CN205690508U - Wall-hung boiler - Google Patents
Wall-hung boiler Download PDFInfo
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- CN205690508U CN205690508U CN201620640131.0U CN201620640131U CN205690508U CN 205690508 U CN205690508 U CN 205690508U CN 201620640131 U CN201620640131 U CN 201620640131U CN 205690508 U CN205690508 U CN 205690508U
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- heat exchanger
- wall
- flue gas
- furnace shell
- hung boiler
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Abstract
The utility model discloses a kind of wall-hung boiler, the burner (5) including furnace shell (10) and being arranged in furnace shell (10) and main heat exchanger (3), also including being arranged in described furnace shell (10), the flue gas being used for producing with described burner (5) carries out the supplementary heat exchanger (2) of heat exchange.The wall-hung boiler that this utility model provides, during wall-hung boiler uses, the flue gas of burner flows along furnace shell.During flow of flue gas, flue gas through main heat exchanger and supplementary heat exchanger, and with supplementary heat exchanger and main heat exchanger generation heat exchange, supplementary heat exchanger and main heat exchanger all absorb flue gas release heat, release heat flue gas discharge furnace shell.By above-mentioned setting so that supplementary heat exchanger and main heat exchanger all can absorb the heat of flue gas, are effectively increased the heat utilization ratio of flue gas.
Description
Technical field
This utility model relates to heating system technical field, particularly to a kind of wall-hung boiler.
Background technology
Along with the raising of people's quality of life, wall-hung boiler is widely used.
At present, the wall-hung boiler that heat and heat water supplying is dual-purpose includes furnace shell and the main heat exchanger being arranged in wall-hung boiler and burning
Device.When enabling heating, heating water is flowed into main heat exchanger by heating water water inlet pipe, and the flue gas produced with burner combustion carries out heat friendship
Change, then have heating water outlet pipe to flow out, in order to room heat supply.With the flue gas air outlet by furnace shell that main heat exchanger carries out heat exchange
Flow out.
But, found by actual measurement, need the flue gas discharged still to carry more heat transfer after main heat exchanger heat exchange, this portion
Flue gas is divided directly to be discharged by air outlet so that the heat utilization ratio of flue gas is relatively low.
Therefore, how to improve the heat utilization ratio of flue gas, be those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, this utility model provides a kind of wall-hung boiler, to improve the heat utilization ratio of flue gas.
For achieving the above object, the following technical scheme of this utility model offer:
From above-mentioned technical scheme it can be seen that a kind of wall-hung boiler of providing of this utility model, including furnace shell and be arranged at
Burner in furnace shell and main heat exchanger, also include being arranged in described furnace shell, carries out heat for the flue gas with described burner
The supplementary heat exchanger of exchange.
Preferably, in above-mentioned wall-hung boiler, the cigarette that described supplementary heat exchanger produces along described burner with described main heat exchanger
The flow direction arrangement of gas.
Preferably, in above-mentioned wall-hung boiler, the air outlet of described furnace shell is positioned at the top of described furnace shell.
Preferably, in above-mentioned wall-hung boiler, described supplementary heat exchanger and described main heat exchanger are at the vertical direction of described furnace shell
Upper alignment.
Preferably, in above-mentioned wall-hung boiler, described supplementary heat exchanger is positioned at the air outlet of described main heat exchanger and described furnace shell
Between.
Preferably, in above-mentioned wall-hung boiler, the auxiliary water inlet pipe of described supplementary heat exchanger and the heating water of described main heat exchanger
Water inlet pipe connects.
Preferably, in above-mentioned wall-hung boiler, described auxiliary water inlet pipe is provided with switch valve.
Preferably, in above-mentioned wall-hung boiler, described switch valve is pressure valve.
Preferably, in above-mentioned wall-hung boiler, the auxiliary outlet pipe of described supplementary heat exchanger and the heating water of described main heat exchanger
Outlet pipe connects.
Preferably, in above-mentioned wall-hung boiler, the quantity of described supplementary heat exchanger is one.
Preferably, in above-mentioned wall-hung boiler, the quantity of described supplementary heat exchanger is multiple.
