CN206145958U - Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control - Google Patents

Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control Download PDF

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Publication number
CN206145958U
CN206145958U CN201621138069.1U CN201621138069U CN206145958U CN 206145958 U CN206145958 U CN 206145958U CN 201621138069 U CN201621138069 U CN 201621138069U CN 206145958 U CN206145958 U CN 206145958U
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Prior art keywords
heat exchanger
water
combustor
burner
water heater
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CN201621138069.1U
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Chinese (zh)
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梁均锐
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Foshan Shunde District Yicheng Electric Appliance Co Ltd
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Foshan Shunde District Yicheng Electric Appliance Co Ltd
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Abstract

The utility model discloses a low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control, including casing, circulating water pump, condensation heat exchanger, fan, combustion chamber, heat exchanger, sectional type gas proportional valve, control circuit board and the pipe of discharging fume, circulating water pump and control circuit board all through bolt fixed mounting on the infrabasal plate of casing, circulating water pump's output leads to pipe to be connected with the input of condensation heat exchanger, and one side of condensation heat exchanger is provided with the fan, condensation heat exchanger output leads to pipe connects the one side in the combustion chamber, the casing top is provided with the pipe of discharging fume, and its adoption sets up the combustor in the bottom of combustion chamber increases combustion area to coming the controlled temperature through the water -cooled tube on the combustor, making the temperature of combustor can not be too high, thereby reduce oxynitrides's emission, increasing the heat efficiency plays the effect of energy -conservation, environmental protection, and the practicality is strong, easily uses widely.

Description

A kind of low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of Discrete control
Technical field
This utility model is related to firing equipment technical field, and the low-nitrogen discharged secondary heat exchange of specially a kind of Discrete control is cold Solidifying formula gas-heating water heater.
Background technology
Gas-heating water heater be also called " burnt gas wall hanging furnace " as the term suggests he be exactly provide by natural gas hot water and Heating-amount.Gas-heating water heater is also different with water heater, and water heater is called " water heater ", is mainly to provide hot water , it is impossible to the energy of heating installation needs is provided, so gas water-heating furnace is common water heater, and the combustion gas described in us now Water heater for heating is then for the bifunctional machine of warm domestic water.
At present, the discharge capacity of the nitrogen oxides of common secondary heat exchange condensation-type gas-fired heating water heater is more, the thermal efficiency It is relatively low, inadequate energy-conserving and environment-protective, and common blower fan does not possess the function of frequency conversion, and when machine burning load changes, its blower fan Wind speed will not change, common burner nozzle is not big enough, and burning area is less, not steady enough during flame combustion, peace Full property is poor, in addition, the nitrogen discharged amount of common gas-heating water heater is not up to standard, easily causes environmental pollution, is unfavorable for product Large-scale promotion.
Utility model content
Prior art is difficult to meet the needs of people, in order to solve above-mentioned problem, the utility model proposes one Plant the low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of Discrete control.
For achieving the above object, this utility model provides following technical scheme:Low-nitrogen discharged two grades of a kind of Discrete control Heat exchange condensation-type gas-fired heating water heater, including casing, water circulating pump, condensing heat exchanger, blower fan, combustor, heat exchanger, point Segmentation gas ratio valve, control board and smoke exhaust pipe, the water circulating pump and control board are bolted installation On the infrabasal plate of casing, the outfan of the water circulating pump is connected by water pipe with the input of condensing heat exchanger, and is condensed The side of heat exchanger is provided with blower fan, and the condensing heat exchanger outfan is connected to the side of combustor, the combustion by water pipe The outfan for burning room is provided with heat exchanger, and the outfan of heat exchanger is connected by water pipe with water route valve body, the burning The bottom of room is provided with burner, and burner and is provided with burner water cooling tube, the burner base and stagewise combustion gas One end of proportioning valve connects, and the other end of stagewise gas ratio valve is connected on air inlet, and the cabinet top is provided with Smoke exhaust pipe.
Further, the blower fan is frequency conversion fan.
Further, the burner is water-cooling type low NO.
Further, the signal output part of the control board respectively with water circulating pump, condensing heat exchanger, blower fan, burning The signal input part of room, heat exchanger and stagewise gas ratio valve is electrically connected with.
Compared with prior art, the beneficial effects of the utility model are:The low-carbon emission secondary heat exchange of the Discrete control is cold Solidifying formula gas-heating water heater, it arranges burner to increase burning area using in the bottom of combustor, and by burner On water cooling tube controlling temperature, make the temperature of burner will not be too high, so as to reduce the discharge of oxynitride, reduce nitrogen Discharge, can not only energy saving, protection is also played a part of to the environment of surrounding, and be favorably improved the thermal efficiency, and And the operating cost of the equipment is also saved, it is adapted to large-scale promotion, in addition, the wind speed of frequency conversion fan can burn according to machine The situation of load is automatically adjusted, stagewise Combustion System, burning input heat load adjustment can be obtained into more stable, meets different Requirement of the hot water temperature to thermic load, it is practical, it is easy to promote the use of.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model;
In figure:1- casing, 2- water circulating pumps, 3- condensing heat exchangers, 4- blower fans, 5- combustor, 6- heat exchangers, 7- segmentations Formula gas ratio valve, 8- control boards, 9- smoke exhaust pipes, 10- burners, 11- burner water cooling tubes.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to Fig. 1, a kind of embodiment that this utility model is provided:A kind of low-nitrogen discharged secondary heat exchange of Discrete control is cold Solidifying formula gas-heating water heater, including casing 1, water circulating pump 2, condensing heat exchanger 3, blower fan 4, combustor 5, heat exchanger 6, point Segmentation gas ratio valve 7, control board 8 and smoke exhaust pipe 9, the water circulating pump 2 and control board 8 are bolted On the infrabasal plate of casing 1, the outfan of the water circulating pump 2 is connected by water pipe with the input of condensing heat exchanger 3, And the side of condensing heat exchanger 3 is provided with blower fan 4, the outfan of the condensing heat exchanger 3 is connected to the one of combustor 5 by water pipe Side, the outfan of the combustor 5 is provided with heat exchanger 6, and the outfan of heat exchanger 6 is connected by water pipe with water route valve body Connect, the bottom of the combustor 5 is provided with burner 10, and burner 10 and is provided with burner water cooling tube 11, the burning The bottom of device 10 is connected with one end of stagewise gas ratio valve 7, and the other end of stagewise gas ratio valve 7 is connected to air inlet On, the top of the casing 1 is provided with smoke exhaust pipe 9, and the blower fan 4 is frequency conversion fan, and the burner 10 is the low nitrogen combustion of water-cooling type Burner, the signal output part of the control board 8 respectively with water circulating pump 2, condensing heat exchanger 3, blower fan 4, combustor 5, heat The signal input part of exchanger 6 and stagewise gas ratio valve 7 is electrically connected with.
The low-carbon emission secondary heat exchange condensation-type gas-fired heating water heater of this utility model Discrete control when in use, is circulated Water pump 2 is transported to cold water in condensing heat exchanger 3, and the hot blast of the blowout of blower fan 4 acts on condensing heat exchanger 3, and cold water is tentatively added Heat, is then delivered to combustor 5, and is heated by burner 10, and the burner water cooling tube 11 on burner 10 can control combustion The temperature of burner 10 will not be too high, reduce oxynitride discharge capacity, in addition, control board 8 control blower fan 4 wind speed with The change of stagewise gas ratio valve 7 and change, it is ensured that the air capacity required for burning, reach combustion air proportion adjustment; Afterwards water flows out Jing after heat exchanger 6 and water route valve body and uses.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction Involved claim.

Claims (4)

1. a kind of low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of Discrete control, including casing(1), water circulating pump (2), condensing heat exchanger(3), blower fan(4), combustor(5), heat exchanger(6), stagewise gas ratio valve(7), control circuit Plate(8)And smoke exhaust pipe(9), it is characterised in that:The water circulating pump(2)And control board(8)It is bolted installation In casing(1)Infrabasal plate on, the water circulating pump(2)Outfan by water pipe and condensing heat exchanger(3)Input connect Connect, and condensing heat exchanger(3)Side be provided with blower fan(4), the condensing heat exchanger(3)Outfan is connected to combustion by water pipe Burn room(5)Side, the combustor(5)Outfan be provided with heat exchanger(6), and heat exchanger(6)Outfan lead to Cross water pipe to be connected with water route valve body, the combustor(5)Bottom be provided with burner(10), and burner(10)On be provided with Burner water cooling tube(11), the burner(10)Bottom and stagewise gas ratio valve(7)One end connection, and stagewise fire Gas proportioning valve(7)The other end be connected on air inlet, the casing(1)Top is provided with smoke exhaust pipe(9).
2. the low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of a kind of Discrete control according to claim 1, It is characterized in that:The blower fan(4)For frequency conversion fan.
3. the low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of a kind of Discrete control according to claim 1, It is characterized in that:The burner(10)For water-cooling type low NO.
4. the low-nitrogen discharged secondary heat exchange condensation-type gas-fired heating water heater of a kind of Discrete control according to claim 1, It is characterized in that:The control board(8)Signal output part respectively with water circulating pump(2), condensing heat exchanger(3), blower fan (4), combustor(5), heat exchanger(6)With stagewise gas ratio valve(7)Signal input part be electrically connected with.
CN201621138069.1U 2016-10-20 2016-10-20 Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control Active CN206145958U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621138069.1U CN206145958U (en) 2016-10-20 2016-10-20 Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621138069.1U CN206145958U (en) 2016-10-20 2016-10-20 Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control

Publications (1)

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CN206145958U true CN206145958U (en) 2017-05-03

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440334A (en) * 2016-10-09 2017-02-22 佛山市顺德区怡成电器有限公司 Segmental-control secondary heat exchange condensation type gas heating water heater
CN107366911A (en) * 2017-08-09 2017-11-21 广东顺德圣堡莱热能科技有限公司 A kind of low nitrogen high-efficiency module combination unit structure
CN107401829A (en) * 2017-08-27 2017-11-28 银川艾尼工业科技开发股份有限公司 A kind of low nitrogen wall-hung condensing gas furnace of sectional type water cooled
CN109612072A (en) * 2018-12-17 2019-04-12 成都前锋电子有限责任公司 A kind of novel low nitrogen condensing gas-fired fast water heater

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106440334A (en) * 2016-10-09 2017-02-22 佛山市顺德区怡成电器有限公司 Segmental-control secondary heat exchange condensation type gas heating water heater
CN107366911A (en) * 2017-08-09 2017-11-21 广东顺德圣堡莱热能科技有限公司 A kind of low nitrogen high-efficiency module combination unit structure
CN107401829A (en) * 2017-08-27 2017-11-28 银川艾尼工业科技开发股份有限公司 A kind of low nitrogen wall-hung condensing gas furnace of sectional type water cooled
CN109612072A (en) * 2018-12-17 2019-04-12 成都前锋电子有限责任公司 A kind of novel low nitrogen condensing gas-fired fast water heater

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