CN108006730A - Smoke exhaust fan and smoke evacuation system and gas heater for gas heater - Google Patents
Smoke exhaust fan and smoke evacuation system and gas heater for gas heater Download PDFInfo
- Publication number
- CN108006730A CN108006730A CN201611205321.0A CN201611205321A CN108006730A CN 108006730 A CN108006730 A CN 108006730A CN 201611205321 A CN201611205321 A CN 201611205321A CN 108006730 A CN108006730 A CN 108006730A
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- Prior art keywords
- impeller
- gas heater
- exhaust fan
- gas
- motor
- Prior art date
- 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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- 239000000779 smoke Substances 0.000 title claims abstract description 72
- 239000007789 gas Substances 0.000 claims abstract description 99
- 238000001816 cooling Methods 0.000 claims abstract description 46
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000003546 flue gas Substances 0.000 claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 33
- 230000001105 regulatory effect Effects 0.000 claims abstract description 24
- 230000000391 smoking effect Effects 0.000 claims abstract description 18
- 239000003517 fume Substances 0.000 claims description 21
- 238000002485 combustion reaction Methods 0.000 claims description 19
- 230000008676 import Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 241000469816 Varus Species 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 8
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- 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
- F24H9/0005—Details for water heaters
Landscapes
- 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)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of smoke exhaust fan for gas heater and smoke evacuation system and gas heater, smoke exhaust fan to include：Casing, casing are equipped with gas inlet, cooling wind inlet and exhanst gas outlet；Impeller, impeller are rotatably provided in casing, and the both ends of the surface of impeller respectively constitute smoking port and inlet scoop, and the outer circumferential surface of impeller forms air outlet；Partition plate, partition plate separate smoking port and inlet scoop；Motor, motor is at cooling wind inlet, wherein, the difference for cooling down the maximum radius of the radius of wind inlet and the outer contour of motor is the adjustable first draft regulated value A of size, and motor is in its axial direction the adjustable second draft regulated value B of size with cooling down the distance between wind inlet.Smoke exhaust fan for gas heater according to embodiments of the present invention can not only realize that the strong pump drainage for flue gas is put, and can realize the heat dissipation to motor, have the advantages that simple in structure, cost is low, good heat dissipation effect, service life are long, cooling wind draft is adjustable.
Description
Technical field
The present invention relates to electric appliance manufacturing technology field, in particular to a kind of smoke exhaust fan for gas heater,
It is used for combustion gas for the smoke evacuation system of gas heater and with described in the smoke exhaust fan for gas heater
The gas heater of the smoke evacuation system of water heater.
Background technology
During strong suction gas water heater work, the motor bearings of smoke exhaust fan is heated by high-temperature flue gas, excessive temperature
It can influence the service life of motor, it is therefore necessary to effectively radiated to motor.
In correlation technique, generally use air blast cooling mode radiates, and specifically, is carried out by additionally increasing radiator fan
Blow by force, can so radiate to motor, but heat dissipation effect is not very good, the cooling to motor is limited.
The content of the invention
It is contemplated that one of above-mentioned technical problem in correlation technique is solved at least to a certain extent.For this reason, this hair
It is bright proposition a kind of smoke exhaust fan for gas heater, the smoke exhaust fan for being used for gas heater can not only realize for
The strong pump drainage of flue gas is put, and can realize the heat dissipation to motor, has that simple in structure, cost is low, good heat dissipation effect, uses the longevity
The advantages that life is long, cooling wind draft is adjustable.
The present invention also proposes a kind of smoke evacuation system with the smoke exhaust fan for gas heater.
The present invention also proposes a kind of gas heater with the smoke evacuation system for gas heater.