Preferably, in above-mentioned wall-hung boiler, also include the plate type heat exchanger being arranged in described furnace shell, described plate type heat exchanger
The import of heat release runner connect with the heating water outlet pipe of described main heat exchanger, the outlet of described heat release runner is changed with described master
The heating water water inlet pipe connection of hot device.
Preferably, in above-mentioned wall-hung boiler, the quantity of described plate type heat exchanger is one.
Preferably, in above-mentioned wall-hung boiler, the quantity of described plate type heat exchanger is multiple.
Preferably, in above-mentioned wall-hung boiler, the heat release runner of multiple described plate type heat exchangers is arranged in parallel.
Preferably, in above-mentioned wall-hung boiler, the heat release runner of multiple described plate type heat exchangers is arranged in series.
The wall-hung boiler that this utility model provides, during wall-hung boiler uses, during wall-hung boiler uses, burner
Flue gas flows along furnace shell.During flow of flue gas, flue gas through main heat exchanger and supplementary heat exchanger, and with supplementary heat exchanger and
Main heat exchanger generation heat exchange, supplementary heat exchanger and main heat exchanger all absorb the heat of flue gas release, discharge the flue gas row of heat
Go out furnace shell.By above-mentioned setting so that supplementary heat exchanger and main heat exchanger all can absorb the heat of flue gas, are effectively increased flue gas
Heat utilization ratio.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
The structural representation of the wall-hung boiler that Fig. 1 provides for this utility model embodiment.
Detailed description of the invention
The utility model discloses a kind of wall-hung boiler, to improve the heat utilization ratio of flue gas.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
As it is shown in figure 1, a kind of wall-hung boiler that this utility model embodiment provides, including furnace shell 10 and be arranged in furnace shell 10
Burner 5 and main heat exchanger 3, also include the supplementary heat exchanger 2 being arranged in furnace shell 10, supplementary heat exchanger 2 for and burning
The flue gas of device 5 carries out heat exchange.
The wall-hung boiler that this utility model embodiment provides, during wall-hung boiler uses, the flue gas of burner 5 is along furnace shell 10
Flowing.During flow of flue gas, flue gas through main heat exchanger 3 and supplementary heat exchanger 2, and with supplementary heat exchanger 2 and main heat exchange
Device 3 occurs heat exchange, supplementary heat exchanger 2 and main heat exchanger 3 to absorb the heat of flue gas release, and the flue gas of release heat discharges furnace shell
10.By above-mentioned setting so that supplementary heat exchanger 2 and main heat exchanger 3 all can absorb the heat of flue gas, are effectively increased flue gas
Heat utilization ratio.
Further, the flow direction arrangement of the flue gas that supplementary heat exchanger 2 and main heat exchanger 3 produce along burner 5.That is,
When the flue gas that burner 5 produces flows from bottom to top, supplementary heat exchanger 2 and the orientation of main heat exchanger 3 are also vertically square
To arrangement.When the flue gas that burner 5 produces flows in the horizontal direction, supplementary heat exchanger 2 with the orientation of main heat exchanger 3 is also
Arrange in the horizontal direction.By above-mentioned setting so that supplementary heat exchanger and main heat exchanger absorb the heat of flue gas stage by stage, i.e.
Flue gas first passes through supplementary heat exchanger 2 and a heat exchanger in main heat exchanger 3, after carrying out heat exchange, the flue gas still having surplus heat warp again
Crossing another heat exchanger, another heat exchanger absorbs the waste heat in flue gas, further increases the heat utilization ratio of flue gas.
Can also make flue gas simultaneously through supplementary heat exchanger 2 and main heat exchanger 3, by arranging two heat exchangers, expand
Flue gas and the contact area (i.e. heat exchange area) of heat exchanger, and then improve heat utilization ratio.
As it is shown in figure 1, in the present embodiment, the air outlet 1 of furnace shell 10 is positioned at the top of furnace shell 10, in order to burner 5
The flue gas produced is discharged by the air outlet 1 of furnace shell 10.In this case, supplementary heat exchanger 2 and main heat exchanger 3 erecting along furnace shell 10
Nogata is to arrangement.It is of course also possible to the air outlet 1 of furnace shell 10 is arranged on the sidewall of furnace shell 10, tires out the most one by one at this and state.
It is understood that the vertical direction of furnace shell 10 is wall-hung boiler vertical direction in normal operation, it is
The vertical direction of the wall-hung boiler in Fig. 1.Having trachea 51 on burner 5, burning gases are entered burner 5 by trachea 51 and fire
Burning, flue gas is steam, flows up and is discharged by air outlet 1.
Further, air outlet 1 is provided with blower fan, it is simple to the flowing of flue gas.The air outlet 1 of furnace shell 10 is being arranged at stove
In embodiment on the sidewall of shell 10, flue gas changes flow direction by the captivation of blower fan so that flue gas is by the side of furnace shell 10
Wall flows out.
Preferably, supplementary heat exchanger 2 aligns on the vertical direction of furnace shell 10 with main heat exchanger 3.Due to main heat exchanger 3 with
Burner 5 in the vertical direction aligns so that during flue gas passes sequentially through supplementary heat exchanger 2 and main heat exchanger 3, expand
Flue gas and the contact area of supplementary heat exchanger 2, further increase flue gas and flow through the flow of supplementary heat exchanger 2, and then improve
Heat exchange efficiency.
Supplementary heat exchanger 2 and main heat exchanger 3 dislocation or a part completely on the vertical direction of furnace shell 10 can also be made heavy
Folded.As a example by wall-hung boiler in Fig. 1, air outlet 1 is arranged at the side at the top of furnace shell 10, deviate from the centre position at top.
Therefore, the overall flow direction of the flue gas that burner 5 produces is flowed for the vertical direction along furnace shell 10, but at the top near furnace shell 10
Time, the direction flowing of air outlet 1 can be partial to.Therefore, it can shift to install supplementary heat exchanger 2 with main heat exchanger 3 so that auxiliary
Heat exchanger 2 near air outlet 1, through the flue gas of main heat exchanger 3 flowing to air outlet 1 when through supplementary heat exchanger 2, equally
Heat exchange efficiency can be improved.
Preferably, supplementary heat exchanger 2 is between the air outlet 1 of main heat exchanger 3 and furnace shell 10.That is, supplementary heat exchanger 2
In main heat exchanger 3 towards the side of air outlet 1.In the present embodiment, flue gas is in two stages by supplementary heat exchanger 2 and main heat exchange
Device 3 absorbs heat.In first stage, main heat exchanger 3 absorbs the major heat of flue gas, and the flue gas flow direction being absorbed certain heat is auxiliary
Help heat exchanger 2；In second stage, supplementary heat exchanger 2 absorbs the preheating of flue gas.
Supplementary heat exchanger 2 can also be positioned at the side of main heat exchanger 3 air outlet 1 dorsad, i.e. flue gas first passes through auxiliary and changes
Hot device 2 is again through main heat exchanger 3.
Wherein, supplementary heat exchanger 2 can be the same or different with the model of main heat exchanger 3, and concrete structure is according to actual
Depending on requirement.
In the wall-hung boiler that this utility model embodiment provides, auxiliary water inlet pipe 21 and the main heat exchanger 3 of supplementary heat exchanger 2
Heating water water inlet pipe 7 connects.That is, after heating water is entered wall-hung boiler by heating water water inlet pipe 7, main heat exchanger 3 is flowed to；Heating water enters
A part of heating water in water pipe 7 branches to assist water inlet pipe 21, then flows into supplementary heat exchanger 2, and another part heating water exists
The guiding of heating water water inlet pipe 7 dirty enter main heat exchanger 3.By above-mentioned setting, facilitate pipeline and arrange.Auxiliary can also be made to enter
Water pipe 21 is respectively provided with heating water water inlet pipe 7, is no longer discussed in detail at this.
It is provided with switch valve 22 on auxiliary water inlet pipe 21.That is, when unit load height, the temperature of flue gas is the highest, discharge
Greatly, hydraulic pressure is big, and in this case, switch valve 22 is opened, and heating water enters supplementary heat exchanger 2 and main heat exchanger 3.Work as unit load
Time less, the remaining temperature of flue gas is relatively low, in this case, if supplementary heat exchanger 2 works with main heat exchanger 3 simultaneously, can make
The probability obtaining steam coagulation is big, and therefore, closing switch valve 22 makes to assist water inlet pipe 21 to disconnect, and heating water only passes through heating
Water water inlet pipe 7 enters main heat exchanger 3.
Preferably, switch valve 22 is pressure valve.Switch valve 22 judges load according to the flow of heating water, and then controls switch
The switching manipulation of valve 22.Switch valve 22 can also be set to manual switch valve, be detected by artificial or machine, be accomplished manually out
Close the switching manipulation of valve 22.
In like manner, the auxiliary outlet pipe 23 of supplementary heat exchanger 2 connects with the heating water outlet pipe 9 of main heat exchanger 3.That is, by auxiliary
Help the heating water that heat exchanger 2 flows out by assisting outlet pipe 23 to flow to heating water outlet pipe 9, and the heating flowed out with main heat exchanger 3
Water converges, heating water outlet pipe 9 flow out.By above-mentioned setting, facilitate pipeline and arrange.Can also make auxiliary outlet pipe 23 with
Heating water outlet pipe 9 is respectively provided with, and is no longer discussed in detail at this.
As it is shown in figure 1, in the present embodiment, the quantity of supplementary heat exchanger 2 is one.That is, carry out with flue gas in wall-hung boiler
The heat exchanger of heat exchange has two, respectively main heat exchanger 3 and supplementary heat exchanger 2.
In another kind of embodiment, the quantity of supplementary heat exchanger 2 is multiple.As a example by two supplementary heat exchangers 2, wherein,
Two supplementary heat exchangers 2 can may be contained within the main heat exchanger 3 side towards air outlet 1；Main heat exchanger 3 can also be may be contained within
The side of air outlet 1 dorsad；The both sides of main heat exchanger 3, i.e. main heat exchanger 3 can also be respectively arranged at and be positioned at two auxiliary heat-exchangings
Between device 2.The quantity of supplementary heat exchanger 2 can also be set to three, four ...
The wall-hung boiler that this utility model embodiment provides also includes the plate type heat exchanger 4 being arranged in furnace shell 10.Board-like change
There is on hot device 4 heat release runner and the heat absorption flow channel of mutual heat exchange, the import of the heat release runner of plate type heat exchanger 4 and main heat exchange
The heating water outlet pipe 9 of device 3 connects, and the outlet of heat release runner connects with the heating water water inlet pipe 7 of main heat exchanger 3.Domestic water
Entered plate type heat exchanger 4 by the domestic water water inlet pipe 41 of heat absorption flow channel, carry out heat exchange with heat release runner and absorb heat, then having suction
The domestic water outlet pipe 42 of hot flow path flows out.
In the first embodiment, the quantity of plate type heat exchanger 4 is one, the domestic water water outlet of this plate type heat exchanger 4
The hot water that pipe 42 flows out can be for user's bathing or other domestic waters (such as wash up etc.).
In the second embodiment, the quantity of plate type heat exchanger 4 is multiple.That is, there is multiple domestic water outlet pipe 42.
And then different plate type heat exchangers 4 can be provided separately from different domestic waters.As it is shown in figure 1, in the present embodiment, board-like
The quantity of heat exchanger 4 is two, and one provides hot water for bathing, and another is other domestic water supplying hot waters.Two board-like changes
The model of hot device 4 can be different, in order to meet the demand of different hot water temperature.
The heat release runner of multiple plate type heat exchangers 4 is arranged in parallel.As it is shown in figure 1, the heat release runner of two plate type heat exchangers 4
It is arranged in parallel, i.e. the hot water flowed out by heating water outlet pipe 9 flows through two plate type heat exchangers 4 jointly, to guarantee that two board-like are changed
The heat exchange efficiency of hot device 4.
The heat release runner that can also make multiple plate type heat exchanger 4 is arranged in series, i.e. the hot water that heating water outlet pipe 9 flows out
First flowing through a plate type heat exchanger 4, the hot water carrying out heat exchange passes through another plate type heat exchanger 4.Wherein, heating water water outlet
The heat of the plate type heat exchanger 4 that the hot water that pipe 9 flows out first passes around is higher, can be by this plate type heat exchanger 4 in requisition for temperature
Higher demand of domestic water (such as bath water).The plate type heat exchanger 4 of process after the hot water that heating water outlet pipe 9 flows out
Heat is relatively low, can be by this plate type heat exchanger 4 for the demand of domestic water (such as wash up etc.) relatively low in requisition for temperature.
It is understood that be provided with reversing three-way valve 8, plate type heat exchanger 4 on the heating water outlet pipe 9 of main heat exchanger 3
The import of heat release runner connect with reversing three-way valve 8.It is provided with water pump 6 on the heating water water inlet pipe 7 of main heat exchanger 3, in order to
In heating water is improved power.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this practicality new
Type.Multiple amendment to these embodiments will be apparent from for those skilled in the art, is determined herein
The General Principle of justice can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause
This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (16)
1. a wall-hung boiler, the burner (5) including furnace shell (10) and being arranged in furnace shell (10) and main heat exchanger (3), it is special
Levying and be, also include being arranged in described furnace shell (10), the flue gas being used for producing with described burner (5) carries out the auxiliary of heat exchange
Help heat exchanger (2).
2. wall-hung boiler as claimed in claim 1, it is characterised in that described supplementary heat exchanger (2) and described main heat exchanger (3) edge
The flow direction arrangement of the flue gas that described burner (5) produces.
3. wall-hung boiler as claimed in claim 2, it is characterised in that the air outlet (1) of described furnace shell (10) is positioned at described furnace shell
(10) top.
4. wall-hung boiler as claimed in claim 3, it is characterised in that described supplementary heat exchanger (2) and described main heat exchanger (3) exist
Align on the vertical direction of described furnace shell (10).
5. wall-hung boiler as claimed in claim 1, it is characterised in that described supplementary heat exchanger (2) is positioned at described main heat exchanger (3)
And between the air outlet (1) of described furnace shell (10).
6. wall-hung boiler as claimed in claim 1, it is characterised in that the auxiliary water inlet pipe (21) of described supplementary heat exchanger (2) with
Heating water water inlet pipe (7) connection of described main heat exchanger (3).
7. wall-hung boiler as claimed in claim 6, it is characterised in that be provided with switch valve on described auxiliary water inlet pipe (21)
(22)。
8. wall-hung boiler as claimed in claim 7, it is characterised in that described switch valve (22) is pressure valve.
9. wall-hung boiler as claimed in claim 6, it is characterised in that the auxiliary outlet pipe (23) of described supplementary heat exchanger (2) with
Heating water outlet pipe (9) connection of described main heat exchanger (3).
10. wall-hung boiler as claimed in claim 1, it is characterised in that the quantity of described supplementary heat exchanger (2) is.
11. wall-hung boilers as claimed in claim 1, it is characterised in that the quantity of described supplementary heat exchanger (2) is multiple.
12. wall-hung boilers as described in any one of claim 1-11, it is characterised in that also include being arranged in described furnace shell (10)
Plate type heat exchanger (4), the import of the heat release runner of described plate type heat exchanger (4) goes out with the heating water of described main heat exchanger (3)
Water pipe (9) connects, and the outlet of described heat release runner connects with the heating water water inlet pipe (7) of described main heat exchanger (3).
13. wall-hung boilers as claimed in claim 12, it is characterised in that the quantity of described plate type heat exchanger (4) is one.
14. wall-hung boilers as claimed in claim 12, it is characterised in that the quantity of described plate type heat exchanger (4) is multiple.
15. wall-hung boilers as claimed in claim 14, it is characterised in that the heat release runner of multiple described plate type heat exchangers (4) is also
Connection is arranged.
16. wall-hung boilers as claimed in claim 14, it is characterised in that the heat release runner string of multiple described plate type heat exchangers (4)
Connection is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640131.0U CN205690508U (en) | 2016-06-22 | 2016-06-22 | Wall-hung boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620640131.0U CN205690508U (en) | 2016-06-22 | 2016-06-22 | Wall-hung boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205690508U true CN205690508U (en) | 2016-11-16 |
Family
ID=57425923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620640131.0U Active CN205690508U (en) | 2016-06-22 | 2016-06-22 | Wall-hung boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205690508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-hung boiler |
-
2016
- 2016-06-22 CN CN201620640131.0U patent/CN205690508U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106066059A (en) * | 2016-06-22 | 2016-11-02 | 珠海格力电器股份有限公司 | Wall-hung boiler |
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