Cooling system and method for cooling materials of pulverizer

Abstract

The cooling system comprises a stock bin assembly, the stock bin assembly comprises a bin shell, a partition plate and a material storage shell, the partition plate and the material storage shell are arranged on the two sides of the interior of the bin shell, a main cooling cavity is formed between the partition plate and the material storage shell, and an auxiliary cooling cavity is formed between the material storage shell and the side wall of the bin shell; a discharging cavity is formed between the partition plate and the side wall of the bin shell. The material storage shell and the multiple material spreading plates are arranged, materials in the material storage shell are subjected to heat conduction into the auxiliary cooling cavity through the cooling fins, air flow of the fan carries heat in the auxiliary cooling cavity to be discharged from the top of the auxiliary cooling cavity, the materials in the material storage shell are cooled, then the materials in the material storage shell are carried out into the main cooling cavity through the material spreading plates, and the cooling effect is improved. And the fan below the main cooling cavity cools the materials in the material spreading plate, so that material accumulation is avoided, and the materials can be fully cooled.

Description

Technical Field

[0001] The invention relates to the technical field of material cooling, in particular to a cooling system and method for cooling materials in a pulverizer. Background Art

[0002] A pulverizer is a mechanical device that cuts and crushes large-sized solid materials into small-sized particles. The device mainly achieves the purpose of crushing by blade cutting and high-speed impact. The crushed materials are made into granular materials through a granulation process. During the processing, the granular materials are in a high-temperature environment and need to be cooled after being discharged.

[0003] Existing cooling systems generally use a cooler to cool materials. Since materials are easy to accumulate in the cooler, the temperature in the middle of the accumulated materials is difficult to cool, which will lead to insufficient cooling of the materials and affect the next step of material processing. Therefore, the present invention proposes a cooling system and method for cooling pulverizer materials to solve the above problem. Summary of the invention

[0004] The object of the present invention is to provide a cooling system and method for cooling materials in a pulverizer, so as to solve the problem that the existing cooling system proposed in the above background technology generally uses a cooler to cool the materials. Since the materials are easy to accumulate in the cooler, the temperature in the middle of the accumulated materials is difficult to cool, which will lead to insufficient cooling of the materials and affect the next step of material processing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cooling system for cooling materials in a pulverizer, comprising a silo assembly, comprising a silo shell, partitions arranged on both sides of the silo shell, and a material storage shell, wherein the partition and the material storage shell are separated to form a main cooling chamber, the material storage shell and the side wall of the silo shell are separated to form a secondary cooling chamber, the partition and the side wall of the silo shell are separated to form a discharge chamber, a plurality of material laying plates are interspersed on one side of the material storage shell, the material laying plates are connected to a driving member, and the material laying plates are pushed into or pulled out of the material storage shell by the driving member; A cooling assembly includes a plurality of fans arranged at the bottom of the silo shell and a plurality of heat sinks interspersed on the material storage shell, the tops of the main cooling cavity and the auxiliary cooling cavity are open structures, the fans are arranged below the main cooling cavity and the auxiliary cooling cavity, the heat sinks are arranged between adjacent material laying plates of the material storage shell, and one end of the heat sink extends out of the material storage shell and is located in the auxiliary cooling cavity.

[0006] As a preferred solution of the present invention, wherein: the driving member includes multiple screws, a pushing rod arranged in the material laying plate, a motor, a synchronous wheel arranged at the output end of the motor and one end of the multiple screws, and a synchronous belt sleeved on the synchronous wheel, the number of the screws is the same as the number of the material laying plates, a screw is arranged in the middle of each of the material laying plates, the screw passes through the bin shell, the pushing rod, the material laying plate and the storage shell in sequence, the screw is threadedly connected to the pushing rod, and a limiting plate is arranged at the other end of the screw.

[0007] As a preferred solution of the present invention, the synchronous wheel on the output end of the motor is located directly below the synchronous wheel on the screw rod, and the synchronous belt is sleeved outside each synchronous wheel and meshed with it.

