Mechanically-driven stepped pre-combustion furnace device

Abstract

The utility model discloses a mechanical drive type stepped pre-combustion furnace device which comprises a furnace body, a feeding port is formed in the top of the furnace body, and an air receiving port is formed in the right side portion of the furnace body. One end of the expansion joint is fixedly communicated with a bottom opening of the furnace body, a gate valve is mounted between the expansion joints, and the other end of the expansion joint is fixedly communicated with a furnace inlet of the decomposing furnace; and the multiple movable combustion platforms are arranged, and the multiple movable combustion platforms are arranged in a suspended mode in the direction of the inclined cavity of the furnace body. According to the device, a high-pressure air injection system is abandoned, the influence of long-time injection of high-pressure air on a kiln system is avoided, light materials and heavy materials are separately combusted through wind power, the light materials directly enter the decomposing furnace to be combusted, the heavy materials fall on the platform to be combusted, heat is provided for the decomposing furnace, the influence of the materials on the kiln system is reduced, and the energy consumption is reduced. And the production stability of the kiln system is ensured.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of pre-combustion furnaces, in particular to a mechanically driven stepped pre-combustion furnace device. Background Art

[0002] The existing pre-combustion furnace structure is basically a step set at the bottom, and material transportation is achieved by high-pressure air blowing, but it brings more negative effects. First, the blown air is cold air, which causes a decrease in thermal efficiency. Second, the step is at the bottom, and when the material layer is thick, it is difficult to contact the combustion-supporting air, which is layer combustion and is not conducive to combustion. Utility Model Content

[0003] To this end, the utility model proposes a mechanically driven stepped pre-combustion furnace device to solve the problems raised in the above background technology.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanically driven stepped pre-combustion furnace device, comprising:

[0005] A furnace body, the top of which is provided with a feed inlet, and the right side of the furnace body is provided with an air inlet;

[0006] An expansion joint, one end of which is fixedly connected to the bottom of the furnace body, and a gate valve is installed between the expansion joints, and the other end of the expansion joint is fixedly connected to the furnace inlet of the decomposition furnace;

[0007] And there are multiple movable combustion platforms, and the multiple movable combustion platforms are suspended along the oblique cavity direction of the furnace body, one end of each of the movable combustion platforms is rotatably installed in the furnace body by using a rotating pin 1, and the other end of each of the movable combustion platforms is rotatably connected to one end of a crank shaft by using a rotating pin 2, and the other end of the crank shaft is driven by a servo motor, so that the servo motor can drive the movable combustion platform to flip around the rotating pin 1 through the crank shaft.

[0008] Further, as a preference, a plurality of evenly distributed ash leakage holes are provided through the upper surface of the movable combustion platform.

[0009] Further, preferably, a manhole is provided on the left side of the furnace body.

[0010] Furthermore, preferably, an ash discharge hole is provided on the bottom of the furnace body and below each of the movable combustion platforms.

[0011] Furthermore, as a preference, a plurality of observation holes are provided on the front side of the furnace body, and high temperature resistant glass is installed in each of the observation holes.

[0012] The utility model adopts the above technology and has the following beneficial effects compared with the existing technology: the utility model device abandons the high-pressure air injection system, avoiding the influence of long-term high-pressure air injection on the kiln system; uses wind power to separate the light materials from the heavy materials for combustion, the light materials directly enter the decomposition furnace for combustion, and the heavy materials fall on the platform for combustion, providing heat for the decomposition furnace, reducing the influence of the materials on the kiln system, and ensuring the stability of the kiln system production. The movable combustion platform can also bring the ashes accumulated on the platform that cannot be taken away by the wind into the furnace by the wind at the bottom of the combustion platform during the rotation process, solving the problems of poor layer combustion effect and cold wind brought in by the existing pre-combustion furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view structural schematic diagram of a mechanically driven stepped pre-combustion furnace device;

[0014] Figure 2 It is a schematic diagram of the top view of a mechanically driven stepped pre-combustion furnace device;

[0015] Figure 3 It is a schematic diagram of the rotating state of a movable combustion platform in a mechanically driven stepped pre-combustion furnace device;

[0016] Figure 4 It is a schematic diagram of the installation of a movable combustion platform in a mechanically driven stepped pre-combustion furnace device;

[0017] Figure 5 The present invention is a schematic diagram of the plan structure of a movable combustion platform in a mechanically driven stepped pre-combustion furnace device.

[0018] In the figure: 1. Feed inlet; 2. Air inlet; 3. Furnace inlet; 4. Observation hole; 5. Movable combustion platform; 6. Manhole; 7. Ash discharge hole; 8. Expansion joint; 9. Gate valve; 10. Servo motor; 11. Furnace body; 12. Crank shaft; 13. Ash discharge hole. DETAILED DESCRIPTION

[0019] In conjunction with the accompanying drawings in the embodiments of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below.

[0020] Example: Please refer to the attached Figure 1-5 The utility model provides a technical solution: a mechanically driven stepped pre-combustion furnace device, which comprises:

[0021] The furnace body 11 has a feed port 1 at the top and an air inlet 2 at the right side of the furnace body 11;

[0022] An expansion joint 8, one end of which is fixedly connected to the bottom of the furnace body 11, and a gate valve 9 is installed between the expansion joints 8, and the other end of the expansion joint 8 is fixedly connected to the furnace inlet 3 of the decomposition furnace;

[0023] Specifically, the expansion joint 8 can avoid the influence of thermal expansion and contraction on the equipment, and the gate valve 9 can be closed after the material is stopped to prevent the backfire from rising and causing the material to burn;

[0024] and a movable combustion platform 5, of which a plurality of movable combustion platforms 5 are provided, and the plurality of movable combustion platforms 5 are suspended and arranged along the oblique cavity direction of the furnace body 11, and the combustion-supporting air passes through the upper and lower parts of the movable combustion platform, and one end of each movable combustion platform 5 is rotatably installed in the furnace body 11 by using a rotating pin 1, and the other end of each movable combustion platform 5 is rotatably connected to one end of a crankshaft 12 by using a rotating pin 2, and the other end of the crankshaft 12 is driven by a servo motor 10, so that the servo motor 10 can drive the movable combustion platform 5 to flip around the rotating pin 1 through the crankshaft 12;

[0025] Specifically, the material enters the furnace body from the feed port 1, and under the action of wind, enters the decomposition furnace from the furnace inlet 3, and the number of the feed port 1, the air inlet 2, and the furnace inlet 3 can be increased or decreased according to actual application requirements;

[0026] It should be emphasized that in special applications, the combustion platform can also be arranged in a fixed manner, thereby eliminating the driving mechanism.

[0027] In this embodiment, a plurality of evenly distributed ash leakage holes 13 are provided through the upper surface of the movable combustion platform 5 .

[0028] In this embodiment, a manhole 6 is provided on the left side of the furnace body 11 and is sealed with a blind flange.

[0029] In this embodiment, an ash discharge hole 7 is provided on the bottom of the furnace body 11 and below each movable combustion platform 5 , and part of the ash accumulated in the device can be discharged through the ash discharge hole 7 .

[0030] In this embodiment, a plurality of observation holes 4 are provided on the front side of the furnace body 11 , and each observation hole 4 is installed with high temperature resistant glass, so that the material feeding and combustion conditions can be observed.

[0031] In specific implementation, the material enters the furnace from the feed port 1, enters the decomposition furnace from the furnace inlet 3, and is connected to the wind provided by the factory at the air inlet 2. Light materials are blown into the decomposition furnace with the wind, and heavy materials fall onto the movable combustion platform 5 for combustion; the movable combustion platform 5 has an ash leakage hole 13, and the ashes after the heavy materials are burned on the movable combustion platform 5 can leak out through the ash leakage hole 13 and be brought into the decomposition furnace by the wind. The ashes left on the movable combustion platform 5 can be brought into the decomposition furnace by the wind as the movable combustion platform 5 moves. The observation hole 4 is used to observe the combustion effect of the material; after stopping the feeding, the gate valve 9 is closed, and the maintenance personnel can enter the inside of the stepped pre-combustion furnace device through the manhole 6 for maintenance; the ash discharge hole 7 can discharge the materials and ashes that have not entered the decomposition furnace.

[0032] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A mechanically driven stepped pre-combustion furnace device, characterized in that: It includes: A furnace body (11) is provided with a feed inlet (1) at the top, and an air inlet (2) is provided at the right side of the furnace body (11); An expansion joint (8), one end of which is fixedly connected to the bottom of the furnace body (11), and a gate valve (9) is installed between the expansion joints (8), and the other end of the expansion joint (8) is fixedly connected to the furnace inlet (3) of the decomposition furnace; And a movable combustion platform (5), which is provided in plurality, and the plurality of movable combustion platforms (5) are suspended along the oblique cavity direction of the furnace body (11), one end of each of the movable combustion platforms (5) is rotatably mounted in the furnace body (11) by means of a rotating pin 1, and the other end of each of the movable combustion platforms (5) is rotatably connected to one end of a crankshaft (12) by means of a rotating pin 2, and the other end of the crankshaft (12) is driven by a servo motor (10), so that the servo motor (10) can drive the movable combustion platform (5) to flip around the rotating pin 1 through the crankshaft (12).

2. The mechanically driven stepped pre-combustion furnace device according to claim 1 is characterized in that: The upper surface of the movable combustion platform (5) is provided with a plurality of evenly distributed ash leakage holes (13).

3. The mechanically driven stepped pre-combustion furnace device according to claim 1 is characterized in that: A manhole (6) is provided on the left side of the furnace body (11).

4. The mechanically driven stepped pre-combustion furnace device according to claim 1 is characterized in that: An ash discharge hole (7) is provided on the bottom of the furnace body (11) and below each of the movable combustion platforms (5).

5. The mechanically driven stepped pre-combustion furnace device according to claim 1 is characterized in that: A plurality of observation holes (4) are arranged on the front side of the furnace body (11), and each of the observation holes (4) is installed with high temperature resistant glass.

Images