Hydrochloric acid distribution system for industrial water treatment

Abstract

The utility model discloses a hydrochloric acid distribution system for industrial water treatment, which relates to the technical field of industrial water treatment and comprises a hydrochloric acid tank and a dilution tank, a delivery pipe is arranged between the hydrochloric acid tank and the dilution tank, a delivery pump is arranged on the delivery pipe, the dilution tank comprises a support frame and a tank body arranged on the support frame, and a liquid outlet pipe is arranged at the bottom of the tank body. A top cover is arranged at the top of the tank body, a first liquid inlet pipe and a second liquid inlet pipe are arranged on the top cover, the first liquid inlet pipe is connected with the conveying pipe, the second liquid inlet pipe is connected with an external water source, an air distributing pipe is further arranged on the top cover, one end of the air distributing pipe is connected with an external high-pressure air pipeline, and the other end of the air distributing pipe is closed; a plurality of gas guide pipes are arranged on the periphery, located in the tank body, of the gas distribution pipe, the gas guide pipes are parallel to the axis direction of the tank body, and first gas guide holes and second gas guide holes are formed in the gas guide pipes at equal intervals. Meanwhile, the dilution efficiency is improved through a gas distribution pipe, a first gas guide pipe and a second gas guide pipe.

Description

Technical Field

[0001] This utility model relates to the field of industrial water treatment technology, and in particular to a hydrochloric acid delivery system for industrial water treatment. Background Technology

[0002] Hydrochloric acid is used in the treatment of industrial wastewater. It can rapidly lower the pH of water, converting alkaline water into neutral or acidic water, thus regulating the acid-base balance. In addition, hydrochloric acid has a strong bactericidal effect, effectively killing bacteria, viruses, and other microorganisms in water, and is used for water disinfection. Simultaneously, hydrochloric acid can dissolve and remove insoluble deposits and scale in water, restoring normal water flow and heat transfer properties, and is used for descaling and cleaning. Furthermore, hydrochloric acid can be used to adjust water hardness by reacting with calcium and magnesium ions in the water to form insoluble salt precipitates, thereby reducing water hardness.

[0003] However, before hydrochloric acid can be used, a process of delivery is required. First, concentrated hydrochloric acid is transported to the water treatment plant by tanker truck and stored there. Then, during use, the concentrated hydrochloric acid needs to be diluted into solutions of different ratios according to the treatment requirements. Finally, the diluted hydrochloric acid is distributed and used in various processes.

[0004] Therefore, this utility model proposes a hydrochloric acid delivery system for industrial water treatment to realize the delivery of hydrochloric acid before its use in industrial wastewater. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a hydrochloric acid delivery system for industrial water treatment, which solves the problem of hydrochloric acid delivery during industrial wastewater treatment.

[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution:

[0007] An industrial water treatment hydrochloric acid delivery system includes a hydrochloric acid tank and a dilution tank. The hydrochloric acid tank is provided with an inlet and a feed pump. A delivery pipe is provided between the hydrochloric acid tank and the dilution tank, and a delivery pump is provided on the delivery pipe. The dilution tank includes a support frame and a tank body mounted on the support frame. The bottom of the tank body is provided with an outlet pipe, and the top of the tank body is provided with a top cover. The top cover is provided with a first inlet pipe and a second inlet pipe. The first inlet pipe is connected to the delivery pipe, and the second inlet pipe is connected to an external water source.

[0008] The top cover is also provided with a gas distribution pipe. One end of the gas distribution pipe is connected to an external high-pressure air pipeline, and the other end of the gas distribution pipe is closed. The gas distribution pipe is located on the inner circumference of the tank and is provided with multiple air guide pipes. The air guide pipes are arranged parallel to the axial direction of the tank body. The air guide pipes are provided with first air guide holes and second air guide holes at equal intervals.

[0009] Furthermore, the length of the air guide tube is equal to two-thirds of the length of the tank.

[0010] Furthermore, the hydrochloric acid tank is provided with a first balance port, and the top cover is provided with a second balance port. The first balance port and the second balance port are connected to an acid gas neutralization tank through a pipeline.

[0011] Furthermore, the delivery pipe is also equipped with a one-way check valve.

[0012] Furthermore, the top cover is provided with an inspection port, and an inspection ladder is provided inside the tank corresponding to the position of the inspection port.

[0013] Furthermore, a ladder is vertically installed on the tank.

[0014] Furthermore, the gas distribution pipe and the gas guide pipe are made of copper.

[0015] Furthermore, the included angle between two adjacent air ducts is 60 degrees.

[0016] In summary, the beneficial technical effects of this utility model are as follows:

[0017] Concentrated hydrochloric acid from a tanker truck is stored in a hydrochloric acid tank via a feed pump and feed pipe. Then, a transfer pump and transfer pipe are used to add the concentrated hydrochloric acid into the tank through a first inlet pipe. Next, clean tap water is added into the tank through a second inlet pipe to dilute the concentrated hydrochloric acid. Then, a gas distribution pipe is used to evenly distribute external high-pressure air into each gas delivery pipe to achieve agitation during dilution, thereby improving the dilution efficiency. Finally, the diluted hydrochloric acid is distributed through an outlet pipe. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0019] Figure 2 This is a schematic diagram of the dilution tank;

[0020] Figure 3 This is a schematic diagram of the gas distribution tube and related structures;

[0021] Figure 4 yes Figure 2 The diagram shows the top cover is hidden.

[0022] Attached reference numerals: 1. Hydrochloric acid tank; 2. Dilution tank; 3. Acid gas neutralization tank; 4. Inlet; 5. Feed pump; 6. First balance port; 7. Conveying pipe; 8. Conveying pump; 9. Tank body; 10. Support frame; 11. Outlet pipe; 12. Top cover; 13. First inlet pipe; 14. Second inlet pipe; 15. Second balance port; 16. Gas distribution pipe; 17. Connecting flange; 18. Gas guide pipe; 19. First gas guide hole; 20. Second gas guide hole; 21. Inspection port; 22. Ladder; 23. Maintenance ladder; 24. One-way check valve; 25. Lifting lug. Detailed Implementation

[0023] The present invention will now be described clearly and completely with reference to the embodiments.

[0024] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0025] In the description of the embodiments, unless otherwise expressly specified and limited, the terms "set," "connect," etc., should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or a connection through an intermediate medium, or it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] See appendix Figure 1-4 The figure shows a hydrochloric acid delivery system for industrial water treatment, including a hydrochloric acid tank 1 and a dilution tank 2. The hydrochloric acid tank 1 is provided with a feed inlet 4, and a feed pump 5 is connected to the feed inlet 4. When storing concentrated hydrochloric acid, the feed pump 5 is connected to a tank truck to store the concentrated hydrochloric acid into the hydrochloric acid tank 1.

[0027] The dilution tank 2 includes a support frame 10 and a tank body 9. The bottom of the tank body 9 is conical and has an outlet pipe 11. The diluted hydrochloric acid is diverted through the outlet pipe 11. The top of the tank body 9 is bolted to a top cover 12. The top cover 12 is provided with a first inlet pipe 13 and a second inlet pipe 14. The first inlet pipe 13 is connected to the hydrochloric acid tank 1 by a delivery pipe 7. The delivery pipe 7 is equipped with a delivery pump 8 and a one-way check valve 24. During dilution, the concentrated hydrochloric acid is added to the tank body 9 through the delivery pump 8 from the first inlet pipe 13. The second inlet pipe 14 is connected to an external water source. During dilution, clean external tap water is added to the tank body 9 in a measured amount through the second inlet pipe 14 to dilute the concentrated hydrochloric acid.

[0028] Furthermore, the top cover 12 is also provided with a gas distribution pipe 16. One end of the gas distribution pipe 16 is provided with a connecting flange 17, and the other end of the gas distribution pipe 16 is a closed structure. The gas distribution pipe 16 is located on the inner circumference of the tank body 9 and is connected to six inverted L-shaped gas guide pipes 18. The included angle between two adjacent gas guide pipes 18 is 60 degrees. The gas guide pipes 18 are arranged along the axial direction of the tank body 9 and their length is two-thirds of the length of the tank body 9. The gas guide pipes 18 are provided with first gas guide holes 19 and second gas guide holes 20 at equal intervals. During dilution, the gas guide pipes 16 are connected to the external high-pressure air through the connecting flange 17. Then, the high-pressure air is evenly distributed into each gas guide pipe 18 through the gas distribution pipe 16. Then, the high-pressure air blows into the mixture in the tank body 9 through the first gas guide hole 19 and the second gas guide hole 20 to achieve air agitation. Air agitation accelerates the dissolution rate of concentrated hydrochloric acid and water, and also avoids the corrosion problem caused by agitation with a stirring paddle.

[0029] Furthermore, since hydrochloric acid is volatile, a certain amount of acid gas will be generated during storage and dilution. If the acid gas is directly released into the air, it will cause great harm to the human body. Therefore, a first balance port 6 and a second balance port 15 are respectively provided on the hydrochloric acid tank 1 and the dilution tank 2. The first balance port 6 and the second balance port 15 are connected to the acid gas neutralization tank 3 through pipelines. When the acid gas enters the acid gas neutralization tank 3 through the pipelines, sodium hydroxide powder is added to the acid gas neutralization tank 3. At this time, the acid gas reacts chemically with the sodium hydroxide powder to obtain a solution of sodium chloride and water, which is then discharged. In this way, the acid gas is converted into a harmless sodium chloride solution, reducing the harm to the human body and the environment.

[0030] Thus, it can be seen that this utility model realizes the storage of concentrated hydrochloric acid from the tanker truck through the hydrochloric acid tank 1, the dilution of hydrochloric acid through the dilution tank 2, and the distribution process of hydrochloric acid from transportation, storage to use through the liquid outlet pipe 11 at the bottom of the tank body 9. At the same time, the air mixing during dilution is realized through the gas distribution pipe 16 and the air guide pipe 18, which improves the work efficiency.

[0031] Furthermore, in order to facilitate the rinsing of the tank 9, an inspection port 21 is provided on the top cover 12, and an inspection ladder 23 is provided inside the tank 9 near the inspection port 21. When rinsing, the staff can enter the tank 9 through the inspection port 21 and reach the bottom of the tank 9 through the inspection ladder 23.

[0032] Furthermore, a ladder 22 is vertically installed on the tank body 9, which facilitates the connection of the first liquid inlet pipe 13 and the second liquid inlet pipe 14.

[0033] Finally, in order to facilitate the installation of the tank body 9 and the top cover 12, lifting lugs 25 are fixed on both the tank body 9 and the top cover 12.

[0034] It should be noted that, in order to reduce the corrosion of the gas duct 18 and the gas distribution pipe 16 by hydrochloric acid, the gas distribution pipe 16, the gas duct 18, and the maintenance ladder 23 are all made of copper. According to chemical knowledge, hydrochloric acid does not react with copper, so using copper can extend the service life of the gas duct 18.

[0035] During operation, concentrated hydrochloric acid is first stored in hydrochloric acid tank 1 by feed pump 5. Then, during dilution, concentrated hydrochloric acid is added to tank 9 from first inlet pipe 13 by transfer pump 8. Then, external tap water is added to tank 9 through second inlet pipe 14 to dilute the hydrochloric acid. During the dilution process, external high-pressure air is introduced into tank 9 through gas distribution pipe 16. Then, the high-pressure air is used to agitate the mixture in tank 9 through air guide pipe 18 to accelerate the dilution efficiency. When the required concentration is obtained, it is diverted for use through outlet pipe 11.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape and principle of the present utility model should be included within the scope of protection of the present utility model.

Claims

1. A hydrochloric acid delivery system for industrial water treatment, comprising a hydrochloric acid tank (1) and a dilution tank (2), wherein the hydrochloric acid tank (1) is provided with an inlet (4), the inlet (4) is provided with a feed pump (5), a delivery pipe (7) is provided between the hydrochloric acid tank (1) and the dilution tank (2), and the delivery pipe (7) is provided with a delivery pump (8), characterized in that: The dilution tank (2) includes a support frame (10) and a tank body (9) mounted on the support frame (10). The bottom of the tank body (9) is provided with a liquid outlet pipe (11), and the top of the tank body (9) is provided with a top cover (12). The top cover (12) is provided with a first liquid inlet pipe (13) and a second liquid inlet pipe (14). The first liquid inlet pipe (13) is connected to the delivery pipe (7), and the second liquid inlet pipe (14) is connected to an external water source. The top cover (12) is also provided with a gas distribution pipe (16). One end of the gas distribution pipe (16) is connected to an external high-pressure air pipeline, and the other end of the gas distribution pipe (16) is closed. The gas distribution pipe (16) is located on the inner circumference of the tank body (9) and is provided with multiple air guide pipes (18). The air guide pipes (18) are arranged parallel to the axial direction of the tank body (9). The air guide pipes (18) are provided with a first air guide hole (19) and a second air guide hole (20) at equal intervals.

2. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The length of the air duct (18) is equal to two-thirds of the length of the tank (9).

3. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The hydrochloric acid tank (1) is provided with a first balance port (6), and the top cover (12) is provided with a second balance port (15). The first balance port (6) and the second balance port (15) are connected to an acid gas neutralization tank (3) through a pipeline.

4. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The air guide tube (18) is inverted L-shaped, and the first air guide hole (19) and the second air guide hole (20) are arranged at equal intervals and staggered.

5. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The delivery pipe (7) is also equipped with a one-way check valve (24).

6. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The top cover (12) is provided with an inspection port (21), and the tank body (9) is provided with an inspection ladder (23) corresponding to the position of the inspection port (21).

7. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: A ladder (22) is vertically installed on the tank (9).

8. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The gas distribution pipe (16) and the gas guide pipe (18) are made of copper.

9. The hydrochloric acid delivery system for industrial water treatment according to claim 1, characterized in that: The included angle between two adjacent air ducts (18) is 60 degrees.

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