Coal cinder bin of thermal power plant

Abstract

The utility model provides a coal cinder bin of a thermal power plant. The coal cinder bin comprises a main body, a cinder discharging door, a first conveying belt, a second conveying belt, a first infrared distance measuring unit and a second infrared distance measuring unit, the interior of the main body is hollow to form a coal cinder and coal ash accommodating cavity; a slag inlet is formed in the top of the main body and is close to the first inner side wall; a slag discharging opening is formed in the bottom of the main body, and a slag discharging door is installed at the slag discharging opening and rotationally connected with the main body; the first conveying belt is obliquely installed on the second inner side wall, the second conveying belt is obliquely installed on the fourth inner side wall of the main body, and the inclination angle of the first conveying belt is smaller than that of the second conveying belt; the first infrared distance measuring unit is arranged at the top of the first inner side wall, and the second infrared distance measuring unit is arranged at the bottom of the second inner side wall of the main body. The coal cinder and coal ash collecting device has the technical effects that the design is reasonable, and the collecting efficiency of coal cinder and coal ash in a thermal power plant can be obviously improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal power plant equipment, and in particular relates to a coal slag bin for a thermal power plant. Background Art

[0002] At present, when collecting coal slag and coal ash in thermal power plants, supervisors must check the camera to determine whether the truck is full. After the truck is full, the supervisor will contact the driver by phone to drive the truck to directly transport the slag to the slag storage. In addition, during the loading process, since coal slag and coal ash have a certain humidity, the coal slag and coal ash accumulate in the coal slag bin of the truck near the slag discharge port, and the coal slag and coal ash in the coal slag bin need to be manually leveled to increase the loading capacity of the truck's coal slag bin.

[0003] Therefore, the structural design of the coal slag bin of the current truck is unreasonable, which seriously restricts the collection efficiency of coal slag and coal ash in the thermal power plant. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and provides a new technical solution for a coal slag bin in a thermal power plant.

[0005] According to one aspect of the present application, a coal slag bin for a thermal power plant is provided, comprising:

[0006] A main body and a slag discharge door, wherein the interior of the main body is hollow to form a accommodating chamber for coal slag and coal ash, and the accommodating chamber has a first inner side wall, a second inner side wall, a third inner side wall and a fourth inner side wall connected to each other, and the first inner side wall is opposite to the second inner side wall, and the third inner side wall is opposite to the fourth inner side wall; a slag inlet is provided at the top of the main body, and the slag inlet is close to the first inner side wall; a slag discharge port is provided at the bottom of the main body, and the slag discharge door is installed at the slag discharge port and is rotatably connected to the main body to close or open the slag discharge port;

[0007] A first conveyor belt and a second conveyor belt, the first conveyor belt is obliquely installed on the third inner side wall, the second conveyor belt is obliquely installed on the fourth inner side wall of the main body, and the inclination angle of the first conveyor belt is smaller than the inclination angle of the second conveyor belt; the second conveyor belt is located below the first conveyor belt, and the movement directions of the first conveyor belt and the second conveyor belt are both from the first inner side wall to the second inner side wall, and the coal slag and coal ash entering the accommodating chamber from the slag inlet pass through the first conveyor belt and the second conveyor belt in turn from the slag inlet of the main body to the direction away from the slag inlet;

[0008] A first infrared ranging unit and a second infrared ranging unit, wherein the first infrared ranging unit is arranged at the top of the first inner wall, and the second infrared ranging unit is arranged at the bottom of the second inner wall of the main body, and the first infrared ranging unit and the second infrared ranging unit are both used to measure the accumulation height of coal cinders and coal ash in the accommodating chamber.

[0009] Optionally, the coal slag bin of the thermal power plant further includes a slag dropping door, which is rotatably connected to the main body to close or open the slag inlet.

[0010] Optionally, the slag dropping door is rotatably connected to the main body via a first rotating shaft.

[0011] Optionally, the slag unloading door is an outward-opening door, and the slag unloading door includes a first door leaf and a second door leaf, the first door leaf and the second door leaf are respectively rotatably connected to the main body through a second rotating shaft, and the opening and closing angles of the first door leaf and the second door leaf are controlled by the rotation angle of the second rotating shaft.

[0012] Optionally, the inclination angle of the first conveyor belt is 30°, and the inclination angle of the second conveyor belt is 40°.

[0013] Optionally, the coal ash bin of a thermal power plant further comprises a first hydraulic rod and a second hydraulic rod;

[0014] The first hydraulic rod arranged in the horizontal direction is fixed to the outer side of the main body, and two ends of the first hydraulic rod are respectively telescopically connected to two second hydraulic rods, and the second hydraulic rods are arranged in the vertical direction;

[0015] The second hydraulic rod is used to adjust the height of the main body, and the main body is supported by the cooperation of the first hydraulic rod and the second hydraulic rod.

[0016] Optionally, first hydraulic rods are respectively disposed on the outer sides of the first inner side wall and the second inner side wall of the main body;

[0017] The second hydraulic rod is located outside the third inner side wall or the fourth inner side wall.

[0018] Optionally, the coal ash bin of the thermal power plant further includes a controller, and the first infrared ranging unit and the second infrared ranging unit are both connected to the controller;

[0019] When the accumulation height of the coal slag and coal ash in the containing chamber collected by the first infrared ranging unit reaches a first preset value, the controller controls the slag inlet to stop feeding slag;

[0020] When the accumulation height of the coal slag and coal ash in the containing chamber collected by the second infrared ranging unit reaches a second preset value, the controller controls the slag discharge port to stop slag discharge.

[0021] Optionally, both the first rotating shaft and the second rotating shaft are connected to an output shaft of a motor, and a rotation angle of the first rotating shaft or the second rotating shaft is controlled by the motor.

[0022] Optionally, the motor is connected to the controller, and the working state of the motor is controlled by the controller.

[0023] A technical effect of this application is:

[0024] In an embodiment of the present application, the first infrared ranging unit and the second infrared ranging unit are both used to measure the accumulation height of coal slag and coal ash in the accommodating chamber. For example, when the first infrared ranging unit detects that the accumulation height of coal slag and coal ash in the accommodating chamber reaches a first threshold, the first infrared ranging unit issues an alarm so that the staff can promptly understand that the car has been filled with coal slag and coal ash; for another example, when the second infrared ranging unit detects that the accumulation height of coal slag and coal ash in the accommodating chamber reaches a second threshold, the second infrared ranging unit issues an alarm so that the staff can promptly understand that the coal slag and coal ash have been unloaded, thereby helping the staff to quickly understand the loading situation and helping to improve the collection efficiency of coal slag and coal ash in thermal power plants.

[0025] In addition, the coal slag and coal ash entering the containing chamber from the slag inlet pass through the slag inlet of the first conveyor belt and the second conveyor belt main body in turn and move toward the direction away from the slag inlet, thereby helping to evenly spread the coal slag and coal ash in the containing chamber, significantly improving the loading efficiency of the coal slag and coal ash, and helping to further improve the collection efficiency of coal slag and coal ash in thermal power plants. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A top view of a coal slag bin of a thermal power plant according to an embodiment of the utility model;

[0027] Figure 2 This is a structural schematic diagram of a coal slag bin in a thermal power plant according to an embodiment of the utility model;

[0028] Figure 3 The utility model is a schematic diagram of a first hydraulic rod and a second hydraulic rod of a coal slag bin of a thermal power plant according to an embodiment of the utility model.

[0029] In the figure: 1. main body; 2. slag discharge door; 31. first conveyor belt; 32. second conveyor belt; 41. first infrared ranging unit; 42. second infrared ranging unit; 5. slag discharge door; 51. first door leaf; 52. second door leaf; 61. first hydraulic rod; 62. second hydraulic rod. DETAILED DESCRIPTION

[0030] Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangement of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application.

[0031] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and should not be construed as limitations on the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without making creative work are within the scope of protection of the present application.

[0032] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this application, unless otherwise specified, "plurality" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0035] According to one aspect of the present application, see Figures 1 to 3, provides a coal slag bin for a thermal power plant, which is used to collect and transport coal slag and coal ash in a thermal power plant. Compared with the coal slag and coal ash collection and treatment methods in the prior art, the coal slag bin for a thermal power plant is cleaner, easier to manage and monitor, more energy-efficient and reduces emissions, and can reduce labor and transportation costs.

[0036] Specifically, the coal slag bin of the thermal power plant includes:

[0037] A main body 1 and a slag discharge door 5, wherein the interior of the main body 1 is hollow to form a accommodating chamber for coal slag and coal ash, wherein the accommodating chamber has a first inner side wall, a second inner side wall, a third inner side wall and a fourth inner side wall connected to each other, wherein the first inner side wall is opposite to the second inner side wall, and the third inner side wall is opposite to the fourth inner side wall; a slag inlet is provided at the top of the main body 1, and the slag inlet is close to the first inner side wall; a slag discharge port is provided at the bottom of the main body 1, and the slag discharge door 5 is installed at the slag discharge port and is rotatably connected to the main body 1 to close or open the slag discharge port;

[0038] A first conveyor belt 31 and a second conveyor belt 32, the first conveyor belt 31 is obliquely installed on the third inner side wall, the second conveyor belt 32 is obliquely installed on the fourth inner side wall of the main body 1, and the inclination angle of the first conveyor belt 31 is smaller than the inclination angle of the second conveyor belt 32; the second conveyor belt 32 is located below the first conveyor belt 31, and the movement directions of the first conveyor belt 31 and the second conveyor belt 32 are both from the first inner side wall to the second inner side wall, and the coal slag and coal ash entering the accommodating chamber from the slag inlet pass through the first conveyor belt 31 and the second conveyor belt 32 in sequence and move from the slag inlet of the main body 1 to the direction away from the slag inlet;

[0039] A first infrared ranging unit 41 and a second infrared ranging unit 42, wherein the first infrared ranging unit 41 is arranged at the top of the first inner wall, and the second infrared ranging unit 42 is arranged at the bottom of the second inner wall of the main body 1, and the first infrared ranging unit and the second infrared ranging unit 42 are both used to measure the accumulation height of coal cinders and coal ash in the accommodating chamber.

[0040] In the embodiment of the present application, the first infrared ranging unit 41 and the second infrared ranging unit 42 are both used to measure the accumulation height of coal slag and coal ash in the accommodating chamber. For example, when the first infrared ranging unit 41 detects that the accumulation height of coal slag and coal ash in the accommodating chamber reaches a first threshold, the first infrared ranging unit 41 issues an alarm so that the staff can promptly understand that the car is full of coal slag and coal ash; for another example, when the second infrared ranging unit 42 detects that the accumulation height of coal slag and coal ash in the accommodating chamber reaches a second threshold, the second infrared ranging unit 42 issues an alarm so that the staff can promptly understand that the coal slag and coal ash are unloaded, thereby helping the staff to quickly understand the loading situation and helping to improve the collection efficiency of coal slag and coal ash in thermal power plants.

[0041] In addition, the coal slag and coal ash entering the containing chamber from the slag inlet pass through the first conveyor belt 31 and the second conveyor belt 32 in sequence and move from the slag inlet of the main body 1 toward the direction away from the slag inlet, thereby helping to evenly lay the coal slag and coal ash in the containing chamber, significantly improving the loading efficiency of the coal slag and coal ash, and helping to further improve the collection efficiency of coal slag and coal ash in thermal power plants.

[0042] In a specific implementation, the first infrared ranging unit 41 and the second infrared ranging unit 42 both use an E18-D80NK infrared ranging module, which is used to collect and detect the amount of coal cinder and coal ash in the pulverized coal bin at the transport end, and collect relevant data.

[0043] Optionally, the coal slag bin of the thermal power plant further comprises a slag dropping door 2, and the slag dropping door 2 is rotatably connected to the main body 1 to close or open the slag inlet.

[0044] In the above embodiment, the slag dropping door 2 can effectively control the opening or closing of the slag inlet.

[0045] Optionally, the slag door 2 is rotatably connected to the main body 1 via a first rotating shaft, which makes the connection between the slag door 2 and the main body 1 relatively simple.

[0046] Optionally, the slag unloading door 5 is an outward-opening door, and the slag unloading door 5 includes a first door leaf 51 and a second door leaf 52, the first door leaf 51 and the second door leaf 52 are respectively rotatably connected to the main body 1 through a second rotating shaft, and the opening and closing angles of the first door leaf 51 and the second door leaf 52 are controlled by the rotation angle of the second rotating shaft.

[0047] In the above embodiment, the design of the slag discharge door 5 is relatively reasonable, which facilitates the coal discharge operation of the pulverized coal bin.

[0048] Optionally, the first conveyor belt 31 has an inclination angle of 30°, and the second conveyor belt 32 has an inclination angle of 40°. This enables the first conveyor belt 31 and the second conveyor belt 32 to effectively transport the coal slag and coal ash, better avoids the accumulation of coal slag and coal ash in a certain part of the storage bin, and helps to ensure the flatness of the coal slag and coal ash in the storage bin.

[0049] Optionally, the coal ash bin of the thermal power plant further includes a first hydraulic rod 61 and a second hydraulic rod 62;

[0050] The first hydraulic rod 61 arranged in the horizontal direction is fixed to the outer side of the main body 1, and two ends of the first hydraulic rod 61 are respectively telescopically connected to two second hydraulic rods 62, and the second hydraulic rods 62 are arranged in the vertical direction;

[0051] The second hydraulic rod 62 is used to adjust the height of the main body 1 , and the main body 1 is supported by the cooperation of the first hydraulic rod 61 and the second hydraulic rod 62 .

[0052] In the above embodiment, the first hydraulic rod 61 and the second hydraulic rod 62 help to quickly support the pulverized coal bin, facilitate the truck to simply and quickly replace the pulverized coal bin, help to achieve rapid transfer of the truck, and ensure the collection efficiency of coal cinders and coal ash.

[0053] Optionally, first hydraulic rods 61 are respectively disposed on the outer sides of the first inner side wall and the second inner side wall of the main body 1;

[0054] The second hydraulic rod 62 is located outside the third inner side wall or the fourth inner side wall.

[0055] In the above embodiment, the pulverized coal bin can be supported very stably by the first hydraulic rod 61 and the second hydraulic rod 62, thereby ensuring the safety of the coal unloading process.

[0056] Optionally, the coal ash bin of the thermal power plant further includes a controller, and the first infrared distance measuring unit 41 and the second infrared distance measuring unit 42 are both connected to the controller;

[0057] When the accumulation height of the coal slag and coal ash in the containing chamber collected by the first infrared ranging unit 41 reaches a first preset value, the controller controls the slag inlet to stop feeding slag;

[0058] When the accumulation height of the coal slag and coal ash in the containing chamber collected by the second infrared ranging unit 42 reaches a second preset value, the controller controls the slag discharge port to stop slag discharge.

[0059] In the above embodiment, the first infrared ranging unit 41 and the second infrared ranging unit 42 can quickly and easily check the accumulation height of coal slag and coal ash in the containing chamber, thereby helping to quickly control the slag inlet to stop feeding slag and the slag unloading port to stop unloading slag, which is easy to operate.

[0060] In a specific implementation, the controller uses an STM32H743 single-chip microcomputer to calculate and process the data collected by each module and send it to the main control end through a communication base station, while receiving action signals transmitted by the main control end in real time and taking corresponding actions.

[0061] For example, the main control end uses the DCS terminal computer of the thermal power plant, in which the LORA communication software and the DCS control monitoring screen are set. The mobile control end action logic is set in the DCS main control system, and the signal data is sent to the LORA communication software, and then the LORA communication software is sent to the control end of the pulverized coal bunker via the communication base station to realize remote control of the pulverized coal bunker control end equipment action. At the same time, the data signal uploaded by the pulverized coal bunker control end via the communication base station is sent to the DCS system through the LORA communication software to realize remote real-time monitoring of the mobile control end data.

[0062] Optionally, both the first rotating shaft and the second rotating shaft are connected to an output shaft of a motor, and a rotation angle of the first rotating shaft or the second rotating shaft is controlled by the motor.

[0063] In a specific implementation, the motor is a BLDC motor and is controlled by a three-phase BLDC driver, which serves as a power source for the operation of the slag bin and controls the operation of its various doors (eg, the slag dropping door 2 and the slag unloading door 5).

[0064] Optionally, the motor is connected to the controller, and the working state of the motor is controlled by the controller.

[0065] In a specific implementation, the pulverized coal bin control end has six action modes, namely "empty box mode", "slag receiving mode", "stop receiving mode", "transportation mode", "slag dumping mode" and "stop dumping mode".

[0066] Exemplary, empty bin mode: This mode is applicable to the empty coal bin state. At this time, all doors of the coal bin (such as the slag door 2 and the slag discharge door 5) remain closed, and the first hydraulic rod 61 and the second hydraulic rod 62 are in a non-working state.

[0067] Slag receiving mode: This mode is applicable to the state where the pulverized coal bin is ready to receive and collect slag and coal ash. When the pulverized coal bin is located below the slag discharge port of the slag room, the slag discharge door 2 is opened; the first conveyor belt 31 and the second conveyor belt 32 start to operate; the slag discharge door 5 remains closed; the first hydraulic rod 61 and the second hydraulic rod 62 do not move; the first infrared ranging module starts to continuously detect data and uploads the data to the main control end through the controller of the pulverized coal bin.

[0068] Stop mode: This mode is applicable when the pulverized coal bin detects that the received coal slag and coal ash have accumulated to a specified height (i.e., the first preset value). When the first infrared ranging module detects that the coal slag has accumulated to a specified height, an alarm is triggered: at this time, the slag door 2 is closed, and the first conveyor belt 31 and the second conveyor belt 32 stop running.

[0069] Transport mode: This mode is applicable to the state where the pulverized coal bin is full and ready to be transported to the coal slag storage. At this time, all doors of the pulverized coal bin (such as the slag door 2 and the slag discharge door 5) remain closed, and the first hydraulic rod 61 and the second hydraulic rod 62 are in a non-working state.

[0070] Slag discharge mode: This mode is applicable to the state where the pulverized coal bin has reached the designated position of the slag storage warehouse and is ready to unload the slag in the pulverized coal bin. At this time, the two ends of the first hydraulic rod 61 begin to extend. After the two ends of the first hydraulic rod 61 have completed the action, the second hydraulic rod 62 begins to extend. When the second hydraulic rod 62 has completed the action, the slag discharge door 5 and the slag drop door 2 are both opened, and the first conveyor belt 31 and the second conveyor belt 32 start to operate at the same time, and the infrared ranging module below begins to continuously detect data, and uploads the data to the main control end through the controller of the pulverized coal bin.

[0071] Stop mode: This mode is applicable to the state where the pulverized coal bin detects that the coal slag in the pulverized coal bin has been emptied. When the second infrared ranging module detects that the coal slag has been emptied (that is, the accumulation of coal slag and coal ash in the pulverized coal bin reaches the second preset value), the slag discharge door 5 and the slag drop door 2 are closed, and the first conveyor belt 31 and the second conveyor belt 32 stop running. When the slag discharge door 5 is closed, the first hydraulic rod 61 is first retracted, and when the first hydraulic rod 61 is completely retracted, the second hydraulic rod 62 begins to retract. After the above actions are completed, the pulverized coal bin switches to the "empty box mode".

[0072] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A coal slag bunker for a thermal power plant, characterized in that: include: A main body and a slag discharge door, wherein the interior of the main body is hollow to form a accommodating chamber for coal slag and coal ash, and the accommodating chamber has a first inner side wall, a second inner side wall, a third inner side wall and a fourth inner side wall connected to each other, and the first inner side wall is opposite to the second inner side wall, and the third inner side wall is opposite to the fourth inner side wall; a slag inlet is provided at the top of the main body, and the slag inlet is close to the first inner side wall; a slag discharge port is provided at the bottom of the main body, and the slag discharge door is installed at the slag discharge port and is rotatably connected to the main body to close or open the slag discharge port; A first conveyor belt and a second conveyor belt, the first conveyor belt is obliquely installed on the third inner side wall, the second conveyor belt is obliquely installed on the fourth inner side wall of the main body, and the inclination angle of the first conveyor belt is smaller than the inclination angle of the second conveyor belt; the second conveyor belt is located below the first conveyor belt, and the movement directions of the first conveyor belt and the second conveyor belt are both from the first inner side wall to the second inner side wall, and the coal slag and coal ash entering the accommodating chamber from the slag inlet pass through the first conveyor belt and the second conveyor belt in turn from the slag inlet of the main body to the direction away from the slag inlet; A first infrared ranging unit and a second infrared ranging unit, wherein the first infrared ranging unit is arranged at the top of the first inner wall, and the second infrared ranging unit is arranged at the bottom of the second inner wall of the main body, and the first infrared ranging unit and the second infrared ranging unit are both used to measure the accumulation height of coal cinders and coal ash in the accommodating chamber.

2. The coal slag bin of a thermal power plant according to claim 1, characterized in that: It also includes a slag dropping door, which is rotatably connected to the main body to close or open the slag inlet.

3. The coal slag bin of a thermal power plant according to claim 2, characterized in that: The slag dropping door is rotatably connected to the main body via a first rotating shaft.

4. The coal slag bin of a thermal power plant according to claim 3, characterized in that: The slag unloading door is an outward-opening door, and the slag unloading door includes a first door leaf and a second door leaf. The first door leaf and the second door leaf are respectively rotatably connected to the main body through a second rotating shaft, and the opening and closing angles of the first door leaf and the second door leaf are controlled by the rotation angle of the second rotating shaft.

5. The coal slag bin of a thermal power plant according to claim 1, characterized in that: The inclination angle of the first conveyor belt is 30°, and the inclination angle of the second conveyor belt is 40°.

6. The coal slag bin of a thermal power plant according to claim 1, characterized in that: Also included is a first hydraulic rod and a second hydraulic rod; The first hydraulic rod arranged in the horizontal direction is fixed to the outer side of the main body, and two ends of the first hydraulic rod are respectively telescopically connected to two second hydraulic rods, and the second hydraulic rods are arranged in the vertical direction; The second hydraulic rod is used to adjust the height of the main body, and the main body is supported by the cooperation of the first hydraulic rod and the second hydraulic rod.

7. The coal slag bin of a thermal power plant according to claim 6, characterized in that: A first hydraulic rod is respectively disposed on the outer sides of the first inner side wall and the second inner side wall of the main body; The second hydraulic rod is located outside the third inner side wall or the fourth inner side wall.

8. The coal slag bin of a thermal power plant according to claim 4, characterized in that: It also includes a controller, and the first infrared distance measuring unit and the second infrared distance measuring unit are both connected to the controller; When the accumulation height of the coal slag and coal ash in the containing chamber collected by the first infrared ranging unit reaches a first preset value, the controller controls the slag inlet to stop feeding slag; When the accumulation height of the coal slag and coal ash in the containing chamber collected by the second infrared ranging unit reaches a second preset value, the controller controls the slag discharge port to stop slag discharge.

9. The coal slag bin of a thermal power plant according to claim 8, characterized in that: The first rotating shaft and the second rotating shaft are both connected to the output shaft of the motor, and the rotation angle of the first rotating shaft or the second rotating shaft is controlled by the motor.

10. The coal slag bin of a thermal power plant according to claim 9, characterized in that: The motor is connected to the controller, and the working state of the motor is controlled by the controller.

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