CN221287788U - Sulfur melting tower - Google Patents
Sulfur melting tower Download PDFInfo
- Publication number
- CN221287788U CN221287788U CN202323149261.3U CN202323149261U CN221287788U CN 221287788 U CN221287788 U CN 221287788U CN 202323149261 U CN202323149261 U CN 202323149261U CN 221287788 U CN221287788 U CN 221287788U
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- Prior art keywords
- sulfur
- section
- cylinder
- tower
- sulfur melting
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- 229910052717 sulfur Inorganic materials 0.000 title claims abstract description 174
- 239000011593 sulfur Substances 0.000 title claims abstract description 174
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 170
- 238000002844 melting Methods 0.000 title claims abstract description 66
- 230000008018 melting Effects 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000000926 separation method Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 44
- 239000002002 slurry Substances 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims abstract description 17
- 239000011521 glass Substances 0.000 claims description 8
- 238000006477 desulfuration reaction Methods 0.000 abstract description 7
- 230000023556 desulfurization Effects 0.000 abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000002253 acid Substances 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000009279 wet oxidation reaction Methods 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 2
- 238000000746 purification Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 11
- 239000012530 fluid Substances 0.000 description 9
- 239000002817 coal dust Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000571 coke Substances 0.000 description 2
- 238000007255 decyanation reaction Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The utility model relates to the field of acid production from desulfurization waste liquid which is a byproduct of an ammonia wet oxidation desulfurization process in gas purification, in particular to a sulfur melting tower. The tower body of the sulfur melting tower is vertically arranged and is a cylinder; the sulfur melting tower is sequentially divided into a preheating section, a heating section, a separation section, a sulfur melting section and a liquid sulfur separation section from top to bottom; a circular pipe and a clear liquid outlet channel are arranged in the barrel body of the preheating section, the circular pipe is positioned at the outer side of the clear liquid outlet channel, the circular pipe is communicated with a sulfur slurry inlet, the sulfur slurry enters the circular pipe from the sulfur slurry inlet, and the clear liquid outlet channel is separated from the sulfur slurry inlet for indirect preheating; external heaters are arranged outside the cylinders of the heating section, the separation section, the sulfur melting section and the liquid sulfur separation section; the upper part of the barrel body of the liquid sulfur separation section is provided with an impurity outlet. Can evenly heat sulfur slurry, reduce energy consumption of a sulfur melting tower, has high sulfur melting efficiency and good quality of prepared sulfur.
Description
Technical Field
The utility model relates to the field of acid production from desulfurization waste liquid which is a byproduct of an ammonia wet oxidation desulfurization process in gas purification, in particular to a sulfur melting tower.
Background
The low-quality sulfur and the sulfur-containing side salt waste liquid generated by the ammonia wet oxidation desulfurization decyanation process of the coke oven gas with HPF, PDS and the like as catalysts are burnt to prepare sulfuric acid, so that the process problems of recycling the low-quality sulfur and harmless post-treatment of the sulfur-containing side salt waste liquid are fundamentally solved, the desulfurization decyanation efficiency of the coke oven gas can be effectively improved, the three-waste emission is reduced, and the coking environment-friendly level is improved.
The sulfur slurry sent by the gas purifying and desulfurizing unit is sent to sulfur melting equipment for sulfur melting operation, and the generated liquid sulfur is a key raw material for preparing acid. The sulfur melting equipment is used as core equipment of a pretreatment unit of a waste liquid and liquid sulfur acid preparation process, and the performance of the sulfur melting equipment directly influences the stability and production of the subsequent process.
The sulfur melter is a conventional apparatus for treating sulfur slurry, and solid sulfur is obtained by crushing foam by heating. After the sulfur slurry enters the sulfur melting kettle, the sulfur slurry is gradually deposited, so that the inside cannot be heated uniformly, the sulfur melting efficiency is low, the sulfur melting time is long, the heating steam consumption is high, and the sulfur quality is poor.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides the sulfur melting tower which can uniformly heat sulfur slurry, reduce the energy consumption of the sulfur melting tower, has high sulfur melting efficiency and good quality of prepared sulfur.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
The sulfur melting tower is characterized in that a tower body of the sulfur melting tower is vertically arranged and is a cylinder; the sulfur melting tower is sequentially divided into a preheating section, a heating section, a separation section, a sulfur melting section and a liquid sulfur separation section from top to bottom; a circular pipe and a clear liquid outlet channel are arranged in the barrel body of the preheating section, the circular pipe is positioned at the outer side of the clear liquid outlet channel, the circular pipe is communicated with a sulfur slurry inlet, the sulfur slurry enters the circular pipe from the sulfur slurry inlet, and the clear liquid outlet channel is separated from the sulfur slurry inlet for indirect preheating; external heaters are arranged outside the cylinders of the heating section, the separation section, the sulfur melting section and the liquid sulfur separation section; the upper part of the barrel body of the liquid sulfur separation section is provided with an impurity outlet.
