Coking coal cascade preheating equipment
By designing a coking coal cascade preheating equipment and utilizing a uniform heating structure and connecting pipes, multi-level preheating of coal is achieved, solving the problem of uneven preheating time in existing equipment and improving the coal coking quality and preheating efficiency.
Patent Information
- Application Number
- CN202422932980.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the existing technology, when the coking coal preheating equipment performs cascade preheating on the coal, there is a problem of uneven preheating time when the existing equipment performs cascade coking on the coal, which leads to substandard coal coking quality.
A coking coal cascade preheating equipment is designed. The multi-level preheating of coal is achieved through the design of uniform heating structure and connecting pipe. The coordination of motor-driven stirring rod and sliding plate is used to achieve uniform preheating and smooth discharge of coal between different layers to avoid accumulation.
It achieves uniform preheating of coal, ensures the quality of coal coking, improves preheating efficiency and smoothness, and avoids quality problems caused by overheating of a certain layer.
Smart Images
Figure CN223445487U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal coking, in particular to coking coal cascade preheating equipment. BACKGROUND
[0002] Coal coking is also called coal high-temperature dry distillation, which is a coal conversion process that uses coal as raw material, heats to about 950 DEG C under air isolation, produces coke through high-temperature dry distillation, and obtains coal gas, coal tar and other chemical products. The main use of coke is ironmaking, and a small amount is used as a chemical raw material to manufacture calcium carbide, electrode and the like. However, the existing coal coking equipment has the problems that the coal entering the equipment first has a long preheating time, the temperature meets the preheating standard, the coal entering the equipment later has a short preheating time, the preheating time is insufficient, the temperature is substandard, and the quality of coal coking is easily affected. Therefore, the utility model provides coking coal cascade preheating equipment. UTILITY MODEL CONTENTS
[0003] The utility model aims at providing coking coal cascade preheating equipment to solve the problems in the background art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a coking coal cascade preheating equipment, comprising a processing barrel, the top of the processing barrel is fixedly connected with a top cover, the inside of the processing barrel and the top cover is provided with a uniform heating structure, and the uniform heating structure is used for uniformly heating coal;
[0005] The uniform heating structure comprises a motor and an outer hopper, the output end of the motor is fixedly connected with a main shaft, the outer side of the main shaft is fixedly connected with a plurality of inner fixed rings, the outer side of the inner fixed ring is fixedly connected with an elastic pushing strip and a stirring rod, the bottom of the stirring rod is provided with an inner hopper, the bottom of the inner hopper is fixedly connected with a plurality of connecting rods, and the inner hopper is connected with the outer hopper through the connecting rods.
[0006] Among them, the top outer side of the inner hopper is provided with a blocking fence at the front and rear ends, the inner side of the blocking fence is provided with a sliding groove, and the inner side of the sliding groove is slidably connected with a sliding plate.
[0007] Among them, the head of the sliding plate is slidably connected with the tail of the blocking fence on the other side.
[0008] Among them, the top of the sliding plate is fixedly connected with a pushing rod.
[0009] Among them, a plurality of mounting holes are formed on the left and right sides of the processing barrel, and the adjacent side mounting holes are connected through a communication pipe.
[0010] Among them, the outer side of the communication pipe is provided with a control valve.
[0011] The outer fixed ring is fixedly connected with the bottom outer side of the processing barrel.
[0012] The top cover is provided with a feeding opening at the top.
[0013] The processing barrel has at least the following beneficial effects:
[0014] When coal is added into the processing barrel through the feeding opening, the coal falls into the inner hopper of the top layer, and meanwhile, the motor drives the rotation of the main shaft, thereby driving the rotation of the inner fixed ring and the stirring rod, and the added coal is uniformly preheated, after the preheating is completed, the motor reversely rotates, drives the rotation of the elastic pushing strip of the top layer, and pushes the pushing rod, thereby driving the contraction of the sliding plate, and the coal is discharged downward along the opening into the outer hopper, and is discharged into the lower layer through the outer hopper and is preheated for multiple times, and meanwhile, after the discharge is completed, the coal can be continuously added into the top part for preheating, and the coal can be preheated in multiple stages, and the preheating of the coal is ensured to be sufficient. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a perspective view of the utility model;
[0016] Figure 2 It is a side view of the utility model;
[0017] Figure 3 It is a top side view of the utility model;
[0018] Figure 4 It is a schematic view of the internal structure of the utility model;
[0019] Figure 5 It is a schematic view of the uniform heating structure of the utility model.
[0020] In the drawing: 1, processing barrel; 2, outer fixed ring; 3, support frame; 4, uniform heating structure; 401, communication pipe; 402, motor; 403, control valve; 404, inner fixed ring; 405, blocking fence; 406, connecting rod; 407, sliding plate; 408, main shaft; 409, outer hopper; 410, mounting hole; 411, elastic pushing strip; 412, stirring rod; 413, pushing rod; 414, sliding groove; 415, inner hopper; 5, top cover; 6, feeding opening. DETAILED DESCRIPTION
[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Embodiment one
[0022] Please refer to Figures 1 to 5 The present application provides a technical solution: the coking coal cascade preheating equipment, including processing bucket 1, the top of processing bucket 1 is fixedly connected with top cover 5, the inside of processing bucket 1 and top cover 5 is provided with uniform heating structure 4, and the uniform heating structure 4 is used for uniformly heating coal;
[0023] The uniform heating structure 4 includes motor 402 and outer hopper 409, the output end of motor 402 is fixedly connected with main shaft 408, the outer side of main shaft 408 is fixedly connected with a plurality of inner fixed rings 404, the outer side of inner fixed ring 404 is respectively and symmetrically fixedly connected with elastic pushing strip 411 and stirring rod 412, the bottom of stirring rod 412 is provided with inner hopper 415, and the bottom of inner hopper 415 is fixedly connected with a plurality of connecting rods 406; inner hopper 415 is connected with outer hopper 409 through connecting rod 406.
[0024] When coal is added to the inside of processing bucket 1 through feeding opening 6, the coal falls into the inside of top layer inner hopper 415, and motor 402 drives main shaft 408 to rotate, thereby driving inner fixed ring 404 and stirring rod 412 to rotate, and then uniformly preheating the added coal; after preheating is completed, motor 402 reversely rotates, drives top layer elastic pushing strip 411 to rotate, and drives pushing rod 413 to rotate, thereby driving sliding plate 407 to contract, and the coal is discharged downward along the opening into outer hopper 409 and then into the lower layer for multiple preheating; after discharging is completed, the top can continue to add coal inward for preheating; because the coal addition time interval is short, the three layers of preheating in processing bucket 1 are synchronous; when the coal discharged and preheated in the top layer reaches the middle and lower layers, the coal in the middle and lower layers can continue to be discharged downward, so that the preheating of coal is smooth, and the coal is prevented from being excessively heated in a layer.
[0025] The top outer side of inner hopper 415 is provided with blocking fence 405 at both ends, the inner side of blocking fence 405 is provided with sliding groove 414, the inner side of sliding groove 414 is slidably connected with sliding plate 407, and blocking fence 405 is used for blocking the falling of coal, so that the preheating time of coal in a layer is sufficient; sliding plate 407 can slide and contract in sliding groove 414, so that the coal can be discharged into the lower layer.
[0026] The head of the sliding plate 407 is inserted and connected with the tail of the blocking fence 405 on the other side.
[0027] The top of the sliding plate 407 is fixedly connected with a push rod 413, which is used to drive the sliding plate 407 to retract. Embodiment two
[0028] The left and right sides of the processing barrel 1 are also provided with a plurality of mounting holes 410, and the adjacent mounting holes 410 are connected through a communication pipe 401.
[0029] The outer side of the communication pipe 401 is provided with a control valve 403, and the opening and closing of the communication pipe 401 can be controlled by starting and stopping the control valve 403, so as to ensure the communication between the adjacent levels.
[0030] The bottom outer side of the processing barrel 1 is fixedly connected with an outer fixing ring 2, and the bottom four corners of the outer fixing ring 2 are fixedly connected with a support frame 3, which is used to support the overall structure.
[0031] The top of the top cover 5 is provided with a feeding port 6, which is used to add coal into the processing barrel 1.
[0032] It should be noted that, in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A coking coal cascade preheating device, comprising: A processing barrel (1), characterized in that a top cover (5) is fixedly connected to the top of the processing barrel (1), a uniform heating structure (4) is provided inside the processing barrel (1) and the top cover (5), and the uniform heating structure (4) is used to uniformly heat the coal; The uniform heating structure (4) includes a motor (402) and an outer hopper (409), the output end of the motor (402) is fixedly connected to a main shaft (408), the outer side of the main shaft (408) is fixedly connected to a plurality of inner fixed rings (404), the outer sides of the inner fixed rings (404) are symmetrically fixedly connected to elastic push bars (411) and stirring rods (412), the bottoms of the stirring rods (412) are provided with inner hoppers (415), the bottoms of the inner hoppers (415) are fixedly connected to a plurality of connecting rods (406), and the inner hoppers (415) are connected to the outer hopper (409) via the connecting rods (406).
2. The coking coal cascade preheating equipment according to claim 1, characterized in that: Blocking enclosures (405) are provided at both the front and rear ends of the top outer side of the inner hopper (415), and sliding grooves (414) are provided on the inner sides of the blocking enclosures (405), and sliding plates (407) are slidably connected to the inner sides of the sliding grooves (414).
3. The coking coal cascade preheating equipment according to claim 2, characterized in that: The heads of the sliding plates (407) are inserted and slidably connected to the tails of the blocking enclosures (405) on the other side.
4. The coking coal cascade preheating equipment according to claim 3, characterized in that: The top of each sliding plate (407) is fixedly connected to a push rod (413).
5. The coking coal cascade preheating equipment according to claim 1, characterized in that: A plurality of mounting holes (410) are provided on both the left and right sides of the processing barrel (1), and the mounting holes (410) on adjacent sides are connected via a connecting pipe (401).
6. The coking coal cascade preheating equipment according to claim 5, characterized in that: A control valve (403) is provided on the outside of each of the connecting pipes (401).
7. The coking coal cascade preheating equipment according to claim 1, characterized in that: An outer fixing ring (2) is fixedly connected to the outside of the bottom of the processing barrel (1), and support frames (3) are fixedly connected to the four corners of the bottom of the outer fixing ring (2).
8. The coking coal cascade preheating equipment according to claim 1, characterized in that: A feeding port (6) is provided on the top of the top cover (5).