CN209229706U - Vehicular once through steam generator - Google Patents
Vehicular once through steam generator Download PDFInfo
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- CN209229706U CN209229706U CN201821935178.5U CN201821935178U CN209229706U CN 209229706 U CN209229706 U CN 209229706U CN 201821935178 U CN201821935178 U CN 201821935178U CN 209229706 U CN209229706 U CN 209229706U
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Abstract
The utility model 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 utility model reduces fuel consumption, reduces exhaust gas temperature, improves the thermal efficiency, reduces cost for oil production.
Description
Technical field
The utility model relates to the super of a kind of steam generator more particularly to a kind of petroleum industry heating exploitation underground viscous crude
High thermal 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 utility model provides a kind of vehicular once through steam generator, it is therefore an objective to improve
The thermal efficiency, 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 for the utility model: vehicular once through steam generator, including cigarette
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, evaporation
Section is located at burner hearth rear upper, and convection section is located above evaporator section；Convection bank is set in convection section, is arranged in evaporator section
Steam-generating bank, the upper convection section of convection section point and lower convection section are equipped with upper convection bank in upper convection section, are equipped in lower convection section
Lower convection bank.
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.
The utility model has the advantages of: the water temperature (5- that the utility model passes through water-water heat exchanger adjusting convection section entrance
80 DEG C), so that the exhaust gas temperature (50-130 DEG C) of steam generator is adjusted, when convection section inlet water temperature is 80 DEG C, steam hair
Raw device is identical as common steam generator process, the thermal efficiency 92%；When convection section inlet water temperature is 20 DEG C or less, steam generation
Device condensation operation, 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,
Boiler thermal efficiency is set to reach 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 convection section upper and lower parts flue-gas temperature is different (50-900 DEG C), lower convection section flue-gas temperature is high, and tube bundle designs are nail
Head tube, material 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
The special material of flue gas low-temperature corrosion, sprays the coating of resistance to flue gas corrosion in tube bank and ailhead outer surface.The bottom of upper convection section
Portion surface uses funnel form, and floor drain is arranged in minimum point, flue gas condensing water is discharged along floor drain, floor drain and sewage pipe are selected
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 heat
Efficiency reduces cost for oil production, and can reduce the influence to environment, also will bring great economic benefit for enterprise and society.
Detailed description of the invention
Fig. 1 is the utility model structure diagram.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the utility model convection section tube bank schematic diagram.
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 utility model is described further with reference to the accompanying drawing.
Following embodiment is only examples for clearly illustrating the present invention to clearly illustrate, and the implementation not to the utility model
The restriction of mode.For those of ordinary skill in the art, other can also be made not on the basis of the following description
With the variation or variation of form, and these belong to obvious changes or variations that the spirit of the present invention is drawn still in
Among the protection scope of the utility model.
As shown, the utility model vehicular once through steam generator, including flue gas system and water circuit system；Flue gas system
Evaporator section 1, convection section and chimney 3 in system are sequentially communicated along the hot fume direction of motion, and evaporator section 1 is located at 4 rear upper of burner hearth,
Convection section is located at 1 top of evaporator section；Convection bank is set in convection section, steam-generating bank, convection section point are set in evaporator section 1
Upper convection section 2 and lower convection section 5 are equipped with upper convection bank 6 in upper convection section 2, lower convection bank are equipped in lower convection section 5
14。
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.
Working principle of the utility model is: water pump 25 supplies water to water-water heat exchanger outer tube, the outer tube of water-water heat exchanger 21
Interior water is sent to the upper convection bank water inlet 11 of the first down tube 8, since 10 water of first baffle flows to the by the first connecting tube 9
One upper tube, 7 side flows to the other side of the first upper tube 7 from 7 side of the first upper tube, then is flowed under first by the first connecting tube 9
The upper convection bank water outlet 12 of pipe 8, under being from one end that the water of upper convection bank water outlet 12 out is sent to the second down tube 16
Convection bank 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 second
The side of upper tube 15 flows to the other side, then is sent to water-water heat exchange from convection bank water outlet 19 under the other end of the second down tube 16
The water of device inner tube, water-water heat exchanger inner tube is sent in steam-generating bank by the burner hearth tube bank in burner hearth 4, and steam-generating bank, which is sent out, steams
Vapour.And the burning of burner 22 generates flue gas, flue gas is moved along burner hearth 4, evaporator section 1, lower convection section 5 and upper convection section 2, most
It is discharged afterwards from chimney 3.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, under
Water in convection bank 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 according to claim 1, it is characterised in that upper convection bank includes on first
Pipe, the first down tube connect the first connecting tube of the first upper tube and the first down tube, and first baffle is equipped among the first down tube, the
One end of one down tube is upper convection bank water inlet, and the other end of the first down tube is upper convection bank water outlet.
3. vehicular once through steam generator according to claim 2, it is characterised in that the both ends of the first upper tube are equipped with envelope
Head is equipped with vent valve in one end of the first upper tube.
4. vehicular once through steam generator according to claim 1, it is characterised in that lower convection bank includes on second
Pipe, the second down tube connect the second connecting tube of the second upper tube and the second down tube, and second baffle is equipped among the second down tube, the
One end of two down tubes is water inlet, and the other end of the second down tube is lower convection bank water outlet.
5. vehicular once through steam generator according to claim 4, it is characterised in that the both ends of the second upper tube are equipped with envelope
Head is equipped with vent valve in one end of the second upper tube.
6. vehicular once through steam generator according to claim 1, it is characterised in that in upper convection section and lower convection section
It is respectively arranged below with a partition, smoke path is divided into S-shaped by two partitions.
7. vehicular once through steam generator according to claim 1, it is characterised in that be equipped with heat exchange in the top of burner hearth
Device, heat exchanger are water-water heat exchanger, and the inner tube inlet of water-water heat exchanger is connect with lower convection bank water outlet, water-water heat exchange
The outer tube outlet of device is connect with upper convection bank water inlet.
8. vehicular once through steam generator according to 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 steam-generating bank goes out
Mouth is steam (vapor) outlet.
9. vehicular once through steam generator according to claim 1, it is characterised in that burner hearth front end is equipped with burner, combustion
The front end of burner is equipped with control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935178.5U CN209229706U (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821935178.5U CN209229706U (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209229706U true CN209229706U (en) | 2019-08-09 |
Family
ID=67504053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821935178.5U Active CN209229706U (en) | 2018-11-23 | 2018-11-23 | Vehicular once through steam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209229706U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2018
- 2018-11-23 CN CN201821935178.5U patent/CN209229706U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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