CN111879122A - Horizontal type ventilating stirring pressure roasting furnace - Google Patents

Abstract

The invention discloses a horizontal ventilation stirring belt pressure roasting furnace, which relates to the technical field of high temperature belt pressure roasting. It includes an outer casing and an inner cylinder; the outer casing is provided with a hot air inlet and a hot air outlet; The outlet and the pressure port are provided with a stirring shaft in the inner cylinder. The structure of the invention is simple and reasonable. The material enters the inner cylinder from the material inlet, and the hot air is introduced for roasting. Due to the stirring effect of the stirring shaft, the material can be heated evenly and the roasting effect is improved; meanwhile, the inner cylinder is pressurized through the pressure port. Realize pressurized roasting. After a period of time, the pressure is released through the pressure port, and the material outlet is opened to discharge the material, that is, the roasting of a batch of materials is completed, and then the next batch of operations is performed. It is suitable for catalysts and other fields that require high temperature and pressure roasting, and has strong practicability.

Description

A horizontal ventilation stirring belt pressure roasting furnace

technical field

The invention relates to the technical field of high temperature belt pressure roasting, in particular to a horizontal ventilation stirring belt pressure roasting furnace.

Background technique

The roaster is an important equipment for oil refining and catalyst preparation. At present, the horizontal drum roasting furnace is mainly used, which has been widely used in the catalyst industry. The current catalyst preparation only needs to be calcined at high temperature, but with the improvement of catalyst technology, it also needs to be calcined at high temperature under pressure. In order to meet the market demand, catalyst manufacturers need a device that can be roasted under pressure.

However, the existing domestic roasting equipment can only operate under normal pressure or slightly negative pressure. Therefore, the development of a belt-pressure roaster has become an important requirement for catalyst manufacturers.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a horizontal ventilation stirring belt pressure roasting furnace, which can be used for the high temperature belt pressure roasting of catalysts, so as to meet the needs of catalyst production enterprises.

For achieving the above object, the present invention provides the following scheme:

The invention provides a horizontal ventilating stirring belt-pressure roasting furnace, comprising an outer casing and an inner cylinder arranged inside the outer casing; the outer casing is provided with a hot air inlet and a hot air outlet, and hot air enters from the hot air inlet. The space between the outer casing and the inner cylinder is used to heat the material in the inner cylinder; the inner cylinder is provided with a material inlet, a material outlet and a pressure port, and the pressure port is used for When the material is roasted, the inner shell is pressurized; a stirring shaft is arranged through the inner cylinder, and the stirring shaft is used for stirring the material when the material is roasted.

Optionally, an insulation layer is provided between the outer casing and the inner cylinder, and hot air enters between the insulation layer and the inner cylinder through the hot air inlet.

Optionally, the material inlet and the material outlet are respectively arranged at the upper and lower parts of the inner cylinder.

Optionally, both ends of the outer casing are provided with end seats, and both ends of the stirring shaft are provided through the end seats; one end of the stirring shaft is connected with a drive system for driving the stirring shaft to rotate .

Optionally, a primary seal sealed by packing and a secondary seal sealed by oil seal are provided between the stirring shaft and the end seat.

Optionally, both the upper and lower parts of the end seat are provided with static seals.

Optionally, several stirring paddles are arranged on the stirring shaft, and both ends of the stirring shaft are supported and rotated by bearings.

Optionally, one end of the stirring shaft is provided with a stirring shaft hot air inlet and a stirring shaft hot air outlet, and the hot air enters the stirring shaft from the stirring shaft hot air inlet to indirectly heat the material.

Optionally, the drive system includes a drive motor and a transmission gear set, and the drive motor is powered with the stirring shaft through the transmission gear set.

Optionally, it also includes a rack, and the outer casing is mounted on the rack.

The present invention has achieved the following technical effects with respect to the prior art:

The horizontal ventilation stirring belt pressure roasting furnace provided by the invention has a simple and reasonable structure. The material enters the inner cylinder from the material inlet, and after the material inlet is closed, hot air is introduced for roasting. Due to the stirring effect of the stirring shaft, the material can be heated evenly. Improve the roasting effect; at the same time, the inner cylinder is pressurized through the pressure port to achieve pressurized roasting, and after a period of time, the pressure is relieved through the pressure port, and the material outlet is opened to discharge, that is, the roasting of a batch of materials is completed, and then the next batch is carried out. The operation is simple and easy to operate, realizes high temperature and pressure roasting, can effectively meet the needs of catalyst production enterprises, and is suitable for catalysts and other fields that require high temperature and pressure roasting.

In addition, in the present invention, the hot air inlet and outlet are also arranged on the stirring shaft to indirectly assist the heating of the roasted material, which is beneficial to improve the roasting effect and has strong practicability.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the horizontal ventilation stirring belt pressure roasting furnace of the present invention;

Among them, the reference signs are: 1- hot air inlet of stirring shaft, 2- stirring bearing, 3- oil seal, 4- static seal, 5- packing, 6- hot air inlet, 7- insulation layer, 8- hot air outlet, 9- Pressure port, 10-drive system, 11-inner cylinder, 12-outer body, 13-material inlet, 14-stirring shaft, 15-frame, 16-end seat, 17-stirring shaft hot air outlet, 18-material Export.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The purpose of the present invention is to provide a horizontal ventilation stirring belt pressure roasting furnace, which can be used for the high temperature belt pressure roasting of catalysts, so as to meet the needs of catalyst production enterprises.

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example 1:

As shown in FIG. 1 , this embodiment provides a horizontal ventilating agitating belt-pressure roasting furnace, which includes an outer casing 12 and an inner cylinder 11 coaxially arranged inside the outer casing 12, and end seats 16 are installed at both ends of the outer casing 12. The upper part of the inner cylinder 11 is provided with a material inlet 13 , and the lower part is provided with a material outlet 18 , and the material inlet 13 and the material outlet 18 are respectively arranged through the side wall of the outer casing 12 . An insulating layer 7 is arranged between the outer casing 12 and the inner cylindrical body 11. Both ends of the insulating layer 7 extend to the gap between the end faces of the two cylinders. The insulating layer 7 is fixed on the inner wall of the outer casing 12. The hot air inlet 6 enters between the inner cylinder 11 and the insulation layer 7 to heat the material in the inner cylinder 11 , and the cooled hot air is discharged from the hot air outlet 8 on the upper part of the outer casing 12 . Both ends of the stirring shaft 14 are supported and rotated by the stirring bearing 2 . The end seats 16 at both ends are provided with static seals 4 up and down, and both ends of the stirring shaft 14 are provided with primary seals sealed by packing 5 and secondary seals sealed by oil seals 3 . One end of the stirring shaft 14 is connected to the driving system 10, and the driving system 10 is used to drive the stirring shaft to rotate to stir the material, so that the material is heated evenly. The non-transmission side of the stirring shaft 14 is provided with a stirring shaft hot air inlet 1 and a stirring shaft hot air outlet 17. The hot air inlet 1 of the stirring shaft enters the inside of the stirring shaft 14 to indirectly heat the material. The material enters the inner cylinder 11 from the material inlet 13. After the material inlet is closed, the material is roasted by the hot air entering from the hot air inlet 6 and the hot air entering from the hot air inlet 1 of the stirring shaft. At the same time, the inner cylinder 11 passes through the pressure port 9. Pressurize, after a certain period of roasting, the pressure is relieved through the pressure port 9, and after the pressure is zero, the material outlet 18 is opened to discharge the material, and the roasting of a batch of materials is completed, and then the next batch of operations is performed.

In this embodiment, as shown in FIG. 1 , an insulating layer 7 is arranged between the outer casing 12 and the inner cylinder 11 . During the baking process, the temperature of the outer casing 12 is relatively low. The insulating layer 7 can effectively avoid excessive heat loss, which is conducive to improving the roasting effect. Wherein, the thermal insulation layer 7 can be made of any existing thermal insulation material.

In this embodiment, as shown in FIG. 1 , several stirring paddles are arranged on the stirring shaft 14, and the stirring paddles are evenly distributed along the circumferential and axial directions; the materials are stirred with the rotation of the driving system 10, so that the materials are heated evenly. Wherein, the drive system 10 includes a drive motor and a transmission gear set, and the drive motor is powered with one end of the stirring shaft through the transmission gear set to realize power transmission. In this embodiment, the transmission gear set includes a driving gear and a driven gear meshed with the driving gear, the driving gear is mounted on the output shaft of the driving motor, and the driven gear is mounted on one end of the stirring shaft.

In this embodiment, as shown in FIG. 1 , the end of the stirring shaft 14 is provided with a primary seal sealed by packing 5 and a secondary seal sealed by oil seal 3 at the same time, which can achieve a good sealing effect.

In this embodiment, as shown in FIG. 1 , a rack 15 is further provided, and the rack 15 is used to support and install other components.

It should be noted that it is obvious to those skilled in the art that the present invention is not limited to the details of the above-mentioned exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. . Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the appended claims. All changes that come within the meaning and scope of equivalents of , are intended to be embraced within the invention, and any reference signs in the claims shall not be construed as limiting the involved claim.

In the present invention, specific examples are used to illustrate the principles and implementations of the present invention, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention; There will be changes in the specific implementation manner and application scope of the idea of the invention. In conclusion, the contents of this specification should not be construed as limiting the present invention.

Claims (10)

1. a horizontal ventilation stirring belt pressure roasting furnace is characterized in that: comprising an outer casing and an inner cylinder arranged inside the outer casing; the outer casing is provided with a hot air inlet and a hot air outlet, and the hot air is The hot air inlet enters between the outer casing and the inner cylinder to heat the material in the inner cylinder; the inner cylinder is provided with a material inlet, a material outlet and a pressure port, and the pressure The port is used to pressurize the inside of the inner shell when the material is roasted; a stirring shaft is arranged through the inner cylinder, and the stirring shaft is used for stirring the material when the material is roasted. 2 . The horizontal ventilation stirring belt-pressure roasting furnace according to claim 1 , wherein a thermal insulation layer is arranged between the outer casing and the inner cylinder, and hot air enters the thermal insulation layer through the hot air inlet. 3 . and the inner cylinder. 3 . The horizontal ventilation stirring belt-pressure roasting furnace according to claim 1 , wherein the material inlet and the material outlet are respectively arranged at the upper and lower parts of the inner cylinder. 4 . 4. The horizontal ventilation stirring belt-pressure roasting furnace according to claim 1, characterized in that: both ends of the outer casing are provided with end seats, and both ends of the stirring shaft are provided through the end seats; One end of the stirring shaft is connected with a driving system for driving the stirring shaft to rotate. 5. The horizontal ventilation stirring belt pressure roasting furnace according to claim 4, characterized in that: a primary seal sealed by packing and a secondary seal sealed by oil seal are arranged between the stirring shaft and the end seat seal. 6 . The horizontal ventilating stirring belt-pressure roasting furnace according to claim 4 , wherein the upper part and the lower part of the end seat are provided with static seals. 7 . 7 . The horizontal ventilation stirring belt-pressure roasting furnace according to claim 1 , wherein a plurality of stirring paddles are arranged on the stirring shaft, and both ends of the stirring shaft are supported and rotated by bearings. 8 . 8. The horizontal ventilation stirring belt pressure roasting furnace according to claim 1, characterized in that: one end of the stirring shaft is provided with a stirring shaft hot air inlet and a stirring shaft hot air outlet, and the hot air enters the In the stirring shaft, it is used for indirect heating of materials. 9 . The horizontal ventilation stirring belt-pressure roasting furnace according to claim 4 , wherein the driving system comprises a driving motor and a transmission gear set, and the driving motor and the stirring shaft are powered by the transmission gear set. 10 . connect. 10 . The horizontal ventilation stirring belt pressure roasting furnace according to claim 1 , further comprising a frame, and the outer casing is mounted on the frame. 11 .

Images