CN107062180A - Low nitrogen vapor boiler - Google Patents
Low nitrogen vapor boiler Download PDFInfo
- Publication number
- CN107062180A CN107062180A CN201710405347.8A CN201710405347A CN107062180A CN 107062180 A CN107062180 A CN 107062180A CN 201710405347 A CN201710405347 A CN 201710405347A CN 107062180 A CN107062180 A CN 107062180A
- Authority
- CN
- China
- Prior art keywords
- flue
- heat exchanger
- exchanger tube
- flue gas
- burner
- 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
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 14
- 239000003546 flue gas Substances 0.000 claims abstract description 62
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000010992 reflux Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000007789 gas Substances 0.000 claims description 16
- 239000003351 stiffener Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 239000003517 fume Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 238000010521 absorption reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 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
- 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
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/06—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for completing combustion
-
- 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
- F23C9/00—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber
- F23C9/08—Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber for reducing temperature in combustion chamber, e.g. for protecting walls of combustion chamber
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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
Abstract
The invention discloses a kind of low nitrogen vapor boiler, including tubular shell, flue, first heat exchanger tube and flue gas rotary room and burner, the axis direction of the axis direction of flue and the first heat exchanger tube is parallel, and the axis direction with tubular shell is in the same direction, flue gas rotary room connects the rear end for being arranged on flue, burner is arranged on outside tubular shell front end, the flame lance of burner is extended in flue, and flame lance is coaxially set with flue, first heat exchanger tube is connected with flue gas rotary room, front bulkhead inside flue close to burner one end is the tabular perpendicular to flue axis direction；Also include flue gas exteenal reflux pipeline, its one end connection flue gas exhausting pipe line, the other end connects the plenum system of burner, and the temperature sensor of detection flue-gas temperature and the motor-operated control valve for controlling flue gas flow size are provided with flue gas exteenal reflux pipeline.It is rational in infrastructure in the present invention, NO_x formation can be suppressed, with good effect.
Description
Technical field
The present invention relates to a kind of boiler, and in particular to a kind of low nitrogen vapor boiler.
Background technology
Boiler is a kind of energy conversion, and the energy inputted into boiler has chemical energy, electric energy in fuel, and boiler is defeated
Go out the steam with certain heat energy, high-temperature water or organic heat carrier.The original meaning of pot is the water container heated on fire, and stove refers to combustion
The place of fuel burning, boiler then includes pot and stove two large divisions.The hot water or steam produced in boiler can directly be industrial production
Heat energy needed for being provided with people's lives, can also be converted to mechanical energy by Steam Power Equipment, or again by generator by machinery
Electric energy can be converted to.The boiler for providing hot water is referred to as hot-water boiler, is mainly used in also having a small amount of application in life, industrial production.
The boiler for producing steam is steam boiler, is often simply called boiler, is used for thermal power station, ship, locomotive and industrial and mining enterprises.It is existing to steam
The unreasonable structure length of boiler furnace causes formation of nitrogen oxides to remain high, in light of this situation, therefore boiler for producing producer
It is necessary to study the technology for reducing nitrogen oxides.
The content of the invention
In this regard, the present invention is intended to provide a kind of rational in infrastructure, the steam boiler of NO_x formation can be suppressed.
Realizing the technical scheme of the object of the invention is：
A kind of low nitrogen vapor boiler, including tubular shell, flue, the first heat exchanger tube and flue gas rotary room and burner,
The axis direction of the axis direction of the flue and first heat exchanger tube is parallel, and the axis direction with the tubular shell
In the same direction, the flue gas rotary room connection is arranged on the rear end of the flue, and the burner is arranged on the tubular shell front end
Outside, the flame lance of the burner is extended in the flue, and the flame lance is coaxially set with the flue, institute
State the first heat exchanger tube to connect with the flue gas rotary room, the front bulkhead inside the flue close to described burner one end is vertical
In the tabular of the flue axis direction；Also include flue gas exteenal reflux pipeline, its one end connection flue gas exhausting pipe line, the other end
The plenum system of the burner is connected, the TEMP of detection flue-gas temperature is provided with the flue gas exteenal reflux pipeline
Device, the blower fan for accelerating flow of flue gas and the motor-operated control valve for controlling flue gas flow size.
In above-mentioned technical proposal, the side perisporium of the flue is bellows-like structure.
In above-mentioned technical proposal, first heat exchanger tube is divided into two groups, and two group of first heat exchanger tube is relative located at the flue
Both sides, every group of first heat exchanger tube includes many first heat exchanger tubes.
In above-mentioned technical proposal, the shape of cross section of the flue gas rotary room is kidney-shaped, and its roof and bottom wall are slide plate
Shape, its two side is circular arc tabular, and the outside weldings of the roof and the bottom wall have stiffener plate, and the stiffener plate is close
One lateral edges of the flue gas rotary room are arranged at intervals jagged along its length.
In above-mentioned technical proposal, two ends top is provided with reinforcement structure in the tubular shell, and the reinforcement structure includes connecting
Connect the front end-plate and circumferential wall of the end plate of the tubular shell and the first bracing piece of circumferential wall and the connection tubular shell
The second bracing piece, multiple first bracing pieces and multiple second bracing pieces are provided at circumferentially spaced along tubular shell.
In above-mentioned technical proposal, in addition to the condenser being serially connected in the flue gas exhausting pipe line, the condenser is including having
The shell that there are exhaust gases passes, the water inlet supervisor for being vertically arranged on the housing exterior and water outlet main pipe and it is fixed on described
Heat-exchanging component in shell, the exhaust gases passes are transversely set, and its one end is provided with gas approach, and the other end goes out provided with flue gas
Mouthful, it is described water inlet supervisor with water outlet main pipe be located at the shell homonymy and the first from left right side be arranged in parallel, the heat-exchanging component by
Multiple length directions along spaced second set of heat exchange tubes in outer cover height direction into, each second heat exchanger tube are along horizontal cloth
Put, and vertical with flow of flue gas direction in exhaust gases passes, distribution is provided with fin on the outer wall of second heat exchanger tube, it is described enter
Multiple and described multiple one-to-one water inlets of second heat exchanger tube, each second heat exchanger tube are vertically arranged at intervals on water supervisor
Water inlet end connected with corresponding water inlet, be vertically arranged at intervals and multiple changed with described multiple second in the water outlet main pipe
The one-to-one delivery port of heat pipe, the water side of each second heat exchanger tube is connected with corresponding delivery port, described in terms of front
Each second heat exchanger tube is in roundabout bending, from the side, and each second heat exchanger tube is in fold-line-shaped；The number of second heat exchanger tube
Measure as 15~25.
The present invention has positive effect：Using the structure in the present invention, boiler operationally, what flame lance was ejected
The inwall of the flue is touched at the maximum gauge of flame, it is in ring that can be formed in the flue Inner Front End around flame root
The flue gas interior circulation region (in Fig. 1 arrow A meaning region) of shape, the injection that the presence in the flue gas interior circulation region can be to flame
Facilitation is produced, so as to improve flame export speed, main flame is strengthened the volume energy-absorbing power of low-temperature flue gas, and uniform fire
Temperature peak of the flame on flue axial direction, so as to effectively suppress the generation of thermal NO；And in the present invention also
Including flue gas exteenal reflux pipeline, its one end connection flue gas exhausting pipe line, the other end connects the plenum system of the burner, passed through
Part exhaust is returned in the plenum system of burner, so as to reduce the oxygen concentration in air mixture, heat absorption is played
The effect of body, does not cause ignition temperature in flue to become too high, so as to further suppress the generation of nitrogen oxides.
Brief description of the drawings
Fig. 1 is the structural representation of low nitrogen vapor boiler in the present invention；
Fig. 2 is the right view of low nitrogen vapor boiler shown in Fig. 1；
Fig. 3 is the schematic diagram of the shape of cross section of flue gas rotary room in the present invention；
Fig. 4 is the front view of condenser in the present invention；
Fig. 5 is the right view of condenser shown in Fig. 4；
Fig. 6 is the side elevation of heat-exchanging component in condenser shown in Fig. 4.
Reference is shown in figure：1- tubular shells；2- flues；21- front bulkheads；The heat exchanger tubes of 3- first；4- flue gases are returned
Turn room；41- roofs；42- bottom walls；43- sides wall；5- burners；6- flame lances；7- stiffener plates；71- breach；8- first adds
Strong bar；The bracing pieces of 9- second；10- flue gas exteenal reflux pipelines；11- end plates；12- front end-plates；13- flue gas exhausting pipe lines；Outside 14-
Shell；15- water inlet supervisors；151- water inlets；16- water outlet main pipes；161- delivery ports；The heat exchanger tubes of 17- second；18- drainpipes.
Embodiment
The concrete structure in the present invention is done with explanation with reference to Figure of description：
A kind of low nitrogen vapor boiler, as depicted in figs. 1 and 2, it includes tubular shell 1, flue 2, the first heat exchanger tube 3 and cigarette
The axis direction of gas spin chamber 4 and burner 5, the axis direction of the flue 2 and first heat exchanger tube 3 is parallel, and
Axis direction with the tubular shell 1 is in the same direction, and the flue gas rotary room 4 connects the rear end for being arranged on the flue 2, the combustion
Burner 5 is arranged on outside the front end of tubular shell 1, and the flame lance 6 of the burner 5 is extended in the flue 2, and described
Flame lance 6 is coaxially set with the flue 2, and first heat exchanger tube 3 is connected with the flue gas rotary room 4, the flue 2
The internal front bulkhead 21 close to described one end of burner 5 is the tabular perpendicular to the axis direction of flue 2.Using above-mentioned knot
Structure, boiler operationally, touches the inwall of the flue 2, such one at the maximum gauge for the flame that flame lance is ejected
Come, (arrow A is signified in Fig. 1 in the flue gas interior circulation region in a ring that can be formed in the Inner Front End of flue 2 around flame root
Region), the presence in the flue gas interior circulation region can produce facilitation to the injection of flame, so as to improve flame export
Speed, main flame is strengthened the volume energy-absorbing power of low-temperature flue gas, and temperature peak of the uniform flame on flue axial direction, so as to
Effectively suppress the generation of thermal NO；As a further improvement, also include flue gas exteenal reflux pipeline 10 in the present embodiment,
Its one end connects flue gas exhausting pipe line 13, and the other end connects the plenum system of the burner 5, by the way that part exhaust is returned
Into the plenum system of burner 5, so as to reduce the oxygen concentration in air mixture, play heat absorption body, do not cause
Ignition temperature becomes too high in flue 2, so as to further suppress to set on the generation of nitrogen oxides, the flue gas exteenal reflux pipeline 10
It is equipped with the temperature sensor of detection flue-gas temperature and for driving the blower fan of flow of flue gas and controlling the electricity of flue gas flow size
Dynamic control valve, so the flow of backflow flue gas can be adjusted as requested in real time.
In the present embodiment, the side perisporium of the flue 2 is bellows-like structure, and stove can be increased by using this structure
The outer wall surface product of courage 2, and then heat exchange area is added so that heat exchange efficiency is improved.
Further, first heat exchanger tube 3 is divided into two groups, and two group of first heat exchanger tube 3 is located at the opposite sides of flue 2,
Every group of first heat exchanger tube 3 includes many first heat exchanger tubes 3, and the first heat exchanger tube 3 is more reasonable using this layout.
Further, the shape of cross section of the flue gas rotary room 4 is kidney-shaped, referring to shown in Fig. 3, its roof 41 and bottom wall
42 be straight tabular, and its two side 43 is circular arc tabular, and the outside weldings of the roof 41 and the bottom wall 42 have stiffener plate
7, a lateral edges of the stiffener plate 7 close to the flue gas rotary room 4 are arranged at intervals jagged 71 along its length, by setting
The bearing capacity of flue gas rotary room can be increased by putting stiffener plate 7, so as to prevent flue gas rotary room 4 from being acted on and deformed by hydraulic pressure.
On the basis of above-described embodiment, set to strengthen two ends top in the intensity of boiler jacket, the tubular shell 1
Have a reinforcement structure, the reinforcement structure include connecting the end plate 11 of the tubular shell 1 and the first bracing piece 8 of circumferential wall and
The front end-plate 12 of the tubular shell 1 and the second bracing piece 9 of circumferential wall are connected, multiple first bracing pieces 8 and multiple second add
Strong bar 9 is provided at circumferentially spaced along tubular shell 1.
On the basis of above-described embodiment, also include being serially connected in as shown in Figures 4 to 6, in the steam boiler in the present invention
Condenser in the flue gas exhausting pipe line 13, cold water is in condenser absorption discharge flue gas is first passed through before being heated into boiler
Heat, reach pre- heat effect, energy-saving effect can be reached；The condenser includes the shell 14, vertically with exhaust gases passes
The water inlet supervisor 15 being arranged on outside the shell 14 and water outlet main pipe 16 and the heat exchange group being fixed in the shell 14
Part, the exhaust gases passes are transversely set, and its one end is provided with gas approach, and the other end is provided with exhanst gas outlet, the water inlet supervisor
15 with water outlet main pipe 16 located at the shell 14 homonymy and the first from left right side be arranged in parallel, the heat-exchanging component is by multiple along shell
Spaced second heat exchanger tube 17 of short transverse is constituted, the length direction of each second heat exchanger tube 17 along horizontally disposed, and
Vertical with flow of flue gas direction in exhaust gases passes, distribution is provided with fin, the water inlet on the outer wall of second heat exchanger tube 17
Multiple and the described one-to-one water inlet 151 of multiple second heat exchanger tubes 17, each second are vertically arranged at intervals on supervisor 15
The water inlet end of heat exchanger tube 17 is connected with corresponding water inlet 151, and multiple and institute is vertically arranged at intervals in the water outlet main pipe 16
The one-to-one delivery port 161 of multiple second heat exchanger tubes 17 stated, the water side of each second heat exchanger tube 17 with it is corresponding go out
The mouth of a river 161 is connected, in terms of front, and each second heat exchanger tube 17 is in roundabout bending, from the side, each second heat exchanger tube
17 be in fold-line-shaped；The quantity of second heat exchanger tube 17 is 15~25, such as sets 25 the second heat exchanger tubes 17.Above-mentioned condenser
Compact conformation rationally, good effect of heat exchange, be particularly suitable for hot-water boiler big flow water inlet requirement.
Further, the bottom of shell 14 is provided with drainpipe 18, flue gas heat liquid in the lower section of second heat exchanger tube 17
The water produced after change collects in water leg and discharged in time by drainpipe 18.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (6)
1. a kind of low nitrogen vapor boiler, it is characterised in that：Including tubular shell, flue, the first heat exchanger tube and the cigarette laterally set
The axis direction of gas spin chamber and burner, the axis direction of the flue and first heat exchanger tube is parallel, and and institute
The axis direction for stating tubular shell is in the same direction, and the flue gas rotary room connection is arranged on the rear end of the flue, and the burner is set
Put outside the tubular shell front end, the flame lance of the burner is extended in the flue, and the flame lance with
The flue is coaxially set, and first heat exchanger tube is connected with the flue gas rotary room, close to the combustion inside the flue
The front bulkhead of burner one end is the tabular perpendicular to the flue axis direction；Also include flue gas exteenal reflux pipeline, its one end
Flue gas exhausting pipe line is connected, the other end connects the plenum system of the burner, is provided with the flue gas exteenal reflux pipeline
Detect the temperature sensor of flue-gas temperature, the blower fan for accelerating flow of flue gas and for controlling the electronic of flue gas flow size
Control valve.
2. low nitrogen vapor boiler according to claim 1, it is characterised in that the side perisporium of the flue is corrugated tube shape knot
Structure.
3. low nitrogen vapor boiler according to claim 1 or 2, it is characterised in that first heat exchanger tube is divided into two groups, two
The first heat exchanger tube of group is located at the flue opposite sides, and every group of first heat exchanger tube includes many first heat exchanger tubes.
4. low nitrogen vapor boiler according to claim 1 or 2, it is characterised in that the cross section shape of the flue gas rotary room
Shape is kidney-shaped, and its roof and bottom wall are straight tabular, and its two side is circular arc tabular, the outside weldering of the roof and the bottom wall
Stiffener plate is connected to, a lateral edges of the stiffener plate close to the flue gas rotary room are arranged at intervals with scarce along its length
Mouthful.
