Проектирование водоотливной установки шахты глубиной расположения околоствольного двора рабочего горизонта относительно поверхности земли 620 м, страница 4

3. Масса насоса, кг                                                                                           5269

4.Температура перекачиваемой жидкости,                                            до +60

5.Средняя наработка на отказ, часов                                     2000

6.Средний ресурс, часов                                                            4000

7.Содержание (по массе) механических примесей

с максимальным размером до 0,1-0,2 мм                                              до 0,1-0,5%

Рис. 3.6 Внешний вид насоса ЦНС 500 – 720

1 – задний кронштейн; 2 – вал; 3 – гайка; 4–гидравлическая пята; 5 – дистанционная втулка;                6 – крышка нагнетания; 7 – направляющие аппараты; 8 – рабочие колеса; 9,12 – корпуса;      10,11 – уплотняющие чугунные кольца; 13 – крышка всасывания; 14 – стальные болты;           15–сальники; 16 – упорное кольцо; 17 – передний кронштейн; 18 – подшипники; 19 – гайка с контрольной риской; 20 – полумуфта

                      

Рис. 3.7 Габаритные размеры насоса (размеры в мм)

Размеры в мм.

L	l				b
3050	1254	1334	720	570	550	490	960	800	765

Таблица 3.1

Присоединительные размеры

Присоединительные параметры	Диаметр, мм		Диаметр, мм
	Отверстий под болты	Окружности по центрам болтов	фланца внутренний	фланца наружный
Подводящий патрубок	40	430	250	500
Напорный патрубок	40	360	200	430
Число отверстий под болты	12	12

Параметры выбранного погружного насоса:

1. Наименование насоса                                                    ЦТВ 16 – 630 – 40                                                                                                                                                                                                                                                                                        2. Параметры номинального режима

производительность, м³ /ч                                                630                                                                                                                                                                                                                                                                                                                                                                                                                                                          напор, м                                                                             40                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 КПД                                                                                  0,79                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                частота вращения, об/мин                                                 1500                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        мощность, кВт                                                                                                             125