To achieve the above object, embodiment according to the first aspect of the invention proposes a kind of row for gas heater
Cigarette wind turbine, the smoke exhaust fan for gas heater include：Casing, the casing be equipped with gas inlet, cooling wind into
Mouth and exhanst gas outlet；Impeller, the impeller are rotatably provided in the casing, and the both ends of the surface of the impeller respectively constitute direction
The smoking port of the gas inlet and the inlet scoop towards the cooling wind inlet, the outer circumferential surface of the impeller are formed described in
The air outlet of exhanst gas outlet；Partition plate, the partition plate are located in the impeller and separate the smoking port and the inlet scoop；Electricity
Machine, on the housing and at the cooling wind inlet, the motor is sequentially connected with the impeller for the motor installation,
Wherein, the radius of the cooling wind inlet is taken out with the difference of the maximum radius of the outer contour of the motor for size adjustable first
Power regulated value A, the motor are in its axial direction the adjustable second draft tune of size with described the distance between the wind inlet that cools down
Section value B.
Smoke exhaust fan for gas heater according to embodiments of the present invention can not only be realized to be taken out for the strong of flue gas
Discharge, and can realize the heat dissipation to motor, have that simple in structure, cost is low, good heat dissipation effect, service life are long, cooling
The advantages that wind draft is adjustable.
In addition, the smoke exhaust fan for gas heater according to embodiments of the present invention can also have skill additional as follows
Art feature：
According to one embodiment of present invention, the cooling wind inlet is lateral opening for varus, and the second draft regulated value B is
The motor the distance between the inner face of in-flanges with the cooling wind inlet in its axial direction.
According to one embodiment of present invention, the overall diameter R0 of the partition plate and the ratio of the overall diameter R1 of the impeller are
1/3~1.
According to one embodiment of present invention, in the axial direction of the impeller, between the partition plate and the smoking port
Distance is more than the distance between the partition plate and the inlet scoop.
According to one embodiment of present invention, the relative position fixation of the partition plate and the impeller is with impeller rotation
Turn.
According to one embodiment of present invention, the casing has volute structure, the gas inlet and the cooling wind
Import is respectively provided at the opening up of the both ends of the surface of the casing and the exhanst gas outlet.
According to one embodiment of present invention, the circumferential court of the distance between the impeller and the casing along the casing
The direction of the exhanst gas outlet gradually increases.
Embodiment according to the second aspect of the invention proposes a kind of smoke evacuation system for gas heater, described to be used for
The smoke evacuation system of gas heater includes：For carrying out the exhaust fume collecting hood of rectification to flue gas；For guiding the cigarette in the exhaust fume collecting hood
The smoke exhaust fan of gas discharge, the smoke exhaust fan are to be used for gas and hot water according to the embodiment of the first aspect of the present invention
The smoke exhaust fan of device, the smoke exhaust fan are installed on the exhaust fume collecting hood, the gas inlet towards inside the exhaust fume collecting hood and
The cooling wind inlet is towards outside the exhaust fume collecting hood.
Smoke evacuation system for gas heater according to embodiments of the present invention, by using first party according to the present invention
The smoke exhaust fan for gas heater described in the embodiment in face, have it is simple in structure, cost is low, good heat dissipation effect, use
Long lifespan, the advantages that motor cooling effectiveness is adjustable.
Embodiment according to the third aspect of the invention we proposes a kind of gas heater, and the gas heater includes：Change
Hot systems；For the combustion system heated to the heat-exchange system；The flue gas produced for discharging the combustion system
Smoke evacuation system, the smoke evacuation system are the smoke evacuation for gas heater according to the embodiment of the first aspect of the present invention
System.
Gas heater according to embodiments of the present invention, by using described in embodiment according to the second aspect of the invention
The smoke evacuation system for gas heater, have that simple in structure, cost is low, service life is long, motor cooling effectiveness is adjustable etc.
Advantage.
According to one embodiment of present invention, the gas heater further includes：Combustion heat-exchange cavity, the heat-exchange system
It is located at the combustion system in the combustion heat-exchange cavity, the exhaust fume collecting hood is installed on the top of the combustion heat-exchange cavity.
Brief description of the drawings
Fig. 1 is the structure diagram of gas heater according to embodiments of the present invention.
Fig. 2 is the sectional view along its length of the smoke evacuation system for gas heater according to embodiments of the present invention.
Fig. 3 is the sectional view in the width direction of the smoke evacuation system for gas heater according to embodiments of the present invention.
Fig. 4 is the structural representation of the impeller and partition plate of the smoke exhaust fan for gas heater according to embodiments of the present invention
Figure.
Reference numeral：
Gas heater 1,
Heat-exchange system 10, combustion system 20, smoke evacuation system 30, combustion heat-exchange cavity 40,
Exhaust fume collecting hood 100,
Smoke exhaust fan 200,
Casing 210, gas inlet 211, cooling wind inlet 212, exhanst gas outlet 213,
Impeller 220, smoking port 221, inlet scoop 222, air outlet 223,
Partition plate 230,
Motor 240, motor shaft 241.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the description smoke exhaust fan 200 for gas heater according to embodiments of the present invention.
As Figure 1-Figure 4, the smoke exhaust fan 200 for gas heater according to embodiments of the present invention includes casing
210th, impeller 220, partition plate 230 and motor 240.
Casing 210 is equipped with exhanst gas outlet 213, cooling wind inlet 212 and exhanst gas outlet 213.Impeller 220 is rotatably set
In casing 210, the both ends of the surface of impeller 220 are respectively constituted towards the smoking port 221 of gas inlet 211 and towards cooling wind inlet
212 inlet scoop 222, the outer circumferential surface of impeller 220 form the air outlet 223 towards exhanst gas outlet 213, and in other words, impeller 220 is
Double-sided impeller.Partition plate 230 is located in impeller 220 and separates smoking port 221 and inlet scoop 222.Motor 240 is installed on casing
On 210 and at cooling wind inlet 212, so that motor 240 and smoking port 221 are separated by partition plate 230, motor 240 and impeller
220 are sequentially connected, for driving impeller 220 to rotate.
Wherein, it is adjustable for size with the difference of the maximum radius of the outer contour of motor 240 to cool down the radius of wind inlet 212
First draft regulated value A, distance of the motor 240 in the axial direction of motor 240 between cooling wind inlet 212 are adjustable for size
Second draft regulated value B.
Below with reference to the accompanying drawings the description smoke exhaust fan 200 for gas heater according to embodiments of the present invention is worked
Journey.
Motor 240 runs rear-guard movable vane wheel 220 and rotates, and impeller 220 rotates air draught, and high-temperature flue gas is by 211 quilt of gas inlet
Smoking port 221 sucks, and environment cold wind is sucked by cooling wind inlet 212 by inlet scoop 222 and environment cold wind is in the process being inhaled into
It is middle to pass through motor 240, so as to be cooled down to motor 240 and its motor shaft 241, the high-temperature flue gas and environment cold wind being inhaled into by
Air outlet 223 send to exhanst gas outlet 213 and mixes discharge.Wherein, partition plate 230 be arranged on smoking port 221 and inlet scoop 222 it
Between, high-temperature flue gas is stopped by partition plate 230 after being entered by gas inlet 211 and can not touch motor 240 and its motor shaft 241.
Smoke exhaust fan 200 for gas heater according to embodiments of the present invention, has 221 He of smoking port by setting
The impeller 220 of inlet scoop 222, using double suction wind principle, side sucks flue gas to guide flue gas to discharge, side suction environment cold wind
Motor 240 and its motor shaft 241 are cooled down, can realize forced fume exhaust, and can realize that motor 240 cools down, and need not be set
Extra radiator fan is put, so as to simplify structure, reduce cost.Also, by setting partition plate 230 in impeller 220, realize electricity
Machine 240 is isolated with high-temperature flue gas, is reduced high-temperature flue gas directly heating to motor 240, is achieveed the purpose that cooling, further carry
The high cooling effect to motor 240.In addition, by the way that the outer contour of radius and the motor 240 of wind inlet 212 will be cooled down
The difference of maximum radius is arranged to the adjustable first draft regulated value A of size, and by motor 240 in the axial direction of motor 240 with
Cooling the distance between wind inlet 212 is arranged to the adjustable second draft regulated value B of size, so as to by jointly controlling the
The size of one draft regulated value A and the second draft regulated value B, to control the draft size to environment cold wind, and then control environment
The air inflow of cold wind.
Smoke exhaust fan 200 for gas heater according to embodiments of the present invention can not only be realized for the strong of flue gas
Pump drainage is put, and can realize the heat dissipation to motor, has that simple in structure, cost is low, good heat dissipation effect, service life are long, cold
But the advantages that wind draft is adjustable.
Below with reference to the accompanying drawings the smoke exhaust fan 200 for gas heater of specific embodiment according to the present invention is described.
As Figure 1-Figure 4, the smoke exhaust fan 200 for gas heater according to embodiments of the present invention includes casing
210th, impeller 220, partition plate 230 and motor 240.
Further, as shown in figure 3, cooling wind inlet 212 is lateral opening for varus, the second draft regulated value B is motor
240 in its axial direction with cooling down the distance between inner face of in-flanges of wind inlet 212.
Specifically, the first draft regulated value A is timing, represents that the radius of cooling wind inlet 212 is more than the outer of motor 240
The maximum radius of profile；When first draft regulated value A is bears, represent that the maximum radius of the outer contour of motor 240 is more than cooling wind
The radius of import 212.
Second draft regulated value B is timing, represents that motor 240 is located at outside casing 210；Second draft regulated value B is negative
When, represent that motor 240 is located inside casing 210.
Wherein, when the first draft regulated value A is bears, the second draft regulated value B only can be just, to pass through and adjust the second pumping
The size of the size control cooling wind draft of power regulated value B.
When the first draft regulated value A is timing, the second draft regulated value B can be just or be negative, pass through adjusting
The size of the size control cooling wind draft of first draft regulated value A.
Alternatively, partition plate 230 and the relative position of impeller 220 are fixed, i.e., partition plate 230 is fixedly mounted in impeller 220, with
Partition plate 230 is rotated with impeller 220, thereby guarantee that the stability of impeller 220 and partition plate 230, so as to ensure partition plate 230 to high temperature
The isolation effect of flue gas.
In some specific embodiments of the present invention, as shown in Fig. 2, partition plate 230 is the circle with the shape adaptation of impeller 220
Annular slab, the ratio of the overall diameter R0 of the partition plate 230 and overall diameter R1 of impeller 220 is 1/3~1, it is possible thereby to further improve
To the isolation effect of high-temperature flue gas, to reduce the temperature rise of motor 240, while the structure size of smoke exhaust fan 200 is reduced.
Advantageously, as shown in Figure 3 and Figure 4, in the axial direction of impeller 220, the distance between partition plate 230 and smoking port 221
More than the distance between partition plate 230 and inlet scoop 222, that is to say, that partition plate 230 is relative to smoking port 221 more adjacent to air draught
Mouth 222.So can ensure to environment cold wind to the cooling effect of motor 240 in the case of, ensure the discharge efficiency of flue gas
And discharge capacity.
In some specific embodiments of the present invention, as shown in Fig. 2, casing 210 has volute structure, i.e. casing 210 is big
Body is in snail hull shape, gas inlet 211 be located on the end face of casing 210 and with 221 position correspondence of smoking port, cool down wind inlet
212 be located on the other end of casing 210 and with 222 position correspondence of inlet scoop, exhanst gas outlet 213 it is opening up.Thus may be used
To facilitate gas inlet 211 to suck high-temperature flue gas and convenient cooling wind inlet 212 suction environment cold wind, beneficial to smoke exhaust fan 200
Installation and high-temperature flue gas and motor 240 isolate, and the high-temperature flue gas and environment cold wind that are inhaled into can be swimmingly by cigarettes
213 discharge of gas outlet.
Further, as shown in Fig. 2, the distance between inner peripheral surface of the outer circumferential surface of impeller 220 and casing 210 is along casing
210 circumferential direction gradually increases towards the direction of exhanst gas outlet 213, and impeller 220 is located at exhanst gas outlet adjacent to the inner peripheral surface of casing 210
The opposite side positioned at exhanst gas outlet 213 of the inner peripheral surface of 213 side and remote casing 210.The high-temperature flue gas and ring being inhaled into
Border cold wind is sent to casing 210 by the outer circumferential surface of impeller 220, and along the week of casing 210 under the guiding of the inner peripheral surface in casing 210
To movement, high-temperature flue gas and environment are finally combined by the discharge of exhanst gas outlet 213, impeller 220 and the spacing setting of casing 210
The small part spacing of air volume adjustment of the cold wind in whole discharge process, i.e. air quantity is small, and the big part spacing of air quantity is big, so as to protect
Demonstrate,prove the fluency of high-temperature flue gas and environment cold wind in whole discharge process.
Below with reference to the accompanying drawings the description smoke evacuation system 30 for gas heater according to embodiments of the present invention.
As shown in Figure 1-Figure 3, the smoke evacuation system 30 for gas heater according to embodiments of the present invention includes exhaust fume collecting hood
100 and smoke exhaust fan 200.
Exhaust fume collecting hood 100 is used to carry out rectification to flue gas.Smoke exhaust fan 200 is used to guide the flue gas in exhaust fume collecting hood 100 to discharge,
Smoke exhaust fan 200 be installed on exhaust fume collecting hood 100 on, such as casing 210 be installed on exhaust fume collecting hood 100 on, gas inlet 211 towards collection cigarette
To suck high-temperature flue gas when motor 240 run inside cover 100, cool down wind inlet 212 towards outside exhaust fume collecting hood 100 with motor
Environment cold wind is sucked during 240 operation.
Smoke evacuation system 30 for gas heater according to embodiments of the present invention, by using above-mentioned reality according to the present invention
Apply the smoke exhaust fan 200 for gas heater of example, have simple in structure, cost is low, good heat dissipation effect, service life are long,
The advantages that motor cooling effectiveness is adjustable.
Below with reference to the accompanying drawings gas heater 1 according to embodiments of the present invention is described.
As shown in Figure 1, gas heater 1 according to embodiments of the present invention includes heat-exchange system 10, combustion system 20 and row
Cigarette system 30.
Combustion system 20 is heated for exchanging hot systems 10.Smoke evacuation system 30 is used for what burning system of discharging 20 produced
Flue gas.
Gas heater 1 according to embodiments of the present invention, is used for combustion gas by using according to the above embodiment of the present invention
The smoke evacuation system 30 of water heater, has the advantages that simple in structure, cost is low, service life is long, motor cooling effectiveness is adjustable.
Further, as shown in Figure 1, gas heater 1 further includes combustion heat-exchange cavity 40, heat-exchange system 10 and burning are
System 20 is located in combustion heat-exchange cavity 40, and exhaust fume collecting hood 100 is installed on the top of combustion heat-exchange cavity 40.So it can not only reduce
The loss of heat, and can scatter to avoid flue gas to the inside of gas heater 1, ensure smoke exhaust effect.
Other of gas heater 1 according to embodiments of the present invention are formed and operated for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te
Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple " are meant that at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms is not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this
Different embodiments or example described in bright book are engaged and combined.
Although the embodiment of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
- A kind of 1. smoke exhaust fan for gas heater, it is characterised in that including：Casing, the casing are equipped with gas inlet, cooling wind inlet and exhanst gas outlet；Impeller, the impeller are rotatably provided in the casing, and the both ends of the surface of the impeller are respectively constituted towards the flue gas The smoking port of import and the inlet scoop towards the cooling wind inlet, the outer circumferential surface of the impeller are formed towards the exhanst gas outlet Air outlet；Partition plate, the partition plate are located in the impeller and separate the smoking port and the inlet scoop；Motor, on the housing and at the cooling wind inlet, the motor is passed with the impeller for the motor installation Dynamic connection,Wherein, the difference of the maximum radius of the outer contour of radius and the motor of the cooling wind inlet is size adjustable the One draft regulated value A, the motor are taken out with described the distance between the wind inlet that cools down for size adjustable second in its axial direction Power regulated value B.
- 2. the smoke exhaust fan according to claim 1 for gas heater, it is characterised in that it is described cooling wind inlet be Varus is lateral opening, the second draft regulated value B be the motor in its axial direction with it is described cooling wind inlet in-flanges in The distance between end face.
- 3. the smoke exhaust fan according to claim 1 for gas heater, it is characterised in that the overall diameter of the partition plate The ratio of the R0 and overall diameter R1 of the impeller is 1/3~1.
- 4. the smoke exhaust fan according to claim 1 for gas heater, it is characterised in that in the axial direction of the impeller On, the distance between the partition plate and the smoking port are more than the distance between the partition plate and the inlet scoop.
- 5. the smoke exhaust fan according to claim 1 for gas heater, it is characterised in that the partition plate and the leaf The relative position fixation of wheel is with impeller rotation.
- 6. the smoke exhaust fan according to claim 1 for gas heater, it is characterised in that the casing has spiral case Structure, the gas inlet and the cooling wind inlet are respectively provided at the opening of the both ends of the surface and the exhanst gas outlet of the casing Upward.
- 7. the smoke exhaust fan according to claim 6 for gas heater, it is characterised in that the impeller and the machine The distance between shell gradually increases along the circumferential of the casing towards the direction of the exhanst gas outlet.
- A kind of 8. smoke evacuation system for gas heater, it is characterised in that including：For carrying out the exhaust fume collecting hood of rectification to flue gas；For the smoke exhaust fan for guiding the flue gas in the exhaust fume collecting hood to discharge, the smoke exhaust fan is according in claim 1-7 Any one of them is used for the smoke exhaust fan of gas heater, and the smoke exhaust fan is installed on the exhaust fume collecting hood, the flue gas Import is towards inside the exhaust fume collecting hood and the cooling wind inlet is towards outside the exhaust fume collecting hood.
- A kind of 9. gas heater, it is characterised in that including：Heat-exchange system；For the combustion system heated to the heat-exchange system；The smoke evacuation system of the flue gas produced for discharging the combustion system, the smoke evacuation system are according to claim 8 The smoke evacuation system for gas heater.
- 10. gas heater according to claim 9, it is characterised in that further include：Combustion heat-exchange cavity, the heat-exchange system and the combustion system are located in the combustion heat-exchange cavity, the exhaust fume collecting hood Installed in the top of the combustion heat-exchange cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205321.0A CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611205321.0A CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108006730A true CN108006730A (en) | 2018-05-08 |
| CN108006730B CN108006730B (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611205321.0A Active CN108006730B (en) | 2016-12-23 | 2016-12-23 | Smoke exhaust fan and smoke exhaust system for gas water heater and gas water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375349A (en) * | 2019-06-27 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of side extraction cooking fume extractor |
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| CN103486057A (en) * | 2013-09-29 | 2014-01-01 | 李锡坚 | Centrifugal fan and smoke collection and discharge device applying same |
| CN205225803U (en) * | 2015-12-24 | 2016-05-11 | 云南贵鼓风机有限公司 | Air -blower that radiating effect is good |
| CN106152479A (en) * | 2016-08-26 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
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2016
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|---|---|---|---|---|
| CN2335094Y (en) * | 1998-02-19 | 1999-08-25 | 高景绪 | Exhauster for gas water-heater |
| CN103486057A (en) * | 2013-09-29 | 2014-01-01 | 李锡坚 | Centrifugal fan and smoke collection and discharge device applying same |
| CN205225803U (en) * | 2015-12-24 | 2016-05-11 | 云南贵鼓风机有限公司 | Air -blower that radiating effect is good |
| CN106152479A (en) * | 2016-08-26 | 2016-11-23 | 芜湖美的厨卫电器制造有限公司 | Gas heater |
| CN206398805U (en) * | 2016-12-23 | 2017-08-11 | 芜湖美的厨卫电器制造有限公司 | Smoke exhaust fan and smoke evacuation system and gas heater for gas heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110375349A (en) * | 2019-06-27 | 2019-10-25 | 宁波方太厨具有限公司 | A kind of side extraction cooking fume extractor |
| CN110375349B (en) * | 2019-06-27 | 2021-05-18 | 宁波方太厨具有限公司 | Side-draft range hood |
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