Apparatus for injecting pulverulent material

Details Apparatus for injecting pulverulent material Apparatus for injecting pulverulent material

1981-12-09

1984-09-25

Nase, Jeffrey V.

Conveyors: fluid current

With diverse power-driven conveyor

Rotary

B65G 5348

Patent

active

044733275

ABSTRACT:
Apparatus for injecting pulverulent material into a conveying pipe 12 under a higher pressure by means of a worm 2 mounted in overhead manner in a casing, which conveys against a check valve. Between the worm and check valve 14 is provided a chamber 11 which widens in the conveying direction, which on the one hand prevents any clogging of the conveyed material due to a wedging action in the conveying direction and on the other hand ensures that in the case of a stoppage 4 when an inadequate amount of material is supplied a seal is formed in said area because in the widening chamber 11 the material to be conveyed is compressed and forced back counter to the conveying direction. Inter alia the apparatus can be used for conveying cement. The invention is illustrated most clearly by FIG. 1.

REFERENCES:
patent: 2290809 (1942-07-01), Morrow
patent: 4138162 (1979-02-01), Noren

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