CN105441100A - Asphalt heating furnace - Google Patents
Asphalt heating furnace Download PDFInfo
- Publication number
- CN105441100A CN105441100A CN201510876490.6A CN201510876490A CN105441100A CN 105441100 A CN105441100 A CN 105441100A CN 201510876490 A CN201510876490 A CN 201510876490A CN 105441100 A CN105441100 A CN 105441100A
- Authority
- CN
- China
- Prior art keywords
- furnace roof
- furnace
- asphalt heating
- heating kettle
- radiation section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Air Supply (AREA)
Abstract
The invention relates to an asphalt heating furnace and belongs to the technical field of metallurgy cokers. The asphalt heating furnace comprises a radiation section (1) and a chimney (5). An air preheater (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). A combustor (9) is arranged in the center of the furnace bottom (1.1), a coil spiral heating tube (7) is arranged in the radiation section (1), a radiation extending section (17) is arranged between the radiation section (1) and the air preheater (2), and an air guide cover (18) is arranged in the radiation extending section (17). The asphalt heating furnace can effectively prevent asphalt in the tube from having the coking phenomenon, it is found in practical use that the coking phenomenon does not occur when the heating furnace continuously operates for 12 months, and a large extent of improvement is achieved compared with the situation that previously, decoking treatment needs to be conducted when a furnace is used for three months.
Description
Technical field
The present invention relates to a kind of asphalt heating kettle, belong to technical field of chemical.
Background technology
The industrial heating furnace used in the industry such as tubular oven is refining of petroleum, petrochemical complex, Coal Chemical Industry, tar production, Crude Oil Transportation, heated material is gas or liquid at Bottomhole pressure medium, and be all inflammable and explosive material, operational condition is harsh, long-term operation hitless operation simultaneously, type of heating is that heat transfer type is based on radiative transfer, and its energy consumption accounts for about 70% of device total energy consumption directly by fire.Current tubular oven adopts vertical radiator tube group usually, and its radiator tube group is spliced by pipe and elbow, and this tubular oven, when heating mid-temperature pitch, easily produces coking phenomenon.Coking is, after oil product (as the pitch) temperature in heating furnace tube exceedes certain limit, thermo-cracking occurs, become uncombined carbon, heap to the phenomenon on inside pipe wall, mainly occur in above vacuum furnace, coking furnace, asphalt furnace, viscosity breaker, lubricating oil process furnace and ethane cracking furnace etc.Coking makes pipe surface temperature sharply rise, and exacerbates corrosion and the high temperature oxidation of boiler tube, causes boiler tube bulge, breaks, the Pressure Drop increased equally in pipe, makes furnace maneuver penalty, sometimes even forces device to have to stop transport in advance.Therefore how to prevent or alleviate tube coking, having 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 radiator tube group adopts disc type helical heating pipe, 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 heat-processed, body is heated evenly not yielding, and light composition can accelerate to rise after thermal evaporation, thus the buoyancy produced upwards, also the lift velocity of heavy ingredient can be caused to increase, add the motivating force impact of inlet outlet pressure differential, the velocity contrast of light composition and heavy ingredient can be reduced, weaken being separated of light composition and heavy ingredient, thus can effective slagging prevention." but bottom in and top out " although feeding manner can prevent from managing interior asphalt coking, because the heat exchange mode of intraductal working medium and inner flue gas of the stove is downflow system, therefore its heat exchange efficiency can decline to some extent.
Summary of the invention
Technical problem to be solved by this invention provides a kind of asphalt heating kettle for above-mentioned prior art, the heat of burning can fully utilize by it, achieve pick up the heat more than high-temperature flue gas simultaneously, be not only conducive to reducing funnel temperature, and effectively improve the thermo-efficiency of process furnace.
The present invention's adopted technical scheme that solves the problem is: a kind of asphalt heating kettle, it comprises radiation section and chimney, air preheater is provided with between described radiation section and chimney, described radiation section comprises furnace bottom, middle casing and furnace roof, described hearth center is provided with burner, be provided with disc type helical heating pipe in described radiation section, between described radiation section and air preheater, be provided with radiation extension, in described radiation extension, be provided with pod.
Described pod comprises cylindrical shell, and described cylindrical shell lower end is provided with cone, and described cone lower end is provided with circular shrouding, and described cylindrical shell arranged outside has upper and lower two pieces of ring flat-plates, and described cone and circular shrouding medial surface are provided with the cast bed of material.
Described cylindrical shell is fixedly installed in furnace roof below by base plate, furnace roof link plate, boatswain chair and the cylindrical shell link plate arranged successively from top to bottom, and described boatswain chair two ends are connected with cylindrical shell link plate with furnace roof link plate respectively by bearing pin.
Described furnace roof comprises furnace roof crossbeam and furnace roof cover plate, is provided with thermofin bottom described furnace roof cover plate.
Described furnace roof comprises furnace roof crossbeam and furnace roof cover plate, is provided with thermofin 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 comprises freezing air inlet pipe and warm air goes out pipe, described freezing air inlet pipe one end is connected with blower fan, the other end is connected with the import of air preheater, described warm 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.
Described air preheater is connected by crossover sub with between chimney, is provided with air door in described chimney.
Described radiation section inwall is provided with insulated lining.
Described furnace bottom is provided with extinguish steam mouth and manhole.
Compared with prior art, the invention has the advantages that:
1, a kind of asphalt heating kettle of the present invention, disc type helical heating pipe is provided with in its radiation section, and adopt the feeding manner of " bottom in and top out ", can effectively prevent from managing interior pitch generation coking phenomenon, actual use in find that process furnace runs 12 continuously and monthlyly do not produce coking phenomenon, within 3 months, just need carry out coke cleaning treatment and compare compared to original use and be greatly increased;
2, a kind of asphalt heating kettle of the present invention, it arranges air preheater between radiation section and chimney, high-temperature flue gas waste heat can be recycled, and is conducive to reducing funnel temperature, reduces flue gas to the pollution of environment;
3, a kind of asphalt heating kettle of the present invention, radiation extension is provided with between its radiation section and air preheater, the heat of burner combustion is after radiation section carries out radiative transfer, transmission of heat by convection is carried out under the effect of radiation extension pod, the heat that burning produces is fully used, and effectively improves the thermo-efficiency of process 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 pod in Fig. 1.
Fig. 3 is the vertical view of Fig. 2.
Wherein:
Radiation 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
Thermofin 1.3.3
Air preheater 2
Wind channel tube group 3
Freezing air inlet pipe 3.1
Warm air goes out pipe 3.2
Crossover sub 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-oven gas entrance 14
Burner air mouth 15
Extinguish steam mouth 16
Radiation extension 17
Pod 18
Circular shrouding 18.1
Cone 18.2
Cylindrical shell 18.3
Ring flat-plate 18.4
Cylindrical shell 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.
Embodiment
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 comprises radiation section 1 and chimney 5, air preheater 2 is provided with between described radiation section 1 and chimney 5, described radiation section 1 comprises furnace bottom 1.1, middle casing 1.2 and furnace roof 1.3, described furnace bottom 1.1 center is provided with burner 9, described burner 9 is provided with coke-oven gas entrance 14 and burner air mouth 15, disc type helical heating pipe 7 is provided with in described radiation section 1, the lower end that described disc type helical heating pipe 7 stretches out furnace bottom 1.1 is working medium import 11, the upper end that described disc type helical heating pipe 7 stretches out furnace roof 1.3 is sender property outlet 12, radiation extension 17 is provided with between described radiation section 1 and air preheater 2, pod 18 is provided with in described radiation extension 17,
Described furnace roof 1.3 comprises furnace roof crossbeam 1.3.1 and furnace roof cover plate 1.3.2, is provided with thermofin 1.3.3 bottom described furnace roof cover plate 1.3.2;
Described pod 18 comprises base plate 18.9, described base plate 18.9 is fixedly installed on furnace roof crossbeam 1.3.1, furnace roof link plate 18.8 is provided with 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 cylindrical shell link plate 18.5 by bearing pin 18.6, described cylindrical shell link plate 18.5 is provided with cylindrical shell 18.3, described cylindrical shell 18.3 lower end is provided with cone 18.2, described cone 18.2 lower end is provided with circular shrouding 18.1, described cylindrical shell 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 comprises freezing air inlet pipe 3.1 and warm air goes out pipe 3.2, described freezing 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 warm 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;
Described air preheater 2 is connected by crossover sub 4 with between chimney 5, is provided with air door 6 in described chimney 5;
Described radiation section 1 inwall is provided with insulated lining 8;
Described furnace bottom 1.1 is provided with extinguish steam mouth 16 and manhole 13.
In addition to the implementation, the present invention also includes other embodiments, the technical scheme that all employing equivalents or equivalent substitute mode are formed, within the protection domain that all should fall into the claims in the present invention.
Claims (10)
1. an asphalt heating kettle, it is characterized in that: it comprises radiation section (1) and chimney (5), air preheater (2) is provided with between described radiation section (1) and chimney (5), described radiation section (1) comprises furnace bottom (1.1), middle casing (1.2) and furnace roof (1.3), described furnace bottom (1.1) center is provided with burner (9), disc type helical heating pipe (7) is provided with in described radiation section (1), radiation extension (17) is provided with between described radiation section (1) and air preheater (2), pod (18) is provided with in described radiation extension (17).
2. a kind of asphalt heating kettle according to claim 1, it is characterized in that: described pod (18) comprises cylindrical shell (18.3), described cylindrical shell (18.3) lower end is provided with cone (18.2), described cone (18.2) lower end is provided with circular shrouding (18.1), described cylindrical shell (18.3) arranged outside has upper and lower two pieces of ring flat-plates (18.4), and described cone (18.2) and circular shrouding (18.1) medial surface are provided with the cast bed of material (18.10).
3. a kind of asphalt heating kettle according to claim 2, it is characterized in that: described cylindrical shell (18.3) is fixedly installed in furnace roof (1.3) below by base plate (18.9), furnace roof link plate (18.8), boatswain chair (18.7) and the cylindrical shell link plate (18.5) arranged successively from top to bottom, and described boatswain chair (18.7) two ends are connected with cylindrical shell link plate (18.5) with furnace roof link plate (18.8) respectively by bearing pin (18.6).
4. a kind of asphalt heating kettle according to claim 1, is characterized in that: described furnace roof (1.3) comprises 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 thermofin (1.3.3).
5. a kind of asphalt heating kettle according to claim 3, is characterized in that: described furnace roof (1.3) comprises 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 thermofin (1.3.3).
6. a kind of asphalt heating kettle according to claim 5, is characterized 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) comprises freezing air inlet pipe (3.1) and warm air goes out pipe (3.2), described freezing 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 warm 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, is characterized in that: be connected by crossover sub (4) between described air preheater (2) with chimney (5), be provided with air door (6) in described chimney (5).
9. a kind of asphalt heating kettle according to claim 1, is characterized in that: described radiation section (1) inwall is provided with insulated lining (8).
10. a kind of asphalt heating kettle according to claim 1, is characterized in that: described furnace bottom (1.1) is provided with extinguish steam mouth (16) and manhole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876490.6A CN105441100A (en) | 2015-12-03 | 2015-12-03 | Asphalt heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876490.6A CN105441100A (en) | 2015-12-03 | 2015-12-03 | Asphalt heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105441100A true CN105441100A (en) | 2016-03-30 |
Family
ID=55551751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510876490.6A Withdrawn CN105441100A (en) | 2015-12-03 | 2015-12-03 | Asphalt heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105441100A (en) |
-
2015
- 2015-12-03 CN CN201510876490.6A patent/CN105441100A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109681884B (en) | Solid organic waste pyrolysis furnace for combusting brown gas | |
| CN205155907U (en) | Blue charcoal dry coke quenching waste heat utilization equipment | |
| CN201983244U (en) | Quenching waste heat boiler | |
| CN205528604U (en) | Asphalr heating kettle | |
| CN105176560A (en) | Asphalt heating furnace | |
| CN105441100A (en) | Asphalt heating furnace | |
| CN105180653A (en) | Tube heating furnace | |
| CN207585343U (en) | A kind of U-shaped heat transfer coils heating furnace | |
| CN202328215U (en) | High-efficiency biomass fuel combustor | |
| CN201705294U (en) | Pipe type heating furnace | |
| CN104329654B (en) | Heat pipe quenching waste-heat recovery device in a kind of internal thermal upright carbonization furnace | |
| CN204400923U (en) | A kind of gasifying biomass multi-joint-production apparatus | |
| CN204268441U (en) | Heat pipe quenching waste-heat recovery device in a kind of internal thermal upright carbonization furnace | |
| CN103146414A (en) | Coking furnace for slowing down coking trend | |
| CN206143130U (en) | Vertical tar heating furnace of energy -saving lying pipe | |
| CN205192238U (en) | Pipe type heating furnace | |
| CN205953923U (en) | Take two -sided radiant coil structure of coke cleaning elbow | |
| CN218469572U (en) | High-temperature gas heating furnace | |
| CN209428462U (en) | A kind of coal tar dehydration preheating device using waste heat | |
| CN201343525Y (en) | Tubular oven for negative pressure benzene braising | |
| CN208136157U (en) | A kind of asphalt heating kettle that thermal effect is high | |
| CN201637094U (en) | Environment-friendly and energy-saving water heater without chimney | |
| CN104498074B (en) | A kind of heat-pipe heating type oil shale distillation coal mine gas technique | |
| CN110578027B (en) | Novel reformer for producing reducing gas | |
| CN220597278U (en) | Fatlute pyrolysis system based on multistage stove |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160330 |