CN1239851C - Multicommponent exhausting method, guiding draught fan and use thereof - Google Patents
Multicommponent exhausting method, guiding draught fan and use thereof Download PDFInfo
- Publication number
- CN1239851C CN1239851C CN 200410024139 CN200410024139A CN1239851C CN 1239851 C CN1239851 C CN 1239851C CN 200410024139 CN200410024139 CN 200410024139 CN 200410024139 A CN200410024139 A CN 200410024139A CN 1239851 C CN1239851 C CN 1239851C
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- CN
- China
- Prior art keywords
- diversion
- air
- flow
- draught fan
- diffuser
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- Expired - Fee Related
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Jet Pumps And Other Pumps (AREA)
- Ventilation (AREA)
Abstract
The present invention provides an indoor multiple exhausting method, a diversion draught fan and applications thereof. The indoor multiple exhausting method is characterized in that a main pipeline and branch pipelines are arranged in a room which is adjacent to a funnel, wherein the main pipeline is provided with the diversion draught fan; a diversion opening of an air cylinder of the diversion draught fan and a diffuser are positioned in the inner cavity of the main pipeline, and thus, a configuration for diversion induced draft exhaust and natural ventilation exhaust of the inner cavity of the main pipeline is formed; thus, waste gas of each indoor room is concentrated in the position of the draught fan through pipeline drainage and exhausted to the funnel, and waste gas is axially exhausted through the funnel to a high altitude for diffusion. By using the indoor multiple exhausting method, a simple and direct path for air environment purification of indoor and outdoor low altitudes is established. The diversion draught fan has the advantages of outstanding environmental protection and energy conservation effects, stable performance, high safety, high reliability and strong practicability.
Description
Affiliated field:
The invention belongs to the exhaust technique field, be specifically related to a kind of diversion draft fan and application.
Background technology:
In the last few years, the technology of exhaust aspect had had very great development, put down in writing as the CN1250861A patent documentation, be that blower fan is located in the casing the arrangement of induced-draft fan low level, adopt centrifugal air duct, utilize the air that sucks indoor or outdoors, be discharged into smoke outlet flue through the fan sheet, the flue gas that enters in the casing with absorption carries out mist extractor, this mode, the smoke evacuation performance is single, complex structure, and power is big, weakness such as power consumption is many, and smoke discharging is incomplete.And for example 96204586.1 patent specifications record, smoke extractor is inverted the top that is installed in chimney, relies on the fume exhausting type of centrifugal fan attraction chimney inner chamber flue gas, though this mode can reach the smoke evacuation purpose, yet install, maintenance inconvenience, power supply is far away, motor half stifled chimney breast, the temperature height works under hard conditions, and shelves wind, weakness such as influence the gravity-flow ventilation exhaust, power consumption is many, and performance is single.
Summary of the invention:
The purpose of this invention is to provide a kind of diversion draft fan, make gas extraction system form the general layout of gravity-flow ventilation exhaust and the exhaust of water conservancy diversion air inducing.
In order to achieve the above object, diversion draft fan of the present invention is made up of motor, fan leaf, air duct; The air duct front end is established taper or oblique or bending diffuser, and rear end face cooperates with motor handing-over axial restraint, and the air duct wall is provided with one or more flow-guiding mouths, and the fan rachis is to the front portion that is located at flow-guiding mouth.
Diversion draft fan can be applicable to directly to or obliquely match with discharge duct or with chimney, during with curved logical matching, curved logical angle is arc or domatic; Diffuser is positioned at the inner chamber of pipeline, and flow-guiding mouth is positioned at the inner chamber or the outside of pipeline, has formed the water conservancy diversion air inducing district in dynamic air-flow district, gravity-flow ventilation district and the water conservancy diversion air inducing district or the outside of inner cavity of pipe; When the oil smoke cover pipeline was connected with siphunculus, its oil smoke mouth was positioned at a side of air-introduced machine diffuser airflow orifice.
Because diffuser, fan leaf and the flow-guiding mouth of above-mentioned diversion draft fan tightly beaten axial setting.Can make this several partial component, place the inner chamber of discharge duct simply, under the situation that does not influence pipeline gravity-flow ventilation exhaust, realize that the air-flow of diversion draft fan transverse attractive inner cavity of pipe axially draws the function of attached pressure, thereby relatively increased capacity.
The present invention is described in more detail below in conjunction with the drawings and specific embodiments:
Description of drawings:
Fig. 1, for the structural representation of diversion draft fan of the present invention.
Fig. 2, the schematic diagram that matches with three-way pipe for diversion draft fan shown in Figure 1.
Fig. 3, the schematic diagram that matches with bipass for diversion draft fan shown in Figure 1.
Fig. 4 is positioned at the schematic diagram in the pipeline outside for the flow-guiding mouth of diversion draft fan shown in Figure 1.
Each component names of accompanying drawing:
2, trunk line 3, curved logical (31, interface 32, angle 33, gravity-flow ventilation district)
4, branch pipe(tube) 10, air-introduced machine (101, motor)
11, air duct (111, flow-guiding mouth, 113, water conservancy diversion air inducing district)
12, fan leaf 13, diffuser (131, airflow orifice 132, dynamic air-flow district)
21, dynamic air-flow 61, oil smoke mouth.
Embodiment 1:
Shown in Figure 1, be water conservancy diversion blower fan of the present invention, this air-introduced machine is made up of motor (101), fan leaf (12), air duct (11).The front end of air duct is that conical diffuser (13), rear end face cooperate with motor (101) axial restraint, and the air duct ring wall is interval with flow-guiding mouth (111), and fan leaf (12) is axially disposed within the front portion of flow-guiding mouth (111).When fan leaf (12) when rotating rapidly, formed motive force for the anterior air of fan leaf, make air duct rear portion inner chamber produce negative pressure (attraction), force the air duct air outside, by flow-guiding mouth (111) water conservancy diversion, laterally be inhaled into air duct constantly, air-introduced machine just enters water conservancy diversion air inducing duty.Because the taper diffusion action of diffuser (13) and the dynamic action of fan leaf, the air that pushes away before making has formed high pressure draught (21), has been sprayed by airflow orifice (131), the high-speed cruising of the air-flow post (21) of preceding spray, driven all air of ring travels forward thereupon, form the air-flow post for all air of ring, in the high-speed cruising process, drawn attached running status.
Embodiment 2:
Fig. 2 and Fig. 3 show the exhaust mode that diversion draft fan is logical with two and three-way pipe matches.Interface (31) the handing-over secure fit of air-introduced machine (10) and curved siphunculus (3), air duct (11) and diffuser (13) are positioned at the inner chamber of bending siphunculus, and the oil smoke mouth (61) of oil smoke cover is positioned at a side of diffuser airflow orifice (131).Angle (32) inner chamber of curved logical (3) is arc or domatic, and the flow-guiding mouth of air duct (111) is relative with branch pipe(tube) (4) inner chamber, diffuser airflow orifice (131) is relative with trunk line (2) inner chamber.When fan leaf (12) rotation work, air-flow is from airflow orifice (131) ejection of diffuser, just the air-flow that the high velocity air that has entered trunk line (2) inner chamber drives the arc inner chamber is running status forward, and the air-flow of flow-guiding mouth (111) suction manifold road (4) inner chamber continues to concentrate flow regime to the air-introduced machine position, when the fan leaf stops operating, by arc inner chamber inducted draft, system just enters the gravity-flow ventilation exhaust condition.
When before high velocity air is continued by diffuser airflow orifice (131), spraying, make the ring week position of airflow orifice (131) form little negative pressure (attraction), under suction function, force the oil smoke of fume pipeline inner chamber to continue to flow to airflow orifice (131) position through oil smoke mouth (61), air-flow with the arc inner chamber is driven operation forward by the high velocity air of preceding spray, need be by the mist extractor mode of fan leaf site thereby formed oil smoke.
Embodiment 3:
The air duct (11) that Fig. 4 shows diversion draft fan and the interface (31) of curved siphunculus (3) are directly to secure fit, flow-guiding mouth (111) is positioned at the outside of pipeline, attract air outside by flow-guiding mouth, and utilize the dynamic air-flow (21) of the preceding spray of diffuser (13), the air-flow exhaust of drawing attached inner cavity of pipe, fan leaf (12) is not when rotating, by gravity-flow ventilation district (33) vented exhaust in the diffuser outside.
Diversion draft fan of the present invention does not limit to above-mentioned and pipeline directly to cooperating, and can obliquely cooperate with pipeline or chimney yet, and diffuser does not limit to taper yet, equally can be oblique and bending or other shapes yet, and these conversion all fall within the scope of the invention.
Claims (2)
1, a kind of diversion draft fan, form by motor (101), fan leaf (12), air duct (11), it is characterized in that: air duct (11) front end is established conical diffuser (13), rear end face cooperates with motor (101) handing-over axial restraint, the air duct wall is established one or more flow-guiding mouths (111), and fan leaf (12) axially is located at the front portion of flow-guiding mouth.
2, diversion draft fan according to claim 1, it is characterized in that: be used for directly to or oblique and discharge duct (2) or curved logical (3) when matching, the angle (32) of curved logical (3) is positioned at the inner chamber of pipeline for the diffuser (13) of arc or domatic, air-introduced machine, flow-guiding mouth (111) is positioned at the inner chamber or the outside of pipeline, formed the dynamic air-flow district (132) of inner cavity of pipe, the water conservancy diversion air inducing district in gravity-flow ventilation district (33) and the water conservancy diversion air inducing district (113) or the outside; When oil smoke cover was connected with siphunculus, its oil smoke mouth (61) was positioned at a side of diffuser airflow orifice (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024139 CN1239851C (en) | 2004-05-24 | 2004-05-24 | Multicommponent exhausting method, guiding draught fan and use thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410024139 CN1239851C (en) | 2004-05-24 | 2004-05-24 | Multicommponent exhausting method, guiding draught fan and use thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510106112 Division CN1763433A (en) | 2004-05-24 | 2004-05-24 | Guide direction variable draft fan and its application |
| CN 200510106113 Division CN1952482A (en) | 2004-05-24 | 2004-05-24 | Diversion draft fan and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1584432A CN1584432A (en) | 2005-02-23 |
| CN1239851C true CN1239851C (en) | 2006-02-01 |
Family
ID=34600786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410024139 Expired - Fee Related CN1239851C (en) | 2004-05-24 | 2004-05-24 | Multicommponent exhausting method, guiding draught fan and use thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1239851C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019150285A1 (en) * | 2018-01-31 | 2019-08-08 | Zur Yosef | Air conditioning system and method |
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2004
- 2004-05-24 CN CN 200410024139 patent/CN1239851C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1584432A (en) | 2005-02-23 |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
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