CN210729049U - Tail gas liquid separating tank of sulfur recovery device - Google Patents
Tail gas liquid separating tank of sulfur recovery device Download PDFInfo
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- CN210729049U CN210729049U CN201921461778.7U CN201921461778U CN210729049U CN 210729049 U CN210729049 U CN 210729049U CN 201921461778 U CN201921461778 U CN 201921461778U CN 210729049 U CN210729049 U CN 210729049U
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- wire mesh
- sulphur
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Abstract
The utility model belongs to the field of sulfur recovery process devices, and relates to a tail gas liquid separating tank of a sulfur recovery device. The tail gas liquid separating tank comprises a tank body, wherein the tank body is of a vertical structure, a process gas inlet is formed in the side wall of the tank body, a liquid sulfur outlet is formed in the bottom of the tank body, a wire mesh is arranged in the tank body, the wire mesh is obliquely arranged in the tank body, and a guide pipe extending downwards is arranged below the wire mesh; the process gas inlet extends out of the process gas inlet pipe towards the inner part of the tank body, and the gas outlet of the process gas inlet pipe is arranged downwards. The utility model discloses a tail gas divides the liquid jar setting to burn burning furnace and second grade (or tertiary) conversion back at the system sulphur for the gas-liquid separation of system sulphur tail gas, entrapment liquid sulphur reduces the liquid sulphur loss, improves the sulphur rate of recovery of device, eliminates the influence of liquid sulphur to follow-up system as far as possible, increases tail gas part load, blocks up the exhaust system pipeline.
Description
Technical Field
The utility model belongs to the field of sulfur recovery process devices, and relates to a tail gas liquid separating tank of a sulfur recovery device.
Background
The tail gas liquid separating tank of the sulfur recovery device is a boundary point of the sulfur production part and the tail gas treatment part. The liquid sulfur carried in the process gas is collected so as to avoid the adverse effect caused by entering the tail gas treatment part, wherein the adverse effect influences the total sulfur recovery rate, increases the tail gas treatment load and is easy to cause the blockage of a pipeline system.
At present, the conventional tail gas separating tank is simple in structural form, is a vertical container, allows process gas to enter and exit from the bottom, is provided with a layer of wire mesh at the top of the tank for trapping liquid sulfur, and is provided with a jacket structure at the bottom, and is used for introducing steam for heat tracing to prevent the liquid sulfur from being solidified, as shown in fig. 1. The discovery in the actual production operation, the application effect of this kind of tail gas liquid separation jar is unsatisfactory, and the silk screen is blockked up by liquid sulphur easily to cause the system sulphur tail gas to carry liquid sulphur secretly, lead to tail gas system load increase, make the system pressure drop increase, cause the system to block up even. The silk screen is carbon steel material, and long-term operation is easy to corrode the damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior device and provide the tail gas liquid separating tank of the sulfur recovery device. The utility model discloses a tail gas knockout drum can increase liquid sulfur separation time, and the pressure drop of the lowering system improves the stability and each running life of operation comprehensively.
The utility model discloses an adopt following technical scheme to realize:
a tail gas separating tank of a sulfur recovery device comprises a tank body, wherein the tank body is of a vertical structure, a process gas inlet is formed in the side wall of the tank body, a liquid sulfur outlet is formed in the bottom of the tank body, a wire mesh is arranged in the tank body, the wire mesh is obliquely arranged in the tank body, and a guide pipe extending downwards is arranged below the wire mesh; the process gas inlet extends out of the process gas inlet pipe towards the inner part of the tank body, and the gas outlet of the process gas inlet pipe is arranged downwards.
Further, the inclination angle of the silk screen and the horizontal plane is 25-35 degrees.
Further, the material of the silk screen is austenitic stainless steel S30408.
Further, the bottom of the tank body is provided with a jacket which is communicated with a steam pipe, and the steam pipe penetrates through the interior of the tank body and is obliquely arranged along the lower part of the silk screen.
The utility model has the advantages that:
the utility model discloses a tail gas divides the liquid jar setting to burn burning furnace and second grade (or tertiary) conversion back at the system sulphur for the gas-liquid separation of system sulphur tail gas, entrapment liquid sulphur reduces the liquid sulphur loss, improves the sulphur rate of recovery of device, eliminates the influence of liquid sulphur to follow-up system as far as possible, increases tail gas part load, blocks up the exhaust system pipeline. The wire mesh is made of austenitic stainless steel S30408, has antirust performance, avoids the decrease of wire mesh pore passages caused by rusting, and can increase the pressure drop of a sulfur production tail gas system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic structural diagram of a conventional tail gas liquid separation tank;
FIG. 2 is a schematic structural view of the tail gas separating tank of the present invention;
reference numbers in the figures: 1 tank body, 2 process gas inlets, 201 process gas discharge pipes, 3 condensed water outlets, 4 silk screens, 5 steam pipes and 6 guide pipes.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings. The experimental procedures used in the following examples are all conventional procedures unless otherwise specified. The devices, materials, reagents and the like used in the following examples are commercially available unless otherwise specified. In the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inside", "outside", and the like are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 2, the tail gas separating tank of the sulfur recovery device of the embodiment comprises a tank body 1, wherein the tank body is of a vertical structure, and the process gas enters from bottom to top. The lateral wall of the tank body is provided with a process gas inlet 2, and the bottom of the tank body is provided with a liquid sulfur outlet. The bottom of the tank body is also provided with a condensed water outlet 3.
The inside of the tank body is provided with a silk screen 4, the silk screen is obliquely arranged in the tank body, and the inclination angle of the silk screen and the horizontal plane is 25-35 degrees. The inclined wire mesh has a flow guiding function on the liquid sulfur, so that less liquid is gathered, the pressure drop is small, secondary entrainment is not easy, and the gas velocity is improved. The wire mesh is made of austenitic stainless steel S30408, and the wire mesh has antirust performance, so that the decrease of wire mesh channels caused by rusting is avoided, and the pressure drop of a sulfur production tail gas system is increased. Due to the complex composition of the process gas, which contains SO2、H2S、H2O, S, the temperature is about 160 ℃, there is higher sulfur corrosion, the material contains Ni and Cr, improves the high temperature oxidation resistance and strength, and improves the corrosion resistance.
A flow guide pipe 6 extending downwards is arranged below the silk screen. The liquid sulphur of adhesion at the silk screen flows along the silk screen under the action of gravity, and then flows to the tank bottoms through the honeycomb duct, avoids liquid sulphur to pile up on the silk screen, influences the output of gaseous phase.
The process gas inlet extends to the inside of the tank body to form a process gas inlet pipe 201, and the gas outlet of the process gas inlet pipe is arranged downward. The process gas is firstly buffered downwards after entering the tank body, so that the residence time of the gas phase is prolonged, the separation time of liquid sulfur is prolonged, and the sedimentation of the liquid sulfur is facilitated.
The bottom of the tank body is provided with a jacket which is communicated with a steam pipe 5, and the steam pipe penetrates through the inside of the tank body and is obliquely arranged below the extension screen mesh. Steam is introduced into the jacket to carry out heat tracing on the bottom of the tank body, so that the solidification of liquid sulfur is prevented.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (4)
1. A tail gas liquid separation tank of a sulfur recovery device comprises a tank body (1), wherein the tank body (1) is of a vertical structure, a process gas inlet (2) is formed in the side wall of the tank body (1), a liquid sulfur outlet is formed in the bottom of the tank body, and a wire mesh (4) is arranged in the tank body (1), and is characterized in that the wire mesh (4) is obliquely arranged in the tank body (1), and a guide pipe (6) extending downwards is arranged below the wire mesh (4); the process gas inlet (2) extends out of the process gas inlet pipe (201) towards the interior of the tank body (1), and a gas outlet of the process gas inlet pipe (201) is arranged downwards.
2. The tail gas liquid separation tank of the sulfur recovery device according to claim 1, wherein the inclination angle of the wire mesh (4) to the horizontal plane is 25-35 °.
3. The tail gas liquid separation tank of the sulfur recovery device according to claim 1, wherein the wire mesh (4) is made of austenitic stainless steel S30408.
4. The tail gas liquid separation tank of the sulfur recovery device according to claim 1, wherein the bottom of the tank body (1) is provided with a jacket which is communicated with a steam pipe (5), and the steam pipe (5) penetrates through the inside of the tank body (1) and is obliquely arranged along the lower part of the wire mesh (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461778.7U CN210729049U (en) | 2019-09-04 | 2019-09-04 | Tail gas liquid separating tank of sulfur recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461778.7U CN210729049U (en) | 2019-09-04 | 2019-09-04 | Tail gas liquid separating tank of sulfur recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210729049U true CN210729049U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921461778.7U Active CN210729049U (en) | 2019-09-04 | 2019-09-04 | Tail gas liquid separating tank of sulfur recovery device |
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| CN (1) | CN210729049U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495069A (en) * | 2020-11-20 | 2021-03-16 | 朱伯麟 | Foam catching device for purifying liquid sulfur foams in hydrogen sulfide gas |
-
2019
- 2019-09-04 CN CN201921461778.7U patent/CN210729049U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112495069A (en) * | 2020-11-20 | 2021-03-16 | 朱伯麟 | Foam catching device for purifying liquid sulfur foams in hydrogen sulfide gas |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 255434 No. 22, middle refinery Road, Linzi District, Shandong, Zibo Patentee after: Shandong Sanwei Chemical Group Co.,Ltd. Address before: 255434 No. 22, middle refinery Road, Linzi District, Shandong, Zibo Patentee before: SHANDONG SUNWAY PETROCHEMICAL ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |