CN210004751U

CN210004751U - carbonization-activation combined rotary furnace

Info

Publication number: CN210004751U
Application number: CN201920361719.6U
Authority: CN
Inventors: 郁士刚; 范家森
Original assignee: Huaibei Hanghao New Material Technology Co Ltd
Current assignee: Anhui Baojuan Motorcycle Parts Co ltd
Priority date: 2019-03-21
Filing date: 2019-03-21
Publication date: 2020-01-31
Anticipated expiration: 2029-03-21

Abstract

The utility model discloses a combined rotary furnace of carbonization activation, including outer furnace body and interior furnace body, interior furnace body assembly is in outer furnace body, and outer furnace body includes furnace head portion and furnace tail portion, and the furnace head portion is provided with the furnace head lid, and the furnace head lid is provided with feeding device, and the furnace tail portion is provided with the furnace tail lid, and furnace tail lid intercommunication has combined injection burner, and the left end of outer furnace body is provided with the furnace head support, and the right-hand member of outer furnace body is provided with and furnace head support complex afterbody support, and outer furnace body is provided with drive arrangement, and furnace head portion intercommunication has spiral discharge device, and spiral discharge device coils on the lateral wall of outer furnace body, and spiral discharge device is provided with complex cooling water tank, the utility model discloses an above-mentioned device not only heat treatment material is efficient, and heat treatment is abundant, and be.

Description

carbonization-activation combined rotary furnace

Technical Field

The utility model relates to a rotary furnace, in particular to an carbonization-activation combined rotary furnace.

Background

The rotary furnaces used in the field of activated carbon are two types of internal heating type and external heating type rotary furnaces which are commonly used in the market at present, but the production of high-quality activated carbon requires a longer furnace body and longer activation time, so that the common internal heating type activation furnace is insufficient.

In the prior art, in order to obtain a good heat treatment effect, the heating path and the heating time of materials in a furnace body are increased usually by increasing the furnace body, and the furnace body adopting the design cannot achieve reasonable operation due to overlong temperature distribution and activating agent distribution, so that the quality of products is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide carbonization-activation combined rotary furnace.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

carbonization-activation combined rotary furnace, which comprises an outer furnace body and an inner furnace body, wherein the inner furnace body is assembled in the outer furnace body, and the outer furnace body and the inner furnace body are arranged on the same axes in a concentric circle manner;

the outer furnace body comprises a furnace head part and a furnace tail part, the furnace head part is provided with a furnace head cover, the furnace head cover is provided with a feeding device, the furnace tail part is provided with a furnace tail cover, and the furnace tail cover is communicated with a combined jet burner;

a furnace end support is arranged at the end of the outer furnace body, a tail support matched with the furnace end support is arranged at the other end of the outer furnace body, and a driving device is arranged on the outer furnace body;

the inner furnace body is fixedly connected with a support ring, the support ring is fixedly connected with the outer furnace body, the inner side wall of the outer furnace body is fixedly connected with a plurality of outer shoveling plates, and the inner side wall of the inner furnace body is fixedly connected with a plurality of inner shoveling plates;

the inner furnace body is provided with a discharge hole, the discharge hole is positioned at the tail part of the inner furnace body, and the tail part of the inner furnace body is fixedly connected with a spoiler;

the furnace head is communicated with a spiral discharging device, the spiral discharging device is wound on the outer side wall of the outer furnace body, and the spiral discharging device is provided with a cooling water tank matched with the spiral discharging device.

Preferably, the feeding device comprises a bin, the bin is communicated with a feeding pipe, and the feeding pipe is communicated with the inner furnace body.

Preferably, the bin is provided with a level detector.

Preferably, the spiral discharging device is a spiral pipe, the left end of the outer furnace body is provided with a discharging opening, the discharging opening is communicated with the spiral pipe, and the spiral pipe is provided with a discharging valve .

Preferably, the left end of the inner furnace body is equipped with a smoke collecting cover, the smoke collecting cover is communicated with a combined smoke box body, and the combined smoke box body is provided with a control valve.

Preferably, the combined jet burner comprises a nozzle which is communicated with an air inlet pipe, a natural gas inlet pipe and an activation hot steam pipe.

Preferably, a head wheel belt matched with the furnace end support is fixedly connected to the outer furnace body, two th tow wheels matched with the head wheel belt are arranged on the tail support, the th tow wheels support the outer furnace body, the th tow wheels are respectively connected with driven sprockets, the driven sprockets are in chain transmission connection with a driving sprocket, and the driving sprocket is connected with a driving device;

the outer furnace body is fixedly connected with a tail wheel belt matched with the tail support, the tail support is provided with two second tugs matched with the tail wheel belt, and the second tugs support the outer furnace body.

Compared with the prior art, the utility model has the following advantages:

the utility model discloses a to furnace body structure special design, make the furnace charge can make the back and forth movement in the stove and increase residence time in the stove, simultaneously also can be reasonable realization have the control of different temperature requirements to the process stage of difference. The length of the new rotary furnace does not need to be overlong, the activation time can be prolonged in multiples, and the production quality of the activated carbon is convenient to improve. Compared with the traditional furnace type, the utility model discloses a furnace type output can increase at double, and the quality can have obvious improvement.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

FIG. 2 is a partially enlarged schematic view of the furnace head cover of the present invention;

FIG. 3 is a partially enlarged schematic view of the middle furnace tail cover of the present invention;

FIG. 4 is a schematic structural view of a combined jet burner according to the present invention;

FIG. 5 is a diagram showing the position relationship between the outer furnace body and the furnace end support.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Example 1

As shown in FIGS. 1 to 5, types of carbonization-activation combined rotary furnace comprises an outer furnace body 11 and an inner furnace body 10, wherein the inner furnace body 10 is assembled in the outer furnace body 11, the outer furnace body 11 and the inner furnace body 10 are cylindrical, and a heating cavity for accommodating heating materials is arranged in the outer furnace body 11, the left end of the outer furnace body 11 is a furnace head, the right end of the outer furnace body 11 is a furnace tail, and the furnace head is connected with a furnace head cover 4 to cover the outer furnace body 11 by the furnace head cover 4.

The furnace head part is communicated with feeding devices, materials to be heated are fed into the inner furnace body 10 from the feeding devices for heating and activation, the feeding devices are feeding devices which are conventionally used in the existing rotary furnace equipment, the main structure of the feeding device comprises a bin 1, the bin 1 is communicated with a feeding pipe 3 (the feeding pipe 3 is provided with a valve for controlling feeding), the feeding pipe 3 is communicated with the inner furnace body 10, the furnace tail part is provided with a furnace tail cover 17, the furnace tail cover 17 is communicated with a combined jet burner 18, the combined jet burner 18 is used for providing a heat source, the combined jet burner 18 comprises a nozzle, and the nozzle is communicated with an air inlet pipe 1801 (input air), a natural gas inlet pipe 1802 (input natural gas) and a hot activating steam pipe 1803 (input activating hot steam).

burner supports 12 are provided at the left end of the outer body 11 (the burner supports 12 are close to the head), and the outer body 11 is fitted with the burner supports 12 and can freely rotate relative to the burner supports 12.

The right end of the outer furnace body 11 is provided with a tail support 21 (the tail support 21 is close to the tail of the furnace), and the outer furnace body 11 rotates relative to the tail support 21. The outer body 11 can freely rotate relative to the burner support 12 and the tail support 21, and the whole outer body 11 is supported by the burner support 12 and the tail support 21.

Specifically, a head wheel belt 20 matched with the burner support 12 is fixedly connected to the outer side wall of the outer furnace body 11, two th tow wheels 1201 matched with the head wheel belt 20 are arranged on the burner support 12, the head wheel belt 20 is tangent to the th tow wheel 1201, the th tow wheel 1201 supports the bottom of the head wheel belt 20, driven sprockets 1902 are arranged on each th tow wheel 1201, the driven sprockets 1902 are connected through chain transmission, the driven sprockets 1902 are in transmission connection with a driving sprocket 1901, the driving sprocket 1901 is connected with a driving device 19, and the driving device 19 is a driving motor.

Similarly, the outer furnace body 11 is fixedly connected with a tail wheel belt 15 matched with the tail support 21, the tail support 21 is provided with two second tugs (not shown in the figure) matched with the tail wheel belt 15, and the second tugs support the outer furnace body 11 (the second tugs are tangent to the bottom of the tail wheel belt 15 and support the tail wheel belt 15).

The spiral cooling device comprises an outer furnace body 11, an inner furnace body 10, a support ring 16, a spiral water tank, a spiral discharge device 638, a spiral discharge device 636, a spiral discharge device 866, a spiral water tank, a spiral discharge device 866, a spiral discharge device 366, wherein the spiral discharge device is arranged on the outer side wall of the spiral water tank, the spiral discharge device is used for preventing materials 1001 from being sprayed by a jet burner 18, the spiral discharge device is connected to the left end of the outer furnace body 11, the spiral discharge device is used for preventing the materials from entering the outer side wall of the spiral water tank, and the spiral water tank is arranged on the outer side wall of the spiral water tank 866, the spiral discharge device is used for preventing the materials from entering the spiral water tank 11, and the spiral water tank is used for cooling the spiral water tank for preventing the materials from entering the spiral water tank 11.

In the process of heating materials at high temperature, a large amount of smoke is generated, therefore, the smoke collecting hood 2 is assembled at the left end of the inner furnace body 10, the smoke collecting hood 2 is communicated with the combined smoke box body 5, the combined smoke box body 5 is used for collecting smoke and discharging the collected smoke to a chimney, and two control valves for discharging the smoke, specifically, a th control valve 511 and a second control valve 512 are assembled on the combined smoke box body 5.

The outer furnace body 11 is also provided with a thermometer 9 (for monitoring the furnace temperature) which displays the furnace temperature.

The combined injection burner 18 is a device for supplying a heat source, and specifically, air is pumped in from an air inlet pipe 1801, and natural gas is pumped in from a natural gas inlet pipe 1802, thereby heating the inner furnace body 10 and the outer furnace body 11. When the temperature in the rotary furnace needs to be adjusted, activated hot steam is pumped in from the activated hot steam pipe 1803 (the activated hot steam is used as an activating agent, the temperature in the rotary furnace can be adjusted, and excessive nitrogen oxides are prevented from being generated in the process of heating materials).

Outer furnace body 11, and interior furnace body 10 pivoted in-process, the material moves the right-hand member from the left end of interior furnace body 10 earlier, specifically, including furnace body 10 pivoted in-process in interior shoveling plate 14 that connects on the inner wall of interior furnace body 10, interior shoveling plate 14 is under the pivoted condition, constantly promote the material to move right to interior furnace body 10 right-hand member discharge opening 1001 position, the number that discharge opening 1001 set up is 6, the material discharges to outer furnace body 11 in from discharge opening 1001 (outer furnace body 11 has the clearance with interior furnace body 10), and under the outer shoveling plate 13 impetus on outer furnace body 11 inside wall, the material moves left.

Compared with the traditional rotary furnace (the movement track of the materials is unidirectional), the actual movement track of the materials in the inner furnace body 10 and the outer furnace body 11 is bidirectional, namely the movement track of the materials in the inner furnace body 10 is from left to right, and the materials pass through the movement track from right to left after entering the outer furnace body 11, so that the materials are fully heated.

By adopting the design, the heating time and the heating path of the material are effectively increased.

When the material arrived outer furnace body 11 left end, the material was arranged the material from spiral discharge device 8 department, and because of spiral discharge device 8 is the spiral, increased the motion route of material discharge in-process, the material can fully dispel the heat at the discharge in-process, simultaneously, because of spiral discharge device 8 soaks in cooling water tank 6 all the time, the cooling water in cooling water tank 6 fully dispels the heat to it.

In the process of heat treatment of the materials, the flue gas generated by the materials is discharged from the smoke collecting hood 2 to the combined flue gas box 5, the combined flue gas box 5 collects the flue gas and then discharges the flue gas to a chimney, and the discharge speed of the flue gas is controlled by opening the th control valve 511 and opening the second control valve 512.

Example 2

As shown in fig. 1 to 5, the present embodiment is different from embodiment 1 in that a level detector 7 is disposed on the bin 1 for detecting the amount of the material in the bin 1, wherein the level detector is a conventional device for detecting the amount of the material disclosed in the prior art, and the working principle and structure of the level detector can be known by those skilled in the art by referring to a technical manual or a technical dictionary.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1, carbonization-activation combined rotary furnace, which is characterized by comprising an outer furnace body and an inner furnace body, wherein the inner furnace body is assembled in the outer furnace body, and the outer furnace body and the inner furnace body are arranged on the same axes in a concentric circle manner;

a furnace end support is arranged at the end of the outer furnace body, a tail support matched with the furnace end support is arranged at the other end of the outer furnace body, and the outer furnace body can freely rotate relative to the furnace end support and the tail support;

the outer furnace body is provided with a driving device;

2. The combined rotary furnace for carbonization and activation according to claim 1, wherein the charging device comprises a bin which is communicated with a charging pipe, and the charging pipe is communicated with the inner furnace body.

3. The combined rotary kiln for carbonization and activation according to claim 2, wherein the silo is provided with a level detector.

4. The combined rotary furnace of claim 1, wherein the spiral discharging device is a spiral pipe, the left end of the outer furnace body is provided with a discharging opening, the discharging opening is communicated with the spiral pipe, and the spiral pipe is provided with a discharging valve .

5. The combined rotary furnace of claim 1, characterized in that the left end of the inner furnace body is equipped with a fume collecting hood, which communicates with a combined fume tank provided with a control valve.

6. The combined rotary furnace for carbonization and activation according to claim 1, wherein the combined jet burner comprises a nozzle communicating with an air inlet pipe, a natural gas inlet pipe, and an activation hot steam inlet pipe.

7. The combined rotary furnace for carbonization and activation as claimed in claim 1, wherein the outer furnace body is fixedly connected with a head pulley belt which is matched with the furnace head support, the tail support is provided with two th tugs which are matched with the head pulley belt, the th tug supports the outer furnace body, the th tugs are respectively connected with driven sprockets which are chain-driven and connected with a driving sprocket, and the driving sprocket is connected with a driving device;