CN215798513U - Safety protection device of liquid sulfur degassing system - Google Patents
Safety protection device of liquid sulfur degassing system Download PDFInfo
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- CN215798513U CN215798513U CN202122299408.1U CN202122299408U CN215798513U CN 215798513 U CN215798513 U CN 215798513U CN 202122299408 U CN202122299408 U CN 202122299408U CN 215798513 U CN215798513 U CN 215798513U
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Abstract
The utility model discloses a safety protection device of a liquid sulfur degassing system, and belongs to the technical field of liquid sulfur degassing equipment. This safety device of liquid sulfur degasification system includes: one end of the first electromagnetic valve is communicated with the gas outlet end of the liquid sulfur degassing tower, the gas outlet end of the liquid sulfur degassing tower is also communicated with a second electromagnetic valve, and the second electromagnetic valve is communicated with a sulfur production combustion furnace; the gas inlet end of the waste gas combustion furnace is communicated with the other end of the first electromagnetic valve, and the gas outlet end of the waste gas combustion furnace is communicated with the atmosphere; and the controller is electrically connected with the first electromagnetic valve and used for controlling the first electromagnetic valve to be opened when the second electromagnetic valve jumps in an emergency, and the controller is electrically connected with a power supply device. The safety protection device for the liquid sulfur degassing system can prevent the liquid sulfur degassing tower from being exploded by waste gas generated in the liquid sulfur degassing tower when all valves in the liquid sulfur degassing system jump and are closed in emergency situations, and can also effectively prevent air pollution caused by the waste gas.
Description
Technical Field
The utility model relates to the technical field of liquid sulfur degassing equipment, in particular to a safety protection device of a liquid sulfur degassing system.
Background
In the industrial production of sulfur, a liquid sulfur degassing tower is required to carry out degassing treatment on the liquid sulfur, so that the content of waste gas in the liquid sulfur is reduced. And the waste gas contains a large amount of hydrogen sulfide gas, so the waste gas can be incompletely combusted by communicating the gas outlet end of the degassing tower with the sulfur production combustion tower, the hydrogen sulfide in the waste gas can be converted into solid sulfur particles, and the sulfur particles are recycled, thereby improving the economy of waste gas treatment. In consideration of fine management, various valves are additionally arranged on each pipeline of the system for control, so that electromagnetic valves are additionally arranged at the liquid inlet end, the liquid outlet end and the gas outlet end of the degassing tower, and the valves are in a control loop. For safety reasons, the valves are designed to automatically trip in the event of an emergency, thereby closing off the lines. At the moment, the degassing tower is still in an operating state, sulfur liquid in the degassing tower can continuously separate out hydrogen sulfide gas, the hydrogen sulfide gas cannot be discharged out of the liquid sulfur degassing tower in time due to the closing of valves of all pipelines, serious potential safety hazards can exist, and serious air pollution can be caused if the hydrogen sulfide gas is directly discharged into the atmosphere through other means.
Therefore, the safety protection device of the liquid sulfur degassing system needs to be designed, so that when an emergency occurs, the hydrogen sulfide gas precipitated in the degassing tower is discharged and digested in time, and the potential safety hazard is prevented.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art, and provides a safety protection device of a liquid sulfur degassing system, which can prevent waste gas generated in a liquid sulfur degassing tower from causing explosion of the liquid sulfur degassing tower when all valves in the liquid sulfur degassing system jump and are closed in emergency situations, and can also effectively prevent air pollution caused by the waste gas.
The utility model provides a safety protection device of a liquid sulfur degassing system, which comprises:
one end of the first electromagnetic valve is communicated with the gas outlet end of the liquid sulfur degassing tower, the gas outlet end of the liquid sulfur degassing tower is also communicated with a second electromagnetic valve, and the second electromagnetic valve is communicated with a sulfur production combustion furnace;
the gas inlet end of the waste gas combustion furnace is communicated with the other end of the first electromagnetic valve, and the gas outlet end of the waste gas combustion furnace is communicated with the atmosphere;
and the controller is electrically connected with the first electromagnetic valve and used for controlling the first electromagnetic valve to be opened when the second electromagnetic valve jumps in an emergency, and the controller is electrically connected with a power supply device.
Preferably, the first solenoid valve and the second solenoid valve are linkage solenoid valves, the first solenoid valve is normally closed, the second solenoid valve is normally open, and when the second solenoid valve is closed, the first solenoid valve is opened.
Preferably, the gas outlet end of the waste gas combustion furnace is further communicated with a hydrogen sulfide content detection device, and the hydrogen sulfide content detection device is electrically connected with the controller.
Preferably, the air outlet end of the waste gas combustion furnace is further communicated with an electromagnetic directional valve, an air inlet P of the electromagnetic directional valve is communicated with the air outlet end of the waste gas combustion furnace, a first air outlet a of the electromagnetic directional valve is communicated with the atmosphere, a second air outlet B of the electromagnetic directional valve is communicated with a one-way valve, the one-way valve is communicated with the air inlet end of the waste gas combustion furnace, and the one-way valve is communicated from the second air outlet B to the air inlet end of the waste gas combustion furnace in a one-way manner.
Preferably, the waste gas combustion furnace is also communicated with a gas supply device, and the gas supply device is used for supplying combustible gas into the waste gas combustion furnace.
Compared with the prior art, the utility model has the beneficial effects that: the safety protection device of the liquid sulfur degassing system can timely discharge and digest hydrogen sulfide gas precipitated in the degassing tower when all valves in the liquid sulfur degassing system jump and are closed in emergency, prevent the liquid sulfur degassing tower from exploding due to waste gas generated in the liquid sulfur degassing tower, and effectively prevent the hydrogen sulfide gas from causing air pollution. Through setting the first solenoid valve and the second solenoid valve as linkage solenoid valves, in emergency, the waste gas in the liquid sulfur degassing tower can be discharged into the waste gas burning tower for burning treatment at the first time, and then the risk of explosion is reduced to the maximum extent. Through setting up hydrogen sulfide content detection device, can detect the content of following the internal hydrogen sulfide gas of exhaust gas in the exhaust gas combustion furnace, according to the aperture of the first solenoid valve of content control of hydrogen sulfide gas, and then adjust the exhaust gas flow rate that lets in the exhaust gas combustion furnace, and then fully burn waste gas to reduce the content of hydrogen sulfide gas in the waste gas, reduce from the atmospheric pollution of the gas of discharging into to atmosphere. By arranging the electromagnetic directional valve, the content of hydrogen sulfide gas in the gas exhausted from the waste gas combustion furnace is reduced to the maximum extent, and the pollution to the atmosphere is reduced to the maximum extent. Through setting up gas supply unit, utilize gas supply unit to supply combustible gas in the waste gas combustion furnace, can play combustion-supporting effect, prevent that the hydrogen sulfide gas in the waste gas from burning inadequately.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a circuit diagram of a pipeline of the electromagnetic directional valve.
Description of reference numerals:
101. the system comprises a first electromagnetic valve, 102, a liquid sulfur degassing tower, 103, a second electromagnetic valve, 104, a sulfur production combustion furnace, 105, a waste gas combustion furnace, 2, a hydrogen sulfide content detection device, 301, an electromagnetic directional valve, 302, a one-way valve and 4, a gas supply device.
Detailed Description
Detailed description of the preferred embodimentsthe following detailed description of the present invention will be made with reference to the accompanying drawings 1-2, although it should be understood that the scope of the present invention is not limited to the specific embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1:
as shown in fig. 1, the present invention provides a safety protection device for a liquid sulfur degassing system, comprising: the system comprises a first electromagnetic valve 101, a waste gas combustion furnace 105 and a controller, wherein one end of the first electromagnetic valve 101 is communicated with the air outlet end of a liquid sulfur degassing tower 102, the air outlet end of the liquid sulfur degassing tower 102 is also communicated with a second electromagnetic valve 103, and the second electromagnetic valve 103 is communicated with a sulfur production combustion furnace 104; a waste gas combustion furnace 105, an air inlet end of which is communicated with the other end of the first electromagnetic valve 101, and an air outlet end of the waste gas combustion furnace 105 is communicated with the atmosphere; and the controller is electrically connected with the first electromagnetic valve 101 and is used for controlling the first electromagnetic valve 101 to be opened when the second electromagnetic valve 103 jumps in an emergency, and the controller is electrically connected with a power supply device.
The working principle of example 1 is now briefly described:
when an emergency occurs, all the skip valves in the liquid sulfur degassing system are closed, and the valves comprise a second electromagnetic valve 103 for skip. At this time, the controller controls the first electromagnetic valve 101 to be opened, and the exhaust gas generated in the liquid sulfur degassing tower 102 is introduced into the exhaust gas combustion furnace 105 through the first electromagnetic valve 101, and combustible gas including hydrogen sulfide gas in the exhaust gas is burned and removed by combustion in the exhaust gas combustion furnace 105. Thereby discharge after in time handling the waste gas that produces in the liquid sulfur degassing tower 102, and then effectively prevent that the waste gas that produces in the liquid sulfur degassing tower 102 from causing the liquid sulfur degassing tower 102 explosion, and further, through carrying out combustion processing with waste gas to can effectively eliminate combustible gas such as hydrogen sulfide in the waste gas, thereby prevent to cause air pollution.
According to the safety protection device for the liquid sulfur degassing system, when an emergency occurs and all valves in the liquid sulfur degassing system jump and are closed, hydrogen sulfide gas precipitated in the degassing tower 102 can be discharged and digested in time, so that the liquid sulfur degassing tower is prevented from exploding due to waste gas generated in the liquid sulfur degassing tower 102, and air pollution caused by the hydrogen sulfide gas can be effectively prevented.
Example 2:
in addition to embodiment 1, in order to open the first solenoid valve 101 at the first time when an emergency occurs, and further to discharge the waste gas in the liquid sulfur degassing tower 102 in time when the second solenoid valve 103 is closed, the risk of explosion is reduced to the maximum extent.
As shown in fig. 1, the first solenoid valve 101 and the second solenoid valve 103 are linkage solenoid valves, the first solenoid valve 101 is normally closed, the second solenoid valve 103 is normally open, and when the second solenoid valve 103 is closed, the first solenoid valve 101 is opened.
By setting the first solenoid valve 101 and the second solenoid valve 103 as linkage solenoid valves, under normal operating conditions, the first solenoid valve 101 is in a normally closed state, and the second solenoid valve 103 is in a normally open state. And the waste gas in the liquid sulfur degassing tower 102 is discharged into a sulfur production combustion tower through a second electromagnetic valve 103, the waste gas is combusted in the sulfur production combustion tower, hydrogen sulfide gas in the waste gas is converted into solid sulfur particles, and the waste gas is discharged out of the liquid sulfur degassing system after being treated in the sulfur production combustion tower. In an emergency situation, the second electromagnetic valve 103 is closed, and the first electromagnetic valve 101 is opened, so that the waste gas in the liquid sulfur degassing tower 102 can be discharged into the waste gas combustion tower for combustion treatment at the first time, and the risk of explosion is reduced to the maximum extent.
As a preferable scheme, as shown in fig. 1, a hydrogen sulfide content detection device 2 is further communicated with the gas outlet end of the waste gas combustion furnace 105, and the hydrogen sulfide content detection device 2 is electrically connected with the controller. By providing the hydrogen sulfide content detection device 2, the content of hydrogen sulfide gas in the gas discharged from the waste gas combustion furnace 105 can be detected, the opening of the first electromagnetic valve 101 is controlled according to the content of hydrogen sulfide gas, the flow rate of waste gas introduced into the waste gas combustion furnace 105 is adjusted, and the waste gas is sufficiently combusted, so that the content of hydrogen sulfide gas in the waste gas is reduced, and the pollution of the gas discharged into the atmosphere to the atmosphere is reduced.
As a preferable scheme, as shown in fig. 1 and 2, the outlet end of the waste gas combustion furnace 105 is further communicated with an electromagnetic directional valve 301, an air inlet P of the electromagnetic directional valve 301 is communicated with the outlet end of the waste gas combustion furnace 105, a first air outlet a of the electromagnetic directional valve is communicated with the atmosphere, a second air outlet B of the electromagnetic directional valve is communicated with a one-way valve 302, the one-way valve 302 is communicated with the inlet end of the waste gas combustion furnace 105, and the one-way valve 302 is communicated in one way from the second air outlet B to the inlet end of the waste gas combustion furnace 105. By providing the electromagnetic directional valve 301, when the hydrogen sulfide content detection device 2 detects that the content of hydrogen sulfide gas in the gas discharged from the exhaust gas combustion furnace 105 is excessively high, the electromagnetic directional valve 301 is controlled by the controller to switch to the communication between the air inlet P and the second air outlet B, and at this time, the gas discharged from the waste gas burning furnace 105 flows into the waste gas burning furnace 105 again through the electromagnetic directional valve 301 and the check valve 302 to be burned, when the hydrogen sulfide content detection means 2 detects that the content of hydrogen sulfide gas in the gas discharged from the exhaust gas combustion furnace 105 is low, the electromagnetic directional valve 301 is controlled by the controller to switch to the air inlet P to communicate with the first air outlet A, at this time, the gas discharged from the waste gas combustion furnace 105 is directly discharged to the atmosphere, further, the content of hydrogen sulfide gas in the gas discharged from the exhaust gas combustion furnace 105 is reduced to the maximum, thereby reducing the pollution to the atmosphere to the maximum.
Preferably, as shown in fig. 1, the waste gas burner 105 is further communicated with a gas supply device 4, and the gas supply device 4 is used for supplying combustible gas into the waste gas burner 105. By providing the gas supply device 4, the combustible gas is supplied into the exhaust gas combustion furnace 105 by the gas supply device 4, which can provide a combustion supporting function and prevent the hydrogen sulfide gas in the exhaust gas from being insufficiently combusted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A safety device for a liquid sulfur degassing system, comprising:
one end of the first electromagnetic valve (101) is communicated with the gas outlet end of the liquid sulfur degassing tower (102), the gas outlet end of the liquid sulfur degassing tower (102) is also communicated with a second electromagnetic valve (103), and the second electromagnetic valve (103) is communicated with a sulfur production combustion furnace (104);
the gas inlet end of the waste gas combustion furnace (105) is communicated with the other end of the first electromagnetic valve (101), and the gas outlet end of the waste gas combustion furnace (105) is communicated with the atmosphere;
and the controller is electrically connected with the first electromagnetic valve (101) and is used for controlling the first electromagnetic valve (101) to be opened when the second electromagnetic valve (103) jumps in an emergency, and the controller is electrically connected with a power supply device.
2. A safety shield for a liquid sulfur degassing system as claimed in claim 1 wherein said first solenoid valve (101) and said second solenoid valve (103) are ganged solenoid valves, the first solenoid valve (101) is normally closed and the second solenoid valve (103) is normally open, and when the second solenoid valve (103) is closed, the first solenoid valve (101) is open.
3. A safety protection device for a liquid sulfur degassing system as claimed in claim 1, wherein said outlet end of said waste gas combustion furnace (105) is further connected with a hydrogen sulfide content detection device (2), and said hydrogen sulfide content detection device (2) is electrically connected with said controller.
4. A safety protection device for a liquid sulfur degassing system as claimed in claim 3, wherein the outlet end of the waste gas burning furnace (105) is further communicated with a solenoid directional valve (301), the inlet P of the solenoid directional valve (301) is communicated with the outlet end of the waste gas burning furnace (105), the first outlet a of the solenoid directional valve is communicated with the atmosphere, the second outlet B of the solenoid directional valve is communicated with a one-way valve (302), the one-way valve (302) is communicated with the inlet end of the waste gas burning furnace (105), and the one-way valve (302) is in one-way communication from the second outlet B to the inlet end of the waste gas burning furnace (105).
5. A safety shield for a liquid sulfur degassing system as claimed in claim 1, wherein said waste gas burner (105) is further connected to a gas supply means (4), said gas supply means (4) being adapted to supply combustible gas to said waste gas burner (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299408.1U CN215798513U (en) | 2021-09-22 | 2021-09-22 | Safety protection device of liquid sulfur degassing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122299408.1U CN215798513U (en) | 2021-09-22 | 2021-09-22 | Safety protection device of liquid sulfur degassing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215798513U true CN215798513U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122299408.1U Active CN215798513U (en) | 2021-09-22 | 2021-09-22 | Safety protection device of liquid sulfur degassing system |
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|---|---|
| CN (1) | CN215798513U (en) |
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2021
- 2021-09-22 CN CN202122299408.1U patent/CN215798513U/en active Active
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