Pre-combustion area temperature control type pre-combustion furnace

Abstract

The utility model relates to the technical field of combustion furnaces, and discloses a pre-combustion area temperature control type pre-combustion furnace which comprises a pre-combustion furnace and a decomposing furnace, the discharging end of the pre-combustion furnace is communicated with the decomposing furnace, the top of the pre-combustion furnace is communicated with a temperature control pipeline used for leading in / not leading in tertiary air, and the temperature control pipeline is communicated with a temperature control pipeline. The top of the pre-combustion furnace communicates with a feeding end located on the right side of the temperature control pipeline and used for receiving materials, the top of the pre-combustion furnace communicates with a temperature control material pipe used for conducting / not conducting high-temperature waste materials, and a temperature detector is arranged in the pre-combustion furnace. The pre-combustion area temperature control type pre-combustion furnace has the advantages of pre-combustion area temperature regulation and the like, and solves the problem that when cement is processed by using the pre-combustion furnace, most of existing pre-combustion furnaces do not have a temperature control function, and the pre-combustion furnace cannot be used for processing cement. The problems that in the prior art, the pre-combustion effect of heavy and flame-retardant waste materials in a pre-combustion furnace is poor, the pre-combustion effect is poor and low, the pre-combustion furnace is damaged and other potential safety hazards exist, and the use requirement cannot be well met are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of combustion furnaces, in particular to a pre-combustion zone temperature-controlled pre-combustion furnace. Background Art

[0002] A pre-combustion furnace is a device that processes cement by burning combustible materials such as domestic waste and coal. The pre-combustion furnace is mostly composed of a pre-combustion furnace body, a tertiary air supply pipeline, an air-locking feeding system, a hydraulic system, an electronic control system, a high-temperature fire-viewing TV, etc.

[0003] When using a pre-combustion furnace to process cement, since most of the existing pre-combustion furnaces do not have temperature control functions, the pre-combustion effect of heavier and more difficult-to-burn waste in the pre-combustion furnace is poor, the pre-combustion effect is poor and low, and the preheating furnace is damaged, which poses safety hazards and cannot meet the use requirements well. Therefore, a pre-combustion zone temperature-controlled pre-combustion furnace is proposed to solve the above-mentioned problems. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a pre-combustion furnace with a temperature-controlled pre-combustion zone, which has the advantages of pre-combustion zone temperature control, etc., and solves the problem that when using a pre-combustion furnace to process cement, the existing pre-combustion furnaces mostly do not have a temperature control function, resulting in poor pre-combustion effect of heavier and difficult-to-burn waste materials in the pre-combustion furnace, poor and low pre-combustion effect, damage to the preheating furnace and other safety hazards, and cannot meet the use requirements well.

[0006] (2) Technical solution

[0007] The utility model solves the above technical problems with the following technical solutions: a pre-combustion furnace with a temperature control zone, comprising a pre-combustion furnace and a decomposition furnace, wherein the discharge end of the pre-combustion furnace is connected to the decomposition furnace, the top of the pre-combustion furnace is connected to a temperature control pipeline for introducing / not introducing tertiary air, the top of the pre-combustion furnace is connected to a feeding end located on the right side of the temperature control pipeline for receiving materials, the top of the pre-combustion furnace is connected to a temperature control material pipe for conducting / not conducting high-temperature waste, and a temperature detector is provided in the pre-combustion furnace;

[0008] It also includes a temperature controller, wherein the input end of the temperature controller is connected to the temperature detector, and the output end of the temperature controller is connected to the temperature control pipeline and the temperature control material pipe.

[0009] The beneficial effect of the utility model is that the air volume entering the pre-combustion furnace can be adjusted through the air volume regulating valve in the temperature control pipeline, thereby adjusting the combustion temperature in the pre-combustion furnace.

[0010] The pre-combustion zone temperature-controlled pre-combustion furnace has the advantage of pre-combustion zone temperature control.

[0011] On the basis of the above technical solution, the present invention can also be improved as follows.

[0012] Furthermore, the temperature control pipeline includes a temperature control air duct, an air volume regulating valve is fixedly connected to the interior of the temperature control air duct, and an input end of the air volume regulating valve is connected to the temperature controller.

[0013] The beneficial effect of adopting the above further solution is that the internal temperature can be detected by the thermostat and the air volume of the temperature-controlled air duct can be adjusted by the air volume regulating valve, thereby controlling the internal temperature.

[0014] Furthermore, the decomposition furnace is connected to a tertiary air duct, and the tertiary air duct is provided with a branch pipeline connected to the temperature control pipeline for guiding the tertiary air to the temperature control pipeline.

[0015] The beneficial effect of adopting the above further solution is that the hot air with high oxygen content inside the tertiary air duct can be guided to the inside of the temperature control pipeline through the temperature control pipeline, thereby achieving better combustion of the waste.

[0016] Furthermore, the inner bottom of the pre-combustion furnace is arranged in a stepped shape, the top surface of the steps in the pre-combustion furnace is provided with a pusher, and all stepped surfaces in the pre-combustion furnace except the top surface are provided with a blowing member.

[0017] The beneficial effect of adopting the above further solution is that the waste on the stepped surface of the top surface can be pushed to the stepped surface of the bottom surface by the pushing member, and then the waste is broken up by the blowing member, thereby increasing the burning time of the waste.

[0018] Furthermore, it also includes a feeding mechanism for transmitting materials, and the output end of the feeding mechanism is connected to the input end.

[0019] The beneficial effect of adopting the above further solution is that the waste can be fed into the interior of the feeding end through the feeding mechanism.

[0020] Furthermore, it also includes a waste inlet channel for transmitting high-temperature waste, the waste inlet channel is connected to the decomposition furnace, and the waste inlet channel is connected to the temperature control material pipe.

[0021] The beneficial effect of adopting the above further solution is that the high-temperature waste enters the interior of the waste entry channel through the temperature-controlled material pipe, thereby allowing the incoming raw material to be quickly heated and pre-burned before entering the interior of the decomposition furnace. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the utility model process;

[0024] Figure 3 This is a schematic diagram of the control flow of the utility model;

[0025] Figure 4 This is a top view of the connection structure between the temperature control air duct and the air volume regulating valve of the utility model.

[0026] In the figure: 1. Pre-combustion furnace; 2. Temperature control pipeline; 201. Temperature control air duct; 202. Air volume regulating valve; 3. Feeding end; 4. Temperature control pipe; 5. Decomposition furnace; 6. Tertiary air duct; 7. Waste material inlet channel; 8. Temperature detector; 9. Temperature controller; 10. Feeding mechanism; 11. Pushing part; 12. Blowing part. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] In the embodiment, Figure 1-4 A temperature-controlled pre-combustion furnace in a pre-combustion zone is provided. The utility model includes a pre-combustion furnace 1 and a decomposition furnace 5. The discharge end of the pre-combustion furnace 1 is connected to the decomposition furnace 5. The top of the pre-combustion furnace 1 is connected to a temperature control pipeline 2 for introducing / not introducing tertiary air. The top of the pre-combustion furnace 1 is connected to a feeding end 3 located on the right side of the temperature control pipeline 2 for receiving materials. The top of the pre-combustion furnace 1 is connected to a temperature control material pipe 4 for conducting / not conducting high-temperature waste materials. A temperature detector 8 is provided in the pre-combustion furnace 1.

[0029] It also includes a temperature controller 9, the input end of the temperature controller 9 is connected to the temperature detector 8, and the output end of the temperature controller 9 is connected to the temperature control pipeline 2 and the temperature control material pipe 4;

[0030] A material control valve is fixedly connected to the interior of the temperature control material pipe 4;

[0031] The temperature control pipeline 2 includes a temperature control air duct 201, an air volume regulating valve 202 is fixedly connected to the interior of the temperature control air duct 201, and the input end of the air volume regulating valve 202 is connected to the temperature controller 9;

[0032] The internal temperature can be detected by the thermostat 9 and the air volume of the temperature control air duct 201 is adjusted by the air volume regulating valve 202, thereby controlling the internal temperature.

[0033] The decomposition furnace 5 is connected to a tertiary air duct 6, and a branch pipe is opened on the tertiary air duct 6 to connect with the temperature control pipe 2 and to guide the tertiary air to the temperature control pipe 2;

[0034] Through the temperature control pipe 2, the hot air with high oxygen content inside the tertiary air duct 6 can be guided into the interior of the temperature control pipe 2, thereby making the waste burn better;

[0035] The inner bottom of the pre-combustion furnace 1 is arranged in a stepped shape, and a pusher 11 is provided on the top surface of the step in the pre-combustion furnace 1. A blowing member 12 is provided on all stepped surfaces except the top surface of the step in the pre-combustion furnace 1.

[0036] The pusher 11 pushes the waste on the top stepped surface to the bottom stepped surface, and then the blowing member 12 breaks up the waste, thereby increasing the burning time of the waste.

[0037] It also includes a feeding mechanism 10 for conveying materials, and the output end of the feeding mechanism 10 is connected to the feeding end 3;

[0038] The waste can be fed into the interior of the feeding end 3 through the feeding mechanism 10;

[0039] It also includes a waste inlet channel 7 for transmitting high-temperature waste, the waste inlet channel 7 is connected to the decomposition furnace 5, and the waste inlet channel 7 is connected to the temperature control material pipe 4;

[0040] The high-temperature waste enters the waste inlet channel 7 through the temperature-controlled material pipe 4 , so that the incoming raw material can be quickly heated and pre-burned before entering the decomposition furnace 5 .

[0041] Working principle:

[0042] The waste is fed into the interior of the feed end 3 through the feeding mechanism 10, and then the waste enters the interior of the pre-combustion furnace 1, and then the high-temperature waste is put into the interior of the pre-combustion furnace 1 through the temperature control pipe 4 and the high-oxygen air is fed into the interior of the temperature control air duct 201 through the tertiary air duct 6, and then the temperature of the interior of the pre-combustion furnace 1 is detected by the temperature detector 8. When the temperature needs to be increased, the high-oxygen air entering the interior of the pre-combustion furnace 1 is adjusted by the air volume regulating valve 202 to allow the waste inside the pre-combustion furnace 1 to pre-combust the raw material through the high-oxygen air and high-temperature waste, and then the waste is pushed from the top step to the bottom step through the pushing piece 11, and then the waste is pushed to the next step through the blowing piece 12 and the waste is tumbled, so as to achieve a better pre-combustion effect of the waste, and then the waste is pushed into the interior of the decomposition furnace 5 through the blowing piece 12 for combustion.

[0043] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0044] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pre-combustion zone temperature-controlled pre-combustion furnace, comprising a pre-combustion furnace (1) and a decomposition furnace (5), wherein the discharge end of the pre-combustion furnace (1) is connected to the decomposition furnace (5), and is characterized in that: The top of the pre-combustion furnace (1) is connected to a temperature control pipeline (2) for introducing / not introducing tertiary air, the top of the pre-combustion furnace (1) is connected to a feeding end (3) located on the right side of the temperature control pipeline (2) for receiving materials, the top of the pre-combustion furnace (1) is connected to a temperature control material pipe (4) for conducting / not conducting high-temperature waste, and a temperature detector (8) is provided in the pre-combustion furnace (1); It also includes a temperature controller (9), the input end of the temperature controller (9) is connected to the temperature detector (8), and the output end of the temperature controller (9) is connected to the temperature control pipeline (2) and the temperature control material pipe (4).

2. The pre-combustion zone temperature-controlled pre-combustion furnace according to claim 1, characterized in that: The temperature control pipeline (2) includes a temperature control air duct (201), an air volume regulating valve (202) is fixedly connected to the interior of the temperature control air duct (201), and an input end of the air volume regulating valve (202) is connected to a temperature controller (9).

3. The pre-combustion zone temperature-controlled pre-combustion furnace according to claim 2, characterized in that: The decomposition furnace (5) is connected to a tertiary air duct (6), and a branch pipeline connected to the temperature control pipeline (2) for guiding the tertiary air to the temperature control pipeline (2) is opened on the tertiary air duct (6).

4. The pre-combustion zone temperature-controlled pre-combustion furnace according to claim 1, characterized in that: The inner bottom of the pre-combustion furnace (1) is arranged in a stepped shape, the top surface of the steps in the pre-combustion furnace (1) is provided with a pusher (11), and all stepped surfaces in the pre-combustion furnace (1) except the top surface are provided with a blowing member (12).

5. The pre-combustion zone temperature-controlled pre-combustion furnace according to claim 3, characterized in that: It also includes a feeding mechanism (10) for conveying materials, wherein the output end of the feeding mechanism (10) is connected to the feeding end (3).

6. The pre-combustion zone temperature-controlled pre-combustion furnace according to claim 1, characterized in that: It also includes a waste material inlet channel (7) for transmitting high-temperature waste material, wherein the waste material inlet channel (7) is connected to the decomposition furnace (5), and the waste material inlet channel (7) is connected to the temperature control material pipe (4).

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