A sulfur foam sulfur melting kettle for producing sulfur from blast furnace gas

By introducing an electric heating tape and a stirring device into the sulfur melting kettle, the sulfur foam is preheated and further heated, which solves the problem of insufficient preheating of sulfur foam in the existing technology, improves sulfur production efficiency and sulfur recovery rate, and reduces the risk of equipment corrosion.

CN224371393UActive Publication Date: 2026-06-19FUJIAN PROVINCE SINOGASHOLDER EQUIP INSTALLATION CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN PROVINCE SINOGASHOLDER EQUIP INSTALLATION CO LTD
Filing Date
2025-06-19
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Existing sulfur melting kettles are not convenient for preheating the added sulfur foam during sulfur production, which slows down the sulfur production rate, reduces the efficiency of sulfur particle separation and melting, and increases the risk of equipment corrosion.

Method used

The design employs a combination of a vessel body, vessel lid, connecting pipe, electric heating tape, second drive motor, second rotating rod, and spiral blade to achieve initial preheating of sulfur foam. Further heating and stirring are then carried out using the vessel body, first drive motor, first rotating rod, stirring device, and disc heater to enhance the mixing effect and promote the sedimentation of sulfur particles.

Benefits of technology

By preheating and further heating, the aggregation and settling efficiency of sulfur particles is improved, the mixing effect is enhanced, the risk of equipment corrosion is reduced, and the sulfur recovery rate and sulfur production speed are increased.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the field of sulfur melting kettle, specifically is a kind of sulfur foam sulfur melting kettle for blast furnace gas sulfur production, including kettle body, the top of kettle body is connected with kettle cover by bolt fixedly, the top of kettle cover is fixedly installed with connecting pipe;The utility model provides a kind of sulfur foam sulfur melting kettle for blast furnace gas sulfur production, by the setting of kettle body, kettle cover, connecting pipe, electric heat tracing band, heat-insulating cotton, second drive motor, second rotary rod, spiral blade and feed pipe, sulfur foam can be added to connecting pipe inside by feed pipe, sulfur foam added to connecting pipe inside can use electric heat tracing band to carry out preliminary heating, simultaneously, the output end of second drive motor can drive the rotation of the spiral blade fixedly installed on the surface of second rotary rod, the spiral blade of rotation can slowly drive the descending of heated sulfur foam, so as to make sulfur foam preliminary preheating, convenient for sulfur particle aggregation and settlement, simultaneously, after preheating, solubility of sulfide increases, and corrosion risk reduces.
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Description

Technical Field

[0001] This utility model belongs to the field of sulfur melting kettle technology, specifically a sulfur foam melting kettle for sulfur production from blast furnace gas. Background Technology

[0002] A sulfur melting kettle is a chemical equipment used to process sulfur foam and recover sulfur. It is widely used in the fertilizer, coking and coal chemical industries. The sulfur melting kettle melts sulfur paste through external heating, separates molten sulfur, and cools it into sulfur products.

[0003] Existing sulfur melting kettles do not allow for preheating of the added sulfur foam during sulfur production. Without preheating, the sulfur production rate slows down, reducing the separation and melting of sulfur particles, as well as decreasing sulfur recovery rate and failing to reduce equipment corrosion.

[0004] Therefore, this utility model provides a sulfur foam melting kettle for sulfur production from blast furnace gas. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology and solve the problems raised in the background art.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: The sulfur foam melting kettle for sulfur production from blast furnace gas of this utility model includes a kettle body. The top of the kettle body is fixedly connected to a kettle cover by bolts. A connecting pipe is fixedly installed on the top of the kettle cover. An electric heating tape is installed on the surface of the connecting pipe. Insulation cotton is installed on the surface of the electric heating tape. A second drive motor is fixedly installed on the top of the connecting pipe by bolts. A second rotating rod is fixedly connected to the output end of the second drive motor. The top of the second rotating rod passes through the top of the connecting pipe and is rotatably connected to the through-hole. A spiral blade is fixedly connected to the surface of the second rotating rod. A feed pipe is fixedly installed on the surface of the connecting pipe. A sealing cap is threadedly connected to the top of the feed pipe.

[0007] As a further preferred embodiment of this technical solution, the top of the vessel lid is fixedly connected to a first drive motor by bolts, the output end of the first drive motor is fixedly connected to a first rotating rod, the surface of the first rotating rod is provided with a stirring device, the surface of the vessel body is fixedly connected to a shell, a disc heater is installed between the vessel body and the shell, the top of the vessel lid is fixedly installed with a liquid outlet pipe, and the bottom of the liquid outlet pipe penetrates the bottom of the vessel lid and connects to the inside of the vessel body, the other end of the liquid outlet pipe is flanged and connected to the inlet of the centrifugal pump.

