CN109612072A - A kind of novel low nitrogen condensing gas-fired fast water heater - Google Patents
A kind of novel low nitrogen condensing gas-fired fast water heater Download PDFInfo
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- CN109612072A CN109612072A CN201811542099.2A CN201811542099A CN109612072A CN 109612072 A CN109612072 A CN 109612072A CN 201811542099 A CN201811542099 A CN 201811542099A CN 109612072 A CN109612072 A CN 109612072A
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- water
- heat exchanger
- burner
- blower
- pipe
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- Legal status (The legal status 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 status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
Abstract
The invention discloses a kind of novel low nitrogen condensing gas-fired fast water heaters, it is related to field of water heaters, including casing, controller, water transfer proportioning valve, condensation water collection box, segmentation tracheae, burner, secondary heat exchanger, secondary heat exchanger outlet pipe, blower, blast switch, smoke extraction chamber, main heat exchanger, sectional combustion control device and gas ratio valve are provided in the casing；Its heat exchange efficiency is high, and discharged nitrous oxides reach 5 grades of country, and reliable performance, and safety and environmental protection solves the deficiencies in the prior art.
Description
Technical field
The present invention relates to field of water heaters, and in particular to a kind of novel low nitrogen condensing gas-fired fast water heater.
Background technique
With the high speed development of world economy, energy problem becomes increasingly conspicuous, high-efficient energy-saving environment friendly be the current whole world all very
The theme of care and the developing direction of kitchen appliance industry.Nitrogen oxides is to cause one of primary pollution source of atmosphere pollution.
Existing gas heater, either common forced-ventilated water heater or zero high-end cold water Thermostatic water heaters,
The blow off levels of nitrogen oxides will be lower than 3 grades, and energy-saving effect need to be improved.Therefore, develop it is energy-efficient, environmentally friendly,
And relative to low price, the wider array of low nitrogen condensation water heater of adaptability at urgent problem.
Summary of the invention
In view of the deficiencies of the prior art, the invention reside in proposing a kind of novel low nitrogen condensing gas-fired fast water heater,
Heat exchange efficiency is high, and discharged nitrous oxides reach 5 grades of country, and reliable performance, and safety and environmental protection solves the deficiencies in the prior art.
To achieve the above object, the technical scheme adopted by the invention is that:
A kind of novel low nitrogen condensing gas-fired fast water heater, including casing are provided with controller, water transfer in the casing
Proportioning valve, condensation water collection box, burner, secondary heat exchanger, secondary heat exchanger outlet pipe, blower, blast switch, smoke extraction chamber, master change
Hot device, sectional combustion control device and gas ratio valve；The gas ratio valve connects the sectional combustion control device, described
Sectional combustion control device connects the burner by two air inlet pipe, and combustion chamber, the burning is arranged on the burner
The main heat exchanger is set on room, and the combustion chamber connects the smoke extraction chamber, and the smoke extraction chamber connects the blower, the blower
It is connected with flue, and the blower is provided with the blast switch, the air inlet of the air outlet of the blower and the secondary heat exchanger
Mouth is connected；The gas proportion valve inlet connects inlet suction port；The water transfer proportioning valve passes through on cold water pipe and the burner
The water inlet of pipeline is connected, the water outlet of the burner upper pipeline pass through time heat exchanger water inlet pipe and the secondary heat exchanger into
Mouth of a river connection, the secondary heat exchanger pass through time heat exchanger outlet pipe and connect with the water inlet of the main heat exchanger, the main heat exchange
The water outlet of device is connect by outlet pipe with water outlet connector；Temperature sensor I is set on the cold water pipe；It is set on the outlet pipe
Set temperature sensor II；Hot water temperature's controller is arranged in the main heat exchanger water outlet；The water transfer ratio valve inlet connect into
Water swivel；The secondary heat exchanger is connect by condensation water collection pipe with the condensation water collection box, and the condensation water collection box
Condensate water discharging mouth is set；The controller and the water transfer proportioning valve, gas ratio valve, blower, blast switch, temperature sensing
Device II and temperature sensor I electrical connection.
Hot water temperature's controller is a bimetal leaf, and when the temperature is excessively high, sheet metal disconnects, and stops burning.
Further, the burner is low nitrogen Water-cooling type burner, including fire row and segmentation tracheae, in the fire row
It is wrapped with water cooling tube.
Further, the fire row both ends are both provided with igniter and flame sensing device.
Further, being provided with admission pressure test device in the gas ratio valve, admission pressure test device can
To be pressure sensor, it can be determined that whether normal and combustion gas the pressure value of combustion gas, thus be the tolerance of more acurrate regulating gas,
Make burning more perfect.
