Improved concentrated sulfuric acid unloading buffer tank

Abstract

The utility model relates to an improved concentrated sulfuric acid unloading buffer tank, and belongs to the technical field of concentrated sulfuric acid storage tank unloading safety. The device mainly comprises a buffer tank, a stirring device and an electrical bar, a feeding pipeline connected with a tank car is installed on the side portion of the buffer tank, a feeding pipeline connected with an acid point storage tank is arranged at the bottom of one side of the buffer tank, a vent valve is arranged at the top of the buffer tank, and a first installation opening and a second installation opening are formed in the bottom of one side of the buffer tank. The stirring device extends into the buffer tank from the first mounting port and is hermetically mounted, and the electrical bar extends into the buffer tank from the second mounting port and is hermetically mounted; the stirring device and the electrical bar are additionally arranged to stir and heat concentrated sulfuric acid in the buffer tank, so that the problem of solidification of the concentrated sulfuric acid in the buffer tank is effectively solved, enough buffer volume in the buffer tank is ensured, the buffer effect is ensured, and normal operation of work is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the concentrated sulphuric acid storage tank unloading safety technical field, concretely relates to an improved concentrated sulphuric acid unloading buffer tank. BACKGROUND

[0002] In the production process of chemical enterprise, concentrated sulphuric acid is used as important auxiliary material, and the buffer tank is used as the measure of stable flow during the process of unloading the concentrated sulphuric acid tank car to the destination to the use enterprise storage tank. The freezing point of 98% sulphuric acid is -0.7 DEG C, and the freezing point of 100% sulphuric acid reaches 10.37 DEG C, but the freezing point of 93% sulphuric acid is only -32 DEG C. The difference of the freezing point of sulphuric acid with the change of concentration is relatively big. When the concentrated sulphuric acid unloading buffer tank is used, the concentrated sulphuric acid in the concentrated sulphuric acid unloading buffer tank is easy to freeze, the effective buffer volume in the buffer tank is reduced, which leads to the problem of unable to use or affecting the concentrated sulphuric acid unloading buffer effect. Because the buffer tank volume is relatively small, generally between 200-500L, considering the cost factor, it is not suitable to increase the internal steam heating coil, so for the concentrated sulphuric acid unloading buffer tank, how to consider the low cost prevention of concentrated sulphuric acid crystallization is a more difficult problem. SUMMARY

[0003] In order to overcome the problem that the concentrated sulphuric acid in the concentrated sulphuric acid unloading buffer tank is easy to freeze, the effective buffer volume in the buffer tank is reduced, which leads to the problem of unable to use or affecting the concentrated sulphuric acid unloading buffer effect in the background art, the utility model provides an improved concentrated sulphuric acid unloading buffer tank;Through increasing the stirring device 2 and the electric heating rod 3, the concentrated sulphuric acid in the buffer tank 1 is stirred and heated, the problem of the freezing of the concentrated sulphuric acid in the buffer tank 1 is effectively solved, the buffer tank 1 has sufficient buffer volume, the buffer effect is guaranteed, and the normal work is guaranteed.

[0004] In order to achieve the above object, the utility model is through following technical scheme realizes:An improved concentrated sulphuric acid unloading buffer tank mainly includes buffer tank 1, stirring device 2, electric heating rod 3, the buffer tank 1 side portion is equipped with the feed pipe 11 that is connected with tank car, and the buffer tank 1 one side bottom is equipped with the feeding pipe 12 that is connected with acid point storage tank, and the buffer tank 1 top is equipped with vent valve 13, and the buffer tank 1 one side bottom is equipped with first installation mouth 14, second installation mouth 15, and the stirring device 2 is from first installation mouth 14 and is sealedly installed into buffer tank 1, and the electric heating rod 3 is from second installation mouth 15 and is sealedly installed into buffer tank 1.

[0005] Further, the feed pipe 11 is connected with the buffer tank 1 through the double-ball rubber joint shock absorber 16, and the valve is arranged on the feed pipe 11.

[0006] Further, the buffer tank 1 side portion is equipped with the magnetic flap liquid level meter 17.

[0007] Further, the buffer tank 1 bottom is equipped with emptying pipe 18, emptying pipe 18 is equipped with valve.

[0008] Further, the upper feeding pipeline 12 is installed with magnetic pump and valve.

[0009] Further, the stirring device 2 includes motor 21, sealing disc 22, rotating shaft 23, stirring paddle 24, the stirring paddle 24 is uniformly fixed on the rotating shaft 23, the rotating shaft 23 is installed on the first mounting port 14 through the sealing disc 22, the motor 21 is installed on the sealing disc 22, and the motor 21 is in transmission connection with the rotating shaft 23.

[0010] Further, the stirring device 2 and electric heating rod 3 are connected with the controller.

[0011] The beneficial effects of the utility model are as follows:

[0012] The utility model discloses a stirring device and electric heating rod are added to the concentrated sulfuric acid in buffer tank and are stirred and heated, effectively solve the problem of the concentrated sulfuric acid solidification in buffer tank, guarantee the buffer volume in buffer tank is enough, guarantee the buffering effect, guarantee the normal operation of work, and the device structure is simple, and the cost is low. ACCURACY OF DRAWINGS

[0013] Figure 1 It is the main shaft of the utility model three-dimensional schematic diagram.

[0014] Figure 2 It is the rear axle of the utility model three-dimensional schematic diagram.

[0015] Figure 3 It is the sectional structure schematic diagram of the utility model.

[0016] Figure 4 It is the stirring device three-dimensional schematic diagram of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and beneficial effect of the utility model more clearly, the preferred embodiment of the utility model will be described in detail below in conjunction with the drawings, to facilitate the understanding of technical personnel.