[0008] As a further preferred embodiment of this technical solution, the stirring device includes a stirring element, which is fixedly installed on the surface of a first rotating rod. The surface of the stirring element has a circular hole. A stirring blade is fixedly installed on the surface of the first rotating rod, and the stirring blade is installed at the bottom of the stirring element. A stirring rod is fixedly installed on the surface of the first rotating rod, and a scraper is fixedly installed at the other end of the stirring rod.

[0009] As a further preferred embodiment of this technical solution, a discharge pipe is fixedly installed at the bottom of the vessel, a solenoid valve is fixedly installed on the surface of the discharge pipe, a control panel is fixedly installed on the surface of the vessel, and a temperature measuring device is fixedly installed on the surface of the vessel, and the temperature measuring device can monitor the temperature inside the vessel.

[0010] As a further preferred embodiment of this technical solution, the control panel is electrically connected to the first drive motor, the disc heater, the centrifugal pump, the electric heating tape, the second drive motor, and the solenoid valve.

[0011] As a further preferred embodiment of this technical solution, the surface of the scraper is in contact with the inner wall of the vessel, and there are three stirring rods, which are installed near the bottom of the vessel.

[0012] As a further preferred embodiment of this technical solution, a support leg is fixedly installed on the surface of the vessel body, and a rubber gasket is fixedly installed at the bottom of the support leg.

[0013] As a further preferred embodiment of this technical solution, the surface of the spiral blade is attached to the inner wall of the connecting pipe, and the spiral blade is fixedly installed near the bottom of the second rotating rod.

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

[0015] 1. The sulfur foam melting kettle for blast furnace gas sulfur production described in this utility model, with the following components: kettle body, kettle cover, connecting pipe, electric heating tape, insulation cotton, second drive motor, second rotating rod, spiral blade, and feed pipe, allows sulfur foam to be added into the connecting pipe through the feed pipe. The sulfur foam added into the connecting pipe can be initially heated by the electric heating tape. At the same time, the output end of the second drive motor can drive the spiral blade fixedly installed on the surface of the second rotating rod to rotate. The rotating spiral blade can slowly drive the heated sulfur foam to descend, thereby preheating the sulfur foam, which facilitates the aggregation and sedimentation of sulfur particles. At the same time, the solubility of sulfides increases after preheating, reducing the risk of corrosion.

[0016] 2. The sulfur foam melting kettle for blast furnace gas sulfur production described in this utility model, with the kettle body, first drive motor, first rotating rod, stirring device and disc heater, the stirring device can further heat the initially heated sulfur foam. The circular holes of the installed stirring element can promote fluid flow and enhance the mixing effect, causing the fine sulfur particles to aggregate, grow larger and sink downwards, and enter the high-temperature zone of the disc heater to melt. The installed disc heater can heat the material near the bottom of the kettle body. At the same time, the installed stirring blades can further enhance the mixing efficiency. The installed stirring rod and scraper can scrape off the sulfur particles attached to the inner wall of the kettle body, thereby facilitating sulfur production. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a side view of the present invention.

[0020] Figure 3 This is a preliminary heating structure schematic diagram of the present invention;

[0021] Figure 4 This is a cross-sectional structural diagram of the present invention;

[0022] Figure 5 This is a schematic diagram of the stirring structure of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] In the diagram: 1. Kettle body; 2. Kettle lid; 3. First drive motor; 4. First rotating rod; 5. Stirring device; 501. Stirring component; 502. Circular hole; 503. Stirring blade; 504. Stirring rod; 505. Scraper; 6. Outer shell; 7. Disc heater; 8. Discharge pipe; 9. Centrifugal pump; 10. Connecting pipe; 11. Electric heating tape; 12. Insulation cotton; 13. Second drive motor; 14. Second rotating rod; 15. Spiral blade; 16. Feed pipe; 17. Discharge pipe; 18. Solenoid valve; 19. Control panel. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] like Figures 1 to 5As shown, this utility model discloses a sulfur foam melting kettle for blast furnace gas sulfur production, comprising a kettle body 1. A kettle cover 2 is bolted to the top of the kettle body 1. A connecting pipe 10 is fixedly installed on the top of the kettle cover 2. An electric heating tape 11 is installed on the surface of the connecting pipe 10, and insulation cotton 12 is installed on the surface of the electric heating tape 11. A second drive motor 13 is bolted to the top of the connecting pipe 10. A second rotating rod 14 is fixedly connected to the output end of the second drive motor 13, and the top of the second rotating rod 14 passes through the top of the connecting pipe 10 and is rotatably connected to the through-hole. A spiral blade 15 is fixedly connected to the surface of the second rotating rod 14. A feed pipe 16 is fixedly installed on the surface of the connecting pipe 10, and a sealing cap is threaded to the top of the feed pipe 16. The top of the kettle body 1 can be fixed to the kettle cover 2 with bolts. The connecting pipe 10 is fixedly installed on the top of the kettle cover 2 to facilitate connection. An electric heating tape 11 is installed on the surface of the tube 10. The temperature of the installed electric heating tape 11 can be controlled by the control panel 19, so that the electric heating tape 11 can heat the connecting tube 10. Insulation cotton 12 is installed on the surface of the electric heating tape 11, so that the insulation cotton 12 can keep the heated connecting tube 10 warm and protect the electric heating tape 11. The top of the connecting tube 10 can be fixed to the second drive motor 13 by bolts. The output end of the second drive motor 13 can drive the second rotating rod 14 to rotate. The rotating second rotating rod 14 can drive the fixedly installed spiral blade 15 to rotate. A feed pipe 16 is fixedly installed on the surface of the connecting tube 10 to feed materials into the interior of the vessel 1. The added materials can be initially heated by the spiral blade 15, which facilitates further stirring.

[0027] like Figure 3 As shown, a first drive motor 3 is bolted to the top of the vessel lid 2. A first rotating rod 4 is bolted to the output end of the first drive motor 3. A stirring device 5 is provided on the surface of the first rotating rod 4. A shell 6 is bolted to the surface of the vessel body 1. A disc heater 7 is installed between the vessel body 1 and the shell 6. A liquid outlet pipe 8 is bolted to the top of the vessel lid 2, and the bottom of the liquid outlet pipe 8 penetrates the bottom of the vessel lid 2 and connects to the inside of the vessel body 1. The other end of the liquid outlet pipe 8 is flanged and connected to the inlet of the centrifugal pump 9. The first drive motor 3 is bolted to the top of the stirring device 5. The output end of the first drive motor 3 is fixedly mounted with a first rotating rod 4. A stirring device 5 is mounted on the surface of the first rotating rod 4. A shell 6 is fixedly mounted on the surface of the vessel body 1. A disc heater 7 is installed between the vessel body 1 and the shell 6, so that the disc heater 7 can further heat the material inside the vessel body 1. A liquid outlet pipe 8 is fixedly mounted on the top of the vessel cover 2, and the bottom of the liquid outlet pipe 8 penetrates the bottom of the vessel cover 2, so that the bottom of the liquid outlet pipe 8 enters the interior of the vessel body 1. At the same time, a centrifugal pump 9 is installed on the top of the liquid outlet pipe 8 through a flange to facilitate the discharge of clear liquid.

[0028] like Figure 5 As shown, the stirring device 5 includes a stirring element 501, which is fixedly mounted on the surface of the first rotating rod 4. A circular hole 502 is formed on the surface of the stirring element 501. A stirring blade 503 is fixedly mounted on the surface of the first rotating rod 4, and the stirring blade 503 is positioned at the bottom of the stirring element 501. A stirring rod 504 is fixedly mounted on the surface of the first rotating rod 4, and a scraper 505 is fixedly mounted on the other end of the stirring rod 504. The stirring elements 501 are fixedly mounted on the surface of the first rotating rod 4, and there are three stirring elements 501 evenly distributed. On the surface of the first rotating rod 4, circular holes 502 are formed on the surface of the stirring element 501. The circular holes 502 can promote fluid flow and enhance the mixing effect, causing fine sulfur particles to aggregate, grow larger, and settle downwards. At the same time, stirring blades 503 are fixedly installed on the surface of the first rotating rod 4, which can enhance the mixing efficiency. A stirring rod 504 is fixedly installed on the surface of the first rotating rod 4, and a scraper 505 is fixedly installed at the other end of the stirring rod 504. The scraper 505 can scrape off the material adhering to the inner wall of the vessel 1 to facilitate the use of the device.

[0029] like Figures 1 to 4 As shown, a discharge pipe 17 is fixedly installed at the bottom of the vessel body 1, a solenoid valve 18 is fixedly installed on the surface of the discharge pipe 17, a control panel 19 is fixedly installed on the surface of the vessel body 1, and a temperature measuring device is fixedly installed on the surface of the vessel body 1. The temperature measuring device can monitor the temperature inside the vessel body 1. The discharge pipe 17 is fixedly installed at the bottom of the vessel body 1, and the solenoid valve 18 fixedly installed on the surface of the discharge pipe 17 can control the discharge of sulfur products. At the same time, the control panel 19 fixedly installed on the surface of the vessel body 1 can control the first drive motor 3, the disc heater 7, the centrifugal pump 9, the electric heating tape 11, the second drive motor 13, and the solenoid valve 18.

[0030] Working principle: During operation, when initially heating the sulfur foam, the material is easily added through the installed feed pipe 16. The added material enters the interior of the connecting pipe 10, and then the control panel 19 controls the electric heating tape 11 to heat the connecting pipe 10. The heated connecting pipe 10 can initially heat the material. The second drive motor 13 drives the spiral blade 15 mounted on the surface of the second rotating rod 14 to rotate. The rotating spiral blade 15 can evenly pull the material downward, thus evenly heating the material. The heated material falls into the interior of the vessel body 1. The control panel 19 controls the disc heater 7 to heat the interior of the vessel body 1. The first drive motor 3 is driven, which enables the first rotating rod 4 installed at the bottom of the first drive motor 3 to drive the stirring device 5 to rotate. The rotating stirring element 501 can promote fluid flow through the open circular hole 502, enhance the mixing effect, and cause the fine sulfur particles to aggregate, grow larger and settle downward. At the same time, the installed stirring blade 503 can further enhance the mixing efficiency. The installed stirring rod 504 and scraper 505 can scrape off the sulfur particles attached to the inner wall of the vessel body 1, thereby facilitating sulfur production. When the material is discharged, the solenoid valve 18 is controlled by the control panel 19 to facilitate the discharge of the material from the discharge pipe 17, so that the discharge pipe 17 can be placed into the storage tank for cooling.

[0031] The terms "front," "back," "left," "right," "top," and "bottom" all refer to the figures in the accompanying drawings. Figure 1 Based on the perspective of the observer, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.

[0032] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A sulfur foam melting kettle for sulfur production from blast furnace gas, characterized in that, The apparatus includes a vessel body (1), the top of which is fixedly connected to a vessel cover (2) by bolts. A connecting pipe (10) is fixedly installed on the top of the vessel cover (2). An electric heating tape (11) is installed on the surface of the connecting pipe (10). Insulation cotton (12) is installed on the surface of the electric heating tape (11). A second drive motor (13) is fixedly installed on the top of the connecting pipe (10) by bolts. A second rotating rod (14) is fixedly connected to the output end of the second drive motor (13). The top of the second rotating rod (14) passes through the top of the connecting pipe (10) and is rotatably connected to the through-hole. A spiral blade (15) is fixedly connected to the surface of the second rotating rod (14). A feed pipe (16) is fixedly installed on the surface of the connecting pipe (10). A sealing cap is threadedly connected to the top of the feed pipe (16).

2. The sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 1, characterized in that, The top of the lid (2) is fixedly connected to a first drive motor (3) by bolts. The output end of the first drive motor (3) is fixedly connected to a first rotating rod (4). The surface of the first rotating rod (4) is provided with a stirring device (5). The surface of the body (1) is fixedly connected to a shell (6). A disc heater (7) is installed between the body (1) and the shell (6). The top of the lid (2) is fixedly installed with a liquid outlet pipe (8). The bottom of the liquid outlet pipe (8) penetrates the bottom of the lid (2) and connects to the inside of the body (1). The other end of the liquid outlet pipe (8) is flanged and connected to the inlet of the centrifugal pump (9).

3. The sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 2, characterized in that, The stirring device (5) includes a stirring element (501), which is fixedly installed on the surface of the first rotating rod (4). A circular hole (502) is opened on the surface of the stirring element (501). A stirring blade (503) is fixedly installed on the surface of the first rotating rod (4) and is installed at the bottom of the stirring element (501). A stirring rod (504) is fixedly installed on the surface of the first rotating rod (4), and a scraper (505) is fixedly installed at the other end of the stirring rod (504).

4. The sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 1, characterized in that, A discharge pipe (17) is fixedly installed at the bottom of the vessel body (1), a solenoid valve (18) is fixedly installed on the surface of the discharge pipe (17), a control panel (19) is fixedly installed on the surface of the vessel body (1), and a temperature measuring device is fixedly installed on the surface of the vessel body (1), and the temperature measuring device can monitor the temperature inside the vessel body (1).

5. A sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 4, characterized in that, The control panel (19) is electrically connected to the first drive motor (3), the disc heater (7), the centrifugal pump (9), the electric heating tape (11), the second drive motor (13), and the solenoid valve (18).

6. A sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 3, characterized in that, The surface of the scraper (505) is in contact with the inner wall of the vessel body (1), and there are three stirring rods (504), which are installed near the bottom of the vessel body (1).

7. A sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 1, characterized in that, The surface of the vessel body (1) is fixedly equipped with a support leg, and a rubber pad is fixedly installed at the bottom of the support leg.

8. A sulfur foam melting kettle for sulfur production from blast furnace gas according to claim 1, characterized in that, The surface of the spiral blade (15) is attached to the inner wall of the connecting pipe (10), and the spiral blade (15) is fixedly installed near the bottom of the second rotating rod (14).