CN219440772U - Equipment for separating liquid sulfur, coal dust and tar residue in molten sulfur foam by gravity sedimentation - Google Patents
Equipment for separating liquid sulfur, coal dust and tar residue in molten sulfur foam by gravity sedimentation Download PDFInfo
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- CN219440772U CN219440772U CN202223482094.XU CN202223482094U CN219440772U CN 219440772 U CN219440772 U CN 219440772U CN 202223482094 U CN202223482094 U CN 202223482094U CN 219440772 U CN219440772 U CN 219440772U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model relates to a gravity sedimentation separation device for liquid sulfur, coal dust and tar slag in molten sulfur foam, which comprises a vertical sulfur melting column and a horizontal liquid sulfur tank, and is characterized in that the vertical sulfur melting column is of a cylindrical hollow structure, a feeding heat exchange pipe and a horizontal distribution pipe are arranged at the upper part of an inner cavity, a middle heater is arranged at the middle part, a lower heater is arranged at the lower part, and an external heater of the sulfur melting column is arranged on the outer wall of the vertical sulfur melting column; the horizontal liquid sulfur tank is a horizontal container, and the outer wall of the horizontal liquid sulfur tank is provided with a liquid sulfur tank external heater; the vertical sulfur melting column extends into the horizontal liquid sulfur tank and is arranged at one end of the horizontal liquid sulfur tank. The beneficial effects are as follows: the device has the functions of separating clear liquid, removing coal dust and tar residues and storing liquid sulfur, the extraction rate of sulfur is as high as more than 95%, and the quality of the extracted liquid sulfur is high, thereby being beneficial to sales and subsequent process processing.
Description
Technical Field
The utility model relates to the technical field of coal chemical industry, in particular to equipment for separating liquid sulfur, coal dust and tar residues in molten sulfur foam by gravity sedimentation.
Background
At present, almost all domestic desulfurization technologies in the industry of industrial flue gas and coal coking adopt wet desulfurization technology, and most of the technologies adopt an intermittent sulfur melting kettle to extract sulfur, so that the operation is difficult, the sulfur yield is low, the yield of systematic sulfur is only about 60%, and the slag discharge amount is large. Although the continuous sulfur melting kettle is adopted to extract sulfur, the degree of automation is low, the continuous operation is unstable, the extraction rate of sulfur is only 80%, a large amount of sulfur foam in clear liquid returns to the desulfurization liquid to circulate, the desulfurization efficiency of the whole desulfurization process is finally reduced, and meanwhile, the produced liquid sulfur contains more coal dust and tar residues, and the sales of the liquid sulfur and the subsequent processing process are seriously affected.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model solves the technical problem of providing equipment for separating liquid sulfur, coal dust and tar residues in molten sulfur foam by gravity sedimentation, which has the functions of separating clear liquid, removing coal dust and tar residues and storing the liquid sulfur, has the extraction rate of sulfur as high as more than 95 percent, has high quality of extracted liquid sulfur, and is beneficial to sales and subsequent process treatment.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the equipment for separating liquid sulfur, coal dust and tar slag in molten sulfur foam by gravity settling comprises a vertical sulfur melting column and a horizontal liquid sulfur tank, and is characterized in that the vertical sulfur melting column is of a cylindrical hollow structure, a feeding heat exchange pipe and a horizontal distribution pipe are arranged at the upper part of an inner cavity, a middle heater is arranged at the middle part, a lower heater is arranged at the lower part, and an external heater of the sulfur melting column is arranged on the outer wall of the vertical sulfur melting column; the horizontal liquid sulfur tank is a horizontal container, and the outer wall of the horizontal liquid sulfur tank is provided with a liquid sulfur tank external heater; the vertical sulfur melting column extends into the horizontal liquid sulfur tank and is arranged at one end of the horizontal liquid sulfur tank.
The top of the vertical sulfur melting column is provided with a clear liquid outlet, the clear liquid outlet is also provided with a sulfur particle catcher which can realize further separation of clear liquid and sulfur particles, the lower part is of a truncated cone-shaped structure, the bottom is provided with a liquid sulfur outlet which is communicated with the horizontal liquid sulfur tank, and the liquid sulfur outlet is positioned below the central line of the horizontal liquid sulfur tank.
And a conical residue outlet is arranged at the bottom of the horizontal liquid sulfur tank and opposite to the liquid sulfur outlet of the vertical sulfur melting column.
And a coal powder outlet is arranged at one side of the bottom of the horizontal liquid sulfur tank, which is far away from the vertical sulfur melting column, and a liquid sulfur outlet is arranged at the position of the upper part, which is opposite to the coal powder outlet.
