Are intended for fuel-bed firing of black and brown coals as well as of anthracites in the steam and hot-water boilers, in the furnaces.

The gratings РПК with the rotary fire bars and manual spreading are intended for fuel-bed firing of black and brown coals as well as of anthracites in the steam and hot-water boilers and in the furnaces. The fuel is loaded manually through the charging door.

The stokers ТРПК are delivered in one transportable block together with the front in the same carriage.

TECHNICAL CHARACTERISTICS

 The range of loading variations, % 25-100

Excess air factor behind the stoker, no more than 1.4-1.7

Heat losses caused by chemical underburning, %, no more than 2

Heat losses caused by mechanical underburning, %, no more than 11

Basic fuel: black and brown coals, anthracite

Fuel humidity, % 40

Fuel ash value, %  35

Fine particles content (0-6 mm), % 60

Maximum lump size, mm 40   BASIC DESIGN PARAMETERS

Parameter	РПК-1 -900/ 915	РПК-1 -1000/ 915	РПК-1 -1100/ 915	РПК-1 -1000/ 1220	РПК-1 -1100/ 1220	РПК-1 -900/ 1220	РПК-2 -2600/ 2135	ТРПК-2 -1330/ 1525
Grate length L, mm	915	915	915	1220	1220	1220	2135	1525
Grate width В, mm	900	1000	1100	1000	1100	900	2600	1330
Grate area, m2	0.82	0.91	1.01	1.22	1.34	1.1	2.65	2.0
Mass, tons	0.85	0.88	0.95	1.00	1.05	0.98	3.25	1.65