CN207299996U - Burnt gas wall hanging furnace double layer heat exchanger - Google Patents
Burnt gas wall hanging furnace double layer heat exchanger Download PDFInfo
- Publication number
- CN207299996U CN207299996U CN201721398808.5U CN201721398808U CN207299996U CN 207299996 U CN207299996 U CN 207299996U CN 201721398808 U CN201721398808 U CN 201721398808U CN 207299996 U CN207299996 U CN 207299996U
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- China
- Prior art keywords
- heat exchanger
- layer heat
- exchanger tube
- bullet
- tube
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- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 238000010304 firing Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 15
- 239000002918 waste heat Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of burnt gas wall hanging furnace double layer heat exchanger, including：Heat exchanger tube includes the internal layer heat exchanger tube and outer layer heat exchanger tube that head and the tail are connected with each other, internal layer heat exchanger tube includes the bullet that multiple side walls are interconnected by connecting tube, the bottom of bullet forms heating chamber along the axis of bullet to bullet sunken inside, and does not contact with each other between the lateral wall of the side wall of the heating chamber and the bullet；Outer layer heat exchanger tube is circumferentially positioned at the periphery of internal layer heat exchanger tube, and the tube wall of internal layer heat exchanger tube is not contacted with the tube wall of outer layer heat exchanger tube；Wherein, one end of outer layer heat exchanger tube is connected with water inlet, and the other end of outer layer heat exchanger tube is connected with the bullet of one end of internal layer heat exchanger tube；The other end of internal layer heat exchanger tube is water outlet.Burnt gas wall hanging furnace double layer heat exchanger provided by the utility model, internal layer heat exchanger tube and outer layer heat exchanger tube can fully absorb the heat of all-premixing burner, and the firing rate of cold water is fast, and heat exchange efficiency is high, avoids thermal loss.
Description
Technical field
Burnt gas wall hanging furnace technical field is the utility model is related to, more particularly to a kind of burnt gas wall hanging furnace double layer heat exchanger.
Background technology
Existing gas-heating water heater is direct by flame mostly still using the heat exchanger of general fin tube structure
Heat is passed to heat exchanger tube by heating fin, so as to heat the water in heat exchanger tube.But this structure heat exchange area is smaller, causes heat exchange to be imitated
Rate is relatively low, and using after a period of time, gap can be produced between heat collecting sheet and heat exchanger tube, causes heat exchange efficiency further to drop
It is low.
Utility model content
One purpose of the utility model is to solve at least the above, and provides the advantages of at least will be described later.
The utility model also has a purpose to be to provide a kind of burnt gas wall hanging furnace double layer heat exchanger, internal layer heat exchanger tube and outer
Layer heat exchanger tube can fully absorb the heat of all-premixing burner, and the firing rate of cold water is fast, and heat exchange efficiency is high, avoids heat from damaging
Lose.
In order to realize these purposes and further advantage according to the present utility model, there is provided a kind of burnt gas wall hanging furnace is double-deck
Heat exchanger, including：
Heat exchanger tube includes the internal layer heat exchanger tube and outer layer heat exchanger tube that head and the tail are connected with each other, and the internal layer heat exchanger tube includes multiple
The bullet that side wall is interconnected by connecting tube, the tip of bullet are directed away from the side on the head of the all-premixing burner
Heating chamber is formed to the bottom of, the bullet along the axis of bullet to the bullet sunken inside, and the heating chamber
Do not contact with each other between the lateral wall of side wall and the bullet；The outer layer heat exchanger tube is circumferentially positioned at the internal layer heat exchanger tube
Periphery, and the tube wall of the internal layer heat exchanger tube is not contacted with the tube wall of the outer layer heat exchanger tube；
Wherein, one end of the outer layer heat exchanger tube is connected with water inlet, the other end of the outer layer heat exchanger tube with it is described interior
The bullet of one end of layer heat exchanger tube is connected；The other end of the internal layer heat exchanger tube is water outlet.
Preferably, further include：
First fin, it is circumferentially positioned at the communicating pipe；
Second fin, it is extended in the same direction with first fin is positioned close to the outer layer of the internal layer heat exchanger tube and changes
On the tube wall of heat pipe.
Preferably, the ultimate range between the lateral wall of the side wall of the heating chamber and the bullet is 2cm.
Preferably, in the axial direction of bullet, the side wall of the heating chamber forms multiple to the bullet sunken inside
Crack is heated, and lateral wall of the heating crack not with the bullet is in contact.
Preferably, the beeline between the tube wall of the tube wall of the internal layer heat exchanger tube and the outer layer heat exchanger tube is
0.5-2mm。
Preferably, the outer layer heat exchanger tube is the spiral coil of spread configuration from up to down.
Preferably, the internal layer heat exchanger tube and the outer layer heat exchanger tube are 304 stainless steels, first fin and
Second fin is 430 stainless steels.
Preferably, the ratio of the maximum gauge of the maximum gauge of the bullet and the outer layer heat exchanger tube is 2:1-3:
1。
The utility model includes at least following beneficial effect：
Internal layer heat exchanger tube is wrapped in outer layer heat exchanger tube, and internal layer heat exchanger tube is main heat affected zone；Also, internal layer exchanges heat
The bottom of the bullet of pipe is directly heated, and heating chamber is again the semiclosed chamber of a lower ending opening, can by part flame with
Heat is included in heating chamber, and effectively improves its interior local temperature, and then can effectively absorb the burning of all-premixing burner
Heat, avoids heat is too fast from scattering and disappearing, improves the efficiency of heating surface；Also, since the bottom of bullet is recessed inwardly setting, add bottom
Heating surface area, equally improve the efficiency of heating surface of the all-premixing burner to internal layer heat exchanger tube so that the water in internal layer heat exchanger tube
It is rapidly heated；
Outer layer heat exchanger tube can also absorb the waste heat that internal layer heat exchanger tube does not utilize heated while, can to first into
The cold water for entering outer layer heat exchanger tube is preheated, and further improves the overall efficiency of heating surface of heat exchanger tube, so that internal layer heat exchanger tube
The water that interior waste heat is crossed reaches the set water temperature of user as early as possible.
In conclusion burnt gas wall hanging furnace double layer heat exchanger provided by the utility model, internal layer heat exchanger tube and outer layer heat exchange
Pipe can fully absorb the heat of all-premixing burner, and the firing rate of cold water is fast, and heat exchange efficiency is high, avoids thermal loss.
The further advantage, target and feature of the utility model embody part by following explanation, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the cross-sectional view of heat exchanger tube described in one embodiment of the utility model；
Fig. 2 is the cross-sectional view of heat exchanger tube described in another embodiment of the utility model；
Fig. 3 is the structure diagram of the cross section of bullet described in one embodiment of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or its combination.
As shown in Figure 1, the utility model provides a kind of burnt gas wall hanging furnace double layer heat exchanger, including：
Heat exchanger tube includes the internal layer heat exchanger tube 10 and outer layer heat exchanger tube 20 that head and the tail are connected with each other, and the internal layer heat exchanger tube includes
The bullet 101 that multiple side walls are interconnected by connecting tube, the tip of bullet are directed away from the all-premixing burner
The direction on head, the bottom of the bullet form heating chamber 102, and institute along the axis of bullet to the bullet sunken inside
State and do not contact with each other between the side wall of heating chamber and the lateral wall of the bullet；The outer layer heat exchanger tube is circumferentially positioned at described
The periphery of internal layer heat exchanger tube, and the tube wall of the internal layer heat exchanger tube is not contacted with the tube wall of the outer layer heat exchanger tube；Wherein, it is described
One end of outer layer heat exchanger tube is connected with water inlet 201, the other end 202 of the outer layer heat exchanger tube and the one of the internal layer heat exchanger tube
The bullet at end 103 is connected；The other end of the internal layer heat exchanger tube is water outlet 104.
In such scheme, internal layer heat exchanger tube is wrapped in outer layer heat exchanger tube, and internal layer heat exchanger tube is main heat affected zone；
Also, the bottom of the bullet of internal layer heat exchanger tube is directly heated, heating chamber is the semiclosed chamber of a lower ending opening again, can be with
Part flame and heat are included in heating chamber, and effectively improve its interior local temperature, and then can effectively absorb full premix
The combustion heat of burner, avoids heat is too fast from scattering and disappearing, improves the efficiency of heating surface；Also, set since the bottom of bullet is recessed inwardly
Put, add the heating surface area of bottom, equally improve the efficiency of heating surface of the all-premixing burner to internal layer heat exchanger tube so that internal layer
Water in heat exchanger tube is rapidly heated；
Outer layer heat exchanger tube can also absorb the waste heat that internal layer heat exchanger tube does not utilize heated while, can to first into
The cold water for entering outer layer heat exchanger tube is preheated, and further improves the overall efficiency of heating surface of heat exchanger tube, so that internal layer heat exchanger tube
The water that interior waste heat is crossed reaches the set water temperature of user as early as possible.
As shown in Fig. 2, burnt gas wall hanging furnace double layer heat exchanger, further includes：
First fin 105, it is circumferentially positioned at the communicating pipe；
Second fin 203, it is positioned close on the side wall of the outer layer heat exchanger tube of internal layer heat exchanger tube side, and described second
Fin is vertical with the extending direction of first fin.
Different from existing heat exchanger, the first fin and the second fin are mainly used for effectively absorbing fume afterheat, auxiliary heating
Communicating pipe and outer layer heat exchanger tube, improve heat exchange efficiency.
