CN104192814A - Circulation production system of poly-sulfur - Google Patents
Circulation production system of poly-sulfur Download PDFInfo
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- CN104192814A CN104192814A CN201410423616.XA CN201410423616A CN104192814A CN 104192814 A CN104192814 A CN 104192814A CN 201410423616 A CN201410423616 A CN 201410423616A CN 104192814 A CN104192814 A CN 104192814A
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- sulphur
- dithiocarbonic anhydride
- elemental sulfur
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Abstract
The invention relates to a circulation production system of poly-sulfur. The circulation production system comprises a forming device, a drying chamber, a washing tower, a spraying tower and a carbon disulfide cooling chamber, wherein the forming device is used for preparing elemental sulfur into a strip-shaped structure and used for feeding the strip-shaped structure into the drying chamber for drying; the dried strip-shaped sulfur is washed with carbon disulfide inside the washing tower so as to obtain poly-sulfur; the washed carbon disulfide is fed into the spraying tower for removing the elemental sulfur; the elemental sulfur is fed back to the forming device; and gas carbon disulfide in which the elemental sulfur is removed is fed into the carbon disulfide cooling chamber, is cooled to be in a liquid state, and subsequently is fed back to the washing tower. According to the circulation production system, the forming device is adopted to prepare the sulfur strips containing elemental sulfur and poly-sulfur, the carbon disulfide is extracted and purified inside the washing tower, the carbon disulfide can be separated from the elemental sulfur in the extracted carbon disulfide liquid which contains the elemental sulfur, and the two separated substances can be recycled for production, so that the production efficiency is improved.
Description
Technical field
The present invention relates to the equipment for purifying that chemical field is used, specifically a kind of circulating production system of polymerised sulphur.
Background technology
Polymerised sulphur is insoluble sulfur namely, molecular formula: Su is a kind of nontoxic, flammable yellow powder, gains the name because it is insoluble to dithiocarbonic anhydride.It makes through common sulphur thermopolymerization, and the number of sulfur atoms on molecular chain, up to more than 108, has visco-elasticity and the molecular weight distribution of superpolymer, therefore also claims plastic sulfur or polymerised sulphur to belong to inorganic polymer industrial chemicals.
Polymerised sulphur has following advantage:
1) it exists with dispersion state in rubber, makes sizing material no blooming, has good viscosity, can ensure the visual appearance of light goods simultaneously;
2) it is dispersed in sizing material, effectively resists the gathering of sulphur, and minimizing sizing material is deposited the incipient scorch tendency of process;
3) can make sizing material no blooming within staging life, keep sizing material component performance homogeneous, prevent the pollution to goods and mould, and removed the painting sizing process increasing for overcoming bloom, movingization of Congress of Industrial Organizations of making a living provides condition;
4) make rubber non-migratory phenomenon in adjacent glue-line, particularly in the sizing material of cis-butadiene cement and butyl rubber, and common sulphur travelling speed is very high, after insoluble sulfur, can avoid;
5) shortened the time of vulcanizing, when reaching after curing temperature, it has one " activation stage ", i.e. chain type unzipping is accelerated vulcanization rate, reduces sulfur consumption, is conducive to the improvement of goods aging resistance.
In prior art, the production method of polymerised sulphur is all generally to adopt elemental sulfur (solfatara) to be prepared under certain condition, is then ground into powder so that it possesses after larger specific surface area repeatedly extracts and obtain with dithiocarbonic anhydride.
Summary of the invention
The object of this invention is to provide a kind of polymerised sulphur circulating production system being different from upper type, preparation polymerised sulphur that can be rapidly and efficiently by native system, and also in producing, part material used can be cycled to repeat utilization, has greatly improved production efficiency.
The present invention solves the problems of the technologies described above the technical scheme of employing to be: a kind of circulating production system of polymerised sulphur, comprise shaped device, drying shed, washing tower, spray column and dithiocarbonic anhydride cooling room, wherein, shaped device is prepared into elemental sulfur after list structure and is sent in drying shed and dries, strip sulphur after oven dry obtain polymerised sulphur with dithiocarbonic anhydride washing in washing tower, dithiocarbonic anhydride after washing enters goes out the elemental sulfur wherein containing in spray column, elemental sulfur returns to shaped device, removing gaseous state dithiocarbonic anhydride after elemental sulfur enters after dithiocarbonic anhydride cooling room is cooled to liquid state and returns to washing tower.
