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Gas heating boiler room 810 kW

  • Added: 01.07.2014
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Gas heating boiler house with capacity of 810 kW on the basis of two Viessmann Vitoplex-100 405 kW boilers. Working design: General explanatory note - PZTeplomechanical solutions - TMGase supply. Internal device - external GSVGase supply - GSNArchitecture and construction solutions - ASElectrosnabatsiya - EM

Project's Content

Name Size
icon azovaja_otopitelnaja_kotelnaja_moschnostju_810_kvt.zip
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icon Gas_heating_boiler_room_810_kW
icon l.14_Suspensions..cdw
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icon Metal_door_Dm_1_l._9_5_ism_for_diagons..cdw
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icon Metal_door_Dm_2_l._10.cdw
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icon Metal_support_for_pipe_l.11.1.cdw
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icon Metal_support_for_pipe_l.11.2.cdw
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icon General_data_l.1.1.cdw
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icon General_data_l.1and.cdw
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icon General_data_l.cdw
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icon Plan_at_el._0.000_II_version_of_l._4.cdw
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icon Plan_at_el._0.000_Ivariant_l._3.cdw
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icon Floor_Plan,_Roof_Plan,_Beam_Plan,_1_1,_L.5.cdw
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icon Sections_1_1.2_2.Vent_pipe_passage_nodule_l.12.cdw
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icon Facades_l.cdw
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icon Foundation_for_support_F1_l._8.cdw
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icon Foundation_monolithic_slab_l.2.cdw
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icon Foundations_for_equipment._6.cdw
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icon GSV
icon Types_A,_B.l.4_.cdw
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icon Custom_specification_l.1_n.cdw
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icon Custom_specification_l.2.cdw
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icon About_it_is_given_by_GSW.l1.1.cdw
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icon Oh._given._GSV_l.1.2.cdw
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icon Floor_support_O_1._Appendix_1.cdw
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icon O_2_support,_O_3._Appendix_2.__.cdw
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icon Plan_for_0.000_GSV._l2.cdw
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icon Diagram_of_boiler_house_gas_pipelines._l.3.cdw
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icon HV_type_shut-off_valve_shelter_cabinet._Appendix_3..cdw
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icon GSN
icon Coil_for_counter.cdw
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icon Column_K1._l.10.cdw
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icon l.2._Situation_Plan.cdw
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icon General_data._l.1.cdw
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icon General_data._l.2.cdw
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icon The_passage_of_the_gas_pipeline_east_across_the_road._l.9.cdw
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icon The_profile_of_the_gas_pipeline_is_high._pressure_l.6.cdw
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icon The_profile_of_the_gas_pipeline_is_high._pressure_from_support_11_to_support_29._l.6_before._option.cdw
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icon The_profile_of_the_gas_pipeline_is_high._pressure_from_support_29_to_UP12._l.7.cdw
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icon The_profile_of_the_gas_pipeline_is_high._pressure_from_the_support_58_to_the_input_to_the_GRPSH._l.8.cdw
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icon The_profile_of_the_gas_pipeline_is_high._pressure_from_t._Tie-in_to_support_11,_low_pressure._l.5.cdw
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icon Gas_calculation.doc
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icon Specification_l.1.cdw
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icon Specification_l.2.cdw
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icon Specification_l.3.cdw
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icon Node_I._Section_A_A._Section_1_1,_2_2._l3.cdw
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icon pz
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icon Tm
icon Axonometric_diagram._l.6_(IZM.1_CANCELLED).cdw
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icon Process_drain_tank._Annex_3.dwg
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icon Heat_Insulation_List._l.10.cdw
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icon Pipe_attachment._Type_1,2._Appendix_1..cdw
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icon Attachment_of_pipelines._Type_3,_4._Appendix_2..cdw
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icon l.1.1._and_General_data_(IZM.1).cdw
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icon l.5and_Process_Piping_Routing_Plan._(AMENDMENT_1).cdw
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icon l.6i_Axonometric_diagram._(IZM1).cdw
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icon l.8and_Section_2_2._(AMENDMENT_1).cdw
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icon l.9i_Layout_plan_of_process_drain_tank._Section_3_3_(IZM.1).cdw
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icon L.SO5i_Specification_(IZM.1).cdw
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icon General_data_l.1.1_(IZM.1_CANCELLED).cdw
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icon General_data_l.1.2.cdw
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icon Process_Piping_Routing_Plan._l.5_(IZM.1_CANCELLED).cdw
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icon Location_plan_of_process_drain_tank._Section_3_3._l.9_(IZM.1_CANCELLED).cdw
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icon Equipment_layout_l.3.cdw
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icon Foundation_and_hole_plan._l2.cdw
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icon Section_1_1._View_A._l.7.cdw
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icon Section_2_2._l.8_(IZM.1_CANCELLED).cdw
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icon Permission_to_make/modify_1_TM.cdw
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icon Specification_l.1.cdw
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icon Specification_l.2.cdw
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icon Specification_l.3.cdw
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icon Specification_l.4.cdw
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icon Specification_l.5_(IZM.1_CANCELLED).cdw
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icon Schematic_diagram._l.4.cdw
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icon Em
icon list2._Cable_Selection_Table_.cdw
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icon EM2_sheet_1._General_data_(with_ATS).cdw
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icon EM2_sheet_1._General_data_1_(with_ATS).cdw
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icon EM2._sheet_10._Boiler_room_grounding_device.cdw
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icon EM2._sheet_12._Scheme_of_potential_equalization_with_ATS.cdw
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icon EM2._sheet_3._SHR_cabinet_Single_line_diagram_0.4kV_(with_ALT).cdw
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icon EM2._sheet_4._SCHAP_cabinet._Explanatory_Connection_Diagram.cdw
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icon EM2._sheet_5._CAS_cabinet._Single-line_circuit_0.4kV.cdw
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icon EM2._sheet_6._Network_plan_0.4kV..cdw
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icon EM2._sheet_8_1._Cable_tube_magazine_(with_ALT).cdw
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icon EM2._sheet_8_2._Cable_tube_magazine_(with_ALT).cdw
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icon EM2._sheet_9._Lighting_Plan.cdw
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icon EM2._sheet_9._Lighting_Plan2.cdw
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icon EM2._sheet_9._Lighting_Plan3.cdw
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icon EM2._list11._Lightning_protection._Calculation.cdw
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icon EM2._list7._Routing_of_pipes,_cables.cdw
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icon EM2._PAGE._sheet_1._Specification_(with_ATS).cdw
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icon EM2._PAGE._sheet_2._Specification_(with_ATS).cdw
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Additional information


1. General part

1.1. Design Input

1.2. Current situation

1.3. Design solution

2. Thermal mechanical part

2.1. Main technological solutions

2.2. Boiler Room Thermal Diagram

2.3. Number and qualification of employees

3. Gas supply

4. Architectural and construction part

5. Electrical part

Boiler room lighting

Power electrical equipment

6. Integrated Automation

7. Heating and ventilation

8. Fire alarm system and fire protection measures

1.1. Design Input.

The working design of the heating boiler house was carried out on the basis of technical assignment No. 078/06 dated October 20, 2006, in accordance with the technical specification. terms and conditions xxxxx dated 20.10.2006 issued by OGE "xxxxxxxx," tech. xxxxxxx dated 26.04.2006 issued by xxxxxxxxx.

The boiler room is designed for heat supply of heating, ventilation and hot water supply systems of buildings and structures of the Central Ural production base "xxxxxxx."

1.2. Current situation

Heat supply of existing buildings and structures of the production base is carried out from heating networks xxxxxxxxx .

1.3. Design solution.

In accordance with the design assignment, the parameters and capacity of the boiler house are as follows:

Coolant - water 90/70 ° С.

The heating capacity of the boiler house is 810 kW (in the future 1.62 MW).

The heat supply system is closed.

Sewerage - discharge of production effluents into the designed tank of process drains.

Power supply - from existing networks of OJSC "Prokotmontazh"

Fuel - natural gas with Qp = 8113 kcal/m3.

2. Thermomechanical part.

2.1. Main technological solutions.

Boiler house performance according to a design assignment is 810 kW, with heat carrier parameters (water) of T1/T2=90/70 °C.

Two Vitoplex 100 hot water boilers (manufactured by Viessmann, Germany), rated thermal power Q = 405 kW each, with two-stage gas burners WG 40 N/1C, are accepted for installation. ZMLN Q = 55-550 kW (manufactured by Weishaupt, Germany), and there is also room for the installation of two additional boilers (for the future development).

Boilers are installed in a separate building with a fire resistance of at least 0.75 hour and a fire propagation limit of zero.

Flue gas removal is carried out through two chimneys with a diameter of D300 mm due to natural pipe thrust.

Ventilation of the boiler house is influential with a natural impulse. Air inflow is carried out through two blocks of louver screens 600x400 located in the lower part of the entrance door (there are two entrance doors in the room). Exhaust - through deflectors Ø 400.

Coolant circulation in the system is carried out by network pumps installed on the heating system pipelines in the boiler room.

2.2. Boiler room thermal diagram.

Heat supply is carried out according to an independent scheme through a high-speed plate heat exchanger manufactured by Uralteplopribor, Q = 1000 kW, separating the boiler circuit and the heat consumer circuit.

Operating parameters of a contour "kotelteploobmennik": T = 90700C, Rrab.=0.35 of MPa;

Operating parameters of a contour "teploobmennikpotrebitel": T = 85650C, Rrab.=0.25 of MPa.

Temperature mode is constant. Weather-dependent control is supposed to be carried out at consumer heating points.

To compensate for heat expansion of the coolant, 2 expansion tanks "Elbi," V = 200l and V = 750l are provided, connected respectively to the pit and to the network circuit.

Heating network makeup - from the existing fire-drinking water pipeline of the administrative building (P = 0.45MPa ).

For chem. cold makeup water treatment unit is used for softening of continuous water TS 9012M, capacity 2.4 m3/h, RH = 100 W.

In a network contour the dual WiloDPL 65/155-5.5/2 circulator is installed (N of =25 m; G = 35 m3/h; Ral = 5, 5kW, U = 400 B).

In a boiler contour the dual WiloDPl 65/115-1.5/2 circulator is installed (Grab of =34.9 m3/h, N of =10 m, Rel.=1.5kvt, U=400 B).

The operation service shall organize water pressure control in the system. In order to ensure reliable and durable operation of boiler units, any water analysis should be excluded from the system. Leaks due to leaks in the glands should also be minimized.

Draining from boiler and auxiliary equipment as well as draining of possible chimney condensate are provided in existing Ø100 ladders. From the ramp along the sewage pipe, the drains fall into the underground process drain tank V = 10 m3, located outside the building.

Gas supply

This project of the gas facility "Magnitogorsk, xxxxxxxxxxx" xxxxxxxxxxxx production base "Heating Boiler House" was developed on the basis of the technical specification No. xxxxxx dated October 20, 2006, in accordance with the specification. conditions xxxxxxxx dated 20.10.2006 issued by OGE "xxxxxxxxx," and technical. Terms xxxxxxxx dated 26.04.2006 issued by xxxxxxxxxxxxx.

The consumers of the gas in the boiler house are two Vitoplex 100 water heating boilers (manufactured by Viessmann, Germany), rated thermal power Q = 405 kW each, with two-stage gas burners WG 40 N/1C isp. ZMLN Q = 55-550 kW (manufactured by Weishaupt, Germany). In the future, it is planned to install two additional boilers .

Gas supply of the boiler house - from the gas pipeline of the lump shop of OJSC MMK Du50 mm

To reduce the gas pressure, there is a plant-made GRPP GSGO 50/2SGE with a maximum throughput of 830 nm3/h with two reduction lines, with a measuring complex SGECR40/1.6 with a measuring range () to reduce the gas pressure from 0.6 MPa to 5 kPa. The lower limit of GRPP stable control is not more than 30 nm3/h. The pressure of natural gas in the high-pressure gas pipeline is 0.6 MPa, in the low-pressure gas pipeline - 5.0 KPa.

The maximum gas flow per boiler house is 100 nm3/h, in the future - 200 nm3/h.

Blowdown of the external gas pipeline - through existing cranes at the initial (at the point of tie-in to the existing gas pipeline) and final (in front of the gas pipeline) sections.

At the commissioning of the boiler room, a shut-off solenoid valve D100 of the HV series is installed (for operation under a canopy at a temperature of approx. environments 45... + 40.) Gas meters RVG G40, D50 are installed in front of each burner for process accounting of gas flow rate in the gas pipeline. Blowdown plugs are brought outside above the eaves of the building by 1.0 m.

Installation and testing of the gas pipeline shall be carried out in accordance with the requirements of the regulatory documents specified in the column "Reference documents" (see the sheet "General data"), taking into account the requirements given in the technical specifications.

After installation, pipelines and equipment are painted with oil paint for 2 times on a pre-loaded surface.

Identification painting of pipelines is performed in accordance with GOST 1420269 "Pipelines of industrial enterprises. Marking, warning signs and marking boards. "

On the flange connections there are current-conducting jumpers from the strip (see PKO.01.0006.06GSV l.1.2 "General data").

Boiler room doors are metal, open to the outside. The fire and explosion hazard category of the boiler room is "G," the fire resistance degree of the boiler room is -II.

Architectural and construction part.

Boiler house building is located on the territory of

production base xxxxxxxxxxxxxxxx.

The project has been developed for the following climatic conditions:

- standard value of wind load - 38kgf/m2,

- estimated snow cover value - 2.4kPa (SNiP 2.01.0785 * "Loads and impacts").

- design outside air temperature of the coldest five-day period 340С,

Fire resistance rating of the building - II. Explosive and fire hazard category -D.

The degree of responsibility of the building is II normal.

The boiler building is one-story, rectangular, in plan dimensions 12.0x7.2m in axes.

Electrical panel room is attached along axis "1." The height of the boiler room to the bottom of the coating plates is 3.5m.

Foundations - cast-in-situ railway slab on sand cushion = 500 mm.

External walls are designed in two versions:

I variant - brick = 380mm with insulation with mineplate and facing with refractory brick = 120mm.

II version - foam concrete blocks = 400 mm.

Floor - from railway multi-empty plates. Jumpers - prefabricated reinforced concrete.

Floors - ceramic tiles on the railway plate.

The roof is single-pitched. Coating - sheets of profoil with a polymer coating on a metal frame with insulation with a semi-rigid mineplate.

Wooden windows with separate double glazing. The dimensions of the windows provide the glazing area necessary for the boiler room. Glass = 8.64 m2, V = 290 m3.

The glazing area together with the area of the easily discharged roof is more than 3% of the room volume.

Foundations for equipment - cast-in-situ concrete.

External doors - metal, insulated, with a block of louver screens located in the lower part.

Corrosion protection - wooden structures are treated with flame retardants and antiseptics, painted with oil paint. Anchors are protected against corrosion by a layer of cement mortar. Metal products and structures are coated with primer or paints for 2 times.

Chimneys are made separate, fixed in metal support resting on monolithic foundation.

Technical and economic indicators:

The built-up area is 105.55 m2;

Total area 82.9 m2;

Construction volume 427.74 m3;

5. Electrical part.

5.1. Boiler room lighting.

The lighting network of the boiler house is made at 220 V. Lamps for explosive rooms LZ236 with fluorescent lamps TLD36W are used. Illumination is accepted according to SNiP 230595 "Natural and artificial lighting. Norms and rules. " The boiler room lighting is controlled by the switch at the entrance.

5.2. Power electrical equipment.

The feeding route is executed in the air way by VVG0.66 cables to flog. 4x35mm2 on existing cable rack, partially on cable suspension.

On input of the boiler house the guard of automatic switching to a reserve of ShchAP43UHL4, 63A, 380V is established. Cabinets are adopted for receiving and distributing electricity: RH352, RH341 for explosive premises.

Total power of boiler house electric receivers is:

Rust = 17.4 kW, Racch = 13.92 kW, Iacch = 21.17A.

Distribution networks are made with copper cables of VBG0.66 4x35mm2, VBG0.66 4x10mm2, VBG0.66 5x4mm2, VBG0.66 5x2.5mm2, VBG0.66 3x2.5mm2 grade in the floor, in steel pipes, open - on the boiler walls.

To ensure electrical safety, the project provides for the grounding of metal parts of electrical installations and the implementation of a potential equalization system.

The project provides for measures for lightning protection of the boiler building .


The boiler house of the Central Ural production base "xxxxxxx" is equipped with 2 Viessmann Vitoplex 100 boilers with a capacity of 405 kW each with a gas burner.

The safety automation system ensures the cessation of gas supply to the burners in case of emergency situations, namely:

when the burner flame goes out;

when power supply is stopped;

when the gas pressure upstream of the gas burner is reduced or exceeded;

at reduction of air pressure upstream the gas burner;

at increase of water in the boiler more than 90 ° С.

if there is no water in the boiler;

at actuation of protection against short-circuit currents and overloads;

in case of fire in the boiler room.

When one of the protections is activated, the solenoid valve installed on the boiler gas pipeline is closed.

The burner thermal power is controlled automatically from the boiler thermal power controller.

Solenoid valve installed on common gas line stops gas supply at:

gas contamination in the boiler room of CH4 and CO (at ССН4=12±8% of NKPR, SSO of =100mg/m3)

increasing the gas pressure in the header upstream of the boiler,

decrease and increase of coolant pressure,

when the power supply is stopped.

The boiler room has light and sound alarm:

gas contamination of room CH4> 10±5% of NKPR,

gas content of CO room > 20 ± 5 mg/m3,

lowering and increasing the pressure of natural gas before the burner,

decrease and increase of coolant pressure,

burner accident: flare failure in the burner and reduction of air pressure before the burner, fire in the boiler room.

Alarm devices are mounted on the boiler room automation board. In case of an accident, the light alarm is output to the boiler room automation panel. The sound alarm is duplicated by a sound signal in a room where maintenance personnel are constantly present.

7. Heating and ventilation.

Heat losses through building structures are compensated by heat emissions from cast iron radiators connected to the pit circuit. Radiators are installed under light openings and near external walls. Ventilation of the boiler room is natural. The volume of supply air is determined by 3 times air exchange per hour plus the flow rate of air required for combustion. Air inflow is carried out through two blocks of louver screens 600x400 located in the lower part of the entrance door. Exhaust - through two baffles Ø 400.

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