The lower part in the horizontal liquid sulfur tank is provided with a baffle plate, and the baffle plate is positioned between the coal powder outlet and the conical residue outlet and is close to the conical residue outlet.
And a steam purging connecting pipe is arranged on the conical residue outlet.
The middle heater and the lower heater are both double-tube-pass coil steam heaters, and each tube pass is independently arranged, so that the heating area can be conveniently adjusted.
The sulfur melting column external heater and the liquid sulfur tank external heater are formed by welding half pipes, so that the sulfur melting column external heater is convenient to manufacture, low in processing cost and good in heat exchange effect.
Compared with the prior art, the utility model has the beneficial effects that:
1) The vertical sulfur melting column realizes separation of clear liquid and molten sulfur foam;
2) The horizontal liquid sulfur tank is used for separating liquid sulfur from pulverized coal and tar residues and storing the liquid sulfur;
3) The gravity sedimentation is adopted to realize the separation of liquid sulfur from coal dust and tar residues, and the separation and storage are integrated;
4) The extraction rate of sulfur is up to more than 95%, and the quality of the extracted liquid sulfur is high, thereby being beneficial to sales and subsequent process treatment.
Drawings
Fig. 1 is a schematic view of the structural principle of the present utility model.
In the figure: 1-a feeding heat exchange tube 2-a horizontal distribution tube 3-a middle heater 4-a lower heater 5-a sulfur melting column external heater 6-a liquid sulfur tank external heater 7-a clear liquid outlet 8-a sulfur granule catcher 9-a steam purge connecting tube 10-a conical residue outlet 11-a partition plate 12-a liquid sulfur outlet 13-a coal dust outlet
Detailed Description
The following is a further description of embodiments of the utility model, taken in conjunction with the accompanying drawings:
the utility model relates to a device for separating liquid sulfur, coal dust and tar slag in molten sulfur foam by gravity sedimentation, which is shown in fig. 1, and comprises a vertical sulfur melting column and a horizontal liquid sulfur tank, wherein the vertical sulfur melting column is of a cylindrical hollow structure, a feeding heat exchange tube 1 and a horizontal uniform distribution tube 2 are arranged at the upper part of an inner cavity, a middle heater 3 is arranged at the middle part, a lower heater 4 is arranged at the lower part, and an external heater 5 of the sulfur melting column is arranged on the outer wall; the horizontal liquid sulfur tank is a horizontal container, and the outer wall of the horizontal liquid sulfur tank is provided with a liquid sulfur tank external heater 6; the vertical sulfur melting column extends into the horizontal liquid sulfur tank and is arranged at one end of the horizontal liquid sulfur tank.
The top of the vertical sulfur melting column is provided with a clear liquid outlet 7, a sulfur particle catcher 8 is further arranged at the clear liquid outlet 7 to realize further separation of clear liquid and sulfur particles, the lower part is of a truncated cone-shaped structure, the bottom of the vertical sulfur melting column is provided with a liquid sulfur outlet communicated with a horizontal liquid sulfur tank, the liquid sulfur outlet is positioned below the central line of the horizontal liquid sulfur tank, liquid sulfur enters the horizontal liquid sulfur tank from the liquid sulfur outlet to separate coal dust and tar residues, and the separated liquid sulfur is stored.
The bottom of the horizontal liquid sulfur tank is provided with a conical residue outlet 10 which is opposite to the liquid sulfur outlet of the vertical sulfur melting column and is used for discharging heavy residues.
The bottom of the horizontal liquid sulfur tank is far away from one side of the vertical sulfur melting column, a coal powder outlet 13 is arranged, the upper part of the horizontal liquid sulfur tank is provided with a liquid sulfur outlet 12 opposite to the coal powder outlet 13, the coal powder outlet 13 and the liquid sulfur outlet 12 are far away from the vertical sulfur melting column, so that gravity sedimentation is facilitated, and separation of liquid sulfur, coal powder and tar residues is realized.
The lower part in the horizontal liquid sulfur tank is provided with a baffle plate 11, and the baffle plate 11 is positioned between the coal dust outlet 13 and the conical residue outlet 10 and is close to the conical residue outlet 10.
The conical residue outlet 10 is provided with a steam purging connecting pipe 9.
The middle heater 3 and the lower heater 4 are both double-tube-pass coil steam heaters, and each tube pass is independently arranged, so that the heating area can be conveniently adjusted.
The sulfur melting column external heater 5 and the liquid sulfur tank external heater 6 are formed by welding half pipes, so that the sulfur melting column external heater is convenient to manufacture, low in processing cost and good in heat exchange effect.
