Sweeping operation system for coal conveyor of thermal power plant

Abstract

The utility model discloses a sweeping operation system for a coal conveyor of a thermal power plant, which relates to the technical field of thermal power generation and comprises a parking space, a plurality of vertical rods are arranged on the inner side of the parking space, a cantilever is arranged at the top end of each vertical rod, a plurality of movable lifting hooks are arranged on the cantilevers, and a high-pressure air pipe, a vacuum absorption pipe and an electric brush are respectively hung on the lifting hooks. A material collecting groove is formed in the outer side of the parking space; the parking space is used for parking a to-be-cleaned coal car compartment; the electric brush is used for cleaning the inner wall of the coal conveyor compartment to be cleaned; the high-pressure air pipe is used for blowing the inner wall of the coal conveyor compartment to be cleaned; the vacuum absorption pipe is used for absorbing dust in the coal conveyor compartment to be cleaned; and the collecting tank is used for collecting the swept fly ash. The technical problems that in the prior art, the labor cost is high, and the working efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal power generation, in particular to a coal truck cleaning system for a thermal power plant. Background Art

[0002] Coal transportation provides necessary guarantee for the operation of thermal power plants. The box cars used for coal transportation are used in conjunction with the general freight cars. This requires that the coal and coal dust adhering to the car body be thoroughly cleaned after each coal unloading to meet the requirements of the railway transportation freight car turnover. At the same time, the cleaned coal dust is recycled to control the transmission and diffusion of coal dust to the surrounding environment.

[0003] However, after years of cleaning the coal and coal dust adhering to the car body, not only is the labor cost high and the efficiency low, but it is also difficult to meet the acceptance standards for the turnover of railway freight cars. If water flushing is used, it is not easy to drain the water in the box, and the roadbed will also sink and deform due to long-term water immersion. Utility Model Content

[0004] The purpose of the utility model is to provide a coal truck cleaning system for a thermal power plant in order to solve at least one of the above technical problems.

[0005] In the first aspect, an embodiment of the utility model provides a coal truck cleaning system for a thermal power plant, comprising: a parking space, a plurality of uprights are arranged on the inner side of the parking space, a cantilever is arranged on the top of each upright, a plurality of movable hooks are arranged on the cantilever, and a high-pressure air pipe, a vacuum absorption tube and an electric brush are respectively hung on the hooks; an aggregate trough is arranged on the outer side of the parking space; the parking space is used to park the coal truck to be cleaned; the electric brush is used to clean the inner wall of the coal truck to be cleaned; the high-pressure air pipe is used to blow the inner wall of the coal truck to be cleaned; the vacuum absorption tube is used to absorb dust inside the coal truck to be cleaned; the aggregate trough is used to collect the cleaned fly ash.

[0006] Furthermore, the parking space is composed of a steel corridor and lighting facilities, and is provided with up and down steel stairs; a fly ash collection box, an air pump and a vacuum absorption machine station, a tool room and a rest room are also set inside the parking space; the fly ash collection box is used to collect fly ash; the air pump and the vacuum absorption machine station are connected to the high-pressure air pipe and the vacuum absorption pipe, and are used to provide high-pressure blowing for the high-pressure air pipe and vacuum negative pressure for the vacuum absorption pipe; the tool room is used to place cleaning tools.

[0007] Furthermore, a plane pressure bearing, a rotating operating disk, a positioning disk and a positioning block are installed in the middle section of the vertical pole; the rotating operating disk is used to control the vertical pole to rotate along the plane pressure bearing to drive the cantilever to rotate; the positioning block is used to lock the relative rotation angle between the vertical pole and the positioning disk.

[0008] Furthermore, a discharge hopper is hung on the hook; the discharge hopper is used to transport the fly ash inside the coal carriage to be cleaned to the aggregate trough.

[0009] Furthermore, the aggregate trough is a concrete structure aggregate trough, and the length of the aggregate trough is consistent with the length of the coal carriage to be cleaned.

[0010] Furthermore, the cantilever comprises an I-shaped cantilever, and the hook comprises a hand chain hoist; the hand chain hoist is arranged on the I-shaped cantilever through a roller.

[0011] The utility model provides a coal truck cleaning operation system for a thermal power plant. After each coal truck unloads, the coal and coal dust adhering to the truck compartment can be thoroughly cleaned and recovered, and the transmission and diffusion of coal dust to the surrounding environment can be controlled. The coal truck cleaning operation efficiency can be improved, the working environment can be improved, and the technical problems of high labor cost and low operation efficiency existing in the prior art can be alleviated. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 A side schematic diagram of a coal truck cleaning system for a thermal power plant provided by an embodiment of the utility model;

[0014] Figure 2 A side view of a coal carriage to be cleaned in a coal carriage cleaning system for a thermal power plant provided by an embodiment of the utility model;

[0015] Figure 3 A front view schematic diagram of a coal truck cleaning system for a thermal power plant provided by an embodiment of the utility model;

[0016] Figure 4 A front cross-sectional schematic diagram of a coal carriage to be cleaned in a coal carriage cleaning system for a thermal power plant provided by an embodiment of the utility model;

[0017] Figure 5The embodiment of the utility model provides Figure 4 A1 is an enlarged schematic diagram of the structure;

[0018] Figure 6 The embodiment of the utility model provides Figure 4 A2 is an enlarged schematic diagram of the structure.

[0019] In the figure: 1. Parking space, 2. Railway line, 3. Coal carriage to be cleaned, 4. Aggregate trough, 5. Steel structure corridor, 6. Lighting facilities, 7. Cantilever, 8. Fly ash collection box, 9. Air pump and vacuum absorption machine station, 10. Tool room, 11. Rest room, 12. Railway roadbed, 13. Up and down steel ladders, 14. Vertical poles, 15. Hooks, 16. High-pressure air pipes, 17. Electric brushes, 18. Vacuum absorption tubes, 19. Discharge hopper, 20. Plane pressure bearings, 21. Rotating operating disk, 22. Positioning block, 23. Positioning disk, 24. I-shaped cantilever, 25. Up and down hand zippers, 26. Laterally moving hand zippers, 27. Moving hooks, 28. Simple steel ladders for getting on and off the vehicle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Figure 1 It is a side view of a cleaning system for a coal truck in a thermal power plant provided according to an embodiment of the utility model. Figure 2 It is a side view of a coal carriage to be cleaned in a coal carriage cleaning system for a thermal power plant provided according to an embodiment of the utility model. Figure 3 1 is a front view of a coal truck cleaning system for a thermal power plant provided according to an embodiment of the utility model. Figure 1-3 As shown, the system includes: a parking space 1, a plurality of upright poles 14 are arranged inside the parking space 1, a cantilever 7 is arranged at the top of each upright pole 14, a plurality of movable hooks 15 are arranged on the cantilever 7, and a high-pressure air pipe 16, a vacuum absorption tube 18 and an electric brush 17 are hung on the hooks 15 respectively; a collection trough 4 is arranged outside the parking space 1.

[0022] Specifically, parking space 1 is used to park the coal carriage 3 to be cleaned; optionally, parking space 1 is a platform-type hardened floor parking space;

[0023] The electric brush 17 is used to clean the inner wall of the coal carriage 3 to be cleaned;

[0024] The high-pressure air pipe 16 is used for blowing the inner wall of the coal carriage 3 to be cleaned;

[0025] The vacuum absorption pipe 18 is used to absorb dust inside the coal carriage 3 to be cleaned;

[0026] The aggregate trough 4 is used to collect the swept fly ash.

[0027] Specifically, Figure 1 and Figure 2 As shown, the parking space 1 is arranged on the railway line 2 where the coal carriage 3 to be cleaned is parked, and the vertical pole 14 is arranged at the side of the railway line 2.

[0028] Specifically, Figure 1-3 As shown, the parking space 1 is composed of a steel corridor 5 and lighting facilities 6, and is provided with an up and down steel ladder 13; a fly ash collection box 8, an air pump and vacuum absorption station 9, a tool room 10 and a lounge 11 are also arranged inside the parking space 1.

[0029] The fly ash collecting box 8 is used for collecting fly ash; specifically, the fly ash collecting box 8 is used for collecting the fly ash absorbed by the vacuum absorption tube 18 .

[0030] The air pump and vacuum absorption station 9 is connected with the high-pressure air pipe 16 and the vacuum absorption pipe 18 to provide high-pressure blowing for the high-pressure air pipe 16 and vacuum negative pressure for the vacuum absorption pipe 18.

[0031] The tool room 10 is used to store cleaning tools; the lounge 11 is used for employees to rest.

[0032] The coal truck cleaning system for a thermal power plant provided by the embodiment of the utility model forms an independent operation system through the reasonably arranged fly ash collection box 8, air pump and vacuum absorption station 9, tool room 10 and rest room 11.

[0033] Specifically, Figure 3 As shown, a discharge hopper 19 is also hung on the hook 15 ; the discharge hopper 19 is used to transport the fly ash to be cleaned inside the coal carriage to the aggregate trough 4 .

[0034] Figure 4 The front cross-sectional view of a coal carriage to be cleaned in a coal carriage cleaning system for a thermal power plant provided in accordance with an embodiment of the utility model. Figure 4 As shown, the aggregate trough 4 is arranged at the side of the railway roadbed 12.

[0035] Preferably, if Figure 4 As shown, a simple steel ladder 28 is also provided on the side wall of the coal carriage 3 to be cleaned, so as to assist the cleaning workers to enter and exit the carriage during the cleaning operation.

[0036] Preferably, the aggregate trough 4 is a concrete structure aggregate trough, and the length of the aggregate trough 4 is consistent with the length of the coal carriage 3 to be cleaned, which is beneficial for the coal carriage 3 to be cleaned to collect the discharged loose coal during the cleaning operation.

[0037] Figure 5 According to the embodiment of the present utility model Figure 4 The structure diagram at A1 is enlarged. Figure 5 As shown, the middle section of the vertical rod 14 is installed with a plane pressure bearing 20, a rotating operating disk 21, a positioning disk 23 and a positioning block 22. The vertical rod 14 includes a two-section structure, the upper section structure and the lower section structure of the vertical rod 14 are plugged together, and the upper section structure and the lower section structure are connected through the plane pressure bearing 20, so that the upper section structure can rotate along the lower section structure through the plane pressure bearing 20.

[0038] Specifically, the rotary operating disk 21 is fixed on the outer wall of the middle section of the vertical rod 14 and is used to control the vertical rod 14 to rotate along the plane pressure bearing 20 to drive the cantilever 7 to rotate.

[0039] The positioning plate 23 is fixed on the outer wall of the upper structure of the vertical rod 14 , and a plurality of baffles are arranged on the positioning plate 23 .

[0040] The positioning stopper 22 is fixed on the slide groove on the outer wall of the lower section structure of the vertical rod 14, and the positioning stopper 22 can move up and down along the slide groove. When the positioning stopper 22 moves upward, it can be blocked between the baffles of the positioning plate 23 to lock the relative rotation angle between the vertical rod 14 and the positioning plate 23 to achieve universal positioning of the cantilever 7.

[0041] Figure 6 According to the embodiment of the present utility model Figure 4 The enlarged structural diagram at A2 is shown in the figure. Figure 6 As shown, the cantilever 7 includes an I-shaped cantilever 24, and the hook 15 includes a hand chain hoist; the hand chain hoist is arranged on the I-shaped cantilever 24 through a roller. Specifically, the hand chain hoist includes an upper and lower hand chain 25, a transverse moving hand chain 26 and a moving hook 27.

[0042] In the embodiment of the utility model, the process of cleaning the car body of the coal transport car cleaning system of the thermal power plant is as follows:

[0043] (1) Construction of parking space 1 and aggregate trough 4, acceptance of which shall comply with relevant industry specifications and standards → (2) Installation of air pump and vacuum absorption station 9, cantilever 7, upright pole 14, and lighting facilities 6 → (3) Place two coal carriages 3 to be cleaned at a time and brake and anchor them → (4) Rotate and adjust the position of cantilever 7 to fix → (5) For each coal carriage 3 to be cleaned, use the electric brush 17 suspended on the cantilever 7 to forcefully clean the inner wall of the car body → (6) Then use the suspended high-pressure air pipe 16 to repeatedly blow the inner wall → (7) Use the suspended vacuum absorption pipe 18 to absorb the dust that falls after cleaning and collect it in the fly ash collection box 8 → (8) Finally, the coarse loose coal that cannot be absorbed is manually loaded into the discharge hopper 19 and transferred to the outer aggregate trough 4 → (9) The cycle continues until the next round of two coal carriages 3 to be cleaned enter for cleaning.

