CN105674235B - A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler - Google Patents
A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler Download PDFInfo
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- CN105674235B CN105674235B CN201610179700.0A CN201610179700A CN105674235B CN 105674235 B CN105674235 B CN 105674235B CN 201610179700 A CN201610179700 A CN 201610179700A CN 105674235 B CN105674235 B CN 105674235B
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- 230000007613 environmental effect Effects 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 claims abstract description 14
- 239000002737 fuel gas Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 23
- 239000000446 fuel Substances 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 239000013589 supplement Substances 0.000 claims description 6
- 239000002918 waste heat Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 13
- 239000003546 flue gas Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004523 catalytic cracking Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 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
- F22G—SUPERHEATING OF STEAM
- F22G7/00—Steam superheaters characterised by location, arrangement, or disposition
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
- F23C5/32—Disposition of burners to obtain rotating flames, i.e. flames moving helically or spirally
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C7/00—Combustion apparatus characterised by arrangements for air supply
- F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler, and it is related to a kind of waste heat boiler.Existing boiler CO can not be realized effectively burn, low waste heat recovery efficiency, boiler operatiopn when stability is poor, boiler erection cycle length and cost is high.Burning disposal intracavitary is in turn divided into combustion chamber by one end close to burner to the other end away from burner in the present invention, burning chamber and direct current tracery wall room, drum is provided with outside center processing chamber, first process chamber is connected with direct current tracery wall room, 3rd process chamber is connected with afterbody processing chamber, front-packed evaporator is arranged in the first process chamber, second steam superheater and one-level steam superheater are disposed in parallel in second processing room, rearmounted evaporator is arranged in the 3rd process chamber, two grades of economizers and one-level economizer are disposed in parallel in afterbody processing chamber, the water side of one-level steam superheater is communicated by direct-contact desuperheater with the water inlet end of second steam superheater.The present invention is supplied water using waste heat to boiler, steam supply.
Description
Technical field
Modular afterheat boiler is burned present invention relates particularly to a kind of Horizontal high efficient energy saving environmental protection CO.
Background technology
At home 3%~12% is usually contained in chemical industry catalytic cracking unit in flue gas in catalyst incomplete regen-eration form
CO gases, directly discharge will cause to seriously endanger, and user generally selects naked burning, and incomplete combustion still influences environment, and
Waste a large amount of waste heats.China is current second production of energy state and country of consumption in the world.Energy supply sustainable growth, for warp
Social development of helping provides important support.The rapid growth of energy-consuming, is that world energy sources market creates wide development
Space.China has become the indispensable important component in world energy sources market.Meanwhile, energy-conserving and environment-protective also become current
The inexorable trend of industrial development.China's boiler industry is fast-developing, and chemical emission waste heat boiler technology and System Development are achieved
Breakthrough progress, generates some catalytic unit waste heat boilers, and ignition temperature, but can not there are still CO below 1000 DEG C
Burn, low waste heat recovery efficiency, high fume temperature, fouling of heating surface the problems such as.
The content of the invention
Effectively burnt because existing boiler can not be realized to CO, low waste heat recovery efficiency, boiler operatiopn when stability is poor, pot
Stove installation period length and cost height, and then propose that a kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler.
The present invention adopts the technical scheme that to solve above-mentioned technical problem：
A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler, it include burning disposal chamber, center processing chamber,
Afterbody processing chamber, burner, front-packed evaporator, second steam superheater, one-level steam superheater, rearmounted evaporator, two grades of provinces
Coal device, one-level economizer and drum, the burning disposal chamber, center processing chamber and afterbody processing chamber connect successively in the horizontal direction
Logical, one end of the burning disposal chamber is provided with burner, and the burning disposal intracavitary is by one end close to burner to remote
The other end of burner is in turn divided into being provided with drum outside combustion chamber, burning chamber and direct current tracery wall room, the center processing chamber,
The center processing intracavitary is in turn divided into the first process chamber, second processing room and the 3rd process chamber, first process chamber with
Direct current tracery wall room is connected, and the 3rd process chamber is connected with afterbody processing chamber, and the front-packed evaporator is arranged on the first process chamber
Interior, the second steam superheater and one-level steam superheater are disposed in parallel in second processing room, and the rearmounted evaporator is set
Put in the 3rd process chamber, two grades of economizers and one-level economizer are disposed in parallel in afterbody processing chamber, the one-level is saved
Coal device is connected with two grades of economizers, and two grades of economizers are connected with the water inlet end of drum, and the front-packed evaporator is with after
Put evaporator respectively with drum to be connected, the water side of the drum is connected with the admission end of one-level steam superheater, described
The steam output end of one-level steam superheater is connected by direct-contact desuperheater with the admission end of second steam superheater, second steam mistake
The steam output end of hot device is superheated steam outlet side.
The rearmounted evaporator includes upper collecting chamber, lower header, intermediate support beam, exterior support frame and Duo Gen studded tubes, institute
State upper collecting chamber, lower header, intermediate support beam and Duo Gen studded tubes to be arranged in exterior support frame, the upper collecting chamber and lower header
Horizontal alignment is set, and the upper collecting chamber is located at the surface of lower header, and many studded tubes are set up in parallel and passed through vertically
Intermediate support beam is arranged between upper collecting chamber and lower header, and every studded tube includes upper bend loss, straight length and lower bend loss, institute
State bend loss, straight length and lower bend loss and sequentially fix to connect from top to bottom and be made as one, the upper end of the upper bend loss with
Upper collecting chamber is connected, and the lower end of the lower bend loss is connected with lower header.
The rearmounted evaporator also descends accessory part including accessory part in header support, at least one set and at least one set,
The header support is arranged on the top of intermediate support beam, and the upper collecting chamber is arranged on header support；Aided at least one set
Component is arranged on the top of exterior support frame, and upper accessory part includes the first hermetically sealed case, the first inner tube and the first sealing plate, the
One hermetically sealed case pipe is located on exterior support frame, first inner tube set in the first hermetically sealed case pipe and its lower end with it is upper
Header is connected, and first sealing plate is sleeved on the upper end and its lower surface of the first inner tube and the first hermetically sealed case pipe is affixed
Tightly, the tube wall of the first hermetically sealed case pipe is curved tube wall；The lower accessory part of at least one set is arranged on exterior support frame
Bottom, lower accessory part includes the second hermetically sealed case pipe, the second inner tube and the second sealing plate, and the second hermetically sealed case pipe is worn outside
On portion's support frame, second inner tube set is in the second hermetically sealed case pipe and its upper end is connected with lower header, and described second
Sealing plate is sleeved on the lower end of the second inner tube and its upper surface is mutually adjacent to the second hermetically sealed case pipe, the second hermetically sealed case pipe
Tube wall be curved tube wall.
The burner includes burner body, premix chamber, flame sighting tube, fuel gas pipe, three trouble type branch pipes and multiple
Swirl vane, the burner body is connected by premix chamber with burning disposal chamber, is machined with the top of the burner body
It is machined with main fuel gas entrance at the top of air intake, the premix chamber, one end of the flame sighting tube is along burner body
Length direction sequentially pass through burner body and premix chamber, the other end of the flame sighting tube be in burner body it is outer and
The end is the first observation flame end, and one end of the fuel gas pipe is communicated with three branch in three trouble type branch pipes, three trouble type branch pipes
The mouth of pipe is respectively igniter fuel gas entrance, electric igniter interface and igniting air intake, and the other end of the fuel gas pipe is successively
Set through burner body and premix chamber and close to flame sighting tube, multiple swirl vanes are uniform centered on flame sighting tube
It is arranged in burner body.
The burner also includes altar lamp air inlet lines and altar lamp fuel inlet pipe, and the altar lamp air inlet lines are worn
On burner body, the altar lamp fuel inlet pipe is located at outside burner body and is connected with altar lamp air inlet lines.
The burner also includes also being equipped with flame prison on flame monitoring pipe and the first cooling tube, the burner body
One end in test tube, the flame monitoring pipe outside burner body is the interface end of flame monitor, first cooling
Pipe is located at outside burner body and it is connected with flame monitoring pipe.
Supplement fuel gas entrance is also machined with the flame sighting tube, the supplement fuel gas entrance is located at burner sheet
Set in vitro and close to the first observation flame end, second cooling tube is located at outside burner body and is connected with flame sighting tube
Logical
Secondary air feed pipe is connected with the premix chamber, the secondary air feed pipe is inclined on premix chamber, it is secondary to supply
Angle between the central axis of airduct axial direction and the longitudinal axis of premix chamber horizontal direction is α, the span of angle α
For 15 ° to 25 °.
The invention has the advantages that：
First, the present invention uses horizontal side burning type burner, passes through matching somebody with somebody between burner, premix chamber and multiple swirl vanes
Close and set, play the effect of overheavy firing, turndown ratio, burner regulation ratio is 15:1.The present invention can carry out fume treatment and boiler simultaneously
Water supply process.Adaptation condition becomes kinetic force by force, and amount, parameter fluctuation for fuel gas can be well adapted to, simultaneously full
The demand of sufficient working conditions change.
2nd, combustion system uses eddy flow high-temp combustion mode, and combustion reference temperature is at 1100~1500 DEG C, and heat smoke is from upper
Under, tangentially into combustion zone, eddy flow is produced, with cyclone mode rearwardly processing chamber under the impetus of burner First air
Mobile, Secondary Air is tangentially injected eddy flow flue gas with 15 ° to 25 ° angles and is sufficiently mixed with flue gas, burning disposal chamber, center processing chamber and
Afterbody processing chamber sets gradually the space for effectively extending and burning, and passes through efficient strong swirl flow combustion, it can be ensured that in fuel gas
CO components are burnt completely.
3rd, the setting of direct current tracery wall room makes flue gas be evenly distributed before heating surface is entered, and vertically washes away, to improve heat exchange effect
Rate provides guarantee.
4th, front-packed evaporator light pipe is arranged, molten ash under high temperature is not accumulated；One-level steam superheater and second steam overheat
Device is saved space, effectively reduces its own size, formed modularization knot using R=60mm small R bending radius hanging arrangement
Structure；Studded tube exchanges heat by force arrangement in rearmounted evaporator, largely absorbs heat；One-level economizer and two grades of economizers use finned tube
Arrangement, effectively reduces exhaust gas temperature.It can preferably solve heating surface dust stratification if this boiler is equipped with steam sootblower again and ask
Topic, boiler efficiency can reach 86.72%, and exhaust gas temperature is below 150 DEG C.
5th, the present invention is horizontal arrangement, effectively reduces steelframe, castable consumption, individual module weight about 30t, due to stove
Body is relatively low, drum absolute altitude about 10m, largely reduces hoisting cost, and conventional truck crane can be completed, and simplifies and saves lifting process
And hoisting difficulty, installation workload about reduced relative to vertical its 1/4.Horizontal module arrangement is saved compared with prior art
Installation cost 1/3, saves installation period 2/3.
6th, horizontal module arrangement brings great convenience to checking maintenance in the present invention, and boiler stops the cigarette by boiler when not
Road manhole and the both sides manhole of header can just check the weld seam of all pressure containing parts.When boiler reaches that lifetime changes part
It is convenient, fast, connected between module and module using high-strength bolt, need to only dismantle to extract out after high-strength bolt is opened during replacing and change
Module, completes connection and sealing after retubing.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention；
Fig. 2 is the main structure diagram of rearmounted evaporator 8；
Fig. 3 is the flow direction that the direction of arrow is flue gas in the left view structural representation of rearmounted evaporator 8, figure；
Fig. 4 is the enlarged drawing at A in Fig. 2；
Fig. 5 is the main structure diagram of burner 1；
Fig. 6 is annexation schematic diagram between main fuel gas entrance 1-19, secondary air feed pipe 1-15 and premix chamber 1-2.
Embodiment
Embodiment one：Illustrate present embodiment with reference to Fig. 1 to Fig. 6, present embodiment include burning disposal chamber 2,
Center processing chamber 3, afterbody processing chamber 4, burner 1, front-packed evaporator 5, second steam superheater 6, one-level steam superheater 7,
Rearmounted evaporator 8, two grades of economizers 9, one-level economizer 10 and drum 12, the burning disposal chamber 2, center processing chamber 3 and tail
Portion's processing chamber 4 is sequentially communicated in the horizontal direction, and one end of the burning disposal chamber 2 is provided with burner 1, the burning disposal
Combustion chamber, burning chamber and direct current are in turn divided into chamber 2 to the other end away from burner 1 by one end close to burner 1 to spend
It is provided with outside wall room, the center processing chamber 3 in drum 12, the center processing chamber 3 and is in turn divided into the first process chamber, second
Process chamber and the 3rd process chamber, first process chamber are connected with direct current tracery wall room, the 3rd process chamber and the phase of afterbody processing chamber 4
Connection, the front-packed evaporator 5 is arranged in the first process chamber, and the second steam superheater 6 and one-level steam superheater 7 are simultaneously
Row are arranged in second processing room, and the rearmounted evaporator 8 is arranged in the 3rd process chamber, two grades of economizers 9 and one-level
Economizer 10 is disposed in parallel in afterbody processing chamber 4, and the one-level economizer 10 is connected with two grades of economizers 9, described two grades
Economizer 9 is connected with the water inlet end of drum 12, and the front-packed evaporator 5 and rearmounted evaporator 8 are connected with drum 12 respectively,
The water side of the drum 12 is connected with the admission end of one-level steam superheater 7, the steam output end of the one-level steam superheater 7
It is connected by direct-contact desuperheater with the admission end of second steam superheater 6, the steam output end of second steam superheater 6 steams for overheat
Vapour outlet side.
Direct-contact desuperheater is existing apparatus in the present invention.In the present invention front-packed evaporator 5 and rearmounted evaporator 8 respectively with vapour
Bag 12 is connected, i.e., front-packed evaporator 5 and rearmounted evaporator 8 are each independent is connected with drum 12, forms two Natural Circulations,
Front-packed evaporator 5 and rearmounted evaporator 8 are respectively that drum 12 provides steam water interface, and drum 12 is vapor in steam water interface
It is supplied to after one-level steam superheater 7 and second steam superheater 6, it is final to produce superheated steam and from second steam superheater 6
Steam output end discharge.
Embodiment two：Illustrate present embodiment with reference to Fig. 2, Fig. 3 and Fig. 4, it is rearmounted described in present embodiment to steam
Sending out device 8 includes upper collecting chamber 8-1, lower header 8-2, intermediate support beam 8-3, exterior support frame 8-5 and Duo Gen studded tube 8-4, described
Upper collecting chamber 8-1, lower header 8-2, intermediate support beam 8-3 and Duo Gen studded tube 8-4 are arranged in exterior support frame 8-5, described
Upper collecting chamber 8-1 and lower header 8-2 horizontal alignments are set, and the upper collecting chamber 8-1 is located at lower header 8-2 surface, described many
Studded tube 8-4 is set up in parallel and is arranged on by intermediate support beam 8-3 between upper collecting chamber 8-1 and lower header 8-2, every vertically
Studded tube 8-4 includes upper bend loss 8-4-1, straight length 8-4-2 and lower bend loss 8-4-3, the upper bend loss 8-4-1, straight tube
Section 8-4-2 and lower bend loss 8-4-3 sequentially fix to connect from top to bottom is made as one, the upper end of the upper bend loss 8-4-1 with
Upper collecting chamber 8-1 is connected, and the lower end of the lower bend loss 8-4-3 is connected with lower header 8-2.
Many studded tube 8-4 setting can play the effect for strengthening heat exchange in present embodiment, and heat exchange area is than existing
Device improves 30%, and every studded tube 8-4 structures of itself make bend loss 8-4-1 thereon and lower bend loss 8-4-3 be respectively positioned on by force
Convection current, wash away beyond section by force, straight length 8-4-2 regions are strong convection, wash away region by force.Rearmounted evaporator 8 can adapt to 8
Cigarette speed higher~12m, so as to strengthen convection current, improves the coefficient of heat transfer, improves heat exchange efficiency.Other NM structures and connection
Mode is identical with embodiment one.
Embodiment three：Illustrate present embodiment with reference to Fig. 2, Fig. 3 and Fig. 4, it is rearmounted described in present embodiment to steam
Device 8 is sent out also including accessory part 8-7 in header support 8-6, at least one set and at least one set of lower accessory part 8-8, the header
Bearing 8-6 is arranged on intermediate support beam 8-3 top, and the upper collecting chamber 8-1 is arranged on header support 8-6；In at least one set
Accessory part 8-7 is arranged on exterior support frame 8-5 top, and upper accessory part 8-7 includes the first hermetically sealed case pipe 8-7-1, the
One inner tube 8-7-2 and the first sealing plate 8-7-3, the first hermetically sealed case pipe 8-7-1 are located on exterior support frame 8-5, and described
One inner tube 8-7-2 is sleeved in the first hermetically sealed case pipe 8-7-1 and its lower end is connected with upper collecting chamber 8-1, first sealing
Plate 8-7-3 is sleeved on the first inner tube 8-7-2 upper end and its lower surface and the first hermetically sealed case pipe 8-7-1 phases are adjacent to, and described
One hermetically sealed case pipe 8-7-1 tube wall is curved tube wall；The lower accessory part 8-8 of at least one set is arranged on exterior support frame 8-5
Bottom, lower accessory part 8-8 includes the second hermetically sealed case pipe 8-8-1, the second inner tube 8-8-2 and the second sealing plate 8-8-3, the
Two hermetically sealed case pipe 8-8-1 are located on exterior support frame 8-5, and the second inner tube 8-8-2 is sleeved on the second hermetically sealed case pipe
8-8-1 is interior and its upper end is connected with lower header 8-2, and the second sealing plate 8-8-3 is sleeved on the second inner tube 8-8-2 lower end
And its upper surface is adjacent to the second hermetically sealed case pipe 8-8-1 phases, the tube wall of the second hermetically sealed case pipe 8-8-1 is curved pipe
Wall.
Made in present embodiment by accessory part 8-7 at least one set and at least one set of lower accessory part 8-8 setting
The overall expansion system of rearmounted evaporator 8 is fully reasonable, and tube panel internal expansion is compensated by elbow in many studded tube 8-4, outside
The horizontal and vertical expansion of pipe fitting is compensated by upper accessory part 8-7 and lower accessory part 8-8 inside support frame 8-5, furnace lining it is each
Dilatation joint is set between individual face, tamped using fire-retardent fiber felt-rug, it is ensured that expansion and sealing.
The rearmounted in-site installation of evaporator 8 more facilitates in present embodiment, and strong heat exchange, the evaporator of cramped construction make entirety
Weight and overall dimensions are all smaller by about 1/3 than conventional, and effective mitigation scene is had bad luck, the burden of hoisting and hanging.Intermediate support beam 8-3
For steel framework, steel framework strengthens connecting plate 8-9 in upper be provided with entrance and exit joint face, in place in two modules
Afterwards, intermodule installs refractory fibre backing plate additional, strengthen connecting plate at fastened with high-strength bolt, be allowed to tight, install more efficiently,
It is convenient.Upper collecting chamber 8-1 and lower header 8-2 are set and in without convection pass built in being, and fully solve external header intensive
Tube bank difficult sealing problem through walls, and it is convenient to the inspection of pressure containing part weld seam.
Upper collecting chamber 8-1 includes catchmenting tank body at least one in present embodiment, it is each on tank body correspondence of catchmenting have one group
Upper accessory part 8-7, lower header 8-2 include at least one lower water collect tank body, and each lower water collect tank body is aided under one group that should have
Component 8-8, rearmounted evaporator 8 also includes two plate sealing shroud 8-10 through walls and two the 3rd sealing plate 8-11, and above catchment tank body
A plate sealing shroud 8-10 through walls and a 3rd sealing plate 8-11 are each provided with the exterior support frame 8-5 two ends being in contact.
The end and the end that plate sealing shroud 8-10 through walls is sleeved on the tank body that catchments are provided with a 3rd sealing plate 8-11, for even
Connect plate sealing shroud 8-10 through walls and the tank body that above catchments.
Front-packed evaporator 5 in the present invention is identical with the structure of rearmounted evaporator 8, and the two difference is front-packed evaporator
Many studded tube 8-4 are substituted using many light pipes in 5, the arrangement of light pipe is identical with studded tube 8-4 arrangement.It is preposition
The setting of evaporator 5 is adhered to mitigate the ash of molten condition.The setting of rearmounted evaporator 8 is to be effectively increased heating surface
Product, improves the flowing velocity of flue gas, so as to realize the effect exchanged heat by force, effectively reduces the usage quantity of pipe.Two grades of economizers 9
It is economizer with one-level economizer 10, is existing component, the inside of two grades of economizers 9 and one-level economizer 10 is provided with
Multiple finned tubes, front-packed evaporator 5, rearmounted evaporator 8, the structure of two grades of economizers 9 and one-level economizer 10 are modular
Structure, not only easy to disassemble and assembling, is conveniently replaceable part, also acts the effect of enhancing heat exchange.
It is interior in second steam superheater 6, one-level steam superheater 7, two grades of economizers 9 and one-level economizer 10 in the present invention
The course of work that portion solves expansion issues is identical with the course of work that the rearmounted inside of evaporator 8 solves expansion issues.It is other not carry
And structure and connected mode it is identical with embodiment two.
Embodiment four：Illustrate present embodiment with reference to Fig. 5 and Fig. 6, burner 1 described in present embodiment includes
Burner body 1-1, premix chamber 1-2, flame sighting tube 1-4, fuel gas pipe 1-5, three trouble type branch pipes and multiple swirl vane 1-
16, the burner body 1-1 is connected by premix chamber 1-2 with burning disposal chamber, is processed at the top of the burner body 1-1
Have and main fuel gas entrance 1-19 is machined with the top of air intake 1-3, the premix chamber 1-2, the one of the flame sighting tube 1-4
End sequentially passes through burner body 1-1 and premix chamber 1-2, the flame sighting tube 1-4 along burner body 1-1 length direction
The other end be in that burner body 1-1 is outer and the end is the first observation flame end, one end of the fuel gas pipe 1-5 is communicated with
Three mouth of pipe in three trouble type branch pipes, three trouble type branch pipes be respectively igniter fuel gas entrance 1-6, electric igniter interface 1-7 and
Igniting air intake 1-8, the fuel gas pipe 1-5 other end sequentially pass through burner body 1-1 and premix chamber 1-2 and close
Flame sighting tube 1-4 is set, and multiple swirl vane 1-16 are uniformly arranged on burner body 1- centered on flame sighting tube 1-4
In 1.
By being equipped between burner 1, premix chamber and multiple swirl vanes in present embodiment, reinforcing combustion is played
The effect of burning.According to the change of the generation machine utilization of regenerated flue gas, the quantitative change of regenerated flue gas is about 10:3, it is considered to stop and start transport and
Turndown ratio, burner regulation ratio is designed as 15 during accident condition:1, fully adapt to the change of regenerated flue gas.Other NM structures and
Connected mode is identical with embodiment one or three.
Embodiment five：Illustrate present embodiment with reference to Fig. 5 and Fig. 6, burner 1 described in present embodiment is also wrapped
Include altar lamp air inlet lines 1-9 and altar lamp fuel inlet pipe 1-10, the altar lamp air inlet lines 1-9 are located in burner body
On 1-1, it is the second observation flame end, the altar lamp that the altar lamp air inlet lines 1-9, which is in burner body 1-1 one end,
Fuel inlet pipe 1-10 is located at outside burner body 1-1 and is connected with altar lamp air inlet lines 1-9.
Altar lamp is provided with the present invention in burner 1, altar lamp air inlet lines 1-9 provides air for altar lamp, kept burning day and night
Lamp fuel inlet pipe 1-10 provide fuel for altar lamp.The caloric value of altar lamp is not less than 0.025MW, fuel atmospheric pressure 0.05-
0.25MPa, in any condition when main burner stops burning, is still supplied to altar lamp, makes the stable burning of altar lamp.It is other
NM structure and connected mode are identical with embodiment four.
Embodiment six：Illustrate present embodiment with reference to Fig. 5 and Fig. 6, burner 1 described in present embodiment is also wrapped
Include and be also equipped with flame monitoring pipe 1-11, institute on flame monitoring pipe 1-11 and the first cooling tube 1-12, the burner body 1-1
State the interface end that one end in flame monitoring pipe 1-11 outside burner body 1-1 is flame monitor, first cooling
Pipe 1-12 is located at outside burner body 1-1 and it is connected with flame monitoring pipe 1-11.Other NM structures and connection side
Formula is identical with embodiment five.
Embodiment seven：Illustrate present embodiment with reference to Fig. 5 and Fig. 6, flame sighting tube described in present embodiment
Supplement fuel gas entrance 1-13, the supplement fuel gas entrance 1-13 are also machined with 1-4 outside burner body 1-1 and is leaned on
Nearly first observation flame end is set, and the second cooling tube 1-14 is located at outside burner body 1-1 and is connected with flame sighting tube 1-4
It is logical.Other NM structures and connected mode are identical with embodiment four.
Embodiment eight：Illustrate present embodiment with reference to figure Fig. 5 and Fig. 6, premix chamber 1-2 described in present embodiment
On be connected with secondary air feed pipe 1-15, the secondary air feed pipe 1-15 is inclined on premix chamber 1-2, secondary air feed pipe 1-15
Angle between the central axis of axial direction and the longitudinal axis of premix chamber 1-2 horizontal directions is α, the span of angle α
For 15 ° to 25 °.
Three mouth of pipe in present embodiment in three trouble type branch pipes are respectively igniter fuel gas entrance 1-6, electric igniter
Interface 1-7 and igniting air intake 1-8, igniter fuel is passed through by igniter fuel gas entrance 1-6, and igniting air intake 1-8 leads to
Enter air of lighting a fire, lighted a fire through electric igniter interface 1-7, immediately by supplementing fuel gas entrance 1-13 and air intake 1-3
Burnt into burner body 1-1 combustion mediums, then be passed through main fuel gas entrance 1-19 and secondary air feed pipe 1-15 and provided
Secondary Air be engaged, burner body 1-1 swirl flame tangentially enters into and through it by main fuel gas entrance 1-19
With the angle α between secondary air feed pipe 1-15, form complete swirl flow combustion and enter in the burning disposal chamber at rear portion.Fuel tolerance
Sufficient remaining is given according to main fuel gas entrance 1-19 amount and the fluctuation situation of parameter to consider, and pass through control with air capacity
System is suitably adjusted, and makes burning more abundant.
The angle of secondary air feed pipe 1-15 and premix chamber 1-2 junctions is α in present embodiment, secondary air feed pipe 1-15 with
The span of angle α between the central axis of premix chamber 1-2 horizontal directions is 15 ° to 25 °.Because the present invention is horizontal pot
Stove, that is, be horizontally disposed with boiler on the ground, and angle α is considered as the angle between secondary air feed pipe 1-15 and level ground.
Other NM structures and connected mode are identical with embodiment five, six or seven.
Embodiment nine：Illustrate present embodiment with reference to Fig. 1 to Fig. 6, present embodiment also includes support frame 11, institute
State and support frame 11 is provided with outside center processing chamber, the drum 12 is arranged on support frame 11.Other NM structures and company
Connect mode identical with embodiment eight.
Embodiment ten：Illustrate present embodiment with reference to Fig. 1 to Fig. 6, it also includes support frame 11 to present embodiment,
Support frame 11 is provided with outside the center processing chamber, the drum 12 is arranged on support frame 11.Other NM structures and
Connected mode is identical with embodiment one, three or seven.
The course of work of the present invention：
Fume treatment process：Flue gas is tangentially entered in burner body 1-1 by main fuel gas entrance 1-19 from top to bottom,
Burner body 1-1 forms effective swirl flow combustion by multiple swirl vane 1-16 Secondary Airs for coordinating angle α to be passed through again, passes through
Burning disposal intracavitary is sufficiently mixed and burnt to burning gases, in direct current tracery wall room adjust velocity of flue gas, the air-flow uniformity and
Enter front-packed evaporator 5 after airflow direction.Flue gas washes away tube bank and premenstrual puts evaporator 5, second steam superheater 6, one-level successively
Discharged after steam superheater 7, rearmounted evaporator 8, two grades of economizers 9 and one-level economizer 10, complete flue gas flow.
Water cycle process：Boiler feedwater is heated by two grades of economizers 9 and one-level economizer 10 first, the undersaturation of heating
Water enters drum 12, enters front-packed evaporator 5 and rearmounted evaporator 8, front-packed evaporator 5 and the structure of rearmounted evaporator 8 by down-comer
Into the evaporating heating surface of boiler, form steam water interface and enter drum 12, saturated vapor and water, saturated vapor are separated by drum 12
One-level steam superheater 7 is entered by connecting tube, entered after carrying out temperature adjustment through direct-contact desuperheater after second steam superheater 6
Superheated steam is produced, for production application.
Claims (10)
1. a kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler, it is characterised in that：It includes burning disposal chamber
(2), center processing chamber (3), afterbody processing chamber (4), burner (1), front-packed evaporator (5), second steam superheater (6), one
Level steam superheater (7), rearmounted evaporator (8), two grades of economizers (9), one-level economizer (10) and drum (12), the burning
Processing chamber (2), center processing chamber (3) and afterbody processing chamber (4) are sequentially communicated in the horizontal direction, the burning disposal chamber (2)
One end be provided with burner (1), by one end close to burner (1) to away from burner (1) in the burning disposal chamber (2)
The other end be in turn divided into combustion chamber, burning chamber and direct current tracery wall room, be provided with drum outside the center processing chamber (3)
(12) the first process chamber, second processing room and the 3rd process chamber, described first, are in turn divided into the center processing chamber (3)
Process chamber is connected with direct current tracery wall room, and the 3rd process chamber is connected with afterbody processing chamber (4), and the front-packed evaporator (5) sets
Put in the first process chamber, the second steam superheater (6) and one-level steam superheater (7) are disposed in parallel in second processing room
Interior, the rearmounted evaporator (8) is arranged in the 3rd process chamber, and two grades of economizers (9) and one-level economizer (10) are side by side
It is arranged in afterbody processing chamber (4), the one-level economizer (10) is connected with two grades of economizers (9), two grades of economizers
(9) water inlet end with drum (12) is connected, the front-packed evaporator (5) and rearmounted evaporator (8) respectively with drum (12) phase
Connection, the water side of the drum (12) is connected with the admission end of one-level steam superheater (7), the one-level steam superheater
(7) steam output end is connected by direct-contact desuperheater with the admission end of second steam superheater (6), second steam superheater (6)
Steam output end be superheated steam outlet side.
2. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 1 burns modular afterheat boiler, it is characterised in that：
The rearmounted evaporator (8) includes upper collecting chamber (8-1), lower header (8-2), intermediate support beam (8-3), exterior support frame (8-5)
With many studded tubes (8-4), the upper collecting chamber (8-1), lower header (8-2), intermediate support beam (8-3) and many studded tube (8-
4) it is arranged in exterior support frame (8-5), the upper collecting chamber (8-1) and lower header (8-2) horizontal alignment are set, the upper collection
Case (8-1) is located at the surface of lower header (8-2), and many studded tubes (8-4) are set up in parallel and by centre branch vertically
Support (8-3) is arranged between upper collecting chamber (8-1) and lower header (8-2), and every studded tube (8-4) includes upper bend loss (8-4-
1), straight length (8-4-2) and lower bend loss (8-4-3), the upper bend loss (8-4-1), straight length (8-4-2) and lower bend loss
(8-4-3) sequentially fixes connection and is made as one, upper end and upper collecting chamber (8-1) phase of the upper bend loss (8-4-1) from top to bottom
Connection, the lower end of the lower bend loss (8-4-3) is connected with lower header (8-2).
3. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 2 burns modular afterheat boiler, it is characterised in that：
The rearmounted evaporator (8) is also including accessory part (8-7) in header support (8-6), at least one set and at least one set of lower auxiliary
Component (8-8), the header support (8-6) is arranged on intermediate support beam (8-3) top, and the upper collecting chamber (8-1) is arranged on
On header support (8-6)；Accessory part (8-7) is arranged on exterior support frame (8-5) top, upper accessory part at least one set
(8-7) includes the first hermetically sealed case pipe (8-7-1), the first inner tube (8-7-2) and the first sealing plate (8-7-3), and the first sealing is outer
Sleeve pipe (8-7-1) is located on exterior support frame (8-5), and first inner tube (8-7-2) is sleeved on the first hermetically sealed case pipe (8-
7-1) interior and its lower end is connected with upper collecting chamber (8-1), and first sealing plate (8-7-3) is sleeved on the first inner tube (8-7-2)
Upper end and its lower surface be mutually adjacent to the first hermetically sealed case pipe (8-7-1), the tube wall of the first hermetically sealed case pipe (8-7-1)
For curved tube wall；The lower accessory part (8-8) of at least one set is arranged on exterior support frame (8-5) bottom, lower accessory part (8-
8) the second hermetically sealed case pipe (8-8-1), the second inner tube (8-8-2) and the second sealing plate (8-8-3), the second hermetically sealed case pipe are included
(8-8-1) is located on exterior support frame (8-5), and second inner tube (8-8-2) is sleeved on the second hermetically sealed case pipe (8-8-1)
Interior and its upper end is connected with lower header (8-2), and second sealing plate (8-8-3) is sleeved under the second inner tube (8-8-2)
Hold and its upper surface is mutually adjacent to the second hermetically sealed case pipe (8-8-1), the tube wall of the second hermetically sealed case pipe (8-8-1) is song
Face shape tube wall.
4. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 1 or 3 burns modular afterheat boiler, its feature exists
In：The burner (1) includes burner body (1-1), premix chamber (1-2), flame sighting tube (1-4), fuel gas pipe (1-
5), three trouble type branch pipes and multiple swirl vanes (1-16), the burner body (1-1) pass through at premix chamber (1-2) and burning
Reason chamber (2) is connected, and air intake (1-3), the top of the premix chamber (1-2) are machined with the top of the burner body (1-1)
Portion is machined with main fuel gas entrance (1-19), the length side of one end of the flame sighting tube (1-4) along burner body (1-1)
To burner body (1-1) and premix chamber (1-2) is sequentially passed through, the other end of the flame sighting tube (1-4) is in burner
Body (1-1) is outside and the end is the first observation flame end, and one end of the fuel gas pipe (1-5) is communicated with three trouble type branch pipes, three
Three mouth of pipe in trouble type branch pipe are respectively that igniter fuel gas entrance (1-6), electric igniter interface (1-7) and igniting air enter
Mouth (1-8), the other end of the fuel gas pipe (1-5) sequentially passes through burner body (1-1) and premix chamber (1-2) and close to fire
Flame sighting tube (1-4) is set, and multiple swirl vanes (1-16) are uniformly arranged on burner sheet centered on flame sighting tube (1-4)
In body (1-1).
5. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 4 burns modular afterheat boiler, it is characterised in that：
The burner (1) also includes altar lamp air inlet lines (1-9) and altar lamp fuel inlet pipe (1-10), and the altar lamp air enters
Pipe (1-9) is located on burner body (1-1), and the altar lamp fuel inlet pipe (1-10) is located at burner body (1-1) outside
And be connected with altar lamp air inlet lines (1-9).
6. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 5 burns modular afterheat boiler, it is characterised in that：
The burner (1) is also included on flame monitoring pipe (1-11) and the first cooling tube (1-12), the burner body (1-1) also
It is fire to be equipped with flame monitoring pipe (1-11), the flame monitoring pipe (1-11) in the one end of burner body (1-1) outside
The interface end of flame monitor, first cooling tube (1-12) is located at burner body (1-1) outside and itself and flame monitoring pipe (1-
11) it is connected.
7. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 4 burns modular afterheat boiler, it is characterised in that：
Supplement fuel gas entrance (1-13), described supplement fuel gas entrance (1-13) position are also machined with the flame sighting tube (1-4)
In burner body (1-1) outside and close to the first observation flame end setting, the second cooling tube (1-14) is located at burner body (1-
1) it is connected outside and with flame sighting tube (1-4).
8. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 5,6 or 7 burns modular afterheat boiler, its feature
It is：Secondary air feed pipe (1-15) is connected with the premix chamber (1-2), the secondary air feed pipe (1-15) is inclined at pre-
On mixed chamber (1-2), the central axis of secondary air feed pipe (1-15) axial direction and the longitudinal axis of premix chamber (1-2) horizontal direction
Between angle be α, the span of angle α is 15 ° to 25 °.
9. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 8 burns modular afterheat boiler, it is characterised in that：
It also includes being provided with support frame (11) outside support frame (11), the center processing chamber, and the drum (12) is arranged on support frame
(11) on.
10. a kind of Horizontal high efficient energy saving environmental protection CO according to claim 1 or 3 or 7 burns modular afterheat boiler, it is special
Levy and be：It also includes being provided with support frame (11) outside support frame (11), the center processing chamber, and the drum (12) is arranged on
On support frame (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610179700.0A CN105674235B (en) | 2016-03-25 | 2016-03-25 | A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler |
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| CN201610179700.0A CN105674235B (en) | 2016-03-25 | 2016-03-25 | A kind of Horizontal high efficient energy saving environmental protection CO burns modular afterheat boiler |
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| CN105674235B true CN105674235B (en) | 2017-10-31 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62500118A (en) * | 1984-09-18 | 1987-01-16 | パイロケム・インコ−ポレ−テツド | Burner and combustion method for liquid waste |
| EP1525156A1 (en) * | 2002-07-25 | 2005-04-27 | Thyssenkrupp Encoke Gmbh | Fission reactor for a claus plant |
| CN102168857A (en) * | 2011-04-15 | 2011-08-31 | 中橡集团炭黑工业研究设计院 | High-concentration saliferous organic waste liquid incinerator and incineration technique |
| CN205079208U (en) * | 2015-10-15 | 2016-03-09 | 中国石油天然气第一建设公司 | Gram louth stove is installed with integrated sled of exhaust -heat boiler and is equipped with |
| CN205535724U (en) * | 2016-03-25 | 2016-08-31 | 哈尔滨哈锅锅炉工程技术有限公司 | Horizontal energy -efficient environmental protection CO burns modular exhaust -heat boiler |
-
2016
- 2016-03-25 CN CN201610179700.0A patent/CN105674235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62500118A (en) * | 1984-09-18 | 1987-01-16 | パイロケム・インコ−ポレ−テツド | Burner and combustion method for liquid waste |
| EP1525156A1 (en) * | 2002-07-25 | 2005-04-27 | Thyssenkrupp Encoke Gmbh | Fission reactor for a claus plant |
| CN102168857A (en) * | 2011-04-15 | 2011-08-31 | 中橡集团炭黑工业研究设计院 | High-concentration saliferous organic waste liquid incinerator and incineration technique |
| CN205079208U (en) * | 2015-10-15 | 2016-03-09 | 中国石油天然气第一建设公司 | Gram louth stove is installed with integrated sled of exhaust -heat boiler and is equipped with |
| CN205535724U (en) * | 2016-03-25 | 2016-08-31 | 哈尔滨哈锅锅炉工程技术有限公司 | Horizontal energy -efficient environmental protection CO burns modular exhaust -heat boiler |
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| Publication number | Publication date |
|---|---|
| CN105674235A (en) | 2016-06-15 |
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Address after: 150066 No.1, Hanan 8th Avenue, core area of Hanan industrial new town, Harbin City, Heilongjiang Province Patentee after: Harbin Xintang Energy Equipment Co.,Ltd. Country or region after: China Address before: 150066 No.1, Hanan 8th Avenue, core area of Hanan industrial new town, Harbin City, Heilongjiang Province Patentee before: HARBIN HAGUO BOILER ENGINEERING TECHNOLOGY Co.,Ltd. Country or region before: China |