CN105670672A - Asphalt heating furnace - Google Patents
Asphalt heating furnace Download PDFInfo
- Publication number
- CN105670672A CN105670672A CN201610137337.6A CN201610137337A CN105670672A CN 105670672 A CN105670672 A CN 105670672A CN 201610137337 A CN201610137337 A CN 201610137337A CN 105670672 A CN105670672 A CN 105670672A
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- CN
- China
- Prior art keywords
- furnace roof
- furnace
- asphalt heating
- heating kettle
- kettle according
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/002—Working-up pitch, asphalt, bitumen by thermal means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Civil Engineering (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Air Supply (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The invention relates to an asphalt heating furnace, and belongs to the technical field of metallurgical coking equipment.The asphalt heating furnace comprises a radiation section (1) and a chimney (5).An air pre-heater (2) is arranged between the radiation section (1) and the chimney (5).The radiation section (1) comprises a furnace bottom (1.1), a middle shell (1.2) and a furnace top (1.3), and a burner (9) is arranged in the center of the furnace bottom (1.1).A coiled spiral heating tube (7) is arranged in the radiation section (1).A radiation extension section (17) is arranged between the radiation section (1) and the air pre-heater (2).A flow guide cover (18) is arranged in the radiation extension section (17).According to the asphalt heating furnace, the phenomenon that asphalt in a tube cokes can be effectively prevented, and it is found in actual use that no coking phenomenon happens after the heating furnace continuously operates for 12 months, which shows a large extent of improvement compared with the original use practice that a heating furnace needs decoking treatment after being used for 3 months.
Description
Technical field
The present invention relates to a kind of asphalt heating kettle, belong to technical field of chemical.
Background technology
Tubular heater is the industrial heating furnace used in the industry such as petroleum refining, petrochemical industry, Coal Chemical Industry, tar production, Crude Oil Transportation, heated material is gas or liquid at Bottomhole pressure medium, and it is all inflammable and explosive material, operating condition is harsh, long-term operation hitless operation simultaneously, mode of heating is that heat transfer type is based on radiant heat transfer, and its energy consumption accounts for about the 70% of device total energy consumption directly by fire. current tubular heater generally adopts vertical radial canal group, and its radial canal group is spliced by pipe and elbow, and this tubular heater is when being heated mid temperature pitch, it is easy to produce coking phenomenon. coking is, after oil product (such as the Colophonium) temperature in heating furnace tube exceedes certain limit, thermal cracking occurs, become free carbon, heap the phenomenon to inside pipe wall, occur mainly in above vacuum furnace, coking furnace, asphalt furnace, viscosity breaker, lubricating oil heating furnace and ethane cracking furnace etc. coking makes tube wall temperature steeply rise, and exacerbates corrosion and the high-temperature oxydation of boiler tube, the Pressure Drop causing boiler tube bulge, breaking, increase in pipe equally, makes furnace maneuver penalty, sometimes even forces device to have to stop transport in advance. therefore how to prevent or alleviate tube coking, it has also become one of most distinct issues in the design of some high-temperature heaters, operation. application number be 201320459085.0 patent of invention disclose a kind of energy-conservation high-efficiency low-resistance coil tube type heating stove, its radial canal group adopts disc type helical heating pipe, it it is rich oil import bottom it, top is oil rich outlet, namely the feeding manner of " bottom in and top out " is adopted, in heating process, body is heated evenly and is unlikely to deform, and light composition can accelerate to rise after thermal evaporation, thus producing buoyancy upwards, also the rate of climb that can cause heavy ingredient increases, add the driving force impact of inlet outlet pressure differential, the speed difference of light composition and heavy ingredient can be reduced, weaken the separation of light composition and heavy ingredient, such that it is able to effective slagging prevention." but bottom in and top out " although feeding manner can prevent from managing interior asphalt coking, but owing to the heat exchange mode of intraductal working medium and inner flue gas of the stove is downflow type, therefore its heat exchange efficiency can decline to some extent.
Summary of the invention
The technical problem to be solved is to provide a kind of asphalt heating kettle for above-mentioned prior art, the heat of burning can be fully utilized by it, it is simultaneously achieved pick up the heat more than high-temperature flue gas, not only contributes to reduce exhaust gas temperature, and be effectively increased the thermal efficiency of heating furnace.
This invention address that the technical scheme that the problems referred to above adopt is: a kind of asphalt heating kettle, it includes radiant section and chimney, it is provided with air preheater between described radiant section and chimney, described radiant section includes furnace bottom, middle casing and furnace roof, described hearth center is provided with burner, it is provided with disc type helical heating pipe in described radiant section, is provided with radiation extension between described radiant section and air preheater, in described radiation extension, is provided with kuppe.
Described kuppe includes cylinder, and described cylinder lower end is provided with cone, and described cone lower end is provided with circular shrouding, and described cylinder arranged outside has upper and lower two pieces of ring flat-plates, described cone and be provided with the cast bed of material on circular shrouding medial surface.
Described cylinder is fixedly installed in below furnace roof by base plate, furnace roof link plate, boatswain chair and the cylinder link plate being sequentially arranged from top to bottom, and described boatswain chair two ends are connected with furnace roof link plate and cylinder link plate respectively through bearing pin.
Described furnace roof includes furnace roof crossbeam and furnace roof cover plate, is provided with thermal insulation layer bottom described furnace roof cover plate.
Described furnace roof includes furnace roof crossbeam and furnace roof cover plate, is provided with thermal insulation layer bottom described furnace roof cover plate.
Described base plate is fixedly installed on furnace roof crossbeam.
Described air preheater arranged outside has wind channel tube group and blower fan, described wind channel tube group includes cold air inlet pipe and hot-air goes out pipe, described cold air inlet pipe one end is connected with blower fan, the other end is connected with the import of air preheater, described hot-air goes out pipe one end and is connected with the outlet of air preheater, and the other end is connected with the burner air mouth of burner.
It is connected by transit joint between described air preheater and chimney, in described chimney, is provided with air door.
Described radiant section inwall is provided with insulated lining.
Described furnace bottom is provided with extinguishing steam mouth and manhole.
Compared with prior art, it is an advantage of the current invention that:
1, one asphalt heating kettle of the present invention, disc type helical heating pipe it is provided with in its radiant section, and adopt the feeding manner of " bottom in and top out ", can effectively prevent from managing interior Colophonium generation coking phenomenon, actually used middle discovery heating furnace runs 12 continuously and monthly does not produce coking phenomenon, within 3 months, just need to carry out coke cleaning treatment and compares compared to original use and be greatly increased;
2, one asphalt heating kettle of the present invention, it arranges air preheater between radiant section and chimney, it is possible to recycled by high-temperature flue gas waste heat, advantageously reduces exhaust gas temperature, reduces the flue gas pollution to environment;
3, one asphalt heating kettle of the present invention, radiation extension it is provided with between its radiant section and air preheater, the heat of burner combustion is after radiant section carries out radiant heat transfer, convection heat transfer' heat-transfer by convection is carried out under the effect of radiation extension kuppe, the heat that burning produces is fully used, and is effectively increased the thermal efficiency of heating furnace.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of asphalt heating kettle of the present invention;
Fig. 2 is the structural representation of kuppe in Fig. 1.
Fig. 3 is the top view of Fig. 2.
Wherein:
Radiant section 1
Furnace bottom 1.1
Middle casing 1.2
Furnace roof 1.3
Furnace roof crossbeam 1.3.1
Furnace roof cover plate 1.3.2
Thermal insulation layer 1.3.3
Air preheater 2
Wind channel tube group 3
Cold air inlet pipe 3.1
Hot-air goes out pipe 3.2
Transit joint 4
Chimney 5
Air door 6
Disc type helical heating pipe 7
Heat insulation back boxing 8
Burner 9
Blower fan 10
Working medium import 11
Sender property outlet 12
Manhole 13
Coke-stove gas entrance 14
Burner air mouth 15
Extinguishing steam mouth 16
Radiation extension 17
Kuppe 18
Circular shrouding 18.1
Cone 18.2
Cylinder 18.3
Ring flat-plate 18.4
Cylinder link plate 18.5
Bearing pin 18.6
Boatswain chair 18.7
Furnace roof link plate 18.8
Base plate 18.9
The cast bed of material 18.10.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Fig. 1 ~ Fig. 3, a kind of asphalt heating kettle in the present embodiment, it includes radiant section 1 and chimney 5, it is provided with air preheater 2 between described radiant section 1 and chimney 5, described radiant section 1 includes furnace bottom 1.1, middle casing 1.2 and furnace roof 1.3, described furnace bottom 1.1 is provided centrally with burner 9, described burner 9 is provided with coke-stove gas entrance 14 and burner air mouth 15, it is provided with disc type helical heating pipe 7 in described radiant section 1, it is working medium import 11 that described disc type helical heating pipe 7 stretches out the lower end of furnace bottom 1.1, it is sender property outlet 12 that described disc type helical heating pipe 7 stretches out the upper end of furnace roof 1.3, radiation extension 17 it is provided with between described radiant section 1 and air preheater 2, it is provided with kuppe 18 in described radiation extension 17,
Described furnace roof 1.3 includes furnace roof crossbeam 1.3.1 and furnace roof cover plate 1.3.2, is provided with thermal insulation layer 1.3.3 bottom described furnace roof cover plate 1.3.2;
Described kuppe 18 includes base plate 18.9, described base plate 18.9 is fixedly installed on furnace roof crossbeam 1.3.1, it is provided with furnace roof link plate 18.8 bottom described base plate 18.9, described furnace roof link plate 18.8 is provided with boatswain chair 18.7 by bearing pin 18.6, described boatswain chair 18.7 is provided with cylinder link plate 18.5 by bearing pin 18.6, described cylinder link plate 18.5 is provided with cylinder 18.3, described cylinder 18.3 lower end is provided with cone 18.2, described cone 18.2 lower end is provided with circular shrouding 18.1, described cylinder 18.3 arranged outside has upper and lower two pieces of ring flat-plates 18.4, described cone 18.2 and circular shrouding 18.1 medial surface are provided with the cast bed of material 18.10,
Described air preheater 2 arranged outside has wind channel tube group 3 and blower fan 10, described wind channel tube group 3 includes cold air inlet pipe 3.1 and hot-air goes out pipe 3.2, described cold air inlet pipe 3.1 one end is connected with blower fan 10, the other end is connected with the import of air preheater 2, described hot-air goes out pipe 3.2 one end and is connected with the outlet of air preheater 2, and the other end is connected with the burner air mouth 15 of burner 9;
It is connected by transit joint 4 between described air preheater 2 and chimney 5, in described chimney 5, is provided with air door 6;
Described radiant section 1 inwall is provided with insulated lining 8;
Described furnace bottom 1.1 is provided with extinguishing steam mouth 16 and manhole 13.
In addition to the implementation, present invention additionally comprises the technical scheme that other embodiments, all employing equivalents or equivalence substitute mode are formed, all should fall within the protection domain of the claims in the present invention.
Claims (10)
1. an asphalt heating kettle, it is characterized in that: it includes radiant section (1) and chimney (5), air preheater (2) it is provided with between described radiant section (1) and chimney (5), described radiant section (1) includes furnace bottom (1.1), middle casing (1.2) and furnace roof (1.3), described furnace bottom (1.1) is provided centrally with burner (9), disc type helical heating pipe (7) it is provided with in described radiant section (1), radiation extension (17) it is provided with between described radiant section (1) and air preheater (2), it is provided with kuppe (18) in described radiation extension (17).
2. a kind of asphalt heating kettle according to claim 1, it is characterized in that: described kuppe (18) includes cylinder (18.3), described cylinder (18.3) lower end is provided with cone (18.2), described cone (18.2) lower end is provided with circular shrouding (18.1), described cylinder (18.3) arranged outside has upper and lower two pieces of ring flat-plates (18.4), described cone (18.2) and be provided with the cast bed of material (18.10) on circular shrouding (18.1) medial surface.
3. a kind of asphalt heating kettle according to claim 2, it is characterized in that: described cylinder (18.3) is fixedly installed in furnace roof (1.3) lower section by base plate (18.9), furnace roof link plate (18.8), boatswain chair (18.7) and the cylinder link plate (18.5) being sequentially arranged from top to bottom, and described boatswain chair (18.7) two ends are connected with furnace roof link plate (18.8) and cylinder link plate (18.5) respectively through bearing pin (18.6).
4. a kind of asphalt heating kettle according to claim 1, it is characterised in that: described furnace roof (1.3) includes furnace roof crossbeam (1.3.1) and furnace roof cover plate (1.3.2), and described furnace roof cover plate (1.3.2) bottom is provided with thermal insulation layer (1.3.3).
5. a kind of asphalt heating kettle according to claim 3, it is characterised in that: described furnace roof (1.3) includes furnace roof crossbeam (1.3.1) and furnace roof cover plate (1.3.2), and described furnace roof cover plate (1.3.2) bottom is provided with thermal insulation layer (1.3.3).
6. a kind of asphalt heating kettle according to claim 5, it is characterised in that: described base plate (18.9) is fixedly installed on furnace roof crossbeam (1.3.1).
7. a kind of asphalt heating kettle according to claim 1, it is characterized in that: described air preheater (2) arranged outside has wind channel tube group (3) and blower fan (10), described wind channel tube group (3) includes cold air inlet pipe (3.1) and hot-air goes out pipe (3.2), described cold air inlet pipe (3.1) one end is connected with blower fan (10), the other end is connected with the import of air preheater (2), described hot-air goes out pipe (3.2) one end and is connected with the outlet of air preheater (2), and the other end is connected with the burner air mouth (15) of burner (9).
8. a kind of asphalt heating kettle according to claim 1, it is characterised in that: it is connected by transit joint (4) between described air preheater (2) with chimney (5), in described chimney (5), is provided with air door (6).
9. a kind of asphalt heating kettle according to claim 1, it is characterised in that: described radiant section (1) inwall is provided with insulated lining (8).
10. a kind of asphalt heating kettle according to claim 1, it is characterised in that: described furnace bottom (1.1) is provided with extinguishing steam mouth (16) and manhole (13).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015106512525 | 2015-10-10 | ||
| CN201510651252.5A CN105176560A (en) | 2015-10-10 | 2015-10-10 | Asphalt heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105670672A true CN105670672A (en) | 2016-06-15 |
Family
ID=54898999
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510651252.5A Withdrawn CN105176560A (en) | 2015-10-10 | 2015-10-10 | Asphalt heating furnace |
| CN201610137337.6A Pending CN105670672A (en) | 2015-10-10 | 2016-03-11 | Asphalt heating furnace |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510651252.5A Withdrawn CN105176560A (en) | 2015-10-10 | 2015-10-10 | Asphalt heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105176560A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105647558A (en) * | 2016-03-16 | 2016-06-08 | 宁夏盐池县恒汇丰煤化工有限公司 | Pipe type coal tar heating furnace |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688297A (en) * | 1949-07-12 | 1953-03-04 | Bataafsche Petroleum | Improvements in tubular heaters |
| GB813959A (en) * | 1956-06-08 | 1959-05-27 | Petro Chem Process Company | A cylindrical furnace |
| CN2383974Y (en) * | 1999-03-29 | 2000-06-21 | 盘锦市华孚电器有限公司 | Ring fume duct type heating stove |
| CN203454757U (en) * | 2013-07-31 | 2014-02-26 | 湖北洪湖化工机械总厂 | Energy-saving low-resistance efficient coiled tube type heating furnace |
| CN205528604U (en) * | 2015-10-10 | 2016-08-31 | 江阴市澄源机电设备制造有限公司 | Asphalr heating kettle |
-
2015
- 2015-10-10 CN CN201510651252.5A patent/CN105176560A/en not_active Withdrawn
-
2016
- 2016-03-11 CN CN201610137337.6A patent/CN105670672A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688297A (en) * | 1949-07-12 | 1953-03-04 | Bataafsche Petroleum | Improvements in tubular heaters |
| GB813959A (en) * | 1956-06-08 | 1959-05-27 | Petro Chem Process Company | A cylindrical furnace |
| CN2383974Y (en) * | 1999-03-29 | 2000-06-21 | 盘锦市华孚电器有限公司 | Ring fume duct type heating stove |
| CN203454757U (en) * | 2013-07-31 | 2014-02-26 | 湖北洪湖化工机械总厂 | Energy-saving low-resistance efficient coiled tube type heating furnace |
| CN205528604U (en) * | 2015-10-10 | 2016-08-31 | 江阴市澄源机电设备制造有限公司 | Asphalr heating kettle |
Non-Patent Citations (1)
| Title |
|---|
| 宋天民等: "《炼油工艺与设备》", 31 January 2014 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105176560A (en) | 2015-12-23 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |