Pipeline reactor for preparing azelaic acid

Abstract

The utility model relates to the technical field of pipeline reactors, in particular to a pipeline reactor for preparing azelaic acid, which discharges various liquid raw materials into a conveying mechanism, mixes the various liquid raw materials through a mixing mechanism, and discharges powdery raw materials into the conveying mechanism through a feeding mechanism. The mixing mechanism is used for mixing various liquid raw materials and powdery raw materials, the various raw materials react in the conveying mechanism, the temperature in the conveying mechanism is regulated and controlled through the temperature regulating mechanism in the reaction process, and then azelaic acid semi-finished products after reaction are discharged through the conveying mechanism, so that the practicability of the equipment is improved; comprising a conveying mechanism; the device further comprises a plurality of groups of mixing mechanisms, a feeding mechanism and a temperature adjusting mechanism, and the plurality of groups of mixing mechanisms, the feeding mechanism and the temperature adjusting mechanism are all mounted on the conveying mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline reactors, in particular to a pipeline reactor used for preparing azelaic acid. Background Art

[0002] Azelaic acid is an organic compound with the appearance of white to slightly yellow monoclinic prisms, needle-shaped crystals or powder. It is used as a plasticizer and is also used in alkyd resins, paints and chemical synthesis. The preparation process of azelaic acid requires the use of a pipeline reactor to mix multiple raw materials so that the multiple raw materials can react at appropriate pressure and temperature.

[0003] Existing pipeline reactors, such as the pipeline reactor disclosed in the utility model patent with application number 201620170552.1 and the neutralization pipeline reactor disclosed in the utility model patent with application number 201220447621.0, can mix multiple raw materials and allow the multiple raw materials to react at appropriate pressure and temperature.

[0004] However, it was found during use that the existing pipeline reactor has a relatively simple structure, resulting in poor mixing effect of raw materials and inconvenience in adding powdered raw materials, resulting in poor practicality. Therefore, there is an urgent need for a pipeline reactor for the preparation of azelaic acid to improve the above problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pipeline reactor for preparing azelaic acid, which discharges a variety of liquid raw materials into a conveying mechanism, mixes the various liquid raw materials through a mixing mechanism, and discharges powdered raw materials into the conveying mechanism through a feeding mechanism, so that the mixing mechanism mixes the various liquid raw materials and powdered raw materials, and the various raw materials react inside the conveying mechanism, and during the reaction, the temperature inside the conveying mechanism is regulated by a temperature regulating mechanism, and then the semi-finished azelaic acid product after the reaction is discharged through the conveying mechanism, thereby improving the practicality of the equipment.

[0006] The utility model discloses a pipeline reactor for preparing azelaic acid, comprising a conveying mechanism; and also comprising a plurality of mixing mechanisms, a feeding mechanism and a temperature regulating mechanism, wherein the plurality of mixing mechanisms, the feeding mechanism and the temperature regulating mechanism are all installed on the conveying mechanism;

[0007] The conveying mechanism conveys and pressurizes the raw materials, the mixing mechanism mixes the raw materials, the feeding mechanism feeds the conveying mechanism, and the temperature regulating mechanism regulates the temperature of the raw materials;

[0008] A variety of liquid raw materials are discharged into the conveying mechanism, and the various liquid raw materials are mixed by the mixing mechanism. At the same time, the powdered raw materials are discharged into the conveying mechanism by the feeding mechanism, and the mixing mechanism mixes the various liquid raw materials and powdered raw materials. The various raw materials are reacted inside the conveying mechanism, and the temperature inside the conveying mechanism is regulated by the temperature regulating mechanism during the reaction. Then, the semi-finished azelaic acid product after the reaction is discharged through the conveying mechanism, thereby improving the practicability of the equipment.

[0009] Preferably, the conveying mechanism includes a support frame, multiple groups of conveying pipes, multiple groups of connecting pipes, a feed barrel and a booster pump, the multiple groups of conveying pipes are installed on the support frame, the multiple groups of connecting pipes are respectively installed on the multiple groups of conveying pipes, the feed barrel is installed at one end of the top conveying pipe, the booster pump is installed on the feed barrel, and a feed valve is provided on the top of the feed barrel; the various liquid raw materials are poured into the feed barrel, and the feed valve on the feed barrel is closed, and the booster pump is turned on to pressurize the interior of the feed barrel, and the various liquid raw materials are discharged into the multiple groups of conveying pipes and the multiple groups of connecting pipes, thereby improving the practicability of the equipment.

[0010] Preferably, the mixing mechanism includes a sealing seat, a discharge pipe, a spray pipe and multiple groups of nozzles, the sealing seat is installed inside the conveying pipe, the discharge pipe is rotatably installed on the sealing seat, the spray pipe is fixedly installed on the discharge pipe, and the multiple groups of nozzles are obliquely installed on the spray pipe; the various liquid raw materials entering the conveying pipe then enter the discharge pipe, the various liquid raw materials are discharged into the spray pipe through the discharge pipe, and then the various liquid raw materials are sprayed out through the multiple groups of nozzles to mix the various liquid raw materials, and the spray pipe is rotated while the various liquid raw materials are sprayed out through the multiple groups of nozzles, thereby improving the mixing effect of the equipment on the various raw materials.

[0011] Preferably, the feeding mechanism includes a feeding barrel, a fixing frame, a hydraulic cylinder and a piston, the bottom end of the feeding barrel is installed on the top conveying pipe through an electric control valve, the hydraulic cylinder is installed on the feeding barrel through the fixing frame, the piston is installed at the bottom end of the hydraulic cylinder, and the piston is located inside the feeding barrel; the powdered raw material is poured into the feeding barrel by contraction of the hydraulic cylinder, and then the piston is extended into the feeding barrel to seal the feeding barrel by extension of the hydraulic cylinder, and then the electric control valve at the bottom end of the feeding barrel is opened to allow part of the liquid raw material in the conveying pipe to enter the feeding barrel, and then the hydraulic cylinder continues to extend to move the piston downward to pressurize the inside of the feeding barrel, and the liquid raw material and powdered raw material in the feeding barrel are discharged into the conveying pipe, and then the above steps are repeated repeatedly to allow the liquid raw material to repeatedly enter the feeding barrel, and all the powdered raw material in the feeding barrel is flushed into the conveying pipe, thereby improving the practicability of the equipment.

[0012] Preferably, the temperature regulating mechanism comprises a plurality of groups of spiral blades, which are respectively installed inside a plurality of groups of conveying pipes, and a heating element is provided inside each of the plurality of groups of spiral blades; the raw materials flowing in the conveying pipes are spirally guided by the spiral blades to further mix the raw materials, and at the same time, the temperature of the raw materials is adjusted by the heated raw materials in the plurality of groups of spiral blades, thereby improving the practicability of the equipment.

[0013] Preferably, the flushing mechanism includes a sealing cover, a drainage pump, a one-way valve and a discharge valve, the sealing cover is installed on one end of the bottom conveying pipe, the drainage pump is installed on the sealing cover, and the drainage port of the drainage pump is communicated with the interior of the sealing cover, the one-way valve is installed on the drainage port of the drainage pump, and the discharge valve is installed at the bottom end of the sealing cover; the semi-finished azelaic acid products that have completed the reaction in the multiple groups of conveying pipes and the multiple groups of connecting pipes are discharged by opening the discharge valve, and after the semi-finished azelaic acid products are discharged, the water source is connected to the water inlet of the drainage pump, the discharge valve is closed, and the feed valve on the feed barrel is opened to drain the water. The pump discharges clean water into multiple groups of delivery pipes and multiple groups of connecting pipes, and makes the clean water pass through the nozzles, spray pipes and discharge pipes in sequence, and then the clean water enters the feed barrel to complete the first cleaning of the equipment. Then the drainage pump is closed, the discharge valve is opened, and the inside of the feed barrel is pressurized by the booster pump to make the clean water in the feed barrel, delivery pipes, connecting pipes, discharge pipes, spray pipes and nozzles move downward to clean the inside of the equipment for the second time. At the same time, the drainage port of the drainage pump is sealed by a one-way valve, and the sewage is discharged through the discharge valve, thereby improving the practicability of the equipment.

[0014] Preferably, the delivery pipe and the connecting pipe are sealed and connected via a flange, which facilitates disassembly and maintenance of the equipment, thereby improving the practicability of the equipment.

[0015] Compared with the prior art, the utility model has the following beneficial effects: a variety of liquid raw materials are discharged into the conveying mechanism, the various liquid raw materials are mixed by the mixing mechanism, and at the same time, the powdered raw materials are discharged into the conveying mechanism by the feeding mechanism, so that the mixing mechanism mixes the various liquid raw materials and powdered raw materials, and the various raw materials react inside the conveying mechanism, and during the reaction, the temperature inside the conveying mechanism is regulated by the temperature regulating mechanism, and then the semi-finished azelaic acid product after the reaction is discharged through the conveying mechanism, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0017] Figure 2 It is a front view structural schematic diagram of the utility model;

[0018] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 4 It is a partial cross-sectional structural schematic diagram of the utility model;

[0020] Figure 5 It is an axonometric enlarged structural diagram of the mixing mechanism of the utility model;

[0021] Figure 6 It is a front view enlarged structural schematic diagram of the mixing mechanism of the utility model.

[0022] Markings in the attached drawings: 1. Support frame; 2. Delivery pipe; 3. Connecting pipe; 4. Feed barrel; 5. Booster pump; 6. Sealing seat; 7. Drain pipe; 8. Spray pipe; 9. Nozzle; 10. Feed barrel; 11. Fixed frame; 12. Hydraulic cylinder; 13. Piston; 14. Spiral blade; 15. Sealing cover; 16. Drain pump; 17. One-way valve; 18. Discharge valve. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0024] Example 1

[0025] It includes a conveying mechanism; it also includes multiple groups of mixing mechanisms, feeding mechanisms and temperature regulating mechanisms, and the multiple groups of mixing mechanisms, feeding mechanisms and temperature regulating mechanisms are all installed on the conveying mechanism;

[0026] The conveying mechanism conveys and pressurizes the raw materials, the mixing mechanism mixes the raw materials, the feeding mechanism feeds the conveying mechanism, and the temperature regulating mechanism regulates the temperature of the raw materials;

[0027] The conveying mechanism includes a support frame 1, multiple groups of conveying pipes 2, multiple groups of connecting pipes 3, a feed barrel 4 and a booster pump 5. The multiple groups of conveying pipes 2 are all installed on the support frame 1, the multiple groups of connecting pipes 3 are respectively installed on the multiple groups of conveying pipes 2, the feed barrel 4 is installed at one end of the top conveying pipe 2, the booster pump 5 is installed on the feed barrel 4, and a feed valve is provided at the top of the feed barrel 4;

[0028] The mixing mechanism includes a sealing seat 6, a liquid discharge pipe 7, a liquid spraying pipe 8 and a plurality of nozzles 9. The sealing seat 6 is installed inside the delivery pipe 2. The liquid discharge pipe 7 is rotatably installed on the sealing seat 6. The liquid spraying pipe 8 is fixedly installed on the liquid discharge pipe 7. The plurality of nozzles 9 are all obliquely installed on the liquid spraying pipe 8.

[0029] The feeding mechanism includes a feeding barrel 10, a fixing frame 11, a hydraulic cylinder 12 and a piston 13. The bottom end of the feeding barrel 10 is mounted on the top conveying pipe 2 through an electric control valve, the hydraulic cylinder 12 is mounted on the feeding barrel 10 through the fixing frame 11, the piston 13 is mounted on the bottom end of the hydraulic cylinder 12, and the piston 13 is located inside the feeding barrel 10;

[0030] The temperature regulating mechanism comprises a plurality of sets of spiral blades 14, which are respectively installed inside the plurality of sets of conveying pipes 2, and a heating element is arranged inside the plurality of sets of spiral blades 14;

[0031] Pour the various liquid raw materials into the feed barrel 4, close the feed valve on the feed barrel 4, open the booster pump 5 to pressurize the inside of the feed barrel 4, discharge the various liquid raw materials into the multiple groups of delivery pipes 2 and the multiple groups of connecting pipes 3, and the various liquid raw materials entering the delivery pipe 2 enter the discharge pipe 7, discharge the various liquid raw materials into the spray pipe 8 through the discharge pipe 7, and then spray the various liquid raw materials through the multiple groups of nozzles 9 to mix the various liquid raw materials, and at the same time, rotate the spray pipe 8 while spraying the various liquid raw materials through the multiple groups of nozzles 9, and at the same time, contract the hydraulic cylinder 12 to pour the powdered raw materials into the feeding barrel 10, and then extend the hydraulic cylinder 12 to extend the piston 13 into the feeding barrel 10 to press the feeding barrel 10. The feeding barrel 10 is sealed, and then the electric control valve at the bottom of the feeding barrel 10 is opened to allow part of the liquid raw material in the delivery pipe 2 to enter the feeding barrel 10. The hydraulic cylinder 12 is then extended to move the piston 13 downward to pressurize the interior of the feeding barrel 10, and the liquid raw material and the powdered raw material in the feeding barrel 10 are discharged into the delivery pipe 2. The above steps are then repeated repeatedly to allow the liquid raw material to repeatedly enter the feeding barrel 10, and all the powdered raw materials in the feeding barrel 10 are flushed into the delivery pipe 2. In the reaction process, the raw materials flowing in the delivery pipe 2 are spirally guided by the spiral blades 14 to further mix the raw materials. At the same time, the temperature of the raw materials is adjusted by the heated raw materials in the multiple sets of spiral blades 14, thereby improving the practicability of the equipment.

[0032] Example 2

[0033] like Figures 1 to 6 As shown, it includes a conveying mechanism; it also includes multiple groups of mixing mechanisms, feeding mechanisms and temperature regulating mechanisms, and the multiple groups of mixing mechanisms, feeding mechanisms and temperature regulating mechanisms are all installed on the conveying mechanism;

[0034] The conveying mechanism conveys and pressurizes the raw materials, the mixing mechanism mixes the raw materials, the feeding mechanism feeds the conveying mechanism, and the temperature regulating mechanism regulates the temperature of the raw materials;

[0035] The conveying mechanism includes a support frame 1, multiple groups of conveying pipes 2, multiple groups of connecting pipes 3, a feed barrel 4 and a booster pump 5. The multiple groups of conveying pipes 2 are all installed on the support frame 1, the multiple groups of connecting pipes 3 are respectively installed on the multiple groups of conveying pipes 2, the feed barrel 4 is installed at one end of the top conveying pipe 2, the booster pump 5 is installed on the feed barrel 4, and a feed valve is provided at the top of the feed barrel 4;

[0036] The mixing mechanism includes a sealing seat 6, a liquid discharge pipe 7, a liquid spraying pipe 8 and a plurality of nozzles 9. The sealing seat 6 is installed inside the delivery pipe 2. The liquid discharge pipe 7 is rotatably installed on the sealing seat 6. The liquid spraying pipe 8 is fixedly installed on the liquid discharge pipe 7. The plurality of nozzles 9 are all obliquely installed on the liquid spraying pipe 8.

[0037] The feeding mechanism includes a feeding barrel 10, a fixing frame 11, a hydraulic cylinder 12 and a piston 13. The bottom end of the feeding barrel 10 is mounted on the top conveying pipe 2 through an electric control valve, the hydraulic cylinder 12 is mounted on the feeding barrel 10 through the fixing frame 11, the piston 13 is mounted on the bottom end of the hydraulic cylinder 12, and the piston 13 is located inside the feeding barrel 10;

[0038] The temperature regulating mechanism comprises a plurality of sets of spiral blades 14, which are respectively installed inside the plurality of sets of conveying pipes 2, and a heating element is arranged inside the plurality of sets of spiral blades 14;

[0039] The flushing mechanism includes a sealing cover 15, a drainage pump 16, a one-way valve 17 and a discharge valve 18. The sealing cover 15 is installed on one end of the bottom conveying pipe 2, the drainage pump 16 is installed on the sealing cover 15, and the drainage port of the drainage pump 16 is communicated with the interior of the sealing cover 15. The one-way valve 17 is installed on the drainage port of the drainage pump 16, and the discharge valve 18 is installed at the bottom end of the sealing cover 15;

[0040] The delivery pipe 2 and the connecting pipe 3 are sealed and connected via a flange;

[0041] Pour the various liquid raw materials into the feed barrel 4, close the feed valve on the feed barrel 4, open the booster pump 5 to pressurize the inside of the feed barrel 4, discharge the various liquid raw materials into the multiple groups of delivery pipes 2 and the multiple groups of connecting pipes 3, and the various liquid raw materials entering the delivery pipe 2 enter the discharge pipe 7, discharge the various liquid raw materials into the spray pipe 8 through the discharge pipe 7, and then spray the various liquid raw materials through the multiple groups of nozzles 9 to mix the various liquid raw materials, and at the same time, rotate the spray pipe 8 while spraying the various liquid raw materials through the multiple groups of nozzles 9, and shrink the hydraulic cylinder 12 at the same time. The powdered raw material is poured into the feeding barrel 10, and then the hydraulic cylinder 12 is extended to extend the piston 13 into the feeding barrel 10 to seal the feeding barrel 10, and then the electric control valve at the bottom of the feeding barrel 10 is opened to allow part of the liquid raw material in the delivery pipe 2 to enter the feeding barrel 10, and then the hydraulic cylinder 12 is further extended to move the piston 13 downward to pressurize the inside of the feeding barrel 10, and the liquid raw material and powdered raw material in the feeding barrel 10 are discharged into the delivery pipe 2, and then the above steps are repeated to allow the liquid raw material to repeatedly enter the feeding barrel 10, and the powdered raw material in the feeding barrel 10 is All the raw materials are flushed into the conveying pipe 2, and during the reaction process, the spiral blades 14 are used to spirally guide the raw materials flowing in the conveying pipe 2 to further mix the raw materials. At the same time, the temperature of the raw materials is adjusted by the heating raw materials in the multiple sets of spiral blades 14, and then the semi-finished azelaic acid products in the multiple sets of conveying pipes 2 and the multiple sets of connecting pipes 3 are discharged by opening the discharge valve 18. After the semi-finished azelaic acid products are discharged, the water source is connected to the water inlet of the drainage pump 16, the discharge valve 18 is closed, and the feed valve on the feed barrel 4 is opened to allow the drainage pump 16 to discharge clean water into the multiple sets of conveying pipes 2 and the multiple sets of connecting pipes. The clean water is passed through the nozzle 9, the liquid spraying pipe 8 and the liquid discharge pipe 7 in sequence, and then enters the feed barrel 4 to complete the first cleaning of the equipment. Then the drain pump 16 is closed, the discharge valve 18 is opened, and the inside of the feed barrel 4 is pressurized by the booster pump 5 to make the clean water in the feed barrel 4, the conveying pipe 2, the connecting pipe 3, the liquid discharge pipe 7, the liquid spraying pipe 8 and the nozzle 9 move downward to clean the inside of the equipment for the second time. At the same time, the drain port of the drain pump 16 is sealed by the one-way valve 17, and the sewage is discharged through the discharge valve 18, thereby improving the practicability of the equipment.

[0042] The booster pump 5, hydraulic cylinder 12 and drainage pump 16 of the pipeline reactor for preparing azelaic acid of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual without the need for creative labor by technicians in this field.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A pipeline reactor for preparing azelaic acid, comprising a conveying mechanism; characterized in that: It also includes multiple groups of mixing mechanisms, feeding mechanisms and temperature regulating mechanisms, which are all installed on the conveying mechanism; The conveying mechanism conveys and pressurizes the raw materials, the mixing mechanism mixes the raw materials, the feeding mechanism feeds the conveying mechanism, and the temperature regulating mechanism regulates the temperature of the raw materials.

2. A pipeline reactor for preparing azelaic acid according to claim 1, characterized in that: The conveying mechanism comprises a support frame (1), multiple groups of conveying pipes (2), multiple groups of connecting pipes (3), a feed barrel (4) and a booster pump (5); the multiple groups of conveying pipes (2) are all installed on the support frame (1); the multiple groups of connecting pipes (3) are respectively installed on the multiple groups of conveying pipes (2); the feed barrel (4) is installed on one end of the top conveying pipe (2); the booster pump (5) is installed on the feed barrel (4); and a feed valve is provided at the top of the feed barrel (4).

3. A pipeline reactor for preparing azelaic acid according to claim 2, characterized in that: The mixing mechanism comprises a sealing seat (6), a liquid discharge pipe (7), a liquid spray pipe (8) and a plurality of groups of spray heads (9); the sealing seat (6) is mounted inside the delivery pipe (2); the liquid discharge pipe (7) is rotatably mounted on the sealing seat (6); the liquid spray pipe (8) is fixedly mounted on the liquid discharge pipe (7); and the plurality of groups of spray heads (9) are all obliquely mounted on the liquid spray pipe (8).

4. A pipeline reactor for preparing azelaic acid according to claim 2, characterized in that: The feeding mechanism comprises a feeding barrel (10), a fixing frame (11), a hydraulic cylinder (12) and a piston (13); the bottom end of the feeding barrel (10) is mounted on the top conveying pipe (2) via an electric control valve; the hydraulic cylinder (12) is mounted on the feeding barrel (10) via the fixing frame (11); the piston (13) is mounted on the bottom end of the hydraulic cylinder (12), and the piston (13) is located inside the feeding barrel (10).

5. A pipeline reactor for preparing azelaic acid according to claim 2, characterized in that: The temperature regulating mechanism comprises a plurality of groups of spiral blades (14), the plurality of groups of spiral blades (14) being respectively installed inside the plurality of groups of conveying pipes (2), and heating elements are arranged inside the plurality of groups of spiral blades (14).

6. A pipeline reactor for preparing azelaic acid according to claim 2, characterized in that: The invention also comprises a sealing cover (15), a drainage pump (16), a one-way valve (17) and a discharge valve (18); the sealing cover (15) is mounted on one end of the bottom conveying pipe (2); the drainage pump (16) is mounted on the sealing cover (15); and the drainage port of the drainage pump (16) is communicated with the interior of the sealing cover (15); the one-way valve (17) is mounted on the drainage port of the drainage pump (16); and the discharge valve (18) is mounted on the bottom end of the sealing cover (15).

7. A pipeline reactor for preparing azelaic acid according to claim 2, characterized in that: The delivery pipe (2) and the connecting pipe (3) are sealed and connected via a flange.

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