Molybdenum trioxide reduction furnace tube

Abstract

The utility model discloses a molybdenum trioxide reduction furnace tube which comprises a supporting furnace base, the supporting furnace base is a supporting plate block of a rectangular structure, a heating unit is arranged on the supporting furnace base, a furnace tube body is wrapped in the heating unit, and the furnace tube body is of a circular tube type glass structure. The utility model relates to the technical field of reduction furnaces, in particular to a molybdenum trioxide reduction furnace tube, which is characterized in that two ends of a furnace tube main body are connected with a pair of metal sealing heads through a pair of metal butt joints, so that the reduction furnace tube is sealed; the synchronous driving assembly is used for synchronously driving the positioning bolts of the butt joint rod pieces to rotate synchronously, so that the multiple positioning bolts are meshed with the positioning nuts, and the consistency of multiple positioning positions is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reduction furnaces, in particular to a molybdenum trioxide reduction furnace tube. Background Art

[0002] Molybdenum trioxide is an inorganic compound. In the current preparation process of molybdenum trioxide, the use of molybdenum powder oxidation to prepare molybdenum trioxide is a common processing method. At present, a reduction furnace is needed for the oxidation and reduction of molybdenum powder. The reduction furnace mainly includes a sleeve, an agitator and a heat transfer device. When the reduction furnace prepares molybdenum trioxide, the furnace tube of the reduction furnace is the reaction container space. In the current preparation process of molybdenum trioxide, the furnace tube of the reduction furnace needs to be connected with a flange to ensure the sealing inside the furnace tube because oxygen needs to be introduced. However, the head end flange connection of the existing reduction furnace tube needs to be fixed with multiple bolts in different directions, and only by maintaining consistency can the sealing of the flange be guaranteed. This operation is very cumbersome, and insufficient consistency of the bolts will lead to leakage, resulting in production accidents. In view of this, in-depth research was conducted on the above-mentioned problems, and thus this case was produced. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a molybdenum trioxide reduction furnace tube, which solves the problems of the prior art.

[0004] To achieve the above purpose, the utility model is implemented by the following technical solutions: a molybdenum trioxide reduction furnace tube, comprising a supporting furnace seat, the supporting furnace seat is a supporting plate of a rectangular structure, a heating unit is arranged on the supporting furnace seat, a furnace tube body is wrapped in the heating unit, and the furnace tube body is a round tube glass structure;

[0005] A pair of metal butt joints are provided at both ends of the furnace tube body, and a pair of first connecting flanges are connected to the pair of metal butt joints;

[0006] A pair of metal butt joints are connected with a pair of metal sealing heads, a pair of the metal sealing heads are provided with a pair of second connecting flanges, and the pair of the first connecting flanges corresponds to the pair of the second connecting flanges;

[0007] The metal butt joint has no less than three butt rods arranged in a circular array, the head end of the butt rod extends to one side of the first connection flange, the butt rod is movably connected to one end of the metal butt joint, a positioning bolt is connected inside the movable end of the butt rod, and the second connection flange is provided with a plurality of positioning holes corresponding to the positions of the plurality of positioning bolts;

[0008] The plurality of butt joint rods are driven by a synchronous driving assembly arranged on the metal butt joint.

[0009] Preferably, a positioning nut is provided on one side of the positioning hole on the second connecting flange, and the positioning nut corresponds to the positioning bolt.

[0010] Preferably, the docking rod is a tubular structure, both ends of the docking rod are flexibly connected via a socket structure, and the fixed end of the docking rod is fixedly connected to the first connecting flange.

[0011] Preferably, the metal butt joint is provided with a movable seat movably connected to the movable end of the butt joint rod.

[0012] Preferably, the synchronous drive assembly includes a rotating ring groove, a rotating ring groove is opened at the transition between the metal docking joint and the first connecting flange, a rotating gear is sleeved on the rotating ring groove, a synchronous gear is sleeved on the outside of the docking rod and meshes with the rotating gear, and an adjusting rotary sleeve coaxially extends from one side of the rotating gear and is sleeved outside the first connecting flange. Beneficial Effects

[0013] The utility model provides a molybdenum trioxide reduction furnace tube. The molybdenum trioxide reduction furnace tube has the following beneficial effects: the molybdenum trioxide reduction furnace tube is connected to a pair of metal sealing heads at both ends of the furnace tube body by a pair of metal butt joints to achieve sealing of the reduction furnace tube, a butt rod is arranged on the metal butt head, and a synchronous drive assembly is used to synchronously drive the positioning bolts of the butt rod to rotate synchronously, so that a plurality of positioning bolts are engaged with the positioning nuts, thereby improving the consistency of a plurality of positioning positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of a molybdenum trioxide reduction furnace tube described in the utility model.

[0015] Figure 2 The utility model is a three-dimensional structural schematic diagram of a molybdenum trioxide reduction furnace tube.

[0016] Figure 3 It is a partial three-dimensional structural schematic diagram of a molybdenum trioxide reduction furnace tube described in the utility model.

[0017] In the figure: 1. supporting furnace base; 2. heating unit; 3. metal butt joint; 4. first connecting flange; 5. metal sealing head; 6. second connecting flange; 7. butt rod; 8. positioning bolt; 9. positioning nut; 10. adjusting rotary sleeve; 11. rotating gear; 12. synchronous gear; 13. furnace tube body. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 The utility model provides an implementation scheme: in the preparation process of molybdenum trioxide, it is a common preparation method to prepare molybdenum trioxide by reducing molybdenum powder. The preparation technology adopted in the above preparation is mainly realized by a reduction furnace. Since the furnace tube of the existing molybdenum trioxide reduction furnace needs to be injected with oxygen, it is necessary to connect the reduction furnace tube with a flange joint. The existing connection method between the reduction furnace tube and the flange mainly adopts a plurality of bolts for connection, and it is necessary to maintain the consistency of the plurality of bolts. This connection method is not convenient to operate. Therefore, the application discloses a molybdenum trioxide reduction furnace tube. The reduction furnace is generated by a supporting furnace seat 1 and a heating unit 2. The supporting furnace seat 1 adopts a buckle cover structure. A heating unit 2 is arranged between the buckle cover and the main body. The heating unit 2 adopts a wrapped structure; the furnace tube main body 13 is inserted between the heating units 2, and the furnace tube main body 13 is a round tube glass structure;

[0020] According to the instruction manual Figure 1-3 It can be seen that a pair of metal butt joints 3 are provided at both ends of the furnace tube body 13, and a pair of first connecting flanges 4 are connected to the pair of metal butt joints 3; a pair of metal sealing heads 5 are connected to the pair of metal butt joints 3, and a pair of second connecting flanges 6 are provided on the pair of metal sealing heads 5, and the pair of first connecting flanges 4 correspond to the pair of second connecting flanges 6;

[0021] In the specific implementation process, the first connecting flange 4 is butted with the second connecting flange 6, so that the metal sealing head 5 is connected to the metal butt joint 3, so as to achieve sealing of both ends of the furnace tube body 13, one side of the metal sealing head 5 is connected to the oxygen supply pipe, and oxygen is pumped into the furnace tube body 13 through the oxygen supply pipe. The furnace tube body 13 is filled with molybdenum powder, and the furnace tube body 13 is heated by the heating unit 2, so that the molybdenum powder and oxygen are oxidized and reduced to prepare molybdenum trioxide;

[0022] According to the instruction manual Figure 1-3 It can be seen that at least three docking rods 7 are arranged in a circular array on the metal docking joint 3, the head end of the docking rod 7 extends to one side of the first connecting flange 4, the docking rod 7 is movably connected to one end of the metal docking joint 3, a positioning bolt 8 is connected inside the movable end of the docking rod 7, and a plurality of positioning holes are opened on the second connecting flange 6 corresponding to the positions of the plurality of positioning bolts 8;

[0023] During the specific implementation process, the butt connection between the metal butt joint 3 and the metal sealing head 5 is connected by a butt rod 7 for pulling. The butt rod 7 is divided into a fixed end and a movable end. The movable end of the butt rod 7 is connected to the metal butt joint 3, and the fixed end is connected to the first connecting flange 4. The positioning bolt 8 of the butt rod 7 is rotated, so that the positioning bolt 8 is connected to the second connecting flange 6. In order to improve the connection sealing between the furnace tube body 13 and the metal sealing head 5, multiple butt rods 7 are driven by a synchronous drive assembly arranged on the metal butt joint 3. The multiple butt rods 7 are synchronously driven by the synchronous drive assembly, so that the multiple butt rods 7 synchronously drive the multiple positioning bolts 8 to rotate, thereby realizing pulling of the second connecting flange 6.

[0024] As a preferred solution, further, a positioning nut 9 is provided on one side of the positioning hole on the second connecting flange 6, and the positioning nut 9 corresponds to the positioning bolt 8. During installation, the positioning bolt 8 is engaged with the positioning nut 9, so that the positioning bolt 8 pulls the positioning nut 9 to drive the second connecting flange 6 to move toward the side of the first connecting flange 4, thereby making the first connecting flange 4 and the second connecting flange 6 relatively fit.

[0025] As a preferred solution, further, the docking rod 7 is a tubular structure, the two ends of the docking rod 7 are flexibly connected through a socket structure, the fixed end of the docking rod 7 is fixedly connected to the first connecting flange 4, and the fixed end of the docking rod 7 serves as a guide and limit for the positioning bolt 8 in the docking rod 7.

[0026] As a preferred solution, further, a movable seat is provided on the metal butt joint 3 and is movably connected to the movable end of the butt rod 7 .

[0027] As a preferred embodiment, further, the synchronous drive assembly includes a rotating ring groove, a rotating ring groove is opened at the transition between the metal docking joint 3 and the first connecting flange 4, a rotating gear 11 is sleeved on the rotating ring groove, a synchronous gear 12 is sleeved on the outside of the docking rod 7 and meshes with the rotating gear 11, and an adjusting rotary sleeve 10 coaxially extends from one side of the rotating gear 11 and is sleeved outside the first connecting flange 4.

[0028] During the specific implementation process, the adjusting sleeve 10 is rotated to make the adjusting sleeve drive the rotating gear 11 to rotate, so that the rotating gear 11 is meshed with the synchronous gear 12, and then the synchronous gear 12 is rotated synchronously to make the multiple docking rods 7 rotate synchronously, so that the multiple docking rods 7 drive the multiple positioning bolts 8 to rotate synchronously, so that the multiple positioning bolts 8 are meshed with the multiple positioning nuts 9 synchronously, and then the second connecting flange 6 and the first connecting flange 4 are pulled against each other. Through the synchronous movement of the synchronous gear 12 and the rotating gear 11, the consistency of the multiple positioning bolts 8 is increased, and the operation is convenient and the connection is simple.

[0029] From the above, it can be generally known that the molybdenum trioxide reduction furnace tube is connected with a pair of metal joints 3 and a pair of metal sealing heads 5 at both ends of the furnace tube body 13 to achieve sealing of the reduction furnace tube. A docking rod 7 is provided on the metal joint 3. The positioning bolts 8 of the docking rod 7 are synchronously driven by a synchronous drive assembly to rotate synchronously, so that multiple positioning bolts 8 are engaged with the positioning nuts 9, thereby improving the consistency of multiple positioning positions.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A molybdenum trioxide reduction furnace tube, comprising a supporting furnace seat (1), wherein the supporting furnace seat (1) is a supporting plate of a rectangular structure, a heating unit (2) is arranged on the supporting furnace seat (1), and a furnace tube body (13) is wrapped in the heating unit (2), characterized in that: The furnace tube body (13) is a round tube glass structure; A pair of metal butt joints (3) are provided at both ends of the furnace tube body (13), and a pair of first connecting flanges (4) are connected to the pair of metal butt joints (3); A pair of metal butt joints (3) are connected to a pair of metal sealing heads (5), a pair of second connecting flanges (6) are provided on the pair of metal sealing heads (5), and the pair of first connecting flanges (4) correspond to the pair of second connecting flanges (6); No less than three docking rods (7) are arranged in a circular array on the metal docking joint (3), the head end of the docking rod (7) extends to one side of the first connecting flange (4), the docking rod (7) is movably connected to the metal docking joint (3) at one end, a positioning bolt (8) is connected inside the movable end of the docking rod (7), and the second connecting flange (6) is provided with a plurality of positioning holes corresponding to the positions of the plurality of positioning bolts (8); The plurality of docking rods (7) are driven by a synchronous drive assembly arranged on the metal docking joint (3).

2. A molybdenum trioxide reduction furnace tube according to claim 1, characterized in that: A positioning nut (9) is provided on one side of the positioning hole on the second connecting flange (6), and the positioning nut (9) corresponds to the positioning bolt (8).

3. A molybdenum trioxide reduction furnace tube according to claim 2, characterized in that: The butt-jointing rod (7) is a tubular structure, the two ends of the butt-jointing rod (7) are flexibly connected via a socket structure, and the fixed end of the butt-jointing rod (7) is fixedly connected to the first connecting flange (4).

4. A molybdenum trioxide reduction furnace tube according to claim 3, characterized in that: The metal butt joint (3) is provided with a movable seat which is movably connected to the movable end of the butt joint rod (7).

5. A molybdenum trioxide reduction furnace tube according to claim 4, characterized in that: The synchronous drive assembly comprises a rotating ring groove, a rotating ring groove is provided at a transition point between the metal butt joint (3) and the first connecting flange (4), a rotating gear (11) is sleeved on the rotating ring groove, a synchronous gear (12) is sleeved on the outside of the butt joint rod (7) and meshes with the rotating gear (11), and an adjusting rotary sleeve (10) coaxially extends from one side of the rotating gear (11) and is sleeved outside the first connecting flange (4).

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