A buggy balance hello coal device for rotary kiln

The utility model discloses a buggy balance feeding device of rotary kiln, include first buggy storehouse, second buggy storehouse and the buggy balance of being connected with the compressed air pipe net, the buggy balance includes first balance, tail balance, first filter and second filter, first buggy storehouse and second buggy storehouse are connected with first balance and tail balance respectively, the gas outlet and the first balance of first filter are connected, the gas outlet and the tail balance of second filter are connected, still include third filter, fourth filter and gas holder, the gas outlet of third filter is connected with the air inlet of first filter, the air inlet of third filter passes through the gas holder and is connected with the compressed air pipe net, the gas outlet and the air inlet of second filter of fourth filter are connected, the air inlet of fourth filter passes through the gas holder and is connected with the compressed air pipe net. The utility model discloses an add gas holder and two external filters to reduce the influence of pressure oscillation and compressed air's quality to the buggy balance.