CN207649109U - Low nitrogen type heat conducting oil boiler with air preheat - Google Patents
Low nitrogen type heat conducting oil boiler with air preheat Download PDFInfo
- Publication number
- CN207649109U CN207649109U CN201721420016.3U CN201721420016U CN207649109U CN 207649109 U CN207649109 U CN 207649109U CN 201721420016 U CN201721420016 U CN 201721420016U CN 207649109 U CN207649109 U CN 207649109U
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- China
- Prior art keywords
- heat conducting
- shell
- boiler
- low nitrogen
- conducting oil
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- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model is related to heat conducting oil boiler technical field, especially a kind of low nitrogen type heat conducting oil boiler with air preheat, boiler body is connect by first pipe with air preheater, and air preheater is connect by second pipe with energy-saving appliance；Boiler body includes shell, the front shroud mounted on the shell two ends and back shroud and the coiled tube supports that several fixed coil pipes are equipped on the pedestal of housing bottom, the inner wall of shell, and the inner cavity both ends of shell are cast with flame retardant coating；The two ends of shell are separately installed with conduction oil outlet and heat conductive oil inlet, and boiler tube is equipped between conduction oil outlet and heat conductive oil inlet.It is to increase chamber design, reduce combustion zone flame of centre temperature, it is equipped with flue gas outer circulation (extract part of smoke out i.e. from tail flue gas and squeeze into burner hearth technology again), form low oxygen combustion in burner hearth, it is final so that the heat conducting oil boiler for having installed air preheater additional can also realize the discharge of low nitrogen 100mg/m3 to further suppress the generation of NOx.
Description
Technical field
The utility model is related to heat conducting oil boiler technical field, especially a kind of low nitrogen type heat conduction oil boiler with air preheat
Stove.
Background technology
As environmental requirement increasingly improves, also more stringent, combustion gas heat conduction currently on the market is required the low nitrogen of boiler
Thermo oil boiler mostly increases air preheater to improve the Air Temperature entered inside burner hearth to improve the whole thermal efficiency in tail portion
Degree, but some problems are therefore also encountered, wherein particularly important is exactly because the raising of air themperature causes flue gas in burner hearth
Temperature improves, so that nitrogen oxides (NOx) content increases significantly, the discharge of the nitrogen oxides in general flue gas all exists
180mg/m3 or so.
Utility model content
The technical problems to be solved in the utility model is：It overcomes the deficiencies in the existing technology, a kind of heat conducting oil boiler is provided.
Technical solution adopted by the utility model to solve its technical problems is：A kind of low nitrogen type heat conduction with air preheat
Thermo oil boiler has boiler body, air preheater and energy-saving appliance, it is characterised in that：The boiler body by first pipe with
Air preheater connects, and air preheater is connect by second pipe with energy-saving appliance；
The boiler body includes shell, the front shroud mounted on the shell two ends and back shroud and is mounted on
The pedestal of housing bottom is equipped with the coiled tube supports of several fixed coil pipes, and the inner cavity both ends casting of shell on the inner wall of shell
There is flame retardant coating；
The two ends of the shell are separately installed with conduction oil outlet and heat conductive oil inlet, conduction oil outlet and conduction oil into
Boiler tube is installed between mouthful.
Further, the flame retardant coating is made of high alumina cement material, casting material weight ratio：50# or more high aluminas
Cement：Powder：Fine aggregate：Coarse aggregate=3:1:4:4, and add clear water 9~11%.
Further, fire access is offered on the front shroud, and manhole and visor are offered on back shroud.
Further, the side of the boiler tube is equipped with explosion proof door.
Further, sealant is equipped between the front shroud and flame retardant coating.
Further, the first smoke evacuation temperature-measuring port and flue gas inspection mouth are installed in the first pipe.
Further, the second smoke evacuation temperature-measuring port is installed on the second pipe.
Further, the top of the air preheater is equipped with hot-air mouth, and its underpart is equipped with cold air outlet.
Further, the side of the energy-saving appliance from top to bottom successively be equipped with third smoke evacuation temperature-measuring port, water outlet and
Water inlet.
The utility model has the beneficial effects that：The utility model lies in that increasing chamber design, combustion zone central flame is reduced
Flame temperature is equipped with flue gas outer circulation (extract part of smoke out i.e. from tail flue gas and squeeze into burner hearth technology again), forms burner hearth
Interior low oxygen combustion, it is final so that the heat conducting oil boiler for having installed air preheater additional also can be real to further suppress the generation of NOx
The discharge of existing low nitrogen 100mg/m3.
Description of the drawings
The utility model is further illustrated with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the front view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the structural schematic diagram of the utility model boiler body.
1. shell in figure, 2. front shrouds, 3. back shrouds, 4. pedestals, 5. coil pipes, 6. coiled tube supports, 7. flame retardant coatings, 8. fire extinguishings
Mouthful, 9. manholes and visor, 10. sealants, 11. conduction oil outlets, 12. heat conductive oil inlets, 13. boiler tubes, 14. explosion proof doors, 15. pots
Furnace body, 16. air preheaters, 17. energy-saving appliances, 18. first pipes, 19. second pipes, 20. first smoke evacuation temperature-measuring ports, 21. flue gases
Detection mouth, 22. second smoke evacuation temperature-measuring ports, 23. hot-air mouths, 24. cold air outlets, 25. thirds smoke evacuation temperature-measuring port, 26. water outlets, 27.
Water inlet.
Specific implementation mode
The utility model is further described presently in connection with attached drawing.These attached drawings are simplified schematic diagram only to show
Meaning mode illustrates the basic structure of the utility model, therefore it only shows composition related with the utility model.
A kind of low nitrogen type heat conducting oil boiler with air preheat as shown in Figures 1 to 3 has boiler body 15, air preheater
16 and energy-saving appliance 17, boiler body 15 connect with air preheater 16 by first pipe 18, air preheater 16 passes through second pipe 19
It is connect with energy-saving appliance 17；
Boiler body 15 includes shell 1, the front shroud 2 mounted on 1 two ends of the shell and back shroud 3 and installation
Pedestal 4 in 1 bottom of shell is equipped with the coiled tube supports 6 of several fixed coil pipes 5, and the inner cavity of shell 1 on the inner wall of shell 1
Both ends are cast with flame retardant coating 7；
The two ends of shell 1 are separately installed with conduction oil outlet 11 and heat conductive oil inlet 12, conduction oil outlet 11 and heat conduction
Boiler tube 13 is installed between oil inlet 12.
Flame retardant coating 7 is made of high alumina cement material, casting material weight ratio：50# or more high alumina cements：Powder：Thin bone
Expect 5mm：5~15mm=3 of coarse aggregate:1:4:4, and add 9~11% weight ratio of clear water.
Fire access 8 is offered on front shroud 2, and manhole and visor 9 are offered on back shroud 3.
The side of boiler tube 13 is equipped with explosion proof door 14.
Sealant 10 is equipped between front shroud 2 and flame retardant coating 7.
First smoke evacuation temperature-measuring port 20 and flue gas inspection mouth 21 are installed in first pipe 18.
Second smoke evacuation temperature-measuring port 22 is installed on second pipe 19.
The top of air preheater 16 is equipped with hot-air mouth 23, and its underpart is equipped with cold air outlet 24.
The side of energy-saving appliance 17 is equipped with third smoke evacuation temperature-measuring port 25, water outlet 26 and water inlet 27 successively from top to bottom.
Burner combustion on specific boiler body 15, the high-temperature flue gas that dyestuff burning generates, passes through boiler body 15
In the coil pipe 5 that is equipped with, use parallel-connection structure, filtering body 15 to cast using good high alumina cement material between coil pipe, improve
The service life of boiler, 15 tail portion of boiler body offer inspection manhole and visor；And the flue gas in boiler body 15 is led to
It crosses first pipe 18 and second pipe 19 is transmitted to air preheater 16 and energy-saving appliance 17 carries out flue gas outer circulation, the heat for improving boiler is handed over
Transsexual energy, reduces energy expenditure, low oxygen combustion in burner hearth is formed, to further suppress the generation of NOx；
While large space chamber design of having optimized integration, effectively reduce the formation of nitrogen oxides so that the discharge of NOx can
To reach 100mg/m3 hereinafter, totally reducing 45%, this optimization reduces under the premise of not reducing the boiler entirety thermal efficiency
The chamber design size of the discharge of NOx, 6,000,000 kilocalorie heat conducting oil boiler scripts is φ 1650*6100, and the size of low nitrogen type expands
Greatly φ 1800*7650 diametrically increase 150mm, 550mm are increased in length, veritably expand the combustion of boiler internal
Burning region so that entire flame of centre regional temperature reduces, and the flue gas outer circulation on burner is combined to cause low oxygen combustion,
To effectively inhibit the formation of nitrogen oxides.
The above embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with this skill
The personage of art can understand the content of the utility model and be implemented, and the protection model of the utility model can not be limited with this
It encloses, it is all according to equivalent change or modification made by the spirit of the present invention essence, it should all cover the protection model in the utility model
In enclosing.
Claims (8)
1. a kind of low nitrogen type heat conducting oil boiler with air preheat has boiler body (15), air preheater (16) and energy-saving appliance
(17), it is characterised in that：The boiler body (15) is connect by first pipe (18) with air preheater (16), air preheater (16)
It is connect with energy-saving appliance (17) by second pipe (19)；
The boiler body (15) includes shell (1), the front shroud (2) and back shroud for being mounted on the shell (1) two ends
(3) and the pedestal (4) mounted on shell (1) bottom, the coil pipe of several fixed coil pipes (5) is installed on the inner wall of shell (1)
It supports (6), and the inner cavity both ends of shell (1) are cast with flame retardant coating (7)；
The two ends of the shell (1) are separately installed with conduction oil outlet (11) and heat conductive oil inlet (12), conduction oil outlet
(11) boiler tube (13) is installed between heat conductive oil inlet (12).
2. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：The front shroud
(2) fire access (8) is offered on, and manhole and visor (9) are offered on back shroud (3).
3. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：The boiler tube
(13) side is equipped with explosion proof door (14).
4. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：The front shroud
(2) sealant (10) is equipped between flame retardant coating (7).
5. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：First pipe
First smoke evacuation temperature-measuring port (20) and flue gas inspection mouth (21) are installed on road (18).
6. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：Second pipe
Second smoke evacuation temperature-measuring port (22) is installed on road (19).
7. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：The air preheater
(16) top is equipped with hot-air mouth (23), and its underpart is equipped with cold air outlet (24).
8. the low nitrogen type heat conducting oil boiler according to claim 1 with air preheat, it is characterised in that：The energy-saving appliance
(17) side is equipped with third smoke evacuation temperature-measuring port (25), water outlet (26) and water inlet (27) successively from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420016.3U CN207649109U (en) | 2017-10-30 | 2017-10-30 | Low nitrogen type heat conducting oil boiler with air preheat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420016.3U CN207649109U (en) | 2017-10-30 | 2017-10-30 | Low nitrogen type heat conducting oil boiler with air preheat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649109U true CN207649109U (en) | 2018-07-24 |
Family
ID=62884721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721420016.3U Active CN207649109U (en) | 2017-10-30 | 2017-10-30 | Low nitrogen type heat conducting oil boiler with air preheat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207649109U (en) |
-
2017
- 2017-10-30 CN CN201721420016.3U patent/CN207649109U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 213000 No.29 Changhong East Road, Henglin Town, Changzhou Economic Development Zone, Jiangsu Province Patentee after: Jiangsu aolinsibang Equipment Technology Co.,Ltd. Address before: 213101 Mengshu Industrial Park, Henglin Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: JIANGSU OLYMSPAN THERMAL ENERGY EQUIPMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |