CN109442367A - Vehicular once through steam generator - Google Patents
Vehicular once through steam generator Download PDFInfo
- Publication number
- CN109442367A CN109442367A CN201811402422.6A CN201811402422A CN109442367A CN 109442367 A CN109442367 A CN 109442367A CN 201811402422 A CN201811402422 A CN 201811402422A CN 109442367 A CN109442367 A CN 109442367A
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- CN
- China
- Prior art keywords
- tube
- convection
- bank
- section
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003546 flue gas Substances 0.000 claims abstract description 20
- 239000003517 fume Substances 0.000 claims abstract description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical group O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
- F22B31/08—Installation of heat-exchange apparatus or of means in boilers for heating air supplied for combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B31/00—Modifications of boiler construction, or of tube systems, dependent on installation of combustion apparatus; Arrangements of dispositions of combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/10—Water tubes; Accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The present invention relates to a kind of steam generator more particularly to a kind of superelevation thermal efficiency vehicular once through steam generators of petroleum industry heating exploitation underground viscous crude.Vehicular once through steam generator, including flue gas system and water circuit system；Evaporator section, convection section and chimney in flue gas system are sequentially communicated along the hot fume direction of motion, and evaporator section is located at burner hearth rear upper, and convection section is located above evaporator section；Convection bank is set in convection section, steam-generating bank, the upper convection section of convection section point and lower convection section are set in evaporator section, is equipped with upper convection bank in upper convection section, lower convection bank is equipped in lower convection section.The present invention reduces fuel consumption, reduces exhaust gas temperature, improves the thermal efficiency, reduces cost for oil production.
Description
Technical field
The present invention relates to the excessive heats of a kind of steam generator more particularly to a kind of petroleum industry heating exploitation underground viscous crude
Efficiency vehicular once through steam generator.
Background technique
It is domestic at present the steam generator thermal efficiency generally less than 88%, and newly-designed steam generator requires combustion
The oily thermal efficiency >=90%, the combustion gas thermal efficiency >=92%, although the space for being able to satisfy national standard, but still being improved.Present steam
The trend of generator is to reduce flue gas emission, improves the thermal efficiency.Under the impact of low oil price, domestic and international each oil field is saved in open source
Stream reduces cost, and the thermal efficiency of steam generator directly determines that the consumption of fuel, the thermal efficiency of steam generator are higher
Cost for oil production is lower, and the ability that low oil price is resisted in oil field is stronger.
Summary of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of vehicular once through steam generator, it is therefore an objective to improve thermal effect
Rate, reduction cost for oil production is low, meets multiple operating condition operation.
In order to achieve the above object, the following technical solution is employed: vehicular once through steam generator by the present invention, including flue gas system
System and water circuit system；Evaporator section, convection section and chimney in flue gas system are sequentially communicated along the hot fume direction of motion, evaporate section
In burner hearth rear upper, convection section is located above evaporator section；Convection bank is set in convection section, evaporation is set in evaporator section
Tube bank, the upper convection section of convection section point and lower convection section are equipped with upper convection bank in upper convection section, and it is lower right to be equipped in lower convection section
Flowing bundle.
Upper convection bank includes the first upper tube, the first down tube, connects the first connecting tube of the first upper tube and the first down tube,
First baffle is equipped among first down tube, one end of the first down tube is upper convection bank water inlet, and the other end of the first down tube is
Upper convection bank water outlet.
The both ends of first upper tube are equipped with end socket, are equipped with vent valve in one end of the first upper tube.
Lower convection bank includes the second upper tube, the second down tube, connects the second connecting tube of the second upper tube and the second down tube,
Second baffle is equipped among second down tube, one end of the second down tube is water inlet, and the other end of the second down tube is lower convection bank
Water outlet.
The both ends of second upper tube are equipped with end socket, are equipped with vent valve in one end of the second upper tube.
It is respectively arranged below with a partition in upper convection section and lower convection section, smoke path is divided into S-shaped by two partitions.
It is equipped with heat exchanger in the top of burner hearth, heat exchanger is water-water heat exchanger, and the inner tube inlet of water-water heat exchanger is under
The outer tube outlet of the connection of convection bank water outlet, water-water heat exchanger is connect with upper convection bank water inlet.
It is equipped with burner hearth in burner hearth to restrain, burner hearth tube bank is connect with the inner tube outlet of water-water heat exchanger, and burner hearth is restrained and steamed
The entrance connection of hair tube bank, the outlet of steam-generating bank are steam (vapor) outlet.
Burner hearth front end is equipped with burner, and the front end of burner is equipped with control cabinet.
Advantages of the present invention effect: the present invention adjusts the water temperature (5-80 DEG C) of convection section entrance by water-water heat exchanger, from
And adjust the exhaust gas temperature (50-130 DEG C) of steam generator, when convection section inlet water temperature be 80 DEG C when, steam generator with it is general
Logical steam generator process is identical, the thermal efficiency 92%；When convection section inlet water temperature is 20 DEG C or less, steam generator condensation fortune
Row, for exhaust gas temperature less than 70 DEG C, the vapor in the flue gas in convection section generates condensation, discharges a large amount of heat, makes boiler hot
Efficiency reaches 94% or more, energy efficiency.Evaporator section flue-gas temperature is high, the tube bank light pipe horizontal reciprocating using single tube.In view of pair
It is different (50-900 DEG C) to flow section upper and lower parts flue-gas temperature, lower convection section flue-gas temperature is high, and tube bundle designs are studded tube, material
Material is 15CrMoG；Upper convection section flue-gas temperature is low, and tube bundle designs are studded tube, and material is ND steel, and ND steel is resistance to flue gas low-temperature
The special material of corrosion sprays the coating of resistance to flue gas corrosion in tube bank and ailhead outer surface.The bottom surface of upper convection section is adopted
With funnel form, floor drain is set in minimum point, flue gas condensing water is discharged along floor drain, floor drain and sewage pipe select inner lining of steel pipe
Tetrafluoroethene prevents corrosion of the condensed water to sewage pipe.Fuel consumption is reduced, exhaust gas temperature is reduced, improves the thermal efficiency, is reduced
Cost for oil production, and the influence to environment can be reduced, also great economic benefit will be brought for enterprise and society.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is convection section tube bank schematic diagram of the present invention.
In figure: 1, evaporator section；2, upper convection section；3, chimney；4, burner hearth；5, lower convection section；6, upper convection bank；7, first
Upper tube；8, the first down tube；9, the first connecting tube；10, first baffle；11, convection bank water inlet；12, upper convection bank water outlet
Mouthful；13, vent valve；14, lower convection bank；15, the second upper tube；16, the second down tube；17, the second connecting tube；18, second baffle；
19, lower convection bank water outlet；20, partition；21, water-water heat exchanger；22, burner；23, control cabinet；24, lower convection bank
Water inlet；25, water pump.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Following embodiment is only examples made by the present invention to clearly illustrate, and not to the limit of embodiments of the present invention
It is fixed.For those of ordinary skill in the art, it is various forms of that other can also be made on the basis of the following description
Variation changes, and these belong to obvious changes or variations that spirit of that invention is drawn still in protection of the invention
Among range.
As shown, vehicular once through steam generator of the present invention, including flue gas system and water circuit system；In flue gas system
Evaporator section 1, convection section and chimney 3 be sequentially communicated along the hot fume direction of motion, evaporator section 1 is located at 4 rear upper of burner hearth, convection current
Section is located at 1 top of evaporator section；Convection bank is set in convection section, steam-generating bank, convection section point Shang pair are set in evaporator section 1
Section 2 and lower convection section 5 are flowed, upper convection bank 6 is equipped in upper convection section 2, lower convection bank 14 is equipped in lower convection section 5.
Upper convection bank includes the first upper tube 7, the first down tube 8, connects the first connection of the first upper tube 7 and the first down tube 8
Pipe 9, is equipped with first baffle 10 among the first down tube 8, and one end of the first down tube 8 is upper convection bank water inlet 11, under first
The other end of pipe 8 is upper convection bank water outlet 12.
The both ends of first upper tube 7 are equipped with end socket, are equipped with vent valve 13 in one end of the first upper tube 7.
Lower convection bank 14 includes the second upper tube 15, the second down tube 16, connects the of the second upper tube 15 and the second down tube 16
Two connecting tubes 17, are equipped with second baffle 18 among the second down tube 16, and one end of the second down tube 16 is lower convection bank water inlet
24, it is connect with upper convection bank water outlet 12；The other end of second down tube 16 is lower convection bank water outlet 19.
The both ends of second upper tube 15 are equipped with end socket, are equipped with vent valve in one end of the second upper tube 15.
It is respectively arranged below with a partition 20 in upper convection section 2 and lower convection section 5, smoke path is divided by two partitions 20
S-shaped.As shown in figure 3, arrow direction is the path of flow of flue gas.
Be equipped with heat exchanger in the top of burner hearth 4, heat exchanger is water-water heat exchanger, the inner tube inlet of water-water heat exchanger 21 with
Lower convection bank water outlet 19 connects, and the outer tube outlet of water-water heat exchanger 21 is connect with upper convection bank water inlet 11.
It is equipped with burner hearth in burner hearth 4 to restrain, burner hearth tube bank is connect with the inner tube outlet of water-water heat exchanger 21, burner hearth tube bank
It is connect with the entrance of steam-generating bank, the outlet of steam-generating bank is steam (vapor) outlet.
4 front end of burner hearth is equipped with burner 22, and the front end of burner 22 is equipped with control cabinet 23.
The working principle of the invention: water pump 25 supplies water to water-water heat exchanger outer tube, in the outer tube of water-water heat exchanger 21
Water is sent to the upper convection bank water inlet 11 of the first down tube 8, since 10 water of first baffle is flowed on first by the first connecting tube 9
7 side of pipe flows to the other side of the first upper tube 7 from 7 side of the first upper tube, then flows to the first down tube 8 by the first connecting tube 9
Upper convection bank water outlet 12, one end that the water come out from upper convection bank water outlet 12 is sent to the second down tube 16 is lower convection tube
Beam water inlet 24, since 18 water of second baffle passes through the side that the second connecting tube 17 flows to the second upper tube 15, from the second upper tube 15
Side flow to the other side, then be sent to water-water heat exchanger inner tube from convection bank water outlet 19 under the other end of the second down tube 16,
The water of water-water heat exchanger inner tube is sent in steam-generating bank by the burner hearth tube bank in burner hearth 4, and steam is sent out in steam-generating bank.And it fires
The burning of burner 22 generates flue gas, and flue gas is moved along burner hearth 4, evaporator section 1, lower convection section 5 and upper convection section 2, finally from cigarette
Chimney 3 is discharged.When by burner hearth 4, evaporator section 1, lower convection section 5 and upper convection section 2, to burner hearth tube bank, steam-generating bank, lower convection tube
Water in beam and upper convection bank is heated.
Claims (9)
1. vehicular once through steam generator, it is characterised in that including flue gas system and water circuit system；Evaporation in flue gas system
Section, convection section and chimney are sequentially communicated along the hot fume direction of motion, and evaporator section is located at burner hearth rear upper, and convection section is located at evaporation
Duan Shangfang；Convection bank is set in convection section, steam-generating bank, the upper convection section of convection section point and lower convection current are set in evaporator section
Section is equipped with upper convection bank in upper convection section, lower convection bank is equipped in lower convection section.
2. vehicular once through steam generator described in claim 1, it is characterised in that upper convection bank includes the first upper tube, the
One down tube connects the first connecting tube of the first upper tube and the first down tube, and first baffle, the first down tube are equipped among the first down tube
One end be upper convection bank water inlet, the other end of the first down tube is upper convection bank water outlet.
3. vehicular once through steam generator as claimed in claim 2, it is characterised in that the both ends of the first upper tube are equipped with end socket,
One end of first upper tube is equipped with vent valve.
4. vehicular once through steam generator described in claim 1, it is characterised in that lower convection bank includes the second upper tube, the
Two down tubes connect the second connecting tube of the second upper tube and the second down tube, and second baffle, the second down tube are equipped among the second down tube
One end be water inlet, the other end of the second down tube is lower convection bank water outlet.
5. vehicular once through steam generator as claimed in claim 4, it is characterised in that the both ends of the second upper tube are equipped with end socket,
One end of second upper tube is equipped with vent valve.
6. vehicular once through steam generator described in claim 1, it is characterised in that below upper convection section and lower convection section
It is respectively equipped with a partition, smoke path is divided into S-shaped by two partitions.
7. vehicular once through steam generator described in claim 1, it is characterised in that be equipped with heat exchanger in the top of burner hearth, change
Hot device is water-water heat exchanger, and the inner tube inlet of water-water heat exchanger is connect with lower convection bank water outlet, outside water-water heat exchanger
Pipe outlet is connect with upper convection bank water inlet.
8. vehicular once through steam generator described in claim 1, it is characterised in that burner hearth, which is equipped with, in burner hearth restrains, burner hearth
Tube bank is connect with the inner tube outlet of water-water heat exchanger, and burner hearth tube bank is connect with the entrance of steam-generating bank, and the outlet of steam-generating bank is
Steam (vapor) outlet.
9. vehicular once through steam generator described in claim 1, it is characterised in that burner hearth front end is equipped with burner, burner
Front end be equipped with control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811402422.6A CN109442367A (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811402422.6A CN109442367A (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109442367A true CN109442367A (en) | 2019-03-08 |
Family
ID=65554650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811402422.6A Pending CN109442367A (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109442367A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB868120A (en) * | 1956-10-03 | 1961-05-17 | La Mont Int Ass Ltd | Improvements in and relating to steam generators |
| CN101881434A (en) * | 2010-07-02 | 2010-11-10 | 西安交通大学 | Vehicle-mounted high-pressure DC steam injection boiler system with three-pass flue gas |
| CN102537922A (en) * | 2012-01-17 | 2012-07-04 | 中国石油天然气第八建设有限公司 | Module skid-mounting type steam generator with 5t/h and below special for oil field |
| CN205227268U (en) * | 2015-11-12 | 2016-05-11 | 中国石油天然气第八建设有限公司 | Light -duty high mass dryness fraction steam generator of vehicular |
| CN107883364A (en) * | 2017-12-21 | 2018-04-06 | 中国石油天然气第八建设有限公司 | Fixed high thermal efficiency direct-flow gas injection boiler |
| CN209229706U (en) * | 2018-11-23 | 2019-08-09 | 中国石油天然气第八建设有限公司 | Vehicular once through steam generator |
-
2018
- 2018-11-23 CN CN201811402422.6A patent/CN109442367A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB868120A (en) * | 1956-10-03 | 1961-05-17 | La Mont Int Ass Ltd | Improvements in and relating to steam generators |
| CN101881434A (en) * | 2010-07-02 | 2010-11-10 | 西安交通大学 | Vehicle-mounted high-pressure DC steam injection boiler system with three-pass flue gas |
| CN102537922A (en) * | 2012-01-17 | 2012-07-04 | 中国石油天然气第八建设有限公司 | Module skid-mounting type steam generator with 5t/h and below special for oil field |
| CN205227268U (en) * | 2015-11-12 | 2016-05-11 | 中国石油天然气第八建设有限公司 | Light -duty high mass dryness fraction steam generator of vehicular |
| CN107883364A (en) * | 2017-12-21 | 2018-04-06 | 中国石油天然气第八建设有限公司 | Fixed high thermal efficiency direct-flow gas injection boiler |
| CN209229706U (en) * | 2018-11-23 | 2019-08-09 | 中国石油天然气第八建设有限公司 | Vehicular once through steam generator |
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