Carbon disulfide recovery device

Abstract

A carbon disulfide recovery device comprises a U-shaped pipe and a balance pipe, one end of the U-shaped pipe is connected with a water seal pipe extending upwards, the other end of the U-shaped pipe is connected with a separation pipe extending horizontally, the extending end of the separation pipe is provided with a first valve and connected with a collection container, one end of the balance pipe is connected with the top of the separation pipe, and the other end of the balance pipe is connected with a second valve. The water seal pipe is provided with a first hydraulic control switch and a water supplementing pipe, the water supplementing pipe is provided with a second valve, the height of the first liquid level switch is not larger than that of the separation pipe, and the first liquid level switch is electrically connected with the second valve and controls opening and closing of the second valve. The carbon disulfide sampling device is simple in structure, low in processing cost and capable of safely and reliably recycling and sampling carbon disulfide.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of chemical industry, in particular to a carbon disulfide recovery device. BACKGROUND

[0002] In the production of carbon disulfide, the chemical enterprise needs to take part of carbon disulfide for detection. The detected carbon disulfide needs to be recovered.

[0003] At present, there is no special recovery device, which leads to the following problems:

[0004] Carbon disulfide is volatile, which leads to material volatilization in the environment during the recovery process, resulting in environmental pollution. Carbon disulfide has a low flash point and is easy to burn in the air, which poses a safety hazard.

[0005] Therefore, it is a problem for those skilled in the art to design a safe and reliable carbon disulfide recovery device. SUMMARY

[0006] The utility model discloses to aim at the deficiency of prior art, provide a carbon disulfide recovery device, its simple structure, processing cost is low, can safely and reliably recover the sampling carbon disulfide.

[0007] The technical scheme of the utility model discloses a carbon disulfide recovery device, including U-shaped pipe, balance pipe, the one end of U-shaped pipe is connected with the water seal pipe that extends upwards, the other end is connected with the horizontal extension separation pipe, the extension end of separation pipe is provided with first valve, and is connected with collection container, one end of balance pipe is connected with the top of separation pipe, and the other end is connected with water seal pipe, first liquid control switch, water supply pipe are provided on water seal pipe, second valve is provided on water supply pipe, the height of first liquid level switch is not higher than the height of separation pipe, and is electrically connected with second valve, and controls second valve opening and closing.

[0008] The extension end of the water seal pipe is sealed, and a feed inlet and a breather valve are arranged.

[0009] The lower pipe section of the water seal pipe gradually reduces in diameter downward, and the water seal pipe is connected with one end of the U-shaped pipe through the reduced diameter section.

[0010] The extension end of the water seal pipe is sealed by a cover, and a handle is arranged on the cover.

[0011] The bottom of the U-shaped pipe is connected with the collection container through the emptying pipe, and a third valve is arranged on the emptying pipe.

[0012] A second liquid control switch and an alarm are further included, the second liquid level switch is arranged on the water seal pipe and located above the other end of the balance pipe, and the second liquid level switch is electrically connected with the alarm.

[0013] The U-shaped tube, the water seal tube and the separation tube are made of transparent material.

[0014] The above technical scheme has the following beneficial effects:

[0015] 1. The carbon disulfide recovery device comprises a U-shaped tube, a balance tube, one end of the U-shaped tube is connected with an upwardly extending water seal tube, the other end is connected with a horizontally extending separation tube, that is, the height of the water seal tube is higher than the high point of the U-shaped tube, the height of the separation tube is the same as the high point of the U-shaped tube, the sampled carbon disulfide is added into the U-shaped tube through the extending end of the water seal tube, and water is added into the water seal tube, since the carbon disulfide is insoluble in water and has a higher specific gravity than water, the added carbon disulfide is deposited in the U-shaped tube, and the added water forms a water seal for the carbon disulfide in the water seal tube, which can effectively eliminate the safety hazards or environmental pollution caused by the volatilization or exposure of the carbon disulfide in the air. The extending end of the separation tube is provided with a first valve and is connected with a collection container, the added carbon disulfide is discharged from the separation tube after the liquid level exceeds the high point of the U-shaped tube, and flows to the collection container under the action of gravity for recycling. One end of the balance tube is connected with the top of the separation tube, and the other end is connected with the water seal tube, which avoids the occurrence of siphon phenomenon and the entry of the water seal layer into the collection container, since the inner diameter of the balance tube is very small, the trace amount of carbon disulfide vapor leaked from the balance tube can be ignored. The water seal tube is provided with a first liquid control switch and a water supplement tube, the second valve is arranged on the water supplement tube, the height of the first liquid level switch is not higher than the height of the separation tube, and the first liquid level switch is electrically connected with the second valve, which controls the opening and closing of the second valve, when the first liquid level switch is above the liquid level, it indicates that the water seal liquid level is too low, a signal is sent to control the second valve to open, water is supplemented into the water seal tube through the water supplement tube, a new water seal layer is formed, and the water seal effect is ensured.

[0016] 2. The extending end of the water seal tube is sealed, and is provided with a feeding port and a breathing valve, which avoids the entry of impurities, the sampled carbon disulfide enters the water seal tube through the feeding port, and the breathing valve prevents internal negative pressure, which ensures smooth feeding and recycling of the carbon disulfide.

[0017] 3. The lower pipe section of the water seal tube is gradually reduced in diameter downwardly, the water seal tube is connected with one end of the U-shaped tube through the reduced diameter section, the water seal layer continuously decreases in height with the continuous separation of the carbon disulfide, and the thickness of the water seal layer formed in the descending process of the reduced diameter section gradually increases, which ensures the water seal effect.

[0018] 4. The bottom of the U-shaped tube is connected with the collection container through an emptying pipe, the third valve is arranged on the emptying pipe, the residual carbon disulfide in the U-shaped tube can be emptied by opening the third valve, and the yield of the carbon disulfide is improved.

[0019] 5. It further comprises a second liquid control switch and an alarm, the second liquid level switch is arranged on the water seal pipe and above the other end of the balance pipe, the second liquid level switch is electrically connected with the alarm, when the liquid level in the water seal pipe is too high, the alarm is controlled to work through the output signal of the second liquid level switch, the balance pipe can work normally and the material liquid can be prevented from overflowing.

[0020] Further description will be made in combination with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a connection diagram of the utility model.

[0022] In the drawings, 1 is a U-shaped pipe, 2 is a balance pipe, 3 is a water seal pipe, 4 is a separation pipe, 5 is a collection container, 6 is a first liquid control switch, 7 is a feeding port, 8 is a breather valve, 9 is a cover body, 10 is a emptying pipe, 11 is a second liquid control switch, 12 is an alarm, 13 is a water supplement pipe, a is a first valve, b is a second valve, and c is a third valve. DETAILED DESCRIPTION

[0023] Reference Figure 1Embodiment of a carbon disulfide recovery device. The carbon disulfide recovery device comprises a U-shaped tube 1, a balance tube 2, the specification of the U-shaped tube is determined according to the actual recovery amount of carbon disulfide. One end of the U-shaped tube 1 is connected with a water seal tube 3 extending upward, and the other end is connected with a separation tube 4 extending horizontally. In this embodiment, the U-shaped tube 1, the water seal tube 3 and the separation tube 4 are all made of transparent material, such as transparent plastic. The lower part of the water seal tube gradually reduces in diameter downward, and the water seal tube is connected with one end of the U-shaped tube through the reduced section, that is, the upper part of the water seal tube has a larger diameter than the U-shaped tube, and the water seal tube and the separation tube are connected with the U-shaped tube through a conventional connection structure. The extending end of the separation tube 4 is provided with a first valve a and connected with a collection container 5. Generally, the extending end of the separation tube is bent downward by 90° and connected with the collection container, and the first valve a is a normally open valve. One end of the balance tube 2 is connected with the top of the separation tube 4, and the other end is connected with the water seal tube 3. Generally, the other end of the balance tube is arranged on the upper part of the side wall of the water seal tube. In order to prevent impurities from entering the water seal tube, the extending end of the water seal tube 3 is sealed and provided with a feeding port 7 and a breathing valve 8. Specifically, the extending end of the water seal tube 3 is sealed by a cover 9, the cover 9 is provided with a handle, and the cover can be fixed on the extending end of the water seal tube through thread cooperation or buckling. The feeding port is arranged on the cover and can be sealed and recovered through the arrangement of a quick connector. The breathing valve is generally arranged on the top of the side wall of the water seal tube. The water seal tube 3 is provided with a first liquid level control switch 6 and a water supplement pipe 13. The second valve b is arranged on the water supplement pipe 13. The height of the first liquid level control switch 6 is not higher than the height of the separation tube 4, and the first liquid level control switch 6 is electrically connected with the second valve b to control the opening and closing of the second valve b. In this embodiment, the water supplement pipe is arranged above the other end of the balance tube and connected with a water source. The first liquid level control switch is arranged at the same height as the separation tube.

[0024] Further, in order to meet the actual demand, the bottom of the U-shaped tube 1 is connected with the collection container 5 through a discharge pipe 10, and the discharge pipe 10 is provided with a third valve c.

[0025] Further, in order to meet the actual demand, a second liquid level control switch 11 and an alarm 12 are further included. The second liquid level control switch 11 is arranged on the water seal tube 3 and above the other end of the balance tube. The second liquid level control switch 11 is electrically connected with the alarm 12. Generally, the alarm selects a buzzer.

[0026] The working principle of the utility model is that: the first valve is in the normal open state, the sampled carbon disulfide is added into the U-shaped pipe through the feed port and the water seal pipe, then the second valve is opened, the water is supplemented, the liquid seal of the carbon disulfide in the U-shaped pipe is formed, the sampled carbon disulfide is continuously added, the added carbon disulfide is below the water seal layer, after the liquid level height of the carbon disulfide exceeds the height of the other end of the U-shaped pipe, the overflow is discharged to the collecting container through the horizontally extended separation pipe. The whole separation process is in a closed state. After the sampled carbon disulfide is added and no longer overflows, the third valve is opened, the residual carbon disulfide in the U-shaped pipe is discharged to the collecting container through the emptying pipe, and the residual liquid phase in the U-shaped pipe is water.

Claims

1. A carbon disulfide recovery apparatus characterized by comprising: The U-shaped tube (1), the balance tube (2), One end of the U-shaped tube (1) is connected with the water seal tube (3) extending upward, the other end is connected with the separation tube (4) extending horizontally, the extending end of the separation tube (4) is provided with the first valve (a), and is connected with the collection container (5), One end of the balance tube (2) is connected with the top of the separation tube (4), the other end is connected with the water seal tube (3), The water seal tube (3) is provided with the first liquid control switch (6) and the water supplement tube (13), the second valve (b) is arranged on the water supplement tube (13), the height of the first liquid level switch (6) is not higher than the height of the separation tube (4), and the first liquid level switch (6) is electrically connected with the second valve (b) to control the opening and closing of the second valve (b).

2. The carbon disulfide recovery apparatus of claim 1, wherein: The extending end of the water seal tube (3) is sealed, and is provided with the feeding port (7) and the breathing valve (8).

3. The carbon disulfide recovery apparatus of claim 1, wherein: The lower pipe section of the water seal tube (3) is gradually reduced in diameter downward, and the water seal tube is connected with one end of the U-shaped tube through the reduced diameter section.

4. The carbon disulfide recovery apparatus according to any one of claims 1 to 3, characterized by: The extending end of the water seal tube (3) is sealed through the cover (9), and the cover (9) is provided with the handle.

5. The carbon disulfide recovery apparatus of claim 1, wherein: The bottom of the U-shaped tube (1) is connected with the collection container (5) through the emptying tube (10), and the third valve (c) is arranged on the emptying tube (10).

6. The carbon disulfide recovery apparatus of claim 1, wherein: The second liquid control switch (11) and the alarm (12) are further included, the second liquid level switch (11) is arranged on the water seal tube (3) and is located above the other end of the balance tube, and the second liquid level switch (11) is electrically connected with the alarm (12).

7. The carbon disulfide recovery apparatus of claim 1, wherein: The U-shaped tube (1), the water seal tube (3) and the separation tube (4) are made of transparent material.

Images