CN209043088U - A kind of heat exchanger - Google Patents
A kind of heat exchanger Download PDFInfo
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- CN209043088U CN209043088U CN201821289525.1U CN201821289525U CN209043088U CN 209043088 U CN209043088 U CN 209043088U CN 201821289525 U CN201821289525 U CN 201821289525U CN 209043088 U CN209043088 U CN 209043088U
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- heat exchanger
- cavity
- exchanging part
- ventilation duct
- heat exchanging
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Abstract
The utility model discloses a kind of heat exchanger, and the heat exchanger includes heat exchanging part, which includes at least: the first heat exchanging part with the first cavity, and the second heat exchanging part with the second cavity；Include the first ventilation duct in first cavity, includes the second ventilation duct in second cavity；First ventilation duct is connected to by the first connection chamber with the second ventilation duct；First cavity, communicating pipe and the second cavity collectively form the cigarette channel passed through for flue gas.The temperature of flue gas is stablized in the heat exchanger, and can fall grey dedusting automatically, effectively improves the thermal efficiency of heat exchanger.
Description
Technical field
The utility model relates to technical field of heat exchange.More particularly, to a kind of heat exchanger.
Background technique
Heat exchanger focus primarily upon grain and oil, food, petroleum, chemical industry, metallurgy, electric power, ship, central heating, refrigeration air-conditioner,
The fields such as machinery, food, pharmacy.The type of heat exchanger has very much, and main function is energy efficiency, improves heat transfer efficiency, drop
Low pressure drop, raising device calorific intensity etc..Existing heat exchanger generally includes the heat exchanger tube that can lead to flue gas, when containing in flue gas
When having a large amount of dusts, the problem of heat exchanger often will appear dust clogging heat exchanger tube road, not only reduces the thermal efficiency, and ash
Dirt is difficult to clear up, and increases labor intensity.And how effective dedusting is to improve the heat transfer efficiency of heat exchanger, reduces maintenance and maintenance
Expense become restrict heat exchanger development a bottleneck.
Further, since flue gas passes through in narrow pipeline, the burn-off rate of coal in coal furnace is easily caused to reduce, and flue gas
Temperature influenced by in-furnace temperature, the temperature of flue gas is not easy to control, when dry object is dried using flue gas, flue gas
Temperature is unstable greatly to influence drying effect.
Utility model content
The purpose of this utility model is to provide a kind of heat exchanger, the temperature of flue gas is stablized in the heat exchanger, and can be automatic
Grey dedusting is fallen, is not easy to cause cigarette channel to block because of dust, the thermal efficiency of heat exchanger can be effectively improved.
In order to achieve the above objectives, the utility model adopts the following technical solutions:
A kind of heat exchanger, the heat exchanger include heat exchanging part, which includes at least:
The first heat exchanging part with the first cavity, and the second heat exchanging part with the second cavity；In first cavity
Include the first ventilation duct, includes the second ventilation duct in second cavity；First heat exchanging part and the second heat exchanging part it
Between be formed with the first connection chamber, first ventilation duct is connected to by the first connection chamber with the second ventilation duct；First ventilation
Pipe, the first connection chamber and the second ventilation duct collectively form the wind channel passed through for external cold wind；
The heat exchanger further includes having the first cavity of first heat exchanging part and the second cavity of the second heat exchanging part company
Logical communicating pipe, the first cavity, communicating pipe and the second cavity collectively form the cigarette channel passed through for flue gas.
Preferably, the heat exchanger includes the wind feeder connection and wind channel outlet for being formed in wind channel both ends；
One end of the close wind feeder connection of the cigarette channel includes exhanst gas outlet；The close wind channel of the cigarette channel
One end of outlet includes smoke inlet.
Preferably, the port formation wind channel far from the first connection chamber in the wind channel of first ventilation duct goes out
Mouthful, the port far from the first connection chamber of second ventilation duct forms wind feeder connection.
Preferably, the caliber of first ventilation duct is greater than the caliber of second ventilation duct.
Preferably, the heat exchanging part further includes the third heat exchanging part with third cavity being connected to the second heat exchanging part；Institute
Stating includes third venting pipe in third cavity；
The second connection chamber is formed between second heat exchanging part and third heat exchanging part, second ventilation duct passes through described
Second connection chamber is connected to third venting pipe；
The heat exchanger further includes having to connect the second cavity of second heat exchanging part and the third cavity of third heat exchanging part
Logical communicating pipe.
Preferably, the port far from the first connection chamber of first ventilation duct forms wind channel outlet, and described the
The port far from the second connection chamber of three ventilation ducts forms wind feeder connection.
Preferably, the caliber of first ventilation duct is greater than the caliber of second ventilation duct；Second ventilation duct
Caliber is greater than the caliber of the third venting pipe.
Preferably, the heat exchanger further includes dust removal unit；The dust removal unit includes: positioned at the heat exchanging part bottom and institute
State the ash bucket of wind channel connection, the unloading valve positioned at ash bucket lower end, and the vibration for driving ash bucket to vibrate on ash bucket
Motor.
Preferably, the dust removal unit further includes the vacuum pipe being connected to ash bucket below ash bucket；The vacuum tube
The end in road is connected with vacuum cleaner.
Preferably, one end close to the exhanst gas outlet of the cigarette channel includes explosion venting device.
The beneficial effects of the utility model are as follows:
Heat exchanger provided by the utility model changes flue gas in the prior art and walks the design of heat exchange pipeline, and makes flue gas
Pass through from heat exchanging part inner cavity, be not easy to cause cigarette channel to block because of dust, and convenient for carrying out sedimentation and clear to the dust in flue gas
Reason, can reduce the maintenance number of heat exchanger, improve the heat exchange efficiency of heat exchanger.
In addition, heat exchanger provided by the utility model, provides enough channel spaces for flue gas, can be promoted in coal furnace
The burn-off rate of coal；And the flue-gas temperature in heat exchanging part inner cavity is easy to control, according to the corresponding flue gas of setting of different dry objects
Temperature, to guarantee the quality of drying efficiency and dry object.
Detailed description of the invention
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 shows the plane arrangement structure schematic diagram of the utility model heat exchanger.
Fig. 2 shows the section arragement construction schematic diagrames of the utility model heat exchanger.
Description of symbols: 11, the first heat exchanging part；12, the second heat exchanging part；13, third heat exchanging part；21, the first connection chamber；
22, the second connection chamber；31, smoke inlet；32, exhanst gas outlet；41, wind feeder connection；42, wind channel outlet；5, communicating pipe；
61, ash bucket；62, vibrating motor；63, unloading valve；64, peep-hole；7, temperature sensor；8, explosion venting device.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not be limited the protection scope of the present invention.
The cigarette channel of heat exchanger is easy accumulation dust and is difficult to clear up in the prior art, significantly impacts the heat transfer of heat exchanger
Efficiency.The utility model, which provides one kind, has new structural heat exchanger, and the temperature of flue gas is stablized in the heat exchanger, and can be automatic
Grey dedusting is fallen, is not easy to cause cigarette channel to block because of dust, the thermal efficiency of heat exchanger can be effectively improved.
Specifically, it is described in detail with reference to the accompanying drawing.Fig. 1 shows the plane arrangement structure of the utility model heat exchanger
Schematic diagram.Fig. 2 shows the section arragement construction schematic diagrames of the utility model heat exchanger.
As depicted in figs. 1 and 2, the utility model provides a kind of heat exchanger, and the heat exchanger includes heat exchanging part, the heat exchanging part
It includes at least:
The first heat exchanging part 11 with the first cavity, and
The second heat exchanging part 12 with the second cavity；
Include the first ventilation duct in first cavity, includes the second ventilation duct in second cavity；
The first connection chamber 21 is formed between first heat exchanging part 11 and the second heat exchanging part 12, first ventilation duct is logical
The first connection chamber 21 is crossed to be connected to the second ventilation duct；First ventilation duct, the first connection chamber 21 and the second ventilation duct are common
Constitute the wind channel passed through for external cold wind；
The heat exchanger further includes the second sky having the first cavity of first heat exchanging part 11 and the second heat exchanging part 12
The communicating pipe 5 of chamber connection, the first cavity, communicating pipe 5 and the second cavity collectively form the cigarette channel passed through for flue gas.