[0008] As a preferred solution of the present invention, square grooves are provided at both ends of the push rod, two springs and a pin rod are provided in the square grooves, one end of the spring is connected to the push rod, and the other end of the spring is connected to the pin rod, and the end of the pin rod away from the push rod is a rounded structure, and slots are provided on both sides of the paving plate, and the pin rods at both ends of the push rod are inserted into the slots on both sides of the paving plate.

[0009] As a preferred solution of the present invention, wherein: a plurality of first sockets cooperating with the material laying board are provided on the material storage shell, a plurality of second sockets cooperating with the material laying board are provided on the partition plate, the number of the first sockets and the second sockets is the same as the number of the material laying boards, the material laying boards are inserted into the first sockets of the material storage shell, and the end of the material laying board close to the first socket is an open structure, and rounded corner structures are provided on both sides of the first socket.

[0010] As a preferred solution of the present invention, the upper and lower sides of the paving board are mesh structures, the mesh holes of the upper mesh plate of the paving board are larger than the mesh holes of the lower mesh plate, and a convex corner is provided at one end of the paving board away from the first plug hole.

[0011] As a preferred solution of the present invention, the material storage shell is a U-shaped structure, a feed trough is arranged on the top of the material storage shell, and mesh covers are arranged on the tops of the main cooling cavity and the auxiliary cooling cavity.

[0012] As a preferred solution of the present invention, a base and a bracket are provided below the warehouse shell, the base is installed at the bottom of the warehouse shell, the base and the warehouse shell are installed on the bracket, and the motor is installed on one side of the base.

[0013] As a preferred solution of the present invention, the bottom of the discharge cavity is an open structure, and the base is provided with a discharge trough at the opening of the discharge cavity.

[0014] A method for using a cooling system for cooling materials in a pulverizer, comprising the following steps: Step (A), start the motor to reverse, and drive the motor through the synchronous belt and the synchronous wheel, so that the output shaft of the motor drives the screw to rotate. Since the screw and the push rod are threadedly connected, the pins at both ends of the push rod are inserted into the slots of the material spreading plate, so that the push rod can move along the axial direction of the screw and drive the material spreading plate to move, and pull the material spreading plate out of the material storage shell; Step (B), adding the crusher material from the feed trough into the storage shell, then starting the fan at the bottom of the hopper shell to cool it down, the material in the storage shell is transferred to the auxiliary cooling chamber through the heat sink, and then the airflow of the fan carries the heat in the auxiliary cooling chamber and is discharged from the top thereof; Step (C), start the motor again to make it rotate forward, so that the screw rotates, and the push rod moves along the pushing direction of the material spreading plate, pushing the material spreading plate into the material storage shell, the upper and lower sides of the material storage shell are mesh plate structures, and the material in the material storage shell enters the interior from the top of the material spreading plate, and then reverse the motor to pull the material spreading plate out of the material storage shell, insert the open end of the material spreading plate into the second plug hole of the partition, and stop the motor. At this time, the fan under the main cooling chamber is used to cool the material in the material spreading plate, and the heat is discharged from the top of the main cooling chamber; Step (D), reverse the motor again to rotate the screw rod, and the push rod continues to move along the pulling direction of the paving plate, and the pin rods with rounded corners at both ends of the push rod contact the rounded corners on both sides of the first insertion hole, push the pin rod into the square groove of the push rod and compress the spring, so that the pin rods at both ends of the push rod are separated from the slots on both sides of the paving plate, and the material in the paving plate is pushed out by the push rod and falls into the discharge cavity and then discharged from the discharge chute; Step (E), after the material in the paving plate is discharged, the motor is started to rotate forward, so that the screw rotates, and the push rod moves along the pushing direction of the paving plate until the push rod contacts the unopened end of the paving plate, and the pins at both ends of the push rod pop out and are reinserted into the slots on both sides of the paving plate, and the push rod continues to move to push the paving plate into the material storage shell to take out the material again; Step (F), repeating steps (C) to (E) to cool the material in the storage shell.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The present invention is provided with a storage shell and multiple material laying plates. The material in the storage shell is heat-conducted to the auxiliary cooling cavity through the heat sink, and the airflow of the fan carries the heat in the auxiliary cooling cavity and is discharged from the top thereof, so as to cool the material in the storage shell. Then, the material in the storage shell is brought out into the main cooling cavity through the material laying plates, and the fan under the main cooling cavity cools the material in the material laying plates, so as to avoid material accumulation and fully cool the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure at A in the middle; Figure 3 It is a schematic diagram of the internal structure of the warehouse shell of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at B in the middle; Figure 5 It is a schematic diagram of the shell structure of the silo shell of the present invention; Figure 6 It is a structural schematic diagram of the material storage shell of the present invention; Figure 7 For the present invention Figure 6 Schematic diagram of the enlarged structure at C in the middle; Figure 8 It is a schematic diagram of the top cross-sectional structure of the paving board of the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged structure at D in the middle; Fig.10 It is a schematic structural diagram of the base and the discharge chute of the present invention.

