CN2767901Y - Condensing type gas-fired quick water heater - Google Patents

Condensing type gas-fired quick water heater Download PDF

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Publication number
CN2767901Y
CN2767901Y CN 200420102484 CN200420102484U CN2767901Y CN 2767901 Y CN2767901 Y CN 2767901Y CN 200420102484 CN200420102484 CN 200420102484 CN 200420102484 U CN200420102484 U CN 200420102484U CN 2767901 Y CN2767901 Y CN 2767901Y
Authority
CN
China
Prior art keywords
heat exchanger
water heater
water
coil pipe
pipe
Prior art date
Application number
CN 200420102484
Other languages
Chinese (zh)
Inventor
胡定刚
Original Assignee
广东万家乐燃气具有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 广东万家乐燃气具有限公司 filed Critical 广东万家乐燃气具有限公司
Priority to CN 200420102484 priority Critical patent/CN2767901Y/en
Application granted granted Critical
Publication of CN2767901Y publication Critical patent/CN2767901Y/en

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Abstract

The utility model discloses a condensing type gas quick water heater, which comprises a gas combustion part, a heat exchanger, a waterway system, a smoke exhausting pipeline and a control system, wherein the gas combustion part comprises a combustor, an ignition device and a fan; the waterway system comprises a water pipe and a coil pipe; the control system comprises a gas proportional valve, a water valve and a controller. The gas combustion part is arranged on the upper part of the water heater; the combustor is in a reverse form, an opening of the fan faces downwards, namely the combustion modes of downward blast and downward flame of the fan can be realized. The heat exchanger is arranged below the combustor and is composed of a three-stage heat exchanger; the surfaces of the heat exchanger and the coil pipe are provided with protecting layers, and a condensed water neutralizing and treating device on the lower side of the coil pipe. The utility model has the characteristics of reasonable structure, good energy-saving effect, high heat efficiency and corrosion resistance.

Description

A kind of novel condensed type combustion gas fast water heater

Technical field

The utility model relates to a kind of water heater, especially relates to a kind of condensed type combustion gas fast water heater.

Background technology

The conventional common exhaust gas temperature of gas instantaneous water heater is higher, and wherein the heat more than 10% discharges away with flue gas, the waste heat in the flue gas can't be made full use of, so the thermal efficiency is lower, and energy-saving effect is relatively poor.As application number is 00202629, the applying date is on February 21st, 2000, denomination of invention is the patent of safe and efficient gas heater, comprise the water heater housing, heat exchanger housing, the combustion chamber, heat exchanger, the water temperature adjusting knob, exhaust emission tube, it is characterized in that: be provided with the hydraulic turbine in the exhaust emission tube, endothermic tube, endothermic tube one end links to each other with heat exchanger inlets, the other end and hydraulic turbine outlet are joined, the hydraulic turbine is provided with ventilating fan, hydraulic turbine import links to each other with water inlet pipe, the exhaust emission tube overcoat has air input pipe, exhaust emission tube, air input pipe one end respectively with heat exchanger housing, the water heater housing links to each other.This patent structure complexity, the cost height does not make full use of flue gas institute heat content, causes the waste of heat energy.

Summary of the invention

The purpose of this utility model provides a kind of good energy-conserving effect in order to solve above-mentioned deficiency exactly, and thermal efficiency height is rational in infrastructure, corrosion resistant condensed type combustion gas fast water heater.

The utility model is realized above-mentioned purpose by following technical proposals:

The utility model comprises fuel gas buring part, heat exchanger, water circuit system, smoke evacuation pipeline, control system, fuel gas buring partly comprises burner, igniter, blower fan, water circuit system comprises water pipe, coil pipe, control system comprises gas ratio valve, water valve, controller, and described fuel gas buring partly is arranged on the top of water heater; Burner is invert form, Open Side Down for blower fan, promptly realizes the downward air blast of blower fan, the downward combustion system of flame.

Described heat exchanger is arranged on the burner below, is made up of three-stage heat exchanger, i.e. first order heat exchanger, second level heat exchanger and coil pipe.Described heat exchanger and coil surface also scribble the protective layer that can prevent the condensate water acidic corrosion.Described coil pipe downside also is provided with condensed water neutralisation treatment device.

The utlity model has following advantage:

1, owing to adopt overall arrangement form, air blast down combustion system and three grades of heat exchange methods, exhaust gas temperature is reduced greatly, effectively raise the thermal efficiency, can improve more than 15% by the conventional gas instantaneous water heater thermal efficiency towards following formula; Oxious component also significantly reduces in the discharging flue gas.

2, the utility model compact conformation is reasonable, and cost is low; Heat exchanger and coil surface stopping off can prevent the sour corrosion of condensed water effectively.

3, the utility model also is provided with proportioning valve, water valve, can carry out water temperature control easily.

4, the utility model also is provided with condensed water collection, neutralisation treatment bleed unit, protects environment effectively.

Description of drawings

The utility model is described in further detail below in conjunction with the drawings and specific embodiments:

Fig. 1 is a structural principle schematic diagram of the present utility model.

Specific embodiment

As Fig. 1, the utility model comprises fuel gas buring part 1, water circuit system 2, smoke evacuation pipeline 3, control system 4, heat exchanger 6.Fuel gas buring part 1 is arranged on top of the present utility model, fuel gas buring part 1 comprises burner 1-1, igniter 1-2, blower fan 1-3, burner 1-1 is an invert form, and Open Side Down for blower fan 1-3, promptly realizes the downward air blast of blower fan 1-3, the downward combustion system of flame.

Water circuit system 2 comprises water pipe 2-2, water pipe 2-3 and coil pipe 2-1, and water pipe 2-2 is located in the first order heat exchanger 6-1, and water pipe 2-3 is located in the heat exchanger 6-2 of the second level, and coil pipe 2-1 is located at second level heat exchanger 6-2 below.

Heat exchanger 6 is arranged on burner 1-1 below, is made up of three-stage heat exchanger, i.e. first order heat exchanger 6-1, second level heat exchanger 6-2 and coil pipe 2-1.

Control system 4 comprises gas ratio valve 4-1, water valve 4-2, controller 4-3, and second level heat exchanger 6-2 and coil pipe 2-1 surface scribble the protective layer that can prevent the condensate water acidic corrosion.Coil pipe 2-1 downside is provided with condensed water collector groove and condensed water neutralisation treatment device 5.

Combustion gas enters proportioning valve 4-1, this proportioning valve has functions such as ratio adjusting, voltage stabilizing, enter the air mixing after-combustion that burner 1-1 and blower fan 1-3 produce then, flame burns downwards, the high-temperature flue gas that produces enters first order heat exchanger 6-1, carry out the heat exchange first time with water pipe 2-2, this moment, flue-gas temperature reached 200 ℃.Enter second level heat exchanger 6-2 again, carry out the heat exchange second time with water pipe 2-3, this moment, flue-gas temperature reached 40-60 ℃.Waste heat is through the further heat exchange of coil pipe 2-1, and the smoke evacuation pipeline is arranged on the inside portion of water heater, and the smoke evacuation BOP is communicated with the heat exchanger inner chamber, and the outlet of smoke evacuation pipeline is arranged on water heater top; Final low temperature flue gas is discharged into outdoor by smoke pipe.

Water circuit system is discharged through heating behind coil pipe 2-1, second level heat exchanger 6-2, the first order heat exchanger 6-1 after being regulated by water valve 4-2.

Condensed water produces at second level heat exchanger 6-2 and coil pipe 2-1 place, through being collected into neutralisation treatment device 5, is discharged into sewer after the neutralization.

Controller 4-3 contrasts the back by the air quantity of control blower fan 1-3 and the tolerance of proportioning valve 4-1 to the temperature of Inlet and outlet water with temperature is set, and adjusts the combusting firepower size, carries out the control of water temperature.

As from the foregoing, the utlity model has good energy-conserving effect, thermal efficiency height, rational in infrastructure, corrosion resistant characteristics.

Claims (6)

1, a kind of novel condensed type combustion gas fast water heater, comprise fuel gas buring part, heat exchanger, inlet and outlet pipe, smoke evacuation pipeline, control system, fuel gas buring partly comprises burner, igniter, blower fan, water circuit system comprises water pipe, coil pipe, control system comprises gas ratio valve, water valve, controller, it is characterized in that:
Described fuel gas buring partly is arranged on the top of water heater; Burner is the top that invert form, its blower fan are arranged on burner, and Open Side Down for it, promptly realizes the downward air blast of blower fan, the downward combustion system of flame.
2, novel condensed type combustion gas fast water heater according to claim 1 is characterized in that:
Described heat exchanger is arranged on the burner below, is made up of multi-stage heat-exchanger, and its afterbody heat exchanger is a coil pipe.
3, novel condensed type combustion gas fast water heater according to claim 2, it is characterized in that: described heat exchanger is three grades, i.e. first order heat exchanger, second level heat exchanger and coil pipe.
4, novel condensed type combustion gas fast water heater according to claim 1 is characterized in that: described heat exchanger and coil surface scribble the protective layer that can prevent the condensate water acidic corrosion.
5, novel condensed type combustion gas fast water heater according to claim 1, it is characterized in that: described coil pipe downside is provided with condensed water neutralisation treatment device.
6, novel condensed type combustion gas fast water heater according to claim 1, it is characterized in that: described smoke evacuation pipeline is arranged on the inside portion of water heater, and the smoke evacuation BOP is communicated with the heat exchanger inner chamber, and the outlet of smoke evacuation pipeline is arranged on water heater top.
CN 200420102484 2004-12-15 2004-12-15 Condensing type gas-fired quick water heater CN2767901Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420102484 CN2767901Y (en) 2004-12-15 2004-12-15 Condensing type gas-fired quick water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420102484 CN2767901Y (en) 2004-12-15 2004-12-15 Condensing type gas-fired quick water heater

Publications (1)

Publication Number Publication Date
CN2767901Y true CN2767901Y (en) 2006-03-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420102484 CN2767901Y (en) 2004-12-15 2004-12-15 Condensing type gas-fired quick water heater

Country Status (1)

Country Link
CN (1) CN2767901Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101726111A (en) * 2010-02-16 2010-06-09 刘为敏 Non-premixing inverted condensing gas water heater
WO2011063634A1 (en) * 2009-11-27 2011-06-03 广东诺科冷暖设备有限公司 Condensing-type heat exchanger with high efficiency
CN102095253A (en) * 2010-12-24 2011-06-15 广东万家乐燃气具有限公司 Condensation gas water heater auxiliary heating integral type heat pump water heater
CN101619888B (en) * 2009-06-05 2011-08-24 宁波圣莱达电器股份有限公司 Water storing device of electric water heater
CN109595786A (en) * 2018-10-17 2019-04-09 中山市恒乐电器有限公司 A kind of hot water facility
CN110454984A (en) * 2019-07-31 2019-11-15 华帝股份有限公司 A kind of control method and gas heater of constant temp gas water heater

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101619888B (en) * 2009-06-05 2011-08-24 宁波圣莱达电器股份有限公司 Water storing device of electric water heater
WO2011063634A1 (en) * 2009-11-27 2011-06-03 广东诺科冷暖设备有限公司 Condensing-type heat exchanger with high efficiency
CN101726111A (en) * 2010-02-16 2010-06-09 刘为敏 Non-premixing inverted condensing gas water heater
CN102095253A (en) * 2010-12-24 2011-06-15 广东万家乐燃气具有限公司 Condensation gas water heater auxiliary heating integral type heat pump water heater
CN109595786A (en) * 2018-10-17 2019-04-09 中山市恒乐电器有限公司 A kind of hot water facility
CN110454984A (en) * 2019-07-31 2019-11-15 华帝股份有限公司 A kind of control method and gas heater of constant temp gas water heater

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060329

Termination date: 20100115

C17 Cessation of patent right