DG type electric feeder
key word：Heat exchange element
Category:
Product description
DG type electric feeder
1. Introduction
1.1. Purpose
DG type electric feeder is the auxiliary equipment of economizer ash hopper, air preheating ash hopper and boiler tail dust collector ash hopper in coal-fired power plant, which is mainly used for locking air or feeding dry fly ash.
1.2. Structural features
The equipment has the advantages of flexible operation, tight air lock, accurate feeding, and no overload protection device, which can effectively prevent the motor from being damaged due to overload.
2. Main technical parameters
The main technical parameters of DG electric feeder are shown in table 52-1.
Table 52-1 main technical parameters of DG electric feeder
| Model | Capacity | Weight | Geared motor Model | Power | Output speed | Working temperature |
| (t/h) | (kg) | (kW) | (r/min) | (℃) | ||
| DG50 | 50 | 670 | XWJY3.0-5-59 | 3 | 25 | 180 |
| DG80 | 80 | 670 | XWJY4.0-5-43 | 4 | 35 | |
| DG100 | 100 | 958 | XWJY5.5-6-43 | 5.5 | 35 | |
| DG200 | 200 | 1263 | XWJY7.5-7-43 | 7.5 | 35 |
3. Equipment appearance and structural dimensions
The outline of DG electric feeder is shown in Fig. 52-1, the upper and lower flange ports are shown in Fig. 52-2, and the structural dimensions are shown in table 52-2.
Table 52-2
| Model | L1 | L2 | L3 | L4 | H1 | H2 | H3 | H4 | H5 | A1XB1 | A2XB2 | A3XB3 | n1×l1 | n2×l2 | n-∮d |
| DG50 | 1109 | 1215 | 599 | 557 | 700 | 325 | 170 | 160 | 846 | 632X632 | 430X400 | 430X430 | 4X133 | 4X133 | 16-∮18 |
| DG80 | 1109 | 1215 | 599 | 557 | 700 | 325 | 170 | 160 | 846 | 632X632 | 430X400 | 430X430 | 4X133 | 4X133 | 16-∮18 |
| DG100 | 1145 | 1175 | 645 | 576 | 740 | 355 | 177 | 200 | 957 | 660X750 | 460X500 | 460X550 | 4X140 | 5X130 | 18-∮18 |
| DG200 | 1720 | 1340 | 700 | 631 | 900 | 420 | 184 | 220 | 1064 | 705X880 | 500X644 | 500X672 | 5X125 | 5x160 | 20-∮18 |
