CN108800256A

CN108800256A - Smoke exhaust ventilator and its spiral case component

Info

Publication number: CN108800256A
Application number: CN201810837234.XA
Authority: CN
Inventors: 方云超; 杨星星; 秦兴元; 季俊生
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2018-07-26
Filing date: 2018-07-26
Publication date: 2018-11-13
Anticipated expiration: 2038-07-26
Also published as: CN108800256B

Abstract

The invention discloses a kind of smoke exhaust ventilator and its spiral case component, the smoke exhaust ventilator includes：Steam generator；There is steam channel, the steam inlet of the steam channel to be connected to the steam (vapor) outlet of the steam generator for spiral case, the spiral case；Wind wheel, the wind wheel are located in the spiral case；And steam jet, the steam inlet of the steam jet are connected to the steam (vapor) outlet of the steam channel, the steam jet coordinates to spray steam to the wind wheel with the wind wheel.Smoke exhaust ventilator according to the ... of the embodiment of the present invention can not only clean wind wheel, and can clean spiral case, to have many advantages, such as that smoke evacuation is smooth, low noise, low energy consumption, motor service life is long.

Description

Smoke exhaust ventilator and its spiral case component

Technical field

The present invention relates to field of household appliances, and in particular, to smoke exhaust ventilator further relates to the spiral case component of smoke exhaust ventilator.

Background technology

Smoke exhaust ventilator after a period of use, can adhere to grease on spiral case and wind wheel.Wherein, grease being adhered on wind wheel can increase Add the weight of wind wheel, and then aggravate the load of the motor of driving wind wheel rotation, so that reducing the service life of motor.Spiral case it is interior Surface generates coarse wall surface because adhering to grease, not only influences smooth discharge of the oil smoke in spiral case, but also will increase oil pumping The noise of smoke machine.

The relevant technologies can be cleaned the grease on wind wheel to remove using steam to wind wheel, but can not clean snail Shell.

Invention content

It is of the existing technology the purpose of the invention is to overcome the problems, such as, smoke exhaust ventilator and its spiral case component are provided.

To achieve the goals above, first aspect present invention provides a kind of smoke exhaust ventilator, and the smoke exhaust ventilator includes：Steam Generator；Spiral case, the spiral case have steam channel, the steam of the steam inlet of the steam channel and the steam generator Outlet；Wind wheel, the wind wheel are located in the spiral case；And steam jet, the steam inlet of the steam jet with it is described The steam (vapor) outlet of steam channel is connected to, and the steam jet coordinates to spray steam to the wind wheel with the wind wheel.

Smoke exhaust ventilator according to the ... of the embodiment of the present invention can not only clean wind wheel, and can clean spiral case, to have Discharge fume smooth, low noise, low energy consumption, motor advantage with long service life.

Preferably, there is the spiral case hollow cavity, the hollow cavity to constitute the steam channel；Alternatively, the spiral case packet It includes：Shell, the wind wheel are located in the shell；And heating tube, the heating tube is located on the peripheral surface of the shell, described Channel in heating tube constitutes the steam channel.

Preferably, the smoke exhaust ventilator further comprises heat-conducting piece, and the heat-conducting piece has opposite first surface and the At least part on two surfaces, the first surface is curved surface, and at least part of the second surface is curved surface, wherein described Described at least part of first surface is contacted at least part of the peripheral surface of the shell, the second surface it is described At least part is contacted at least part of the peripheral surface of the heating tube.

Preferably, the peripheral surface of at least part of shape and shell of the first surface it is described at least The shape adaptation of a part, at least part of shape of the second surface are described with the peripheral surface of the heating tube At least part of shape adaptation.

Preferably, the steam channel is configured to snakelike, and the steam channel includes：Multiple flat segments, it is multiple described flat Straight section is arranged along the circumferentially spaced of the spiral case, and each flat segments are along the axially extending of the spiral case, wherein adjacent Distance of two flat segments in the circumferential direction of the spiral case the spiral case circumferential upper edge far from the volute tongue of the spiral case Direction reduce；With at least one segmental arc, the of one end in the two neighboring flat segments and the segmental arc One end is connected, another the end in the two neighboring flat segments is connected with the second end of the segmental arc.

Second aspect of the present invention provides a kind of spiral case of smoke exhaust ventilator, and the spiral case has steam channel.

Spiral case according to the ... of the embodiment of the present invention has the advantages that be heated by steam, can be cleaned automatically.

Preferably, there is the spiral case hollow cavity, the hollow cavity to constitute the steam channel；Alternatively, the spiral case packet It includes：Shell；And heating tube, the heating tube are located on the peripheral surface of the shell, described in the channel composition in the heating tube Steam channel.

Preferably, the spiral case of the smoke exhaust ventilator further comprises that heat-conducting piece, the heat-conducting piece have the first opposite table At least part of face and second surface, the first surface is curved surface, and at least part of the second surface is curved surface, Described in described at least part of first surface contacted at least part of the peripheral surface of the shell, the second surface Described at least part contacted at least part of the peripheral surface of the heating tube.

Description of the drawings

Fig. 1 is the structural schematic diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 2 is the structural schematic diagram of the spiral case component of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 3 is the structural schematic diagram of the heating tube of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 4 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 5 is the structural schematic diagram of the heat-conducting piece of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 6 is the structural schematic diagram of the heat-conducting piece of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 7 is the structural schematic diagram of the cleaning device of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 8 is the partial structural diagram of the cleaning device of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Fig. 9 is the partial structural diagram of the cleaning device of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 10 is the structural schematic diagram of the triple valve of smoke exhaust ventilator according to the ... of the embodiment of the present invention, and spool is located at close stance It sets；

Figure 11 is the structural schematic diagram of the triple valve of smoke exhaust ventilator according to the ... of the embodiment of the present invention, and spool is located at first and opens Position；

Figure 12 is the structural schematic diagram of the triple valve of smoke exhaust ventilator according to the ... of the embodiment of the present invention, and spool is located at second and opens Position；

Figure 13 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 14 is the partial structural diagram of the steam generator of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 15 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 16 is the partial structural diagram of the steam generator of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 17 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 18 is the partial structural diagram of the steam generator of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 19 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 20 is the structural schematic diagram of the spiral case of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 21 is the partial structural diagram of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 22 is the structural schematic diagram of the heat-conducting piece of smoke exhaust ventilator according to the ... of the embodiment of the present invention；

Figure 23 is the structural schematic diagram of the heat-conducting piece of smoke exhaust ventilator according to the ... of the embodiment of the present invention.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to The embodiment of attached drawing 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 smoke exhaust ventilator 1 according to the ... of the embodiment of the present invention is described.As shown in Fig. 1-Fig. 3, Figure 19 and Figure 20, Smoke exhaust ventilator 1 according to the ... of the embodiment of the present invention includes steam generator 10, spiral case 20, wind wheel 30 and steam jet 40a.Spiral case 20 With steam channel, the steam inlet 220 of the steam channel is connected to the steam (vapor) outlet of steam generator 10, and wind wheel 30 is located at snail In shell 20.The steam inlet of steam jet 40a is connected to the steam (vapor) outlet 230 of the steam channel, steam jet 40a and wind wheel 30 Coordinate to spray steam to wind wheel 30.

