CN103512190B - A kind of skid-mounted type water filling boiler - Google Patents
A kind of skid-mounted type water filling boiler Download PDFInfo
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- CN103512190B CN103512190B CN201310500786.9A CN201310500786A CN103512190B CN 103512190 B CN103512190 B CN 103512190B CN 201310500786 A CN201310500786 A CN 201310500786A CN 103512190 B CN103512190 B CN 103512190B
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Abstract
<b>the invention discloses a kind of skid-mounted type water filling boiler, it comprises body of heater, boiler tube, burner, chimney, wherein body of heater comprises radiation heating section and convection current heating section, boiler tube is spiral coil and lies along in radiation heating section along the length direction of body of heater, chimney is positioned at the afterbody of convection current heating section, water filling boiler also comprise be positioned at convection current heating section for injecting the water of boiler tube or medium and preheat the economizer bank of intensification, the heating tube that is arranged on economizer bank right side and is connected with economizer bank along the bearing of trend of convection current heating section, for the communicating pipe that heating tube is connected with boiler tube, be arranged on the skid of body of heater below along the bearing of trend of body of heater, and be respectively used to radiation heating section and convection current heating section to be connected to the Connection Block in skid. the present invention not only makes boiler tube be heated evenly at radiant section, but also has effectively reduced the cold end corrosion of body of heater tail end, meanwhile, body of heater is become to sled with burner entirety, is convenient to transport and on-the-spot installation.</b>
Description
Technical field
The present invention relates to a kind of skid-mounted type water filling boiler, particularly the water filling boiler of a kind of skid-mounted gas for crude oil thermal recovery (oil).
Background technology
Crude oil thermal recovery refers to exploiting after the underground sticky heating crude oil that is difficult to exploitation again, but, drop into after exploitation in oil field, and along with the growth of recovery time, the energy of oil reservoir own will constantly be consumed, cause formation pressure constantly to decline, underground crude oil is degassed in a large number, and viscosity increases, and oil well output greatly reduces, even can stop-spraying stop production, cause underground residual a large amount of dead oils can not adopt out.
In order to solve above-mentioned technical barrier, by oil reservoir being injected to high-pressure water heating or the steam with uniform temperature, can make up the underground deficit causing after crude oil extraction, keep or improve formation pressure, realize oil field stable high yield, and obtain higher recovery ratio. Therefore, just had water filling boiler or injection boiler, water filling boiler or injection boiler are also the key equipments that produces high-pressure water heating or steam in crude oil thermal recovery system simultaneously.
At present, conventional water filling boiler and the structure of injection boiler are roughly similar, main employing and emission types same way, gas after burner combustion is heated being positioned at body of heater boiler tube, the bringing-up section of its body of heater is called for short radiation heating section, and it is snakelike horizontally disposed that the boiler tube that is positioned at radiation heating section is, and between straight tube, connects by elbow welding, and hoop is close to furnace wall wall. Although this structure replace tubes maintenance is relatively simple, in burner hearth, welding point is many, and boiler tube is longitudinally snakelike horizontally disposed along burner hearth simultaneously, and in the boiler tube of same cross section, medium temperature difference is very large, causes burner hearth to be heated inhomogeneous, produces thermal deviation. The burner hearth of this structural configuration in addition, radiant heat transfer thermal effective coefficient is little, and radiant section arranges that size is larger, and the adiabatic material of burner hearth requires high. Meanwhile, too low near the temperature of smoke evacuation place, add medium temperature herein also lower, both combinations, under long-term use, easily produce cold end corrosion to back-end surfaces, greatly reduce the service life of boiler.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, a kind of improved skid-mounted type water filling boiler is provided, it effectively utilizes radiation of burner hearth heat, reduce the thermal deviation that burner hearth is heated, and can effectively reduce the generation of the cold end corrosion phenomenon of body of heater afterbody, be convenient to removing and installing of mobile and boiler simultaneously.
For solving above technical problem, the present invention takes following technical scheme:
A kind of skid-mounted type water filling boiler, it comprises the body of heater that extends setting along horizontal direction, be arranged on the boiler tube of body of heater inside, the burner that is arranged on body of heater one end and communicates with body of heater, be arranged on the chimney of body of heater the other end, particularly, body of heater comprises the radiation heating section and the convection current heating section that are connected, boiler tube is spiral coil and lies along in radiation heating section along the length direction of body of heater, chimney is positioned at the afterbody of convection current heating section, water filling boiler also comprise be positioned at convection current heating section for injecting the water of boiler tube or medium and preheat the economizer bank of intensification, the heating tube that is arranged on economizer bank right side and is connected with economizer bank along the bearing of trend of convection current heating section, for the communicating pipe that heating tube is connected with boiler tube, be arranged on the skid of body of heater below along the bearing of trend of body of heater, and be respectively used to radiation heating section and convection current heating section to be connected to the Connection Block in skid.
Preferably, radiation heating section comprise the radiant section heat insulation layer being arranged between boiler tube and inboard wall of furnace body and be arranged on the radiant section front wall at two ends, radiation heating section left and right and radiant section after wall and for boiler tube being fixed on to the fixture of inboard wall of furnace body, wherein the outlet of boiler tube and burner opening lay respectively on radiant section front wall, and the import of boiler tube is positioned at after radiant section on wall; Convection current heating section comprises and with radiant section after wall construction identical convection current heating section inwall that extend along wall after radiant section.
Further preferably, radiant section heat insulation layer is laid and is formed by light heat insulation material, radiant section front wall is laid and is formed by the ceramic fiber block compressing, after radiant section, wall and convection current heating section inwall all have internal layer and skin, internal layer adopts refractory concrete to make, the outer light heat insulation material that adopts is made, and internal layer formation gas passage, outer between internal layer and described inboard wall of furnace body.
According to concrete an enforcement and preferred aspect of the present invention, convection current heating section is divided into high temperature section and low-temperature zone along the bearing of trend of body of heater, economizer bank is positioned at high temperature section, and heating tube is positioned at low-temperature zone, and high temperature section is extended along the exhaust end of radiation heating section, low-temperature zone continues extend and narrow gradually along the end of high temperature section, its vertical section along horizontal direction is wedge shape, and chimney is positioned at the tail end of described low-temperature zone, makes low-temperature zone flue gas flow rate keep impartial, improve heat exchange efficiency, topology layout compactness. Therefore, water filling boiler feedwater of the present invention is pressed heating procedure successively after convection current heating section high temperature section, convection current heating section low-temperature zone, radiation heating section, uses after heated. Improve the temperature that enters low-temperature zone feedwater, avoided the generation of low-temperature zone afterbody cold end corrosion.
Preferably, economizer bank is that single heating tube is snakelike coiling along the bearing of trend of convection current heating section and makes, and heating tube is spiral fin coil, and this spiral fin coil is snakelike setting along the bearing of trend of convection current heating section. More preferably, the equal stagger arrangement of economizer bank and heating tube is distributed in convection current heating section.
According to another concrete enforcement and preferred aspect of the present invention, burner opening is positioned at the center of radiant section front wall, and the outlet of boiler tube is positioned at the top of burner exhaust mouth. Be convenient to actual operation, and the maximized leaving water temperature practical requirement making in boiler tube. Meanwhile, spiral coil is that seamless steel pipe coiled coil is made. And then spiral coil is closely affixed between two adjacent helix tubes of the length direction of body of heater, form film water cold wall structure, make radiant heat transfer thermal effective coefficient high.
In addition, above-mentioned radiation heating section is fixedly connected with by flange connector with convection current heating section. Be convenient to the care and maintenance of equipment.
Due to the enforcement of above technical scheme, the present invention compared with prior art tool has the following advantages:
The present invention is owing to having adopted coil chamber structure, and radiant section is heated evenly, hot expansibility is good, simultaneously, in convection current heating section, be provided with economizer bank and heating tube, effectively reduce the cold end corrosion of body of heater tail end, then by, body of heater is connected in skid by Connection Block, entirety becomes sled, be convenient to transport and on-the-spot installation, in addition, of the present invention simple in structure, it is convenient, very practical to implement.
