CN203284371U - Double-sided radiant tube type heating furnace - Google Patents
Double-sided radiant tube type heating furnace Download PDFInfo
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- CN203284371U CN203284371U CN201320145526XU CN201320145526U CN203284371U CN 203284371 U CN203284371 U CN 203284371U CN 201320145526X U CN201320145526X U CN 201320145526XU CN 201320145526 U CN201320145526 U CN 201320145526U CN 203284371 U CN203284371 U CN 203284371U
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- radiation chamber
- burner
- heating furnace
- side wall
- double
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 25
- 230000005855 radiation Effects 0.000 claims abstract description 105
- 238000004939 coking Methods 0.000 abstract description 15
- 230000003111 delayed effect Effects 0.000 abstract description 4
- 239000000295 fuel oil Substances 0.000 abstract description 3
- 239000003208 petroleum Substances 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 239000002994 raw material Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001698 pyrogenic effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a two-sided radiant tube heating furnace for delayed coking belongs to the petroleum processing field. Two-sided radiant tube formula heating furnace, including chimney, convection current room, flue, radiation chamber, furnace, boiler tube and combustor, the radiation chamber includes the radiation chamber side wall, the radiation chamber side wall symmetry sets up, the radiation chamber side wall is the broken line form by last to down, includes inclined wall and lower inclined wall in order. The utility model discloses an adopt the radiation room side wall of double inclined plane cascaded structure, improved the distribution of radiation room upper and lower part boiler tube surface heat intensity and the furnace in the homogeneity that the flue gas flows, slowed down boiler tube coking speed, prolonged the operation cycle of heating furnace, improved the suitability of processing heavy oil inferior.
Description
Technical field
The utility model belongs to the refining of petroleum field, and particularly a kind of double-surface radiant tube type heating furnace, be used for delayed coking.
Background technology
In refining of petroleum, coking refers generally to the process of organic substance carbonization zoom.Process furnace is the important device of delayed coking, and main task is to reach the pyrogenic reaction temperature for raw material provides enough heats, and controls pyrogenic reaction and be deferred in coke drum and carry out.
The process furnace of delayed coking commonly used is monocline face staged process furnace at present.The radiation chamber side wall of the monocline face staged process furnace structure that to be monocline wall construction or monocline wall be connected in turn with stalk, burner is arranged on the boiler tube both sides, and is wall-attached burner.
In realizing process of the present utility model, find that there is following problem at least in prior art: be subject to the restriction of said structure, monocline face stepped furnace conducts heat and is assigned limitation the radiating furnace tube top and the bottom, has limited the further raising of boiler tube evenly heat intensity.
The utility model content
In order to solve the structural limitations of prior art monocline face staged process furnace, improve the homogeneity of delay coking heating furnace top and the bottom boiler tube surface heat intensity distribution, slow down the coking speed of boiler tube, the utility model embodiment provides a kind of double-surface radiant tube type heating furnace, and described technical scheme is as follows:
described process furnace comprises chimney, convection chamber, flue, radiation chamber, burner hearth, boiler tube and burner, described radiation chamber comprises the radiation chamber side wall, described convection chamber is located at the position between described chimney and described radiation chamber, described convection chamber is connected with described radiation chamber by described flue, described radiation chamber comprises at least one burner hearth, the described boiler tube of vertical equity spread configuration in described radiation chamber, described burner is arranged at described radiation chamber side wall bottom, described radiation chamber side wall is symmetrical arranged, described radiation chamber side wall is polyline shaped from top to bottom, comprise in turn sloping core and lower sloping core.
Preferably, described upper sloping core height is 1-4m, tilt in described radiation chamber, and with the vertical line angle be 3-35 °.
Preferably, described lower sloping core height is 2-5m, tilt in described radiation chamber, and with the vertical line angle be 3-25 °.
Preferably, described burner axially evenly arranging along described boiler tube.
Concrete, described burner is wall-attached burner.
Concrete, the burner port of described wall-attached burner tilts to described lower sloping core direction, and with the vertical line angle greater than 0 ° less than or equal to 30 °.
Preferably, the flame height of described wall-attached burner is 1.5-4m.
further, described process furnace, comprise chimney, convection chamber, flue, radiation chamber, burner hearth, boiler tube and burner, described radiation chamber comprises the radiation chamber side wall, described convection chamber is located at the position between described chimney and described radiation chamber, described convection chamber is connected with described radiation chamber by described flue, described radiation chamber comprises at least one burner hearth, the described boiler tube of vertical equity spread configuration in described radiation chamber, described burner is arranged at described burner hearth bottom, and along axially evenly arranging of described boiler tube, it is characterized in that, described radiation chamber side wall is symmetrical arranged, described radiation chamber side wall is polyline shaped from top to bottom, comprise in turn sloping core and lower sloping core.
