CN115258413A - Storage device for volatile dangerous chemical liquid medicine - Google Patents

Abstract

The invention provides a storage device for volatile and dangerous chemical liquid, comprising a box body and a bladder-shaped inner liner, wherein the box body is provided with a channel for entering and exiting the liquid medicine; the bladder-shaped inner bladder is arranged in the box body and is communicated with the liquid medicine inlet and outlet channels; the bladder-shaped liner has the state of expanding and filling the liquid medicine and the state of shrinking and releasing the liquid medicine. The invention is a storage device for volatile dangerous chemical liquid, which can effectively prevent dangerous gas and liquid from leaking from the storage device, and realizes that the concentration of ammonia gas and hydrazine gas in the surrounding environment of the storage device can be greatly reduced; Being in a fully sealed state in the bladder-shaped liner, the volatilization amount of the medicine can be reduced, the dosage of the medicine added, and the cost of the medicine can be reduced.

Description

A storage device for volatile dangerous chemical liquid

technical field

The invention relates to the technical field of hazardous chemical storage, in particular to a storage device for volatile dangerous chemical liquid.

Background technique

The storage device of the chemical liquid in the chemical dosing device of the power plant is more commonly used as a chemical box, which generally consists of a chemical box body, a chemical inlet, a water inlet valve, and a water outlet valve. When volatile ammonia water and hydrazine are stored in the medicine box, the ammonia water and hydrazine that will volatilize from the drug inlet cover plate and the overflow port. The volatilized ammonia water and hydrazine are now mainly exhausted through the forced ventilation of the exhaust fan in the room where the dosing device is located. However, the removal effect of the exhaust fan is limited, so that ammonia water and hydrazine remain in the indoor air, and ammonia water has a strong pungent smell, and hydrazine is toxic and carcinogenic, which is extremely harmful to the human body.

Contents of the invention

1. Solved technical problems

Aiming at the deficiencies of the prior art, the present invention provides a storage device for volatile dangerous chemical liquids, which overcomes the problem of leakage of dangerous gas and liquid in the existing liquid storage devices.

2. Technical solution

To achieve the above object, the present invention provides the following technical solutions:

A storage device for volatile dangerous chemical liquid, the key of which is to include:

The box body is provided with liquid medicine inlet and outlet channels;

a sac-shaped liner, which is arranged in the box and communicates with the liquid medicine inlet and outlet channel;

The sac-shaped liner has the state of expanding and filling the medicinal liquid and the state of contracting and releasing the medicinal liquid.

Optionally, the storage device further includes a negative pressure fan and a medicine dispensing box with a medicine feeding port, and the liquid outlet of the medicine dispensing box communicates with the medicine liquid inlet and outlet channel through the medicine liquid delivery channel and flows into the capsule. The medicine liquid is conveyed in the gallbladder, and the negative pressure fan is connected to the medicine dispensing box and the box body, so that a negative pressure is formed in the box, and the medicine dispensing box is pumped at the same time.

Optionally, the installation height of the dispensing box is higher than that of the box body, and a check valve and a first solenoid valve are provided on the liquid medicine delivery channel.

Optionally, the liquid medicine inlet and outlet channel is provided at the bottom of the box, and the liquid medicine inlet and outlet channel is connected with a liquid medicine output channel, and a second solenoid valve is provided on the liquid medicine output channel.

Optionally, there is a gap between the inner side wall of the box and the outer side wall of the bladder-shaped liner.

Optionally, the box is provided with a replenishment channel for replenishing water between the inner wall of the box body and the outer wall of the capsule liner and a drainage channel for discharging the replenishment water, and the water replenishment channel and the drainage channel are respectively set There are a third solenoid valve and a fourth solenoid valve.

Optionally, the side wall of the bladder is in a regular folded shape, so that the bladder expands or contracts axially.

Optionally, a vacuum exhaust switch is provided on the top of the bladder.

Optionally, an inspection manhole and an observation window made of transparent material are provided on the side wall of the box.

Optionally, the liquid medicine inlet and outlet channel is connected with a bottom row channel for discharging the liquid in the tank, and the bottom row channel is provided with a fifth solenoid valve.

3. Beneficial effects

The present invention is a storage device for volatile and dangerous chemical liquid, which can effectively prevent dangerous gas and liquid from leaking out of the storage device, and realize that the concentration of ammonia gas and hydrazine gas in the surrounding environment of the storage device is greatly reduced; at the same time, the liquid medicine is filled It is in a fully sealed state in the bladder-shaped inner tank, which can reduce the volatilization amount of the medicine, reduce the dosage of the medicine, and reduce the cost of the medicine.

Description of drawings

Fig. 1 is a schematic structural view of a storage device for volatile dangerous chemical liquid according to the present invention;

Among them, 1-box; 2-cystic liner; 2a-vacuum exhaust switch; 3-negative pressure fan; 4-dispensing box; 8a-check valve; 8b-first solenoid valve; 9-medicine output channel; 9a-second solenoid valve; 10-water supply channel; 10a-third solenoid valve; 11-drainage channel; 11a-the fourth solenoid valve; 12-the bottom row channel; 12a-the fifth solenoid valve.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of a storage device for volatile dangerous chemical liquid according to an exemplary embodiment of the present invention. As shown in Figure 1: a storage device for volatile dangerous chemical liquid, including a box body 1, a bladder-shaped inner tank 2, a negative pressure fan 3 and a dispensing box 4 with a dosing port.

Please refer to the accompanying drawing 1: the tank 1 is provided with a liquid medicine inlet and outlet passage 5; The liquid medicine left behind is less; the side wall of the box body 1 is also provided with an inspection manhole 6 and an observation window 7 made of transparent material.

Please refer to the accompanying drawing 1: the bladder 2 is arranged in the box 1 and communicated with the liquid medicine inlet and outlet channel 5; Liquid state.

Please refer to the accompanying drawing 1: the liquid outlet of the dispensing box 4 communicates with the liquid medicine inlet and outlet channel 5 through the liquid medicine delivery channel 8 and transports the medicine liquid into the bladder 2, and the negative pressure fan 3 connects the dispensing box 4 and the box body 1, so that a negative pressure is formed in the box body 1, and provides auxiliary power for the medicine dispensing box 4 to deliver the medicinal liquid to the bladder 2, and at the same time pumps air to the medicine dispensing box 4 to prevent the dispensing box from Dangerous gas and liquid in 4 enter the personnel operation area. The medical liquid inlet and outlet channel 5 is also connected with a medical liquid output channel 9 .

Please refer to the accompanying drawing 1: the installation height of the dispensing box 4 is higher than that of the box body 1, and is used as the power for mainly transporting the medicinal liquid, that is, the medicinal liquid is supplemented by high static pressure under the action of gravity. There is a gap between the inner side wall of the box 1 and the outer side wall of the bladder 2 to provide space for the bladder 2 to expand laterally, so as to avoid damage caused by excessive extrusion and friction with the side wall of the box 1 .

Please refer to the accompanying drawing 1: the box body 1 is provided with a water replenishment channel 10 for replenishing water between the inner side wall of the box body 1 and the outer side wall of the bladder 2 and a drainage channel 11 for discharging the added water. After replenishing water between the inner wall of the box body 1 and the outer wall of the bladder 2 through the water supply channel 10, the bladder 2 is suspended in the water. When the bladder 2 expands and contracts, it only needs to overcome its own weak tension. It can also avoid damage caused by the friction between the bladder-shaped inner tank 2 and the water tank. In addition, it is also possible to observe the bubbles on the outer wall of the bladder-shaped inner tank 2 through the observation window 7 to determine whether there is a leakage problem.

Please refer to the accompanying drawing 1: the side wall of the bladder 2 is in a regular folded shape, so that the bladder 2 can expand or contract in the axial direction, which can further prevent the bladder 2 from contacting the box body. 1 Excessive friction is generated inside. The top of the bladder 2 is provided with a vacuum exhaust switch 2a. Exhaust can be carried out under safe conditions to avoid the accumulation of gas in the bladder 2 and affect the storage space of the bladder 2 .

Please refer to FIG. 1 : the liquid medicine delivery channel 8 is provided with a check valve 8a and a first solenoid valve 8b. The liquid medicine output channel 9 is provided with a second solenoid valve 9a, and the water supply channel 10 and the drainage channel 11 are respectively provided with a third solenoid valve 10a and a fourth solenoid valve 11a. The liquid medicine inlet and outlet channel 5 is connected with a bottom row channel 12 for discharging the liquid in the tank, and the bottom row channel 12 is provided with a fifth solenoid valve 12a.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or order between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method, article or apparatus comprising said element.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. A storage device for volatile dangerous chemical liquid, characterized in that it comprises: The box body is provided with liquid medicine inlet and outlet channels; a sac-shaped liner, which is arranged in the box and communicates with the liquid medicine inlet and outlet channel; The sac-shaped liner has the state of expanding and filling the medicinal liquid and the state of contracting and releasing the medicinal liquid. 2. A storage device for volatile dangerous chemical liquid according to claim 1, characterized in that: said storage device also includes a negative pressure fan and a dispensing box with a dosing port, said dispensing box The liquid outlet is connected to the liquid medicine inlet and outlet channel through the liquid medicine delivery channel and transports the liquid medicine to the bladder-shaped inner tank, and the negative pressure fan is connected to the medicine dispensing box and the box body to form a negative pressure in the box. At the same time, the dispensing box is pumped. 3. A storage device for volatile dangerous chemical liquid according to claim 2, characterized in that: the installation height of the dispensing box is higher than that of the box body, and the liquid medicine delivery channel is provided with a stopper. return valve and first solenoid valve. 4. A storage device for volatile dangerous chemical liquid according to claim 1, 2 or 3, characterized in that: the liquid medicine inlet and outlet passage is set at the bottom of the box, and the medicine liquid inlet and outlet passage It is connected with a liquid medicine output channel, and a second electromagnetic valve is arranged on the liquid medicine output channel. 5 . The storage device for volatile dangerous chemical liquid according to claim 4 , wherein there is a gap between the inner side wall of the box body and the outer side wall of the bladder-shaped liner. 6 . 6. A storage device for volatile dangerous chemical liquid according to claim 5, characterized in that: said box is provided with a water supply system between the inner side wall of the box body and the outer side wall of the sac-shaped liner. The water replenishment channel and the drainage channel for discharging the supplementary water, the water replenishment channel and the drain channel are respectively provided with a third solenoid valve and a fourth solenoid valve. 7. A storage device for volatile dangerous chemical liquid according to claim 6, characterized in that: the side wall of the bladder-like inner tank is in a regular folded shape, so that the bladder-like inner tank is folded along the Axial expansion or contraction. 8 . The storage device for volatile dangerous chemical liquid according to claim 1 , wherein a vacuum exhaust switch is provided on the top of the bladder-shaped inner container. 9. The storage device for volatile dangerous chemical liquid according to claim 1, characterized in that: the side wall of the box is provided with a maintenance manhole and an observation window made of transparent material. 10. A storage device for volatile and dangerous chemical liquid according to claim 1, characterized in that: the liquid medicine inlet and outlet channel is connected with a bottom row channel for discharging the liquid in the tank, and the bottom row channel is A fifth solenoid valve is provided.

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