CN102537922A - Module skid-mounting type steam generator with 5t/h and below special for oil field - Google Patents
Module skid-mounting type steam generator with 5t/h and below special for oil field Download PDFInfo
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- CN102537922A CN102537922A CN2012100144403A CN201210014440A CN102537922A CN 102537922 A CN102537922 A CN 102537922A CN 2012100144403 A CN2012100144403 A CN 2012100144403A CN 201210014440 A CN201210014440 A CN 201210014440A CN 102537922 A CN102537922 A CN 102537922A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Abstract
The invention relates to a module skid-mounting type steam generator with 5t/h and below special for an oil field, comprising a radiation section, a convection section, a chimney, a water-water heat exchanging device, a burner, a board room, a control cabinet and a skid base. The module skid-mounting type steam generator is characterized in that: the burner is directly communicated with the radiation section, the convection section is arranged on the top part of the radiation section and is communicated with the chimney, and the radiation section, the convection section, the chimney, the water-water heat exchanging device, the burner, the board room and the control cabinet are assembled on the skid base in a module manner. In the module skid-mounting type steam generator, the automaticity is greatly increased and heat efficiency is high. The boiler adopts a module skid-mounting loading method, is compact and reasonable in structure, small in volume, light in weight and convenient for integral transportation, and greatly reduces the recovery cost of crude oil at the same time.
Description
Technical field
The present invention is a kind of special equipment of petroleum industry heating exploitation.It is to utilize the HTHP moist steam that is produced to inject oil well, and the crude oil in the heating oil reservoir increases the flowability of viscous crude to reduce the viscosity of viscous crude, thereby can greatly improve the recovery ratio of viscous crude.Specifically be that a kind of 5t/h reaches with the special-purpose steam generator in lower module skid-mounted oil field.
Background technology
Steam generator is the nucleus equipment of oil-field thick-oil exploitation, and domestic production starts from the eighties initial stage, and my company is the domestic enterprise that produces this equipment the earliest.Its rated capacity of skid-mounted steam generator of producing both at home and abroad at present has 7t/h, 9.2t/h, 11.2t/h, 23t/h, and pressure has 17.2MPa, 18MPa, 21MPa, and vapor (steam) temperature is saturation temperature, and steam quality is up to 80%.
Along with updating and deeply of oil field DP technology; The required quantity of steam of the little oil mining of part is little, and traditional steam generator discharge capacity is big, needs to reduce load operation; Cause the wasting of resources, and little 5t/h of the required quantity of steam of little oil mining and following sledge dress steam generator are still blank at present.
Summary of the invention
The object of the invention is: for the wasting of resources that overcomes above-mentioned little oil mining, the problem that the cost of gathering is high, provide a kind of 5t/h to reach with the special-purpose steam generator in lower module skid-mounted oil field.It changes the horizontal layout of traditional convection section into vertical layout, adopts module sledge dress bearing mode, makes boiler structure compact and reasonable more, also more helps user's transportation resettlement, and can reduce the cost of gathering of crude oil greatly.
The present invention seeks to realize through such technical scheme: a kind of 5t/h reaches with the special-purpose steam generator in lower module skid-mounted oil field; Comprise: radiant section, convection section, chimney, water-water heat exchanger, burner, board house, switch board and sledge seat; Described burner directly is communicated with radiant section, convection section is arranged in the radiant section top; Convection section is communicated with chimney, and described radiant section, convection section, chimney, water-water heat exchanger burner, board house, switch board all are assembled on the sledge seat with modular form.
Described radiant section is the cylindrical shape body of wall, and interior wall liner is an aluminosilicate refractory fiber, and tail end is provided with the square exhaust gases passes, and described radiant section tube bank back and forth is arranged in columnar structured for the single loop straight tube is snakelike; The rectangular configuration that described convection section is made up of finned tube and light pipe, tube bank is formed by the snakelike reciprocal arrangement of single loop straight tube; Described convection section is arranged in the top of radiant section; Described water-water heat exchanger is to adopt the snakelike reciprocal tubular structural configuration of bushing type at the radiant section top.
Described burner is communicated with fuel gas inlet and the fuel filler that safety-valve is set through burning line, fuel line respectively; Fuel line is provided with oil heater and electric heater.
Described switch board is automatic control controller able to programme+touch-screen forming control system.
Described radiant section 1 is communicated with steam (vapor) outlet and the drain that valve is set, and the convection section top is provided with chimney.
Described burner, control panel and feed pump are arranged in the board house on the sledge seat.
It is vertical direct current cooker that 5t/h of the present invention reaches with the special-purpose steam generator in lower module skid-mounted oil field, and radiant section and convection section are snakelike the arranging of single backhaul straight tube level, and the radiant section combustion chamber is circular; Furnace pressure is a pressure-fired, and convection section is a rectangle, and convection section, water-water heat exchanger are installed on the radiant section; The cancellation changeover portion had so both dwindled body of heater length, convenient again transportation; The module assembling, automaticity is high.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is Fig. 1 schematic top plan view of the present invention;
Fig. 3 is that sketch map is looked on Fig. 1 of the present invention left side;
Fig. 4 is Fig. 1 schematic rear view of the present invention;
Fig. 5 is a workflow sketch map of the present invention;
Fig. 6 is a radiant section tube bank sketch map of the present invention;
Fig. 7 is that radiant section tube bank sketch map is looked on Fig. 6 of the present invention left side;
Fig. 8 is a convection section tube bank sketch map of the present invention;
Fig. 9 is that sketch map is looked on Fig. 8 left side.
The numbering explanation:
1. radiant section; 2. convection section; 3. chimney; 4. water-water heat exchanger; 5. oil heater;
6. electric heater; 7. burner; 8. board house; 9. switch board; 10. feed pump;
11. steam pipeline; 12. sledge seat; 13. burning line; 14, fuel line.
1101. feed-water intake; 1102. steam (vapor) outlet; 1103. drain 1301. fuel gas inlets;
1401. fuel filler.
The specific embodiment
Embodiment
A kind of 5t/h reaches with the special-purpose steam generator in lower module skid-mounted oil field; Comprise: radiant section 1, convection section 2, chimney 3, water-water heat exchanger 4; Described radiant section 1, convection section 2, chimney 3, water-water heat exchanger 4, burner 7, board house 8, switch board 9, pipeline etc. all are assembled on the sledge seat 12 with modular form; Described radiant section 1 is the cylindrical shape body of wall; Interior wall liner is an aluminosilicate refractory fiber, and tail end is provided with the square exhaust gases passes, and described radiant section tube bank 101 back and forth is arranged in columnar structured for the single loop straight tube is snakelike; The rectangular configuration that described convection section 2 is made up of finned tube and light pipe, tube bank 201 is formed by the snakelike reciprocal arrangement of single loop straight tube; Described convection section is arranged in the top of radiant section.Described water-water heat exchanger 4 is the snakelike reciprocal tubular-shaped structures that adopt the sleeve pipe form to form, and is arranged in the top of radiant section.
Described burner 7 directly is communicated with radiant section 1, convection section 2, chimney 3 successively, and burner 7 is communicated with the fuel gas inlet 1301 and fuel filler 1401 that safety-valve is set.Fuel line is provided with oil heater 5 and electric heater 6.
Described switch board 9 is programmable automatic control controller+touch-screen forming control system.
Described radiant section 1 is communicated with the steam (vapor) outlet 1102 and drain 1103 that valve is set, and convection section 2 tops are provided with chimney 3.
Described burner 7, control panel 9 and feed pump 10 are arranged in the board house 8 on the sledge seat 12.
This boiler structure partly is summarised as: two big sections: i.e. radiant section 1, convection section 2; Three big systems: boiler circuit is a carbonated drink pipeline 11; Combustion system comprises: burner 7, fuel line 14, burning line 13; Robot control system(RCS) is a switch board 9.
The housing outer surface mean temperature was less than 50 ℃ when described radiant section 1 normally moved.Radiant section tube bank 101 back and forth is arranged in columnar structured for the single loop straight tube is snakelike, considered the heat transfer and the safe operation of heating surface during design, has considered the maximum flame adjusting of burner size, makes flame not produce situation such as welt phenomenon with tube bank.The distance of the optimum value between pipe and furnace wall, this confirms according to directly absorbing radiant heat and reflected radiation heat.Boiler tube forms a cover steam circulation along vertical snakelike the arranging of radiant section body of wall inwall.Its thermal efficiency is high, good heat radiation effect.
Described convection section 2 adds the rectangular configuration that finned tube is formed by light pipe, and tube bank 201 is formed by the snakelike reciprocal arrangement of single loop straight tube.Convection section is arranged in the top of radiant section, and no changeover portion has advantages such as compact conformation, volume is little, the thermal efficiency is high, flue gas resistance is little.
Described robot control system(RCS) is to adopt PLC (controller of automatic controlization able to programme)+touch-screen forming control system.
Major functions and features:
(1) steam exit temperature alarming value dynamic tracking, calculating in real time need not artificially be set;
(2) man-machine interface is directly perceived, friendly, and is easy to maintenance, simple operation;
(3) system has self-diagnostic function, and fault rate is low;
(4) system has the rich data management function, and historical data can permanent storage;
(5) be tending towards human oriented design, its dependable performance, safety, stable;
(6) have conventional data teletransmission interface, can realize data online browsing and storage, meet the needs of current oil field data management.
Described water-steam system:
Water-steam system is meant from the vapor channel between feed-water intake 1101 to the steam (vapor) outlet 1102; By radiation heating-surface, convection heating surface with and the flow system formed of scope interior conduit; Shown in flow chart; Be the main pressurized assembly of boiler, for operation safely and efficiently, it has installed following device:
1. inlet damper and outlet damper are to reduce the plunger displacement pump vibrations;
2. feed pump outlet safety valve is to prevent the feed pump superpressure;
3. feed pump outlet check valve is with anti-backflow;
4. measuring diaphragm and metering system make feedwater before getting into the convection section flow process, obtain flow-control and metering from the feed pump outlet;
5. water-water heat exchanger and bypass cutoff valve are used to regulate water temperature, and temperature constant is about 110-120 ℃ before getting into convection section to make feedwater, and feed temperature is brought up to more than the flue gas dew point, to avoid the cold end corrosion of flue gas to tube wall;
6. the steam (vapor) outlet safety valve is for protection equipment and personal safety and the important safety part that is provided with;
7. steam (vapor) outlet check valve, stop valve are to prevent that annotating well steam flows backwards, controls and annotate well steam;
8. the base of establishing on the flow process is used for installing on the spot and teletransmission pressure, thermometric instrument and discharged air;
9. steam (vapor) outlet bypass cutoff valve and pipeline are used to open the discharging of stove initial period.
Described combustion system is made up of burner 7 (carrying air blast), burner hearth, exhaust gases passes etc.
Burner 7 is selected Italian KRBY512 product for use, adopts steam, air atomizing mode, and combustion system is an oil-gas two-way.Exhaust gases passes is provided with the warm galvanic couple of cigarette.
Described 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 etc.Electric heater stops heating or compensation when changing into the Steam Heating fuel oil after opening the use of stove initial stage, producing the steam of 40% mass dryness fraction when operation.Electric heater adopts anti-explosion product, forms temperature control PID regulating loop by thermocouple, PLC, oily temperature control valve, realizes that oily temperature control is constant, safe and reliable, shown in flow chart.
Described gas burning system is made up of main combustion and ignition system.Main combustion system comprises electronic stop valve, emptying magnetic valve, gas meter, self-contained pressure regulator, expansion tube etc., and in sever supply natural gas moment, the emptying magnetic valve is charged to discharge emptying with the gas that retains between two electronic stop valves; Ignition system comprises pressure-regulating valve, magnetic valve, burning torch etc., and main flame is lighted the fire that ignites earlier before forming, shown in flow chart.
Described atomised form comprises air atomizing or steam atomization.Air atomizes oil plant through compression pressure regulation entering oil gun during air atomizing; Steam atomizes oil plant through secondary voltage stabilizing entering oil gun after the decompression of first class pressure control valve again during steam atomization, shown in flow chart.
Described sampling cooling system comprises sampling cooler, vapor filter, valve, pipeline and a tank.The composition that is used for sample analysis steam water, and calculate mass dryness fraction, shown in flow chart.
Connected mode between each parts
For guaranteeing safe and stable operation; Adopted the connected mode of welding between the radiant section 1 of boiler and the convection section 2 and between they and sledge seat 12 and the board house 8; Flue gas is sealed reliably, reduce thermal loss, and can guarantee operating personnel's personal safety.Cause the junction loosening when simultaneously, having avoided the equipment operation again.Burner 7 is connected with convection section 2 usefulness bolts with the end cap and the chimney 3 of radiant section, is convenient to the maintenance and the cleaning of equipment like this.
The present invention has carried out preliminary experiment for satisfying customer requirements to following series of products.
Important technological parameters:
1. boiler model: YZG5-15-D
2. rated capacity: 5t/h
3. operating pressure: 15MPa
4. vapor (steam) temperature: 342 ℃
5. steam quality: 80%
6. the thermal efficiency: >=88%
7. fuel: oil, gas
8. control mode: PLC+ touch-screen
The experiment proof: little, the compact conformation of volume of the present invention, in light weight, conveniently moving, Fuel Consumption is low, and the thermal efficiency is high, and adaptability is strong, has not only protected environment but also practiced thrift resource.
Simultaneously, it possesses following advantage:
(1) convection section is arranged on radiant section top, and compact conformation need not convection section is pulled down independent transportation;
(2) can the oepration at full load of float amount, improve the thermal efficiency, energy-conserving and environment-protective;
(3) cancellation boiler changeover portion, volume is little, and area of dissipation reduces, and improves the thermal efficiency;
(4) adopt advanced control technology, automaticity improves greatly.
Claims (6)
1. a 5t/h reaches with the special-purpose steam generator in lower module skid-mounted oil field; Comprise: radiant section (1), convection section (2), chimney (3), water-water heat exchanger (4), burner (7), board house (8), switch board (9) and sledge seat (12); It is characterized in that: described burner (7) directly is communicated with radiant section (1), convection section (2); Convection section (2) is arranged in radiant section (1) top; Convection section (2) is communicated with chimney (3), and described radiant section (1), convection section (2), chimney (3), water-water heat exchanger (4) burner (7), board house (8), switch board (9) all are assembled on the sledge seat (12) with modular form.
2. 5t/h according to claim 1 reaches with the special-purpose steam generator in lower module skid-mounted oil field; It is characterized in that: described radiant section (1) is the cylindrical shape body of wall; Interior wall liner is an aluminosilicate refractory fiber; Tail end is provided with the square exhaust gases passes, and described radiant section tube bank (101) back and forth is arranged in columnar structured for the single loop straight tube is snakelike; The rectangular configuration that described convection section (2) is made up of finned tube and light pipe, tube bank (202) is formed by the snakelike reciprocal arrangement of single loop straight tube; Described convection section (2) is arranged in the top of radiant section (1); Described water-water heat exchanger (4) is to adopt the snakelike reciprocal tubular-shaped structures of bushing type, is arranged in radiant section (1) top.
3. 5t/h according to claim 1 reaches with the special-purpose steam generator in lower module skid-mounted oil field, it is characterized in that: described burner (7) is communicated with fuel gas inlet (1301) and the fuel filler (1401) that safety-valve is set through burning line (13), fuel line (14) respectively; Fuel line (14) is provided with oil heater (5) and electric heater (6).
4. 5t/h according to claim 1 reaches with the special-purpose steam generator in lower module skid-mounted oil field, and it is characterized in that: described switch board (9) is automatic control controller able to programme+touch-screen forming control system.
5. 5t/h according to claim 1 reaches with the special-purpose steam generator in lower module skid-mounted oil field, it is characterized in that: described radiant section 1 is communicated with steam (vapor) outlet (1102) and the drain (1103) that valve is set, and convection section (2) top is provided with chimney (3).
6. 5t/h according to claim 1 reaches with the special-purpose steam generator in lower module skid-mounted oil field, and it is characterized in that: described burner (7), control panel (9) and feed pump (10) are arranged in the board house (8) on the sledge seat (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100144403A CN102537922A (en) | 2012-01-17 | 2012-01-17 | Module skid-mounting type steam generator with 5t/h and below special for oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100144403A CN102537922A (en) | 2012-01-17 | 2012-01-17 | Module skid-mounting type steam generator with 5t/h and below special for oil field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102537922A true CN102537922A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100144403A Pending CN102537922A (en) | 2012-01-17 | 2012-01-17 | Module skid-mounting type steam generator with 5t/h and below special for oil field |
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| Country | Link |
|---|---|
| CN (1) | CN102537922A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371264A (en) * | 2015-11-24 | 2016-03-02 | 佛山高富中石油燃料沥青有限责任公司 | Device for preventing boiler steam from flowing back |
| CN107940433A (en) * | 2017-12-28 | 2018-04-20 | 西安富凯能源科技有限责任公司 | A kind of multi-combustor combined type injection boiler |
| CN109442367A (en) * | 2018-11-23 | 2019-03-08 | 中国石油天然气第八建设有限公司 | Vehicular once through steam generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489679A (en) * | 1983-12-12 | 1984-12-25 | Combustion Engineering, Inc. | Control system for economic operation of a steam generator |
| JP2003288924A (en) * | 2002-01-28 | 2003-10-10 | Calsonic Kansei Corp | Condenser for fuel cell system |
| CN101408097A (en) * | 2008-11-26 | 2009-04-15 | 中国石油天然气第八建设有限公司 | Stationary type steam injecting boiler with evaporation of 30 ton / hour |
| CN201327014Y (en) * | 2009-04-08 | 2009-10-14 | 辽河石油勘探局总机械厂 | Fixed subcritical pressure steam injection boiler |
| 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 |
-
2012
- 2012-01-17 CN CN2012100144403A patent/CN102537922A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4489679A (en) * | 1983-12-12 | 1984-12-25 | Combustion Engineering, Inc. | Control system for economic operation of a steam generator |
| JP2003288924A (en) * | 2002-01-28 | 2003-10-10 | Calsonic Kansei Corp | Condenser for fuel cell system |
| CN101408097A (en) * | 2008-11-26 | 2009-04-15 | 中国石油天然气第八建设有限公司 | Stationary type steam injecting boiler with evaporation of 30 ton / hour |
| CN201327014Y (en) * | 2009-04-08 | 2009-10-14 | 辽河石油勘探局总机械厂 | Fixed subcritical pressure steam injection boiler |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 武俊宪等: "辽河海上稠油热采注蒸汽锅炉小型化技术研究", 《中国造船》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371264A (en) * | 2015-11-24 | 2016-03-02 | 佛山高富中石油燃料沥青有限责任公司 | Device for preventing boiler steam from flowing back |
| CN107940433A (en) * | 2017-12-28 | 2018-04-20 | 西安富凯能源科技有限责任公司 | A kind of multi-combustor combined type injection boiler |
| CN109442367A (en) * | 2018-11-23 | 2019-03-08 | 中国石油天然气第八建设有限公司 | Vehicular once through steam generator |
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Application publication date: 20120704 |