Bosch CHP CE 400 NE - Default Chapter; Table of Contents

Contents
Systemlösung – 6 720 885 509 (2018/03)
2
Contents
1 System solution: 4-draught steam boiler with
combined heat and power (CHP) . . . . . . . . . . . . 3
1.1 Notice on technical guide . . . . . . . . . . . . . 3
1.2 System solution . . . . . . . . . . . . . . . . . . . . . 3
1.3 Features and benefits . . . . . . . . . . . . . . . . 4
2 System components . . . . . . . . . . . . . . . . . . . . . . 5
2.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Bosch CHP for external waste heat use . . 6
2.2.1 Description CHP CE ... NE . . . . . . . . . . . . . 6
2.2.2 Technical data . . . . . . . . . . . . . . . . . . . . . . 7
2.2.3 Operation conditions CHP . . . . . . . . . . . . 8
2.3 4-draught boiler system . . . . . . . . . . . . . . 9
2.3.1 Description of 4-draught boiler system . . . 9
2.3.2 Technical data . . . . . . . . . . . . . . . . . . . . . 10
2.3.3 Dimensions and connections . . . . . . . . . 11
2.4 MEC System – overview . . . . . . . . . . . . . 13
2.5 Further options for waste heat use/peak
load boiler . . . . . . . . . . . . . . . . . . . . . . . . 14
2.5.1 Waste heat boiler HRSB . . . . . . . . . . . . . 14
2.5.2 3-draught waste heat boiler for use
of waste heat only . . . . . . . . . . . . . . . . . . 15
2.5.3 System extension with peak load boiler . 15
3 Engineering information and sizing . . . . . . . . . 16
3.1 Basic principles . . . . . . . . . . . . . . . . . . . . 16
3.1.1 Economic viability . . . . . . . . . . . . . . . . . . 16
3.1.2 Economic general conditions . . . . . . . . . 16
3.1.3 Technical system data . . . . . . . . . . . . . . . 17
3.2 Pre-dimensioning . . . . . . . . . . . . . . . . . . 18
3.2.1 Estimate design of key components . . . . 18
3.2.2 Investment costs . . . . . . . . . . . . . . . . . . . 18
3.2.3 Evaluation of economic viability . . . . . . . 19
3.2.4 Integration of 4-draught steam boiler . . . 20
3.3 Sizing of key components . . . . . . . . . . . . 23
3.3.1 Sizing of 4-draught steam boiler . . . . . . . 23
3.3.2 Sizing of CHP module . . . . . . . . . . . . . . . 24
3.3.3 Steam amount/waste heat output
and CHP/boiler combinations . . . . . . . . . 24
3.3.4 Demand for useful energy for
make-up water preheating, heating
energy and DHW . . . . . . . . . . . . . . . . . . . 28
3.3.5 Safety equipment . . . . . . . . . . . . . . . . . . 30
3.3.6 System control . . . . . . . . . . . . . . . . . . . . 30
3.3.7 Flue system . . . . . . . . . . . . . . . . . . . . . . . 32
3.4 System design . . . . . . . . . . . . . . . . . . . . . 34
3.4.1 Hydraulics with bypass . . . . . . . . . . . . . 34
3.4.2 Hydraulics without bypass . . . . . . . . . . . 36
3.4.3 Installation . . . . . . . . . . . . . . . . . . . . . . . 38
4 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
4.1 List of components . . . . . . . . . . . . . . . . . 40
4.2 Further technical documents . . . . . . . . . . 41
Keyword index . . . . . . . . . . . . . . . . . . . . . . . . . . 42