CN110482494B - Energy-saving continuous sulfur melting process without waste liquid discharge - Google Patents
Energy-saving continuous sulfur melting process without waste liquid discharge Download PDFInfo
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- CN110482494B CN110482494B CN201910907028.6A CN201910907028A CN110482494B CN 110482494 B CN110482494 B CN 110482494B CN 201910907028 A CN201910907028 A CN 201910907028A CN 110482494 B CN110482494 B CN 110482494B
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/02—Preparation of sulfur; Purification
- C01B17/027—Recovery of sulfur from material containing elemental sulfur, e.g. luxmasses or sulfur containing ores; Purification of the recovered sulfur
Abstract
The invention discloses an energy-saving continuous sulfur melting process method without waste liquid discharge, and belongs to the technical field of chemical processes. The process method is carried out in a continuous sulfur melting kettle, wherein at least one of sulfur paste, sulfur foam or sulfur slurry and clear liquid discharged from a clear liquid outlet are uniformly mixed in a slurry tank to obtain mixed slurry, the mixed slurry is fed into a heat exchange tube of a kettle body, the mixed slurry is subjected to enhanced heat exchange with the clear liquid passing through a baffle plate in a first heat exchange area, and is subjected to enhanced heat exchange with liquid passing through a damping plate in a second heat exchange area to complete the temperature rise process of the slurry, the obtained heated slurry descends into a sulfur settling area to separate sulfur particles and liquid, the sulfur particles melt sulfur in a sulfur melting area to obtain liquid sulfur and are discharged out of the kettle body, the liquid ascends into the second heat exchange area, and the liquid is enriched with the sulfur particles under the action of the damping baffle plate to enable the liquid to become clear liquid and continuously ascend into the first heat exchange area to be recovered to the slurry tank or a desulfurization system from the clear liquid outlet. The temperature of the clear liquid obtained by the process method is lower, the pulping can be recovered, and the clean process without waste liquid discharge is favorably realized.
Description
Technical Field
The invention relates to a refining sulfur production process, belongs to the technical field of chemical processes, and particularly relates to an energy-saving continuous sulfur melting process method without waste liquid discharge.
Background
The wet desulphurization is widely adopted due to low desulphurization cost and high desulphurization efficiency, and the sulfur products obtained by the wet desulphurization comprise sulfur foam, sulfur slurry or filtered sulfur paste, and the sulfur foam, the sulfur slurry or the filtered sulfur paste can be used for obtaining high-grade sulfur only by sulfur melting in a sulfur melting kettle. The intermittent sulfur melting kettle is commonly used for melting sulfur in the early stage, but the intermittent sulfur melting kettle is replaced by a continuous sulfur melting kettle at present due to the defects of poor field environment, low sulfur yield, high energy consumption, difficult operation and management and the like.
In recent years, the defects of the continuous sulfur melting kettle are continuously improved. The sulfur melting kettle which depends on a jacket heating mode has the problem of sulfur impermeability because the radiation heat transfer interval is limited, Chinese patents 2011202144038 and 2012203024911 propose that a coil pipe and an inner jacket heater are added at the lower part of the kettle to solve the problem, so that the sulfur melting effect is improved, but the temperature of clear liquid discharged from the sulfur melting kettle is higher, a heat exchanger is required to be matched to continuously cool the clear liquid, and the essence is that the energy of heating steam is transferred to a cooling medium for the clear liquid, so that the heat energy is wasted; chinese patents 2006201275407, 2011202144038, 2015204541285 and 2016207465095 all adopt a tube array heat exchange device, but have the problems that sulfur particles in slurry are deposited on a partition plate outside a tube array, so that the heat exchange efficiency is low, the slurry is heated by steam, and meanwhile, clear liquid in a communicating tube and a riser is also heated, so that the steam consumption is increased, and the clear liquid is cooled by cooling water, so that the heat energy of the clear liquid is not fully utilized; the Chinese patent 2013204131173 also adopts tubular heat exchange for heat exchange between slurry and clear liquid, but the outlet temperature of the clear liquid is controlled to be 80-90 ℃, so that the problem of insufficient utilization of clear liquid heat energy exists. Meanwhile, the direct discharge of clear liquid can also cause environmental pollution.
