CN-117285955-B - Cracking furnace carbon black and cracking tail gas cooling treatment device

CN117285955BCN 117285955 BCN117285955 BCN 117285955BCN-117285955-B

Abstract

The invention discloses a cracking furnace carbon black and cracking tail gas cooling treatment device, which comprises a cracking chamber, a condensing tower and a discharge pipe, wherein organic solid waste is cracked in the cracking chamber to generate carbon black and cracking gas, the cracking gas is condensed in the condensing tower to generate cracking oil, the carbon black is discharged to the outside through the discharge pipe, the cooling treatment device comprises a collecting box, a screw conveyer and a cooling device, the collecting box is arranged at the outlet of the discharge pipe, a first filter plate is arranged in the collecting box, and the collecting box is divided into a transfer area and an oil collecting area by the first filter plate. Screw conveyer slope sets up and communicates to the transfer district of collecting box, and screw conveyer includes heat conduction conveyer pipe and screw conveying blade, and the bin outlet of vertical decurrent setting has been seted up to the top of heat conduction conveyer pipe. The cooling device wraps the outer wall of the heat conduction conveying pipe so as to cool the carbon black and the pyrolysis gas in the screw conveyor, realize recycling treatment of the pyrolysis gas and facilitate collection of the carbon black.

Inventors

GAO BIN
XING WENXIANG
SHA BINBIN
WANG CHAO
CHENG ZIRUI

Assignees

山东京博装备制造安装有限公司

Dates

Publication Date: 20260508
Application Date: 20230904

Claims (5)

1. The utility model provides a pyrolysis furnace carbon black and schizolysis tail gas cooling treatment device, pyrolysis furnace includes pyrolysis chamber, condensing tower and row material pipe, and organic solid waste is in pyrolysis chamber is cracked and is produced carbon black and pyrolysis gas, pyrolysis gas in the condensing tower condenses and produces pyrolysis oil, carbon black in row material pipe discharges to the external world, its characterized in that, cooling treatment device includes: The collecting box is arranged at the outlet of the discharging pipe, a first filter plate is arranged in the collecting box, and the collecting box is divided into a transferring area and an oil collecting area by the first filter plate; The air cooler is arranged at the top of the screw conveyor, the air outlet of the air cooler is obliquely downwards directed to the heat conduction conveying pipe, the air cooler can blow cold air into the heat conduction conveying pipe, a plurality of oil guide holes are formed in the screw conveying blade, the extending direction of each oil guide hole is consistent with the extending direction of the heat conduction conveying pipe, an arc-shaped oil guide groove is formed in the inner wall of the heat conduction conveying pipe, the extending direction of the arc-shaped oil guide groove is consistent with the extending direction of the heat conduction conveying pipe, and the arc-shaped oil guide groove is positioned below the heat conduction conveying pipe and communicated with the transferring area; The cooling device comprises a spiral water pipe sleeved on the outer wall of the elastic heat conduction pipe, a shell and a cold water pump, wherein the shell comprises an outer shell and an inner shell, the outer shell is fixed on the outer side of the spiral water pipe, the inner wall of the outer shell is provided with a heat preservation layer, the inner shell is fixed on the inner side of the spiral water pipe and is connected with the elastic heat conduction pipe, the inner shell is made of a heat conduction material, the cold water pump can supply flowing cold water to the spiral water pipe, and the flowing cold water flows downwards along the spiral water pipe from the upper side of the spiral water pipe.
2. The device for cooling and treating carbon black and pyrolysis tail gas of a pyrolysis furnace according to claim 1, wherein a plurality of first filtering holes are formed in the first filtering plate, a second filtering plate which is horizontally arranged is installed in the oil collecting area, a plurality of second filtering holes are formed in the second filtering plate, and the aperture of each second filtering hole is smaller than that of each first filtering hole.
3. The device for cooling and treating carbon black and pyrolysis tail gas of a pyrolysis furnace according to claim 1, further comprising a control device, wherein a temperature sensor is installed in the transfer area, and the cooling device and the temperature sensor are both in signal connection with the control device.
4. The device for cooling and treating carbon black and pyrolysis tail gas of a pyrolysis furnace according to claim 1, wherein an observation window is formed in the side wall of the collection box, the observation window can feed back capacity conditions in the transfer area and the oil collection area to the outside in real time, and the screw conveyor further comprises a driving motor for driving the screw conveying blades to rotate.
5. The device for cooling and treating carbon black and pyrolysis tail gas of a pyrolysis furnace according to claim 1, further comprising a moving mechanism, wherein the moving mechanism comprises a moving bracket and a moving wheel, the moving bracket is obliquely arranged and fixed to the screw conveyor, the moving bracket is perpendicular to the heat conducting conveying pipe, and a central rotating shaft of the moving wheel and the heat conducting conveying pipe are in the same plane.

Description

Cracking furnace carbon black and cracking tail gas cooling treatment device Technical Field The invention belongs to the technical field of pyrolysis furnace tail gas treatment, and particularly relates to a pyrolysis furnace carbon black and pyrolysis tail gas cooling treatment device. Background The organic solid waste refers to solid and semisolid waste containing organic matters, which is generated in the industrial and agricultural production processes, oil-containing sludge in the petrochemical industry, biomass in agriculture and forestry, household garbage generated in cities and the like, and has huge quantity and serious pollution. At present, the existing organic solid waste treatment technology usually adopts a cracking furnace to carry out cracking heat treatment on solid waste. Such as the decomposition of scrap tires into fuel oil (pyrolysis oil), carbon black and scrap steel wire and pyrolysis gas. The pyrolysis gas is condensed to generate fuel oil, and carbon black produced by pyrolysis is difficult to collect due to higher temperature. And the exhaust port of the carbon black can have partial pyrolysis tail gas, which is easy to influence the environment, and causes low treatment efficiency of the pyrolysis furnace on the pyrolysis gas and low yield of pyrolysis oil. Disclosure of Invention In order to overcome the defects, the invention provides the cracking furnace carbon black and cracking tail gas cooling treatment device which is arranged at the tail part of the discharge pipe so as to cool the carbon black to be discharged and facilitate the collection of the carbon black, and simultaneously, the residual cracking gas discharged from the discharge pipe is cooled, recovered and reprocessed, so that the environment pollution caused by the cracking gas is prevented, the treatment efficiency of the cracking gas is improved, and the yield of the cracking oil is increased. The invention is realized by the following technical scheme: The utility model provides a pyrolysis furnace carbon black and schizolysis tail gas cooling treatment device, the pyrolysis furnace includes pyrolysis chamber, condensing tower and row material pipe, and organic solid waste is in pyrolysis chamber pyrolysis production carbon black and pyrolysis gas, and pyrolysis gas condenses in the condensing tower and generates pyrolysis oil, and carbon black is discharged to the external world in row material pipe, and cooling treatment device includes collecting box, screw conveyer and cooling device, and the exit to row material pipe is installed to the collecting box, is equipped with first filter in the collecting box, and first filter separates the collecting box into transfer district and oil collecting district. Screw conveyer slope sets up and communicates to the transfer district of collecting box, and screw conveyer includes heat conduction conveyer pipe and screw conveying blade, and the bin outlet of vertical decurrent setting has been seted up to the top of heat conduction conveyer pipe. The cooling device wraps the outer wall of the heat conduction conveying pipe so as to cool the carbon black and the pyrolysis gas in the screw conveyor, realize recycling treatment of the pyrolysis gas and facilitate collection of the carbon black. Further, a plurality of oil guide holes are formed in the spiral conveying blades, the oil guide holes can facilitate pyrolysis oil generated by condensation of pyrolysis gas in the heat-conducting conveying pipe, and the pyrolysis oil flows into the collecting box along the oil guide holes, so that the pyrolysis oil is conveniently collected. The extending direction of each oil guide hole is consistent with the extending direction of the heat conduction conveying pipe, so that cold air generated by the cooling device circulates in the heat conduction conveying pipe, and the condensing effect on pyrolysis gas is improved. Further, the arc oil guide groove is formed in the inner wall of the heat conduction conveying pipe, the extending direction of the arc oil guide groove is consistent with that of the heat conduction conveying pipe, and the arc oil guide groove is located below the heat conduction conveying pipe and communicated to the transferring area. Pyrolysis gas condenses the pyrolysis oil that generates in the conveyer pipe of heat conduction conveyer pipe and falls to the arc and lead the oil groove to slide downwards along the extending direction who leads the oil groove to the collecting box in. The structural strength of heat conduction conveyer pipe can be guaranteed to the arc oil guide groove of design, reduces the influence of seting up the arc oil guide groove in the pipe wall of heat conduction conveyer pipe to the structural strength of heat conduction conveyer pipe. Further, an elastic heat conduction tube is arranged between the cooling device and the heat conduction conveying pipe. The elastic heat conduction tube is used for heat transmission between the co