Features of autonomous gasification of a private house

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Features of autonomous gasification of a private house

Warm batteries, a hot bath and cooking on gas are a common thing for the townspeople, but for the owners of suburban areas and cottages all this is often not available, therefore, an autonomous gasification of a private house becomes necessary.

Thanks to the autonomous gas supply system, owners of summer cottages and suburban areas will be able to heat their homes at any time of the year, while spending much less money than when heating electricity and other methods.

Contents:

  • Features of stand-alone gasification
  • Propane-butane
  • Independent gasification device
  • Underground gas pipeline arrangement
  • Internal gas pipeline arrangement
  • Use of two or more gas holders
  • Remote control of the

system Features of stand-alone gasification

When installing an autonomous system, gas is supplied not from the central highway,but from own storage.

An example of the simplest such gas system is known to everyone - they are cylinders with propane-butane, which are connected to tiles in the country.

However, there is not enough for more than cooking of such cylinders. To heat the whole house use other containers - gasholders.

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Stand-alone gasification is a very simple system that operates independently of the central gas supply on liquefied gas.

Installation of such a system has many advantages:

  • First of all, propane-butane mixture is a rather economical type of fuel, which is easy to deliver to the destination;
  • Propane-butane is environmentally friendly and safe for the environment;
  • The efficiency of autonomous gas heating is about 97%;
  • There is no combustion with such heating, as well as smells of gas and burning;
  • Stand-alone gasification is installed very quickly, usually it takes less than a week for all work;
  • Autonomous gasification allows you to rationally use the backyard of a country house or villa.

Installation of the system is as follows: a special underground gas storage facility is installed on the site, which is called the gas holder.

From this tank lay pipes that supply gas to the point of consumption. Depending on what the consumption will be, the storage is filled with liquefied gas 1 to 3 times a year.

It is delivered to the destination by special gas carriers.

When the gas in the liquid state enters the container, it passes from the liquid state to the gas due to the heat of the earth, and the vapor phase enters the pipe under low pressure to the points of consumption.

Many people are interested in the fuel consumption for such a heating system of suburban construction.

Studying the feedback of those who already use such a system, we can conclude that much depends on the size of your country home and other nuances, but you can reduce the consumption of consumption by controlling and regulating functions.

Propane-butane

Autonomous gasification is carried out by an unusual methane, and liquefied propane-butane, which is usually used also for refueling vehicles.

The usual natural gas that we receive through a centralized pipeline is very difficult to store, unlike the propane-butane mixture.

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It is possible to liquefy natural gas at -160 ° C and at a pressure of 200 bar, and it is very difficult to obtain such conditions.

To buy natural gas in a liquefied state is also quite problematic, while propane-butane is sold at any gas station.

Propane-butane has many advantages, one of which is its economy.

When combustion of this mixture, more energy is generated than with the combustion of the main gas, so the consumption of such fuel is much less.

However, this fuel has disadvantages - when the temperature in the storage is lowered, a condensate forms that prevents the gas from passing normally through the pipeline, so the storage tanks are set below the freezing level, so that the temperature in the reservoir is always positive.

Many fear that this system is not a safe way of heating and choose other options.

However, you should be aware that the design is completely safe, due to low system pressure, grounding and special sensors, which in the event of a leak close the necessary valves.

The stand-alone gasification device

The device of such a system can be studied according to this scheme.

Its base is an underground tank - a gas hammer equipped with:

  • protection valve;
  • valve for liquid phase selection;
  • valve for the selection of steam:
  • level;
  • refueling valve;
  • pressure regulator in the system.

In our climatic zone, we usually use horizontal storage facilities, which the Chemet plant produces.

Such gasholders can be installed below the freezing level, and a large evaporation area makes it easy to transfer from liquid to steam without additional equipment.

High nozzles and throat do not allow flooding of the pressure regulator during the melting of water. Such tanks will work for many years, even in the coldest winters.

The volume of the container is usually an average of 4 to 9 thousand liters, depending on the size of housing, this amount of gas can be enough to heat the home for three to four months.

