CN104958851A - Natural intake type foam generator - Google Patents
Natural intake type foam generator Download PDFInfo
- Publication number
- CN104958851A CN104958851A CN201510307177.0A CN201510307177A CN104958851A CN 104958851 A CN104958851 A CN 104958851A CN 201510307177 A CN201510307177 A CN 201510307177A CN 104958851 A CN104958851 A CN 104958851A
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- Prior art keywords
- cone
- cover
- female pipe
- support
- female
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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
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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
The invention discloses a natural intake type foam generator. The natural intake type foam generator comprises a mother pipe, an intake cover, a separation cover, a first bracket, a second bracket, an impeller set, a turbine set, a main shaft, a guider, a fairing cone and a fairing cover, wherein the intake cover and the fairing cover are respectively mounted at the two ends of the mother pipe; the first bracket is mounted in an inner hole of one end, close to the intake cover, of the mother pipe; the second bracket is mounted in an inner hole of one end, close to the fairing cover, of the mother pipe; the fairing cone is mounted on the second bracket; the two ends of the main shaft are respectively combined with bearings mounted on the first bracket and the fairing cone; the separation cover is mounted in the inner hole of the end, close to the intake cover, of the mother pipe; an inner hole of a cone frustum type cylinder of the separation cover is an air storage chamber; the outer wall of the cone frustum type cylinder, the annular surface of an annular piece of the separation cove and the inner wall of the mother pipe define a liquid storage chamber; a liquid inlet is formed in the wall of the mother pipe in the liquid storage chamber; a liquid spraying hole is formed in the annular surface; the impeller set is mounted on the main shaft, and is positioned in the air storage chamber; the guider is mounted on the main shaft, and is positioned between the annular piece of the separation cover and the fairing cone; and the turbine set is mounted on the guider.
Description
Technical field
The invention belongs to foam maker field, relate to a kind of foam maker for fire-fighting fire extinguishing.
Background technology
Existing foam maker can be divided into by intake method: initiatively to gas mode and natural inflow mode.Described active is to the gas mode gas-pressurized that to be the gas inputting female pipe be after overcompression, thus the corollary equipment such as air compressor, air accumulator is needed, not only increase cost, and add carrying corollary equipment in using, to fire-fighting fire extinguishing, personnel make troubles.Described natural inflow mode is the gas inputting female pipe is natural air, the low expansion foam generator of standard GB/T 15308-2006 " fire foam " recommendation is a kind of foam maker of natural inflow mode, comprise two sections of cavitys that diameter is different, liquid at high speed enters in major diameter cavity by a minor diameter cavity, be rapidly to and around spread, gas-liquid two-phase is disperseed, mixes, form foam.Therefore, the pressure of feed fluid is enough large, and guarantee sucks enough air, carries out disperseing, mixing, but enough large pressure can make flow rate of liquid excessive, causes gas-liquid mixed uneven, and frostproof froth n multiple reduces.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of natural inflow formula foam maker, not only gas-liquid mixed is even for this kind of foam maker, can realize fully foaming, and not need supporting gas boosting equipment.
