A closed conveying and automatic ash distribution device for coking dust removal
By designing a closed conveying and automated ash distribution device for coking dust removal ash, the problems of serious dust and low automation during the ash distribution process of coking dust removal ash are solved, and uniform discharge and precise ash distribution of coking dust removal ash are achieved, ensuring accurate control of coking quality.
Patent Information
- Application Number
- CN202420578637.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-03-22
AI Technical Summary
There are problems such as severe dust, low automation and low accuracy in the ash distribution process of coking dust removal ash, which makes it difficult to accurately control the quality of coke.
A closed conveying and automated ash distribution device for coking dust removal ash is designed, including supporting steel structures, agglomeration bins, slip pipes, star unloaders, ash distribution scales, belt conveyors and suction tank trucks. By controlling the frequency of star unloader and the operation speed of the ash scale, uniform discharge and precise ash distribution of coking dust removal ash can be achieved. At the same time, sealed conveying and automated ash distribution are adopted to avoid dust dissipation.
The closed transport of coking dust removal ash and automatic ash distribution are realized, which significantly reduces dust dissipation, improves the degree of automation and accuracy of ash distribution, and ensures accurate control of coke quality.
Smart Images
Figure CN222700238U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a closed conveying and automatic ash distribution device for coking dust removal, belonging to the technical field of feeding or unloading mechanisms. Background Art
[0002] The coking dust comes from the ground environmental dust removal and unloading points of dry coke quenching, the primary and secondary dust removal and unloading points of dry coke quenching, the ground environmental dust removal and unloading points of coke ovens, the ground dust removal and unloading points on the sides of coke ovens, the ground dust removal and unloading points for screening coke and other single-point dust removal and unloading points. Although each unloading point is equipped with an unloading room, a star-shaped unloader, a humidifier, dust collection and suppression ducts, and corresponding dust removal and sealing measures, it is unable to achieve closed unloading due to the influence of the unloading process, resulting in serious dust emission.
[0003] The dust removal ash is mainly coke dust, with only a small amount of coal dust, that is, the dust removal ash at the ground dust removal and ash unloading point on the machine side is coal dust, and the dust removal ash from the ground environment of dry coke quenching, the dust removal ash from the primary and secondary dust removal of dry coke quenching, the dust removal ash from the ground environment of coke oven, the dust removal ash from the ground dust removal of coke screening, and the dust removal ash from other single-point dust removal and ash unloading points are coke dust ash. Although humidified ash unloading can be used to distribute water to different types of dust removal ash in proportion, it is affected by the operating skills of personnel in various positions, resulting in uneven proportions and dust emission problems, and there is also a waste of water resources. Although the dust removal ash is transported by dump trucks and is equipped with sealed covers, dust overflow still occurs during transportation. Secondary dust is generated when the dust collected by the dump truck is unloaded to the material yard. The ash is mixed by a loader, and repeated mixing results in dust emission and cannot achieve accurate ash mixing, which in turn affects the precise control of coke quality. Utility Model Content
[0004] The utility model aims to provide a closed conveying and automatic ash blending device for coking dust removal ash in view of the technical problems of serious dust emission, low automation and low accuracy in the ash blending process.
[0005] A closed conveying and automatic ash distribution device for coking dust removal ash comprises a supporting steel structure and a collecting ash bin installed on the supporting steel structure for storing coking dust removal ash, wherein the bottom outlet of the collecting ash bin is connected to a chute, the chute is provided with a first manual closed gate valve and a star-shaped discharger, an ash distribution scale is provided just below the bottom outlet of the chute, and a belt conveyor for conveying coking coal powder is provided below the ash distribution scale;
[0006] A ash beating pipe is provided on one side of the ash collecting bin, one end of which is connected to the top of the ash collecting bin, and the other end of the ash beating pipe is connected to a wear-resistant rubber hose, and the end of the wear-resistant rubber hose is connected to the suction and discharge tank truck.
[0007] The coking dust collected from various places is stored in the collecting ash bin. The coking dust falls from the chute. The star-shaped unloader can match the running speed of the ash scale to make the coking dust evenly discharged and evenly fall on the belt conveyor that transports coking coal powder. The ash feeding flow rate can be adjusted by controlling the frequency of the star-shaped unloader and the running speed of the ash scale. The ash mixing has a high degree of automation. The suction and discharge tank truck adds coking dust into the collecting ash bin through the ash pipe to achieve closed ash unloading and avoid dust escape.
[0008] A further improvement of the utility model is that a manual regulating valve is provided at the outlet of the bottom end of the slide pipe, which can assist in manually adjusting the ash unloading flow rate, thereby adding a safety layer for the ash unloading and ash mixing operations.
[0009] A further improvement of the utility model is that a silo top dust collector is provided on the top of the ash collecting silo, and the silo top dust collector plays the role of balancing the pressure in the ash collecting silo and removing dust when the suction and exhaust vehicle injects coking dust ash into the ash collecting silo or the ash collecting silo unloads ash.
[0010] A further improvement of the utility model is that a dust cover is provided outside the outlet of the bottom end of the chute, a dust collecting pipe is connected to the inside of the dust cover, and the dust collecting pipe is connected to a dust collector. The coking dust ash falls from the chute and the ash distribution scale to the belt conveyor for conveying coking coal powder, which will generate dust. The dust collector is connected to the dust generating place through the dust collecting pipe to achieve the dust removal effect.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] The coking dust collected from various places is stored in the collecting ash bin, and the coking dust falls from the chute. The star-shaped unloader can match the running speed of the ash scale to make the coking dust ash discharged evenly. The coking dust ash falls evenly on the belt conveyor that transports coking coal powder. The ash feeding flow rate can be adjusted by controlling the frequency of the star-shaped unloader and the running speed of the ash scale. The ash mixing has a high degree of automation. The suction and discharge tank truck adds coking dust ash to the collecting ash bin through the ash pipe to achieve closed ash unloading and avoid dust escape. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the technical solution of the utility model, the drawings required for use in the description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0014] Figure 1 It is a main structural schematic diagram of a specific implementation method of the utility model.
[0015] Figure 2 It is a side structural schematic diagram of a specific implementation method of the utility model.
[0016] Figure 3 It is a schematic diagram of the top structure of a specific implementation method of the utility model.
[0017] Figure 4 It is a structural schematic diagram of each dust removal and ash unloading point in a specific implementation manner of the utility model.
[0018] In the figure: 1. Support steel structure; 2. Dust collecting pipe; 3. Ash collecting silo; 4. Silo roof guardrail; 5. Silo roof dust collector; 6. Wear-resistant rubber hose; 7. Blowing pipe; 8. Nitrogen pipeline; 9. Belt conveyor; 10. Ash distribution scale; 11. Manual regulating valve; 12. First manual closed gate valve; 13. Inclined ladder; 14. Chute; 15. Star-shaped discharger; 16. Vibrating motor; 17. Silo roof manhole; 18. Ash beating pipe; 19. Material level meter; 20. Vacuum release valve; 21. Second manual closed gate valve; 22. Electric closed gate valve; 23. Dust cover; 24. Dust collector; 25. Ash discharge pipe. DETAILED DESCRIPTION
[0019] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings.
[0020] like Figures 1 to 4 The device for enclosed conveying and automatic ash distribution of coking dust ash shown in the figure comprises a supporting steel structure 1 and a collecting ash bin 3 for coking dust ash installed on the supporting steel structure 1, a vibrating motor 16 is arranged on the lower outer wall of the collecting ash bin 3, a chute 14 is connected to the bottom outlet of the collecting ash bin 3, a first manual enclosed gate valve 12 and a star-shaped discharger 15 are arranged on the chute 14, an ash distribution scale 10 is arranged just below the bottom outlet of the chute 14, and a belt conveyor 9 for conveying coking coal powder is arranged below the ash distribution scale 10;
[0021] A ash-beating pipe 18 is provided on one side of the ash-collecting bin 3, one end of the ash-beating pipe 18 is connected to the top of the ash-collecting bin 3, and the other end of the ash-beating pipe 18 is connected to a wear-resistant hose 6, and the end of the wear-resistant hose 6 is connected to a suction and discharge tank truck.
[0022] The coking dust collected from various places is stored in the collecting ash bin 3, and the coking dust falls from the chute 14. The star-shaped discharger 15 can match the running speed of the ash blending scale to make the coking dust evenly discharged, and the coking dust falls evenly on the belt conveyor 9 that transports coking coal powder. The ash blending feeding flow rate can be adjusted by controlling the frequency of the star-shaped discharger 15 and the running speed of the ash blending scale 10. The ash blending has a high degree of automation. The suction and discharge tank truck adds coking dust to the collecting ash bin 3 through the ash pipe 6 to achieve closed ash unloading and avoid dust escape.
[0023] Among them, a manual regulating valve 11 is provided at the bottom outlet of the slide pipe 14, which can assist in manually adjusting the ash unloading flow rate, adding a safety layer for ash unloading and ash blending operations.
[0024] Among them, a silo top dust collector 5 is provided at the top of the collecting ash silo 3. The silo top dust collector 5 plays the role of balancing the pressure in the collecting ash silo and removing dust when the suction and exhaust vehicle injects coking dust ash into the collecting ash silo 3 and the collecting ash silo 3 unloads ash.
[0025] Among them, a dust cover 23 is provided outside the bottom outlet of the chute 14, and a dust collecting pipe 2 is connected to the inside of the dust cover 23. The dust collecting pipe 2 is connected to the dust collector or to the dust collector 5 on the top of the silo. The coking dust ash will generate dust when it falls from the chute 14 and the ash distribution scale 10 to the belt conveyor 9 for conveying coking coal powder. The dust collector is connected to the dust generating place through the dust collecting pipe 2 to achieve the dust removal effect.
[0026] The ash-beating pipe 6 is connected to a nitrogen pipeline 8, which is connected to the nitrogen pipeline network in the plant. The nitrogen is introduced into the ash-beating pipe 6, which helps the coking dust in the tank truck to enter the ash collection bin 3 more smoothly. The ash-beating pipe 6 is provided with a second manual closed gate valve 21 and an electric closed gate valve 22.
[0027] The coking dust in the ash bin 3 is collected from various dust removal and ash unloading points. The lower end of the dust collector ash bin 24 is connected to an ash unloading pipe 25, and the end of the ash unloading pipe 25 is connected to a suction and discharge tank truck. The ash unloading pipe 25 is connected to a nitrogen pipeline 8, and the nitrogen pipeline 8 is connected to the nitrogen pipeline network in the plant. The nitrogen is introduced into the ash unloading pipe 25, which helps to suck the coking dust in the dust collector ash bin 24 into the suction and discharge tank truck. The ash unloading pipe 25 is also provided with a second manual closed gate valve 21 and an electric closed gate valve 22.
[0028] Working principle:
[0029] The coking dust collected from various places is stored in the collective ash bin and falls from the chute. The star-shaped unloader and the ash proportioning scale can be matched to make the coking dust ash discharged evenly. The coking dust falling from the ash proportioning scale can fall evenly on the belt conveyor for transporting coking coal powder. The ash proportioning flow rate can be adjusted by controlling the frequency of the star-shaped unloader and the running speed of the ash proportioning scale. The ash proportioning has a high degree of automation. The coking dust collected from various places by the suction and discharge tank truck is added to the collective ash bin through the ash beating pipe and nitrogen blowing to achieve closed ash unloading and avoid dust escape.
[0030] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.
[0031] The terms "upper", "lower", "outer side", "inner side", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish the relative relationship in position if they exist, and do not need to be qualitative. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.
[0032] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A closed conveying and automatic ash distribution device for coking dust removal, characterized in that: It comprises a supporting steel structure (1) and a collecting ash bin (3) installed on the supporting steel structure (1) for storing coking dust ash, the bottom outlet of the collecting ash bin (3) is connected to a chute (14), the chute (14) is provided with a first manual closed gate valve (12) and a star-shaped discharger (15), an ash distribution scale (10) is provided directly below the bottom outlet of the chute (14), and a belt conveyor (9) for conveying coking coal powder is provided below the ash distribution scale (10); A dust-beating pipe (18) is provided on one side of the ash-collecting bin (3), one end of the dust-beating pipe (18) is connected to the top of the ash-collecting bin (3), the other end of the dust-beating pipe (18) is connected to a wear-resistant rubber hose (6), and the end of the wear-resistant rubber hose (6) is connected to a suction and discharge tank truck.
2. A closed conveying and automatic ash distribution device for coking dust removal according to claim 1, characterized in that: A manual regulating valve (11) is provided at the bottom outlet of the slide pipe (14).
3. The device for closed conveying and automatic ash distribution of coking dust according to claim 1 is characterized in that: A silo top dust collector (5) is provided at the top of the ash collecting silo (3).
4. The device for closed conveying and automatic ash distribution of coking dust according to claim 1 is characterized in that: A dust cover (23) is provided outside the bottom outlet of the slide pipe (14), the inside of the dust cover (23) is connected to a dust collecting pipe (2), and the dust collecting pipe (2) is externally connected to a dust collector.