A reinforcement compartment is located at the top of the reservoir neck. Inside it are shut-off valves that control the flow of gas.

In addition, there may also be a hatch that is used in case a specialist check is needed inside the gas holder.

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The next element of the system is a reinforced concrete base on which the gas holder is mounted and fastened.

Do this so that an empty tank does not float up during the rising groundwater table.

For the basis take a solid road reinforced concrete plate, to which stainless pins attach the capacity through special holes in the supports.

An anode-cathodic protection system is installed in the vicinity of the reservoir - magnesium alloy anodes, which are connected to a reservoir.

During operation of the system, magnesium oxidizes and recovers the iron from which the capacity is made. Thus, the service life of the reservoir is extended by several tens of years.

Underground gas pipeline

In order to transport gas from the storage facility to the room, an underground pipeline is used, which is placed below the freezing depth.

Stand-alone gasification of a private house implies the use of special low-pressure PVC pipes with high strength.

In order for the system to function stable and not stop even at the lowest temperatures, there must be a condensate collector in it - a device that serves to accumulate and vaporize liquid butane that appears on the vertical surfaces of the pipeline in winter and can cause the fuel to stop.

The condensate collector is a sealed vessel having inlet and outlet connections, as well as a discharge tube that is discharged outwardly into the gas holder casing.

Since, according to safety standards, gas is not allowed to enter the house underground, the underground pipeline ends with a base entry.

This is an element of a steel pipe, a crane and a special device that takes into account the shrinkage and displacement of the structure and acquires the desired shape, maintaining the tightness of the joints.

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Places of joints of polyethylene and steel pipes are all-in-one and placed in a special case.

At your request, you can also install a valve at the entrance to the room, which will be used in case of a leak in the room.

Internal gas pipeline arrangement

Indoor piping is laid indoors, which delivers gas to the consumption points in the house.

It includes:

  • cranes;
  • gas contamination indicator;
  • shut-off valve;
  • manometer;
  • pressure stabilizers;
  • consumption meter.

Pipeline to the room is made of steel pipes so that the connections on it are minimal.

Thermal stop valve is a device that covers an internal gas pipeline in the event of a fire. This valve is activated when it reaches 100 ° C.

The gas alarm is an element that controls the air in the house.

It continuously checks and signals if gas vapors with a concentration of at least 10% occur in the air, and also activates a check valve that is placed on the internal pipeline.

Using two or more gas holders

Often one can find the use of several reservoirs, which are combined with a vapor and a liquid phase.

Thus, it is possible to increase the storage capacity of liquefied fuel, as well as its evaporation area. In this case, you can fill the tanks in turn or at the same time.

Often one gasholder is used immediately for 2 - 3 homes and even more. If the houses belong to different people, then the owners of the houses must agree among themselves on the location of the reservoir.

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In addition, you should install accounting points near each house so that there is no dispute about the amount of gas used.

If you decide to make a common system, you should consider what kind of relations you have with neighbors, since the system will be difficult to call autonomous.

Therefore, it is better to set up your own system, instead of dividing it with someone.

Remote control system

Since this gas system is usually installed on country houses and cottages that are far from the main roads, and, consequently, from the settlement, you can equip it with a universal GPS / GPRS module.

This element will allow you to manage the gasification system from virtually anywhere in the world via the Internet or a mobile phone.

With this module, you can turn the system on and off while away from home, which will help you reduce gas consumption, and also turn on the system a few hours before you arrive at your country house.

In addition, an autonomous gas supply system can also be supplemented with a remote level gauge or a telemetric fuel level monitoring system.

Remote level meter allows you to know the level of gas in the tank directly from the house. A special instrument shows the percentage of fuel in percent and signals if it falls below 10%.

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The telemetry system allows you to monitor the level of fuel in the tank using the Internet and a mobile phone.

In recent years, the autonomous gasification of the dacha is encountered more and more often and has positive reviews.

Considering also its safety and economy, it is possible to install it safely for the heating of your country home.

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