CN201293545Y - Novel horizontal pipe double face radiant tube type heating-furnace - Google Patents
Novel horizontal pipe double face radiant tube type heating-furnace Download PDFInfo
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- CN201293545Y CN201293545Y CNU2008201235358U CN200820123535U CN201293545Y CN 201293545 Y CN201293545 Y CN 201293545Y CN U2008201235358 U CNU2008201235358 U CN U2008201235358U CN 200820123535 U CN200820123535 U CN 200820123535U CN 201293545 Y CN201293545 Y CN 201293545Y
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- radiation
- radiation chamber
- side wall
- novel horizontal
- tubular heater
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Abstract
The utility model discloses a novel horizontal pipe two-sided radiant tube type heating stove, including a radiation chamber, wherein, a radiant tube horizontally provided in the radiation chamber, a combusting device is also provided in the radiation chamber, a convection chamber is communicated to the top of the upper side of the radiation chamber, a convection tube is provided in the convection chamber, a chimney is provided on the top of the upper side of the convection chamber, the side wall of the radiation chamber is in sloped setting, the slope angle alpha of the side wall is 3-45 degrees, preferably 7-15 degrees, and optimally 10 degrees, a section of vertical wall is provided on the bottom of the side wall, the height of the vertical wall is 1/10-7/10 of the total height of the side wall. As the utility model has large economic and social benefits to oil refineries and petrochemical plants tubular oven energy-saving emission reduction, it will be widely used in a plurality of delayed coking heating stove, hydrogenation plant reaction charge-in heating stove and the like about to produce at home.
Description
Technical field
The utility model relates to oil plant and petrochemical plant tubular heater field, specifically, the utility model relates to the two-sided radiation tubular heater of novel horizontal tube of a kind of delay coking heating furnace, hydrogenation reaction charging heating furnace, visbreaking stove, normal vacuum furnace, asphalt heating kettle etc.
Background technology
The two-sided radiation tubular heater of horizontal tube that oil plant and petrochemical plant use at present all adopts the batch-type furnace type of furnace, concrete structure as shown in Figure 1, radiation chamber 3 is a cuboid box-shaped structure, radiant tube 2 (horizontal tube) is arranged in the centre of radiation chamber 3, arrange upwards burning of burner 1 in radiant tube 2 both sides of radiation chamber 3 bottoms, the connection of radiation chamber 3 tops is provided with convection cell 5, is provided with convection tube 4 in the convection cell 5, and the outlet of convection cell 5 is communicated with chimney 6.Because the characteristics of this kind furnace type structure, there is recirculating zone in the flue gas inevitably in 3 top corner places at radiation chamber, thereby cause flue-gas temperature and radiant tube 2 calorific intensity skewness in the radiation chamber 3, make the interior processing medium of pipe occur phenomenons such as thermal cracking, coking easily, furnace operation cycle and device product quality have been produced harmful effect, shorten radiant tube service life simultaneously and reduced the thermal efficiency of heating furnace practical operation, increased energy consumption, operating cost and the maintenance of equipment expense of device.
At the deficiency that above prior art exists, the special the utility model that proposes.
The utility model content
The purpose of this utility model is the deficiency that exists at prior art, the two-sided radiation tubular type of horizontal tube heating-furnace type structure is improved, thereby can overcome the above-mentioned shortcoming of the batch-type furnace type of furnace, providing a kind of has bigger economic benefit and the two-sided radiation tubular heater of the novel horizontal tube of social benefit to oil plant and the energy-saving and emission-reduction of petrochemical plant tubular heater.
For realizing above-mentioned utility model purpose, the technical scheme of the two-sided radiation tubular heater of novel horizontal tube provided by the utility model is: the two-sided radiation tubular heater of a kind of novel horizontal tube, include radiation chamber, be horizontally disposed with radiant tube in the radiation chamber, also be provided with burner in the radiation chamber, the radiation chamber upper end is communicated with convection cell, is provided with convection tube in the convection cell, the convection cell upper end is provided with chimney, and described radiation chamber side wall is for being obliquely installed.
The further optimal technical scheme that the utility model provides is: the angle of inclination a of described side wall is 3 °-45 °, the angle of inclination a of side wall be 7 °-15 ° preferable, a is 10 ° and is best technical schemes.
Another optimal technical scheme that the utility model provides is: described side wall bottom also is provided with one section vertical wall, and the vertical wall height is between the 1/10-7/10 of side wall total height.
Another optimal technical scheme that the utility model provides is: described radiation chamber upper end is communicated with convection cell, be provided with convection tube in the convection cell, the convection cell upper end is provided with chimney, each radiation chamber can be provided with a convection cell separately, or plural radiation chamber is provided with a convection cell jointly, or plural radiation chamber is provided with convection cell in parallel more than two jointly.
Another optimal technical scheme that the utility model provides is: described burner is provided with on the side wall or the radiation chamber bottom, described burner arrangement spacing be along vertical cross-section horizontal direction 0.8-2 rice/, described burner arrangement spacing the best be along vertical cross-section horizontal direction 1.2-1.7 rice/.
At last, described radiant tube can adopt top suspension type supporting structure or lower support structure part, and supporting structure adopts heat-resistant high alloy steel static casting part or heat-resistant high alloy steel centrifugal casting pipe.
The beneficial effects of the utility model are:
1, flow of flue gas is approximately laminar flow in the radiation chamber, avoided batch-type furnace radiation chamber inside to have the shortcoming in smoke backflow district, the flue-gas temperature field is more even in the radiation chamber, can improve the radiation and the convection heat transfer' heat-transfer by convection efficient of radiant tube so that the distribution of radiant tube calorific intensity is more even in the radiation chamber;
2, be obliquely installed owing to the radiation chamber side wall, thereby cause that cross section dwindles gradually on the radiation chamber, distance diminishes between radiation chamber inside and the radiant tube, improved flow of flue gas speed, thereby reach the radiant heat transfer of raising radiation chamber top radiant tube and the purpose of convection heat transfer' heat-transfer by convection, therefore compare with the two-sided radiation batch-type furnace of conventional levels pipe, the calorific intensity along the radiant tube short transverse in the radiation chamber distributes more even;
3, owing to improved the uniformity that the radiant tube calorific intensity distributes in the radiation chamber, radiant tube tube wall maximum temperature and the interior maximum oil film temperature of pipe in the radiation chamber have been reduced, thereby reduced coking in the radiant tube, prolonged the furnace operation cycle, thereby improved the production economic benefit of device;
4, compare with the two-sided radiation batch-type furnace of the conventional levels pipe type of furnace, owing to reduced coking in the radiant tube, reduced radiant tube tube wall maximum temperature in the radiation chamber, heating furnace can be operated under higher thermal efficiency situation for a long time, reduced the consumption of fuel, thereby reduced the device operating cost, reduced smoke discharge amount simultaneously, reached the purpose of energy-saving and emission-reduction;
5, compare with the two-sided radiation batch-type furnace of the conventional levels pipe type of furnace, owing to improved the uniformity that the radiant tube calorific intensity distributes in the radiation chamber, reduce radiant tube tube wall maximum temperature in the radiation chamber, made radiant tube prolong service life, reduced plant maintenance and recondition expense;
6, for the heating furnace of multitube journey (2 tube sides-6 tube side), each tube side radiant tube is positioned at single radiation chamber, has avoided the phase mutual interference of flame between each radiation chamber, makes operation and regulate more convenient.
Description of drawings
Fig. 1 is the structural representation of the two-sided radiation batch-type furnace of prior art horizontal tube;
Fig. 2 is the two-sided radiation tubular heater of a utility model horizontal tube basic structure schematic diagram;
Fig. 3 is the two-sided radiation tubular type of the novel horizontal tube of a utility model two-tube-pass heating furnace structure schematic diagram;
Fig. 4 is the two-sided radiation tubular type of the novel horizontal tube of a utility model quadritube-pass heating furnace structure schematic diagram;
Fig. 5 is the two-sided radiation tubular type of the novel horizontal tube of the utility model six a tube sides heating furnace structure schematic diagram.
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in detail.
The specific embodiment
Shown in the two-sided radiation tubular heater of Fig. 2 the utility model horizontal tube basic structure schematic diagram, this schematic diagram is the vertical cross-section structure of heating furnace, the two-sided radiation tubular heater of a kind of novel horizontal tube of the utility model includes radiation chamber 3, the side wall 7 of radiation chamber 3 is for being obliquely installed, the angle of inclination a of side wall 7 can choose between 3 °-45 °, angle a is preferably 7 °-15 °, and a is 10 ° and is best technical scheme, the angle a=9 of present embodiment °.Inclination side wall 7 bottoms also are provided with one section vertical wall 8, and vertical wall 8 highly is that present embodiment chooses 1/3 between the 1/10-7/10 of side wall 7 total heights.
Be horizontally disposed with radiant tube 2 perpendicular to cross-wise direction in the radiation chamber 3, radiant tube 2 can adopt top suspension type supporting structure or lower support structure part, supporting structure adopts heat-resistant high alloy steel static casting part or heat-resistant high alloy steel centrifugal casting pipe, what present embodiment radiant tube 2 adopted is the suspension type supporting structure, and supporting structure adopts heat-resistant high alloy steel static casting part.
Also be provided with burner 1 in the radiation chamber 3, burner 1 can be provided with on side wall 7 or the vertical wall 8, also can be arranged on radiation chamber 3 bottoms, the bottom that is arranged on radiation chamber 3 that present embodiment adopts, burner 1 arrangement pitch be along vertical cross-section horizontal direction 0.8-2 rice/, present embodiment burner 1 arrangement pitch is along 1.2 meters/(not shown)s of vertical cross-section horizontal direction.
Fig. 3 is the two-sided radiation tubular type of the novel horizontal tube of a utility model two-tube-pass heating furnace structure schematic diagram, as shown in Figure 3, radiation chamber 3 upper end are communicated with convection cell 5,5 are provided with convection tube 4 in the convection cell, convection cell 5 upper end are provided with chimney 6, and each radiation chamber 3 can be provided with a convection cell 5 separately.
Also can adopt plural radiation chamber 3 that a convection cell 5 is set jointly, what go out as shown in Figure 3 is that two radiation chambers 3 are provided with a convection cell 5 jointly, can be described as the two-sided radiation tubular heater of the novel horizontal tube of two-tube-pass, illustrated in fig. 4 is that four radiation chambers are provided with a convection cell 5 jointly, can be described as the two-sided radiation tubular heater of the novel horizontal tube of quadritube-pass, illustrated in fig. 5 is that six radiation chambers are provided with a convection cell 5 jointly, can be described as the two-sided radiation tubular heater of the novel horizontal tube of six tube sides.
Wherein, the outer surface that side wall 7 is obliquely installed the radiation chamber 3 of formation can become the arcuation conical surface or the straight line conical surface, the profile of the radiation chamber 3 that the side wall 7 of the arcuation conical surface is shaped is the round platform taper, the profile of the radiation chamber 3 that the side wall 7 of the straight line conical surface is shaped is the boss taper, but the vertical cross-section of these two kinds of different tapered profile all is identical with the utility model embodiment trapezoidal.
The utility model can also adopt convection cell 5 of plural radiation chamber 3 each corresponding connection; be in parallel between each convection cell 5; form the structure that plural radiation chamber 3 is provided with the convection cell 5 of plural parallel connection jointly; the utility model also can have other variation; as well known to the skilled person; the foregoing description only plays the exemplary role in the above-mentioned utility model protection scope; for those of ordinary skills; also have a lot of conventional distortion and other embodiment in the protection domain that the utility model limited, these distortion and embodiment will be within the protection domains that the utility model awaits the reply.
Claims (10)
1, the two-sided radiation tubular heater of a kind of novel horizontal tube includes radiation chamber, has been horizontally disposed with radiant tube in the radiation chamber, also is provided with burner in the radiation chamber, it is characterized in that, described radiation chamber side wall is for being obliquely installed.
2, the two-sided radiation tubular heater of novel horizontal tube according to claim 1 is characterized in that, the angle of inclination a of described side wall is 3 °-45 °.
3, the two-sided radiation tubular heater of novel horizontal tube according to claim 2 is characterized in that, the angle of inclination a of described side wall is 7 °-15 °.
4, the two-sided radiation tubular heater of novel horizontal tube according to claim 3 is characterized in that, the angle of inclination a of described side wall is 10 °.
5, the two-sided radiation tubular heater of novel horizontal tube according to claim 4 is characterized in that, described side wall bottom also is provided with one section vertical wall, and the vertical wall height is between the 1/10-7/10 of side wall total height.
6, the two-sided radiation tubular heater of novel horizontal tube according to claim 1 is characterized in that, described radiation chamber upper end is communicated with convection cell, is provided with convection tube in the convection cell, and the convection cell upper end is provided with chimney; Each radiation chamber can be provided with a convection cell separately, or plural radiation chamber is provided with a convection cell jointly, or plural radiation chamber is provided with convection cell in parallel more than two jointly.
According to the two-sided radiation tubular heater of the described novel horizontal tube of each claim in the claim 1 to 6, it is characterized in that 7, described burner is provided with on the side wall or the radiation chamber bottom.
8, the two-sided radiation tubular heater of novel horizontal tube according to claim 7 is characterized in that, described burner arrangement spacing be along vertical cross-section horizontal direction 0.8-2 rice/.
9, the two-sided radiation tubular heater of novel horizontal tube according to claim 8 is characterized in that, described burner arrangement spacing be along vertical cross-section horizontal direction 1.2-1.7 rice/.
10, the two-sided radiation tubular heater of novel horizontal tube according to claim 1, it is characterized in that, described radiant tube can adopt top suspension type supporting structure or lower support structure part, and supporting structure adopts heat-resistant high alloy steel static casting part or heat-resistant high alloy steel centrifugal casting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201235358U CN201293545Y (en) | 2008-11-03 | 2008-11-03 | Novel horizontal pipe double face radiant tube type heating-furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201235358U CN201293545Y (en) | 2008-11-03 | 2008-11-03 | Novel horizontal pipe double face radiant tube type heating-furnace |
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| Publication Number | Publication Date |
|---|---|
| CN201293545Y true CN201293545Y (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201235358U Expired - Lifetime CN201293545Y (en) | 2008-11-03 | 2008-11-03 | Novel horizontal pipe double face radiant tube type heating-furnace |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982524A (en) * | 2010-11-23 | 2011-03-02 | 中国石油化工股份有限公司 | Delayed coking furnace |
| CN102331179A (en) * | 2011-09-17 | 2012-01-25 | 大庆华凯石油化工设计工程有限公司 | Box-type heating furnace provided with radiation chamber with overhead radiation coils |
| CN102878807A (en) * | 2011-07-11 | 2013-01-16 | 中国石油化工股份有限公司 | Flame heating furnace |
| CN102933692A (en) * | 2010-04-15 | 2013-02-13 | 鲁姆斯科技公司 | Delayed coking process |
| CN104130792A (en) * | 2013-05-02 | 2014-11-05 | 山东宝舜化工科技有限公司 | Asphalt tubular furnace and technology for modifying asphalt by employing the asphalt tubular furnace |
| 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 |
| CN104194831A (en) * | 2014-09-16 | 2014-12-10 | 海工英派尔工程有限公司 | Integrated hydrogenation device |
| CN113046100A (en) * | 2021-04-15 | 2021-06-29 | 山东京阳科技股份有限公司 | Special heating furnace for producing joint coke |
-
2008
- 2008-11-03 CN CNU2008201235358U patent/CN201293545Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038830A (en) * | 2010-04-15 | 2015-11-11 | 鲁姆斯科技公司 | Delayed coking process |
| CN102933692A (en) * | 2010-04-15 | 2013-02-13 | 鲁姆斯科技公司 | Delayed coking process |
| CN102933692B (en) * | 2010-04-15 | 2015-08-05 | 鲁姆斯科技公司 | Delayed coking process |
| CN101982524B (en) * | 2010-11-23 | 2013-05-01 | 中国石油化工股份有限公司 | Delayed coking furnace |
| CN101982524A (en) * | 2010-11-23 | 2011-03-02 | 中国石油化工股份有限公司 | Delayed coking furnace |
| CN102878807A (en) * | 2011-07-11 | 2013-01-16 | 中国石油化工股份有限公司 | Flame heating furnace |
| CN102331179A (en) * | 2011-09-17 | 2012-01-25 | 大庆华凯石油化工设计工程有限公司 | Box-type heating furnace provided with radiation chamber with overhead radiation coils |
| CN104130792A (en) * | 2013-05-02 | 2014-11-05 | 山东宝舜化工科技有限公司 | Asphalt tubular furnace and technology for modifying asphalt by employing the asphalt tubular furnace |
| 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 |
| CN104194831A (en) * | 2014-09-16 | 2014-12-10 | 海工英派尔工程有限公司 | Integrated hydrogenation device |
| CN104194831B (en) * | 2014-09-16 | 2016-01-20 | 海工英派尔工程有限公司 | A kind of structure assembly formula hydrogenation unit |
| 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 |
| CN113046100A (en) * | 2021-04-15 | 2021-06-29 | 山东京阳科技股份有限公司 | Special heating furnace for producing joint coke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090819 Effective date of abandoning: 20100427 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |