CN103234188A - Vehicle-mounted ultra-supercritical pressure boiler - Google Patents
Vehicle-mounted ultra-supercritical pressure boiler Download PDFInfo
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- CN103234188A CN103234188A CN201310163143XA CN201310163143A CN103234188A CN 103234188 A CN103234188 A CN 103234188A CN 201310163143X A CN201310163143X A CN 201310163143XA CN 201310163143 A CN201310163143 A CN 201310163143A CN 103234188 A CN103234188 A CN 103234188A
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Abstract
The invention relates to a vehicle-mounted ultra-supercritical pressure boiler. A combustion chamber is horizontally arranged, and an economizer is connected to the rear end of the combustion chamber through a variable-diameter connection flue; a combustor, the combustion chamber, the economizer and a chimney are communicated successively along a hot smoke moving direction; combustion chamber pipe bundles are arranged on the periphery in the combustion chamber; and the structure of a water-water heat exchanger is a casing-tube type S-shaped reciprocating pipe which is arranged above the outside of the combustion chamber for heat exchange. Feeding water is fed into a feed pump through a boiler water inlet, pressurized by the feed pump to 30.48MPa, flows through a water pipeline, the water-water heat exchanger, an economizer pipe bundle, the water-water heat exchanger and the combustion chamber pipe bundles to be heated gradually and reaches a saturated water outlet, and ultra-supercritical pressure saturated water at the temperature of 370 DEG C under the pressure of 30MPa is output. The vehicle-mounted ultra-supercritical pressure boiler can cover injection steam huff and puff of oil wells with an oil reservoir depth of more than 2200 meters and can operate under subcritical pressure to generate saturated steam with the steam dryness not higher than 80%, and accordingly, requirements for thickened oil recovery of ultra-deep oil wells are met.
Description
Technical field
The present invention relates to the special equipment of the super dark oil reservoir of a kind of oil field heating exploitation, specifically is the vehicular Ultra-Super Critical Pressure Boiler of a kind of oil field special use.
Background technology
Along with the deep exploitation in domestic and international oil field, difficulty is employed the reservoir development process accelerate gradually, particularly reservoir depth has been listed the oil field production capacity plan in above 2000 meters super dark reservoir development.Because formation resistance is very big, the oil well base pressure will reach 26～29MPa, and operating pressure is the needs that the subcritical steam generator of 21MPa can't satisfy super dark oil reservoir Simulation on whole pay zones.Need to inject super dark oil well with ultra supercritical pressure saturated hot-water, the viscous crude in the heating oil reservoir strengthens flowability to reduce its viscosity, thereby viscous crude or the effective exploitation of super viscous crude are come out.
Summary of the invention
The purpose of this invention is to provide a kind of vehicular Ultra-Super Critical Pressure Boiler, it is to utilize the ultra supercritical pressure saturated hot-water that produces to inject super dark oil well, viscous crude in the heating oil reservoir strengthens flowability to reduce its viscosity, thereby viscous crude or super viscous crude are effectively exploited; It produces the ultra supercritical pressure saturated hot-water that pressure reaches 30MPa, but the oil well of the oil overlay degree of depth more than 2200 meters annotated vapour and handled up, and operation generation steam quality is not higher than 80% saturated vapor under the compatible subcritical pressure boiler of energy, satisfies the needs of super dark oil well thickened oil recovery.
The objective of the invention is to be achieved by the following technical programs:
A kind of vehicular Ultra-Super Critical Pressure Boiler, it comprises: combustion chamber, economizer, reducing connect flue, water-water heat exchanger, burner, feed pump, switch board, water pipeline, air compressor machine, trailer, board house, chimney, economizer tube bank, combustion chamber tube bank, boiler feedwater entrance, saturation water outlet, the horizontal placement of described combustion chamber level, economizer connects the rear end that flue is connected the combustion chamber by reducing; Burner, combustion chamber, economizer, chimney are communicated with successively along hot smoke movement direction; Periphery in the combustion chamber is provided with the combustion chamber tube bank; The structure of water-water heat exchanger is that the snakelike reciprocation pipe of sleeve pipe form places the top outside the combustion chamber, carries out heat exchange; Feedwater enters feed pump from the boiler feedwater entrance, after being forced into 30.48MPa, feed pump restrains through water pipeline, water-water heat exchanger, economizer tube bank, water-water heat exchanger, combustion chamber successively again, progressively be heated intensification, to saturation water outlet, output temperature reaches the ultra supercritical pressure saturated hot-water that 370 ℃, pressure reach 30MPa; Be provided with economizer tube bank in the described economizer, it is trapezoidal that structure is that single light pipe and finned tube level back and forth are, and is positioned at the flue gas low-temperature zone; Described combustion chamber, economizer, feed pump, switch board, air compressor machine are installed on the trailer; The whole bearing mode that adopts trailer of this boiler, mobile hot-water flooding or steam.