Natural inflow formula foam maker of the present invention, comprises female pipe, airscoop shroud, separation cover, the first support, the second support, impeller sets, turbine group, main shaft, guider, fiaring cone and radome fairing; Described mother's pipe is pipe, one end that airscoop shroud is arranged on female pipe forms inlet channel, the other end that radome fairing is arranged on female pipe forms foam output channel, first support installing to be managed in the endoporus near airscoop shroud one end mother and is connected with female inside pipe wall, and the second support installing to be managed in the endoporus of radome fairing one end mother and is connected with female inside pipe wall; Described fiaring cone is cone, and install on the secondary support bracket, mounting means is: the center line of fiaring cone overlaps with the center line of the second support, the vertex of a cone of fiaring cone is towards radome fairing direction; The centre of described first carriage center position and fiaring cone is separately installed with the bearing with spindle combinations, and one end of main shaft is combined with the bearing being arranged on the first carriage center position, and the other end of main shaft combines with the bearing being arranged on fiaring cone centre; Described separation cover is the assembly of truncated cone cylindrical shell and circular ring plate, the anchor ring of circular ring plate is provided with multiple spray hole, and circular ring plate is installed around truncated cone cylindrical shell small end end, and its anchor ring is perpendicular to the center line of truncated cone cylindrical shell; Separate cover and be arranged on female pipe in the endoporus of airscoop shroud one end and after being positioned at the first support, the large end of truncated cone cylindrical shell separating cover towards airscoop shroud direction and the inwall of the large end end outer wall of truncated cone cylindrical shell and female pipe be connected, the inwall of the circular ring plate lateral surface and female pipe of separating cover is connected, the truncated cone cylinder bore separating cover is air storage chamber, truncated cone cylinder body outer wall, the anchor ring of circular ring plate and the inwall of female pipe of separating cover surround fluid reservoir, and the female tube wall surrounding fluid reservoir offers inlet; Described impeller sets is made up of the impeller of at least three different-diameters, and each impeller to be arranged on respectively on main shaft and to be positioned at air storage chamber; Described guider is the assembly of cone and the frustum of a cone, the large end of the frustum of a cone with connect at the bottom of the cone of cone and the diameter of the large end of the frustum of a cone and cone to bore the diameter at the end identical, guider to be arranged on main shaft and between separation cover circular ring plate and fiaring cone, the cone vertex of a cone of guider is towards separation cover circular ring plate direction, described turbine group is made up of at least two turbines, each turbine is arranged on the frustum of a cone of guider respectively, and the space of separating between the circular ring plate anchor ring of cover and the large end of the frustum of a cone of guider is gas-liquid mixed room.
Natural inflow formula foam maker of the present invention, its length separating the truncated cone cylindrical shell of cover is preferably female length of tube
the large end external diameter of truncated cone cylindrical shell separating cover is identical with the internal diameter of female pipe, small end external diameter is preferably large external diameter of holding
Natural inflow formula foam maker of the present invention, its first support, the second support are by supporting mass and be uniformly distributed around supporting mass and form with at least three connecting rods that supporting mass is connected, and the connecting rod of the second support is preferably to the streamline structure deviating from the contraction of supporting mass direction.
Natural inflow formula foam maker of the present invention, its ratio separating the spray hole gross area and the anchor ring area that the circular ring plate anchor ring of cover is arranged is 0.25 ~ 0.33.The quantity of fluid hole is 4 ~ 6, is separated by and is angularly uniformly distributed on anchor ring.
Natural inflow formula foam maker of the present invention, its airscoop shroud one end is mated with female pipe, and the other end is air intake, and its shape is the streamline structure shunk to air intake direction; Radome fairing one end is mated with female pipe, and the other end is foam outlet, and its shape is the streamline structure shunk to foam outlet direction.
The operation principle of natural inflow formula foam maker of the present invention: the expanding foam solution with certain pressure enters fluid reservoir by the upper inlet arranged of female pipe, the fluid hole high velocity jet arranged from the circular ring plate anchor ring separating cover again enters gas-liquid mixed room, natural air is through airscoop shroud, air storage chamber enters gas-liquid mixed room, in gas-liquid mixed room, high speed expanding foam solution mixes with air and carries out one step foaming, high speed foam shock after one step foaming is positioned at the turbo blade after gas-liquid mixed room, thus drive turbo blade High Rotation Speed to carry out stirring formation second time of foaming to foam solution, foam solution after second time of foaming sprays through the outlet of radome fairing, the High Rotation Speed of turbo blade then drives main shaft and is arranged on the impeller sets High Rotation Speed on main shaft, air is sucked air storage chamber in a large number and after supercharging, sends into gas-liquid mixed room.
Compared with prior art, the present invention has following beneficial effect:
1, natural inflow formula foam maker of the present invention can make high speed expanding foam solution and air mix in gas-liquid mixed room to carry out one step foaming, stirring again by being positioned at the turbo blade after gas-liquid mixed room realizes second time of foaming, thus gas-liquid mixed is even, can ensure to foam completely.
2, the high speed foam after one step foaming is utilized to make turbo blade High Rotation Speed, thus drive main shaft and impeller sets High Rotation Speed, not only air can be sucked air storage chamber in a large number and after supercharging, send into the air needs that gas-liquid mixed room meets one step foaming, make one step foaming better effects if, and can economize energy, do not increase supporting gas boosting equipment.
3, the structure of guider, is conducive to the effect improving one step foaming, second time of foaming.
4, airscoop shroud is the streamline structure shunk to air intake direction, and air can be avoided around it to form vortex, and extraneous air can enter air storage chamber by airscoop shroud to greatest extent.
5, fiaring cone and the second support shape and structure, can make the foam after second time of foaming reduce energy loss, coordinate, can improve the fire-fighting fire extinguishing effect of foam with the radome fairing of the streamline structure shunk to foam outlet direction.
6, natural inflow formula foam maker compact conformation of the present invention, be easy to carry, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of natural inflow formula foam maker of the present invention;
Fig. 2 is the structural representation separating cover in natural inflow formula foam maker of the present invention;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the structural representation of the first support and the combination figure with female pipe;
Fig. 5 is the structural representation of the second support and the combination figure with female pipe;
In figure, 1 female pipe, 2 airscoop shrouds, 3 air storage chambers, 4 inlets, 5 separate cover, 5-1 truncated cone cylindrical shell, 5-2 circular ring plate, 5-3 spray hole, 6 first supports, 6-1 supporting mass, 6-2 connecting rod, the second support 7,7-1 supporting mass, 7-2 connecting rod, 8 impeller sets, 9 turbine groups, 10 fluid reservoirs, 11 gas-liquid mixed rooms, 12 main shafts, 13 guiders, 14 fiaring cones, radome fairing 15.
Detailed description of the invention
Natural inflow formula foam maker of the present invention is described in further detail by embodiment below in conjunction with accompanying drawing.
In the present embodiment, the structure of natural inflow formula foam maker as shown in Figure 1, is made up of female pipe 1, airscoop shroud 2, separation cover 5, first support 6, second support 7, impeller sets 8, turbine group 9, main shaft 12, guider 13, fiaring cone 14 and radome fairing 15.
As shown in Figure 1, described female pipe 1 is pipe, described airscoop shroud 2 one end is mated with female pipe, the other end is air intake, its shape is the streamline structure shunk to air intake direction, described radome fairing 15 one end is mated with female pipe, and the other end is foam outlet, and its shape is the streamline structure shunk to foam outlet direction; One end that airscoop shroud 2 is arranged on female pipe forms inlet channel, and the other end that radome fairing 15 is arranged on female pipe forms foam output channel.
As shown in Figure 4, first support 6 is by supporting mass 6-1 and be uniformly distributed around supporting mass and form with three connecting rod 6-2 that supporting mass is connected, angle between adjacent connecting rod 6-2 is 120o, as shown in Figure 5, second support 7 is by supporting mass 7-1 and be uniformly distributed around supporting mass and form with four connecting rod 7-2 that supporting mass is connected, angle between adjacent connecting rod 7-2 is 90o, and each connecting rod is the streamline structure to deviating from the contraction of supporting mass direction; As shown in Figure 1, the first support 6 be arranged on female pipe in the endoporus of airscoop shroud one end and each connecting rod and female inside pipe wall be connected, the second support 7 is arranged in the endoporus of the close radome fairing one end of female pipe and each connecting rod and female inside pipe wall are connected.
As shown in Figure 1, described fiaring cone 14 is cone, and be arranged on the supporting mass 7-1 of the second support, mounting means is: the center line of fiaring cone overlaps with the center line of the second support, the vertex of a cone of fiaring cone is towards radome fairing direction; The described supporting mass 6-1 centre of the first support 6 and the centre of fiaring cone 14 are separately installed with the bearing combined with main shaft 12, one end of main shaft 12 is combined with the bearing being arranged on the first support supporting mass centre, and the other end of main shaft 12 combines with the bearing being arranged on fiaring cone 14 centre.
As shown in Figure 2 and Figure 3, described separation cover 5 is the assembly of truncated cone cylindrical shell 5-1 and circular ring plate 5-2, and circular ring plate 5-2 installs around truncated cone cylindrical shell small end end, and its anchor ring is perpendicular to the center line of truncated cone cylindrical shell; The anchor ring of circular ring plate is provided with four and is uniformly distributed the identical spray hole 5-3 in aperture, the angle between adjacent spray hole is 90o, and the gross area of four spray holes and the ratio of anchor ring area can be selected between 0.25 ~ 0.33; The length separating the truncated cone cylindrical shell of cover 5 can early female length of tube
between select, the large end external diameter of truncated cone cylindrical shell separating cover 5 is identical with the internal diameter of female pipe, small end external diameter can at large external diameter of holding
between select.As shown in Figure 1, separate cover 5 and be arranged on female pipe in the endoporus of airscoop shroud one end and after being positioned at the first support 6, the large end of truncated cone cylindrical shell 5-1 separating cover towards airscoop shroud 2 direction and the inwall of the large end end outer wall of truncated cone cylindrical shell and female pipe be connected, the inwall of the circular ring plate 5-2 lateral surface and female pipe of separating cover is connected, the truncated cone cylinder bore separating cover is air storage chamber 3, truncated cone cylinder body outer wall, the anchor ring of circular ring plate and the inwall of female pipe of separating cover surround fluid reservoir 10, and the female tube wall surrounding fluid reservoir offers inlet 4.
As shown in Figure 1, described impeller sets 8 is made up of the impeller of four different-diameters, and each impeller to be arranged on respectively on main shaft and to be positioned at air storage chamber 3; Described guider 13 is the assembly of cone and the frustum of a cone, the large end of the frustum of a cone with connect at the bottom of the cone of cone and the diameter of the large end of the frustum of a cone and cone to bore the diameter at the end identical, the diameter of frustum of a cone small end is identical with the cone bottom diameter of fiaring cone 14; Guider 13 is arranged on main shaft and between the circular ring plate 5-2 separating cover and fiaring cone 14, the cone vertex of a cone of guider is towards the circular ring plate direction of separating cover; Described turbine group 9 is made up of two turbines, and each turbine is arranged on the frustum of a cone of guider 13 respectively, and the space of separating between the circular ring plate anchor ring of cover and the large end of the frustum of a cone of guider is gas-liquid mixed room 11.
The invention is not restricted to above-described embodiment, the foam maker of the different concrete structure of the scope Design and manufacture that can limit according to claims.
Claims (9)
1. a natural inflow formula foam maker, comprise female pipe (1), characterized by further comprising airscoop shroud (2), separate cover (5), the first support (6), the second support (7), impeller sets (8), turbine group (9), main shaft (12), guider (13), fiaring cone (14) and radome fairing (15);
Described mother's pipe (1) is pipe, one end that airscoop shroud (2) is arranged on female pipe forms inlet channel, the other end that radome fairing (15) is arranged on female pipe forms foam output channel, first support (6) is arranged on female pipe in the endoporus of airscoop shroud one end and is connected with female inside pipe wall, and the second support (7) is arranged on female pipe in the endoporus of radome fairing one end and is connected with female inside pipe wall;
Described fiaring cone (14) is cone, and install on the secondary support bracket, mounting means is: the center line of fiaring cone overlaps with the center line of the second support, the vertex of a cone of fiaring cone is towards radome fairing direction; The centre of described first support (6) centre and fiaring cone (14) is separately installed with the bearing combined with main shaft (12), one end of main shaft (12) is combined with the bearing being arranged on the first support (6) centre, and the other end of main shaft (12) combines with the bearing being arranged on fiaring cone (14) centre;
Described cover (5) of separating is for truncated cone cylindrical shell (5-1) and the assembly of circular ring plate (5-2), the anchor ring of circular ring plate is provided with multiple spray hole (5-3), circular ring plate is installed around truncated cone cylindrical shell small end end, and its anchor ring is perpendicular to the center line of truncated cone cylindrical shell; Separate cover and be arranged on female pipe in the endoporus of airscoop shroud one end and after being positioned at the first support, the large end of truncated cone cylindrical shell separating cover towards airscoop shroud direction and the inwall of the large end end outer wall of truncated cone cylindrical shell and female pipe be connected, the inwall of the circular ring plate lateral surface and female pipe of separating cover is connected, the truncated cone cylinder bore separating cover is air storage chamber (3), truncated cone cylinder body outer wall, the anchor ring of circular ring plate and the inwall of female pipe of separating cover surround fluid reservoir (10), and the female tube wall surrounding fluid reservoir offers inlet (4);
Described impeller sets (8) is made up of the impeller of at least three different-diameters, and each impeller to be arranged on respectively on main shaft and to be positioned at air storage chamber;
The assembly that described guider (13) is cone and the frustum of a cone, the large end of the frustum of a cone with connect at the bottom of the cone of cone and the diameter of the large end of the frustum of a cone and cone to bore the diameter at the end identical, guider (13) to be arranged on main shaft and between separation cover circular ring plate and fiaring cone, the cone vertex of a cone of guider is towards separation cover circular ring plate direction, described turbine group (9) is made up of at least two turbines, each turbine is arranged on the frustum of a cone of guider (13) respectively, the space of separating between the circular ring plate anchor ring of cover and the large end of the frustum of a cone of guider is gas-liquid mixed room (11).
2. natural inflow formula foam maker according to claim 1, is characterized in that the length of the truncated cone cylindrical shell separating cover (5) is female length of tube
the large end external diameter of the truncated cone cylindrical shell of separation cover (5) is identical with the internal diameter of female pipe, small end external diameter is hold greatly external diameter
3. natural inflow formula foam maker according to claim 1 or 2, it is characterized in that the first support (6), the second support (7) are by supporting mass be uniformly distributed around supporting mass and form with at least three connecting rods that supporting mass is connected, the connecting rod of the second support is the streamline structure to deviating from supporting mass direction and shrinking.
4. natural inflow formula foam maker according to claim 1 or 2, is characterized in that the ratio separating the spray hole gross area and the anchor ring area that the circular ring plate anchor ring of cover (5) is arranged is 0.25 ~ 0.33.
5. natural inflow formula foam maker according to claim 3, is characterized in that the ratio separating the spray hole gross area and the anchor ring area that the circular ring plate anchor ring of cover (5) is arranged is 0.25 ~ 0.33.
6. natural inflow formula foam maker according to claim 1 or 2, it is characterized in that airscoop shroud (2) one end is mated with female pipe, the other end is air intake, and its shape is the streamline structure shunk to air intake direction; Radome fairing (15) one end is mated with female pipe, and the other end is foam outlet, and its shape is the streamline structure shunk to foam outlet direction.
7. natural inflow formula foam maker according to claim 3, it is characterized in that airscoop shroud (2) one end is mated with female pipe, the other end is air intake, and its shape is the streamline structure shunk to air intake direction; Radome fairing (15) one end is mated with female pipe, and the other end is foam outlet, and its shape is the streamline structure shunk to foam outlet direction.
8. natural inflow formula foam maker according to claim 4, it is characterized in that airscoop shroud (2) one end is mated with female pipe, the other end is air intake, and its shape is the streamline structure shunk to air intake direction; Radome fairing (15) one end is mated with female pipe, and the other end is foam outlet, and its shape is the streamline structure shunk to foam outlet direction.
9. natural inflow formula foam maker according to claim 5, it is characterized in that airscoop shroud (2) is the streamline structure shunk to air intake direction, radome fairing (15) be the streamline structure to the contraction of 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 true CN104958851A (en) | 2015-10-07 |
| CN104958851B CN104958851B (en) | 2018-03-06 |
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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 |
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| CN (1) | CN104958851B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112547336A (en) * | 2020-11-26 | 2021-03-26 | 中国民用航空飞行学院 | Fine water mist generation device based on high-speed air jet atomization |
| 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 |
| CN113155208A (en) * | 2021-05-25 | 2021-07-23 | 中国航发四川燃气涡轮研究院 | Gas flow detection device suitable for turbine blade |
| RU206580U1 (en) * | 2021-03-29 | 2021-09-16 | Владислав Тимурович Крылов | FOAM GENERATOR |
| CN115337568A (en) * | 2022-07-28 | 2022-11-15 | 山东鲁烟莱州印务有限公司 | Grouping type automatic fire extinguishing device of gravure printing machine |
Citations (4)
| 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 |
| 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 |
-
2015
- 2015-06-05 CN CN201510307177.0A patent/CN104958851B/en not_active Expired - Fee Related
Patent Citations (4)
| 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 |
| 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 |
Cited By (6)
| 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 |
| CN112547336A (en) * | 2020-11-26 | 2021-03-26 | 中国民用航空飞行学院 | Fine water mist generation device based on high-speed air jet atomization |
| 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 |
| CN113155208A (en) * | 2021-05-25 | 2021-07-23 | 中国航发四川燃气涡轮研究院 | Gas flow detection device suitable for turbine blade |
| CN115337568A (en) * | 2022-07-28 | 2022-11-15 | 山东鲁烟莱州印务有限公司 | Grouping type automatic fire extinguishing device of gravure printing machine |
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| Publication number | Publication date |
|---|---|
| CN104958851B (en) | 2018-03-06 |
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Granted publication date: 20180306 Termination date: 20180605 |