Mixing device for diluting hydrochloric acid

By designing a hydrochloric acid dilution and mixing device that includes an outlet pipe, an inlet pipe, and a mixing pipe, the flow rate is controlled by a solenoid valve and a flow meter, and the flow distribution bucket is rotated by a spiral vane. This solves the problems of low efficiency and acid mist escape in traditional hydrochloric acid dilution and mixing, and achieves efficient dilution and concentration adjustment.

CN224071711UActive Publication Date: 2026-04-03JINYI CHUANGDIAN (TIANJIN) TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Traditional hydrochloric acid dilution methods have low mixing efficiency, high heat release, and serious acid mist leakage.

Method used

A mixing device consisting of an outlet pipe, an inlet pipe, and a mixing pipe is used. The flow rates of water and concentrated hydrochloric acid are controlled by a solenoid valve and a flow meter. A spiral vane drives the diversion bucket to rotate, increasing the contact area, improving mixing efficiency, and reducing acid mist generation.

Benefits of technology

It improves the dilution efficiency of hydrochloric acid, enabling it to be used immediately upon opening, resulting in high production efficiency. It also allows for concentration adjustment within a certain range, reducing the generation of acid mist.

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Abstract

The utility model is applicable to the technical field of diluent production, and provides a mixing device for diluting hydrochloric acid, which comprises a liquid outlet pipe, a water inlet pipe and a mixing pipe, a bottom plate is fixedly connected with a top plate through a plurality of side plates, one side plate is fixedly provided with the liquid outlet pipe, the other side plate is fixedly connected with the water inlet pipe, and the mixing pipe is fixedly connected with the bottom plate. A mixing pipe is fixedly connected between the water inlet pipe and the liquid outlet pipe; the mixing pipe is communicated with a liquid inlet pipe, and the lower end of the liquid inlet pipe is communicated with the mixing pipe; a supporting block is fixedly connected to the inner wall of the mixing pipe, a connecting pipe is fixedly connected to the supporting block, one end of the connecting pipe is fixedly connected with the liquid inlet pipe, a plurality of water inlets are further formed in the supporting block, a containing groove is formed in the end, away from the water inlet pipe, of the supporting block, and an annular plate is rotationally connected to the inner wall of the containing groove; a flow dividing hopper is fixedly connected to the annular plate, and a plurality of flow dividing holes are formed in the flow dividing hopper. The device has the advantages that the mixing and diluting efficiency is improved, the device can be used at any time after being opened, the concentration is adjustable, and acid mist is effectively reduced.
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Description

Technical Field

[0001] This utility model relates to the field of diluent production technology, and in particular to a mixing device for diluting hydrochloric acid. Background Technology

[0002] Hydrochloric acid dilution refers to the process of mixing high-concentration hydrochloric acid (HCl aqueous solution) with a certain amount of water or other diluents to reduce its concentration and adapt it to different usage requirements.

[0003] Traditional dilution methods involve directly mixing water and hydrochloric acid in a container, which results in low mixing efficiency, high heat release, and severe acid mist leakage.

[0004] Therefore, in view of the above situation, there is an urgent need to develop a mixing device for diluting hydrochloric acid in order to overcome the shortcomings in current practical applications. Utility Model Content

[0005] The purpose of this utility model embodiment is to provide a mixing device for diluting hydrochloric acid, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A mixing device for diluting hydrochloric acid includes an outlet pipe, an inlet pipe, and a mixing pipe. The mixing pipe is fixedly connected between the inlet pipe and the outlet pipe. A first solenoid valve and a first flow meter are fixedly installed on the inlet pipe. The mixing pipe is connected to the inlet pipe, and the lower end of the inlet pipe is connected to the mixing pipe. A second solenoid valve and a second flow meter are installed on the inlet pipe. A support block is fixedly connected to the inner wall of the mixing pipe. A connecting pipe is fixedly connected to the support block, and one end of the connecting pipe is fixedly connected to the inlet pipe. The support block also has multiple evenly distributed inlets. A receiving groove is formed at the end of the support block away from the inlet pipe. An annular plate is rotatably connected to the inner wall of the receiving groove. A diverting hopper is fixedly connected to the annular plate, and multiple evenly distributed diverting holes are formed on the diverting hopper.

[0008] In a further technical solution, the ring plate and the receiving groove are an integral structure.

[0009] In a further technical solution, the outer wall of the diversion hopper is fixedly connected with spiral blades distributed in a semi-circular pattern.

[0010] In a further technical solution, a chamfer is provided at the end of the water inlet near the water inlet pipe.

[0011] In a further technical solution, the diameter of the inlet pipe is larger than the diameter of the mixing pipe.

[0012] A further technical solution also includes a controller, which is electrically connected to the first solenoid valve, the first flow meter, the second solenoid valve, and the second flow meter, respectively.

[0013] In summary, the embodiments of this utility model have the following beneficial effects compared with the prior art:

[0014] 1. The amount of water entering the mixing pipe through the inlet pipe is controlled by the first solenoid valve and the first flow meter. The water flows through the inlet to the side of the mixing pipe near the outlet pipe. The amount of concentrated hydrochloric acid entering the mixing pipe through the inlet pipe is controlled by the second solenoid valve and the second flow meter. The concentrated hydrochloric acid flows through the inlet pipe through the connecting pipe, then into the diversion hopper, and then into the mixing pipe through the diversion hole. This increases the contact area between the concentrated hydrochloric acid and the water, thereby improving the mixing and dilution efficiency of the concentrated hydrochloric acid and the water. This allows for immediate use, high production efficiency, and adjustable concentration within a certain range, effectively reducing the generation of acid mist.

[0015] 2. Water impacts the spiral blades through the inlet, which in turn drives the spiral blades to rotate, thereby further improving the mixing efficiency of concentrated hydrochloric acid and water.

[0016] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a cross-sectional three-dimensional structural diagram of the present invention;

[0019] Figure 3 This is a three-dimensional structural diagram of the internal structure of the mixing tube of this utility model;

[0020] Figure 4 This utility model Figure 3 A schematic diagram of the three-dimensional structure from another perspective.

[0021] In the diagram: 1. Inlet; 2. Chamfer; 3. Connecting pipe; 4. Outlet pipe; 5. Inlet pipe; 6. First solenoid valve; 7. First flow meter; 8. Inlet pipe; 9. Second solenoid valve; 10. Second flow meter; 11. Mixing pipe; 12. Support block; 13. Diverter hopper; 14. Receptacle; 15. Ring plate; 16. Diverter hole; 17. Spiral blade. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0023] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0024] like Figures 1-4 As shown in the figure, this utility model embodiment provides a mixing device for diluting hydrochloric acid, including an outlet pipe 4, an inlet pipe 5, and a mixing pipe 11. The inlet pipe 5 is connected to a water source, and the mixing pipe 11 is fixedly connected between the inlet pipe 5 and the outlet pipe 4. A first solenoid valve 6 and a first flow meter 7 are fixedly installed on the inlet pipe 5. The first solenoid valve 6 is used to control the opening and closing of the inlet pipe 5, and the first flow meter 7 is used to detect the flow rate of water entering the mixing pipe 11 through the inlet pipe 5. The mixing pipe 11 is connected to an inlet pipe 8. The upper end of the inlet pipe 8 is connected to a concentrated hydrochloric acid storage tank (not shown in the figure) through a delivery pipe, and the lower end of the inlet pipe 8 is connected to the mixing pipe 11. The inlet pipe 8 is fitted with... A second solenoid valve 9 and a second flow meter 10 are provided. The amount of concentrated hydrochloric acid entering the mixing tube 11 through the inlet pipe 8 is controlled by the cooperation of the second solenoid valve 9 and the second flow meter 10. A support block 12 is fixedly connected to the inner wall of the mixing tube 11. A connecting pipe 3 is fixedly connected to the support block 12, and one end of the connecting pipe 3 is fixedly connected to the inlet pipe 8. The support block 12 is also provided with a plurality of evenly distributed water inlets 1. A receiving groove 14 is provided at the end of the support block 12 away from the water inlet pipe 5. A ring plate 15 is rotatably connected to the inner wall of the receiving groove 14. A diversion hopper 13 is fixedly connected to the ring plate 15. A plurality of evenly distributed diversion holes 16 are provided on the diversion hopper 13.

[0025] Furthermore, the annular plate 15 and the receiving groove 14 are an integral structure.

[0026] Furthermore, a spiral blade 17 distributed in a semi-circular pattern is fixedly connected to the outer wall of the diversion bucket 13. Water impacts the spiral blade 17 through the inlet 1, thereby driving the spiral blade 17 to move, which in turn drives the diversion bucket 13 to rotate.

[0027] Furthermore, each of the water inlets 1 has a chamfer 2 at the end near the water inlet pipe 5.

[0028] Furthermore, the diameter of the inlet pipe 5 is larger than that of the mixing pipe 11, thereby increasing the flow rate of water flowing into the mixing pipe 11, which helps to mix concentrated hydrochloric acid with water.

[0029] Furthermore, it also includes a controller (not shown in the figure), which is electrically connected to the first solenoid valve 6, the first flow meter 7, the second solenoid valve 9, and the second flow meter 10.

[0030] In this embodiment of the invention, the amount of water entering the mixing pipe 11 through the inlet pipe 5 is controlled by the cooperation of the first solenoid valve 6 and the first flow meter 7. The water flows through the inlet 1 to the side of the mixing pipe 11 near the outlet pipe 4. The amount of concentrated hydrochloric acid entering the mixing pipe 11 through the inlet pipe 8 is controlled by the cooperation of the second solenoid valve 9 and the second flow meter 10. The concentrated hydrochloric acid flows through the inlet pipe 8 through the connecting pipe 3, then into the diversion hopper 13, and then through the diversion hole 16 into the mixing pipe 11, thereby increasing the contact area between the concentrated hydrochloric acid and the water, thereby improving the mixing and dilution efficiency of the concentrated hydrochloric acid and the water. This allows for immediate use, high production efficiency, and adjustable concentration within a certain range, effectively reducing the generation of acid mist. The water impacts the spiral blade 17 through the inlet 1, which drives the spiral blade 17 to move, thereby driving the diversion hopper 13 to rotate, further improving the mixing efficiency of the concentrated hydrochloric acid and the water.

[0031] The working principle of this utility model is as follows: The controller calculates the amount of concentrated hydrochloric acid and water according to the required amount of dilute hydrochloric acid, and then controls the first solenoid valve 6 and the second solenoid valve 9 to open. Water enters the mixing pipe 11 through the inlet pipe 5, and then flows through the inlet 1 to the side of the mixing pipe 11 near the outlet pipe 4. The water impacts the spiral blade 17, thereby driving the spiral blade 17 to move. Then the spiral blade 17 drives the diversion bucket 13 to rotate. The concentrated hydrochloric acid flows through the inlet pipe 8 through the connecting pipe 3, and then enters the diversion bucket 13. Subsequently, the concentrated hydrochloric acid is diverted through the diversion hole 16 into the mixing pipe 11 to mix with water. The mixed and diluted dilute hydrochloric acid is transported to the external container through the outlet pipe 4. During this process, the first flow meter 7 and the second flow meter 10 provide real-time feedback to the controller on the flow rates of concentrated hydrochloric acid and water. When the set value is reached, the first solenoid valve 6 and the second solenoid valve 9 are controlled to close.

[0032] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A mixing device for diluting hydrochloric acid, comprising a liquid outlet pipe (4), a water inlet pipe (5) and a mixing pipe (11), characterized in that, The water inlet pipe (5) and the liquid outlet pipe (4) are fixedly connected with a mixing pipe (11), the water inlet pipe (5) is fixedly provided with a first electromagnetic valve (6) and a first flowmeter (7); the mixing pipe (11) is communicated with a liquid inlet pipe (8), and the lower end of the liquid inlet pipe (8) is communicated with the mixing pipe (11), the liquid inlet pipe (8) is fixedly provided with a second electromagnetic valve (9) and a second flowmeter (10); the inner wall of the mixing pipe (11) is fixedly connected with a supporting block (12), the supporting block (12) is fixedly connected with a connecting pipe (20), one end of the connecting pipe (20) is fixedly connected with the liquid inlet pipe (8), a plurality of water inlets (18) are evenly arranged on the supporting block (12), a containing groove (14) is arranged on the end of the supporting block (12) away from the water inlet pipe (5), a ring plate (15) is rotatably connected to the inner wall of the containing groove (14), a shunt hopper (13) is fixedly connected to the ring plate (15), and a plurality of shunt holes (16) are evenly arranged on the shunt hopper (13).

2. The hydrochloric acid dilution mixing apparatus of claim 1, wherein, The ring plate (15) and the containing groove (14) are of an integrated structure.

3. The hydrochloric acid dilution mixing apparatus of claim 1, wherein, The shunt hopper (13) is fixedly connected with a plurality of helical blades (17) arranged in a semicircular manner.

4. The hydrochloric acid dilution mixing device of claim 1, wherein, The end of the water inlet (18) close to the water inlet pipe (5) is provided with a chamfer (19).

5. The hydrochloric acid dilution mixing device of claim 1, wherein, The diameter of the water inlet pipe (5) is larger than that of the mixing pipe (11).

6. The hydrochloric acid dilution mixing device of claim 1, wherein, A controller is further arranged and electrically connected with the first electromagnetic valve (6), the first flowmeter (7), the second electromagnetic valve (9) and the second flowmeter (10).