage outlets of the devices are respectively provided with a sewage valve.
3. The medical integrated oxygen generation apparatus of claim 1, wherein: a thermostat is arranged in the air buffer tank (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123750.1U CN212687562U (en) | 2020-09-18 | 2020-09-18 | Medical integrated oxygen generation equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022123750.1U CN212687562U (en) | 2020-09-18 | 2020-09-18 | Medical integrated oxygen generation equipment |
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| CN212687562U true CN212687562U (en) | 2021-03-12 |
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| CN202022123750.1U Active CN212687562U (en) | 2020-09-18 | 2020-09-18 | Medical integrated oxygen generation equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994877A (en) * | 2020-09-18 | 2020-11-27 | 闫瑞福 | Medical integrated oxygen generation equipment |
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- 2020-09-18 CN CN202022123750.1U patent/CN212687562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994877A (en) * | 2020-09-18 | 2020-11-27 | 闫瑞福 | Medical integrated oxygen generation equipment |
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