gas tank biogas

2019-08-07 08:10:27  By:NVirotech Bolted Tank (170)

gas tank biogas introduce

gas tank biogas is a kind of green environmental protection project, which is designed according to the "four in one" principle, and achieves the perfect combination of gas tank biogas and solar greenhouse, planting and aquaculture.

gas tank biogas

The methane pressure in a hydraulic gas tank biogas is a variable value, which varies with the gas production and gas consumption conditions. Therefore, the working process of the hydrostatic biogas digester is a process of alternating pressure water and water pressure gas. The pressure of the hydrostatic biogas digester is always in a state of floating stability, and the value can not maintain a certain value.

Rural biogas digesters in China are usually fermented at normal temperature. In the design of gas tank biogas, the standard of gas production rate is adopted according to the experimental data and production practice experience.

Bolted Steel Storage Tanks

Bolted Steel Storage Tanks

When the temperature varies from 10 28 C and the dry matter content in fermentation broth is 6 10%, the gas production per cubic meter of fermentation broth is 0.1 0.3 m 3 per day in summer. Strong gas production and poor winter. Therefore, the average design gas production rate of natural temperature fermentation biogas digesters can be 0.15 m -0.3/ m 3 days.

The so-called gas storage capacity refers to the effective volume between the water pressure of the hydrostatic methane digester, the floating cover gas tank volume of the floating cover methane digester and the gas bag volume of the air bag methane digester.

enamel assembled tank

enamel assembled tank

The determination of gas storage volume is related to gas utilization. Rural household biogas digesters produce gas day and night, without considering the use of night lighting, only cooking gas during the day, so the design of gas storage capacity, only consider the storage of 12 hours (night) of biogas, that is, the storage of 50% of the day and night gas production is enough.

It is a key problem to determine the volume of gas tank biogas according to its use and daily maximum gas consumption. Specifically, the determination of biogas tank volume is closely related to the quality of raw materials, gas production rate and energy consumption standards, that is to say, with the current living standards of farmers and the level of biogas production technology.

The feed quantity of gas tank biogas should be determined according to different gas storage ways. For the hydrostatic biogas digester, the design maximum feeding capacity should be no more than 90% of the main digester volume, and the design maximum feeding capacity should be considered as 95% of the main digester volume.

biogas assembled tank

biogas assembled tank

gas tank biogas design

According to the "four in one" principle, the design should gas tank biogas, solar greenhouse, planting and breeding.

The gas tank biogas is built at one end of the northern mode and should be located close to the farmhouse kitchen and nursing room, generally not more than 25 meters away.

gas tank biogas is located under the livestock house. The center of the outlet and feed port of the gas tank biogas and the methane tank is located on the central line of the north and North width. If two inlets are constructed, the angle formed at the center of the inlet, outlet and pool arch should not be less than 120 degrees.

Food storage tank

Food storage tank

The main digester of the gas tank biogas is of the hydrostatic bottom discharging pool type: cylindrical pool body, spherical arch pool top being cut, no movable cover, the air duct is drawn from the top wall of the pool, and the bottom of the inverted arch pool. Two-step fermentation self-circulation biogas digester should be used for crusting and acidification of fermentation materials.

assembled water tank

assembled water tank

Adopt double or single feeding pipe, straight pipe feeding, feeding pipe in the lower part of the pool directly inserted, the lower end of the feeding port from the pool wall 0.3 meters.

The feeding pipe can be prefabricated concrete pipe or finished product pipe, the diameter of the inner circle is 0.25 to 0.3 meters, and the length depends on the location of the feeding port of the methane digester layout.

The discharging room is located on one side of the main pool body, and is connected with the pool body through the outlet channel. The upper part of the discharging room is a water pressure room.

waste water tank

waste water tank

The volume of gas tank biogas is calculated from 0.2 to 0.3 cubic meters per person per day, and the quantity of livestock and poultry raised and the amount of manure used for production are taken into account. Three sizes of biogas digester, namely, 6 cubic meters, 8 cubic meters and 10 cubic meters, can be selected.

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