Heat exchanger as described above provided by the utility model changes flue gas in the prior art and walks setting for heat exchange pipeline
Meter, and pass through flue gas from heat exchanging part inner cavity, convenient for the dust in flue gas is settled and cleared up, heat exchanger can be reduced
Number is overhauled, the heat exchange efficiency of heat exchanger is improved.In addition, heat exchanger provided by the utility model, provides enough for flue gas
Channel space can promote the burn-off rate of coal in coal furnace；And the flue-gas temperature in heat exchanging part inner cavity is easy to control, by adjusting cigarette
The flue gas can be used for different drying objects by the temperature of gas.
It will be appreciated by persons skilled in the art that the flow direction of external cold wind and flue gas is opposite in heat exchanger.
In this preferred embodiment, the heat exchanger includes that the wind feeder connection 41 for being formed in wind channel both ends and wind lead to
Road outlet 42；One end of the close wind feeder connection 41 of the cigarette channel includes exhanst gas outlet 32, the cigarette channel it is close
One end of wind channel outlet 42 includes smoke inlet 31, in the heat exchanger, the arrow institute of the glide path of flue gas as shown in figure 1
Show.
When heat exchanger only includes the first heat exchanging part 11 and the second heat exchanging part 12, the wind channel of first ventilation duct it is remote
Port from the first connection chamber 21 forms wind channel outlet 42, and second ventilation duct is connected to chamber 21 far from described first
Port formed wind feeder connection 41.At this point, it is further preferred that the caliber of first ventilation duct is greater than second ventilation
The caliber of pipe guarantees heat exchange effect to increase the gas of the ventilation shaft and the heat exchange area of the flue gas.
In this preferred embodiment, the heat exchanging part further includes being connected to the second heat exchanging part 12 with third cavity
Third heat exchanging part 13；It include third venting pipe in the third cavity；Second heat exchanging part 12 and third heat exchanging part 13
Between be formed with the second connection chamber 22, second ventilation duct is connected to by the second connection chamber 22 with third venting pipe；Institute
Stating heat exchanger further includes having the company for being connected to the second cavity of second heat exchanging part 12 with the third cavity of third heat exchanging part 13
Siphunculus 5.First cavity, the second cavity, third cavity and communicating pipe 5 collectively form the cigarette channel passed through for flue gas.
It will be appreciated by persons skilled in the art that the separate institute of the first ventilation duct described in this preferred embodiment
The port for stating the first connection chamber 21 forms wind channel outlet 42, the end far from the second connection chamber 22 of the third venting pipe
The degree of lip-rounding becomes a common practice feeder connection 41.
To increase the gas of the ventilation shaft and the heat exchange area of the flue gas, guarantee heat exchange efficiency, described first is logical
The caliber of air hose is greater than the caliber of second ventilation duct；The caliber of second ventilation duct is greater than the pipe of the third venting pipe
Diameter.
In this preferred embodiment, the meeting in cigarette channel is with time integral dust, therefore the heat exchanger further includes
There is dust removal unit；The dust removal unit includes: the ash bucket 61 being connected to the wind channel positioned at the heat exchanging part bottom, is located at ash bucket
The vibrating motor 62 for driving ash bucket 61 to vibrate on 61, and the unloading valve 63 positioned at 61 lower end of ash bucket.It is further preferred that
The dust removal unit further includes the vacuum pipe being connected to ash bucket 61 positioned at 61 lower section of ash bucket；The end of the vacuum pipe connects
There is vacuum cleaner (not shown).The biggish dust of particle is affected by gravity and drops down onto ash bucket 61 when passing through cigarette channel
It is stored, when needing to be dusted, opening unloading valve 63 and vibrating motor 62, dust can fall to very in effect of vibration
Vacant duct, and finally it is delivered to vacuum cleaner.It, can be in the side of ash bucket for the ease of the dust accumulation in observation ash bucket
Peep-hole 64 is set, convenient for being carried out unloading ash manipulation in time according to dust situation.This preferred embodiment provide heat exchanger due to
Ash-clearing structure more than having allows heat exchanger not shut down continuous work, while improving heat exchange efficiency, also ensures heat exchange
The cleaning of air.
In order to guarantee the safety in the heat exchanger course of work, control the generation of explosion or extent of the destruction be made to reach minimum, institute
The one end close to the exhanst gas outlet 32 for stating cigarette channel includes explosion venting device 8.
In addition, temperature sensor 7, art technology can be arranged in heat exchanging part in order to measure the temperature of flue gas in time
Personnel can adjust the temperature of flue gas according to dry object setting.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is all to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The column of protection scope.
Claims (10)
1. a kind of heat exchanger, which is characterized in that the heat exchanger includes heat exchanging part, which includes at least:
The first heat exchanging part with the first cavity, and
The second heat exchanging part with the second cavity；
Include the first ventilation duct in first cavity, includes the second ventilation duct in second cavity；
The first connection chamber is formed between first heat exchanging part and the second heat exchanging part, first ventilation duct passes through described first
Connection chamber is connected to the second ventilation duct；First ventilation duct, the first connection chamber and the second ventilation duct are collectively formed for external cold wind
By wind channel；
The heat exchanger further includes having for the first cavity of first heat exchanging part to be connected to the second cavity of the second heat exchanging part
Communicating pipe, the first cavity, communicating pipe and the second cavity collectively form the cigarette channel passed through for flue gas.
2. a kind of heat exchanger according to claim 1, which is characterized in that the heat exchanger includes to be formed in the wind to lead to
The wind feeder connection and wind channel outlet at road both ends；
One end of the close wind feeder connection of the cigarette channel includes exhanst gas outlet；The close wind channel outlet of the cigarette channel
One end include smoke inlet.
3. a kind of heat exchanger according to claim 2, which is characterized in that the separate institute in the wind channel of first ventilation duct
The port for stating the first connection chamber forms wind channel outlet, and the port far from the first connection chamber of second ventilation duct is formed
Wind feeder connection.
4. a kind of heat exchanger according to claim 3, which is characterized in that the caliber of first ventilation duct is greater than described the
The caliber of two ventilation ducts.
5. a kind of heat exchanger according to claim 2, which is characterized in that the heat exchanging part further includes connecting with the second heat exchanging part
The logical third heat exchanging part with third cavity；It include third venting pipe in the third cavity；
The second connection chamber is formed between second heat exchanging part and third heat exchanging part, second ventilation duct passes through described second
Connection chamber is connected to third venting pipe；
The heat exchanger further includes having for the second cavity of second heat exchanging part to be connected to the third cavity of third heat exchanging part
Communicating pipe.
6. a kind of heat exchanger according to claim 5, which is characterized in that first ventilation duct connects far from described first
The port of cavity forms wind channel outlet, and the port far from the second connection chamber of the third venting pipe forms wind channel and enters
Mouthful.
7. a kind of heat exchanger according to claim 6, which is characterized in that the caliber of first ventilation duct is greater than described the
The caliber of two ventilation ducts；The caliber of second ventilation duct is greater than the caliber of the third venting pipe.
8. a kind of heat exchanger according to claim 1, which is characterized in that the heat exchanger further includes dust removal unit；It is described to remove
Dirt portion includes:
The ash bucket being connected to the wind channel positioned at the heat exchanging part bottom；
Unloading valve positioned at ash bucket lower end；And
The vibrating motor for driving ash bucket to vibrate on ash bucket.
9. a kind of heat exchanger according to claim 8, which is characterized in that the dust removal unit further includes being located at below ash bucket
The vacuum pipe being connected to ash bucket；The end of the vacuum pipe is connected with vacuum cleaner.
10. a kind of heat exchanger according to claim 2, which is characterized in that the close exhanst gas outlet of the cigarette channel
One end include explosion venting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289525.1U CN209043088U (en) | 2018-08-10 | 2018-08-10 | A kind of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821289525.1U CN209043088U (en) | 2018-08-10 | 2018-08-10 | A kind of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209043088U true CN209043088U (en) | 2019-06-28 |
Family
ID=67030656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821289525.1U Active CN209043088U (en) | 2018-08-10 | 2018-08-10 | A kind of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209043088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844392A (en) * | 2018-08-10 | 2018-11-20 | 国家粮食局科学研究院 | A kind of heat exchanger |
-
2018
- 2018-08-10 CN CN201821289525.1U patent/CN209043088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844392A (en) * | 2018-08-10 | 2018-11-20 | 国家粮食局科学研究院 | A kind of heat exchanger |
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