Oil sludge pyrolysis device

Abstract

An oil sludge pyrolysis device, including an outer cylinder body and an inner cylinder body, a spiral conveyor belt being provided on an inner wall of the inner cylinder body, and thermally conductive pipes being provided on the spiral conveyor belt. The device enlarges the heat exchange area during oil sludge pyrolysis, improves the heat exchange efficiency and the heat utilization rate, and increases the pyrolysis speed of oil sludge at a low temperature.

Claims

1. An oil sludge pyrolysis device, comprising an outer cylinder body and an inner cylinder body, and a spiral conveyor belt being provided on an inner wall of the inner cylinder body, wherein: the inner cylinder body has a circular cross section, a plurality of thermally conductive pipes are provided on the spiral conveyor belt, three or more of the plurality of thermally conductive pipes are evenly arranged on each screw pitch of the spiral conveyor belt such that each of said three or more of the plurality of thermally conductive pipes forms a separate chord of the circular cross section, the plurality of thermally conductive pipes are arranged along a rotation direction of the spiral conveyor belt, the plurality of thermally conductive pipes are hollow pipes, the plurality of thermally conductive pipes are connected with a hot air chamber, and the hot air chamber is arranged between the outer cylinder body and the inner cylinder body.

2. The oil sludge pyrolysis device according to claim 1, wherein a solid heat carrier is dispersed in the inner cylinder body.

3. The oil sludge pyrolysis device according to claim 2, wherein the solid heat carrier is a metal sphere or a non-metal sphere.

4. The oil sludge pyrolysis device according to claim claim 3, wherein a diameter of the sphere is 5-50 mm.

Description

DESCRIPTION OF FIGURE

(1) FIG. 1 is the structural diagram of the invention.

(2) FIG. 2 is the left view of FIG. 1.

(3) Wherein, 1. the outer cylinder body, 2. the inner cylinder body, 3. the spiral conveyor belt, 4. the thermally conductive pipes, 5. the hot air chamber.

SPECIFIC EMBODIMENTS

Embodiment 1

(4) An oil sludge pyrolysis device, comprising an outer cylinder body and an inner cylinder body, a spiral conveyor belt being provided on an inner wall of the inner cylinder body, and thermally conductive pipes being provided on the spiral conveyor belt.

(5) The thermally conductive pipes are hollow pipes.

(6) A solid heat carrier is dispersed in the inner cylinder body.

Embodiment 2

(7) An oil sludge pyrolysis device, comprising an outer cylinder body and an inner cylinder body, a spiral conveyor belt being provided on an inner wall of the inner cylinder body, and thermally conductive pipes being provided on the spiral conveyor belt.

(8) Thermally conductive pipes are evenly arranged on each screw pitch of the spiral conveyor belt. A thermally conductive pipe is arranged on each screw pitch.

(9) The thermally conductive pipes are hollow pipes.

(10) A solid heat carrier is dispersed in the inner cylinder body.

(11) The solid heat carrier is a non-metal sphere.

(12) A diameter of the non-metal sphere is 5-25 mm.

Embodiment 3

(13) An oil sludge pyrolysis device, comprising an outer cylinder body and an inner cylinder body, a spiral conveyor belt being provided on an inner wall of the inner cylinder body, and thermally conductive pipes being provided on the spiral conveyor belt.

(14) Thermally conductive pipes are evenly arranged on each screw pitch of the spiral conveyor belt. Two thermally conductive pipes are arranged on each screw pitch.

(15) The thermally conductive pipes are hollow pipes.

(16) A solid heat carrier is dispersed in the inner cylinder body.

(17) The solid heat carrier is a metal sphere.

(18) A diameter of the metal sphere is 5-50 mm.

Embodiment 4

(19) An oil sludge pyrolysis device, comprising an outer cylinder body 1 and an inner cylinder body 2, a spiral conveyor 3 being provided on an inner wall of the inner cylinder body 2, and thermally conductive pipes 4 being provided on the spiral conveyor belt 3.

(20) Thermally conductive pipes 4 are evenly arranged on each screw pitch of the spiral conveyor belt 3.

(21) Three thermally conductive pipes 4 are evenly arranged on each screw pitch, the thermally conductive pipes 4 are arranged along the rotation direction of the spiral conveyor belt.

(22) The thermally conductive pipes 4 are hollow pipes.

(23) A solid heat carrier is dispersed in the inner cylinder body 2.

(24) The solid heat carrier is a metal sphere.

(25) A diameter of the metal sphere is 5-50 mm.