The invention discloses a feeding
machine device for sucking
furfural residues into a boiler under negative pressure. The feeding
machine device comprises a hydrolyzed pan, a
gas holder and a residueshed, wherein a residue
discharge pipeline is fixedly connected to one side of the hydrolyzed pan, the top of the
gas holder is fixedly connected with the residue
discharge pipeline, a negative-pressure conveying pipeline is arranged in the residue shed, a suction
nozzle is fixedly connected to the bottom of the negative-pressure conveying pipeline, a high-pressure fan is fixedly connected to oneend of the negative-pressure conveying pipeline, a material conveying
pipe is fixedly connected to one side of the high-pressure fan, and a material and gas separator is fixedly connected to the bottom of the material conveying
pipe. According to the feeding
machine device, the
gas holder, the residue
discharge pipeline, the negative-pressure conveying pipeline, the suction
nozzle, an air
pipe, the high-pressure fan, the material conveying pipe, a suction fan, an air inlet pipe, an air outlet pipe, an
elbow, an
exhaust gas buffer
bottle and a
buffer solution are arranged, so that the problem of large potential safety hazards when employees enter the residue shed to view the production status or load and convey residues due to low
visibility in the residue shed because the residue shed is sealed when the
furfural residues with high
water vapor are discharged to the residue shed is solved.