Sulfuric acid batching device with safety protection structure

Abstract

The utility model relates to the technical field of sulfuric acid preparation, in particular to a sulfuric acid batching device with a safety protection structure, which comprises a reaction tank with a hollow structure, a liquid inlet and a liquid outlet of the water pump are respectively provided with a liquid inlet pipe and a liquid discharge pipe, the tail end of the liquid inlet pipe penetrates into the water return cavity, the tail end of the liquid discharge pipe penetrates into the reaction tank, and a cooling pipe is fixed at the tail end of the liquid discharge pipe; when sulfuric acid in the reaction tank is subjected to overheating reaction, a cooling water source is input into the cooling pipe through the water pump, and high temperature in the reaction tank can be absorbed through the cooling pipe along with flowing of the cooling water source, so that the sulfuric acid in the reaction tank is cooled, the overheating reaction is inhibited, and the safety of reaction equipment and workers is protected; and through the arrangement of the air pump and the air tank, the high pressure in the reaction tank can be relieved, the safety in the sulfuric acid batching process is ensured, and the problem that the high pressure is directly discharged to harm workers is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sulfuric acid preparation technical field, concretely is sulfuric acid batching device with safety protection structure. BACKGROUND

[0002] Sulfuric acid is an important inorganic compound, and is widely used in many fields; at present, in the production process of sulfuric acid, a plurality of raw materials need to be mixed and batched; and sulfuric acid is a dangerous chemical, and has certain risk in the preparation process, so it is very important to improve the safety in the preparation process of sulfuric acid.

[0003] In the process of diluting concentrated sulfuric acid into dilute sulfuric acid, if improper operation such as too fast water adding speed, uneven stirring or improper container selection occurs, local overheating phenomenon may occur, and then overheating reaction occurs, and the overheating reaction not only has great destructive nature to the equipment, but also has great threat to the safety of the workers, in view of this, the sulfuric acid batching device with safety protection structure is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at at least one of the technical problems in the related art to some extent. To this end, one purpose of the utility model is to provide a sulfuric acid batching device with safety protection structure, which can absorb the high temperature in the reaction tank through the cooling pipe penetrating into the reaction tank, thereby producing a cooling effect on the sulfuric acid in the reaction tank, and thereby being conducive to inhibiting the overheating reaction and protecting the safety of the reaction equipment and the workers.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The sulfuric acid batching device with safety protection structure comprises a reaction tank in a hollow structure, a motor is installed at the top center of the reaction tank, the output shaft of the motor penetrates into the reaction tank and is coaxially connected with a stirring shaft, a plurality of stirring rods are fixed on the stirring shaft, a feeding port is installed on the right side of the motor, and a pressure relief port is installed on the left side of the motor; a water tank is installed at the bottom of the reaction tank, a water storage cavity is formed in the water tank, a water return cavity is formed above the water storage cavity; water pumps are installed on the top of the water tank on both sides, liquid inlet pipes and liquid outlet pipes are respectively installed at the liquid inlet and the liquid outlet of the water pumps, the tail end of the liquid inlet pipe penetrates into the water return cavity, the tail end of the liquid outlet pipe penetrates into the reaction tank, and a cooling pipe is fixed at the tail end of the liquid outlet pipe, the tail end of the cooling pipe penetrates through the bottom of the reaction tank and the water tank and penetrates into the water return cavity; a gas pump is arranged on the front side of the water tank, and a hollow gas tank for collecting sulfuric acid preparation tail gas is installed on the front side of the gas pump; gas inlet pipes and gas outlet pipes are respectively installed at the gas inlet and the gas outlet of the gas pump, the gas inlet pipe is communicated with the pressure relief port, a valve is installed on the gas inlet pipe, and the gas outlet pipe is communicated with the gas tank.

[0007] In addition, the sulfuric acid batching device with the safety protection structure according to the application has the following additional technical features.

[0008] Specifically, the right end surface of the water tank is provided with a water inlet communicated with the water storage cavity, and the front end surface of the water tank is provided with a water outlet communicated with the water return cavity.

[0009] Specifically, the outer wall of the reaction tank is provided with a discharge pipe at the bottom end, and the discharge pipe is communicated with the inner cavity of the reaction tank.

[0010] Specifically, the front side of the motor is provided with a pressure gauge, and the inner top of the reaction tank is provided with a temperature sensor.

[0011] Specifically, the cross section of the water tank is rectangular, and the water tank is fixedly connected with the reaction tank through bolts.

[0012] Specifically, the cross section of the cooling pipe is wavy, and the cooling pipe is a finished product made of glass.

[0013] Specifically, the cross section of the water storage cavity is concave, and the cross section of the water return cavity is rectangular.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The cooling pipe is arranged to penetrate into the reaction tank, when the sulfuric acid in the reaction tank is overheated, the cooling water source is input into the cooling pipe through the water pump, and the high temperature in the reaction tank can be absorbed through the cooling pipe along with the flow of the cooling water source, so that the sulfuric acid in the reaction tank is cooled, thereby being beneficial to inhibit the overheating reaction and protect the safety of the reaction equipment and the workers.

[0016] 2. The air pump and the air tank are arranged, when the pressure in the reaction tank is too high, the valve is opened and the high-pressure gas in the reaction tank is guided into the air tank for storage by the air pump, which is beneficial to relieve the high pressure in the reaction tank, ensures the safety in the sulfuric acid batching process, and avoids the problem that the high pressure is directly discharged to endanger the workers. BRIEF DESCRIPTION OF DRAWINGS

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

[0018] Figure 2 It is a sectional view of part of the structure of the utility model;

[0019] Figure 3 It is a sectional view of the structure of the reaction tank in the utility model;

[0020] Figure 4 It is a schematic diagram of part of the structure in the utility model

[0021] In the figure:

[0022] 1, reaction tank; 10, pressure relief port; 11, feeding port; 12, pressure gauge; 13, motor; 14, stirring shaft; 15, stirring rod; 16, discharge pipe; 17, temperature sensor;

[0023] 2, water tank; 21, backwater cavity; 22, water storage cavity; 23, water inlet; 24, water pump; 25, liquid inlet pipe; 26, liquid outlet pipe; 27, cooling pipe; 28, water outlet;

[0024] 3, air pump; 30, air inlet pipe; 31, valve; 32, air outlet pipe;

[0025] 4, gas tank. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] The embodiment provides a technical solution:

[0028] Please refer to Figures 1-4 As shown in the figure, the sulfuric acid batching device with safety protection structure comprises a reaction tank 1 in a hollow structure, a motor 13 is installed at the top center of the reaction tank 1, the output shaft of the motor 13 penetrates into the reaction tank 1 and is coaxially connected with a stirring shaft 14, and a plurality of stirring rods 15 are fixed on the stirring shaft 14; a feeding port 11 is installed on the right side of the motor 13, and a pressure relief port 10 is installed on the left side of the motor 13; a water tank 2 is installed at the bottom of the reaction tank 1, a water storage cavity 22 is formed in the water tank 2, and a backwater cavity 21 is formed above the water storage cavity 22; water pumps 24 are installed on both sides of the top of the water tank 2, liquid inlet pipes 25 and liquid outlet pipes 26 are installed at the liquid inlet and outlet of the water pumps 24, respectively, the distal end of the liquid inlet pipe 25 penetrates into the backwater cavity 21, the distal end of the liquid outlet pipe 26 penetrates into the reaction tank 1, a cooling pipe 27 is fixed at the distal end of the liquid outlet pipe 26, the distal end of the cooling pipe 27 penetrates through the bottom of the reaction tank 1 and the water tank 2 and penetrates into the backwater cavity 21; an air pump 3 is arranged on the front side of the water tank 2, a hollow gas tank 4 for collecting tail gas produced in the preparation of sulfuric acid is installed on the front side of the air pump 3; an air inlet pipe 30 and an air outlet pipe 32 are installed at the air inlet and outlet of the air pump 3, respectively, the air inlet pipe 30 is connected with the pressure relief port 10, a valve 31 is installed on the air inlet pipe 30, and the air outlet pipe 32 is connected with the gas tank 4.

[0029] In the embodiment, the right end surface of the water tank 2 is provided with a water inlet 23 communicated with the water storage cavity 22, and the front end surface of the water tank 2 is provided with a water outlet 28 communicated with the water return cavity 21. The water inlet 23 is convenient for adding water source into the water storage cavity 22, and the water outlet 28 is convenient for discharging water source in the water return cavity 21.

[0030] In the embodiment, the outer wall of the reaction tank 1 is provided with a discharge pipe 16 at the bottom end, and the discharge pipe 16 is communicated with the inner cavity of the reaction tank 1. The sulfuric acid in the reaction tank 1 is conveniently discharged through the discharge pipe 16, which has the advantage of convenient discharge.

[0031] In the embodiment, the front side of the motor 13 is provided with a pressure gauge 12, and the inner top of the reaction tank 1 is provided with a temperature sensor 17. The pressure gauge 12 is convenient for monitoring the pressure in the reaction tank 1, and the temperature sensor 17 is convenient for monitoring the temperature in the reaction tank 1, thereby ensuring the safety during processing.

[0032] In the embodiment, the cross-sectional shape of the water tank 2 is rectangular, and the water tank 2 is fixedly connected with the reaction tank 1 by bolts. The rectangular water tank 2 plays a stable supporting role for the reaction tank 1, ensuring the stability of the reaction tank 1, and the bolt fixing mode ensures the firmness of the installation of the reaction tank 1 and the reaction tank 1.

[0033] In the embodiment, the cross-sectional shape of the cooling pipe 27 is wavy, and the cooling pipe 27 is a product made of glass material. The wavy design is beneficial to the absorption of heat in the reaction tank 1 by the cooling pipe 27, which is beneficial to the cooling of sulfuric acid in the reaction tank 1, and the glass material has the advantage of corrosion resistance, which ensures the service life of the cooling pipe 27.

[0034] In the embodiment, the cross-sectional shape of the water storage cavity 22 is concave, and the cross-sectional shape of the water return cavity 21 is rectangular. The concave water storage cavity 22 is beneficial to store cooling water source, and the rectangular water return cavity 21 is beneficial to collect the reflux of hot water source.

[0035] It should be noted that the plurality of stirring rods 15 in the embodiment are fixedly connected with the stirring shaft 14 by bolts, and the bolt fixing mode ensures the firmness of the connection between the stirring rod 15 and the stirring shaft 14. The stirring rod 15 and the stirring shaft 14 are both products made of stainless steel material, which has excellent corrosion resistance and can withstand the corrosion of sulfuric acid. At the same time, stainless steel also has high strength and toughness, which can meet the working requirements of the stirring shaft 14.

[0036] It is worth mentioning that the motor 13 involved in the embodiment is a conventional technology, which will not be described here.

[0037] When the temperature in the reaction tank 1 is too high, the user first connects the power of the water pump 24, and the water pump 24 starts to work, at this time, the water source in the water storage cavity 22 enters into the liquid inlet pipe 25, and then enters into the liquid outlet pipe 26, and then enters into the cooling pipe 27, and the heat in the reaction tank 1 is absorbed by the cooling water source, the cooling water source in the cooling pipe 27 is heated, and the heated water source returns to the water return cavity 21, and then is discharged through the water outlet 28, and with the continuous flow of the cooling water source, the temperature in the reaction tank 1 is gradually reduced.

[0038] When the pressure in the reaction tank 1 is too high, the user first opens the valve 31, and connects the power of the air pump 3, at this time, the high-pressure gas in the reaction tank 1 enters into the exhaust pipe 32 through the air inlet pipe 30, and then enters into the gas tank 4 through the exhaust pipe 32, and then the pressure in the reaction tank 1 is reduced.

[0039] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application, and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A sulphuric acid batching device with safety protection structure, comprising a reaction tank (1) in a hollow structure, characterized in that: A motor (13) is installed at the top center of the reaction tank (1), the output shaft of the motor (13) penetrates into the reaction tank (1) and is coaxially keyed connected with a stirring shaft (14), a plurality of stirring rods (15) are fixed on the stirring shaft (14); a feeding port (11) is installed on the right side of the motor (13), and a pressure relief port (10) is installed on the left side of the motor (13); A water tank (2) is installed at the bottom of the reaction tank (1), a water storage cavity (22) is formed in the water tank (2), and a water return cavity (21) is formed above the water storage cavity (22); water pumps (24) are installed at the top of the water tank (2) on both sides, liquid inlet pipes (25) and liquid outlet pipes (26) are installed at the liquid inlet and the liquid outlet of the water pump (24), respectively, the distal end of the liquid inlet pipe (25) penetrates into the water return cavity (21), the distal end of the liquid outlet pipe (26) penetrates into the reaction tank (1), and a cooling pipe (27) is fixed at the distal end of the liquid outlet pipe (26), the distal end of the cooling pipe (27) penetrates through the bottom of the reaction tank (1) and the water tank (2) and penetrates into the water return cavity (21); A gas pump (3) is arranged on the front side of the water tank (2), a hollow gas tank (4) for collecting tail gas produced in the preparation of sulfuric acid is installed on the front side of the gas pump (3); a gas inlet pipe (30) and a gas outlet pipe (32) are installed at the gas inlet and the gas outlet of the gas pump (3), respectively, the gas inlet pipe (30) is communicated with the pressure relief port (10), a valve (31) is installed on the gas inlet pipe (30), and the gas outlet pipe (32) is communicated with the gas tank (4).

2. The sulphuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: A water inlet (23) communicated with the water storage cavity (22) is installed on the right end surface of the water tank (2), and a water outlet (28) communicated with the water return cavity (21) is installed on the front end surface of the water tank (2).

3. The sulfuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: A discharge pipe (16) is installed at the bottom of the outer wall of the reaction tank (1), and the discharge pipe (16) is communicated with the inner cavity of the reaction tank (1).

4. The sulfuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: A pressure gauge (12) is installed on the front side of the motor (13), and a temperature sensor (17) is installed on the inner top of the reaction tank (1).

5. The sulfuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: The cross section of the water tank (2) is rectangular, and the water tank (2) is fixedly connected with the reaction tank (1) by bolts.

6. The sulfuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: The cross section of the cooling pipe (27) is wavy, and the cooling pipe (27) is a finished product made of glass.

7. The sulfuric acid batching apparatus with safety shield structure according to claim 1, characterized in that: The cross section of the water storage cavity (22) is concave, and the cross section of the water return cavity (21) is rectangular.

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