Euroteplo - hot water boilers of the kvgm series. Overall dimensions, mm

- MK DKM based on boilers Dnepr are delivered within the boundaries of the boiler building, with chimney and gas ducts.
- As part of the boiler room, a block container for service personnel is supplied (includes an operator's room, a bathroom, a locker room).
- A feature of fuel oil is low temperature solidification (5-45°C), which makes it necessary to heat the fuel oil for its discharge from tanks, pumping, storage and additional heating in front of the burners for better spraying.
- At the request of the Customer, an additional service module for the production of process steam for own needs is included in the boiler room oil farm boiler room. A steam boiler E-1-0.9 manufactured by JSC Dorogobuzhkotlomash is installed in the service module.

Brief description of thermal schemes of MK DKM on boilers of the Dnepr series

Thermal circuit with hydraulic regulator.

It is used for MK DKM on boilers of the Dnepr series with a capacity of 200 - 10500 kW. Usage hydraulic regulator own production allows you to exclude the influence of the hydraulic characteristics of the internal and network circuits on each other, especially in starting modes and modes with low load. The circulation pumps of the boiler circuit are selected regardless of the hydraulic characteristics of heating networks. A three-way control valve is installed to protect the boilers from low return network water temperatures. The temperature of the network water is regulated three-way valve depending on the outside temperature.

Budget version of the thermal scheme.

It is used for MK DKM on boilers of the Dnepr series in the power range of 200 - 13500 kW. Application recirculation pumps instead of the circulation pumps of the boiler circuit, it allows to reduce the productivity and, consequently, the cost of these pumps. check valve provides comfortable conditions for the boiler in starting modes. The supply water temperature is controlled by a three-way valve depending on the outdoor temperature.

Thermal scheme with a heat exchanger of the heating system.

It is used for MK DKM based on the Dnieper in the entire power range (200 - 13500 kW).
The heat exchanger of the heating system excludes Negative influence heating networks for boilers.

Thermal scheme with a plate heat exchanger for domestic hot water

It is used for MK DKM equipped with DHW system, based on the Dnieper (over the entire power range of 200 - 13500 kW).

Thermal diagram with a DHW storage tank installed outside the boiler house

It is used for MK DKM equipped with a hot water supply system, on Dnieper boilers with a capacity of 4000 - 13500 kW. The use of a tank-accumulator can significantly reduce the cost of DHW equipment by reducing power plate heat exchanger. During peak periods, hot water stored in the storage tank is consumed.

Note:

thermal schemes of boiler houses for crude oil are similar to those for fuel oil. To complete the hot water boilers of Dorogobuzhkotlomash JSC, burners of foreign and domestic manufacturers were selected that have the appropriate specifications, permission to use Rostekhnadzor and a certificate of conformity with GOST RF.

Hot water boilers of the KVGM series.

The Supraline gas floor standing boiler is designed for use in buildings with a heated area of ​​up to 600 m2 (in a cascade up to 1200 m2). All models are adapted to Ukrainian gas pressure standards.

Hot water boilers KV-GM series 1.1 and 2.5.
Designed for heating industrial, public and residential buildings, as well as for hot water supply.
The boilers have a heat output of 2.5 MW (2.15 Gcal/h) and 1.1 MW (0.94 Gcal/h), respectively, and are designed to operate on gas or light heating (diesel) fuel. Depending on the type of fuel, the boilers are equipped with burners gas type GG-1, GG-2, liquid fuel RGM-1, RGM-2 or combined RGMG-1, RGMG-2.
The boilers are fully automated, they can operate in the modes of "large" and "small" combustion, which saves fuel. Other positive quality are their small dimensions, compared with boilers of other types of similar performance. The boilers do not require a foundation for installation and can be used both in the construction of new boiler houses and in the reconstruction of existing boiler houses with a lack of space.
On the basis of these boilers, block modular boiler houses of various capacities are also produced.

Short description boilers.

Type of boilers - water tube, horizontal with forced circulation, with one-way movement of gases. The boilers operate on water prepared for heating networks, they are easy to operate and repair.

The fuel is burned in a furnace formed by four walls of pipes with a diameter of 51x4. The space between the pipes is sewn up with plates, which creates a gas tightness for the boiler. Further, flue gases pass through a convective beam formed by horizontal screens of pipes with a diameter of 28x3. After that, the flue gases go into the chimney.

Network water at t=70°C from the return line of the heating network it is supplied to the upper collector of the front wall and, having made several passes through the pipe system of the boiler, returns from t=95°C to another part of the upper front collector, from where it enters the heating network.

The boiler block includes a combustion chamber, a convective bundle, thermal insulation with sheathing, a burner, control cabinet, water fittings.

Advantages of boilers of the KV-GM-1, 1 and 2.5 series

  • new type construction guarantees economical and at the same time environmentally friendly mode of operation
  • high efficiency- up to 93%
  • environmentally and hygienically harmless materials are used in the manufacture
  • small inertia
  • convenience and ease of maintenance.