Described shaped device comprises the process furnace that elemental sulfur is melted by electric-heating-wire-heating, the shunting curing mechanism being connected with process furnace, support the support of shunting curing mechanism and be positioned at shunting curing mechanism below and the inner chilling pond that supercooled water is housed, top in described shunting curing mechanism is provided with sulphur and converges chamber, the bottom that sulphur converges chamber is provided with plastotype chamber, plastotype is indoor is provided with some the sulphur passages that from top to bottom run through plastotype chamber, each sulphur passage is the tortuous passageway of the end to end formation of several S shape curved channels, and the upper end of every sulphur passage is all connected with the sulphur chamber of converging.
Described plastotype chamber is hollow structure, and the sulphur passage in it is wrapped up by hot water.
Described drying shed is the greenhouse being heated by steam-pipe, is provided with dry dolly in it, be provided with the drying rack for placing strip sulphur, and drying rack is multilayered structure on dry dolly.
Described washing tower comprises the tower body of inner hollow, on the sidewall of tower body, has material import and export, is provided with the drawer type material frame of multilayered structure in material import and export, and every one deck drawer type material frame is reticulated structure; The top of tower body is provided with dithiocarbonic anhydride shower, and the bottom of tower body is provided with the dithiocarbonic anhydride fairlead of deriving dithiocarbonic anhydride solution.
Described spray column comprises that bottom is equipped with the housing of hot water, the top of housing is provided with the shower nozzle of spray dithiocarbonic anhydride solution, bottom is provided with the water port with filter screen, and upper and lower is also respectively equipped with dithiocarbonic anhydride vent pipe for deriving gaseous state dithiocarbonic anhydride and the steam input pipe for heat hot water.
Beneficial effect: the present invention prepares the sulphur bar that contains elemental sulfur and polymerised sulphur by shaped device then carries out purification by liquid extraction in washing tower with dithiocarbonic anhydride, be compared to Powdered extraction, has improved the efficiency of extraction, has saved extraction time; Meanwhile, the sulphur bar of preparation is first placed in drying shed, makes it possess the sufficient reaction times, further improves the content of polymerised sulphur in sulphur bar, thereby has improved the productive rate of polymerised sulphur; After the stripped dithiocarbonic anhydride solution that contains elemental sulfur passes into and adopts the mode of spray to join in hot water in spray column in washing tower, can separate fast dithiocarbonic anhydride and elemental sulfur, the elemental sulfur of separating participates in producing as raw material again, and carbon disulfide gas is condensed into liquid state and passes in washing tower and again to participate in producing after dithiocarbonic anhydride cooling room, thereby improve production efficiency.
Brief description of the drawings
Fig. 1 is general diagram of the present invention;
Fig. 2 is the structural representation of shaped device;
Fig. 3 is the structural representation of drying shed;
The structural representation of Fig. 4 washing tower, spray column and dithiocarbonic anhydride cooling room;
Reference numeral: 1, shaped device, 101, process furnace, 102, nichrome wire, 103, shunting curing mechanism, 1031, sulphur converges chamber, 1032, sulphur passage, 1033, plastotype chamber, 104, chilling pond, 105, supercooled water, 2, drying shed, 201, greenhouse, 202, steam-pipe, 203, drying rack, 204, dry dolly, 3, washing tower, 301, tower body, 302, drawer type material frame, 303, dithiocarbonic anhydride shower, 304, dithiocarbonic anhydride fairlead, 4, spray column, 401, housing, 402, shower nozzle, 403, water port, 404, steam input pipe, 405, hot water, 406, dithiocarbonic anhydride vent pipe, 5, dithiocarbonic anhydride cooling room.
Embodiment
Below in conjunction with specific embodiment, the present invention is further elaborated.
