CN105080004B - A kind of foam-making apparatus - Google Patents
A kind of foam-making apparatus Download PDFInfo
- Publication number
- CN105080004B CN105080004B CN201510579611.0A CN201510579611A CN105080004B CN 105080004 B CN105080004 B CN 105080004B CN 201510579611 A CN201510579611 A CN 201510579611A CN 105080004 B CN105080004 B CN 105080004B
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- Prior art keywords
- liquid
- blending
- gas
- phase
- foam
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C5/00—Making of fire-extinguishing materials immediately before use
- A62C5/02—Making of fire-extinguishing materials immediately before use of foam
Abstract
The invention discloses a kind of foam-making apparatus, including blending room, the front for blending room is class venturi pipeline section, the rear portion for blending room is equipped with spindle flow spoiler, the entrance of blending room is connected with air source and foam liquid supplying device, the downstream of spindle is equipped with strainer, blends the outlet connection apparatus for spray of foam of room.Gas-liquid two-phase is first subjected to gas-liquid blending under class venturi pipeline section restrictive function, then, gas-liquid two-phase encounters the flow-disturbing effect of spindle flow spoiler in downstream, further gas-liquid blending, gas phase inertia is smaller, rapid deflecting flows away around spindle flow spoiler, liquid phase inertia is larger, it collides with the windward side of spindle flow spoiler, liquid phase is dispersed into tiny drop or brin, increase in collision area gas-liquid two-phase contact area, spindle spoiler downstream gas-liquid two-phase through strainer, further refine drop and brin, foam solution after blending is through blending the apparatus for spray of foam of room outlet stream downstream.
Description
Technical field
The present invention relates to a kind of foam-making apparatus, especially a kind of bubble with class venturi pipeline section and spindle flow spoiler
Foam generating means.
Background technology
Current tank fire, airport leakage oil plant fire etc. are steeped by suction type fixed froth installation or compressed air
The injection of foam extinguishing device, these extinguishing devices is all based on gas-liquid two-phase injection.Wherein, foam maker is that gas-liquid entrance is mixed
The device for generating foam is closed, gas-liquid blending quality directly determines the quality that foam generates.Therefore research structure is simple, quality is firm
Foam maker it is extremely important.
Invention content
In order to solve the deficiencies in the prior art, the present invention proposes a kind of with class venturi pipeline section and spindle flow spoiler
Foam-making apparatus, the present invention adopt the following technical scheme that：
A kind of foam-making apparatus, including blending room, the front for blending room is class venturi pipeline section, and the rear portion for blending room is set
There is spindle flow spoiler, the entrance for blending room is connected with air source and foam liquid supplying device, and the downstream of spindle is equipped with strainer, mixes
The outlet of mixed room connects apparatus for spray of foam；
After the entrance of gas-liquid two-phase blending room enters blending room, it is first subjected to gas-liquid under class venturi pipeline section restrictive function and mixes
Mixed, then, gas-liquid two-phase encounters the flow-disturbing effect of spindle flow spoiler in downstream, and further gas-liquid blending, gas phase inertia is smaller,
Rapid deflecting flows away around spindle flow spoiler, and liquid phase inertia is larger, collides with the windward side of spindle flow spoiler, liquid
It is mutually dispersed into tiny drop or brin, is increased in collision area gas-liquid two-phase contact area, under spindle spoiler
Gas-liquid two-phase is swum through strainer, further refines drop and brin, the foam solution after blending is through blending the bubble of room outlet stream downstream
Foam injection apparatus.
Preferably, the entrance of the blending room includes gas phase entrance and liquid phase entrance, and liquid phase entrance is in centre, gas phase entrance
Around liquid phase entrance.
Preferably, the inlet diameter size of the blending room is small compared with the diameter of blending room, and gas-liquid two-phase enters from entrance to be mixed
Expansion flowing occurs behind mixed interior.
Preferably, the spindle flow spoiler is welded on by cross frame in blending chamber interior walls.
Preferably, the class venturi pipeline section includes contraction section and expansion segment, i.e. the flow area of class venturi pipeline section is first
Expanded after contraction, gas-liquid two-phase first contraction section be depressured accelerate, after expansion segment be pressurized slow down.
Use the advantageous effects that technical solution as above obtains for：
Band class venturi pipeline section and spindle spoiler construction are simple, handling ease, and installation cost is relatively low.As few as possible
Reduction Liquid Flow resistance in the case of, largely improve gas-liquid blending effect, enhance foam luminous efficiency.
Description of the drawings
Fig. 1 is foam-making apparatus structural schematic diagram.
Specific implementation mode
The specific implementation mode of the present invention is described further in conjunction with attached drawing 1：
A kind of foam-making apparatus, including blending room 4, the front for blending room is class venturi pipeline section 3, blends the rear portion of room
Equipped with spindle flow spoiler 5, the entrance for blending room is connected with air source and foam liquid supplying device, and the downstream of spindle is equipped with strainer
6, the outlet 7 for blending room connects apparatus for spray of foam.After the entrance of gas-liquid two-phase blending room enters blending room, it is first subjected to class text
Gas-liquid blending under venturi section restrictive function, then, gas-liquid two-phase encounter the flow-disturbing effect of spindle flow spoiler in downstream, into one
Gas-liquid blending is walked, gas phase inertia is smaller, and rapid deflecting flows away around spindle flow spoiler, and liquid phase inertia is larger, with spindle
The windward side of body flow spoiler collides, and liquid phase is dispersed into tiny drop or brin, in collision area gas-liquid two-phase contact surface
Product increases, spindle spoiler downstream gas-liquid two-phase through strainer, further refine drop and brin, the foam solution after blending
Through blending the apparatus for spray of foam of room outlet stream downstream.
The entrance for blending room includes gas phase entrance 1 and liquid phase entrance 2, and liquid phase entrance enters in centre, gas phase entrance in liquid phase
Around mouthful.The inlet diameter size for blending room is small compared with the diameter of blending room, and gas-liquid two-phase is sent out after entering blending interior from entrance
Raw expansion flowing.
Spindle flow spoiler is welded on by cross frame in blending chamber interior walls.
Class venturi pipeline section includes contraction section and expansion segment, i.e. the flow area of class venturi pipeline section is first shunk to be expanded afterwards,
Gas-liquid two-phase first contraction section be depressured accelerate, after expansion segment be pressurized slow down.Since the density and flow velocity of gas-liquid two-phase are different,
It shrinks and expansion segment enhances gas-liquid blending effect.Then, the flow-disturbing effect that spindle spoiler is encountered in downstream, further increases
Strong gas-liquid blending effect.Gas-liquid two-phase encounters the inhibition of spindle spoiler after expansion segment comes out, gas phase inertia compared with
Small, rapid deflecting flows away around spindle.Liquid phase inertia is larger, collides with the front of spindle, liquid phase is dispersed into
Tiny drop or brin, to be increased rapidly in collision area gas-liquid two-phase contact area, gas-liquid blending effect is preferable.
Certainly, described above is only that presently preferred embodiments of the present invention is answered the present invention is not limited to enumerate above-described embodiment
When explanation, any technical person familiar with the field is all equivalent substitutes for being made, bright under the guidance of this specification
Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.
Claims (5)
1. a kind of foam-making apparatus, including blending room, which is characterized in that the front of the blending room is class venturi pipeline section,
The rear portion for blending room is equipped with spindle flow spoiler, and the entrance for blending room is connected with air source and foam liquid supplying device, spindle
Downstream is equipped with strainer, blends the outlet connection apparatus for spray of foam of room；
After the entrance of gas-liquid two-phase blending room enters blending room, it is first subjected to gas-liquid blending under class venturi pipeline section restrictive function,
Then, gas-liquid two-phase encounters the flow-disturbing effect of spindle flow spoiler in downstream, and further gas-liquid blending, gas phase inertia is smaller, fast
Fast deflecting flows away around spindle flow spoiler, and liquid phase inertia is larger, collides with the windward side of spindle flow spoiler, liquid phase
It is dispersed into tiny drop or brin, is increased in collision area gas-liquid two-phase contact area, in the downstream of spindle spoiler
Gas-liquid two-phase further refines drop and brin through strainer, and the foam solution after blending is through blending the foam of room outlet stream downstream
Injection apparatus.
2. a kind of foam-making apparatus according to claim 1, which is characterized in that the entrance of the blending room includes gas phase
Entrance and liquid phase entrance, liquid phase entrance is in centre, and gas phase entrance is around liquid phase entrance.
3. a kind of foam-making apparatus according to claim 2, which is characterized in that the inlet diameter size of the blending room
Diameter compared with blending room is small, and gas-liquid two-phase, which enters from entrance behind blending interior, occurs expansion flowing.
4. a kind of foam-making apparatus according to claim 1, which is characterized in that the spindle flow spoiler passes through cross
Holder is welded in blending chamber interior walls.
5. a kind of foam-making apparatus according to claim 1, which is characterized in that the class venturi pipeline section includes shrinking
Section and expansion segment, the flow area of class venturi pipeline section is first shunk to be expanded afterwards, gas-liquid two-phase first contraction section decompression acceleration, after
Expansion segment supercharging is slowed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579611.0A CN105080004B (en) | 2015-09-11 | 2015-09-11 | A kind of foam-making apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510579611.0A CN105080004B (en) | 2015-09-11 | 2015-09-11 | A kind of foam-making apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105080004A CN105080004A (en) | 2015-11-25 |
| CN105080004B true CN105080004B (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510579611.0A Active CN105080004B (en) | 2015-09-11 | 2015-09-11 | A kind of foam-making apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105080004B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225793B (en) * | 2021-11-20 | 2024-03-26 | 南京翔瑞智能装备技术有限公司 | Blending bin with suspension type installation blending pipe |
| CN114452872B (en) * | 2021-11-20 | 2024-03-26 | 南京翔瑞智能装备技术有限公司 | Double-layer blending material pipe and residue-free blending bin |
| CN114225792B (en) * | 2021-11-20 | 2024-03-26 | 南京翔瑞智能装备技术有限公司 | Blending bin for discharging by lower vibration |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204972766U (en) * | 2015-09-11 | 2016-01-20 | 中国石油化工股份有限公司 | Foam generating device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2121390C1 (en) * | 1997-05-14 | 1998-11-10 | Научно-исследовательский институт низких температур при МАИ (Московском государственном авиационном институте - техническом университете) | Fire-extinguishing plant |
| CN101251024B (en) * | 2008-04-08 | 2010-09-15 | 中国矿业大学 | Foam generator for dedusting coal mine |
| WO2009126155A1 (en) * | 2008-04-10 | 2009-10-15 | Utc Fire & Security Corporation | Fire suppression system with improved two-phase flow distribution |
| CN102240512A (en) * | 2010-05-11 | 2011-11-16 | 刁绍坤 | Dedusting foaming device |
| CN102107055B (en) * | 2011-02-22 | 2012-08-29 | 广东联塑科技实业有限公司 | Water gun for fire protection |
| CN202909347U (en) * | 2012-11-08 | 2013-05-01 | 公安部天津消防研究所 | Fixed type compressed-air foam fire extinguishing device |
| CN202892721U (en) * | 2012-11-08 | 2013-04-24 | 公安部天津消防研究所 | Compressed air foam spraying fire-extinguishing device |
| CN103111221B (en) * | 2013-02-04 | 2014-12-10 | 西安交通大学 | Venturi mixer with rotating blade |
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2015
- 2015-09-11 CN CN201510579611.0A patent/CN105080004B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204972766U (en) * | 2015-09-11 | 2016-01-20 | 中国石油化工股份有限公司 | Foam generating device |
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| Publication number | Publication date |
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| CN105080004A (en) | 2015-11-25 |
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