[0017] In the figure: 1. silo assembly; 101. silo shell; 102. partition; 102a. second plug hole; 103. storage shell; 103a. first plug hole; 104. main cooling chamber; 105. auxiliary cooling chamber; 106. discharge chamber; 107. material spreading plate; 107a. slot; 108. driving member; 108a. screw; 108b. push rod; 108c. motor; 108d. synchronous wheel; 108e. synchronous belt; 108f. square groove; 108g. spring; 108h. pin; 109. feed trough; 110. mesh cover; 111. base; 112. bracket; 113. discharge trough; 2. cooling assembly; 201. fan; 202. heat sink. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 10A cooling system for cooling materials in a pulverizer, comprising a silo assembly 1, comprising a silo shell 101, a partition 102 and a material storage shell 103 arranged on both sides of the silo shell 101, a main cooling chamber 104 is formed between the partition 102 and the material storage shell 103, a secondary cooling chamber 105 is formed between the material storage shell 103 and the side wall of the silo shell 101, a discharge chamber 106 is formed between the partition 102 and the side wall of the silo shell 101, a plurality of material laying plates 107 are interspersed on one side of the material storage shell 103, and the material laying plates 107 are connected to a driving member 108, and the material laying plates 107 are pushed into or pulled out of the material storage shell 103 by the driving member 108; The cooling assembly 2 includes a plurality of fans 201 arranged at the bottom of the storage shell 101 and a plurality of heat sinks 202 interspersed on the storage shell 103. The tops of the main cooling chamber 104 and the auxiliary cooling chamber 105 are open structures. The fans 201 are arranged below the main cooling chamber 104 and the auxiliary cooling chamber 105. The heat sinks 202 are arranged between adjacent material laying plates 107 of the storage shell 103, and one end of the heat sink 202 extends out of the storage shell 103 and is located in the auxiliary cooling chamber 105. It should be noted that there are four fans 201, which are respectively arranged at the four corners of the bottom of the warehouse shell 101. The fan 201 structure runs through the bottom of the warehouse shell 101, and the airflow enters the warehouse shell 101 from the bottom and is discharged from the top. The heat sink 202 is placed vertically, and the same number of heat sinks 202, which are 4-10, are arranged between adjacent paving boards 107. The heat sink 202 is evenly distributed in a linear array.

[0020] In the present embodiment, the driving member 108 includes a plurality of screw rods 108a, a push rod 108b arranged in the material spreading plate 107, a motor 108c, a synchronous wheel 108d arranged at the output end of the motor 108c and one end of the plurality of screw rods 108a, and a synchronous belt 108e sleeved on the synchronous wheel 108d. The number of the screw rods 108a is the same as the number of the material spreading plates 107. A screw rod 108a is arranged in the middle of each material spreading plate 107. The screw rod 108a passes through the bin shell 101, the push rod 108b, the material spreading plate 107 and the material storage shell 103 in sequence. The screw rod 108a is threadedly connected with the push rod 108b. Specifically, a threaded hole matching with the screw rod 108a is arranged in the middle of the push rod 108b. The screw rod 108a is inserted into the threaded hole in the middle of the push rod 108b and is threadedly connected with it. A limiting plate is arranged at the other end of the screw 108a. The synchronous wheel 108d on the output end of the motor 108c is located directly below the synchronous wheel 108d on the screw 108a, and the synchronous belt 108e is sleeved outside each synchronous wheel 108d and meshed therewith; It should be noted that the material spreading plates 107 on the material storage shell 103 are arranged at equal intervals, the number of the material spreading plates 107 is 2-8, the synchronous wheel 108d on each screw 108a is on the same line as the synchronous wheel 108d on the output end of the motor 108c, one end of the synchronous belt 108e is sleeved on the synchronous wheel 108d of the uppermost screw 108a, and the other end of the synchronous belt 108e is sleeved on the synchronous wheel 108d at the output end of the motor 108c.

[0021] In this embodiment, both ends of the push rod 108b are provided with square grooves 108f, and two springs 108g and a pin rod 108h are arranged in the square groove 108f. One end of the spring 108g is connected to the push rod 108b, and the other end of the spring 108g is connected to the pin rod 108h. The end of the pin rod 108h away from the push rod 108b is a rounded structure. Both sides of the paving plate 107 are provided with card grooves 107a, and the pin rods 108h at both ends of the push rod 108b are inserted into the card grooves 107a on both sides of the paving plate 107; It should be noted that the size of the push rod 108b matches the size of the inner cavity of the paving plate 107, so that the push rod 108b can be installed in the paving plate 107, and the pins 108h at both ends of the push rod 108b are supported by springs 108g and can slide elastically in the square groove 108f.

[0022] In the present embodiment, the material storage shell 103 is provided with a plurality of first jacks 103a that match the material laying board 107, and the partition plate 102 is provided with a plurality of second jacks 102a that match the material laying board 107. The number of the first jacks 103a and the second jacks 102a is the same as the number of the material laying board 107, and the material laying board 107 is inserted into the first jacks 103a of the material storage shell 103. Specifically, the material storage shell 103 is provided with two support plates below the material laying board 107 for supporting the material laying board 107, and the end of the material laying board 107 close to the first jack 103a is an open structure, and rounded structures are provided on both sides of the first jack 103a. It should be noted that the first insertion hole 103a on the material storage shell 103 corresponds to the second insertion hole 102a on the partition 102. When the two ends of the material spreading plate 107 are inserted into the first insertion hole 103a and the second insertion hole 102a, the material spreading plate 107 is in a horizontal state. The rounded corners on both sides of the first insertion hole 103a act as follows: when the rounded pins 108h at both ends of the push rod 108b contact the rounded corners on both sides of the first insertion hole 103a, the pins 108h are pushed into the square grooves 108f of the push rod 108b, so that the pins 108h at both ends of the push rod 108b are separated from the card slots 107a on both sides of the material spreading plate 107; The upper and lower sides of the material laying plate 107 are mesh structures. The mesh of the upper mesh of the material laying plate 107 is larger than the mesh of the lower mesh. The end of the material laying plate 107 away from the first plug hole 103a is provided with a convex corner, which is located on both sides of the material laying plate 107 and close to the card slot 107a, and its function is to prevent the material laying plate 107 from being separated from the material storage shell 103 as a whole; It should be noted that the mesh size of the upper mesh plate of the paving board 107 is larger than the size of the granular material, and the mesh size of the lower mesh plate of the paving board 107 is smaller than the size of the granular material, so that the granular material can enter the interior of the paving board 107 from the paving board 107.

[0023] In this embodiment, the material storage shell 103 is a U-shaped structure, a material feed trough 109 is provided on the top of the material storage shell 103, and a mesh cover 110 is provided on the top of the main cooling cavity 104 and the auxiliary cooling cavity 105; A base 111 and a bracket 112 are provided below the storage shell 101. The base 111 is installed at the bottom of the storage shell 101. The base 111 and the storage shell 101 are installed on the bracket 112. The motor 108c is installed on one side of the base 111. The bottom of the discharge cavity 106 is an open structure, and the base 111 is located at the opening of the discharge cavity 106 and is provided with a discharge trough 113 .

[0024] The method for using the cooling system for cooling materials in a pulverizer of the present invention comprises the following steps: Step (A), start the motor 108c to reverse, and transmit it through the synchronous belt 108e and the synchronous wheel 108d, so that the output shaft of the motor 108c drives the screw 108a to rotate. Since the screw 108a and the push rod 108b are threadedly connected, the pins 108h at both ends of the push rod 108b are inserted into the slots 107a of the material spreading plate 107, so that the push rod 108b can move axially along the screw 108a and drive the material spreading plate 107 to move, and pull the material spreading plate 107 out of the material storage shell 103; Step (B), adding the crusher material from the feed trough 109 into the storage shell 103, and then starting the fan 201 at the bottom of the bin shell 101 to cool down, the material in the storage shell 103 is transferred to the auxiliary cooling chamber 105 through the heat sink 202, and then the airflow of the fan 201 carries the heat in the auxiliary cooling chamber 105 and is discharged from the top thereof; Step (C), start the motor 108c again to make it rotate forward, so that the screw 108a rotates, and the push rod 108b moves along the pushing direction of the material laying plate 107, pushing the material laying plate 107 into the material storage shell 103. The upper and lower sides of the material storage shell 103 are mesh structures, and the material in the material storage shell 103 enters its interior from the top of the material laying plate 107, and then reverse the motor 108c to pull the material laying plate 107 out of the material storage shell 103, and insert the open end of the material laying plate 107 into the second plug hole 102a of the partition 102, and stop the motor 108c. At this time, the fan 201 under the main cooling chamber 104 is used to cool the material in the material laying plate 107, and the heat is discharged from the top of the main cooling chamber 104; Step (D), reverse the motor 108c again to rotate the screw 108a, and the push rod 108b continues to move along the pulling direction of the material spreading plate 107, and the pin rods 108h with rounded corners at both ends of the push rod 108b contact the rounded corners on both sides of the first insertion hole 103a, and the pin rods 108h are pushed into the square groove 108f of the push rod 108b and the spring 108g is compressed, so that the pin rods 108h at both ends of the push rod 108b are separated from the slots 107a on both sides of the material spreading plate 107, and the material in the material spreading plate 107 is pushed out by the push rod 108b and falls into the discharge chamber 106 and then discharged from the discharge chute 113; Step (E), after the material in the material spreading plate 107 is discharged, the motor 108c is started to rotate forward, so that the screw 108a rotates, and the push rod 108b moves along the pushing direction of the material spreading plate 107 until the push rod 108b contacts the unopened end of the material spreading plate 107, and the pins 108h at both ends of the push rod 108b pop out and reinsert into the slots 107a on both sides of the material spreading plate 107, and the push rod 108b continues to move to push the material spreading plate 107 into the material storage shell 103 to take out materials again; Step (F), repeating steps (C) to (E) to cool the material in the material storage shell 103.

[0025] In summary, the material in the storage shell of the cooling system is cooled by transferring heat to the auxiliary cooling chamber through the heat sink, thereby cooling the material in the storage shell, and then the material in the storage shell is brought out through the material laying plate to be cooled in the main cooling chamber, thereby achieving the purpose of fully cooling the material.

[0026] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A cooling system for cooling materials in a pulverizer, characterized in that: include, A silo assembly (1), comprising a silo shell (101), a partition (102) and a material storage shell (103) arranged on both sides of the silo shell (101), wherein the partition (102) and the material storage shell (103) are separated to form a main cooling chamber (104), the material storage shell (103) and the side wall of the silo shell (101) are separated to form a secondary cooling chamber (105), and the partition (102) and the side wall of the silo shell (101) are separated to form a discharge chamber (106), and a plurality of material spreading plates (107) are interspersed on one side of the material storage shell (103), and the material spreading plates (107) are connected to a driving member (108), and the material spreading plates (107) are pushed into or pulled out of the material storage shell (103) by the driving member (108); A cooling assembly (2) comprises a plurality of fans (201) arranged at the bottom of the storage shell (101) and a plurality of heat sinks (202) interspersed and arranged on the material storage shell (103); the tops of the main cooling chamber (104) and the auxiliary cooling chamber (105) are open structures; the fans (201) are arranged below the main cooling chamber (104) and the auxiliary cooling chamber (105); the heat sinks (202) are arranged between adjacent material laying plates (107) of the material storage shell (103); and one end of the heat sink (202) extends out of the material storage shell (103) and is located in the auxiliary cooling chamber (105).

2. The cooling system for cooling materials in a pulverizer according to claim 1, characterized in that: The driving member (108) includes a plurality of screw rods (108a), a pushing rod (108b) arranged in the material spreading plate (107), a motor (108c), a synchronous wheel (108d) arranged at the output end of the motor (108c) and one end of the plurality of screw rods (108a), and a synchronous belt (108e) sleeved on the synchronous wheel (108d), the number of the screw rods (108a) is the same as the number of the material spreading plates (107), a screw rod (108a) is arranged in the middle of each material spreading plate (107), the screw rod (108a) passes through the bin shell (101), the pushing rod (108b), the material spreading plate (107) and the material storage shell (103) in sequence, the screw rod (108a) is threadedly connected to the pushing rod (108b), and a limiting plate is arranged at the other end of the screw rod (108a).

3. The cooling system for cooling materials in a pulverizer according to claim 2, characterized in that: The synchronous wheel (108d) on the output end of the motor (108c) is located directly below the synchronous wheel (108d) on the screw rod (108a), and the synchronous belt (108e) is sleeved outside each synchronous wheel (108d) and meshes with it.

4. The cooling system for cooling materials in a pulverizer according to claim 3, characterized in that: Both ends of the push rod (108b) are provided with square grooves (108f), and two springs (108g) and a pin rod (108h) are arranged in the square groove (108f). One end of the spring (108g) is connected to the push rod (108b), and the other end of the spring (108g) is connected to the pin rod (108h). The end of the pin rod (108h) away from the push rod (108b) is a rounded structure. Both sides of the material laying plate (107) are provided with slots (107a), and the pin rods (108h) at both ends of the push rod (108b) are inserted into the slots (107a) on both sides of the material laying plate (107).

5. The cooling system for cooling materials in a pulverizer according to claim 4, characterized in that: The material storage shell (103) is provided with a plurality of first plug holes (103a) that match the material laying board (107), and the partition plate (102) is provided with a plurality of second plug holes (102a) that match the material laying board (107). The number of the first plug holes (103a) and the second plug holes (102a) is the same as the number of the material laying board (107). The material laying board (107) is inserted into the first plug hole (103a) of the material storage shell (103), and the end of the material laying board (107) close to the first plug hole (103a) is an open structure, and rounded structures are provided on both sides of the first plug hole (103a).

6. The cooling system for cooling materials in a pulverizer according to claim 5, characterized in that: The upper and lower sides of the material laying plate (107) are both mesh plate structures, the mesh holes of the upper mesh plate of the material laying plate (107) are larger than the mesh holes of the lower mesh plate, and a convex corner is provided at one end of the material laying plate (107) away from the first insertion hole (103a).

7. The cooling system for cooling materials in a pulverizer according to claim 2 or 6, characterized in that: The material storage shell (103) is a U-shaped structure, a material feeding trough (109) is provided on the top of the material storage shell (103), and mesh covers (110) are provided on the tops of the main cooling cavity (104) and the auxiliary cooling cavity (105).

8. The cooling system for cooling materials in a pulverizer according to claim 7, characterized in that: A base (111) and a bracket (112) are provided below the bin shell (101); the base (111) is mounted on the bottom of the bin shell (101); the base (111) and the bin shell (101) are mounted on the bracket (112); and the motor (108c) is mounted on one side of the base (111).

9. The cooling system for cooling materials in a pulverizer according to claim 8, characterized in that: The bottom of the discharge cavity (106) is an open structure, and the base (111) is provided with a discharge trough (113) at the opening of the discharge cavity (106).

10. A method for using a cooling system for cooling materials in a pulverizer according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step (A), starting the motor (108c) to reverse the rotation, and transmitting through the synchronous belt (108e) and the synchronous wheel (108d), so that the output shaft of the motor (108c) drives the screw rod (108a) to rotate, and since the screw rod (108a) and the push rod (108b) are threadedly connected, the pin rods (108h) at both ends of the push rod (108b) are inserted into the slots (107a) of the material spreading plate (107), so that the push rod (108b) can move along the axial direction of the screw rod (108a) and drive the material spreading plate (107) to move, so that the material spreading plate (107) is pulled out of the material storage shell (103); Step (B), adding the crusher material from the feed trough (109) into the material storage shell (103), then starting the fan (201) at the bottom of the bin shell (101) to cool the material, the material in the material storage shell (103) is transferred to the auxiliary cooling chamber (105) through the heat sink (202), and the airflow of the fan (201) carries the heat in the auxiliary cooling chamber (105) and discharges it from the top; Step (C), start the motor (108c) again to make it rotate forward, so that the screw (108a) rotates, and the push rod (108b) moves along the pushing direction of the material spreading plate (107), pushing the material spreading plate (107) into the material storage shell (103), the upper and lower sides of the material storage shell (103) are mesh plate structures, and the material in the material storage shell (103) enters its interior from the top of the material spreading plate (107), and then reverse the motor (108c), pull the material spreading plate (107) out of the material storage shell (103), insert the open end of the material spreading plate (107) into the second plug hole (102a) of the partition (102), and stop the motor (108c). At this time, the fan (201) below the main cooling chamber (104) is used to cool the material in the material spreading plate (107), and the heat is discharged from the top of the main cooling chamber (104); Step (D), reverse the motor (108c) again to rotate the screw (108a), and the push rod (108b) continues to move along the pulling direction of the material spreading plate (107), and the pin rods (108h) with rounded corners at both ends of the push rod (108b) contact the rounded corners on both sides of the first insertion hole (103a), and the pin rod (108h) is pushed into the square groove (108f) of the push rod (108b) and the spring (108g) is compressed, so that the pin rods (108h) at both ends of the push rod (108b) are separated from the slots (107a) on both sides of the material spreading plate (107), and the material in the material spreading plate (107) is pushed out by the push rod (108b) and falls into the discharge chamber (106) and then discharged from the discharge trough (113); In step (E), after the material in the material spreading plate (107) is discharged, the motor (108c) is started to rotate forward, so that the screw rod (108a) rotates, and the push rod (108b) moves along the pushing direction of the material spreading plate (107) until the push rod (108b) contacts the unopened end of the material spreading plate (107), and the pins (108h) at both ends of the push rod (108b) pop out and are reinserted into the slots (107a) on both sides of the material spreading plate (107), and the push rod (108b) continues to move to push the material spreading plate (107) into the material storage shell (103) to take out materials again; Step (F), repeating steps (C) to (E) to cool the material in the material storage shell (103).

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