The process of cleaning spiral case 20 and wind wheel 30 is described below with reference to Fig. 1-Fig. 3, Figure 19 and Figure 20.First, steam is utilized Generator 10 generates steam, which can be transported in the steam channel of spiral case 20 and be adhered on spiral case 20 to heat Grease, be adhered to grease on spiral case 20 it is heated after be in soft state.The steam leave the steam channel of spiral case 20 after, It enters in steam jet 40a, which is ejected into the grease removed on wind wheel 30 on wind wheel 30 by steam jet 40a.

The steam contacted with wind wheel 30 after, condensation become condensed water, since wind wheel 30 is in rotation status, wind wheel 30 The condensed water can be thrown on spiral case 20.Specifically, which can be thrown on the inner peripheral surface of spiral case 20 by wind wheel 30, oil Fat is mainly adhered on the inner peripheral surface of spiral case 20.The condensed water can wash away the inner peripheral surface of spiral case 20, can wash away By the grease of thermal softening, to remove the grease being adhered on the inner peripheral surface of spiral case 20, achieve the effect that clean spiral case 20.

Smoke exhaust ventilator 1 according to the ... of the embodiment of the present invention is by making spiral case 20 have the steam channel, so as to utilize warp The steam for crossing the steam channel heats and softens the grease being adhered on spiral case 20.It is possible thereby to be generated using cleaning wind wheel 30 cold Condensate washes away the grease by thermal softening, so as to remove the grease being adhered on spiral case 20.

Therefore, smoke exhaust ventilator 1 according to the ... of the embodiment of the present invention can not only clean wind wheel 30, and can clean spiral case 20, to have many advantages, such as that smoke evacuation is smooth, low noise, low energy consumption, motor service life is long.

As shown in Fig. 1-Figure 23, in some embodiments of the invention, smoke exhaust ventilator 1 may include exhaust fume collecting hood 80, smoke Cover 70, spiral case 20, wind wheel 30 and cleaning device 50.Going out petticoat pipe 70 can be located on exhaust fume collecting hood 80, and spiral case 20 can be located at smoke In cover 70, wind wheel 30 can be located in spiral case 20.

Cleaning device 50 may include detergent source 510, detergent jet pipe 520 and sliding block 530.Detergent jet pipe 520 can To be cleaned to spiral case 20 and wind wheel 30, the grease on spiral case 20 and wind wheel 30 to remove.For example, detergent jet pipe 520 Steam or cleaning agent can be sprayed, to utilize the grease on steam or cleaning agent removal spiral case 20 and wind wheel 30.

As shown in Figure 8 and Figure 9, detergent jet pipe 520 can have detergent import and multiple detergent spray-holes 521, The detergent import of detergent jet pipe 520 can be with the detergent outlet in detergent source 510, multiple detergent spray-holes 521 can be at interval arranged along the length direction of detergent jet pipe 520.

Preferably, multiple detergent spray-holes 521 can be equally spacedly arranged, it is possible thereby to more uniformly injection cleaning Agent (such as steam or cleaning agent), so as to more uniformly clean wind wheel 30 more uniformly to remove on wind wheel 30 Grease.

Sliding block 530 can be movably arranged at along the length direction of detergent jet pipe 520 in detergent jet pipe 520, sliding block 530 can cover a part for multiple detergent spray-holes 521.In other words, sliding block 530 can not cover whole detergent spray-holes 521。

As shown in figure 19, at least part of detergent jet pipe 520 can be sprayed along the axially extending of wind wheel 30, i.e. detergent At least part of length direction of pipe 520 is axial consistent with wind wheel 30.This of detergent jet pipe 520 at least partially may be used To coordinate so that detergent to be ejected on wind wheel 30 with wind wheel 30, (hereafter will be described in detail so as to clean wind wheel 30 How spiral case 20 is cleaned).

Preferably, sliding block 530 can be movably arranged in at least part of detergent jet pipe 520.Detergent sprays At least part of length of pipe 520 can be equal to axial length (the i.e. length in its axial direction of wind wheel 30 of wind wheel 30 Or size), at least part of length of detergent jet pipe 520 can also be slightly larger than or the axial direction of slightly smaller than wind wheel 30 is long Degree.

In order to comprehensively clean wind wheel, the axial length of the length and wind wheel that can make detergent jet pipe is generally equalized.But It is that can cause the detergent spray-hole on detergent jet pipe excessive in this way, and then lead to the detergent of detergent jet pipe injection Pressure is relatively low, can not effectively, thoroughly wash grease on wind wheel.

Therefore, the prior art shortens the length of detergent jet pipe to reduce the quantity of detergent spray-hole, and then can be with Keep the pressure of the detergent of detergent jet pipe injection higher, and the axial direction using driving device driving detergent jet pipe along wind wheel is moved It moves comprehensively to clean wind wheel.But due to needing to increase setting driving device, cause the structure of smoke exhaust ventilator multiple Miscellaneous, assembly difficulty increases, manufacturing cost increases.

Cleaning device 50 according to the ... of the embodiment of the present invention can be along detergent jet pipe by the setting in detergent jet pipe 520 The sliding block 530 and sliding block 530 of 520 length direction movement can cover a part for multiple detergent spray-holes 521, to When cleaning wind wheel 30 using cleaning device 50, multiple detergent spray-holes 521 of detergent jet pipe 520 some aweather 30 injection detergent of wheel, it may thereby be ensured that the pressure for the detergent that detergent jet pipe 520 sprays is larger.

Moreover, because sliding block 530 can be moved along the length direction of detergent jet pipe 520, therefore pass through mobile sliding block 530 Different detergent spray-holes 521 can be covered, that is to say, that can be by different detergent spray-holes 521 to wind wheel 30 Detergent is sprayed, so as to realize effect identical with mobile detergent jet pipe 520.It is possible thereby to ensuring detergent jet pipe 520 injection detergents pressure it is larger in the case of, comprehensively clean wind wheel 30.In other words, cleaning device 50 is without setting Drive the driving device of 520 movement of detergent jet pipe, so that it may comprehensively to clean wind wheel 30.

Therefore, cleaning device 50 according to the ... of the embodiment of the present invention is good with cleaning performance, cleaning is thorough, cleaning is comprehensive, ties The advantages such as structure is simple, assembly difficulty is low, manufacturing cost is low.

Detergent source 510 can be steam generator 10 or cleaning agent box.When detergent source 510 is steam generator 10 When, detergent jet pipe 520 can be steam jet 40a, and steam jet 40a can spray steam to wind wheel 30；When detergent source 510 when being the cleaning agent box, can accommodate detergent (such as water, fumes from cleaning agent etc.), the detergent in the cleaning agent box It can be transported to by water pump in detergent jet pipe 520.

When smoke exhaust ventilator 1 install after or in display state when or in use state when, the axial direction of wind wheel 30 with Front-rear direction is consistent, i.e. this of detergent jet pipe 520 can extend along the longitudinal direction at least partially.Wherein, front-rear direction is such as Shown in arrow A in Figure 19.Sliding block 530 can be along at least part of length direction of detergent jet pipe 520, neighbouring clear It is moved between the rear seal-cover position of the rear end of the preceding closure position of the front end of clean dose of jet pipe 520 and neighbouring detergent jet pipe 520 Ground is located in at least part of detergent jet pipe 520.

Preferably, the length direction of sliding block 530 can be consistent with the length direction of detergent jet pipe 520, detergent jet pipe 520 length can be more than 2 with the length ratio of sliding block 530, so as at least part of at least one detergent spray-hole 521 Always expose.

It is possible thereby to which detergent sprays after the clean range of detergent jet pipe 520 is moved with sliding block 530 before so that sliding block 530 is moved The clean range of pipe 520 partially overlaps, so as to be cleaned more fully hereinafter to wind wheel 30.It is somebody's turn to do for example, sliding block 530 is located at Detergent jet pipe 520 when the clean range of detergent jet pipe 520 is located at the rear seal-cover position with sliding block 530 when preceding closure position Clean range can partially overlap.

As shown in Figure 8 and Figure 9, detergent spray-hole 521 can be odd number (such as 5), be located at intermediate detergent Spray-hole 521 can be located at the middle part of detergent jet pipe 520.That is, positioned at intermediate detergent spray-hole 521 and cleaning The distance of the first end (front end) of agent jet pipe 520 can be substantially equivalent to positioned at intermediate detergent spray-hole 521 and cleaning The distance of the second end (rear end) of agent jet pipe 520.When sliding block 530 is located at the preceding closure position, it is located at intermediate cleaning Agent spray-hole 521 exposes (not covered by sliding block 530)；When sliding block 530 is located at the rear seal-cover position, it is located at intermediate detergent Spray-hole 521 exposes.

As shown in Figure 8 and Figure 9, cleaning device 50 may further include the first locating part 561 and the second locating part 562, First locating part 561 and the second locating part 562 can be located at detergent spray at interval along the length direction of detergent jet pipe 520 In pipe 520.Sliding block 530 and each detergent spray-hole 521 can be located at the first limit on the length direction of detergent jet pipe 520 Between position part 561 and the second locating part 562.By the way that the first locating part 561 and the second locating part 562 is arranged, so as to limit The moving range of sliding block 530 avoids sliding block 530 from hitting the end of detergent jet pipe 520.

In one embodiment of the invention, sliding block 530 can be made of magnetic part or sliding block 530 by ferrimagnet, Cleaning device 50 may further include the first electromagnet (not shown), which can coordinate with sliding block 530 So that band movable slider 530 moves in detergent jet pipe 520.

Specifically, it can be powered to first electromagnet so that first electromagnet generates magnetic field, thus first electromagnetism Iron can apply magnetic force to sliding block 530.Furthermore, it is possible to be passed through the sense of current of first electromagnet by change to change this The direction of magnetic force is passed through the sense of current of first electromagnet on the contrary, the direction of the magnetic force is also opposite.Due to first electricity Magnet can be by applying the magnetic force, to drive sliding block 530 to be moved in detergent jet pipe 520 to sliding block 530.Preferably, should First electromagnet can be adjacent to the end of detergent jet pipe 520.

In another embodiment of the present invention, the first end (example opposite in its longitudinal direction of detergent jet pipe 520 Such as front end) and second end (such as rear end) open wide to form two detergent imports, cleaning device 50 may further include First detergent delivery pipe, the second detergent delivery pipe, the first pressure regulator valve and the second pressure regulator valve (not shown).

The first end of the first detergent delivery pipe can be with the detergent outlet in detergent source 510, this is first clear The second end of clean dose of delivery pipe can be connected to the first end of detergent jet pipe 520.The first end of the second detergent delivery pipe Can be with the detergent outlet in detergent source 510, the second end of the second detergent delivery pipe can be with detergent jet pipe 520 second end connection.First pressure regulator valve can be located in the first detergent delivery pipe, which can be located at In the second detergent delivery pipe.

In order to make the technical solution of the application easily facilitate understanding, below using the first end of detergent jet pipe 520 as front end, Second end is the course of work of description cleaning device 50 for rear end.

When needing to clean the front of wind wheel 30, first pressure regulator valve and second pressure regulator valve can be adjusted, to make this The pressure of the detergent of first detergent delivery pipe output is more than the pressure of the detergent of the second detergent delivery pipe output.By (detergent is from detergent jet pipe 520 after the detergent of this first detergent delivery pipe output enters detergent jet pipe 520 Front end enter in detergent jet pipe 520), sliding block 530 can be pushed to move backward, so as to from positioned at detergent jet pipe The detergent spray-hole 521 of 520 front sprays the detergent, to clean the front of wind wheel 30.

When needing to clean the rear portion of wind wheel 30, first pressure regulator valve and second pressure regulator valve can be adjusted, to make this The pressure of the detergent of first detergent delivery pipe output is less than the pressure of the detergent of the second detergent delivery pipe output.By (detergent is from detergent jet pipe 520 after the detergent of this second detergent delivery pipe output enters detergent jet pipe 520 Rear end enter in detergent jet pipe 520), can push sliding block 530 move forward, so as to from positioned at detergent jet pipe The detergent spray-hole 521 at 520 rear portion sprays the detergent, to clean the rear portion of wind wheel 30.

As shown in Fig. 7 and Figure 10-Figure 12, in yet another embodiment of the present invention, detergent jet pipe 520 its length Opposite first end (such as front end) and second end (such as rear end) are opened wide to form two detergent imports on degree direction.Clearly Cleaning device 50 may further include triple valve 540, and triple valve 540 can have the first import 541, the first detergent to export 542 and second detergent outlet 543.First import 541 can be with the detergent outlet in detergent source 510, the first cleaning Agent outlet 542 can be connected to the first end of detergent jet pipe 520, and the second detergent outlet 543 can be with detergent jet pipe 520 Second end connection.

