Device for reducing environmental pollution by changing molten sulfur discharging mode
The molten sulfur discharge is processed by a cooling and sealing conveying mechanism, which solves the problems of environmental pollution and safety hazards in the process of molten sulfur discharge, and realizes the safe and environmentally friendly processing and resource utilization of sulfur.
Patent Information
- Application Number
- CN202422150087.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-03
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-09-03
AI Technical Summary
The environmental pollution caused by the molten sulfur discharge process in coking production, especially the emission of toxic and harmful gases from high-temperature sulfur liquid, endangers the environment and operational safety.
A cooling mechanism is used to cool the sulfur discharged from the molten sulfur kettle into a solid state, and then transported to the packaging unit through a sealed conveying mechanism. An integrated tail gas treatment system is used to prevent the spread of toxic gases.
It effectively reduces environmental pollution and safety hazards, and realizes the safe and environmentally friendly treatment and resource utilization of sulfur.
Smart Images
Figure CN223341567U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of molten sulfur treatment in a coking plant, in particular to a device for changing a molten sulfur discharge mode to reduce environmental pollution. Background Art
[0002] The coal gas produced during the coking process contains hydrogen sulfide. If not removed, it can cause severe corrosion of pipelines and equipment in subsequent chemical product processing. Furthermore, when coke oven gas is used as fuel, the combustion of hydrogen sulfide forms sulfur dioxide, which seriously pollutes the atmosphere. To control the hazards posed by hydrogen sulfide, the coke oven gas is typically desulfurized to produce sulfur or sulfuric acid, effectively turning this harm into a benefit. The sulfur production process commonly uses a molten sulfur kettle process, which uses steam to indirectly heat sulfur foam or paste, producing liquid sulfur. After exiting the molten sulfur kettle, it is cooled and converted into solid sulfur. During this process, there is a sulfur discharge process, and the hot liquid sulfur emits large amounts of toxic and harmful gases, which seriously pollute the atmosphere and pose a threat to environmental management. Utility Model Content
[0003] In order to solve the above problems, the utility model provides a device for changing the molten sulfur discharge mode to reduce environmental pollution.
[0004] The present invention is implemented as follows: a device for changing the molten sulfur discharge mode to reduce environmental pollution comprises a cooling mechanism and a conveying mechanism, wherein the cooling mechanism is used to cool the sulfur discharged from the molten sulfur kettle into solid sulfur, and the conveying mechanism is used to convey the solid powdered sulfur to the sulfur packaging unit, the cooling structure comprises a cooling drum, the cooling drum is arranged in a sealing cover, a liquid sulfur tank is arranged under the cooling drum, the liquid sulfuric acid tank is connected to the molten sulfur kettle discharge pipe, a cooling drum discharge mechanism is arranged at the bottom of the sealing cover, the cooling drum discharge mechanism is connected to the material inlet of the conveying mechanism, the conveying mechanism is a "Z" lifting structure, comprising a conveyor belt, a bucket conveying unit is arranged on the conveyor belt, the conveyor belt is arranged in a closed shell, an air inlet is arranged at the bottom of the conveying mechanism, a first air outlet is arranged at the top of the conveying mechanism, a second air outlet is arranged at the top of the cooling structure, and the first air outlet and the second air outlet are both connected to the exhaust gas treatment system.
[0005] Furthermore, the conveying mechanism also includes a transmission roller, a first guide roller, a second guide roller, a third guide roller, a first pressure roller, a second pressure roller and a discharge port. The conveyor belt is sleeved on the transmission roller, the first guide roller, the second guide roller, the third guide roller, the first pressure roller and the second pressure roller. The transmission roller is connected to the power output shaft of the conveying motor, and support legs are provided at the bottom of the shell.
[0006] Furthermore, the upper edge of the conveyor belt is provided with alternating circular grooves and protrusions, the shapes of which complement each other. The outer surfaces of the drive roller, first guide roller, second guide roller, third guide roller, first pressure roller, and second pressure roller correspond to the shape of the upper edge of the conveyor belt. During material (solid sulfur) conveying, the cooling roller discharge mechanism discharges the solid sulfur into the bucket conveyor unit on the conveyor belt. When the bucket conveyor unit conveys the material to the second guide roller, the bucket conveyor unit flips and dumps the material into the discharge port for packaging. The alternating circular grooves and protrusions on the upper edge of the conveyor belt correspond to the outer surfaces of the drive roller, first guide roller, second guide roller, third guide roller, first pressure roller, and second pressure roller, facilitating the efficient operation of the conveyor belt.
[0007] The cooling structure also includes a base, a bracket, a first bearing, a water inlet, a water outlet, a cooling drum motor, a transmission gear, an output shaft and a second bearing. The cooling drum motor is arranged on one side of the base, and a bracket is provided on the base. The first bearing and the second bearing are respectively provided on both sides of the bracket. The cooling drum is arranged between the first bearing and the second bearing. The water inlet and the water outlet are respectively provided at the center of both sides of the cooling drum.
[0008] Furthermore, the cooling drum discharge mechanism includes a scraper and a material guide trough. The scraper is close to the outer edge of the cooling drum, and the material guide trough is connected to the material inlet. During operation, the scraper scrapes the cooled material on the cooling drum and sends it to the material inlet along the material guide trough. The material guide trough is arranged on the inner surface of the sealing cover.
[0009] The beneficial effects of the present invention are as follows: the present invention has a reasonable structural design, the sulfur discharged from the sulfur melting kettle is transported to the liquid sulfur tank below the cooling drum, at this time the sulfur is in liquid state and contains a large amount of heat, the inner cylinder of the cooling drum is cooled by cooling water, as the cooling drum rotates, the sulfur in the liquid sulfur tank is cooled to a solid state on the cooling drum, scraped down by the scraper and transported to the material inlet along the guide trough, the cooling drum is arranged in a sealed cover, avoiding the frequent overflow of sulfur liquid caused by the use of the sulfur discharge box operation, which is easy to cause burns, scalds and other accidents and other safety hazards; the second air outlet provided on the upper part of the cooling drum collects toxic and harmful gases for centralized treatment. The cooled and dried solid sulfur is transported to the packaging line by the conveying mechanism for packaging, which can be taken out or used internally. The conveying mechanism adopts a closed bucket elevator structure, and the first air outlet is provided on the top to collect toxic and harmful gases for centralized treatment, which is safe and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 This is a schematic diagram of the structure of the conveying mechanism of the present utility model;
[0011] Figure 2 This is a schematic diagram of the cooling mechanism structure of the present utility model;
[0012] Figure 3 This is a schematic diagram of the conveyor belt structure of the present utility model;
[0013] Figure 4 This is a schematic diagram of the transmission rod structure of the utility model;
[0014] Figure 5 This is a schematic structural diagram of the scraper mechanism of the present utility model;
[0015] In the figure: 1-material inlet, 2-shell, 3-support leg, 4-drive roller, 5-convex belt, 501-material separator, 502-groove, 503-protrusion, 6-first pressure roller, 7-first guide roller, 8-second guide roller, 9-third guide roller, 10-second pressure roller, 11-discharge port, 12-air inlet, 13-first air outlet, 14-base, 15-bracket, 16-first bearing, 17-water inlet, 18-water outlet, 19-cooling drum, 20-liquid sulfur tank, 21-cooling drum motor, 22-drive gear, 23-output shaft, 24-second bearing, 25-sealing cover, 26-second air outlet, 27-cooling drum discharge mechanism, 28-scraper, 29-material guide trough, 30-molten sulfur kettle discharge pipe. DETAILED DESCRIPTION
[0016] In order to more clearly understand the technical solution of the present invention, the present invention is further described below with reference to the accompanying drawings.
[0017] like Figure 1-5 The device for changing the molten sulfur discharge mode to reduce environmental pollution includes a cooling mechanism (such as Figure 2 as shown) and the conveying mechanism (as Figure 1 As shown), the cooling mechanism is used to cool the sulfur discharged from the molten sulfur kettle into solid sulfur, and the conveying mechanism is used to convey the solid powdered sulfur to the sulfur packaging unit. The cooling structure includes a cooling drum 19, which is arranged in a sealing cover 25. A liquid sulfur tank 20 is provided under the cooling drum 19, and the liquid sulfuric acid tank is connected to the molten sulfur kettle discharge pipe. A cooling drum discharge mechanism 27 is provided at the bottom of the sealing cover 25, and the cooling drum discharge mechanism 27 is connected to the material inlet 1 of the conveying mechanism. The conveying mechanism is a "Z" lifting structure, including a conveyor belt 5, and a bucket conveying unit is provided on the conveyor belt 5. The bucket conveying unit is as shown Figure 5As shown, the conveyor belt has a certain depth, and a material partition plate 503 is provided in the middle. The conveyor belt 5 is arranged in a closed shell 2. An air inlet 12 is provided at the bottom of the conveying mechanism, a first air outlet 13 is provided at the top of the conveying mechanism, and a second air outlet 26 is provided at the top of the cooling structure. The first air outlet 13 and the second air outlet 26 are both connected to the exhaust gas treatment system. The conveying mechanism also includes a transmission roller 4, a first guide roller 7, a second guide roller 8, a third guide roller 9, a first pressure roller 6, a second pressure roller 10 and a discharge port 11. The conveyor belt 5 is sleeved on the transmission roller 4, the first guide roller 4, the second guide roller 8, the third guide roller 9, the first pressure roller 6 and the second pressure roller 10. The transmission roller 9 is connected to the power output shaft of the conveying motor. A support leg 3 is provided at the bottom of the shell 2. During installation, the height of the material inlet 1 can be appropriately adjusted according to the height of the roller discharge mechanism 27. The upper edge of the conveyor belt 5 is provided with alternating circular grooves 502 and protrusions 503, the shapes of the grooves 502 and protrusions 503 complement each other, and the outer surfaces of the transmission roller 4, the first guide roller 7, the second guide roller 8, the third guide roller 9, the first pressure roller 6, and the second pressure roller 10 correspond to the shape of the upper edge of the conveyor belt. Figure 4 The figure is a schematic diagram of the outer surface structure of the transmission roller 4. The structures of the other rollers are similar. The cooling structure also includes a base 14, a bracket 15, a first bearing 16, a water inlet 17, a water outlet 18, a cooling roller motor 21, a transmission gear 22, an output shaft 23, and a second bearing 24. The cooling roller motor 21 is arranged on one side of the base 14. The base 14 is provided with a bracket 15. The first bearing 15 and the second bearing 24 are respectively provided on both sides of the bracket 15. The cooling roller 19 is arranged between the first bearing 14 and the second bearing 24. The center of the two sides of the cooling roller 19 is respectively provided with a water inlet 17 and a water outlet 18. The cooling roller discharge mechanism includes a scraper 28 and a material guide trough 29. The scraper is close to the outer edge of the cooling roller 19. The material guide trough 29 is connected to the material inlet 1. During operation, the scraper 28 scrapes the cooled material on the cooling roller 19 and sends it to the material inlet 1 along the material guide trough 29. The material guide trough 29 is arranged on the inner surface of the sealing cover 25.
[0018] The utility model has a reasonable structural design and uses a cooling drum to cool the sulfur discharged from the molten sulfur kettle. The cooling drum is arranged in a sealing cover, and the conveying mechanism is arranged in a closed structure. A first air outlet is arranged on the top of the conveying mechanism and a second air outlet is arranged on the upper part of the cooling drum to collect toxic and harmful gases for centralized treatment. It is safe and environmentally friendly and reduces environmental pollution.
[0019] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.
Claims
1. A device for changing the discharge mode of molten sulfur to reduce environmental pollution, comprising a cooling mechanism and a conveying mechanism, wherein the cooling mechanism is used to cool the sulfur discharged from the molten sulfur kettle into solid sulfur, and the conveying mechanism is used to convey the solid sulfur to the sulfur packaging unit, characterized in that: The cooling structure includes a cooling drum, which is arranged in a sealing cover. A liquid sulfur tank is provided under the cooling drum. The liquid sulfuric acid tank is connected to the discharge pipe of the molten sulfur kettle. A cooling drum discharge mechanism is provided at the bottom of the sealing cover. The cooling drum discharge mechanism is connected to the material inlet of the conveying mechanism. The conveying mechanism is a "Z" lifting structure. The conveying mechanism includes a conveyor belt. A bucket conveying unit is provided on the conveyor belt. The conveyor belt is arranged in a closed shell. An air inlet is provided at the bottom of the conveying mechanism. A first air outlet is provided at the top of the conveying mechanism. A second air outlet is provided at the top of the cooling structure. The first air outlet and the second air outlet are connected to the exhaust gas treatment system.
2. The device for changing the molten sulfur discharge mode to reduce environmental pollution according to claim 1 is characterized in that: The conveying mechanism also includes a transmission roller, a first guide roller, a second guide roller, a third guide roller, a first pressure roller, a second pressure roller and a discharge port. The conveyor belt is sleeved on the transmission roller, the first guide roller, the second guide roller, the third guide roller, the first pressure roller and the second pressure roller. The transmission roller is connected to the power output shaft of the conveying motor, and support legs are provided at the bottom of the shell.
3. The device for changing the molten sulfur discharge mode to reduce environmental pollution according to claim 2 is characterized in that: The upper edge of the conveyor belt is provided with alternating circular grooves and protrusions, the shapes of the grooves and protrusions complement each other, and the outer surfaces of the transmission roller, the first guide roller, the second guide roller, the third guide roller, the first pressure roller, and the second pressure roller correspond to the shape of the upper edge of the conveyor belt.
4. The device for changing the molten sulfur discharge mode to reduce environmental pollution according to claim 1 is characterized in that: The cooling structure also includes a base, a bracket, a first bearing, a water inlet, a water outlet, a cooling drum motor, a transmission gear, an output shaft and a second bearing. The cooling drum motor is arranged on one side of the base, and a bracket is provided on the base. The first bearing and the second bearing are respectively provided on both sides of the bracket. The cooling drum is arranged between the first bearing and the second bearing. The water inlet and the water outlet are respectively provided at the center of both sides of the cooling drum.
5. The device for changing the molten sulfur discharge mode to reduce environmental pollution according to claim 4 is characterized in that: The cooling drum discharging mechanism includes a scraper and a material guide trough. The scraper is close to the outer edge of the cooling drum. The material guide trough is connected to the material inlet. The material guide trough is arranged on the inner surface of the sealing cover.