CN204854376U - Oil refining heating furnace flue gas heat recovery utilizes device - Google Patents
Oil refining heating furnace flue gas heat recovery utilizes device Download PDFInfo
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- CN204854376U CN204854376U CN201520530562.7U CN201520530562U CN204854376U CN 204854376 U CN204854376 U CN 204854376U CN 201520530562 U CN201520530562 U CN 201520530562U CN 204854376 U CN204854376 U CN 204854376U
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- flue gas
- air
- heating furnace
- oil refining
- heat
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses an oil refining heating furnace flue gas heat recovery utilizes device, including oil refining heating furnace and flue gas recovery unit, flue gas recovery unit includes the convection chamber and sets up the air heater in the convection chamber, and air heater comprises many economizer bank intervals side by side, thereby oil refining heating furnace exhaust high temperature flue gas heats the economizer bank through the economizer bank, and the burn air of usefulness of conduct is sent into in the heating chamber of heating furnace to the outside air after the economizer bank heat exchange, effectively utilized the high temperature energy in the flue gas, has reduced the production energy consumption.
Description
Technical field
The utility model relates to a kind of refining equipment field, particularly relates to a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device.
Background technology
Oil refining crude oil or other greases is carried out distilling a kind of technique changing molecular structure, namely crude oil etc. is cracked into the fuel such as kerosene, gasoline, diesel oil, heavy oil meeting internal combustion engine and use.Traditional refining equipment mainly comprises heater, chimney and the body of heater for the crude oil of placing required refinery.In refinery process, Crude Oil Used as fuel in Pipeline produces heat heating furnace body in heater combustion, and the waste gas that burning produces is discharged by chimney.The air needed when shortcoming is that heater burns directly enters burning from the outside, because the air temperature of outside is lower, so how much can have impact to the temperature in combustion chamber, reduces the thermal efficiency; Waste gas (about 300 DEG C) after having burnt also directly enters air by chimney, does not carry out any utilization, causes the waste of heat energy.
Utility model content
Technical problem to be solved in the utility model is to provide one and has Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device, to Heat Loss in Oil Refining Heating Furnace flue discharge flue gas with heat recovery and utilization, reduce energy consumption.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device, comprise Heat Loss in Oil Refining Heating Furnace and flue gas recovery device, described flue gas recovery device comprises convection cell and is arranged on the air preheater in convection cell, air preheater is made up of many economizer bank spacing parallel arrangings, the Heat Loss in Oil Refining Heating Furnace high-temperature flue gas of discharging is through economizer bank thus heated by economizer bank, as the air burnt in the heating clamber that extraneous air is sent to heating furnace after air preheat tube heat exchange.Flue gas is introduced in convection cell, then enters in economizer bank.
The further preferred version of the utility model: described air preheater comprises two pieces of parallel division boards for fixed air economizer bank, the two ends of economizer bank are fixed on division board, region between two pieces of division boards is air heat region, the exterior lateral area of two pieces of division boards is flue gas collection area, described air heat region and described flue gas collection area mutual airtight isolated.In heat-pipe air preheater, flue gas and hot waste gas are walked at different flues respectively, and heat-transfer area ratio is easier to cleaning, and has stopped the leakage between air and hot waste gas completely and contacted, and eliminates the possibility that air preheater catches fire.
The further preferred version of the utility model: the top of convection cell has smoke inlet, the below of convection cell has exhanst gas outlet, the wherein side of convection cell is provided with air intake, the opposite side of convection cell is provided with air outlet slit, described flue gas collection area has two, be respectively flue gas collection area and lower flue gas collection area, smoke inlet is communicated with upper flue gas collection area, exhanst gas outlet is communicated with lower flue gas collection area, air intake and air outlet slit respectively with air heat regional connectivity.Flue gas collection area gathers together carrying the flue gas of coming, and then dispersion enters in each economizer bank, ensures that all economizer banks can be utilized.
The further preferred version of the utility model: flue gas flows through from economizer bank inside and heated by economizer bank, and extraneous air flows through the outer wall of economizer bank simultaneously, thus the temperature of extraneous air is raised.
The further preferred version of the utility model: economizer bank is the hollow metal pipe of both ends open, and division board has through hole, hollow metal pipe inserts in through hole, scribbles fluid sealant between the outer wall of hollow metal pipe and the hole wall of through hole.Install more convenient, by air heat region and flue gas collection area completely isolated.
The further preferred version of the utility model: two pieces of division boards are horizontally disposed with, and described economizer bank is extending longitudinally.High-temperature flue gas has the characteristic upwards flowed, and the approach of flue gas is set as flowing from top to bottom by the utility model, and the time that flue gas is stopped in economizer bank is relatively longer, and economizer bank can absorb the heat of flue gas more fully.
Every root economizer bank is with spiral-shaped distribution.The economizer bank of helical conformation, in a segment distance, exhaust gases passes path is longer, and more abundant with the contact of flue gas, flue gas is also longer through the time of economizer bank simultaneously, more can absorb the heat of flue gas fully, improves the utilization rate of flue gas heat further.
The further preferred version of the utility model: be provided with flue gas input channel before the flue of Heat Loss in Oil Refining Heating Furnace and smoke inlet, the level height of smoke inlet, lower than the level height of flue, flue is provided with air-introduced machine.The level height of smoke inlet, lower than the level height of flue, make the flow direction of flue gas be downward, and the characteristic of high-temperature flue gas up walks, and this can improve flue gas passing through in economizer bank and put into practice, and improves the absorption of flue gas heat.
The further preferred version of the utility model: be provided with smoke backflow pipeline between the flue of Heat Loss in Oil Refining Heating Furnace and exhanst gas outlet, the access port of smoke backflow pipeline on flue is positioned at above the access port of flue gas input channel on flue.Flue gas to be utilized with utilize complete flue gas mutually to disturb,
The further preferred version of the utility model: air intake is positioned at the lower position in described air heat region, air outlet slit is positioned at the upper position in air heat region, after the economizer bank heating of the air that air intake enters through front end, there is uniform temperature, air has upwards flow specific, corresponding to the layout of economizer bank, air after heating is gone out from upper position, improves the heat exchanger effectiveness of air.
Compared with prior art, the utility model has the advantages that economizer bank heats through economizer bank by high-temperature flue gas that Heat Loss in Oil Refining Heating Furnace discharges, as the air of burning in the heating clamber that extraneous air is sent to heating furnace after air preheat tube heat exchange, efficiently utilize the high temperature energy in flue gas, reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view at A place in Fig. 1;
Fig. 3 is the structural representation of flue gas recovery device in the utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figure 1, a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device, comprise Heat Loss in Oil Refining Heating Furnace 1 and flue gas recovery device 2, it is characterized in that flue gas recovery device 2 comprises convection cell 3 and is arranged on the air preheater 4 of in convection cell 3, air preheater 4 is made up of many economizer banks 5 spacing parallel arranging, economizer bank 5 heats through economizer bank 5 by the high-temperature flue gas that Heat Loss in Oil Refining Heating Furnace 1 is discharged, as the air burnt in the heating clamber 5 that extraneous air to be sent to heating furnace 1 after economizer bank 5 heat exchange.
As shown in Figure 1, Figure 2, Figure 3 shows, air preheater 4 comprises two pieces of parallel division boards 6 for fixed air economizer bank 5, the two ends of economizer bank 5 are fixed on division board 7, region between two pieces of division boards 7 is air heat region 8, the exterior lateral area of two pieces of division boards 6 is flue gas collection area 9, and air heat region 8 is mutual airtight isolated with flue gas collection area 9.The top of convection cell 3 has smoke inlet 10, the below of convection cell 3 has exhanst gas outlet 11, the wherein side of convection cell 3 is provided with air intake 12, the opposite side of convection cell 3 is provided with air outlet slit 13, flue gas collection area 9 has two, and be respectively flue gas collection area 91 and lower flue gas collection area 92, smoke inlet 10 is communicated with upper flue gas collection area 91, exhanst gas outlet 11 is communicated with lower flue gas collection area 92, and air intake 12 is communicated with air heat region 8 respectively with air outlet slit 13.Flue gas flows through from economizer bank 5 inside and is heated by economizer bank 5, and extraneous air flows through the outer wall of economizer bank 5 simultaneously, thus the temperature of extraneous air is raised.Economizer bank 5 is the hollow metal pipe 51 of both ends open, division board 6 has through hole 14, and hollow metal pipe 51 to insert in through hole 14, scribbles fluid sealant (accompanying drawing does not show) between the outer wall 15 of hollow metal pipe 51 and the hole wall 16 of through hole 14.Two pieces of division boards 6 are horizontally disposed with, and economizer bank 5 is extending longitudinally.As shown in Figure 3, every root economizer bank 5 is with spiral-shaped distribution.
As shown in Figure 1 and Figure 2, be provided with flue gas input channel 18 between the flue 17 of Heat Loss in Oil Refining Heating Furnace 1 and smoke inlet 10, the level height of smoke inlet 10, lower than the level height of flue 17, flue 18 is provided with air-introduced machine 19.Be provided with smoke backflow pipeline 20 between the flue 17 of Heat Loss in Oil Refining Heating Furnace 1 and exhanst gas outlet 11, the access port of smoke backflow pipeline 20 on flue 17 is positioned at above the access port of flue gas input channel 18 on flue 17.Air intake 12 is positioned at the lower position in described air heat region 8, and air outlet slit 13 is positioned at the upper position in air heat region 8.
Above a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device provided by the utility model is described in detail, apply specific case herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands the utility model and core concept for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (10)
1. a Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device, comprise Heat Loss in Oil Refining Heating Furnace and flue gas recovery device, it is characterized in that described flue gas recovery device comprises convection cell and is arranged on the air preheater in convection cell, air preheater is made up of many economizer bank spacing parallel arrangings, the Heat Loss in Oil Refining Heating Furnace high-temperature flue gas of discharging is through economizer bank thus heated by economizer bank, as the air burnt in the heating clamber that extraneous air is sent to heating furnace after air preheat tube heat exchange.
2. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 1, it is characterized in that described air preheater comprises two pieces of parallel division boards for fixed air economizer bank, the two ends of economizer bank are fixed on division board, region between two pieces of division boards is air heat region, the exterior lateral area of two pieces of division boards is flue gas collection area, described air heat region and described flue gas collection area mutual airtight isolated.
3. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 2, it is characterized in that the top of convection cell has smoke inlet, the below of convection cell has exhanst gas outlet, the wherein side of convection cell is provided with air intake, the opposite side of convection cell is provided with air outlet slit, described flue gas collection area has two, be respectively flue gas collection area and lower flue gas collection area, smoke inlet is communicated with upper flue gas collection area, exhanst gas outlet is communicated with lower flue gas collection area, air intake and air outlet slit respectively with air heat regional connectivity.
4. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 3, it is characterized in that flue gas flows through from economizer bank inside economizer bank is heated, extraneous air flows through the outer wall of economizer bank simultaneously, thus the temperature of extraneous air is raised.
5. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 4, it is characterized in that economizer bank is the hollow metal pipe of both ends open, division board has through hole, hollow metal pipe inserts in through hole, scribbles fluid sealant between the outer wall of hollow metal pipe and the hole wall of through hole.
6. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 5, it is characterized in that two pieces of division boards are horizontally disposed with, described economizer bank is extending longitudinally.
7. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 6, is characterized in that every root economizer bank is with spiral-shaped distribution.
8. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 3, flue gas input channel is provided with before it is characterized in that the flue of Heat Loss in Oil Refining Heating Furnace and smoke inlet, the level height of smoke inlet, lower than the level height of flue, flue is provided with air-introduced machine.
9. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 8, it is characterized in that being provided with smoke backflow pipeline between the flue of Heat Loss in Oil Refining Heating Furnace and exhanst gas outlet, the access port of smoke backflow pipeline on flue is positioned at above the access port of flue gas input channel on flue.
10. a kind of Heat Loss in Oil Refining Heating Furnace flue gas heat recycle device according to claim 9, it is characterized in that air intake is positioned at the lower position in described air heat region, air outlet slit is positioned at the upper position in air heat region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530562.7U CN204854376U (en) | 2015-07-21 | 2015-07-21 | Oil refining heating furnace flue gas heat recovery utilizes device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530562.7U CN204854376U (en) | 2015-07-21 | 2015-07-21 | Oil refining heating furnace flue gas heat recovery utilizes device |
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| CN204854376U true CN204854376U (en) | 2015-12-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990422A (en) * | 2015-07-21 | 2015-10-21 | 宁波博汇化工科技股份有限公司 | Smoke heat recycling device for oil refining heating furnace |
| CN115325835A (en) * | 2022-08-13 | 2022-11-11 | 长春工业大学 | Argon-oxygen supply control equipment for refining ferrochrome and use method thereof |
-
2015
- 2015-07-21 CN CN201520530562.7U patent/CN204854376U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990422A (en) * | 2015-07-21 | 2015-10-21 | 宁波博汇化工科技股份有限公司 | Smoke heat recycling device for oil refining heating furnace |
| CN115325835A (en) * | 2022-08-13 | 2022-11-11 | 长春工业大学 | Argon-oxygen supply control equipment for refining ferrochrome and use method thereof |
| CN115325835B (en) * | 2022-08-13 | 2024-05-03 | 长春工业大学 | Argon oxygen supply control equipment for ferrochrome refining and use method thereof |
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