Hydrolysis device convenient for temperature control and used for P204 phosphate production

Abstract

A hydrolysis device facilitating temperature control and used for P204 phosphate production comprises a shell arranged outside, supporting legs arranged at the bottom end of the shell, a feeding pipe arranged on one side of the top end of the shell and a discharging pipe arranged at the bottom end of the shell and further comprises a stirring motor, a heating assembly, a stirring shaft and a stirring head. A heating assembly is arranged on the outer side of the shell; the heating assembly comprises a heating cylinder, a side cavity, side partition plates, communicating pipes, a lower cavity, a lower partition plate, a steam inlet pipe and a steam outlet pipe, the heating cylinder is arranged on the outer side of the shell, the side cavity is formed in the side wall of the heating cylinder, the side partition plates are symmetrically arranged in the middle of the side cavity to divide the side cavity into two sides, and the communicating pipes penetrate through the shell and are arranged on the inner side of the heating cylinder; the device disclosed by the utility model is novel in structure, ingenious in conception, convenient for heating materials in the shell, good in heating uniformity, and favorable for hydrolyzing materials which need to be hydrolyzed and are used for producing P204 phosphate.

Description

Technical Field

[0001] The utility model relates to a hydrolysis device, in particular to a hydrolysis device for producing P204 phosphate ester which is convenient for temperature control. Background Art

[0002] p204, Chinese name: Di(2-ethylhexyl) phosphate; Di(2-ethylhexyl) phosphate; Diisooctyl phosphate; Dioctyl phosphate, National CAS registration number: 298-07-7, is a colorless, transparent and viscous liquid. Freezing point -60℃, relative density 0.973 (25 / 25℃), refractive index 1.4420 (25℃), boiling point 209℃ (1.33kPa). Product application: used as an organic solvent, an acidic extractant, and an organic synthesis intermediate. It exists in kerosene as a hydrogen bond dimer structure to cover its polar phosphate group. When complexed with metal ions, it usually participates in the reaction in the form of dimer. When P204 phosphate is produced, it needs to be hydrolyzed by a hydrolysis device.

[0003] The hydrolysis kettle is used to stir and mix various substances in the hydrolysis kettle to produce the required products after hydrolysis reaction. During the hydrolysis reaction, a certain temperature and pressure are required. When the existing P204 phosphate production hydrolysis device is used, it can generally only heat the inner wall of the kettle body. The heating effect of the material inside the kettle body needs to be improved, and the heating uniformity is poor, which is not conducive to use. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a P204 phosphate production hydrolysis device which is easy to control the temperature, and effectively solves the problem that the existing P204 phosphate production hydrolysis device can generally only heat the inner wall of the kettle body when in use, the heating effect of the material inside the kettle body needs to be improved, the heating uniformity is poor, and it is not conducive to use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: the utility model includes a shell arranged outside, a support leg arranged at the bottom of the shell, a feeding pipe arranged at one side of the top of the shell and a discharge pipe arranged at the bottom of the shell, and also includes a stirring motor, a heating component, a stirring shaft and a stirring head, wherein a stirring motor is installed at the middle of the top of the shell, and a heating component is arranged on the outside of the shell;

[0006] The heating assembly includes a heating cylinder, a side cavity, a side partition, a connecting pipe, a lower cavity, a lower partition, a steam inlet pipe and a steam outlet pipe. The heating cylinder is arranged on the outside of the shell, the side cavity is opened in the side wall of the heating cylinder, the middle of the side cavity is symmetrically provided with side partitions to separate it into two sides, a plurality of connecting pipes are arranged on the inside of the heating cylinder through the shell, the bottom wall of the heating cylinder is opened, and the middle of the lower cavity is provided with a lower partition connected to the side partition.

[0007] Preferably, a discharge valve is installed on the discharge pipe.

[0008] Preferably, a stirring shaft connected to a stirring motor is installed inside the shell, and a stirring head is arranged at one end of the stirring shaft.

[0009] Preferably, a one-way valve is installed on the connecting pipe.

[0010] Preferably, a steam inlet pipe is installed in the middle of one side of the heating cylinder, and a steam outlet pipe is provided in the middle of the other side of the heating cylinder.

[0011] Preferably, one end of the steam inlet pipe and the steam outlet pipe are both provided with a connecting flange.

[0012] Beneficial effect: When the utility model is used, the P204 phosphate production material that needs to be hydrolyzed is added to the inside of the shell through the feeding pipe. After the addition is completed, the stirring motor drives the stirring shaft and the stirring head to rotate, and the material is stirred by the stirring shaft and the stirring head. The external steam enters the side cavity and the lower cavity of the heating cylinder through the steam inlet pipe, thereby heating the material in the shell. The steam in the side cavity and the lower cavity on one side of the side partition and the lower partition enters the side cavity and the lower cavity on the other side of the side partition and the lower partition through the connecting pipe, and finally discharged through the steam outlet pipe. In this way, the steam passing through the connecting pipe allows the connecting pipe to heat the material in the middle of the inner side of the shell, thereby improving the heating uniformity. The utility model has a novel structure and an ingenious conception, is convenient for heating the material in the shell, has good heating uniformity, and is conducive to the hydrolysis of the P204 phosphate production material that needs to be hydrolyzed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 It is a side sectional view of the heating cylinder of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the bottom wall of the heating cylinder of the utility model;

[0018] Numbers in the figure: 1. Shell; 2. Support legs; 3. Feeding pipe; 4. Discharge pipe; 5. Stirring motor; 6. Heating component; 7. Stirring shaft; 8. Stirring head; 9. Heating cylinder; 10. Side cavity; 11. Side partition; 12. Connecting pipe; 13. Lower cavity; 14. Lower partition; 15. Steam inlet pipe; 16. Steam outlet pipe. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 The specific implementation modes of the present utility model are further described in detail.

[0020] Embodiment 1, by Figure 1-4 The utility model provides a hydrolysis device for the production of P204 phosphate ester which is convenient for temperature control, comprising a shell 1 arranged outside, a leg 2 arranged at the bottom of the shell 1, a feeding pipe 3 arranged at one side of the top of the shell 1 and a discharge pipe 4 arranged at the bottom of the shell 1, and also comprising a stirring motor 5, a heating component 6, a stirring shaft 7 and a stirring head 8. The stirring motor 5 is installed at the middle of the top of the shell 1, and the heating component 6 is arranged on the outside of the shell 1;

[0021] The heating assembly 6 includes a heating tube 9, a side cavity 10, a side partition 11, a connecting pipe 12, a lower cavity 13, a lower partition 14, a steam inlet pipe 15 and a steam outlet pipe 16. The heating tube 9 is arranged on the outside of the shell 1, and a side cavity 10 is opened in the side wall of the heating tube 9. The side partition 11 is symmetrically arranged in the middle of the side cavity 10 to separate it into two sides. A plurality of connecting pipes 12 are arranged on the inner side of the heating tube 9 through the shell 1. A lower cavity 13 is opened in the bottom wall of the heating tube 9. A lower partition 14 connected to the side partition 11 is arranged in the middle of the lower cavity 13.

[0022] A discharge valve is installed on the discharge pipe 4 to facilitate the discharge control of the discharge pipe 4.

[0023] A stirring shaft 7 connected to the stirring motor 5 is installed inside the shell 1. A stirring head 8 is provided at one end of the stirring shaft 7, so that the material can be stirred by rotating the stirring shaft 7 and the stirring head 8.

[0024] A one-way valve is installed on the connecting pipe 12 to facilitate the use of the connecting pipe 12 .

[0025] A steam inlet pipe 15 is installed in the middle of one side of the heating cylinder 9, and a steam outlet pipe 16 is provided in the middle of the other side of the heating cylinder 9 to facilitate the addition and discharge of steam in the heating cylinder 9.

[0026] One end of the steam inlet pipe 15 and the steam outlet pipe 16 are both provided with connecting flanges to facilitate the connection of the steam inlet pipe 15 and the steam outlet pipe 16 with external pipelines.

[0027] Working principle: When the utility model is used, the P204 phosphate production material that needs to be hydrolyzed is added to the interior of the shell 1 through the feeding pipe 3. After the addition is completed, the stirring motor 5 works to drive the stirring shaft 7 and the stirring head 8 to rotate, and the material is stirred by the stirring shaft 7 and the stirring head 8. The external steam enters the side cavity 10 and the lower cavity 13 of the heating cylinder 9 through the steam inlet pipe 15, thereby heating the material in the shell 1. The steam in the side cavity 10 and the lower cavity 13 on one side of the side partition 11 and the lower partition 14 enters the side cavity 10 and the lower cavity 13 on the other side of the side partition 11 and the lower partition 14 through the connecting pipe 12, and is finally discharged through the steam outlet pipe 16. In this way, the steam passing through the connecting pipe 12 allows the connecting pipe 12 to heat the material in the middle of the inner side of the shell 1, thereby improving the heating uniformity.

[0028] Beneficial effects: The utility model has a novel structure and an ingenious design, and is convenient for heating the material in the shell 1, with good heating uniformity, which is beneficial to the hydrolysis of the material for the production of P204 phosphate that needs to be hydrolyzed.

[0029] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hydrolysis device for the production of P204 phosphate ester which is easy to control in temperature, comprising a shell (1) arranged outside, a support leg (2) arranged at the bottom end of the shell (1), a feeding pipe (3) arranged at one side of the top end of the shell (1), and a discharge pipe (4) arranged at the bottom end of the shell (1), characterized in that: It also comprises a stirring motor (5), a heating component (6), a stirring shaft (7) and a stirring head (8); the stirring motor (5) is installed at the middle of the top end of the shell (1), and the heating component (6) is arranged on the outside of the shell (1); The heating assembly (6) comprises a heating cylinder (9), a side cavity (10), a side partition (11), a connecting pipe (12), a lower cavity (13), a lower partition (14), a steam inlet pipe (15) and a steam outlet pipe (16); the heating cylinder (9) is arranged on the outside of the shell (1); a side cavity (10) is provided in the side wall of the heating cylinder (9); a side partition (11) is symmetrically provided in the middle of the side cavity (10) to separate it into two sides; a plurality of connecting pipes (12) are provided on the inside of the heating cylinder (9) and penetrate the shell (1); a lower cavity (13) is provided in the bottom wall of the heating cylinder (9); a lower partition (14) connected to the side partition (11) is provided in the middle of the lower cavity (13).

2. A P204 phosphate production hydrolysis device that is easy to control temperature according to claim 1, characterized in that: A discharge valve is installed on the discharge pipe (4).

3. A hydrolysis device for P204 phosphate production that is easy to control temperature according to claim 1, characterized in that: A stirring shaft (7) connected to the stirring motor (5) is installed inside the housing (1), and a stirring head (8) is provided at one end of the stirring shaft (7).

4. A P204 phosphate production hydrolysis device that is easy to control temperature according to claim 1, characterized in that: A one-way valve is installed on the connecting pipe (12).

5. A temperature-controlled hydrolysis device for P204 phosphate production according to claim 1, characterized in that: A steam inlet pipe (15) is installed in the middle of one side of the heating cylinder (9), and a steam outlet pipe (16) is provided in the middle of the other side of the heating cylinder (9).

6. A temperature-controlled hydrolysis device for P204 phosphate production according to claim 5, characterized in that: One end of the steam inlet pipe (15) and the steam outlet pipe (16) are both provided with a connecting flange.

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