CN102267688A - Method and device for producing molten sulfur from sulfur foam - Google Patents
Method and device for producing molten sulfur from sulfur foam Download PDFInfo
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- CN102267688A CN102267688A CN2010101927115A CN201010192711A CN102267688A CN 102267688 A CN102267688 A CN 102267688A CN 2010101927115 A CN2010101927115 A CN 2010101927115A CN 201010192711 A CN201010192711 A CN 201010192711A CN 102267688 A CN102267688 A CN 102267688A
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Abstract
The invention provides a method and device for producing molten sulfur from sulfur foam. The method comprises steps as follows: sulfur foam is sent to a molten sulfur device by a delivery pump, preheated by an upper heat exchange section, and enters a middle settling section to be settled and separated to obtain desulphurized solution and concentrated sulfur paste; and the high-temperature desulphurized solution moves upward, exchanges heat to be cooled and returns to the desulphurization system, and the separated concentrated sulfur paste is heated to form molten sulfur, and molten sulfur is discharged. The device is composed of a delivery pump and a molten sulfur device, wherein the molten sulfur device contains an upper heat exchange section and a lower heating section; a settling separation section is arranged between the two sections; and the molten sulfur device is provided with a desulphurized solution output pipe and a heating medium pipe, and a sulfur-releasing valve is arranged at the bottom of the heating section. The molten sulfur process device has the advantages of low average operating temperature, low energy consumption and long device service life, and thus, the desulphurization cost can be reduced; and since the heat exchange area is relatively smaller, the engineering construction investment can also be reduced.
Description
Technical field
The invention belongs to the desulfurization technology field, specifically, relate to a kind of sulphur foam, isolate a kind of processing method and the device of molten sulfur through steam or thermal oil indirect heating generating after the fluid desulfurization that contains sulfide.
Background technology
At present, make the raw material production molten sulfur with the sulphur foam that generates in the sweetening process various working methods are arranged.Comparatively advanced, representative processing unit (plant) is as follows:
The patent No. of Anshan Iron ﹠. Steel Group Corp's application is ZL 97114485.0, the patent of invention of " producing the method and apparatus of molten sulfur by sulfur-bearing solution " by name, sulphur foam from desulphurization system is heated up by the heat exchanger heat exchange earlier again after the extremely molten sulphur temperature of another heat exchanger heats through the mode of pumping with forced convection, the liquid molten sulphur that density is big arrives storage sulphur section by gravity settling, and isolated doctor solution effluxes after heat exchanger heat exchange cooling.This technology has realized operate continuously, improved molten sulphur efficiency, but in production practice, also there is following point: because the heat exchanging segment service temperature adjacent with heating zone is higher, cause it to efflux the clear liquid temperature drift, the corrosion-resistant time limit of heat exchanging segment is short partially, and its heat interchanging area is bigger, causes weight of equipment bigger than normal, and cost is higher.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of production operation temperature that reduces is provided, reduce molten sulphur energy consumption, improve the method and apparatus by sulphur foam production molten sulfur of duration of service.
The present invention is achieved in that by the method for sulphur foam production molten sulfur the sulphur foam from the desulfurization system is sent into molten sulphur device by transferpump, behind the heat exchanging segment pre-heating temperature elevation on top, settlement separate section of entering the middle part is settlement separate for doctor solution and concentrated sulphur cream, isolated high temperature desulfurizing liquid is upwards further settlement separate through guide shell, after entering heat exchanging segment heat exchange cooling as hot-fluid, return desulphurization system from the output channel on heat exchanging segment top, isolated concentrated sulphur cream is controlled discharge after the heating zone of bottom adds the thermosetting molten sulfur.
The method of production molten sulfur of the present invention should be controlled the flow that effluxes doctor solution by the variable valve on the doctor solution output channel according to pressure detecting signal, with the pressure in the stable molten sulphur device; Control the heat supplied of lower heating section by the heating medium variable valve according to temperature detection signal.
The present invention is by the used equipment of method of sulphur foam production molten sulfur, formed by sulphur foam delivery pump that is connected by pipeline and molten sulphur device, be characterized in that described molten sulphur device comprises the heat exchanging segment on top and the heating zone of bottom, be provided with settlement separate section up and down between the two, be provided with the doctor solution output channel at heat exchanging segment, be provided with the heating medium pipeline in heating zone, be equipped with sulfur discharging valve in the heating zone bottom.
The present invention is not less than the internal diameter of molten sulphur device by the described settlement separate section useful length of equipment of sulphur foam production molten sulfur; On described settlement separate section top, promptly the below of heat exchanging segment is provided with the guide shell that a diameter is slightly smaller than molten sulphur device internal diameter; On described molten sulphur device, pressure detecting element is installed, on described doctor solution output channel, is installed on variable valve; On described molten sulphur device, detector unit is installed, on described heating medium pipeline, is installed on variable valve.
Compared with prior art, the present invention isolates a spot of high temperature desulfurizing liquid in molten sulphur process in by molten sulphur device lower heating section, at first in settlement separate section of the molten sulphur device of the present invention middle part, upwards enter again after the heat exchange of the storeroom of natural convection molten sulphur device top heat exchanging segment, after the heat exchange cooling, efflux again.Thereby reduced the operation medial temperature in the molten sulphur device, reduced molten sulphur energy consumption, improved duration of service, reduced desulphurization cost.Simultaneously, because heat interchanging area is less relatively, also can reduce engineering construction investment.
Description of drawings
Accompanying drawing 1 is the structural representation of present device.
1 is sulphur foam inlet among the figure, and 2 is heat exchanging segment, and 3 is guide shell, 4 is circumferential weld, and 5 is settlement separate section, and 6 is the spiral plate type heating zone, 7 is sulfur discharging valve, 8 is detector unit, and 9 is the quantity of steam variable valve, and 10 is the doctor solution output channel, 11 is pressure detecting element, 12 is the doctor solution variable valve, and 13 is transferpump, and 14 is trap.
Embodiment
The invention will be further described by embodiment below in conjunction with accompanying drawing.
As shown in drawings, enter molten sulphur device by transferpump 13 from the sulphur foam inlet 1 of molten sulphur device heat exchanging segment 2 from the sulphur foam of desulphurization system, heat exchanging segment 2 is that major parts is formed by spiral heat exchanger or tubular heat exchanger.The embodiment of the invention also is that the heat exchanging segment 2 in the accompanying drawing adopts spiral heat exchanger.The sulphur foam that enters heat exchanging segment 2 is with the cold fluid runner of forced convection mode by its heat exchanger, with after be arranged on guide shell 3 peripheries of heat exchanging segment 2 belows and the circumferential weld 4 between the molten sulphur crust of the device body, enters settlement separate section 5.Experience the Lower Half that the pre-thermal agitation of heat exchanging segment 2 and the sulphur foam by circumferential weld 4 flow to settlement separate section 5 and just entered settlement separate process.The concentrated sulphur cream that progressively forms through gravity settling is deposited on settlement separate section 5 bottom, and continues to drop to the heating zone 6 of the molten sulphur device bottom that is connected under settlement separate section 5.Heating zone 6 is that major parts is formed by spiral heat exchanger or tubular heat exchanger.The embodiment of the invention also is that the heating zone 6 in the accompanying drawing adopts tubular heat exchanger.When heating zone 6 adopts tubular heat exchangers, fall to the concentrated sulphur cream that the tubular heat exchanger of vertical placement is open upwards by settlement separate section 5 bottom and be heated to the sulphur fusion as cold fluid flow road tube side.Settlement separate section 5 useful length between the heating zone 6 of heat exchanging segment 2 that melts sulphur device top and bottom should not be less than the internal diameter of molten sulphur device.Feed heating steam or heat conduction wet goods heating medium in the hot-fluid runner of the heat exchanger of heating zone 6.The shell side of the tubular heat exchanger of the heating zone 6 of the embodiment of the invention adopts steam heating.Steam condensate effluxes from trap 14.Molten sulfur is through sulfur discharging valve 7 control dischargings.The pack of weighing after the liquid sulfur that effluxes is solidified, cooled off is put in storage.Measure should be taked to be incubated accordingly according to the characteristics of different sites such as its heat exchange, settlement separate, heating in the outside of molten sulphur device of the present invention.Detector unit 8 can be arranged on the joint portion between settlement separate section 5 and the heating zone 6, and controls the heat supplied that enters heating zone 6 by the aperture of heating medium variable valve 9.Also can set up some mercurythermometer measurement point again on settlement separate section 5 top.Isolated high temperature desulfurizing liquid upwards enters the hot-fluid runner of heat exchanging segment 2 through guide shell 3, and with as after the indirect countercurrent flow cooling of the sulphur foam of cold fluid, discharge and return again desulphurization system from the doctor solution output channel 10 on heat exchanging segment 2 tops.It is further settlement separate that bigger cross section of fluid channel helps the molten sulfur of the solid phase that is mingled with in the high temperature desulfurizing liquid or liquid phase in the guide shell 3.Near settlement separate section or its, be provided with pressure detecting element 11, and control the aperture of the doctor solution variable valve 12 on the doctor solution output channel 10, to regulate and control to melt the internal pressure of sulphur device according to the output signal of its detected pressure height.
Claims (8)
1. method by sulphur foam production molten sulfur, it is characterized in that and to send into molten sulphur device from the sulphur foam of desulfurization system by transferpump, behind the heat exchanging segment pre-heating temperature elevation on top, settlement separate section of entering the middle part is settlement separate for doctor solution and concentrated sulphur cream, isolated high temperature desulfurizing liquid is upwards further settlement separate through guide shell, after entering heat exchanging segment heat exchange cooling as hot-fluid, return desulphurization system from the output channel on heat exchanging segment top, isolated concentrated sulphur cream is controlled discharge after the heating zone of bottom adds the thermosetting molten sulfur.
2. the method for production molten sulfur according to claim 1 is characterized in that controlling the flow that effluxes doctor solution according to pressure detecting signal by the variable valve on the doctor solution output channel, with the pressure in the stable molten sulphur device.