Further, the cylinder body of the preheating section is connected with the cylinder body of the heating section through a flange.
Further, the preheating section comprises a cleaning fluid channel, the cleaning fluid channel is vertically arranged, the cleaning fluid channel is a cylinder, the upper section and the lower section of the cleaning fluid channel are conical, the middle section of the cleaning fluid channel is straight cylindrical, and a cleaning fluid outlet is arranged at the top of the cleaning fluid channel; the ring canal is positioned at the outer side of the upper section, and the bottom of the ring canal is provided with a hole.
The bottom of the ring pipe is uniformly provided with holes which are round holes, oblong holes or square holes.
Further, an upper sealing head is arranged at the top of the barrel body of the preheating section, and the ring pipe is connected with the upper sealing head through a hanging bracket and a bolt.
Further, the heating section comprises an inner cylinder, a conical cylinder and a heating section heat exchange coil; the inner cylinder is positioned in the cylinder body of the heating section, the cone cylinder is positioned in the inner cylinder, and the periphery of the cone cylinder and the inner cylinder form an annular channel; the heat exchange coil of the heating section surrounds the outer side of the inner cylinder.
The cone cylinder is connected with the inner cylinder through connecting plates, and the number of the connecting plates is determined according to the diameter of the inner cylinder and is not less than 3.
Further, the sulfur melting section comprises a sulfur melting section heat exchange coil, and the sulfur melting section heat exchange coil is fixedly connected in a barrel of the sulfur melting section through a bracket.
Further, the liquid sulfur separation section comprises an inverted cone, a straight pipe and a concentrated sulfur outlet; the inverted cone is fixedly connected to the upper part of the barrel body of the liquid sulfur separation section, and the straight pipe is fixedly connected to the bottom of the inverted cone; the bottom of the barrel body of the liquid sulfur separation section is provided with a lower end enclosure, and the concentrated sulfur outlet is communicated with the lower end enclosure.
Further, the liquid sulfur separation section also comprises a sight glass, and the sight glass is fixedly connected on the outer wall of the barrel body of the liquid sulfur separation section.
Further, the external heater comprises an external heater heat exchange coil, a fixing piece and a heat conduction layer, wherein the external heater heat exchange coil is fixedly connected to the outer wall of the tower body through the fixing piece, and the heat conduction layer is covered outside the fixing piece and the external heater heat exchange coil.
Further, the heat conduction layer is made of a heat conduction cement material.
The external heater can be arranged in sections or connected together and integrally arranged. The heating medium of the external heater is steam or heat conducting oil.
An insulating layer is arranged outside the sulfur melting tower body.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model is provided with a preheating section, a circular pipe and a clear liquid outlet channel are arranged in a barrel body of the preheating section, the circular pipe is positioned at the outer side of the clear liquid outlet channel, the circular pipe is communicated with a sulfur slurry inlet, the sulfur slurry enters the circular pipe from the sulfur slurry inlet, and the clear liquid outlet channel is separated from the sulfur slurry inlet for indirect preheating. The utility model fully utilizes the waste heat of the separated clear liquid to preheat the sulfur slurry just entering the tower body from the sulfur slurry inlet, improves the energy utilization efficiency, saves the total heat transfer quantity required by the slurry and reduces the energy consumption.
2. External heaters are arranged outside the cylinder bodies of the heating section, the separation section, the sulfur melting section and the liquid sulfur separation section. And an external heater is adopted, so that the heating temperature is uniform.
3. The upper part of the barrel body of the liquid sulfur separation section is provided with an impurity outlet. Impurities with light density in the liquid sulfur separation section flow upwards, and impurities such as coal dust can be discharged through the top impurity outlet, so that the sulfur purity is high.
Drawings
Fig. 1 is a schematic front cross-sectional view of the structure of the present utility model.
Fig. 2 is a schematic view of the structure and installation of the external heater of the present utility model.
In the figure: 1-preheating section 11-preheating section cylinder 12-upper seal head 13-sulfur slurry inlet 14-clear liquid outlet 15-loop 16-upper section 17-middle section 18-lower section 19-preheating section flange 110-hanger 111-U-shaped bolt 2-heating section 21-heating section flange 22-bracket 23-heating section heat exchange coil 24-heating section cylinder 25-external heater 251-external heater heat exchange coil 252-fixing piece 253-heat conduction cement 26-inner cylinder 27-conical cylinder 28-connecting plate 3-separation section 31-separation section cylinder 4-sulfur melting section 41-sulfur melting section heat exchange coil 42-sulfur melting section cylinder 5-liquid sulfur separation section 51-impurity outlet 52-sight glass 53 inverted cone 54-straight tube 55-liquid sulfur separation section cylinder 56-lower seal head 57-concentrated sulfur outlet 6-skirt
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
[ Example ]
As shown in fig. 1, the sulfur melting tower is vertically arranged, the tower body is a round straight cylinder, and an insulating layer is arranged outside the tower body. The sulfur melting tower is sequentially divided into a preheating section 1, a heating section 2, a separation section 3, a sulfur melting section 4 and a liquid sulfur separation section 5 from top to bottom, and a skirt 6 is fixedly connected to the bottom of the liquid sulfur separation section 5.
The preheating section 1 comprises a preheating section cylinder 11, an upper seal head 12, a sulfur slurry inlet 13, a clear liquid outlet 14, a loop pipe 15, a clear liquid outlet channel and a preheating section flange 19. The upper end enclosure 12 is fixedly connected to the top of the preheating section cylinder 11, and the preheating section flange 19 is fixedly connected to the bottom of the preheating section cylinder 11.
The cleaning fluid channel is vertically arranged, is a cylinder and is positioned at the inner center of the preheating section cylinder 11, and the axis of the cleaning fluid channel is the same as the axis of the preheating section cylinder 11. The upper section 16 and the lower section 18 of the cleaning liquid channel are conical, the middle section 17 is a straight cylinder, the upper section 16 is a right circular cone cylinder, and the lower section 18 is an inverted circular cone cylinder. The top of the upper section 16 is connected with a clear liquid outlet 14, and the clear liquid outlet 14 extends out of the upper sealing head 12.
The circular pipe 15 is horizontally arranged and surrounds the outer side of the upper section 16, and holes, such as round holes, oblong holes, square holes and the like, are uniformly formed in the bottom of the circular pipe 15. The ring pipe 15 is fixedly connected with the inner wall of the upper end enclosure 11 through a hanging bracket 110 and a U-shaped bolt 111.
The sulfur slurry inlet 13 is vertically arranged, the top end of the sulfur slurry inlet extends out of the upper seal head 12, and the bottom end of the sulfur slurry inlet is communicated with the annular pipe 15.
The heating section 2 comprises a heating section flange 21, a bracket 22, a heating section heat exchange coil 23, a heating section cylinder 24, an external heater 25, an inner cylinder 26, a cone cylinder 27 and a connecting plate 28. The heating section flange 21 is fixedly connected to the top of the heating section cylinder 24, and the preheating section flange 19 is connected with the heating section flange 21 through bolts, so that the preheating section 1 is connected with the heating section 2. An external heater 25 is mounted on the outer wall of the heating section cylinder 24.
The inner cylinder 26 is a straight cylinder and is positioned at the inner center of the heating section cylinder 24, and the top of the inner cylinder 26 is connected with the lower section 18 of the preheating section 1. The cone 27 is welded at the bottom of the inner cylinder 26, the periphery and the inner cylinder 26 are provided with annular channels, the cone is welded with the inner cylinder 26 through connecting plates 28, and the number of the connecting plates 28 is determined according to the diameter of the inner cylinder 26 and is not less than 3.
The heating section heat exchange coil 23 surrounds the outer side of the inner cylinder 26, and the heating section heat exchange coil 23 is fixedly connected to the inner wall of the heating section cylinder 24 through a bracket 22 and a U-shaped bolt 111.
The separation section 3 includes a separation section cylinder 31 and an external heater 25, and the external heater 25 is mounted on the outer wall of the separation section cylinder 31.
The sulfur melting section 4 comprises a sulfur melting section heat exchange coil 41, a sulfur melting section cylinder 42 and an external heater 25, wherein the sulfur melting section heat exchange coil 41 is fixedly connected to the inner wall of the sulfur melting section cylinder 42 through a bracket 22 and a U-shaped bolt 111. The external heater 25 is mounted on the outer wall of the sulfur melting section cylinder 42.
The liquid sulfur separation section 5 comprises an impurity outlet 51, a sight glass 52, an inverted cone 53, a straight pipe 54, an external heater 25, a sulfur separation section cylinder 55, a lower seal head 56 and a concentrated sulfur outlet 57. The lower seal head 56 is fixedly connected to the bottom of the sulfur separation section cylinder 55, the skirt 6 is fixedly connected to the bottom of the lower seal head 56, the top end of the vertical section of the concentrated sulfur outlet 57 is communicated with the lower seal head 56, and the horizontal section extends out of the skirt 6.
The inverted cone 53 is fixedly connected in the sulfur separation section cylinder 55 and is positioned at the upper part. The straight pipe 54 is made of steel pipes, and the straight pipe 54 is fixedly connected to the bottom of the inverted cone 53. The sight glass 52 is fixedly connected to the outer wall of the sulfur separation section cylinder 55.
As shown in fig. 2, the external heater 25 includes an external heater heat exchange coil 251, a fixing member 252 and heat conductive cement 253, the external heater heat exchange coil 251 is fixedly connected to the outer wall of the tower body through the fixing member 252, and the heat conductive cement 253 covers the fixing member 252 and the external heater heat exchange coil 251. The external heater heat exchange coil 251 may be fabricated from copper tubing or steel tubing.
The external heater 25 may be arranged in sections or may be integrally connected together. The heating medium of the external heater 25 may be steam or heat transfer oil.
The working principle and working process of the utility model are as follows:
1. The sulfur slurry from the desulfurization unit enters the annular pipe 15 through the sulfur slurry inlet 13 and uniformly enters the outer space of the upper section 16 of the cleaning liquid channel, indirectly exchanges heat with the clear liquid in the upper section 16, uniformly flows downwards along the annular space, and does not influence the upward flow of the clear liquid.
2. The sulfur slurry enters the heating section 2, the internal sulfur slurry is heated to 110-135 ℃ uniformly through the heating section heat exchange coil 23 and the external heater 25, tiny sulfur particles in the sulfur slurry start to gather and increase, the sulfur slurry is separated into sulfur and clear liquid in the separation section 3, the sulfur with high density and part of clear liquid flow into the sulfur melting section 4 by gravity, the sulfur is heated to 115-140 ℃ uniformly through the sulfur melting section heat exchange coil 41 and the external heater 25, the sulfur is positioned at the bottom of the sulfur melting section 4, the liquid state is kept, and the sulfur flows into the liquid sulfur separation section 5 through the inverted cone 53 and the straight pipe 54.
3. In the liquid sulfur separation section 5, the density of impurities such as coal dust in the liquid sulfur is light, the impurities such as coal dust float upwards, the impurities such as coal dust are observed through the sight glass 52, the impurity outlet valve is opened to discharge the impurities, the liquid sulfur flows downwards by gravity, the purity of the lower sulfur is ensured, and the lower sulfur is discharged through the concentrated sulfur outlet 57 and is used as an acid preparation raw material.
The sulfur pulp enters the loop pipe 15 from the sulfur pulp inlet 13, and the clear liquid outlet channel is separated from the sulfur pulp inlet 13 and is indirectly preheated. According to the utility model, the residual heat of the separated clear liquid is fully utilized to preheat the sulfur slurry just entering the tower body from the sulfur slurry inlet 13, so that the energy utilization efficiency is improved, the total heat transfer quantity required by the slurry is saved, and the energy consumption is reduced. The heating section 2, the separation section 3, the sulfur melting section 4 and the liquid sulfur separation section 5 are all provided with external heaters 25, and the heating temperature is uniform by adopting the external heaters 25. Impurities with light density in the liquid sulfur separation section flow upwards, and impurities such as coal dust can be discharged through the top impurity outlet 51, so that the obtained sulfur has high purity.
The utility model can uniformly heat the sulfur slurry, reduce the energy consumption of the sulfur melting tower, has high sulfur melting efficiency and good quality of the prepared sulfur.
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 (9)
1. A sulfur melting tower, characterized in that:
The tower body of the sulfur melting tower is vertically arranged and is a cylinder; the sulfur melting tower is sequentially divided into a preheating section, a heating section, a separation section, a sulfur melting section and a liquid sulfur separation section from top to bottom;
A circular pipe and a clear liquid outlet channel are arranged in the barrel body of the preheating section, the circular pipe is positioned at the outer side of the clear liquid outlet channel, the circular pipe is communicated with a sulfur slurry inlet, the sulfur slurry enters the circular pipe from the sulfur slurry inlet, and the clear liquid outlet channel is separated from the sulfur slurry inlet for indirect preheating;
External heaters are arranged outside the cylinders of the heating section, the separation section, the sulfur melting section and the liquid sulfur separation section;
the upper part of the barrel body of the liquid sulfur separation section is provided with an impurity outlet.
2. A sulfur melting tower as set forth in claim 1 wherein:
The cylinder body of the preheating section is connected with the cylinder body of the heating section through a flange.
3. A sulfur melting tower as set forth in claim 1 wherein:
The clear liquid outlet channel is vertically arranged, the clear liquid outlet channel is a cylinder, the upper section and the lower section of the clear liquid outlet channel are conical, the middle section of the clear liquid outlet channel is in a straight cylinder shape, and the top of the clear liquid outlet channel is provided with a clear liquid outlet;
the ring canal is positioned at the outer side of the upper section, and the bottom of the ring canal is provided with a hole.
4. A sulfur melting tower as set forth in claim 1 wherein:
the top of the barrel body of the preheating section is provided with an upper end socket, and the annular pipe is connected with the upper end socket through a hanging bracket and a bolt.
5. A sulfur melting tower as set forth in claim 1 wherein:
the heating section comprises an inner cylinder, a conical cylinder and a heating section heat exchange coil;
The inner cylinder is positioned in the cylinder body of the heating section, the cone cylinder is positioned in the inner cylinder, and the periphery of the cone cylinder and the inner cylinder form an annular channel;
the heat exchange coil of the heating section surrounds the outer side of the inner cylinder.
6. A sulfur melting tower as set forth in claim 1 wherein:
The sulfur melting section comprises a sulfur melting section heat exchange coil, and the sulfur melting section heat exchange coil is fixedly connected in a barrel of the sulfur melting section through a bracket.
7. A sulfur melting tower as set forth in claim 1 wherein:
The liquid sulfur separation section comprises an inverted cone, a straight pipe and a concentrated sulfur outlet;
the inverted cone is fixedly connected to the upper part of the barrel body of the liquid sulfur separation section, and the straight pipe is fixedly connected to the bottom of the inverted cone;
the bottom of the barrel body of the liquid sulfur separation section is provided with a lower end enclosure, and the concentrated sulfur outlet is communicated with the lower end enclosure.
8. A sulfur melting tower as set forth in claim 7 wherein:
The liquid sulfur separation section also comprises a sight glass, and the sight glass is fixedly connected to the outer wall of the barrel body of the liquid sulfur separation section.
9. A sulfur melting tower as set forth in claim 1 wherein:
The external heater comprises an external heater heat exchange coil, a fixing piece and a heat conducting layer, wherein the external heater heat exchange coil is fixedly connected to the outer wall of the tower body through the fixing piece, and the heat conducting layer is covered outside the fixing piece and the external heater heat exchange coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323149261.3U CN221287788U (en) | 2023-11-21 | 2023-11-21 | Sulfur melting tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323149261.3U CN221287788U (en) | 2023-11-21 | 2023-11-21 | Sulfur melting tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221287788U true CN221287788U (en) | 2024-07-09 |
Family
ID=91752638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323149261.3U Active CN221287788U (en) | 2023-11-21 | 2023-11-21 | Sulfur melting tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221287788U (en) |
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2023
- 2023-11-21 CN CN202323149261.3U patent/CN221287788U/en active Active
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