Solid-liquid separation device for molybdic acid production

Abstract

The utility model discloses a solid-liquid separation device for molybdic acid production, which comprises a separation silo and a filter cartridge, a rotary support member is arranged at the upper end of the separation silo, a fixing ring is arranged at the upper end of the filter cartridge, handles are symmetrically arranged on the fixing ring, the fixing ring is inserted into the upper end of a rotary part of the rotary support member, and the rotary part of the rotary support member is connected with the filter cartridge. The utility model relates to the technical field of molybdic acid production, acidified solid-liquid mixed products are guided into the filter cartridge, the rotary driving mechanism at the lower part of the separation silo is started, the rotary driving mechanism is utilized to drive the rotating frame and the filter cartridge to rotate at a high speed, and then the solid-liquid mixed products are separated from the filter cartridge under the driving of centrifugal force. The liquid part in the mixture enters the gap part between the filter cartridge and the separation silo and is further collected to the lower part of the separation silo under the action of gravity, so that the quick separation operation of solid crystal particles and liquid is realized, the structure is simple, and the operation is reliable.

Description

TECHNICAL FIELD

[0001] The utility model relates to molybdic acid production technical field, concretely is a kind of solid-liquid separation device for molybdic acid production. BACKGROUND

[0002] Molybdic acid is an important chemical intermediate, widely used in various industrial fields. At present, the common preparation method of high-purity molybdic acid is to add flaky sodium hydroxide to molybdate solution for pretreatment and evaporation, and when the crystal appears, it is dissolved with pure water, and then acidified with nitric acid, and then solid-liquid separation, drying, to obtain high-purity molybdic acid. However, the existing solid-liquid separation device is mostly relied on the filter screen to precipitate and filter when the acidified solid-liquid mixed product is introduced, and it takes a lot of time to wait for the liquid part to be completely filtered out, which slows down the solid-liquid separation speed and reduces the separation efficiency. Moreover, the existing solid-liquid separation device is difficult to remove the filter screen, and the separated solid crystals cannot be quickly discharged, which affects the overall efficiency of the separation operation. In view of this, the above problems are studied in depth, and the present case is generated. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a solid-liquid separation device for molybdic acid production, which solves the problems raised in the background art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: a solid-liquid separation device for molybdic acid production, comprising a separation silo and a filter cartridge, a rotating support member is arranged at the upper end of the separation silo, a fixed ring is arranged at the upper end of the filter cartridge, a handle is symmetrically arranged on the fixed ring, the fixed ring is inserted on the upper end of the rotating part of the rotating support member, a rotary drive mechanism is arranged at the lower part of the separation silo, the output end of the rotary drive mechanism penetrates the lower end surface of the separation silo and extends into the separation silo, a rotating frame is arranged on the output end of the rotary drive mechanism, the upper end of the rotating frame is connected with the lower end of the rotating part of the rotating support member, a cross-limiting plug is arranged on the rotating frame, a cross-limiting plug sleeve matched with the cross-limiting plug is arranged at the lower end of the filter cartridge, an assembly seat is arranged in the filter cartridge, and a conical filter pipe column is installed on the assembly seat.

[0005] The rotating support member comprises an annular guide rail, an arc-shaped sliding block and a rotating ring, the annular guide rail is arranged at the upper end of the separation silo, the arc-shaped sliding block is arranged in an annular array on the annular guide rail, and the rotating ring is installed on the arc-shaped sliding block.

[0006] The cross section of the rotating ring is L-shaped, limiting pins are uniformly arranged on the upper end surface of the rotating ring, and through holes are formed on the fixed ring corresponding to the positions of the limiting pins.

[0007] The center position of the lower end surface of the separation silo is provided with a conical boss, a fixed shaft is assembled at the position of the conical boss through a sealing seat, the lower end of the fixed shaft is connected with the rotary drive mechanism, and the upper end of the fixed shaft is connected with the rotating frame.

[0008] The lower end surface of the separation silo is provided with a liquid discharge port on the side of the conical boss, and the lower end of the liquid discharge port is connected with a liquid discharge pipeline.

[0009] The filter cylinder and the conical filter pipe column are both in a stainless steel hole plate pipe column structure.

[0010] The utility model provides a kind of solid-liquid separation device for molybdic acid production.It has the following beneficial effects: the solid-liquid separation device for molybdic acid production is provided with rotatable rotating frame in separation silo, rotating frame top is connected with the rotation of rotating support component, filter cylinder is placed in separation silo and then is fixed by the upper end of its fixed ring and the upper end of the rotation of rotating support component, solid-liquid mixed product after acidification is introduced into filter cylinder, rotary drive mechanism in separation silo lower part is started, rotating frame and filter cylinder are driven using rotary drive mechanism to high-speed rotation, then under the driving of centrifugal force, liquid part in mixture enters the gap between filter cylinder and separation silo, and further under the action of gravity, it is gathered to separation silo lower part, realize the rapid separation operation of solid crystalline particle and liquid, after separation operation is completed, filter cylinder can be pulled out by handle, and solid crystalline particle therein can be poured out, it is simple in structure, reliable in operation, can greatly improve the overall efficiency of molybdic acid preparation operation. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the front view structure schematic diagram of the solid-liquid separation device for molybdic acid production.

[0012] Figure 2 It is the top view structure schematic diagram of the solid-liquid separation device for molybdic acid production.

[0013] Figure 3 It is the a position amplification structure schematic diagram of the utility model Figure 1 .

[0014] In the drawing: 1, separation silo;2, filter cylinder;3, fixed ring;4, handle;5, rotary drive mechanism;6, rotating frame;7, cross limiting plug;8, cross limiting socket;9, assembly seat;10, conical filter pipe column;11, annular guide rail;12, arc-shaped sliding block;13, rotating ring;14, limiting pin;15, conical boss;16, sealing seat;17, fixed shaft;18, liquid discharge port;19, liquid discharge pipeline. DETAILED DESCRIPTION

[0015] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0016] Embodiment: combined with the description of the drawings Figures 1-3 It can be known that the application specifically designs a solid-liquid separation device for molybdic acid production, which comprises a separation silo 1 and a filter cylinder 2. A rotating support member is arranged at the upper end of the separation silo 1. A fixing ring 3 is arranged at the upper end of the filter cylinder 2. A handle 4 is symmetrically arranged on the fixing ring 3. The fixing ring 3 is inserted on the upper end of the rotating part of the rotating support member. A rotary drive mechanism 5 is arranged at the lower part of the separation silo 1. The output end of the rotary drive mechanism 5 penetrates the lower end surface of the separation silo 1 and extends into the separation silo 1. A rotating frame 6 is arranged on the output end of the rotary drive mechanism 5. The upper end of the rotating frame 6 is connected with the lower end of the rotating part of the rotating support member. A cross limiting plug 7 is arranged on the rotating frame 6. A cross limiting plug sleeve 8 matched with the cross limiting plug 7 is arranged at the lower end of the filter cylinder 2. An assembly seat 9 is arranged in the filter cylinder 2. A conical filter pipe column 10 is installed on the assembly seat 9. The filter cylinder 2 and the conical filter pipe column 10 are both of a stainless steel hole plate pipe column structure. The rotating frame 6 is rotatable and arranged in the separation silo 1. The top of the rotating frame 6 is connected with the rotating part of the rotating support member. The filter cylinder 2 is arranged in the separation silo 1 and is fixed and limited by the fixing ring 3 at the upper end thereof and the upper end of the rotating part of the rotating support member. The solid-liquid mixed product after acidification is introduced into the filter cylinder 2. The rotary drive mechanism 5 at the lower part of the separation silo 1 is started. The rotating frame 6 and the filter cylinder 2 are driven by the rotary drive mechanism 5 to rotate at high speed. Then, under the driving of the centrifugal force, the liquid part in the mixture enters the gap between the filter cylinder 2 and the separation silo 1 and further collects in the lower part of the separation silo 1 under the action of gravity. The rapid separation operation of the solid crystalline particles and the liquid is realized. After the separation operation is completed, the filter cylinder 2 can be pulled out by the handle 4. The solid crystalline particles therein can be poured out. The structure is simple, the operation is reliable, and the overall efficiency of the molybdic acid preparation operation can be greatly improved. The arrangement of the conical filter pipe column 10 can effectively increase the filter passage area and avoid the accumulation of solid particles in the central part of the filter cylinder 2, thereby improving the solid-liquid separation efficiency.

[0017] In the specific implementation process, the rotating support member includes an annular guide rail 11, arc-shaped sliding blocks 12 and rotating rings 13, the annular guide rail 11 is arranged on the upper end of the separation silo 1, the arc-shaped sliding blocks 12 are arranged on the annular guide rail 11 in an annular array, and the rotating rings 13 are installed on the arc-shaped sliding blocks 12, wherein the cross section of the rotating ring 13 is L-shaped, the upper end surface of the rotating ring 13 is uniformly provided with limiting pins 14, the fixed ring 3 is provided with through holes corresponding to the positions of the limiting pins 14, the limiting pins 14 on the upper part of the rotating ring 13 are used for limiting the fixed ring 3 outside the filter cylinder 2, driving the filter cylinder 2 to rotate synchronously with the rotating frame 6, and the combination of the arc-shaped sliding blocks 12 and the annular guide rail 11 can effectively ensure smooth rotation, reduce friction, and further improve the separation efficiency.

[0018] In the specific implementation process, the rotating support member includes an annular guide rail 11, arc-shaped sliding blocks 12 and rotating rings 13, the annular guide rail 11 is arranged on the upper end of the separation silo 1, the arc-shaped sliding blocks 12 are arranged on the annular guide rail 11 in an annular array, and the rotating rings 13 are installed on the arc-shaped sliding blocks 12, wherein the cross section of the rotating ring 13 is L-shaped, the upper end surface of the rotating ring 13 is uniformly provided with limiting pins 14, the fixed ring 3 is provided with through holes corresponding to the positions of the limiting pins 14, the limiting pins 14 on the upper part of the rotating ring 13 are used for limiting the fixed ring 3 outside the filter cylinder 2, driving the filter cylinder 2 to rotate synchronously with the rotating frame 6, and the combination of the arc-shaped sliding blocks 12 and the annular guide rail 11 can effectively ensure smooth rotation, reduce friction, and further improve the separation efficiency.

[0019] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A solid-liquid separation device for molybdic acid production, comprising a separation silo and a filter cartridge, characterized by, The upper end of the separation silo is provided with a rotating support member, the upper end of the filter cylinder is provided with a fixing ring, the fixing ring is symmetrically provided with a handle, the fixing ring is inserted on the upper end of the rotating part of the rotating support member, the lower part of the separation silo is provided with a rotary drive mechanism, the output end of the rotary drive mechanism penetrates the lower end surface of the separation silo and extends into the separation silo, the output end of the rotary drive mechanism is provided with a rotating frame, the upper end of the rotating frame is connected with the lower end of the rotating part of the rotating support member, the rotating frame is provided with a cross limiting plug, the lower end of the filter cylinder is provided with a cross limiting socket matched with the cross limiting plug, the filter cylinder is provided with an assembly seat, and a conical filter pipe column is installed on the assembly seat.

2. The solid-liquid separation device for molybdic acid production according to claim 1, characterized by, The rotating support member comprises an annular guide rail, an arc-shaped sliding block and a rotating ring, the annular guide rail is arranged at the upper end of the separation silo, the arc-shaped sliding blocks are arranged in an annular array on the annular guide rail, and the rotating ring is installed on the arc-shaped sliding blocks.

3. The solid-liquid separation device for molybdic acid production according to claim 2, characterized by, The cross section of the rotating ring is L-shaped, the upper end surface of the rotating ring is uniformly provided with a limiting pin, and the fixing ring is provided with a through hole corresponding to the position of the limiting pin.

4. The solid-liquid separation device for molybdic acid production according to claim 1, characterized by The lower end surface of the separation silo is provided with a conical boss at the center position, the conical boss is assembled with a fixed shaft through a sealing seat, the lower end of the fixed shaft is connected with the rotary drive mechanism, and the upper end of the fixed shaft is connected with the rotating frame.

5. The solid-liquid separation device for molybdic acid production according to claim 4, characterized by The lower end surface of the separation silo is provided with a liquid discharge port on one side of the conical boss, and the liquid discharge port is connected with a liquid discharge pipeline.

6. The solid-liquid separation device for molybdic acid production according to claim 1, characterized by The filter cylinder and the conical filter pipe column are both in a stainless steel hole plate pipe column structure.

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