LPG gas extinguishing modules are used. Gas extinguishing module Maintenance of automatic gas extinguishing installations

Modern industrial, residential and public buildings are unthinkable without an extensive system of power lines and the use of various types of electronic devices, from automatic locks and electric fans to complex computer systems or communication networks.
A significant part of production works with the use of substances that are not recommended to be allowed to come into contact with water, or which cannot be extinguished when ignited with water. In such cases, anhydrous extinguishing agents must be used. One of the ways to implement fire extinguishing without the use of water or aqueous solutions of chemicals is the use of gases.

Automatic gas fire extinguishing installations operate in a mode that does not require the presence of a person. For the full operation of such devices, they must correspond to certain parameters and have some design features, including:

Availability of a constant supply of compressed, liquefied or concentrated non-combustible gas;
Equipment of installations with a fire detection system;
Completion of fire extinguishing systems with locking devices, which are in constant readiness for operation;
Optimum distribution of working heads for guaranteed protection of the entire room.

To ensure these properties, the automatic gas fire extinguishing system is equipped with special devices, each of which performs specific functions. In order for the installation to work most efficiently, all of its components must interact optimally. This is achieved by using exclusively certified parts and components, the properties of which do not differ from the design ones.

Automatic gas fire extinguishing systems are complex systems, in the design of which many factors and parameters should be taken into account. These are the physical and chemical properties of gases, and the reaction of gas storage tanks and pipelines to high or low temperatures, the dependence of pressure on the temperature and humidity of the ambient air, etc.

The design of gas fire extinguishing should be carried out in accordance with the terms of reference by the forces of enterprises and organizations that have been issued the appropriate licenses. Like other fire extinguishing equipment, gas fire extinguishing equipment is subject to certification and must comply with certain standards described in the relevant SNiP and GOST.

Modular gas extinguishing systems

The most optimal design for use at objects of various purposes are modular gas fire extinguishing installations. Their main feature is the storage of gas in separate modules of limited volume, which can be combined into batteries. The number of modules in each battery is practically unlimited, and is determined only by the parameters of the protected premises. In small rooms, it is possible to use installations consisting of one separate module, if its calculated volume is sufficient to extinguish any theoretically possible fire in a room of this type, taking into account the characteristics of the materials stored there.

The main part of such a system is the MGP gas fire extinguishing module. It is an ordinary gas cylinder made of high-alloy steel. The cylinder capacity is in the range of 80 - 150 liters. Modern automatic gas fire extinguishing installations are equipped with modules coated on the outside, inside, or both sides with polymer compounds. This protection extends the life of an individual module many times over.

The conditions in the rooms where the modules are installed may have high humidity, dustiness or be accessible to the penetration of a certain amount of corrosive substances, for example, water vapor or vapors of acids and alkalis. Isothermal modules for gas fire extinguishing for the storage of liquefied gas (CO₂) are characterized by heat-resistant enclosures.

The robust, corrosion-resistant housing of the module ensures the operation of the entire system for a long time.
The cylinders are equipped with shut-off and starting devices - valves that open almost instantly with the help of squibs, pneumatic or electrical devices. Triggers are triggered by a signal from the detectors. The type of signal depends on the design features of the automatic gas fire extinguishing system.

Module Impulse 20

For protection against fire in a separate room, a gas extinguishing module Impulse 20 is used. Its distinctive feature is complete autonomy. For a full-fledged work, no installation of pipelines and complex control systems is required. It is a spherical metal flask (balloon) equipped with a shut-off mechanism in the form of a collapsing glass flask, an electrically driven shock rod and an atomizer head.
The cylinder is filled with Halon 125 gas in the amount of 18 kg. Other parameters:

Gas pressure in the cylinder is 25 bar;
Response time with an electrical impulse of the detector 2s;
Duration of gas spraying 10s;
Thermal lock destruction temperature 68˚;
Number of operations 5;
Operating temperature range -10, + 50˚С.

The module is located suspended under the ceiling with the calculation of 1 device per 30 m³ of the room volume. One module equipped with a switchgear can be used to protect two adjacent small rooms.

When a signal is received from the detector, an electromechanical device is triggered, the rod is activated and breaks the glass flask of the lock. Gas fills the room and extinguishes the fire. If no detectors are provided, then the constipation flask itself is triggered. It collapses when the room temperature reaches 68˚ and the module also works.

