Concentration and crystallization equipment for ammonium paratungstate processing

Abstract

The utility model discloses concentration and crystallization equipment for processing ammonium paratungstate, which comprises an evaporation kettle and a feed port, and the feed port is arranged at the left end of the evaporation kettle; the first motor is installed at the right end of the feeding port, the lower end of the first motor is connected with a stirring rod, the outer end of the evaporation kettle is annularly sleeved with a clamping sleeve, the upper end of the clamping sleeve is provided with a gear ring, the left end of the gear ring is connected with a gear, the lower end of the gear is connected with a second motor, and the outer end of the second motor is provided with a fixing frame; the lower end of the evaporation kettle is connected with a discharging pipe, an electromagnetic valve is installed in the discharging pipe, and a temperature sensor is arranged at the right end of the electromagnetic valve. According to the concentration and crystallization equipment for ammonium paratungstate processing, a solution can be fully heated conveniently, so that the crystallization speed of ammonium paratungstate is increased, the solution can be conveniently cooled, the crystallization rate is increased, and the whole equipment has the excellent effects of reducing energy consumption and realizing continuous ammonium paratungstate crystallization preparation.

Description

TECHNICAL FIELD

[0001] The utility model relates to concentrated crystallization equipment technical field, concretely to a kind of concentrated crystallization equipment of ammonium paratungstate processing. BACKGROUND

[0002] Ammonium paratungstate, abbreviated as APT, is mainly used for manufacturing tungsten trioxide or blue tungsten oxide to make tungsten powder. The existing main preparation process of ammonium paratungstate is to evaporate and crystallize ammonium tungstate solution, that is, ammonium tungstate solution is added to a traditional evaporative crystallization kettle for evaporation and concentration, and then crystallization is carried out after cooling or evaporation to reach a certain supersaturation degree to precipitate.

[0003] A high-efficiency crystallization equipment for ammonium paratungstate preparation is provided in publication No. CN 218011167 U. The utility model aims to provide a high-efficiency crystallization equipment for ammonium paratungstate preparation with faster crystallization speed, which comprises a fixed frame, a fixed seat, a sliding rail, a connecting plate, a connecting block, a connecting frame, a motor frame, and a servo motor, etc. The fixed seat is connected inside the fixed frame, and the sliding rail is connected to the upper part of the fixed frame. The connecting plate is rotatably connected to the sliding rail, and four connecting blocks are placed at intervals on the connecting plate. The connecting frame for placing ammonium paratungstate is connected between the inner sides of the connecting blocks. The motor frame is connected to the right side of the fixed seat, and the servo motor is connected to the motor frame. By turning on the servo motor, the connecting frame can be driven to rotate, so that the ammonium paratungstate in the connecting frame is uniformly heated, thereby accelerating the crystallization speed of ammonium paratungstate.

[0004] The existing technical solutions in the above have the following defects: the concentrated crystallization equipment for ammonium paratungstate processing is not convenient for the solution to be heated sufficiently, the crystallization speed of ammonium paratungstate is slow, it is not convenient for the solution to be cooled, the crystallization rate is low, the device has high energy consumption, and the ammonium paratungstate crystallization preparation effect is poor. Therefore, the utility model provides a concentrated crystallization equipment for ammonium paratungstate processing to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a concentrated crystallization equipment for ammonium paratungstate processing to solve the problems mentioned in the background art, such as the concentrated crystallization equipment for ammonium paratungstate processing being inconvenient for the solution to be heated sufficiently, the crystallization speed of ammonium paratungstate being slow, it being inconvenient for the solution to be cooled, the crystallization rate being low, the device having high energy consumption, and the ammonium paratungstate crystallization preparation effect being poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a concentrated crystallization equipment for ammonium paratungstate processing, comprising an evaporation kettle and a feed inlet, wherein the feed inlet is arranged at the left end of the evaporation kettle;

[0007] Further comprising:

[0008] A first motor is installed at the right end of the inlet, the lower end of the first motor is connected with a stirring rod, a jacket is sleeved on the outer end of the evaporation kettle, a gear ring is arranged on the upper end of the jacket, a gear is connected with the left end of the gear ring, a second motor is connected with the lower end of the gear, a fixing frame is installed on the outer end of the second motor, a discharge pipe is connected with the lower end of the evaporation kettle, an electromagnetic valve is installed in the discharge pipe, and a temperature sensor is arranged on the right end of the electromagnetic valve;

[0009] A positioning pipe is arranged on the outer end of the discharge pipe, a pressing plate is installed in the positioning pipe, a soft rubber plate is connected with the lower end of the pressing plate, and springs are sleeved on the outer surface of the pressing plate, an inlet groove is installed on the inner end of the positioning pipe, and a cooling ring is arranged on the lower end of the inlet groove, and a liquid inlet and outlet are installed on the left end of the cooling ring.

[0010] Preferably, the stirring rod constitutes a rotating structure in the evaporation kettle, and the lower end of the stirring rod is arranged in close contact with the inner surface of the evaporation kettle.

[0011] Preferably, the jacket is connected in a movable clamping manner in the fixing frame, and four supporting frames are symmetrically arranged on the lower end of the fixing frame.

[0012] Preferably, the upper end of the evaporation kettle is fixedly connected with the gear ring, and the left end of the gear ring is connected with the gear in a meshing manner.

[0013] Preferably, the positioning pipe is arranged at six equal angles with respect to the center point of the cooling ring, and the pressing plate constitutes a sliding structure in the positioning pipe.

[0014] Preferably, the upper surface of the soft rubber plate is connected with the positioning pipe in a close contact manner, and the rectangular portion of the pressing plate is arranged in close contact with the inner wall of the positioning pipe.

[0015] Compared with the prior art, the concentrated crystallization equipment for ammonium paratungstate processing can fully heat the solution, thereby accelerating the crystallization speed of ammonium paratungstate, facilitating cooling of the solution, improving the crystallization rate, and achieving the excellent effects of reducing energy consumption and realizing continuous ammonium paratungstate crystallization preparation;

[0016] 1. The evaporation kettle, the stirring rod and the discharge pipe are arranged, the first motor stirs the solution through the stirring rod, the solution can be fully heated, thereby accelerating the crystallization speed of ammonium paratungstate;

[0017] 2. The positioning pipe, the pressing plate and the cooling ring are arranged, the rectangular portion of the pressing plate is arranged in close contact with the inner wall of the positioning pipe, when the crystallization liquid enters the positioning pipe from the inlet groove, the cooling water in the cooling ring cools the solution, thereby improving the crystallization rate;

[0018] 3. Equipped with gears, a second motor, and a discharge pipe, the separate operation mechanism for evaporation and cooling allows the evaporation kettle to maintain a high temperature. The entire device has excellent effects in reducing energy consumption and achieving continuous ammonium paratungstate crystallization preparation. Attached Figure Description

[0019] Figure 1 This is a frontal cross-sectional view of the present invention.

[0020] Figure 2 This is a schematic diagram of the connection structure between the evaporator and the stirring rod of this utility model;

[0021] Figure 3 This is a schematic diagram of the connection structure between the evaporator and the toothed ring of this utility model;

[0022] Figure 4 This is a schematic diagram of the connection structure between the positioning tube and the feed trough of this utility model.

[0023] In the diagram: 1. Evaporator; 2. Feed inlet; 3. First motor; 4. Stirring rod; 5. Jacket; 6. Gear ring; 7. Gear; 8. Second motor; 9. Fixing frame; 10. Discharge pipe; 11. Solenoid valve; 12. Positioning tube; 13. Pressing plate; 14. Spring; 15. Soft rubber plate; 16. Cooling ring; 17. Liquid inlet and outlet; 18. Feed trough; 19. Temperature sensor. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-4 This utility model provides a technical solution: a concentration and crystallization device for processing ammonium paratungstate, including an evaporation kettle 1, a feed inlet 2, a first motor 3, a stirring rod 4, a jacket 5, a gear ring 6, a gear 7, a second motor 8, a fixing frame 9, a discharge pipe 10, a solenoid valve 11, a positioning pipe 12, a pressing plate 13, a spring 14, a soft rubber plate 15, a cooling ring 16, a liquid inlet and outlet 17, a feed trough 18, and a temperature sensor 19.

[0026] The first motor 3 is installed at the right end of the feeding port 2, the lower end of the first motor 3 is connected with the stirring rod 4, the outer end of the evaporation kettle 1 is sleeved with the jacket 5, the upper end of the jacket 5 is provided with the gear ring 6, the left end of the gear ring 6 is connected with the gear 7, the lower end of the gear 7 is connected with the second motor 8, the outer end of the second motor 8 is installed with the fixing frame 9, the lower end of the evaporation kettle 1 is connected with the discharge pipe 10, the inside of the discharge pipe 10 is installed with the electromagnetic valve 11, and the right end of the electromagnetic valve 11 is provided with the temperature sensor 19.

[0027] The positioning pipe 12 is arranged at the outer end of the discharge pipe 10, the inside of the positioning pipe 12 is installed with the pressing plate 13, the lower end of the pressing plate 13 is connected with the soft rubber plate 15, and the outer surface of the pressing plate 13 is sleeved with the spring 14, the inner end of the positioning pipe 12 is installed with the feeding groove 18, the lower end of the feeding groove 18 is provided with the cooling ring 16, and the left end of the cooling ring 16 is installed with the liquid inlet and outlet 17.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the stirring rod 4 constitutes a rotating structure in the inside of the evaporation kettle 1, the lower end of the stirring rod 4 is arranged in abutment with the inner surface of the evaporation kettle 1, the jacket 5 is connected in the inside of the fixing frame 9 in a movable clamping manner, the lower end of the fixing frame 9 is symmetrically provided with four supporting frames, the upper end of the evaporation kettle 1 is connected with the gear ring 6 in a fixed manner, and the left end of the gear ring 6 is connected with the gear 7 in an engaging manner, when the concentration crystallization device is used, first, the material solution is poured into the inside of the evaporation kettle 1 from the feeding port 2, then the left end hole of the jacket 5 is connected with the vapor generator, so that the steam filled in the inside of the jacket 5 penetrates through the inner wall of the evaporation kettle 1 to evaporate and concentrate the solution, and the first motor 3 can be started at the same time, so that the first motor 3 stirs the solution through the stirring rod 4, so that the solution is fully heated, thereby accelerating the crystallization speed of ammonium paratungstate, when ice crystals appear in the concentrated solution, the electromagnetic valve 11 is started to discharge the solution through the discharge pipe 10 to the feeding groove 18, the temperature sensor 19 is convenient for detecting the temperature of the solution, and the staff can control conveniently.

[0029] As shown in Figure 1 and Figure 4As shown, the positioning tubes 12 are equiangularly arranged 6 about the center point of the cooling ring 16, and the pressing plate 13 is in sliding structure inside the positioning tube 12, the upper surface of the soft rubber plate 15 is connected with the positioning tube 12 in a way of sticking, and the rectangular part of the pressing plate 13 is arranged in sticking with the inner wall of the positioning tube 12, when the crystallization solution enters the positioning tube 12 from the feeding groove 18, the cooling water in the cooling ring 16 can cool the solution, improve the crystallization rate, and when one positioning tube 12 is filled, the second motor 8 can be started to drive the gear 7 on the upper end of the second motor 8 to mesh and rotate the tooth ring 6, so that the discharge pipe 10 rotates clockwise to the upper end of the next feeding groove 18, which is convenient for cooling multiple solutions at the same time, improves the processing rate of the device, and when the cooling is completed, the pressing plate 13 can be pressed downward, so that the soft rubber plate 15 moves downward, so that the crystallization can be directly taken out from the lower end of the positioning tube 12, and the spring 14 drives the pressing plate 13 to reset when the pressing plate 13 is loosened, which is convenient for next operation, and the operation mechanism of separating evaporation and cooling can keep the evaporation kettle 1 at a high temperature, and the whole device has the excellent effects of reducing energy consumption and realizing continuous preparation of ammonium paratungstate crystallization.

[0030] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0031] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An ammonium paratungstate processing concentrated crystallization equipment, comprising an evaporation kettle (1) and a feed inlet (2), the feed inlet (2) is arranged at the left end of the evaporation kettle (1); characterized in that Further comprising: A first motor (3) is installed at the right end of the feed inlet (2), the lower end of the first motor (3) is connected with a stirring rod (4), the outer end of the evaporation kettle (1) is sleeved with a jacket (5), the upper end of the jacket (5) is provided with a gear ring (6), the left end of the gear ring (6) is connected with a gear (7), the lower end of the gear (7) is connected with a second motor (8), the outer end of the second motor (8) is installed with a fixing frame (9), the lower end of the evaporation kettle (1) is connected with a discharge pipe (10), the inside of the discharge pipe (10) is installed with a solenoid valve (11), the right end of the solenoid valve (11) is provided with a temperature sensor (19); A positioning pipe (12) is arranged at the outer end of the discharge pipe (10), the inside of the positioning pipe (12) is installed with a pressing plate (13), the lower end of the pressing plate (13) is connected with a soft rubber plate (15), the outer surface of the pressing plate (13) is sleeved with a spring (14), the inner end of the positioning pipe (12) is installed with a feeding groove (18), the lower end of the feeding groove (18) is provided with a cooling ring (16), the left end of the cooling ring (16) is installed with a liquid inlet and outlet (17).

2. An apparatus for concentrating and crystallizing ammonium paratungstate as claimed in claim 1, wherein: The stirring rod (4) constitutes a rotating structure in the inside of the evaporation kettle (1), and the lower end of the stirring rod (4) is arranged in close contact with the inner surface of the evaporation kettle (1).

3. An apparatus for concentrating and crystallizing ammonium paratungstate as claimed in claim 1, wherein: The jacket (5) is connected in a movable clamping manner in the inside of the fixing frame (9), and the lower end of the fixing frame (9) is symmetrically provided with four supporting frames.

4. An apparatus for concentrating and crystallizing ammonium paratungstate as claimed in claim 1, wherein: The upper end of the evaporation kettle (1) is connected with the gear ring (6) in a fixed manner, and the left end of the gear ring (6) is connected with the gear (7) in an engaging manner.

5. An apparatus for concentrating and crystallizing ammonium paratungstate as claimed in claim 1, wherein: The positioning pipe (12) is arranged at equal angles about the center point of the cooling ring (16), and the pressing plate (13) constitutes a sliding structure in the inside of the positioning pipe (12).

6. An apparatus for concentrating and crystallizing ammonium paratungstate as claimed in claim 1, wherein: The upper surface of the soft rubber plate (15) is connected with the positioning pipe (12) in a close contact manner, and the rectangular part of the pressing plate (13) is arranged in close contact with the inner wall of the positioning pipe (12).

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