Brief description of the drawings
Below in conjunction with accompanying drawing and concrete embodiment, the present invention will be further described in detail;
Fig. 1 looks schematic diagram according to the master of water filling boiler of the present invention;
Fig. 2 is the water heating procedure schematic diagram according to water filling boiler of the present invention;
Wherein: 1, body of heater; 10, radiation heating section; 100, radiant section heat insulation layer; 101, radiant section front wall; 102, wall after radiant section; A, internal layer; B, skin; 103, fixture; 11, convection current heating section; 110, high temperature section; 111, low-temperature zone; 112, convection current heating section inwall; 2, boiler tube (spiral coil); 3, burner; 4, chimney; 5, economizer bank; 6, heating tube; 7, communicating pipe; 8, skid; 9, Connection Block; 12, flange connector.
Detailed description of the invention
As depicted in figs. 1 and 2, the skid-mounted type water filling boiler that this example provides, it comprises along horizontal direction and extends the body of heater 1, the boiler tube 2 that is arranged on body of heater 1 inside that arrange, is arranged on body of heater 1 one ends and the burner 3 communicating with body of heater 1, the chimney 4 that is arranged on body of heater 1 the other end. wherein body of heater 1 comprises radiation heating section 10 and convection current heating section 11, boiler tube 2 is spiral coil and lies along in radiation heating section 10 along the length direction of body of heater 1, chimney 4 is positioned at the afterbody of convection current heating section 11, water filling boiler also comprise be positioned at convection current heating section 11 for injecting the water of boiler tube or medium and preheat the economizer bank 5 of intensification, the heating tube 6 that is arranged on economizer bank 5 right sides and is connected with economizer bank 5 along the bearing of trend of convection current heating section 11, for the communicating pipe 7 that heating tube 6 is connected with boiler tube 2, be arranged on the skid 8 of body of heater 1 below along the bearing of trend of body of heater 1, and be respectively used to radiation heating section 10 and convection current heating section 11 to be connected to the Connection Block 9 in skid 8.
In this example, above-mentioned radiation heating section 10 comprises the radiant section heat insulation layer 100 being arranged between boiler tube 2 and body of heater 1 inwall, and be arranged on wall 102 after the radiant section front wall 101 at radiation heating section 10 two ends, left and right and radiant section, and for boiler tube 2 being fixed on to the fixture 103 of body of heater 1 inwall, wherein the outlet of boiler tube 2 and burner opening lay respectively on radiant section front wall 101, the import of boiler tube 2 is positioned at after radiant section on wall 102, further, the outlet of boiler tube 2 is positioned at the top of burner opening, then, burner opening is positioned at the center of radiant section front wall 101, thereby be convenient to actual operation, and the maximized leaving water temperature practical requirement making in boiler tube 2. simultaneously, radiant section heat insulation layer 100 is laid and is formed by light heat insulation material, radiant section front wall 101 is laid and is formed by the ceramic fiber block compressing, after radiant section, wall 102 has internal layer a and outer b, its internal layer a adopts refractory concrete to make, outer b adopts light heat insulation material to make, and internal layer a formation gas passage, and outer b is between internal layer a and described body of heater 1 inwall.
Above-mentioned convection current heating section 11 is divided into high temperature section 110 and low-temperature zone 111 along the bearing of trend of body of heater 1, economizer bank 5 is positioned at high temperature section 110, heating tube 6 is positioned at low-temperature zone 111, high temperature section 110 is extended along the exhaust end of radiation heating section 10, low-temperature zone 111 continues extend and narrow gradually along the end of high temperature section 110, its vertical section along horizontal direction is wedge shape, make the flue gas flow rate of low-temperature zone 111 keep impartial, improve heat exchange efficiency, topology layout compactness, chimney 4 is positioned at the tail end of low-temperature zone 111. Therefore, water filling boiler feedwater of the present invention is pressed heating procedure successively after convection current heating section high temperature section 110, convection current heating section low-temperature zone 111, radiation heating section 10, uses after heated. Improve and entered the temperature that low-temperature zone 111 feeds water, avoided the generation of low-temperature zone 111 afterbody cold end corrosions. In addition, convection current heating section 11 also has along that extend and identical with 102 structures of wall after the radiant section convection current heating section inwall 112 of wall 102 after radiant section.
Refer again to Fig. 1, above-mentioned economizer bank 5 is made for single pipe (common light pipe) is snakelike coiling along the bearing of trend of convection current heating section 11, and heating tube 6 is spiral fin coil, and this spiral fin coil is snakelike setting along the bearing of trend of convection current heating section 11. More specifically, economizer bank 5 is distributed in convection current heating section 11 with the equal stagger arrangement of heating tube 6.
Simultaneously, spiral coil (namely boiler tube 2) in this example is made for seamless steel pipe coiled coil, radiation heating section 10 is cylindric, be that spiral coil is concentric with radiation heating section 10, the outline of spiral coil is close to radiation heating section 10 inwalls, interior profile forms burner hearth, and meanwhile, spiral coil is closely affixed between two adjacent helix tubes of the length direction of radiation heating section 10, form film water cold wall structure, make the coefficient of efficiency of radiant heat transfer high.
In addition, the radiation heating section 10 in this example is fixedly connected with by flange connector 12 with convection current heating section 11. Be convenient to the care and maintenance of equipment.
In sum, compared to the prior art, the present invention has the following advantages:
1), adopted coil chamber structure, radiant section is heated evenly, hot expansibility is good, structural strength is high, good stability, simultaneously welding point is few, Leakage probability is less;
2), be provided with economizer bank and heating tube at the afterbody (the convection current heating section in this example) of body of heater, solved the etching problem that body of heater afterbody causes because of low temperature, convection section heating surface adopts variable cross-section uniform flow structure simultaneously, and heat exchange efficiency is high, volume is little, thereby alleviates the deadweight of body of heater;
3), radiation heating section is fixedly connected with by flange connector with convection current heating section. Be convenient to the care and maintenance of equipment;
4), adopting Connection Block to be connected body of heater (radiation heating section and convection current heating section) becomes sled by combustion apparatus with other control appliance entirety, is convenient to transport and on-the-spot installation.
Above the present invention is described in detail, but the invention is not restricted to the embodiments described. The equivalence that all Spirit Essences according to the present invention are done changes or modifies, and all should be encompassed in protection scope of the present invention.
Claims (10)
1. a skid-mounted type water filling boiler, it comprises the chimney that extends the body of heater arranging, the boiler tube that is arranged on described body of heater inside, is arranged on described body of heater one end the burner communicating with described body of heater, is arranged on described body of heater the other end along horizontal direction,
It is characterized in that: described body of heater comprises the radiation heating section and the convection current heating section that are connected, described boiler tube is spiral coil and lies along in described radiation heating section along the length direction of body of heater, described chimney is positioned at the afterbody of described convection current heating section, described water filling boiler also comprise be positioned at described convection current heating section for injecting the water of described boiler tube or medium and preheat the economizer bank of intensification, the heating tube that is arranged on described economizer bank right side and is connected with described economizer bank along the bearing of trend of described convection current heating section, for the communicating pipe that heating tube is connected with described boiler tube, be arranged on the skid of body of heater below along the bearing of trend of described body of heater, and be respectively used to described radiation heating section and described convection current heating section to be connected to the Connection Block in described skid.
2. skid-mounted type water filling boiler according to claim 1, it is characterized in that: described radiation heating section comprise be arranged on the radiant section heat insulation layer between described boiler tube and described inboard wall of furnace body and be arranged on the radiant section front wall at two ends, described radiation heating section left and right and radiant section after wall and for described boiler tube being fixed on to the fixture of described inboard wall of furnace body, the outlet of described boiler tube and burner opening lay respectively on described radiant section front wall, and the import of described boiler tube is positioned at after described radiant section on wall;
Described convection current heating section comprises and with described radiant section after wall construction identical convection current heating section inwall that extend along wall after described radiant section.
3. skid-mounted type water filling boiler according to claim 2, it is characterized in that: described radiant section heat insulation layer is laid and formed by light heat insulation material, described radiant section front wall is laid and is formed by the ceramic fiber block compressing, after described radiant section, wall and described convection current heating section inwall all have internal layer and skin, internal layer adopts refractory concrete to make, the outer light heat insulation material that adopts is made, and internal layer formation gas passage, outer between internal layer and described inboard wall of furnace body.
4. skid-mounted type water filling boiler according to claim 2, it is characterized in that: described convection current heating section is divided into high temperature section and low-temperature zone along the bearing of trend of described body of heater, described economizer bank is positioned at high temperature section, described heating tube is positioned at low-temperature zone, described high temperature section is extended along the exhaust end of described radiation heating section, described low-temperature zone continues extend and narrow gradually along the end of described high temperature section, its vertical section along horizontal direction is wedge shape, and described chimney is positioned at the tail end of described low-temperature zone.
5. skid-mounted type water filling boiler according to claim 4, it is characterized in that: described economizer bank is that single heating tube is snakelike coiling along the bearing of trend of described convection current heating section and makes, described heating tube is spiral fin coil, and described spiral fin coil is snakelike setting along the bearing of trend of described convection current heating section.
6. skid-mounted type water filling boiler according to claim 5, is characterized in that: described economizer bank and the equal stagger arrangement of described heating tube are distributed in described convection current heating section.
7. skid-mounted type water filling boiler according to claim 2, is characterized in that: described burner opening is positioned at the center of described radiant section front wall, and the outlet of described boiler tube is positioned at the top of described burner opening.
8. skid-mounted type water filling boiler according to claim 1, is characterized in that: described spiral coil is that seamless steel pipe coiled coil is made.
9. skid-mounted type water filling boiler according to claim 8, is characterized in that: described spiral coil is closely affixed between two adjacent helix tubes of the length direction of described body of heater, forms film water cold wall structure.
10. skid-mounted type water filling boiler according to claim 1, is characterized in that: described radiation heating section is fixedly connected with by flange connector with described convection current heating section.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310500786.9A CN103512190B (en) | 2013-10-22 | 2013-10-22 | A kind of skid-mounted type water filling boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310500786.9A CN103512190B (en) | 2013-10-22 | 2013-10-22 | A kind of skid-mounted type water filling boiler |
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| CN103512190A CN103512190A (en) | 2014-01-15 |
| CN103512190B true CN103512190B (en) | 2016-05-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT201800006794A1 (en) * | 2018-06-29 | 2019-12-29 | Matteo Lentini | Heater \ Radiant steam generator |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109654514A (en) * | 2019-01-22 | 2019-04-19 | 河北艺能锅炉有限责任公司 | Burned waste gas recovery furnace |
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| CN103216932A (en) * | 2013-05-06 | 2013-07-24 | 中国石油天然气第八建设有限公司 | Fire tube type gas hot-water boiler |
| CN203572014U (en) * | 2013-10-22 | 2014-04-30 | 张家港市江南锅炉压力容器有限公司 | Skid-mounted water injection boiler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003161406A (en) * | 2001-11-21 | 2003-06-06 | Mitsubishi Heavy Ind Ltd | Water injection boiler equipment |
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2013
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1888529A (en) * | 2006-06-09 | 2007-01-03 | 西安交通大学 | Prying oil combustion supercritical pressure straight-flow steam boiler |
| CN101144612A (en) * | 2007-10-09 | 2008-03-19 | 西安交通大学 | Skid-mounted type fuel oil supercritical pressure direct-flow gas injection boiler |
| CN101929670A (en) * | 2010-09-29 | 2010-12-29 | 长沙锅炉厂有限责任公司 | Oilfield steam injection boiler |
| CN102563837A (en) * | 2012-01-20 | 2012-07-11 | 中国石油天然气第八建设有限公司 | Gas-fired hot water boiler |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| IT201800006794A1 (en) * | 2018-06-29 | 2019-12-29 | Matteo Lentini | Heater \ Radiant steam generator |
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| CN103512190A (en) | 2014-01-15 |
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Address after: 215635 No. 139 Gangfeng Road, Yangtze River International Chemical Industrial Park, Zhangjiagang, Suzhou, Jiangsu Patentee after: Jiangsu Jiangguo Intelligent Equipment Co.,Ltd. Address before: 215635 No. 139 Gangfeng Road, Yangtze River International Chemical Industrial Park, Zhangjiagang, Suzhou, Jiangsu Patentee before: Jiangnan Boilers & Pressure Vessels (Zhangjiagang) Co.,Ltd. |