CN207196950U - A kind of flue gas waste heat recovery exchanger - Google Patents
A kind of flue gas waste heat recovery exchanger Download PDFInfo
- Publication number
- CN207196950U CN207196950U CN201721062709.XU CN201721062709U CN207196950U CN 207196950 U CN207196950 U CN 207196950U CN 201721062709 U CN201721062709 U CN 201721062709U CN 207196950 U CN207196950 U CN 207196950U
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- China
- Prior art keywords
- flue gas
- heat
- gas waste
- waste heat
- heat recovery
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a kind of flue gas waste heat recovery exchanger, including：Housing；Air inlet and exhaust outlet, air inlet and exhaust outlet are respectively arranged on housing；Heat exchanger, heat exchanger include fixed panel, heat exchange runner and heat-conducting layer, and fixed panel is connected with heat exchange runner and housing respectively；Heat exchange runner is located in the inner chamber of housing；Heat-conducting layer is coated on the outer surface of heat exchange runner；Water inlet and delivery port, water inlet and delivery port are respectively arranged on fixed panel, and water inlet and delivery port are connected with heat exchange runner respectively.The flue gas waste heat recovery exchanger of offer of the present utility model, which raises the heat absorption capacity of flue gas waste heat recovery exchanger, while the gas-heating water heater work thermal efficiency is ensured, greatly reduces stainless steel materials, reduces cost.
Description
Technical field
It the utility model is related to a kind of flue gas waste heat recovery exchanger.
Background technology
Condensing gas wall hanging stove, as the term suggests it is exactly the gas fired-boiler of condensing, present condensing gas wall hanging stove
Condensation domestic gas boiler and condensation commercial gas boiler can be divided into, product may also differentiate between as condensation console mode boiler and condensation
Two series of wall-hung boiler.Condensing gas wall hanging stove it is wherein mostly important be exactly naturally condensation technology realization.Condensation
The key of boiler is condensation technology, is a kind of novel energy-conserving, the technology of environmental protection, and its principle is simultaneously uncomplicated, simple to summarize
It is exactly by the heat energy in flue gas condensing recovered flue gas.In conventional boiler, exhaust gas temperature is typically at 160~250 DEG C, even more
It is high so that water caused by fuel combustion is in the water vapour of superheat state in flue gas, is lost in flue gas from chimney.Tradition
Boiler thermal output typically can only achieve 85%~91%.And condensing gas wall hanging stove, exhaust gas temperature is reduced to 50~70 by it
DEG C, the latent heat of condensation of the sensible heat and water vapour in flue gas is fully reclaimed, the thermal efficiency even can be more than 100%.
Flue gas waste heat recovery exchanger in the market, the operation principle applied to condensation-type gas-fired heating water heater is such as
Under：Flue gas waste heat recovery exchanger is installed in the blower fan exhaust opening of gas-heating water heater, natural gas is by fully burning
Afterwards, after main switch, for flue-gas temperature about at 140 DEG C, flue gas passes through flue gas waste heat recovery exchanger, the heating of heating backwater
Process, the exhaust gas temperature after flue gas waste heat recovery only have 60 DEG C or so, and flue gas produces condensation during this, realizes obvious heat of smoke
With the recycling of water vapour condensation latent heat；The gas-heating water heater work thermal efficiency is set to be lifted from original 90% to 102%.
In the prior art, flue gas waste heat recovery exchanger is a kind of low temperature heat exchanger, it is desirable to which heat transfer area is big, and uses
The SUS304 stainless steel materials of expensive corrosion resistant, stainless steel material thermal conductivity factor be not high.
As Chinese patent 200820052420.4 discloses a kind of condensing heat exchanger for gas water heaters, it includes heat exchange
Room, heat exchanger tube, smoke inlet, exhaust opening, cold water inlet, hot water outlet, the condensation-water drain being located in Heat Room, Heat Room be by
Outer cover of heat exchanger and heat exchanger inner cylinder form passage of the cross section for annular, heat exchanger inner cylinder and outer cover of heat exchanger respectively with
Smoke inlet, exhaust opening connection, heat exchanger tube are arranged in Heat Room in the form of helix tube, and flue gas moves along Heat Room axis direction,
Contacted with the heat exchanger tube in Heat Room.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of flue gas waste heat recovery exchanger, and it is carried
The high heat absorption capacity of flue gas waste heat recovery exchanger, while the gas-heating water heater work thermal efficiency is ensured, subtracts significantly
Few stainless steel materials, reduce cost.
To achieve these goals, the utility model provides a kind of flue gas waste heat recovery exchanger, including：
Housing；
Air inlet and exhaust outlet, air inlet and exhaust outlet are respectively arranged on housing；
Heat exchanger, heat exchanger include fixed panel, heat exchange runner and heat-conducting layer, fixed panel respectively with heat exchange runner and shell
Body connects；Heat exchange runner is located in the inner chamber of housing；Heat-conducting layer is coated on the outer surface of heat exchange runner；
Water inlet and delivery port, water inlet and delivery port are respectively arranged on fixed panel, water inlet and delivery port difference
It is connected with heat exchange runner.
In the utility model, the function of housing is to collect flue gas and condensed water, and abundant heat exchange is provided for flue gas and heat exchanger
Place；Flue gas is entered by air inlet in the inner chamber of housing, and heat-conducting layer and heat exchange runner heat exchange, and is arranged from exhaust outlet
Go out；Heating water enters inside heat exchange runner from water inlet, heat exchange is carried out with heat exchange runner, so as to realize the heat on flue gas
Transmit into heating water；Heating water after heating is discharged from delivery port.
In the utility model, housing is sealed with heat exchanger by silica gel sealing ring.
Compared with prior art, flue gas waste heat recovery exchanger provided by the utility model, passes through the table in heat exchange runner
Face sets heat-conducting layer, improves the heat absorption capacity of flue gas heat exchange runner, and then substantially increases flue gas waste heat recovery and ensureing to fire
While the gas water heater for heating work thermal efficiency, greatly reduce stainless steel materials, reduce cost.
According to another embodiment of the utility model, housing is provided with locating slot, and locating slot is corresponded on fixed panel
Provided with through hole.
In the utility model, the locating slot of housing and the through hole of fixed panel are fixed by screw.
According to another embodiment of the utility model, fixed panel welds with heat exchange runner.
According to another embodiment of the utility model, heat exchange runner includes some pipelines, and some pipelines are arranged in array
Cloth.
In the utility model, due in each one layer of heat-conducting layer of pipeline outer cladding, substantially increasing the heat absorption efficiency of pipeline,
So that the number of pipeline is largely reduced, the use of stainless steel material is saved, has reduced cost.
According to another embodiment of the utility model, heat-conducting layer is consistent with the number of pipeline, and is correspondingly arranged.
According to another embodiment of the utility model, heat-conducting layer is the heat-conducting layer made of far infrared graphene.
According to another embodiment of the utility model, housing includes side wall and bottom wall, air inlet and exhaust outlet difference
It is arranged in side wall.
According to another embodiment of the utility model, flue gas waste heat recovery exchanger further comprises that condensed water is discharged
Mouthful, condensed water discharge outlet is arranged at the bottom of side wall.
According to another embodiment of the utility model, flue gas waste heat recovery exchanger further comprises that condensed water is discharged
Mouthful, condensed water discharge outlet is arranged at the bottom of side wall.
According to another embodiment of the utility model, the flue gas waste heat recovery exchanger further comprises that flue gas is kept off
Plate, the gas baffle are arranged in the inner chamber of the housing.
In the utility model, gas baffle adds flue gas flow, improves heat exchange efficiency.
Compared with prior art, the utility model possesses following beneficial effect：Set up on the pipeline of heat exchange runner remote red
Outer graphite ene coatings, strengthen its exchange capability of heat, substitute in the prior art by way of setting heat exchange fin to be exchanged heat, effectively
The use of stainless steel material is reduced, greatly reduces product material cost；Internal drag is also reduced simultaneously, optimizes the heat exchange of system
Effect, the power of fan of gas-heating water heater is reduced, so as to effectively reduce the operation sound of gas-heating water heater product.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Brief description of the drawings
Fig. 1 is the structural representation of flue gas waste heat recovery exchanger in embodiment 1；
Fig. 2 is the explosive view of flue gas waste heat recovery exchanger in embodiment 1.
Embodiment
Embodiment 1
It is the structural representation for the flue gas waste heat recovery exchanger that the present embodiment provides referring to Fig. 1.The flue gas waste heat recovery
Exchanger includes：Housing 1, air inlet 2, exhaust outlet 3, heat exchanger 4, water inlet 5, delivery port 6, condensed water discharge outlet 7 and flue gas
Baffle plate 8.
Wherein, housing 1 includes side wall 11 and bottom wall (not shown), and side wall 11 and bottom wall (not shown) surround the interior of housing 1
Chamber 13.
Air inlet 2 and exhaust outlet 3 are respectively arranged in the side wall 11 of the housing 1.
Heat exchanger 4 includes fixed panel 41, heat exchange runner 42 and heat-conducting layer 43；Fixed panel 41 welds with heat exchange runner 42
Connect；Housing 1 is provided with locating slot, and locating slot is corresponded on fixed panel 41 and is provided with through hole, the locating slot and fixed panel 41 of housing 1
Through hole fixed by screw.
Heat exchange runner 42 is located in the inner chamber 13 of housing 1, and heat exchange runner 42 includes some pipelines 421, and some pipelines 421 are in
Array arrangement, one layer of heat-conducting layer 43 of each 421 outer cladding of pipeline.
Heat-conducting layer 43 is coated on the outer surface of heat exchange runner 42, and heat-conducting layer 43 is consistent with the number of pipeline 421, and correspondingly sets
Put.
In the present embodiment, heat-conducting layer 43 is the heat-conducting layer 43 made of far infrared graphene.
Water inlet 5 and delivery port 6 are respectively arranged on fixed panel 41, water inlet 5 and delivery port 6 respectively with heat exchange runner
42 are connected.
Condensed water discharge outlet 7 is arranged at the bottom of side wall 11, and condensed water discharge outlet 7 is used to discharge in time to be produced in heat transfer process
Raw condensed water.
Gas baffle 8 is arranged in the inner chamber 13 of the housing 1；Gas baffle 8 adds flue gas flow, improves heat exchange
Efficiency.
The course of work for the flue gas waste heat recovery exchanger that the present embodiment provides is as follows：
1st, flue gas is entered by air inlet 2 in the inner chamber 13 of housing 1, and heat-conducting layer 43 and the heat exchange of heat exchange runner 42, and
Discharged from exhaust outlet 3；Heating water enters inside heat exchange runner 42 from water inlet 5, heat exchange is carried out with heat exchange runner 42, so as to real
Now by the heat transmission on flue gas into heating water；Heating water after heating is discharged from delivery port 6.
2nd, caused condensed water is discharged from condensed water discharge outlet 7 in heat transfer process.
The flue gas waste heat recovery exchanger that the present embodiment provides, it is remote red by being set up on the pipeline 421 of heat exchange runner 42
Outer graphite ene coatings, strengthen its exchange capability of heat, substitute in the prior art by way of setting heat exchange fin to be exchanged heat, effectively
The use of stainless steel material is reduced, greatly reduces product material cost；Internal drag is also reduced simultaneously, optimizes the heat exchange of system
Effect, the power of fan of gas-heating water heater is reduced, so as to effectively reduce the operation sound of gas-heating water heater product；
The stainless steel of the flue gas waste heat recovery exchanger of heat-conducting layer 43 is not used to use weight as 2.1 kilograms, the cigarette that the present embodiment provides
The stainless steel of gas waste heat recovery exchanger is 1.32 kilograms using weight, it is possible to reduce the use of 0.78 kilogram of SUS304 stainless steels
Material.
Although the utility model is disclosed above with preferred embodiment, the model of the utility model implementation is not limited to
Enclose.Any one of ordinary skill in the art, do not departing from invention scope of the present utility model, when a little improvement can be made,
I.e. every equal improvement done according to the utility model, should be the scope of the utility model and is covered.
Claims (9)
- A kind of 1. flue gas waste heat recovery exchanger, it is characterised in that including：Housing；Air inlet and exhaust outlet, the air inlet and the exhaust outlet are respectively arranged on the housing；Heat exchanger, the heat exchanger include fixed panel, heat exchange runner and heat-conducting layer, the fixed panel respectively with the heat exchange Runner connects with the housing；The heat exchange runner is located in the inner chamber of the housing；The heat-conducting layer is coated on the heat exchange The outer surface of runner；Water inlet and delivery port, the water inlet and the delivery port are respectively arranged on the fixed panel, the water inlet It is connected respectively with the heat exchange runner with the delivery port.
- 2. flue gas waste heat recovery exchanger as claimed in claim 1, it is characterised in that the housing is provided with locating slot, institute State and the locating slot is corresponded on fixed panel be provided with through hole.
- 3. flue gas waste heat recovery exchanger as claimed in claim 2, it is characterised in that the fixed panel flows with the heat exchange Weld in road.
- 4. flue gas waste heat recovery exchanger as claimed in claim 3, it is characterised in that if the heat exchange runner includes main Road, some pipelines are arranged in array.
- 5. flue gas waste heat recovery exchanger as claimed in claim 4, it is characterised in that the number of the heat-conducting layer and the pipeline Mesh is consistent, and is correspondingly arranged.
- 6. the flue gas waste heat recovery exchanger as described in claim any one of 1-5, it is characterised in that the heat-conducting layer is served as reasons Heat-conducting layer made of far infrared graphene.
- 7. flue gas waste heat recovery exchanger as claimed in claim 6, it is characterised in that the housing includes side wall and bottom wall, The air inlet and the exhaust outlet are respectively arranged in the side wall.
- 8. flue gas waste heat recovery exchanger as claimed in claim 7, it is characterised in that the flue gas waste heat recovery exchanger enters One step includes condensed water discharge outlet, and the condensed water discharge outlet is arranged at the bottom of the side wall.
- 9. flue gas waste heat recovery exchanger as claimed in claim 8, it is characterised in that the flue gas waste heat recovery exchanger enters One step includes gas baffle, and the gas baffle is arranged in the inner chamber of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062709.XU CN207196950U (en) | 2017-08-23 | 2017-08-23 | A kind of flue gas waste heat recovery exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062709.XU CN207196950U (en) | 2017-08-23 | 2017-08-23 | A kind of flue gas waste heat recovery exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207196950U true CN207196950U (en) | 2018-04-06 |
Family
ID=61794950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721062709.XU Active CN207196950U (en) | 2017-08-23 | 2017-08-23 | A kind of flue gas waste heat recovery exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207196950U (en) |
-
2017
- 2017-08-23 CN CN201721062709.XU patent/CN207196950U/en active Active
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