CN104958851B - A kind of natural inflow formula foam maker - Google Patents
A kind of natural inflow formula foam maker Download PDFInfo
- Publication number
- CN104958851B CN104958851B CN201510307177.0A CN201510307177A CN104958851B CN 104958851 B CN104958851 B CN 104958851B CN 201510307177 A CN201510307177 A CN 201510307177A CN 104958851 B CN104958851 B CN 104958851B
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- CN
- China
- Prior art keywords
- main pipe
- cone
- support
- cover
- airscoop shroud
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Classifications
-
- 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
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A kind of natural inflow formula foam maker, including main pipe, airscoop shroud, separation cover, first support, second support, impeller sets, turbine group, main shaft, guider, fiaring cone and radome fairing；Airscoop shroud, radome fairing is separately mounted to main pipe both ends, first support is arranged on main pipe in the endoporus of airscoop shroud one end, second support is arranged on main pipe in the endoporus of radome fairing one end, fiaring cone is installed on the secondary support bracket, the both ends of main shaft respectively with first support, bearing combination on fiaring cone, separate cover and be arranged on main pipe in the endoporus of airscoop shroud one end, its truncated cone cylinder bore is air storage chamber, its truncated cone cylinder body outer wall, the anchor ring of its circular ring plate and the inwall of main pipe surround fluid reservoir, the main pipe wall of fluid reservoir is provided with inlet, anchor ring is provided with spray hole, impeller sets are arranged on main shaft and in air storage chamber, guider is arranged on main shaft and between separation cover circular ring plate and fiaring cone, turbine group is installed on the guides.
Description
Technical field
The invention belongs to foam maker field, is related to a kind of foam maker for fire-fighting fire extinguishing.
Background technology
Existing foam maker can be divided into by intake method：Actively give gas mode and natural inflow mode.The active is given
Gas mode is that the gas of input main pipe is the gas-pressurized after overcompression, thus needs air compressor, air accumulator etc. supporting
Equipment, cost is not only increased, and the carrying to corollary equipment is added in, personnel make troubles to fire-fighting fire extinguishing.
The natural inflow mode is that to input the gas of main pipe be natural air, standard GB/T 15308-2006《Fire foam》Push away
It is a kind of foam maker of natural inflow mode to recommend the low expansion foam generator used, including two sections of chambers that diameter is different
Body, liquid at high speed are entered in major diameter cavity by a minor diameter cavity, are spread to surrounding rapidly, disperse gas-liquid two-phase,
Mixing, form foam.Therefore, supply that the pressure of liquid is sufficiently large, just can guarantee that and suck enough air, disperseed, mixed
Close, but sufficiently large pressure can make flow rate of liquid excessive, cause gas-liquid mixed uneven, and frostproof froth n multiple reduces.
The content of the invention
It is such a it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of natural inflow formula foam maker
Not only gas-liquid mixed is uniform for foam maker, can realize fully foaming, and do not need supporting gas boosting equipment.
Natural inflow formula foam maker of the present invention, including main pipe, airscoop shroud, separate cover, first support, second
Frame, impeller sets, turbine group, main shaft, guider, fiaring cone and radome fairing；The main pipe is pipe, and airscoop shroud is arranged on main pipe
One end forms inlet channel, and the other end that radome fairing is arranged on main pipe forms foam output channel, and first support is arranged on main pipe
It is connected in the endoporus of airscoop shroud one end and with main pipe inwall, second support is arranged on endoporus of the main pipe close to radome fairing one end
In and be connected with main pipe inwall；The fiaring cone is cone, and on the secondary support bracket, mounting means is for installation：In fiaring cone
Heart line overlaps with the center line of second support, the vertex of a cone of fiaring cone is towards radome fairing direction；The first support centre and
The centre of fiaring cone is separately installed with the bearing with spindle combinations, and one end of main shaft is with being arranged on first support centre
Bearing combination, the other end of main shaft be arranged on fiaring cone centre bearing combine；The cover that separates is truncated cone
The assembly of cylinder and circular ring plate, multiple spray holes are provided with the anchor ring of circular ring plate, and circular ring plate is small around truncated cone cylinder
Hold end installation, center line of its anchor ring perpendicular to truncated cone cylinder；Separate cover and be arranged on main pipe close to airscoop shroud one end
In endoporus and after the first support, separate the big end of truncated cone cylinder of cover towards airscoop shroud direction and truncated cone cylinder
The big end end outer wall of body and the inwall of main pipe are connected, and separate the circular ring plate lateral surface of cover and the inwall of main pipe is connected, and separate cover
Truncated cone cylinder bore be air storage chamber, separate the truncated cone cylinder body outer wall, the anchor ring of circular ring plate and the inwall of main pipe of cover
Fluid reservoir is surrounded, surrounds and offers inlet on the main pipe wall of fluid reservoir；The impeller sets by least three different-diameters leaf
Wheel composition, each impeller are separately mounted on main shaft and in air storage chambers；The guider is the combination of cone and the frustum of a cone
Body, the big end of the frustum of a cone connects with the cone bottom of cone and the diameter at the big end of the frustum of a cone is identical with the diameter at cone cone bottom, leads
It is arranged on to device on main shaft and positioned at separating between cover circular ring plate and fiaring cone, the cone vertex of a cone direction of guider separates cover circle
Ring plate direction, the turbine group are made up of at least two turbines, and each turbine is separately mounted on the frustum of a cone of guider, separate cover
Circular ring plate anchor ring and guider the big end of the frustum of a cone between space be gas-liquid mixed room.
Natural inflow formula foam maker of the present invention, it is preferably main pipe that it, which separates the length of the truncated cone cylinder of cover,
LengthSeparate the truncated cone cylinder of cover big end external diameter is identical with the internal diameter of main pipe, small end external diameter is preferably big end
External diameter
Natural inflow formula foam maker of the present invention, its first support, second support are by supporting mass and around branch
Hold at least three connecting rods that body is uniformly distributed and is connected with supporting mass to form, the connecting rod of second support is preferably to away from supporting
The streamline structure that body direction is shunk.
Natural inflow formula foam maker of the present invention, it separates the total face of spray hole set on the circular ring plate anchor ring of cover
The ratio of product and anchor ring area is 0.25~0.33.The quantity of fluid hole is 4~6, is separated by and angularly uniformly divides on anchor ring
Cloth.
Natural inflow formula foam maker of the present invention, its airscoop shroud one end match with main pipe, and the other end enters for air
Mouthful, it is shaped as the streamline structure shunk to air intake direction；Radome fairing one end matches with main pipe, and the other end goes out for foam
Mouthful, it is shaped as the streamline structure shunk to foam outlet direction.
The operation principle of natural inflow formula foam maker of the present invention：Expanding foam solution with certain pressure passes through main pipe
The inlet of upper setting enters fluid reservoir, then the fluid hole set from the circular ring plate anchor ring for separating cover is spurted into gas-liquid at a high speed and mixed
Room is closed, natural air enters gas-liquid mixed room through airscoop shroud, air storage chamber, and in gas-liquid mixed room, high speed expanding foam solution mixes with air
Close and carry out one step foaming, the high speed foam shock after one step foaming is located at the turbo blade after gas-liquid mixed room, so as to drive
Rotation is stirred to form second time of foaming turbo blade to foam solution at a high speed, the outlet of the rectified cover of the foam solution after second time of foaming
Spray, the high speed rotation of turbo blade then drives main shaft and the impeller sets on main shaft to rotate at a high speed, and air is largely inhaled
Enter air storage chamber and be sent into gas-liquid mixed room after being pressurized.
Compared with prior art, the invention has the advantages that：
1st, natural inflow formula foam maker of the present invention can be such that high speed expanding foam solution is mixed with air in gas-liquid mixed room
One step foaming is carried out, then second time of foaming is realized by the stirring of the turbo blade after gas-liquid mixed room, thus gas-liquid is mixed
Close uniform, it is ensured that foaming completely.
2nd, turbo blade is made to rotate at a high speed using the high speed foam after one step foaming, so as to drive main shaft and impeller sets at a high speed
Rotation, air not only can largely be sucked to air storage chamber and the air needs that gas-liquid mixed room meets one step foaming are sent into after being pressurized,
Make one step foaming effect more preferable, and the energy can be saved, do not increase supporting gas boosting equipment.
3rd, the structure of guider, be advantageous to improve one step foaming, the effect of second time of foaming.
4th, airscoop shroud is the streamline structure shunk to air intake direction, air can be avoided to form whirlpool around it
Rotation, extraneous air can enter air storage chamber by airscoop shroud to greatest extent.
5th, fiaring cone and second support shape and construction, can make the foam after second time of foaming reduce energy loss, with to
The radome fairing for the streamline structure that foam outlet direction is shunk coordinates, and can improve the fire-fighting fire extinguishing effect of foam.
6th, natural inflow formula foam maker of the present invention is compact-sized, is easy to carry, easy to use.
Brief description of the drawings
Fig. 1 is the structural representation of natural inflow formula foam maker of the present invention；
Fig. 2 is the structural representation for separating cover in natural inflow formula foam maker of the present invention；
Fig. 3 is Fig. 2 right view；
Fig. 4 is the structural representation of first support and the combination figure with main pipe；
Fig. 5 is the structural representation of second support and the combination figure with main pipe；
In figure, 1 main pipe, 2 airscoop shrouds, 3 air storage chambers, 4 inlets, 5 separation covers, 5-1 truncated cone cylinders, 5-2 annulus
Piece, 5-3 spray holes, 6 first supports, 6-1 supporting masses, 6-2 connecting rods, second support 7,7-1 supporting masses, 7-2 connecting rods, 8 leaves
Wheel group, 9 turbine groups, 10 fluid reservoirs, 11 gas-liquid mixed rooms, 12 main shafts, 13 guiders, 14 fiaring cones, radome fairing 15.
Embodiment
Natural inflow formula foam maker of the present invention is made further specifically by embodiment below in conjunction with the accompanying drawings
It is bright.
In the present embodiment, the structure of natural inflow formula foam maker is as shown in figure 1, by main pipe 1, airscoop shroud 2, separating and covering
5th, first support 6, second support 7, impeller sets 8, turbine group 9, main shaft 12, guider 13, fiaring cone 14 and radome fairing 15 form.
As shown in figure 1, the main pipe 1 is pipe, described one end of airscoop shroud 2 matches with main pipe, and the other end is air intake,
It is shaped as the streamline structure shunk to air intake direction, and described one end of radome fairing 15 matches with main pipe, and the other end is bubble
Foam exports, and it is shaped as the streamline structure shunk to foam outlet direction；One end that airscoop shroud 2 is arranged on main pipe forms air inlet
Passage, the other end that radome fairing 15 is arranged on main pipe form foam output channel.
As shown in figure 4, first support 6 by supporting mass 6-1 and around supporting mass be uniformly distributed and with supporting mass be connected three
Root connecting rod 6-2 is formed, and the angle between adjacent connecting rod 6-2 is 120o, as shown in figure 5, second support 7 is by supporting mass 7-1
Formed with the four connecting rod 7-2 for being uniformly distributed around supporting mass and being connected with supporting mass, the angle between adjacent connecting rod 7-2
For 90o, each connecting rod is to the streamline structure shunk away from supporting mass direction；As shown in figure 1, first support 6 is arranged on mother
Pipe is in the endoporus of airscoop shroud one end and each connecting rod is connected with main pipe inwall, and second support 7 is arranged on main pipe close to rectification
Cover in the endoporus of one end and each connecting rod is connected with main pipe inwall.
As shown in figure 1, the fiaring cone 14 is cone, and on the supporting mass 7-1 of second support, mounting means
It is：The center line of fiaring cone overlaps with the center line of second support, the vertex of a cone of fiaring cone is towards radome fairing direction；Described first
The supporting mass 6-1 centres of frame 6 and the centre of fiaring cone 14 are separately installed with the bearing combined with main shaft 12, main shaft 12
One end combine with installed in the bearing in first support supporting mass centre, the other end of main shaft 12 is with being arranged on fiaring cone 14
The bearing combination in centre.
As shown in Figure 2 and Figure 3, it is described to separate the assembly that cover 5 is truncated cone cylinder 5-1 and circular ring plate 5-2, circular ring plate
5-2 installs around truncated cone cylinder small end end, center line of its anchor ring perpendicular to truncated cone cylinder；The anchor ring of circular ring plate
On be provided with four and be uniformly distributed aperture identical spray hole 5-3, the angle between adjacent spray hole is 90o, four spray holes
The gross area and the ratio of anchor ring area can be selected between 0.25~0.33；The length for separating the truncated cone cylinder of cover 5 can
Early main pipe lengthBetween select, separate cover 5 truncated cone cylinder big end external diameter is identical with the internal diameter of main pipe, small end
External diameter can be in end external diameter greatlyBetween select.As shown in figure 1, separating cover 5 is arranged on main pipe in airscoop shroud one end
In hole and after the first support 6, separate the truncated cone cylinder 5-1 big end of cover towards the direction of airscoop shroud 2 and the frustum of a cone
The big end end outer wall of shape cylinder and the inwall of main pipe are connected, and separate the circular ring plate 5-2 lateral surfaces of cover and the inwall of main pipe is connected,
The truncated cone cylinder bore for separating cover is air storage chamber 3, separates truncated cone cylinder body outer wall, the anchor ring and main pipe of circular ring plate of cover
Inwall surround fluid reservoir 10, surround and inlet 4 offered on the main pipe wall of fluid reservoir.
As shown in figure 1, the impeller sets 8 are made up of the impeller of four different-diameters, each impeller is separately mounted on main shaft
And in air storage chamber 3；The guider 13 is the assembly of cone and the frustum of a cone, the big end of the frustum of a cone and the cone of cone
Bottom connects and the diameter at the big end of the frustum of a cone is identical with the diameter at cone cone bottom, the diameter of frustum of a cone small end and the cone of fiaring cone 14
Bottom diameter is identical；Guider 13 is arranged on main shaft and between the circular ring plate 5-2 and fiaring cone 14 for separating cover, guider
The circular ring plate direction that the cone vertex of a cone covers towards separation；The turbine group 9 is made up of two turbines, and each turbine is separately mounted to lead
To on the frustum of a cone of device 13, the space between the big end of the frustum of a cone of the circular ring plate anchor ring and guider that separate cover is gas-liquid mixed room
11。
The invention is not restricted to above-described embodiment, Bu Tong can specifically be tied with manufacture according to the scope design that claims limit
The foam maker of structure.
Claims (9)
1. a kind of natural inflow formula foam maker, including main pipe (1), it is characterised in that also including airscoop shroud (2), separate cover
(5), first support (6), second support (7), impeller sets (8), turbine group (9), main shaft (12), guider (13), fiaring cone
And radome fairing (15) (14)；
The main pipe (1) is pipe, and one end that airscoop shroud (2) is arranged on main pipe forms inlet channel, and radome fairing (15) is arranged on
The other end of main pipe forms foam output channel, first support (6) be arranged on main pipe in the endoporus of airscoop shroud one end and with
Main pipe inwall is connected, and second support (7) is connected installed in main pipe in the endoporus of radome fairing one end and with main pipe inwall；
The fiaring cone (14) is cone, and on the secondary support bracket, mounting means is for installation：The center line of fiaring cone and second
The center line of frame overlaps, the vertex of a cone of fiaring cone is towards radome fairing direction；First support (6) centre and fiaring cone (14)
Centre be separately installed with the bearing combined with main shaft (12), one end of main shaft (12) with first support (6)
The bearing combination of center portion position, the other end of main shaft (12) combine with the bearing installed in fiaring cone (14) centre；
It is described to separate the assembly that cover (5) is truncated cone cylinder (5-1) and circular ring plate (5-2), set on the anchor ring of circular ring plate
There are multiple spray holes (5-3), circular ring plate is installed around truncated cone cylinder small end end, and its anchor ring is perpendicular to truncated cone cylinder
Center line；Separate cover and be arranged on main pipe in the endoporus of airscoop shroud one end and after first support, separate the circle of cover
The big end of taper type cylinder is connected towards the inwall of the big end end outer wall and main pipe of airscoop shroud direction and truncated cone cylinder, point
It is connected every the circular ring plate lateral surface of cover and the inwall of main pipe, the truncated cone cylinder bore for separating cover is air storage chamber (3), separates cover
Truncated cone cylinder body outer wall, the anchor ring of circular ring plate and the inwall of main pipe surround fluid reservoir (10), surround the main pipe wall of fluid reservoir
On offer inlet (4)；
The impeller sets (8) are made up of the impeller of at least three different-diameters, and each impeller is separately mounted on main shaft and positioned at storage
In air chamber；
The guider (13) is the assembly of cone and the frustum of a cone, and the big end of the frustum of a cone connects with the cone bottom of cone and circle
The diameter at the big end of frustum is identical with the diameter at cone cone bottom, and guider (13) is arranged on main shaft and positioned at separation cover circular ring plate
Between fiaring cone, the cone vertex of a cone of guider is towards cover circular ring plate direction is separated, and the turbine group (9) is by least two whirlpools
Wheel composition, each turbine are separately mounted on the frustum of a cone of guider (13), separate the circular ring plate anchor ring of cover and the circular cone of guider
Space between the big end of platform is gas-liquid mixed room (11).
2. natural inflow formula foam maker according to claim 1, it is characterised in that separate the truncated cone cylinder of cover (5)
Length for main pipe lengthThe big end external diameter for separating the truncated cone cylinder of cover (5) is identical, small with the internal diameter of main pipe
External diameter is held as big end external diameter
3. natural inflow formula foam maker according to claim 1 or claim 2, it is characterised in that first support (6), second support
(7) at least three connecting rods for being uniformly distributed by supporting mass and around supporting mass and being connected with supporting mass form, second support
Connecting rod be to the streamline structure shunk away from supporting mass direction.
4. natural inflow formula foam maker according to claim 1 or claim 2, it is characterised in that separate the annulus loop of cover (5)
The ratio of the spray hole gross area set on face and anchor ring area is 0.25~0.33.
5. natural inflow formula foam maker according to claim 3, it is characterised in that on the circular ring plate anchor ring for separating cover (5)
The spray hole gross area of setting is 0.25~0.33 with the ratio of anchor ring area.
6. natural inflow formula foam maker according to claim 1 or claim 2, it is characterised in that airscoop shroud (2) one end and main pipe
Matching, the other end is air intake, and it is shaped as the streamline structure shunk to air intake direction；Radome fairing (15) one end with
Main pipe matches, and the other end is foam outlet, and it is shaped as the streamline structure shunk to foam outlet direction.
7. natural inflow formula foam maker according to claim 3, it is characterised in that airscoop shroud (2) one end and main pipe
Match somebody with somebody, the other end is air intake, and it is shaped as the streamline structure shunk to air intake direction；Radome fairing (15) one end and mother
Pipe matches, and the other end is foam outlet, and it is shaped as the streamline structure shunk to foam outlet direction.
8. natural inflow formula foam maker according to claim 4, it is characterised in that airscoop shroud (2) one end and main pipe
Match somebody with somebody, the other end is air intake, and it is shaped as the streamline structure shunk to air intake direction；Radome fairing (15) one end and mother
Pipe matches, and the other end is foam outlet, and it is shaped as the streamline structure shunk to foam outlet direction.
9. natural inflow formula foam maker according to claim 5, it is characterised in that airscoop shroud (2) is to air intake side
To the streamline structure of contraction, radome fairing (15) is the streamline structure shunk to foam outlet direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307177.0A CN104958851B (en) | 2015-06-05 | 2015-06-05 | A kind of natural inflow formula foam maker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510307177.0A CN104958851B (en) | 2015-06-05 | 2015-06-05 | A kind of natural inflow formula foam maker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104958851A CN104958851A (en) | 2015-10-07 |
| CN104958851B true CN104958851B (en) | 2018-03-06 |
Family
ID=54213043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510307177.0A Expired - Fee Related CN104958851B (en) | 2015-06-05 | 2015-06-05 | A kind of natural inflow formula foam maker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104958851B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113018722A (en) * | 2019-12-25 | 2021-06-25 | 应急管理部消防产品合格评定中心 | Airborne bi-component water-based fire extinguishing device for unmanned aerial vehicle |
| CN112547336B (en) * | 2020-11-26 | 2022-03-08 | 中国民用航空飞行学院 | Fine water mist generation device based on high-speed air jet atomization |
| RU206580U1 (en) * | 2021-03-29 | 2021-09-16 | Владислав Тимурович Крылов | FOAM GENERATOR |
| CN113155208B (en) * | 2021-05-25 | 2021-10-12 | 中国航发四川燃气涡轮研究院 | Gas flow detection device suitable for turbine blade |
| CN115337568B (en) * | 2022-07-28 | 2023-05-02 | 山东鲁烟莱州印务有限公司 | Grouping type automatic fire extinguishing device of intaglio printing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000407A (en) * | 2010-09-30 | 2011-04-06 | 天津龙盛世博安全设备有限公司 | High expansion foam generator |
| CN103585727A (en) * | 2013-11-08 | 2014-02-19 | 西安新竹防灾救生设备有限公司 | High-expansion foam generator |
| CN204684503U (en) * | 2015-06-05 | 2015-10-07 | 中国民用航空飞行学院 | A kind of natural inflow formula foam maker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1830256C (en) * | 1990-08-07 | 1993-07-30 | Ташкентский Факультет Высшей Инженерной Пожарно-Технической Школы | Foam generator |
-
2015
- 2015-06-05 CN CN201510307177.0A patent/CN104958851B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102000407A (en) * | 2010-09-30 | 2011-04-06 | 天津龙盛世博安全设备有限公司 | High expansion foam generator |
| CN103585727A (en) * | 2013-11-08 | 2014-02-19 | 西安新竹防灾救生设备有限公司 | High-expansion foam generator |
| CN204684503U (en) * | 2015-06-05 | 2015-10-07 | 中国民用航空飞行学院 | A kind of natural inflow formula foam maker |
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| Publication number | Publication date |
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| CN104958851A (en) | 2015-10-07 |
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