Described combustion chamber is horizontal straight flow structure, and outer surface is cylindrical drum, and inwall is lined with aluminosilicate refractory fiber; The combustion chamber tube bank is that the single loop straight tube is along vertical snakelike back and forth be arranged in columnar structured of body of wall inwall; Pipe center line and the distance between furnace wall of tube bank are 100mm.It also comprises: fuel line, fuel filler, oil heater, electric heater, and described burner is communicated with fuel filler by fuel line; Fuel line is provided with oil heater and electric heater.The economizer tube bank has been arranged the light pipe heating surface at the smoke inlet end, and finned tube has been adopted at the rear portion.Combustion chamber, economizer, feed pump, air compressor machine and switch board directly are welded on the trailer; Between burner and the combustion chamber, adopt bolt to be connected between chimney and the economizer.Described switch board is made up of programmable controller and touch-screen; Has conventional data teletransmission interface.Feedwater enters the cold water inlet of water-water heat exchanger again through water pipeline through feed pump, flowed out by cooling water outlet, enter the economizer tube bank, hot water inlet by water-water heat exchanger enters by economizer tube bank heated hot water, flowed out by hot water outlet, enter the combustion chamber tube bank, cold water flows in the outer tube of sleeve pipe, and hot water flows in the inner layer pipe of sleeve pipe round about.The operating pressure of regulating feed pump is 21Mpa, and it is that 371 ℃ of steam qualitys are not higher than 80% saturated vapor that the saturation water outlet produces vapor (steam) temperature.
The present invention has following advantage and good effect:
1. operate steadily, thermal efficiency height, water resistance is little, and noise is low;
2. compact conformation, volume is little, is convenient to clean and maintenance;
3. move and annotate vapour, open-air adaptability is strong, need not invest conveniently moving by permanent plant;
4. the control technology advanced person realizes that boiler flow and outlet temperature keep constant, the automaticity height;
5. because water does not have vaporization phenomenon at 30MPa, 370 ℃ the time, though feedwater without water treatment, its contained salinity can not be separated out, and effectively avoids furnace tube deposition, greatly reduces production cost.
Important technological parameters of the present invention:
Model: YZG9-30/370-H
Metered flow: 9t/h
Operating pressure: 30MPa
Leaving water temperature: 370 ℃
Fuel: heavy oil or crude oil
Control mode: PLC+ touch-screen
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that schematic diagram is looked on Fig. 1 of the present invention left side;
Fig. 3 is Fig. 1 schematic top plan view of the present invention;
Fig. 4 is Fig. 1 schematic rear view of the present invention;
Fig. 5 is workflow schematic diagram of the present invention;
Fig. 6 is tube bank schematic diagram in combustion chamber of the present invention;
Fig. 7 is that schematic diagram is looked on a tube bank left side, Fig. 6 combustion chamber;
Fig. 8 is economizer tube bank schematic diagram of the present invention;
Fig. 9 is Fig. 8 economizer tube bank schematic top plan view;
Figure 10 is water of the present invention-water-to-water heat exchanger schematic diagram.
The specific embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
Drawing reference numeral is as follows among the figure: economizer 1, combustion chamber 2, reducing connect flue 3, water-water heat exchanger 4, burner 5, board house 6, electric heater 7, oil heater 8, trailer 9, feed pump 10, switch board 11, water pipeline 12, air compressor machine 13, air channel 14, chimney 15, cat ladder 16, fuel line 17, reinforcement 18; Economizer tube bank 101, combustion chamber tube bank 201, cold water inlet 401, cooling water outlet 402, hot water inlet 403, hot water outlet 404, boiler feedwater entrance 1201, saturation water outlet 1202, blowdown gather mouth 1203, safety valve floss hole 1204, fuel filler 1205, steam evacuation mouth 1206, oil return opening 1207.
Subcritical pressure boiler refers to: operating pressure is that 21MPa and vapor (steam) temperature are 371 ℃ steam boiler; Ultra-Super Critical Pressure Boiler refers to: operating pressure is the saturated hot-water boiler of 370 ℃ of the above and leaving water temperatures of 30MPa.
This vehicular Ultra-Super Critical Pressure Boiler is fuel with crude oil or heavy oil.
As shown in the figure: a kind of vehicular Ultra-Super Critical Pressure Boiler, it comprises: combustion chamber 2, economizer 1, reducing connect flue 3, water-water heat exchanger 4, burner 5, feed pump 10, switch board 11, water pipeline 12, air compressor machine 13, trailer 9, board house 6, chimney 15, economizer tube bank 101, combustion chamber tube bank 201, boiler feedwater entrance 1201, saturation water outlet 1202, the horizontal placement of described combustion chamber 2 levels, economizer 1 connects the rear end that flue 3 is connected combustion chamber 2 by reducing; Burner 5, combustion chamber 2, economizer 1, chimney 15 are communicated with successively along hot smoke movement direction; Periphery in the combustion chamber 2 is provided with combustion chamber tube bank 201; The structure of water-water heat exchanger 4 is that the snakelike reciprocation pipe of sleeve pipe form places the top outside the combustion chamber 2, carries out heat exchange; Water-water heat exchanger 4 is mainly used to improve the inlet temperature of economizer 1, makes inlet water temperature be higher than the dew-point temperature of flue gas, thereby avoids steam in the flue gas to condense at economizer 1 finned tube and cause the cold end corrosion of pipe; Feedwater enters feed pump 10 from boiler feedwater entrance 1201, after being forced into 30.48MPa, feed pump 10 restrains 201 through water pipeline 12, water-water heat exchanger 4, economizer tube bank 101, water-water heat exchanger 4, combustion chamber successively again, progressively be heated intensification, to saturation water outlet 1202, output temperature reaches the ultra supercritical pressure saturated hot-water that 370 ℃, pressure reach 30MPa; Be provided with economizer tube bank 101 in the described economizer 1, it is trapezoidal that structure is that single light pipe and finned tube level back and forth are, and is positioned at the flue gas low-temperature zone; Its function is that the heating of the water in pipe vaporization is formed steam water interface, and flue-gas temperature further reduces, and improves the thermal efficiency; Described combustion chamber 2, economizer 1, feed pump 10, switch board 11, air compressor machine 13 are installed on the trailer 9; The whole bearing mode that adopts trailer of this boiler, mobile hot-water flooding or steam; Open-air adaptability is strong, has fully ensured flexible, mobility that equipment uses.
Described combustion chamber 2 is horizontal straight flow structure, and outer surface is cylindrical drum, and inwall is lined with aluminosilicate refractory fiber; Combustion chamber tube bank 201 is that the single loop straight tube is along vertical snakelike back and forth be arranged in columnar structured of body of wall inwall; Pipe center line and the distance between furnace wall of tube bank 201 are 100mm; Situations such as the maximum flame adjusting of heat transfer, safe operation and the burner of heating surface size have been considered in the design of combustion chamber tube bank 201; Determined the pipe center line of tube bank 201 and the distance between furnace wall, its thermal efficiency height, good heat radiation effect according to the optimum value of direct absorption radiant heat and reflected radiation heat.It also comprises: fuel line 17, fuel filler 1205, oil heater 8, electric heater 7, and described burner 5 is communicated with fuel filler 1205 by fuel line 17; Fuel line 17 is provided with oil heater 8 and electric heater 7.Economizer tube bank 101 has been arranged the light pipe heating surface at the smoke inlet end, and to reduce the cigarette temperature, finned tube has been adopted at the rear portion as the temperature buffer pipe, improves heat exchange efficiency, can reduce the volume of economizer 1.Combustion chamber 2, economizer 1, feed pump 10, air compressor machine 13 and switch board 11 directly are welded on the trailer 9; Guaranteed that the safety of equipment is with stable; Between burner 5 and the combustion chamber 2, adopt bolt to be connected between chimney 15 and the economizer 1; Be convenient to dismounting and maintenance.Described switch board 11 is made up of programmable controller and touch-screen; Has conventional data teletransmission interface; Can realize data online browsing and storage, meet the needs of current oil field data management.Feedwater enters the cold water inlet 401 of water-water heat exchanger 4 again through water pipeline 12 through feed pump 10, flowed out by cooling water outlet 402, enter economizer tube bank 101, restraining 101 heated hot water by economizer is entered by the hot water inlet 403 of water-water heat exchanger 4, flowed out by hot water outlet 404, enter combustion chamber tube bank 201, cold water flows in the outer tube of sleeve pipe, and hot water flows in the inner layer pipe of sleeve pipe round about.The operating pressure of regulating feed pump 10 is 21Mpa, and it is that 371 ℃ of steam qualitys are not higher than 80% saturated vapor that saturation water outlet 1202 produces vapor (steam) temperature.
Exhaust gases passes is provided with the warm galvanic couple of cigarette.
Fuel system comprises: oil-feed and return line, pressure regulator, electric heater, fuel oil-steam heater, oily temperature control valve, fuel oil filter, flow control valve, fuel flowmeter, magnetic valve.
The parts that ignite of burner comprise: pressure-regulating valve, magnetic valve, burning torch etc., and before forming, main flame lights the fire that ignites earlier.
Atomised form: comprise air atomizing or steam atomization.Entering oil gun after the compressed pressure regulation of air during air atomizing atomizes oil plant; Steam enters oil gun through the secondary voltage stabilizing again oil plant is atomized during steam atomization after first class pressure control valve decompression.
The sampling cooling-part comprises sampling cooler, vapor filter, valve, pipeline and tank.The composition that is used for sample analysis steam water, and calculate mass dryness fraction.
Claims (8)
1. vehicular Ultra-Super Critical Pressure Boiler, it comprises: combustion chamber (2), economizer (1), reducing connects flue (3), water-water heat exchanger (4), burner (5), feed pump (10), switch board (11), water pipeline (12), air compressor machine (13), trailer (9), board house (6), chimney (15), economizer tube bank (101), combustion chamber tube bank (201), boiler feedwater entrance (1201), saturation water outlet (1202), it is characterized in that: the horizontal placement of described combustion chamber (2) level, economizer (1) connects the rear end that flue (3) is connected combustion chamber (2) by reducing; Burner (5), combustion chamber (2), economizer (1), chimney (15) are communicated with successively along hot smoke movement direction; Periphery in the combustion chamber (2) is provided with combustion chamber tube bank (201); The structure of water-water heat exchanger (4) is that the snakelike reciprocation pipe of sleeve pipe form places outer top, combustion chamber (2), carries out heat exchange; Feedwater enters feed pump (10) from boiler feedwater entrance (1201), after being forced into 30.48MPa, passes through by feed pump (10) water pipeline (12), water-water heat exchanger (4), economizer tube bank (101), water-water heat exchanger (4), combustion chamber tube bank (201) more successively, progressively be heated intensification, to saturation water outlet (1202), output temperature reaches the ultra supercritical pressure saturated hot-water that 370 ℃, pressure reach 30MPa; Be provided with economizer tube bank (101) in the described economizer (1), it is trapezoidal that structure is that single light pipe and finned tube level back and forth are, and is positioned at the flue gas low-temperature zone; Described combustion chamber (2), economizer (1), feed pump (10), switch board (11), air compressor machine (13) are installed on the trailer (9); The whole bearing mode that adopts trailer of this boiler, mobile hot-water flooding or steam.
2. vehicular Ultra-Super Critical Pressure Boiler according to claim 1 is characterized in that: described combustion chamber (2) are horizontal straight flow structure, and outer surface is cylindrical drum, and inwall is lined with aluminosilicate refractory fiber; Combustion chamber tube bank (201) is that the single loop straight tube is along vertical snakelike back and forth be arranged in columnar structured of body of wall inwall; Pipe center line and the distance between furnace wall of tube bank (201) are 100mm.
3. vehicular Ultra-Super Critical Pressure Boiler according to claim 1, it is characterized in that: it also comprises: fuel line (17), fuel filler (1205), oil heater (8), electric heater (7), and described burner (5) is communicated with fuel filler (1205) by fuel line (17); Fuel line (17) is provided with oil heater (8) and electric heater (7).
4. vehicular Ultra-Super Critical Pressure Boiler according to claim 1 is characterized in that: economizer tube bank (101) has been arranged the light pipe heating surface at the smoke inlet end, and finned tube has been adopted at the rear portion.
5. vehicular Ultra-Super Critical Pressure Boiler according to claim 1, it is characterized in that: combustion chamber (2), economizer (1), feed pump (10), air compressor machine (13) and switch board (11) directly are welded on the trailer (9); Between burner (5) and combustion chamber (2), adopt bolt to be connected between chimney (15) and the economizer (1).
6. vehicular Ultra-Super Critical Pressure Boiler according to claim 1, it is characterized in that: described switch board (11) is made up of programmable controller and touch-screen; Has conventional data teletransmission interface.
7. vehicular Ultra-Super Critical Pressure Boiler according to claim 1, it is characterized in that: feedwater is passed through the cold water inlet (401) that water pipeline (12) enters water-water heat exchanger (4) again through feed pump (10), flowed out by cooling water outlet (402), enter economizer tube bank (101), hot water inlet (403) by water-water heat exchanger (4) enters by economizer tube bank (101) heated hot water, flowed out by hot water outlet (404), enter combustion chamber tube bank (201), cold water flows in the outer tube of sleeve pipe, and hot water flows in the inner layer pipe of sleeve pipe round about.
8. vehicular Ultra-Super Critical Pressure Boiler according to claim 1 is characterized in that: the operating pressure of regulating feed pump (10) is 21Mpa, and it is that 371 ℃ of steam qualitys are not higher than 80% saturated vapor that saturation water outlet (1202) produces vapor (steam) temperature.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163143XA CN103234188A (en) | 2013-05-06 | 2013-05-06 | Vehicle-mounted ultra-supercritical pressure boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310163143XA CN103234188A (en) | 2013-05-06 | 2013-05-06 | Vehicle-mounted ultra-supercritical pressure boiler |
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| CN103234188A true CN103234188A (en) | 2013-08-07 |
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| CN201310163143XA Pending CN103234188A (en) | 2013-05-06 | 2013-05-06 | Vehicle-mounted ultra-supercritical pressure boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421922A (en) * | 2013-09-04 | 2015-03-18 | 冯伟忠 | Modifying method for subcritical unit |
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| WO2008048817A2 (en) * | 2006-10-13 | 2008-04-24 | United Energy Corporation | Engine/steam generator with afterburner |
| CN201258723Y (en) * | 2008-11-26 | 2009-06-17 | 中国石油天然气第八建设有限公司 | Fixed form steam-filling boiler with 30t/h evaporation |
| 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 |
| CN202470019U (en) * | 2012-01-18 | 2012-10-03 | 中国石油天然气第八建设有限公司 | Special light tube and header-type steam generator for oil field |
| CN202581256U (en) * | 2012-01-17 | 2012-12-05 | 中国石油天然气第八建设有限公司 | Special modular skid-mounted steam generator with rated evaporation capacity equal to or lower than 5t/h for oil field |
-
2013
- 2013-05-06 CN CN201310163143XA patent/CN103234188A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008048817A2 (en) * | 2006-10-13 | 2008-04-24 | United Energy Corporation | Engine/steam generator with afterburner |
| CN201258723Y (en) * | 2008-11-26 | 2009-06-17 | 中国石油天然气第八建设有限公司 | Fixed form steam-filling boiler with 30t/h evaporation |
| CN202581256U (en) * | 2012-01-17 | 2012-12-05 | 中国石油天然气第八建设有限公司 | Special modular skid-mounted steam generator with rated evaporation capacity equal to or lower than 5t/h for oil field |
| CN202470019U (en) * | 2012-01-18 | 2012-10-03 | 中国石油天然气第八建设有限公司 | Special light tube and header-type steam generator for oil field |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104421922A (en) * | 2013-09-04 | 2015-03-18 | 冯伟忠 | Modifying method for subcritical unit |
| CN104421922B (en) * | 2013-09-04 | 2017-02-22 | 冯伟忠 | Modifying method for subcritical unit |
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Application publication date: 20130807 |