Kiln waste gas automatic ignition device and kiln applying same

Abstract

The utility model relates to the technical field of kiln waste gas treatment, in particular to a kiln waste gas automatic ignition device and a kiln applying the same. An automatic ignition device for waste gas of a kiln comprises an exhaust chimney which is installed on the top of the kiln and used for discharging combustible waste gas in the kiln; the ignition mechanism is used for igniting and combusting the waste gas exhausted from the exhaust chimney; and the detection mechanism is used for detecting whether flames in the exhaust chimney are extinguished or not. The ignition mechanism comprises an igniter, a nozzle of the igniter is obliquely arranged, and a nozzle opening of the nozzle of the igniter is located above an outlet of the exhaust chimney. According to the utility model, the igniter is additionally arranged on the waste gas discharge port of the exhaust chimney of the kiln, so that the discharged organic waste gas is automatically ignited and burnt, and the waste gas in the hearth is discharged after being burnt, so that the environment is prevented from being polluted; meanwhile, a flame detection device is additionally arranged, and automatic alarming can be achieved when flames are extinguished; the utility model has the advantages of simple structure and strong practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln waste gas treatment, in particular to a kiln waste gas automatic ignition device and a kiln using the device. Background Art

[0002] A kiln is a piece of equipment made of refractory materials used to fire ceramic products. It is an essential facility in ceramic molding. Kiln technology is constantly improving and developing.

[0003] In many cases, the gases within the kiln are organic, which can be converted into carbon dioxide and water after combustion. Therefore, for some small kilns, the exhaust gases are usually ignited in the exhaust duct or exhaust chimney inside the furnace. In this way, the exhaust process is also a combustion process. Existing ignition in the exhaust duct or exhaust chimney uses a handheld ignition gun to ignite the flame, which requires climbing to the top of the furnace, which is unsafe. In addition, the existing structure cannot determine whether the flame is extinguished, which poses environmental pollution and safety risks. This paper proposes an automatic kiln exhaust gas ignition device and a kiln using this device to address the problems existing in the existing technology. Utility Model Content

[0004] The purpose of the utility model is to provide a kiln exhaust gas automatic ignition device and a kiln using the device, so as to solve the problems in the prior art that ignition in an exhaust duct or an exhaust chimney is carried out manually by using a handheld ignition gun, and a person has to climb onto the top of the furnace, which has no safety guarantee; in addition, the existing structure cannot tell whether the flame is extinguished, which poses environmental pollution and safety risks.

[0005] The technical solution of the utility model is: a kiln exhaust gas automatic ignition device, comprising:

[0006] Exhaust chimney, installed on the top of the kiln, used to discharge combustible waste gas from the kiln;

[0007] Ignition mechanism, ignites and burns the exhaust gas discharged from the exhaust chimney;

[0008] The detection mechanism detects whether the flame in the exhaust chimney is extinguished.

[0009] Preferably, the ignition mechanism includes an igniter, the nozzle of the igniter is arranged at an angle, and the mouth of the nozzle of the igniter is located above the outlet of the exhaust chimney.

[0010] Preferably, the acute angle between the nozzle of the igniter and the horizontal line is 30°-40°, and the mouth of the nozzle of the igniter is located at the upper edge of the outlet of the exhaust chimney.

[0011] Preferably, the exhaust chimney is in the shape of a column with a decreasing diameter from bottom to top, and the exhaust chimney includes a first column, a second column, and a tapered column connecting the first column and the second column with a larger opening at the lower end and a smaller opening at the upper end.

[0012] Preferably, the nozzle of the igniter is funnel-shaped, and the igniter is fixed to the exhaust chimney via a bracket.

[0013] Preferably, the detection mechanism is an ultraviolet flame detector, and the ultraviolet flame detector is hinged on the bracket.

[0014] The present utility model also provides a kiln, comprising the above-mentioned kiln exhaust gas automatic ignition device, and also comprising a kiln body, a feeding mechanism, and a combustion mechanism. The kiln body is provided with a feeding port and a discharging port at both ends thereof, and the feeding mechanism is arranged inside the kiln body. The material enters the feeding mechanism inside the kiln body from the feeding port, is burned by the combustion mechanism, and is transported by the feeding mechanism, and leaves the kiln body from the discharging port.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) The utility model is an automatic ignition device for kiln exhaust gas, comprising: an exhaust chimney, installed on the top of the kiln, for discharging combustible exhaust gas from the kiln; an ignition mechanism, for igniting and burning the exhaust gas discharged from the exhaust chimney; a detection mechanism, for detecting whether the flame in the exhaust chimney is extinguished; an igniter is added to the exhaust gas discharge port of the kiln exhaust chimney to automatically ignite and burn the discharged organic waste gas, and the furnace exhaust gas is discharged after combustion to avoid polluting the environment; at the same time, a flame detection device is added, which will automatically alarm when the flame is extinguished; the utility model has a simple structure and strong practicality.

[0017] (2) In an automatic ignition device for kiln exhaust gas in the present invention, the acute angle between the nozzle of the igniter and the horizontal line is 30°-40°, and the mouth of the nozzle of the igniter is located at the upper edge of the outlet of the exhaust chimney. This position setting makes the exhaust gas at the outlet of the exhaust chimney easier to be ignited.

[0018] (3) In the automatic ignition device for kiln exhaust gas in the present invention, the ultraviolet flame detector is hinged on the bracket, and the hinge facilitates adjustment of the ultraviolet flame detector to align with the flame. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a schematic structural diagram of a kiln exhaust gas automatic ignition device according to this embodiment;

[0021] Figure 2This is a partial structural diagram of a kiln exhaust gas automatic ignition device described in this embodiment.

[0022] Including: 1. Exhaust chimney, 2. Ignitor, 3. Ultraviolet flame detector, 4. Bracket. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the present invention in conjunction with specific embodiments:

[0024] In the description of the utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the utility model.

[0025] like Figure 1 、 Figure 2 As shown, a kiln exhaust gas automatic ignition device includes: an exhaust chimney 1, installed on the top of the kiln, used to discharge the combustible exhaust gas in the kiln; an ignition mechanism, igniting and burning the exhaust gas discharged from the exhaust chimney 1; and a detection mechanism, detecting whether the flame in the exhaust chimney 1 is extinguished. More specifically, the ignition mechanism includes an igniter 2, the nozzle of the igniter 2 is tilted, and the mouth of the nozzle of the igniter 2 is located above the outlet of the exhaust chimney 1. Furthermore, the acute angle α between the nozzle of the igniter 2 and the horizontal line is 30°-40° (such as Figure 2 As shown), the mouth of the nozzle of the igniter 2 is located at the upper edge of the outlet of the exhaust chimney 1. This position setting makes the exhaust gas at the outlet of the exhaust chimney 1 easier to ignite. The exhaust chimney 1 is in the shape of a cylinder with a decreasing diameter from bottom to top. The exhaust chimney 1 includes a first cylinder, a second cylinder, and a conical cylinder connecting the first cylinder and the second cylinder with a larger opening at the lower end and a smaller opening at the upper end. The nozzle of the igniter 2 is funnel-shaped, and the igniter 2 is fixed to the exhaust chimney 1 through a bracket 4. The ignition control of the igniter 2 is controlled by the controller. The detection mechanism is an ultraviolet flame detector 3, which is hinged on the bracket 4. The hinge facilitates the adjustment of the ultraviolet flame detector to align with the flame. The ultraviolet flame detector 3 identifies the presence of flame by detecting the ultraviolet rays generated by the flame. Its working principle is to collect the ultraviolet spectrum generated during the combustion process through the UV probe, and calculate and output the analog flame signal through the intelligent frequency synthesis module. When the controller obtains the flame extinction signal at the outlet of the exhaust chimney 1, it will alarm and the workers will take measures immediately.

[0026] The utility model also provides a kiln, comprising the above-mentioned kiln exhaust gas automatic ignition device, a kiln body, a feeding mechanism, and a combustion mechanism. The kiln body is provided with a feeding port and a discharging port at both ends thereof, and the feeding mechanism is arranged inside the kiln body. The material enters the feeding mechanism inside the kiln body from the feeding port, is burned by the combustion mechanism, and is transported by the feeding mechanism to leave the kiln body from the discharging port.

[0027] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it accordingly, and they are not intended to limit the scope of protection of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A kiln exhaust gas automatic ignition device, characterized in that: include: Exhaust chimney, installed on the top of the kiln, used to discharge combustible waste gas from the kiln; Ignition mechanism, ignites and burns the exhaust gas discharged from the exhaust chimney; The detection mechanism detects whether the flame in the exhaust chimney is extinguished.

2. The kiln exhaust gas automatic ignition device according to claim 1, characterized in that: The ignition mechanism comprises an igniter, the nozzle of the igniter is arranged in an inclined manner, and the mouth of the nozzle of the igniter is located above the outlet of the exhaust chimney.

3. The automatic ignition device for kiln exhaust gas according to claim 2, characterized in that : The acute angle between the nozzle of the igniter and the horizontal line is 30°-40°, and the mouth of the nozzle of the igniter is located at the edge position above the outlet of the exhaust chimney.

4. The kiln exhaust gas automatic ignition device according to claim 1, characterized in that: The exhaust chimney is in a cylindrical shape with a decreasing diameter from bottom to top, and comprises a first cylinder, a second cylinder, and a tapered cylinder connecting the first cylinder and the second cylinder with a larger opening at the lower end and a smaller opening at the upper end.

5. The kiln exhaust gas automatic ignition device according to claim 2, characterized in that: The nozzle of the igniter is funnel-shaped, and the igniter is fixed on the exhaust chimney through a bracket.

6. The kiln exhaust gas automatic ignition device according to claim 5, characterized in that: The detection mechanism is an ultraviolet flame detector, which is hinged on the bracket.

7. A kiln, characterized in that: The automatic ignition device for kiln exhaust gas comprises the device according to any one of claims 1 to 6, and further comprises a kiln body, a feeding mechanism, and a combustion mechanism. A feeding port and a discharging port are respectively provided at both ends of the length of the kiln body. The feeding mechanism is provided inside the kiln body. The material enters the feeding mechanism inside the kiln body from the feeding port, is burned by the combustion mechanism, and is transported by the feeding mechanism to leave the kiln body from the discharging port.

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