Monomethylamine hydrochloride solution preparation equipment
The automated quantitative addition equipment solves the problems of labor intensity and error associated with manual quantitative addition of monomethylamine hydrochloride solution, and achieves efficient generation of monomethylamine hydrochloride solution with the required concentration and amount.
Patent Information
- Application Number
- CN202423218764.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-26
AI Technical Summary
In the preparation of monomethylamine hydrochloride solution, the manual quantitative addition of the preparation agent increases the labor intensity and introduces errors, affecting the preparation quality.
An automated quantitative addition device was designed, comprising a gantry, a preparation tank, a gas generating tank, a hydrochloric acid tank, and a distillation tank. The device utilizes a PLC touch screen all-in-one machine to control the pump and gas flow controller, thereby achieving precise addition and mixing of hydrochloric acid solution, distilled water, and methylamine gas.
It enables automated quantitative addition of the preparation agent, reduces manual labor intensity, improves preparation quality and ease of operation, and generates the required concentration and amount of monomethylamine hydrochloride solution.
Smart Images
Figure CN223811039U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to solution production technical field, concretely is monomethylamine hydrochloride solution preparation equipment. BACKGROUND
[0002] Monomethylamine hydrochloride is a strong alkaline substance, can produce hydroxide ion in water rapidly, has strong alkaline property, monomethylamine hydrochloride is an important organic compound, has extensive application value in the fields such as medicine, pesticide, fuel, organic synthesis and analytical reagent,
[0003] When preparing monomethylamine hydrochloride solution, the operator needs to add the preparation agent to be added to the reactor after being quantified, and the quantification and addition increase the labor intensity of manual operation, and the manual quantification often has errors, which reduces the preparation quality, therefore, a monomethylamine hydrochloride solution preparation equipment capable of automatically quantifying and adding preparation agent is provided to solve the above problems. UTILITY MODEL CONTENT
[0004] The utility model discloses a monomethylamine hydrochloride solution preparation equipment, which realizes the function of automatically quantifying and adding preparation agent, is convenient to operate, improves the practicability, and reduces the labor intensity of manual operation.
[0005] To achieve the above object, the utility model provides the following technical scheme: monomethylamine hydrochloride solution preparation equipment, including portal frame, the preparation tank of setting in the portal frame, the gas generating tank of setting on the portal frame, the hydrochloric acid tank and the distillation tank of setting on both sides of the portal frame, the pipeline that is communicated with the preparation tank is provided on the gas generating tank, and the gas flow controller is provided on the pipeline, the first pump and the second pump are provided on the hydrochloric acid tank and the distillation tank respectively, the input and the output of the first pump are communicated with the hydrochloric acid tank and the preparation tank through the pipeline respectively, the input and the output of the second pump are communicated with the distillation tank and the preparation tank through the pipeline respectively, the first radar liquid level meter is provided in the inside top of the preparation tank, the PLC touch screen all-in-one machine is provided on the portal frame, the PLC touch screen all-in-one machine is electrically connected with the first radar liquid level meter, the first pump, the second pump and the gas flow controller respectively, the stirring frame is arranged in the preparation tank, the exhaust pipe and the discharge pipe are arranged on the top and the bottom of the preparation tank respectively, and the control valve is arranged on the exhaust pipe and the discharge pipe.
[0006] In order to ensure uniform mixing, as the monomethylamine hydrochloride solution preparation equipment of the utility model is preferred, the stirring frame includes a vertically arranged drive shaft, and stirring rods are transversely arranged at equal distances from top to bottom on the outside of the drive shaft, shear rods are transversely arranged at equal distances from top to bottom on the inner wall of the preparation tank, and a motor is arranged on the top of the preparation tank, and the output shaft of the motor is coaxially arranged with the drive shaft.
[0007] In order to easily observe the change of the solution, as the monomethylamine hydrochloride solution preparation equipment of the utility model preferably, the preparation tank is provided with an observation window, and a scale table is attached to the observation window.
[0008] In order to easily automatically add hydrochloric acid liquid and distilled water into the hydrochloric acid tank and the distillation tank, as the monomethylamine hydrochloride solution preparation equipment of the utility model preferably, a liquid adding pump is arranged on one side of the hydrochloric acid tank and the distillation tank, a second radar liquid level meter is arranged on the top inside of the hydrochloric acid tank and the distillation tank, and the second radar liquid level meter and the liquid adding pump are electrically connected with the PLC touch screen all-in-one machine.
[0009] In order to play a heat insulation role, as the monomethylamine hydrochloride solution preparation equipment of the utility model preferably, heat insulation sleeves are arranged on the outer walls of the preparation tank and the hydrochloric acid tank.
[0010] In order to avoid the backflow of gas in the preparation tank, as the monomethylamine hydrochloride solution preparation equipment of the utility model preferably, a one-way valve is arranged on the pipeline between the gas generating tank and the preparation tank, on the pipeline between the first pump and the preparation tank, and on the pipeline between the second pump and the preparation tank.
[0011] Compared with the prior art, the monomethylamine hydrochloride solution preparation equipment of the utility model has the following beneficial effects:
[0012] The monomethylamine hydrochloride solution preparation equipment of the utility model stores hydrochloric acid liquid and distilled water in the hydrochloric acid tank and the distillation tank, starts the first pump and the second pump in sequence, adds the hydrochloric acid liquid and the distilled water in the hydrochloric acid tank and the distillation tank into the preparation tank in sequence, realizes the function of quantitatively adding the hydrochloric acid liquid and the distilled water through the accurate detection of the first radar liquid level meter, controls the gas conveying flow of the methanamine gas through the gas flow controller, realizes the function of accurately adding the methanamine gas, ensures uniform mixing through the stirring frame, and finally generates monomethylamine hydrochloride; the monomethylamine hydrochloride solution with the required concentration and the required amount is obtained; the entire equipment realizes the function of automatically and quantitatively adding the preparation agent, is convenient to operate, and improves the practicability. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of the utility model;
[0014] Figure 2 It is a structural schematic view of A-A of Figure 1
[0015] In the figure: 1, gantry; 2, preparation tank; 3, gas generating tank; 4, hydrochloric acid tank; 5, distillation tank; 6, gas flow controller; 7, first pump; 8, second pump; 9, first radar liquid level meter; 10, PLC touch screen all-in-one machine; 11, stirring frame; 12, exhaust pipe; 13, discharge pipe; 14, control valve; 15, drive shaft; 16, stirring rod; 17, shear rod; 18, motor; 19, observation window; 20, scale; 21, liquid feeding pump; 22, second radar liquid level meter; 23, heat insulation sleeve; 24, check valve. DETAILED DESCRIPTION
[0016] Please refer to Figure 1 and 2 , a methylamine hydrochloride solution preparation device, comprising a gantry 1, a preparation tank 2 arranged in the gantry 1, a gas generating tank 3 arranged on the gantry 1, a hydrochloric acid tank 4 and a distillation tank 5 arranged on both sides of the gantry 1; the gas generating tank 3 is provided with a pipeline in communication with the preparation tank 2, and the pipeline is provided with a gas flow controller 6; the hydrochloric acid tank 4 and the distillation tank 5 are respectively provided with a first pump 7 and a second pump 8, the input end and the output end of the first pump 7 are respectively communicated with the hydrochloric acid tank 4 and the preparation tank 2 through pipelines, and the input end and the output end of the second pump 8 are respectively communicated with the distillation tank 5 and the preparation tank 2 through pipelines; the first radar liquid level meter 9 is arranged at the top of the inside of the preparation tank 2, the PLC touch screen all-in-one machine 10 is arranged on the gantry 1, and the PLC touch screen all-in-one machine 10 is electrically connected with the first radar liquid level meter 9, the first pump 7, the second pump 8 and the gas flow controller 6 respectively; the stirring frame 11 is arranged in the preparation tank 2; the exhaust pipe 12 and the discharge pipe 13 are arranged at the top and the bottom of the preparation tank 2 respectively, and the exhaust pipe 12 and the discharge pipe 13 are both provided with the control valve 14.
