Coal pipe sufficient combustion device of decomposition furnace

By designing a sufficient combustion device for coal pipes in the decomposition furnace, including a mixing box, preheating box and temperature monitoring system, the problem of coal fineness and moisture affecting combustion efficiency in the prior art is solved, and the full combustion of coal powder and real-time monitoring and adjustment of the combustion process is achieved, and the combustion efficiency and use effect are improved.

CN222773330UActive Publication Date: 2025-04-18华沃(枣庄)水泥有限公司
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Patent Information

Application Number
CN202421528218.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-29
Publication Date
2025-04-18
Estimated Expiration
2034-06-29

AI Technical Summary

Technical Problem

The existing coal pipes of decomposition furnaces do not have sufficient combustion devices when feeding materials, which causes the fineness and moisture content of coal powder to affect the combustion efficiency, which may lead to insufficient combustion. Most decomposition furnaces do not have combustion data monitoring structures, making it difficult to detect and adjust combustion abnormalities in time.

Method used

A fully combustion device for coal pipes of decomposition furnace is designed, including a body of decomposition furnace, a preheating mechanism and a mixing box. The coal powder is stirred through the mixing box to the appropriate fineness, transmitted to the preheating box for preheating and drying, and fully burned in the body of the decomposition furnace. At the same time, it is equipped with a temperature monitor and an alarm lamp assembly to monitor the combustion situation in real time and alert in a timely manner.

Benefits of technology

Through this device, the combustion efficiency of coal powder is significantly improved, and the combustion process can be monitored and adjusted in real time, avoiding insufficient combustion and abnormal situations, and improving the use effect.

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Abstract

The utility model discloses a decomposing furnace coal pipe sufficient combustion device, and belongs to the technical field of decomposing furnace coal pipe sufficient combustion, the technical scheme is that the decomposing furnace coal pipe sufficient combustion device comprises a decomposing furnace body, a preheating mechanism and a stirring box, the left side of the decomposing furnace body is fixedly communicated with a coal pipe body, and the left side of the preheating mechanism is fixedly communicated with a conveying pipe; the top of the conveying pipe fixedly communicates with the bottom of the stirring box, the top of the preheating mechanism is provided with an alarm lamp assembly, and the front side of the decomposing furnace body is in bolted connection with a temperature monitor. The problems that due to the fact that factors such as the fineness and the moisture content of pulverized coal affect the combustion efficiency of the pulverized coal, when the pulverized coal is too coarse or too wet in the conveying process, insufficient combustion is possibly caused, the combustion effect is affected, and due to the fact that most decomposition furnaces are not provided with combustion data monitoring structures in the combustion process, combustion abnormal conditions cannot be found and adjusted in time conveniently are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of full combustion of coal pipes in decomposition furnaces, in particular to a full combustion device for coal pipes in decomposition furnaces. Background Art

[0002] The decomposition furnace is a new type of thermal equipment in which fuel combustion, heat exchange and decomposition reaction are carried out simultaneously; there are many types and forms of it, and the basic principle is: preheated raw meal, a certain amount of fuel and an appropriate amount of hot gas are fed into the decomposition furnace at the same time, and the raw meal is suspended or boiling in the furnace. The coal tube full combustion device of the decomposition furnace is a device used to improve the combustion efficiency of coal powder.

[0003] At present, a Chinese patent with announcement number CN220083669U discloses a fuel staged combustion denitrification device, including a decomposition furnace body and a rotary kiln, wherein a cone is arranged at the bottom of the decomposition furnace body, and a smoke chamber is arranged at the kiln tail of the rotary kiln. By arranging the first scattering box and the second scattering box above the tertiary air duct, the completeness of combustion in the decomposition furnace can be further improved, thereby reducing the emission of nitrogen oxides in the flue gas, and the second coal injection pipe can make the airflow burning in the smoke chamber have a better staged combustion effect after passing through the cone, thereby achieving the purpose of reducing the nitrogen oxide content in the flue gas, and by providing four groups of first coal injection pipes and second coal injection pipes, and cooperating with two groups of first scattering boxes, two groups of second scattering boxes and the third scattering box with the tertiary air duct, the fuel inside the decomposition furnace body forms a multi-stage combustion zone, further improving the overall combustion effect of coal powder, and fully reacting and reducing nitrogen oxides to nitrogen.

[0004] However, most existing decomposition furnace coal pipes are not equipped with sufficient combustion devices when feeding materials. Factors such as coal powder fineness and moisture content will affect the combustion efficiency of coal powder. When coal powder appears too coarse or too wet during transmission, it may lead to incomplete combustion and affect the combustion effect. In addition, most decomposition furnaces are not equipped with combustion data monitoring structures during combustion, which makes it difficult to detect and adjust abnormal combustion conditions in time and is inconvenient for users to use. Utility Model Content

[0005] The utility model provides a sufficient combustion device for a coal pipe of a decomposition furnace, aiming to solve the problem that most of the existing coal pipes of decomposition furnaces are not provided with a sufficient combustion device when feeding materials, because factors such as the fineness and moisture content of coal powder will affect the combustion efficiency of coal powder. When the coal powder appears too coarse or too wet during transmission, it may cause incomplete combustion, affecting the combustion effect, and most decomposition furnaces are not provided with a combustion data monitoring structure during combustion, which is not convenient for timely detection and adjustment of abnormal combustion conditions, thus affecting the use effect.

[0006] The utility model is implemented as follows: a decomposition furnace coal pipe full combustion device comprises a decomposition furnace body, a preheating mechanism and a stirring box, the left side of the decomposition furnace body is fixedly connected with a coal pipe body, the left side of the preheating mechanism is fixedly connected with a transmission pipe, the top of the transmission pipe is fixedly connected with the bottom of the stirring box, the top of the preheating mechanism is provided with an alarm light assembly, and the front side of the decomposition furnace body is bolted with a temperature monitor;

[0007] The preheating mechanism includes a discharge component, a heater and a preheating box. The top of the preheating box is bolted to the bottom of the heater, the bottom of the discharge component is bolted to the top of the heater, and the right side of the transmission pipe is fixedly connected to the left side of the preheating box.

[0008] In order to achieve the effect of fixing the position of the connecting plate, as a preferred embodiment of the decomposition furnace coal pipe full combustion device of the present invention, the top of the heating machine is bolted with a connecting plate, and the top of the connecting plate is bolted to the bottom of the alarm light assembly.

[0009] In order to achieve the effect of flashing alarm by the alarm light assembly, as a preferred device for fully burning coal pipes in a decomposition furnace of the utility model, the alarm light assembly includes a flashing light and a connecting rod, the bottom of the connecting rod is bolted to the top of the connecting plate, and the top of the connecting rod is bolted to the bottom of the flashing light.

[0010] In order to achieve the effect of connecting the connecting pipe with the preheating box, as a preferred device for fully burning the decomposition furnace coal pipe of the utility model, the right side of the preheating box is fixedly connected with a connecting pipe, the bottom of the connecting pipe is fixedly connected with a fan, and the right side of the fan is fixedly connected with the left side of the coal pipe body.

[0011] In order to achieve the effect of fixing the position of the humidity detector, as a preferred embodiment of the decomposition furnace coal tube full combustion device of the present invention, the front side of the preheating box is bolted with a humidity detector, and the front side of the humidity detector is provided with a control panel.

[0012] In order to achieve the effect of fixing the position of the fixing plate, as a preferred embodiment of the decomposition furnace coal pipe full combustion device of the present invention, the front side of the mixing box is bolted with a fixing plate, and the right side of the fixing plate is bolted with a motor.

[0013] In order to achieve the effect of the motor driving the rotating shaft to rotate, as a preferred device for fully burning coal pipes in a decomposition furnace of the utility model, the inner wall of the stirring box is rotatably connected to a stirring assembly, the output end of the motor is bolted to a rotating shaft, and the rear side of the rotating shaft is bolted to the front side of the stirring assembly.

[0014] In order to achieve the effect of fixing the position of the fixed component, as a preferred embodiment of the decomposition furnace coal pipe full combustion device of the present invention, the bottom of the fan is bolted with a fixed component, and the right side of the fixed component is bolted to the left side of the decomposition furnace body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The decomposition furnace coal pipe full combustion device is provided with a decomposition furnace body, a preheating mechanism, a stirring box, a coal pipe body, a transmission pipe, an alarm light assembly and a temperature monitor. When in use, the coal powder is transmitted to the inner wall of the stirring box, and is stirred by the stirring box, so that the coal powder is stirred to a suitable fineness. The stirred coal powder is transmitted to the inner wall of the preheating box through the transmission pipe, and is output through a heater, so that the heater drives the preheating box to perform preheating and drying, and the processed coal powder is subsequently transmitted to the inner wall of the decomposition furnace body for full combustion. The combustion process of the decomposition furnace body can be monitored in real time by the temperature monitor. The temperature monitoring process is relatively convenient, and it is convenient for the staff to observe the combustion condition of the decomposition furnace body. When the coal powder on the inner wall of the preheating box has too high humidity and cannot be dried quickly, the alarm light assembly will sound an alarm, so as to remind the staff to handle it quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the coal pipe full combustion device of the calciner of the utility model;

[0018] Figure 2 This is a structural diagram of the mixing box in the utility model;

[0019] Figure 3 It is a structural diagram of the transmission tube in the utility model;

[0020] Figure 4 It is a structural diagram of the preheating mechanism in the utility model;

[0021] Figure 5 It is the structural diagram of the blower in the utility model.

[0022] In the figure, 1. decomposition furnace body; 2. preheating mechanism; 201. discharge assembly; 202. heater; 203. preheating box; 3. alarm light assembly; 301. flashing light; 302. connecting rod; 4. stirring box; 5. coal pipe body; 6. transmission pipe; 7. temperature monitor; 8. connecting plate; 9. connecting pipe; 10. fan; 11. humidity detector; 12. control panel; 13. fixing plate; 14. motor; 15. stirring assembly; 16. rotating shaft; 17. fixing assembly. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a decomposition furnace coal pipe full combustion device, comprising a decomposition furnace body 1, a preheating mechanism 2 and a stirring box 4, the left side of the decomposition furnace body 1 is fixedly connected with a coal pipe body 5, the left side of the preheating mechanism 2 is fixedly connected with a transmission pipe 6, the top of the transmission pipe 6 is fixedly connected with the bottom of the stirring box 4, the top of the preheating mechanism 2 is provided with an alarm light assembly 3, and the front side of the decomposition furnace body 1 is bolted with a temperature monitor 7;

[0026] The preheating mechanism 2 includes a discharge component 201, a heater 202 and a preheating box 203. The top of the preheating box 203 is bolted to the bottom of the heater 202, the bottom of the discharge component 201 is bolted to the top of the heater 202, and the right side of the transmission pipe 6 is fixedly connected to the left side of the preheating box 203.

[0027] In this embodiment: by setting a decomposition furnace body 1, a preheating mechanism 2, a stirring box 4, a coal pipe body 5, a transmission pipe 6, an alarm light assembly 3 and a temperature monitor 7, when in use, the coal powder is transmitted to the inner wall of the stirring box 4, and stirred by the stirring box 4, so that the coal powder is stirred to a suitable fineness. The stirred coal powder will be transmitted to the inner wall of the preheating box 203 through the transmission pipe 6, and output through the heater 202, so that the heater 202 can drive the preheating box 203 to perform preheating and drying, so as to facilitate the subsequent transmission of the processed coal powder to the inner wall of the decomposition furnace body 1 for full combustion. The combustion process of the decomposition furnace body 1 can be monitored in real time by the temperature monitor 7. The temperature monitoring process is relatively convenient, which is convenient for the staff to observe the combustion condition of the decomposition furnace body 1. When the coal powder on the inner wall of the preheating box 203 has too high humidity and cannot be dried quickly, the alarm light assembly 3 will sound an alarm, so as to remind the staff to handle it quickly.

[0028] As a technical optimization solution of the present utility model, a connecting plate 8 is bolted to the top of the heating machine 202 , and the top of the connecting plate 8 is bolted to the bottom of the warning light assembly 3 .

[0029] In this embodiment: by setting a connecting plate 8, the connecting plate 8 and the heating machine 202 are fixed in position during use, and the connecting plate 8 and the alarm light assembly 3 are fixed in position, so as to facilitate the subsequent flashing of the alarm light assembly 3.

[0030] As a technical optimization solution of the utility model, the warning light assembly 3 includes a flashing light 301 and a connecting rod 302 , the bottom of the connecting rod 302 is bolted to the top of the connecting plate 8 , and the top of the connecting rod 302 is bolted to the bottom of the flashing light 301 .

[0031] In this embodiment, by providing a flashing light 301 and a connecting rod 302, the connecting rod 302 and the flashing light 301 are fixed in position during use. When the humidity on the inner wall of the preheating box 203 is too high, the flashing light 301 will give a real-time alarm, so as to remind the on-site staff to handle it in time.

[0032] As a technical optimization solution of the utility model, the right side of the preheating box 203 is fixedly connected with a connecting pipe 9, the bottom of the connecting pipe 9 is fixedly connected with a fan 10, and the right side of the fan 10 is fixedly connected with the left side of the coal pipe body 5.

[0033] In this embodiment: by setting the connecting pipe 9 and the fan 10, the position of the connecting pipe 9 and the preheating box 203 are fixed during use, and the position of the connecting pipe 9 and the fan 10 are fixed, which is convenient for subsequent output through the fan 10, so that the coal powder can be transmitted through the connecting pipe 9, which is convenient for users.

[0034] As a technical optimization solution of the present utility model, a humidity detector 11 is bolted to the front side of the preheating box 203 , and a control panel 12 is provided on the front side of the humidity detector 11 .

[0035] In this embodiment: by setting the humidity detector 11 and the control panel 12, the positions of the control panel 12 and the humidity detector 11 are fixed during use, and the positions of the humidity detector 11 and the preheating box 203 are fixed, so that it is convenient to view the temperature and humidity data of the inner wall of the preheating box 203 through the humidity detector 11 later.

[0036] As a technical optimization solution of the present invention, a fixing plate 13 is bolted to the front side of the mixing box 4 , and a motor 14 is bolted to the right side of the fixing plate 13 .

[0037] In this embodiment: by setting the fixing plate 13 and the motor 14, the fixing plate 13 and the motor 14 are fixed in position during use, so as to facilitate the subsequent stable output of the motor 14 and avoid the motor 14 from shaking randomly during use.

[0038] As a technical optimization solution of the utility model, the inner wall of the mixing box 4 is rotatably connected with a mixing assembly 15 , the output end of the motor 14 is bolted with a rotating shaft 16 , and the rear side of the rotating shaft 16 is bolted to the front side of the mixing assembly 15 .

[0039] In this embodiment: by setting a stirring component 15 and a rotating shaft 16, when in use, the stirring component 15 is rotatably connected to the stirring box 4, and the positions of the rotating shaft 16 and the motor 14 are fixed, so that the rotating shaft 16 can be driven to rotate by the motor 14 later. When the rotating shaft 16 rotates, it will also drive the stirring component 15 to rotate.

[0040] As a technical optimization solution of the present utility model, a fixing assembly 17 is bolted to the bottom of the fan 10 , and the right side of the fixing assembly 17 is bolted to the left side of the decomposition furnace body 1 .

[0041] In this embodiment, by setting a fixing component 17, the position of the fixing component 17 and the fan 10 are fixed during use, and the position of the fixing component 17 and the decomposition furnace body 1 are fixed, so as to facilitate the subsequent stable output of the fan 10.

[0042] Working principle: First, when in use, the coal powder is transferred to the inner wall of the mixing box 4, and stirred by the mixing box 4, so that the coal powder is stirred to a suitable fineness. The stirred coal powder will be transferred to the inner wall of the preheating box 203 through the transmission pipe 6, and output through the heater 202, so that the heater 202 can drive the preheating box 203 to perform preheating and drying, so as to facilitate the subsequent transmission of the processed coal powder to the inner wall of the decomposition furnace body 1 for full combustion. The combustion process of the decomposition furnace body 1 can be monitored in real time by the temperature monitor 7. The temperature monitoring process is relatively convenient, which is convenient for the staff to observe the combustion status of the decomposition furnace body 1. When the coal powder on the inner wall of the preheating box 203 has too high humidity and cannot be dried quickly, the alarm light assembly 3 will sound an alarm to remind the staff to quickly deal with it.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for fully burning coal pipes in a calciner, comprising a calciner body (1), a preheating mechanism (2) and a stirring box (4), characterized in that: The left side of the decomposition furnace body (1) is fixedly connected to a coal pipe body (5), the left side of the preheating mechanism (2) is fixedly connected to a transmission pipe (6), the top of the transmission pipe (6) is fixedly connected to the bottom of the stirring box (4), the top of the preheating mechanism (2) is provided with an alarm light assembly (3), and the front side of the decomposition furnace body (1) is bolted with a temperature monitor (7); The preheating mechanism (2) comprises a discharge component (201), a heating machine (202) and a preheating box (203); the top of the preheating box (203) is bolted to the bottom of the heating machine (202); the bottom of the discharge component (201) is bolted to the top of the heating machine (202); and the right side of the transmission pipe (6) is fixedly connected to the left side of the preheating box (203).

2. The device for fully burning coal pipes in a calciner according to claim 1, characterized in that: A connecting plate (8) is bolted to the top of the heating machine (202), and the top of the connecting plate (8) is bolted to the bottom of the warning light assembly (3).

3. The device for fully burning coal pipes in a calciner according to claim 2, characterized in that: The warning light assembly (3) comprises a flashing light (301) and a connecting rod (302), wherein the bottom of the connecting rod (302) is bolted to the top of the connecting plate (8), and the top of the connecting rod (302) is bolted to the bottom of the flashing light (301).

4. The device for fully burning coal pipes in a calciner according to claim 1, characterized in that: The right side of the preheating box (203) is fixedly connected to a connecting pipe (9), the bottom of the connecting pipe (9) is fixedly connected to a fan (10), and the right side of the fan (10) is fixedly connected to the left side of the coal pipe body (5).

5. The device for fully burning coal pipes in a calciner according to claim 1, characterized in that: A humidity detector (11) is bolted to the front side of the preheating box (203), and a control panel (12) is provided on the front side of the humidity detector (11).

6. The device for fully burning coal pipes in a calciner according to claim 1, characterized in that: A fixing plate (13) is bolted to the front side of the mixing box (4), and a motor (14) is bolted to the right side of the fixing plate (13).

7. The device for fully burning coal pipes in a calciner according to claim 6, characterized in that: The inner wall of the stirring box (4) is rotatably connected to a stirring assembly (15), the output end of the motor (14) is bolted to a rotating shaft (16), and the rear side of the rotating shaft (16) is bolted to the front side of the stirring assembly (15).

8. The device for fully burning coal pipes in a calciner according to claim 4, characterized in that: A fixing assembly (17) is bolted to the bottom of the fan (10), and the right side of the fixing assembly (17) is bolted to the left side of the decomposition furnace body (1).

Citation Information

Patent Citations

  • Fuel staged combustion denitration device

    CN220083669U