Molten salt electrolysis polar plate heating device for producing carbon nanomaterials

By designing a molten salt electrolytic plate heating device including a heating table bracket, an intermediate frequency electric furnace and a thermal insulation cover, preheating the plate, the problem of molten salt electrolytic plate bursting when the temperature suddenly changes, ensuring carbon nanometers Normal production of materials.

CN222139298UActive Publication Date: 2024-12-10SHANXI CLEAN CARBON ECONOMY IND RES INST CO LTD
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Patent Information

Application Number
CN202420852911.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2024-12-10
Estimated Expiration
2034-04-23

AI Technical Summary

Technical Problem

During the process of electrochemical conversion of CO2 to synthesis of carbon materials at high temperature molten salt, the molten salt electrolytic plate is prone to explode when the temperature changes suddenly, resulting in the inability to proceed normally.

Method used

A molten salt electrolytic plate heating device including heating table bracket, medium frequency electric heating furnace, plate and thermal insulation cover is designed. Preheating the plate through vertical electric heating coil and lead screw mechanical system to avoid temperature mutation.

Benefits of technology

Effectively preheat the molten salt electrolytic plate to prevent explosion and ensure the normal progress of the electrolytic process. It has a simple structure and convenient operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a molten salt electrolysis polar plate heating device for producing carbon nanomaterials, and solves the problem of how to prevent a molten salt electrolysis polar plate from exploding in a temperature sudden change state. A polar plate hanging bracket (8) is arranged on the base plate (2) on the outer side of the central through hole (3), the polar plate hanging bracket (8) is composed of a lead screw lower supporting plate (10), a lead screw upper supporting plate (13) and two vertical guide rods (12) which are parallel to each other, a lead screw (11) is movably arranged between the lead screw lower supporting plate (10) and the lead screw upper supporting plate (13), a lead screw nut lifting plate (14) is in threaded connection with the lead screw (11), and the lead screw nut lifting plate (14) is in threaded connection with the lead screw nut lifting plate (14). A zigzag cantilever (16) is fixedly connected to the inner side of the lead screw nut lifting plate (14), a pole plate (9) is connected to the inner side end of the zigzag cantilever (16) in a hanging mode, and the pole plate (9) is arranged in an electric heating coil (7); and the phenomenon that the polar plate is exploded under the state of sudden temperature change is avoided.
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Description

Technical Field

[0001] The utility model relates to molten salt electrolysis furnace equipment, in particular to a molten salt electrolysis plate heating device for producing carbon nano materials. Background Art

[0002] In the process of electrochemical conversion of CO2 into carbon materials using high-temperature molten salt, factors such as electrolysis temperature, electrode potential and molten salt composition will affect the morphology, pore structure and specific surface area of ​​carbon nanomaterials, and thus affect their performance and application; the existing production process for preparing carbon nanomaterials is to directly place the molten salt electrolysis electrode plate into a crucible carrying carbonate molten salt, pass CO2 gas into the crucible, and electrolyze to obtain carbon nanomaterials; this production method has the following problems: since the electrode plate is at room temperature before being placed in the crucible, and the temperature of the carbonate molten salt in the crucible is as high as over 700 degrees Celsius, the molten salt electrolysis electrode plate is very likely to explode when the temperature suddenly changes, resulting in the inability to proceed with subsequent electrolysis normally. Summary of the invention

[0003] The utility model provides a molten salt electrolysis plate heating device for producing carbon nanometer materials, which solves the technical problem of how to prevent the molten salt electrolysis plate from bursting under the state of sudden temperature change.

[0004] The utility model solves the above technical problems through the following technical solutions:

[0005] A molten salt electrolysis plate heating device for producing carbon nanomaterials, comprising a heating workbench support, a medium-frequency electric heating furnace, a plate and a heat preservation cover, wherein a vertically upward electric heating coil is arranged on the medium-frequency electric heating furnace, a base plate is arranged on the top surface of the heating workbench support, a central through hole is arranged on the base plate, a plate hanger is arranged on the base plate outside the central through hole, the plate hanger is composed of a screw lower support plate, a screw upper support plate and two vertical guide rods parallel to each other, two vertical guide rods parallel to each other are fixedly arranged on the screw lower support plate, a screw upper support plate is arranged on the top of the two vertical guide rods parallel to each other, and the screw lower support plate and the screw upper support plate are connected to each other. A lead screw is movably arranged between the plates, a lead screw motor is connected to the upper end of the lead screw, a lead screw nut lifting plate is screwed on the lead screw, a pair of guide through holes are arranged on the lead screw nut lifting plate, the lead screw nut lifting plate is movably connected to the vertical guide rod through the guide through holes, a zigzag cantilever is fixedly connected to the inner side of the lead screw nut lifting plate, and a pole plate is suspended at the inner end of the zigzag cantilever; the electric heating coil is arranged above the base plate after passing through the central through hole from bottom to top, and the pole plate is arranged in the electric heating coil; a thermal insulation cover is buckled on the base plate, and the electric heating coil, the pole plate, the lead screw lower support plate, the lead screw upper support plate and the two vertical guide rods are all buckled in the thermal insulation cover.

[0006] A cantilever supporting cross bar is arranged in the middle of the zigzag cantilever, a cantilever supporting cross bar through hole is arranged at the outer end of the cantilever supporting cross bar, and the outer end of the cantilever supporting cross bar is movably sleeved on the vertical guide rod through the cantilever supporting cross bar through the cantilever supporting cross bar through hole; the medium frequency electric heating furnace is arranged on a liftable bracket; the lower end of the heat preservation cover body is clamped together with the base plate.

[0007] The utility model realizes effective preheating of the molten salt electrolysis electrode plate before entering the high-temperature carbonate molten salt in the crucible, avoids the electrode plate from bursting under the state of sudden temperature change, has a simple structure, and is easy and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a structural schematic diagram of the pole plate hanger 8 of the utility model;

[0010] Figure 3 It is a structural schematic diagram of the medium frequency electric heating furnace 6 of the utility model. DETAILED DESCRIPTION

[0011] The utility model is described in detail below with reference to the accompanying drawings:

[0012] A molten salt electrolysis plate heating device for producing carbon nanomaterials, comprising a heating workbench support 1, a medium-frequency electric heating furnace 6, a plate 9 and a heat-insulating cover 4, wherein a vertically upward electric heating coil 7 is arranged on the medium-frequency electric heating furnace 6, and the vertically upward electric heating coil 7 can be raised or lowered by an electrically controlled lifting support 5, and a base plate 2 is arranged on the top surface of the heating workbench support 1, and the base plate 2 can serve as a common supporting base for a plate hanger 8 and a heat-insulating cover 4, and a central through hole 3 is arranged on the base plate 2, and the electric heating coil 7 can rise through the central through hole 3 and enter the bottom Above the seat plate 2, a pole plate hanger 8 is arranged on the base plate 2 outside the central through hole 3. The pole plate hanger 8 is a vertically arranged rectangular frame composed of a lower support plate 10 for a lead screw, an upper support plate 13 for a lead screw and two vertical guide rods 12 parallel to each other. Two vertical guide rods 12 parallel to each other are fixedly arranged on the lower support plate 10 for a lead screw, an upper support plate 13 for a lead screw is arranged at the top of the two vertical guide rods 12 parallel to each other, a lead screw 11 is movably arranged between the lower support plate 10 for a lead screw and the upper support plate 13 for a lead screw, and a lead screw motor 15 is connected to the upper end of the lead screw 11. The lead screw 11 is driven by a motor 15 to rotate between the lower support plate 10 and the upper support plate 13 of the lead screw. A lead screw nut lifting plate 14 is screwed on the lead screw 11. When the lead screw 11 rotates forward, the lead screw nut lifting plate 14 rises upward. When the lead screw 11 rotates reversely, the lead screw nut lifting plate 14 falls. A pair of guide through holes is provided on the lead screw nut lifting plate 14. The lead screw nut lifting plate 14 is movably connected to the vertical guide rod 12 through the guide through holes. The vertical guide rod 12 guides the lifting and lowering of the lead screw nut lifting plate 14. A zigzag cantilever 16 is fixedly connected to the inner side, and a pole plate 9 is suspended at the inner end of the zigzag cantilever 16; the electric heating coil 7 is arranged above the base plate 2 after passing through the central through hole 3 from bottom to top, and the pole plate 9 is arranged in the electric heating coil 7; a thermal insulation cover 4 is buckled on the base plate 2, and the electric heating coil 7, the pole plate 9, the lower support plate 10 of the screw, the upper support plate 13 of the screw and the two vertical guide rods 12 are all buckled in the thermal insulation cover 4; when the medium frequency electric heating furnace 6 is started, the electric heating coil 7 preheats the pole plate 9, and the thermal insulation cover 4 plays a role of heat preservation during preheating.

[0013] A cantilever support cross bar 17 is arranged in the middle of the zigzag cantilever 16, and a cantilever support cross bar through hole is arranged at the outer end of the cantilever support cross bar 17, and the outer end of the cantilever support cross bar 17 is movably sleeved on the vertical guide rod 12 through the cantilever support cross bar through hole; the medium frequency electric heating furnace 6 is arranged on the liftable bracket 5; the lower end of the heat preservation cover body 4 is clamped together with the base plate 2; 2-3 zigzag cantilevers 16 can be arranged at intervals on the inner side of the screw nut lifting plate 14; another pole plate hanger can also be arranged on the base plate 2 outside in the other direction of the central through hole 3, and the structure of the other pole plate hanger is exactly the same as that of the pole plate hanger 8, so as to realize preheating of 5-6 pole plates at the same time; the structure of the other pole plate hanger is the same as that of the pole plate hanger 8. On the two hangers, one is for hanging 3 cathode plates and the other is for hanging 2 anode plates, so as to realize preheating of 5 pole plates at the same time.

Claims

1. A molten salt electrolysis plate heating device for producing carbon nanomaterials, comprising a heating workbench support (1), a medium-frequency electric heating furnace (6), a plate (9) and a heat-insulating cover (4), wherein a vertically upward electric heating coil (7) is arranged on the medium-frequency electric heating furnace (6), and the device is characterized in that: A base plate (2) is arranged on the top surface of the heating workbench bracket (1), a central through hole (3) is arranged on the base plate (2), and a plate hanger (8) is arranged on the base plate (2) outside the central through hole (3), the plate hanger (8) is composed of a screw lower support plate (10), a screw upper support plate (13) and two vertical guide rods (12) parallel to each other, two vertical guide rods (12) parallel to each other are fixedly arranged on the screw lower support plate (10), a screw upper support plate (13) is arranged at the top of the two vertical guide rods (12) parallel to each other, a screw (11) is movably arranged between the screw lower support plate (10) and the screw upper support plate (13), a screw motor (15) is connected to the upper end of the screw (11), and a screw (11) is screwed to the screw (11). A lead screw nut lifting plate (14) is provided with a pair of guide through holes, the lead screw nut lifting plate (14) is movably connected to the vertical guide rod (12) through the guide through holes, a zigzag cantilever (16) is fixedly connected to the inner side of the lead screw nut lifting plate (14), and a pole plate (9) is suspended at the inner side end of the zigzag cantilever (16); the electric heating coil (7) passes through the central through hole (3) from bottom to top and is arranged above the base plate (2), and the pole plate (9) is arranged in the electric heating coil (7); a heat preservation cover (4) is buckled on the base plate (2), and the electric heating coil (7), the pole plate (9), the lead screw lower support plate (10), the lead screw upper support plate (13) and the two vertical guide rods (12) are all buckled in the heat preservation cover (4).

2. The molten salt electrolysis plate heating device for producing carbon nanomaterials according to claim 1, characterized in that: A cantilever support cross bar (17) is arranged in the middle of the zigzag cantilever (16), a cantilever support cross bar through hole is arranged at the outer end of the cantilever support cross bar (17), and the outer end of the cantilever support cross bar (17) is movably sleeved on the vertical guide rod (12) through the cantilever support cross bar through hole; the medium frequency electric heating furnace (6) is arranged on the liftable bracket (5); and the lower end of the heat preservation cover body (4) is clamped together with the base plate (2).