CN102878807A - Flame heating furnace - Google Patents
Flame heating furnace Download PDFInfo
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- CN102878807A CN102878807A CN2011101924959A CN201110192495A CN102878807A CN 102878807 A CN102878807 A CN 102878807A CN 2011101924959 A CN2011101924959 A CN 2011101924959A CN 201110192495 A CN201110192495 A CN 201110192495A CN 102878807 A CN102878807 A CN 102878807A
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Abstract
The invention discloses a flame heating furnace, comprising radiation chambers, radiation chamber sides, wall radiation tubes, combustors and funnels, and characterized in that the included angle between the radiation chamber side walls and the horizontal direction is from five to thirty degrees and a furnace wall radiation tunnel, which has an inverted trapezoidal section or an inverted triangle section and is closed in three sides, is formed between the two radiation chambers. The smoke temperature field inside the radiation chambers and the heat intensity of the radiation tubes are uniformly distributed, and the heat transfer efficiency is higher.
Description
Technical field
The invention belongs to petroleum chemical industry flame heating furnace technical field, relate to a kind of lying pipe flame heating furnace that the devices such as delayed coking, high-pressure hydrogenation adopt.
Background technology
The device such as petroleum chemical industry delayed coking, hydrogenation extensively adopts flame heating furnace, and wherein the single lying pipe double-side radiation type of furnace is one of type of furnace wherein.The great advantage of single lying pipe Double side radiant furnace can obtain higher evenly heat intensity exactly in the situation that high-heat strength does not transfinite, shorten the boiler tube total length and reduce elbow quantity, thereby obtain minimum pressure drop.
" tubular heater " second edition of Qian Jialin chief editor, Sinopec publishing house published in 2003, introduced a kind of box lying pipe vertical heater for the 8th page, it is row's transverse tube in the middle of this vertical heater burner hearth, the flame attached wall is burning upwards, and is red the wall of the vertical side wall in two sides burning, makes wall with flues become good heat radiator, to improve the effect of radiant heat transfer, conduct heat much even than other type of furnaces.This type of furnace is the main flow type of furnace of the devices such as delayed coking, high-pressure hydrogenation at present.
" tubular heater " second edition of Qian Jialin chief editor, Sinopec publishing house published in 2003, introduced a kind of stepped furnace for the 9th page, the side wall of stepped furnace is that classification is tilted, the burner that one row produces flat attached wall flame is installed in the bottom of every grade " ladder ", flame attached wall face and on, burn the wall of two sides side wall red, make wall with flues become good heat radiator, reach the purpose of uniformly transfer heat.This type of furnace is used more in the reburner of the devices such as hydrogen manufacturing, synthetic ammonia, methyl alcohol.The concept of stepped furnace is the earliest by proposing in the US Patent No. 3230052 " Terraced Heaters " of 1966.1.18 issue.
Patent " Novel horizontal pipe double face radiant tube type heating-furnace " (ZL 200820123535.8) has proposed a kind of Novel horizontal pipe double face radiant tube type heating-furnace, and described radiation chamber side wall is for being obliquely installed, and the side wall bottom also is provided with one section vertical wall.This type of furnace is compared with conventional levels pipe double-side radiation batch-type furnace, and the interior flue-gas temperature field of radiation chamber, radiant tube calorific intensity distribute more even, has improved radiant heat transfer and the convection heat transfer' heat-transfer by convection efficient of radiant tube.
Patent " double-fired horizontal tube heater " (ZL 00813513.4), a kind of double-fired horizontal tube heater has been proposed, this stove furnace roof has a longitudinal opening, radiant tube and pipe supporter can be used as an integral body by the longitudinal opening lifting at radiant section top, and the pipe support column stretches out furnace roof.
" application of double-side radiation stepped furnace on delayed coking unit " that Liang Wenbin writes, petrochemical equipment technology, 2010, the 3rd phase, 44～48 pages of introductions, certain factory's delayed coking unit coking heater adopts the double-side radiation stepped furnace, and every heating furnace is comprised of 6 radiation chambers, 1 convection cell.Processing medium divide 6 tube sides through convection cell enter radiant box will be heated to the operation temperature required.Every tube side radiant coil is arranged in the independent radiant box will.6 radiation chamber side walls of arranging separately are tilt layout, and side wall integral body is to the burner hearth intermediate, inclined, and boiler tube is arranged in the centre of burner hearth.Burner arrangement is in the side wall bottom, and flame carries out radiant heat transfer by red-hot refractory brick and tapetum fibrosum to radiant tube along the side wall burning of tilting.Flue-gas temperature field, radiant tube calorific intensity skewness in the prior art ubiquity radiation chamber, the inefficient shortcoming of the radiant heat transfer of radiant tube and convection heat transfer' heat-transfer by convection.
Summary of the invention
The purpose of this invention is to provide a kind of flame heating furnace, overcome flue-gas temperature field, radiant tube calorific intensity skewness in the prior art ubiquity radiation chamber, the inefficient shortcoming of the radiant heat transfer of radiant tube and convection heat transfer' heat-transfer by convection.
A kind of flame heating furnace of the present invention is comprised of radiation chamber, radiation chamber side, wall radiant tube, burner and chimney, it is characterized in that: the angle of radiation chamber side wall and horizontal direction is 5 °～30 °.
Described radiation chamber is the radial room that is set up in parallel, two radiation chamber top UNICOMs, the adjacent side wall of two radiation chambers base spacing 0～300mm, the heat radiation tunnel, furnace wall that inverted trapezoidal cross section of formation or del cross section, three side sealing close between two radiation chambers.
Described radiation chamber alope sidewall bottom is provided with wall-attached burner, and the flame attached wall is burning upwards.
Described heating furnace also is provided with blast of heating furnace, it is got the air port and is arranged in the heat radiation tunnel, furnace wall that the inverted trapezoidal cross section that forms between two radiation chambers or del cross section, three side sealing close, and particularly is arranged on an end in the heat radiation tunnel, furnace wall that the inverted trapezoidal cross section that forms between two radiation chambers or del cross section, three side sealing close.
The radiation chamber side wall is that del or inverted trapezoidal are arranged, the angle of inclination is 5 °～30 °, row's wall-attached burner is installed in radiation chamber sloping core bottom, the flame attached wall is burning upwards, burn the wall of sloping core red, make side wall become good heat radiator, to the radiating furnace tube uniformly transfer heat that is positioned at the burner hearth centre, thereby improve the uniformity that the radiating furnace tube calorific intensity distributes.Radial room is set up in parallel, top UNICOM, every surface radiation chamber side wall integral body radiation chamber centroclinal under separately, the adjacent side wall of two radiation chambers base spacing be greater than 300mm, forms the heat radiation tunnel, furnace wall that an inverted trapezoidal cross section or del cross section, three side sealing close between two radiation chambers.The present invention compared with prior art has the following advantages
1) flue-gas temperature field, radiant tube calorific intensity distribute more evenly in the radiation chamber, and the radiant heat transfer of radiant tube and convection heat transfer' heat-transfer by convection efficient are higher.
2) heating furnace side sloping core is whole sloping core, and flame is along the burning of sloping core plane, and flame is more smooth, does not have the angle between " stalk " and " sloping core " to stop flame.In addition, also have " wind is got in the furnace wall " function, can effectively utilize the dissipated heat of heating furnace furnace wall.
3) furnace wall is got the wind function and had both been reduced furnace wall temperature, has improved again the temperature that air enters air preheater, has alleviated the low-temperature dew point corrosion tendency of air preheater, the more important thing is, improve the thermal efficiency of heating furnace, reduced fuel consumption, reduced fume emission.
Accompanying drawing and description of drawings
Following accompanying drawing signal has illustrated a kind of version of the present invention, but is not limited to this form.
Fig. 1 is a kind of flame heating furnace schematic diagram of the present invention;
Fig. 2 is another kind of flame heating furnace schematic diagram of the present invention
Fig. 3 is a kind of flame heating furnace application example schematic diagram of the present invention.
Fig. 4 another kind of flame heating furnace application example schematic diagram of the present invention.
Among the figure:
1, heating furnace, 2, wall-attached burner, 3, radiation chamber, 4, radiating furnace tube, 5, the radiating furnace tube pipe support,
6, inclined-plane side wall, 7, steel structure frame, 8, convection cell, 9, convection coil, 10, chimney, 11, get the wind air channel, 12, get the air port, 13, the heat radiation tunnel, furnace wall that closes of the three side sealing in inverted trapezoidal cross section or del cross section, 14, the end vertical openings, 15, vertical openings is sealed up a door, 16, hot-flow flue, 17, air preheater, 18, air blast, 19, air-introduced machine, 20, heating flue.
The specific embodiment
Fig. 1 is a kind of flame heating furnace schematic diagram of the present invention.Heating furnace 1 mainly is made of radial room 3, single convection cell 8, chimney 10.Other parts comprise: wall-attached burner 2, radiating furnace tube 4, radiating furnace tube pipe support 5, inclined-plane side wall 6, steel structure frame 7, convection coil 9, chimney 10, get wind air channel 11, get air port 12, heat radiation tunnel 13, furnace wall, end vertical openings 14, vertical openings that the three side sealing in inverted trapezoidal cross section closes seal up a door 15 and hot-flow flue 16.Radial room of the present invention 3 top UNICOMs, disjunctor arranges, inclined-plane, every surface radiation chamber side wall 6 integral body radiation chamber centroclinal under separately, radial room 3 adjacent side wall base spacing 100mm, forming a cross section between the radial room 3 is heat radiation tunnel 13, furnace wall inverted trapezoidal, that three side sealing closes, the air port 12 of getting of getting wind air channel 11 is arranged in the heat radiation tunnel 13, inverted trapezoidal furnace wall, and the angle of radiation chamber side wall and horizontal direction is 18 °.
Be illustrated in figure 2 as another kind of flame heating furnace schematic diagram of the present invention.Fig. 1 is a kind of Horizontal pipe double-radiation-chamber flame heating furnace schematic diagram of the present invention.Heating furnace 1 of the present invention is mainly by radial room 3, single convection cell 8, chimney 10, wall-attached burner 2, radiating furnace tube 4, radiating furnace tube pipe support 5, inclined-plane side wall 6, steel structure frame 7, convection coil 9, chimney 10, get wind air channel 11, get air port 12, the heat radiation tunnel 13, furnace wall that the three side sealing in del cross section closes, end vertical openings 14, vertical openings seals up a door 15 and hot-flow flue 16, radial room 3 of the present invention is set up in parallel, top UNICOM, inclined-plane, every surface radiation chamber side wall 6 integral body radiation chamber centroclinal under separately, the angle of radiation chamber side wall and horizontal direction is 20 °.
Be the application example of Fig. 1 of the present invention such as Fig. 3.Be comprised of heating furnace 1 of the present invention and residual neat recovering system, residual neat recovering system mainly comprises: get wind air channel 11, get air port 12, hot-flow flue 16, air preheater 17, air blast 18, air-introduced machine 19, heating flue 20, cold smoke road 21 consist of.During work, under the effect of air blast 18, surrounding air is behind the dissipated heat of heat radiation 13 interior absorption furnace walls, tunnel, the furnace wall inverted trapezoidal cross section, that three side sealing closes, temperature improves about 10～30 ℃, afterwards, enters and gets wind air channel 11 by getting air port 12, after air blast 18 pressurizations, enter air preheater 17, with from the hot flue gas of heating flue 20 after air preheater 17 interior heat exchange, enter hot-flow flue 16, it is combustion-supporting to enter afterwards wall-attached burner 2.
Be illustrated in figure 4 as the application example of Fig. 2 of the present invention.Fig. 2 is the application example of Fig. 1 Horizontal pipe double-radiation-chamber flame heating furnace of the present invention.Be comprised of heating furnace 1 of the present invention and residual neat recovering system, residual neat recovering system mainly comprises: get wind air channel 11, get air port 12, hot-flow flue 16, air preheater 17, air blast 18, air-introduced machine 19, heating flue 20, cold smoke road 21 consist of.During work, under the effect of air blast 18, surrounding air is behind the dissipated heat of heat radiation 13 interior absorption furnace walls, tunnel, the furnace wall del cross section, that three side sealing closes, temperature improves about 10～30 ℃, afterwards, enters and gets wind air channel 11 by getting air port 12, after air blast 18 pressurizations, enter air preheater 17, with from the hot flue gas of heating flue 20 after air preheater 17 interior heat exchange, enter hot-flow flue 16, it is combustion-supporting to enter afterwards wall-attached burner 2.
Claims (6)
1. flame heating furnace, formed by radiation chamber, radiation chamber side, wall radiant tube, burner and chimney, it is characterized in that: the angle of radiation chamber side wall and horizontal direction is 5 °～30 °, forms the heat radiation tunnel, furnace wall that closes in an inverted trapezoidal cross section or del cross section and three side sealing between two radiation chambers.
2. according to a kind of flame heating furnace claimed in claim 1, it is characterized in that: described radiation chamber side wall is centroclinal to radiation chamber.
3. according to a kind of flame heating furnace claimed in claim 1, it is characterized in that: described radiation chamber is the radial room that is set up in parallel, two radiation chamber top UNICOMs, the adjacent side wall of two radiation chambers base spacing 0～300mm.
4. according to a kind of flame heating furnace claimed in claim 1, it is characterized in that: described burner is radiation chamber alope sidewall bottom wall-attached burner, and the flame attached wall is burning upwards.
5. according to a kind of flame heating furnace claimed in claim 1, it is characterized in that: described heating furnace also is provided with blast of heating furnace, and it is got the air port and is arranged in the heat radiation tunnel, furnace wall that the inverted trapezoidal cross section that forms between two radiation chambers or del cross section, three side sealing close.
6. according to a kind of flame heating furnace claimed in claim 4, it is characterized in that: described blast of heating furnace is got the end that the air port is arranged on the heat radiation tunnel, furnace wall that the inverted trapezoidal cross section that forms between two radiation chambers or del cross section, three side sealing close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101924959A CN102878807A (en) | 2011-07-11 | 2011-07-11 | Flame heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101924959A CN102878807A (en) | 2011-07-11 | 2011-07-11 | Flame heating furnace |
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| CN102878807A true CN102878807A (en) | 2013-01-16 |
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| CN2011101924959A Pending CN102878807A (en) | 2011-07-11 | 2011-07-11 | Flame heating furnace |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194823A (en) * | 2014-09-16 | 2014-12-10 | 海工英派尔工程有限公司 | Feeding heating device of catalytic hydrogeneration equipment |
| CN104567440A (en) * | 2014-11-28 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Thermal energy recovery device and alignment film curing system |
| CN108253789A (en) * | 2017-12-18 | 2018-07-06 | 醴陵友立特种陶瓷有限公司 | Multiple preparing heat-accumulating ceramic product shuttle kiln |
Citations (4)
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| JP2003148299A (en) * | 2001-11-15 | 2003-05-21 | Hitachi Ltd | Fuel injection valve and internal combustion engine loaded with the same |
| CN201293545Y (en) * | 2008-11-03 | 2009-08-19 | 北京拓首科技发展有限公司 | Novel horizontal pipe double face radiant tube type heating-furnace |
| CN201852448U (en) * | 2010-10-29 | 2011-06-01 | 天津辰创环境工程科技有限责任公司 | Double-radiation-chamber overhead convection section energy-saving integrated heating furnace for producing methanol from coke-oven gas |
| CN202182627U (en) * | 2011-06-21 | 2012-04-04 | 中国石油化工股份有限公司 | Flame heating furnace for horizontal-tube bi-radial room |
-
2011
- 2011-07-11 CN CN2011101924959A patent/CN102878807A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003148299A (en) * | 2001-11-15 | 2003-05-21 | Hitachi Ltd | Fuel injection valve and internal combustion engine loaded with the same |
| CN201293545Y (en) * | 2008-11-03 | 2009-08-19 | 北京拓首科技发展有限公司 | Novel horizontal pipe double face radiant tube type heating-furnace |
| CN201852448U (en) * | 2010-10-29 | 2011-06-01 | 天津辰创环境工程科技有限责任公司 | Double-radiation-chamber overhead convection section energy-saving integrated heating furnace for producing methanol from coke-oven gas |
| CN202182627U (en) * | 2011-06-21 | 2012-04-04 | 中国石油化工股份有限公司 | Flame heating furnace for horizontal-tube bi-radial room |
Non-Patent Citations (1)
| Title |
|---|
| 梁文彬: "《双面辐射阶梯炉在延迟焦化装置上的应用》", 《石油化工设备技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104194823A (en) * | 2014-09-16 | 2014-12-10 | 海工英派尔工程有限公司 | Feeding heating device of catalytic hydrogeneration equipment |
| CN104194823B (en) * | 2014-09-16 | 2016-02-24 | 海工英派尔工程有限公司 | A kind of feed heating device of shortening equipment |
| CN104567440A (en) * | 2014-11-28 | 2015-04-29 | 合肥鑫晟光电科技有限公司 | Thermal energy recovery device and alignment film curing system |
| US9766020B2 (en) | 2014-11-28 | 2017-09-19 | Boe Technology Group Co., Ltd. | Heat recovery device and alignment film curing system |
| CN108253789A (en) * | 2017-12-18 | 2018-07-06 | 醴陵友立特种陶瓷有限公司 | Multiple preparing heat-accumulating ceramic product shuttle kiln |
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Application publication date: 20130116 |