3. the method for production molten sulfur according to claim 1 is characterized in that controlling by the heating medium variable valve according to temperature detection signal the heat supplied of lower heating section.
4. a claim 1, the 2 or 3 described used equipment of method by sulphur foam production molten sulfur, formed by sulphur foam delivery pump that is connected by pipeline and molten sulphur device, it is characterized in that described molten sulphur device comprises the heat exchanging segment on top and the heating zone of bottom, be provided with settlement separate section up and down between the two, heat exchanging segment is provided with the doctor solution output channel, heating zone is provided with the heating medium pipeline, and the heating zone bottom is equipped with sulfur discharging valve.
5. equipment according to claim 4 is characterized in that the internal diameter of described settlement separate section useful length more than or equal to molten sulphur device.
6. according to claim 4 or 5 described equipment, it is characterized in that promptly the below of heat exchanging segment is provided with the guide shell that a diameter is slightly smaller than molten sulphur device internal diameter on described settlement separate section top.
7. according to claim 4 or 5 described equipment, it is characterized in that on described molten sulphur device, pressure detecting element being installed, on described doctor solution output channel, be installed on variable valve.
8. according to claim 4 or 5 described equipment, it is characterized in that on described molten sulphur device, detector unit being installed, on described heating medium pipeline, be installed on variable valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101927115A CN102267688A (en) | 2010-06-03 | 2010-06-03 | Method and device for producing molten sulfur from sulfur foam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101927115A CN102267688A (en) | 2010-06-03 | 2010-06-03 | Method and device for producing molten sulfur from sulfur foam |
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| CN102267688A true CN102267688A (en) | 2011-12-07 |
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| CN2010101927115A Pending CN102267688A (en) | 2010-06-03 | 2010-06-03 | Method and device for producing molten sulfur from sulfur foam |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815673A (en) * | 2012-08-27 | 2012-12-12 | 徐昭平 | Sulfur slurry or sulfur paste conversion device and conversion process |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN112158808A (en) * | 2020-11-06 | 2021-01-01 | 江苏康茂环保工程有限公司 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
| CN114367246A (en) * | 2022-01-13 | 2022-04-19 | 沈齐晖 | Continuous melting and multi-phase separation system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210090A (en) * | 1997-08-28 | 1999-03-10 | 鞍山钢铁集团公司 | Method and apparatus for production of molten sulphur from sulphureous solutions |
| CN2334489Y (en) * | 1997-09-05 | 1999-08-25 | 王喜晶 | Sulfur fusion caldron |
| US20020081261A1 (en) * | 2000-12-21 | 2002-06-27 | Institut Francais Du Petrole | Process for the purification of sulfur |
| CN1696051A (en) * | 2004-05-11 | 2005-11-16 | 鞍山钢铁集团公司 | Technical method and equipment for purifying sulfur continuously from slag of sulfur |
| CN201244434Y (en) * | 2008-08-14 | 2009-05-27 | 泰安市利德容器制造有限公司 | Continuous sulfur molten pot |
-
2010
- 2010-06-03 CN CN2010101927115A patent/CN102267688A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1210090A (en) * | 1997-08-28 | 1999-03-10 | 鞍山钢铁集团公司 | Method and apparatus for production of molten sulphur from sulphureous solutions |
| CN2334489Y (en) * | 1997-09-05 | 1999-08-25 | 王喜晶 | Sulfur fusion caldron |
| US20020081261A1 (en) * | 2000-12-21 | 2002-06-27 | Institut Francais Du Petrole | Process for the purification of sulfur |
| CN1696051A (en) * | 2004-05-11 | 2005-11-16 | 鞍山钢铁集团公司 | Technical method and equipment for purifying sulfur continuously from slag of sulfur |
| CN201244434Y (en) * | 2008-08-14 | 2009-05-27 | 泰安市利德容器制造有限公司 | Continuous sulfur molten pot |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815673A (en) * | 2012-08-27 | 2012-12-12 | 徐昭平 | Sulfur slurry or sulfur paste conversion device and conversion process |
| CN102815673B (en) * | 2012-08-27 | 2014-02-26 | 徐昭平 | Sulfur slurry or sulfur paste conversion device and conversion process |
| WO2014032384A1 (en) * | 2012-08-27 | 2014-03-06 | Xu Zhaoping | Sulfur slurry or sulfur paste conversion device and conversion process |
| CN109437117A (en) * | 2018-11-26 | 2019-03-08 | 鞍钢集团工程技术有限公司 | A kind of process and device of low temperature continuous sulfur melting |
| CN109437117B (en) * | 2018-11-26 | 2023-07-18 | 鞍钢集团工程技术有限公司 | Process method and device for continuously melting sulfur at low temperature |
| CN112158808A (en) * | 2020-11-06 | 2021-01-01 | 江苏康茂环保工程有限公司 | Device for continuously separating sulfur, desulfurization waste liquid and coal powder |
| CN114367246A (en) * | 2022-01-13 | 2022-04-19 | 沈齐晖 | Continuous melting and multi-phase separation system |
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Application publication date: 20111207 |