A coke out of coke waste gas collecting device

Abstract

The utility model relates to waste gas treatment equipment technical field especially is a kind of coke waste gas collecting device, including the tower body with purification chamber, the purification chamber connection of air supply end and tower body with air guide fan, rotation is connected in centrifugal support of purification chamber, install multiple spray heads in purification chamber, and spray pump is connected with spray head pipeline, for driving centrifugal support rotation and make waste gas under the action of centrifugal force and make the rotation drive unit of unit and install in tower body demisting component;The top of the tower body is provided with discharge port, and the waste gas sprayed by the spray head is discharged along the discharge port after passing through centrifugal support and demisting component;The utility model can smoothly discharge the gas after waste gas treatment, prevent waste gas from causing harm to worker, surrounding resident and internal combustion engine, to purify use environment.

Description

Technical Field

[0001] This utility model relates to the technical field of waste gas treatment equipment, and in particular to a device for collecting waste gas from semi-coke coking. Background Technology

[0002] Semi-coke is a type of carbon material produced by burning high-quality Jurassic coal blocks from the Shenfu, Yulin, and Dongsheng coalfields. It is also known as semi-coke or coke powder. It has a blocky structure and a light black color. When semi-coke condenses and produces coal tar, it discharges a large amount of quenching wastewater and coal tar condensation wastewater, which contain a high concentration of dissolved ammonia.

[0003] Furthermore, ammonia is highly soluble in water to form ammonia water. If this wastewater is discharged into the environment without treatment, the ammonia dissolved in the wastewater will volatilize into the atmosphere, resulting in a high concentration of ammonia in the factory area. Inhaling large amounts of ammonia will seriously damage the health of workers and surrounding residents. Ammonia water can also corrode alloy materials, damage some parts of the internal combustion engine structure, and reduce the service life of the production equipment. As a result, the ammonia in the semi-coke waste gas will harm workers, surrounding residents, and the internal combustion engine. Therefore, it is necessary to promptly recover and treat the waste gas generated during the semi-coke production process. Utility Model Content

[0004] This utility model addresses the shortcomings of existing technologies by providing a semi-coke coking waste gas collection device, which smoothly discharges the treated gas, preventing the waste gas from harming workers, surrounding residents, and internal combustion engines, thereby purifying the operating environment.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0006] This utility model provides a semi-coke coking waste gas collection device, including a tower body with a purification chamber, an induced draft fan connected to the purification chamber of the tower body at the air supply end, a centrifugal support rotatably connected to the purification chamber, multiple nozzles installed in the purification chamber, a spray pump connected to the nozzle pipeline, a rotation drive unit for driving the centrifugal support to rotate and causing the waste gas to flow to the outside under the action of centrifugal force, and a demisting component installed on the tower body.

[0007] The top of the tower is provided with a discharge port, and the exhaust gas sprayed from the nozzle is discharged through the discharge port after passing through the centrifugal support and the demisting component.

[0008] The centrifugal support includes a rotating part rotatably connected to the tower body and an expansion part connected to the rotating part. The expansion part has a flared structure and is provided with a plurality of filter holes extending radially along the rotating part. The rotation drive unit is drivenly connected to the rotating part.

[0009] The demisting assembly includes a spiral demisting component and a wire mesh demisting component arranged from bottom to top on the tower body. The exhaust gas passes through the spiral demisting component and the wire mesh demisting component in sequence and is then discharged through the outlet.

[0010] The wire mesh demisting component includes several top frames spliced ​​and installed inside the tower body, several layers of corrugated filter screens laid flat on the top frames, grids installed on the same layer of corrugated filter screens, and spacers installed between the several layers of corrugated filter screens. The fine filaments on the corrugated filter screens are capillaries. The coverage surface of the top frames is the same as the coverage surface of the corrugated filter screens. The corrugated filter screens are laid flat below the top frames. The bottom end of the spacers is connected to a retaining ring, and the retaining ring supports the bottom of the corrugated filter screens.

[0011] The spiral demisting component includes a demisting base, several separation channels disposed on the demisting base and extending through both the upper and lower ends, spiral blades rotatably connected within the separation channels, and a drainage groove disposed on the inner wall of the separation channels.

[0012] The drainage trough has a spiral structure, with its upper and lower ends extending through it.

[0013] The expansion section has a V-shaped structure, the rotation center of the expansion section coincides with the center of the rotation section, and the number of filter holes is arranged in an increasing manner from bottom to top.

[0014] The beneficial effects of this utility model are:

[0015] Water is sprayed from nozzles to wash the exhaust gas. The water easily adheres to the demister, improving the capture efficiency of droplets and dust in the exhaust gas. Furthermore, the water on the demister facilitates cleaning. A power unit connected to a centrifugal support is installed on the outside of the tower. This power unit drives the centrifugal support to rotate. After being sprayed by the nozzles, the exhaust gas absorbs water and dust. Under the centrifugal force of the centrifugal support, the water and dust rotate at high speed along the inner wall. The exhaust gas, under the force of the induced draft fan, forms a large amount of turbulence. The turbulent exhaust gas mixes with the liquid on the centrifugal support. The mixed exhaust gas then passes through the demister to purify harmful gases, allowing the treated gas to be discharged from the outlet. This prevents the exhaust gas from harming workers, surrounding residents, and the internal combustion engine, thus purifying the operating environment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the coke exhaust gas collection device.

[0017] Figure 2 This is a structural diagram of a top frame, retaining ring, and part of a corrugated filter screen.

[0018] Figure 3A schematic diagram of the fracture structure of a wire mesh defogging component.

[0019] Figure 4 This is a schematic diagram of the installation structure of the top frame and the grille.

[0020] Figure 5 This is a cross-sectional view of the spiral demister component.

[0021] Figure 6 This is a cross-sectional view of the expansion section.

[0022] Figure 7 The images show actual pictures of wire mesh demisting components and spiral demisting components.

[0023] 1. Tower body; 2. Exhaust fan;

[0024] 3. Centrifuge support;

[0025] 31. Rotating part; 32. Expanding part; 321. Filter hole;

[0026] 41. Sprinkler head; 42. Spray pump;

[0027] 5. Rotation drive unit;

[0028] 61. Top frame; 62. Corrugated filter screen; 63. Grille;

[0029] 64. Spacer bar; 65. Retaining ring;

[0030] 71. Demisting base; 72. Separation channel; 73. Spiral blades; 74. Drainage trough. Detailed Implementation

[0031] To facilitate understanding by those skilled in the art, the present invention will be further described below in conjunction with embodiments and accompanying drawings. Specific embodiments of the present invention will be described below. It should be noted that, in order to provide a concise description of these embodiments, this specification cannot provide a detailed description of all features of the actual embodiments.

[0032] refer to Figures 1 to 7 As shown, this utility model provides a semi-coke coking waste gas collection device, including a tower body 1 with a purification chamber, an induced draft fan 2 connected to the purification chamber of the tower body 1 at the air supply end, a centrifugal support 3 rotatably connected to the purification chamber, multiple nozzles 41 installed in the purification chamber, a spray pump 42 connected to the nozzles 41 by pipeline, a rotation drive unit 5 for driving the centrifugal support 3 to rotate and causing the waste gas to flow to the outside under the action of centrifugal force, and a demisting assembly installed on the tower body 1; the top of the tower body 1 is provided with a discharge port, and the waste gas sprayed from the nozzles 41 is discharged along the discharge port after passing through the centrifugal support 3 and the demisting assembly.

[0033] refer to Figure 1 , 7 As shown, in practical applications, a material guide port is provided at the bottom of the tower body 1. The material guide port is located at the air supply end of the induced draft fan 2, and the material guide port and the discharge port correspond to... Figure 1 At points a and b, the exhaust gas enters the tower body 1 through the feed inlet and is then blown into the tower body 1 by the induced draft fan 2. The spray pump 42 is externally connected to a water source, and water is sprayed out through the nozzles 41 to wash the exhaust gas. The water easily adheres to the demister assembly, improving the capture efficiency of droplets and dust in the exhaust gas. Furthermore, the water adhering to the demister assembly facilitates cleaning. A power unit is installed on the outside of the tower body 1 and driven by the centrifugal support 3. As the centrifugal support 3 rotates, the exhaust gas, after being sprayed by the nozzle 41, will be covered with moisture and dust. Under the centrifugal force of the centrifugal support 3, the moisture and dust will rotate at high speed along the inner wall. Under the air supply of the induced draft fan 2, the exhaust gas will form a large amount of turbulence. The exhaust gas turbulence on the centrifugal support 3 will mix with the liquid. The mixed exhaust gas will be purified by the demisting component to remove harmful gases from the exhaust gas. The treated exhaust gas will then be discharged from the outlet to prevent the exhaust gas from causing harm to workers, surrounding residents and internal combustion engines, thereby purifying the operating environment.

[0034] refer to Figure 1 , 6 As shown, in this embodiment, the centrifugal support 3 includes a rotating part 31 rotatably connected to the tower body 1 and an expansion part 32 connected to the rotating part 31. The expansion part 32 has a flared structure and is provided with a plurality of filter holes 321 extending radially along the rotating part 31. The rotation drive unit 5 is drivenly connected to the rotating part 31.

[0035] refer to Figure 6 As shown, in practical applications, the rotation drive unit 5 uses a servo motor or bidirectional motor connected to the gear set drive. The servo motor or bidirectional motor drives the gear set and the rotating part 31 to rotate synchronously, thus smoothly driving the rotating part 31 to rotate. Through the provided expansion part 32, the gas is forced to rotate along with the expansion part 32 as the expansion part 32 rotates, and flows outward along the gradually expanding radial direction. When the gas flows from the inside to the outside of the expansion part 32, the outer surface of the expansion part 32 causes the exhaust gas to flow orderly from the low centrifugal force zone to the high centrifugal force zone along the flow path. This guides the exhaust gas along the path of continuously increasing centrifugal force, greatly reducing gas backmixing and short-circuit flow, ensuring that all exhaust gas can undergo a sufficient high centrifugal force separation process, thereby actively and forcibly separating different components in the exhaust gas, thus achieving efficient separation and flow efficiency of dust and droplets in the exhaust gas. Through the provided filter holes 321, the arbitrary movement of exhaust gas is ensured, improving the exhaust gas flow efficiency.

[0036] refer to Figure 1 , 5As shown in Figure 7, in this embodiment, the demisting component includes a spiral demisting component and a wire mesh demisting component arranged from bottom to top on the tower body 1. The exhaust gas passes through the spiral demisting component and the wire mesh demisting component in sequence and is discharged along the outlet. The spiral demisting component filters out some of the moisture in the exhaust gas, allowing the gas to diffuse at a higher speed. The wire mesh demisting component purifies harmful substances in the exhaust gas, such as ammonia.

[0037] refer to Figure 2 , 3 As shown in Figure 4, in this embodiment, the wire mesh demisting component includes several top frames 61 spliced ​​and installed inside the tower body 1, several layers of corrugated filter screens 62 laid flat on the top frames 61, grids 63 installed on the same layer of corrugated filter screens 62, and spacers 64 installed between the several layers of corrugated filter screens 62. The fine filaments on the corrugated filter screens 62 are capillaries. The covering surface of the top frames 61 is the same as the covering surface of the corrugated filter screens 62. The corrugated filter screens 62 are laid flat below the top frames 61. The bottom end of the spacers 64 is connected to a retaining ring 65, and the retaining ring 65 supports the bottom of the corrugated filter screens 62.

[0038] refer to Figure 1 As shown, in practical applications, exhaust gas flows into tower body 1 through the feed inlet. Liquid is sprayed through nozzle 41 to periodically flush the exhaust gas. The exhaust gas easily passes through, and the moisture readily adheres to the wire mesh demister and spiral demister, which helps maintain their ability to capture droplets and dust in the exhaust gas and facilitates cleaning of these components. (Reference) Figure 3 , 4 As shown, the horizontal and vertical structures of the corrugated filter screen 62 are stably supported by the grille 63 and the spacer rod 64, ensuring that the corrugated filter screen 62 can smoothly and stably cover the exhaust gas flow area.

[0039] refer to Figure 1 , 2As shown in Figure 3, under the action of the centrifugal support 3 and the nozzle 41, the exhaust gas rotates at high speed, thus partially atomizing into mist. The mist flows towards the demisting component in the purification chamber. When the exhaust gas passes through the corrugated filter screen 62, because the fine filaments on the corrugated filter screen 62 are capillary, when the gas carrying mist rises at a uniform speed in the tower body 1, it can pass through the corrugated filter screen 62 with its filtering effect, and the mist adheres to the surface of the filaments. When the mist on the corrugated filter screen 62 diffuses upwards, it can become a larger liquid, and the liquid is separated and falls off. This is mainly because the fine filaments used in this corrugated filter screen 62 are wettable, and with the action of the capillary on the fine filaments, combined with the control of the surface tension of the liquid itself, the mist in the purification chamber is removed to a certain extent. As long as the gas speed is controlled in operation, it can remove mist with a diameter of 3-5 mm. The separation of micron-sized droplets achieves a mist removal efficiency of over 99%, increases the inertia of mist during escape, prevents moisture from escaping with the exhaust gas, and allows the exhaust gas to effectively impact the corrugated filter screen 62, preventing excessive condensation of water vapor.

[0040] refer to Figure 1 , 5 As shown, in this embodiment, the spiral demisting component includes a demisting seat 71, a plurality of separation channels 72 disposed on the demisting seat 71 and extending through both the upper and lower ends, spiral blades 73 rotatably connected in the separation channels 72, and a drainage groove 74 disposed on the inner wall of the separation channels 72.

[0041] In practical applications, both ends of the helical blade 73 are rotatably connected to helical supports. The structure of the helical supports is as follows: Figure 5 Not shown in the diagram, the axial space between the spiral support and the spiral blade 73 is connected to facilitate the smooth flow of exhaust gas. The spiral support is installed on the demister seat 71. When the exhaust gas flows into the separation channel 72, it carries a certain airflow, which drives the spiral blade 73 to rotate. The spiral blade 73 is continuously rotated by the continuous impact of the exhaust gas, which enhances the centrifugal force of the exhaust gas. The dust in the exhaust gas is separated from the spiral blade 73 and continuously accelerates the outward expansion speed of the exhaust gas at the top opening of the separation channel 72. The mist droplets in the exhaust gas flow back down to the centrifugal support 3 along the drainage groove 74. The circulating exhaust gas is demisted to achieve efficient dust and mist removal.

[0042] refer to Figure 5 As shown, in this embodiment, the drainage trough 74 has a spiral structure, with both ends of the drainage trough 74 penetrating through, which facilitates the reflux of the mist droplets and helps to discharge the mist droplets in the exhaust gas into the drainage trough 74 under the action of centrifugal force. By setting both the drainage trough 74 and the spiral blade 73 as spiral structures, it is beneficial to the stable reflux of the mist droplets.

[0043] refer to Figure 6As shown, in this embodiment, the expansion section 32 has a V-shaped structure, and the rotation center of the expansion section 32 coincides with the center of the rotation section 31. The number of filter holes 321 is arranged in an increasing manner from bottom to top. The V-shaped structure facilitates the guidance of exhaust gas along a path where centrifugal force continuously increases, greatly reducing gas backmixing and short-circuit flow, ensuring that all exhaust gas undergoes a sufficient high centrifugal force separation process, thereby actively and forcibly separating different components in the exhaust gas, thus achieving efficient separation and flow efficiency of dust and droplets in the exhaust gas. By arranging the number of filter holes 321 in an increasing manner from bottom to top, the flow speed of droplets and dust in the exhaust gas at different speeds is met, reducing gas backmixing and short-circuit flow, and ensuring that all exhaust gas undergoes a sufficient high centrifugal force separation process.

[0044] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some changes or modifications to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes, and modifications made to the above embodiments based on the present utility model without departing from the scope of the present utility model shall fall within the scope of the present utility model.

Claims

1. A device for collecting exhaust gas from semi-coke coking, characterized in that, It includes a tower body (1) with a purification chamber, an induced draft fan (2) connected to the purification chamber of the tower body (1) at the air supply end, a centrifugal support (3) rotatably connected to the purification chamber, multiple nozzles (41) installed in the purification chamber, a spray pump (42) connected to the nozzles (41) by pipeline, a rotation drive unit (5) for driving the centrifugal support (3) to rotate and causing the exhaust gas to flow to the outside under the action of centrifugal force, and a demisting assembly installed in the tower body (1); The top of the tower body (1) is provided with a discharge port, and the exhaust gas sprayed by the nozzle (41) is discharged through the centrifugal support (3) and the demisting component.

2. The semi-coke coke exhaust gas collection device according to claim 1, characterized in that, The centrifugal support (3) includes a rotating part (31) rotatably connected to the tower body (1) and an expansion part (32) connected to the rotating part (31). The expansion part (32) has a flared structure and is provided with a plurality of filter holes (321) extending radially along the rotating part (31). The rotation drive unit (5) is drivenly connected to the rotating part (31).

3. The semi-coke coke exhaust gas collection device according to claim 2, characterized in that, The demisting assembly includes a spiral demisting component and a wire mesh demisting component arranged from bottom to top on the tower body (1). The exhaust gas passes through the spiral demisting component and the wire mesh demisting component in sequence and is then discharged through the outlet.

4. The semi-coke coke exhaust gas collection device according to claim 3, characterized in that, The wire mesh demisting component includes several top frames (61) spliced ​​and installed in the tower body (1), several layers of corrugated filter screens (62) laid flat on the top frames (61), grids (63) installed on the same layer of corrugated filter screens (62), and spacers (64) installed between the several layers of corrugated filter screens (62). The fine filaments on the corrugated filter screens (62) are capillaries. The covering surface of the top frames (61) is the same as the covering surface of the corrugated filter screens (62). The corrugated filter screens (62) are laid flat below the top frames (61). The bottom end of the spacers (64) is connected to a retaining ring (65), and the retaining ring (65) supports the bottom of the corrugated filter screens (62).

5. The semi-coke coke exhaust gas collection device according to claim 3, characterized in that, The spiral demisting component includes a demisting seat (71), several separation channels (72) disposed on the demisting seat (71) and extending through the upper and lower ends, spiral blades (73) rotatably connected in the separation channels (72), and a drainage groove (74) disposed on the inner wall of the separation channels (72).

6. The semi-coke coking waste gas collection device according to claim 5, characterized in that, The drainage channel (74) has a spiral structure, and the upper and lower ends of the drainage channel (74) are connected.

7. The semi-coke coke exhaust gas collection device according to claim 2, characterized in that, The expansion section (32) has a V-shaped structure, and the rotation center of the expansion section (32) coincides with the center of the rotation section (31). The number of filter holes (321) is arranged in an increasing manner from bottom to top.

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