Vertical coke dry quenching carbonization furnace

Abstract

The utility model discloses a vertical type dry quenching carbonization furnace which comprises a carbonization furnace main body, a feeding hopper is assembled at the top end of the carbonization furnace main body, and a quenching bin is assembled at the bottom end of the carbonization furnace main body; a cooling bin is assembled between the coke quenching bin and the carbonization furnace main body, a communicating pipe is assembled on the outer wall of the cooling bin, and a VOCs system machine is assembled on the communicating pipe; a breather pipe is mounted at the lower end of the outer wall of the carbonization furnace main body; a sealing cover is sleeved between the breather pipe and the communicating pipe; the vertical type dry quenching carbonization furnace is simple in structure and convenient to operate, coal enters the carbonization furnace from top to bottom in the hopper to be coked, the cooling bin conducts waste heat recovery and humidification treatment on hot semi-coke obtained after dry distillation, the recovered waste heat can be recycled after being treated through a system machine, the energy consumption of the device is reduced, and the energy consumption of the device is reduced. The generation of VOCs unorganized waste gas is reduced, and the influence on the environment is avoided.

Description

Technical Field

[0001] This patent relates to the field of dry quenching coke furnaces, specifically a vertical dry quenching coke furnace. Background Art

[0002] Coke quenching refers to the process of cooling the high-temperature coke obtained during the dry distillation process to a temperature that is convenient for transportation and storage. For vertical dry distillation furnaces, it can be divided into dry quenching and wet quenching. Among them, dry quenching uses the coal gas generated in the dry distillation section to cool the high-temperature coke and then remove it from the coke oven, while wet quenching directly cools the high-temperature coke by spraying water;

[0003] However, the dry quenching coke furnace in the prior art still has some shortcomings. For example, a large amount of steam will be generated during the quenching and cooling process. Direct discharge will easily cause waste of resources and environmental pollution. Therefore, the prior art needs to be improved. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this patent is to provide a vertical dry quenching coking furnace.

[0005] The technical solution adopted by this patent to solve its technical problem is: a vertical dry quenching coke furnace, including a carbonization furnace body, the top of the carbonization furnace body is equipped with a feeding hopper, and the bottom of the carbonization furnace body is equipped with a coke quenching bin;

[0006] A cooling chamber is installed between the quenching chamber and the carbonization furnace body, a connecting pipe is installed on the outer wall of the cooling chamber, and a VOCs system machine is installed on the connecting pipe;

[0007] A vent pipe is installed at the lower end of the outer wall of the carbonization furnace body, and a sealing cover is installed between the vent pipe and the connecting pipe;

[0008] The upper and lower ends of the quenching bin are equipped with discharge valves, the upper discharge valve is connected to the cooling bin, and the lower discharge valve is equipped with a coke storage bin.

[0009] Furthermore, sealing openings are provided on both side walls of the sealing cover, the connecting pipe is inserted into the sealing opening on the left, and the ventilation pipe is inserted into the sealing opening on the right. The outside of the connecting pipe is located in the sealing cover and is sleeved with a rubber pad a and a rubber pad b. A fixing ring is installed on the side wall of the rubber pad a facing the rubber pad b, and rubber blocks are evenly installed on the side walls of the fixing ring.

[0010] Furthermore, a collecting cover is installed at the end of the ventilation pipe, and the end of the connecting pipe is inserted into the collecting cover.

[0011] Furthermore, the inner wall of the sealing cover is provided with an internal thread, the outer wall of the ventilation pipe is provided with an external thread, the internal thread and the external thread match each other, and a handle is installed on the outer wall of the sealing cover.

[0012] Furthermore, a feed pipe is installed at the lower end of the feed hopper, the feed pipe is connected to the carbonization furnace body, a screen is installed inside the feed hopper, vibration grooves are opened on the outer walls on both sides of the feed hopper, and vibration blocks are installed on both side walls of the screen, and the vibration blocks are installed in the vibration grooves.

[0013] Furthermore, a sliding rod is installed inside the vibration groove, the vibration block is sleeved on the outside of the sliding rod, and a spring is sleeved on the outside of the sliding rod at the lower end of the vibration block.

[0014] Furthermore, both side outer walls of the carbonization furnace body are equipped with burners, and the output end of the burner is equipped with a combustion fire channel, and the combustion fire channel is connected to the carbonization furnace body.

[0015] Furthermore, the interior of the quenching bin is equipped with a humidification pipeline.

[0016] The beneficial effects of this patent are:

[0017] A vertical dry quenching coking furnace has a simple structure and is easy to operate. Coal is put into the hopper and enters the carbonization furnace from top to bottom, so that the coal is coked. The cooling bin recovers and humidifies the hot blue charcoal after dry distillation. The recovered waste heat can be recycled after being processed by the system machine to reduce the energy consumption of the device, reduce the generation of VOCs unorganized waste gas, and avoid impact on the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of this patent.

[0019] Figure 2 It is a schematic diagram of the feeding hopper of this patent.

[0020] Figure 3 It is a cross-sectional view of the sealing cover of this patent.

[0021] Figure 4 This is a schematic diagram of the structure of Part A of this patent.

[0022] Explanation of the accompanying drawings: 1 carbonization furnace body, 2 cooling bin, 3 quenching bin, 4 coke storage bin, 5 feeding hopper, 6 feeding pipe, 7 ventilation pipe, 8 sealing cover, 9 VOCs system machine, 10 connecting pipe, 11 discharge valve, 12 humidification pipeline, 13 burner, 14 combustion fire channel, 15 internal thread, 16 external thread, 17 sealing port, 18 handle, 19 fixing ring, 20 rubber block, 21 collecting cover, 22 rubber pad b, 23 screen, 24 sliding rod, 25 vibration block, 26 vibration groove, 27 spring, 28 rubber pad a. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. In addition, it should be understood that after reading the contents of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the claims attached to the application.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 It is a schematic diagram of the structure of this patent, a vertical dry quenching coking furnace, including a carbonization furnace body 1, the top of the carbonization furnace body 1 is equipped with a hopper 5, the bottom of the carbonization furnace body 1 is equipped with a quenching bin 3, a carbonization chamber is provided in the carbonization furnace body 1, coal enters the carbonization chamber from the hopper from top to bottom, the two sides of the carbonization chamber provide heat through burners to make the coal coke, and the cooling bin 2 cools the coal after dry distillation to reduce the generation of black smoke and avoid impact on the environment. The vertical dry quenching coking furnace can increase production, reduce the water content of coke, reduce the generation of black smoke, and protect the ecological environment. The cooling bin includes a water-cooled wall, a steam drum and a circulating water pump. The top of the water-cooled wall is connected to the bottom of the carbonization chamber. The upper end of the water-cooled wall is provided with a water outlet, and the lower end is provided with a water inlet. The water outlet and the water inlet are both connected to the steam drum. The circulating water pump is arranged between the water inlet and the steam drum 32, and is used to drive the liquid in the steam drum to flow into the water-cooled wall through the water inlet;

[0025] A cooling bin 2 is installed between the quenching bin 3 and the carbonization furnace body 1, a connecting pipe 10 is installed on the outer wall of the cooling bin 2, and a VOCs system machine 9 (Volatile Organic Compounds) is installed on the connecting pipe 10;

[0026] A vent pipe 7 is installed at the lower end of the outer wall of the carbonization furnace body 1, and a sealing cover 8 is installed between the vent pipe 7 and the connecting pipe 10, so as to transmit the steam generated during cooling to the flower-seeking chamber;

[0027] The upper and lower ends of the quenching bin 3 are equipped with discharge valves 11. The upper discharge valve 11 is connected to the cooling bin 2, and the lower discharge valve 11 is equipped with the coke storage bin 4, and discharge is performed through the discharge valve 11.

[0028] The sealing cover 8 has sealing openings 17 on both side walls, the connecting pipe 10 is inserted into the sealing opening 17 on the left, and the vent pipe 7 is inserted into the sealing opening 17 on the right. The outside of the connecting pipe 10 is located in the sealing cover 8 and is sleeved with a rubber pad a 28 and a rubber pad b 22. A fixing ring 19 is installed on the side wall of the rubber pad a 28 facing the rubber pad b 22, and rubber blocks 20 are evenly installed on the side walls of the fixing ring 19. The connecting pipe 10 and the vent pipe 7 are connected through the sealing cover 8, and the gap between the connecting pipe 10 and the sealing opening 17 is sealed by the rubber pad a 28 and the rubber pad b 22.

[0029] A collecting cover 21 is installed at the end of the ventilation pipe 7, and the end of the connecting pipe 10 is inserted into the collecting cover 21. When the connecting pipe 10 is inserted into the ventilation pipe 7, the outer wall of the ventilation pipe 7 and the inner wall of the collecting cover 21 are interference fit, thereby improving the connection strength between the connecting pipe 10 and the ventilation pipe 7.

[0030] The inner wall of the sealing cover 8 is provided with an internal thread 15, and the outer wall of the vent pipe 7 is provided with an external thread 16. The internal thread 15 and the external thread 16 match each other. A handle 18 is installed on the outer wall of the sealing cover 8 and is connected by threaded matching. The setting of the handle 18 facilitates the rotation of the sealing cover 8.

[0031] A feed pipe 6 is installed at the lower end of the feed hopper 5, and the feed pipe 6 is connected to the carbonization furnace body 1. A screen 23 is installed inside the feed hopper 5. Vibration grooves 26 are opened on the outer walls on both sides of the feed hopper 5. Vibration blocks 25 are installed on both side walls of the screen 23. The vibration blocks 25 are installed in the vibration grooves 26. The coal can be screened through the screen 23, and the impact force of the coal from top to bottom can cause the screen 23 to vibrate, thereby improving the screening efficiency of the screen.

[0032] The sliding rod 24 is installed inside the vibration groove 26 , and the vibration block 25 is sleeved on the outside of the sliding rod 24 . The outside of the sliding rod 24 and the lower end of the vibration block 25 are sleeved with a spring 27 , and vibration is achieved by the spring 27 .

[0033] The outer walls of both sides of the carbonization furnace body 1 are equipped with burners 13, and the output end of the burner 13 is equipped with a combustion fire channel 14, which is connected to the carbonization furnace body 1. Coal will produce gas during the carbonization process. The gas outlet opened above the carbonization chamber is connected to the gas purification unit. The coal is countercurrently contacted with the high-temperature gas in the carbonization chamber from top to bottom. The upper part of the carbonization chamber is a preheating section. The coal moves downward into the distillation section in the middle of the carbonization chamber to be distilled into coke. Two combustion fire channels 13 are independently arranged on both sides of the carbonization chamber from top to bottom, and are driven by the burner 13. The flame spraying direction of the fire channel is arranged in the horizontal direction, which is convenient for adjusting the temperature distribution of the carbonization chamber to ensure that the coal is fully distilled, so that the quality of the coke product is uniform and stable, and CO+H2 in the coal gas generated during the distillation process is ≥38V%.

[0034] The quenching bin 3 is provided with a humidification pipeline 12, which is connected to an external water pipe so as to perform water spraying quenching.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vertical dry quenching coke furnace, comprising a carbonization furnace body (1), characterized in that: The top end of the carbonization furnace body (1) is equipped with a material feeding hopper (5), and the bottom end of the carbonization furnace body (1) is equipped with a coke quenching bin (3); A cooling bin (2) is installed between the quenching bin (3) and the carbonization furnace body (1); a connecting pipe (10) is installed on the outer wall of the cooling bin (2); and a VOCs system machine (9) is installed on the connecting pipe (10); A ventilation pipe (7) is installed at the lower end of the outer wall of the carbonization furnace body (1), and a sealing cover (8) is installed between the ventilation pipe (7) and the connecting pipe (10); The upper and lower ends of the quenching bin (3) are both equipped with discharge valves (11), the upper discharge valve (11) is connected to the cooling bin (2), and the lower discharge valve (11) is equipped with a coke storage bin (4).

2. A vertical dry quenching coke furnace according to claim 1, characterized in that: The sealing cover (8) is provided with sealing openings (17) on both side walls, the connecting pipe (10) is inserted into the sealing opening (17) on the left side, and the vent pipe (7) is inserted into the sealing opening (17) on the right side. The connecting pipe (10) is located outside the sealing cover (8) and is sleeved with a rubber pad a (28) and a rubber pad b (22). A fixing ring (19) is installed on the side wall of the rubber pad a (28) facing the rubber pad b (22), and rubber blocks (20) are evenly installed on the side wall of the fixing ring (19).

3. The vertical dry quenching coke furnace according to claim 2, characterized in that: A collecting hood (21) is installed at the end of the ventilation pipe (7), and the end of the connecting pipe (10) is inserted into the collecting hood (21).

4. The vertical dry quenching coke furnace according to claim 2, characterized in that: The inner wall of the sealing cover (8) is provided with an internal thread (15), the outer wall of the ventilation pipe (7) is provided with an external thread (16), the internal thread (15) and the external thread (16) cooperate with each other, and a handle (18) is installed on the outer wall of the sealing cover (8).

5. The vertical dry quenching coke furnace according to claim 1, characterized in that: A feed pipe (6) is installed at the lower end of the feed hopper (5), and the feed pipe (6) is connected to the carbonization furnace body (1). A screen (23) is installed inside the feed hopper (5), and vibration grooves (26) are opened on the outer walls of both sides of the feed hopper (5). Vibration blocks (25) are installed on both side walls of the screen (23), and the vibration blocks (25) are installed in the vibration grooves (26).

6. The vertical dry quenching coke furnace according to claim 5, characterized in that: A slide bar (24) is installed inside the vibration groove (26), the vibration block (25) is sleeved on the outside of the slide bar (24), and a spring (27) is sleeved on the outside of the slide bar (24) at the lower end of the vibration block (25).

7. The vertical dry quenching coke furnace according to claim 1, characterized in that: Burners (13) are installed on both side outer walls of the carbonization furnace body (1), and a combustion fire channel (14) is installed at the output end of the burner (13), and the combustion fire channel (14) is connected to the carbonization furnace body (1).

8. The vertical dry quenching coke furnace according to claim 1, characterized in that: The quenching bin (3) is provided with a humidification pipeline (12) inside.

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