CN205208612U - Hot tubular air heater - Google Patents
Hot tubular air heater Download PDFInfo
- Publication number
- CN205208612U CN205208612U CN201520920087.4U CN201520920087U CN205208612U CN 205208612 U CN205208612 U CN 205208612U CN 201520920087 U CN201520920087 U CN 201520920087U CN 205208612 U CN205208612 U CN 205208612U
- Authority
- CN
- China
- Prior art keywords
- heat pipe
- heat
- flue gas
- storehouse
- baffle
- 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
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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
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- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a hot tubular air heater belongs to indirect heating equipment technical field. The utility model provides a: a hot tubular air heater, includes the box, be provided with the baffle in the box, two communicating heat dissipation storehouses and endothermic storehouse about the baffle is separated the box become, the both sides in heat absorption storehouse are provided with high temperature flue gas inlet and low temperature exhanst gas outlet, the both sides in heat dissipation storehouse are provided with normal atmospheric temperature air intlet and hot air exitus, be provided with a plurality of fixed orificess on the baffle, can dismantle in the fixed orifices is provided with the heat pipe, heat pipe perpendicular to baffle is placed, high temperature flue gas inlet department is provided with the gas baffle subassembly, at least, be provided with a soot door that is used for the dusting on the heat absorption storehouse. The utility model provides a hot tubular air heater makes things convenient for deashing, difficult stifled ash and heat exchange efficiency is high.
Description
Technical field
The utility model relates to technical field of heat exchange equipment, particularly a kind of heat pipe preheater.
Background technology
The exhaust gas temperature of mediumand smallscale industrial boilers is generally between 220 DEG C ~ 280 DEG C, and it accounts for about 10% of heat loss total amount, and air preheater just can be recycled fume afterheat.Air preheater utilizes boiler smoke to carry out preheating to reach a kind of device of energy-conservation object to the air entering boiler.Current most of boiler adopts tubular air preheater or rotary regenerative air preheater usually, wherein there is the defect such as sealing difference, air-introduced machine energy consumption height in rotary regenerative air preheater, replaced by heat pipe preheater gradually, tubular air preheater has the advantage that structure is simple, cost is low, but there is the shortcoming that volume is large, gas-flow resistance greatly, easily causes stifled ash and the life-span is short.The heat pipe preheater of present appearance, its heat transfer efficiency is compared conventional tubular air preheater and is greatly improved, but still exists because stifled grey serious problem.
Utility model content
For the deficiency that prior art exists, main purpose of the present utility model is to provide a kind of and facilitates deashing, not easily stifled ash, heat pipe preheater that heat transfer efficiency is high.
For achieving the above object, the utility model provides following technical scheme: a kind of heat pipe preheater, comprise casing, dividing plate is provided with in described casing, casing is separated into upper and lower two heat-dissipating storehouses communicated and heat absorption storehouse by described dividing plate, the both sides in described heat absorption storehouse are provided with high-temperature flue gas import and low-temperature flue gas outlet, the both sides of described heat-dissipating storehouse are provided with normal temperature air import and hot-blast outlet, described dividing plate is provided with multiple fixing hole, detachably heat pipe is provided with in described fixing hole, described heat pipe is arranged perpendicular to dividing plate, described high-temperature flue gas import department is provided with gas baffle assembly, described heat absorption storehouse is at least provided with a shoot door for ash disposal.
Preferably, described gas baffle assembly comprises bracing frame and is welded on the baffle plate on bracing frame, and support frame as described above is fixedly connected on high-temperature flue gas import department.
Preferably, described heat pipe is provided with flange, the fixing hole on described flange and dividing plate is bolted.
Preferably, described heat pipe is provided with linkage section, described linkage section is provided with external screw thread, described fixing hole is provided with internal thread, described heat pipe is threaded with fixing hole.
Preferably, described heat pipe is provided with helical fin.
The utility model has the following advantages relative to prior art tool, and casing is divided into heat absorption storehouse and heat-dissipating storehouse and heat pipe vertically to place, and such flue gas and air just oppositely bottom horizontal flow sheet can form gas/gas heat exchange, to greatest extent raising flue gas heat exchange efficiency.Be design for disassembly between heat pipe and dividing plate, because every root heat pipe is all the original paper that independently conducts heat, more convenient when needing to change or keep in repair heat pipe, the design of shoot door is convenient removes the dust of case cylinder accumulation, prevents blocking in casing.Boiler smoke, first through gas baffle assembly, can ensure flue gas evenly reasonably by equipment, makes heat transfer effect reach best.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of heat pipe preheater of the present utility model;
Fig. 2 is the structural representation of gas baffle assembly of the present utility model;
Fig. 3 is the syndeton schematic diagram of heat pipe of the present utility model and dividing plate.
In figure: 1, casing; 2, dividing plate; 3, heat absorption storehouse; 4, heat-dissipating storehouse; 5, high-temperature flue gas import; 6, low-temperature flue gas outlet; 7, normal temperature air import; 8, hot-blast outlet; 9, heat pipe; 10, gas baffle assembly; 11, bracing frame; 12, baffle plate; 13, flange; 14, helical fin; 15, shoot door.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, a kind of heat pipe preheater, comprise casing 1, dividing plate 2 is provided with in casing 1, casing 1 is separated into upper and lower two heat-dissipating storehouses communicated 4 and heat absorption storehouse 3 by dividing plate 2, the both sides in heat absorption storehouse 3 are provided with high-temperature flue gas import 5 and low-temperature flue gas outlet 6, the both sides of heat-dissipating storehouse 4 are provided with normal temperature air import 7 and hot-blast outlet 8, dividing plate 2 is provided with multiple fixing hole, heat pipe 9 is detachably provided with in fixing hole, high-temperature flue gas import 5 place is provided with gas baffle assembly 10, and storehouse 3 is at least provided with a shoot door 15 for ash disposal in heat absorption.Heat absorption storehouse 3 is communicated with by heat pipe 9 with heat-dissipating storehouse 4, and casing 1 is divided into heat absorption storehouse 3 and heat-dissipating storehouse 4 and heat pipe 9 vertically to place, and such flue gas and air just oppositely bottom horizontal flow sheet can form gas/gas heat exchange, to greatest extent raising flue gas heat exchange efficiency.It is design for disassembly between heat pipe 9 and dividing plate 2, because every root heat pipe 9 is all the original paper that independently conducts heat, more convenient when needing to change or keep in repair heat pipe 9, the convenient dust to accumulation in casing 1 of design of shoot door 15 is removed, and prevents dust blocking in casing 1.
The operation principle of heat pipe 9 regenerative air heater of the present utility model is: the high-temperature flue gas import 5 in heat absorption storehouse 3 is connected with the exhaust opening of boiler, boiler smoke is first through gas baffle assembly 10, can ensure that flue gas evenly reasonably passes through equipment, heat transfer effect is made to reach best, high-temperature flue gas temperature after superheater tube 9 absorbs heat reduces discharges from low-temperature flue gas outlet 6, the low-temperature flue gas of discharging enters smoke stack emission, the air blast being arranged on casing 1 side is connected with normal temperature air import 7, air blast carries normal temperature air endlessly in heat-dissipating storehouse 4, the normal temperature air entered in heat-dissipating storehouse 4 contacts rear heat absorption and becomes hot blast and discharge from hot-blast outlet 8 with heat pipe 9, hot-blast outlet 8 is communicated with the burner hearth of boiler, hot blast enters burner hearth can heat combustion air, reduce fuel consumption, improve combustion conditions, thus reach energy-conservation object.
With reference to Fig. 2, wherein gas baffle assembly 10 comprises bracing frame 11 and the baffle plate 12 be welded on bracing frame 11, and bracing frame 11 is fixedly connected on high-temperature flue gas import 5 place.Baffle plate 12 is inclined on bracing frame 11, and baffle plate 12 can enter high-temperature flue gas import 5 to flue gas and regulate, make high-temperature flue gas can evenly contact with heat pipe 9, improve heat transfer efficiency.
Design for disassembly between heat pipe 9 and dividing plate 2 can be realized by following structure, with reference to Fig. 3, heat pipe 9 is provided with flange 13, flange 13 is bolted with the fixing hole on dividing plate 2, when heat pipe 9 damages needs replacing or maintenance, the heat pipe 9 of damage can be dismantled by operating personnel fast, when needing to install also quickly.One as above-mentioned design for disassembly is out of shape, linkage section can also be set on heat pipe 9, linkage section is provided with external screw thread, fixing hole is provided with internal thread, heat pipe 9 is threaded with fixing hole, helicitic texture has self-locking action and good sealing, also can meet the requirement of heat pipe 9 fast assembling-disassembling.
In addition, heat pipe 9 is provided with helical fin 14, helical fin 14 can increase the contact area of flue gas or air and heat pipe 9, can improve heat exchange efficiency greatly.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. a heat pipe preheater, comprise casing, dividing plate is provided with in described casing, casing is separated into upper and lower two heat-dissipating storehouses communicated and heat absorption storehouse by described dividing plate, the both sides in described heat absorption storehouse are provided with high-temperature flue gas import and low-temperature flue gas outlet, the both sides of described heat-dissipating storehouse are provided with normal temperature air import and hot-blast outlet, it is characterized in that: described dividing plate is provided with multiple fixing hole, detachably heat pipe is provided with in described fixing hole, described heat pipe is arranged perpendicular to dividing plate, described high-temperature flue gas import department is provided with gas baffle assembly, described heat absorption storehouse is at least provided with a shoot door for ash disposal.
2. a kind of heat pipe preheater according to claim 1, is characterized in that: described gas baffle assembly comprises bracing frame and is welded on the baffle plate on bracing frame, and support frame as described above is fixedly connected on high-temperature flue gas import department.
3. a kind of heat pipe preheater according to claim 1, is characterized in that: described heat pipe is provided with flange, and the fixing hole on described flange and dividing plate is bolted.
4. a kind of heat pipe preheater according to claim 1, is characterized in that: described heat pipe is provided with linkage section, described linkage section is provided with external screw thread, described fixing hole is provided with internal thread, and described heat pipe is threaded with fixing hole.
5. a kind of heat pipe preheater according to claim 1, is characterized in that: described heat pipe is provided with helical fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920087.4U CN205208612U (en) | 2015-11-17 | 2015-11-17 | Hot tubular air heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520920087.4U CN205208612U (en) | 2015-11-17 | 2015-11-17 | Hot tubular air heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205208612U true CN205208612U (en) | 2016-05-04 |
Family
ID=55846329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520920087.4U Expired - Fee Related CN205208612U (en) | 2015-11-17 | 2015-11-17 | Hot tubular air heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205208612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327869A (en) * | 2017-07-04 | 2017-11-07 | 江苏东方成套设备制造集团有限公司 | A kind of heat pipe preheater |
-
2015
- 2015-11-17 CN CN201520920087.4U patent/CN205208612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107327869A (en) * | 2017-07-04 | 2017-11-07 | 江苏东方成套设备制造集团有限公司 | A kind of heat pipe preheater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161117 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Ju Shulong Document name: Notification of Termination of Patent Right |