As shown in figure 3, in burnt gas wall hanging furnace double layer heat exchanger, the outside of the side wall of the heating chamber and the bullet
Ultimate range between wall is 2cm.So that the thickness of the water in bullet is less than or equal to 2cm, meet that water temperature raises rapidly in pipe
Requirement.In actual use, the selection and design of size are carried out according to the size of burnt gas wall hanging furnace.
As shown in figure 3, in burnt gas wall hanging furnace double layer heat exchanger, in the axial direction of bullet, the side wall of the heating chamber
Multiple heating cracks are formed to the bullet sunken inside, and lateral wall of the heating crack not with the bullet connects
Touch.Multiple heating cracks can further improve the heating surface area of the bottom of bullet, additionally it is possible to by the water rough segmentation in bullet
Into the heating chamber of multiple smallers so that water temperature faster rises.
As shown in Figure 1, in burnt gas wall hanging furnace double layer heat exchanger, tube wall and the outer layer of the internal layer heat exchanger tube exchange heat
Beeline between the tube wall of pipe is 0.5-2mm.
As shown in Fig. 2, in burnt gas wall hanging furnace double layer heat exchanger, the outer layer heat exchanger tube is spread configuration from up to down
Spiral coil.
In burnt gas wall hanging furnace double layer heat exchanger, the internal layer heat exchanger tube and the outer layer heat exchanger tube are 304 stainless steels
Matter, first fin and the second fin are 430 stainless steels.
As shown in Figure 1, in burnt gas wall hanging furnace double layer heat exchanger, the maximum gauge of the bullet exchanges heat with the outer layer
The ratio of the maximum gauge of pipe is 2:1-3:1.The ratio of the maximum gauge of bullet and the maximum gauge of outer layer heat exchanger tube is direct
It is related to the integral thickness of outer layer heat exchanger tube and internal layer heat exchanger tube, in actual use, mainly according to the rule of all-premixing burner
Lattice set the integral thickness of internal layer heat exchanger tube, can receive 2/1 or 3/2 flame.
Although the embodiment of the utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to the field of various suitable the utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from specification and equivalency range, this practicality
It is new to be not limited to specific details and shown here as the legend with description.
Claims (8)
- A kind of 1. burnt gas wall hanging furnace double layer heat exchanger, it is characterised in that including：Heat exchanger tube includes the internal layer heat exchanger tube and outer layer heat exchanger tube that head and the tail are connected with each other, and the internal layer heat exchanger tube includes multiple side walls The bullet being interconnected by connecting tube, the tip of bullet is directed away from the direction on the head of all-premixing burner, described The bottom of bullet forms heating chamber, and the side wall of the heating chamber and institute along the axis of bullet to the bullet sunken inside State and do not contact with each other between the lateral wall of bullet；The outer layer heat exchanger tube is circumferentially positioned at the periphery of the internal layer heat exchanger tube, And the tube wall of the internal layer heat exchanger tube is not contacted with the tube wall of the outer layer heat exchanger tube；Wherein, one end of the outer layer heat exchanger tube is connected with water inlet, and the other end and the internal layer of the outer layer heat exchanger tube change The bullet of one end of heat pipe is connected；The other end of the internal layer heat exchanger tube is water outlet.
- 2. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that further include：First fin, it is circumferentially positioned at the communicating pipe；Second fin, it extends in the same direction the outer layer heat exchanger tube for being positioned close to the internal layer heat exchanger tube with first fin Tube wall on.
- 3. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that the side wall of the heating chamber and institute It is 2cm to state the ultimate range between the lateral wall of bullet.
- 4. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that in the axial direction of bullet, institute State the side wall of heating chamber and form multiple heating cracks to the bullet sunken inside, and the heating crack not with the bullet Lateral wall be in contact.
- 5. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that the tube wall of the internal layer heat exchanger tube Beeline between the tube wall of the outer layer heat exchanger tube is 0.5-2mm.
- 6. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that the outer layer heat exchanger tube is from upper The spiral coil of downward spread configuration.
- 7. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 2, it is characterised in that the internal layer heat exchanger tube and described Outer layer heat exchanger tube is 304 stainless steels, and first fin and the second fin are 430 stainless steels.
- 8. burnt gas wall hanging furnace double layer heat exchanger as claimed in claim 1, it is characterised in that the maximum gauge of the bullet Ratio with the maximum gauge of the outer layer heat exchanger tube is 2:1-3:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398808.5U CN207299996U (en) | 2017-10-26 | 2017-10-26 | Burnt gas wall hanging furnace double layer heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721398808.5U CN207299996U (en) | 2017-10-26 | 2017-10-26 | Burnt gas wall hanging furnace double layer heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207299996U true CN207299996U (en) | 2018-05-01 |
Family
ID=62274527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721398808.5U Expired - Fee Related CN207299996U (en) | 2017-10-26 | 2017-10-26 | Burnt gas wall hanging furnace double layer heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207299996U (en) |
-
2017
- 2017-10-26 CN CN201721398808.5U patent/CN207299996U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |