CN207384655U - A kind of medium expansion foam generation device - Google Patents
A kind of medium expansion foam generation device Download PDFInfo
- Publication number
- CN207384655U CN207384655U CN201721161760.6U CN201721161760U CN207384655U CN 207384655 U CN207384655 U CN 207384655U CN 201721161760 U CN201721161760 U CN 201721161760U CN 207384655 U CN207384655 U CN 207384655U
- Authority
- CN
- China
- Prior art keywords
- eddy flow
- rotary fluid
- hole
- foaming
- generation device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of medium expansion foam generation devices, insert male connector, rotary fluid, foaming cylinder soon including entering water, the foaming cylinder front end is equipped with back taper spray orifice, and rear end is equipped with foaming sieve；The eddy flow body axis circumferential direction is symmetrically equipped at intervals with multiple eddy flow teeth, and adjacent eddy flow diastema is obliquely installed to form the consistent whirl hole of inclined direction；The rotary fluid is arranged in the back taper spray orifice, and the whirl hole forms eddy flow spray slot with back taper spray orifice inner wall；The inlet that the arrival end of the eddy flow spray slot inserts male connector with entering water soon is connected, and the port of export is connected with foaming cylinder liquid outlet.The utility model is simple in structure, easy to operate, it manufactures at low cost, by using rotary fluid structure at entry to mixed solution, mixed liquor rotating machinery is fully atomized, so that water, foam solution, air are sufficiently mixed foaming, foamed stability is good and multiple is high, far firing range, so that fixed froth installation extinguishing property is good and reliable and stable.
Description
Technical field
The utility model belongs to fire fighting extinguisher, particularly a kind of medium expansion foam generation device.
Background technology
Froth fire extinguishing system is one of nowadays preferred fire-fighting system, generates foam by foam maker, will fire
Body and air exclusion are burnt, burning things which may cause a fire disaster is made to suffocate due to anoxic, and heat is taken away with foam breakage, plays the effect of cooling, according to
Foam solution coefficient of foaming is divided into basic, normal, high times three kinds, wherein, the volume of Medium-expansion foam generator foam is mixeding liquid volume
21~200 times, the external proportioner of input terminal of foam maker, by proportioner by the bubble in clear water and foam tank
After foam stoste mixes in proportion, input to be formed in foam maker and foam and spray, existing foam maker be primarily present with
Lower shortcoming：Since foam needs to spray with faster speed, common foam maker may be only available for low power foaming, bubble
It is difficult to coordinate between foam spouting velocity and coefficient of foaming, it is difficult especially for the foam maker for directly inputting foam mixing liquid
Foam is formed with abundant diverging.
The content of the invention
The purpose of this utility model is in view of the problems of the existing technology, to provide a kind of medium expansion foam generation device,
The apparatus structure is simple and convenient to operate, and manufacture is at low cost, by using rotary fluid structure at entry to mixed solution, by mixed liquor
Rotating machinery is fully atomized, so that water, foam solution, air are sufficiently mixed foaming, foamed stability is good and multiple is high, range
Far, so that fixed froth installation extinguishing property is good and reliable and stable.
To achieve the above object, the technical solution adopted in the utility model is：A kind of medium-expansion foam-generating equipment, including
Enter water and insert male connector, rotary fluid, foaming cylinder soon, the foaming cylinder front end is equipped with back taper spray orifice, and rear end is equipped with foaming sieve；Institute
It states eddy flow body axis circumferential direction and is symmetrically equipped at intervals with multiple eddy flow teeth, adjacent eddy flow diastema is obliquely installed that form inclined direction consistent
Whirl hole；The rotary fluid is arranged in the back taper spray orifice, and the whirl hole forms eddy flow with back taper spray orifice inner wall
Spray slot；The inlet that the arrival end of the eddy flow spray slot inserts male connector with entering water soon is connected, and the port of export goes out liquid with foaming cylinder
Mouth is connected.
Further, the whirl hole entrance splaying is not less than the gap of its port of export.
Preferably, the whirl hole is angled straight lines hole, and the whirl hole and rotary fluid axial plane angle are 30 °.
Preferably, the whirl hole is trend curve hole.
Preferably, the number of the whirl hole is 4~10.
Preferably, the mesh of the foaming sieve mesh mesh number >=50.
Further, axis circumferential direction is arranged with multiple through holes on the rotary fluid, and the arrival end of the through hole is located at rotation
On discharge orifice, the port of export is converged at the center of rotary fluid other end so that through hole is obliquely installed compared with eddy flow body axis.
Further, axis circumferential direction is arranged with multiple eddy flow slots being connected with the whirl hole on the rotary fluid,
One end of the eddy flow slot is located on the eddy flow tooth of rotary fluid end face, and the other end is connected with whirl hole.
Compared with prior art, the beneficial effects of the utility model are：1st, the utility model, which uses, sets rotary fluid structure,
It is transported at the sieve of foaming cylinder, is sucked in foaming cylinder empty again after water and foam solution rotating machinery fully being hit atomization
Water, foam solution, air are sufficiently mixed foaming by gas, and so as to improve frostproof froth n multiple and its range, coefficient of foaming is up to 70
Times, range >=8m is particularly suitable for high-pressure plunger pumping system；2nd, the utility model is simple for structure, and manufacture is at low cost, can be conveniently fast
The high fire foam of coefficient of foaming is ejected fastly so that the extinguishing property higher of fixed froth installation is more stable and reliable.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of medium-expansion foam-generating equipment of the utility model；
Fig. 2 is a kind of cross section structure schematic diagram of medium-expansion foam-generating equipment of the utility model；
Fig. 3 is the dimensional structure diagram of the utility model rotary fluid；
Fig. 4 is the overlooking the structure diagram of the utility model rotary fluid；
Fig. 5 is the structure diagram of the utility model rotary fluid；
Fig. 6 is the structure diagram of the utility model another kind rotary fluid；
Fig. 7 is the structure diagram of the utility model another kind rotary fluid；
In figure：1st, enter water and insert male connector soon；2nd, rotary fluid；3rd, foam cylinder；4th, foam sieve；5th, back taper spray orifice；6th, revolve
Flow tooth；7th, whirl hole；8th, through hole；9th, eddy flow slot.
Specific embodiment
Below in conjunction with the attached drawing in the utility model, the technical solution of the utility model is clearly and completely retouched
It states, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.Based on this
Embodiment in utility model, those of ordinary skill in the art obtained under the conditions of creative work is not made it is all its
Its embodiment, shall fall within the protection scope of the present invention.
As shown in figs. 1-7, a kind of medium-expansion foam-generating equipment inserts male connector 1, rotary fluid 2, foaming cylinder soon including entering water
3,3 front end of the foaming cylinder is equipped with back taper spray orifice 5, and rear end is equipped with foaming sieve 4；Between 2 axis of the rotary fluid circumferential direction is symmetrical
Every equipped with multiple eddy flow teeth 6, adjacent 6 gap of eddy flow tooth is obliquely installed to form the consistent whirl hole 7 of inclined direction；The rotary fluid
2 are arranged in the back taper spray orifice 5, and the whirl hole 7 forms eddy flow spray slot with 5 inner wall of back taper spray orifice；The eddy flow spray
The inlet that the arrival end of slot inserts male connector 1 with entering water soon is connected, and the port of export is connected with foaming 3 liquid outlet of cylinder.
The utility model is formed using the back taper spray orifice 5 for being arranged on 3 front end of foaming cylinder with the whirl hole 7 on rotary fluid 2
Eddy flow sprays slot, and 7 inclined direction one of whirl hole is shown the eddy flow for generating equidirectional, can fully be hit water and foam solution rotating machinery
It is transported to again at the sieve of foaming cylinder 3 after hitting atomization, sucking air, water, foam solution, air are sufficiently mixed in foaming cylinder 3
Foaming, so as to improve frostproof froth n multiple and its range, coefficient of foaming is particularly suitable for high-pressure column up to 70 times, range >=8m
Fill in pumping system.
The 7 entrance splaying of whirl hole is not less than the gap of its port of export.
The whirl hole 7 is angled straight lines hole, and the whirl hole 7 and 2 axial plane angle of rotary fluid are 30 °.At this point, institute
The gap that 7 entrance splaying of whirl hole is equal to its port of export is stated, which uses 30 ° of rotation
Water and foam solution rotating machinery can more fully be hit the sieve being transported to again after being atomized at foaming bucket by the rotary fluid 2 that discharge orifice 7 is done
Net.
The whirl hole 7 is trend curve hole.So so that water, the amplitude of foam solution mixed liquor turbulent fluctuation increase, into
One step improves fine atomization effect.
The number of the whirl hole 7 is 4~10.
The mesh of the foaming sieve 4 mesh mesh number >=50.
Further, axis circumferential direction is arranged with multiple through holes 8 on the rotary fluid 2, and the arrival end of the through hole 8 is located at
In whirl hole 7, the port of export is converged at the center of 2 other end of rotary fluid so that through hole 8 is tilted compared with 2 axis of rotary fluid
It sets.Water, the foam solution mixed liquor of streamlined flow, which enter at through hole 8, to be occurred to hit atomization.
Further, axis circumferential direction is arranged with multiple eddy flow slots being connected with the whirl hole 7 on the rotary fluid 2
9, one end of the eddy flow slot 9 is located on the eddy flow tooth 6 of 2 end face of rotary fluid, and the other end is connected with whirl hole 7.When water, bubble
When foam liquid mixed liquor is entered in eddy flow spray slot, when reaching whirl hole 7 with eddy flow 9 junction of slot, it is divided into two-way and continues flowing atomization,
Further enhance the turbulent fluctuation of mixed liquor and fine atomization effect.
Embodiment one
As in Figure 3-5, a kind of medium-expansion foam-generating equipment inserts male connector 1, rotary fluid 2, foaming cylinder soon including entering water
3,3 front end of the foaming cylinder is equipped with back taper spray orifice 5, and rear end is equipped with foaming sieve 4；Between 2 axis of the rotary fluid circumferential direction is symmetrical
Every equipped with multiple eddy flow teeth 6, adjacent 6 gap of eddy flow tooth is obliquely installed to form the consistent whirl hole 7 of inclined direction；The rotary fluid
2 are arranged in the back taper spray orifice 5, and the whirl hole 7 forms eddy flow spray slot with 5 inner wall of back taper spray orifice；The eddy flow spray
The inlet that the arrival end of slot inserts male connector 1 with entering water soon is connected, and the port of export is connected with foaming 3 liquid outlet of cylinder；It is described
The number of whirl hole 7 is 8.The mesh of the foaming sieve 4 mesh mesh number >=50；The whirl hole 7 be angled straight lines hole, the rotation
Discharge orifice 7 and 2 axial plane angle of rotary fluid are 30 °.
Embodiment two
A kind of medium-expansion foam-generating equipment, with differing only in for embodiment one：The whirl hole 7 is trend curve
Hole.
Embodiment three
As shown in fig. 6, a kind of medium-expansion foam-generating equipment, with differing only in for embodiment one：On the rotary fluid 2
Axis circumferential direction is arranged with multiple through holes 8, and the arrival end of the through hole 8 is located in whirl hole 7, and the port of export converges at rotary fluid 2
At the center of other end so that through hole 8 is obliquely installed compared with 2 axis of rotary fluid.
Example IV
As shown in fig. 7, a kind of medium-expansion foam-generating equipment, with differing only in for embodiment one：On the rotary fluid 2
Axis circumferential direction is arranged with multiple eddy flow slots 9 being connected with the whirl hole 7, and one end of the eddy flow slot 9 is located at rotary fluid 2
On the eddy flow tooth 6 of end face, the other end is connected with whirl hole 7.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that in the case where not departing from the principle of the utility model and spirit can these embodiments be carried out with a variety of variations, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of medium expansion foam generation device, which is characterized in that insert male connector (1), rotary fluid (2), foaming soon including entering water
Cylinder (3), described foaming cylinder (3) front end are equipped with back taper spray orifice (5), and rear end is equipped with foaming sieve (4)；Rotary fluid (2) axis
Wire loop is obliquely installed to form the consistent rotation of inclined direction to multiple eddy flow teeth (6), adjacent eddy flow tooth (6) gap is symmetrically equipped at intervals with
Discharge orifice (7)；The rotary fluid (2) is arranged in the back taper spray orifice (5), and the whirl hole (7) is interior with back taper spray orifice (5)
Wall forms eddy flow spray slot；The inlet that the arrival end of the eddy flow spray slot inserts male connector (1) with entering water soon is connected, the port of export
It is connected with foaming cylinder (3) liquid outlet.
A kind of 2. medium expansion foam generation device according to claim 1, which is characterized in that whirl hole (7) entrance
Splaying is not less than the gap of its port of export.
3. a kind of medium expansion foam generation device according to claim 1, which is characterized in that the whirl hole (7) is to incline
Skew lines hole, the whirl hole (7) and rotary fluid (2) axial plane angle are 30 °.
4. a kind of medium expansion foam generation device according to claim 1, which is characterized in that the whirl hole (7) is to incline
Skew curve hole.
A kind of 5. medium expansion foam generation device according to claim 1, which is characterized in that of the whirl hole (7)
Number is 4~10.
A kind of 6. medium expansion foam generation device according to claim 1, which is characterized in that described foaming sieve (4) net
The mesh of hole mesh number >=50.
A kind of 7. medium expansion foam generation device according to claim 1, which is characterized in that axis on the rotary fluid (2)
Wire loop is located to multiple through holes (8), the arrival end of the through hole (8) is arranged in whirl hole (7), and the port of export converges at eddy flow
At the center of body (2) other end.
A kind of 8. medium expansion foam generation device according to claim 1, which is characterized in that axis on the rotary fluid (2)
Wire loop is located at rotation to multiple eddy flow slots (9) being connected with the whirl hole (7), one end of the eddy flow slot (9) is arranged with
On the eddy flow tooth (6) of fluid (2) end face, the other end is connected with whirl hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721161760.6U CN207384655U (en) | 2017-09-12 | 2017-09-12 | A kind of medium expansion foam generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721161760.6U CN207384655U (en) | 2017-09-12 | 2017-09-12 | A kind of medium expansion foam generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207384655U true CN207384655U (en) | 2018-05-22 |
Family
ID=62417067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721161760.6U Expired - Fee Related CN207384655U (en) | 2017-09-12 | 2017-09-12 | A kind of medium expansion foam generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207384655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749043A (en) * | 2022-06-13 | 2022-07-15 | 四川环钻星空能源科技有限公司 | Foam generator for drilling fluid in oil field |
-
2017
- 2017-09-12 CN CN201721161760.6U patent/CN207384655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114749043A (en) * | 2022-06-13 | 2022-07-15 | 四川环钻星空能源科技有限公司 | Foam generator for drilling fluid in oil field |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103084022B (en) | Self-absorption air type cyclone foaming device for dust removal of coal mine | |
| CN203778219U (en) | High pressure swirl nozzle for mist spray dust removal | |
| CN106703869B (en) | A kind of fully mechanized workface comprehensive dust prevention system | |
| CN202017516U (en) | Fireproof extinguishing foam generator for mining | |
| CN102182492A (en) | Underground dust-removing foam generator and foam dust-removing equipment | |
| CN104759372A (en) | Vortex street atomizing nozzle | |
| CN103111033A (en) | Gas-liquid mixing device | |
| CN205964787U (en) | Fire -fighting foam spray gun | |
| CN207384655U (en) | A kind of medium expansion foam generation device | |
| CN104922830B (en) | A kind of big flow suction type foam maker | |
| CN102989612A (en) | Self-suction pulse water jet ejection device | |
| CN105126277B (en) | A kind of big flow compressed-air foam mixing arrangement | |
| CN206026937U (en) | From inhaling formula air bubble gun | |
| CN202015582U (en) | Foaming device for use in coal mine and foam dedusting equipment | |
| CN104127980A (en) | Two-fluid water mist nozzle | |
| CN105107108B (en) | A kind of compound mixed proportion valve | |
| CN203971237U (en) | A kind of inline inductor | |
| CN207152915U (en) | A kind of self-priming air foam rifle | |
| CN203329244U (en) | Foaming device and fire fighting truck | |
| CN201180559Y (en) | Foam generator for coal mine dedusting | |
| CN203090325U (en) | Air-liquid mixing device | |
| CN107794990A (en) | A kind of mixed gas pulse cleaning device for intelligent closestool | |
| CN210483601U (en) | Ball trap at bend | |
| CN208756852U (en) | A kind of hydraulic spray nozzle of multi-direction injection | |
| CN205659580U (en) | Concentrated quick -witted pan feeding for medicament and coal slime water mixing arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20210912 |