Concrete, described burner is to combust burner in the end.
Concrete, the burner port that the described end combusts burner tilts to described lower sloping core direction, and with the vertical line angle greater than 0 ° less than or equal to 30 °.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is: the utility model adopts the double-surface radiant tube type heating furnace of above-mentioned structure, the distribution of radiation chamber upper and lower part boiler tube surface heat intensity and the homogeneity of the interior flow of flue gas of burner hearth have been improved, reduced boiler tube peak heat intensity, thereby slowed down tube coking speed, extend the operational cycle of process furnace, improved the suitability of processing inferior heavy oil.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the double-surface radiant tube type heating furnace structural representation that the utility model embodiment provides.
In figure, each symbolic representation implication is as follows:
1 chimney, 2 convection chambers, 3 flues, 4 radiation chambers, 5 burner hearths, 6 boiler tubes, 7 burners, sloping core on 8,9 times sloping cores, 10 radiation chamber side walls.
Embodiment
, for making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
as shown in Figure 1, a kind of double-surface radiant tube type heating furnace, comprise chimney 1, convection chamber 2, flue 3, radiation chamber 4, burner hearth 5, boiler tube 6 and burner 7, described radiation chamber comprises radiation chamber side wall 10, described convection chamber 2 is located at the position between described chimney 1 and described radiation chamber 4, described convection chamber 2 is connected with radiation chamber 4 by flue 3, described radiation chamber 4 comprises at least one burner hearth 5, the interior vertical equity spread configuration of described radiation chamber 4 boiler tube 6, described burner 7 is arranged at described radiation chamber side wall 10 bottoms, described radiation chamber side wall 10 is symmetrical arranged, and described radiation chamber side wall 10 is polyline shaped from top to bottom, comprise in turn sloping core 8 and lower sloping core 9.
Described radiation chamber side wall 10 adopts the stepped structure of diclinic wall, improved the distribution of radiation chamber 4 upper and lower part boiler tube 6 surface heat intensity, boiler tube 6 evenly heat intensity have been improved, peak heat intensity decreases, thereby slowed down tube coking, extend the operational cycle of process furnace, improved the suitability of processing inferior heavy oil.
Preferably, described upper sloping core 8 is highly 1-4m, to the interior inclination of described radiation chamber 4, and with the vertical line angle be 3-35 °; Described lower sloping core 9 is highly 2-5m, to the interior inclination of described radiation chamber 4, and with the vertical line angle be 3-25 °.Upper sloping core 8 is positioned at the top of radiation chamber 4, lower sloping core 9 is positioned at the bottom of radiation chamber 4, when the flame of designed combustion device 7 was longer, boiler tube 6 middle and upper part hot strengths increased, in the process of design, described lower sloping core 9 is reduced with the vertical line angle, upper sloping core 8 increases with the vertical line angle, thereby reduces radiation chamber 4 upper smoke gas eddy streams, reduces the peak heat intensity of boiler tube 6, reduce the inner membrance peak temperature, slow down tube coking speed.
In utilization, sloping core 8 and lower sloping core 9 coordinate the rational deployment of burner 7, improve the distribution of radiation chamber 4 upper and lower part boiler tube 6 surface heat intensity, slow down the speed of raw material coking in process furnace.
Preferably, described burner 7 axially evenly arranging along described boiler tube 6.Guarantee heat axially can be uniformly distributed at boiler tube 6 that burner 7 discharges.
Preferably, described burner 7 is wall-attached burner, is suitable for being arranged on the bottom of described radiation chamber side wall 10.
Preferably, the burner port of described wall-attached burner tilts to described lower sloping core 9 directions, and with the vertical line angle be greater than 0 ° less than or equal to 30 °, avoid burner 7 flames to attack boiler tube 6 in retaliation, cause boiler tube 6 local temperatures too high, make the raw material coking.
Preferably, the flame height of described wall-attached burner is 1.5-4m, coordinates height and the angle of inclination of described upper sloping core 8 and lower sloping core 9, guarantees that top and the bottom boiler tube 6 can be heated evenly, and prevents the coking of boiler tube 6 interior raw materials.
further, a kind of double-surface radiant tube type heating furnace, comprise chimney 1, convection chamber 2, flue 3, radiation chamber 4, burner hearth 5, boiler tube 6 and burner 7, described radiation chamber comprises radiation chamber side wall 10, described convection chamber 2 is located at the position between described chimney 1 and described radiation chamber 4, described convection chamber 2 is connected with radiation chamber 4 by flue 3, described radiation chamber 4 comprises at least one burner hearth 5, the interior vertical equity spread configuration of described radiation chamber 4 boiler tube 6, described burner 7 is arranged at described burner hearth 6 bottoms, described radiation chamber side wall 10 is symmetrical arranged, and described radiation chamber side wall 10 is polyline shaped from top to bottom, comprise in turn sloping core 8 and lower sloping core 9.
Concrete, described burner 7 combusts burner the end of for.Be suitable for being arranged on the bottom of described burner hearth 5.
Concrete, the burner port that the described end combusts burner tilts to described lower sloping core 9 directions, and with the vertical line angle greater than 0 ° less than or equal to 30 °, avoid burner 7 flames directly to flutter boiler tube 6, cause boiler tube 6 local temperatures too high, make the raw material coking.
Embodiment 1
Referring to Fig. 1, the utility model embodiment provides a kind of double-surface radiant tube type heating furnace, comprises chimney 1, convection chamber 2, flue 3, burner hearth 5, radiation chamber 4, boiler tube 6, burner 7 and radiation chamber side wall 10.Described convection chamber 2 is located at the position between described chimney 1 and described radiation chamber 4, and described convection chamber 2 is connected with radiation chamber 4 by flue 3, and described radiation chamber 4 comprises two burner hearths 5,20 of the interior vertical equity spread configurations of each burner hearth 5
Boiler tube 7.Described burner 7 is wall-attached burner, and is arranged at described radiation chamber side wall 10 bottoms, and along axially evenly arranging of boiler tube 6, burner 7 downward sloping core 9 directions of outlet tilt, and with the angle of vertical line be 22 °.Described radiation chamber side wall 10 is symmetrical arranged, and described radiation chamber side wall 10 is polyline shaped from top to bottom, comprises in turn sloping core 8 and lower sloping core 9, and described upper sloping core 8 is highly 2.5m, and upper sloping core 8 is 17 ° with the vertical line angle; Described lower sloping core 9 is highly 3.5m, and lower sloping core 9 is 7 ° with the vertical line angle.
Embodiment 2
Referring to Fig. 1, the utility model embodiment provides a kind of double-surface radiant tube type heating furnace, comprises chimney 1, convection chamber 2, flue 3, burner hearth 5, radiation chamber 4, boiler tube 6, burner 7 and radiation chamber side wall 10.Described convection chamber 2 is located at the position between described chimney 1 and described radiation chamber 4, and described convection chamber 2 is connected with radiation chamber 4 by flue 3, and described radiation chamber 4 comprises four burner hearths 5,20 of the interior vertical equity spread configurations of each burner hearth 5
Boiler tube 7.Described burner 7 is for the end combusts burner, and is arranged at described burner hearth 6 bottoms, and along axially evenly arranging of boiler tube 6, burner 7 downward sloping core 9 directions of outlet tilt, and with the angle of vertical line be 25 °.Described radiation chamber side wall 10 is symmetrical arranged, and described radiation chamber side wall 10 is polyline shaped from top to bottom, comprises in turn sloping core 8 and lower sloping core 9, and described upper sloping core 8 is highly 1.5m, and upper sloping core 8 is 13 ° with the vertical line angle; Described lower sloping core 9 is highly 4.5m, and lower sloping core 9 is 3 ° with the vertical line angle.
Embodiment 3
Referring to Fig. 1, the utility model embodiment provides a kind of double-surface radiant tube type heating furnace, comprises chimney 1, convection chamber 2, flue 3, burner hearth 5, radiation chamber 4, boiler tube 6, burner 7 and radiation chamber side wall 10.Described convection chamber 2 is located at the position between described chimney 1 and described radiation chamber 4, and described convection chamber 2 is connected with radiation chamber 4 by flue 3, and described radiation chamber 4 comprises six burner hearths 5,20 of the interior vertical equity spread configurations of each burner hearth 5
Boiler tube 7.Described burner 7 is wall-attached burner, and is arranged at described radiation chamber side wall 10 bottoms, and along axially evenly arranging of boiler tube 6, burner 7 downward sloping core 9 directions of outlet tilt, and with the angle of vertical line be 23 °.Described radiation chamber side wall 10 is symmetrical arranged, and described radiation chamber side wall 10 is polyline shaped from top to bottom, comprises in turn sloping core 8 and lower sloping core 9, and described upper sloping core 8 is highly 2m, and upper sloping core 8 is 15 ° with the vertical line angle; Described lower sloping core 9 is highly 4m, and lower sloping core 9 is 5 ° with the vertical line angle.
Expect as those skilled in the art, the height of the number of degrees, upper sloping core and the lower sloping core of the angle of the downward sloping core direction inclination of quantity, the burner outlet of the boiler tube that arranges in the quantity of radiation chamber internal furnace, each burner hearth and vertical line, and with the parameters such as the number of degrees of vertical line angle, can arrange according to actual needs.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. double-surface radiant tube type heating furnace, comprise chimney, convection chamber, flue, radiation chamber, burner hearth, boiler tube and burner, described radiation chamber comprises the radiation chamber side wall, described convection chamber is located at the position between described chimney and described radiation chamber, described convection chamber is connected with described radiation chamber by described flue, described radiation chamber comprises at least one burner hearth, the described boiler tube of vertical equity spread configuration in described radiation chamber, described burner is arranged at described radiation chamber side wall bottom, it is characterized in that, described radiation chamber side wall is symmetrical arranged, described radiation chamber side wall is polyline shaped from top to bottom, comprise in turn sloping core and lower sloping core.
2. double-surface radiant tube type heating furnace according to claim 1, is characterized in that, described upper sloping core height is 1-4m, tilt in described radiation chamber, and with the vertical line angle be 3-35 °.
3. double-surface radiant tube type heating furnace according to claim 1, is characterized in that, described lower sloping core height is 2-5m, tilt in described radiation chamber, and with the vertical line angle be 3-25 °.
4. double-surface radiant tube type heating furnace according to claim 1, is characterized in that, described burner axially evenly arranges along described boiler tube.
5. double-surface radiant tube type heating furnace according to claim 1, is characterized in that, described burner is wall-attached burner.
6. double-surface radiant tube type heating furnace according to claim 5, is characterized in that, the burner port of described wall-attached burner tilts to described lower sloping core direction, and with the vertical line angle greater than 0 ° less than or equal to 30 °.
7. double-surface radiant tube type heating furnace according to claim 5, is characterized in that, the flame height of described wall-attached burner is 1.5-4m.
8. double-surface radiant tube type heating furnace, comprise chimney, convection chamber, flue, radiation chamber, burner hearth, boiler tube and burner, described radiation chamber comprises the radiation chamber side wall, described convection chamber is located at the position between described chimney and described radiation chamber, described convection chamber is connected with described radiation chamber by described flue, described radiation chamber comprises at least one burner hearth, the described boiler tube of vertical equity spread configuration in described radiation chamber, described burner is arranged at described burner hearth bottom, and along axially evenly arranging of described boiler tube, it is characterized in that, described radiation chamber side wall is symmetrical arranged, described radiation chamber side wall is polyline shaped from top to bottom, comprise in turn sloping core and lower sloping core.
9. double-surface radiant tube type heating furnace according to claim 8, is characterized in that, described burner is to combust burner in the end.
10. double-surface radiant tube type heating furnace according to claim 9, is characterized in that, the burner port that the described end combusts burner tilts to described lower sloping core direction, and with the vertical line angle greater than 0 ° less than or equal to 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320145526XU CN203284371U (en) | 2013-03-27 | 2013-03-27 | Double-sided radiant tube type heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320145526XU CN203284371U (en) | 2013-03-27 | 2013-03-27 | Double-sided radiant tube type heating furnace |
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| Publication Number | Publication Date |
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| CN203284371U true CN203284371U (en) | 2013-11-13 |
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| CN201320145526XU Expired - Fee Related CN203284371U (en) | 2013-03-27 | 2013-03-27 | Double-sided radiant tube type heating furnace |
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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 |
| CN104896926A (en) * | 2015-06-01 | 2015-09-09 | 北京中科诚毅科技发展有限公司 | Novel heating furnace with multi-hearth structure |
| CN105276986A (en) * | 2015-11-04 | 2016-01-27 | 苏俊兰 | Efficient uniform heating tube heating furnace |
| CN108240766A (en) * | 2016-12-23 | 2018-07-03 | 中国石化工程建设有限公司 | Reforming furnace |
| CN110373224A (en) * | 2019-07-11 | 2019-10-25 | 中国神华煤制油化工有限公司 | A kind of method of anti-heavy distillate heating coking |
-
2013
- 2013-03-27 CN CN201320145526XU patent/CN203284371U/en not_active Expired - Fee Related
Cited By (7)
| 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 |
| CN104896926A (en) * | 2015-06-01 | 2015-09-09 | 北京中科诚毅科技发展有限公司 | Novel heating furnace with multi-hearth structure |
| CN105276986A (en) * | 2015-11-04 | 2016-01-27 | 苏俊兰 | Efficient uniform heating tube heating furnace |
| CN108240766A (en) * | 2016-12-23 | 2018-07-03 | 中国石化工程建设有限公司 | Reforming furnace |
| CN108240766B (en) * | 2016-12-23 | 2019-10-29 | 中国石化工程建设有限公司 | Reforming furnace |
| CN110373224A (en) * | 2019-07-11 | 2019-10-25 | 中国神华煤制油化工有限公司 | A kind of method of anti-heavy distillate heating coking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20210327 |
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| CF01 | Termination of patent right due to non-payment of annual fee |