Расчет горения топлива с ТЦП. Расчет термоподготовки угля. Расчет горения газовзвеси, страница 7

Температура газов после смешения со вторичным воздухом, К

                                                                                                                                            (2.118)

Тепловая нагрузка поверхностей нагрева сетевой воды, кВт/кг

                                                                                                                                                                                      (2.119)

Температура уходящих из котла газов, К

                                                                                                                                                                    (2.120)

Количество трубок в пакете сетевого подогревателя, шт/кг угля

                                                                                                                                                                         (2.121)

Коэффициент S₂

                                                                                                                                                                                     (2.122)

Ширина пакета, м/кг угля

                                                                                                                                                                                     (2.123)

Длина труб в пакете сетевого подогревателя, м

                                                                                                                                                                                        (2.124)

Площадь проходного сечения, м²

                                                                                                                                                                       (2.125)

Скорость газа, м/с

                                                                                                                                                                (2.126)

Коэффициент теплоотдачи от газа к стенке трубки, Вт/(м²*К)

                                                                                                                                                           (2.127)

Коэффициентт загрязнения поверхности нагрева

                                                                                                                                                         (2.128)

Коэффициент теплопередачи

                                                                                                                                                                             (2.129)

Температурный напор

                                                                                                                                                                            (2.130)

Поверхность теплообмена, м²

                                                                                                                                                                             (2.131)

Длина трубки, м/кг

                                                                                                                                                                           (2.132)

Количество ходов в змеевике, шт.

                                                                                                                                                                                 (2.133)

Высота пакета, м/кг

                                                                                                                                                                                (2.134)

Высота холодной воронки, м

                                                                                                                                                                                (2.135)

Ширина пережима, м

                                                                                                                                                                             (2.136)