Coking workshop coke cake dust fall forming device

Abstract

The invention relates to a coking workshop coke cake dust fall forming device, and relates to the technical field of coking equipment, the coking workshop coke cake dust fall forming device comprises a vehicle body, a tamping box, a tamping assembly, a coal pushing assembly and a door pushing assembly; the tamping box is fixedly arranged on the vehicle body, and a tamping opening is formed in the top of the tamping box; the tamping assembly is arranged at the top of the tamping box and is used for tamping the coal in the tamping box; a coal outlet and a coal pushing opening are formed in the tamping box; the coal pushing assembly is arranged on the vehicle body and is used for pushing formed coal cakes into the carbonization chamber; a box door is arranged at an opening of the coal outlet; the door pushing assembly is arranged on the tamping box and used for driving the box door to be opened and closed. An isolation plate is arranged at an opening of the coal outlet, and the isolation plate and the box door can form a channel for coal cakes to pass through. According to the invention, the convenience of coking production can be improved.

Description

Technical Field

[0001] This application relates to the field of coking equipment technology, and in particular to a coking workshop coke cake dust suppression and forming device. Background Technology

[0002] In coking production, coal needs to be transported to the carbonization chamber of the coking oven. Then, the combustion chambers on both sides of the carbonization chamber transfer heat to the carbonization chamber to perform high-temperature dry distillation of the coal, thereby forming products such as coke and coke gas.

[0003] Currently, in coking production, loose coal is usually first compacted into coal cakes using coal cake forming equipment, and then the coal cakes are transported to the carbonization chamber for coking using coking equipment. This allows a certain amount of inferior coal to replace high-quality coal, making resource utilization more rational, and improving coke quality under the same coal blending conditions.

[0004] In the aforementioned coking production process, when the coal cake is transported to the carbonization chamber, coal dust inevitably exists on the coal cake forming equipment and on the coal cake itself. During the transport process, this coal dust is pushed out of the coal cake forming equipment along with the coal cake, forming dust between the coal cake forming equipment and the coking oven. Finally, it is scattered around and needs to be collected and cleaned manually, causing inconvenience to coking production. Moreover, in windy weather, it will also drift into the air and affect the environment. Summary of the Invention

[0005] To improve the convenience of coking production, this application provides a coking cake dust suppression and forming device for coking workshops.

[0006] This application provides a coking workshop coke cake dust suppression and forming device, which adopts the following technical solution: A coke cake dust suppression and forming device for a coking workshop, used to form coal cakes and transport them to the carbonization chamber of a coke oven, includes a car body, a tamping box, a tamping assembly, a coal pushing assembly, and a door pushing assembly; the tamping box is fixedly mounted on the car body, and a tamping opening is provided at the top of the tamping box; the tamping assembly is located at the top of the tamping box and is used to tamp the coal material inside the tamping box; the tamping box has a coal outlet and a coal pushing opening, which are arranged opposite each other; the coal pushing assembly is mounted on the car body. It is used to push the coal cake formed in the tamping box into the carbonization chamber; the opening of the coal outlet is provided with two box doors, which are respectively hinged to both sides of the tamping box; the push door assembly is provided on the tamping box, and the push door assembly is used to drive the box door to rotate open and close; the opening of the coal outlet is provided with two partition plates, which are respectively fixedly provided on the upper and lower sides of the tamping box, and the two partition plates and the two box doors can form a channel for the coal cake to pass through.

[0007] By adopting the above technical solution, during coking production, the operator pours the coal into the tamping box through the tamping inlet, then uses the tamping assembly to tamp the coal into a coal cake. The vehicle is then moved to the side of the coking oven's carbonization chamber, so that the coal outlet faces the carbonization chamber. The door is then opened using the door-pushing assembly. The opened door and two partition plates form a channel for the coal cake to pass through between the tamping box and the carbonization chamber. The coal-pushing assembly then pushes the formed coal cake through the channel between the tamping box and the carbonization chamber into the carbonization chamber. Finally, the vehicle is driven away from the coking oven, the coking oven door is closed, and the coal cake can be subjected to high-temperature dry distillation.

[0008] During the process of conveying coal cakes to the carbonization chamber, even if there is loose coal dust, it will fall into the channel formed by the door and the two partition plates, instead of scattering around and creating dust. This eliminates the need for operators to clean it up, thereby improving the convenience of coking production.

[0009] Optionally, the coal pushing assembly includes a coal pushing block, a coal pushing telescopic rod, and a first spring; the coal pushing block is adapted to the coal pushing opening and is slidably connected to the tamping box; the coal pushing telescopic rod is horizontally mounted on the vehicle body, and the fixed end of the coal pushing telescopic rod is connected to the vehicle body; the movable end of the coal pushing telescopic rod is fixedly connected to the coal pushing block; the movable end of the coal pushing telescopic rod divides the interior of the fixed end of the coal pushing telescopic rod into a first rod-mounted cavity and a first rodless cavity; the first spring is fixedly mounted in the first rod-mounted cavity; a driving assembly is provided on the vehicle body, and the driving assembly is used to drive the coal pushing telescopic rod to extend and retract.

[0010] By adopting the above technical solution, when the compacted coal cake is pushed into the carbonization chamber, the drive component drives the coal pushing telescopic rod to extend, thereby moving the coal pushing block towards the carbonization chamber and pushing the coal cake into the carbonization chamber. During this process, the first spring plays a buffering role, reducing the speed of the coal cake movement and preventing the coal cake from collapsing due to excessive speed.

[0011] Optionally, the drive assembly includes an oil tank, an oil outlet pipe, and a first connecting pipe; the oil tank is fixedly mounted on the vehicle body and contains pre-filled oil; the oil outlet pipe is connected to the interior of the oil tank and an oil pump is installed on the oil outlet pipe; the two ends of the first connecting pipe are respectively connected to the oil outlet pipe and the first rodless cavity.

[0012] By adopting the above technical solution, the oil in the oil tank is transported to the first rodless cavity through the oil outlet pipe and the first connecting pipe by the oil pump, so that the movable end of the coal pushing telescopic rod can overcome the first spring and extend.

[0013] Optionally, the push-door assembly is provided in two sets, each corresponding to a box door. Each push-door assembly includes a push-door telescopic rod, a hinge block, a transmission rod, and a second spring. The fixed end of the push-door telescopic rod is fixedly connected to the tamping box. The hinge block is hinged to the tamping box. The transmission rod passes through the hinge block, and its two ends are respectively hinged to the movable end of the push-door telescopic rod and the box door. The movable end of the push-door telescopic rod divides the interior of the fixed end of the push-door telescopic rod into a second rod-containing cavity and a second rodless cavity. The second spring is fixedly disposed in the second rodless cavity, and the elastic force of the second spring is less than that of the first spring. The drive assembly also includes a second connecting pipe, of which there are two, each corresponding to a push-door telescopic rod. The two ends of the second connecting pipe are respectively connected to the first rodless cavity and the second rod-containing cavity.

[0014] By adopting the above technical solution, the tamping box, hinge block, and transmission rod form a lever structure. During use, an oil pump delivers oil from the tank through the oil outlet pipe, the first connecting pipe, the first rodless chamber, and the second connecting pipe to the second rod-bearing chamber. This causes the door-pushing telescopic rod to retract against the second spring, driving the hinge block and transmission rod to move, thereby opening the tank door. Because the elastic force of the second spring is less than that of the first spring, the oil flowing from the tank first causes the coal-pushing telescopic rod to retract, opening the tank door, and then extends, pushing the coal cake into the carbonization chamber.

[0015] Optionally, a limiting groove is formed on the isolation plate located at the top of the tamping box; a limiting assembly is provided on the vehicle body, the limiting assembly including a limiting telescopic rod, a third spring, and a first limiting block; the fixed end of the limiting telescopic rod is fixedly disposed on the isolation plate located at the top of the tamping box, and the movable end of the limiting telescopic rod divides the interior of the fixed end of the limiting telescopic rod into a third rod-side cavity and a third rodless cavity; the third spring is fixedly disposed in the third rodless cavity; the first limiting block is adapted to the limiting groove, the first limiting block is slidably disposed in the limiting groove, and is fixedly connected to the movable end of the limiting telescopic rod; the driving assembly also includes a third connecting pipe, one end of the third connecting pipe is connected to the third rod-side cavity, and the other end is connected to both the oil outlet pipe and the first connecting pipe; an overflow valve is provided on the first connecting pipe, and the elastic force of the third spring is less than the starting pressure of the overflow valve.

[0016] By adopting the above technical solution, when the coal is tamped, the box door is in a closed state, and under the action of the third spring, the limiting telescopic rod is in an extended state. The first limiting block abuts against the side of the box door away from the tamping box, thereby limiting the box door and ensuring that the box door is always in a closed state during the tamping process, so as to prevent the coal from leaking from the gap between the box door due to the tamping hammer hitting the coal in the tamping box.

[0017] After the coal cake is compacted, before opening the box door, the operator first needs to use the oil pump to transport the oil in the oil tank through the oil outlet pipe and the third connecting pipe to the third rod chamber, so that the limit telescopic rod retracts, thereby driving the first limit block to move upward and away from the box door. At this time, the box door can be opened. The overflow valve ensures that the oil flowing out of the oil tank will first enter the third rod chamber, thereby moving the first limit block away from the box door.

[0018] Optionally, the limiting component further includes a second limiting block, which is fixedly mounted on the vehicle body and is used to limit the coal pusher block.

[0019] By adopting the above technical solution, when tamping the coal, the second limiting block is used to limit the pushing coal block, ensuring that one end of the pushing coal block is always inside the tamping box, and the pushing coal opening is always in a closed state during the tamping process, so as to prevent the coal from leaking out of the pushing coal opening due to the tamping hammer hitting the coal in the tamping box.

[0020] Optionally, the drive assembly further includes a return pipe, the two ends of which are connected to the third connecting pipe and the oil tank, respectively; an electric valve is installed on the return pipe.

[0021] By adopting the above technical solution, after the coal cake is pushed into the carbonization chamber, the operator drives the vehicle away from the coke oven, then shuts off the oil pump and starts the electric valve. At this time, because the elastic force of the first spring is the greatest and greater than the starting pressure of the overflow valve, the coal pushing telescopic rod retracts and resets first under the action of the first spring. The oil in the first rodless chamber flows back to the oil tank through the first connecting pipe, the third connecting pipe, and the return pipe. Then, because the elastic force of the second spring is greater than the elastic force of the third spring and greater than the starting pressure of the overflow valve, the door pushing telescopic rod retracts and resets later than the coal pushing telescopic rod under the action of the second spring. The oil in the second rod chamber also flows back to the oil tank. The door pushing telescopic rod drives the tank door to close through the transmission rod and the hinge block.

[0022] During the closing process, the bottom of the box door will push the coal scattered on the isolation plate at the bottom of the tamping box back into the tamping box, thereby reducing the workload of subsequent operators in recovering the loose coal on the isolation plate and improving the convenience of coking production.

[0023] After the box door is closed, the limiting telescopic rod extends under the elastic force of the third spring, thereby driving the first limiting block to move downward. The first limiting block then re-engages with the side of the box door away from the tamping box, thus completing the reset, and the subsequent tamping of coal cakes can continue.

[0024] Optionally, the tamping assembly includes a tamping hammer and a hydraulic cylinder; the tamping hammer is adapted to the tamping port and is slidably disposed with respect to the tamping box; the hydraulic cylinder is located on the top of the tamping box, the fixed end of the hydraulic cylinder is fixedly connected to the vehicle body, and the tamping hammer is fixedly connected to the movable end of the hydraulic cylinder.

[0025] By adopting the above technical solution, when tamping coal, the hydraulic cylinder drives the tamping hammer to move up and down repeatedly, thereby tamping the coal into coal cakes.

[0026] In summary, this application includes at least one of the following beneficial technical effects: During coking production, operators pour coal into the tamping box through the tamping inlet. The tamping assembly then compacts the coal into a coal cake. The vehicle is moved to the side of the coke oven's carbonization chamber, with the coal outlet directly opposite it. The door is opened using the push-door assembly. The opened door, along with two partition plates, forms a channel between the tamping box and the carbonization chamber for the coal cake to pass through. The pushing assembly then pushes the formed coal cake through this channel into the carbonization chamber. Finally, the vehicle is driven away from the coke oven, and the oven door is closed, allowing the coal cake to undergo high-temperature dry distillation. During the transport of the coal cake to the carbonization chamber, any loose coal dust will fall into the channel formed by the door and the two partition plates, preventing it from scattering and creating dust. This eliminates the need for operator cleanup, thus improving the convenience of coking production. Attached Figure Description

[0027] Figure 1 This is a structural schematic diagram of an embodiment of this application; Figure 2 This is a cross-sectional view of an embodiment of this application. Figure 1 ; Figure 3 This is a cross-sectional view of an embodiment of this application. Figure 2 ; Figure 4 yes Figure 3 A magnified view of a section at point A in the middle; Figure 5 yes Figure 1 A magnified view of a section at point B in the middle; Figure 6 yes Figure 2 A magnified view of a section at point C; Figure 7 yes Figure 2 A magnified view of a section at point D.

[0028] Explanation of reference numerals in the attached figures: 1. Coke oven; 11. Carbonization chamber; 2. Vehicle body; 3. Tamping box; 31. Tamping port; 32. Coal outlet; 33. Coal pusher; 34. Box door; 35. Isolation plate; 351. Limiting groove; 4. Tamping assembly; 41. Tamping hammer; 42. Hydraulic cylinder; 5. Coal pushing assembly; 51. Coal pushing block; 52. Coal pushing telescopic rod; 521. First rod-mounted chamber; 522. First rodless chamber; 53. First spring; 6. Door push assembly; 61. Door push telescopic rod; 611. Second rod-mounted cavity; 612. Second rodless cavity; 62. Hinge block; 63. Transmission rod; 64. Second spring; 7. Drive assembly; 71. Oil tank; 72. Oil outlet pipe; 721. Oil pump; 73. First connecting pipe; 731. Overflow valve; 74. Second connecting pipe; 75. Third connecting pipe; 76. Return pipe; 761. Electric valve; 8. Limiting assembly; 81. Limiting telescopic rod; 811. Third rod-mounted cavity; 812. Third rodless cavity; 82. Third spring; 83. First limiting block; 84. Second limiting block. Detailed Implementation

[0029] The following is in conjunction with the appendix Figure 1-7 This application will be described in further detail.

[0030] This application discloses a coking plant dust suppression and forming device for coking workshops, used to compact coal into coal cakes and transport the formed coal cakes to the carbonization chamber 11 of coke oven 1. (Refer to...) Figures 1 to 7 The coking workshop coke cake dust suppression and forming device includes a car body 2, a tamping box 3, a tamping component 4, a coal pushing component 5, and a door pushing component 6.

[0031] Reference Figure 1 and Figure 2 The tamping box 3 is vertically fixed on the vehicle body 2. A tamping opening 31 is provided at the top of the tamping box 3, and the tamping opening 31 communicates with the interior of the tamping box 3. The tamping assembly 4 includes a tamping hammer 41 and a hydraulic cylinder 42. The hydraulic cylinder 42 is vertically mounted on the top of the tamping box 3, and the movable end of the hydraulic cylinder 42 is located at the bottom of the fixed end of the hydraulic cylinder 42, which is fixedly connected to the vehicle body 2. The tamping hammer 41 is fixedly mounted at the bottom of the movable end of the hydraulic cylinder 42. The tamping hammer 41 is adapted to the tamping opening 31, and the tamping hammer 41 is slidably mounted on the tamping box 3.

[0032] Reference Figure 2 and Figure 3The tamping box 3 has a coal outlet 32 ​​and a coal pushing outlet 33, both of which are connected to the interior of the tamping box 3 and are positioned opposite each other. The coal pushing assembly 5 includes a coal pushing block 51, a coal pushing telescopic rod 52, and a first spring 53. The coal pushing block 51 is adapted to the coal pushing outlet 33 and is slidably connected to the tamping box 3. The coal pushing telescopic rod 52 is horizontally positioned, with its fixed end connected to the vehicle body 2 and its movable end fixedly connected to the coal pushing block 51.

[0033] The movable end of the coal pushing telescopic rod 52 divides the interior of the fixed end of the coal pushing telescopic rod 52 into a first rod-mounted cavity 521 and a first rodless cavity 522. The first rod-mounted cavity 521 is located on the side of the first rodless cavity 522 closer to the coal block 51. The first spring 53 is located inside the first rod-mounted cavity 521, and its two ends are fixedly connected to the movable end and the fixed end of the coal pushing telescopic rod 52, respectively.

[0034] Two isolation plates 35 are fixedly installed on the tamping box 3. Both isolation plates 35 are located at the opening of the coal outlet 32 ​​and are located on the upper and lower sides of the tamping box 3, respectively.

[0035] Reference Figure 3 and Figure 4 The tamping box 3 is equipped with two doors 34, both located at the opening of the coal outlet 32 ​​and on opposite sides of the tamping box 3. The doors 34 are hinged to the side walls of the tamping box 3, with the hinge axis vertically aligned. When the two doors 34 are closed by rotation, the coal outlet 32 ​​is in a closed state. When the two doors 34 are opened by rotation, the two partition plates 35 and the two doors 34 form a channel for the coal cake to pass through.

[0036] Reference Figure 4 and Figure 5 Two sets of push-door assemblies 6 are provided, each corresponding to a door 34. Each push-door assembly 6 includes a push-door telescopic rod 61, a hinge block 62, a transmission rod 63, and a second spring 64. The push-door telescopic rod 61 is horizontally positioned, with its fixed end fixedly connected to the tamping box 3. The hinge block 62 is hinged to the tamping box 3, with its hinge axis parallel to the hinge axis of the door 34. The transmission rod 63 passes through the hinge block 62, with both ends hinged to the movable end of the push-door telescopic rod 61 and the door 34, respectively, and both hinge axes parallel to the hinge axis of the door 34.

[0037] The movable end of the door extension rod 61 divides the interior of the fixed end of the door extension rod 61 into a second rod-mounted cavity 611 and a second rodless cavity 612. The first rod-mounted cavity 521 is located between the first rodless cavity 522 and the transmission rod 63. The second spring 64 is horizontally disposed in the second rodless cavity 612. The two ends of the second spring 64 are fixedly connected to the fixed end and the movable end of the door extension rod 61, respectively. The elastic force of the second spring 64 is less than the elastic force of the first spring 53.

[0038] Reference Figure 6 A limiting groove 351 is provided on the isolation plate 35 at the top of the tamping box 3, and the limiting groove 351 penetrates the isolation plate 35.

[0039] Reference Figure 2 and Figure 6 A limiting assembly 8 is provided on the vehicle body 2. The limiting assembly 8 includes a limiting telescopic rod 81, a third spring 82, a first limiting block 83, and a second limiting block 84. The limiting telescopic rod 81 is vertically arranged, and its fixed end is fixedly connected to the isolation plate 35 located at the top of the tamping box 3. The movable end of the limiting telescopic rod 81 divides the interior of its fixed end into a third rod-containing cavity 811 and a third rodless cavity 812, with the third rod-containing cavity 811 located at the bottom of the third rodless cavity 812. The third spring 82 is located inside the third rodless cavity 812, and its two ends are fixedly connected to the fixed end and the movable end of the limiting telescopic rod 81, respectively. The elastic force of the third spring 82 is less than that of the first spring 53 and the second spring 64. The first limiting block 83 is fixedly arranged at the bottom of the movable end of the limiting telescopic rod 81. The first limiting block 83 is adapted to the limiting groove 351 and is slidably arranged within the limiting groove 351. The second limiting block 84 is fixedly installed on the vehicle body 2 and is located on the side of the coal pushing block 51 near the coal pushing telescopic rod 52. The second limiting block 84 is used to limit the coal pushing block 51.

[0040] Reference Figure 2 and Figure 7 The vehicle body 2 is equipped with a drive assembly 7, which includes an oil tank 71, an oil outlet pipe 72, a first connecting pipe 73, a second connecting pipe 74, a third connecting pipe 75, and a return pipe 76. The oil tank 71 is fixedly mounted on the vehicle body 2 and is pre-filled with oil. The fixed end of the coal pushing telescopic rod 52 is fixedly mounted on the top of the oil tank 71. The oil outlet pipe 72 communicates with the interior of the oil tank 71, and an oil pump 721 is installed on the oil outlet pipe 72. The two ends of the first connecting pipe 73 are respectively connected to the oil outlet pipe 72 and the first rodless cavity 522.

[0041] Reference Figure 2 and Figure 4 There are two second connecting pipes 74, which correspond one-to-one with the push door telescopic rod 61. The two ends of the second connecting pipe 74 are respectively connected to the first rodless cavity 522 and the second rod cavity 611.

[0042] Reference Figure 6 and Figure 7 One end of the third connecting pipe 75 is connected to the third rod chamber 811, and the other end is connected to both the oil outlet pipe 72 and the first connecting pipe 73. An overflow valve 731 is fixedly installed on the first connecting pipe 73. The starting pressure of the overflow valve 731 is less than the spring force of the first spring 53 and the second spring 64, but greater than the spring force of the third spring 82. The two ends of the return pipe 76 are connected to the third connecting pipe 75 and the oil tank 71, respectively. An electric valve 761 is installed on the return pipe 76.

[0043] The implementation principle of the coking workshop coke cake dust suppression and forming device in this application embodiment is as follows: Initially, due to the action of the first spring 53, the coal pushing telescopic rod 52 is in a retracted state, and the side of the coal pushing block 51 away from the tamping box 3 abuts against the second limiting block 84. Under the action of the second spring 64, the door pushing telescopic rod 61 is in an extended state, causing the box door 34 to be in a closed state. Under the action of the third spring 82, the limiting telescopic rod 81 is in an extended state, causing the first limiting block 83 to abut against the side of the box door 34 away from the tamping box 3. Thus, a coal cake forming cavity is formed inside the tamping box 3.

[0044] During coking production, the operator uses hydraulic cylinder 42 to drive tamping hammer 41 to move away from tamping box 3, and then pours coal into tamping box 3 through tamping port 31. Then, the operator uses hydraulic cylinder 42 to drive tamping hammer 41 to move up and down repeatedly, thereby tamping the coal into coal cake.

[0045] After the coal briquettes are compacted, the operator moves the vehicle body 2 to the side of the carbonization chamber 11 of the coke oven 1, so that the coal outlet 32 ​​is directly opposite the carbonization chamber 11. Then the operator checks the electric valve 761 to ensure that the electric valve 761 is in the closed state. Then the oil pump 721 is started, so that the oil in the oil tank 71 flows out through the oil outlet pipe 72. Since the starting pressure of the overflow valve 731 is greater than the elastic force of the third spring 82, the oil flowing out from the oil outlet pipe 72 first enters the third rod chamber 811 through the third connecting pipe 75, thereby overcoming the pressure of the third spring 82 and causing the limit telescopic rod 81 to retract, thereby driving the first limit block 83 to move upward until it is away from the box door 34.

[0046] When the third connecting pipe 75 retracts to the minimum length of the third spring 82, the oil flowing out from the oil outlet pipe 72 will flow through the first connecting pipe 73 and the overflow valve 731 into the first rodless chamber 522. Since the elastic force of the second spring 64 is less than that of the first spring 53, the oil in the first rodless chamber 522 will first enter the second rod chamber 611 through the second connecting pipe 74, causing the push-door telescopic rod 61 to retract against the elastic force of the second spring 64. The movable end of the push-door telescopic rod 61 drives the transmission rod 63 and the hinge block 62 to move. Since the transmission rod 63 and the hinge block 62 form a lever structure in the tamping box 3, the movement of the transmission rod 63 and the hinge block 62 will drive the box door 34 to rotate and open. When the box door 34 is fully open, the two box doors 34 and the two isolation plates 35 form a channel connecting the tamping box 3 and the carbonization chamber 11.

[0047] After the box door 34 is fully opened, as the amount of oil entering the first rodless chamber 522 gradually increases, the coal pushing telescopic rod 52 extends against the elastic force of the first spring 53, thereby driving the coal pushing block 51 to move closer to the carbonization chamber 11. The coal cake in the tamping box 3 enters the carbonization chamber 11 through the channel formed by the two box doors 34 and the two partition plates 35. Then, the operator drives the vehicle 2 away from the coke oven 1 and closes the coke oven 1 door, allowing the coal cake to undergo high-temperature dry distillation. During this process, even if there is loose coal in the tamping box 3, it will fall into the channel formed by the two box doors 34 and the two partition plates 35, and will not scatter around to form dust.

[0048] After the vehicle body 2 moves away from the coke oven 1, the operator shuts off the oil pump 721 and starts the electric valve 761. At this time, because the elastic force of the first spring 53 is at its maximum and is greater than the starting pressure of the overflow valve 731, the coal pushing telescopic rod 52 retracts under the action of the first spring 53 until the coal pushing block 51 abuts against the second limit block 84. The oil in the first rodless chamber 522 flows back to the oil tank 71 through the first connecting pipe 73, the third connecting pipe 75 and the return pipe 76.

[0049] When the coal pusher 33 comes into contact with the second limit block 84, the elastic force of the second spring 64 is greater than that of the third spring 82 and is also greater than the starting pressure of the overflow valve 731. Under the action of the elastic force of the second spring 64, the push door telescopic rod 61 retracts, and the oil in the second rod chamber 611 flows back to the oil tank 71 through the second connecting pipe 74, the first rodless chamber 522, the first connecting pipe 73, the third connecting pipe 75 and the return pipe 76. The push door telescopic rod 61 drives the box door 34 to close through the transmission rod 63 and the hinge block 62. During the closing process, the bottom of the box door 34 will push the coal scattered on the isolation plate 35 located at the bottom of the tamping box 3 back into the tamping box 3.

[0050] After the box door 34 is closed, the limiting telescopic rod 81 extends under the elastic force of the third spring 82, thereby driving the first limiting block 83 to move downward. The first limiting block 83 then re-abuts against the side of the box door 34 away from the tamping box 3, thus completing the reset, and the subsequent tamping of coal cakes can continue.

[0051] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A coke cake dust reduction and forming device for a coking workshop, characterized in that: The invention comprises a vehicle body (2), a tamping box (3), a tamping assembly (4), a coal pushing assembly (5) and a door pushing assembly (6); the tamping box (3) is fixedly arranged on the vehicle body (2), and a tamping opening (31) is provided on the top of the tamping box (3); the tamping assembly (4) is arranged on the top of the tamping box (3) and is used to tamp the coal in the tamping box (3); the tamping box (3) is provided with a coal outlet (32) and a coal pushing opening (33), and the coal outlet (32) and the coal pushing opening (33) are arranged opposite to each other; the coal pushing assembly (5) is arranged on the vehicle body (2) and is used to tamp the coal in the tamping box (3). The coal cakes are pushed out into the carbonization chamber (11); two box doors (34) are provided at the opening of the coal outlet (32), and the two box doors (34) are respectively hingedly arranged on both sides of the tamping box (3); the push door assembly (6) is arranged on the tamping box (3), and the push door assembly (6) is used to drive the box doors (34) to rotate and open and close; two isolation plates (35) are provided at the opening of the coal outlet (32), and the two isolation plates (35) are respectively fixedly arranged on the upper and lower sides of the tamping box (3), and the two isolation plates (35) and the two box doors (34) can form a passage for the coal cakes to pass through.

2. The coke cake dust reduction and forming device for a coking workshop according to claim 1, characterized in that: The coal pushing assembly (5) comprises a coal pushing block (51), a coal pushing telescopic rod (52) and a first spring (53); the coal pushing block (51) is matched with the coal pushing port (33) and is slidably connected to the tamping box (3); the coal pushing telescopic rod (52) is horizontally arranged on the vehicle body (2), and the fixed end of the coal pushing telescopic rod (52) is connected to the vehicle body (2); the movable end of the coal pushing telescopic rod (52) is fixedly connected to the coal pushing block (51); the movable end of the coal pushing telescopic rod (52) divides the interior of the fixed end of the coal pushing telescopic rod (52) into a first rod-carrying cavity (521) and a first rod-free cavity (522); the first spring (53) is fixedly arranged in the first rod-carrying cavity (521); a driving assembly (7) is arranged on the vehicle body (2), and the driving assembly (7) is used to drive the coal pushing telescopic rod (52) to extend and retract.

3. The coke cake dust reduction and forming device for a coking workshop according to claim 2, characterized in that: The drive assembly (7) comprises an oil tank (71), an oil outlet pipe (72) and a first connecting pipe (73); the oil tank (71) is fixedly arranged on the vehicle body (2), and oil is preset in the oil tank (71); the oil outlet pipe (72) is connected to the interior of the oil tank (71), and an oil pump (721) is installed on the oil outlet pipe (72); and two ends of the first connecting pipe (73) are respectively connected to the oil outlet pipe (72) and the first rodless cavity (522).

4. The coke cake dust reduction and forming device for a coking workshop according to claim 3, characterized in that: The push door assembly (6) is provided with two groups, and the push door assembly (6) corresponds to the box door (34) one by one. The push door assembly (6) comprises a push door telescopic rod (61), a hinge block (62), a transmission rod (63) and a second spring (64); the fixed end of the push door telescopic rod (61) is fixedly connected to the tamping box (3); the hinge block (62) is hingedly arranged on the tamping box (3); the transmission rod (63) is passed through the hinge block (62), and the two ends are respectively hingedly connected to the movable end of the push door telescopic rod (61) and the box door (34); the push door telescopic rod (61) is fixedly connected to the tamping box (3); the transmission rod (63) is passed through the hinge block (62), and the two ends are respectively hingedly connected to the movable end of the push door telescopic rod (61) and the box door (34); The movable end divides the interior of the fixed end of the door-pushing telescopic rod (61) into a second rod-containing cavity (611) and a second rodless cavity (612); the second spring (64) is fixedly arranged in the second rodless cavity (612), and the elastic force of the second spring (64) is smaller than the elastic force of the first spring (53); the driving component (7) further includes a second connecting tube (74), two second connecting tubes (74) are arranged and correspond one to one with the door-pushing telescopic rod (61), and two ends of the second connecting tube (74) are respectively connected to the first rodless cavity (522) and the second rod-containing cavity (611).

5. The coke cake dust reduction and forming device for a coking workshop according to claim 4, characterized in that: A limiting groove (351) is provided on the isolation plate (35) located at the top of the tamping box (3); a limiting assembly (8) is provided on the vehicle body (2), and the limiting assembly (8) comprises a limiting telescopic rod (81), a third spring (82) and a first limiting block (83); the fixed end of the limiting telescopic rod (81) is fixedly arranged on the isolation plate (35) located at the top of the tamping box (3), and the movable end of the limiting telescopic rod (81) divides the interior of the fixed end of the limiting telescopic rod (81) into a third rod-containing cavity (811) and a third rodless cavity (812); the third spring (82) is fixedly arranged in the third rodless cavity (812); the first limit block (83) is adapted to the limit groove (351), the first limit block (83) is slidably arranged in the limit groove (351), and is fixedly connected to the movable end of the limit telescopic rod (81); the driving assembly (7) further comprises a third connecting pipe (75), one end of the third connecting pipe (75) is connected to the third rod cavity (811), and the other end is connected to both the oil outlet pipe (72) and the first connecting pipe (73); the first connecting pipe (73) is provided with an overflow valve (731), and the elastic force of the third spring (82) is less than the starting pressure of the overflow valve (731).

6. The coke cake dust reduction and forming device for a coking workshop according to claim 5, characterized in that: The limiting assembly (8) further comprises a second limiting block (84), wherein the second limiting block (84) is fixedly arranged on the vehicle body (2), and the second limiting block (84) is used to limit the position of the coal pushing block (51).

7. The coke cake dust reduction and forming device for a coking workshop according to claim 5, characterized in that: The drive assembly (7) further comprises a return pipe (76), the two ends of which are respectively connected to the third connecting pipe (75) and the oil tank (71); and an electric valve (761) is installed on the return pipe (76).

8. The coke cake dust reduction and forming device for a coking workshop according to claim 1, characterized in that: The tamping assembly (4) comprises a tamping hammer (41) and a hydraulic cylinder (42); the tamping hammer (41) is adapted to the tamping port (31), and the tamping hammer (41) is slidably arranged with the tamping box (3); the hydraulic cylinder (42) is located at the top of the tamping box (3), the fixed end of the hydraulic cylinder (42) is fixedly connected to the vehicle body (2), and the tamping hammer (41) is fixedly connected to the movable end of the hydraulic cylinder (42).

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