CN206478614U - A kind of fixed superheated steam generator of split type large-tonnage of burner hearth - Google Patents
A kind of fixed superheated steam generator of split type large-tonnage of burner hearth Download PDFInfo
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- CN206478614U CN206478614U CN201621274474.6U CN201621274474U CN206478614U CN 206478614 U CN206478614 U CN 206478614U CN 201621274474 U CN201621274474 U CN 201621274474U CN 206478614 U CN206478614 U CN 206478614U
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- superheated steam
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- burner hearth
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Abstract
A kind of fixed superheated steam generator of split type large-tonnage of burner hearth, mainly solve individual well steam demand amount big, and the problem of for superheated steam, the utility model provides a kind of fixed superheated steam generator of split type large-tonnage of burner hearth, including flue gas system, water circuit system；The flue gas system includes burner, radiant box, changeover portion, superheater, economizer, preheater, chimney and is sequentially communicated along the heat smoke direction of motion；Water circuit system includes boiler feedwater inlet and steam (vapor) outlet, pipeline；The preheated device preheating of purified water, into after feed pump pressurization, passes sequentially through water pipeline, economizer, radiant box tube bank, spherical steam-water extractor, superheater to steam (vapor) outlet, is progressively heated up, export superheated steam.The utility model equipment is that the current country can be produced, and can realize the maximum tonnage superheated steam generator of transport.The superheated steam injection oil reservoir effect that this equipment is produced is good, can increase the recovery ratio of crude oil, drastically increase heat utilization rate.
Description
Technical field
The utility model is related to a kind of steam generator of petroleum industry heating exploitation underground viscous crude, more particularly to a kind of stove
The fixed superheated steam generator of the split type large-tonnage of thorax.
Background technology
Shown according to newest research results, the multi-round exploitation in viscous crude later stage is mainly former by the heating of the steam latent heat of vaporization
Oil, so the water in steam not only has no to help to production, can increase occupy formation pore volume on the contrary, make Produced Liquid moisture content
Rise.In order to increase substantially the recovery ratio of viscous crude, it is desirable to which injecting steam quality, the higher the better, bottom-hole steam quality up to 100% or
It is superheated to optimal.
Before, restricted by objective factors such as research and development technology, processing and manufacturing, traffic conditions, there is no both at home and abroad 50 tons with
On large-tonnage superheated steam generator, cause many oil wells need several small tonnage steam generator simultaneously steam injection, to expire
Demand of the foot to steam injection amount.The raising of user cost had so both been caused, site operation, the inconvenience of operation is also result in.This reality
Split type, modular design concept is used with new, the monomer volume of each module is reduced, is meeting the same of movement requirement
When, the quick assembling of Oil Field is also achieved, the manufacture for realizing fixed large-tonnage superheated steam generator is used.
The content of the invention
The purpose of this utility model is to provide a kind of fixed superheated steam generator of the split type large-tonnage of burner hearth, to solve
Individual well steam demand amount is big, and the problem of for superheated steam.
The utility model uses following technical scheme：
A kind of fixed superheated steam generator of split type large-tonnage of burner hearth, the steam generator includes flue gas system, water
Road system, it is characterised in that：Described flue gas system includes：Burner (2), radiant box (3), changeover portion (6), superheater
（5）, economizer（4）, preheater（7）, chimney (11) is sequentially communicated along the heat smoke direction of motion；The burner（2）Positioned at institute
State radiant box（3）Front end, the changeover portion（6）Positioned at the radiant box（3）Rear end, the superheater（5）It was located at
Cross section（6）Top, the economizer（4）Positioned at superheater（5）Top, the preheater（7）Positioned at superheater（5）Top, institute
State spherical steam-water extractor（9）Positioned at changeover portion（6）Rear, radiant box（3）Interior setting radiant box is restrained（301）, overheat
Device（5）Interior setting superheater bank（501）, economizer（4）Interior setting economizer is restrained（401）, preheater（7）It is interior that preheating is set
Device is restrained（701）；Described water circuit system includes：Purify water inlet（801）And steam (vapor) outlet（802）, pipeline（8）, purified water
Purified water inlet（801）Into preheater tube bank（701）, then pressurizeed by feed pump, pass sequentially through pipeline（8）, economizer
Tube bank（401）, radiant box tube bank（301）, spherical steam-water extractor（9）, superheater bank（501）To steam (vapor) outlet（802）,
Vaporization is progressively heated, superheated steam is exported.
Further, the burner（2）For Double-head burner, including combustion head A（2-1）And combustion head B（2-2）,
The combustion head A（2-1）And the combustion head B（2-2）Above and below being arranged on the end cap of radiant section, and share an air channel
（10）.Burner platform（12）Positioned at burner（2）Front, installation, operation and maintenance for burner.
Further, the steam generator also includes Imported gas（803）, oil inlet（807）, oil return opening（808）、
Electric heater（13）, oil heater（14）, Imported gas（803）And oil inlet（807）Connect the burner（2）, it is electric to add
Hot device（13）Positioned at oil heater（14）Top is simultaneously connected by flange, is integrally located at the radiant box（3）Side, oil return
Mouthful（808）Installed in the burner（2）Bottom.
Further, the radiant box（3）For horizontal straight flow structure, section is ellipse, the radiant box（3）By
Upper radiant box（3-1）With lower radiant box（3-2）Two parts are constituted and connected by flange, and shell body is steel ellipse,
Inwall is lined with aluminosilicate refractory fiber, rear end connection changeover portion（6）.
Further, the radiant box tube bank（301）It is single loop straight tube along the longitudinally snakelike arrangement of burner hearth wall inwall；
Radiant box（3）Outlet spherical steam-water extractor（9）.
Further, the superheater（5）Superheater bank（501）The rectangle being made up of two light pipe horizontal reciprocatings
Structure, positioned at high-temperature flue gas region.
Further, the economizer（4）Economizer tube bank（401）Use light pipe cluster case type multiloop rectangle knot
Structure, positioned at flue gas low-temperature region.
Further, the preheater（7）Preheater tube bank（701）Studded tube is used, reciprocal uniform rectangle knot
Structure, positioned at flue gas low-temperature region.
Further, the changeover portion（6）With spherical steam-water extractor（9）The integration of sledge block, both central gangways can be with
Fire door is opened, flame condition, the spherical steam-water extractor is observed（9）Restrain and export with radiant box（31）And superheater bank
Entrance (51) is connected, and the short resistance of flow is small.
Further, the steam generator also includes switch board（1）, before radiant box (3) sledge seat on.It is easy to
Operation and observation.Switch board（1）It is reasonable in design, comprehensive, built-in establishing electric protection, control component and sound and light alarm etc..
Pressure process, temperature, flow and every detection etc., including Transmission system all enters switch board on the spot for all peripheries（1）.
The utility model has the advantage that and good effect：
1. saturation moist steam passes through separation by dry saturated steam after heat, heat affected zone analysis salt is avoided, is steamed with softened water production overheat
Vapour, reduces production run cost；
2. after the dry saturated steam of the high degree of superheat is mixed with the brackish water isolated by steam heater again, still obtain Gao Han
The superheated steam of value, drastically increases heat utilization rate；
3. zero blowdown during superheat state, energy-conserving and environment-protective；
4. advanced automatic control technology makes equipment flow keep constant with outlet temperature, intelligent level is high.
5. the utility model uses split type, modular design concept, the monomer volume of each module is reduced, full
While sufficient movement requirement, the quick assembling of Oil Field is also achieved, fixed large-tonnage superheated steam generator is realized
Manufacture use.
6. the utility model eliminates traditional water-water heat exchanger, pass through flue gas afterbody preheater（7）For boiler feedwater
Preheating, reduces exhaust gas temperature, so as to improve the thermal efficiency of steam generator.This is preheater（7）Occur in superheated steam
First Application in device.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is that the utility model Fig. 1 right sides regard schematic diagram；
Fig. 3 is the utility model Fig. 1 schematic top plan views；
Fig. 4 is the utility model Fig. 1 schematic rear views；
Fig. 5 is utility model works schematic flow sheet；
Fig. 6 is the utility model radiant box tube bank schematic diagram；
Fig. 7 is Fig. 6 radiant box tube bank left view schematic diagram；
Fig. 8 is the utility model superheater bank schematic diagram；
Fig. 9 is Fig. 8 superheater bank left view schematic diagrams；
Figure 10 is the utility model economizer tube bank schematic diagram；
Figure 11 is Figure 10 economizers tube bank left view schematic diagram；
Figure 12 is the utility model preheater tube bank schematic diagram.
Figure 13 is Figure 12 preheaters tube bank left view schematic diagram.
Drawing reference numeral is as follows in figure：Switch board -1, burner -2, radiant box -3, economizer -4, superheater -5, transition
Section -6, preheater -7, pipeline -8, spherical steam-water extractor -9, air channel -10, chimney -11, burner platform -12, electric heater -
13rd, oil heater -14, operating platform -15, superheater bank -501, economizer tube bank -401, radiant box tube bank -301, net
Change water inlet -801, steam (vapor) outlet -802, Imported gas -803, sampling coolant outlet -804, sampling cooling water inlet -
805th, drain -806, oil inlet -807, oil return opening -808, burner A- 2-1, burner B- 2-2, upper radiant box -3-
1st, lower radiant box -3-2.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Following examples are only to illustrate the utility model example to be clear, and are not implemented to of the present utility model
The restriction of mode.For those of ordinary skill in the field, other can also be made not on the basis of the following description
With the change or variation of form, and these belong to the utility model obvious changes or variations for being drawn of spirit still in
Among protection domain of the present utility model.
A kind of reference picture 1-5, the fixed superheated steam generator of split type large-tonnage of burner hearth, steam generator includes cigarette
Gas system, water circuit system；Described flue gas system includes：Burner 2, radiant box 3, changeover portion 6, superheater 5, economizer 4,
Preheater 7, chimney 11 are sequentially communicated along the heat smoke direction of motion, and the burner 2 is located at the front end of the radiant box 3, institute
Changeover portion 6 is stated positioned at the rear end of radiant box 3, the superheater 5 is located at the top of changeover portion 6, the economizer 4 is located at overheat
The top of device 5, the preheater 7 is located at the top of superheater 5, and the spherical steam-water extractor 9 is located at the rear of changeover portion 6, all-radiant furnace
Set radiant box to restrain in 301, superheater 5 in thorax 3 sets economizer to restrain in setting superheater bank 501, economizer 4
401, preheater 7 is interior to set preheater to restrain 701；Described water circuit system includes：Purify water inlet 801 and steam (vapor) outlet 802,
Pipeline 8, the purified water inlet 801 of purified water enters preheater tube bank 701, then is pressurizeed by feed pump, pass sequentially through pipeline 8,
Economizer tube bank 401, radiant box tube bank 301, spherical steam-water extractor 9, superheater bank 501 to steam (vapor) outlet 802, progressively
Vaporization is heated, superheated steam is exported.
The burner 2 is Double-head burner, including combustion head A 2-1 and combustion head B 2-2, the combustion head A 2-
The 1 and combustion head B 2-2 be arranged in above and below radiant section drive end bearing bracket on, and share an air channel 10.The burner
Platform 12 is located at the front of burner 2, installation, operation and maintenance for burner.
The steam generator also includes Imported gas 803, oil inlet 807, oil return opening 808, electric heater 13, oil and added
Hot device 14, Imported gas 803 and oil inlet 807 connect the burner 2, and electric heater 13 is located at the top of oil heater 14 simultaneously
Connected by flange, be integrally located at the side of the radiant box 3, oil return opening 808 is arranged on the bottom of burner 2.
The radiant box 3 is horizontal straight flow structure, and section is ellipse, by upper radiant box 3-1 and lower radiant box
3-2 two parts are constituted and connected by flange, and shell body is steel ellipse, and inwall is lined with aluminosilicate refractory fiber, and rear end connects
Connect changeover portion 6.
The changeover portion 6 is integrated with the sledge block of spherical steam-water extractor 9, and both central gangways can open fire door, observation
Flame condition.
The spherical steam-water extractor 9 is connected with radiant box tube bank outlet 31 and superheater tube beam entrance 51, and flow is short
Resistance is small.The sampling coolant outlet 804, sampling cooling water inlet 805 are located at the rear of spherical steam-water extractor 9, are used for
The high temperature sampling steam of spherical steam-water extractor 9 is cooled down, in order to be sampled analysis work.
The operating platform 15 is located at economizer 4, the side of preheater 7, for related personnel to economizer 4, preheater 7
And its part is installed, overhauled and safeguarded.
Reference picture 6-7, the radiant box tube bank 301 is single loop straight tube along the longitudinally snakelike arrangement of burner hearth wall inwall；
The outlet spherical steam-water extractor 9 of radiant box 3.
Reference picture 8-9, the rectangle knot that the superheater bank 501 of the superheater 5 is made up of two light pipe horizontal reciprocatings
Structure, positioned at high-temperature flue gas region.
Reference picture 10-11, the economizer tube bank 401 of the economizer 4 uses light pipe cluster case type multiloop rectangle knot
Structure, positioned at flue gas low-temperature region.
Reference picture 12-13, the preheater tube bank 701 of the preheater 7 uses studded tube, reciprocal uniform rectangle knot
Structure, positioned at flue gas low-temperature region.
The steam generator also includes switch board 1, on the sledge seat before radiant box 3, is easy to operate and observes.Control
Cabinet 1 processed is reasonable in design, comprehensive, built-in establishing electric protection, control component and sound and light alarm etc..Pressure process, temperature, stream
Amount and every detection etc., including Transmission system all enters switch board 1 on the spot for all peripheries.
The utility model steam generator structure is summarised as six parts：I.e. radiant box 3, changeover portion 6, superheater 5, save
Coal device 4, preheater 7, spherical steam-water extractor 9；Three systems, i.e. water-steam system；Combustion system, robot control system(RCS)；Combustion system
Include again：Burner 2, fuel line, burning line.
The utility model realizes the large-tonnage of superheated steam generator, and radiant box 3 uses split type, and eliminates
Traditional water-water heat exchanger, is preheated by flue gas afterbody preheater 7 for boiler feedwater, and this is that preheater 7 occurs in superheated steam
First Application in device.
When the utility model steam generator is using fuel oil as fuel, electric heater 13 is used opening stove heated fuel oil at initial stage,
The heated fuel oil of oil heater 14 is changed into after the steam of certain load when operation is produced, electric heater 13 stops heating or compensated.
Reference picture 5, when the utility model steam generator works, fuel is burnt by burner 2 in radiant box 3,
Flame carries out radiant heat transfer to radiant box tube bank 301.After the high-temperature flue gas of generation is by changeover portion 6, superheater is passed sequentially through
5th, economizer 4, preheater 7, i.e., superheater bank 501, economizer tube bank 401, preheater tube bank 701 are washed away in convection current successively, are entered
Row heat convection, last flue gas is discharged through chimney 11.
When the utility model steam generator works, purified water enters preheater tube bank 701 by water inlet 801 to be carried out in advance
Heat, is preheated and the water after deoxygenation, and economizer tube bank 401, radiant box tube bank 301 are sequentially entered after being pressurizeed through feed pump.Water exists
The saturation moist steam that mass dryness fraction is 70~80% is formed after the heating vaporization of radiant box tube bank 301, then into spherical steam-water separation
Device 9, carries out steam-water separation, forms dry saturated steam.Dry saturated steam enters back into the heat temperature raising of superheater bank 501 for high superheated steam, goes out
The saturation water isolated again with spherical steam-water extractor 9 after coming is mixed, and the dry saturated steam with certain degree of superheat is formed after mixing, most
Afterwards by steam (vapor) outlet 802 by under superheated steam injection well.In addition, at the initial stage worked in the utility model steam generator, steam
Vapor outlet 802 is closed, and the water and steam of the not up to regulation parameter of generation need to discharge by drain 806, to be generated qualified
Superheated steam after, drain 806 is closed, and qualified superheated steam passes through under the injection well of steam (vapor) outlet 802.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth, the steam generator includes flue gas system, water route
System, it is characterised in that：Described flue gas system includes：Burner (2), radiant box (3), changeover portion (6), superheater (5),
Economizer (4), preheater (7), chimney (11) are sequentially communicated along the heat smoke direction of motion；The burner (2) is located at the spoke
The front end of burner hearth (3) is penetrated, the changeover portion (6) is located at the radiant box (3) rear end, and the superheater (5) is located at changeover portion
(6) top, the economizer (4) is located above superheater (5), and the preheater (7) is located above superheater (5), spherical vapour
Separator (9), which is located in changeover portion (6) rear, radiant box (3), sets radiant box to restrain (301), is set in superheater (5)
Putting in superheater bank (501), economizer (4) sets economizer to restrain (401), sets preheater to restrain in preheater (7)
(701)；Described water circuit system includes：Water inlet (801), steam (vapor) outlet (802) and pipeline (8) are purified, purified water is purified
Water inlet (801) enters preheater tube bank (701), then is pressurizeed by feed pump, passes sequentially through pipeline (8), economizer tube bank
(401), radiant box tube bank (301), spherical steam-water extractor (9), superheater bank (501) to steam (vapor) outlet (802), progressively
Vaporization is heated, superheated steam is exported.
2. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
Burner (2) is stated for Double-head burner, including combustion head A (2-1) and combustion head B (2-2), the combustion head A (2-1) and institute
State combustion head B (2-2) be arranged in above and below radiant section end cap on, and share an air channel (10).
3. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
Stating steam generator also includes Imported gas (803), oil inlet (807), oil return opening (808), electric heater (13), oil heating
Device (14), Imported gas (803) and oil inlet (807) connect the burner (2), and electric heater (13) is located at oil heater
(14) connected above and by flange, be integrally located at the side of the radiant box (3), oil return opening (808) is arranged on the combustion
Burner (2) bottom.
4. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
Radiant box (3) is stated for horizontal straight flow structure, section is ellipse, the radiant box (3) by upper radiant box (3-1) and under
Radiant box (3-2) two parts are constituted and connected by flange, and shell body is steel ellipse, and it is fine that inwall is lined with alumina-silica fire
Dimension, rear end connection changeover portion (6).
5. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
It is single loop straight tube along the longitudinally snakelike arrangement of burner hearth wall inwall to state radiant box tube bank (301)；Radiant box (3) outlet
Spherical steam-water extractor (9).
6. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
The rectangular configuration that the superheater bank (501) of superheater (5) is made up of two light pipe horizontal reciprocatings is stated, positioned at high-temperature flue gas area
Domain.
7. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
The economizer tube bank (401) for stating economizer (4) uses light pipe cluster case type multiloop rectangular configuration, positioned at flue gas low-temperature area
Domain.
8. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
The preheater tube bank (701) for stating preheater (7) uses studded tube, reciprocal uniform rectangular configuration, positioned at flue gas low-temperature region.
9. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that institute
State changeover portion (6) integrated with spherical steam-water extractor (9) sledge block, both central gangways can open fire door, observe flame work
Condition, the spherical steam-water extractor (9) is connected with radiant box tube bank outlet (31) and superheater tube beam entrance (51).
10. a kind of fixed superheated steam generator of split type large-tonnage of burner hearth as claimed in claim 1, it is characterised in that
The steam generator also includes switch board (1), on the sledge seat before radiant box (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274474.6U CN206478614U (en) | 2016-11-25 | 2016-11-25 | A kind of fixed superheated steam generator of split type large-tonnage of burner hearth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274474.6U CN206478614U (en) | 2016-11-25 | 2016-11-25 | A kind of fixed superheated steam generator of split type large-tonnage of burner hearth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206478614U true CN206478614U (en) | 2017-09-08 |
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ID=59757050
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621274474.6U Active CN206478614U (en) | 2016-11-25 | 2016-11-25 | A kind of fixed superheated steam generator of split type large-tonnage of burner hearth |
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| Country | Link |
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| CN (1) | CN206478614U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524104A (en) * | 2016-11-25 | 2017-03-22 | 中国石油天然气第八建设有限公司 | Furnace hearth split large-tonnage fixed type superheated steam generator |
| CN110657415A (en) * | 2019-11-11 | 2020-01-07 | 胜利油田胜机石油装备有限公司 | Overheat steam-injection boiler |
-
2016
- 2016-11-25 CN CN201621274474.6U patent/CN206478614U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524104A (en) * | 2016-11-25 | 2017-03-22 | 中国石油天然气第八建设有限公司 | Furnace hearth split large-tonnage fixed type superheated steam generator |
| CN110657415A (en) * | 2019-11-11 | 2020-01-07 | 胜利油田胜机石油装备有限公司 | Overheat steam-injection boiler |
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