Disclosure of Invention
In order to solve the technical problems, the invention provides the energy-saving continuous sulfur melting process method without waste liquid discharge, the temperature of the clear liquid obtained by the process method is lower, pulping can be recycled, and the clean process without waste liquid discharge is favorably realized.
In order to achieve the purpose, the invention discloses an energy-saving continuous sulfur melting process method without waste liquid discharge, which is carried out in a continuous sulfur melting kettle, the sulfur melting kettle comprises a kettle body and a clear liquid outlet positioned on the side wall of the kettle body, a first heat exchange area and a second heat exchange area which are composed of heat exchange tube bundles and the kettle body are arranged in the kettle body, more than one baffle plate is arranged in the first heat exchange area, each baffle plate is vertical to the central line of the kettle body, at least one damping plate which is distributed in an inclined manner is arranged in the second heat exchange area, the plane where each damping plate is positioned is not vertical to the central line of the kettle body, and a sulfur settling area and a sulfur melting area are also arranged right below the second heat exchange area;
the process method comprises the following molten sulfur refining process:
at least one of sulfur paste, sulfur foam or sulfur slurry and clear liquid discharged from a clear liquid outlet are uniformly mixed in a slurry tank to obtain mixed slurry, the mixed slurry is sent into a heat exchange tube of a kettle body, the mixed slurry and the clear liquid passing through a baffle plate are subjected to enhanced heat exchange in a first heat exchange area, the mixed slurry and the liquid passing through the baffle plate are subjected to enhanced heat exchange in a second heat exchange area, the temperature rise process of the slurry is completed, the temperature rise slurry descends into a sulfur settling area to separate sulfur particles and liquid, the sulfur particles melt sulfur in a sulfur melting area to obtain liquid sulfur and are discharged out of the kettle body, the liquid ascends into the second heat exchange area, the sulfur particles are enriched under the action of the baffle plate, the liquid becomes clear liquid, and the clear liquid continuously ascends into the first heat exchange area and is recovered to the slurry tank or a desulfurization system through the clear liquid outlet to be recycled.
Further, a second outer jacket is arranged at the outer end of the side wall of the kettle body where the sulfur settling zone and the second heat exchange zone are located, and the temperature of the mixed slurry in the second heat exchange zone rises to 80-119 ℃. The second outer jacket is provided with a second outer jacket steam inlet and a second outer jacket condensate outlet, and steam with the pressure less than or equal to 0.3MPa is introduced into the second outer jacket steam inlet.
Further, the temperature of the clear liquid discharged from the clear liquid outlet is 10-60 ℃.
Furthermore, a first outer jacket is arranged at the outer end of the side wall of the kettle body where the first heat exchange area is located, the first outer jacket is provided with a first outer jacket steam inlet and a first outer jacket condensate outlet, and steam with the pressure less than or equal to 0.3MPa is introduced into the first outer jacket steam inlet.
Further, a third outer jacket is arranged at the outer end of the side wall of the kettle body where the sulfur settling zone is located, the third outer jacket is provided with a third outer jacket steam inlet and a third outer jacket condensate outlet, and steam with the pressure of 0.3-0.6 MPa is introduced into the third outer jacket steam inlet.
Further, the outer side wall of the liquid sulfur pipe is provided with a liquid sulfur pipe outer jacket, the liquid sulfur pipe outer jacket is provided with a liquid sulfur pipe outer jacket steam inlet and a liquid sulfur pipe outer jacket condensate outlet, and steam with the pressure of 0.3-0.6 MPa is introduced into the liquid sulfur pipe outer jacket steam inlet.
Furthermore, circular through holes are formed in the surface of the baffle plate, and oval through holes and strip-shaped through holes distributed in sequence and alternately are formed in the surface of the damping plate.
Furthermore, the distance d1 between the baffles is 0.2 to 1.5 times of the diameter of the kettle body, and the distance d2 between the damping plates is 0.2 to 1.5 times of the diameter of the kettle body.
Furthermore, the included angle alpha between the plane of each damping plate and the center line of the kettle body is 45-60 degrees. The damping plate not only has the function of strengthening heat exchange, but also has the function of damping sulfur particles in enriched liquid by using the damping plate, so that the sulfur particles in the liquid are further removed, and the liquid becomes clear liquid.
Furthermore, the heat transfer tube bank includes the heat transfer tube array that is the equidistant arrangement more than one, and the feed inlet of each heat transfer tube array is the loudspeaker form, and goes up along connecting thick liquids clear solution division board on the feed inlet of each heat transfer tube array, the clear solution export is located thick liquids clear solution division board below.
Furthermore, the top end of the kettle body is provided with a slurry inlet, the bottom end of the kettle body is provided with a liquid sulfur outlet, and a slurry distributor is further arranged inside the kettle body below the slurry inlet.
Further, the liquid sulfur outlet is connected with one end of a liquid sulfur pipe, and the other end of the liquid sulfur pipe is a liquid sulfur discharge port.
Furthermore, 1 or more sulfur melting heating pipes which are vertically arranged and connected at two ends are also arranged in the sulfur melting zone, and steam with the pressure of 0.3-0.6 MPa is introduced into an inlet at the upper end of each sulfur melting heating pipe.
Furthermore, the circular through holes of the baffle plate and the oval through holes of the damping plate can be arranged in a regular triangle pattern, a square pattern, a concentric ring pattern and other layout forms, and the hole center distances of the circular through holes and the oval through holes are 1.5-3 times of the diameter of the heat exchange tubes.
The beneficial effects of the invention are mainly embodied in the following aspects:
the process method designed by the invention comprises the steps that the slurry and clear liquid and liquid are subjected to enhanced heat exchange in the first heat exchange area and the second heat exchange area respectively, the temperature of the clear liquid discharged from a clear liquid outlet is below 60 ℃, the consumption of heating steam is reduced, sulfur particles are removed from the liquid in the second heat exchange area through the enrichment effect of the damping plate to form the clear liquid, the sulfur melting efficiency of the continuous sulfur melting kettle is improved, and meanwhile, the clear liquid leaving the continuous sulfur melting kettle is used for preparing slurry with sulfur paste, and the rest of the clear liquid is returned to a desulfurization system for recycling, so that no waste liquid is discharged.
Drawings
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a schematic view of the structure of a sulfur melting tank according to an embodiment of the present invention;
FIG. 3 is a schematic view of the baffle of FIG. 2;
FIG. 4 is a schematic structural view of the damping plate of FIG. 2;
wherein, each part in fig. 1 to 4 is numbered as follows:
a first heat transfer zone I;
a second heat transfer zone II;
a sulphur settling zone III;
a sulfur melting zone IV;
a kettle body 1 (wherein, a slurry distributor 1.1, a feed inlet 1.2, a slurry clear liquid separation plate 1.3, a heat exchange tube bundle 1.4, a baffle plate 1.5, a damping plate 1.6 and a sulfur melting heating tube 1.7);
the device comprises a first outer jacket 2, a second outer jacket 3, a third outer jacket 4, a liquid sulfur pipe outer jacket 5, a liquid sulfur pipe 6, a first clapboard 7, a second clapboard 8, a thermometer 9, a slurry tank 10 and slurry conveying equipment 11;
a slurry inlet A1, a liquid sulfur discharge outlet A2, a clear liquid outlet A3 and a liquid sulfur outlet A4;
a first outer jacket vapor inlet B1, a first outer jacket condensate outlet B2;
a second outer jacket vapor inlet C1, a second outer jacket condensate outlet C2;
a third outer jacket vapor inlet D1, a third outer jacket condensate outlet D2;
a steam inlet E1 of an outer jacket of the liquid sulfur pipe, and a condensate outlet E2 of the outer jacket of the liquid sulfur pipe;
a liquid level meter connecting pipe O;
a steam inlet P of the sulfur melting heating pipe and a condensate outlet Q of the sulfur melting heating pipe.
Detailed Description
The invention discloses an energy-saving continuous sulfur melting process method without waste liquid discharge, as shown in figures 1 and 2, the main process of the process method is carried out in a continuous sulfur melting kettle shown in figure 2, the sulfur melting kettle comprises a kettle body 1 and a clear liquid outlet A3 positioned on the side wall of the kettle body 1, a first heat exchange zone I and a second heat exchange zone II which are composed of a heat exchange tube bundle 1.4 and the kettle body 1 are arranged in the kettle body 1, specifically, the heat exchange tube bundle 1.4 comprises more than one heat exchange tubes which are arranged at equal intervals, the invention preferably selects the tube interval of each heat exchange tube as 1.5-3 times of the outer diameter of each heat exchange tube, the feed inlet 1.2 of each heat exchange tube is trumpet-shaped, a slurry clear liquid separation plate 1.3 is connected along the upper edge of the feed inlet 1.2 of each heat exchange tube, and the clear liquid outlet A3 is positioned below the slurry separation plate 1.3. The clear liquid outlet A3 is connected with the slurry tank 10 through a pipeline;
More than one baffle plate 1.5 is arranged in the first heat exchange area I, each baffle plate 1.5 is vertical to the central line of the kettle body 1, at least one damping plate 1.6 which is parallel in an inclined mode is arranged in the second heat exchange area II, the plane of each damping plate 1.6 is not vertical to the central line of the kettle body 1, meanwhile, a first outer jacket 2 is arranged at the outer end of the side wall of the kettle body 1 where the first heat exchange area I is located, and the first outer jacket 2 is provided with a first outer jacket steam inlet B1 and a first outer jacket condensate outlet B2. And introducing steam with the steam pressure of less than or equal to 0.3MPa into a steam inlet B1 of the first outer jacket.
As shown in fig. 3 and 4, a circular through hole S1 is formed on the surface of the baffle plate 1.5, an oval through hole S2 and strip-shaped through holes T1 which are alternately distributed in sequence are formed on the surface of the damping plate 1.6, wherein the circular through hole S1 and the oval through hole S2 are used for passing through the heat exchange tubes, and the strip-shaped through hole T1 is used for passing through the enriched sulfur particles; as can be seen from the figure 1, in order to increase the paths of the clear liquid and the liquid and enhance the heat transfer effect, the invention selects the baffle plates 1.5 to be in staggered distribution, the damping plates 1.6 to be in staggered distribution, the distance d1 between the baffle plates 1.5 is 0.2 to 1.5 times of the diameter of the kettle body 1, and the distance d2 between the damping plates 1.6 is 0.2 to 1.5 times of the diameter of the kettle body 1. The invention also preferably selects an included angle alpha between the plane of each damping plate 1.6 and the central line of the kettle body 1 to be 45-60 degrees so as to realize heat exchange between the reinforced slurry and the clear liquid or the liquid and enrich and separate tiny sulfur particles in the liquid.
Referring to fig. 2 again, a sulfur settling zone III and a sulfur melting zone IV are further disposed under the second heat transfer zone II, and a second outer jacket 3 is disposed at the outer end of the sidewall of the kettle 1 where the sulfur settling zone III and the second heat transfer zone II are located. The second outer jacket 3 is provided with a second outer jacket steam inlet C1 and a second outer jacket condensate outlet C2, and steam with the steam pressure of less than or equal to 0.3MPa is introduced into a second outer jacket steam inlet C1; because the first heat transfer area I and the second heat transfer area II have different requirements on heating temperature, a first partition plate 7 is arranged between the first outer jacket 2 and the second outer jacket 3.
Meanwhile, a slurry inlet A1 is formed in the top end of the kettle body 1, a liquid sulfur outlet A4 is formed in the bottom end of the kettle body, and a slurry distributor 1.1 is further arranged in the kettle body 1 below the slurry inlet A1. Slurry distributor 1.1 is located heat transfer tubulation 1.4 top and sets up, sulfur melting zone IV bottom sets up liquid sulfur export A4, liquid sulfur export A4 connects 6 one ends of liquid sulfur pipe, the 6 other ends of liquid sulfur pipe are equipped with liquid sulfur discharge port A2. A third outer jacket 4 is arranged at the outer end of the side wall of the kettle body 1 where the sulfur melting zone IV is positioned, and a second partition plate 8 is arranged between the third outer jacket 4 and the second outer jacket 3;
the outer side wall of the liquid sulfur pipe 6 is provided with a liquid sulfur pipe outer jacket 5, the liquid sulfur pipe outer jacket 5 is provided with a liquid sulfur pipe outer jacket steam inlet E1 and a liquid sulfur pipe outer jacket condensate outlet E2, and the third outer jacket 4 is provided with a third outer jacket steam inlet D1 and a third outer jacket condensate outlet D2. And introducing steam with the steam pressure of 0.3-0.6 MPa into a third outer jacket steam inlet D1, a sulfur melting heating pipe steam inlet P in the sulfur melting zone and a liquid sulfur pipe outer jacket steam inlet E1.
And the sulfur settling zone III and the sulfur melting zone IV are also provided with liquid level meter connecting pipes O.
The sulfur melting zone IV is provided with a thermometer 9.
The sulfur melting kettle disclosed above is used for refining slurry consisting of at least one of sulfur foam, sulfur slurry or sulfur paste. Specifically, at least one of sulfur paste, sulfur foam or sulfur slurry and clear liquid discharged from a clear liquid outlet A3 are uniformly mixed in a slurry tank 10 to obtain mixed slurry, the mixed slurry is conveyed into a kettle body 1 by slurry conveying equipment 11 and enters into each heat exchange tube bundle 1.4 through dispersion of a slurry distributor 1.1, the mixed slurry and the clear liquid heated by a first outer jacket 2 through a baffle plate 1.5 are subjected to enhanced heat exchange in a first heat exchange zone I, the mixed slurry and the liquid heated by a second outer jacket 3 through a damping plate 1.6 are continuously subjected to enhanced heat exchange in a second heat exchange zone II, the temperature of the slurry in the second heat exchange zone II is increased to the optimal temperature of liquid-solid separation of 80-119 ℃, the slurry leaves the second heat exchange zone and enters a settling zone III to complete separation of the liquid and solid sulfur particles, the separated liquid rises along the second heat exchange zone II under the action of external force to exchange with the slurry, and the separated liquid is enriched with rising particles under the action of the damping plate 1.6 to enable the clear liquid to become clear liquid and enter into clear liquid Zone I, due to the high temperature of the serum, can again exchange heat with the descending slurry, the temperature of which is reduced to below 60 ℃ and flows into the slurry tank 10 along the serum outlet a3 below the slurry serum separation plate 1.3. And the sulfur particles separated from the sulfur settling zone III enter a sulfur melting zone IV, are heated and melted to form liquid sulfur under the heating of a third outer jacket 4 and/or a sulfur melting heating pipe 1.7, and are discharged from a liquid sulfur discharge port A2 of a liquid sulfur pipe 6 of a liquid sulfur outlet A4.
In order to better explain the invention, the following embodiments further illustrate the main content of the invention, but the invention is not limited to the following embodiments.
Example 1
And sulfur paste with the solid content of 65 percent obtained by desulfurization and filtration enters a slurry tank to be pulped with sulfur melting clear liquid to obtain sulfur slurry with the solid content of 8 percent and the temperature of 35 ℃, the sulfur slurry is sent into a sulfur melting kettle by slurry conveying equipment, exchanges heat with the clear liquid, is heated to 113 ℃ by jacket steam and enters a settling zone III, and sulfur particles are rapidly settled and enter a sulfur melting zone IV. The liquid with the temperature of 113 ℃ rises to perform enhanced heat exchange with the slurry, the temperature drops to 55 ℃, and the liquid leaves the sulfur melting kettle from a clear liquid outlet A3. One part of clear liquid is used as slurry preparation, and the other part is sent back to the desulfurization system for recycling. And (3) heating the settled sulfur particles with the temperature of about 113 ℃ to 145 ℃ by inner and outer steam in a sulfur melting zone IV to melt sulfur, and discharging the molten sulfur from the sulfur melting kettle from a bottom molten sulfur discharge port A2 to obtain industrial first-grade product liquid sulfur.
Example 2
Sulfur foam with solid content of 6% and temperature of 30 ℃ obtained by desulfurization enters a slurry tank, then is sent into a sulfur melting kettle through slurry conveying equipment, exchanges heat with clear liquid, is heated to 110 ℃ by jacket steam, enters a settling zone III, and sulfur particles are rapidly settled and enter a sulfur melting zone IV. The liquid with the temperature of 110 ℃ rises to perform enhanced heat exchange with the slurry, the temperature drops to 53 ℃, and the liquid leaves the sulfur melting kettle from a clear liquid outlet A3. And the clear liquid is completely sent back to the desulfurization system for recycling. And (3) heating the settled sulfur particles with the temperature of 110 ℃ to 140 ℃ by external steam in a sulfur melting zone IV to melt sulfur, and discharging the molten sulfur from a bottom molten sulfur discharge port A2 out of the sulfur melting kettle to obtain industrial first-grade product liquid sulfur.
Example 3
The sulfur paste with the solid content of 60 percent and the temperature of 20 ℃ obtained by desulfurization and filtration enters a material liquid tank, then is directly sent into a sulfur melting kettle through slurry conveying equipment, exchanges heat with clear liquid, is heated to 105 ℃ by jacket steam, enters a settling zone III, and sulfur particles are rapidly settled and enter a sulfur melting zone IV. The liquid with the temperature of 105 ℃ rises to perform enhanced heat exchange with the slurry, the temperature drops to 50 ℃, and the liquid leaves the sulfur melting kettle from a clear liquid outlet A3. And the clear liquid is completely sent back to the desulfurization system for recycling. And (3) heating the settled sulfur particles with the temperature of 105 ℃ by inner and outer steam in a sulfur melting zone IV to 138 ℃ for sulfur melting, and discharging the sulfur melt from a bottom sulfur melt discharge port A2 out of the sulfur melting kettle to obtain industrial first-grade product sulfur.
The above examples are merely preferred examples and are not intended to limit the embodiments of the present invention. In addition to the above embodiments, the present invention has other embodiments. All technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope of the claims of the present invention.
Claims (8)
1. An energy-saving continuous sulfur melting process method without waste liquid discharge is carried out in a continuous sulfur melting kettle, the sulfur melting kettle comprises a kettle body (1) and a clear liquid outlet (A3) positioned on the side wall of the kettle body (1), a first heat exchange area (I) and a second heat exchange area (II) which are formed by a heat exchange tube bundle (1.4) and the kettle body (1) are arranged in the kettle body (1), more than one baffle plate (1.5) is arranged in the first heat exchange area (I), each baffle plate (1.5) is vertical to the central line of the kettle body (1), at least one damping plate (1.6) which is distributed in an inclined mode is arranged in the second heat exchange area (II), the plane where each damping plate (1.6) is located is not perpendicular to the central line of the kettle body (1), and a sulfur settling area (III) and a sulfur melting area (IV) are further arranged right below the second heat exchange area (II);
The process method comprises the following molten sulfur refining process:
at least one of sulfur paste, sulfur foam or sulfur slurry and clear liquid discharged from a clear liquid outlet (A3) are uniformly mixed in a slurry tank (10) to obtain mixed slurry, the mixed slurry is sent into a heat exchange tube bundle (1.4) of a kettle body (1), enhanced heat exchange is carried out on the mixed slurry and the clear liquid passing through a baffle plate (1.5) in a first heat exchange area (I), enhanced heat exchange is carried out on the mixed slurry and liquid passing through a damping plate (1.6) in a second heat exchange area (II), the temperature rising process of the slurry is completed, the obtained heated slurry descends into a sulfur settling area (III) to separate sulfur particles and liquid, the sulfur particles melt in a sulfur melting area (IV) to obtain liquid sulfur and are discharged out of the kettle body (1), the liquid ascends into a second heat exchange area (II), sulfur particles are enriched under the action of the damping plate (1.6) to enable the liquid to become clear liquid, the clear liquid continuously ascends into the first heat exchange area (I), and is recovered to the slurry (10) or a desulfurization system for recycling through a clear liquid outlet (A3), the sulfur particles become sulfur particles after enrichment and then descend into a sulfur settling zone (III);
wherein a second outer jacket (3) is arranged at the outer end of the side wall of the kettle body (1) where the sulfur settling zone (III) and the second heat exchange zone (II) are located, and the temperature of mixed slurry in the second heat exchange zone (II) is raised to 80-119 ℃;
The temperature of the clear liquid discharged from the clear liquid outlet (A3) is 10-60 ℃.
2. The energy-saving continuous sulfur melting process method without waste liquid discharge according to claim 1, characterized in that: circular through holes (S1) are formed in the surface of the baffle plate (1.5), oval through holes (S2) and strip-shaped through holes (T1) which are distributed in sequence and alternately are formed in the surface of the damping plate (1.6).
3. The energy-saving continuous sulfur melting process method without waste liquid discharge according to claim 2, characterized in that: the distance d1 between the baffle plates (1.5) is 0.2 to 1.5 times of the diameter of the kettle body (1), and the distance d2 between the damping plates (1.6) is 0.2 to 1.5 times of the diameter of the kettle body (1).
4. The energy-saving continuous sulfur melting process method without waste liquid discharge according to claim 3, characterized in that: the included angle alpha between the plane of each damping plate (1.6) and the central line of the kettle body (1) is = 45-60 degrees.
5. The energy-saving continuous sulfur melting process method without waste liquid discharge according to any one of claims 1 to 4, characterized in that: heat transfer tube bank (1.4) include more than one and are the heat transfer tube array that the equidistant was arranged, feed inlet (1.2) of each heat transfer tube array are the loudspeaker form, and feed inlet (1.2) of each heat transfer tube array go up along connecting thick liquids clear solution division board (1.3), clear solution export (A3) is located thick liquids clear solution division board (1.3) below.
6. The energy-saving continuous sulfur melting process method without waste liquid discharge according to any one of claims 1 to 4, characterized in that: cauldron body (1) top is equipped with thick liquids entry (A1), and the bottom is equipped with liquid sulphur export (A4) cauldron body (1) inside still is equipped with thick liquids distributor (1.1) of thick liquids entry (A1) below.
7. The energy-saving continuous sulfur melting process method without waste liquid discharge according to any one of claims 1 to 4, characterized in that: and 1 or more sulfur melting heating pipes (1.7) which are vertically arranged and connected with each other at two ends are also arranged in the sulfur melting zone (IV).
8. The energy-saving continuous sulfur melting process method without waste liquid discharge according to any one of claims 1 to 4, characterized in that: the circular through hole (S1) of the baffle plate (1.5) and the oval through hole (S2) of the damping plate (1.6) can be arranged in the layout form of regular triangle, square and concentric ring, and the hole center distance of the circular through hole (S1) and the oval through hole (S2) is 1.5-3 times of the diameter of the heat exchange tube array (1.4).
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| CN203319701U (en) * | 2013-07-12 | 2013-12-04 | 湖南柳化桂成化工有限公司 | Continuous sulfur melting kettle and sulfur recovery device |
| CN203392928U (en) * | 2013-08-16 | 2014-01-15 | 中国水电顾问集团中南勘测设计研究院 | Baffling reactor for enriching and fixing microbial floras |
| CN108178130A (en) * | 2018-01-23 | 2018-06-19 | 北京澳柯清洁煤气工程技术有限公司 | A kind of continuous sulfur melting system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203319701U (en) * | 2013-07-12 | 2013-12-04 | 湖南柳化桂成化工有限公司 | Continuous sulfur melting kettle and sulfur recovery device |
| CN203392928U (en) * | 2013-08-16 | 2014-01-15 | 中国水电顾问集团中南勘测设计研究院 | Baffling reactor for enriching and fixing microbial floras |
| CN108178130A (en) * | 2018-01-23 | 2018-06-19 | 北京澳柯清洁煤气工程技术有限公司 | A kind of continuous sulfur melting system and method |
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