CN107869846A - Condensing gas heating stove - Google Patents
Condensing gas heating stove Download PDFInfo
- Publication number
- CN107869846A CN107869846A CN201610856050.9A CN201610856050A CN107869846A CN 107869846 A CN107869846 A CN 107869846A CN 201610856050 A CN201610856050 A CN 201610856050A CN 107869846 A CN107869846 A CN 107869846A
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- China
- Prior art keywords
- fan
- heating stove
- waste
- heat recovery
- recovery device
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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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- 238000010438 heat treatment Methods 0.000 title claims abstract description 83
- 239000002918 waste heat Substances 0.000 claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 238000011084 recovery Methods 0.000 claims abstract description 57
- 238000002485 combustion reaction Methods 0.000 claims abstract description 42
- 238000009833 condensation Methods 0.000 claims abstract description 23
- 230000005494 condensation Effects 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 21
- 239000000446 fuel Substances 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 43
- 239000003546 flue gas Substances 0.000 claims description 43
- 239000000567 combustion gas Substances 0.000 claims description 16
- 239000003517 fume Substances 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 235000019504 cigarettes Nutrition 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 abstract description 7
- 239000000779 smoke Substances 0.000 abstract description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000008236 heating water Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001274961 Rubus repens Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
- F24H8/00—Fluid heaters characterised by means for extracting latent heat from flue gases by means of condensation
- F24H8/006—Means for removing condensate from the heater
-
- 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
-
- 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]
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses a condensing gas heating stove which comprises a main heat exchanger, a gas valve, a burner, a combustion chamber, a smoke collecting hood, a flue, a shell, a circulating water pump, a direct current fan and a waste heat recovery device, wherein the direct current fan is a non-inductive brushless direct current fan and comprises a fan electric control board and a fan body, and the fan body is separated from the fan electric control board and is arranged between the main heat exchanger and the waste heat recovery device; the fan electric control board adjusts the rotating speed of the fan body in real time along with the change of the combustion power of the heating furnace, and the air-fuel ratio of the combustion process is controlled to be kept unchanged. The heating stove adopts the non-inductive brushless direct current fan, and the fan body is free of inductive elements and separated from the fan electric control board, so that the fan body can be applied to severe environments; meanwhile, the wind speed of the direct current fan is accurately adjustable, the air-fuel ratio in the combustion cavity is kept to be a fixed value under different combustion powers, and meanwhile, the direct current fan is combined with a waste heat recovery device to promote the condensation effect, so that the working efficiency is improved, and the energy is saved.
Description
Technical field
The present invention relates to fluid heater technical field, is related to a kind of gas heating stove, and specifically, being related to one kind can be with
Lift the condensed type combustion gas heating stove of condensation effect.
Background technology
Partially premixed " IP types " gas-heating water heater on sale in the market, it is basic to use AC blower fan as combustion
The supply unit of air quantity used in burning, while AC blower fan is also combined with waste heat recovery module to promote the condensation of waste heat recovery module
Effect.But using AC blower fan as during heating stove blower fan, its speed is fixed or adjustable range is narrower, when heating stove is in different work(
When rate is burnt, its air quantity conveyed can equally cause the thermal efficiency of the heating stove when different capacity section is burnt inconsistent, can not
Ensure that air-fuel ratio remains at most ratio of greater inequality state, and the thermal efficiency can be caused to decline with the reduction of power, and then cause resource
Waste；Meanwhile the heating stove product that AC blower fan is combined with waste heat recovery module, worked in heating stove less than rated power
When, with the increase of oxygen content in flue gas, the condensation effect of waste-heat recovery device reduces, and heating stove operating power is smaller, remaining
The condensation effect of heat reclamation device is poorer.In addition, compared with DC fan, when applied to heating stove, it is converted AC blower fan
Efficiency into useful work is relatively low, i.e.,：Identical air quantity to be obtained, AC blower fan are bigger than the electrical power required for DC fan,
Or volume is bigger, and the increase of electrical power or volume, it can make it that heating stove power consumption increase or heating furnace volume become big, cause
Consumed stock number increases.
In view of this it is special to propose the present invention.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided one kind is by induction less brush-less direct current wind
Machine is bonded the atmospheric equilibrium condensed type combustion gas heating stove of core energy-saving part with waste-heat recovery device, and DC fan wind speed can
Adjust and be closed loop feedback, heating stove can be achieved and keep high efficiency under different capacity, air-fuel ratio keeps definite value, so as to thoroughly solve
Determine because heating stove causes efficiency to decline with power drop caused by AC blower fan wind speed is fixed or adjustable range is narrow the problem of, kept away
Energy waste is exempted from；On the other hand, waste-heat recovery device is increased less than rated power by controlling the air quantity of DC fan
Under to the condensation effect of vapor so that its condensation effect is more preferably, and saved the energy；In addition, blower fan electric-controlled plate with
Fan body separates and non-inductive element in fan body, fan body are suitable for adverse circumstances so that the heating stove can be extensive
Applied in various use environments.
In order to solve the above technical problems, the present invention is using the basic conception of technical scheme：
The invention discloses a kind of condensed type combustion gas heating stove, including main heat exchanger, gas valve, burner, combustion chamber, collection
Petticoat pipe, flue, housing, water circulating pump, in addition to DC fan and waste-heat recovery device, the DC fan are that induction less brush-less is straight
Flow fan, including blower fan electric-controlled plate and fan body, the fan body separate with blower fan electric-controlled plate, installed in main heat exchanger and
Between waste-heat recovery device；The blower fan electric-controlled plate adjusts the rotating speed of fan body with the change of heating stove combustion power in real time,
The air-fuel ratio of combustion process is controlled to keep constant.
Further, the combustion chamber bottom is provided with burner, and top is provided with main heat exchanger, bottom combustion close to fan body
High-temperature flue gas caused by burner burning is exchanged heat with top main heat exchanger in the combustion chamber, and the high-temperature flue gas changes with master
Low-temperature flue gas is formed after hot device heat exchange.
Further, exhaust fume collecting hood is provided between the fan body and main heat exchanger, described fan body one end passes through collection
Petticoat pipe collects the low-temperature flue gas from combustion chamber, and one end is connected transporting low temperature flue gas with waste-heat recovery device.
Further, described waste-heat recovery device one end is connected by exhaust fume collecting hood with fan body, and one end is connected with flue,
The waste-heat recovery device carries out waste heat recovery to the low-temperature flue gas from exhaust fume collecting hood, then by flue by the cigarette after waste heat recovery
Gas is discharged.
Further, the heating stove controls the rotating speed of fan body, the fan body by blower fan electric-controlled plate in real time
The condensing heat-exchange effect for promoting waste-heat recovery device and low-temperature flue gas is combined with waste-heat recovery device.
Further, the flue is connected with waste-heat recovery device, is stretched out through housing outside heating stove, on the flue also
Provided with flue gas safety temp.-limiting device.
Further, the waste-heat recovery device is additionally provided with water inlet and delivery port, the water inlet and water circulating pump phase
Connection, the delivery port are connected with main heat exchanger.
Further, described main heat exchanger one end is connected with waste-heat recovery device delivery port, and a termination heating stove hot water goes out
The mouth of a river, the hot water outlet include domestic hot-water's delivery port and heating hot water delivery port.
Further, the blower fan electric-controlled plate of the DC fan is arranged within the scope of the limit temperature of automatically controlled board component, or with
Complete machine electric-controlled plate combines.
Further, the heating stove is additionally provided with condensation liquor collecting device, the condensation liquor collecting device and waste heat recovery
Device is connected, and is discharged the condensed water being collected into outside heating stove by condensed water discharge outlet.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art：
1st, the condensed type combustion gas heating stove employs what is be bonded by induction less brush-less DC fan and waste-heat recovery device
Core energy-saving part, the speed adjustable range of DC fan is wider and can realize closed loop feedback control, by the wind for controlling DC fan
To keep heating stove, no matter the lower air-fuel ratio of which kind of power burning is definite value to amount, and efficiency of combustion is constant, so as to thoroughly solve because
The problem of heating stove caused by AC blower fan wind speed is fixed or adjustable range is narrow causes efficiency to decline with power drop, make its work
Efficiency improves and more saves the energy；
2nd, on the other hand, control the wind speed of fan body in real time by blower fan electric-controlled plate, then fan body and waste heat are returned
Receiving apparatus combine, can effectively facilitate waste-heat recovery device waste heat recovery heat transfer effect and less than under rated power to water
The condensation effect of steam, make its condensing heat-exchange better：Compared with AC blower fan, DC fan can work as combustion with stepless time adjustment
Excess air coefficient can effectively be reduced when under less than specified fired state by burning condensing plant, improve the dew point temperature that condensed water separates out
Degree, add the condensation effect of burning condensing plant；
3rd, simultaneously, the DC fan applied to the gas heating stove is induction less brush-less DC fan, blower fan electric-controlled plate with
Fan body is separated, and blower fan electric-controlled plate is placed lower than in the regional extent that automatically controlled board component limit temperature can allow, or
Combined with overall electric-controlled plate, meanwhile, non-inductive element, adapts to hot environment in fan body.The design causes wind
Machine body may be used in the environment of bad environments, and heating stove still realizes normal work under rugged environment；
4th, the induction less brush-less DC fan applied to the heating stove is using sine wave drive conversion wind speed, compare square wave and
Speech, sine wave drive make it that wind speed change is gentler, can effectively reduce fan noise.
The embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
A part of the accompanying drawing as the present invention, for providing further understanding of the invention, of the invention is schematic
Embodiment and its illustrate to be used to explain the present invention, but do not form inappropriate limitation of the present invention.Obviously, drawings in the following description
Only some embodiments, to those skilled in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
Fig. 1 is the structural representation of condensing type heating stove in the embodiment of the present invention.
In figure：1st, fan body；2nd, waste-heat recovery device；3rd, main heat exchanger；4th, gas valve；5th, burner；6th, combustion chamber；
7th, exhaust fume collecting hood；8th, flue；9th, housing, 10, flue gas safety temp.-limiting device；11st, water circulating pump；12nd, liquor collecting device is condensed；21st, enter
The mouth of a river；22nd, delivery port.
It should be noted that these accompanying drawings and word description are not intended as the design model limiting the invention in any way
Enclose, but be that those skilled in the art illustrate idea of the invention by reference to specific embodiment.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in embodiment is clearly and completely described, following examples be used for illustrate the present invention, but
It is not limited to the scope of the present invention.
It is term " on ", " under ", "front", "rear", "left", "right", " perpendicular in the description of the invention, it is necessary to explanation
Directly ", the orientation of the instruction such as " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, merely to just
In the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation, with
Specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In heating stove of the present invention, the flammable energy is fuel gas, and burning is carried out in combustion chamber 6 and provides heat.Mixing
The ratio of quality in gas between air and fuel is referred to as air-fuel ratio, the air grams typically consumed with every gram of fuel combustion come
Represent.In theory, the minimum air grams needed for every gram of fuel completely burned, is called chemically correct fuel.When actual sky
Combustion is than when being more than theoretical value, gas is expected less more, and burning is completely and power is smaller；When actual mixing ratio is less than theoretical value, gas is expected less
It is more, incomplete combustion and power is larger.So during burning, according to the environment and demand of burning, adjustment in real time is kept
Suitable air-fuel ratio can effectively facilitate burning and save the energy.Due to fuel gas, burning needs Sq in combustion chamber 6
Air, but because the difference of heating stove working environment and situation can cause the change of efficiency of combustion, therefore need blower fan herein
Body 1 provides suitable air quantity to ensure that air-fuel ratio remains unchanged, so that burning fully and avoids energy waste.
On the other hand, in order to efficiently utilize high-temperature gas caused by fuel gas, waste heat is additionally provided with heating stove and is returned
Receiving apparatus 2, for recycling the cryogenic gas with being formed after the heat exchange of main heat exchanger 3.And waste-heat recovery device 2 is in heat transfer process
In, when the cooling of low-temperature flue gas temperature can produce condensed water to a certain extent.A concept is introduced herein to illustrate：Dew point temperature
Degree, refers to air under conditions of moisture content and air pressure are constant, is cooled to temperature during saturation, be exactly in air figuratively
Temperature of vapor when being changed into dewdrop dew-point temperature.When steam has reached saturation in air, temperature and dew-point temperature
It is identical；When steam is not up to saturation, temperature is necessarily higher than dew-point temperature.Dew-point temperature is not a fixed value, and it can be with
Steam partial pressure and excess air coefficient in flue gas change and changed：Steam partial pressure is proportional with dew-point temperature, superfluous empty
Gas coefficient and dew-point temperature are in inverse ratio.If wanting to increase condensation effect, excess air coefficient need to be reduced, and excess air coefficient with
Oxygen content in air is proportionate, and air coefficient can be effectively reduced by the oxygen content reduced in flue gas.Therefore need blower fan sheet
The cooperation of body 1 increases condensation effect to provide suitable air quantity, and discharge is collected smoothly to separate out condensed water.
Embodiment one
As shown in figure 1, it is a kind of structural representation of condensing type heating stove.One kind described in the present embodiment can be controlled accurately
Air quantity and the dual-purpose heating stove of combustion gas condensing for increasing condensation effect, are " IP " type gas-heating hot water facility, can provide life
Apply flexibly water and the supply of heating water two path water.It is domestic water supply all the way, is directly heated using the calory burning of the flammable energy
Water, the hot water of heating is then supplied to user, is mainly used in living daily；It is heating water all the way, heating is used for water
The temperature in heating space is lifted, the heating in heating stove is connected to the water route in water water route and heating space：Heating stove
Heat transferring medium (being herein aqueous water) is heated, the high temperature heat transferring medium then heated passes through the matchmakers such as the pipeline located at heating space
Jie is exchanged heat with external agency, and the temperature of external agency accordingly raises, and the high temperature heat exchange medium temperature drop in pipeline medium
Low, the heat transferring medium of cooling flows back to heating stove further through the water circulating pump 11 of heating stove and reheated, so as to realize in a steady stream not
Disconnected high temperature heat transferring medium supply, so as to reach the heating effect in heating space.
The main devices of the heating stove include fan body 1, waste-heat recovery device 2, main heat exchanger 3, gas valve 4, burning
Device 5, combustion chamber 6, exhaust fume collecting hood 7, flue 8, housing 9 and water circulating pump 11, in addition to water passage circulation system.Wherein, DC fan
For induction less brush-less DC fan, interior position-sensor-free, including blower fan electric-controlled plate and fan body 1, blower fan electric-controlled plate and blower fan
Body 1 separates.In heating stove structure setting, fan body 1 is located between main heat exchanger 3 and waste-heat recovery device 2, and wind speed can
Adjust.Main heat exchanger 3 is located at the top of combustion chamber 6, and the bottom of combustion chamber 6 is provided with burner 5.Because fan body 1 is in main heat exchange
Between the two, blower fan electric-controlled plate, on the one hand can be by accurately controlling the rotating speed of fan body 1 for device 3 and waste-heat recovery device 2
Promote the air-fuel ratio of combustion chamber 6 to keep constant under different combustion powers, on the other hand can increase opposite side waste heat and return
Receiving apparatus 2 is less than the condensation effect under rated power.Compared with existing AC blower fan is as the freezing machine of air quantity supply unit,
Can progressively it increase less than the oxygen content in the flue gas under rated load, and oxygen content during minimum load in flue gas is most, according to upper
State theory, excess air coefficient now is maximum, i.e., dew-point temperature is minimum, so when flue gas condensation effect it is worst.Therefore with friendship
Flow fan is compared, and using DC fan, air quantity can be with stepless time adjustment, the oxygen content of smoke gas under less than specified fired state
Less than the oxygen content corresponded to using AC blower fan under power, that is, to reduce excess air coefficient, and then raising dew-point temperature, increase
Use the burning condensing plant condensation effect of DC fan.
When the heating stove works, it is first turned on gas valve 4 and discharges combustible gas, combustible gas lights burning through burner 5,
Burnt in combustion chamber 6 and produce high-temperature flue gas, high-temperature flue gas and the liquid heat transfer medium in the main heat exchanger 3 on the top of combustion chamber 6
Exchanged heat.During this, fan body 1 be combustion process convey air quantity, blower fan electric-controlled plate with heating stove combustion power change
Change the rotating speed of regulation fan body 1 in real time, control the air-fuel ratio of combustion process to remain definite value, improve efficiency of combustion, save
The energy.Herein, the factor that heating stove combustion power can be caused to change includes the environmental factors such as extraneous blast, temperature, or flue resistance
Plug, the internal factor such as burner is not smooth.
Exhaust fume collecting hood 7 is provided between fan body 1 and main heat exchanger 3, the exhaust fume collecting hood 7 is mainly used in collection and results from burning
Flue gas in chamber 6.Low-temperature flue gas is formed after liquid heat exchange caused by combustible gas burning in high-temperature flue gas and main heat exchanger 3,
Exhaust fume collecting hood 7 collects low-temperature flue gas, and is filled by the way that low-temperature flue gas is transported into waste heat recovery with one end that waste-heat recovery device 2 is connected
Put 2.
Because the major function of waste-heat recovery device 2 is that the liquid in low-temperature flue gas and internal watercourses pipeline is carried out into heat exchange in fact
Existing waste heat recovery, low-temperature flue gas temperature declines and can form condensate liquid and be attached to outside internal watercourses pipeline again in the heat transfer process
On wall, due to temperature drop to below dew point be condensation vapor necessary condition, so when blower fan electric-controlled plate control blower fan sheet in real time
The rotating speed of body 1, increase wind speed provide suitable air quantity, reduce the environment temperature of waste-heat recovery device 2 so that and steam reaches saturation, with
Just condensed water is smoothly separated out, now fan body 1 promotes waste-heat recovery device 2 less than the condensation effect under rated power；
Fan body 1 adjusts wind speed simultaneously, and low-temperature flue gas can be promoted to accelerate flowing in smoke flow channels, the unit interval it is interior with it is remaining
The gross contact area increase of heat reclamation device 2, the heat transfer effect of waste-heat recovery device 2 is promoted again.
The flue gas for completing waste heat recovery discharges outdoor by the flue 8 being connected with waste-heat recovery device 2.The flue 8 passes through
Housing 9 is stretched out outside heating stove, is additionally provided with flue gas safety temp.-limiting device 10 above, for detecting the flue-gas temperature of discharge, is prevented
The problem of flue gas is too high.
Fan body 1 described in the present embodiment converts wind speed method and changed for sine wave drive, for comparing square wave, sine wave
Driving make it that wind speed conversion is gentler, can effectively reduce fan noise.
Embodiment two
The present embodiment is the further restriction to above-described embodiment one, and waste-heat recovery device 2 is provided with water inlet 21 and water outlet
Mouth 22, water inlet 21 is connected with water circulating pump 11, and delivery port 22 is connected with main heat exchanger 3.And the level height of its delivery port 22
Less than the level height of water inlet 21, to facilitate liquid to flow out.Internal system liquid (i.e. heat transferring medium) is first through water circulating pump 11
Waste-heat recovery device 2 is first entered by water inlet 21, entered after being exchanged heat in waste-heat recovery device 2 with low-temperature flue gas through delivery port 22
Main heat exchanger 3.The one end of main heat exchanger 3 is connected with the delivery port 22 of waste-heat recovery device 2, a termination hot water outlet.Internal system
Liquid is flowed out after main heat exchanger 3 is interior and high-temperature flue gas is exchanged heat, then through internal system pipeline by hot water outlet.Herein
Hot water outlet includes domestic hot-water's delivery port and heating hot water delivery port.
Embodiment three
The present embodiment is the further restriction to above-described embodiment one：The electric-controlled plate of DC fan separates with fan body 1,
The electric-controlled plate is arranged on can normal work in the region that automatically controlled board component limit temperature can allow.Due to fan body 1 and wind
Electrical Control plate is compared, and the temperature range that it is adapted to is more extensive, after the environmental suitability influence for eliminating blower fan electric-controlled plate so that should
The heating stove of DC fan may apply to adverse circumstances and be operated.Preferably, the blower fan electric-controlled plate of DC fan and heating
Stove entirety electric-controlled plate combines, and the concentration design of electric-controlled plate make it that extraneous control operation is more convenient simple.
Preferably, non-inductive element in the fan body 1, in the heating stove course of work, even after heat exchange
Low-temperature flue gas its temperature be still up to 150 DEG C, the environment temperature of fan body 1 can be influenceed up to 80 DEG C, in addition blower fan
Mechanical movement heating and low-temperature flue gas in the running of body 1 are conducted to the heat of blower motor, the temperature at blower motor
130 DEG C may be up to, according to the brushless DC blower with sensing element and electric control gear, is occurred in the environment
Failure causes fault rate to raise.Based on this, fan body 1 of the invention is induction less brush-less DC fan, interior non-inductive element
And electric control gear, influence of the high temperature to fan body 1 can be effectively prevented from.Therefore the suitable environment of fan body 1 is not sensed
The influence of the element scope of application, hot environment can be resisted.It is further preferred that the induction less brush-less direct current wind described in the present embodiment
In the environment of machine, i.e. fan body 1 are applied to temperature not higher than 180 DEG C.
Example IV
The present embodiment is the further restriction to above-described embodiment one：The waste-heat recovery device 2 of heating stove with low temperature cigarette
Gas can form condensed water during exchanging heat, and condensed water is attached on internal pipeline medium, and not discharging for a long time can be to internal components
Function impact.It can not be discharged to eliminate condensation water loading on being influenceed caused by heating stove work, the heating stove is additionally provided with
Liquor collecting device 12 is condensed, the condensation liquor collecting device 12 is connected with waste-heat recovery device 2, collects the condensation formed after heat exchange
Water, condensed water is discharged by the condensed water discharge outlet being provided thereon when the condensed water being collected into reaches a certain amount of.
