DMF (Dimethyl Formamide) real-time concentration analysis and liquid supplementing system

Abstract

The utility model discloses a DMF (Dimethyl Formamide) real-time concentration analysis device, which belongs to a liquid supplementing system and comprises a liquid preparation tank, a liquid adding hopper is arranged on the top surface of the liquid preparation tank in a penetrating manner, a concentration analysis component is arranged in the liquid preparation tank and comprises a driving module and a rotating frame, the rotating frames are symmetrically arranged at the top end and the bottom end of the outer arc surface of the rotating rod respectively, the number of the rotating frames is three, and stirring plates are rotationally arranged among the three rotating frames. A plurality of round holes are further formed in the side wall of the stirring plate so that the stirring plate can fully stir the prepared liquid in the liquid preparation tank when rotating, meanwhile, a rotatable second fixing rod is arranged at the top of the liquid preparation tank, and a water pipe is fixedly arranged on the outer arc surface of the second fixing rod; the DMF liquid in the liquid storage tank can be quantitatively added into the liquid preparation tank by rotating the water pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of DMF processing, in particular to a real-time concentration analysis and liquid replenishment system for DMF. Background Technique

[0002] Dimethylformamide (DMF) is an organic compound with the chemical formula C3H7NO and is a colorless transparent liquid. It is miscible with water and can be miscible with most organic solvents. It is a commonly used solvent for chemical reactions, and is both a chemical raw material with extremely wide uses and an excellent solvent with wide uses.

[0003] However, in the prior art, during the use of DMF, it is necessary to perform real-time concentration analysis on the organic matter added with DMF. After the analysis, when the concentration is insufficient, it is necessary to add DMF. When adding manually, it is necessary to weigh the capacity of DMF and then add it to the organic matter, and the operation is relatively cumbersome. Therefore, a real-time concentration analysis and liquid replenishment system for DMF is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a real-time concentration analysis and liquid replenishment system for DMF. By arranging a rotatable stirring plate inside the liquid preparation tank to fully stir the liquid in the liquid preparation tank, and a rotatable second fixing rod is also arranged on the top of the liquid preparation tank, and a water pipe is fixedly arranged on the outer arc surface of the second fixing rod, so as to quantitatively add the DMF liquid in the liquid storage tank into the liquid preparation tank through the water pipe, so as to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A real-time concentration analysis for DMF includes a liquid preparation tank, a liquid adding hopper is penetrated through the top surface of the liquid preparation tank, and a concentration analysis component is arranged inside the liquid preparation tank;

[0007] The concentration analysis component includes a driving module and a rotating frame. The rotating frames are symmetrically arranged at the top and bottom of the outer arc surface of the rotating rod respectively, and there are three groups respectively. Stirring plates are rotatably arranged between the three groups of rotating frames. First fixing rods are respectively arranged inside the three groups of rotating frames and on the inner side of the stirring plates. Concentration analyzer detection heads are arranged on the outer arc surfaces of the first fixing rods. The bottom end of the rotating rod is key-connected to the driving module.

[0008] Preferably, a plurality of round holes are opened on the side walls of the stirring plates.

[0009] Preferably, the driving module includes a rotating motor. The rotating motor is fixedly installed on the bottom surface of the liquid preparation tank. The bottom end of the rotating rod penetrates through the bottom surface of the liquid preparation tank and is key-connected to the output shaft of the rotating motor.

[0010] Preferably, a liquid outlet pipe is provided through the bottom surface of the liquid preparation tank, and a valve is further provided on the side wall of the liquid outlet pipe.

[0011] Based on the above-described real-time DMF concentration analysis, a liquid replenishing system is further provided, including a bracket fixedly installed on the surface of the liquid preparation tank and above the liquid filling hopper. A servo motor is bolted to the top surface of the bracket. The output shaft of the servo motor is key-connected to one end of a second fixing rod, and the other end of the second fixing rod is rotatably arranged on the inner bottom surface of the liquid storage tank. A water pipe is fixedly arranged on the outer arc surface of the second fixing rod.

[0012] Preferably, the top surface of the bracket is inclined, and the inclined direction is towards the liquid filling hopper.

[0013] Preferably, the liquid storage tank is fixedly installed on the surface of the liquid preparation tank, and a through hole is provided on the side wall of the liquid storage tank facing the liquid filling hopper. The second fixing rod and the water pipe are rotatably arranged inside the through hole.

[0014] Preferably, a controller is provided on the top surface of the liquid preparation tank outside the outer side wall of the liquid storage tank, and legs are further provided on the bottom surface of the liquid preparation tank.

[0015] Compared with the prior art, the beneficial effects of the present utility model are:

[0016] In the present utility model, a rotatable stirring plate is provided inside the liquid preparation tank to stir the liquid in the liquid preparation tank. A plurality of round holes are further provided on the side wall of the stirring plate to facilitate full stirring of the liquid in the liquid preparation tank when the stirring plate rotates. At the same time, a rotatable second fixing rod is provided on the top of the liquid preparation tank, and a water pipe is fixedly arranged on the outer arc surface of the second fixing rod to facilitate the water pipe to rotate and quantitatively add the DMF liquid in the liquid storage tank into the liquid preparation tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is a schematic diagram of the internal structure of the liquid preparation tank of the present utility model;

[0019] Figure 3 is a schematic diagram of the position structure of the detection head of the concentration analyzer of the present utility model;

[0020] Figure 4 is a schematic diagram of the position structure of the second fixing rod and the water pipe of the present utility model.

[0021] In the figure: 1, liquid preparation tank; 2, support leg; 3, rotation motor; 4, rotating rod; 5, rotating frame; 6, stirring plate; 7, first fixing rod; 8, concentration analyzer detection head; 9, liquid outlet pipe; 10, valve; 11, support; 12, servo motor; 13, second fixing rod; 14, water pipe; 15, liquid storage tank; 16, controller; 17, through hole; 18, liquid filling hopper. Detailed implementation manners

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 to 4 , the present invention provides a technical solution:

[0024] A real-time DMF concentration analysis includes a liquid preparation tank 1. A liquid filling hopper 18 is provided through the top surface of the liquid preparation tank 1. A concentration analysis component is provided inside the liquid preparation tank 1;

[0025] The concentration analysis component includes a driving module and a rotating frame 5. The rotating frames 5 are symmetrically arranged at the top and bottom of the outer arc surface of the rotating rod 4 respectively, and three groups are provided. Stirring plates 6 are rotatably arranged between the three groups of rotating frames 5. First fixing rods 7 are respectively arranged inside the three groups of rotating frames 5 and on the inner side of the stirring plates 6. Concentration analyzer detection heads 8 are arranged on the outer arc surfaces of the first fixing rods 7. The bottom end of the rotating rod 4 is key-connected to the driving module.

[0026] By providing a rotatable rotating frame 5 inside the liquid preparation tank 1, and the rotating frames 5 are symmetrically arranged at the top and bottom of the outer arc surface of the rotating rod 4 respectively, and three groups are provided. Stirring plates 6 are rotatably arranged between the three groups of rotating frames 5, and first fixing rods 7 are fixedly installed between the three groups of rotating frames 5. Concentration analyzer detection heads 8 are arranged on the outer arc surfaces of the first fixing rods 7 respectively, so as to drive the rotating rod 4 to rotate through the driving module, and then drive the stirring plates 6 between the rotating frames 5 on the side wall of the rotating rod 4 to stir the liquid in the liquid preparation tank 1, and perform real-time concentration detection on the liquid through the concentration analyzer detection heads 8.

[0027] A plurality of round holes are provided on the side walls of the stirring plates 6. By providing a plurality of round holes on the side walls of the stirring plates 6, it is convenient for the stirring plates 6 to fully stir the liquid during rotation, and it is convenient for the concentration analyzer detection heads 8 to perform concentration detection on it.

[0028] The driving module includes a rotating motor 3, which is fixedly installed on the bottom surface of the liquid dispensing tank 1. The bottom end of the rotating rod 4 penetrates through the bottom surface of the liquid dispensing tank 1 and is key-connected to the output shaft of the rotating motor 3.

[0029] By setting the bottom end of the rotating rod 4 to penetrate through the bottom surface of the liquid dispensing tank 1 and be key-connected to the output shaft of the rotating motor 3, it is convenient to drive the rotating rod 4 to rotate by starting the rotating motor 3, and then drive the rotating frame 5 fixedly installed on the outer arc surface of the rotating rod 4 to rotate, so that the stirring plate 6 fully stirs the liquid in the liquid dispensing tank 1.

[0030] The bottom surface of the liquid dispensing tank 1 is provided with a liquid outlet pipe 9 in a penetrating manner, and a valve 10 is also provided on the side wall of the liquid outlet pipe 9. By setting the liquid outlet pipe 9 to penetrate through the liquid dispensing tank 1 and a valve 10 is also provided on the side wall of the liquid outlet pipe 9, it is convenient to control the liquid output of the liquid outlet pipe 9 through the valve 10.

[0031] Based on the above real-time DMF concentration analysis, a liquid replenishing system is also provided, which includes a bracket 11. The bracket 11 is fixedly installed on the surface of the liquid dispensing tank 1 and above the liquid filling hopper 18. A servo motor 12 is bolted to the top surface of the bracket 11. The output shaft of the servo motor 12 is key-connected to one end of the second fixing rod 13. The other end of the second fixing rod 13 is rotatably arranged on the inner bottom surface of the liquid storage tank 15. A water pipe 14 is fixedly arranged on the outer arc surface of the second fixing rod 13.

[0032] By arranging a rotatable second fixing rod 13 on the top of the liquid dispensing tank 1 and a water pipe 14 is fixedly arranged on the outer arc surface of the second fixing rod 13, it is convenient to drive the second fixing rod 13 to rotate by starting the servo motor 12, so that the water pipe 14 adds the DMF liquid inside the liquid storage tank 15 into the liquid filling hopper 18. Through the rotation of the second fixing rod 13, the water pipe 14 on the outer arc surface of the second fixing rod 13 quantitatively adds the DMF liquid to the liquid filling hopper 18, and then the stirring plate 6 inside the liquid dispensing tank 1 fully stirs it.

[0033] The top surface of the bracket 11 is inclined, and the direction of the inclined surface faces the liquid filling hopper 18. By setting the top surface of the bracket 11 to be inclined and the direction of the inclined surface faces the liquid filling hopper 18, it is convenient for the servo motor 12 installed on the top surface of the bracket 11 to drive the second fixing rod 13 to rotate.

[0034] The liquid storage tank 15 is fixedly installed on the surface of the liquid dispensing tank 1, and a through hole 17 is opened on the side wall of the liquid storage tank 15 facing the liquid filling hopper 18. The second fixing rod 13 and the water pipe 14 are rotatably arranged inside the through hole 17.

[0035] By arranging the liquid storage tank 15 fixedly installed on the surface of the liquid dispensing tank 1, and a through hole 17 is provided on the side wall of the liquid storage tank 15 facing the liquid filling hopper 18, the second fixing rod 13 and the water pipe 14 are rotatably arranged inside the through hole 17, so as to support and limit the second fixing rod 13 and the water pipe 14 through the liquid filling hopper 18.

[0036] A controller 16 is arranged on the top surface of the liquid dispensing tank 1 at the outer side wall of the liquid storage tank 15, and legs 2 are also arranged on the bottom surface of the liquid dispensing tank 1.

[0037] By arranging a controller 16 on the top surface of the liquid dispensing tank 1 at the outer side wall of the liquid storage tank 15, it is convenient to observe the data fed back by the concentration analyzer detection head 8 inside the liquid dispensing tank 1 through the controller 16, which is convenient for the user to observe.

[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limitations on the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A real-time DMF concentration analysis, including a liquid preparation tank (1), characterized in that: The top surface of the liquid preparation tank (1) is provided with a liquid filling hopper (18) in a penetrating manner, and a concentration analysis component is arranged inside the liquid preparation tank (1); The concentration analysis component includes a driving module and a rotating frame (5). The rotating frames (5) are symmetrically arranged at the top and bottom of the outer arc surface of the rotating rod (4) respectively, and there are three groups. Stirring plates (6) are rotatably arranged between the three groups of rotating frames (5). First fixing rods (7) are respectively arranged inside the stirring plates (6) among the three groups of rotating frames (5). Concentration analyzer detection heads (8) are arranged on the outer arc surfaces of the first fixing rods (7). The bottom end of the rotating rod (4) is key-connected to the driving module.

2. A real-time DMF concentration analysis according to claim 1, characterized in that: A plurality of round holes are formed in the side walls of the stirring plates (6).

3. A real-time DMF concentration analysis according to claim 2, characterized in that: The driving module includes a rotating motor (3). The rotating motor (3) is fixedly installed on the bottom surface of the liquid preparation tank (1). The bottom end of the rotating rod (4) penetrates the bottom surface of the liquid preparation tank (1) and is key-connected to the output shaft of the rotating motor (3).

4. A real-time DMF concentration analysis according to claim 3, characterized in that: The bottom surface of the liquid preparation tank (1) is provided with a liquid outlet pipe (9) in a penetrating manner, and a valve (10) is further arranged on the side wall of the liquid outlet pipe (9).

5. A liquid replenishment system is installed with a real-time DMF concentration analysis according to any one of the above claims 1-4, characterized in that: It includes a bracket (11). The bracket (11) is fixedly installed on the surface of the liquid preparation tank (1) and above the liquid filling hopper (18). A servo motor (12) is bolted to the top surface of the bracket (11). The output shaft of the servo motor (12) is key-connected to one end of a second fixing rod (13). The other end of the second fixing rod (13) is rotatably arranged on the inner bottom surface of a liquid storage tank (15). A water pipe (14) is fixedly arranged on the outer arc surface of the second fixing rod (13).

6. The fluid replenishing system according to claim 5, wherein: The top surface of the bracket (11) is inclined, and the direction of the inclined surface faces the liquid filling hopper (18).

7. The fluid replenishment system according to claim 6, wherein: The liquid storage tank (15) is fixedly installed on the surface of the liquid preparation tank (1). A through hole (17) is formed in the side wall of the liquid storage tank (15) facing the liquid filling hopper (18). The second fixing rod (13) and the water pipe (14) are rotatably arranged inside the through hole (17).

8. The fluid replenishment system according to claim 7, characterized in that: A controller (16) is arranged on the top surface of the liquid preparation tank (1) outside the side wall of the liquid storage tank (15). Legs (2) are further arranged on the bottom surface of the liquid preparation tank (1).

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