CN102313292B - Air outlet structure of tubular air preheater - Google Patents
Air outlet structure of tubular air preheater Download PDFInfo
- Publication number
- CN102313292B CN102313292B CN2011100605890A CN201110060589A CN102313292B CN 102313292 B CN102313292 B CN 102313292B CN 2011100605890 A CN2011100605890 A CN 2011100605890A CN 201110060589 A CN201110060589 A CN 201110060589A CN 102313292 B CN102313292 B CN 102313292B
- Authority
- CN
- China
- Prior art keywords
- bobbin carriage
- air preheater
- group
- bobbin
- channel
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Air Supply (AREA)
Abstract
The invention provides an air outlet structure of a tubular air preheater, which can be used for reasonably distributing temperatures of primary air and secondary air to ensure that the primary air has high drying efficiency to pulverized coal so that heat efficiency of combustion is increased. The air outlet structure comprises an upper channel group of an upper-stage air preheater channel, a lower channel group of the upper-stage air preheater channel, an upper channel group of a low-stage air preheater channel and a lower channel group of the low-stage air preheater channel. The air outlet structure is characterized in that a cold air inlet is communicated with the lower channel group of the low-stage air preheater channel, the upper channel group of the low-stage air preheater channel comprises three horizontal independent channels, the lower channel group of the low-stage air preheater channel is respectively corresponding connected with the three independent channels of the upper channel group of the low-stage air preheater channel at the upper part of the air outlet structure through a lower communicating box, the lower channel group of the upper-stage air preheater channel comprises three horizontal independent channels, the three independent channels of the upper channel group of the low-stage air preheater channel are respectively correspondingly connected with the three independent channels of the lower channel group of the upper-stage air preheater channel at the upper part of the air outlet structure through an upper communicating box.
Description
Technical field
The present invention relates to the technical field of structures of tubular air preheater, be specially the air outlet structure of tubular air preheater.
Background technology
Tubular air preheater is to utilize flue gas heat to come burn a kind of gas-gas-heat exchanger of needed air of heating boiler, is important in the station boiler, indispensable parts.The main effect of air preheater is a heating flame air reduction exhaust gas temperature also, improves boiler efficiency.Wherein an important function is that flue gas arrives uniform temperature with air heat, can make the dry and volatile matter effusion quickening of fuel.
When boiler uses the higher coal of moisture, the desiccant temperature that coal dust needs is higher, need to obtain about about 380 a ℃ hot blast, just can reach the requirement that the pulverized coal preparation system drying is exerted oneself, and the secondary hot-air that air preheater comes out only needs about about 320 ℃ to go to participate in burning, and the air outlet of existing tubular air preheater leads to a wind of boiler by different pipelines, secondary wind position, make wind one time, the temperature of secondary wind position is identical, though the temperature of secondary wind can be guaranteed, but the temperature of a wind is on the low side, feasible drying efficiency to coal dust reduces, and then the thermal efficiency of burning descends.
Summary of the invention
At the problems referred to above, the invention provides the air outlet structure of tubular air preheater, its can reasonable distribution the temperature of a wind, secondary wind, make wind to the drying efficiency height of coal dust, and then improve the thermal efficiency of burning.
The air outlet structure of tubular air preheater, its technical scheme is such: it comprises on higher level's air preheater bobbin carriage organizes bobbin carriage, higher level's air preheater bobbin carriage is the group bobbin carriage down, organize bobbin carriage on subordinate's air preheater bobbin carriage, subordinate's air preheater bobbin carriage is the group bobbin carriage down, it is characterized in that: inlet of cold air is communicated with group bobbin carriage under the described subordinate air preheater bobbin carriage, the group bobbin carriage is divided into three independent bobbin carriages of level on the described subordinate air preheater bobbin carriage, described subordinate air preheater bobbin carriage down group bobbin carriage is communicated with three independent bobbin carriages of group bobbin carriage on the corresponding described subordinate air preheater bobbin carriage that connects its top of case respectively by the bottom, described higher level's air preheater bobbin carriage is organized three independent bobbin carriages that bobbin carriage is divided into level down, three independent bobbin carriages of group bobbin carriage are communicated with three independent bobbin carriages that case connects the following group of the described higher level's air preheater bobbin carriage bobbin carriage of its top correspondence by top respectively on the described subordinate air preheater bobbin carriage, described higher level's air preheater bobbin carriage corresponding secondary wind that is communicated with of both sides bobbin carriage of three independent bobbin carriages of group bobbin carriage down exports, middle bobbin carriage connects on described higher level's air preheater bobbin carriage by pipeline organizes bobbin carriage, and the group bobbin carriage connects a wind outlet on described higher level's air preheater bobbin carriage.
After adopting structure of the present invention, secondary wind is from the group bobbin carriage outflow down of higher level's air preheater bobbin carriage, promptly reach about 320 ℃, a wind is organized bobbin carriage and is fully heated on higher level's air preheater bobbin carriage, the heat that is group bobbin carriage on higher level's air preheater bobbin carriage is all absorbed by the middle bobbin carriage of group bobbin carriage under higher level's air preheater bobbin carriage, guarantee that a wind-warm syndrome degree reaches about 380 ℃, the temperature of wind of its energy reasonable distribution, secondary wind, make wind to the drying efficiency height of coal dust, and then improve the thermal efficiency of burning.
Description of drawings
Fig. 1 is a front view structural representation of the present invention;
Fig. 2 is the right view structural representation of Fig. 1.
The specific embodiment
See Fig. 1, Fig. 2, it comprises group bobbin carriage 1 on higher level's air preheater bobbin carriage, higher level's air preheater bobbin carriage is group bobbin carriage 2 down, group bobbin carriage 3 on subordinate's air preheater bobbin carriage, subordinate's air preheater bobbin carriage is group bobbin carriage 4 down, inlet of cold air is communicated with subordinate's air preheater bobbin carriage group bobbin carriage 4 down, group bobbin carriage 3 is divided into three independent bobbin carriages of level on subordinate's air preheater bobbin carriage, subordinate's air preheater bobbin carriage down group bobbin carriage 4 is communicated with three independent bobbin carriages of group bobbin carriage 3 on the corresponding subordinate's air preheater bobbin carriage that connects its tops of case 5 respectively by the bottom, higher level's air preheater bobbin carriage is organized three independent bobbin carriages that bobbin carriage 2 is divided into level down, three independent bobbin carriages of group bobbin carriage 3 are organized three independent bobbin carriages of bobbin carriage 2 respectively down on subordinate's air preheater bobbin carriage by higher level's air preheater bobbin carriage of top connection case 6 its top correspondences of connection, higher level's air preheater bobbin carriage is the both sides bobbin carriage 7 of three independent bobbin carriages of group bobbin carriage 2 down, the 8 corresponding secondary wind that are communicated with export, middle bobbin carriage 9 connects group bobbin carriage 1 on higher level's air preheater bobbin carriage by pipeline 10, and group bobbin carriage 1 connects a wind outlet on higher level's air preheater bobbin carriage.
Claims (1)
1. the air outlet structure of tubular air preheater, it comprises on higher level's air preheater bobbin carriage organizes bobbin carriage, higher level's air preheater bobbin carriage is the group bobbin carriage down, organize bobbin carriage on subordinate's air preheater bobbin carriage, subordinate's air preheater bobbin carriage is the group bobbin carriage down, it is characterized in that: inlet of cold air is communicated with group bobbin carriage under the described subordinate air preheater bobbin carriage, the group bobbin carriage is divided into three independent bobbin carriages of level on the described subordinate air preheater bobbin carriage, described subordinate air preheater bobbin carriage down group bobbin carriage is communicated with three independent bobbin carriages of group bobbin carriage on the corresponding described subordinate air preheater bobbin carriage that connects its top of case respectively by the bottom, described higher level's air preheater bobbin carriage is organized three independent bobbin carriages that bobbin carriage is divided into level down, three independent bobbin carriages of group bobbin carriage are communicated with three independent bobbin carriages that case connects the following group of the described higher level's air preheater bobbin carriage bobbin carriage of its top correspondence by top respectively on the described subordinate air preheater bobbin carriage, described higher level's air preheater bobbin carriage corresponding secondary wind that is communicated with of both sides bobbin carriage of three independent bobbin carriages of group bobbin carriage down exports, middle bobbin carriage connects on described higher level's air preheater bobbin carriage by pipeline organizes bobbin carriage, and the group bobbin carriage connects a wind outlet on described higher level's air preheater bobbin carriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100605890A CN102313292B (en) | 2011-03-14 | 2011-03-14 | Air outlet structure of tubular air preheater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100605890A CN102313292B (en) | 2011-03-14 | 2011-03-14 | Air outlet structure of tubular air preheater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102313292A CN102313292A (en) | 2012-01-11 |
| CN102313292B true CN102313292B (en) | 2013-07-31 |
Family
ID=45426692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100605890A Expired - Fee Related CN102313292B (en) | 2011-03-14 | 2011-03-14 | Air outlet structure of tubular air preheater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102313292B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113209907A (en) * | 2021-06-04 | 2021-08-06 | 江西斯米克陶瓷有限公司 | Control method for ceramic spray drying tower |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972138Y (en) * | 2006-09-28 | 2007-11-07 | 无锡华光锅炉股份有限公司 | Two-way adjustable parallel box separation type air preheater |
| CN201133777Y (en) * | 2007-09-29 | 2008-10-15 | 大连熵立得传热技术有限公司 | Air pre-heating device for high-temperature flue gas |
| CN201973736U (en) * | 2011-03-14 | 2011-09-14 | 无锡华光锅炉股份有限公司 | Air outlet structure of tubular air heaters |
-
2011
- 2011-03-14 CN CN2011100605890A patent/CN102313292B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200972138Y (en) * | 2006-09-28 | 2007-11-07 | 无锡华光锅炉股份有限公司 | Two-way adjustable parallel box separation type air preheater |
| CN201133777Y (en) * | 2007-09-29 | 2008-10-15 | 大连熵立得传热技术有限公司 | Air pre-heating device for high-temperature flue gas |
| CN201973736U (en) * | 2011-03-14 | 2011-09-14 | 无锡华光锅炉股份有限公司 | Air outlet structure of tubular air heaters |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102313292A (en) | 2012-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836788A (en) | Surrounding blowing-in integrated gas hot blast stove | |
| CN105042557A (en) | Multi-return-stroke gas-steam boiler | |
| CN103277886A (en) | Directly-heated type high-efficiency fuel hot air furnace | |
| CN102313292B (en) | Air outlet structure of tubular air preheater | |
| CN201973736U (en) | Air outlet structure of tubular air heaters | |
| CN102692073A (en) | Smokeless hot-water boiler | |
| CN202074555U (en) | Air pre-heater arrangement structure of furnace | |
| CN203837244U (en) | Liquid fuel water heater | |
| CN203731675U (en) | Annular blowing integrated flue gas hot blast stove | |
| CN103697584A (en) | Full-automatic direct gas-fired hot blast heating furnace | |
| CN102889585A (en) | Environment-friendly energy-saving vertical boiling boiler | |
| CN201463488U (en) | Coal-to-gas direct-fired dry gypsum board device | |
| CN203704329U (en) | Energy-saving and environment-friendly household heating boiler | |
| CN102221218A (en) | Air preheater arrangement structure of boiler | |
| CN202791995U (en) | Heat accumulating type oxygen enrichment burning device | |
| CN206771421U (en) | A kind of tubular preheater channel structure | |
| CN205747455U (en) | A kind of Multi-layer warming oil burning boiler | |
| CN203595130U (en) | Regenerative burner for heating furnace | |
| CN103388814A (en) | Vertical coal-fired steam boiler | |
| CN203478212U (en) | Energy-saving combined combustion boiler | |
| CN203595425U (en) | Combustion supporting air preheating device of single rod furnace | |
| CN203375424U (en) | Vertical type coal-fired steam boiler | |
| CN203518226U (en) | Efficient energy-saving hot blast stove | |
| CN211854160U (en) | Gas and wind power mixing converter | |
| CN202267071U (en) | Novel high-temperature furnace smoke pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20190314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |