Coal-saving surface coal mixing device

Abstract

The utility model relates to the technical field of pulverized coal mixing, and particularly discloses a coal-saving type surface coal mixing device which comprises a grinding assembly for mixing target objects and a mixing assembly mounted at the bottom of the grinding assembly, the grinding assembly comprises a base plate, a shell is arranged above the base plate, a feeding opening used for feeding a target object is formed in the top of the shell, and a grinding area capable of grinding the target object is arranged on the inner side of the shell; a mixing assembly is arranged at the bottom of the chassis and is used for receiving a ground target object; according to the utility model, through the combination of the mixing component and the grinding component, the powder with different granularities can be fully mixed in a manner of pre-mixing and grinding, and meanwhile, in order to avoid the problem of overheat grinding during mixing, the grinding area can be cooled through the cooling medium filled in the cooling area, so that the problem of overheat is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coal powder mixing, in particular to a coal-saving flour coal mixing device. Background Art

[0002] Pulverized coal is a pulverized coal product made by processes such as coal crushing, grinding and classification. It is often used in industrial fields, such as fuel for power plants, because it is easy to store, transport and burn. The characteristics of pulverized coal include particle size distribution, calorific value, ash content, sulfur content, etc. These characteristics affect its combustion efficiency and environmental emissions. When using pulverized coal, it is necessary to select the appropriate coal type and mixing ratio according to specific needs to achieve the best use effect.

[0003] Mixing different types of pulverized coal can bring a variety of effects and advantages. The traditional mixing process only uses stirring to achieve mixing, but different types of pulverized coal have different particle sizes. When mixing, the stratification effect is relatively obvious, which leads to incomplete combustion and uneven mixing in the later stage, and it is also easy to cause waste of pulverized coal of different particle sizes. Based on this, it needs to be improved. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a coal-saving flour coal mixing device, which solves the problem that different types of pulverized coal have different particle sizes, and when mixed, the stratification effect is relatively obvious, resulting in insufficient combustion and uneven mixing in the later stage, and easily causing waste of pulverized coal of different particle sizes.

[0005] The utility model discloses a coal-saving flour-coal mixing device, comprising a grinding assembly for mixing target objects and a mixing assembly installed at the bottom of the grinding assembly;

[0006] The grinding assembly comprises a bottom plate, a shell is arranged above the bottom plate, a feeding port for feeding the target object is arranged at the top of the shell, and a grinding area for grinding the target object is arranged inside the shell;

[0007] A mixing assembly is provided at the bottom of the chassis for receiving the target object after grinding;

[0008] The mixing assembly comprises a supporting frame, the top of the supporting frame is connected to the bottom plate, a mixing cylinder is arranged in the middle of the supporting frame, and a mixing area is arranged inside the mixing cylinder.

[0009] As a further improvement of the utility model, a grinding block is arranged inside the grinding area, a grinding plate is arranged outside the grinding block, and a grinding ring arranged in parallel is arranged on the grinding plate located in the grinding area for grinding the target object.

[0010] As a further improvement of the present invention, the inner side of the grinding ring is a cooling area, and the cooling area is filled with a cooling medium for processing the grinding target object.

[0011] As a further improvement of the present invention, a material unloading area is provided at the bottom of the shell in the middle of the chassis, a transmission shaft is installed inside the material unloading area, and the transmission shaft is adapted to the grinding block.

[0012] As a further improvement of the present invention, a through hole is opened in the middle of the bottom of the mixing barrel, and a central shaft is installed. A bevel gear set is arranged at one end of the central shaft. A linkage shaft is passed through the middle of the bevel gear set, and both ends extend to both sides of the support frame.

[0013] As a further improvement of the utility model, a support bracket is arranged on the outer side of the support frame, a driving motor is installed on the top of the support bracket, and the output shaft of the driving motor is adapted to one end of the linkage shaft.

[0014] As a further improvement of the present invention, a transmission wheel group is arranged at the other end of the linkage shaft, and the transmission wheel group includes a transmission wheel 1 and a transmission wheel 2, and the transmission wheel 1 and the transmission wheel 2 are connected by a belt.

[0015] As a further improvement of the utility model, the first transmission wheel is adapted to a transmission shaft installed on one side of the housing, and the second transmission wheel is combined with one end of the linkage shaft.

[0016] As a further improvement of the present invention, the top of the mixing barrel is open and adapted to the feeding area, a mixing area is provided on the inner side of the mixing barrel, a guide block is provided in the inner middle part of the mixing area, and the outer side of the guide block is annular and connected to one or more mixing combs through a connecting piece.

[0017] As a further improvement of the present invention, one or more comb teeth are arranged below the mixing comb for mixing the target object.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model combines a mixing component and a grinding component to make powders of different particle sizes fully mixed by pre-mixing and grinding. At the same time, during mixing, in order to avoid the problem of overheating during grinding, the cooling medium filled in the cooling area can cool the grinding area to avoid the problem of overheating. At the same time, after the materials are discharged, the mixing cylinder arranged at the bottom and the comb teeth arranged inside can mix the ground materials to improve the mixing degree. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 This is a schematic diagram of the front view structure of the combination of the grinding component and the mixing component of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the grinding assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the top view of the grinding assembly of the utility model;

[0024] Figure 4 For this utility model Figure 3 Schematic diagram of the CC cross-section structure;

[0025] Figure 5 This is a schematic diagram of the structure of the grinding assembly of the utility model when viewed from above;

[0026] Figure 6 This is a schematic diagram of the top view of the mixing cylinder of the utility model;

[0027] Figure 7 It is a front view structural diagram of the comb teeth of the utility model.

[0028] In the figure: 1. Grinding component; 2. Mixing component;

[0029] 11. Shell; 12. Feeding port; 13. Transmission wheel 1; 14. Chassis; 15. Grinding area; 16. Grinding block; 17. Grinding plate; 18. Cooling area; 19. Unloading area; 110. Transmission shaft;

[0030] 21. Mixing barrel; 22. Driving motor; 23. Support frame; 24. Transmission wheel 2; 25. Belt; 26. Mixing area; 27. Mixing comb; 28. Guide block; 29. ​​Connector; 210. Comb teeth. DETAILED DESCRIPTION

[0031] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0032] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0033] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 Mixing different types of pulverized coal can bring a variety of effects and advantages. The traditional mixing process only uses stirring to achieve mixing. However, different types of pulverized coal have different particle sizes. When mixing, the stratification effect is relatively obvious, which leads to insufficient combustion and uneven mixing in the later stage, and it is also easy to cause waste of pulverized coal with different particle sizes. Based on this, the present application provides a coal-saving flour coal mixing device, including a grinding component 1 for mixing a target object and a mixing component 2 installed at the bottom of the grinding component 1;

[0034] The grinding assembly 1 includes a bottom plate 14, a housing 11 is disposed above the bottom plate 14, a feeding port 12 for feeding a target object is disposed at the top of the housing 11, and a grinding area 15 for grinding the target object is disposed inside the housing 11;

[0035] A mixing assembly 2 is provided at the bottom of the chassis 14 for receiving the target object after grinding;

[0036] The mixing assembly 2 includes a support frame 23 , the top of the support frame 23 is connected to the bottom plate 14 , a mixing cylinder 21 is arranged in the middle of the support frame 23 , and a mixing area 26 is arranged inside the mixing cylinder 21 .

[0037] First, the grinding assembly 1 includes a bottom plate and an upper shell 11. A grinding area 15 is provided inside the shell 11 to grind the target material. A feed port 12 is provided at the top of the shell 11 to facilitate the feeding of the target material. This design ensures the uniformity and efficiency of the pulverized coal during the grinding process.

[0038] A mixing assembly 2 is installed at the bottom of the base plate to receive the target after grinding. The mixing assembly 2 includes a support frame 23 and a mixing barrel 21. The support frame 23 is connected to the base plate and is stable and reliable. A mixing area 26 is provided inside the mixing barrel 21 to ensure that the pulverized coal after grinding is fully mixed during the mixing process, thereby improving the mixing efficiency and uniformity.

[0039] By setting up the grinding component 1 and the mixing component 2, a pre-mixed grinding method is adopted to solve the problems of stratification, insufficient mixing and waste in the traditional mixing method. At the same time, a cooling area 18 is set during the mixing process to avoid the occurrence of overheating problems and ensure the stability and safety of the grinding and mixing process.

[0040] It not only improves the mixing efficiency and uniformity of pulverized coal, but also saves energy and raw materials and reduces production costs. By optimizing the mixing process of pulverized coal, the efficiency and quality of industrial production can be improved.

[0041] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5 A grinding block 16 is disposed inside the grinding area 15 , a grinding plate 17 is disposed outside the grinding block 16 , and the grinding plate 17 is disposed at the grinding area 15 and has parallel grinding rings for grinding the target object.

[0042] The inner side of the grinding ring is a cooling area 18, and the cooling area 18 is filled with a cooling medium for processing the grinding target object.

[0043] Grinding blocks 16 are arranged inside the grinding area 15, and grinding plates 17 are arranged outside the grinding blocks 16. The grinding plates 17 are located at the grinding area 15, and grinding rings are arranged on the grinding plates 17 in parallel, which are used to grind the target object.

[0044] A cooling area 18 is formed on the inner side of the grinding ring. The cooling area 18 is filled with a cooling medium for processing the heat generated during the grinding process to ensure the stability and safety of the grinding process.

[0045] The grinding assembly takes into account the heat generated during the grinding process. By setting up a cooling area 18 and a cooling medium, the temperature during the grinding process is effectively controlled, overheating is avoided, and the equipment and target materials are protected. This not only improves the safety and stability of the grinding process, but also extends the service life of the equipment and reduces maintenance costs. By effectively controlling the temperature of the grinding process, the grinding efficiency can also be improved and energy consumption can be reduced. The cooling medium is usually a substance with good thermal conductivity and high stability. Common cooling media include water, air, oil, and coolant. According to the above-mentioned usage scenarios, oil or coolant is preferably used.

[0046] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 as well as Figure 7A material unloading area 19 is provided at the bottom of the housing 11 in the middle of the chassis 14 , and a transmission shaft 110 is installed inside the material unloading area 19 , and the transmission shaft 110 is adapted to the grinding block 16 .

[0047] A through hole is opened in the middle of the bottom of the mixing barrel 21 and a central shaft is installed. A bevel gear set is arranged at one end of the central shaft. A linkage shaft is passed through the middle of the bevel gear set and its two ends extend to both sides of the support frame 23 .

[0048] A support bracket is arranged outside the support frame 23, and a driving motor 22 is installed on the top of the support bracket. The output shaft of the driving motor 22 is adapted to one end of the linkage shaft.

[0049] A transmission shaft 110 is installed on the inner side of the unloading area 19, and the transmission shaft 110 is adapted to the grinding block 16 to ensure the smooth progress of the grinding process. A through hole is opened in the middle of the bottom of the mixing barrel 21, and a central shaft is installed. A bevel gear set is arranged at one end of the central shaft, and a linkage shaft is passed through the middle, and both ends extend to both sides of the support frame 23.

[0050] A support bracket is arranged outside the support frame 23, and a driving motor 22 is installed on the top of the support bracket. The output shaft of the driving motor 22 is adapted to one end of the linkage shaft to form a complete transmission system. This transmission system realizes the operation control of the mixing drum 21 through the cooperation of the transmission shaft 110, the central shaft, the linkage shaft and the driving motor 22.

[0051] Through the above settings, the stability and efficiency of the mixing process are guaranteed. Through the precise design of the transmission system, the continuous grinding and mixing process can be ensured, which improves production efficiency. At the same time, the transmission part of the equipment adopts wear-resistant and high-temperature resistant materials, which prolongs the service life of the equipment and reduces maintenance costs.

[0052] A transmission wheel set is arranged at the other end of the linkage shaft, and the transmission wheel set includes a transmission wheel 13 and a transmission wheel 24 . The transmission wheel 13 and the transmission wheel 24 are connected by a belt 25 .

[0053] The transmission wheel 13 is adapted to the transmission shaft 110 installed on one side of the housing 11, and the transmission wheel 24 is combined with one end of the linkage shaft.

[0054] The top of the mixing barrel 21 is open and adapted to the feeding area 19 . A mixing area 26 is provided on the inner side of the mixing barrel 21 . A guide block 28 is provided in the inner middle of the mixing area 26 . The outer side of the guide block 28 is annular and connected to one or more mixing combs 27 through a connecting piece 29 .

[0055] One or more comb teeth 210 are disposed below the mixing comb 27 for mixing the target object.

[0056] The other end of the linkage shaft is provided with a transmission wheel set, including a transmission wheel 13 and a transmission wheel 24, which are connected by a belt 25. The transmission wheel 13 is adapted to the transmission shaft 110 on the side of the housing 11, and the transmission wheel 24 is combined with one end of the linkage shaft to form a transmission system of the mixing device.

[0057] The top of the mixing barrel 21 is open and adapted to the material discharge area 19. A mixing area 26 is provided inside, and a guide block 28 is installed in the middle of the inner side of the mixing area 26. One or more mixing combs 27 are connected to the outer side of the guide block 28 through a connecting piece 29. One or more comb teeth 210 are provided below the mixing combs 27 for mixing the target object.

[0058] Through the cooperation of the transmission wheel set and the belt 25, the linkage shaft can stably transmit power to ensure that the mixing process inside the mixing barrel 21 is continuous, while the guide block 28 and the mixing comb 27 in the mixing area 26 can effectively mix the target materials, thereby improving the uniformity and efficiency of the mixing.

[0059] The above design not only improves the efficiency and quality of the mixing process, but also reduces energy consumption and production costs. Through precise transmission system design and optimization of the mixing area 26, the mixing device can achieve energy conservation and emission reduction while ensuring the mixing quality, meeting the requirements of sustainable development.

[0060] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A coal-saving flour-coal mixing device, comprising a grinding assembly (1) for mixing a target object and a mixing assembly (2) mounted at the bottom of the grinding assembly (1); Features: The grinding assembly (1) comprises a bottom plate (14), a shell (11) is arranged above the bottom plate (14), a feeding port (12) for feeding a target object is arranged at the top of the shell (11), and a grinding area (15) for grinding the target object is arranged inside the shell (11); A mixing assembly (2) is provided at the bottom of the chassis (14) for receiving the target object after grinding; The mixing assembly (2) comprises a support frame (23), the top of the support frame (23) is connected to the bottom plate (14), a mixing cylinder (21) is arranged in the middle of the support frame (23), and a mixing area (26) is arranged inside the mixing cylinder (21).

2. A coal-saving flour-coal mixing device according to claim 1, characterized in that: A grinding block (16) is arranged inside the grinding area (15), a grinding plate (17) is arranged outside the grinding block (16), and the grinding plate (17) is provided with a parallel grinding ring at the grinding area (15) for grinding the target object.

3. A coal-saving flour-coal mixing device according to claim 2, characterized in that: The inner side of the grinding ring is a cooling area (18), and the cooling area (18) is filled with a cooling medium for processing the grinding target object.

4. A coal-saving flour-coal mixing device according to claim 1, characterized in that: The bottom of the housing (11) is located in the middle of the chassis (14) and is provided with a material unloading area (19). A transmission shaft (110) is installed inside the material unloading area (19), and the transmission shaft (110) is adapted to the grinding block (16).

5. The coal-saving flour-coal mixing device according to claim 1, characterized in that: A through hole is provided in the middle of the bottom of the mixing cylinder (21) and a central shaft is installed thereon. A bevel gear set is provided at one end of the central shaft. A linkage shaft is passed through the middle of the bevel gear set and its two ends extend to both sides of the support frame (23).

6. A coal-saving flour-coal mixing device according to claim 1, characterized in that: A support bracket is arranged outside the support frame (23), a driving motor (22) is installed on the top of the support bracket, and an output shaft of the driving motor (22) is adapted to one end of the linkage shaft.

7. A coal-saving flour-coal mixing device according to claim 5, characterized in that: A transmission wheel group is arranged at the other end of the linkage shaft, and the transmission wheel group comprises a transmission wheel 1 (13) and a transmission wheel 2 (24), and the transmission wheel 1 (13) and the transmission wheel 2 (24) are connected via a belt (25).

8. A coal-saving flour-coal mixing device according to claim 7, characterized in that: The transmission wheel 1 (13) is adapted to a transmission shaft (110) installed on one side of the housing (11), and the transmission wheel 2 (24) is combined with one end of the linkage shaft.

9. The coal-saving flour-coal mixing device according to claim 1, characterized in that: The top of the mixing barrel (21) is open and adapted to the material discharge area (19). A mixing area (26) is provided on the inner side of the mixing barrel (21). A guide block (28) is provided in the middle of the inner side of the mixing area (26). The outer side of the guide block (28) is annular and connected to one or more mixing combs (27) via a connecting piece (29).

10. A coal-saving flour-coal mixing device according to claim 9, characterized in that: One or more comb teeth (210) are arranged below the mixing comb (27) for mixing the target object.

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