Technical characteristics of hot water boilers type KV-GM 1.1, KV-GM 2.5 and VK21

Name of indicator

KV-GM 1.1

KV-GM 2.5

Heat output, MW(Gcal/h)

Coolant pressure, MPa (kgf/cm2)

Water temperature, deg. C:

at the entrance, not less than

output, no more

Gas, diesel ton

Gas, diesel ton

Gas, diesel ton

Estimated efficiency, %

dimensions, mm

Weight in the scope of supply, kg

Hot water boilers KV-G-4, 65-150; KV-G-7, 56-150

Hot water water tube boilers KV-G series are designed to obtain hot water used in heating systems. Fuel - gas.

The piping system of the boiler is manufactured as a single transportable unit and is supplied without lining and sheathing.

The boiler delivery set includes burners, explosive valves, ladders and platforms, fittings and control devices within the boiler, air ducts, frame blanks, etc.

Hot water boilers KV-G-4, 65-150 and KV-G-7, 56-150 are produced in accordance with TU-108-969-82.

Indicators

KV-G-4.65

KV-G-7.56

Heat output, MW/h
Gcal/h
Fuel
Gas pressure in burners, min. MPa
(3 hearth burners) max. MPa

0,00085
0,015

0,00085
0,015

Water consumption, m 3 / h
Dimensions, length mm
(pipe system) width mm
height mm

3070
2908
3085

4375
2908
3085

Dimensions length mm
(lined) width mm
height mm

4900
4186
4102

5520
4186
4102

Efficiency, %
Delivery weight, kg
Water pressure: inlet MPa
outlet MPa
Water temperature: inlet deg.C
at outlet grd.C
Flue gas temperature deg.C
Specific CO emissions mg/m3
NOx mg/m3
Vacuum in the furnace, Pa
Hydraulic, boiler resistance, MPa
Boiler aerodynamic resistance, mm w.c.
Service life before decommissioning, years
Seismic resistance, points

The package does NOT include:

  • KV-G-4, 65-150 - fan VD-8; smoke exhauster VDN-9; automation system SA-KV-G;
  • KV-G-7, 56-150 - fan VDN-9; smoke exhauster DN-11.2; automation system SA-KV-G;
  • Circulation pump is calculated depending on the distance and size of heating objects and is not included in the scope of delivery.

for operation on natural gas/oil
with a capacity of 2.5 MW

The hot water boiler FOX-2-115GM (KV-GM-2.5-115) is designed to produce hot water with a working coolant pressure at the outlet of the boiler of at least 0.43 (4.3) MPa (kgf / cm 2) and maximum temperature water at the outlet of the boiler up to 115 ° C, used in heating and hot water supply systems for industrial and domestic purposes, as well as for technological purposes.

Specifications

No. p / p Name of indicator Meaning
1 Boiler type Hot water
2 Design fuel type 1 - Gas; 2 - Liquid fuel
3 Heat output, Gcal/h 2
4 Heat output, MW 2.5
5 Range of regulation of heat output in relation to the nominal, % 5
6 Working (excess) coolant pressure at the outlet, MPa (kgf / cm 2) 0,43 (4,3)
7 Temperature graph of water, ° С 70-115
8 Estimated efficiency (fuel No. 1), % 89
9 Estimated efficiency (fuel No. 2), % 87
12 Delivery type Assembled

The boiler FOX-2.5-115GM (KV-GM-2-115) is made in a gas-tight design, horizontal layout. The materials of elements working under pressure are selected in accordance with the strength calculation of stationary boilers and steam and hot water pipelines RD -10-249-98, agreed with Rostekhnadzor of Russia.
The combustion boiler block FOX-2.5-115GM (KV-GM-2-115) consists of two side screens, each of which is screened with pipes Ø60 × 3mm with a pitch of 85mm, inserted into the upper and lower collectors. Collectors Ø133×6mm.
Strips 40 mm wide are welded between the pipes. 3 mm thick, ensuring the gas tightness of the panels and the furnace of the boiler FOX-2.5-115GM (KV-GM-2-115). From the front of the boiler FOX-2.5-115GM (KV-GM-2-115) there is a panel with a replaceable loophole for burners various manufacturers, a manhole for access to the furnace volume of the boiler and an explosive valve.
On the left side of the front of the boiler, there are inspection hatches for monitoring and controlling the combustion process.
Boiler FOX-2.5-115GM (KV-GM-2-115) of span type along the gas flow. The convective heating surface is located immediately behind the furnace block and consists of serpentine heating surfaces made of pipes Ø28×3mm with a pitch of 50mm and 70mm. Explosion valves are located in the upper part of the convection unit, which also serve to inspect the heating surfaces during scheduled inspections. The convection block is sheathed with heat-resistant and heat-resistant steel sheets, which create the first gas-tight layer, which allows the boiler to operate under pressurization.
The boiler block is self-supporting on a base frame with installed sliding supports having two degrees of freedom, allowing not only to move the elements of the FOX-2.5-115GM (KV-GM-2-115) boiler, but also to rotate the furnace and convection unit around its axis during work. Moreover, the angle of rotation of the furnace block is 25º to the left and right side, and convective - 150º around the axis of the supports. This solution allows you to repair work on the boiler, associated with the replacement of pipes without powerful lifting mechanisms.
The direction of movement of the FOX-2.5-115GM (KV-GM-2-115) boiler block is from the front to the back. To control the movements on the boiler, a benchmark is installed. To ensure gas tightness between the two elements (furnace block and convection block), a lens compensator is welded in, which allows moving elements up to 40 mm.
For the FOX-2.5-115GM (KV-GM-2-115) boiler, a special foundation is not required on the frame. The design of the foundation is developed by the organization designing the boiler room.
As insulating materials, mineral mats on a fabric basis are used, attached to the strips (welded between the pipes) with the help of pins.
Funnels are mounted on one of the side walls of the boiler to drain the coolant from the overhead lines. The free drain lines from the furnace block and the convection block are led to one side of the boiler. Drainage pipelines have a diameter of 28×3.
To complete the boilers, gas, liquid fuel and combined burners of various domestic and foreign manufacturers having the appropriate technical specifications with a description and technical documentation supplied with the burner.
During the installation of the burner, the space between the barrel of the burner device and the removable burner embrasure is filled with refractory material - silica cord filled with type SHKN (X) -1-22 or other materials with a fire resistance of at least 1000º C.
Delivery of the boiler FOX-2.5-115GM (KV-GM-2-115) is possible in a gas-tight version for operation under overpressure or on a balanced draft, depending on the type of burner and the design of the boiler house.
To install the boiler, the packaging parts are first removed from the convection unit and the frames are joined according to the installation drawing. Simultaneously with the installation of bypass pipes, the blocks are docked with the installation of a lens compensator for thermal movements of the boiler. After installing the compensator and ensuring the gas tightness of the block junction circuit, thermal insulation. Install the inlet - outlet collectors of the coolant. Next, you should install the necessary direct-acting devices and automation sensors, mount air vent lines and pressure discharge pipelines.

Steel hot water boiler KVA-2.5 LZH/G (KVGM-2.5) for operation on liquid and gaseous fuel, with a thermal power of 2.5 MW, produced by Energomash (Barnaul), is intended for heating and hot water supply of industrial and housing and communal facilities. This boiler works in open and closed systems heating with forced water circulation. The boiler is a welded gas-tight monoblock consisting of furnace and convection parts. The furnace is completely shielded. The location of the convective part is upper, with two flue gas passes. The boiler block is thermally insulated with basalt mats and lined with steel sheet. The hull has hatches for inspection and cleaning. convective surfaces heating. At the front of the unit there is a hinged loophole for mounting the burner, which is also a manhole into the furnace space of the boiler. The following fuels can be used as fuel for the operation of the boiler unit (when an appropriate burner is installed): gas, fuel oil, diesel fuel, oil, waste oils.

Our company offers a flexible system of discounts! We carry out delivery to the CIS countries and to all regions of the Russian Federation!

Thanks to the fan and smoke exhauster, KVA-2.5 (KVGM-2.5) works with balanced draft. It is installed as the main source of heating in residential and industrial heating boilers, where it works with a constant flow of water. KVA-2.5 operates with a working pressure of up to 6.0 MPa with a coolant temperature at the boiler outlet of 95°C. At the front of the combustion block there is a manhole on which the burner is mounted, which allows servicing the burner without dismantling the boiler. The fuel for these units is liquefied gas, oil, diesel fuel, fuel oil.

Characteristics of boilers KVA-2.5 (KVGM-2.5)

Name of indicator

Meaning

Power, MW (Gcal/h)

Estimated type of fuel

Natural gas / fuel oil

Heat output control range to nominal, %

Calorific value of calculated fuel, kcal/kg

Estimated fuel consumption, m 3 / h

Efficiency (calculated), %, not less

Working water pressure, MPa (kgf / cm 2)

Estimated water pressure, MPa (kgf / cm 2)

Test water pressure, MPa (kgf / cm 2)

Boiler inlet temperature, °C

Water, outlet temperature, °C

Hydraulic resistance to heat carrier, MPa

Coolant flow rate in a unit of time, m 3 / h, not less

The volume of coolant in the boiler, m 3

Boiler heating surface, m 2

The volume of the combustion chamber, m 3

Outlet gas temperature, °C, max

Resistance in the gas path, Pa

Gas pressure in the combustion chamber, kPa, no more

Coeff. excess air, no more

Mass of the boiler plant, kg, no more

Service life, years, not less

The boiler unit is delivered in one block - the boiler block is insulated. Additionally, it can be equipped with a fan and burner of the required type. Complete set of boilers KVA-2.5:

  • security devices,
  • instrumentation,
  • boiler block,
  • stop valve.

Complete set of the boiler KVA-2.5

Name

Boiler block in light insulation

Butterfly valve Du-150

What else to read