Reduction distillation furnace for producing sponge titanium

By designing an integrated reduction distillation furnace, the problem of the inability to integrate reduction and distillation in sponge titanium production was solved, efficient temperature control and impurity reduction were achieved, and the production quality and efficiency of sponge titanium were improved.

CN223409693UActive Publication Date: 2025-10-03BEIJING IND DESIGNING & RESEARCHING INST
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Patent Information

Application Number
CN202422974466.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-10-03
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

In the existing technology, reduction and distillation cannot be processed in an integrated manner during the production of titanium sponge, and the temperature control effect is weak, resulting in a large number of impurities and reduced production quality and efficiency.

Method used

A reduction distillation furnace including a base, a processing shell, a refractory lining, a reactor and a heating mechanism was designed. Integrated heating was achieved through heating resistance wires and electric heaters, and the temperature was controlled by a cooling air outlet pipe to ensure the continuity and efficiency of the reduction and distillation processes.

Benefits of technology

The integrated reduction and distillation processing of sponge titanium has been realized, which improves the temperature control effect, reduces impurities, and improves production quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a reduction distillation furnace for producing titanium sponge, which belongs to the technical field of titanium sponge production and comprises a base. The machining shell is fixedly connected to the upper end of the base, a fixing seat is arranged on the inner surface of the base, and a heating resistance wire is arranged on the inner surface of the fixing seat; the fire-resistant furnace lining is fixedly connected to the inner surface of the fixed seat, a first reactor is fixedly connected to the upper inner wall of the fire-resistant furnace lining, and a partition plate is arranged at the lower end of the first reactor; the discharging pipe penetrates through the first reactor and the lower end of the partition plate, and the lower end of the partition plate is fixedly connected with a second reactor; according to the titanium sponge production device, production reduction and distillation of titanium sponge are integrally processed, meanwhile, the temperature control effect when the titanium sponge is heated is enhanced, and the problem that the produced titanium sponge has more impurities is solved, so that the production quality and the production processing efficiency of the titanium sponge are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of titanium sponge production, and particularly relates to a reduction distillation furnace for producing titanium sponge. Background Art

[0002] Titanium sponge is a porous titanium metal material that is an intermediate product in the production of pure titanium. The production of titanium sponge usually adopts the Kroll process, which is a two-stage process including reduction and distillation.

[0003] A reduction furnace and a distillation furnace are required for the production of titanium sponge, and reduction and distillation cannot be achieved in an integrated process. At the same time, the temperature control effect when heating titanium sponge is weak, resulting in more impurities in the production of titanium sponge, thereby reducing the production quality of titanium sponge and reducing the production and processing efficiency of titanium sponge. Utility Model Content

[0004] The purpose of the utility model is to provide a reduction distillation furnace for producing sponge titanium, aiming to solve the problems in the prior art that reduction and distillation cannot be achieved in an integrated process, and the temperature control effect when heating the sponge titanium is weak, resulting in more impurities in the sponge titanium, thereby reducing the production quality of the sponge titanium and reducing the production and processing efficiency of the sponge titanium.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A reduction distillation furnace for producing titanium sponge, comprising:

[0007] base;

[0008] A processing shell, the processing shell is fixedly connected to the upper end of the base, the inner surface of the base is provided with a fixing seat, and the inner surface of the fixing seat is provided with a heating resistance wire;

[0009] a refractory lining, the refractory lining being fixedly connected to the inner surface of the fixing base, the upper inner wall of the refractory lining being fixedly connected to a first reactor, and a partition being provided at the lower end of the first reactor;

[0010] a feed pipe, the feed pipe passing through the first reactor and the lower end of the partition, the lower end of the partition being fixedly connected to the second reactor; and

[0011] A heating mechanism is provided in the refractory lining to heat the interior of the first reactor and the second reactor.

[0012] As a preferred solution of the present invention, the heating mechanism includes:

[0013] A plurality of ceramic sheets, each of which is fixedly connected to the inner surface of the refractory furnace lining, and each of which is provided with a plurality of electric heaters at one end thereof;

[0014] A plurality of fixing devices are respectively arranged on the inner surfaces of a plurality of ceramic sheets, and one side end of the plurality of fixing devices is fixed by an anchoring screw.

[0015] As a preferred solution of the present invention, a sealing groove is provided at the upper end of the base, a sealing strip is provided on the inner surface of the sealing groove, and a plurality of support blocks are fixedly connected to the outer surface of the processing shell.

[0016] As a preferred solution of the present invention, a plurality of reinforcing ribs are fixedly connected to the upper end of the fixing seat, and a plurality of reinforcement rings are fixedly connected to the circumferential surfaces of the plurality of reinforcing ribs.

[0017] As a preferred solution of the present invention, the outer surfaces of the processing shell and the refractory furnace lining are provided with a cooling air outlet pipe and two blower interfaces, and one side end of the cooling air outlet pipe and the two blower interfaces passes through the outer surfaces of the processing shell and the refractory furnace lining.

[0018] As a preferred solution of the present invention, the circumferential surfaces of the two blower interfaces are threadedly connected to mounting seats, one side end of the two mounting seats is fixedly connected to a conical seat, and the outer surfaces of the two conical seats are threadedly connected to a conical shell.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. In this scheme, the power supply is connected by starting the heating resistance wire to provide initial heating to the bottom of the refractory lining, and then multiple electric heaters are powered on to heat the inside of the first reactor and the second reactor, so as to cooperate with the heating resistance wire to ensure that the heating temperature reaches the predetermined value, and then the reducing agent prepared by the material, such as metallic magnesium and raw materials, such as titanium tetrachloride, are added to the first reactor, and a reduction reaction is carried out at high temperature to generate sponge titanium, and then a distillation process is carried out. The generated sponge titanium enters the second reactor through the discharge pipe, and then continues to be heated. By-products such as magnesium chloride are removed through the distillation process. Finally, a cooling and collection stage is carried out, and the cooling air is discharged through the cooling air outlet pipe to help control the temperature in the furnace and complete the collection of pure sponge titanium. The production reduction and distillation of sponge titanium are integrated, and at the same time, the temperature control effect of the sponge titanium during heating is enhanced, and the problem of more impurities in the sponge titanium produced is reduced, thereby improving the production quality and production processing efficiency of sponge titanium.

[0021] 2. In this solution, the two conical seats are installed and fixed by two mounting seats. At the same time, two conical shells are installed on the surface of the two conical seats. The outer surfaces of the two conical seats and the two conical shells are conical in shape. The outer surfaces of the two conical seats are tightened or expanded by rotating the two conical shells, which facilitates installation and disassembly with an external blower. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a three-dimensional diagram of the utility model;

[0024] Figure 2 This is the first three-dimensional cross-sectional view of the utility model;

[0025] Figure 3 This is the second three-dimensional cross-sectional view of the utility model;

[0026] Figure 4 This is an exploded view of the utility model.

[0027] In the figure: 1. Base; 2. Processing shell; 3. Support block; 4. Refractory lining; 5. Blower interface; 6. Mounting seat; 7. Conical seat; 8. Conical shell; 9. Cooling air outlet pipe; 10. Sealing groove; 11. Sealing strip; 12. First reactor; 13. Partition; 14. Feeding pipe; 15. Second reactor; 16. Fixed seat; 17. Heating resistance wire; 18. Reinforcement ring; 19. Reinforcement rib; 20. Electric heater; 21. Ceramic sheet; 22. Fixing device. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] Example 1

[0030] See also Figure 1-4 , the utility model provides the following technical solutions:

[0031] A reduction distillation furnace for producing titanium sponge, comprising:

[0032] Base 1;

[0033] The processing shell 2 is fixedly connected to the upper end of the base 1. The inner surface of the base 1 is provided with a fixing seat 16. The inner surface of the fixing seat 16 is provided with a heating resistance wire 17.

[0034] The refractory lining 4 is fixedly connected to the inner surface of the fixing base 16. The upper inner wall of the refractory lining 4 is fixedly connected to the first reactor 12. The lower end of the first reactor 12 is provided with a partition 13.

[0035] A feed pipe 14, which passes through the first reactor 12 and the lower end of the partition 13, and the lower end of the partition 13 is fixedly connected to the second reactor 15; and

[0036] The heating mechanism is arranged in the refractory lining 4 to heat the interior of the first reactor 12 and the second reactor 15 .

[0037] In a specific embodiment of the present invention, a base 1 is provided to support the entire furnace structure, and a processing shell 2 is fixedly connected to the upper end of the base 1 to form the outer shell of the furnace, while protecting the components inside the furnace. A fixed seat 16 is provided in the base 1 to fix the refractory lining 4 and other internal components. A heating resistance wire 17 is provided on the inner surface of the fixed seat 16 to provide initial heating to the bottom of the refractory lining 4, thereby enhancing the temperature increase speed and temperature control efficiency of the device body. The refractory lining 4 is provided on the inner surface of the fixed seat 16 to protect the furnace body from high temperature and keep it from being affected by heat. The first reactor 12 is fixed on the upper part of the refractory lining 4, so as to be used as a reduction furnace for reduction reaction, and the partition 13 is located below the first reactor 12 and fixed inside the refractory lining 4, thereby completing the separation of different reaction areas in the internal space of the device, completing the integrated processing of the reduction furnace and the distillation furnace into one, and insulating the temperature inside the device, through the discharge pipe 14 passing through the first reactor 12 and the partition 13, and the interior of the discharge pipe 14 is provided with an electronic valve, so that the material can be controlled to be discharged from the first reactor 12 into the interior of the second reactor 15, through the second reactor 15 located below the partition 13 , continue the reaction or distillation process, and protect the multiple electric heaters 20 by setting up multiple ceramic sheets 21 to avoid local overheating and melting caused by contact with refractory fibers for further heating the inside of the reactor. At the same time, multiple fixing devices 22 are installed by multiple anchoring screws to complete the fixation of the multiple electric heaters 20. The first reactor 12 and the second reactor 15 inside the device are heated and temperature controlled according to the multiple electric heaters 20. The electrical control system inside the device is mainly composed of a heating power supply and distribution system, a temperature control system, a control system, etc., thereby strengthening the production and processing of sponge titanium. The temperature control efficiency is improved, and the production reduction and distillation of sponge titanium are processed in an integrated manner. At the same time, the temperature control effect when sponge titanium is heated is enhanced, and the problem of more impurities in the production of sponge titanium is reduced, thereby improving the production quality and production processing efficiency of sponge titanium. It needs to be explained that the specific types of refractory furnace lining 4, first reactor 12, second reactor 15, heating resistance wire 17 and electric heater 20 to be used are selected by relevant technical personnel familiar with this field, and the above-mentioned refractory furnace lining 4, first reactor 12, second reactor 15, heating resistance wire 17 and electric heater 20 are all existing technologies, and this solution will not go into details.

[0038] For details, please refer to Figure 4 , the heating mechanism includes:

[0039] A plurality of ceramic sheets 21, each of which is fixedly connected to the inner surface of the refractory furnace lining 4, and a plurality of electric heaters 20 are respectively provided on one side end of each of the plurality of ceramic sheets 21;

[0040] Multiple fixing devices 22 are respectively arranged on the inner surfaces of the multiple ceramic sheets 21 , and one side end of the multiple fixing devices 22 is fixed by an anchor screw.

[0041] In this embodiment: multiple ceramic sheets 21 are provided to protect the multiple electric heaters 20, avoiding local overheating and melting caused by contact with refractory fibers to further heat the interior of the reactor. At the same time, multiple fixing devices 22 are installed by multiple anchoring screws to complete the fixation of the multiple electric heaters 20, and the interior of the first reactor 12 and the second reactor 15 inside the device are heated and temperature controlled according to the multiple electric heaters 20.

[0042] For details, please refer to Figure 4 A sealing groove 10 is provided at the upper end of the base 1 , a sealing strip 11 is provided on the inner surface of the sealing groove 10 , and a plurality of support blocks 3 are fixedly connected to the outer surface of the processing shell 2 .

[0043] In this embodiment: a sealing groove 10 is opened at the upper end of the base 1 for installing a sealing strip 11. The sealing strip 11 ensures the sealing of the furnace body, avoids the heat loss inside the furnace body that reduces the production quality of sponge titanium, and strengthens the stability of the processing shell 2 according to the fixed multiple support blocks 3.

[0044] For details, please refer to Figure 4 The upper end of the fixing seat 16 is fixedly connected with a plurality of reinforcing ribs 19 , and the circumferential surfaces of the plurality of reinforcing ribs 19 are fixedly connected with a plurality of reinforcement rings 18 .

[0045] In this embodiment, the reinforcing rib 19 is fixedly connected to the upper end of the fixing seat 16 to increase the structural strength, and the reinforcement ring 18 is fixedly connected to the circumferential surface of the reinforcing rib 19 to further enhance the structural stability.

[0046] For details, please refer to Figure 2 The outer surfaces of the processing shell 2 and the refractory lining 4 are provided with a cooling air outlet pipe 9 and two blower interfaces 5, and one side end of the cooling air outlet pipe 9 and the two blower interfaces 5 penetrates the outer surface of the processing shell 2 and the refractory lining 4.

[0047] In this embodiment: the cooling air outlet pipe 9 and the two blower interfaces 5 penetrate the outer surface of the processing shell 2 and the refractory furnace lining 4, so that the two blower interfaces 5 and the external blower are connected, thereby dissipating heat and cooling the upper part of the first reactor 12 in the furnace. At the same time, the cooling air outlet pipe 9 is provided to discharge the cooling air inside the furnace body to avoid affecting the internal temperature of the first reactor 12 inside the furnace body.

[0048] For details, please refer to Figure 4The circumferential surfaces of the two blower interfaces 5 are threadedly connected to the mounting seats 6, one side end of the two mounting seats 6 is fixedly connected to the conical seat 7, and the outer surfaces of the two conical seats 7 are threadedly connected to the conical shell 8.

[0049] In this embodiment: the two conical seats 7 are installed and fixed by two mounting seats 6, and two conical shells 8 are installed on the surface of the two conical seats 7. The outer surfaces of the two conical seats 7 and the two conical shells 8 are both conical in shape. The outer surfaces of the two conical seats 7 are tightened or expanded by rotating the two conical shells 8, thereby facilitating installation and disassembly with an external blower.

[0050] The working principle and usage process of the present invention are as follows: first, the electric heater 20 and the ceramic sheet 21 are installed and fixed by the fixing device 22 to ensure that the heating resistance wire 17 is correctly installed and connected to the power supply. The required reducing agent such as metallic magnesium and raw materials such as titanium tetrachloride are prepared, and then the power is turned on for heating. The interior of the first reactor 12 and the second reactor 15 are heated by multiple electric heaters 20, thereby cooperating with the heating resistance wire 17 to ensure that the heating temperature reaches a predetermined value. Then, the raw materials and the reducing agent are added to the first reactor 12, and a reduction reaction is carried out at a high temperature to generate sponge titanium. Then, a distillation process is carried out, and the generated sponge titanium enters the second reactor 15 through the discharge pipe 14, and then heating is continued. By-products such as magnesium chloride are removed through the distillation process. Finally, a cooling and collection stage is carried out, and the cooling air is discharged through the cooling air outlet pipe 9 to help control the temperature in the furnace and complete the collection of pure sponge titanium.

[0051] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A reduction distillation furnace for producing titanium sponge, characterized in that: include: Base (1); A processing shell (2), the processing shell (2) is fixedly connected to the upper end of the base (1), the inner surface of the base (1) is provided with a fixing seat (16), and the inner surface of the fixing seat (16) is provided with a heating resistance wire (17); A refractory furnace lining (4), the refractory furnace lining (4) being fixedly connected to the inner surface of a fixing seat (16), the upper inner wall of the refractory furnace lining (4) being fixedly connected to a first reactor (12), and a partition (13) being provided at the lower end of the first reactor (12); a feed pipe (14), the feed pipe (14) passing through the first reactor (12) and the lower end of the partition (13), the lower end of the partition (13) being fixedly connected to the second reactor (15); and A heating mechanism is provided in the refractory furnace lining (4) to heat the interior of the first reactor (12) and the second reactor (15).

2. A reduction distillation furnace for producing titanium sponge according to claim 1, characterized in that: The heating mechanism comprises: A plurality of ceramic sheets (21), each of the plurality of ceramic sheets (21) being fixedly connected to the inner surface of the refractory furnace lining (4), and each of the plurality of ceramic sheets (21) being provided with a plurality of electric heaters (20); A plurality of fixing devices (22) are provided, wherein the plurality of fixing devices (22) are respectively arranged on the inner surfaces of the plurality of ceramic sheets (21), and one side end of the plurality of fixing devices (22) is fixed by an anchoring screw.

3. A reduction distillation furnace for producing titanium sponge according to claim 2, characterized in that: A sealing groove (10) is provided at the upper end of the base (1), a sealing strip (11) is provided on the inner surface of the sealing groove (10), and a plurality of support blocks (3) are fixedly connected to the outer surface of the processing shell (2).

4. A reduction distillation furnace for producing titanium sponge according to claim 3, characterized in that: The upper end of the fixing seat (16) is fixedly connected to a plurality of reinforcing ribs (19), and the circumferential surfaces of the plurality of reinforcing ribs (19) are fixedly connected to a plurality of reinforcing rings (18).

5. A reduction distillation furnace for producing titanium sponge according to claim 4, characterized in that: The outer surfaces of the processing shell (2) and the refractory furnace lining (4) are both provided with a cooling air outlet pipe (9) and two blower interfaces (5), and one side end of the cooling air outlet pipe (9) and the two blower interfaces (5) both penetrate the outer surfaces of the processing shell (2) and the refractory furnace lining (4).

6. A reduction distillation furnace for producing titanium sponge according to claim 5, characterized in that: The circumferential surfaces of the two blower interfaces (5) are both threadedly connected to mounting seats (6), one side end of the two mounting seats (6) is fixedly connected to a conical seat (7), and the outer surfaces of the two conical seats (7) are both threadedly connected to a conical shell (8).