Bosch CHP CE 1200 NE, Техническое руководство

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Engineering information and sizing
Systemlösung – 6 720 885 509 (2018/03)
28
13000 kg/h ... 28000 kg/h
3.3.4 Demand for useful energy for make-up water
preheating, heating energy and DHW
The motor waste heat that occurs in the CHP should
primarily be used for heating the make-up water
required for the steam boiler.
Besides the boiler size, the amount of make-up water is
dependent on the form of heating (directly or indirectly),
on the existing or planned condensate management in
the object and on water quality.
The required make-up ware amount has to be
determined depending on the corresponding standards.
The make-up water is heated up here as much as
possible. Then the make-up water is heated up further in
the feed water container with steam to approx. 103 °C
and is led to the boiler via the two economisers.
In doing so, internal steam for make-up water treatment
is saved and the make-up water heating is used as heat
sink for the motor waste heat of the CHP to increase its
runtime.
Graph 14 shows the possible content of make-up water
preheating (heating from 10 °C to 75 °C) with regard to
boiler output in kg/h and the required additional water
amount in %.
If the occurring motor heat output is larger than the
required heat for make-up water preheating, the excess
heat can be used for covering the heat load or for DHW
heating.
Amount of steam incl. own use of boiler ( waste heat performance) in [kg/h]
13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 240 NE 240 NE 240 NE 240 NE 240 NE 240 NE 240 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 400 NE 400 NE 400 NE 400 NE 400 NE 400 NE 400 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 600 NE 600 NE 600 NE 600 NE 600 NE 600 NE 600 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 800 NE 800 NE 800 NE 800 NE 800 NE 800 NE 800 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 854 NE 854 NE 854 NE 854 NE 854 NE 854 NE 854 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 1200 NE 1200 NE 1200 NE 1200 NE 1200 NE 1200 NE 1200 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 1287 NE 1287 NE 1287 NE 1287 NE 1287 NE 1287 NE 1287 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 1560 NE 1560 NE 1560 NE 1560 NE 1560 NE 1560 NE 1560 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 1718 NE 1718 NE 1718 NE 1718 NE 1718 NE 1718 NE 1718 NE
steam boiler UL-S ... 13000 14000 16000 17000 18000 22000 28000
CHP CHP CE ... 1999 NE 1999 NE 1999 NE 1999 NE 1999 NE 1999 NE 1999 NE
steam boiler UL-S ... 13000 14000 18000 18000 18000 22000 28000
CHP CHP CE ... 2000 NE 2000 NE 2000 NE 2000 NE 2000 NE 2000 NE 2000 NE
steam boiler UL-S ... 13000 14000 18000 18000 18000 22000 28000
Table 15 CHP/boiler combinations (13000 kg/h ... 28000 kg/h)
+ 0 boiler sizes Recommended
+1 boiler size Recommended
+ 2 boiler sizes Check economic viability