As shown in the figure, a kind of circulating production system of polymerised sulphur, comprise shaped device 1, drying shed 2, washing tower 3, spray column 4 and dithiocarbonic anhydride cooling room 5, wherein, shaped device 1 is sent to the interior oven dry of drying shed 2 after elemental sulfur is prepared into list structure, strip sulphur after oven dry obtain polymerised sulphur with dithiocarbonic anhydride washing washing tower 3 is interior, dithiocarbonic anhydride after washing enters goes out the elemental sulfur wherein containing in spray column 3, elemental sulfur returns to shaped device 1, removing gaseous state dithiocarbonic anhydride after elemental sulfur enters after dithiocarbonic anhydride cooling room 5 is cooled to liquid state and returns to washing tower 3,
Described shaped device 1 comprises by nichrome wire 102 heating makes process furnace 101, the shunting curing mechanism 103 being connected with process furnace 101, support that elemental sulfur melts shunt the support 106 of curing mechanism 103 and be positioned at shunting curing mechanism 103 belows and the inner chilling pond 104 that supercooled water 105 is housed, in chilling pond 104, be provided with travelling belt, for sulphur bar is sent out; Top in described shunting curing mechanism 3 is provided with sulphur and converges chamber 1031, the bottom that sulphur converges chamber 1031 is provided with plastotype chamber 1033, in plastotype chamber 1033, be provided with some the sulphur path 10s 32 that from top to bottom run through plastotype chamber 1033, each sulphur path 10 32 is the tortuous passageway of the end to end formation of several S shape curved channels, and the upper end of every sulphur path 10 32 is all converged chamber 1031 with sulphur and is connected;
Described plastotype chamber 1033 is hollow structure, and the sulphur path 10 32 in it is wrapped up by hot water, can hot water outlet and hot water inlet be set respectively in the upper and lower of plastotype chamber 1033;
The greenhouse 201 of described drying shed 2 for being heated by steam-pipe 202, in it, be provided with dry dolly 204, on dry dolly 204, be provided with the drying rack 203 for placing strip sulphur, and drying rack 203 is multilayered structure, the sulphur bar sending out from chilling pond 104 is placed on drying rack 203 and sends into the interior at least 4-5h that leaves standstill of drying shed 2;
Sulphur bar after oven dry enters into out and in washing tower 3, washs purification in drying shed 2: described washing tower 3 comprises the tower body 301 of inner hollow, on the sidewall of tower body 301, have material import and export, in material import and export, be provided with the drawer type material frame 302 of multilayered structure, every one deck drawer type material frame 302 is reticulated structure, and the sulphur bar of oven dry evenly paves on reticulated structure; The top of tower body 301 is provided with dithiocarbonic anhydride shower 303, and the bottom of tower body 301 is provided with the dithiocarbonic anhydride fairlead 304 of deriving dithiocarbonic anhydride solution; The dithiocarbonic anhydride solvent spraying from dithiocarbonic anhydride shower 303 covers the sulphur bar drawer type material frame 302, because the elemental sulfur in sulphur bar is dissolved in dithiocarbonic anhydride, polymerised sulphur is insoluble to dithiocarbonic anhydride, therefore, dithiocarbonic anhydride solvent is taken away the elemental sulfur in sulphur bar, and is discharged to and in spray column 4, carries out separating of elemental sulfur and dithiocarbonic anhydride solvent from dithiocarbonic anhydride fairlead 304; The remaining polymerised sulphur that is on drawer type material frame 302;
Described spray column 4 comprises that bottom is equipped with the housing 401 of hot water 405, the top of housing 401 is provided with the shower nozzle 402 of spray dithiocarbonic anhydride solution, the dithiocarbonic anhydride solution of discharging from the dithiocarbonic anhydride fairlead 304 of washing tower 3 is sprayed onto in hot water 405 by shower nozzle 402, hot water is generally 70-75 DEG C, dithiocarbonic anhydride solvent is vaporized from the dithiocarbonic anhydride vent pipe 406 on top and is discharged in dithiocarbonic anhydride cooling room 5, after liquefaction, again driving it to enter into the interior participation of washing tower 3 by pump circulates, the elemental sulfur that dithiocarbonic anhydride solvent contains is solidificated in hot water 405, and the water port with filter screen 403 being provided with from spray column 4 bottoms is discharged, elemental sulfur is filtered post-drying and again participates in reaction as raw material, in order to ensure the temperature of hot water, be provided with the steam input pipe 404 for heat hot water 405 in bottom.
Claims (6)
1. the circulating production system of a polymerised sulphur, it is characterized in that: comprise shaped device (1), drying shed (2), washing tower (3), spray column (4) and dithiocarbonic anhydride cooling room (5), wherein, shaped device (1) is sent to oven dry in drying shed (2) after elemental sulfur is prepared into list structure, strip sulphur after oven dry obtain polymerised sulphur with dithiocarbonic anhydride washing in washing tower (3), dithiocarbonic anhydride after washing enters goes out the elemental sulfur wherein containing in spray column (3), elemental sulfur returns to shaped device (1), removing gaseous state dithiocarbonic anhydride after elemental sulfur enters after dithiocarbonic anhydride cooling room (5) is cooled to liquid state and returns to washing tower (3).
2. the circulating production system of a kind of polymerised sulphur according to claim 1, it is characterized in that: described shaped device (1) comprises the process furnace (101) that elemental sulfur is melted by nichrome wire (102) heating, the shunting curing mechanism (103) being connected with process furnace (101), support the support (106) of shunting curing mechanism (103) and be positioned at below shunting curing mechanism (103) and chilling pond (104) that supercooled water (105) is equipped with in inside, top in described shunting curing mechanism (3) is provided with sulphur and converges chamber (1031), the bottom that sulphur converges chamber (1031) is provided with plastotype chamber (1033), in plastotype chamber (1033), be provided with some the sulphur passages (1032) that from top to bottom run through plastotype chamber (1033), each sulphur passage (1032) is the tortuous passageway of the end to end formation of several S shape curved channels, and the upper end of every sulphur passage (1032) is all converged chamber (1031) with sulphur and is connected.
3. the circulating production system of a kind of polymerised sulphur according to claim 2, is characterized in that: described plastotype chamber (1033) is hollow structure, and the sulphur passage (1032) in it is wrapped up by hot water.
4. the circulating production system of a kind of polymerised sulphur according to claim 1, it is characterized in that: described drying shed (2) is the greenhouse (201) by steam-pipe (202) heating, in it, be provided with dry dolly (204), on dry dolly (204), be provided with the drying rack (203) for placing strip sulphur, and drying rack (203) is multilayered structure.
5. the circulating production system of a kind of polymerised sulphur according to claim 1, it is characterized in that: described washing tower (3) comprises the tower body (301) of inner hollow, on the sidewall of tower body (301), have material import and export, the drawer type material frame (302) that is provided with multilayered structure in material import and export, every one deck drawer type material frame (302) is reticulated structure; The top of tower body (301) is provided with dithiocarbonic anhydride shower (303), and the bottom of tower body (301) is provided with the dithiocarbonic anhydride fairlead (304) of deriving dithiocarbonic anhydride solution.
6. the circulating production system of a kind of polymerised sulphur according to claim 1, it is characterized in that: described spray column (4) comprises that bottom is equipped with the housing of hot water (405) (401), the top of housing (401) is provided with the shower nozzle (402) of spray dithiocarbonic anhydride solution, bottom is provided with the water port (403) with filter screen, and upper and lower is also respectively equipped with dithiocarbonic anhydride vent pipe (406) for deriving gaseous state dithiocarbonic anhydride and the steam input pipe (404) for heat hot water (405).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423616.XA CN104192814A (en) | 2014-08-26 | 2014-08-26 | Circulation production system of poly-sulfur |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410423616.XA CN104192814A (en) | 2014-08-26 | 2014-08-26 | Circulation production system of poly-sulfur |
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| CN104192814A true CN104192814A (en) | 2014-12-10 |
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| CN201410423616.XA Pending CN104192814A (en) | 2014-08-26 | 2014-08-26 | Circulation production system of poly-sulfur |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460935A (en) * | 2015-06-03 | 2016-04-06 | 无锡华盛橡胶新材料科技股份有限公司 | Full cycle production method for producing carbon disulfide from insoluble sulfur |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB646916A (en) * | 1947-02-14 | 1950-11-29 | Stauffer Chemical Co | Improvements in or relating to sulphur |
| CN1304869A (en) * | 2001-01-19 | 2001-07-25 | 王亚池 | Process for preparing insoluble absolute sulfur by fusion method |
| CN1986388A (en) * | 2005-12-22 | 2007-06-27 | 南化集团研究院 | Medium grade insoluble sulphur preparing process and producing apparatus |
| CN201284232Y (en) * | 2008-09-13 | 2009-08-05 | 梁信嘉 | Apparatus for directly and continuously producing insoluble sulfur |
| CN102424364A (en) * | 2011-09-16 | 2012-04-25 | 无锡华盛橡胶新材料科技股份有限公司 | Continuous evaporating tower for recovery of insoluble sulphur solvent |
| CN204162417U (en) * | 2014-08-26 | 2015-02-18 | 偃师市宝隆化工有限公司 | A kind of circulating production system of polymerised sulphur |
-
2014
- 2014-08-26 CN CN201410423616.XA patent/CN104192814A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB646916A (en) * | 1947-02-14 | 1950-11-29 | Stauffer Chemical Co | Improvements in or relating to sulphur |
| CN1304869A (en) * | 2001-01-19 | 2001-07-25 | 王亚池 | Process for preparing insoluble absolute sulfur by fusion method |
| CN1986388A (en) * | 2005-12-22 | 2007-06-27 | 南化集团研究院 | Medium grade insoluble sulphur preparing process and producing apparatus |
| CN201284232Y (en) * | 2008-09-13 | 2009-08-05 | 梁信嘉 | Apparatus for directly and continuously producing insoluble sulfur |
| CN102424364A (en) * | 2011-09-16 | 2012-04-25 | 无锡华盛橡胶新材料科技股份有限公司 | Continuous evaporating tower for recovery of insoluble sulphur solvent |
| CN204162417U (en) * | 2014-08-26 | 2015-02-18 | 偃师市宝隆化工有限公司 | A kind of circulating production system of polymerised sulphur |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105460935A (en) * | 2015-06-03 | 2016-04-06 | 无锡华盛橡胶新材料科技股份有限公司 | Full cycle production method for producing carbon disulfide from insoluble sulfur |
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