Chapter 75

To solve the problem of power consumption, either Chen Xin's oxygen generator can generate enough biomass for biogas power generation to meet his own consumption, or Chen Xin will continue to upgrade the power system of the current refuge, hoping to upgrade it into a more self-sustaining power system, such as a nuclear reactor that can operate for decades.

The first option is naturally impossible because of the conservation of energy.

If the biomass produced by the oxygen generator can be used for biogas power generation to meet the system's own consumption, isn't it a perpetual motion machine?

So the way to solve the problem is to continue to upgrade the system, and to upgrade to energy saving and upgrading.

It's just that Chen Xin has checked his generator and power system. Among the system upgrade options, there are only two upgrade options: improving the working efficiency of the generator and improving the energy saving rate of the whole power system. It's impossible to upgrade it to other types of generators for the time being.

However, this is not absolute. When Chen Xin upgraded his protective clothing, he provided a tactical poncho to make the protective clothing more functional and tactical camouflage. He felt that if he could provide other power generation methods, he could integrate them into the power system.

"If I integrate biogas power generation into the power system, with gasoline generator as the main force and biogas power generation as the auxiliary, the two methods can supply power at the same time..." Thinking of integrating other power generation methods into the power system, Chen Xin quickly took out a pen and paper for calculation.

"at present, the consumption of planting greenhouse can only be maintained by 20 liters of gasoline consumed by the generator every day, and the consumption remains unchanged..."

"Planting greenhouses can meet my own oxygen consumption when there is light, and there is surplus output But considering the overflow of the ventilation system and the oxygen consumption after turning off the lights... "

"In the case of keeping the light time unchanged for 12 hours, without considering the existence of external oxygen, the oxygen produced by planting greenhouse can maintain my consumption for 16 hours..."

"Prolonging the illumination time and increasing the oxygen output can provide the oxygen I need for 24 hours, but at least more than five hours of illumination per day will increase the gasoline consumption from 20 to 30 days..."

"If we build the algae cycle oxygen generator, the power consumption is less than that of maintaining the greenhouse for a long time. With the power supplement brought by biogas power generation, we only need to increase the gasoline consumption by 5 liters every day..."

By listing all the data for calculation, Chen Xin can easily calculate the results.

Looking at the results of his calculation, Chen Xin touched his chin and obviously built an algae circulating oxygen generator that he told Mo Qingyan, which is the scheme with the least consumption at present.

Moreover, after Chen Xin built such an oxygen generator, he could upgrade the oxygen generator through the system to improve its oxygen production efficiency, biomass output and biogas reaction efficiency Even the biogas power generation is transformed into biomass fuel cells or the biomass produced is transformed into edible algae.

With these thoughts in mind, Chen Xin sincerely congratulated himself for picking up the system when he entered the refuge, instead of turning a blind eye to it as an ordinary meteorite.

Now that he has decided to build an oxygen generator, Chen Xin obviously needs to take stock of his own resources first.

After all, it's not like upgrading an existing item. It can be upgraded directly with the help of the system's survival points.

This is also the biggest deficiency of this system. It can't create something out of thin air, and can only upgrade according to what it has.

Even if the items used as the basis for upgrading are simple and primitive, as long as there is a material basis, the system can continuously improve them.

But without this foundation, nothing can be said.

So even if Chen Xin builds a water tank with a wooden board to let algae grow in the water, and then insists that it is an oxygen generator, he has to build the water tank first.

Fortunately, Mr. Chen is not short of materials. He doesn't need to build a sink with wooden boards.

To build an algae circulating oxygen generator, the first thing to have is not the water tank, but the foundation for algae growth, that is, the biological facade.

This is not complicated. If you are not so particular about it, the screen windows used at home can also be used.

Let the algae attach to it, and then provide water, carbon dioxide and light. Soon the algae will begin to grow and reproduce, and photosynthesis will release oxygen.

As for the sink, it's not necessary, because you can get a water pipe to hang on the attachment of the algae, and keep the algae moist through the water pipe, instead of soaking them in the water completely.

If the conditions are better, it can provide a better basis for algae attachment.

The German technology is to make hollow glass plates, connect the supply line and discharge line on these hollow glass plates, and then inject culture medium into the hollow glass plates to cultivate algae.

At the bottom of a single insulating glass plate, carbon dioxide as a nutrient is injected into the medium through the supply pipeline to produce bubbles. The vortex formed during the rising of bubbles will stimulate the algae in the medium to absorb carbon dioxide and light, carry out photosynthesis, and continuously grow and reproduce.When the algae grow and propagate to a certain extent, the algae in the insulating glass plate will be recycled to harvest biomass.

According to the experimental data given by the German at that time, such a one square meter insulating glass panel can produce 900 kg of biomass a year, about 10 liters of methane per day, and a 200 square meter insulating glass panel can produce more than 600 cubic meters of methane per year.

The methane used for power generation can generate 4500kwh of electricity and 6000kwh of heat energy, which can be said to be quite clean and efficient.

Of course, the Germans use fuel cells, rather than simply burning methane to generate electricity, which is much more efficient.

As far as Chen Xin's current supplies are concerned, he can only use screens or other things that are easy to attach to make an attachment foundation, and then drench it with water and provide light to let it grow algae.

In short, it is to build a simple device, let it run first, and then consider upgrading it to improve operation efficiency and expand production capacity.

All it takes to make a simple device is a water tank, a micro vacuum pump, several PVC pipes and an attached facade.

After looking through his storeroom, Chen Xin quickly found out what he wanted to use, although they may not be so suitable and need to be reformed.

There are many different sizes, so the pipes and vacuum pumps can't be connected. The sink is just a plastic box, and the attached facade is also a screen window removed from the window of the container house

Looking at these things, Chen Xin thinks that he should make a workbench for himself first.

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