Coal mine coal transportation and cooling mechanism

Abstract

The application discloses a coal mine coal conveying and cooling mechanism and relates to the technical field of coal mining. The cooling mechanism comprises a conveying belt, baffle plates installed on both sides of the conveying belt, and a cooling assembly installed on the top of the conveying belt. The cooling assembly comprises a connecting plate, and baffle plates are installed on both sides of the connecting plate. The connecting plate is connected with the baffle plates through connecting rods on the side walls of the baffle plates. The side walls of the baffle plates are provided with L-shaped hook plates. The cooling assembly is connected with the baffle plates through the hook plates. A plurality of nozzles are installed on the side walls of the baffle plates. The coal mine coal conveying and cooling mechanism effectively solves the technical problem that the existing coal mine coal conveying and cooling mechanism is complicated to use, realizes quick installation, and does not need to adjust the coal production line.

Description

Technical Field

[0001] This invention relates to the field of coal mining technology, and in particular to a coal transportation cooling mechanism. Background Technology

[0002] Coal is the most important solid fuel and is a type of combustible organic rock. Coal is formed by the accumulation of lush plants that grow in a certain geological era in a suitable geological environment, gradually forming thick layers and being buried at the bottom of water or in silt. It is formed through natural coalification over a long geological period. When coal is mined, it is obtained by crushing, which releases a lot of heat. This results in the coal being too hot when it is first mined, which is not conducive to subsequent processing. Therefore, cooling devices are needed to cool the coal.

[0003] Currently, existing coal transportation cooling mechanisms (patent application number: CN202111560308.8) include a housing, with a feed inlet fixedly installed on the upper part of the housing. A crushing mechanism is installed inside the feed inlet. A rotating shaft is vertically rotatably installed on the top surface of the housing. A power mechanism is installed on the upper outer wall of the rotating shaft. The power mechanism includes a first pulley fixedly sleeved on the outer wall of the rotating shaft. A second motor with an output shaft rotating through the housing is vertically fixedly installed on the upper end face of the upper wall of the housing. The output shaft of the second motor rotates through a protective plate. The protective plate is used to protect the first belt and other components, preventing falling coal fragments from continuously hitting the first belt, and also serves to disperse the coal fragments. The outer wall of the shaft is fixedly fitted with a second pulley, which is connected to the first pulley via a first belt. Both the first and second pulleys are located below the protective plate. Multiple stirring rods are horizontally fixedly installed on the lower outer wall of the shaft. These stirring rods promote the mixing of coal fragments and water, accelerate the water cooling of the coal fragments, and also accelerate the dissolution of mud and water, thus improving the efficiency of coal cleaning. An inclined protective plate is horizontally fixedly connected to the inner wall of the shell via a horizontally fixed connecting rod. The protective plate has an L-shaped cross-section, and the shaft rotates through it. A discharge pipe is vertically fixedly installed at the lower part of the shell, with a valve at the upper end and an inclined guide rail at the lower end. A slanted transport pipe houses a transport mechanism. A water outlet is located at the bottom of the lower end of the pipe, allowing water to exit from the bottom and material to exit from the top, thus separating the crushed material from the water and ensuring the device's functionality. A base frame is horizontally mounted below the higher end of the transport pipe. Conveyor rollers are rotatably connected to both ends of the upper surface of the base frame via vertically fixed brackets. The two conveyor rollers are connected by a conveyor belt. A drive mechanism is mounted on the shaft of one of the conveyor rollers. The drive mechanism includes a driven pulley fixedly sleeved on the outer wall of the conveyor roller shaft. A fourth motor is horizontally fixedly mounted on the upper surface of the base frame, and a drive pulley is fixedly sleeved on the outer wall of the output shaft of the fourth motor. The driving pulley is connected to the driven pulley via a second belt. A fixed frame is installed above the conveyor belt, with its lower end fixedly connected to the upper surface of the base frame. A through slot is opened on the upper surface of the fixed frame, and a vortex fan is rotatably installed in the slot. A support plate that slides and engages with the lower end of the upper layer of the conveyor belt is horizontally fixedly installed on the inner side wall of the fixed frame. A baffle plate that slides and engages with the outer side wall of the conveyor belt is vertically fixedly installed on the upper surface of the support plate. The baffle plate is used to block the coal mine fragments and prevent them from falling from both sides of the conveyor belt. The lower surface of the shell and the conveying pipe are both vertically fixedly installed with base columns. The lower part of the shell is an inverted frustum shape. The shape design of the lower part of the shell makes it easier for the fragments to be discharged.

[0004] However, during the implementation of the above technical solution, at least the following technical problems were discovered:

[0005] 1. Cumbersome implementation: Existing coal cooling mechanisms in coal mines require a certain amount of space and a lot of time and effort to install, which affects the ease of use of the equipment. In addition, it is necessary to change the original coal mine processing sequence, so the original production line needs to be adjusted, which makes it cumbersome to use. Furthermore, it increases the coal processing time and affects the efficiency of coal processing.

[0006] 2. Waste of Water Resources: Existing coal cooling mechanisms in coal mines use an inclined conveyor pipe to direct water and coal in opposite directions. However, due to the downward inclination of the pipe, water flows downwards under gravity (water flows continuously). This necessitates that the water intake inside the casing must exceed the drainage capacity of the conveyor pipe; otherwise, the water inside the casing cannot fully contact the coal, preventing the removal of surface sediment. Furthermore, the crushed coal easily clogs the gap between the feeding screw and the conveyor pipe, increasing the resistance to screw rotation and affecting the lifespan of the device.

[0007] 3. Inability to sustain cooling: Existing coal cooling systems in coal mines only immerse the coal in water once. However, due to the high internal temperature of coal during mining, a single short-term immersion is insufficient to lower the temperature, necessitating further cooling or processing. This severely impacts the system's effectiveness. Furthermore, while prolonged immersion in water can achieve cooling, the time required affects timely coal transport. Therefore, we propose a new coal cooling system for coal mines. Summary of the Invention

[0008] (a) Technical problems to be solved

[0009] To address the shortcomings of existing technologies, this invention provides a coal transportation cooling mechanism that solves the technical problems of existing coal transportation cooling machines, such as wasting water resources, cumbersome implementation, and inability to provide continuous cooling.

[0010] (II) Technical Solution

[0011] To achieve the above objectives, the present invention provides the following technical solution:

[0012] A coal cooling mechanism for coal transportation in a coal mine includes a conveyor belt for transporting coal and a cooling component installed on the conveyor belt, wherein the cooling component is used to cool the coal transported by the conveyor belt.

[0013] Conveyor belts are used to transport crushed coal and are part of the original coal mining production line. Baffles are installed on both sides of the belt to limit the movement of the coal and prevent it from falling off the conveyor belt.

[0014] Cooling components, installed on top of the conveyor belt, are used to cool the coal being transported by the conveyor belt.

[0015] The cooling component includes a connecting plate, with side plates installed on both sides of the connecting plate. The two side plates are respectively connected to the baffles on both sides of the conveyor belt. The connecting rods on the side walls of the side plates are inserted into the connecting plate. Figure 2 As shown, the connecting rod is inserted into the inside of the connecting plate, thereby connecting the two side plates together to form a whole. Simultaneously, the spacing between the two side plates can be adaptively adjusted according to the width of the conveyor belt, improving the applicability of the device. Furthermore, the side walls of the side plates are equipped with L-shaped hook plates. The connection between the hook plates and the side plates forms a U-shaped structure. The cooling component is connected to the baffle through the hook plates, allowing the baffle to engage in the gap formed between the hook plates and the side plates, i.e., the baffle engages in the opening of the U-shaped structure, forming a... Figure 4 The shape shown;

[0016] Multiple nozzles are installed on the side walls of the side plate, which spray water or foam onto the surface of the coal to cool it down.

[0017] Preferably, the side wall of the side plate is equipped with a connector (for easy connection to a water pump or foam generator), and the connector is connected to the nozzle through a pipe, so that water (foam) can enter the nozzle along the pipe and then be sprayed out by the nozzle.

[0018] The nozzle's water outlet is tilted towards the direction of the conveyor belt, which facilitates the spraying of water (foam) onto the surface of the coal, allowing the water (foam) to quickly cover the coal surface.

[0019] Preferably, the connecting rod and the inner wall of the connecting plate are connected by a spring, and the spring is always in a contracted state, thereby pulling the connecting rod so that the baffle connected to the connecting rod moves together towards the center of the connecting plate, thereby maintaining the stability of the connection between the baffle and the connecting plate and facilitating the adjustment of the baffle;

[0020] The width of the connecting plate is more than twice the length of the connecting rod, so even when the connecting rods on both sides of the connecting plate are fully inserted into the connecting plate, there is still space reserved for the spring.

[0021] Preferably, the number of the cooling components is two groups. The nozzles on one group of the cooling components are connected to the water pump, and the nozzles on the other group of the cooling components are connected to the foam generator. By spraying foam outside the coal, the foam with moisture gradually contacts the high-temperature coal, so as to continuously humidify the surface of the coal. Secondly, since the foams are connected to each other, when the foam on the side close to the coal is punctured by the high temperature, the outer foam moves towards the coal under the action of gravity, so as to continuously wet the surface of the coal, making the coal maintain the state of having moisture on the surface for a long time. Thus, the high temperature on the surface of the coal is absorbed, improving the cooling effect and enabling the coal not to stay at each position for a long time without stopping production;

[0022] Among them, both the water pump and the foam generator are installed at the bottom of the conveyor belt, and both the water pump and the foam generator are connected to the water tank at the bottom of the conveyor belt through pipelines. When installing the water pump and the foam generator, they can be directly placed under the conveyor belt, and only the pipelines need to be connected between the cooling components and the water pump, and between the cooling components and the foam generator, as Figure 1 shown, so as to reduce the installation time of the device.

[0023] Preferably, a support is erected above the baffle, and a flipping component is installed at the bottom of the support. The flipping component corresponds to the conveyor belt up and down. When the coal passes under the flipping component, the coal is flipped by the flipping component so that all surfaces of the coal can contact water, as Figure 5 shown;

[0024] Among them, the flipping component includes two driving rollers, and an elastic belt is sleeved between the two driving rollers. The elastic belt has a certain elasticity to avoid damage to the flipping component by coal blocks (some with larger volumes) when the coal is flipped, providing a certain space for the flipping of the coal;

[0025] The motor inside the support is connected to one of the driving rollers to provide power for the rotation of the elastic belt.

[0026] Preferably, the support is located between the two cooling components, and the shape of the support is in the shape of "匚", as Figure 1 shown;

[0027] Among them, the driving roller is connected to the bearing on the inner wall of the support, enabling the driving roller to rotate freely.

[0028] Preferably, a water-absorbing belt (which can be made of water-absorbing materials such as absorbent cotton or sponge and can deform when being squeezed) is bonded to the outer walls of the elastic belt of the cooling component and the conveyor belt. The thickness of the water-absorbing belt is greater than that of the elastic belt, and a metal mesh is bonded to the outside of the water-absorbing belt. Before the coal contacts the water-absorbing belt, it needs to contact the metal mesh first. The metal mesh increases the friction of the water-absorbing belt and can also prevent the coal from piercing through the metal mesh and puncturing the water-absorbing belt;

[0029] The elastic belt rotates in the opposite direction to the conveyor belt, causing the coal located between the suction belt and the conveyor belt to rotate, forming a... Figure 5 As shown, the coal can only rotate at this time, and when the water-absorbing belt comes into contact with the coal surface, it can release the water absorbed inside and finally coat the coal surface, thereby humidifying the coal and accelerating the heat dissipation of the coal.

[0030] Preferably, the surface of the conveyor belt is uniformly provided with through holes, so that the water sprayed on the coal surface, along with the soil, passes through the conveyor belt and falls into the funnel below the conveyor belt, and the funnel is installed below the conveyor belt.

[0031] The funnel's inlet corresponds to the bottom of the conveyor belt, thus collecting the mud and water passing through the conveyor belt. The outlet is connected to a water tank, transporting the collected mud and water to the water tank for storage.

[0032] Preferably, a filter screen is installed inside the conveyor belt, and the conveyor belt is divided into a sewage chamber and a clean water chamber by the filter screen;

[0033] The wastewater chamber is connected to the funnel, and the clean water chamber is connected to the water pump and foam generator through pipes. Therefore, when muddy water enters the wastewater chamber, it contains a large amount of mud and sand. When the liquid level of the wastewater in the wastewater chamber is higher than the liquid level of the clean water in the clean water chamber, the wastewater passes through the filter screen and enters the inlet chamber under the action of gravity. When passing through the filter screen, the mud and sand in the wastewater are blocked, thus filtering the wastewater. In the later stage, it is only necessary to clean the mud and sand in the water tank periodically. The purified water is transported to the location of the nozzle by the water pump and the foam generator. The nozzle sprays the water or the produced foam onto the surface of the coal to form a water cycle.

[0034] (III) Beneficial Effects

[0035] 1. Because it adopts a side plate with hooks, and the side plate can be freely unfolded or retracted, it effectively solves the cumbersome technical problems in the use of existing coal transportation cooling machines, thus achieving the goal of rapid installation. At the same time, there is no need to adjust the coal production line; only adjustments need to be made to the existing equipment, which is simple and convenient.

[0036] 2. Because a turning mechanism is used to turn the crushed coal, the technical problem of wasting water resources during the use of existing coal cooling machines in coal mines is effectively solved. This allows water to come into contact with all surfaces of the coal without soaking, which not only removes the dirt from the coal surface but also cools the coal evenly.

[0037] 3. By using foam covering and water-absorbing belts for coal transportation, the technical problem of existing coal cooling machines being unable to continuously cool the coal during use is effectively solved, thus achieving the goal of continuous cooling. Furthermore, cooling and transportation can be carried out simultaneously, saving time while ensuring sufficient cooling of the coal. Attached Figure Description

[0038] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention and to implement it in accordance with the contents of the specification, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0039] Figure 1 This is an overall structural diagram of an embodiment of the present invention;

[0040] Figure 2 This is one of the structural diagrams of the cooling component in an embodiment of the present invention;

[0041] Figure 3 This is the second structural diagram of the cooling component in an embodiment of the present invention;

[0042] Figure 4 This is a cross-sectional view of the cooling component and the conveyor belt in an embodiment of the present invention;

[0043] Figure 5 This is a cross-sectional view of the flipping component and the conveyor belt in an embodiment of the present invention.

[0044] Legend: 1. Conveyor belt; 2. Baffle; 3. Cooling component; 31. Connecting plate; 32. Side plate; 33. Connecting rod; 34. Hook plate; 35. Nozzle; 4. Tilting component; 41. Drive roller; 42. Elastic belt; 43. Water absorption belt; 5. Water pump; 6. Foam generator; 7. Water tank. Detailed Implementation

[0045] This application provides a coal transportation cooling mechanism that effectively solves the technical problems of existing coal transportation cooling machines, such as wasted water resources, cumbersome implementation, and inability to provide continuous cooling. The mechanism utilizes side plates with hooks that can be freely extended or retracted, enabling rapid installation without requiring adjustments to the coal production line; only adjustments to existing equipment are needed, making it simple and convenient. The use of a turning mechanism to turn the crushed coal allows water to contact all surfaces of the coal without soaking, removing surface dirt and providing uniform cooling. Furthermore, the use of foam covering and water-absorbing belts for coal transportation ensures continuous cooling, allowing cooling and transportation to occur simultaneously, saving time and ensuring thorough coal cooling.

[0046] Example 1

[0047] The technical solution in this application embodiment effectively solves the problem of cumbersome implementation of existing coal mine cooling machines. The overall approach is as follows:

[0048] To address the problems existing in the prior art, the present invention provides a coal transportation cooling mechanism, which includes a conveyor belt 1 for transporting coal and a cooling component 3 installed on the conveyor belt 1, wherein the cooling component 3 is used to cool the coal transported by the conveyor belt 1.

[0049] Conveyor belt 1 is used to transport crushed coal and is part of the original coal mining production line. Baffles 2 are installed on both sides of it to limit the movement range of the coal and prevent the coal from falling off the conveyor belt 1.

[0050] Cooling component 3 is installed on top of conveyor belt 1 and is used to cool the coal transported by conveyor belt 1.

[0051] The cooling component 3 includes a connecting plate 31, and side plates 32 are installed on both sides of the connecting plate 31. The two side plates 32 are respectively connected to the baffles 2 on both sides of the conveyor belt 1. The connecting rods 33 on the side walls of the side plates 32 are inserted into the connecting plate 31. Figure 2 As shown, the connecting rod 33 is inserted into the inside of the connecting plate 31, thereby connecting the two side plates 32 together to form a whole. Simultaneously, the spacing between the two side plates 32 can be adaptively adjusted according to the width of the conveyor belt 1, improving the applicability of the device. Furthermore, the side walls of the side plates 32 are equipped with "L"-shaped hook plates 34. The connection between the hook plates 34 and the side plates 32 forms a U-shaped structure. The cooling component 3 is connected to the baffle 2 through the hook plates 34, causing the baffle 2 to engage in the gap between the hook plates 34 and the side plates 32, i.e., the baffle 2 engages in the opening of the U-shaped structure, forming a... Figure 4 The shape shown;

[0052] Multiple nozzles 35 are installed on the side wall of the side plate 32. Water or foam is sprayed onto the surface of the coal through the nozzles 35 to cool the coal.

[0053] In some examples, the side wall of the side plate 32 is equipped with a connector (for easy connection to the water pump 5 or the foam generator 6), and the connector is connected to the nozzle 35 through a pipe, so that water (foam) can enter the nozzle 35 along the pipe and then be sprayed out by the nozzle 35.

[0054] The water outlet of the nozzle 35 is inclined toward the direction of the conveyor belt 1, so that the water (foam) sprayed from the nozzle 35 can be sprayed onto the surface of the coal, thereby allowing the water (foam) to quickly cover the surface of the coal.

[0055] In some examples, the connecting rod 33 is connected to the inner wall of the connecting plate 31 by a spring, and the spring is always in a contracted state, thereby pulling the connecting rod 33 so that the baffle 2 connected to the connecting rod 33 moves together toward the center of the connecting plate 31, thereby maintaining the stability of the connection between the baffle 2 and the connecting plate 31 and facilitating the adjustment of the baffle 2.

[0056] The width of the connecting plate 31 is more than twice the length of the connecting rod 33. Therefore, even when the connecting rods 33 on both sides of the connecting plate 31 are fully inserted into the connecting plate 31, there is still space reserved for the placement of the spring.

[0057] In the specific implementation process, when it is necessary to install the cooling component 3 of the device, first pull the side plates 32 on both sides of the connecting plate 31 away from the connecting plate 31, forming as shown in the figure. Figure 2 As shown in the diagram, the hook plate 34 on the inner side of one of the side plates 32 is aligned with the baffle 2 on the outer side of the conveyor belt 1, so that the baffle 2 is inserted into the gap between the hook plate 34 and the side plate 32. Similarly, the position of the other side plate 32 is adjusted so that it is connected to the other baffle 2, forming a shape as shown in the diagram. Figure 1 The device is installed by following the shape shown. This process does not require modification or adjustment of the original device. Moreover, the position of the device can be freely adjusted as needed, thereby improving the applicability of the device.

[0058] When in use, the nozzles 35 on the side plate 32 spray water or foam onto the conveyor belt 1, thereby cooling the coal on the conveyor belt 1.

[0059] Example 2

[0060] Based on Example 1, the embodiments of this application effectively solve the technical problem that existing coal mine cooling machines cannot continuously cool coal during use. The overall idea is as follows:

[0061] The cooling components 3 consist of two sets, with one set of cooling components 3 having nozzles 35 connected to a water pump 5; the other set of cooling components 3 has nozzles 35 connected to a foam generator 6. By spraying foam onto the outside of the coal, the water-laden foam gradually comes into contact with the high-temperature coal, thereby continuously humidifying the coal surface. Furthermore, due to the interconnection of the foams, when the foam on the side closest to the coal is punctured by the high temperature, the outer foam moves towards the coal under the influence of gravity, thereby continuously wetting the coal surface. This keeps the coal in a state of moisture on the surface for a long time, thus absorbing the high temperature of the coal surface, improving the cooling effect, and eliminating the need for the coal to remain in each position for an extended period.

[0062] Among them, both the water pump 5 and the foam generator 6 are installed at the bottom of the conveyor belt 1, and both the water pump 5 and the foam generator 6 are connected to the water tank 7 at the bottom of the conveyor belt 1 through pipelines. When installing the water pump 5 and the foam generator 6, they can be directly placed below the conveyor belt 1, and only need to connect the pipelines between the cooling component 3 and the water pump 5, and between the cooling component 3 and the foam generator 6, as Figure 1 shown, thus reducing the installation time of the device.

[0063] Embodiment 3

[0064] Based on Embodiment 2, the embodiment of the present application effectively solves the technical problem of wasting water resources when the existing coal conveyor cooling machine is in use. The general idea is as follows:

[0065] A bracket is erected above the baffle 2, and a flipping component 4 is installed at the bottom of the bracket. The flipping component 4 corresponds to the conveyor belt 1 up and down. When the coal passes below the flipping component 4, the coal is flipped through the flipping component 4 so that all surfaces of the coal can contact water, as Figure 5 shown;

[0066] Among them, the flipping component 4 includes two transmission rollers 41, and an elastic belt 42 is sleeved between the two transmission rollers 41. The elastic belt 42 has a certain elasticity to prevent the (some relatively large-sized) coal blocks from damaging the flipping component 4 when the coal is flipped, providing a certain space for the flipping of the coal;

[0067] The motor inside the bracket is connected to one of the transmission rollers 41 to provide power for the rotation of the elastic belt 42.

[0068] In some examples, the bracket is located between the two cooling components 3, and the shape of the bracket is "U-shaped", as Figure 1 shown;

[0069] Among them, the transmission roller 41 is connected to the bearing on the inner wall of the bracket, so that the transmission roller 41 can rotate freely.

[0070] In some examples, a water absorption belt 43 (which can be made of water absorption materials such as water absorption cotton or sponge, and can deform when squeezed) is bonded to the elastic belt 42 of the cooling component 3 and the outer wall of the conveyor belt 1. The thickness of the water absorption belt 43 is greater than that of the elastic belt 42, and a metal mesh is bonded to the outside of the water absorption belt 43. Before the coal contacts the water absorption belt 43, it needs to contact the metal mesh first. The metal mesh increases the friction of the water absorption belt 43 and can also prevent the coal from piercing the water absorption belt 43 by passing through the metal mesh;

[0071] Among them, the rotation direction of the elastic belt 42 is opposite to that of the conveyor belt 1, so that the coal located between the elastic belt 42 and the conveyor belt 1 rotates, forming as Figure 5As shown, the coal can only rotate at this time, and when the elastic band 42 (its outer water-absorbing band 43) comes into contact with the coal surface, it can release the water absorbed inside and finally coat the coal surface, thereby humidifying the coal and accelerating the heat dissipation of the coal.

[0072] Example 4

[0073] Based on Example 1, this application aims to improve water recycling and clean the surface dirt of the media. The overall concept is as follows:

[0074] The surface of the conveyor belt 1 is evenly provided with through holes, so the water sprayed on the coal surface, along with the soil, passes through the conveyor belt 1 and falls into the funnel below the conveyor belt 1. The funnel is installed below the conveyor belt 1.

[0075] The funnel's inlet corresponds to the bottom of the conveyor belt 1, thereby collecting the mud and water passing through the conveyor belt 1. The outlet is connected to the water tank 7, transporting the collected mud and water to the water tank 7 for storage.

[0076] In some examples, a filter screen is installed inside the conveyor belt 1, and the conveyor belt 1 is divided into a sewage chamber and a clean water chamber by the filter screen;

[0077] The sewage chamber is connected to the funnel, and the clean water chamber is connected to the water pump 5 and the foam generator 6 through pipes. Therefore, when the muddy water enters the sewage chamber, it contains a large amount of mud and sand. When the sewage level in the sewage chamber is higher than the clean water level in the clean water chamber, the sewage passes through the filter screen and enters the inlet chamber under the action of gravity. When passing through the filter screen, the mud and sand in the sewage are blocked, thus filtering the sewage. Later, it is only necessary to clean the mud and sand inside the water tank 7 periodically. The purified water is transported by the water pump 5 and the foam generator 6 to the location of the nozzle 35. The nozzle 35 sprays the water or the produced foam onto the coal surface to form a water cycle.

[0078] Finally, it should be noted that the above embodiments are merely examples for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A coal cooling mechanism for coal transportation in a coal mine, characterized in that, The cooling mechanism includes: A conveyor belt (1) with baffles (2) installed on both sides thereof; A cooling component (3) installed on the top of the conveyor belt (1); Among them, the cooling component (3) includes a connecting plate (31), and side plates (32) are installed on both sides of the connecting plate (31). A connecting rod (33) on the side wall of the side plate (32) is inserted into the connecting plate (31); A hook plate (34) in an "L" shape is installed on the side wall of the side plate (32), and the cooling component (3) is connected to the baffle (2) through the hook plate (34); A plurality of nozzles (35) are installed on the side wall of the side plate (32); Among them, the connecting rod (33) is connected to the inner wall of the connecting plate (31) through a spring, and the spring is always in a contracted state; Among them, the width of the connecting plate (31) is greater than twice the length of the connecting rod (33); The number of the cooling components (3) is two groups. Among them, the nozzles (35) on one group of the cooling components (3) are connected to a water pump (5); the nozzles (35) on the other group of the cooling components (3) are connected to a foam generator (6); Among them, the water pump (5) and the foam generator (6) are both installed at the bottom of the conveyor belt (1), and the water pump (5) and the foam generator (6) are both connected to a water tank (7) at the bottom of the conveyor belt (1) through pipelines; A bracket is erected above the baffle (2), and a flipping component (4) is installed at the bottom of the bracket. The flipping component (4) corresponds to the conveyor belt (1) up and down; Among them, the flipping component (4) includes two driving rollers (41), and an elastic belt (42) is sleeved on the two driving rollers (41); The motor inside the bracket is connected to one of the driving rollers (41); The bracket is located between the two cooling components (3), and the shape of the bracket is in a "U" shape; Among them, the driving roller (41) is connected to the inner wall of the bracket through a bearing; An absorbent belt (43) is adhesively bonded to the elastic belt (42) of the cooling component (3) and the outer wall of the conveyor belt (1), and a metal mesh is adhesively bonded to the outside of the absorbent belt (43); Among them, the rotation direction of the elastic belt (42) is opposite to the rotation direction of the conveyor belt (1).

2. The coal cooling mechanism for coal transportation as described in claim 1, characterized in that: A docking head is installed on the side wall of the side plate (32), and the docking head is connected to the nozzle (35) through a pipeline; Among them, the water outlet end of the nozzle (35) inclines towards the direction where the conveyor belt (1) is located.

3. The coal cooling mechanism for coal transportation as described in claim 1, characterized in that: Through holes are evenly formed on the surface of the conveyor belt (1), and a funnel is installed below the conveyor belt (1); Among them, the water inlet of the funnel corresponds to the lower part of the conveyor belt (1), and the water outlet is connected to the water tank (7); 4. A coal transportation cooling mechanism as described in claim 3, characterized in that: A filter screen is installed inside the conveyor belt (1), and the conveyor belt (1) is separated into a sewage chamber and a purified water chamber by the filter screen; Among them, the sewage chamber is connected to the funnel, and the purified water chamber is connected to the water pump (5) and the foam generator (6) respectively through pipelines.

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