Such installations are used to extinguish switchboards, server rooms, book depositories, generator, painting areas and other rooms where people are not constantly located.

IHP module 50 100

The MGP 50 100 gas fire extinguishing module is manufactured with a cylinder capacity from 60 to 100 liters. The module uses freon 125 or 227ea, freon 23, carbon dioxide, argon, nitrogen or gas mixtures that form a filler that displaces oxygen from the area surrounding the combustion center as a fire extinguishing gas. The use of one or another gas is determined by the characteristics of the protected object.

Cylindrical cylinders of the module are installed in a horizontal or vertical position. They can be connected to gas pipelines and an automatic gas fire extinguishing system, in this case, serves several adjacent rooms, united by one fire alarm system. The module is opened using a pneumatic or electromechanical starting system.

One refueling of fire extinguishing modules remains operational for 10 years, then check and refueling is required. After triggering, the module is also recharged. Over the course of 25 years, which is the service life of one module, it can be refueled up to 10 times. In the battery of MGP-type modules, cylinders with electric start and pneumatic start are installed simultaneously, operating in parallel.
Modules work in a similar way:

IHP 50 80;
IHP 60 60;
IHP 60 60 24;
IHL 16 100;
IHL 35 60.

They differ in the capacity of the cylinders and, in some cases, in the type of locking devices.

Gas extinguishing module LPG 145

A modular battery system is used to extinguish a fire with the help of freons of various modifications, an element of which is an LPG 145 module, developed and manufactured in Spain. Stainless steel cylinders with a capacity of 13.4 to 100 liters are equipped with solenoid valves with electric, pneumatic or manual start.

LPG gas extinguishing modules can be used both individually and as part of a battery. In the latter case, the first - the control cylinder is connected to the fire alarm system by electric wires and is configured to trigger an electric or manual opening type. The rest of the modules are pneumatically driven by means of a gas pipeline, from the pressure of the freon of the first cylinder. The inertia of such a system is very small.

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Moscow, Olonetsky pr-d, 4, building 2;
St. Petersburg, st. Kalinina, 13;
Yekaterinburg, Aivazovsky, 53

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In order to comply with the Privacy Policy and the security of your personal data, we bring their standards to the employees of the Company and strictly monitor the implementation of these measures within the Company.

PRIVACY QUESTIONS

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LPG Técnicas en Extinción de Incendios, S.A. ISTA-Komplekt CJSC

GAS FIRE EXTINGUISHING MODULELPG.

technical description and operation manual.

2. Composition and principle of operation of the LPG gas extinguishing module

2.1. FE module

2.2. Composition and principle of operation of ZPU

2.3. The principle of operation of the pilot and slave modules

2.4. Telescopic check valves

2.5. Collector

2.6. Manifold pressure switch

2.7. CO2 module

2.8. GOTV weight control system

2.9. LPG switchgears

2.10 Mounting, module and battery racks

2.11. Horizontal modules

3. Main technical characteristics

4. Indication of safety measures

5. Preparing the module for work

6. Electrical installation

7. Completeness

8. Packaging and preservation

9. Marking and sealing

10. Maintenance

11. Transport and storage

12. Certificate of acceptance

13. Warranty obligations

14. Passport data of the module

15. Information about the refueling of the module

16. Information about the movement of the module in operation

17. Information about the module triggers

18. Manufacturer Information

19. Details of the supplier

Regulations
Composition of modules and batteries
FE module
Battery FE
Overall dimensions of the racks of modules and batteries with weight control
Procedure for setting the weight control device version 5.1
Certificates

This passport for the gas fire extinguishing module (hereinafter referred to as the "module") is a document combined with a technical description and operating instructions, contains a description of the device and the principle of operation of the module, technical characteristics and instructions for its operation.

When studying and operating the modules, it is necessary to be guided by NPB 54-2001 "Automatic gas fire extinguishing installations. Modules and batteries. General technical requirements. Test methods" and regulatory documents given in Appendix N 1.
1. PURPOSE OF THE PRODUCT.

Fire extinguishing module- a device in the body of which the functions of storing and supplying a fire extinguishing agent are combined when a starting pulse is applied to the module drive. The module is designed to extinguish fires of class A, B and C and electrical equipment under voltage, gaseous extinguishing agents (GEF). The modules are used for fire protection of premises and technological equipment as part of volumetric and local fire extinguishing installations.
2. COMPOSITION AND OPERATING PRINCIPLE OF THE LPG GAS FIRE EXTINGUISHING MODULE.

2.1. ModuleFE
The module consists of a cylinder and a locking and starting device (ZPU). The ZPU is equipped with a solenoid valve for the 3023024V module (electromagnet), a manual valve for the 30180APV module, a pressure gauge, a pressure indicator for the 3031003C module, a safety top cover, and an outlet hose is connected. An outlet hose connects the module to the piping on which one or more nozzles are mounted. The module is rigidly fixed with brackets.

Rice. 1. Gas extinguishing module
To release the gas extinguishing agent from the cylinder during automatic and remote start-up, the control station supplies voltage to the solenoid valve installed on the cylinder.
Start pulse parameters:

DC voltage, V 24 (from 20 to 27)

Current strength, A from 0.42 to 0.54

Voltage application time, not less, s: 0.008

Electrical resistance of the solenoid valve solenoid, Ohm 512.0

Plug connection type:

The usual version is RS 4TV GEO. 364.126TU BRO. 364 047TU,

The explosion-proof solenoid valve has a 3m cable, hermetically connected to the solenoid valve body. The recommended cable for connection is armored, with a conductor cross-section of at least 1 mm 2 and an outer diameter of no more than 6 mm.

The degree of protection in accordance with GOST 14255-69 (explosion-proof version) - IP65.

Explosion protection marking - 1ExsellT6.

The current strength for monitoring the continuity of the solenoid valve solenoid circuit should not exceed 0.1 A.

The number of operations within 20 years is at least 10 times.

Fig. 2. LPG module locking and starting device
In the case where the fire extinguishing system consists of one cylinder, the starting system consists of a solenoid valve for the 3023024B module and a manual pneumatic valve for the 30180APB module, as shown in Figure 2.
Three types of locking and starting devices LPG-128, LPG-145, LPG-190 are used, the form of which is shown in Fig. 3.

Rice. 3. Locking and starting devices LPG-128, LPG-145, LPG-190.
The LPG-128 locking and starting device is used with FE cylinders with a capacity of 13.4 and 26.8 liters, with CO2 cylinders 40.2 and 67 liters and cylinders for compressed gases 80 and 140 liters. ZPU LPG-145 is used with FE cylinders with a capacity of 40.2 and 67 liters. ZPU LPG-190 is used with FE cylinders with a capacity of 75 and 100 liters.

MAINTENANCE OF AUTOMATIC GAS FIRE EXTINGUISHING UNITS.

GAS FIRE FIGHTING - This is a type of fire extinguishing in which gas extinguishing agents are used to extinguish fires and fires: freon, inert gases or carbon dioxide. Gas fire extinguishing highly efficiently extinguishes fires and fires and at the same time saves the protected material values as much as possible. It is widely used to protect server rooms, data centers, electrical control rooms, cable channels, bank, museum, library values, etc.

Gases (gas extinguishing agents)

Freons, inert gases, carbon dioxide CO2 are widely used in the Russian market for extinguishing. The most common freons for use are freon 23, freon 125, freon 227ea, Novec 1230. From a safety point of view, from all the gases used, freon 23 is released, which has unique properties in toxicology and can be recommended for the protection of premises with people. In addition, this gas has the best opportunities for organizing extinguishing stations and protecting premises located at large distances from the gas storage site. This is due to the fact that freon 23 has special physicochemical properties. Its boiling point is minus 82˚С, so it is stored in a cylinder under a pressure of about 40 atmospheres and when the cylinder is opened it turns into a gaseous state. This allows it to spread over long distances horizontally and vertically. This gas spreads horizontally about 100 meters or more, and upward - to a height of 20 - 25 meters. The properties of freon 23 make it possible to reliably and safely protect objects of any complexity for people.

Gas extinguishing agents are supplied in cylinders from various manufacturers. First of all, these are cylinders from a Russian manufacturer, which are of high quality, availability in stock and short delivery times. Also, gas extinguishing agents are supplied in TYCO LPG cylinders, which have proven themselves in the Russian market for more than 18 years.

Carbon dioxide CO2 can be supplied both in cylinders up to 100 liters or LPG or supplied in large-capacity isothermal tanks. A wide range of cylinders from different manufacturers allows you to optimally solve the problem of protecting an object in terms of fire protection.

Moscow, Olonetsky pr-d, 4, building 2;
St. Petersburg, st. Kalinina, 13;
Yekaterinburg, Aivazovsky, 53