CN103803505A - Overheating sulfur steam production technology - Google Patents
Overheating sulfur steam production technology Download PDFInfo
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- CN103803505A CN103803505A CN201410089886.1A CN201410089886A CN103803505A CN 103803505 A CN103803505 A CN 103803505A CN 201410089886 A CN201410089886 A CN 201410089886A CN 103803505 A CN103803505 A CN 103803505A
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Abstract
The invention relates to the technical field of sulfur vaporization, and particularly discloses an overheating sulfur steam production technology, which comprises the steps of: by adopting segmentation heating vaporization, firstly, indirectly heating and melting solid sulfur in a sulfur melting tank, to obtain liquid sulfur, then enabling the liquid sulfur to sequentially flow through a liquid sulfur heater, a vaporizer and an overheater to perform countercurrent heat exchange with a hot flue gas, gradually heating, vaporizing to an overheating state, to obtain overheating sulfur steam. The overheating sulfur steam production technology is short in overheating sulfur steam preparation time, stable in sulfur steam vaporization rate, low in the requirement on the equipment materials, and capable of realizing the continuous industrial production, and the technology is high-efficiency, safe, environment-friendly and energy-saving.
Description
Technical field
The invention belongs to sulphur gasification technical field, particularly a kind of overheated sulfur vapor manufacturing process.
Background technology
Sulphur is a kind of conventional industrial raw material, and sulphur, except for sulfuric acid processed, also can be used for the industry such as rubber, papermaking, medicine, match, agricultural chemicals, SYNTHETIC OPTICAL WHITNER.Sulphur re-uses after industrial application usually needs to make overheated sulfur vapor, and ripe device is not also improved in the manufacture of current overheated sulfur vapor.The easy electric heating gasification device that more commonly insoluble sulfur industry adopts or the gasification installation of " boiled ability of swimming ".
Electric heating gasification device is to adopt resistance wire direct heating Molten sulphur, and this technique requires high for equipment material.Traced it to its cause two, one sulphur itself has extremely strong corrodibility; The direct contact part temperature of its two sulphur and resistance wire is far above other parts, and easier and equipment generation side reaction, forms deeply worried dirt, reduces heat transfer efficiency.So the overall gasification efficiency of the method is low, energy consumption is high.Again because resistive heater price is also comparatively expensive, further strengthen the production cost of the method simultaneously, made it to be difficult to be applied on a large scale sulphur gasification and produce.
The gasification installation of " boiled ability of swimming " is a kind of indirect heating still, uses the organic-fuels such as coal or Sweet natural gas to heat at the bottom of still, is conducted heat solid-state or liquid-state sulfur heating and gasifying wherein by the kettle of metallic substance.There is following problem in the method: gasification rate unstable equally, and equipment material requires high, and the life-span is short, easily stops up etc.Trace it to its cause: the gasification installation of " boiled ability of swimming " is that whole sulphur heating liquefaction in heating kettle is regasified, and whole heat-processed must be heated to whole sulphur gasification together, has the hysteresis quality of gasification rate; In the time that needs increase sulphur steam supply amount fast, sulphur gasification rate is difficult to reach fast target value, must wait for that heating kettle slowly heats; And when production work is continuous when need to reducing sulphur steam supply amount, directly reduce adding heat at the bottom of the still of heating kettle in sulphur gasification workshop, at this moment also need to wait for that the sulphur that has been heated to boiling in heating kettle is lowered the temperature gradually reduces sulphur amount of vaporization, make the coordination that reaches good of being difficult to of sulphur vapor volume that sulphur gasification rate and production plant need, increased the operation easier in sulphur gasification workshop.Meanwhile, again because heating kettle itself should carry the weight before sulphur gasification, be subject to again the high temperature action of fuel at the bottom of still simultaneously, do not solve generally the defect of electric heater unit, same side reaction easily occurs, produce deeply worried dirt, damage equipment.
There is not yet now the report of producing the method for overheated sulfur vapor about large-scale industrialization, need a kind of production technique of efficient overheated sulfur vapor badly.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, the overheated sulfur vapor manufacturing process that a kind of good stability, gasification efficiency are high, service life of equipment is long is provided.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of overheated sulfur vapor manufacturing process, adopt zone heating gasification technology, first obtain liquid-state sulfur at sulfur melting groove indirect heat fused solid sulfur, then making sulphur flow through is successively arranged in vapourizing furnace: molten sulfur well heater, gasifier and superheater, form countercurrent flow with the hot flue gas in vapourizing furnace, sulphur heats gradually, gasifies to superheat state, obtains overheated sulfur vapor.
First sulphur Integral melting is changed into liquid stream, be more further heated to gasification, extremely overheated.Avoided directly by solid sulfur heating liquefaction when gasifying at the bottom of sulphur and resistance wire/heating kettle high-temperature medium contact part local temperature too high, the entirety uneven defect of being heated.Described molten sulfur well heater, gasifier and superheater are arranged in vapourizing furnace, and sulphur flows from tube side, and hot flue gas is in molten sulfur well heater, gasifier and the heating of superheater shell side.Liquid-state sulfur is admitted to molten sulfur well heater, then flow through gasifier and superheater, point several and hot flue gas adverse current heat exchange.At the hot flue gas heat exchange of links sulphur and differing temps, guarantee that the temperature of entirety in sulphur heat-processed keeps stable.The most important thing is, in the time of the high sulphur steam supply of needs Quick amount, can increase the operational throughput of liquid sulfur pump, then strengthens hot flue gas flow, reaches the object of the high sulphur steam supply of Quick amount; In the time that needs reduce sulphur steam supply amount, directly reduce the flow of liquid sulfur pump and hot flue gas accordingly, can reduce fast the object of sulphur steam supply amount.Generally, reached the effect of quick adjustment sulphur steam supply amount.
Overheated sulfur vapor manufacturing process of the present invention specifically, comprises the following steps:
1, solid sulfur is heated to 120～150 ℃ in sulfur melting groove, obtains Molten sulphur;
2, the Molten sulphur in sulfur melting groove, through liquid sulfur pump feeding molten sulfur well heater, is carried out heat exchange with hot flue gas in vapourizing furnace and is obtained the heating molten sulfur of 300-400 ℃;
3, heating molten sulfur enters hot flue gas indirect heat exchange gasification in gasifier and vapourizing furnace, obtains the sulfur vapor of 450-500 ℃;
4, sulfur vapor enters hot flue gas indirect heat exchange in superheater and vapourizing furnace and obtains the overheated sulfur vapor of 600-700 ℃;
Described molten sulfur well heater, gasifier, superheater are arranged in vapourizing furnace, and in vapourizing furnace, hot flue gas and sulphur form countercurrent flow.Control liquid sulfur pump rate of pumping well, can stablize the velocity of flow of links sulphur, guarantee to enter again next link heating after sulphur reaches corresponding temperature, prevent that sulphur from occurring that at same stage the excessive temperature difference improves heating efficiency, has also effectively reduced the generation of side reaction and the corrosion of equipment.Due to links sulphur temperature-stable, then select different materials according to different temperature condition, improved greatly the stability of system; Secondly molten sulfur is in heating, gasification, the quick heat exchange of stage such as overheated, in heating installation the residence time shorter, improved thermal conversion rate, reduced the corrosion of sulfur vapor for equipment; So the inventive method is a kind of good stability, transformation efficiency is high, the manufacturing process of safety, efficient overheated sulfur vapor.
Owing to having controlled flow, temperature and the sulphur of each section and enter the opportunity in each stage, can make sulphur be admitted to immediately next link being heated to after completing that phase transformation (Gu → liquid → gas) transforms, finally guarantee that in the well heater of each link, sulphur is preheated with the high single form of trying one's best, prevent from forming multi phase region in identity element, and then guarantee that the corrosion that sulphur in overheated sulphur manufacture produces equipment minimizes, accomplish efficient, safety, environmental protection.
Further, in above-mentioned overheated sulfur vapor manufacturing process, solid sulfur is heated in sulfur melting groove is to use saturated steam indirect heat exchange.Described water vapour can be overheated steam.The inventive method branch adopts water vapour, hot flue gas and sulphur countercurrent flow, use different thermals source for the sulphur under differing temps, steam temperature is generally 100 ~ 200 ℃, is just being suitable for heat fused sulphur, and the temperature of fusing sulphur can be not too high, there is not side reaction.Secondly, the specific heat capacity of water vapour is very large, can effectively reduce the energy consumption of carrying thermal medium in pipeline.
In above-mentioned overheated sulfur vapor manufacturing process, solid sulfur is heated to 120-150 ℃, and what obtain is low-viscosity (mobile) liquid sulphur, and low-viscosity (mobile) liquid sulphur can be fed into molten sulfur well heater with liquid sulfur pump continous-stable; Low-viscosity (mobile) liquid sulphur is heated to form the low viscosity heating molten sulfur of 300-400 ℃ in molten sulfur well heater, and low viscosity heating molten sulfur can enter gasifier by continous-stable; Zone heating molten sulfur is effectively avoided high viscosity molten sulfur and is moved in pipeline, reduces systemic resistance, makes stable production process reliable.
In overheated sulfur vapor manufacturing process, Molten sulphur in heating, gasification, superheating process with hot flue gas adverse current indirect heat exchange, make full use of heat energy, thus save energy.
Further, in above-mentioned overheated sulfur vapor manufacturing process, hot flue gas is the hot flue gas of various fuel combustions formation or the waste heat tail gas of full scale plant.
Further, in above-mentioned overheated sulfur vapor manufacturing process, sulphur is in differing temps section, according to temperature and the corresponding material of corrosive property equipment choosing, can extension device work-ing life, save investment.
Further, in vapourizing furnace, the other Sweet natural gas shower nozzle that is provided with of the import of hot flue gas, ejection combustion of natural gas, boosting makes hot flue gas have higher heat energy.When the underfed of hot flue gas or temperature are inadequate time, open Sweet natural gas shower nozzle, gas-firing heats.Sweet natural gas burns in vapourizing furnace, and heat is all by hot smoke absorption, and utilization ratio is high, and is more prone to control the temperature of hot flue gas, guarantees that the overheated sulfur vapor that discharge in exit reaches target temperature value.Preferably, also set up an air nozzle, assist to spray air-breathing, more preferably set up oxygen jet, directly supplemental oxygen is fully burnt Sweet natural gas.
The present invention also provides a kind of device of above-mentioned technique for the manufacture of overheated sulfur vapor of implementing simultaneously.
Manufacture a device for overheated sulfur vapor, comprise sulfur melting groove, liquid sulfur pump, molten sulfur well heater, gasifier, superheater and vapourizing furnace; Described liquid sulfur pump is arranged in sulfur melting groove; Molten sulfur well heater, gasifier and superheater being arranged in vapourizing furnace from top to bottom; Liquid sulfur pump outlet is connected with molten sulfur well heater, and molten sulfur well heater is connected with gasifier, and gasifier is connected with superheater, and the outlet of superheater is arranged on outside vapourizing furnace; Vapourizing furnace bottom or side are provided with hot smoke inlet, and top of gasification furnace is provided with tail gas relief outlet.
When equipment operation, solid sulfur is heated liquefaction to 120-150 ℃ in sulfur melting groove, sulphur after liquefaction is sent in the molten sulfur well heater in vapourizing furnace and is heated to 300-400 ℃ by liquid sulfur pump, then flow into gasifier, in gasifier, gasification is 450-500 ℃ of sulfur vapor, then sulfur vapor enters into superheater, is heated and obtains the overheated sulfur vapor of 600-700 ℃.Hot flue gas enters after vapourizing furnace, upwards flow and form adverse current with sulphur, successively, with overheated sulfur vapor, sulfur vapor, liquid-state sulfur heat exchange, the heat of hot flue gas is fully exchanged in sulphur, discharges and discharges from top tail gas relief outlet finally by the hot flue tail gas of crossing abundant heat exchange.Present device is simple and practical, and use procedure is easily controlled, and usefulness is high.
Further, Sweet natural gas shower nozzle is set hot smoke inlet is other, by gas-firing, hot flue gas is heated, in the time that the temperature of hot flue gas or flow do not reach need of production, open Sweet natural gas shower nozzle, to hot flue gas heating.Preferably, establish an air or oxygen on Sweet natural gas shower nozzle side spouted, auxiliary combustion of natural gas.
compared with prior art, beneficial effect of the present invention: overheated sulfur vapor manufacturing process provided by the invention, adopt hot flue gas and sulphur countercurrent flow, hot flue gas heat utilization ratio can reach more than 70%, makes full use of in process of production heat energy, and gasification efficiency is high.Overheated sulfur vapor manufacturing process provided by the invention, produces overheated sulfur vapor step simple, and gasification produces the rate stabilization of overheated sulfur vapor, and overheated sulfur vapor temperature fluctuation is little, is suitable for the various requirement of suitability for industrialized production for sulfur vapor.Overheated sulfur vapor manufacturing process provided by the invention, equipment material is less demanding, and equipment for gasification can reach more than 1 year work-ing life, the sulphur equipment for gasification of other type that used the far super same period.
accompanying drawing explanation:
Fig. 1 is apparatus of the present invention system simplified schematic diagram.
Mark in figure: 1-solid sulfur, 2-sulfur melting groove, 3-liquid sulfur pump, 4-tail gas, 5-molten sulfur well heater, 6-gasifier, 7-superheater, the overheated sulfur vapor of 8-, 9-vapourizing furnace, the hot flue gas of 10-.
Embodiment
Below in conjunction with test example and embodiment, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on content of the present invention all belong to scope of the present invention.
Embodiment 1
In Fig. 1 shown device, solid sulfur 1 is molten into the Molten sulphur of 130 ± 10 ℃ with water vapour indirect heat exchange in sulfur melting groove 2; Molten sulphur feeds molten sulfur well heater 5 through liquid sulfur pump 3, and Molten sulphur is heated to form the heating molten sulfur of 330 ± 10 ℃ with the hot flue gas indirect heat exchange that the interior combustion of natural gas of vapourizing furnace 9 produces in molten sulfur well heater; Heating molten sulfur enters gasifier 6, heating molten sulfur in gasifier with vapourizing furnace in the hot flue gas indirect heat exchange gasification that produces of combustion of natural gas be the sulfur vapor of 480 ± 10 ℃; Sulfur vapor enters superheater 7, sulfur vapor in superheater with vapourizing furnace in combustion of natural gas produce hot flue gas indirect heat exchange be heated to form the overheated sulfur vapor 8 of 600-650 ℃, overheated sulfur vapor is delivered to the various device of air of using as product.The hot flue gas 10 that combustion of natural gas produces, forming tail gas 4 after three step heat exchange and discharge through overheated, gasification, heating in vapourizing furnace, forms adverse current with sulphur gasification, completes fully effectively heat exchange in counter-current process.
Embodiment 2
As shown in accompanying drawing 1 process flow sheet, solid sulfur is heated to 120～150 ℃ with saturated steam indirect heat exchange in sulfur melting groove, obtains Molten sulphur.Molten sulphur in sulfur melting groove, through liquid sulfur pump feeding molten sulfur well heater, is carried out indirect heat exchange with the hot flue gas of combustion of natural gas generation in vapourizing furnace and is obtained the heating molten sulfur of 350-400 ℃.Heating molten sulfur enters the hot flue gas indirect heat exchange gasification that in gasifier and vapourizing furnace, combustion of natural gas produces, and obtains the sulfur vapor of 450-500 ℃.Sulfur vapor enters the hot flue gas indirect heat exchange that in superheater and vapourizing furnace, combustion of natural gas produces and obtains the overheated sulfur vapor of 650-700 ℃.
Solid sulfur 1 is molten into Molten sulphur with water vapour indirect heat exchange in sulfur melting groove 2; Molten sulphur feeds molten sulfur well heater 5 through liquid sulfur pump 3, and Molten sulphur is heated to form heating molten sulfur with the hot flue gas indirect heat exchange that the interior combustion of natural gas of vapourizing furnace 9 produces in molten sulfur well heater; Heating molten sulfur enters gasifier 6, heating molten sulfur in gasifier with vapourizing furnace in the hot flue gas indirect heat exchange gasification that produces of combustion of natural gas be sulfur vapor; Sulfur vapor enters superheater 7, sulfur vapor in superheater with vapourizing furnace in the hot flue gas indirect heat exchange that produces of combustion of natural gas be heated to form overheated sulfur vapor 8, overheated sulfur vapor is delivered to various with device of air as product; The hot flue gas 10 that combustion of natural gas produces is forming tail gas 4 after three step heat exchange and discharge through overheated, gasification, heating in vapourizing furnace.
Embodiment 3
In accompanying drawing 1 process flow sheet, solid sulfur is heated to 120 ± 10 ℃ with saturated steam indirect heat exchange in sulfur melting groove, obtains Molten sulphur; Molten sulphur in sulfur melting groove, through liquid sulfur pump feeding molten sulfur well heater, is carried out indirect heat exchange with rotary kiln exhaust gas in vapourizing furnace and is obtained the heating molten sulfur of 300-350 ℃; Heating molten sulfur enters rotary kiln exhaust gas indirect heat exchange gasification in gasifier and vapourizing furnace, obtains the sulfur vapor of 450-500 ℃; Sulfur vapor enters rotary kiln exhaust gas indirect heat exchange in superheater and vapourizing furnace and obtains the overheated sulfur vapor of 600-650 ℃.
Solid sulfur 1 is molten into Molten sulphur with water vapour indirect heat exchange in sulfur melting groove 2; Molten sulphur feeds molten sulfur well heater 5 through liquid sulfur pump 3, and Molten sulphur is heated to form heating molten sulfur with vapourizing furnace 9 rotary kiln exhaust gas indirect heat exchanges in molten sulfur well heater; Heating molten sulfur enters gasifier 6, heating molten sulfur in gasifier with vapourizing furnace in rotary kiln exhaust gas indirect heat exchange gasification be sulfur vapor; Sulfur vapor enters superheater 7, sulfur vapor in superheater with vapourizing furnace in rotary kiln exhaust gas indirect heat exchange be heated to form overheated sulfur vapor 8, overheated sulfur vapor is delivered to various with device of air as product; Rotary kiln exhaust gas 10 is forming tail gas 4 after three step heat exchange and discharge through overheated, gasification, heating in vapourizing furnace.
Embodiment 4
In accompanying drawing 1 process flow sheet, solid sulfur is heated to 150 ± 5 ℃ with saturated steam indirect heat exchange in sulfur melting groove, obtains Molten sulphur; Molten sulphur in sulfur melting groove, through liquid sulfur pump feeding molten sulfur well heater, is carried out indirect heat exchange with rotary kiln exhaust gas in vapourizing furnace and is obtained the heating molten sulfur of 350-400 ℃; Heating molten sulfur enters rotary kiln exhaust gas indirect heat exchange gasification in gasifier and vapourizing furnace, obtains the sulfur vapor of 450-500 ℃; Sulfur vapor enters rotary kiln exhaust gas indirect heat exchange in superheater and vapourizing furnace and obtains the overheated sulfur vapor of 650-700 ℃.
Solid sulfur 1 is molten into Molten sulphur with water vapour indirect heat exchange in sulfur melting groove 2; Molten sulphur feeds molten sulfur well heater 5 through liquid sulfur pump 3, and Molten sulphur is heated to form heating molten sulfur with the interior rotary kiln exhaust gas indirect heat exchange of vapourizing furnace 9 in molten sulfur well heater; Heating molten sulfur enters gasifier 6, and heating molten sulfur is sulfur vapor with the gasification of rotary kiln exhaust gas indirect heat exchange in gasifier; Sulfur vapor enters superheater 7, sulfur vapor in superheater with vapourizing furnace in rotary kiln exhaust gas indirect heat exchange be heated to form overheated sulfur vapor 8, overheated sulfur vapor is delivered to various with device of air as product; Hot flue gas 10 is forming tail gas 4 after three step heat exchange and discharge through overheated, gasification, heating in vapourizing furnace.
Comparative example 1
Adopt easy electric heating gasification device to produce sulphur steam, the structure of device is that a sulfur melting groove is connecting an autoclave well heater with resistive heater, and heat exchange mode is the gas sulphur direct heating of resistance wire to molten sulfur and after gasifying.To be solid sulfur send in autoclave well heater heat-processed after sulfur melting groove melts, the molten sulfur gasification that directly heats up under the electrically heated of resistance wire, and the sulphur that then resistance wire continues gasifying heats up.This gasification installation consumes electric energy, and energy consumption cost is hot flue gas more than 6 times, and gasification gained sulfur vapor temperature is at 500 ℃ ~ 550 ℃.Resistance wire is with high costs.
Comparative example 2
Adopt the gasification installation of " boiled ability of swimming " to produce sulphur steam, the structure of device is a simple autoclave well heater, and bottom is hot flue gas direct heating.Heat-processed is that fuel combustion after heat flue gas directly carries out heat exchange to the solid sulfur in heating kettle, and liquefaction, gasification and the intensification of sulphur are all carried out in still.The hot flue gas utilization rate of this gasification installation less than 30%, gasification gained sulfur vapor temperature is low, not higher than 500 ℃.Heating kettle seriously corroded, service life of equipment less than 30 days.
Claims (6)
1. one kind overheated sulfur vapor manufacturing process, the gasification of employing zone heating, first obtain liquid-state sulfur at sulfur melting groove indirect heat fused solid sulfur, then make the sulphur after liquefaction flow through successively and be arranged in vapourizing furnace: molten sulfur well heater, gasifier and superheater, form countercurrent flow with the hot flue gas in vapourizing furnace, sulphur heats gradually, gasifies to superheat state, obtains overheated sulfur vapor.
2. overheated sulfur vapor manufacturing process as claimed in claim 1, is characterized in that, comprises the following steps:
1) solid sulfur is heated to 120～150 ℃ in sulfur melting groove, obtains Molten sulphur;
2) Molten sulphur in sulfur melting groove, through liquid sulfur pump feeding molten sulfur well heater, is carried out heat exchange with hot flue gas in vapourizing furnace and is obtained the heating molten sulfur of 300-400 ℃;
3) heating molten sulfur enters hot flue gas indirect heat exchange gasification in gasifier and vapourizing furnace, obtains the sulfur vapor of 450-500 ℃;
4) sulfur vapor enters hot flue gas indirect heat exchange in superheater and vapourizing furnace and obtains the overheated sulfur vapor of 600-700 ℃.
3. overheated sulfur vapor manufacturing process as claimed in claim 1 or 2, is characterized in that, solid sulfur is heated in sulfur melting groove is to use saturated steam indirect heat exchange.
4. overheated sulfur vapor manufacturing process as claimed in claim 1 or 2, is characterized in that, hot flue gas is the hot flue gas that forms of various fuel combustions or the waste heat tail gas of full scale plant.
5. overheated sulfur vapor manufacturing process as claimed in claim 1 or 2, is characterized in that, Molten sulphur in heating, gasification, superheating process with hot flue gas adverse current heat exchange.
6. overheated sulfur vapor manufacturing process as claimed in claim 2, is characterized in that, in vapourizing furnace, and the other Sweet natural gas shower nozzle that is provided with of the import of hot flue gas.
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| CN201410089886.1A CN103803505A (en) | 2014-03-12 | 2014-03-12 | Overheating sulfur steam production technology |
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| CN201410089886.1A CN103803505A (en) | 2014-03-12 | 2014-03-12 | Overheating sulfur steam production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744707A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | One kind prepares insoluble sulfur process unit |
| CN106744708A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | A kind of application method for preparing insoluble sulfur process unit |
| CN106829874A (en) * | 2017-03-06 | 2017-06-13 | 杨松 | A kind of volatile organic compound from waste gas hypersober produces the application method of bonding agent operation device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2670277A (en) * | 1948-06-12 | 1954-02-23 | Prod Chim De Clamecy Soc D | Method and apparatus for the continuous production of carbon disulphide |
| CN102491283A (en) * | 2011-09-30 | 2012-06-13 | 洁星环保科技投资（上海）有限公司 | Production equipment and production process for insoluble sulphur |
-
2014
- 2014-03-12 CN CN201410089886.1A patent/CN103803505A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2670277A (en) * | 1948-06-12 | 1954-02-23 | Prod Chim De Clamecy Soc D | Method and apparatus for the continuous production of carbon disulphide |
| CN102491283A (en) * | 2011-09-30 | 2012-06-13 | 洁星环保科技投资（上海）有限公司 | Production equipment and production process for insoluble sulphur |
Non-Patent Citations (1)
| Title |
|---|
| 黄家玉等: "《人造纤维工厂装备》", 30 June 1993, 青岛海洋大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744707A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | One kind prepares insoluble sulfur process unit |
| CN106744708A (en) * | 2017-03-06 | 2017-05-31 | 杨松 | A kind of application method for preparing insoluble sulfur process unit |
| CN106829874A (en) * | 2017-03-06 | 2017-06-13 | 杨松 | A kind of volatile organic compound from waste gas hypersober produces the application method of bonding agent operation device |
| CN106744708B (en) * | 2017-03-06 | 2018-10-12 | 杨松 | A kind of application method preparing insoluble sulfur process unit |
| CN106744707B (en) * | 2017-03-06 | 2018-10-12 | 杨松 | It is a kind of to prepare insoluble sulfur process unit |
| CN106829874B (en) * | 2017-03-06 | 2018-12-21 | 杨松 | A kind of volatile organic compound from waste gas hypersober produces the application method of bonding agent process device |
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Application publication date: 20140521 |