Coal desulfurization machine for thermal power
By designing crushing and conveying components to ensure full contact between the desulfurizing agent and coal, the problem of incomplete desulfurization of large coal pieces is solved, coal desulfurization efficiency is improved, harmful gas emissions are reduced, and the environment is protected.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-01
- Publication Date
- 2026-03-31
AI Technical Summary
Existing coal desulfurization devices are ineffective at reacting to large pieces of coal, resulting in incomplete desulfurization, which affects coal combustion efficiency and causes environmental pollution.
A coal desulfurizer was designed, comprising a crushing component, a conveying component, and a desulfurizing agent storage tank. The crushing component crushes large pieces of coal into smaller pieces, and the desulfurizing agent is fully contacted with the coal during the crushing and conveying stages, thereby improving the desulfurization effect.
It achieves thorough crushing and desulfurization of large coal pieces, improves the thoroughness and efficiency of coal desulfurization, reduces the emission of harmful gases, and protects the environment.
Smart Images
Figure CN224062730U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of coal desulfurization equipment, specifically a coal desulfurization machine for thermal power plants. Background Technology
[0002] Since the primary method of coal utilization is direct combustion for power generation, thermal power plants require enormous amounts of coal. If coal is not desulfurized, it not only hinders coal processing but also produces large quantities of harmful gases during combustion. Sulfur pollution can severely corrode equipment and form acid rain, leading to widespread deforestation, ecosystem damage, reduced agricultural yields, building corrosion, and numerous diseases. Therefore, coal desulfurization devices are necessary before combustion. However, existing methods have poor coal-desulfurization effects; large pieces of coal cannot react effectively with the desulfurizing agent, resulting in incomplete desulfurization and reduced efficiency. Therefore, improvements are needed to address these issues. Utility Model Content
[0003] In view of the above situation and to overcome the current technical defects, this utility model provides a coal desulfurization machine for thermal power plants with good desulfurization effect. This device can crush large coal into small pieces and can fully react the desulfurization agent during the coal crushing and conveying stages, thereby improving the desulfurization effect on coal.
[0004] The technical solution adopted by this utility model is as follows: The coal desulfurization machine for thermal power provided by this solution includes a crushing desulfurization box, a crushing component, a conveying component and a desulfurizing agent storage box. The crushing component is located on one side of the crushing desulfurization box and one end extends into the crushing desulfurization box. The conveying component is located inside the crushing desulfurization box and below the crushing component. The desulfurizing agent storage box is located on the top side of the crushing desulfurization box.
[0005] To facilitate the crushing of large coal pieces into smaller pieces, the crushing assembly includes a drive motor and a crushing tube. The upper part of the crushing and desulfurization box is provided with a crushing chamber, and the crushing tube is rotatably disposed in the crushing chamber. A motor support frame is provided on one side of the crushing and desulfurization box, and the drive motor is disposed on the motor support frame. The output shaft of the drive motor is connected to one end of the crushing tube. Multiple sets of crushing teeth for crushing coal pieces are arranged alternately on the crushing tube, and multiple sets of guide mesh plates for crushing coal pieces are arranged alternately on the crushing chamber.
[0006] To facilitate the conveying of crushed coal, the conveying assembly includes a conveying pipe and spiral conveying blades. A conveying chamber is provided in the middle of the crushing and desulfurization box. The conveying pipe is rotatably disposed in the conveying chamber. The spiral conveying blades are symmetrically disposed on both sides of the conveying pipe. The two sets of spiral conveying blades are arranged facing each other. A discharge port is provided in the middle of the conveying chamber. The coal can be conveyed to the discharge port and discharged by the two sets of spiral conveying blades arranged facing each other driven by the conveying pipe.
[0007] In order to perform comprehensive desulfurization treatment on coal blocks, sprockets are provided on the output shaft of the drive motor and the conveying pipe. The sprockets are driven by chains. Multiple sets of spray heads are evenly distributed on the conveying pipe and the crushing pipe. Rotary joints are provided at the other end of the conveying pipe and the crushing pipe. A guide pipe is connected to the desulfurizing agent storage tank through a conveying pump. The guide pipe is connected to the rotary joint.
[0008] The desulfurizing agent storage tank has a conical guide mesh plate at the lower end of its interior, and discharge ports are provided at the connection points between the conical guide mesh plate and the two sides of the desulfurizing agent storage tank. A waste discharge valve is provided at the bottom of the desulfurizing agent storage tank.
