CN206113299U

CN206113299U - Heating water heater

Info

Publication number: CN206113299U
Application number: CN201621092971.4U
Authority: CN
Inventors: 赵曼; 徐立; 刘文乾
Original assignee: Beijing Qing Dongna Biondi Energy Equipment Co Ltd
Current assignee: Beijing Qing Dongna Biondi Energy Equipment Co Ltd
Priority date: 2016-09-29
Filing date: 2016-09-29
Publication date: 2017-04-19
Anticipated expiration: 2026-09-29

Abstract

The utility model discloses a heating water heater belongs to the water heater field, aims at providing a heating water heater, has the advantage according to carbon dioxide's in the combustion chamber the gaseous discharge velocity of content choke carbon dioxide, and its technical scheme main points are: the setting of heating heating pipe sets up in gas pipe fitting upper end in the combustion chamber, air feed system configuration is at gas pipe fitting lower extreme, the combustion chamber is equipped with the blast pipe outside extending the casing on the heating heating pipe, be equipped with annular fixing plate no. 1 on the blast pipe inner wall, annular fixing plate has seted up an upper end a plurality of exhaust holes no. 1, be equipped with cavity no. 1 in the annular fixing plate no. 1, the combustion chamber external fixation is equipped with the air -blower, the air outlet and a cavity intercommunication of air -blower, be equipped with control drum fan switch's carbon dioxide inductor in the combustion chamber.

Description

Water heater for heating

Technical field

This utility model is related to water heater field, more particularly to a kind of water heater for heating.

Background technology

Existing gas-heating water heater is heated mostly or using the heat exchanger of general fin tube structure by flame Heat is passed to heat exchanger tube by fin, so as to heat the water in heat exchanger tube.

The Chinese patent of Publication No. CN201715705U discloses a kind of full pre-mix condensing gas-heating water heater, bag Include housing and the gas heating system, heating water piping system and the bathing water piping system that are located in housing, gas heating system System includes burner, heat exchanger, smoke extractor and gas pipeline, heating water piping system include heating water pipe, backwater water pipe with And the expansion tank with the connection of backwater water pipe, bathing water piping system includes cold water water pipe and bathing water pipe, in heating water lines Plate type heat exchanger is additionally provided between system and cold water tube system, the burner is all-premixing burner, and the heat exchanger is Condensing heat exchanger, is additionally provided with condensate processor in housing.But mainly will combustion during smoke extractor smoke evacuation Gas produce carbon dioxide discharge, if the concentration of carbon dioxide is larger, smoke extractor can not the row's of control carbon dioxide speed Degree, and then when could not carbon dioxide entirety be discharged, carbon dioxide is just stuck in flame combustion chamber surrounding, causes air to supply Imperfect burning is caused to deficiency, even more so that burn-out.

Utility model content

The purpose of this utility model is to provide a kind of water heater for heating, with the content tune according to burning indoor carbon dioxide The advantage of section row's carbon dioxide mass rate of emission.

Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of water heater for heating, Including housing and heating water piping system, air feed system and the gas heating system being located in housing, the heating water pipe Road system includes heating water inlet pipe, heating outlet pipe and heating heating tube, the heating water inlet pipe and heating outlet pipe difference The two ends of heating heating tube are arranged on, the gas heating system includes combustor and is arranged on the Gas Pipe of bottom of combustion chamber Road accessory, the heating heating tube is arranged on burning interior and is arranged on gas pipeline accessory upper end, and the air feed system is arranged In gas pipeline accessory lower end, the combustor is provided with the exhaustor extended outside housing, the row in heating heating tube upper end Inner surface of trachea is provided with ring-type fixing plate one, and the upper end of the ring-type fixing plate one offers some steam vents one, and the annular is solid Cavity one is provided with fixed board one, the burning outdoor is fixed with aerator, and the air outlet of the aerator is connected with cavity one, The burning interior is provided with the carbon dioxide induction apparatuss of control blower switch.

Water is delivered in heating heating tube by adopting above-mentioned technical proposal, heating water inlet pipe, now gas pipeline is matched somebody with somebody Part by fuel gas transmission to interior of burning, and will heating heating tube in water heat, air feed system is arranged on into gas pipeline accessory Lower end, and then combustion gas is blown toward the direction of heating heating tube, beneficial to the water heating that gas heating system will heat in heating tube, enter And passing through heating outlet pipe derives hot water, in the process, the CO 2 waste gas that fuel gas buring is produced will be accumulated in burning Interior, when carbon dioxide gas content is few, carbon dioxide is discharged by exhaustor, with the continuation of burning, The indoor carbon dioxide of burning is persistently accumulated, when carbon dioxide induction apparatuss detect carbon dioxide content it is more when, carbon dioxide Induction apparatuss control blower opening is delivered to wind in the cavity one of ring-type fixing plate one, and into the wind in cavity one aerofluxuss are passed through Hole one blows out, because steam vent one is arranged on the upper end of ring-type fixing plate, and then by the carbon dioxide in exhaustor to exhaustor The air outlet blowout of upper end, accelerates the discharge of the carbon dioxide in exhaustor, right because the gas flow rate in exhaustor increases The indoor gas of burning produces suction, and then accelerates the flow velocity of the indoor gas that burn, and will be trapped in the indoor titanium dioxide of burning Carbon gas is discharged, and when carbon dioxide induction apparatuss sense carbon dioxide gas content reduction, control aerator stops operating, and enters And the carbon dioxide in exhaustor is discharged with natural speed so that water heater for heating can be according to burning indoor two The content of carbonoxide adjusts row's carbon dioxide mass rate of emission, reduces carbon dioxide accumulation in burning interior to fuel gas buring Affect.

This utility model is further arranged to：Steam vent one on the ring-type fixing plate one is along the center of ring-type fixing plate one Circumference array, the upper end of the ring-type fixing plate one is provided with and extend up to aerofluxuss tube hub and air outlet guide duct upward, The guide duct is disposed on steam vent one and connects with steam vent one.

By adopting above-mentioned technical proposal, by steam vent one along the center circumferential array of ring-type fixing plate one so that exhaustor Interior air-out is uniform, and the wind of blowout in steam vent one is transported to aerofluxuss tube hub by spaced guide duct on steam vent one, And guide duct is upwardly extended so that the velocity of discharge of the carbon dioxide at the top of exhaustor, and then cause the carbon dioxide gass of lower end Body is also quickly discharged, and increased the mass rate of emission of carbon dioxide in exhaustor.

This utility model is further arranged to：The upper end of the ring-type fixing plate one is provided with for reducing introduced contaminants by ring Shape fixed plate one enters the indoor drainage screen of burning.

Reduce introduced contaminants and combustion is entered by ring-type fixing plate one by adopting above-mentioned technical proposal, the setting of drainage screen Burn indoor, and then affect burning indoor cleaning degree.

This utility model is further arranged to：The gas outlet of the exhaustor is provided with horizontal guide pipe, the guide pipe Enlarging is provided with away from one end of exhaustor.

Reduce impurity and enter in exhaustor by adopting above-mentioned technical proposal, the laterally steering pipe of the gas outlet of exhaustor, The setting of enlarging increased the speed of carbon dioxide discharge, beneficial to the discharge of gas.

This utility model is further arranged to：The housing upper end is provided with the purifying box equipped with carbon-dioxide absorbent, institute State guide pipe and the purification pipe one for stretching into carbon-dioxide absorbent in purifying box is connected with the position of enlarging, the purifying box is provided with Running through in air vent, the air vent has purification pipe two.

By adopting above-mentioned technical proposal, when carbon dioxide is discharged from guide pipe, carbon dioxide is to ring Border has an impact, and then needs to be passed through purifying box, is absorbed the carbon dioxide in gas by carbon-dioxide absorbent, Reduction is discharged into the carbon dioxide in air, and purification pipe one is passed directly into gas in carbon-dioxide absorbent, improves net Change speed, purification pipe two discharges purified gas.

This utility model is further arranged to：The purification pipe two is provided with cooling gas check valve.

Reduce outside air and entered in purifying box by purification pipe two by adopting above-mentioned technical proposal, the setting of check valve And then cause carbon-dioxide absorbent to absorb the carbon dioxide in outside air, and then affect carbon-dioxide absorbent to absorb from combustion Burn the carbon dioxide of indoor discharge.

This utility model is further arranged to：The inwall of the ring-type fixing plate one is circumferentially uniformly provided with some connecting tubes, institute State connecting tube and be fixedly connected with ring-type fixing plate two away from one end of ring-type fixing plate one, the ring-type fixing plate two is interior to be provided with sky Chamber two, the connecting tube connection cavity two and cavity one, the connecting tube and the upper end of ring-type fixing plate two are equipped with steam vent two.

It is connected with ring-type fixing plate one by connecting tube by adopting above-mentioned technical proposal, ring-type fixing plate two, connecting tube Wind in cavity one is passed through in cavity two so that the wind in cavity two is discharged by the steam vent two on ring-type fixing plate two, And discharged by the steam vent two in connecting tube, the blowing area of carbon dioxide is increased, and then accelerate exhaustor The discharge of interior carbon dioxide.

This utility model is further arranged to：The ring-type fixing plate one is in the position of steam vent one, ring-type fixing plate two The cover plate of closed grate hole one and steam vent two is equipped with the position of steam vent two in the position of steam vent two and connecting tube, One end of the cover plate is hinged respectively with the hole wall of steam vent one and steam vent two, and is provided with torsion spring in the position being hinged.

By adopting above-mentioned technical proposal, the setting of cover plate when carbon dioxide gass scale of construction very little reduces carbon dioxide Gas is trapped in ring-type fixing plate one and ring-type fixing plate two, and when carbon dioxide content is higher, aerator is started working wind It is blown in ring-type fixing plate one and ring-type fixing plate two, and then by the cover plate on steam vent one and steam vent two to away from steam vent One and the direction of steam vent two blow, because cover plate one end is hinged, therefore cover plate will turn under the action of the forces of the wind around pin joint It is dynamic, and then torsion spring stretching two is had into elastic force, after carbon dioxide is discharged, aerator quits work, and now cover plate exists In the presence of torsion spring elastic force, will be to the direction movement near steam vent one and steam vent two, and then by steam vent one and steam vent Two closings.

This utility model is further arranged to：The cover plate is provided with rubber towards the side of steam vent one and steam vent two Pad.

By adopting above-mentioned technical proposal, the setting reduction cover plate of rubber blanket is in homing in the presence of torsion spring elastic force With ring-type fixing plate one and ring-type fixing plate two and connecting tube collision, cover sheet.

This utility model is further arranged to：It is provided between the inner walls and exhaustor and upwardly extends and be gradually reduced To the trapezoidal disposable box of exhaustor position.

By adopting the setting of above-mentioned technical proposal, disposable box the carbon dioxide of top of combustion chamber is enabled along collection The inwall of box and be gradually moved in exhaustor, reduce delay of the carbon dioxide in top of combustion chamber.

In sum, this utility model has the advantages that：When the carbon dioxide in exhaustor is more, two Blower is rotated and then will blown out on wind direction by the steam vent one of the upper end of ring-type fixing plate one by carbonoxide induction apparatuss, is entered And the discharge of the carbon dioxide of the upper end of ring-type fixing plate one is accelerated, when the carbon dioxide of the upper end of ring-type fixing plate one When being blown, the gas of the lower end of ring-type fixing plate one is also drawn onto the upper end of ring-type fixing plate one and is blown, when the two of burning interior When carbon oxide gas are less, carbon dioxide induction apparatuss stop operating aerator is controlled, and allow remaining carbon dioxide nature Discharge.

Description of the drawings

Fig. 1 is the structural representation of embodiment 1；

Fig. 2 is the dimensional structure diagram for embodying combustor of embodiment 1；

Fig. 3 is the internal structure schematic diagram for embodying combustor of embodiment 1；

Fig. 4 is the structural representation for embodying cover closure steam vent one and steam vent two of embodiment 1；

Fig. 5 is embodiment 1 for embodying the structural representation that steam vent one and steam vent two are opened；

Fig. 6 is the close-up schematic view in A portions in Fig. 5；

Fig. 7 is the structural representation of embodiment 2；

Fig. 8 is the internal structure schematic diagram for embodying purifying box of embodiment 2.

In figure, 1, housing；111st, heat water inlet pipe；112nd, heat outlet pipe；113rd, heat heating tube；12nd, air feed system； 13rd, gas heating system；131st, combustor；1311st, exhaustor；13111st, guide pipe；13112nd, enlarging；13113rd, purifying box； 13114th, pipe two is purified；13115th, check valve；13116th, pipe one is purified；13117th, air vent；13118th, carbon-dioxide absorbent； 1312nd, ring-type fixing plate one；13121st, drainage screen；13122nd, connecting tube；13123rd, ring-type fixing plate two；13124th, cavity two； 13125th, steam vent two；13126th, cover plate；131261st, rubber blanket；13127th, torsion spring；1313rd, steam vent one；1314th, cavity one； 1315th, aerator；1316th, carbon dioxide induction apparatuss；1317th, guide duct；1318th, disposable box；132nd, gas pipeline accessory.

Specific embodiment

This utility model is described in further detail below in conjunction with accompanying drawing.

Embodiment 1：A kind of water heater for heating, referring to figs. 1 to Fig. 3, including housing 1, heating water piping system, air feed system 12 and the gas heating system 13 that is arranged in housing 1, air feed system 12 will not be described here for prior art, gas heating System 13 includes combustor 131 and is arranged on the gas pipeline accessory 132 of the bottom of combustor 131, and burning pipe fitting is existing Technology will not be described here, and heating water piping system includes heating water inlet pipe 111, heating outlet pipe 112 and heating heating tube 113, heating heating tube 113 is arranged in combustor 131 and is arranged on the upper end of gas pipeline accessory 132, is easy to gas pipeline to match somebody with somebody The water that part 132 will heat in heating tube 113 is heated, and heating water inlet pipe 111 and heating outlet pipe 112 are separately positioned on the heating that heats The two ends of pipe 113, are respectively used to be input into the water that water to be heated is completed with output heating, and air feed system 12 is arranged on into Gas Pipe The lower end of road accessory 132, when combustion gas is lighted burning by gas pipeline accessory 132, air feed system 12 is by wind to heating heating tube 113 cause the flame of combustion gas to also extend to the heating tube 113 that heats, and are easy to combustion gas quickly by the water heating in heating heating tube 113.

With reference to Fig. 3 and Fig. 5, carbon dioxide can be produced when fuel gas buring, in order to discharge carbon dioxide, burning Room 131 is provided with the exhaustor 1311 extended outside housing 1 in heating heating tube 113 upper end, when carbon dioxide is accumulated in combustion Discharged by exhaustor 1311 when burning in room 131, as combustion gas burns away, carbon dioxide gradually increases, now exhaustor 1311 amount of carbon dioxide discharged are certain, when the carbon dioxide in combustor 131 is more fuel gas buring can be caused not fill Point, and then the heating of heating heating tube 113 is affected, therefore it is provided with ring-type fixing plate 1, ring on the inwall of exhaustor 1311 The upper end of shape fixed plate 1 offers some steam vents 1, and steam vent 1 is along the center circle of ring-type fixing plate 1 It is provided with all arrays, ring-type fixing plate 1 outside cavity 1, combustor 131 and is fixed with aerator 1315, by air blast The air outlet of machine 1315 is connected with cavity 1, and the dioxy of the control switch of aerator 1315 is now provided with combustor 131 Change carbon induction apparatuss 1316, when the combustion gas in carbon dioxide induction apparatuss 1316 sense combustor 131 is more, trigger aerator Aerator 1315 during 1315 switch leads to wind in cavity 1, and then is discharged wind by steam vent 1, now Wind is blown out upwards by steam vent 1, and then increased the stream of the carbon dioxide of the upper end of ring-type fixing plate 1 Speed so that carbon dioxide is quickly discharged exhaustor 1311.

With reference to Fig. 3 and Fig. 5, the upper end of ring-type fixing plate 1 is provided with to the center of exhaustor 1311 and extends up and air-out Mouth guide duct 1317 upward, guide duct 1317 is disposed on steam vent 1 and connects with steam vent 1, leads Airduct 1317 arranges the velocity of discharge of the carbon dioxide for accelerating the upper end of ring-type fixing plate 1；Due in exhaustor 1311 Gas is discharged, thus the gas of lower end also can be progressed in exhaustor 1311, and in order to reduce the top of combustor 131 is trapped in Carbon dioxide, therefore be provided between the inwall of housing 1 and exhaustor 1311 and upwardly extend and be gradually reduced to exhaustor The trapezoidal disposable box 1318 of 1311 positions, the upper end of ring-type fixing plate 1 is provided with fixed by annular for reducing introduced contaminants The drainage screen 13121 that plate 1 is entered in combustor 131, improves the cleannes in combustor 131.

With reference to Fig. 5, in order to further increase the velocity of discharge of carbon dioxide, therefore in ring-type fixing plate 1 Wall is circumferentially uniformly provided with some connecting tubes 13122, and connecting tube 13122 is fixedly connected with away from one end of ring-type fixing plate 1 Cavity 2 13124, the connection cavity two of connecting tube 13122 are provided with ring-type fixing plate 2 13123, ring-type fixing plate 2 13123 13124 and cavity 1, connecting tube 13122 and the upper end of ring-type fixing plate 2 13123 are equipped with steam vent 2 13125.

With reference to Fig. 4 and Fig. 5, when aerator 1315 is idle, carbon dioxide easily passes through steam vent 2 13125 Remain in ring-type fixing plate 2 13123 and ring-type fixing plate 1 with steam vent 1, therefore be trapped in reduce Carbon dioxide in ring-type fixing plate 1 and ring-type fixing plate 2 13123, ring-type fixing plate 1 is in steam vent One 1313 position, ring-type fixing plate 2 13123 is in the position of steam vent 2 13125 and connecting tube 13122 in steam vent two 13125 position is equipped with the cover plate 13126 of closed grate hole 1 and steam vent 2 13125, one end point of cover plate 13126 It is not hinged with the hole wall of steam vent 1 and steam vent 2 13125, and torsion spring 13127 is provided with the position being hinged（Such as Fig. 6）, Torsion spring 13127 is easy to the gas in ring-type fixing plate 1, ring-type fixing plate 2 13123 and connecting tube 13122 to cover Plate 13126 resets cover plate 13126 to after promoting away from steam vent 1 and the direction of steam vent 2 13125；Can also lead The air outlet of airduct 1317 arranges the cover plate 13126 of the closing air outlet of guide duct 1317；In addition in cover plate 13126 towards steam vent 1 and the side of steam vent 2 13125 be provided with rubber blanket 131261, reduce work of the cover plate 13126 in the elastic force of torsion spring 13127 Collided with ring-type fixing plate 1 and ring-type fixing plate 2 13123 and connecting tube 13122 with during lower homing, protection cap Plate 13126.

Specific operation process：Heating water inlet pipe 111 is delivered to water in heating heating tube 113, now gas pipeline accessory 132 by fuel gas transmission in combustor 131 and lighting, the water in heating heating tube 113 is heated, air feed system 12 is past by combustion gas The direction of heating heating tube 113 is blown, and the water that will be heated in heating tube 113 beneficial to gas heating system 13 is heated, in the process, The CO 2 waste gas that fuel gas buring is produced will be accumulated in combustor 131, when carbon dioxide gas content is few, two Carbon oxide gas are discharged by exhaustor 1311, and with the continuation of burning, the carbon dioxide in combustor 131 is persistently accumulated, when Carbon dioxide induction apparatuss 1316 detect carbon dioxide content it is more when, carbon dioxide induction apparatuss 1316 control aerator 1315 dozens Open and wind is delivered in the cavity 1 of ring-type fixing plate 1, cavity 1 conveys wind by connecting tube 13122 To cavity 2 13124, blown out by steam vent 1 into the wind in cavity 1, now by closed grate hole one 1313 cover plate 13126 blows to the direction away from steam vent 1, and then torsion spring 13127 is stretched and is had bullet Power, the wind into connecting tube 13122 and cavity 2 13124 is blown out by steam vent 2 13125, by closed grate hole 2 13125 Cover plate 13126 blow to the direction away from steam vent 2 13125, and then cause torsion spring 13127 be stretched and there is elastic force, from Steam vent 1 and the wind of the blowout of steam vent 2 13125 accelerate the discharge of the carbon dioxide in exhaustor 1311, due to row Gas flow rate in trachea 1311 increases, and to the gas in combustor 131 suction is produced, and then accelerates gas in combustor 131 The flow velocity of body, the carbon dioxide being trapped in combustor 131 is discharged, when carbon dioxide induction apparatuss 1316 sense dioxy When changing carbon gas content and reducing, control aerator 1315 stops operating, and cover plate 13126 is due to losing the work of the wind-force of aerator 1315 With and reset under the elastic force effect of torsion spring 13127, steam vent 1 and steam vent 2 13125 are closed, and then the row of causing Carbon dioxide in trachea 1311 is discharged with natural speed, and now water heater for heating can be according in combustor 131 two The content of carbonoxide adjusts row's carbon dioxide mass rate of emission, reduces carbon dioxide accumulation combustion gas is fired in combustor 131 The impact of burning.

Embodiment 2：A kind of water heater for heating, be with the difference of embodiment 1, with reference to Fig. 7 and Fig. 8, exhaustor 1311 gas outlet is provided with horizontal guide pipe 13111, reduces introduced contaminants and is entered in combustor 131 by exhaustor 1311, Enlarging 13112 is provided with away from one end of exhaustor 1311 in guide pipe 13111, the speed of carbon dioxide discharge is increased, Beneficial to the discharge of gas, the upper end of housing 1 is provided with the purifying box 13113 equipped with carbon-dioxide absorbent 13118, guide pipe 13111 The purification pipe 1 for stretching into carbon-dioxide absorbent 13118 in purifying box 13113 is connected with the position of enlarging 13112, only Change case 13113 and be provided with air vent 13117, through there is purification pipe 2 13114 in air vent 13117, when carbon dioxide is from leading When discharging into pipe 13111, the carbon dioxide in gas is absorbed by carbon-dioxide absorbent 13118, reduce discharge Carbon dioxide in air, purification pipe 1 is passed directly into gas in carbon-dioxide absorbent 13118, improves Purification speed, reduces the pollution of environment, and purification pipe 2 13114 is provided with cooling gas check valve 13115 so that gas can only be from purification Discharge in case 13113, and reduce outside air and titanium dioxide is entered in purifying box 13113 and then caused by purification pipe 2 13114 Absorbent carbon 13118 absorbs the carbon dioxide in outside air.

This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but As long as all being protected by Patent Law in right of the present utility model.

Claims

1. a kind of water heater for heating, including housing（1）And heating water piping system, air feed system（12）And it is located at housing （1）Interior gas heating system（13）, the heating water piping system is including the water inlet pipe that heats（111）, heating outlet pipe（112） And heating heating tube（113）, the heating water inlet pipe（111）With heating outlet pipe（112）It is separately positioned on heating heating tube （113）Two ends, it is characterised in that：The gas heating system（13）Including combustor（131）And it is arranged on combustor （131）The gas pipeline accessory of bottom（132）, the heating heating tube（113）It is arranged on combustor（131）It is interior and be arranged on combustion Feed channel accessory（132）Upper end, the air feed system（12）It is arranged on gas pipeline accessory（132）Lower end, the combustor （131）In heating heating tube（113）Upper end is provided with extends housing（1）Outer exhaustor（1311）, the exhaustor（1311） Inwall is provided with ring-type fixing plate one（1312）, the ring-type fixing plate one（1312）Upper end offers some steam vents one （1313）, the ring-type fixing plate one（1312）Inside it is provided with cavity one（1314）, the combustor（131）Air blast is fixed with outward Machine（1315）, the aerator（1315）Air outlet and cavity one（1314）Connection, the combustor（131）Inside it is provided with control Aerator（1315）The carbon dioxide induction apparatuss of switch（1316）.

2. water heater for heating according to claim 1, it is characterised in that：The ring-type fixing plate one（1312）On aerofluxuss Kong Yi（1313）Along ring-type fixing plate one（1312）Center circumferential array, the ring-type fixing plate one（1312）Upper end is provided with to row Trachea（1311）Center extends up and air outlet guide duct upward（1317）, the guide duct（1317）It is disposed on Steam vent one（1313）It is upper and with steam vent one（1313）Connection.

3. water heater for heating according to claim 2, it is characterised in that：The ring-type fixing plate one（1312）Upper end is provided with For reducing introduced contaminants by ring-type fixing plate one（1312）Into combustor（131）Interior drainage screen（13121）.

4. water heater for heating according to claim 1, it is characterised in that：The exhaustor（1311）Gas outlet be provided with horizontal stroke To guide pipe（13111）, the guide pipe（13111）Away from exhaustor（1311）One end be provided with enlarging（13112）.

5. water heater for heating according to claim 4, it is characterised in that：The housing（1）Upper end is provided with equipped with titanium dioxide Absorbent carbon（13118）Purifying box（13113）, the guide pipe（13111）In enlarging（13112）Position be connected with and stretch into Purifying box（13113）Interior carbon-dioxide absorbent（13118）Purification pipe one（13116）, the purifying box（13113）The row of being provided with QI KOU（13117）, the air vent（13117）It is interior through have purification pipe two（13114）.

6. water heater for heating according to claim 5, it is characterised in that：The purification pipe two（13114）It is provided with gas Check valve（13115）.

7. water heater for heating according to claim 1, it is characterised in that：The ring-type fixing plate one（1312）Inwall circumference It is uniformly provided with some connecting tubes（13122）, the connecting tube（13122）Away from ring-type fixing plate one（1312）One end fix connect It is connected to ring-type fixing plate two（13123）, the ring-type fixing plate two（13123）Inside it is provided with cavity two（13124）, the connecting tube （13122）Connection cavity two（13124）With cavity one（1314）, the connecting tube（13122）With ring-type fixing plate two（13123） Upper end is equipped with steam vent two（13125）.

8. water heater for heating according to claim 7, it is characterised in that：The ring-type fixing plate one（1312）In steam vent One（1313）Position, ring-type fixing plate two（13123）In steam vent two（13125）Position and connecting tube（13122） Steam vent two（13125）Position be equipped with closed grate hole one（1313）With steam vent two（13125）Cover plate（13126）, The cover plate（13126）One end respectively with steam vent one（1313）With steam vent two（13125）Hole wall be hinged, and be hinged Position be provided with torsion spring（13127）.

9. water heater for heating according to claim 8, it is characterised in that：The cover plate（13126）Towards steam vent one （1313）With steam vent two（13125）Side be provided with rubber blanket（131261）.

10. water heater for heating according to claim 1, it is characterised in that：The housing（1）Inwall and exhaustor（1311） Between be provided with and upwardly extend and be gradually reduced to exhaustor（1311）The trapezoidal disposable box of position（1318）.