CN112728983A - High-efficient distillation column waste heat recovery device - Google Patents
High-efficient distillation column waste heat recovery device Download PDFInfo
- Publication number
- CN112728983A CN112728983A CN201911032694.6A CN201911032694A CN112728983A CN 112728983 A CN112728983 A CN 112728983A CN 201911032694 A CN201911032694 A CN 201911032694A CN 112728983 A CN112728983 A CN 112728983A
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- Prior art keywords
- heat
- distillation tower
- pipe
- distillation
- shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The invention discloses a high-efficiency distillation tower waste heat recovery device which comprises a distillation kettle, wherein the distillation kettle is connected with a distillation tower, a boiler and a heat recoverer, the heat recoverer is connected with a smoke filter, two ends of a second heat recovery outer pipe and a steam inlet pipe are respectively connected with the distillation tower and the distillation kettle, a heat transfer pipe is sleeved on a distillation tower shell and connected with a first heat conduction pipe, and the first heat conduction pipe is arranged in the second heat recovery pipe. According to the invention, the utilization rate of the heat of the distillation kettle can be effectively improved through the second heat recovery outer pipe and the steam inlet pipe, and the dissipated heat can be recovered through the heat recoverer, so that the heat waste is avoided, the energy consumption is reduced, and the energy is saved and the environment is protected.
Description
Technical Field
The invention relates to the field of chemical equipment and environmental protection, in particular to a waste heat recovery device of a high-efficiency distillation tower.
Background
The distillation tower is a chemical device made of rare metal titanium and other materials and alloy materials thereof, has the characteristics of high strength, high toughness, high temperature resistance, corrosion resistance, light specific gravity and the like, and is usually required to be separated and purified when in chemical production.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a high-efficiency distillation tower waste heat recovery device to solve the technical problems in the prior art.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A high-efficiency distillation tower waste heat recovery device comprises a distillation kettle, wherein the distillation kettle is connected with a distillation tower, a boiler and a heat recoverer, the heat recoverer is connected with a smoke filter,
the two ends of the second heat recovery outer pipe and the steam inlet pipe are respectively connected with the distillation tower and the distillation kettle,
the distillation tower shell is sleeved with a heat transfer pipe, the heat transfer pipe is connected with a first heat conduction pipe, and the first heat conduction pipe is arranged in the second heat recovery pipe.
Preferably, the distillation kettle is connected with the heat recoverer through a first heat recovery outer pipe, and the boiler is connected with the heat recoverer through a first smoke exhaust pipe.
Preferably, the heat recovery device comprises a smoke recovery cylinder, a heat exchange core and an exhaust fan are arranged in the smoke recovery cylinder, the heat exchange core is connected with a second heat conduction pipe, and the second heat conduction pipe is arranged in the first heat recovery outer pipe.
Preferably, the smoke filter comprises a shell, a primary filter, a secondary filter, a tertiary filter and a negative ion generator are arranged in the shell, and a smoke exhaust hole is formed in the shell.
Preferably, a gas phase outlet is formed in the top end of the distillation kettle, a backflow inlet is welded to one side of the distillation tower shell, a material inlet is formed in one side of the distillation tower shell and the lower end, located at the backflow inlet, of the distillation tower shell, a residual liquid outlet is formed in the distillation tower shell, and a cold medium inlet is formed in the bottom end of the distillation tower shell.
Preferably, the distillation column shell is internally provided with a primary filler, a secondary filler and a reflux distributor, wherein the secondary filler is positioned above the primary filler, and the reflux distributor is arranged above the secondary filler.
Preferably, a protective outer cover is arranged on the distillation tower shell, and the heat transfer pipe is located between the distillation tower shell and the protective outer cover.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) when the distillation tower is used, materials to be distilled are firstly put into the distillation tower shell from the material inlet, the boiler is heated, so that heat generated by the boiler is transferred into the distillation kettle, the distillation kettle can generate a large amount of steam, the steam is transferred into the distillation tower main body through the steam inlet pipe, the steam transferred into the distillation tower main body can be used for distilling materials put into the distillation tower shell, a large amount of heat can be emitted from the outer side of the distillation tower shell when the distillation tower shell is in operation, the heat transfer pipe can absorb the heat emitted by the distillation tower shell, the heat transfer pipe is a high-efficiency heat transfer element and is a name of a heat energy superconductor, and the heat transfer pipe can transfer the absorbed heat into the distillation kettle again through the first heat transfer pipe, so that the heat recovery work can be completed;
when the smoke heat recovery device is used, a large amount of smoke can be produced when a boiler works, a large amount of heat exists in the smoke, the smoke enters the inside of the heat recovery device through the first smoke exhaust pipe, the heat exchange core arranged inside the heat recovery device can effectively absorb the heat in the smoke, the heat exchange core is a heat transfer process between two objects or all parts of the same object caused by temperature difference, the smoke absorbing the heat through the heat exchange core is exhausted into the smoke filter through the second smoke exhaust pipe through the exhaust fan to be filtered, the filtered smoke is exhausted from the smoke exhaust hole formed in the top end of the smoke filter, so that tail gas generated by the boiler can be absorbed thermally in the heating process of the device, and the use of fuel can be effectively reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view showing the connection of the devices of the present invention;
FIG. 3 is a schematic view of the structure of a distillation column according to the present invention;
FIG. 4 is a schematic view of the internal structure of a distillation column of the present invention;
FIG. 5 is a schematic view of the internal structure of the heat recovery device of the present invention;
FIG. 6 is a schematic view of the internal construction of the smoke filter of the present invention;
reference numerals:
1. a distillation column; 2. a heat recoverer; 3. a smoke filter; 4. a distillation kettle; 5. a boiler; 6. a first smoke exhaust pipe; 7. a first heat recovery outer tube; 8. a second heat recovery outer tube; 9. a vapor inlet tube; 10. a support frame; 11. a protective outer cover; 12. a heat transfer tube; 13. a first heat conductive pipe; 14. a distillation column housing; 15. a gas phase outlet; 16. a reflux inlet; 17. a residual liquid outlet; 18. first-stage filling; 19. secondary filling; 20. a reflux distributor; 21. a fume recovery drum; 22. a heat exchange core; 23. an exhaust fan; 24. a second heat conductive pipe; 25. a smoke vent; 26. a third filter; 27. a secondary filter; 28. a first stage filter; 29. a negative ion generator; 30. a second smoke exhaust pipe; 31. a material inlet; 32. and a cold medium inlet.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
The specific embodiment is as follows:
referring to fig. 1-6, a high efficiency distillation tower waste heat recovery device includes a distillation tower 1, the distillation tower 1 is connected to a second heat recovery outer tube 8 and a vapor inlet tube 9, the second heat recovery outer tube 8 and the vapor inlet tube 9 are connected to a distillation still 4. The distillation kettle 4 is connected with a first heat recovery outer pipe 7, the first heat recovery outer pipe 7 is connected with a heat recoverer 2, the heat recoverer 2 is connected with a first smoke exhaust pipe 6, the first smoke exhaust pipe 6 is connected with a boiler 5, the heat recoverer 2 is connected with a second smoke exhaust pipe 30, and the second smoke exhaust pipe 30 is connected with a smoke filter 3.
In order to make the device effectively recover the residual heat in the distillation tower, the distillation tower 1 comprises a support frame 10, a protective outer cover 11, a heat transfer pipe 12, a first heat transfer pipe 13, a distillation tower shell 14, a gas phase outlet 15, a reflux inlet 16, a residual liquid outlet 17, a material inlet 31 and a cold medium inlet 32.
The support frame 10 is arranged at the bottom of the distillation tower shell 14, the heat transfer pipe 12 is located inside the protective shell 11 and is sleeved on the outer wall of the distillation tower shell 14, the heat transfer pipe 12 is connected with the first heat transfer pipe 13, and the first heat transfer pipe 13 is located inside the second heat recovery outer pipe 8 and is welded with the second heat recovery outer pipe 8.
The top end of the distillation still 4 is provided with a gas phase outlet 15, one side of the distillation tower shell 14 is welded with a reflux inlet 16, one side of the distillation tower shell 14 and the lower end of the reflux inlet 16 are provided with a material inlet 31, the other side of the distillation tower shell 14 is provided with a residual liquid outlet 17, and the bottom end of the distillation tower shell 14 is provided with a cold medium inlet 32.
A primary packing 18 is installed on the inner side of the distillation column shell 14, a secondary packing 19 is installed on the inner side of the distillation column shell 14 and positioned at the upper end of the primary packing 18, and a reflux distributor 20 is installed on the inner side of the distillation column shell 14 and positioned at the upper end of the secondary packing 19.
In order to recover heat in the smoke, the smoke filter 3 includes a smoke recovery cylinder 21, a heat exchange core 22, an exhaust fan 23, and a second heat pipe 24, the smoke recovery cylinder 21 is connected to the first heat recovery outer tube 7, the heat exchange core 22 and the exhaust fan 23 are disposed inside the smoke recovery cylinder 21, and the second heat pipe 24 is disposed inside the first heat recovery outer tube 7 and welded to the first heat recovery outer tube 7.
For filtering harmful gas in the discharged smoke, the second smoke exhaust pipe 30 is connected with the smoke filter 3, the smoke filter 3 comprises a shell, a primary filter 28 is arranged inside the shell, a secondary filter 27 is arranged inside the smoke filter 3 and at the upper end of the primary filter 28, a tertiary filter 26 is arranged inside the smoke filter 3 and at the upper end of the secondary filter 27, a negative ion generator 29 is arranged at one side inside the smoke filter 3 and at the upper end of the tertiary filter 26, and a smoke exhaust hole 25 is formed in the shell.
In order to prevent the device from burning workers during use, the outer diameter of the protective outer cover 11 is matched with the inner diameter of the heat transfer pipe 12, and the protective outer cover 11 is in clearance fit with the heat transfer pipe 12.
In order to recover the residual heat in the smoke, the outer diameter of the heat exchange core 22 is matched with the inner diameter of the smoke recovery cylinder 21, and the smoke recovery cylinder 21 is in clearance fit with the heat exchange core 22.
The working principle is as follows:
when the material-distilling device is used, materials to be distilled are firstly put into the distilling tower from the material inlet 31, the boiler 5 is heated, so that heat generated by the boiler 5 is transferred into the distilling still 4, a large amount of steam is generated by the distilling still 4, and then the steam is transferred into the distilling tower 1 through the steam inlet pipe 9;
the steam introduced into the distillation tower 1 can distill the material put into the distillation tower shell 14, a large amount of heat can be emitted from the outer side of the distillation tower shell 14 when the distillation tower shell 14 works, and the heat transfer pipe 12 can absorb the heat emitted by the distillation tower shell 14;
the heat transfer pipe 12 is a high-efficiency heat transfer element, and has a name of "heat energy superconductor", and the heat transfer pipe 12 can transfer the absorbed heat into the distillation kettle 4 again through the first heat transfer pipe 13, so that the heat recovery work can be completed;
when the boiler 5 works, a large amount of smoke is produced, a large amount of heat exists in the smoke, the smoke enters the inside of the heat recoverer 2 through the first smoke exhaust pipe 6, and the heat exchange core 22 arranged inside the heat recoverer 2 can effectively absorb the heat in the smoke;
the smog absorbing heat through the heat exchange core 22 is discharged into the inside of the smog filter 3 through the second smoke exhaust pipe 30 through the exhaust fan 23 to be filtered, and the filtered smog is discharged from the smoke exhaust hole 25, so that the device can absorb heat of tail gas generated by the boiler 5 in the heating process, heat is fully recycled, fuel is reduced, and the device is energy-saving and environment-friendly.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (7)
1. A high-efficiency distillation tower waste heat recovery device is characterized by comprising a distillation kettle, wherein the distillation kettle is connected with a distillation tower, a boiler and a heat recoverer, the heat recoverer is connected with a smoke filter,
the two ends of the second heat recovery outer pipe and the steam inlet pipe are respectively connected with the distillation tower and the distillation kettle,
the distillation tower shell is sleeved with a heat transfer pipe, the heat transfer pipe is connected with a first heat conduction pipe, and the first heat conduction pipe is arranged in the second heat recovery pipe.
2. The waste heat recovery device of claim 1, wherein the distillation kettle is connected with the heat recoverer through a first heat recovery outer pipe, and the boiler is connected with the heat recoverer through a first smoke exhaust pipe.
3. The device for recovering the waste heat of the high-efficiency distillation tower as recited in claim 1, wherein the heat recovery device comprises a smoke recovery cylinder, a heat exchange core and an exhaust fan are arranged in the smoke recovery cylinder, the heat exchange core is connected with a second heat conduction pipe, and the second heat conduction pipe is arranged in the first heat recovery outer pipe.
4. The device for recovering the waste heat of the high-efficiency distillation tower as claimed in claim 1, wherein the smoke filter comprises a shell, a primary filter, a secondary filter, a tertiary filter and a negative ion generator are arranged in the shell, and a smoke exhaust hole is formed in the shell.
5. The waste heat recovery device of the high-efficiency distillation tower as claimed in claim 1, wherein a gas phase outlet is formed at the top end of the distillation kettle, a reflux inlet is welded at one side of the distillation tower shell, a material inlet is formed at the lower end of the reflux inlet at one side of the distillation tower shell, a residual liquid outlet is formed in the distillation tower shell, and a cold medium inlet is formed in the bottom end of the distillation tower shell.
6. The waste heat recovery device of the high-efficiency distillation tower as claimed in claim 1, wherein a primary packing, a secondary packing and a reflux distributor are arranged in the distillation tower shell, the secondary packing is arranged above the primary packing, and the reflux distributor is arranged above the secondary packing.
7. The efficient distillation column waste heat recovery device according to claim 1, wherein a protective outer cover is arranged on the distillation column shell, and the heat transfer pipe is located between the distillation column shell and the protective outer cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911032694.6A CN112728983A (en) | 2019-10-28 | 2019-10-28 | High-efficient distillation column waste heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911032694.6A CN112728983A (en) | 2019-10-28 | 2019-10-28 | High-efficient distillation column waste heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112728983A true CN112728983A (en) | 2021-04-30 |
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ID=75589160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911032694.6A Pending CN112728983A (en) | 2019-10-28 | 2019-10-28 | High-efficient distillation column waste heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112728983A (en) |
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2019
- 2019-10-28 CN CN201911032694.6A patent/CN112728983A/en active Pending
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