CN106642045A - Water-coal-slurry steam injection boiler in oilfields - Google Patents
Water-coal-slurry steam injection boiler in oilfields Download PDFInfo
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- CN106642045A CN106642045A CN201710008255.6A CN201710008255A CN106642045A CN 106642045 A CN106642045 A CN 106642045A CN 201710008255 A CN201710008255 A CN 201710008255A CN 106642045 A CN106642045 A CN 106642045A
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- flue
- water
- coal
- slurry
- heater
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- 239000003250 coal slurry Substances 0.000 title claims abstract description 36
- 238000010793 Steam injection (oil industry) Methods 0.000 title abstract 8
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000010276 construction Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 239000004071 soot Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 36
- 239000000446 fuel Substances 0.000 abstract description 12
- 238000002485 combustion reaction Methods 0.000 abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 10
- 239000003345 natural gas Substances 0.000 abstract description 5
- 239000000295 fuel oil Substances 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 17
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000002956 ash Substances 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 238000010438 heat treatment Methods 0.000 description 11
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000003245 coal Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000010779 crude oil Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 206010000210 abortion Diseases 0.000 description 1
- 231100000176 abortion Toxicity 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 239000010882 bottom ash Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/22—Methods of steam generation characterised by form of heating method using combustion under pressure substantially exceeding atmospheric pressure
-
- 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
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
- F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnace, fire tubes, or flue ways
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
Abstract
The invention relates to the technical field of steam injection boilers for heavy oil wells in oilfields, in particular to a water-coal-slurry steam injection boiler in oilfields. The water-coal-slurry steam injection boiler comprises a boiler body, an upper water cooling wall, a lower water cooling wall, a superheater and an air preheater, an inverted-U-shaped flue is arranged in the boiler body and comprises a left vertical flue body, an upper horizontal flue body and a right vertical flue body, and a left flue slag-drip opening is formed in the bottom of the boiler body at the lower end of the left vertical flue body. The water-coal-slurry steam injection boiler has the advantages that the water-coal-slurry steam injection boiler is reasonable and compact in structure and convenient to use; a combustor in the steam injection boiler takes water coal slurry as fuel, and air is preheated by the air preheater and then is delivered to the water-coal-slurry combustor, so that flame extinguishing caused by low air temperatures is avoided, and reliability and stability in combustion are improved; combustion wastes can be discharged via the slag-drip opening, long-term continuous running and substituting the water coal slurry fuel for natural gas fuel can be achieved, and accordingly clean combustion, energy saving and emission reduction are achieved; the steam injection boiler is high in heat utilization ratio and convenient to move and transport.
Description
Technical field
The present invention relates to heavy oil wells uphole steam generator technical field, is a kind of water-coal-slurry uphole steam generator.
Background technology
In the Karamy area in China such as Xinjiang, more based on viscous crude field；Viscous crude have special high viscosity and
High-solidification point characteristic.Thickened oil recovery at present is generally individually using the thermal recovery mode of steam soak；Steam soak is exactly first to oil well note
250 to 350 DEG C of high temperature and high pressure steams, are heated oil reservoir and crude oil in the quite distance of near wellbore zone, the heating for so being formed
Viscosity of crude in band is reduced, and crude oil flows to the resistance in shaft bottom and greatly reduces, and oil yield increases, and is a kind of very effective increase
Heavy oil wells throughput method；In thermal process, high temperature and high pressure steam is heated by special injection boiler, it is common to use be combustion
Gas injection boiler；But as natural gas consumption is limited, and the impact of the factor such as growing price is present using limited,
The problem of high cost；Therefore, it is imperative to seek new alternative fuel；Jing is at present domestic to finding in the investigation in power station
Many power stations all in the generation oil coal based fluid fuel using a kind of water-coal-slurry, its have low stain, high efficiency, can pipeline
Feature, solves the problems, such as using natural gas；But at present, the injection boiler quantity with water-coal-slurry as fuel is few, its
In, calendar year 2001 once carries out using the transformation of water-coal-slurry in Liaohe Oil Field to 23t/h fuel oils steam-injected boiler, has carried out continuous burning examination
Test, although cool water mixture burning success, but because burner hearth cannot slag tap, it is impossible to long-term continuous operation, easily fire extinguishing, proves an abortion；
After this, coal water slurry fuel injection boiler is also researched and developed in domestic each oil field, but generally existing heat utilization efficiency is low, and energy waste is tight
Weight, and the problem of air pollution.
The content of the invention
The invention provides a kind of water-coal-slurry uphole steam generator, overcomes the deficiency of above-mentioned prior art, it can be effective
The coal water slurry fuel injection boiler that solution is known at present, it is impossible to the problem of long-term continuous operation.
The technical scheme is that by following measures to realize：A kind of water-coal-slurry uphole steam generator, including stove
Body, upper water-cooling wall, lower water-cooling wall, superheater and air preheater；Set in body of heater in inverted U-shaped flue, including the left side in left side is erected
The vertical flue in the right side on straight flue, the horizontal flue of upside and right side；Bottom of furnace body in left vertically flue lower end is provided with left flue
Slag-drip opening；The stable burning room for communicating therewith is provided with the left vertically body of heater of the lower left side of flue, is set on the furnace wall at stable burning room
There is burner installing hole；Lower water-cooling wall is installed with inboard wall of furnace body in left vertically flue bottom corresponding with stable burning room；
Water-cooling wall, lower water-cooled wall outlet and upper water-cooling wall import mouth phase are installed with the left vertically inboard wall of furnace body on flue top
Connection；At least one superheater is installed with horizontal flue；It is empty at least one to be installed with right vertically flue
Air preheater；Bottom of furnace body in the right vertically lower end of flue is provided with right flue slag-drip opening.
The further optimization and/or improvements to foregoing invention technical scheme are presented herein below：
Above-mentioned right vertically the interior of flue is installed with least one economizer.
Above-mentioned economizer is two, is respectively high-temperature economizer and low-level (stack-gas) economizer, and high-temperature economizer is fixedly mounted on the right side
Vertically in the top of flue；Low-level (stack-gas) economizer is fixedly mounted in the right vertically bottom of flue；Air preheater is two, respectively
For main air preheater and secondary air preheater, it is perpendicular that secondary air preheater is fixedly mounted on the right side on the downside of low-level (stack-gas) economizer
In straight flue, in the vertical flue in the right side that secondary air preheater is fixedly mounted between high-temperature economizer and low-level (stack-gas) economizer.
Denitrification apparatus can be installed with above-mentioned left vertically flue.
Above-mentioned denitrification apparatus can adopt SCR denitration device.
Said burner installing hole can be at least two；Or/and, from bottom to top horizontal plate hangs fixation to the pipeline of lower water-cooling wall
On the front furnace wall of lower portion of furnace body, right furnace wall and rear furnace wall；From bottom to top horizontal plate extension is fixed on body of heater to the pipeline of upper water-cooling wall
On surrounding furnace wall.
The left ash bucket of back taper, left flue row can be fixed with above-mentioned stable burning room bottom and the left vertically body of heater of flue bottom
Cinder notch is located at the bottom of left ash bucket；The right ash bucket of back taper, right flue deslagging are fixed with the right vertically body of heater of flue bottom
Mouth is located at the bottom of right ash bucket；Or/and, it is installed with respectively at least in left vertically flue, horizontal flue and right vertically flue
One soot blower.
Above-mentioned body of heater can be skid-mounted type body of heater；Or/and, body of heater is assembly module formula body of heater, including stable burning room and a left side are perpendicular
The module one of straight flue lower section, the module two of left vertically flue upper segment, horizontal flue section and right vertically flue upper lateral section
Module three, denitrification apparatus peace turns the module four of section, the module five of economizer construction section and the module six of air preheater construction section；
Module one, module two, module three, module four, module five and module six are fixedly installed togather by connecting pipe.
Present configuration is reasonable and compact, easy to use；This injection boiler makees fuel using water-coal-slurry, by air preheat
Device will again be conveyed to water coal slurry burner after air preheat, it is to avoid stamp out the flames because air themperature is low, improve burning reliability
And stability；Combustion residue can also be discharged from slag-drip opening, can continuously be run for a long time, realize replacing day combustion with coal water slurry fuel
Gas fuel, not only cleaning burning, additionally it is possible to energy-saving and emission-reduction；In addition, pass through to save before water-cooling wall and lower water-cooling wall on entering
Coal device is preheated, and is gone out upper water-cooling wall and is heated through hot device again with the dry saturated steam after lower water-cooling wall, and heat utilization efficiency is high；And body of heater is adopted
It is convenient to carry and transport with skid and assembly module formula.
Description of the drawings
Accompanying drawing 1 is the main view cross section structure diagram of preferred embodiment.
Coding in accompanying drawing is respectively：1 is body of heater, and 2 is left ash bucket, and 3 is secondary air preheater, and 4 is that main air is pre-
Hot device, 5 is left flue slag-drip opening, and 6 is stable burning room, and 7 is burner installing hole, and 8 is lower water-cooling wall, and 9 is upper water-cooling wall, and 10 were
Hot device, 11 is right ash bucket, and 12 is right flue slag-drip opening, and 13 is high-temperature economizer, and 14 is denitrification apparatus, and 15 is low-level (stack-gas) economizer,
16 is horizontal flue.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determining specifically
Embodiment.
In the present invention, for the ease of description, the description of the relative position relation of each part is according to Figure of description 1
Butut mode being described, such as：The position relationship of upper and lower, left and right etc. is according to the Butut direction of Figure of description 1
Come what is determined.
With reference to embodiment and accompanying drawing, the invention will be further described：
As shown in Figure 1, the water-coal-slurry uphole steam generator includes body of heater 1, upper water-cooling wall 9, lower water-cooling wall 8, the and of superheater 10
Air preheater；Set in inverted U-shaped flue in body of heater 1, including a left side vertical flue, the horizontal flue 16 of upside and the right side in left side
The vertical flue in the right side；Left flue slag-drip opening 5 is provided with the bottom of body of heater 1 of left vertically flue lower end；In the lower-left of left vertically flue
The body of heater 1 of side is provided with the stable burning room 6 for communicating therewith, and burner installing hole 7 is provided with the furnace wall at stable burning room 6；With steady combustion
Lower water-cooling wall 8 is installed with inboard wall of furnace body in the corresponding left vertically flue bottom in room 6；In the stove on left vertically flue top
In vivo water-cooling wall 9 is installed with wall, lower water-cooling wall 8 is exported and is connected with the import mouth of upper water-cooling wall 9；In horizontal flue 16
Inside it is installed with least one superheater 10；At least one air preheater is installed with right vertically flue；On the right side
Vertically the bottom of body of heater 1 of the lower end of flue is provided with right flue slag-drip opening 12.
Wherein, described upper water-cooling wall 9 and described lower water-cooling wall 8 are using existing known water wall structure, water-cooled
Wall construction is the main heated portion of boiler, and it is formed by the row's of number fastener for connection, can absorb left vertically flue high temperature flue gas
Radiations heat energy, steam or hot water are produced in pipe, and reduce temperature of furnace wall, protect furnace wall；
Described superheater 10 using it is existing it is known steam in body of heater 1 can be further heated to from saturation temperature it is overheated
The part of temperature；
Described air preheater is come the heat exchanger of preheated burning air using the flue gas heat in body of heater 1；
First, steam heating circulation system is set up；First the water inlet end of economizer is connected by pipeline with originally water feeder,
The water side of economizer is connected by pipeline with the water inlet end of lower water-cooling wall 8, in the water separator of the peripheral hardware of body of heater 1, upper water
The water side of cold wall 9 is connected with the import of water separator, and the steam (vapor) outlet of water separator is connected with superheater 10；Cross
The steam output end of hot device 10 is connected by main steam valve with underground gas injection pipe road；
Secondly, hot-air combustion-supporting system is set up；The outer installation water coal slurry burner of body of heater 1 at burner installing hole 7, by air
The outlet side of preheater is connected with the supply end of water coal slurry burner by connecting tube；
When using, supplied water to steam heating circulation system by originally water feeder first, enable water to be followed in steam heating
Circulation in loop systems is got up；Then water coal slurry burner is restarted, the combustion flame of water coal slurry burner sprays into the internal combustion of stable burning room 6
Burn and produce high-temperature flue gas, high-temperature flue gas successively Jing left vertically flue, horizontal flue 16 to right vertically flue, along with temperature by
Gradually successively decrease, and it is vertical to form the left vertically main heating section of flue, the superheat section of horizontal channel, the convection section of right vertical flue and the right side
The preheating section of flue bottom；Main heating section temperature highest, the upper water-cooling wall 9 of arrangement and lower water-cooling wall 8, can effectively absorb height
Heat, makes the water energy in lower water-cooling wall 8 enough heat rapidly, and steam or hot water are produced in pipe；As the rising of high-temperature flue gas is entered
Enter horizontal flue 16, the section is superheat section；Herein install superheater 10, can effectively utilizes heat overheated here to passing through
Dry saturated steam carries out overheated heating into superheater；High-temperature flue gas enter right vertically flue, high-temperature flue gas after entrance and its
Original inner air contacts and produces convection current, although convection current declines can high-temperature flue-gas, can still keep certain
Temperature, the section is convection section；High-temperature flue gas are continued traveling downwardly to right vertically flue bottom, heat may proceed to be lost exist it is certain remaining
Heat, the section is preheating section；In the air preheater that convection section or preheating section are installed, can utilize what preheating section or convection section were present
Heat is heated to cold air, and then again Jing connecting tubes are delivered to burner, the water-coal-slurry in burner is connect with hot-air
Touch and burn, it is to avoid stamp out the flames because air themperature is low, improve burning reliability and stability；Combustion residue in body of heater 1
Can also discharge from slag-drip opening, be further ensured that this injection boiler can continuously run for a long time, realize with coal water slurry fuel replacement
Natural gas fuel, not by using limiting, low cost.
Above-mentioned water-coal-slurry uphole steam generator can be made further optimization and/or improvements according to actual needs：
As shown in Figure 1, it is installed with least one economizer in right vertically flue.Install in right vertically flue and save coal
Then device, economizer can again lead to initially preheating from originally water feeder into the water of steam heating circulation system
Cross pipeline carries out high-temperature heating to lower water-cooling wall 8 and upper water-cooling wall 9；Heat utilization efficiency can so be improved, additionally it is possible to increase
Plus evaporating capacity, it is more energy efficient efficient.
As shown in Figure 1, economizer is two, is respectively high-temperature economizer 13 and low-level (stack-gas) economizer 15, high-temperature economizer
13 are fixedly mounted in the right vertically top of flue；Low-level (stack-gas) economizer 15 is fixedly mounted in the right vertically bottom of flue；Air
Preheater is two, respectively main air preheater 4 and secondary air preheater 3, and secondary air preheater 3 is fixedly mounted on
Vertically in flue, secondary air preheater 3 is fixedly mounted on high-temperature economizer 13 and saves with low temperature on the right side of the downside of low-level (stack-gas) economizer 15
The right side between coal device 15 is vertically in flue.
With high-temperature economizer 13 by placed in series, high-temperature economizer 13 is located at right vertically flue top to low-level (stack-gas) economizer 15
Convection section, low-level (stack-gas) economizer 15 is located at the preheating section of right vertically flue bottom, heats into steam from originally water feeder
The water of the circulatory system is first Jing after low-level (stack-gas) economizer 15 carries out tentatively preheating, then is entered into by pipeline pre- again in high-temperature economizer 13
Heat, the mode of this double preheatings, it is possible to increase pre-heat effect；Main air preheater 4 passes through gas with secondary air preheater 3
Tandem, secondary air preheater 3 because installation site is higher than the secondary air in main air preheater 4, therefore body of heater 1
The high-temperature flue-gas of preheater 3 are high compared with the temperature of main air preheater 4, and cold air is entered after main air preheater 4 again
Jing gas passages enter secondary air preheater 3, realize the Dual heat exchange to cold air, improve the air efficiency of heating surface；To sum up, it is right
Double preheating structures of water and the double heat exchanging structure to cold air effectively using the heat of high-temperature flue gas can be improved further
Heat utilization efficiency, more efficient energy-saving.
As shown in Figure 1, denitrification apparatus 14 are installed with left vertically flue.Denitrification apparatus 14 can process high temperature cigarette
Nitrogen oxides in gas, it is to avoid in discharged nitrous oxides to air, reduces pollution.
As shown in Figure 1, denitrification apparatus 14 adopt SCR denitration device.SCR denitration device also known as SCR skill
Art denitrification apparatus, it can further improve the denitration efficiency of flue gas in this injection boiler.
As shown in Figure 1, burner installing hole 7 is at least two.Can be pacified by least two burners on combustion chamber
Dress hole 7, while installing multiple gas（Water-coal-slurry and natural gas）Dual burner, or, multiple slurry oil（Water-coal-slurry and oil）Dual-purpose combustion
Burner, or, slurry gas dual burner and the oily dual burner combination of slurry are installed, can so improve the smoke of high-temperature flue gas, enter one
Step improves heat.
As shown in Figure 1, from bottom to top horizontal plate hangs front furnace wall, the right side for being fixed on the bottom of body of heater 1 to the pipeline of lower water-cooling wall 8
On furnace wall and rear furnace wall；From bottom to top horizontal plate extension is fixed on the surrounding furnace wall of body of heater 1 pipeline of upper water-cooling wall 9.Under such
The pipeline diameter of water-cooling wall 8 and upper water-cooling wall 9 is big, path length, improves high-heating radiation duration, increases lower water-cooling wall 8 and upper water-cooled
The vaporization effect of water in wall 9.
As shown in Figure 1, the left ash of back taper is fixed with the bottom of stable burning room 6 and the left vertically body of heater 1 of flue bottom
Bucket 2, left flue slag-drip opening 5 is located at the bottom of left ash bucket 2；The right side of back taper is fixed with the right vertically body of heater 1 of flue bottom
Ash bucket 11, right flue slag-drip opening 12 is located at the bottom of right ash bucket 11.The left ash bucket 2 of back taper and the right ash bucket 11 of back taper are played
The effect of ash is led, ash discharge effect is improved.
As needed, for convenience of heavy to flue cleaning grey, divide in left vertically flue, horizontal flue 16 and right vertically flue
It is not installed with least one soot blower.
As needed, move and dismount for convenience of body of heater 1, body of heater 1 is skid-mounted type body of heater.
As needed, for convenience of the transport of body of heater 1, body of heater 1 is assembly module formula body of heater, including stable burning room 6 and a left side are perpendicular
The module one of straight flue lower section, the module two of left vertically flue upper segment, 16 sections of horizontal flue and right vertically flue upper lateral section
Module three, the peace of denitrification apparatus 14 turns the module four of section, the module five of economizer construction section and the mould of air preheater construction section
Block six；Module one, module two, module three, module four, module five and module six are fixedly installed togather by connecting pipe.Remove
The module assembling mode mentioned in above-mentioned assembly module formula body of heater 1, can also be according to actual conditions swap modules quantity, to meet
It is readily transported the demand of dismounting.
Above technical characteristic constitutes highly preferred embodiment of the present invention, and it has stronger adaptability and optimal enforcement effect
Really, can according to actual needs increase and decrease non-essential technical characteristic to meet the demand of different situations.
Claims (10)
1. a kind of water-coal-slurry uphole steam generator, it is characterised in that including body of heater, upper water-cooling wall, lower water-cooling wall, superheater and sky
Air preheater；Set in body of heater in inverted U-shaped flue, including the right side of a left side vertical flue, the horizontal flue of upside and right side in left side
Vertical flue；Bottom of furnace body in left vertically flue lower end is provided with left flue slag-drip opening；In the stove of the left vertically lower left side of flue
Body is provided with the stable burning room for communicating therewith, and burner installing hole is provided with the furnace wall at stable burning room；A left side corresponding with stable burning room
Vertically it is installed with lower water-cooling wall on the inboard wall of furnace body in flue bottom；It is fixed on the left vertically inboard wall of furnace body on flue top
Water-cooling wall is installed, lower water-cooled wall outlet is connected with upper water-cooling wall import mouth；It is installed with least in horizontal flue
One superheater；At least one air preheater is installed with right vertically flue；In the stove of the right vertically lower end of flue
Body bottom is provided with right flue slag-drip opening.
2. water-coal-slurry uphole steam generator according to claim 1, it is characterised in that be installed with right vertically flue
At least one economizer.
3. water-coal-slurry uphole steam generator according to claim 2, it is characterised in that economizer is two, is respectively high temperature
Economizer and low-level (stack-gas) economizer, high-temperature economizer is fixedly mounted in the right vertically top of flue；Low-level (stack-gas) economizer is fixedly mounted
In the right vertically bottom of flue；Air preheater is two, respectively main air preheater and secondary air preheater, two
Level air preheater is fixedly mounted in the vertical flue in the right side on the downside of low-level (stack-gas) economizer, and secondary air preheater is fixedly mounted on height
The right side between warm economizer and low-level (stack-gas) economizer is vertically in flue.
4. the water-coal-slurry uphole steam generator according to claim 1 or 2 or 3, it is characterised in that fixed in left vertically flue
Denitrification apparatus are installed.
5. water-coal-slurry uphole steam generator according to claim 4, it is characterised in that denitrification apparatus are filled using SCR denitration
Put.
6. the water-coal-slurry uphole steam generator according to claim 1 or 2 or 3 or 5, it is characterised in that burner installing hole is
At least two；Or/and, the pipeline of lower water-cooling wall from bottom to top horizontal plate hang be fixed on the front furnace wall of lower portion of furnace body, right furnace wall and
Afterwards on furnace wall；From bottom to top horizontal plate extension is fixed on body of heater surrounding furnace wall the pipeline of upper water-cooling wall.
7. water-coal-slurry uphole steam generator according to claim 4, it is characterised in that burner installing hole is at least two；
Or/and, from bottom to top horizontal plate extension is fixed on the front furnace wall of lower portion of furnace body, right furnace wall and rear furnace wall the pipeline of lower water-cooling wall；
From bottom to top horizontal plate extension is fixed on body of heater surrounding furnace wall the pipeline of upper water-cooling wall.
8. the water-coal-slurry uphole steam generator according to claim 1 or 2 or 3 or 5 or 7, it is characterised in that stable burning room bottom
With the left ash bucket that back taper is fixed with the left vertically body of heater of flue bottom, left flue slag-drip opening is positioned at the bottom of left ash bucket；
The right ash bucket of back taper is fixed with the right vertically body of heater of flue bottom, right flue slag-drip opening is located at the bottom of right ash bucket；Or/
Be installed with least one soot blower respectively in left vertically flue, horizontal flue and right vertically flue.
9. water-coal-slurry uphole steam generator according to claim 6, it is characterised in that stable burning room bottom and left vertically flue
The left ash bucket of back taper is fixed with the body of heater of bottom, left flue slag-drip opening is located at the bottom of left ash bucket；At right vertically flue bottom
The right ash bucket of back taper is fixed with the body of heater at end, right flue slag-drip opening is located at the bottom of right ash bucket；Or/and, left vertically flue,
At least one soot blower is installed with respectively in horizontal flue and right vertically flue.
10. the water-coal-slurry uphole steam generator according to any one of claim 1 to 9, it is characterised in that body of heater is skid-mounted type
Body of heater；Or/and, body of heater is assembly module formula body of heater, including the module one of stable burning room and left vertically flue lower section, it is left vertically
The module three of the module two of flue upper segment, horizontal flue section and right vertically flue upper lateral section, denitrification apparatus peace turns the module of section
Four, the module five of economizer construction section and the module six of air preheater construction section；Module one, module two, module three, module
4th, module five and module six are fixedly installed togather by connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008255.6A CN106642045A (en) | 2017-01-05 | 2017-01-05 | Water-coal-slurry steam injection boiler in oilfields |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710008255.6A CN106642045A (en) | 2017-01-05 | 2017-01-05 | Water-coal-slurry steam injection boiler in oilfields |
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| Publication Number | Publication Date |
|---|---|
| CN106642045A true CN106642045A (en) | 2017-05-10 |
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ID=58843823
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710008255.6A Pending CN106642045A (en) | 2017-01-05 | 2017-01-05 | Water-coal-slurry steam injection boiler in oilfields |
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Citations (7)
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| US5513583A (en) * | 1994-10-27 | 1996-05-07 | Battista; Joseph J. | Coal water slurry burner assembly |
| CN2553243Y (en) * | 2002-07-05 | 2003-05-28 | 北京浙大国能科技有限公司 | Heat-collecting steam boiler by burning coal-water slurry |
| CN2847050Y (en) * | 2005-07-06 | 2006-12-13 | 王占林 | Double boiler tube transverse water coal slurry burning boiler |
| CN104791748A (en) * | 2015-05-13 | 2015-07-22 | 哈尔滨工业大学 | Double-direct-current circulating fluidized bed steam injection boiler with buried pipes and evaporation coils |
| CN105091320A (en) * | 2014-05-11 | 2015-11-25 | 南通万达锅炉有限公司 | CWS (Coal Water Slurry) hot water boiler system |
| CN205402646U (en) * | 2016-02-24 | 2016-07-27 | 广西梧锅锅炉制造有限公司 | High pressure bagasse fuel boiler |
| CN206430074U (en) * | 2017-01-05 | 2017-08-22 | 中国石油天然气集团公司 | Water-coal-slurry uphole steam generator |
-
2017
- 2017-01-05 CN CN201710008255.6A patent/CN106642045A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513583A (en) * | 1994-10-27 | 1996-05-07 | Battista; Joseph J. | Coal water slurry burner assembly |
| CN2553243Y (en) * | 2002-07-05 | 2003-05-28 | 北京浙大国能科技有限公司 | Heat-collecting steam boiler by burning coal-water slurry |
| CN2847050Y (en) * | 2005-07-06 | 2006-12-13 | 王占林 | Double boiler tube transverse water coal slurry burning boiler |
| CN105091320A (en) * | 2014-05-11 | 2015-11-25 | 南通万达锅炉有限公司 | CWS (Coal Water Slurry) hot water boiler system |
| CN104791748A (en) * | 2015-05-13 | 2015-07-22 | 哈尔滨工业大学 | Double-direct-current circulating fluidized bed steam injection boiler with buried pipes and evaporation coils |
| CN205402646U (en) * | 2016-02-24 | 2016-07-27 | 广西梧锅锅炉制造有限公司 | High pressure bagasse fuel boiler |
| CN206430074U (en) * | 2017-01-05 | 2017-08-22 | 中国石油天然气集团公司 | Water-coal-slurry uphole steam generator |
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