[0017] In the embodiment, before preparation, the content of hydrochloric acid, the content of distilled water and the delivery amount of methylamine gas required in preparation are calculated according to the required concentration and the required amount; the hydrochloric acid solution and the distilled water are stored in the hydrochloric acid tank 4 and the distillation tank 5; the hydrochloric acid solution in the hydrochloric acid tank 4 is delivered to the preparation tank 2 by starting the first pump 7, the delivery amount of the hydrochloric acid solution in the preparation tank 2 is detected in real time by the first radar liquid level meter 9, and the model detected by the first radar liquid level meter 9 is received by the PLC touch screen all-in-one machine 10; when the detected amount reaches the set value, the PLC touch screen all-in-one machine 10 controls the first pump 7 to be powered off; and the distilled water in the distillation tank 5 is delivered to the preparation tank 2 by starting the second pump 8 (the distilled water is used as a solvent, and the amount of the distilled water can be adjusted according to the different required concentrations of monomethylamine hydrochloride); after the delivered liquid level reaches the set value, the PLC touch screen all-in-one machine 10 controls the second pump 8 to be powered off; the hydrochloric acid solution is generated by the reaction of the hydrochloric acid solution and the distilled water; the gas flow controller 6 on the gas generating tank 3 is opened, and the methylamine gas is slowly introduced into the preparation tank 2; the gas flow controller 6 can control the aeration rate by gradually opening the aeration pipeline or using a suitable gas flow control device, so that the methylamine gas is dissolved in the hydrochloric acid solution, and the preparation agent in the preparation tank 2 is stirred by the stirring frame 11 to ensure uniform mixing, and finally monomethylamine hydrochloride is generated; the reaction process is accompanied by a certain amount of heat release, the exhaust pipe 12 is easy to safely release heat, and safety accidents are avoided; after the reaction, the discharge pipe 13 is opened, and a suitable container is used to prepare the monomethylamine hydrochloride solution for subsequent use.
[0018] The gas generating tank 3 is a container for generating or storing methylamine gas, chemical substances for generating methylamine gas are placed in the middle of the bottom of the gas generating tank 3, and the chemical substances are reacted by adding a solution to generate methylamine gas; the model of the gas flow controller 6 is ALI CAT.
[0019] As a technical optimization scheme of the utility model, the stirring frame 11 comprises a driving shaft 15 arranged vertically, and a stirring rod 16 arranged horizontally and equidistantly on the outside of the driving shaft 15 from top to bottom; a shearing rod 17 is arranged equidistantly on the inner wall of the preparation tank 2 from top to bottom and staggered with the stirring rod 16; a motor 18 is arranged on the top of the preparation tank 2, and the output shaft of the motor 18 is coaxially arranged with the driving shaft 15.
[0020] In the embodiment, the motor 18 is started, and the stirring frame 11 rotates to drive the stirring rod 16 to rotate, so that the preparation agent in the preparation tank 2 is easily stirred; when the stirring rod 16 rotates with the material, the shearing rod 17 can improve the mixing quality and efficiency of the preparation agent in the preparation tank 2, so that the solution is uniformly mixed.
[0021] As a technical optimization scheme of the utility model, an observation window 19 is arranged on the preparation tank 2, and a scale table 20 is attached to the observation window 19.
[0022] In the embodiment: the observation window 19 can visually observe the change of the solution, and the scale table 20 can visually check the preparation amount after the reaction.
[0023] As a technical optimization scheme of the utility model, the hydrochloric acid tank 4 and the distillation tank 5 are provided with liquid adding pumps 21 on one side, and the hydrochloric acid tank 4 and the distillation tank 5 are provided with second radar liquid level meters 22 on the top inside, and the second radar liquid level meters 22 and the liquid adding pumps 21 are electrically connected with the PLC touch screen all-in-one machine 10.
[0024] In the embodiment: the second radar liquid level meters 22 in the hydrochloric acid tank 4 and the distillation tank 5 detect the residual amount of hydrochloric acid liquid and distilled water in the hydrochloric acid tank 4 and the distillation tank 5 respectively, the PLC touch screen all-in-one machine 10 receives the signal detected by the second radar liquid level meters 22, when the value is lower than the set value, the PLC touch screen all-in-one machine 10 controls the liquid adding pump 21 to start, so that the hydrochloric acid and the distilled water can be easily added into the hydrochloric acid tank 4 and the distillation tank 5 respectively, and the input ends of the two liquid adding pumps 21 are communicated with the tank for supplying hydrochloric acid liquid and the tank for supplying distilled water respectively.
[0025] Meanwhile, when the hydrochloric acid liquid or the distilled water is delivered to the preparation tank 2 through the second radar liquid level meters 22 in the hydrochloric acid tank 4 and the distillation tank 5, the second radar liquid level meters 22 detect the liquid level in the hydrochloric acid tank 4 and the distillation tank 5 and send the detected signal to the PLC touch screen all-in-one machine 10, the PLC touch screen all-in-one machine 10 analyzes and processes the value detected by the first radar liquid level meter 9, so that the content of the hydrochloric acid liquid or the distilled water added into the preparation tank 2 can be more accurately determined, and the effect of precise quantitative addition can be realized.
[0026] As a technical optimization scheme of the utility model, the preparation tank 2 and the hydrochloric acid tank 4 are provided with heat insulation sleeves 23 on the outer walls.
[0027] In the embodiment: the heat insulation sleeves 23 play a heat insulation role for the preparation tank 2 and the hydrochloric acid tank 4, so that the temperature of the preparation tank 2 and the hydrochloric acid tank 4 is not too high, the temperature inside and outside the preparation tank 2 and the hydrochloric acid tank 4 should not exceed 30 DEG C, so as to ensure that the preparation tank 2 and the hydrochloric acid tank 4 will not be decomposed or deteriorated due to high temperature (the most suitable storage temperature of hydrochloric acid is 15-25 DEG C).
[0028] As a technical optimization scheme of the utility model, one-way valves 24 are arranged on the pipelines between the gas generating tank 3 and the preparation tank 2, the first pump 7 and the preparation tank 2 and the second pump 8 and the preparation tank 2 respectively.
[0029] In the embodiment: the one-way valves 24 prevent the methanamine gas in the preparation tank 2 from flowing back to the outside.
[0030] The working principle and the use process of the utility model are as follows:
[0031] The hydrochloric acid liquid and distilled water are stored in the hydrochloric acid tank 4 and the distillation tank 5; the hydrochloric acid liquid in the hydrochloric acid tank 4 is transported to the preparation tank 2 by starting the first pump 7, the first radar liquid level meter 9 in the preparation tank 2 detects the transportation amount of the hydrochloric acid liquid in the preparation tank 2 in real time, and the PLC touch screen all-in-one machine 10 receives the model detected by the first radar liquid level meter 9; when the detected amount reaches the set value, the PLC touch screen all-in-one machine 10 controls the first pump 7 to be powered off; and the second pump 8 is started to transport the distilled water in the distillation tank 5 to the preparation tank 2 (the distilled water is used as a solvent, and the amount of the distilled water can be adjusted according to different concentrations of the required monomethylamine hydrochloride); when the transported liquid level reaches the set value, the PLC touch screen all-in-one machine 10 controls the second pump 8 to be powered off; the hydrochloric acid liquid reacts with the distilled water to generate a hydrochloric acid solution; the gas flow controller 6 on the gas generating tank 3 is opened, and the methylamine gas is slowly introduced into the preparation tank 2; the gas flow controller 6 can control the aeration rate by gradually opening the aeration pipeline or using a suitable gas flow control device, so that the methylamine gas is dissolved in the hydrochloric acid solution, and the preparation agent in the preparation tank 2 is stirred by the stirring frame 11 to ensure uniform mixing, and finally monomethylamine hydrochloride is generated; the reaction process is accompanied by a certain heat release phenomenon, the exhaust pipe 12 is easy to safely release heat, and safety accidents are avoided; after the reaction, the discharge pipe 13 is opened, and a suitable container is used to prepare the monomethylamine hydrochloride solution for subsequent use.
