Mixing and stirring device for preparing sodium trimetaphosphate

Abstract

The utility model discloses a mixing and stirring device for preparing sodium trimetaphosphate, which comprises a support, the inner surface of the support is fixedly connected with a shell, the inner surface of the shell is fixedly connected with a heating plate, the left surface of the shell is fixedly connected with a cover plate, the inner surface of the cover plate is fixedly connected with a feeding pipe, and the feeding pipe is fixedly connected with a stirring device. A discharging pipe is fixedly connected to the left surface of the shell, a supporting plate is fixedly connected to the inner surface of a support, an electric wire and a stirring mechanism are electrically connected to the right surface of a heating plate, the stirring mechanism comprises a motor, a transmission wheel, a belt, a driven wheel, a connecting rod, a stirring barrel and stirring blades, and the output end of the motor is fixedly connected with the transmission wheel. Through rotation of the stirring barrel, raw materials rotate along with the interior of the stirring barrel and are scattered and mixed by the stirring blades, so that the raw materials can be fully mixed without accumulation, the heating uniformity of the materials is not influenced, and the preparation quality and efficiency of sodium trimetaphosphate are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sodium trimetaphosphate preparation, in particular to a mixing and stirring device for preparing sodium trimetaphosphate. Background Art

[0002] Sodium trimetaphosphate is a very important material in the chemical industry and is widely used in industry, especially in the reaction processes of vitamin C esterification and starch esterification. The fine chemical industry requires high-purity sodium trimetaphosphate, and its water-insoluble matter is required to be less than 0.1%. The traditional preparation of sodium trimetaphosphate is to heat sodium orthophosphate through an intermediate product, mainly disodium dihydrogen pyrophosphate, to generate a reactant containing trimetaphosphate components, and sodium trimetaphosphate needs to be stirred and mixed using a mixing device during the preparation process.

[0003] Most of the existing stirring devices are vertical structures, and stirring is performed by a stirring rod or stirring blades arranged inside. However, such a stirring method will leave a dead corner at the bottom of the stirring device that cannot be stirred by the stirring rod or stirring blades, which not only affects the final mixing effect but also causes uneven heating of the material, affecting the preparation quality and efficiency of sodium trimetaphosphate. After searching, it was found that the technical solution provided by the utility model with application number CN202022722257.1 also has the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art and to provide a mixing and stirring device for preparing sodium trimetaphosphate. By rotating a stirring barrel, raw materials in the stirring barrel rotate together with the inside thereof, and are dispersed and mixed by stirring blades, so that the raw materials can be fully mixed without accumulation and without affecting the uniformity of heating of the materials, thereby improving the preparation quality and efficiency of sodium trimetaphosphate.

[0005] The utility model also provides a mixing and stirring device for preparing sodium trimetaphosphate, comprising: a bracket, an inner surface of the bracket is fixedly connected to an outer shell, an inner surface of the outer shell is fixedly connected to a heating plate, a left surface of the outer shell is fixedly connected to a cover plate, an inner surface of the cover plate is fixedly connected to a feeding pipe, a left surface of the outer shell is fixedly connected to a discharging pipe, an inner surface of the bracket is fixedly connected to a supporting plate, and a right surface of the heating plate is electrically connected to an electric wire.

[0006] The stirring mechanism comprises a motor, a transmission wheel, a belt, a driven wheel, a connecting rod, a stirring barrel and a stirring blade. The output end of the motor is fixedly connected to the transmission wheel, the inner surface of the transmission wheel is rollingly connected to the belt, the inner surface of the belt is rollingly connected to the driven wheel, the inner surface of the driven wheel is fixedly connected to the connecting rod, the right surface of the connecting rod is fixedly connected to the stirring barrel, and the inner surface of the stirring barrel is fixedly connected to the stirring blade. By rotating the stirring barrel, the raw materials in the stirring barrel rotate together with the inside, and are dispersed and mixed by the stirring blade, so that the raw materials can be fully mixed without accumulation, and will not affect the uniformity of the material being heated, thereby improving the preparation quality and efficiency of sodium trimetaphosphate.