Described above is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people for being familiar with this patent
Member without departing from the scope of the present invention, when the technology contents using above-mentioned prompting make it is a little change or be modified to
The equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit pair according to the present invention
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within the present invention program.
Claims (10)
1. a kind of condensed type combustion gas heating stove, including main heat exchanger (3), gas valve (4), burner (5), combustion chamber (6), collection cigarette
Cover (7), flue (8), housing (9), water circulating pump (11), it is characterised in that：Also include DC fan and waste-heat recovery device
(2), the DC fan is induction less brush-less DC fan, including blower fan electric-controlled plate and fan body (1), the fan body
(1) separated with blower fan electric-controlled plate, between main heat exchanger (3) and waste-heat recovery device (2)；The blower fan electric-controlled plate is with adopting
The change of radiator combustion power adjusts the rotating speed of fan body (1) in real time, controls the air-fuel ratio of combustion process to keep constant.
2. condensed type combustion gas heating stove according to claim 1, it is characterised in that：Combustion chamber (6) bottom is provided with combustion
Burner (5), top are provided with main heat exchanger (3) close to fan body (1), high-temperature flue gas caused by combustion bottom burner (5) burning with
Top main heat exchanger (3) is exchanged heat in the combustion chamber (6), and the high-temperature flue gas is formed after being exchanged heat with main heat exchanger (3)
Low-temperature flue gas.
3. condensed type combustion gas heating stove according to claim 2, it is characterised in that：The fan body (1) and main heat exchange
Exhaust fume collecting hood (7) is provided between device (3), described fan body (1) one end is collected low from combustion chamber (6) by exhaust fume collecting hood (7)
Warm flue gas, one end are connected transporting low temperature flue gas with waste-heat recovery device (2).
4. condensed type combustion gas heating stove according to claim 3, it is characterised in that：Described waste-heat recovery device (2) one end
It is connected by exhaust fume collecting hood (7) with fan body (1), one end is connected with flue (8), and the waste-heat recovery device (2) is to from collection
The low-temperature flue gas of petticoat pipe (7) carries out waste heat recovery, then is discharged the flue gas after waste heat recovery by flue (8).
5. condensed type combustion gas heating stove according to claim 4, it is characterised in that：The heating stove passes through blower fan electric-controlled plate
The rotating speed of control fan body (1) in real time, the fan body (1) combines with waste-heat recovery device (2) promotes waste heat recovery dress
Put the condensing heat-exchange effect of (2) and low-temperature flue gas.
6. condensed type combustion gas heating stove according to claim 4, it is characterised in that：The flue (8) fills with waste heat recovery
Put (2) to be connected, stretched out through housing (9) outside heating stove, flue gas safety temp.-limiting device (10) is additionally provided with the flue (8).
7. condensed type combustion gas heating stove according to claim 4, it is characterised in that：The waste-heat recovery device (2) also sets
Have water inlet (21) and delivery port (22), the water inlet (21) is connected with water circulating pump (11), the delivery port (22) with
Main heat exchanger (3) is connected.
8. condensed type combustion gas heating stove according to claim 7, it is characterised in that：Described main heat exchanger (3) one end with it is remaining
Heat reclamation device delivery port (21) is connected, and a termination heating stove hot water outlet, the hot water outlet goes out including domestic hot-water
The mouth of a river and heating hot water delivery port.
9. condensed type combustion gas heating stove according to claim 1, it is characterised in that：The blower fan electric-controlled plate of the DC fan
Combined within the scope of the limit temperature of automatically controlled board component, or with complete machine electric-controlled plate.
10. condensed type combustion gas heating stove according to claim 1, it is characterised in that：The heating stove is additionally provided with condensate liquid
Collection device (12), the condensation liquor collecting device (12) are connected with waste-heat recovery device (2), will be received by condensed water discharge outlet
Outside the condensed water discharge heating stove collected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856050.9A CN107869846A (en) | 2016-09-27 | 2016-09-27 | Condensing gas heating stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610856050.9A CN107869846A (en) | 2016-09-27 | 2016-09-27 | Condensing gas heating stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107869846A true CN107869846A (en) | 2018-04-03 |
Family
ID=61752341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610856050.9A Pending CN107869846A (en) | 2016-09-27 | 2016-09-27 | Condensing gas heating stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107869846A (en) |
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| CN111121276A (en) * | 2018-10-30 | 2020-05-08 | 宁波方太厨具有限公司 | Gas water heater capable of preventing condensed water and control method |
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