Novel semi-coke waste heat utilization and low-moisture coke quenching device

Abstract

The utility model relates to the technical field of coke quenching, in particular to a novel semi-coke waste heat utilization and low-moisture coke quenching device which comprises a machine body, the machine body comprises a conveying bin, the top end of the conveying bin is fixedly connected with a hopper, the bottom end of the conveying bin is provided with a discharge port, and the bottom end of the discharge port is provided with a material receiving device; and a cooling mechanism is arranged on the inner side of the conveying bin. According to the semi-coke conveying device, semi-coke can be conveyed through the spiral conveying rod, security water can be sprayed to the semi-coke in cooperation with the spraying pipe and the spraying head, the semi-coke can be further stirred in the conveying process, the moisture of the semi-coke can be relatively uniform, the moisture of the semi-coke can be conveniently controlled, and the semi-coke conveying device is suitable for large-scale production. According to the semi-coke heat exchanger, the situation that the moisture of discharged coke cannot be controlled can be avoided, meanwhile, the jacket is arranged to be matched with the boiler water supply pipe and the boiler water return pipe, heat exchange can be achieved while semi-coke is cooled, waste heat utilization is facilitated, and energy consumption can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coke extinguishing technology field, concretely to a novel low moisture coke quenching device with residual heat utilization of semi coke. BACKGROUND

[0002] Semi coke is a black or gray-black solid material obtained by using low coalification degree young coal (including lignite, long flame coal, non-caking coal, weakly caking coal, etc.) through medium-temperature dry distillation (generally at about 600~800 DEG C). It is mainly applied to chemical, metallurgical, gas-making and other industrial industries, and is also used as a clean fuel in civil fields. When coke is taken out from the high-temperature furnace, in order to prevent the coke from continuing to burn and reduce the temperature, a coke quenching device is usually used to quench the semi coke, so as to realize the cooling of the semi coke. The coke quenching device is a device system for realizing the quenching process, and the wet quenching is mainly composed of a quenching tower, a water pump, a spray head and the like. The high-temperature coke is rapidly cooled by spraying water, and the dry quenching usually includes a cooling chamber, a circulating fan, a heat exchanger and the like, and the coke is cooled by using inert gas (such as nitrogen or carbon dioxide) or air. The coke quenching device can quickly reduce the temperature of the semi coke to a safe range, and ensure the production safety.

[0003] At present, the semi coke quenching process adopts the closed atomization quenching (semi-dry method) process in the coking industry. Compared with the traditional process, the closed atomization quenching is obviously superior to the conventional water quenching method in terms of process mode, quenching environment, product and by-product quality, coal gas consumption, pollution emission and the like. However, due to the process of quenching, the moisture content of the semi coke is uncontrollable, which leads to a large amount of water in the semi coke and sales difficulties. Therefore, in order to solve the above problems, a novel low moisture coke quenching device with residual heat utilization of semi coke is provided. SUMMARY

[0004] The utility model aims at providing a novel low moisture coke quenching device with residual heat utilization of semi coke, so as to solve the problem that the moisture content of the semi coke is uncontrollable in the process of quenching, which leads to a large amount of water in the semi coke and sales difficulties.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel low moisture coke quenching device with residual heat utilization of semi coke, comprising a machine body, the machine body comprises a conveying bin, the top end of the conveying bin is fixedly connected with a hopper, the bottom end of the conveying bin is provided with a discharge port, and the bottom end of the discharge port is provided with a material receiving device.

[0006] The inner side of the conveying bin is provided with a cooling mechanism, the cooling mechanism comprises a jacket, the jacket is sleeved on the surface of the conveying bin, the inner side of the conveying bin is movably connected with a spiral conveying rod, the surface of the jacket is fixedly connected with a first motor, the inner side of the conveying bin is fixedly connected with a spray pipe, the bottom end of the spray pipe is fixedly connected with a spray head, the end of the spray pipe away from the spray head is fixedly connected with a connecting pipe, and the spray pipe penetrates through the jacket.

[0007] Preferably, the cooling mechanism further comprises a boiler feed water pipe, the boiler feed water pipe is fixedly connected to the top end of the jacket, and the bottom end of the jacket is fixedly connected with a boiler return water pipe.

[0008] Preferably, the spiral conveying rod is movably connected with the jacket, and the spiral conveying rod is fixedly connected with the output end of the first motor.

[0009] Preferably, the inner side of the hopper is provided with a quantity control mechanism, the quantity control mechanism comprises a baffle, the baffle is movably connected to the inner side of the hopper, the inner wall of the hopper is fixedly connected with a first fixed block, the surface of the hopper is fixedly connected with a second fixed block, the inner side of the first fixed block is movably connected with a screw rod, the bottom end of the second fixed block is fixedly connected with a second motor, the surface of the screw rod is threadedly connected with a moving block, and the surface of the moving block is movably connected with a connecting rod.

[0010] Preferably, the baffle is movably connected with the hopper through a rotating shaft, and the screw rod is movably connected with the hopper and the second fixed block.

[0011] Preferably, one end of the screw rod away from the first fixed block is fixedly connected with the output end of the second motor, one end of the connecting rod is movably connected with the moving block through a rotating shaft, and the other end of the connecting rod is movably connected with the baffle through a rotating shaft.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The setting of the spiral conveying rod can realize the conveying of the semi-coke, the setting of the spray pipe and the spray head can realize the spraying of the semi-coke with the safety water, and the semi-coke can be further stirred in the conveying process, so that the moisture of the semi-coke can be relatively uniform, the moisture of the semi-coke can be controlled conveniently, the situation that the moisture of the semi-coke cannot be controlled can be avoided, the heat exchange can be realized while the semi-coke is cooled through the setting of the jacket and the functions of the boiler feed water pipe and the boiler return water pipe, so that the waste heat utilization can be facilitated, and the energy consumption can be reduced.

[0014] The mobile block is moved by the rotation of the screw driven by the second motor, the connecting rod is moved, the angle of the baffle is changed, the size of the gap of the semi coke feeding is adjusted, the semi coke is controlled, and the sufficiency and quality of the coke quenching are avoided when the coke is quenched. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure front view schematic diagram of the utility model;

[0016] Figure 2 It is a structure front view schematic diagram of the utility model;

[0017] Figure 3 It is a structure front view schematic diagram of the utility model Figure 2 It is an enlarged structure schematic diagram of A place in the utility model;

[0018] Figure 4 It is a structure side view schematic diagram of the spray pipe and connecting pipe of the utility model;

[0019] Figure 5 It is a structure front view schematic diagram of the hopper and baffle of the utility model.

[0020] In the figure: 1, conveying bin; 11, hopper; 12, discharge port; 13, material receiving device; 2, jacket; 21, spiral conveying rod; 22, first motor; 23, spray pipe; 24, spray head; 25, connecting pipe; 26, boiler feed water pipe; 27, boiler return water pipe; 3, baffle; 31, first fixed block; 32, second fixed block; 33, screw; 34, second motor; 35, mobile block; 36, connecting rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides an embodiment:

[0023] The first motor 22 and the second motor 34 used in the application are products that can be directly purchased in the market, and the principles and connection modes thereof are all prior art well known by those skilled in the art, so they will not be described here.

[0024] The utility model provides a novel semicoke waste heat utilization and low moisture coke quenching device, including the body, the body includes the conveying bin 1, the top end fixedly connected with hopper 11 of conveying bin 1 is provided with the discharge port 12 of conveying bin 1's bottom, the bottom of discharge port 12 is provided with the receiving device 13, through the setting of hopper 11, the semicoke can enter to hopper 11, when the semicoke is discharged through discharge port 12, can realize through receiving device 13 to the reception of semicoke;

[0025] The inner side of the conveying bin 1 is provided with a cooling mechanism, the cooling mechanism includes a jacket 2, the jacket 2 is sleeved on the surface of the conveying bin 1, the inner side of the conveying bin 1 is movably connected with a spiral conveying rod 21, the surface of the jacket 2 is fixedly installed with a first motor 22, the inner side of the conveying bin 1 is fixedly connected with a spray pipe 23, the bottom end of the spray pipe 23 is fixedly connected with a spray head 24, the end away from the spray head 24 of the spray pipe 23 is fixedly connected with a connecting pipe 25, the spray pipe 23 penetrates the jacket 2, through the action of the spray head 24, the semicoke can be sprayed, and the uniformity of the moisture of the semicoke can be improved by the conveying action of the spiral conveying rod 21, so that the moisture of the semicoke can be reduced during the cooling process.

[0026] Further, the cooling mechanism further includes a boiler feed water pipe 26, the boiler feed water pipe 26 is fixedly connected to the top end of the jacket 2, the bottom end of the jacket 2 is fixedly connected with a boiler return water pipe 27, through the cooperation of the boiler feed water pipe 26 and the boiler return water pipe 27, the boiler water can enter the jacket 2 and cool the semicoke, and at the same time, heat exchange can be achieved, which is convenient for utilizing the waste heat and can reduce energy consumption.

[0027] Further, the spiral conveying rod 21 and the jacket 2 are movably connected, the spiral conveying rod 21 is fixedly connected with the output end of the first motor 22, the spiral conveying rod 21 is driven to rotate by the operation of the first motor 22, so that the spiral conveying rod 21 can convey and stir the semicoke, and the moisture of the semicoke can be relatively uniform.

[0028] Further, the inner side of the hopper 11 is provided with a quantity control mechanism, the quantity control mechanism includes a baffle 3, the baffle 3 is movably connected to the inner side of the hopper 11, the inner wall of the hopper 11 is fixedly connected with a first fixed block 31, the surface of the hopper 11 is fixedly connected with a second fixed block 32, the inner side of the first fixed block 31 is movably connected with a screw rod 33, the bottom end of the second fixed block 32 is fixedly installed with a second motor 34, the surface of the screw rod 33 is threadedly connected with a moving block 35, the surface of the moving block 35 is movably connected with a connecting rod 36, the moving block 35 can move and drive the connecting rod 36 to move by driving the screw rod 33 to rotate by the second motor 34, and the angle of the baffle 3 can be changed, which can control the amount of semicoke entering, so as to avoid insufficient coke quenching caused by too much semicoke entering.

[0029] Furthermore, the baffle 3 is movably connected to the hopper 11 via a rotating shaft, and the screw 33 is movably connected to both the hopper 11 and the second fixed block 32. The baffle 3 allows the semi-coke to enter the conveying chamber 1 through the gap between the two sets of baffles 3.

[0030] Furthermore, the end of the screw 33 away from the first fixed block 31 is fixedly connected to the output end of the second motor 34. One end of the connecting rod 36 is movably connected to the moving block 35 through a rotating shaft, and the other end of the connecting rod 36 is movably connected to the baffle 3 through a rotating shaft. The connecting rod 36 connects the moving block 35 and the baffle 3, so that when the moving block 35 moves, the connecting rod 36 can move, thereby enabling the connecting rod 36 to push and pull the baffle 3, and thus enabling the baffle 3 to move.

[0031] Working principle: During use, the first motor 22 is electrically connected to an external power source. The operator starts the first motor 22 by pressing the switch. The first motor 22 drives the screw conveyor 21 to rotate, so that the screw conveyor 21 can transport the semi-coke. The safety water enters through the connecting pipe 25 and is sprayed on the semi-coke through the spray pipe 23 and the nozzle 24. Combined with the conveying of the screw conveyor 21, the semi-coke can be stirred, so that the moisture content of the semi-coke is more uniform, thereby controlling the moisture content of the coke. The boiler water enters the jacket 2 through the boiler feed water pipe 26 and is returned through the boiler return water pipe 27, which can cool the semi-coke and exchange heat, thereby realizing the utilization of waste heat.

[0032] The second motor 34 is electrically connected to an external power source. The operator starts the second motor 34 by pressing a switch. The second motor 34 drives the screw 33 to rotate, which enables the moving block 35 to move vertically under the action of the screw 33. Then, the connecting rod 36 moves through the rotating shaft under the action of the moving block 35, which enables the baffle 3 to move accordingly. This allows the size of the gap between the baffles 3 to be adjusted, thereby enabling the regulation and control of the feed rate of semi-coke.

[0033] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the description above. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A novel semicoke waste heat utilization and low moisture coke quenching device, comprising a machine body, the machine body comprises a conveying bin (1), the top end of the conveying bin (1) is fixedly connected with a hopper (11), the bottom end of the conveying bin (1) is provided with a discharge port (12), and the bottom end of the discharge port (12) is provided with a receiving device (13); characterized in that The inner side of the conveying bin (1) is provided with a cooling mechanism, the cooling mechanism comprises a jacket (2), the jacket (2) is sleeved on the surface of the conveying bin (1), the inner side of the conveying bin (1) is movably connected with a spiral conveying rod (21), the surface of the jacket (2) is fixedly installed with a first motor (22), the inner side of the conveying bin (1) is fixedly connected with a spray pipe (23), the bottom end of the spray pipe (23) is fixedly connected with a spray head (24), one end of the spray pipe (23) away from the spray head (24) is fixedly connected with a connecting pipe (25), and the spray pipe (23) penetrates through the jacket (2).

2. The novel device for utilizing residual heat of blue water and low moisture quenching according to claim 1, characterized in that: The cooling mechanism further comprises a boiler feed water pipe (26), the boiler feed water pipe (26) is fixedly connected to the top end of the jacket (2), and the bottom end of the jacket (2) is fixedly connected with a boiler backwater pipe (27).

3. The novel device for utilizing residual heat of blue water and low moisture quenching according to claim 1, characterized in that: The spiral conveying rod (21) and the jacket (2) are movably connected, and the output end of the first motor (22) is fixedly connected with the spiral conveying rod (21).

4. The novel device for utilizing residual heat of blue water and low moisture quenching according to claim 1, characterized in that: The inner side of the hopper (11) is provided with a quantity control mechanism, the quantity control mechanism comprises a baffle (3), the baffle (3) is movably connected to the inner side of the hopper (11), the inner wall of the hopper (11) is fixedly connected with a first fixed block (31), the surface of the hopper (11) is fixedly connected with a second fixed block (32), the inner side of the first fixed block (31) is movably connected with a screw rod (33), the bottom end of the second fixed block (32) is fixedly installed with a second motor (34), the surface of the screw rod (33) is threadedly connected with a moving block (35), and the surface of the moving block (35) is movably connected with a connecting rod (36).

5. The novel device for utilizing residual heat of blue water and low moisture quenching according to claim 4, characterized in that: The baffle (3) is movably connected with the hopper (11) through a rotating shaft, and the screw rod (33) is movably connected with the hopper (11) and the second fixed block (32).

6. The novel device for utilizing residual heat of blue water and low moisture quenching according to claim 4, characterized in that: One end of the screw rod (33) away from the first fixed block (31) is fixedly connected with the output end of the second motor (34), one end of the connecting rod (36) is movably connected with the moving block (35) through a rotating shaft, and the other end of the connecting rod (36) is movably connected with the baffle (3) through a rotating shaft.

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