CN208620612U - A kind of air preheat bearing hot water boiler - Google Patents
A kind of air preheat bearing hot water boiler Download PDFInfo
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- CN208620612U CN208620612U CN201821232897.0U CN201821232897U CN208620612U CN 208620612 U CN208620612 U CN 208620612U CN 201821232897 U CN201821232897 U CN 201821232897U CN 208620612 U CN208620612 U CN 208620612U
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- air
- flue
- stainless steel
- steel plate
- heat exchanger
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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
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Abstract
The utility model relates to boiler plant technical fields, and in particular to a kind of air preheat bearing hot water boiler comprising a bearing boiler ontology and air preheater are provided with air inlet, burner, flue and flue in the bearing boiler ontology；The inlet of flue is arranged in the air inlet and burner, and the flue is connected to flue；The air preheater includes hollow heat exchanger cylinder, and multiple axial stainless steel plate pipes are uniformly distributed in the heat exchanger cylinder, and the stainless steel plate pipe head and the tail are in turn connected to form stainless steel plate pipe group.The utility model has the beneficial effects that: the plate-shaped tubes equipped with spiral setting in the air preheater of the utility model, heat exchange area is big, and heat exchange efficiency is high, air is heated with air preheater, hot-air is inputted to the air inlet of flue, flue temperature can be improved, improves burning condition.On the one hand boiler thermal efficiency is improved, exhaust gas temperature is on the other hand reduced, makes boiler environmental protection and energy saving.
Description
Technical field
The utility model relates to boiler plant technical fields, and in particular to a kind of air preheat bearing hot water boiler.
Background technique
There is following deficiency in existing boiler air preheater, boiler air preheater is existed by air in use
Flowing in heat exchanger tube and flue gas flow outside heat exchanger tube and carries out heat exchange, heat exchanger tube is smooth straight tube, and air is in heat exchanger tube
Flowing be laminar flow, intraductal heat exchange coefficient is lower, and the heat transfer effect of heat exchanger is bad, and the totality of boiler air preheater is caused to change
Thermal effect is bad.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of air preheat pressure-bearing hot kettles that heat exchange efficiency is high
Furnace.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of air preheat pressure-bearing is provided
Hot-water boiler, including a bearing boiler ontology and air preheater are provided with air inlet, burning in the bearing boiler ontology
Device, flue and flue；The inlet of flue is arranged in the air inlet and burner, and the flue is connected to flue；
The air preheater includes hollow heat exchanger cylinder, the both ends of the heat exchanger cylinder be respectively equipped with gas inlet and
Exhanst gas outlet, the gas inlet are connected to flue, and the lower end of the heat exchanger cylinder is equipped with air intlet, in the heat exchanger cylinder
End is equipped with air outlet slit；Multiple axial stainless steel plate pipes, the stainless steel plate pipe head and the tail are uniformly distributed in the heat exchanger cylinder
It is in turn connected to form stainless steel plate pipe group, the stainless steel plate pipe is hollow plate-shaped tubes, and the stainless steel plate pipe is around its axis
The setting of line spiral, the both ends of the stainless steel plate pipe group be connected tos with air intlet and air outlet slit respectively, the air outlet slit and
Air inlet duct connection.
The utility model has the beneficial effects that: being connected on the flue of the air preheat bearing hot water boiler of the utility model
There is air preheater, the plate-shaped tubes equipped with spiral setting in air preheater, heat exchange area is big, and heat exchange efficiency is high, pre- with air
Hot device heats air, inputs hot-air to the air inlet of flue, flue temperature can be improved, improve burning condition, make fuel not
Completely burned loss decline.On the one hand boiler thermal efficiency is improved.On the other hand exhaust gas temperature is reduced, boiler environmental protection section is made
Energy.
Detailed description of the invention
Fig. 1 is the signal of the air preheater of the air preheat bearing hot water boiler of specific embodiment of the present invention
Figure；
Label declaration:
1, heat exchanger cylinder；2, gas inlet；3, exhanst gas outlet；4, air intlet；5, air outlet slit；6, stainless steel plate pipe.
Specific embodiment
For technology contents, the objects and the effects that the utility model is described in detail, below in conjunction with embodiment and match
Attached drawing is closed to be explained.
The design of the utility model most critical is: the air preheat of the air preheat bearing hot water boiler of the utility model
Plate-shaped tubes equipped with spiral setting in device, heat exchange area is big, and heat exchange efficiency is high, air is heated with air preheater, to flue
Air inlet inputs hot-air, and flue temperature can be improved, and improves burning condition.
Fig. 1, a kind of air preheat bearing hot water boiler, including a bearing boiler ontology and air preheater are please referred to,
Air inlet, burner, flue and flue are provided in the bearing boiler ontology；The air inlet and burner are arranged in flue
Inlet, the flue is connected to flue；
The air preheater includes hollow heat exchanger cylinder 1, and the both ends of the heat exchanger cylinder 1 are respectively equipped with gas inlet
2 and exhanst gas outlet 3, the gas inlet 2 be connected to flue, the lower end of the heat exchanger cylinder 1 is equipped with air intlet 4, described to change
Hot 1 upper end of cylinder is equipped with air outlet slit 5；Be uniformly distributed multiple axial stainless steel plate pipes 6 in the heat exchanger cylinder 1, it is described not
Rust 6 head and the tail of steel plate pipe are in turn connected to form 6 groups of stainless steel plate pipe, and the stainless steel plate pipe 6 is hollow plate-shaped tubes, described stainless
Steel plate pipe 6 is arranged around its central axes spiral, and the both ends of 6 groups of the stainless steel plate pipe connect with air intlet 4 and air outlet slit 5 respectively
Logical, the air outlet slit 5 is connected to air inlet duct.
Above-mentioned air preheat bearing hot water boiler smoke trend: --- --- flue --- flue --- is empty for burner for fuel
The gas inlet 2 of air preheater --- flue gas heats 6 groups of stainless steel plate pipe in heat exchanger cylinder 1, and (stainless steel plate pipe 6 is added
Heat) --- the exhanst gas outlet 3 of air preheater.
Above-mentioned air preheater preheated air process: air enters stainless steel plate pipe 6 by the air intlet 4 of air preheater
Inside enters the air inlet of flue after being heated in stainless steel plate pipe 6, improve flue temperature, improves burning condition.
Further, in above-mentioned air preheat bearing hot water boiler, in the heat exchanger cylinder 1 outside stainless steel plate pipe 6
Cavity is divided into several end to end multiple cavities by partition.By upper description it is found that setting partition can extend flue gas and exchange heat
Heat exchange length in cylinder 1 improves heat exchange efficiency, and further decreases flue-gas temperature.
Further, in above-mentioned air preheat bearing hot water boiler, acoustic wave soot blower is equipped in the heat exchanger cylinder 1.
By upper description it is found that acoustic wave soot blower can dust in periodic cleaning air preheater, avoid dust from influencing heat exchange, guarantee heat exchange effect
The stability of rate.
Further, in above-mentioned air preheat bearing hot water boiler, the outer surface of the stainless steel plate pipe 6, which is distributed with, to be changed
Hot fin.By upper description it is found that above structure can further improve heat exchange efficiency.
Further, in above-mentioned air preheat bearing hot water boiler, being provided on the inner wall of the heat exchanger cylinder 1 has
The through-hole across lower perforated plate of the lower perforated plate of through-hole, the stainless steel plate pipe 6 is vertically fixed on lower perforated plate.It can by upper description
Know, above structure can make stainless steel plate pipe 6 securely unshift, and improve the stability of equipment.
Embodiment one
A kind of air preheat bearing hot water boiler, including a bearing boiler ontology and air preheater, the pressure-bearing pot
Air inlet, burner, flue and flue are provided in furnace body；The inlet of flue is arranged in the air inlet and burner,
The flue is connected to flue；
The air preheater includes hollow heat exchanger cylinder 1, and the both ends of the heat exchanger cylinder 1 are respectively equipped with gas inlet
2 and exhanst gas outlet 3, the gas inlet 2 be connected to flue, the lower end of the heat exchanger cylinder 1 is equipped with air intlet 4, described to change
Hot 1 upper end of cylinder is equipped with air outlet slit 5；Be uniformly distributed multiple axial stainless steel plate pipes 6 in the heat exchanger cylinder 1, it is described not
Rust 6 head and the tail of steel plate pipe are in turn connected to form 6 groups of stainless steel plate pipe, and the stainless steel plate pipe 6 is hollow plate-shaped tubes, described stainless
Steel plate pipe 6 is arranged around its central axes spiral, and the both ends of 6 groups of the stainless steel plate pipe connect with air intlet 4 and air outlet slit 5 respectively
Logical, the air outlet slit 5 is connected to air inlet duct.
Cavity in the heat exchanger cylinder 1 outside stainless steel plate pipe 6 is divided into several end to end multiple cavities by partition.
Acoustic wave soot blower is equipped in the heat exchanger cylinder 1.Heat exchange fin is distributed in the outer surface of the stainless steel plate pipe 6.The heat exchange
The lower perforated plate with through-hole is provided on the inner wall of cylinder 1, the through-hole across lower perforated plate of the stainless steel plate pipe 6 is vertically fixed
On lower perforated plate.
In conclusion being connected with air preheat on the flue of air preheat bearing hot water boiler provided by the utility model
Device, the interior plate-shaped tubes equipped with spiral setting of air preheater, heat exchange area is big, and heat exchange efficiency is high, heats sky with air preheater
Gas inputs hot-air to the air inlet of flue, flue temperature can be improved, improves burning condition, damage the imperfect combustion of fuel
Lose decline.On the one hand boiler thermal efficiency is improved.On the other hand exhaust gas temperature is reduced, boiler environmental protection and energy saving are made.
Setting partition can extend flue gas and improve heat exchange efficiency in the intracorporal heat exchange length of heat exchanger tube, and further decrease cigarette
Temperature degree.Be arranged acoustic wave soot blower can dust in periodic cleaning air preheater, avoid dust from influencing heat exchange, guarantee heat exchange efficiency
Stability.In the outer surface of stainless steel plate pipe, setting heat exchange fin further improves heat exchange efficiency.Setting lower perforated plate can make
Stainless steel plate pipe securely unshifts, and improves the stability of equipment.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalents made based on the specification and figures of the utility model are applied directly or indirectly in relevant technology neck
Domain is also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of air preheat bearing hot water boiler, which is characterized in that including a bearing boiler ontology and air preheater, institute
It states and is provided with air inlet, burner, flue and flue in bearing boiler ontology；Flue is arranged in the air inlet and burner
Inlet, the flue are connected to flue；
The air preheater includes hollow heat exchanger cylinder, and the both ends of the heat exchanger cylinder are respectively equipped with gas inlet and flue gas
Outlet, the gas inlet are connected to flue, and the lower end of the heat exchanger cylinder is equipped with air intlet, and the heat exchanger cylinder upper end is set
There is air outlet slit；Multiple axial stainless steel plate pipes are uniformly distributed in the heat exchanger cylinder, the stainless steel plate pipe head and the tail are successively
Connection forms stainless steel plate pipe group, and the stainless steel plate pipe is hollow plate-shaped tubes, and the stainless steel plate pipe is around its central axes spiral shell
Rotation setting, the both ends of the stainless steel plate pipe group are connected to air intlet and air outlet slit respectively, the air outlet slit and air inlet
Mouth pipeline connection.
2. air preheat bearing hot water boiler according to claim 1, which is characterized in that stainless steel in the heat exchanger cylinder
Cavity outside plate pipe is divided into several end to end multiple cavities by partition.
3. air preheat bearing hot water boiler according to claim 1, which is characterized in that be equipped with sound in the heat exchanger cylinder
Wave dust remover.
4. air preheat bearing hot water boiler according to claim 1, which is characterized in that the appearance of the stainless steel plate pipe
EDS maps have heat exchange fin.
5. air preheat bearing hot water boiler according to claim 1, which is characterized in that on the inner wall of the heat exchanger cylinder
It is provided with the lower perforated plate with through-hole, the through-hole across lower perforated plate of the stainless steel plate pipe is vertically fixed on lower perforated plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232897.0U CN208620612U (en) | 2018-08-01 | 2018-08-01 | A kind of air preheat bearing hot water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821232897.0U CN208620612U (en) | 2018-08-01 | 2018-08-01 | A kind of air preheat bearing hot water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208620612U true CN208620612U (en) | 2019-03-19 |
Family
ID=65708399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821232897.0U Active CN208620612U (en) | 2018-08-01 | 2018-08-01 | A kind of air preheat bearing hot water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208620612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944386A (en) * | 2021-04-22 | 2021-06-11 | 刘烈春 | Boiler tube type air preheater |
| CN113701344A (en) * | 2020-05-21 | 2021-11-26 | 北京机械设备研究所 | Silencing and preheating device for air supply system of gas-fired hot water boiler |
-
2018
- 2018-08-01 CN CN201821232897.0U patent/CN208620612U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113701344A (en) * | 2020-05-21 | 2021-11-26 | 北京机械设备研究所 | Silencing and preheating device for air supply system of gas-fired hot water boiler |
| CN113701344B (en) * | 2020-05-21 | 2023-09-05 | 北京机械设备研究所 | Silencing and preheating device for air supply system of gas hot water boiler |
| CN112944386A (en) * | 2021-04-22 | 2021-06-11 | 刘烈春 | Boiler tube type air preheater |
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