CN108036509A - Multiple gun metabolic water cold premixing vacuum boiler - Google Patents
Multiple gun metabolic water cold premixing vacuum boiler Download PDFInfo
- Publication number
- CN108036509A CN108036509A CN201711345141.7A CN201711345141A CN108036509A CN 108036509 A CN108036509 A CN 108036509A CN 201711345141 A CN201711345141 A CN 201711345141A CN 108036509 A CN108036509 A CN 108036509A
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- China
- Prior art keywords
- boiler body
- spray gun
- mixing chamber
- boiler
- frequency conversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 230000002503 metabolic effect Effects 0.000 title claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims description 19
- 239000000567 combustion gas Substances 0.000 claims description 8
- 238000002485 combustion reaction Methods 0.000 abstract description 39
- 238000010438 heat treatment Methods 0.000 abstract description 9
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 11
- 239000003546 flue gas Substances 0.000 description 11
- 238000001816 cooling Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- 238000005496 tempering Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/025—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel
- F24H7/0266—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using fluid fuel the transfer fluid being water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- 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
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- 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)
Abstract
The present invention relates to heating equipment technical field, specifically disclose a kind of multiple gun metabolic water cold premixing vacuum boiler, including boiler body (1) and it is arranged on the burner (2) of boiler body side, the opposite side of the boiler body is connected with chimney (4) by smoke exhaust pipe (3), and the top of the boiler body is equipped with heat exchanger (5)；The burner includes frequency conversion fan (6) and the flared section (7) with the air outlet sealed connection of frequency conversion fan, one end away from frequency conversion fan is equipped with least two mixing chambers (8) on the flared tube, the end of the mixing chamber is equipped with burning spray gun (9), the burning spray gun is connected with the burner hearth in boiler body, it is sealedly connected with Gas Pipe (10) on the mixing chamber, one end in the mixing chamber close to burning spray gun is equipped with igniter (11).The present invention has the characteristics that security is higher, combustion intensity is adjustable, the discharge capacity of NOx is relatively low and combustion power is higher.
Description
Technical field
The present invention relates to heating equipment technical field, and more particularly to one kind is using gas as fuel, and water is as heat transfer
Multiple gun metabolic water cold premixing vacuum boiler.
Background technology
Vacuum boiler is in the vacuum environment of furnace interior one negative pressure of formation of closing, and heat medium water is filled in body,
By burning or other means heating heat medium water, heat medium water is heated generation steam, and steam passes through condensing heat-exchange heating heat exchanger
Water in pipe, realizes the supply of hot water.Traditional vacuum boiler is when using burner heating igniting, in order to faster to boiler
Heated, the combustion gas being originally passed through in mixing chamber is also required to larger firing power ability in the moment of igniting with regard to more
The combustion gas being passed through is lighted, firing power is larger while the combustion gas that is passed through is again more, there will be igniting suddenly and cause combustion gas acute
The problem of strong burning, and then flame tempering may occur and enter burner internal, burn part of appliance in burner even
It is also possible to can trigger explosion, security performance is relatively low；Traditional vacuum boiler only has a combustion system, the bad tune of its combustion intensity
Section, also burns not abundant enough during burning into the gas flame in burner hearth, can produce more NOx (nitrogen oxidations
Thing), the pollution to environment is more serious；The combustion power of separate unit traditional vacuum boiler be nearly all 1.4MW (1.4 megawatts) with
Under, it is difficult to which so that the combustion power of separate unit vacuum boiler reaches more than 1.4MW.
The content of the invention
The present invention is in order to solve the above-mentioned technical problem present in existing vacuum boiler, there is provided a kind of multiple gun burns water cooling
Vacuum boiler is premixed, has the characteristics that security is higher, combustion intensity is adjustable, the discharge capacity of NOx is relatively low and combustion power is higher.
Technical scheme：Multiple gun metabolic water cold premixing vacuum boiler, including boiler body and it is arranged on boiler sheet
The burner of body side, the opposite side of the boiler body are connected with chimney by smoke exhaust pipe, are set at the top of the boiler body
There is heat exchanger；The burner includes frequency conversion fan and the flared section with the air outlet sealed connection of frequency conversion fan, the flaring
One end away from frequency conversion fan is equipped with least two mixing chambers on pipe, and the end of the mixing chamber is equipped with burning spray gun, the combustion
Burn spray gun with the burner hearth in boiler body to be connected, be sealedly connected with Gas Pipe on the mixing chamber, it is close in the mixing chamber
One end of burning spray gun is equipped with igniter.The present invention is being flared by the sealed set flared section at the air outlet of frequency conversion fan
At least two mixing chambers are set in section, a fuel gas pipeline is connected at each mixing chamber while a burning spray gun is set, often
A mixing chamber, burning spray gun and fuel gas pipeline all form a single combustion system together with frequency conversion fan, are enabling every time
Vacuum boiler can first light one of combustion system when lighting a fire, the gas quantity that fuel gas pipeline is passed through in each combustion system
Less, more traditional vacuum boiler igniting, firing power is smaller, and firing power only has 5% or so of total burning output power, greatly
It is big to reduce the risk that part of appliance in damage burner is tempered during igniting, improve security performance；The present invention is by setting extremely
Few two mixing chambers, constitute multiple combustion systems, and each combustion system is complete relatively independent, Ke Yigen
The combustion intensity for adjusting each combustion system according to being actually needed, has the characteristics that combustion intensity is adjustable, combustion flame from each
Burner hearth is sprayed at burning spray gun so that in freeze profile into staggeredly burned flame, can flow between flame and flame compared with
More air so that fuel gas buring is more abundant, and the amount of the nitrogen oxides of generation is relatively fewer, to be reduced compared with conventional burners
25% or so, environmental pollution lesser extent；For the present invention by setting at least two combustion chambers, the quantity of combustion chamber can basis
Actual needs is increased or decreased, and an independent complete combustion system is formed at each combustion chamber, can be by separate unit
The combustion power of boiler is done greatly so that the combustion power of separate unit boiler reaches more than 1.4MW, has higher combustion power.
Preferably, two interconnected condensers are equipped with the smoke exhaust pipe successively, on the condenser of chimney
Inlet pipeline is sealedly connected with, the condenser away from chimney is tightly connected by backheat pipeline and heat exchanger, on the heat exchanger
It is sealedly connected with outlet pipeline.By setting two interconnected condensers on smoke exhaust pipe, can to the flue gas of discharge into
The preferable cooling of row and heat recovery, prior preheating is carried out by the condensed water for being passed through heat exchanger so that the heat exchange effect of heat exchanger
Rate is more preferable, higher to the utilization rate of heat, reduces the heat that flue gas is taken away, avoids heat waste.
Preferably, the smoke exhaust pipe is connected by necking section with the burner hearth inside boiler body.The setting of necking section
Enable flue gas more smoothly to enter smoke exhaust pipe and carry out flue gas cooling and heat recovery, and then discharged by chimney.
Preferably, the burning spray gun is the tubular structure of necking shape.The burning spray gun of necking tubular structure, can
Increasing the pressure that jets out flames so that flame sufficiently burns into burner hearth depths, and then to the heat medium water in boiler body
Heated.
Preferably, the mixing chamber has three.
Preferably, the Gas Pipe is equipped with Gas fuel butterfly valve.By the control of Gas fuel butterfly valve, can preferably adjust into
Enter to mix indoor gas quantity, and then can adjust and each mix indoor combustion intensity.
The present invention has the advantages that：
(1) by the sealed set flared section at the air outlet of frequency conversion fan, to be carried out uniformly to the wind that comes of frequency conversion extension set
Distribution, plays the role of equal scoreboard；By setting at least two mixing chambers in flared section, one is connected at each mixing chamber
A fuel gas pipeline sets a burning spray gun at the same time, and the igniting of more traditional vacuum boiler, firing power is smaller, greatly reduces a little
Tempering damages the risk of part of appliance in burner when fiery, improves security performance；And each combustion system is complete
It is relatively independent, have the characteristics that combustion intensity is adjustable；Combustion flame sprays into burner hearth at each burning spray gun so that
Freeze profile is into staggeredly burned flame, and fuel gas buring is more abundant, and the amount of the nitrogen oxides of generation is relatively fewer；The present invention
The combustion power of separate unit boiler can be done greatly so that the combustion power of separate unit boiler reaches more than 1.4MW, has higher combustion
Burn power；
(2) by setting two interconnected condensers on smoke exhaust pipe, the flue gas of discharge can be carried out preferable
Cooling and heat recovery, carry out prior preheating so that the heat exchange efficiency of heat exchanger is more preferable by the condensed water for being passed through heat exchanger；Contracting
The setting of mouth section enables flue gas more smoothly to enter smoke exhaust pipe progress flue gas cooling and heat recovery, and then is arranged by chimney
Go out；The burning spray gun of necking tubular structure, can increase the pressure that jets out flames so that flame, which sufficiently enters burner hearth depths, to carry out
Burning.
Brief description of the drawings
Fig. 1 is the structural perspective of the present invention；
Fig. 2 is the structural front view of the present invention；
Fig. 3 is the structure top view of the present invention；
Mark in attached drawing for：1- boiler bodies, 2- burners, 3- smoke exhaust pipes, 4- chimneys, 5- heat exchangers, 6- frequency conversion wind
Machine, 7- flared sections, 8- mixing chambers, 9- burning spray guns, 10- Gas Pipes, 11- igniters, 12- condensers, 13- inlet pipelines, 14-
Backheat pipeline, 15- outlet pipelines, 16- necking sections, 17- Gas fuel butterfly valves.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to
According to.
Multiple gun metabolic water cold premixing vacuum boiler as shown in Figure 1, including boiler body 1 and it is arranged on boiler body side
Burner 2, the opposite side of boiler body is connected with chimney 4 by smoke exhaust pipe 3, and the top of boiler body is equipped with heat exchanger 5；Combustion
Burner includes frequency conversion fan 6 and the flared section 7 being tightly connected with the air outlet of frequency conversion fan, away from frequency conversion fan on flared tube
One end is equipped with least two mixing chambers 8, and the end of mixing chamber is equipped with burning spray gun 9 as shown in Figure 2, burning spray gun and boiler sheet
Internal burner hearth is connected, and is sealedly connected with Gas Pipe 10 on mixing chamber, and one end in mixing chamber close to burning spray gun is equipped with point
Firearm 11.Two interconnected condensers 12 as shown in Figure 3 are equipped with smoke exhaust pipe successively, it is close on the condenser of chimney
Envelope is connected with inlet pipeline 13, and the condenser away from chimney is tightly connected by backheat pipeline 14 and heat exchanger, close on heat exchanger
Envelope is connected with outlet pipeline 15.Smoke exhaust pipe is connected by necking section 16 with the burner hearth inside boiler body.Burning spray gun is contracting
The tubular structure of mouth-shaped.Mixing chamber has three.Gas Pipe is equipped with Gas fuel butterfly valve 17.Flared section is flaring chamber and rectangular cavity group
Close the structure formed；Necking section is necking pipeline structure.
The present invention operation principle be：
Heat medium water is filled in heating pipe in boiler body 1, control frequency conversion fan 6 starts, and first controls a mixing
The aperture of Gas fuel butterfly valve 17 at room 8 is passed through suitable combustion gas in the mixing chamber, and control igniter 11 is lighted a fire, a mixing chamber
Interior combustion gas starts to burn, and under the action of frequency conversion fan wind pressure, gas flame adds again at the burning spray gun 9 of necking shape
Pressure is ejected in burner hearth, and starting the condensed water in heat exchanging device 5 into the flame heating heat medium water generation steam in burner hearth carries out
Heating, firing power is smaller, the wind of frequency conversion fan direction tempering damage part of appliance when greatly reducing igniting to burner
Danger, improves security performance, is then controlled the Gas Pipe 10 at other mixing chambers to be passed through combustion gas according to actual needs, and control corresponds to
Mix indoor igniter to light a fire, spray into flame heating heat medium water, difference burning spray into burner hearth from corresponding burning spray gun
Rifle spray combustion flame in burner hearth staggeredly burn, burning more fully, produce pollution air nitrogen oxides it is less；
Also the supply of the carry out condensation cycle water of inlet pipeline 13, the condensed water row of circulation successively are opened when starting frequency conversion fan at the same time
Two condensers 12 at smoke pipe 3 carry out cooling heat recycling to the flue gas discharged in smoke exhaust pipe, and condensed water first passes through condenser
Enter heat exchanger after preheating and absorb heat and hot water is discharged for users to use by outlet pipeline 15 again, user using after complete through following
Ring is entered by inlet pipeline again completes recycling for current.
The present invention has the advantages that：(1) by the sealed set flared section 7 at the air outlet of frequency conversion fan 6, come
The wind that comes of frequency conversion extension set is uniformly distributed, plays the role of equal scoreboard；Mixed by setting at least two in flared section
Room 8 is closed, a Gas Pipe 10 is connected at each mixing chamber while a burning spray gun 9, more traditional vacuum boiler point are set
Fire, firing power is smaller, greatly reduces the risk that part of appliance in damage burner is tempered during igniting, improves security
Energy；And each combustion system is complete relatively independent, has the characteristics that combustion intensity is adjustable；Combustion flame is from every
Burner hearth is sprayed at one burning spray gun so that in freeze profile into staggeredly burned flame, fuel gas buring is more abundant, produces
Nitrogen oxides amount it is relatively fewer；The present invention can do the combustion power of separate unit boiler greatly so that the burning of separate unit boiler
Power reaches more than 1.4MW, has higher combustion power.(2) by setting two interconnected condensations on smoke exhaust pipe 3
Device 12, can carry out the flue gas of discharge preferably cooling and heat recovery, the condensed water for being passed through heat exchanger 5 is carried out in advance
Preheating so that the heat exchange efficiency of heat exchanger is more preferable；The setting of necking section 16 enable flue gas more smoothly enter smoke exhaust pipe into
Row flue gas cools down and heat recovery, and then is discharged by chimney 4；The burning spray gun of necking tubular structure, can increase and jet out flames
Pressure so that flame sufficiently burns into burner hearth depths.
Claims (6)
1. multiple gun metabolic water cold premixing vacuum boiler, it is characterized in that：Including boiler body (1) and it is arranged on boiler body side
Burner (2), the opposite side of the boiler body are connected with chimney (4) by smoke exhaust pipe (3), are set at the top of the boiler body
There is heat exchanger (5)；The burner includes frequency conversion fan (6) and the flared section (7) with the air outlet sealed connection of frequency conversion fan,
One end away from frequency conversion fan is equipped with least two mixing chambers (8) on the flared tube, and the end of the mixing chamber is equipped with burning
Spray gun (9), the burning spray gun are connected with the burner hearth in boiler body, and Gas Pipe is sealedly connected with the mixing chamber
(10), one end in the mixing chamber close to burning spray gun is equipped with igniter (11).
2. multiple gun metabolic water cold premixing vacuum boiler according to claim 1, it is characterized in that：Set successively on the smoke exhaust pipe
There are two interconnected condensers (12), inlet pipeline (13) is sealedly connected with the condenser of chimney, away from chimney
Condenser be tightly connected by backheat pipeline (14) and heat exchanger, be sealedly connected with outlet pipeline (15) on the heat exchanger.
3. multiple gun metabolic water cold premixing vacuum boiler according to claim 2, it is characterized in that：The smoke exhaust pipe passes through necking
Section (16) is connected with the burner hearth inside boiler body.
4. the multiple gun metabolic water cold premixing vacuum boiler according to claim 1 or 2 or 3, it is characterized in that：The burning spray gun
For the tubular structure of necking shape.
5. multiple gun metabolic water cold premixing vacuum boiler according to claim 4, it is characterized in that：The mixing chamber has three.
6. multiple gun metabolic water cold premixing vacuum boiler according to claim 4, it is characterized in that：The Gas Pipe is equipped with combustion
Gas butterfly valve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711345141.7A CN108036509A (en) | 2017-12-15 | 2017-12-15 | Multiple gun metabolic water cold premixing vacuum boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711345141.7A CN108036509A (en) | 2017-12-15 | 2017-12-15 | Multiple gun metabolic water cold premixing vacuum boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108036509A true CN108036509A (en) | 2018-05-15 |
Family
ID=62103062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711345141.7A Pending CN108036509A (en) | 2017-12-15 | 2017-12-15 | Multiple gun metabolic water cold premixing vacuum boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036509A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425531A (en) * | 2019-08-21 | 2019-11-08 | 浙江力聚热水机有限公司 | A kind of more combustion front water cooling pre-mixing gas combustion burners and its combustion method |
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| CN2211577Y (en) * | 1995-01-23 | 1995-11-01 | 哈尔滨工大亚泰热设备有限公司 | Air heater |
| CN201407817Y (en) * | 2009-04-30 | 2010-02-17 | 安阳方快锅炉有限公司 | Finned Tube Condensation Waste Heat Recovery Vacuum Hot Water Boiler |
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| CN107152672A (en) * | 2017-05-05 | 2017-09-12 | 张家港格林沙洲锅炉有限公司 | Low NOXDouble drum gas fired-boilers |
| CN107436031A (en) * | 2017-08-29 | 2017-12-05 | 力聚热力设备科技有限公司 | A kind of double gaseous fuel vacuum boilers |
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-
2017
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| CN201463276U (en) * | 2009-08-20 | 2010-05-12 | 安阳方快锅炉有限公司 | A Finned Membrane Wall Condensing Vacuum Boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425531A (en) * | 2019-08-21 | 2019-11-08 | 浙江力聚热水机有限公司 | A kind of more combustion front water cooling pre-mixing gas combustion burners and its combustion method |
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