CN204006682U - A kind of condensation-type gas-fired heating water heater - Google Patents
A kind of condensation-type gas-fired heating water heater Download PDFInfo
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- CN204006682U CN204006682U CN201420429442.3U CN201420429442U CN204006682U CN 204006682 U CN204006682 U CN 204006682U CN 201420429442 U CN201420429442 U CN 201420429442U CN 204006682 U CN204006682 U CN 204006682U
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- heat exchanger
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- heating water
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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]
Abstract
The utility model provides a kind of condensation-type gas-fired heating water heater, comprises casing, and is installed on the smoke evacuation seat at casing top; And the smoke exhaust pipe of smoke evacuation seat inner side is installed, and be installed on the speed-changing draught fan of casing upside, described speed-changing draught fan one side is provided with premixed device; And the heat exchanger being connected with premixed device pipeline, and the heating water outlet mouthpiece being connected by hot water outlet pipe with heat exchanger and domestic hot-water's water outlet mouthpiece; Described hot water outlet pipe's output is provided with magnetic valve; And the gas ratio valve of installing by Gas Pipe and premixed device; And be arranged on the fuel gas inlet interface of gas ratio valve below; Described heat exchanger below is connected with water circulating pump by cold water inlet; The exhaust opening of described heat exchanger and smoke exhaust pipe sealing are installed; Described heat exchanger bottom is provided with water collector; Described heat exchanger top is provided with ignition electrode; Condensation-type gas-fired heating water heater of the present utility model can guarantee that fuel combustion is abundant, the low and dynamical recuperation of heat utilization of pollutant effulent index.
Description
Technical field
The utility model relates to a kind of water heater for heating, is specifically related to a kind of condensation-type gas-fired heating water heater.
Background technology
Common wall-hung boiler is that people are to adopting the common name of the wall-hung boiler of ordinary combustion technology; This wall-hung boiler is to carry out work under the effect of proportioning burner (gas quantity is adjustable, intake is non-adjustable); Wall-hung boiler in working order under, combustion gas and new wind mixed combustion in proportion; Therefore, can reach the mixing ratio of completing combustion most important for wall-hung boiler; Wall-hung boiler is worked under the operating mode of the mixing ratio of this completing combustion, and efficiency of combustion is high, disposal of pollutants index is low; The drawback of common wall-hung boiler is exactly cannot reach constantly the mixing ratio of completing combustion due to combustion gas and air, and air coefficient is higher under the part heat load situation of wall-hung boiler; Common wall-hung boiler is under this working condition, and the thermal loss that flue gas is taken away is bigger than normal, and pollutant effulent index is higher, and the thermal efficiency is on the low side under part heat load situation; It is reported, domestic common wall-hung boiler product is conventionally in fully loaded situation, and the thermal efficiency is about 90%; In the situation that load is less, the thermal efficiency is being about 85%; This series products exhaust gas temperature is all more than 120 ℃; The main material of common wall-hung boiler mostly is copper and adds aluminium fin, and service life was at 10 years to 15 years; And in prior art, common wall-hung boiler is modified into wall-hung condensing gas furnace, and be the hot gas that traditional stove chimney is discharged, all by condenser system, recycle; Yet the wall-hung condensing gas furnace that only adds a retracting device at common wall hanging kiln gas is false condensation in industry theory, because just genuine full premixed condensed wall-hung boiler does not need to add retracting device, the heat exchanger of its ability is exactly a heat exchange recycling device.
Summary of the invention
(1) technical problem that will solve
For addressing the above problem, the utility model proposes a kind of condensation-type gas-fired heating water heater; Can guarantee that fuel combustion is abundant, the low and dynamical recuperation of heat utilization of pollutant effulent index.
(2) technical scheme
Condensation-type gas-fired heating water heater of the present utility model, comprises casing, and is installed on the smoke evacuation seat at casing top; And a smoke exhaust pipe for smoke evacuation seat inner side is installed, and be installed on the speed-changing draught fan of casing upside, and the premixed device of installing with speed-changing draught fan one side; And the heat exchanger being connected with premixed device pipeline, and the heating water outlet mouthpiece being connected by hot water outlet pipe with heat exchanger and domestic hot-water's water outlet mouthpiece; Described hot water outlet pipe's output is provided with magnetic valve; And the gas ratio valve of installing by Gas Pipe and premixed device; And be arranged on the fuel gas inlet interface of gas ratio valve below; Described heat exchanger below is connected with water circulating pump by cold water inlet; Described water circulating pump is connected with expansion tank by expansion tank tube connector; Described water circulating pump below is provided with heating water return interface and cold water interface; Between described cold water interface and domestic hot-water's water outlet mouthpiece, plate type heat exchanger is installed; On described hot water outlet pipe, temperature sensor is installed; The exhaust opening of described heat exchanger and smoke exhaust pipe sealing are installed; Described heat exchanger bottom is provided with water collector; Described heat exchanger top is provided with ignition electrode.
Preferably, described exhaust opening output is provided with flue-gas temperature probe.
Preferably, flame is also installed on described heat exchanger and detects pin, superhigh temperature protection probe and fire observation window.
Preferably, described speed-changing draught fan lower end is provided with muffler.
Preferably, on described expansion tank tube connector, mechanical pressure gauge is installed.
Preferably, between described cold water interface and water circulating pump, water compensating valve is installed.
Preferably, on described water circulating pump, be provided with pressure sensor and automatic decompression valve.
(3) beneficial effect
Compared with prior art, it has following beneficial effect to the utility model: condensation-type gas-fired heating water heater of the present utility model, and pressure adjusting can be carried out automatically in inside, and by the heat recovery in flue gas, the ratio that its combustion system is full premix regulates; The exhaust gas temperature of wall-hung condensing gas furnace is minimum drops to 40 ℃, and in flue gas, steam latent heat is substantially fully absorbed and utilizes, so the thermal efficiency can be greater than 100%, reaches as high as 109%.Burn more complete, make energy consumption very low, environmental protection index is very good; Be widely used in any heating system.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
1-speed-changing draught fan; 2-premixed device; 3-smoke exhaust pipe; 4-smoke pipe seat; 5-flame detects pin; 6-overtemperature prote probe; 7-heat exchanger; 8-hot water outlet pipe; 9-ignition electrode; 10-fire observation window; 11-Gas Pipe; 12-cold water inlet; 13-flue-gas temperature probe; 14-water collector; 15-gas ratio valve; 16 temperature sensors; 17-three-way solenoid valve; 18-plate type heat exchanger; 19-bathroom temperature sensor; 20-pressure sensor; 21-water compensating valve; 22-water circulating pump; 23-expansion tank tube connector; 24-mechanical pressure gauge; 25-automatic decompression valve; 26-muffler; 27-expansion tank; The A-water outlet mouthpiece that heats; C-domestic hot-water water outlet mouthpiece; F-cold water interface; R-heating water return interface; G-fuel gas inlet interface.
The specific embodiment
Condensation-type gas-fired heating water heater of the present utility model, as shown in Figure 1, comprises casing, and is installed on the smoke evacuation seat 4 at casing top; And the smoke exhaust pipe 3 of smoke evacuation seat 4 inner sides is installed, and be installed on the speed-changing draught fan 1 of casing upside, and the premixed device 2 of installing with speed-changing draught fan 1 one sides; And the heat exchanger 7 being connected with premixed device 2 pipelines, and the heating water outlet mouthpiece A being connected by hot water outlet pipe 8 with heat exchanger 7 and domestic hot-water's water outlet mouthpiece C; Described hot water outlet pipe's 8 outputs are provided with magnetic valve 17; And the gas ratio valve 15 of installing by Gas Pipe 11 and premixed device 2; And be arranged on the fuel gas inlet interface G of gas ratio valve 15 belows; Described heat exchanger 7 belows are connected with water circulating pump 22 by cold water inlet 12; Described water circulating pump 22 is connected with expansion tank 27 by expansion tank tube connector 23; Described water circulating pump 22 belows are provided with heating water return interface R and cold water interface F; Between described cold water interface F and domestic hot-water's water outlet mouthpiece C, plate type heat exchanger 18 is installed; The exhaust opening of described heat exchanger and smoke exhaust pipe 3 sealings are installed; Described heat exchanger 7 bottoms are provided with water collector 14; Described heat exchanger 7 tops are provided with ignition electrode 9.
Wherein, on described hot water outlet pipe 8, temperature sensor 16 is installed; Described domestic hot-water's water outlet mouthpiece C rear is provided with bathroom temperature sensor 19.The exhaust opening output of described heat exchanger is provided with flue-gas temperature probe 13.Flame is also installed on described heat exchanger and detects pin 5, superhigh temperature protection probe 6 and fire observation window 10.
Described speed-changing draught fan lower end is provided with muffler 26.On described expansion tank tube connector, mechanical pressure gauge 24 is installed.Between described cold water interface and water circulating pump, water compensating valve 21 is installed.On described water circulating pump, be provided with pressure sensor 20 and automatic decompression valve 25.
Heating water outlet mouthpiece A and heating water return interface R install by pipeline, form water ground heating system, and its supply water temperature is lower, generally 40 ℃～50 ℃ left and right.With respect to common wall-hung boiler, condensing type wall-mounted furnace can be more convenient, be more ideally combined with water floor heating.
By plate type heat exchanger, domestic hot-water's water outlet mouthpiece and cold water interface can be carried out to heat exchange, guarantee that its output hot water is not too boiling hot, also a part of heat is used for heating cold water simultaneously.
During work, by combustion gas being delivered to premixed device 2, after premixed device 2 fully regulates itself and air, deliver to heat exchanger 7 and carry out abundant combustion heat-exchange, cold water inputs to heat exchanger 7 by cold water inlet 12, heat exchanger 7 will arrive hot water delivery pipe 8 by delivery after the abundant heat exchange of heat, domestic hot-water and floor heating heat supply are provided, because air fully mixes in premixed device 2 with combustion gas, can guarantee then abundant, through heat exchanger 7, carry out after abundant heat exchange, guarantee that the flue-gas temperature of heat exchanger 7 outputs is lower; Can be well by the heat recovery in flue gas, guarantee that the exhaust gas temperature of wall-hung condensing gas furnace is minimum to drop to 40 ℃, in flue gas, steam latent heat is substantially fully absorbed and utilizes, so the thermal efficiency can be greater than 100%, reaches as high as 109%.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion by the described protection domain with claim.
Claims (7)
1. a condensation-type gas-fired heating water heater, comprises casing, and is installed on the smoke evacuation seat at casing top; And the smoke exhaust pipe of smoke evacuation seat inner side is installed, and be installed on the speed-changing draught fan of casing upside, it is characterized in that: described speed-changing draught fan one side is provided with premixed device; And the heat exchanger being connected with premixed device pipeline, and the heating water outlet mouthpiece being connected by hot water outlet pipe with heat exchanger and domestic hot-water's water outlet mouthpiece; Described hot water outlet pipe's output is provided with magnetic valve; And the gas ratio valve of installing by Gas Pipe and premixed device; And be arranged on the fuel gas inlet interface of gas ratio valve below; Described heat exchanger below is connected with water circulating pump by cold water inlet; Described water circulating pump is connected with expansion tank by expansion tank tube connector; Described water circulating pump below is provided with heating water return interface and cold water interface; Between described cold water interface and domestic hot-water's water outlet mouthpiece, plate type heat exchanger is installed; On described hot water outlet pipe, temperature sensor is installed; The exhaust opening of described heat exchanger and smoke exhaust pipe sealing are installed; Described heat exchanger bottom is provided with water collector; Described heat exchanger top is provided with ignition electrode.
2. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: described exhaust opening output is provided with flue-gas temperature probe.
3. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: flame is also installed on described heat exchanger and detects pin, superhigh temperature protection probe and fire observation window.
4. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: described speed-changing draught fan lower end is provided with muffler.
5. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: on described expansion tank tube connector, mechanical pressure gauge is installed.
6. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: between described cold water interface and water circulating pump, water compensating valve is installed.
7. condensation-type gas-fired heating water heater according to claim 1, is characterized in that: on described water circulating pump, be provided with pressure sensor and automatic decompression valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429442.3U CN204006682U (en) | 2014-07-31 | 2014-07-31 | A kind of condensation-type gas-fired heating water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429442.3U CN204006682U (en) | 2014-07-31 | 2014-07-31 | A kind of condensation-type gas-fired heating water heater |
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| CN204006682U true CN204006682U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420429442.3U Active CN204006682U (en) | 2014-07-31 | 2014-07-31 | A kind of condensation-type gas-fired heating water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913486A (en) * | 2015-06-09 | 2015-09-16 | 艾欧史密斯(中国)热水器有限公司 | Balance-type gas-fired hot water device |
-
2014
- 2014-07-31 CN CN201420429442.3U patent/CN204006682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913486A (en) * | 2015-06-09 | 2015-09-16 | 艾欧史密斯(中国)热水器有限公司 | Balance-type gas-fired hot water device |
| WO2016197902A1 (en) * | 2015-06-09 | 2016-12-15 | 艾欧史密斯(中国)热水器有限公司 | Balanced gas water heating device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021 the Ningxia Hui Autonomous Region Yinchuan Desheng Industrial Park Road, Hongqiao Patentee after: Yinchuan Industrial Science and technology development Limited by Share Ltd Address before: 750021 the Ningxia Hui Autonomous Region Yinchuan Desheng Industrial Park Road, Hongqiao Patentee before: Yinchuan Aini Industry and Technology Development Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |