CN108954367A - The air preheater of boiler - Google Patents
The air preheater of boiler Download PDFInfo
- Publication number
- CN108954367A CN108954367A CN201811051191.9A CN201811051191A CN108954367A CN 108954367 A CN108954367 A CN 108954367A CN 201811051191 A CN201811051191 A CN 201811051191A CN 108954367 A CN108954367 A CN 108954367A
- Authority
- CN
- China
- Prior art keywords
- shell
- ontology
- mentioned
- boiler
- air preheater
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Supply (AREA)
Abstract
The present invention provides a kind of air preheaters of boiler, belong to field of mechanical technique.It is poor that it solves the problems, such as the prior art there is stability.The air preheater of this boiler includes the internal shell one for cavity, shell two and and preheating part, the both ends in above-mentioned waste heat portion be connected to shell one on shell two and three is connected and passes through, there is the outlet one communicated with its inner cavity at the top of above-mentioned shell one, two side of shell has the import one communicated with its inner cavity, above-mentioned preheating part includes the internal ontology for cavity, if having dry heat pipe in the ontology, there is the import two communicated with its inner cavity and outlet two on above-mentioned ontology, above-mentioned import one and outlet one with boiler cycle flue for being connected, above-mentioned import two with blower for being connected, above-mentioned outlet two is used for and boiler back end ductwork.The air preheater stability of this boiler is high.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of air preheater of boiler.
Background technique
Boiler air preheating device is will to enter boiler by internal cooling fin using the flue gas in boiler back end ductwork
Heating surface of the preceding air preheat to certain temperature.For improving the heat exchange performance of boiler, energy consumption is reduced.
But existing air preheater is only connected with boiler back end ductwork.The flue gas of cycle flue directly arrange to
The external world causes the energy that cannot rationally utilize in this way.
Summary of the invention
It is high and compact-sized the purpose of the present invention is in view of the above-mentioned problems existing in the prior art, providing a kind of utilization rate
The air preheater of boiler.
Object of the invention can be realized by the following technical scheme:
A kind of air preheater of boiler, which is characterized in that including it is internal be the shell one of cavity, shell two and and pre-
Hot portion, the both ends in above-mentioned waste heat portion be connected to shell one on shell two and three is connected and passes through, above-mentioned one top of shell
With the outlet one communicated with its inner cavity, two side of shell has the import one communicated with its inner cavity, above-mentioned preheating part packet
The internal ontology for cavity is included, if having dry heat pipe in the ontology, there is the import two communicated with its inner cavity on above-mentioned ontology
With outlet two, for being connected with boiler cycle flue, above-mentioned import two is used to be connected with blower for above-mentioned import one and outlet one,
Above-mentioned outlet two is used for and boiler back end ductwork.
This preheating device is creative to be connected by import one, outlet one with boiler cycle flue.By import two, go out
Mouth two is connected with boiler back end ductwork to be passed through.
Therefore, the flue gas in boiler cycle flue and back-end ductwork can enter in the present apparatus, to make in preheating part
Heat pipe fully absorbs above-mentioned heat.Moreover, boiler smoke discharge can also be made to reach standard.
In the air preheater of above-mentioned boiler, the quantity of the ontology is two: ontology one and ontology two, above-mentioned
Ontology one is connected with ontology two by ring flange, and ontology one is connected with shell one by ring flange, ontology two and shell two
It is connected by ring flange.
In the air preheater of above-mentioned boiler, the shell one, ontology one, ontology two and shell two are from left to right
It is arranged.
In the air preheater of above-mentioned boiler, above-mentioned shell one, ontology one, the side of ontology two and shell two are equal
Flush.
Its structural compactness can be improved in this way.
There is heating fin in the air preheater of above-mentioned boiler, outside the heat pipe.
In the air preheater of above-mentioned boiler, the heating fin is twist coated on the outside of heat pipe.
In the air preheater of above-mentioned boiler, the axle center for heating fin in the form of sheets and heat fin and heat pipe
Line direction is obliquely installed, and several heating fins are parallel to each other.
The thermal efficiency of heat can be effectively improved by heating fin.
In the air preheater of above-mentioned boiler, the ontology one and ontology two are all had for being connected with hook
Hanging ring.
Whole device can easily be moved by hanging ring.
In the air preheater of above-mentioned boiler, the shell one, shell two and two lower part of ontology are with use
In the stabilizer blade with ground face contact.
Guarantee that device stabilization is placed on the ground by stabilizer blade.
In the air preheater of above-mentioned boiler, the import one is located at two side of shell, and the outlet one is located at
One top of shell.
Compared with prior art, the air preheater of this boiler is since boiler cycle flue and back-end ductwork can be to warm
Pipe is heated, and therefore, heat utilization ratio is relatively high.
Meanwhile shell one, shell two and preheating part are both connected to together, structure is also fairly simple compact, has very high
Practical value.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the air preheater of this boiler.
Fig. 2 is the overlooking structure diagram of the air preheater of this boiler.
Fig. 3 is the structural schematic diagram in the air preheater of this boiler at heat pipe.
In figure, 1, shell one；1a, outlet one；2, shell two；2a, import one；3, ontology one；3a, import two；4, ontology
Two；4a, outlet two；5, heat pipe；6, fin is heated；7, hanging ring；8, stabilizer blade.
Specific embodiment
As shown in Figure 1 and Figure 2 and Figure 3, the air preheater of this boiler includes internal shell 1, shell for cavity
22 and and preheating part, the both ends in above-mentioned waste heat portion be connected to shell 1 on shell 22 and three is connected and passes through, it is above-mentioned
One 1 top of shell has one 1a of outlet communicated with its inner cavity, and 22 side of shell has the import one communicated with its inner cavity
2a, above-mentioned preheating part, which includes internal, is the ontology of cavity, if having dry heat pipe 5 in the ontology, have on above-mentioned ontology and its
Two 3a of import and outlet two 4a, above-mentioned one 2a of import and one 1a of outlet that inner cavity communicates are used to be connected with boiler cycle flue,
Above-mentioned two 3a of import with blower for being connected, and above-mentioned two 4a of outlet is used for and boiler back end ductwork.
The quantity of the ontology is two: ontology 1 and ontology 24, above-mentioned ontology 1 and ontology 24 pass through ring flange
It is connected, ontology 1 is connected with shell 1 by ring flange, and ontology 24 is connected with shell 22 by ring flange.
The shell 1, ontology 1, ontology 24 and shell 22 are arranged from left to right.
Above-mentioned shell 1, ontology 1, ontology 24 and shell 22 the equal flush in side.
There is heating fin 6 outside the heat pipe 5.
The heating fin 6 is twist coated on the outside of heat pipe.According to the actual situation, the heating fin in the form of sheets and
The direction of axis line of heating fin and heat pipe is obliquely installed, and it is also feasible that several heating fins, which are parallel to each other,.
The ontology 1 and ontology 24 all have the hanging ring 7 for being connected with hook.
The shell 1, shell 22 and 24 lower part of ontology are with for the stabilizer blade 8 with ground face contact.
One 2a of import is located at 22 side of shell, and one 1a of the outlet is located at one 1 top of shell.
This preheating device is creative to be connected by import one, outlet one with boiler cycle flue.By import two, go out
Mouth two is connected with boiler back end ductwork to be passed through.
Therefore, the flue gas in boiler cycle flue and back-end ductwork can enter in the present apparatus, to make in preheating part
Heat pipe fully absorbs above-mentioned heat.Moreover, boiler smoke discharge can also be made to reach standard.
Claims (10)
1. a kind of air preheater of boiler, which is characterized in that including internal for the shell one of cavity, shell two and and preheating
Portion, the both ends in above-mentioned waste heat portion are connected to shell one on shell two and three is connected and passes through, have at the top of above-mentioned shell one
There is the outlet one communicated with its inner cavity, two side of shell has the import one communicated with its inner cavity, and above-mentioned preheating part includes
Inside is the ontology of cavity, have if having dry heat pipe in the ontology, on above-mentioned ontology the import two communicated with its inner cavity and
For being connected with boiler cycle flue, above-mentioned import two is used to be connected with blower for outlet two, above-mentioned import one and outlet one, on
Outlet two is stated to be used for and boiler back end ductwork.
2. the air preheater of boiler according to claim 1, which is characterized in that the quantity of the ontology is two:
Ontology one and ontology two, above-mentioned ontology one are connected with ontology two by ring flange, and ontology one passes through ring flange phase with shell one
Connection, ontology two are connected with shell two by ring flange.
3. the air preheater of boiler according to claim 2, which is characterized in that the shell one, ontology one, ontology
Two and shell two be arranged from left to right.
4. the air preheater of boiler according to claim 3, which is characterized in that above-mentioned shell one, ontology one, ontology
Two and shell two the equal flush in side.
5. the air preheater of boiler according to claim 4, which is characterized in that have heating wing outside the heat pipe
Piece.
6. the air preheater of boiler according to claim 5, which is characterized in that the heating fin twist wraps
It overlays on the outside of heat pipe.
7. the air preheater of boiler according to claim 5, which is characterized in that the heating fin in the form of sheets and add
The direction of axis line of hot fin and heat pipe is obliquely installed, and several heating fins are parallel to each other.
8. the air preheater of boiler according to claim 5, which is characterized in that the ontology one and ontology two have
There is the hanging ring for being connected with hook.
9. the air preheater of boiler according to claim 5, which is characterized in that the shell one, shell two and sheet
Two lower part of body is with for the stabilizer blade with ground face contact.
10. the air preheater of boiler according to claim 5, which is characterized in that the import one is located at shell two
Side, the outlet one are located at one top of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051191.9A CN108954367A (en) | 2018-09-10 | 2018-09-10 | The air preheater of boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811051191.9A CN108954367A (en) | 2018-09-10 | 2018-09-10 | The air preheater of boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108954367A true CN108954367A (en) | 2018-12-07 |
Family
ID=64476352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811051191.9A Pending CN108954367A (en) | 2018-09-10 | 2018-09-10 | The air preheater of boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108954367A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203595119U (en) * | 2013-11-22 | 2014-05-14 | 张建存 | Device capable of reducing nitric oxides in flue gas product of circulating fluidized bed boiler |
| CN204042867U (en) * | 2014-09-04 | 2014-12-24 | 山东瑞博节能环保有限公司 | A kind of low-NO_x burner system |
| CN205579616U (en) * | 2016-04-12 | 2016-09-14 | 北京森能科技有限公司 | Gas boiler hangs down nitrogen air preheater |
| CN206449681U (en) * | 2016-11-29 | 2017-08-29 | 广东电网有限责任公司电力科学研究院 | A kind of air classification/part oxygen-enriched combusting station boiler NOxControl system |
| CN207262470U (en) * | 2017-09-11 | 2018-04-20 | 大唐东北电力试验研究所有限公司 | Rotary regenerative air preheater |
| CN208967832U (en) * | 2018-09-10 | 2019-06-11 | 浙江特富锅炉有限公司 | The air preheater of boiler |
-
2018
- 2018-09-10 CN CN201811051191.9A patent/CN108954367A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203595119U (en) * | 2013-11-22 | 2014-05-14 | 张建存 | Device capable of reducing nitric oxides in flue gas product of circulating fluidized bed boiler |
| CN204042867U (en) * | 2014-09-04 | 2014-12-24 | 山东瑞博节能环保有限公司 | A kind of low-NO_x burner system |
| CN205579616U (en) * | 2016-04-12 | 2016-09-14 | 北京森能科技有限公司 | Gas boiler hangs down nitrogen air preheater |
| CN206449681U (en) * | 2016-11-29 | 2017-08-29 | 广东电网有限责任公司电力科学研究院 | A kind of air classification/part oxygen-enriched combusting station boiler NOxControl system |
| CN207262470U (en) * | 2017-09-11 | 2018-04-20 | 大唐东北电力试验研究所有限公司 | Rotary regenerative air preheater |
| CN208967832U (en) * | 2018-09-10 | 2019-06-11 | 浙江特富锅炉有限公司 | The air preheater of boiler |
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