CN210736210U - Energy-saving continuous sulfur melting kettle - Google Patents
Energy-saving continuous sulfur melting kettle Download PDFInfo
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- CN210736210U CN210736210U CN201921597096.9U CN201921597096U CN210736210U CN 210736210 U CN210736210 U CN 210736210U CN 201921597096 U CN201921597096 U CN 201921597096U CN 210736210 U CN210736210 U CN 210736210U
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- sulfur
- heat exchange
- kettle body
- sulfur melting
- energy
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Abstract
The utility model discloses an energy-saving continuous sulfur melting kettle, which belongs to the technical field of elemental sulfur refining. The device comprises a kettle body and a clear liquid outlet positioned on the side wall of the kettle body, wherein 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 mode is arranged in the second heat exchange area, the plane where each damping plate is located is not vertical to the central line of the kettle body, a sulfur settling area and a sulfur melting area are further arranged right below the second heat exchange area, and a second outer jacket is arranged at the outer end of the side wall of the kettle body where the sulfur settling area and the second heat exchange. On the basis of ensuring the quality of sulfur, the continuous sulfur melting kettle makes full use of the heat energy of the clear liquid, and is favorable for reducing the energy consumption of the sulfur melting kettle.
Description
Technical Field
The utility model relates to a sulfur melting kettle belongs to the refined technical field of elemental sulfur, specifically relates to an energy-conserving sulfur melting kettle in succession.
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 which 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, people are also continuously improving the defects of the continuous sulfur melting kettle. 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 tubular heat exchange device, but have the problems that sulfur particles in slurry are deposited on a partition plate outside a tubular so as to cause low heat exchange efficiency, the slurry is heated by steam, meanwhile, the clear liquid in a communicating pipe and a riser is heated by the steam, the steam consumption is increased, the clear liquid is cooled by cooling water, the heat energy of the clear liquid is not fully utilized, and the like; 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.
Disclosure of Invention
In order to solve the technical problem, the utility model provides an energy-conserving sulfur melting cauldron in succession, this sulfur melting cauldron in succession is on guaranteeing the sulphur quality basis, make full use of clear solution heat energy, are favorable to reducing the sulfur melting cauldron energy consumption.
In order to achieve the purpose, the utility model discloses an energy-saving continuous sulfur melting kettle, which 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 way is arranged in the second heat exchange area, the plane of each damping plate is not vertical to the central line of the kettle body, a sulfur settling zone and a sulfur melting zone are also arranged under the second heat exchange zone, 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 positioned, the outer end of the side wall of the kettle body where the first heat exchange area is located is provided with a first outer jacket, and the outer end of the side wall of the kettle body where the sulfur melting area is located is provided with a third outer jacket.
Furthermore, circular through holes are formed in the surface of the baffle plate, and oval through holes and strip-shaped through holes which are distributed in sequence in an alternating mode are formed in the surface of the damping plate.
Furthermore, the distance d1 between the baffle plates is 0.2-1.5 times of the diameter of the kettle body, and the distance d2 between the damping plates is 0.2-1.5 times of the diameter of the kettle body.
Further, the included angle α between the plane of each damping plate and the central line of the kettle body is 45-60 degrees.
Furthermore, shell and tube heat transfer is restrainted and is included more than one heat transfer shell and tube that is equidistant arranging, and the feed inlet of each heat transfer shell and tube is the loudspeaker form, and connects thick liquids clear solution splitter on the feed inlet of each heat transfer shell and tube, the clear solution export is located thick liquids clear solution splitter below.
Further, 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 in the kettle body below the slurry inlet.
Further, the liquid sulfur outlet is connected with one end of a liquid sulfur pipe, the other end of the liquid sulfur pipe is provided with a liquid sulfur discharge port, and the outer side of the pipe wall of the liquid sulfur pipe is provided with a liquid sulfur pipe outer jacket.
Furthermore, 1 or more sulfur melting heating pipes which are vertically arranged and connected with each other at two ends are also arranged in the sulfur melting zone.
Furthermore, the circular through holes of the baffle plate and the oval through holes of the damping plate can be arranged in the layout forms of regular triangle, square, concentric rings and the like, and the hole center distance between the circular through holes and the oval through holes is 1.5-3 times of the diameter of the heat exchange tubes.
Has the advantages that:
1. the utility model discloses a sulfur melting kettle can realize the refining to sulphur foam, sulphur thick liquid or sulphur cream, obtains first-class article sulphur product.
2. The utility model discloses a sulfur melting kettle includes the damping plate, can enrich the separation and rise the sulphur particle in the liquid, makes liquid become the clear liquid that does not contain sulphur, reaches the refined separation efficiency height.
3. The utility model discloses a sulfur melting kettle still includes baffling board and damping plate's cooperative play effect, and the clear solution can realize and descend the abundant heat transfer of thick liquids when the cauldron is internal to rise, is below 60 by clear solution export exhaust clear solution temperature, has reduced heating steam's quantity.
Drawings
FIG. 1 is a schematic structural view of a sulfur melting kettle disclosed in an embodiment of the invention;
FIG. 2 is a schematic structural view of a sulfur melting kettle including a sulfur melting heating pipe according to an embodiment of the present invention;
FIG. 3 is a schematic view of the baffle plate of FIGS. 1 and 2;
FIG. 4 is a schematic structural view of the damping plate of FIGS. 1 and 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);
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 and a thermometer 9;
a slurry inlet A1, a liquid sulfur discharge outlet A2, a clear liquid outlet A3 and a sulfur melting 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 utility model discloses an energy-conserving continuous sulfur melting cauldron, as shown in figure 1, it includes the cauldron body 1, and is located the clear solution export A3 of cauldron body 1 lateral wall, 1 inside first heat transfer district I and the second heat transfer district II of being constituteed by heat transfer bank of tubes 1.4 and the cauldron body 1 of being equipped with of cauldron body, it is specific, heat transfer bank of tubes 1.4 includes the heat transfer bank of tubes that is the equidistant arrangement more than one, the utility model discloses the tube pitch of preferred each heat transfer bank of tubes is 1.5 ~ 3 times of each heat transfer bank of tubes external diameter, and the feed inlet 1.2 of each heat transfer bank of tubes is the loudspeaker form, and along connecting thick liquids clear solution separation board 1.3 on the feed inlet 1.2 of heat transfer bank of tubes, clear solution export A3 is located thick liquids clear solution separation board 1.3 below.
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.
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 alternately distributed in sequence are formed on the surface of the damping plate 1.6, wherein slurry passes through the circular through hole S1 and the oval through hole S2, and the strip-shaped through hole T1 is used for passing through strip-shaped particles, as can be seen from fig. 1, in order to increase the path of clear liquid and liquid, the present invention selects the baffle plates 1.5 to be in staggered distribution, the damping plates 1.6 are also in staggered distribution, the distance d1 between the baffle plates 1.5 is 0.2 to 1.5 times the diameter of the kettle body 1, and the distance d2 between the damping plates 1.6 is 0.2 to 1.5 times the diameter of the kettle body 1.
Referring to fig. 1 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 reactor body 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 a first partition plate 7 is arranged between the first outer jacket 2 and the second outer jacket 3 due to the fact that the requirements of the first heat exchange area I and the second heat exchange area II on heating temperature are inconsistent.
Meanwhile, the top end of the kettle body 1 is provided with a slurry inlet A1, the bottom end of the kettle body is provided with a liquid sulfur outlet A4, and a slurry distributor 1.1 is further arranged in the kettle body 1 below the slurry inlet A1. The slurry distributor 1.1 is arranged above the heat exchange tube array 1.4, the bottom of the sulfur melting zone IV is provided with a liquid sulfur outlet A4, the liquid sulfur outlet A4 is connected with one end of a liquid sulfur pipe 6, and the other end of the liquid sulfur pipe 6 is provided with a 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, the third outer jacket 4 is provided with a third outer jacket steam inlet D1 and a third outer jacket condensate outlet D2, and the sulfur melting heating pipe is provided with a steam inlet P and a condensate outlet Q.
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 with a sulfur content of less than 10% and composed of at least one of sulfur foam, sulfur slurry or sulfur paste. Specifically, slurry enters the kettle body 1 from a slurry inlet A1 and enters each heat exchange tube through dispersion of a slurry distributor 1.1, enhanced heat exchange is carried out between the slurry and clear liquid heated by a first outer jacket 2 through a baffle plate 1.5 in a first heat exchange zone I, enhanced heat exchange is carried out between the slurry and liquid heated by a second outer jacket 3 through a damping baffle plate 1.6 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 sulfur 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 carry out heat exchange with the slurry, meanwhile, the sulfur particles are enriched under the action of the damping baffle plate 1.6 to enable the liquid to become clear liquid and continue to rise to enter the first heat exchange zone I, and heat exchange with the descending slurry again can be realized due to high temperature of the clear liquid, the temperature drops below 60 ℃ and exits the tank along the clear liquid outlet a3 below the slurry clear liquid 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.
When the sulfur content is greater than 10%, preferably, vertically arranged sulfur melting heating pipes 1.7 are arranged in the sulfur melting zone IV for heating, and meanwhile, the sulfur melting heating pipes 1.7 are provided with upper-end steam inlets P, and lower-end condensate outlets Q extending from the inside of the kettle body to the outside of the kettle body.
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 the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. The utility model provides an energy-conserving sulfur melting cauldron in succession, it includes cauldron body (1), and is located the clear liquid export (A3) of cauldron body (1) lateral wall, its characterized in that: a first heat exchange area (I) and a second heat exchange area (II) which are composed of heat exchange tube bundles (1.4) and a 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 vertical to the central line of the kettle body (1), a sulfur settling area (III) and a sulfur melting area (IV) are further arranged under the second heat exchange area (II), a second outer jacket (3) is arranged at the outer end of the side wall of the kettle body (1) where the sulfur settling area (III) and the second heat exchange area (II) are located, and 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 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.
2. The energy-saving continuous sulfur melting kettle according to claim 1, characterized in that: circular through holes (S1) are formed in the surface of the baffle plate (1.5), and 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 kettle according to claim 1 or 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 kettle according to claim 1 or 2, characterized in that the included angle α between the plane of each damping plate (1.6) and the center line of the kettle body (1) is 45-60 degrees.
5. The energy-saving continuous sulfur melting kettle according to claim 3, characterized in that: the heat exchange tube bundle (1.4) comprises more than one heat exchange tubes which are arranged at equal intervals, a feed inlet (1.2) of each heat exchange tube is trumpet-shaped, a feed inlet (1.2) of each heat exchange tube is connected with a slurry and clear liquid separation plate (1.3), and a clear liquid outlet (A3) is positioned below the slurry and clear liquid separation plate (1.3).
6. The energy-saving continuous sulfur melting kettle according to claim 1 or 2, characterized in that: the cauldron body (1) top is equipped with thick liquids entry (A1), and the bottom is equipped with liquid sulfur export (A4) the cauldron body (1) inside of thick liquids entry (A1) below still is equipped with thick liquids distributor (1.1).
7. The energy-saving continuous sulfur melting kettle according to claim 6, characterized in that: the liquid sulfur outlet (A4) is connected with one end of a liquid sulfur pipe (6), the other end of the liquid sulfur pipe (6) is provided with a liquid sulfur discharge port (A2), and the outer side of the pipe wall of the liquid sulfur pipe (6) is provided with a liquid sulfur pipe outer jacket (5).
8. The energy-saving continuous sulfur melting kettle according to claim 1, 2, 5 or 7, 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).
9. The energy-saving continuous sulfur melting kettle according to claim 2, 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 forms of regular triangle, square and concentric ring, and the hole center distances of the circular through hole (S1) and the oval through hole (S2) are 1.5-3 times of the diameter of the heat exchange tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597096.9U CN210736210U (en) | 2019-09-24 | 2019-09-24 | Energy-saving continuous sulfur melting kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597096.9U CN210736210U (en) | 2019-09-24 | 2019-09-24 | Energy-saving continuous sulfur melting kettle |
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| Publication Number | Publication Date |
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| CN210736210U true CN210736210U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597096.9U Expired - Fee Related CN210736210U (en) | 2019-09-24 | 2019-09-24 | Energy-saving continuous sulfur melting kettle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062101A (en) * | 2020-09-30 | 2020-12-11 | 中石化石油工程技术服务有限公司 | Energy-saving continuous sulfur melting device and process thereof |
-
2019
- 2019-09-24 CN CN201921597096.9U patent/CN210736210U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112062101A (en) * | 2020-09-30 | 2020-12-11 | 中石化石油工程技术服务有限公司 | Energy-saving continuous sulfur melting device and process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 Termination date: 20200924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |