Gas-holder - what is it and what is its purpose? Gas tank for home heating

The organization of individual gas supply gives a lot of advantages to the owner of a private house, removing his dependence on central communications. In addition, many regions of the country to this day do not have full coverage of the main gasification. In this case, it remains to think over the methods and means of storing explosive and therefore demanding to the content of fuel. The most rational and financially advantageous solution is the gas tank. What it is? It is a roomy tank in which an impressive reserve of gas can be stored, sufficient for long-term maintenance of the house.

gasholder what is it

Purpose of equipment

Gas tank is used as a source of gaseous substances. On the one hand, it acts as a storage facility, and on the other hand, it acts as a tank, from which fuel is provided to supply the target equipment. The most common installation for heating systems.It is for these purposes that gas boilers and boiler tanks are often used, as well as cookers. Means of delivery are pipelines and related communications with sanitary fittings. At the same time, gas for a gas tank can be different, but butane and propane are more often used for domestic purposes.

Device equipment

The traditional design is a one-piece container, the upper part of which provides only one technological hole - the neck. The higher it is, the more effective the protection of the main body from climatic influences. Through the neck is filled and the intake of the fuel mixture, which contains the capacity. The features of the device include the materials used for the gas tank. What is it from a technical point of view? The design of household models is made mostly of steel with rare inclusions of rubberized materials, providing a sufficient degree of tightness. Domestic gas tanks are mainly based on low-alloyed steel alloys of 17G1S and 09G2S grades. Outside parties are necessarily treated with anti-corrosion compounds of polyurethane substances, bitumen and epoxy mixtures.

gas tank for home

Work processes and equipment management are carried out through valves and fittings. Its composition may vary, but even the simplest gasholder for the house will include safety and filling valves, fill level sensors, a regulating gearbox, etc. Expensive models include the presence of automation with high-precision pressure gauges and software control.

Reservoir characteristics

The main technical and operational characteristics include wall thickness, operating temperature, maintained pressure and volume. Usually in the manufacture of sheet steel used thickness of 7-10 mm. It should be borne in mind that the model of the European standard may have smaller indicators - about 5-6 mm. But thin walls are not calculated on the storage of domestic gas mixtures. For a gas-holder in the Russian regions, it is more likely that liquefied propane-butane will be used without special processing, therefore the requirements for structural reliability increase. The temperature range also depends on the region of operation. As a rule, manufacturers provide enclosures with frost-resistant coatings rated at –40 ° C.

As for volume and pressure, these indicators are interrelated. For home use it is recommended to purchase a tank with the possibility of pressure correction up to 16 atm. At the same time, the volume of the gas tank will be 2,000-5,000 liters. There are also domestic models with a capacity of more than 10,000 liters, but due to their size, such gas storages are used extremely rarely.

Types of designs

gas tank refilling

Tanks can be installed horizontally or vertically. The method of location determines the characteristics of the device housing. The difference is that vertical models take up less space, but place higher demands on security. If, on the site, there is a high level of groundwater, then it is better to use a horizontal gas-holder structure. Reviews note that in this case, the implementation of a deep excavation is not required and the risk of equipment flooding will be minimized. But on the other hand, it is necessary to clear a large storage area.

There are designs and the type of occurrence. This classification also applies to horizontal models that can be fully immersed in the ground or installed on the surface.Moreover, differences in approaches also affect management ergonomics and maintenance nuances - suffice it to mention the specifics of technical support for the underground gas tank. What is it in practice? This equipment, which once a year or several years will need to be dug out and checked for a wide range of technical and physical parameters - from tightness to the quality of protective coatings. In this regard, ground models are much more attractive in terms of maintenance costs and ease of management.

Gas tank installation

gas tank installation

Regardless of the placement method, the structure will require a supporting platform. This will be a kind of foundation, which can be performed according to the type of screed or use reinforced concrete tiles 15-20 cm thick. On this platform, with the support of special equipment, the tank is mounted by welding on metal racks. In an alternative embodiment, the installation of a gas tank can be carried out without holding devices on an insulated composite pad, which is chosen specifically for the dimensions of a particular container. This solution is advantageous in that when disassembling it does not require cutting off metal struts.Then, plumbing operations are performed in the form of laying a pipeline and installing a condensate collector. At the final stage, part of the throat is installed control valves.

How is the gas tank refilling?

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Replenishment of fuel is made, on average, once every 2-3 years. And to order this service should be already at a residual level of gas in the tank of about 20-25%. Directly refueling is performed by special machines provided with hoses 30-40 m long. The whole process consists of the following steps:

  • Clearing the area around the equipment and preparing the neck.
  • Verification of instrumentation data showing the exact filling level.
  • Connection of the tank nozzles to the special equipment hose.
  • Zeroing metering automation meters.
  • Fuel supply and gas-tank refueling with the support of pumps or compressor unit.
  • Removal of residual gas by purging the channels with compressed air.
  • Dismantling of connected equipment.

By the time the whole procedure takes an average of 30 to 60 minutes. It depends on the fuel injection technology and the capacity of the gasholder.Reviews of equipment owners say that it costs less to order large quantities in a single order. For example, filling 30% will cost about 20-22 rubles. for 1 liter, and 70% - respectively, 15-17 rubles.

Manufacturers and prices

gas tank

In the engineering equipment market, gas holders are represented in different segments, including the budget class, the middle group and the premium category. Most prominent are such manufacturers as Spetsgaz, Real Invest, Chemet, Calor, VPS and Kadatec. The first two companies represent domestic enterprises, and the rest - Poland and the Czech Republic. As already noted, Russian products are preferable due to their adaptation to the target region of use, but European firms produce models with more stringent quality standards. The price issue can help solve the problem of choice - how much does a gas-holder cost? Russian models for 2,000-2,500 liters are estimated at 130-150 thousand rubles. Imported products of the same level are available for 170-200 thousand.

Calculation of model parameters

Before you make the final decision on the purchase of a gasholder, you should determine the specific characteristics. For this, the average gas consumption is estimated first. If cylinders were previously used, the monthly average of their volume is multiplied by 12.Further, the area of ​​the cottage or house is divided by 10 (approximate boiler power in kW). If the area is 120 m2, then the target boiler plant will be 12 kW. Accordingly, it is necessary to choose a gas tank for a house with a volume capable of serving the heating unit of the specified capacity, while maintaining a reserve for several months or years in advance (for example, with a consumption of 500 liters per year). It also calculates the optimal frequency of filling the tank in terms of financial savings and technical feasibility.


how much is the gas tank

In addition to the numerous advantages of this storage, it is worth noting its disadvantages, which also have to accept. So, it is necessary to take into account the high requirements for alarm and security systems of the gas tank. What is it at the domestic level of performance? First of all, the presence of leakage sensors in critical places at distribution nodes and connecting supply lines. Detectors must be connected to a proprietary or centralized control system with alarms and the option of wirelessly sending an alert. Also for the boiler itself, associated with the gasholder, electrical protection is provided in the form of fuses and voltage stabilizers.

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