When needing to clean the front of wind wheel 30, the first detergent outlet 542 can be opened and close the second detergent to go out Mouthfuls 543, thus detergent can be entered from the front end of detergent jet pipe 520 in detergent jet pipe 520 and sliding block can be pushed 530 move backward, so as to spray the detergent from the detergent spray-hole 521 positioned at the front of detergent jet pipe 520, with Just the front of wind wheel 30 is cleaned.

When needing to clean the rear portion of wind wheel 30, the first detergent outlet 542 can be closed and open the second detergent to go out Mouthfuls 543, thus detergent can be entered from the rear end of detergent jet pipe 520 in detergent jet pipe 520 and sliding block can be pushed 530 move forward, so as to spray the detergent from the detergent spray-hole 521 positioned at the rear portion of detergent jet pipe 520, with Just the rear portion of wind wheel 30 is cleaned.

As shown in Figure 10-Figure 12, triple valve 540 may include valve body 544 and spool 545.Valve body 544 can have first Import 541, the outlet 542 of the first detergent and the second detergent outlet 543, the first import 541 can be located in a first direction Between the outlet 542 of first detergent and the second detergent outlet 543.The first direction is as shown in the arrow B in Figure 10.Spool 545 can be movably arranged at valve body along the first direction between closed position, the first open position and the second open position In 544, spool 545 has the first closure portion 5451 and the second closure portion 5452.

First import 541 can lie in the first closure portion of the spool 545 of the closed position in the first direction 5451 and second between closure portion 5452.First can be covered by being in the first closure portion 5451 of the spool 545 of the closed position Detergent outlet 542, the outlet of the second detergent can be covered by being in the second closure portion 5452 of the spool 545 of the closed position 543。

The second detergent outlet 543 can be covered positioned at the first closure portion 5451 of the spool 545 of first open position, Or the first closure portion 5451 of the spool 545 positioned at first open position can be located at the first import in the first direction 541 and second detergent outlet 543 between (include the first closure portion 5451 cover the second detergent outlet 543 a part).

The first closure portion 5451 positioned at the spool 545 of second open position can be located at first in the first direction Between import 541 and the first detergent outlet 542 (including the first closure portion 5451 covers one of the first detergent outlet 542 Point).Second detergent outlet 543 can be located at the first import 541 in the first direction and be in second open position Between second closure portion 5452 of spool 545 (including the second closure portion 5452 covers a part for the second detergent outlet 543).

Preferably, spool 545 can be made of magnetic part or spool 545 by ferrimagnet, and cleaning device 50 can be into One step includes the second electromagnet 550, and the second electromagnet 550 can coordinate with spool 545 so that band movable valve plug 545 is in the close stance It sets, moved between first open position and second open position.The fit system of second electromagnet 550 and spool 545 with Above-mentioned first electromagnet is identical as the fit system of sliding block 530, no longer describes in detail herein.

As described above, detergent source 510 can be steam generator 10.

As shown in Figure 13 and Figure 14, in some examples of the present invention, steam generator 10 may include 110 He of heater Water inlet pipe 120.Heater 110 can have heating seal chamber for accommodating heat medium, can be equipped on heater 110 with The first through hole and the second through-hole of heating seal chamber connection.At least part of water inlet pipe 120 can be located at heating sealing The water inlet end of intracavitary, water inlet pipe 120 can be connected with the first through hole, the steam (vapor) outlet end of water inlet pipe 120 can with this second Through-hole is connected.

When generating steam using existing steam generator, water can be conveyed into steam generator using water pump, so Water is heated into steam by the heat generated afterwards using steam generator.Due to needing to consume a large amount of water, it is transported to steam The purity of water in generator is relatively low.Thus existing steam generator after a period of use, will be in the wall surface of heating chamber Upper generation incrustation scale, causes the efficiency of heating surface of steam generator to decline to a great extent.

Heat medium (such as water) can be accommodated in the heating seal chamber.Heater 110 generates heat, to add Thermal medium is heated into gaseous heat medium, which can heat the water for flowing through water inlet pipe 120 and will flow through The water of water inlet pipe 120 is heated into steam, which is condensed into the heat medium of liquid, recycles repeatedly.Wherein it is possible to sharp It is supplied water to water inlet pipe 120 with water pump 60, i.e., the water inlet end of water inlet pipe 120 can be connected to the water outlet of water pump 60.

Steam generator 10 according to the ... of the embodiment of the present invention is by being arranged the heating seal chamber, so as to close in the heating It seals intracavitary and accommodates heat medium, and water is heated to generate steam using the heat medium, that is, utilize the phase transformation of the heat medium Water is heated to generate steam.

Due to the heat medium for only needing Reusability a small amount of, the higher heat medium of purity can be used. Even if the purity of the heat medium is relatively low, since the amount of the heat medium is seldom, steaming will not be reduced because generating incrustation scale The efficiency of heating surface of vapour generator 10.

Moreover, because water flowing in water inlet pipe 120, therefore water is not contacted with the wall surface of the heating seal chamber, to not The efficiency of heating surface of steam generator 10 can be reduced because generating incrustation scale on the wall surface in the heating seal chamber.

Therefore, steam generator 10 according to the ... of the embodiment of the present invention has efficiency of heating surface height, low power consumption and other advantages.

The water inlet end of water inlet pipe 120 is connected with the first through hole, the steam (vapor) outlet end of water inlet pipe 120 and the second through-hole phase Company should be interpreted broadly.It is said in further detail so that the water inlet end of water inlet pipe 120 is connected with the first through hole as an example below Bright, the steam (vapor) outlet end of water inlet pipe 120 is connected with second through-hole can do same understanding and explanation.

The water inlet end of water inlet pipe 120 is connected with the first through hole, including but not limited to：A. the water inlet end of water inlet pipe 120 is stretched Enter into the first through hole or is connected with the wall surface of the first through hole；B. the water inlet end of water inlet pipe 120 and the heating seal chamber Wall surface is connected, and the interior edge of the water inlet end of water inlet pipe 120 is concordant with the edge of the first through hole or edge positioned at the first through hole Inside；C. the water inlet end of water inlet pipe 120 is connected with the wall surface of the heating seal chamber, the water inlet end of water inlet pipe 120 it is interior along position In the outside at the edge of the first through hole and the edge of the neighbouring first through hole；D. the water inlet end of water inlet pipe 120 pass through this first Through-hole and stretch out the heating seal chamber；E. the water inlet end of water inlet pipe 120 is connected with the first end of pipeline, and the second end of the pipeline is logical It crosses aforesaid way with the first through hole to be connected, i.e., the water inlet end of water inlet pipe 120 is connected by the pipeline with the first through hole.

As shown in figure 14, in the example of the present invention, heater 110 may include ontology 113 and heating member 116. Ontology 113 can have the heating seal chamber, at least part of heating member 116 that can be located in the heating seal chamber.Thus The structure of steam generator 10 can be made more reasonable.

As shown in Figure 13 and Figure 14, ontology 113 may include main body 1133 and end cap 1134, and main body 1133 can limit The first end of accommodating chamber 111, accommodating chamber 111 can open wide.End cap 1134 can be welded in main body 1133, and end cap 1134 may be used also To be removably mounted in main body 1133 by multiple fasteners.Wherein, end cap 1134 can cover accommodating chamber 111 this One end can limit the heating seal chamber to form the heating seal chamber between main body 1133 and end cap 1134.

Preferably, sealing ring can be equipped between end cap 1134 and main body 1133, multiple fasteners can be with respect to main body Each in 1133 longitudinal centre line and the longitudinal centre line of end cap 1134 is symmetrical, and multiple fasteners can be with respect to main body Each in 1133 cross central line and the cross central line of end cap 1134 is symmetrical.It is possible thereby to further increase end cap Leakproofness between 1134 and main body 1133, so as to further increase the leakproofness of the heating seal chamber.

Specifically, the longitudinal centre line of the longitudinal centre line with end cap 1134 of main body 1133 can overlap, main body 1133 Cross central line can be overlapped with the cross central line of end cap 1134, and the longitudinal centre line of main body 1133 (end cap 1134) can edge The length direction of main body 1133 (end cap 1134) extends, and the cross central line of main body 1133 (end cap 1134) can be along main body 1133 The width direction of (end cap 1134) extends.

As shown in figure 14, heating member 116 this can be at least partially it is U-shaped or be configured to it is snakelike, it is possible thereby to carry The heating surface area of heat medium in the high heating seal chamber, so as to more efficiently heat the heat medium.Water inlet pipe 120 this can be at least partially it is U-shaped or be configured to it is snakelike, it is possible thereby to when extending the heating of the water in water inlet pipe 120 Between, so as to which the water in water inlet pipe 120 is more efficiently heated into steam.

Preferably, heating member 116 can be adjacent to one in the top wall surface and wall surface of the heating seal chamber, water inlet pipe 120 can be adjacent to another in top wall surface and the wall surface of the heating seal chamber.It is possible thereby to make the heating seal chamber It is interior to accommodate enough heat mediums, so as to so that the structure of steam generator 10 is more reasonable.

In the specific example of the present invention, steam generator 10 may further include temperature detector and pressure inspection Device (not shown) is surveyed, which can contact with heater 110 to detect the temperature of heater 110, the pressure Force detector can be located in the heating seal chamber to detect the pressure in the heating seal chamber.Thus when heater 110 When pressure when temperature is more than the first preset value or in the heating seal chamber is more than the second preset value, steam generator 10 can be made Stop heating to improve the safety of steam generator 10.

As shown in Figure 15 and Figure 16, in other examples of the present invention, steam generator 10 may include heater 110, heater 110 can have accommodating chamber 111 and preheating channel 112, and the water outlet of preheating channel 112 can be with accommodating chamber 111 connections.

As described above, existing steam generator is after a period of use, incrustation scale will be generated on the wall surface of heating chamber, The efficiency of heating surface of steam generator is caused to decline to a great extent.

Water pump 60 can be utilized to supply water to preheating channel 112, i.e., the water inlet of preheating channel 112 can go out with water pump 60 The mouth of a river is connected to.Water is heated during flowing through preheating channel 112 by heater 110, leaves the water of preheating channel 112 and can enter Into accommodating chamber 111, the water in accommodating chamber 111 generates steam by 110 reheating of heater.

Steam generator 10 according to the ... of the embodiment of the present invention is connected to by being arranged on heater 110 with accommodating chamber 111 Preheating channel 112 is first preheated, is reheated so as to be heated twice to water using heater 110.It is possible thereby to fill The heat for dividing ground to utilize heater 110, so as to improve the efficiency of heating surface of steam generator 10.

Therefore, with the efficiency of heating surface, high, Btu utilization is fully, low energy consumption for steam generator 10 according to the ... of the embodiment of the present invention The advantages that.

As shown in figure 16, in the example of the present invention, heater 110 may include ontology 113, and ontology 113 can be with With accommodating chamber 111, there can be hollow cavity at least one of the side plate 1131 and bottom plate 1132 of ontology 113, this is hollow Chamber may be constructed preheating channel 112.

In another example of the present invention, heater 110 may include ontology 113 and economizer bank 114.Ontology 113 can With with accommodating chamber 111, economizer bank 114 can be located on the outer surface of ontology 113, and the channel in economizer bank 114 may be constructed Preheating channel 112.

As shown in Figure 4-Figure 6, heater 110 may further include heat-conducting piece 115, and heat-conducting piece 115 can have opposite First surface 1151 and second surface 1152, at least part of first surface 1151 can be plane, second surface 1152 At least part can be curved surface.Wherein, this of first surface 1151 can connect at least partially with the outer surface of ontology 113 It touches, this of second surface 1152 can contact at least partially at least part of the peripheral surface of economizer bank 114.

Since this of the first surface 1151 of heat-conducting piece 115 is at least partially plane, and the first surface of heat-conducting piece 115 This of 1151 is contacted with the outer surface of ontology 113 (outer surface of ontology 113 is plane) at least partially, therefore heat-conducting piece 115 It is contacted for face with ontology 113.Due to heat-conducting piece 115 second surface 1152 this at least partially be curved surface, and the curved surface with Economizer bank 114 contacts, therefore economizer bank 114 is contacted with heat-conducting piece 115 for face.It is possible thereby to make economizer bank 114 and ontology 113 with The mode of face contact contacts.

Heater 110 according to the ... of the embodiment of the present invention is face with each in ontology 113 and economizer bank 114 by being arranged The heat-conducting piece 115 of contact, so as to make economizer bank 114 be contacted in such a way that face contacts with ontology 113.It is possible thereby to greatly The contact area for increasing economizer bank 114 and ontology 113, so as to greatly increase the heat-transfer surface of economizer bank 114 and ontology 113 Product, so as to more efficiently be heated to the water in economizer bank 114, so as to further increase steam generator 10 The efficiency of heating surface, more fully utilize steam generator 10 heat.

As shown in Figure 4-Figure 6, first surface 1151 can be plane, at least part of shape of second surface 1152 With at least part of shape adaptation of the peripheral surface of economizer bank 114.It is possible thereby to further increase economizer bank 114 and heat conduction The contact area of part 115, so as to more efficiently be heated to the water in economizer bank 114, so as to further carry The efficiency of heating surface of high steam generator 10, the heat for more fully utilizing steam generator 10.