[0044] The utility model provides a coal truck cleaning system for a thermal power plant. After each unloading of the coal truck, the coal and coal dust adhered to the truck body can be thoroughly cleaned, thereby meeting the acceptance standards for railway freight truck turnover. At the same time, the cleaned coal dust can be recycled, thereby controlling the transmission and diffusion of coal dust to the surrounding environment, greatly improving the cleaning efficiency of the coal truck, improving the working environment, and realizing civilized production.

[0045] From the above description, it can be seen that the embodiment of the utility model provides a coal truck cleaning system for a thermal power plant, which has the following beneficial effects:

[0046] (1) The parking space consists of a steel inspection corridor and lighting facilities, with up and down steel ladders. Through the reasonable arrangement of fly ash collection boxes, air pumps and vacuum absorption stations, tool rooms and workers' lounges, an independent operating system can be formed.

[0047] (2) A cantilever with multiple hooks and a rotatable vertical pole on the inner side of the parking space can be used to hang high-pressure gas pipes and vacuum absorption tubes, as well as to lift the discharge hopper and suspend the electric brush for cleaning operations; a concrete structure aggregate trough that meets the length of a double car box is provided on the outer side of the parking space, which is convenient for discharging materials when cleaning the car box; and a plane bearing is installed inside the middle section of the cantilever vertical pole, and a rotating operating disk, a positioning disk and a positioning block are provided, which can realize the universal positioning of the cantilever.

[0048] (3) After each unloading of the coal car, the coal dust adhering to the car body can be thoroughly cleaned to meet the railway transportation freight car body turnover and meet the acceptance standards for railway transportation freight car body turnover; at the same time, the cleaned coal dust can be recycled to control the transmission and diffusion of coal dust to the surrounding environment.

[0049] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0050] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A coal truck cleaning system for a thermal power plant, characterized in that: include: The parking space comprises a plurality of vertical poles arranged inside the parking space, a cantilever is arranged at the top of each vertical pole, a plurality of movable hooks are arranged on the cantilever, and a high-pressure gas pipe, a vacuum absorption pipe and an electric brush are hung on the hooks respectively; a collecting trough is arranged outside the parking space; The parking space is used to park the coal carriage to be cleaned; The electric brush is used to clean the inner wall of the coal carriage to be cleaned; The high-pressure air pipe is used to perform a blowing operation on the inner wall of the coal carriage to be cleaned; The vacuum absorption pipe is used to absorb dust inside the coal carriage to be cleaned; The aggregate trough is used to collect the swept fly ash.

2. The coal truck cleaning system for a thermal power plant according to claim 1, characterized in that: The parking space is composed of a steel corridor and lighting facilities, and is equipped with an up and down steel ladder; a fly ash collection box, an air pump and a vacuum absorption machine station, a tool room and a rest room are also arranged inside the parking space; The fly ash collection box is used to collect fly ash; The air pump and vacuum absorption station are in communication with the high-pressure air pipe and the vacuum absorption pipe, and are used to provide high-pressure blowing for the high-pressure air pipe and vacuum negative pressure for the vacuum absorption pipe; The tool room is used to store cleaning tools.

3. The coal truck cleaning system for a thermal power plant according to claim 1, characterized in that: The middle section of the vertical pole is equipped with a plane pressure bearing, a rotating operating disk, a positioning disk and a positioning block; The rotating operating disk is used to control the vertical rod to rotate along the plane pressure bearing to drive the cantilever to rotate; The positioning stopper is used to lock the relative rotation angle between the vertical rod and the positioning plate.

4. The coal truck cleaning system for a thermal power plant according to claim 1, characterized in that: A discharge hopper is also hung on the hook; the discharge hopper is used to transport the fly ash inside the coal transport carriage to be cleaned into the aggregate trough.

5. The coal truck cleaning system for a thermal power plant according to claim 1, characterized in that: The aggregate trough is a concrete structure aggregate trough, and the length of the aggregate trough is consistent with the length of the coal carriage to be cleaned.

6. The coal truck cleaning system for a thermal power plant according to claim 1, characterized in that: The cantilever comprises an I-shaped cantilever, and the hook comprises a hand chain hoist; the hand chain hoist is arranged on the I-shaped cantilever through a roller.

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