[0032] The above is only a preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. A device for preparing monomethylamine hydrochloride solution, characterized in that: The system includes a gantry (1), a preparation tank (2) located within the gantry (1), a gas generating tank (3) located on the gantry (1), a hydrochloric acid tank (4) located on both sides of the gantry (1), and a distillation tank (5). The gas generating tank (3) is equipped with a pipe connected to the preparation tank (2), and a gas flow controller (6) is installed on the pipe. The hydrochloric acid tank (4) and the distillation tank (5) are respectively equipped with a first pump (7) and a second pump (8). The input and output ends of the first pump (7) are connected to the hydrochloric acid tank (4) and the preparation tank (2) respectively via pipes. The input and output ends of the second pump (8) are also connected to the hydrochloric acid tank (4) and the preparation tank (2) respectively. The tank is connected to the distillation tank (5) and the preparation tank (2) through pipes respectively; a first radar level gauge (9) is installed at the top inside the preparation tank (2), and a PLC touch screen all-in-one machine (10) is installed on the gantry (1). The PLC touch screen all-in-one machine (10) is electrically connected to the first radar level gauge (9), the first pump (7), the second pump (8), and the gas flow controller (6) respectively; a stirring rack (11) is installed inside the preparation tank (2); an exhaust pipe (12) and a discharge pipe (13) are installed at the top and bottom of the preparation tank (2) respectively, and a control valve (14) is installed on both the exhaust pipe (12) and the discharge pipe (13).
2. The apparatus for preparing monomethylamine hydrochloride solution according to claim 1, characterized in that: The stirring rack (11) includes a vertically arranged drive shaft (15) and stirring rods (16) arranged horizontally at equal distances from top to bottom on the outside of the drive shaft (15); shearing rods (17) arranged at equal distances from top to bottom on the inner wall of the preparation tank (2) and intersecting with the stirring rods (16); a motor (18) is arranged on the top of the preparation tank (2), and the output shaft of the motor (18) is coaxially arranged with the drive shaft (15).
3. The apparatus for preparing monomethylamine hydrochloride solution according to claim 1, characterized in that: The preparation tank (2) is provided with an observation window (19), and a scale (20) is attached to the observation window (19).
4. The apparatus for preparing monomethylamine hydrochloride solution according to claim 1, characterized in that: A liquid addition pump (21) is provided on one side of both the hydrochloric acid tank (4) and the distillation tank (5). A second radar level gauge (22) is provided on the top inside both the hydrochloric acid tank (4) and the distillation tank (5). The second radar level gauge (22) and the liquid addition pump (21) are electrically connected to the PLC touch screen all-in-one machine (10).
5. The apparatus for preparing monomethylamine hydrochloride solution according to claim 1, characterized in that: Both the preparation tank (2) and the hydrochloric acid tank (4) are provided with heat insulation sleeves (23).
6. The apparatus for preparing monomethylamine hydrochloride solution according to claim 1, characterized in that: One-way valves (24) are respectively installed on the pipeline between the gas generating tank (3) and the preparation tank (2), the pipeline between the first pump (7) and the preparation tank (2), and the pipeline between the second pump (8) and the preparation tank (2).