[0007] According to the mixing and stirring device for preparing sodium trimetaphosphate, the outer surface of the stirring blade is provided with a through hole, and the inner surface of the cover plate is fixedly connected with an observation glass, which is convenient for fully stirring and mixing without materials and for observing the internal stirring state through the observation window.

[0008] According to the mixing and stirring device for preparing sodium trimetaphosphate, a feed valve is fixedly connected to the outer surface of the feed pipe, and the inner surface of the feed pipe is connected to the cover plate, which is convenient for controlling the entry of materials.

[0009] According to the mixing and stirring device for preparing sodium trimetaphosphate, a discharge valve is fixedly connected to the outer surface of the discharge pipe, and the inner surface of the discharge pipe is connected to the outer shell, which is convenient for controlling the discharge of materials.

[0010] According to the mixing and stirring device for preparing sodium trimetaphosphate, the lower surface of the motor is fixedly connected to the support plate, and the outer surface of the wire is fixedly connected to the housing, so that the bracket is more stable and the installation of the motor is convenient.

[0011] According to the mixing and stirring device for preparing sodium trimetaphosphate, the outer surface of the connecting rod is rotatably connected to the heating plate, and the outer surface of the connecting rod is rotatably connected to the outer shell.

[0012] According to the mixing and stirring device for preparing sodium trimetaphosphate, the outer surface of the mixing barrel is rotatably connected to the heating plate, and the outer surface of the outer shell is fixedly connected to a thermometer, which is convenient for real-time monitoring of the internal temperature.

[0013] According to the mixing and stirring device for preparing sodium trimetaphosphate, the number of the stirring blades is four and they are arranged in a circular array, and the motor and the wires are electrically connected to an external power supply.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is an overall structural diagram of a mixing and stirring device for preparing sodium trimetaphosphate according to the utility model;

[0017] Figure 2 This is an internal structure diagram of a mixing and stirring device for preparing sodium trimetaphosphate according to the utility model;

[0018] Figure 3 This is a cross-sectional view of a mixing and stirring device for preparing sodium trimetaphosphate according to the utility model;

[0019] Figure 4 This is a partial structural diagram of a mixing and stirring device for preparing sodium trimetaphosphate according to the utility model.

[0020] Legend:

[0021] 1. Bracket; 2. Shell; 3. Heating plate; 4. Cover plate; 5. Feed pipe; 6. Discharge pipe; 7. Support plate; 8. Wires; 9. Motor; 10. Drive wheel; 11. Belt; 12. Driven wheel; 13. Connecting rod; 14. Mixing barrel; 15. Mixing blade; 16. Through hole; 17. Observation glass; 18. Feed valve; 19. Discharge valve; 20. Thermometer. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a mixing and stirring device for preparing sodium trimetaphosphate, comprising: a bracket 1, the inner surface of the bracket 1 is fixedly connected with a shell 2, the outer surface of the shell 2 is fixedly connected with a thermometer 20, the inner surface of the shell 2 is fixedly connected with a heating plate 3, the left surface of the shell 2 is fixedly connected with a cover plate 4, the inner surface of the cover plate 4 is fixedly connected with an observation glass 17, the inner surface of the cover plate 4 is fixedly connected with a feed pipe 5, the outer surface of the feed pipe 5 is fixedly connected with a feed valve 18, the inner surface of the feed pipe 5 is connected with the cover plate 4, the left surface of the shell 2 is fixedly connected with a discharge pipe 6, the outer surface of the discharge pipe 6 is fixedly connected with a discharge valve 19, the inner surface of the discharge pipe 6 is connected with the shell 2, the inner surface of the bracket 1 is fixedly connected with a support plate 7, the right surface of the heating plate 3 is electrically connected with a wire 8, and the outer surface of the wire 8 is fixedly connected with the shell 2.

[0024] The stirring mechanism includes a motor 9, a transmission wheel 10, a belt 11, a driven wheel 12, a connecting rod 13, a stirring barrel 14 and a stirring blade 15. The motor 9 and the electric wire 8 are electrically connected to an external power supply. There are four stirring blades 15 in a circular array. The outer surface of the stirring barrel 14 is rotatably connected to the heating plate 3, the outer surface of the connecting rod 13 is rotatably connected to the outer shell 2, the outer surface of the connecting rod 13 is rotatably connected to the heating plate 3, the lower surface of the motor 9 is fixedly connected to the support plate 7, the outer surface of the stirring blade 15 is provided with a through hole 16, the output end of the motor 9 is fixedly connected to the transmission wheel 10, the inner surface of the transmission wheel 10 is rollingly connected to the belt 11, the inner surface of the belt 11 is rollingly connected to the driven wheel 12, the inner surface of the driven wheel 12 is fixedly connected to the connecting rod 13, the right surface of the connecting rod 13 is fixedly connected to the stirring barrel 14, and the inner surface of the stirring barrel 14 is fixedly connected to the stirring blade 15.

[0025] Working principle: open the feed valve 18, the raw material enters the mixing barrel 14 from the feed pipe 5, the motor 9 drives the driving wheel 10 to rotate, the driving wheel 10 drives the driven wheel 12 to rotate through the belt 11, and the driven wheel 12 drives the mixing barrel 14 to rotate through the connecting rod 13 to stir the raw material inside. The stirring blade 15 with a through hole 16 installed on the inner wall of the mixing barrel 14 can make the material stirred more evenly and without dead corners. The heating plate 3 coated on the outer wall of the mixing barrel 14 can heat the mixing barrel 14. The thermometer 20 can monitor the internal temperature in real time for easy control. After the material is stirred, open the discharge valve 19 and the material is discharged from the discharge pipe 6.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A mixing and stirring device for preparing sodium trimetaphosphate, characterized in that: include: A bracket (1), the inner surface of the bracket (1) is fixedly connected to a shell (2), the inner surface of the shell (2) is fixedly connected to a heating plate (3), the left surface of the shell (2) is fixedly connected to a cover plate (4), the inner surface of the cover plate (4) is fixedly connected to a feed pipe (5), the left surface of the shell (2) is fixedly connected to a discharge pipe (6), the inner surface of the bracket (1) is fixedly connected to a support plate (7), and the right surface of the heating plate (3) is electrically connected to an electric wire (8); The stirring mechanism comprises a motor (9), a transmission wheel (10), a belt (11), a driven wheel (12), a connecting rod (13), a stirring barrel (14) and a stirring blade (15), wherein the output end of the motor (9) is fixedly connected to the transmission wheel (10), the inner surface of the transmission wheel (10) is rollingly connected to the belt (11), the inner surface of the belt (11) is rollingly connected to the driven wheel (12), the inner surface of the driven wheel (12) is fixedly connected to the connecting rod (13), the right surface of the connecting rod (13) is fixedly connected to the stirring barrel (14), and the inner surface of the stirring barrel (14) is fixedly connected to the stirring blade (15).

2. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The outer surface of the stirring blade (15) is provided with a through hole (16), and the inner surface of the cover plate (4) is fixedly connected with an observation glass (17).

3. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The outer surface of the feed pipe (5) is fixedly connected to a feed valve (18), and the inner surface of the feed pipe (5) is connected to the cover plate (4).

4. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: A discharge valve (19) is fixedly connected to the outer surface of the discharge pipe (6), and the inner surface of the discharge pipe (6) is in communication with the outer shell (2).

5. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The lower surface of the motor (9) is fixedly connected to the support plate (7), and the outer surface of the electric wire (8) is fixedly connected to the housing (2).

6. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The outer surface of the connecting rod (13) is rotatably connected to the heating plate (3), and the outer surface of the connecting rod (13) is rotatably connected to the outer shell (2).

7. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The outer surface of the stirring barrel (14) is rotatably connected to the heating plate (3), and the outer surface of the outer shell (2) is fixedly connected to a thermometer (20).

8. A mixing and stirring device for preparing sodium trimetaphosphate according to claim 1, characterized in that: The number of the stirring blades (15) is four and they are arranged in a circular array, and the motor (9) and the wire (8) are both electrically connected to an external power source.

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