Energy-saving rotary kiln capable of supporting combustion and preserving heat in tin ore roasting process

Abstract

The utility model relates to the field of tin ore roasting equipment, and discloses a combustion-supporting heat-preservation energy-saving rotary kiln in the tin ore roasting process, which comprises a bottom plate and a kiln body, the left end of the upper surface of the bottom plate is fixedly connected with a fixing frame, an anti-explosion ring is fixedly arranged at the axis of the outer cambered surface of the outer wall of the kiln body, and a regulation and control assembly is arranged on the left surface of the kiln body. The regulation and control assembly comprises an oxygen assisting machine, an air inlet is formed in the upper surface of the oxygen assisting machine, an oxygen conveying pipe is fixedly installed at the output end of the oxygen assisting machine, and a regulation cavity is connected to the outer wall of the oxygen conveying pipe in a penetrating mode. According to the utility model, the parts such as the regulating cavity, the wind direction plate and the wind regulating plate in the regulating component are matched with each other by utilizing the connection relationship, so that the oxygen-assisted regulation of the equipment in the roasting process of tin ore is realized, the convenience of regulating the oxygen-assisted resources by the equipment is improved, the energy consumption of the equipment is reduced, and the energy-saving and combustion-supporting effects of the equipment are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to tin ore roasting equipment field especially relates to energy -conserving type rotary kiln of combustion supporting in the tin ore roasting process. BACKGROUND

[0002] In the process of tin ore roasting, the traditional rotary kiln technology faces a series of challenges, including low thermal efficiency, high energy consumption and insufficient combustion process. These problems not only increase production costs, but also have adverse effects on the environment.

[0003] Rotary kiln is a kind of industrial kiln, which is a key equipment for high-temperature treatment of materials. Its main function is to change the physical and chemical properties of materials under high temperature. Through the continuous movement of the rotary cylinder, the material is in full contact with the high-temperature gas flow, so as to realize uniform heating and chemical reaction. In tin smelting, rotary kiln is widely used in the roasting process of tin ore.

[0004] The above device has the following defects: the transmission system of the existing rotary kiln needs to drive the whole rotary kiln, and the rotary kiln device has a large shape, which leads to low transmission efficiency, thus consuming a large amount of energy during the whole operation process. In addition, oxygen is used to support combustion during the process of tin ore roasting in the rotary kiln. In order to improve the roasting effect of tin ore, oxygen supporting adjustment needs to be made to the rotary kiln. Frequent opening and closing of the oxygen supporting device will bring high load to the equipment, which will bring inconvenience to the workers in adjusting the oxygen supporting of the rotary kiln. Therefore, the energy-saving rotary kiln for combustion supporting in the tin ore roasting process is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides an energy-saving rotary kiln for combustion supporting in the tin ore roasting process, which aims to improve the problems of large energy consumption and inconvenient oxygen supporting adjustment in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: the energy-saving rotary kiln for combustion supporting in the tin ore roasting process, comprising a bottom plate and a kiln body, the upper surface of the bottom plate is fixedly connected with a fixed frame at the left end, the outer arc surface of the outer wall of the kiln body is fixedly installed with an explosion-proof ring at the shaft center, the left surface of the kiln body is provided with a control assembly, the control assembly comprises an oxygen supporting machine, the upper surface of the oxygen supporting machine is provided with an air inlet, the output end of the oxygen supporting machine is fixedly installed with an oxygen supply pipe, the outer wall of the oxygen supply pipe is connected with an adjusting cavity, the right surface of the adjusting cavity is connected with an oxygen supplement port in the groove, and the right surface of the kiln body is provided with an output assembly.

[0007] As a further description of the above technical solution: the output assembly includes a gear disc, a feed pipe is connected through the shaft center of the right surface of the kiln body, a support frame is fixedly connected to the upper surface of the bottom plate near the rear side of the gear disc, a motor is fixedly connected to the right surface of the support frame, and the output shaft of the motor is fixedly connected with a driving gear.

[0008] As a further description of the above technical solution: the inner wall shaft center of the adjusting cavity is fixedly installed with an air adjusting plate, and the inner wall groove of the oxygen supplement port is fixedly installed with an air direction plate.

[0009] As a further description of the above technical solution: the oxygen supplement port is rotatably connected at the shaft center of the left surface of the kiln body.

[0010] As a further description of the above technical solution: the outer arc surface of the outer wall of the kiln body is fixedly connected with two groups of rotary discs on the left and right sides, two groups of support seats are fixedly connected to the upper surface of the bottom plate near the front and rear sides of the rotary discs, and support wheels are rotatably connected to the inner surfaces of the support seats.

[0011] As a further description of the above technical solution: the outer arc surface of the outer wall of the support wheel is in contact with the outer arc surface of the outer wall of the rotary disc.

[0012] As a further description of the above technical solution: the oxygen supplement machine is fixedly connected to the shaft center of the upper surface of the fixed frame.

[0013] As a further description of the above technical solution: the gear disc is fixedly connected to the right surface outside of the kiln body.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1. In the utility model, the mutual cooperation between the connecting relationship of the adjusting cavity, the air direction plate, the air adjusting plate and other parts in the regulation assembly realizes the oxygen assisting regulation during the roasting process of the tin ore by the equipment, improves the convenience of the oxygen assisting resource regulation of the equipment, reduces the energy effect of the equipment, and enhances the energy saving combustion supporting effect of the equipment.

[0016] 2. In the utility model, the mutual cooperation between the connecting relationship of the rotary disc, the support wheel, the gear disc and other parts in the output assembly realizes the rolling support of the support wheel on the rotary disc during the rotation of the kiln body, reduces the overloading caused by the weight of the kiln body during the rotation, reduces the rotation energy consumption of the equipment, and enhances the energy saving effect of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The main front view area schematic diagram of the energy-saving rotary kiln for combustion supporting during the roasting process of tin ore is provided for the utility model;

[0018] Figure 2 The explosion schematic view of the partial area parts of the oxygen assisting machine of the energy-saving rotary kiln for combustion and heat preservation in the tin ore roasting process according to the utility model;

[0019] Figure 3 The explosion schematic view of the partial area parts of the adjusting cavity of the energy-saving rotary kiln for combustion and heat preservation in the tin ore roasting process according to the utility model;

[0020] Figure 4 The explosion schematic view of the partial area parts of the kiln body of the energy-saving rotary kiln for combustion and heat preservation in the tin ore roasting process according to the utility model.

[0021] Legend:

[0022] 1, bottom plate; 2, kiln body; 21, feed pipe; 3, explosion-proof ring; 4, fixed frame; 5, regulating assembly; 51, adjusting cavity; 52, air regulating plate; 53, air direction plate; 54, oxygen supplement port; 55, oxygen assisting machine; 56, air inlet; 57, oxygen conveying pipe; 6, output assembly; 61, support frame; 62, motor; 63, driving gear; 64, gear disc; 65, rotary disc; 66, support seat; 67, support wheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Refer to Figure 1 - Figure 2 An embodiment provided by the utility model: the energy-saving rotary kiln for combustion and heat preservation in the tin ore roasting process, including bottom plate 1 and kiln body 2, the bottom plate 1 is supported to the equipment, the kiln body 2 is roasted to the tin ore, the upper surface left end of the bottom plate 1 is fixedly connected with fixed frame 4, the fixed frame 4 is supported to the oxygen assisting machine 55, the outer arc surface axis of the outer wall of the kiln body 2 is fixedly installed with explosion-proof ring 3, the setting avoids the phenomenon that the kiln body 2 local area is unevenly heated and leads to the direct explosion of the outer wall during the roasting rotation of the kiln body 2 to the tin ore, the left surface of the kiln body 2 is provided with regulating assembly 5, and the right surface of the kiln body 2 is provided with output assembly 6.

[0025] Refer to Figure 1 - Figure 3When the tin ore in the kiln body 2 needs to be assisted by combustion support, the regulating assembly 5 is started, the regulating assembly 5 comprises an oxygen booster 55, the oxygen booster 55 is fixedly connected to the upper surface shaft center of the fixed frame 4, the upper surface of the oxygen booster 55 is provided with an air inlet 56, the oxygen booster 55 is started, the oxygen booster 55 collects a large amount of air through the air inlet 56, the output end of the oxygen booster 55 is fixedly installed with an oxygen supply pipe 57, after the purified oxygen in the oxygen booster 55, the combustion-supporting gas is input into the adjusting cavity 51 through the oxygen supply pipe 57, the outer wall of the oxygen supply pipe 57 is connected with the adjusting cavity 51, the combustion-supporting gas is introduced into the oxygen supplement inlet 54 through the recesses in the air adjusting plate 52 and the air direction plate 53 and enters the inside of the kiln body 2, the combustion-supporting gas cooperates with the rotation of the kiln body 2 to realize the auxiliary combustion of the tin ore, thereby improving the roasting effect of the equipment on the tin ore, the right surface recess of the adjusting cavity 51 is connected with the oxygen supplement inlet 54, when the staff needs to regulate the oxygen supply, the adjusting cavity 51 is rotated by a tool, the adjusting cavity 51 drives the air adjusting plate 52 to rotate, the oxygen supplement inlet 54 is rotatably connected to the left surface shaft center of the kiln body 2, the inner wall shaft center of the adjusting cavity 51 is fixedly installed with the air adjusting plate 52, the recess part of the air adjusting plate 52 and the recess part of the air direction plate 53 change the shielding area, the inner wall recess of the oxygen supplement inlet 54 is fixedly installed with the air direction plate 53, thereby achieving the control of the input amount of the combustion-supporting gas in the adjusting cavity 51, realizing the oxygen supply regulation of the equipment in the roasting process of the tin ore, improving the convenience of the equipment in regulating the oxygen supply resource, reducing the energy consumption of the equipment, and enhancing the energy-saving combustion effect of the equipment.

[0026] Referring to Figure 2 - Figure 4 , the output assembly 6 is started during the rotation of the kiln body 2, the motor 62 is started, the output assembly 6 comprises a toothed disc 64, the toothed disc 64 is fixedly connected to the right surface outside of the kiln body 2, the right surface shaft center of the kiln body 2 is connected with the feeding pipe 21, the upper surface of the bottom plate 1 is fixedly connected with the support frame 61 near the rear side of the toothed disc 64, the right surface of the support frame 61 is fixedly connected with the motor 62, the output shaft of the motor 62 is fixedly connected with the driving gear 63, the output shaft of the motor 62 drives the driving gear 63 to rotate, the driving gear 63 drives the toothed disc 64 to rotate, realizing the rotary motion of the kiln body 2, the left and right sides of the outer arc surface of the outer wall of the kiln body 2 are fixedly connected with two groups of rotary discs 65, the upper surface of the bottom plate 1 is fixedly connected with two groups of support seats 66 near the front and rear sides of the rotary discs 65, the support wheels 67 rollingly support the rotary discs 65 during the rotation of the kiln body 2, the inner surface of the support seat 66 is rotatably connected with the support wheel 67, the outer arc surface of the outer wall of the support wheel 67 is in contact with the outer arc surface of the outer wall of the rotary disc 65, reducing the overweight load caused by the weight of the kiln body 2 during the rotation, reducing the rotary energy consumption of the equipment, improving the rotary efficiency of the equipment, and enhancing the energy-saving effect of the equipment.

[0027] Working principle: when the tin ore in the kiln body 2 needs to be assisted combustion, start the control assembly 5, start the oxygen machine 55, the oxygen machine 55 collects a large amount of air through the air inlet 56, and after the purified oxygen in the oxygen machine 55, the combustion-supporting gas is input into the adjusting cavity 51 through the oxygen conveying pipe 57, and after the combustion-supporting gas passes through the air adjusting plate 52 and the groove in the air direction plate 53, it is introduced into the oxygen supplementing port 54 and enters the inside of the kiln body 2, and the combustion-supporting gas cooperates with the kiln body 2 to realize the auxiliary combustion of the tin ore, thereby improving the roasting effect of the equipment on the tin ore, when the staff needs to control the oxygen, the adjusting cavity 51 is rotated by the tool, the air adjusting plate 52 is driven to rotate by the adjusting cavity 51, the shielding area of the groove part in the air adjusting plate 52 and the groove part of the air direction plate 53 is changed, thereby controlling the input amount of the combustion-supporting gas in the adjusting cavity 51, realizing the oxygen control of the equipment during the roasting process of the tin ore, improving the convenience of the equipment for oxygen resource control, reducing the energy effect of the equipment, enhancing the energy-saving combustion effect of the equipment, and the output assembly 6 is started during the rotation of the kiln body 2, the motor 62 is started, the output shaft of the motor 62 is rotated to drive the driving gear 63 to rotate, the driving gear 63 is rotated to drive the gear disc 64 to rotate, realizing the rotary motion of the kiln body 2, the supporting wheel 67 rolls and supports the rotary disc 65 during the rotation of the kiln body 2, reducing the overloading caused by the weight of the kiln body 2 during the rotation, reducing the rotary energy consumption of the equipment, improving the rotary efficiency of the equipment, and enhancing the energy-saving effect of the equipment.

[0028] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. Energy-saving rotary kiln for combustion-supporting and heat preservation in tin ore roasting process, comprising a bottom plate (1) and a kiln body (2), characterized in that: The upper surface left end of the bottom plate (1) is fixedly connected with a fixed frame (4), the outer arc surface axis of the outer wall of the kiln body (2) is fixedly installed with an explosion-proof ring (3), the left surface of the kiln body (2) is provided with a regulating assembly (5), the regulating assembly (5) comprises an oxygen booster (55), the upper surface of the oxygen booster (55) is provided with an air inlet (56), the output end of the oxygen booster (55) is fixedly installed with an oxygen supply pipe (57), the outer wall of the oxygen supply pipe (57) is connected with an adjusting cavity (51), the right surface recess of the adjusting cavity (51) is connected with an oxygen supplement port (54), and the right surface of the kiln body (2) is provided with an output assembly (6).

2. The energy-saving rotary kiln for combustion-supporting and heat-insulating of tin ore roasting process according to claim 1, characterized in that: The output assembly (6) comprises a toothed disc (64), the right surface axis of the kiln body (2) is connected with a feeding pipe (21), the upper surface of the bottom plate (1) is fixedly connected with a support frame (61) on the rear side of the toothed disc (64), the right surface of the support frame (61) is fixedly connected with a motor (62), and the output shaft of the motor (62) is fixedly connected with a driving gear (63).

3. The energy-saving rotary kiln for combustion-supporting and heat-insulating of tin ore roasting process according to claim 1, characterized in that: The inner wall axis of the adjusting cavity (51) is fixedly installed with an air adjusting plate (52), and the inner wall recess of the oxygen supplement port (54) is fixedly installed with an air direction plate (53).

4. The energy-saving type rotary kiln for combustion-supporting and heat-insulating in tin ore roasting process according to claim 1, characterized in that: The oxygen supplement port (54) is rotatably connected to the left surface axis of the kiln body (2).

5. The energy-saving type rotary kiln for combustion-supporting and heat-insulating in tin ore roasting process according to claim 1, characterized in that: The outer arc surfaces of the left and right sides of the outer wall of the kiln body (2) are fixedly connected with two groups of rotary discs (65), the upper surface of the bottom plate (1) is fixedly connected with two groups of support seats (66) on the front and rear sides of the rotary disc (65), and the inner surface of the support seat (66) is rotatably connected with a support wheel (67).

6. The energy-saving type rotary kiln for combustion-supporting and heat-insulating of tin ore roasting process according to claim 5, characterized in that: The outer arc surface of the outer wall of the support wheel (67) is in contact with the outer arc surface of the outer wall of the rotary disc (65).

7. The energy-saving rotary kiln for combustion-supporting and heat-insulating of tin ore roasting process according to claim 1, characterized in that: The oxygen booster (55) is fixedly connected to the upper surface axis of the fixed frame (4).

8. The energy-saving type rotary kiln for combustion-supporting and heat-insulating in tin ore roasting process according to claim 2, characterized in that: The toothed disc (64) is fixedly connected to the right surface outside of the kiln body (2).

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