CN207196907U - Burnt gas wall hanging furnace - Google Patents

Burnt gas wall hanging furnace Download PDF

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Publication number
CN207196907U
CN207196907U CN201720833297.9U CN201720833297U CN207196907U CN 207196907 U CN207196907 U CN 207196907U CN 201720833297 U CN201720833297 U CN 201720833297U CN 207196907 U CN207196907 U CN 207196907U
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CN
China
Prior art keywords
fume collecting
exhaust fume
collecting hood
heat exchanger
water
Prior art date
Application number
CN201720833297.9U
Other languages
Chinese (zh)
Inventor
汪俊勇
熊建国
罗智越
梁友新
袁明征
Original Assignee
珠海格力电器股份有限公司
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Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to CN201720833297.9U priority Critical patent/CN207196907U/en
Application granted granted Critical
Publication of CN207196907U publication Critical patent/CN207196907U/en

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Abstract

The utility model discloses a kind of burnt gas wall hanging furnace, including:Combustion chamber and the exhaust fume collecting hood component for being located at above-mentioned top of combustion chamber, the exhaust fume collecting hood component comprise at least two exhaust fume collecting hoods, heat-insulation chamber are provided between two exhaust fume collecting hoods.Burnt gas wall hanging furnace exhaust fume collecting hood component of the present utility model uses sandwich construction, and it is additionally provided with heat-insulation chamber among adjacent exhaust fume collecting hood, design is thermally shielded using multilayer exhaust fume collecting hood, the cold air that smoke-exhaust pipeline is drawn back is effectively isolated, the exhaust fume collecting hood temperature of high temperature will not be reduced, so it is possible to prevente effectively from the flue gas after combustion heat-exchange will not run into cold exhaust fume collecting hood and produce condensed water and condensation, prevent that the parts on heat exchanger and combustor are corroded, extend life of product.

Description

Burnt gas wall hanging furnace
Technical field
It the utility model is related to wall-hung boiler technical field, and in particular to a kind of burnt gas wall hanging furnace.
Background technology
Burnt gas wall hanging furnace industry development is very swift and violent, and many producers are continuously increased main heat exchanger to pursue high thermal efficiency Size, cause flue gas exhaust gas temperature excessively low, finally in exhaust fume collecting hood condensation, this with corrosive condensing drip fall on heat exchanger and Cause to corrode on burner, directly threaten the life-span of product, when burnt gas wall hanging furnace burns in winter small fire, after heat exchange Flue-gas temperature it is relatively relatively low, when smoke pipe draw back come cool ambient air can first pass around outside exhaust fume collecting hood, the temperature of exhaust fume collecting hood Degree reduces, but the flue gas of the relatively low cigarette temperature to have been exchanged heat after burning by main heat exchanger will also pass through and blower fan is extracted into inside exhaust fume collecting hood In, cause flue gas (the natural gas main component methane CH with a large amount of vapor4, combustion product CO2With water H2O, and nitrogen oxidation Thing etc.) direct generation condensed water after cold exhaust fume collecting hood is run into, this condensed water directly drops onto heat exchanger and combustor with acidity On carry out causing parts to corrode, influence life of product.
Utility model content
In order to solve the above-mentioned technical problem, the utility model discloses a kind of burnt gas wall hanging furnace, solves burnt gas wall hanging furnace The problem of condensed water is produced at exhaust fume collecting hood.
The utility model discloses a kind of burnt gas wall hanging furnace, including:Combustion chamber and the collection for being located at above-mentioned top of combustion chamber Petticoat pipe component, the exhaust fume collecting hood component comprise at least two exhaust fume collecting hoods, heat-insulation chamber are provided between two exhaust fume collecting hoods.
Further, the exhaust fume collecting hood component includes the exhaust fume collecting hood of three and more than three, adjacent two exhaust fume collecting hoods it Between be provided with heat-insulation chamber.
Further, the exhaust fume collecting hood component includes:The first exhaust fume collecting hood and the second exhaust fume collecting hood being arranged side by side, described first Exhaust fume collecting hood is arranged on the side that second exhaust fume collecting hood deviates from the combustion chamber.
Further, in addition to the burner and First Heat Exchanger that are arranged in the combustion chamber, the burner are set Below the First Heat Exchanger, second exhaust fume collecting hood is arranged on the top of the First Heat Exchanger.
Further, the exhaust fume collecting hood component also includes smoke exhaust pipe, and the smoke exhaust pipe has smoke-exhaust pipeline, the smoke exhaust pipe Both ends be connected respectively with first exhaust fume collecting hood and second exhaust fume collecting hood, the tube wall of the smoke exhaust pipe with described first collection cigarette Cover and second exhaust fume collecting hood surround the closed heat-insulation chamber.
Further, the burnt gas wall hanging furnace also includes the second heat exchanger, and second heat exchanger includes:Smoke box is led, institute State and lead smoke box and connected with the smoke-exhaust pipeline, it is described to lead smoke box and ft connection;Second heat exchanger tube, the second heat exchanger tube installation Led described in smoke box, and second heat exchanger tube concatenates with First Heat Exchanger, the water inlet end and water source of second heat exchanger tube Connection.
Further, the burnt gas wall hanging furnace also includes:Blower fan, the blower fan are arranged on exhaust fume collecting hood component, and described The air inlet of blower fan connects with the smoke-exhaust pipeline, the air outlet and ft connection of the blower fan.
Further, the burnt gas wall hanging furnace also includes:Plate type heat exchanger and water pump;The plate type heat exchanger is provided with heat Water water inlet end and hot water effluent end, the hot water water inlet end are connected with the water side of the First Heat Exchanger, the hot water effluent End is connected with the water inlet end of water pump, and the water side of the water pump and the water inlet end of First Heat Exchanger connect.
Further, in addition to electric T-shaped valve, the electric T-shaped valve first end and the First Heat Exchanger water side Connection, the second end are connected with the hot water water inlet end of the plate type heat exchanger.
Further, in addition to expansion drum and four-way, the first end of the threeway be connected with expansion drum, the second end and hot water Water side connection, the 3rd end are connected with water pump inlet.
Burnt gas wall hanging furnace exhaust fume collecting hood component of the present utility model uses sandwich construction, and is additionally provided among adjacent exhaust fume collecting hood Heat-insulation chamber, i.e., design is thermally shielded using multilayer exhaust fume collecting hood, the cold air that smoke-exhaust pipeline is drawn back is effectively isolated, will not be The exhaust fume collecting hood temperature of high temperature reduces, so it is possible to prevente effectively from the flue gas after combustion heat-exchange will not run into cold exhaust fume collecting hood and produce cold Condensate and condensation, prevent that the parts on heat exchanger and combustor are corroded, and extend life of product.
Brief description of the drawings
Fig. 1 is the burnt gas wall hanging furnace structural representation of the utility model embodiment;
Fig. 2 is the exhaust fume collecting hood component structure diagram of the utility model embodiment;
Legend:1st, combustion chamber;2nd, burner;3rd, First Heat Exchanger;4th, exhaust fume collecting hood component;41st, the first exhaust fume collecting hood;42nd, Two exhaust fume collecting hoods;43rd, heat-insulation chamber;44th, smoke exhaust pipe;5th, the second heat exchanger;51st, smoke box is led;52nd, the second heat exchanger tube;6th, blower fan;7th, plate Formula heat exchanger;71st, hot water water inlet end;72nd, hot water effluent end;8th, water pump;9th, electric T-shaped valve;10th, expansion drum.
Embodiment
The utility model is described further with reference to embodiment, but is not limited to the content on specification.
As shown in figure 1, the utility model discloses a kind of burnt gas wall hanging furnace, including:Combustion chamber 1 and it is located at above-mentioned burning The exhaust fume collecting hood component 4 at the top of room 1, the exhaust fume collecting hood component 4 comprise at least two exhaust fume collecting hoods, set between two exhaust fume collecting hoods There is heat-insulation chamber 43.The utility model is provided with exhaust fume collecting hood component 4 at the top of combustion chamber 1 of burnt gas wall hanging furnace, is burnt in combustion chamber 1 The high-temperature flue gas of the caused a large amount of vapor of band is assembled by exhaust fume collecting hood component 4, because exhaust fume collecting hood component 4 at least two collects cigarette Cover, one in two exhaust fume collecting hoods causes temperature higher due to being contacted with high-temperature flue gas, and another exhaust fume collecting hood is due to by heat-insulated The isolation of chamber 43, temperature is relatively low, meanwhile, the cold air that the relatively low exhaust fume collecting hood of the temperature draws back smoke-exhaust pipeline carry out effectively every From, the higher exhaust fume collecting hood temperature of temperature will not be reduced, so it is possible to prevente effectively from the flue gas after combustion heat-exchange will not run into it is cold Exhaust fume collecting hood and produce condensed water and condensation, prevent that the parts on heat exchanger and combustor are corroded, extend life of product.
In the above-described embodiments, the exhaust fume collecting hood component 4 includes the exhaust fume collecting hood of three and more than three, adjacent two collection Heat-insulation chamber 43 is provided between petticoat pipe, by three and the exhaust fume collecting hood of more than three, and two adjacent exhaust fume collecting hoods it Between set heat-insulation chamber 43 so that the effect of heat insulation of exhaust fume collecting hood component 4 is more preferable, preferably prevent the generation of condensed water.
In the above-described embodiments, the exhaust fume collecting hood component 4 includes:The first exhaust fume collecting hood 41 being arranged side by side and the second exhaust fume collecting hood 42, first exhaust fume collecting hood 41 is arranged on the side that second exhaust fume collecting hood 42 deviates from the combustion chamber 1, the burnt gas wall hanging furnace Also include the burner 2 and First Heat Exchanger 3 being arranged in the combustion chamber 1, the burner 2 is arranged on first heat exchange The lower section of device 3, second exhaust fume collecting hood 42 are arranged on the top of the First Heat Exchanger 3.
Burnt gas wall hanging furnace is formed using two layers of exhaust fume collecting hood, between being left between the first exhaust fume collecting hood 41 and the second exhaust fume collecting hood 42 necessarily Away from formation heat-insulation chamber 43, first layer exhaust fume collecting hood is exposed at return air (low temperature side), and second layer exhaust fume collecting hood is ensconced straight below first layer Connect and contacted with high-temperature flue gas, two layers of exhaust fume collecting hood is thermally shielded using the air thermal resistance in middle heat-insulation chamber 43, flue gas no longer with The cold exhaust fume collecting hood contact of first layer at return air, effectively can carry out heat insula tion from the mechanism for producing condensed water, equivalent to The flue gas containing a large amount of vapor after burning directly with cold air isolation processing, it is possible to prevente effectively from being produced near exhaust fume collecting hood Condensed water, prevent the parts on heat exchanger and combustor to be corroded, extend life of product.
In the embodiment described in Fig. 2, the exhaust fume collecting hood component 4 also includes smoke exhaust pipe 44, and the smoke exhaust pipe has smoke evacuation Pipeline, the both ends of the smoke exhaust pipe 44 are connected with first exhaust fume collecting hood 41 and second exhaust fume collecting hood 42 respectively, the smoke evacuation The tube wall of pipe 44 surrounds the closed heat-insulation chamber 43 with first exhaust fume collecting hood 41 and second exhaust fume collecting hood 42, passes through smoke evacuation High-temperature flue gas in combustion chamber 1 can be expelled directly out by pipe 44, meanwhile, smoke exhaust pipe 44 also closes heat-insulation chamber 43, prevents high temperature Flue gas enters in heat-insulation chamber 43, effectively prevents the first exhaust fume collecting hood 41 from heating up, and then plays and avoid producing condensed water, and extending product makes Use the life-span.
In the above-described embodiments, the burnt gas wall hanging furnace also includes:Second heat exchanger 5, second heat exchanger 5 include leading The heat exchanger tube 52 of smoke box 51 and second;The device of second heat exchanger tube 52 is led in smoke box 51 described, and second heat exchanger tube 52 Concatenated with First Heat Exchanger 3, the water inlet end of second heat exchanger tube 52 is connected with water source;It is described to lead the bottom of smoke box 51 and the row Mouth connects, described to lead the top of smoke box 51 and ft connection.Pass through the bottom that will lead smoke box 51 and the exhaust opening of exhaust fume collecting hood component 4 Connection, first pass through high-temperature flue gas and lead smoke box 51 and be then exhausted to the outside of burnt gas wall hanging furnace, high-temperature flue gas is by leading smoke box 51 When, heat exchange is carried out with the second heat exchanger tube 52, and the water in the second heat exchanger tube 52 is heated, so as to reach pre-warmed purpose, On the one hand the waste heat in high-temperature flue gas can be reclaimed, this partial heat is used for the preheating to water, reaches the mesh of energy-saving and emission-reduction , it is more environmentally-friendly.
In the embodiment shown in Figure 2, burnt gas wall hanging furnace also includes:Blower fan 6, the blower fan 6 are arranged on the first exhaust fume collecting hood On 41, and the air inlet of the blower fan 6 connects with the exhaust opening, the air outlet and ft connection of the blower fan 6.By by wind Machine 6 is arranged on the first exhaust fume collecting hood 41, and blower fan 6 directly extracts the high-temperature flue gas after the completion of burning out, on the one hand makes flue gas no longer Contacted with the cold exhaust fume collecting hood of the first layer at return air, effectively can carry out heat insula tion from the mechanism for producing condensed water, effectively Avoid producing condensed water near exhaust fume collecting hood;On the other hand, smoke exhaust efficiency is improved, and prevents flue gas for a long time in combustion chamber 1 Middle aggregation, it is safer.
The burnt gas wall hanging furnace also includes:Plate type heat exchanger 7, water pump 8;The plate type heat exchanger 7 is provided with hot water water inlet End 71, hot water effluent end 72, with water water inlet end and water water side is used, the hot water water inlet end 71 and the First Heat Exchanger 3 Water side is connected, and the hot water effluent end 72 is connected with the water inlet end of water pump 8, and domestic water terminates to board-like by using water water inlet Heat exchanger 7, hot water after the heating of plate type heat exchanger 7 directly from water water side out for life bath, when there is life During hot water demand, electric T-shaped valve 9 is commutated, and the hot water that First Heat Exchanger 3 comes out is switched in plate type heat exchanger 7 and running water Exchanged heat, the running water after being heated is flowed directly out for life bath.
The water side of the water pump 8 is connected with the water inlet end of First Heat Exchanger 3, and the water pump 8 is used to provide system reclaimed water The power of flow circuit, such as when there is heating demand, the main heat exchanger that the water of heating terminal is pumped into wall-hung boiler by water pump 8 is added Heat, the hot water after heating flow out to heating terminal heat exchange by triple valve.Also include electric T-shaped valve 9, expansion drum 10 and four-way, The first end of electric T-shaped valve 9 is connected with the water side of First Heat Exchanger 3, the heat of the second end and the plate type heat exchanger 7 Water water inlet end 71 is connected, the 3rd end is connected with heating hot water outlet pipe, and the first end of the four-way is connected with expansion drum 10, second End is connected with hot water effluent end 72, the 3rd end is connected with the water inlet end of water pump 8, the 4th end is connected with heating return pipe, the expansion Tank 10 is used to avoid pressure oscillation, because the water in heating system is sealing recirculated water, when running heating heating or shutting down Water system, which exists, expands with heat and contract with cold, and carries out systems stabilisation pressure by expansion drum 10, avoids water pressure fluctuations.
Burnt gas wall hanging furnace of the present utility model uses sandwich construction using exhaust fume collecting hood component 4, and among adjacent exhaust fume collecting hood Be additionally provided with heat-insulation chamber 43, i.e., design be thermally shielded using double-deck exhaust fume collecting hood, the cold air progress that smoke-exhaust pipeline is drawn back effectively every From the exhaust fume collecting hood temperature of high temperature will not being reduced, so it is possible to prevente effectively from the flue gas after combustion heat-exchange will not run into cold collection cigarette Cover and produce condensed water and condensation, prevent that the parts on heat exchanger and combustor are corroded, extend life of product.
Obviously, above-mentioned embodiment of the present utility model is only intended to clearly illustrate the utility model example, And it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, stated upper It can also be made other changes in different forms on the basis of bright.Here all embodiments can not be given thoroughly Lift.It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model Protection domain row.

Claims (10)

  1. A kind of 1. burnt gas wall hanging furnace, it is characterised in that including:Combustion chamber (1) and the collection cigarette being located at the top of above-mentioned combustion chamber (1) Shade assembly (4), the exhaust fume collecting hood component (4) comprise at least two exhaust fume collecting hoods, heat-insulation chamber are provided between two exhaust fume collecting hoods (43)。
  2. 2. burnt gas wall hanging furnace according to claim 1, it is characterised in that the exhaust fume collecting hood component (4) includes three and three Exhaust fume collecting hood more than individual, heat-insulation chamber (43) is provided between adjacent two exhaust fume collecting hoods.
  3. 3. burnt gas wall hanging furnace according to claim 1, it is characterised in that the exhaust fume collecting hood component (4) includes:It is arranged side by side The first exhaust fume collecting hood (41) and the second exhaust fume collecting hood (42), first exhaust fume collecting hood (41) is arranged on second exhaust fume collecting hood (42) back of the body From the side of the combustion chamber (1).
  4. 4. burnt gas wall hanging furnace according to claim 3, it is characterised in that also include being arranged in the combustion chamber (1) Burner (2) and First Heat Exchanger (3), the burner (2) are arranged on below the First Heat Exchanger (3), second collection Petticoat pipe (42) is arranged on the top of the First Heat Exchanger (3).
  5. 5. burnt gas wall hanging furnace according to claim 4, it is characterised in that the exhaust fume collecting hood component (4) also includes smoke exhaust pipe (44), the smoke exhaust pipe (44) has a smoke-exhaust pipeline, the both ends of the smoke exhaust pipe (44) respectively with first exhaust fume collecting hood (41) Connected with second exhaust fume collecting hood (42), the tube wall of the smoke exhaust pipe (44) and first exhaust fume collecting hood (41) and second collection Petticoat pipe (42) surrounds the closed heat-insulation chamber (43).
  6. 6. burnt gas wall hanging furnace according to claim 5, it is characterised in that the burnt gas wall hanging furnace also includes the second heat exchanger (5), second heat exchanger (5) includes:
    Smoke box (51) is led, the smoke box (51) of leading connects with the smoke-exhaust pipeline, described to lead smoke box (51) and ft connection;
    Second heat exchanger tube (52), second heat exchanger tube (52) is led in smoke box (51) installed in described, and second heat exchanger tube (52) concatenated with First Heat Exchanger (3), the water inlet end of second heat exchanger tube (52) is connected with water source.
  7. 7. burnt gas wall hanging furnace according to claim 5, it is characterised in that the burnt gas wall hanging furnace also includes:Blower fan (6), The blower fan (6) is arranged on exhaust fume collecting hood component (4), and the air inlet of the blower fan (6) connects with the smoke-exhaust pipeline, be described The air outlet and ft connection of blower fan (6).
  8. 8. burnt gas wall hanging furnace according to claim 4, it is characterised in that the burnt gas wall hanging furnace also includes:Plate-type heat-exchange Device (7) and water pump (8);
    The plate type heat exchanger (7) is provided with hot water water inlet end (71) and hot water effluent end (72), the hot water water inlet end (71) It is connected with the water side of the First Heat Exchanger (3), the hot water effluent end (72) is connected with the water inlet end of water pump (8), described The water side of water pump (8) is connected with the water inlet end of First Heat Exchanger (3).
  9. 9. burnt gas wall hanging furnace according to claim 8, it is characterised in that also including electric T-shaped valve (9), described electronic three Port valve (9) first end is connected with the First Heat Exchanger (3) water side, the second end and the hot water of the plate type heat exchanger (7) are entered Water end (W.E.) (71) connects.
  10. 10. burnt gas wall hanging furnace according to claim 8, it is characterised in that also including expansion drum (10) and four-way, described four Logical first end is connected with expansion drum (10), the second end is connected with hot water effluent end (72), the 3rd end and water pump (8) water inlet end connect Connect.
CN201720833297.9U 2017-07-10 2017-07-10 Burnt gas wall hanging furnace CN207196907U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720833297.9U CN207196907U (en) 2017-07-10 2017-07-10 Burnt gas wall hanging furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720833297.9U CN207196907U (en) 2017-07-10 2017-07-10 Burnt gas wall hanging furnace

Publications (1)

Publication Number Publication Date
CN207196907U true CN207196907U (en) 2018-04-06

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ID=61784662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720833297.9U CN207196907U (en) 2017-07-10 2017-07-10 Burnt gas wall hanging furnace

Country Status (1)

Country Link
CN (1) CN207196907U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594718A (en) * 2019-08-06 2019-12-20 张教敏 Steam generator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110594718A (en) * 2019-08-06 2019-12-20 张教敏 Steam generator

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