CN107973512B

CN107973512B - Double-furnace-body type pyrolysis desorption furnace

Info

Publication number: CN107973512B
Application number: CN201711470495.4A
Authority: CN
Inventors: 毛富志; 熊龙; 李岩岩
Original assignee: Zhe Jiang Eco Environmental Technology Co ltd
Current assignee: Zhe Jiang Eco Environmental Technology Co ltd
Priority date: 2017-12-29
Filing date: 2017-12-29
Publication date: 2023-11-21
Anticipated expiration: 2037-12-29
Also published as: CN107973512A

Abstract

The application relates to the technical field of pyrolysis desorption treatment, in particular to a double-furnace-body pyrolysis desorption furnace. This two furnace body formula pyrolysis desorption stoves include pyrolysis desorption chamber and parcel in the apparent heating chamber (2) of pyrolysis desorption chamber, and pyrolysis desorption chamber is including last furnace body (1A) and lower furnace body (1B) that set up from top to bottom, goes up and sets up material whereabouts passageway (11) between furnace body (1A) and lower furnace body (1B), and the heat of heating chamber (2) is supplied by the heat source, and pyrolysis desorption intracavity is provided with carries mud mechanism (3), hang cone (4) in material whereabouts passageway (11), leave clearance (5) between the bottom circumference of cone (4) and the inner wall of material whereabouts passageway (11). The scheme can crush and fully heat the sludge in the furnace, thereby ensuring the treatment effect of the sludge.

Description

Double-furnace-body type pyrolysis desorption furnace

Technical Field

The application relates to the technical field of pyrolysis desorption treatment, in particular to a double-furnace-body pyrolysis desorption furnace.

Background

The treatment of oily sludge by a pyrolysis desorption furnace is a research hot spot of sludge treatment technology. The patent applications of the application with application numbers 201710056323.6 and 201710519366.3 are all based on the treatment process of oily sludge generated by a pyrolysis desorption furnace. The auger is a common sludge conveying mechanism in the pyrolysis desorption cavity. When the auger conveys sludge, the agglomerated sludge is heated unevenly, so that the sludge positioned on the surface layer can be fully heated, and the sludge not positioned on the surface layer can not be fully heated, thereby influencing the overall treatment effect. The application of application number 201710599425.2 creates and discloses a pyrolysis desorption reaction kettle and treatment equipment for oily sludge on an offshore platform comprising the reaction kettle, wherein a disc dryer and a single-shaft double-screw stirrer are adopted, so that the disc dryer with a transverse centrifugal effect on materials is arranged in an upper space in the pyrolysis desorption reaction kettle, and the single-shaft double-screw stirrer with a vertical rolling effect on the materials is arranged in a lower space in the pyrolysis desorption reaction kettle. The technical problem can be solved by the scheme, but the structure is relatively complex, so that the probability of equipment failure is improved, and the overhaul is inconvenient.

Disclosure of Invention

The application aims to overcome the defects of the prior art and provides a double-furnace-body pyrolysis desorption furnace which can fully heat sludge in the furnace so as to ensure the treatment effect of the sludge.

In order to achieve the above object, the technical scheme of the present application is as follows:

the utility model provides a two furnace bodies formula pyrolysis desorption stove, includes pyrolysis desorption chamber and parcel at the apparent heating chamber in pyrolysis desorption chamber, and pyrolysis desorption chamber includes upper furnace body and lower furnace body that sets up from top to bottom, sets up the material whereabouts passageway between upper furnace body and the lower furnace body, and the heat in heating chamber is supplied by the heat source, and pyrolysis desorption intracavity is provided with carries mud mechanism, the material is downthehole to hang the cone, leaves the clearance between the bottom circumference of cone and the inner wall of material whereabouts passageway.

As an improvement, the inner wall of the material falling channel is transversely provided with a column body, the top of the cone body is provided with a through hole, and the cone body is suspended in the material falling channel in a mode that the column body penetrates through the through hole.

As an improvement, the width of the gap is 1-3 cm.

The beneficial effects of the application are as follows: a cone is hung in the material falling channel, and sludge falls on the surface of the cone after coming out of the upper furnace body. The surface temperature of the cone is higher, and the sludge falling on the cone can be heated. On the other hand, the falling of the sludge can enable the cone to slightly shake left and right, when the sludge slides from the surface of the cone to pass through the gap, the shaking can generate certain-frequency compression on the position of the gap, the compression can crush massive sludge, the sludge entering the lower furnace body is dispersed as soon as possible, and the subsequent heating is more effective. The cone is provided with a pointed top, and when the sludge falls from the upper furnace body, the cone can also play a role in crushing massive sludge, so that the sludge falling on the surface of the cone is more dispersed, the sludge can be sufficiently heated, and the sludge treatment effect can be improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present application;

FIG. 2 is a schematic view of the cone structure of the present application.

In the figure: 1A, feeding a furnace body; 1B, a lower furnace body; 11. a material falling channel; 2. a heating chamber; 3. a sludge conveying mechanism; 4. a cone; 41. a through hole; 5. a gap; 6. a column; 7. a feed inlet; 8. and a discharge port.

Detailed Description

Example 1

As shown in fig. 1, the double-furnace type pyrolysis desorption furnace comprises a pyrolysis desorption cavity and a heating cavity 2 wrapping the outer surface of the pyrolysis desorption cavity, wherein heat of the heating cavity 2 is supplied by a heat source. The heat source can adopt a high-temperature flue gas heating mode, an electric heating mode or a solar panel heating mode.

The pyrolysis desorption chamber includes upper furnace body 1A and lower furnace body 1B that set up from top to bottom, sets up material whereabouts passageway 11 between upper furnace body 1A and the lower furnace body 1B, and pyrolysis desorption intracavity is provided with and carries mud mechanism 3, carries mud mechanism 3 to be the auger.

A cone 4 is hung in the material falling channel 11, and the cone 4 is made of heat conducting materials. As shown in fig. 2, the inner wall of the material falling channel 11 is transversely provided with a column 6, the top of the cone 4 is provided with a through hole 41, and the cone 4 is suspended in the material falling channel 11 in a manner that the column 6 passes through the through hole 41. A gap 5 is reserved between the circumference of the bottom of the cone 4 and the inner wall of the material falling channel 11, and the width of the gap 5 is 1-3 cm.

After the sludge enters the pyrolysis desorption cavity from the feed inlet 7, the upper furnace body 1A is used for primarily heating the sludge, then the sludge enters the material falling channel 11, is heated and crushed again at the cone 4, and is discharged from the discharge outlet 8 after being heated at high temperature by the lower furnace body 1B.

The application discloses a double-furnace-body pyrolysis desorption furnace for the first time, which is created by the application with the application number of 201710056323.6, and is an improvement on the application. In the double-furnace type pyrolysis desorption furnace, the transmission direction of the sludge is opposite to the flow direction of the hot gas, so that temperature areas with gradually reduced temperatures are formed by the hot gas along the flow direction of the hot gas, and the heated temperature of the sludge in the transmission direction of the sludge is gradually increased. After the sludge is sufficiently heated and broken up in the material falling passage 11, the sludge can be more effectively treated when entering a subsequent high temperature region.

Claims

1. The utility model provides a two furnace body formula pyrolysis desorption stoves, including pyrolysis desorption chamber and parcel in the apparent heating chamber (2) of pyrolysis desorption chamber, pyrolysis desorption chamber is including last furnace body (1A) and lower furnace body (1B) that set up from top to bottom, go up and set up material whereabouts passageway (11) between furnace body (1A) and lower furnace body (1B), the heat of heating chamber (2) is supplied by the heat source, pyrolysis desorption intracavity is provided with transport mud mechanism (3), its characterized in that: the inner wall of material whereabouts passageway (11) transversely is provided with cylinder (6), and through-hole (41) have been seted up at the top of cone (4), and cone (4) hang in material whereabouts passageway (11) through the mode of through-hole (41) of cylinder (6), leave clearance (5) between the bottom circumference of cone (4) and the inner wall of material whereabouts passageway (11), and cone (4) rocks in material whereabouts passageway (11) and makes clearance (5) change when pyrolysis goes on.

2. The dual furnace pyrolysis desorption furnace of claim 1 wherein: the width of the gap (5) is 1-3 cm.