5. low nitrogen vapor boiler according to claim 1 or 2, it is characterised in that two ends top is set in the tubular shell
There is reinforcement structure, the reinforcement structure includes connecting end plate and the first bracing piece of circumferential wall and the connection of the tubular shell
The front end-plate of the tubular shell and the second bracing piece of circumferential wall, multiple first bracing pieces and multiple second bracing pieces are along cylinder
Shape housing is provided at circumferentially spaced.
6. low nitrogen vapor boiler according to claim 1 or 2, it is characterised in that also including being serially connected in the fume emission
Condenser in pipeline, the condenser includes the shell with exhaust gases passes, is vertically arranged on the water inlet of the housing exterior
Supervisor and water outlet main pipe and the heat-exchanging component being fixed in the shell, the exhaust gases passes are transversely set, and its one end is set
There is gas approach, the other end is provided with exhanst gas outlet, and the water inlet supervisor is with water outlet main pipe located at the homonymy of the shell and a left side
One right side be arranged in parallel, and the heat-exchanging component is by multiple along spaced second set of heat exchange tubes in outer cover height direction into described each
The length direction of second heat exchanger tube is along horizontally disposed and vertical with flow of flue gas direction in exhaust gases passes, second heat exchanger tube
Outer wall on distribution be provided with fin, be vertically arranged at intervals on the water inlet supervisor multiple with described multiple second heat exchanger tubes
One-to-one water inlet, the water inlet end of each second heat exchanger tube is connected with corresponding water inlet, in the water outlet main pipe vertically
Be arranged at intervals it is multiple with described multiple one-to-one delivery ports of second heat exchanger tube, the water side of each second heat exchanger tube with
Corresponding delivery port connection, in terms of front, each second heat exchanger tube is in roundabout bending, and from the side, described each second changes
Heat pipe is in fold-line-shaped；The quantity of second heat exchanger tube is 15~25, and the outer casing bottom is under second heat exchanger tube
Side is provided with drainpipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405347.8A CN107062180A (en) | 2017-05-31 | 2017-05-31 | Low nitrogen vapor boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710405347.8A CN107062180A (en) | 2017-05-31 | 2017-05-31 | Low nitrogen vapor boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107062180A true CN107062180A (en) | 2017-08-18 |
Family
ID=59615559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710405347.8A Pending CN107062180A (en) | 2017-05-31 | 2017-05-31 | Low nitrogen vapor boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107062180A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477557A (en) * | 2017-09-12 | 2017-12-15 | 四川太湖锅炉有限公司 | It is a kind of to cut circle return combustion chamber boiler with one heart |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202902620U (en) * | 2012-08-15 | 2013-04-24 | 安阳方快锅炉有限公司 | Integral center back-draft type condensate bearing hot water furnace |
| CN105387458A (en) * | 2015-12-04 | 2016-03-09 | 重庆川然节能技术有限公司 | System and method for reducing emission of oxynitride of combustion equipment |
| CN205783766U (en) * | 2016-06-16 | 2016-12-07 | 青岛全能节能环保锅炉有限公司 | Circulation shell boiler in a kind of Novel flue gas |
| CN206786682U (en) * | 2017-05-31 | 2017-12-22 | 浙江特富锅炉有限公司 | Low nitrogen vapor boiler |
-
2017
- 2017-05-31 CN CN201710405347.8A patent/CN107062180A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202902620U (en) * | 2012-08-15 | 2013-04-24 | 安阳方快锅炉有限公司 | Integral center back-draft type condensate bearing hot water furnace |
| CN105387458A (en) * | 2015-12-04 | 2016-03-09 | 重庆川然节能技术有限公司 | System and method for reducing emission of oxynitride of combustion equipment |
| CN205783766U (en) * | 2016-06-16 | 2016-12-07 | 青岛全能节能环保锅炉有限公司 | Circulation shell boiler in a kind of Novel flue gas |
| CN206786682U (en) * | 2017-05-31 | 2017-12-22 | 浙江特富锅炉有限公司 | Low nitrogen vapor boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477557A (en) * | 2017-09-12 | 2017-12-15 | 四川太湖锅炉有限公司 | It is a kind of to cut circle return combustion chamber boiler with one heart |
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Application publication date: 20170818 |