Further, water flow sensor is arranged in the water transfer proportioning valve.
Further, the blower is strong odd test blower, it can guarantee accurate gas-air ratio under each load,
It makes burning more perfect, while being negative pressure, more secure and reliable in combustion chamber.
Further, the condensation water collection box is equipped with condensed water neutralisation treatment device.Condensed water neutralisation treatment device
Including existing some alkaline matters, for neutralizing condensed water.
The beneficial effects of the present invention are:
1, compared with prior art, the present invention fires burner using novel low nitrogen water-cooled, by dense-dilute burner combustion technology and water
Refrigeration technique combines, which, which organically combines dense flame and light flame, effectively controls the generation item of nitrogen oxides
Part, to reduce the discharge of nitrogen oxides.Dense flame combustion form is partly-premixed burning, and the combustion type of light flame is full premix
Burning, the two organically combine the generation that nitrogen oxides is reduced in very big degree.Due in bias combustion, light flame is usually
Main flame gas flow rate is larger, and since its primary air ratio is larger, flame propagation velocity is smaller to be easy de- fire, but due to dense fire
The primary air ratio of flame is smaller, burns more stable, therefore the stability of bias combustion can be realized by dense flame, so far both be solved
The problem of stability of having determined, inhibits the generation of nitrogen oxides again；In addition to using dense-dilute burner combustion technology, in order to further decrease nitrogen
The generation of oxide also uses water-cooled, is exactly that cold water pipe disk one around burner encloses, reduces the temperature of burner.It reduces
Temperature is also beneficial to the reduction of nitrogen oxides.
2, compared with prior art, present invention employs dual ignition (igniter are all arranged in both ends on burner), and
In practice according to circumstances, can dual ignition and single-point fire between flexible conversion, greatly improve ignition success rate.
3, compared with prior art, present invention employs Flame Double induction system, (induction dress is all arranged in burner both ends
Set), be not only able to satisfy the requirement of sectional combustion, when also avoiding full section from burning to greatest extent, only burnt part the case where, simultaneously
Can also quick and precisely judge be segmented tracheae in sectioning valve whether damage.
4, present invention employs double regulation technologies of gas ratio valve and water transfer proportioning valve, controller presses water flow sensor
The water flow size and water temperature provided with temperature sensor controls the aperture of gas ratio valve and the aperture of flow control valve.From
And fast implement the thermostatic control of water.And fundamentally solve user's hydraulic pressure it is excessive when, the phenomenon that machine is unable to automatic constant-temperature.
Detailed description of the invention
Fig. 1 is a kind of main view of embodiment of the invention；
Fig. 2 is a kind of side view of embodiment of the invention；
Fig. 3 is burner structure schematic diagram of the invention；
Description of symbols:
1- controller, 2- water outlet connector, 3- inlet suction port, 4- condensate drainage pipe, 5- water supply connector, 6- water transfer proportioning valve,
7- temperature sensor I, 8- cold water pipe, 9- condensation water collection box, 10- are segmented tracheae, 11- burner, 111- fire row, 112- water cooling
Pipe, 12- condensation water collection pipe, 13- heat exchanger water inlet pipe, 14- heat exchanger, 15- heat exchanger outlet pipe, 16- flue,
17- blower, 18- blast switch, 19- smoke extraction chamber, 20- hot water temperature's controller, 21- main heat exchanger, the combustion chamber 22- cover board, 23-
Air inlet pipe, 24- air inlet pipe, 25- sectional combustion control device, 26- gas ratio valve, 27- outlet pipe, the detection of 28- leaving water temperature
Device, the right igniter of 29-, the right sensing device of 30-, the left igniter of 31-, the left sensing device of 32-.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment to the present invention make into
One step illustrates.
In this example, as shown in Figures 1 to 3, a kind of novel low nitrogen condensing gas-fired fast water heater, including casing, institute
It states and is provided with controller 1, water transfer proportioning valve 6, condensation water collection box 9, burner 11, secondary heat exchanger 14, secondary heat exchanger in casing
Outlet pipe 15, flue-gas temperature controller 16, blower 17, blast switch 18, smoke extraction chamber 19, main heat exchanger 21, sectional combustion control
Device 25 and gas ratio valve 26；The gas ratio valve 26 connects the sectional combustion control device 25, the sectional combustion
Control device 25 connects the burner 11 by two air inlet pipe 23,24, and combustion chamber 22 is arranged on the burner 11, described
The main heat exchanger 21 is set on combustion chamber 22, and the combustion chamber 22 connects the smoke extraction chamber 19, and the smoke extraction chamber 19 connects institute
State blower 17, the blower 17 connects the blast switch 18, the air outlet of the blower 17 and the secondary heat exchanger 14 into
Air port is connected；26 entrance of gas ratio valve connects inlet suction port 3；The water transfer proportioning valve 6 passes through cold water pipe 8 and the combustion
The water inlet of 11 upper pipeline of burner is connected, the water outlet of 11 upper pipeline of burner pass through time heat exchanger water inlet pipe 13 with it is described
The water inlet of secondary heat exchanger 14 connects, the secondary heat exchanger 14 pass through time heat exchanger outlet pipe 27 and the main heat exchanger 21 into
The water outlet of mouth of a river connection, the main heat exchanger 21 is connect by outlet pipe 27 with water outlet connector 2；It is arranged on the cold water pipe 8
Temperature sensor I7；Temperature sensor II28 is set on the outlet pipe 15；Hot water temperature is arranged in 21 water outlet of main heat exchanger
Spend controller 20；6 entrance of water transfer proportioning valve connects water supply connector 5；The secondary heat exchanger 14 passes through condensation water collection pipe 12
It is connect with the condensation water collection box 9, and condensate water discharging mouth 4 is arranged in the condensation water collection box 9；The controller 1 and institute
Water transfer proportioning valve 6, gas ratio valve 26, blower 17, blast switch 18, temperature sensor II28 and temperature sensor I7 is stated to be electrically connected
It connects.
Controller 1 is existing microprocessor.
As a kind of prioritization scheme, the burner 11 is low nitrogen Water-cooling type burner, including fire row 111 and segmentation tracheae
10, water cooling tube 112 is wrapped in the fire row 111.
As a kind of prioritization scheme, 111 both ends of fire row are both provided with igniter and flame sensing device, respectively
Right igniter 29, right flame sensing device 30, left igniter 31 and left flame sensing device 32.
As a kind of prioritization scheme, admission pressure test device is provided in the gas ratio valve 26.
As a kind of prioritization scheme, water flow sensor is set in the water transfer proportioning valve 6.
As a kind of prioritization scheme, the blower 17 is strong odd test blower.
As a kind of prioritization scheme, the condensation water collection box 9 is equipped with condensed water neutralisation treatment device.
This water heater working principle is as follows:
After energization after water heater powers on, controller 1 enters self-test state, then waits passing through for water, works as water transfer
When water flow sensor in proportioning valve 6 perceives water greater than certain numerical value, blower 17 starts running, and right igniter 29 is put
Electric ignition, gas ratio valve 26 are opened, the right wing valve opening of sectional combustion control device 25, the right fire for putting burner 11
Row 111；If right sensing device 30 is not sensed by flame, lasting progress of discharging is entered back into after completing a cycle and is lighted a fire again
State.After if right sensing device 30 senses flame, stopping of discharging, while machine enters Regulation of Constant Temperature, according to water
The decision of the temperature of flow and Inlet and outlet water is fire row 111 or 111 standard-sized sheet of left side fire row 111 or all fire rows on the right of burning,
Then tolerance is adjusted by gas ratio valve 26 again, to keep leaving water temperature consistent with set temperature.Make in water heater
With in preceding and use process, controller 1 is monitored by each sensor, such as abnormal, then can turn off gas source.
In the process of running, the burning of burner 11 generates high-temperature flue gas and flows through main heat exchanger 21 from bottom to top, from main heat exchange
The flue gas (temperature has been reduced to 200 DEG C or so) that device 21 comes out enters time heat exchanger 14, and flue-gas temperature drops to dew point hereinafter, generating
A large amount of condensed waters, condensed water sequentially enter condensation water collection pipe 12 and condensation water collection box 9 finally by condensate drainage pipe 4 down
Discharge, while low-temperature flue gas is discharged upwardly through flue 16.
In addition water successively pass through water transfer proportioning valve 6, cold water pipe 8,11 upper pipeline of burner and secondary heat exchanger water inlet pipe 13 into
Enter the secondary heat exchanger 14 of upper right to be entered after cold water absorbs the thermal energy of flue gas in secondary heat exchanger 14 by secondary heat exchanger outlet pipe 15
In main heat exchanger 21, water is flowed out after being sufficiently heated in main heat exchanger 21 by outlet pipe 27.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of novel low nitrogen condensing gas-fired fast water heater, including casing, which is characterized in that be provided with control in the casing
Device (1) processed, water transfer proportioning valve (6), condensation water collection box (9), burner (11), secondary heat exchanger (14), secondary heat exchanger outlet pipe
(15), blower (17), blast switch (18), smoke extraction chamber (19), main heat exchanger (21), sectional combustion control device (25) and combustion gas
Proportioning valve (26)；
The gas ratio valve (26) connects the sectional combustion control device (25), and the sectional combustion control device (25) is logical
It crosses two air inlet pipe (23,24) and connects the burner (11), combustion chamber (22) are set on the burner (11), the burning
It is arranged on room (22) main heat exchanger (21), the combustion chamber (22) connects the smoke extraction chamber (19), the smoke extraction chamber (19)
It connects the blower (17), the blower (17) is provided with the blast switch (18), the air outlet of the blower (17) and institute
The air inlet for stating time heat exchanger (14) is connected, and the air outlet of the secondary heat exchanger (14) connects flue (16)；The gas proportion
Valve (26) entrance connects inlet suction port (3)；
The water transfer proportioning valve (6) is connected by cold water pipe (8) with the water inlet of the burner (11) upper pipeline, the burning
The water outlet of device (11) upper pipeline passes through time heat exchanger water inlet pipe (13) and connect with the water inlet of the secondary heat exchanger (14), described
Secondary heat exchanger (14) passes through time heat exchanger outlet pipe (15) and connect with the water inlet of the main heat exchanger (21), the main heat exchanger
(21) water outlet is connect by outlet pipe (27) with water outlet connector (2)；Temperature sensor I is set on the cold water pipe (8)
(7)；Temperature sensor II (28) are set on the outlet pipe (27)；Main heat exchanger (21) the water outlet setting hot water temperature is controlled
Device (20) processed；Water transfer proportioning valve (6) entrance connects water supply connector (5)；
The secondary heat exchanger (14) is connect by condensation water collection pipe (12) with the condensation water collection box (9), and the condensation
Condensate water discharging mouth (4) are arranged in water collection box (9)；
The controller (1) and the water transfer proportioning valve (6), gas ratio valve (26), blower (17), blast switch (18), temperature
Spend sensor II (28) and temperature sensor I (7) electrical connection.
2. water heater as described in claim 1, which is characterized in that the burner (11) is low nitrogen Water-cooling type burner, packet
Fire row (111) and segmentation tracheae (10) are included, is wrapped with water cooling tube (112) on the fire row (111).
3. water heater as claimed in claim 2, which is characterized in that fire row (111) both ends be both provided with igniter and
Flame sensing device.
4. water heater as described in claim 1, which is characterized in that be provided with admission pressure survey in the gas ratio valve (26)
Trial assembly is set.
5. water heater as described in claim 1, which is characterized in that water flow sensor is arranged in the water transfer proportioning valve (6).
6. water heater as described in claim 1, which is characterized in that the blower (17) is strong odd test blower.
7. water heater as described in claim 1, which is characterized in that the condensation water collection box (9) is equipped in condensed water and locates
Manage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542099.2A CN109612072A (en) | 2018-12-17 | 2018-12-17 | A kind of novel low nitrogen condensing gas-fired fast water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811542099.2A CN109612072A (en) | 2018-12-17 | 2018-12-17 | A kind of novel low nitrogen condensing gas-fired fast water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109612072A true CN109612072A (en) | 2019-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811542099.2A Pending CN109612072A (en) | 2018-12-17 | 2018-12-17 | A kind of novel low nitrogen condensing gas-fired fast water heater |
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| CN (1) | CN109612072A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196342A (en) * | 2007-12-26 | 2008-06-11 | 成都前锋电子有限责任公司 | Condensing gas water heater and flue gas flowing mode |
| CN105387613A (en) * | 2015-12-07 | 2016-03-09 | 成都前锋电子有限责任公司 | Sectionalized combustion type gas-fired water heating furnace |
| CN206145958U (en) * | 2016-10-20 | 2017-05-03 | 佛山市顺德区怡成电器有限公司 | Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control |
| 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 |
| CN209263380U (en) * | 2018-12-17 | 2019-08-16 | 成都前锋电子有限责任公司 | A kind of novel low nitrogen condensing gas-fired fast water heater |
-
2018
- 2018-12-17 CN CN201811542099.2A patent/CN109612072A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196342A (en) * | 2007-12-26 | 2008-06-11 | 成都前锋电子有限责任公司 | Condensing gas water heater and flue gas flowing mode |
| CN105387613A (en) * | 2015-12-07 | 2016-03-09 | 成都前锋电子有限责任公司 | Sectionalized combustion type gas-fired water heating furnace |
| CN206145958U (en) * | 2016-10-20 | 2017-05-03 | 佛山市顺德区怡成电器有限公司 | Low nitrogen emission second grade heat transfer condensing gas heating water heater of piggyback control |
| 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 |
| CN209263380U (en) * | 2018-12-17 | 2019-08-16 | 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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