Hot water boiler with automatic coal feed (stoker-fired)

Specifications

Country of manufacture

Turkey, Kırıkkale

Heat output

100,000–1,000,000 kcal/h

Fuel

nut coal 5–25 mm, pellets, shells, pits

Heat output, kW

≈ 116–1,163 kW

KSK-4 models, four-pass prismatic

KSK-4-100 … KSK-4-1000, 19 models, 100,000–1,000,000 kcal/h

KSK-3 models, three-pass prismatic

KSK-3-100 … KSK-3-1000, 19 models, 100,000–1,000,000 kcal/h

YSST models, three-pass semi-cylindrical

YSST-100 … YSST-1000, 19 models, 100,000–1,000,000 kcal/h

KYST models, three-pass fully cylindrical

KYST-150 … KYST-1000, 17 models, 150,000–1,000,000 kcal/h

Fuel types

nut coal 5–25 mm, pellets, hazelnut shells, olive pits and similar fuels

Stoker position

KSK-4, KSK-3, YSST: up to 500,000 kcal/h stoker on the side, above 500,000 kcal/h at the front; KYST: at the front; installation side (right, left, front) is specified in the order

Dimension designations

B1: boiler width, B: width with side stoker, L1: boiler length, L: length with front stoker (L = L1 + 2000 mm), H: height; for KYST A: width, B: length with stoker (B = B1 + 2000 mm)

KSK-4 dimensions

B1 800–1600 mm, L1 1770–3200 mm, H 1900–3000 mm; B 1800–2650 mm (up to 500,000 kcal/h), L 4610–5200 mm (above 500,000 kcal/h)

KSK-3 dimensions

B1 900–1620 mm, L1 1600–3250 mm, H 1900–2800 mm; B 1900–2750 mm (up to 500,000 kcal/h), L 4650–5250 mm (above 500,000 kcal/h)

YSST dimensions

B1 800–1650 mm, L1 2100–3200 mm, H 1800–2850 mm; B 1800–2950 mm (up to 500,000 kcal/h), L 4750–5200 mm (above 500,000 kcal/h)

KYST dimensions

A 1320–1970 mm, B 4350–6200 mm, H 1550–2200 mm

Flue outlet C

from 200×200 to 550×550 mm

Design

fire-tube boiler; KSK-4 four-pass, other series three-pass; YSST with rolled-in tubes, welded on request; KYST welded

YSST metal thickness

tube sheets 15 mm, furnace crown 7–8 mm, shell 6–7 mm, smoke tubes 70/76 mm with 3.2 mm wall

Automation

the auger gearbox and fan run off the boiler thermostat: feeding stops at the set water temperature and restarts when the temperature drops; with a full hopper the boiler runs the whole heating season without manual loading

Combustion

fuel burns down to fine particles, slag volume is reduced by a third (factory data)

Efficiency

84%, class *** per tests at the TSE thermal engineering laboratory

Scope of supply

fan, gearbox, control panel or electrical cabinet

Delivery (KSK-3, YSST)

up to 300,000 kcal/h as a monoblock on its own frame; 300,000–500,000 kcal/h in two parts; above 500,000 kcal/h for installation on a concrete foundation

Options

furnace retort of chrome cast iron; for KSK-3 and YSST a stoker with agitator or with ash removal (two gearboxes); KYST can be converted to gas or liquid fuel

Insulation

glass wool 80 mm

Factory testing

at 1.5 times the working pressure, with a safety check (YSST, KYST)

Working pressure

3 bar

Standards

TS 497, TS EN 303-5

Factory

Kubuş Kazan, Kırıkkale (Turkey): making boilers since 1948, about 100 employees, 10,400 m² of workshops

Logistics

Shipped from

factory in Kırıkkale, Turkey; goods are handed over to the buyer at the factory

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  • Heat output: 500,000–3,000,000 kcal/h
  • Oil temperature: up to 300 °C at atmospheric pressure
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  • Efficiency on gas and liquid fuel: 92%
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