During operation, sulfur foam enters a vertical sulfur melting column from a feeding heat exchange tube 1, after heat exchange between the sulfur foam and the feeding heat exchange tube 1, the sulfur foam flows horizontally under the guidance of a horizontal uniform distribution tube 2, fluid state is stabilized, impact on the liquid level is reduced, under the action of gravity sedimentation, clear liquid with small specific gravity is gradually separated upwards, the clear liquid is discharged from a top clear liquid outlet 7, impurities and sulfur particles with large specific gravity continue downwards, under the heating action of a middle heater 3, a lower heater 4 and a sulfur melting column external heater 5, molten sulfur and impurities enter a horizontal liquid sulfur tank, heavy residues are directly discharged from a conical residue outlet 10, after full flow through a partition plate 11, pulverized coal and tar residues are further separated from the liquid sulfur, the liquid sulfur is discharged from a liquid sulfur outlet 12 at the upper part of one end of the horizontal liquid sulfur tank far away from the vertical sulfur melting column, and pulverized coal and tar residues are discharged from a pulverized coal outlet 13 at the lower part.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The equipment for separating liquid sulfur, coal dust and tar slag in molten sulfur foam by gravity settling comprises a vertical sulfur melting column and a horizontal liquid sulfur tank, and is characterized in that the vertical sulfur melting column is of a cylindrical hollow structure, a feeding heat exchange pipe and a horizontal distribution pipe are arranged at the upper part of an inner cavity, a middle heater is arranged at the middle part, a lower heater is arranged at the lower part, and an external heater of the sulfur melting column is arranged on the outer wall of the vertical sulfur melting column; the horizontal liquid sulfur tank is a horizontal container, and the outer wall of the horizontal liquid sulfur tank is provided with a liquid sulfur tank external heater; the vertical sulfur melting column extends into the horizontal liquid sulfur tank and is arranged at one end of the horizontal liquid sulfur tank.
2. The gravity settling separation device for liquid sulfur, coal dust and tar slag in molten sulfur foam according to claim 1, wherein a clear liquid outlet is arranged at the top of the vertical sulfur melting column, a sulfur particle catcher is further arranged at the clear liquid outlet, the lower part of the vertical sulfur melting column is of a truncated cone-shaped structure, the bottom of the vertical sulfur melting column is provided with a liquid sulfur outlet communicated with a horizontal liquid sulfur tank, and the liquid sulfur outlet is positioned below the center line of the horizontal liquid sulfur tank.
3. The gravity settling separation device for liquid sulfur, coal dust and tar residues in molten sulfur foam according to claim 1, wherein a conical residue outlet is arranged at the bottom of the horizontal liquid sulfur tank opposite to the liquid sulfur outlet of the vertical sulfur melting column.
4. The gravity settling separation device for liquid sulfur, coal dust and tar slag in molten sulfur foam according to claim 1, wherein a coal dust outlet is arranged at one side of the bottom of the horizontal liquid sulfur tank far away from the vertical sulfur melting column, and a liquid sulfur outlet is arranged at the position of the upper part of the horizontal liquid sulfur tank opposite to the coal dust outlet.
5. The gravity settling separation device for liquid sulfur, coal dust and tar slag in molten sulfur foam according to claim 1, wherein a baffle is arranged at the lower part in the horizontal liquid sulfur tank, and the baffle is positioned between the coal dust outlet and the conical residue outlet and is close to the conical residue outlet.
6. The apparatus for gravity settling separation of liquid sulfur from pulverized coal and tar residues in molten sulfur foam according to claim 3, wherein a steam purge nozzle is provided at said conical residue outlet.
7. The apparatus for gravity settling separation of liquid sulfur from pulverized coal and tar residues in molten sulfur foam according to claim 1, wherein the middle heater and the lower heater are independently arranged double-tube-pass coil steam heaters.
8. The apparatus for gravity settling separation of liquid sulfur from pulverized coal and tar residues in molten sulfur foam according to claim 1, wherein the external heater of the molten sulfur column and the external heater of the liquid sulfur tank are formed by half-tube welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223482094.XU CN219440772U (en) | 2022-12-26 | 2022-12-26 | Equipment for separating liquid sulfur, coal dust and tar residue in molten sulfur foam by gravity sedimentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223482094.XU CN219440772U (en) | 2022-12-26 | 2022-12-26 | Equipment for separating liquid sulfur, coal dust and tar residue in molten sulfur foam by gravity sedimentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219440772U true CN219440772U (en) | 2023-08-01 |
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ID=87409199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223482094.XU Active CN219440772U (en) | 2022-12-26 | 2022-12-26 | Equipment for separating liquid sulfur, coal dust and tar residue in molten sulfur foam by gravity sedimentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219440772U (en) |
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2022
- 2022-12-26 CN CN202223482094.XU patent/CN219440772U/en active Active
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