[0018] The utility model discloses an improved concentrated sulfuric acid unloading buffer tank, the improved concentrated sulfuric acid unloading buffer tank mainly includes buffer jar 1, stirring device 2, electric heating rod 3, the buffer jar 1 side portion is equipped with the feed pipe 11 that links to each other with tank car, and the buffer jar 1 one side bottom is equipped with the feeding pipe 12 that links to each other with acid point storage jar, and the buffer jar 1 top is equipped with the air vent 13, and the buffer jar 1 one side bottom is equipped with first installation mouth 14, second installation mouth 15, and stirring device 2 is from first installation mouth 14 and is sealedly installed into buffer jar 1, and electric heating rod 3 is from second installation mouth 15 and is sealedly installed into buffer jar 1, through increasing stirring device 2 and electric heating rod 3 to the concentrated sulfuric acid in buffer jar 1 is stirred and heated, effectively solve the problem of the concentrated sulfuric acid solidification in buffer jar 1, guarantee the buffer jar 1 in having enough buffer volume, guarantee the buffering effect, guarantee the normal operation of work, the device structure is simple, and the cost is low.

[0019] The feed pipe 11 is connected with the buffer jar 1 through the double-ball rubber joint shock absorber 16, and a valve is arranged on the feed pipe 11, so that the fixed coupling pipe can be adjusted at an angle of about 10 degrees through the double-ball rubber joint shock absorber 16, the tank car is conveniently connected, the convenience of pipeline butt joint is improved, and the working efficiency is improved.

[0020] The buffer jar 1 is provided with a magnetic flap liquid level meter 17 on the side.

[0021] The buffer jar 1 is provided with an emptying pipe 18, and a valve is arranged on the emptying pipe 18.

[0022] The feeding pipe 12 is provided with a magnetic pump and a valve.

[0023] The stirring device 2 comprises a motor 21, a sealing disc 22, a rotating shaft 23 and stirring paddles 24, the stirring paddles 24 are uniformly fixed on the rotating shaft 23, the rotating shaft 23 is installed on the first installation mouth 14 through the sealing disc 22, the motor 21 is installed on the sealing disc 22, and the motor 21 is in transmission connection with the rotating shaft 23; the stirring paddles 24 are driven to stir and disturb through the motor 21, and the concentrated sulfuric acid is effectively prevented from solidifying.

[0024] The stirring device 2 and the electric heating rod 3 are connected with a controller, the starting and stopping of the stirring device 2 and the electric heating rod 3 are controlled through a switch and the controller, and the operation is simple and convenient.

[0025] Working process:

[0026] With the production, the rubber hose is inserted with the feeding pipe 11 of the concentrated sulfuric acid unloading buffer tank, the tightness and angle of the double ball rubber joint shock absorber are adjusted, and the pipe of the concentrated sulfuric acid unloading buffer tank is controlled to be upwarping 5-10 degrees. The emptying valve is closed, and the vent valve is opened, the concentrated sulfuric acid enters the buffer tank along the feeding pipe 11 of the buffer tank, and then is pumped to the acid point storage tank by the magnetic force.

[0027] When the winter temperature is lower than 0 degrees Celsius, according to the freezing point of 98% sulfuric acid is -0.7℃, the electric power is needed to be closed, at this time, the electric heating rod 3 and the stirring device 2 are operated at the same time, which can heat and stir to prevent the freezing phenomenon of 98% sulfuric acid. The specific heating and stirring time is determined according to the actual temperature.

[0028] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. An improved type of unloading buffer tank for concentrated sulphuric acid, characterised in that: The improved concentrated sulfuric acid unloading buffer tank includes a buffer tank (1), a stirring device (2) and an electric heating rod (3), the buffer tank (1) is provided with a feeding pipeline (11) connected with a tank truck on one side, an upper feeding pipeline (12) connected with an acid storage tank is arranged on the bottom of one side of the buffer tank (1), an air vent valve (13) is arranged on the top of the buffer tank (1), a first mounting hole (14) and a second mounting hole (15) are arranged on the bottom of one side of the buffer tank (1), the stirring device (2) is inserted into the buffer tank (1) from the first mounting hole (14) and is sealingly mounted, and the electric heating rod (3) is inserted into the buffer tank (1) from the second mounting hole (15) and is sealingly mounted.

2. The improved unloading buffer tank for concentrated sulfuric acid according to claim 1, characterized in that: The feeding pipeline (11) is connected with the buffer tank (1) through a double-ball rubber joint shock absorber (16), and a valve is arranged on the feeding pipeline (11).

3. The improved unloading buffer tank for concentrated sulfuric acid according to claim 1 or 2, characterized in that: A magnetic flap liquid level meter (17) is arranged on one side of the buffer tank (1).

4. The improved unloading buffer tank for concentrated sulfuric acid according to claim 3, characterized in that: An emptying pipeline (18) is arranged on the bottom of the buffer tank (1), and a valve is arranged on the emptying pipeline (18).

5. The improved unloading buffer tank for concentrated sulfuric acid as claimed in any one of claims 1, 2, 4, wherein: A magnetic pump and a valve are arranged on the upper feeding pipeline (12).

6. The improved unloading buffer tank for concentrated sulfuric acid as claimed in claim 5 wherein: The stirring device (2) includes a motor (21), a sealing disc (22), a rotating shaft (23) and stirring paddles (24), the stirring paddles (24) are uniformly fixed on the rotating shaft (23), the rotating shaft (23) is mounted on the first mounting hole (14) through the sealing disc (22), the motor (21) is mounted on the sealing disc (22), and the motor (21) is in transmission connection with the rotating shaft (23).

7. The improved unloading buffer tank for concentrated sulfuric acid as claimed in any one of claims 1, 2, 4, 6 wherein: The stirring device (2) and the electric heating rod (3) are connected with a controller.

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