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I. PUMPS FOR NUCLEAR POWER PLANTS

 

JSC “SMNPO – Engineering”  is the main supplier of special pumping equipment for all NPP generating units. Nuclear power plants in Ukraine, Russia, Armenia, Bulgaria, China, India and other countries operate with pumping equipment made by the company.

 

The first pumps were manufactured in 1981. The pumps are manufactured in specialized shops in full conformity with the safety norms and regulations of the State Committee for nuclear Energy Control under the Environment Ministry and are subjected to strict control. The Company has advanced testing facilities. The products have total service life of at least 30 years.

 

Moreover, the Company manufactures large-sized centrifugal and axial pumps for cooling technical water supply.

 

Total amount of standard sizes of pumping equipment for NPP manufactured at the Company is more than 90 items.

 

JSC “SMNPO – Engineering” manufactures the following pumps for NPPs:

 

Condensate pumps are designed for feed of turbine waste steam condensate, condensate of heating steam from heat exchangers of NPP power units and liquids similar to condensate on viscosity and chemical characteristics.

 

     – According to design modifications pumps KsVA 900-180, KsVA 1000-190, KsVA 2200-100, KsVA 2200-170-1 are of centrifugal, vertical, double casing and multi staged type. They provide stable head at parallel operation of pumps and deficiency of air leak through operative and inoperative pump. Pumps are rated for operation with minimal available positive suction bead in vacuum at inlet at condensate temperature close to saturation temperature. To improve anticavitation characteristics before the first stage impeller it is installed booster impeller.

     – Pumps KsVA 1500-240 are centrifugal, horizontal, single stage with double-entry impeller. They are designed for feed of condensate to deaerator.

 
Specification
Pump typeCapacity,
м3/hour
Нead,
m
Rotation speed
(synchr.),
rpm
Motor
power,
kW
Pump overall dimensions,
mm
Pump
weight,
kg
   КsVА 900-180900180150010001625 х 1700 х 543512760
   КsVА 1000-1901040190150010001800 х 1700 х 543512760
   КsVА 1500-120150012075010002200 х 3200 х 787512315
   КsVА  1500-120-11850957508002185 х 2100 х 522520900
   КsVА 1500-120а18509575010002200 х 3200 х 611022000
   КsА 1500-240-21500240300016004810 х 1800 х 16858750
   КsA 1500-240-2а1850170300016004810 х 1800 х 16858750
   КsV 2200-1002200100150010001895 х 1960 х 621018360
   АКsVА 2200-170-12200170150016001960 х 2100 х 716518250
   АКsVА 1500-120-21850*95*7508002100 х 2277 х 538321100
   АКsVА 2200-220-12200*211*150020002309 х 2684 х 680523400

* –  at current frequency 49 Hz

The pumps are applied in different systems of NPP power units and designed for pumping out and feeding of process, chemical, neutral and aggressive medium.

 

Cradle-mounted pumps are centrifugal, single stage, horizontal with forged or cast casing.

Material of casing  is austenitic or carbon steel.

Electric motor is used as a pump drive. Motor and pump shafts are connected with flexible plate coupling or pin coupling.

Rotor shaft is sealed with mechanical end seal. Axial forces are balanced by devices connecting discharge and suction chambers of the pump.

Specification
Pump typeCapacity,
м3/hour
Нead,
m
Rotational speed
(synchr.),
rpm
Motor power,
kW
Pump overall
dimensions,
mm
Pump
weight,
kg
CNА 100/50100503000221620 x 711 х 410550
CNА 100-50-2100503000221620 х 712 х 445510
АCNА 100-50-3102523000301465 х 640 х 470500
АCNА 100-50-4100503000301465 х 640 х 415440
CNА 25/5225523000111360 x 518 х414390
АCNА 200-1202001 2030001102245 х 950 х 6801360
CN 250-20250201500221807 x 630 x 859650
CNА 6000-30604830.610008005170 x 2020 x 178011000
CNА 600-25600251000752475 х 920 х 13502000
CN 400-40400401500902605 х 1265 х 11601700
CN 420-45420451500902225 x 670 x 9151500
CN 2500-7025007080008004290 х 1680 х 240512000

питательныеThe pumps are designed for supply of feed water to steam generators of nuclear power plants.

 

Feed water pumps are centrifugal, multi stage, horizontal, single or double sectional.

 

In new designs double casing modification is applied, that makes possible to decrease considerably the time and to reduce labour costs for pump revision and repairing.

 

Electric motor is used as a pump drive.

 

 

Specification

Pump typeCapacity,
м3/hour
Head,
m
Rotational speed
(synchr.),
rpm
Motor power,
кВт
Pump overall
dimensions,
mm
Pump
weight,
kg
   PEА 65-506558030002003135 х 1030 х 11003100
PEА 150-8515091830008004285 х 1210 х 12256800
   PEА 850-65850714300025005415 х 1680 х 162013730
PEА 1650-801650910300050006605 х 2130 х 200026300
  PEА 1650-80а1650830300050006605 х 2130 х 200026300
   АPEА 1150-751154760300035008850 х 2925 х 197520000
   CN 150-9015091030008004260 х 1120 х 14096200
  CN 150-90Г15091030008004260 х 1275 х 14096650
  PEА 150-85-1150*850*30006304390 х 1490 х 19407310
   АCNА 150-90-115090029735254417 х 1380 х 16006600
   АCNА 150-90-219090029826654390 х 1380 х 11407000

* – at current frequency 49 Hz

Насосы для АЭСSpecial purpose pumps are applied in special systems of NPP units with reactors VVER-1000 PBMK (coolant makeup system, aftercooling system, sprin¬kler system, fire fighting system).

 

Special purpose pumps are centrifugal, multi stage or with double-entry impeller, horizontal, with forged or cast casing. Casing material is austenitic steel. Electric motor is used as a pump drive. Motor and pump drive are connected by gear-type or flexible plate coupling.

Rotor of pump shaft is sealed by mechanical end seal. Axial force relief is compensated in most cases by hydraulic discharging device.

Specification

  Pump typeCapacity,
м3/hour
Head,
m
Rotational speed
(synchr.),
rpm
Morot power,
kW
Pump overall
dimensions,
mm
Pump weight,
kg
   CN 50-13550132090005005145 х 1511 х 134510300
  CN 60-18060178090008005355 х 1511 х 146511030
   АCNА 25-18025182060004004717 х 1565 x 13256300
   АCNА 60-18560185030008004925 х 1500 х 14358390
   АCNА 60-185-160*1613*30008004865 х 1360 х 14658520
   CNА 125-80125*80*3000552380 х 1362 х 17101800
   CNА 200-180160*145*30001102655 х 850 х 16502350
   АCNА 400-10040010030003153380 х 1350 х 13353115
   АCNА 400-100Е300802970902650 х 1035 х 12052530
   АCNА 400-100-1400*90*30001602715 х 1200 х 12003430
   D800-568005615002003090 х 960 х 9183250
   АCNА 50-9048,293029763153928 х 1285 х 10754500
   CNSА 800-908009015002501390 х 1125 х 10001800

   * – at current frequency 49 Hz

II. CUSTOMIZED EQUIPMENT FOR NPP

 

JSC “SMNPO-Engineering” has experience in the development and manufacture of customized equipment for nuclear power plants.

 

ОБОРУДОВАНИЕ ДЛЯ АЭС

The Company produced the lot of embedded elementsand metal structures of different types and modifications in the construction of storage facility for spent nuclear fuel (ISF-2) on the Chernobyl nuclear power plant.

The process of laying the spent fuel in special capsules for further storage will be carried out with their help. This equipment has been thoroughly tested for conformity to product requirements for the nuclear industry.

4 safety door units – one to isolate the concrete module, three – intermediate  have  been manufactured as well . The doors are made using large thicknesses metal, the layer of lead shot, etc. Their weight varies within 5-13.5 tons.

In 2014 Sumy engineers designed and phasing produced  20 tanks with capacity from 0.09 to 16 cubic meters for the assembly of the first and second power units of the Belarusian nuclear power plant.

III. GAS TURBINE POWER GENERATION PLANTS

 

The promising trend in power engineering development is application of energy-saving technologies on the basis of gas turbine power plants, which permit essentially increasing the efficiency of organic fuel usage in the process of combined production of thermal and electric energy.

 

Энергетические газотурбинные установки

Having many years experience in design and manufacture of turbo compressor gas turbine driven compressor units the JSC «Sumy NPO» has mastered production of gas turbine power plants:

– Gas turbine driven cogeneration plant (GTDCP-16) provides the production of 16 MW power and 21.5 Gcal/h thermal energy.

– Combined-cycle power generation plant (CCPGP-20) comprises the gas turbine power unit (GTU) with 16 MW power and steam turbine power plant with 6 MW rated power.

Application of cogeneration plants data allows to solve the following tasks:

– utilization of casing-head gas;

– the cost reducing of electricity consumed for own needs;

– generation of emergency stand-by power;

– heating of residential-grade buildings and housing settlements.

The advantages of block-container arrangement for gas turbine zone and technical decisions, traditional for heat-and-power engineering, specified the location of the electric generator and other power generating equipment in solid building are applied in the plants design. The plant can be made completely in block-container design of full factory readiness, which considerably shorten construction and assembling work period.

 

The main advantages of the power plants are the following:

 

     – the possibility of mounting in solid buildings (renovation for exiting ones) and at open platforms (block-modular design);

     – mobility, the possibility for mounting in direct closeness to consumer or gas source;

     – block-modular design permits to mount and to repair equipment at limited area;

     – the possibility for quick switching off and starting-up of power plant within 15-45 minutes;

     – automatic control system and wide diagnosing for technical conditions;

     – minimum number of maintenance personnel.

 

Main characteristics

 

     Characteristic, measuring unit

Value of characteristic

  CCPGP – 20

GTDCP – 16

     Gas-turbogenerator plant (GTP)

     Generator type

          Т 20-2-У3

          – active electric power on terminals of generator in rated conditions, MW

                 16

          – rated voltage on terminals of generator, V

         6300 (10500)

          – rated current frequency, Hz

                  50

          – nominal power factor, cos

                  0.8

     Steam waste heat boiler

 

          –

          – outlet steam temperature, °C, no more than

         380

          –

          – outlet steam pressure, MPa

          2.0

     Heat recovery unit

 

          – water discharge, m3/h

480

     Steam turbine unit ( STU)

     Steam turbine (ST)

 

          – steam turbine power , MW

    4.0-6.0

          – steam flow rate, t/h

       32.6

          – ST inlet steam pressure, MPa

       1.75

     Generator type

    T-6-2У3

          – power electrical active on generator connecting terminals at nominal mode, MWт

6.0

          – voltage nominal on generator connecting terminals, V

6300 ( 10500)

          – current rate nominal, Hz

50

          – power factor nominal, cos

0.8

 

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