[0009] To facilitate material feeding and waste gas treatment, a material feeding port is provided in the middle of the top wall of the desulfurizing agent storage tank, and a waste gas treatment and purification tank is connected to one side of the top of the desulfurizing agent storage tank.
[0010] The beneficial effects of this utility model using the above structure are as follows: This utility model provides a coal desulfurization machine for thermal power plants, the advantages of which are: the set crushing component can crush the coal, and the set conveying component can transport the crushed coal blocks, the set desulfurizing agent storage tank can introduce the desulfurizing agent into the crushing pipe and the conveying pipe through the guide pipe, and spray it out through the set spray head, so as to facilitate the crushing and conveying stages of the coal blocks, so that the agent can fully desulfurize the coal blocks, and the crushed and desulfurized coal blocks are discharged through the guide plate of the conical guide mesh. Attached Figure Description
[0011] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0012] Figure 1 This is a schematic diagram of the overall structure of a coal desulfurization machine for thermal power plants according to the present invention.
[0013] Figure 2 This is a schematic diagram of the internal structure of a coal desulfurization machine for thermal power plants according to the present invention.
[0014] Figure 3 This is a three-dimensional structural diagram of a crushing component and a conveying component for thermal power plants according to the present invention.
[0015] The components are as follows: 1. Crushing and desulfurization box; 2. Crushing assembly; 3. Conveying assembly; 4. Desulfurizing agent storage box; 5. Drive motor; 6. Crushing pipe; 7. Crushing chamber; 8. Crushing teeth; 9. Guide port; 10. Conveying pipe; 11. Spiral conveyor blade; 12. Conveying chamber; 13. Discharge port; 14. Sprocket; 15. Chain; 16. Spray head; 17. Rotary joint; 18. Guide pipe; 19. Conical guide mesh plate; 20. Discharge port; 21. Waste discharge valve; 22. Bottle holder; 23. Cleaning brush; 24. Spray hole; 25. Rotary joint; 26. Placement trough; 27. Water pipe. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0017] It should be noted that the terms “front,” “back,” “left,” “right,” “up,” and “down” used in the following description refer to the directions shown in the attached diagram, while the terms “inside” and “outside” refer to the directions toward or away from the geometric center of a specific component, respectively.
[0018] like Figure 1 , Figure 2 and Figure 3As shown, the technical solution adopted by this utility model is as follows: The coal desulfurization machine for thermal power provided by this solution includes a crushing desulfurization box 1, a crushing component 2, a conveying component 3, and a desulfurizing agent storage box 4. The crushing component 2 is located on one side of the crushing desulfurization box 1 and one end extends into the crushing desulfurization box 1. The conveying component 3 is located inside the crushing desulfurization box 1 and below the crushing component 2. The desulfurizing agent storage box 4 is located on the top side of the crushing desulfurization box 1. The bottom of the desulfurizing agent storage box 4 is provided with a waste discharge valve 21. The middle of the top wall of the desulfurizing agent storage box 4 is provided with a guide port 22. The top side of the desulfurizing agent storage box 4 is connected to a waste gas treatment and purification box. The crushing component 2 includes a drive motor 5 and a crushing pipe 6. The upper end of the crushing desulfurization box 1 is provided with a crushing chamber 7. The crushing pipe 6 is rotatably located in the crushing chamber 7. A motor support frame is provided on one side of the crushing desulfurization box 1. The motor 5 is mounted on a motor support frame. The output shaft of the drive motor 5 is connected to one end of the crushing pipe 6. The crushing pipe 6 has multiple sets of crushing teeth 8 spaced apart for crushing coal blocks. The crushing chamber 7 has multiple sets of guide mesh plates 9 spaced apart for crushing coal blocks. The conveying assembly 3 includes a conveying pipe 10 and a spiral conveying blade 11. The crushing and desulfurization box 1 has a conveying chamber 12 in the middle. The conveying pipe 10 is rotatably mounted in the conveying chamber 12. The spiral conveying blades 11 are symmetrically arranged on both sides of the conveying pipe 10. The two sets of spiral conveying blades 11 are arranged facing each other. The conveying chamber 12 has an outlet 13 in the middle. The two sets of spiral conveying blades 11 arranged facing each other can be driven by the conveying pipe 10 to convey the coal blocks to the outlet 13 for discharge. The output shaft of the drive motor 5 and the conveying pipe 10 are both equipped with sprockets 14. The sprockets 14 are driven by a chain 15.
[0019] like Figure 2 and Figure 3 As shown, multiple sets of spray heads 16 are evenly distributed on both the conveying pipe 10 and the crushing pipe 6. A rotary joint 17 is provided at the other end of both the conveying pipe 10 and the crushing pipe 6. A guide pipe 18 is connected to the desulfurizing agent storage tank 4 via a conveying pump. The guide pipe 18 communicates with the rotary joint 17. A conical guide mesh plate 19 is provided at the lower end of the interior of the desulfurizing agent storage tank 4. Discharge ports 20 are provided at the connection points between the conical guide mesh plate 19 and both sides of the desulfurizing agent storage tank 4.
[0020] In practical use, the coal to be desulfurized is introduced into the crushing and desulfurization box 1. The drive motor 5 is started to drive the crushing pipe 6 to rotate, so that the crushing teeth 8 rotate to crush the coal. The crushed small coal pieces are then introduced into the conveying chamber 12 through the guide mesh plate 9. At the same time, the conveying pipe 10 is driven by the sprocket 14 and the chain 15. The conveying pipe 10 then rotates through the spiral conveying blades 11 arranged in opposite directions to discharge the crushed small coal pieces onto the conical guide mesh plate 19 and out through the discharge port 20. When crushing the coal, the desulfurizing agent storage box 4 is started to introduce the desulfurizing agent into the conveying pipe 10 and the crushing pipe 6 through the guide pipe 18, and spray it out through the spray head 16 so that the coal can fully contact the desulfurizing agent during the crushing and conveying stages, thereby enabling the small coal pieces to be fully desulfurized.
[0021] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, material, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, material, or apparatus.
[0022] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A coal desulfurizer for thermal power, comprising a pulverizing desulfurizing box and a pulverizing assembly, characterized in that: The device also comprises a material conveying assembly and a desulfurizer storage box, the crushing assembly is arranged at one side of the crushing and desulfurizing box and extends into the crushing and desulfurizing box at one end, the material conveying assembly is arranged in the crushing and desulfurizing box and below the crushing assembly, and the desulfurizer storage box is arranged at one side of the top of the crushing and desulfurizing box. The crushing assembly comprises a driving motor and a crushing pipe, the crushing and desulfurizing box is internally provided with a crushing cavity at the upper end, the crushing pipe is rotatably arranged in the crushing cavity, one side of the crushing and desulfurizing box is provided with a motor support frame, the driving motor is arranged on the motor support frame, the output shaft of the driving motor is connected with one end of the crushing pipe, a plurality of groups of crushing teeth for crushing coal blocks are arranged on the crushing pipe in an interval and staggered manner, and a plurality of groups of guide nets for coal fragments are arranged on the crushing cavity in an interval.
2. A coal desulfurizer for thermal power as claimed in claim 1, wherein: The material conveying assembly comprises a material conveying pipe and spiral conveying leaves, the crushing and desulfurizing box is internally provided with a material conveying cavity at the middle part, the material conveying pipe is rotatably arranged in the material conveying cavity, the spiral conveying leaves are symmetrically arranged on both sides of the material conveying pipe, and the two groups of spiral conveying leaves are arranged opposite to each other, and the material conveying cavity is provided with a discharge port at the middle part.
3. A coal desulfurizer for thermal power as claimed in claim 2 wherein: The output shafts of the driving motor and the material conveying pipe are both provided with sprockets, and the sprockets are driven by a chain.
4. A coal desulfurizer for thermal power as claimed in claim 3 wherein: A plurality of groups of material spraying heads are arranged on the material conveying pipe and the crushing pipe in an interval and uniformly distributed manner, the material conveying pipe and the crushing pipe are provided with a rotary joint at the other end, the desulfurizer storage box is connected with a guide pipe through a material conveying pump, and the guide pipe is communicated with the rotary joint.
5. A coal desulfurizer for thermal power as claimed in claim 4, wherein: The desulfurizer storage box is internally provided with a conical guide net at the lower end, and the conical guide net is provided with a discharge port at the connection with both sides of the desulfurizer storage box.
6. A coal desulfurizer for thermal power as claimed in claim 5 wherein: A guide port is arranged at the middle part of the top wall of the desulfurizer storage box, the desulfurizer storage box is communicated with a waste gas treatment and purification box at one side of the top, and the desulfurizer storage box is provided with a waste discharge valve at the bottom.