General usage of oxygen generator


An oxygen generator is a machine that produces oxygen. Its principle is to use air separation technology to separate oxygen from the air, and then store it in a container for use by those who need it. Firstly, the air is compressed with high density, and the difference in the condensation point of each component in the air is used to separate the gas and liquid at a certain temperature, and then the rectification is carried out to separate it into oxygen and nitrogen. The following is the general method of using the oxygen generator compiled by ZHONGRUI for everyone, for reference only, welcome to read.


Oxygen Generator

General usage of oxygen generator


Working principle of household oxygen concentrator: using molecular sieve physical adsorption and desorption technology. The oxygen concentrator is filled with molecular sieves, which can absorb nitrogen in the air when pressurized, and the remaining unabsorbed oxygen is collected and purified. High purity oxygen. The molecular sieve discharges the adsorbed nitrogen back into the ambient air during decompression, and can absorb nitrogen and produce oxygen during the next pressurization. The whole process is a periodic dynamic cycle process, and the molecular sieve does not consume.


Knowing the principle of the household oxygen concentrator, you also need to know the matters that should be paid attention to when using the household oxygen concentrator.


Pay attention to the following issues when performing oxygen therapy at home:


1. Choose the oxygen inhalation time reasonably. For patients with severe chronic bronchitis, emphysema, definite pulmonary function abnormalities, and oxygen partial pressure continuously lower than 60 mmHg, oxygen therapy should be given for more than 15 hours a day; some patients usually have no or only mild Hypoxemia, during activity, tension or fatigue, short-term oxygen can reduce the discomfort of "shortness of breath".


2. Pay attention to control the oxygen flow. Generally, it is 1 to 2 liters/minute, and the flow rate should be adjusted before use. Because high-flow oxygen inhalation can aggravate the accumulation of carbon dioxide in COPD patients, causing pulmonary encephalopathy.


3. Pay attention to the safety of oxygen use is the most important. The oxygen supply device should be shockproof, oilproof, fireproof and heatproof. When transporting oxygen cylinders, avoid dumping and impact to prevent explosions; because oxygen can support combustion, oxygen cylinders should be placed in a cool place, away from fireworks and flammable materials, at least 5 meters away from the stove and 1 meter away from the heater.


4. Pay attention to the humidification of oxygen. The humidity of the oxygen released from the compression bottle is mostly lower than 4%. Generally, a bubble-type humidification bottle is used for low-flow oxygen supply, and 1/2 of cold boiled water should be added to the humidification bottle.


5. The oxygen in the oxygen cylinder cannot be exhausted, and generally 1mPa should be left to prevent dust and impurities from entering the cylinder and causing an explosion when refilling.


6. Nasal catheters, nasal plugs, humidification bottles, etc. should be disinfected regularly.


7. Patients who buy an oxygen generator should read the instructions carefully or consult with a person who understands it before using it.


At the same time, I also want to remind here that there are many brands of oxygen generators, such as Yuwell, Yashi, Omron, etc. If you need to buy, it is best to know about it first, so that you can choose better Find the right oxygen concentrator for you!


The benefits of oxygen concentrators for different groups of people


1. Consumers buy for their children (students)


Benefits of oxygen inhalation: Now students are under a lot of pressure and will gradually lack oxygen, leading to memory loss, nausea, dizziness, insomnia, and poor mood. , Brain fatigue for mental workers, enhance memory


2. Consumers buy for the elderly at home (middle-aged and elderly)


a. Benefits: regular inhalation of oxygen at home can prevent the occurrence of senile diseases, and can delay aging. It can effectively eliminate symptoms such as chest tightness, shortness of breath, dizziness, and irritability, and can play an emergency role in the occurrence of angina pectoris, cerebral thrombosis, and stroke; It mainly improves the insufficient oxygen supply caused by the physiological aging of the elderly, relieves aging and promotes health.


b. Hazards: older age, decreased resistance, various functions can no longer absorb sufficient oxygen for the body to absorb, use, and oxygen-carrying capacity declines! Especially when human beings enter old age, people will have insufficient blood supply and oxygen supply , the key is that long-term hypoxia can cause a variety of senile diseases, and chronic hypoxia can lead to many high-risk diseases if not treated in time!


3. Demands of white-collar consumers


a. If you are a white-collar worker, do you sometimes experience dizziness, chest tightness, or feel staring at you when you stand up suddenly? Or sudden dark eyes, insomnia, memory loss, lack of energy at work! If you have these symptoms, you need to supplement oxygen through an oxygen generator!


b. Tell me about the working environment of white-collar workers: long-term air-conditioned environment, closed doors and windows, dirty air, insufficient indoor oxygen content, severe oxygen deficiency, and irregular life, heavy mental work, high pressure, lack of normal body clock , resulting in disorders of various organs of the body. Hypoxia is the same as the elderly, if long-term chronic hypoxia is formed, it will accelerate aging! Proper oxygen supplementation is very important for white-collar workers, which can improve work efficiency and mental state, and relieve work pressure.


4. Consumer needs of pregnant women


a. Benefits: Oxygen inhalation by pregnant women can enhance the blood oxygen content of pregnant women and optimize the environment for fetal growth; with an oxygen generator at home, pregnant women can treat fetal hypoxia at the best time without a doctor at home;


b. Harm: According to the survey, the main cause of fetal death in the womb, premature death, mental retardation of children or neonatal infection is hypoxia.


5. Consumer needs of special patients


Benefits of oxygen inhalation: Oxygen inhalation can speed up the improvement of the disease, prevent the further development of the disease, improve the immunity of the whole body and respiratory tract, relieve the symptoms of shortness of breath, improve the mental state, enhance the activity ability, and significantly improve the quality of life; patients with mild arterial For patients with cirrhosis, liver, pulmonary dysfunction, coronary heart disease, or stroke, regular oxygen inhalation can reduce the frequency of attacks and long-term adherence to oxygen therapy plays an important role in the complete recovery of the disease.


physical principle


The structure of the oxygen generator adopts the adsorption properties of molecular sieves, and through physical principles, it uses a large-displacement oil-free compressor as the power to separate nitrogen and oxygen in the air, and finally obtain high-concentration oxygen. This type of oxygen generator produces oxygen quickly and has a high oxygen concentration, and is suitable for oxygen therapy and oxygen health care for various groups of people. Low power consumption, the cost of one hour is only 18 cents, and the use price is low.


operation method


1. Install the main engine on the wheel as a floor-standing or hang it on a wall against the wall and hang it outdoors, and install a gas collection filter;


2. Nail the oxygen supply plate on the wall or support as needed, and then hang the oxygen supply;


3. Connect the oxygen outlet port of the oxygen supply with the oxygen tube, and connect the 12V power line of the oxygen supply to the 12V power line of the host. If multiple oxygen suppliers are connected in series, only need to add a three-way joint, and fix the pipeline with a wire buckle;


4. Plug the 220V power cord of the host into the wall socket, and the red light of the oxygen supply will be on;


5. Please add pure water to the designated position in the humidification cup. Then install it on the oxygen outlet of the oxygen supply;


6. Please put the oxygen tube on the oxygen outlet of the humidification cup;


7. Press the start button of the oxygen generator, the green indicator light is on, and the oxygen generator starts to work;


8. According to the doctor's doctor's advice, adjust the flow to the desired position;


9. Hang up the nasal cannula or wear the mask to inhale oxygen according to the packaging instructions of the oxygen inhalation mask or nasal straw.


Research on Oxygen Generation Technology by Pressure Swing Adsorption


The development of pressure swing adsorption oxygen production technology in China started earlier, and the 1970s was the heyday of the development of PSA separation air oxygen production technology in China. More than a dozen units across the country have successively carried out experimental research on pressure swing adsorption oxygen production technology, and established several sets of industrial test equipment. The common points of the pressure swing adsorption oxygen generating equipment developed during this period are as follows:


⑴ Most of them adopt adsorption above atmospheric pressure and desorption at atmospheric pressure, and there are two to four adsorption towers;


⑵ Before the air enters the adsorption tower, it undergoes dehydration pretreatment;


(3) The reliability of the equipment is poor, and it cannot run continuously and stably, causing most of the equipment to be scrapped;


(4) Technical and economic indicators are lagging behind.


In the 1980s, the development projects of units originally engaged in the research and development of pressure swing adsorption oxygen production equipment were suspended one after another, and the development of China's pressure swing adsorption oxygen production technology entered a trough again.


In 1995, Kunshan Jinhu Machinery Co., Ltd. built a VPSAO1000Nm3/h oxygen generator in Luoyang Iron and Steel Plant, Henan, which marked that PSA officially entered the industrial field in China, and also marked that PSA entered a period of rapid development in China.


The 1990s was a period of rapid development of China's pressure swing adsorption oxygen production technology. The pressure swing adsorption oxygen production technology gradually matured, and the comprehensive technical and economic indicators of some products have approached the advanced level of foreign countries. Years of practice have shown that China's pressure swing adsorption oxygen production technology has stepped out of the laboratory and entered the practical stage. In the past ten years, through continuous technological updating and research and development, China's pressure swing adsorption oxygen production technology has been changing with each passing day and developing rapidly, and the gap between it and the world's advanced level is constantly narrowing. But from the overall level, China still has a certain gap with the international advanced level in many aspects. Such as research on new high-performance adsorbents, improvement of adsorption process, theoretical analysis research and establishment of mathematical models, quality monitoring and automatic control, and many other aspects.


Oxygen method


Conversion method of oxygen concentration of oxygen generator and flow rate of oxygen generator


Calculation formula: reached alveolar oxygen concentration%=21+4×Oxygen generator flow rate (L/min)


Nursing points out that the oxygen content in the air is 21%. If we inhale an oxygen concentration lower than 25%, it is similar to the oxygen content in the air and has no therapeutic value. If the concentration is higher than 70% and lasts for more than 1-2 days, it will occur. Oxygen poisoning. Therefore, patients with cardiopulmonary disease need to use an oxygen generator with a flow rate of 3 liters or more.


Oxygen flow L/min 1 2 3 4 5 6 7 8 9


Oxygen concentration % 25 29 33 37 41 45 49 53 57