Preferably, as shown in Figure 4-Figure 6, economizer bank 114 can be pipe, second surface 1152 can be cylindrical surface extremely A few part, entire second surface 1152 can at least partially be contacted with this of the peripheral surface of economizer bank 114.It is possible thereby to Keep the structure of steam generator 10 and heater 110 more reasonable.

As shown in Figure 4 and Figure 5, in one embodiment of the invention, the cross section 1156 of heat-conducting piece 115 can have phase To the first edge 1153 and the second edge 1154, the first edge 1153 can be located at first surface 1151 on, the second edge 1154 can be located on second surface 1152.Wherein, the first edge 1153 can be straight line, and the second edge 1154 can be circular arc Shape.Thus second surface 1152 can be the part on cylindrical surface, and second surface 1152 can be with the peripheral surface of economizer bank 114 Part contact.

Preferably, the central angle at the second edge 1154 can be more than or equal to 120 degree and be less than or equal to 240 degree, i.e. the second side It can be more than or equal to 120 degree along 1154 corresponding central angles and be less than or equal to 240 degree.It is further preferred that the second edge 1154 Central angle can be more than or equal to 160 degree and be less than or equal to 200 degree.Most preferably, the central angle at the second edge 1154 can be 180 Degree.Thus the contact area of economizer bank 114 and heat-conducting piece 115 can not only be increased, but also can be by economizer bank 114 and heat-conducting piece 115 are more firmly assembled together.In addition, heat-conducting piece 115 have many advantages, such as it is simple in structure, convenient for manufacture.

As shown in fig. 6, in another embodiment of the present invention, heat-conducting piece 115 can have the length along economizer bank 114 The cross section of the through-hole 1155 that direction extends, through-hole 1155 can be round (i.e. through-hole 1155 can be round hole), through-hole 1155 wall surface can be second surface 1152.Wherein, heat-conducting piece 115 can be set on economizer bank 114, the wall of through-hole 1155 Face is contacted with the peripheral surface of economizer bank 114, and the outer of the cross section 1156 of heat-conducting piece 115 can be quadrangle.Thus not only may be used To further increase the contact area of economizer bank 114 and heat-conducting piece 115, and can be by economizer bank 114 and heat-conducting piece 115 more Firmly it is assembled together.

Preferably, preheating channel 112 can be configured to snakelike, and specifically, which can be configured to snakelike or pre- Heat pipe 114 can be configured to snakelike.Preheating channel 112 may include multiple flat segments and at least one segmental arc.Multiple this is put down Straight section can be arranged along the circumferentially spaced of ontology, and the of one end in the two neighboring flat segments and the segmental arc One end is connected, another the end in the two neighboring flat segments is connected with the second end of the segmental arc.In other words, phase Adjacent two flat segments can be connected by the segmental arc.It is possible thereby to make the knot of heater 110 and steam generator 10 Structure is more reasonable.

As shown in Figure 17 and Figure 18, the present invention still other example in, steam generator 10 may include ontology 113, First electrode 131 and second electrode 132, ontology 113 can have accommodating chamber 111.First electrode 131 and second electrode 132 can To be located at interval on ontology 113 along the vertical direction, at least part of first electrode 131 can be located in accommodating chamber 111, At least part of second electrode 132 can be located in accommodating chamber 111.

Steam generator 10 according to the ... of the embodiment of the present invention is located at 131 He of first electrode in accommodating chamber 111 by setting Second electrode 132, so as to detect whether that water is transported in accommodating chamber 111 using detection resistance value.

Specifically, when there is water to be transported in accommodating chamber 111, the part and second electrode 132 of first electrode 131 A part be immersed in the water of accommodating chamber 111, it is possible thereby to which first electrode 131 and second electrode 132 are accessed circuit, the electricity The voltage value of the pull down resistor on road is not equal to zero.When there is no water to be transported in accommodating chamber 111 (such as into accommodating chamber 111 The water pump 60 for conveying water generates failure), a part for first electrode 131 and an at least one of part for second electrode 132 It is not immersed in the water of accommodating chamber 111, thus forms open circuit between first electrode 131 and second electrode 132, resistance is infinite Greatly, i.e., the voltage value of the pull down resistor of the circuit is equal to zero.

The voltage value of the once pull down resistor of the circuit can be acquired every the first preset time, such as acquisition per second is once The voltage value of the pull down resistor of the circuit.If the voltage value for the being consecutively detected the pull down resistor null time is more than second Preset time (such as three seconds) then shows that no water is transported to accommodating chamber 111, and steam generator 10 is in dry-fire condition.

Therefore, steam generator 10 according to the ... of the embodiment of the present invention has many advantages, such as safe.

Preferably, first electrode 131 can be made of metal, and second electrode 132 can also be made of metal.More preferably Ground, first electrode 131 can be made of stainless steel, and second electrode 132 can also be made of stainless steel.

As shown in Figure 17 and Figure 18, in the example of the present invention, ontology 113 may include main body 1133 and detection body 1135.Main body 1133 can have heating chamber, water to be heated to form steam in the heating chamber.Detecting body 1135 has test chamber 1136, test chamber 1136 is connected to the heating chamber.That is, accommodating chamber 111 may include the heating chamber and test chamber 1136.

First electrode 131 and second electrode 132 can be located on detection body 1135 compartment of terrain along the vertical direction, first electrode 131 at least part can be located in test chamber 1136, and at least part of second electrode 132 can be located at test chamber 1136 It is interior.Wherein, the water inlet of water pump 60 can be connected to the water outlet of water tank 90, and the water inlet of test chamber 1136 can be with water pump 60 Water outlet connection, the water outlet of test chamber 1136 can be connected to the water inlet of the heating chamber.

Since the water entered in the heating chamber can be relatively quickly heated into steam, so if by first electrode 131 and second electrode 132 be located in main body 1133, testing result may be caused inaccurate.There is test chamber 1136 by setting Detection body 1135 and by first electrode 131 and second electrode 132 be located at detection body 1135, so as to greatly improve inspection The accuracy for surveying result, it is possible thereby to further increase the security performance of steam generator 10.

As shown in figure 18, this of first electrode 131 at least partially can be with the top wall surface and bottom wall of proximity detection chamber 1136 One in face, this of second electrode 132 at least partially can be in the top wall surface of proximity detection chamber 1136 and the wall surface Another.It is possible thereby to make first electrode 131 this at least partially with second electrode 132 this at least partially upper and lower There is larger distance, so as to avoid influencing testing result because of water level (water surface) fluctuation in test chamber 1136 on direction Accuracy, so as to further increase the security performance of steam generator 10.

Preferably, the area of the horizontal cross-section of test chamber 1136 can be less than or equal to preset value.Thus when there is no water defeated When being sent to test chamber 1136 (accommodating chamber 111), the water level in test chamber 1136 can rapidly decline, so as to rapidly examine It measures no water to be transported in test chamber 1136, you can to improve detection speed, so as to further increase steam generation The security performance of device 10.

As shown in Figure 17 and Figure 18, steam generator 10 may further include connecting tube 140, the water inlet of connecting tube 140 End can be connected with the water outlet of test chamber 1136, and the water outlet of connecting tube 140 can be connected with the water inlet of the heating chamber.By This can make the structure of steam generator 10 more reasonable.The meaning of " connected " can be managed with reference to above explanation herein Solution.

Preferably, as shown in figure 18, first electrode 131 can be flatly arranged, and second electrode 132 can flatly be set It sets.The upper edge of the water outlet of test chamber 1136 in the up-down direction can be between first electrode 131 and second electrode 132. Wherein, upper and lower directions is as shown in the arrow C in Fig. 1.It thus, can further really when there is no water to be transported to test chamber 1136 The water level protected in test chamber 1136 can drop between first electrode 131 and second electrode 132, so as to further increase The security performance of steam generator 10.

Existing smoke exhaust ventilator can only clean wind wheel, and can not be cleaned to spiral case.In order to overcome existing skill The defect of art, the application provide the smoke exhaust ventilator 1 that can clean spiral case 20.

As shown in Fig. 1-Fig. 3 and Figure 20, the spiral case 20 of smoke exhaust ventilator 1 can have steam channel, the steam channel Steam inlet 220 can be connected to the steam (vapor) outlet of steam generator 10.Smoke exhaust ventilator 1 may further include steam jet The steam inlet of 40a, steam jet 40a can be connected to the steam (vapor) outlet 230 of the steam channel, and steam jet 40a can be with Wind wheel 30 coordinates to spray steam to wind wheel 30.Specifically, steam jet 40a can be detergent jet pipe 520.

Steam jet 40a (cleanings can be entered by above-mentioned triple valve 540 by leaving the steam channel of the steam channel Agent jet pipe 520) in, steam can also be entered by above-mentioned the first detergent delivery pipe and the second detergent delivery pipe In jet pipe 40a.

As shown in figure 20, in one embodiment of the invention, spiral case 20 can have hollow cavity (i.e. steam jacket), should Hollow cavity may be constructed the steam channel, i.e. steam can flow through the hollow cavity.

In another embodiment of the present invention, as shown in Figure 1-Figure 3, spiral case 20 may include shell 210 and heating tube 220, wind wheel 30 can be located in shell 210.Heating tube 220 can be located on the peripheral surface 212 of shell 210, in heating tube 220 Channel may be constructed the steam channel, i.e. steam can flow through heating tube 220.

As shown in figure 21 and figure, spiral case 20 may further include heat-conducting piece 230, and heat-conducting piece 230 can have opposite First surface 231 and second surface 232, at least part of first surface 231 can be curved surface, and second surface 232 is extremely A few part can also be curved surface.Wherein, this of first surface 231 at least partially can be with the peripheral surface 212 of shell 210 At least part contacts, and this of second surface 232 can connect at least partially at least part of the peripheral surface of heating tube 220 It touches.

Since this of the first surface 1151 of heat-conducting piece 230 is curved surface at least partially, the peripheral surface 212 of shell 210 At least part is also curved surface, and the peripheral surface with shell 210 at least partially of the first surface 231 of heat-conducting piece 230 212 at least part contacts, therefore heat-conducting piece 230 is contacted with shell 210 for face.Due to the second surface of heat-conducting piece 230 This of 232 is at least partially curved surface, and the curved surface is contacted with heating tube 220, therefore heating tube 220 and heat-conducting piece 230 are face Contact.It is possible thereby to which heating tube 220 is made to be contacted in such a way that face contacts with shell 210.

Spiral case 20 according to the ... of the embodiment of the present invention is connect with each in shell 210 and heating tube 220 for face by being arranged Tactile heat-conducting piece 230, so as to make heating tube 220 be contacted in such a way that face contacts with shell 210.It is possible thereby to greatly increase The contact area for adding heating tube 220 and shell 210, so as to greatly increase the heat-transfer surface of heating tube 220 and shell 210 Product, so as to more efficiently be heated to the grease being adhered on shell 210, so as to so as to be adhered to shell 210 On grease be more easily washed down, more efficiently, more to thoroughly wash the shell 210 of spiral case 20.

As shown in figure 21 and figure, the peripheral surface 212 of at least part of shape and shell 210 of first surface 231 At least part of shape adaptation, at least part of shape of second surface 232 and the peripheral surface of heating tube 220 At least part of shape adaptation.It is possible thereby to further increase contact area and the heating of heat-conducting piece 230 and shell 210 The contact area of pipe 220 and heat-conducting piece 230, so as to further increase the contact area of heating tube 220 and shell 210, with More efficiently the grease being adhered on shell 210 can be heated, so as to so as to be adhered to the oil on shell 210 Fat is more easily washed down, more efficiently, more to thoroughly wash the shell 210 of spiral case 20.

Preferably, as shown in figure 21 and figure, heating tube 220 can be pipe, and second surface 232 can be cylindrical surface At least partially, entire second surface 232 can at least partially be contacted with this of the peripheral surface of heating tube 220.Thus may be used So that the structure of spiral case 20 is more reasonable.

As shown in figure 21 and figure, in one embodiment of the invention, the cross section 236 of heat-conducting piece 230 can have Opposite the first edge 233 and the second edge 234, the first edge 233 can be located on first surface 231, and the second edge 234 can To be located on second surface 232.Wherein, the first edge 233 can be a part for involute, and the second edge 234 can be round Arc.Thus second surface 232 can be the part on cylindrical surface, and second surface 232 can be with the peripheral surface of heating tube 220 Part contact.

Preferably, the central angle at the second edge 234 can be more than or equal to 120 degree and be less than or equal to 240 degree, i.e. the second edge 234 corresponding central angles can be more than or equal to 120 degree and be less than or equal to 240 degree.It is further preferred that the center of circle at the second edge 234 Angle can be more than or equal to 160 degree and be less than or equal to 200 degree.Most preferably, the central angle at the second edge 234 can be 180 degree.By This can not only increase the contact area of heating tube 220 and heat-conducting piece 230, but also can be by heating tube 220 and heat-conducting piece 230 more Add and is firmly assembled together.In addition, heat-conducting piece 230 have many advantages, such as it is simple in structure, convenient for manufacture.

As shown in figure 23, in another embodiment of the present invention, heat-conducting piece 230 can have the length along heating tube 220 The through-hole 235 that direction extends is spent, the cross section of through-hole 235 can be round (i.e. through-hole 235 can be round hole), through-hole 235 Wall surface can be second surface 232.

Wherein, heat-conducting piece 230 can be set in heating tube 220, the peripheral surface of the wall surface and heating tube 220 of through-hole 235 Contact.Thus the contact area of heating tube 220 and heat-conducting piece 230 can be not only further increased, but also can be by heating tube 220 It is more firmly assembled together with heat-conducting piece 230.

Preferably, which can be configured to snakelike, and specifically, which can be configured to snakelike or heating Pipe 220 can be configured to snakelike.The steam channel may include multiple flat segments and at least one segmental arc.Multiple flat segments It can be arranged along the circumferentially spaced of spiral case 20, each flat segments can be along the axially extending of spiral case 20.It is two neighboring to be somebody's turn to do One end in flat segments is connected with the first end of the segmental arc, another the end in the two neighboring flat segments It is connected with the second end of the segmental arc.In other words, the two neighboring flat segments can be connected by the segmental arc.Thus The structure of spiral case 20 can be made more reasonable.

Preferably, distance of the two neighboring flat segments in the circumferential direction of spiral case 20 in the circumferential upper edge of spiral case 20 far from snail The direction of the volute tongue 211 of shell 20 reduces.Specifically, the grease for being adhered to the lower part of spiral case 20 is more, it is adhered to spiral case 20 The grease on top is less.It is located in multiple flat segments of the lower part of spiral case 20, week of the two neighboring flat segments in spiral case 20 Upward distance is smaller, that is, the density for being located at multiple flat segments of the lower part of spiral case 20 is larger；It is located at the top of spiral case 20 In multiple flat segments, distance of the two neighboring flat segments in the circumferential direction of spiral case 20 is larger, that is, is located at the top of spiral case 20 Multiple flat segments density it is smaller.It is possible thereby in the case where ensuring effectively to clean the grease on spiral case 20, simplify The structure of the steam channel.

As shown in Figures 2 and 3, heating tube 220 is configured to snakelike, and heating tube 220 may include multiple flat segments 221 and extremely A few segmental arc 222.Multiple flat segments 221 can be arranged along the circumferentially spaced of spiral case 20, and each flat segments 221 can be with Along the axially extending of spiral case 20.Circumferential upper edge of distance of the two neighboring flat segments 221 in the circumferential direction of spiral case 20 in spiral case 20 The direction of volute tongue 211 far from spiral case 20 reduces.The of one end in two neighboring flat segments 221 and segmental arc 222 One end is connected, another the end in two neighboring flat segments 221 is connected with the second end of segmental arc 222.

Preferably, insulating layer can be equipped on the peripheral surface of heating tube 220 not contacted with shell 210 or heat-conducting piece 230. It is possible thereby to the steam for flowing through heating tube 220 is made only to carry out heat exchange with shell 210, without carrying out heat exchange with the external world, to The heat losses that can prevent from flowing through the steam of heating tube 220, to prevent a part for the steam from condensing as condensed water, simultaneously Ensure the effect using the steam clean wind wheel 30.

Insulating layer can also be equipped on the peripheral surface 212 of shell 210, so as to after preventing the grease softened to be cooled again Secondary solidification or reduction softening degree.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects It connects, can also be to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.

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 spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims

1. a kind of smoke exhaust ventilator, which is characterized in that including：

Steam generator；

Spiral case, the spiral case have steam channel, and the steam inlet of the steam channel and the steam of the steam generator go out Mouth connection；

Wind wheel, the wind wheel are located in the spiral case；With

Steam jet, the steam inlet of the steam jet are connected to the steam (vapor) outlet of the steam channel, the steam jet Coordinate with the wind wheel to spray steam to the wind wheel.

2. smoke exhaust ventilator according to claim 1, which is characterized in that

There is the spiral case hollow cavity, the hollow cavity to constitute the steam channel；

Alternatively, the spiral case includes：

Shell, the wind wheel are located in the shell；With

Heating tube, the heating tube are located on the peripheral surface of the shell, and it is logical that the channel in the heating tube constitutes the steam Road.

3. smoke exhaust ventilator according to claim 2, which is characterized in that further comprise that heat-conducting piece, the heat-conducting piece have Opposite first surface and second surface, at least part of the first surface are curved surface, at least the one of the second surface Part is curved surface, wherein described at least part and at least part of the peripheral surface of the shell of the first surface connect It touches, described at least part of the second surface is contacted at least part of the peripheral surface of the heating tube.

4. smoke exhaust ventilator according to claim 3, which is characterized in that at least part of shape of the first surface At least part of shape adaptation of the peripheral surface of shape and the shell, the second surface it is described at least part of At least part of shape adaptation of shape and the peripheral surface of the heating tube.

5. according to the smoke exhaust ventilator described in any one of claim 1-4, which is characterized in that the steam channel is configured to snake Shape, the steam channel include：

Multiple flat segments, multiple flat segments are arranged along the circumferentially spaced of the spiral case, and each flat segments are along institute The axially extending of spiral case is stated, wherein week of distance of the two neighboring flat segments in the circumferential direction of the spiral case in the spiral case Reduce to the direction of volute tongue of the upper edge far from the spiral case；With

At least one segmental arc, the first end phase of one end and the segmental arc in the two neighboring flat segments Even, another the end in the two neighboring flat segments is connected with the second end of the segmental arc.

6. a kind of spiral case of smoke exhaust ventilator, which is characterized in that the spiral case has steam channel.

7. the spiral case of smoke exhaust ventilator according to claim 6, which is characterized in that

Alternatively, the spiral case includes：

Shell；With

Heating tube, the heating tube are located on the peripheral surface of the shell, and the channel in the heating tube constitutes steam channel.

8. the spiral case of smoke exhaust ventilator according to claim 7, which is characterized in that further comprise heat-conducting piece, the heat conduction Part has opposite first surface and second surface, and at least part of the first surface is curved surface, the second surface At least part is curved surface, wherein at least one of described at least part of the first surface and the peripheral surface of the shell Tap is touched, and described at least part of the second surface is contacted at least part of the peripheral surface of the heating tube.

9. the spiral case of smoke exhaust ventilator according to claim 8, which is characterized in that described at least one of the first surface At least part of shape adaptation of the shape divided and the peripheral surface of the shell, described at least the one of the second surface At least part of shape adaptation of partial shape and the peripheral surface of the heating tube.

10. the spiral case of smoke exhaust ventilator according to claim 7, which is characterized in that the steam channel is configured to snakelike, institute Stating steam channel includes：