CN211050773U - Medium-high multiple foam generating device - Google Patents
Medium-high multiple foam generating device Download PDFInfo
- Publication number
- CN211050773U CN211050773U CN201921575964.3U CN201921575964U CN211050773U CN 211050773 U CN211050773 U CN 211050773U CN 201921575964 U CN201921575964 U CN 201921575964U CN 211050773 U CN211050773 U CN 211050773U
- Authority
- CN
- China
- Prior art keywords
- air
- centrifugal fan
- pipe
- generator
- air pipe
- 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.)
- Active
Links
Images
Abstract
A medium and high multiple foam generating device comprises a centrifugal fan and a generator shell with a supporting plate, wherein an air pipe is arranged in the generator shell and consists of a straight pipe section and a reducing section, the reducing section of the air pipe is connected with the centrifugal fan through an air pipe in a flexible connection mode, an electric air valve is arranged at the position, close to an air inlet of the centrifugal fan, of the connection position, an air distribution grid for uniform air flow is arranged inside the reducing section of the air pipe, away from the air inlet side, and consists of a plurality of layers of partition plates in the horizontal direction and the vertical direction, and the grids are consistent in size; the foam generator has the advantages of small volume, high foaming efficiency, long-distance foam delivery and better fire extinguishing capability, so that the medium and high multiple foam generator can be applied to more places, and good social value and economic benefit are created.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field especially relates to a foam generator that well, high multiple foam fire extinguishing systems used.
Background
The medium and high multiple foam fire extinguishing technology is a mature fire extinguishing technology, is suitable for fighting class A and class B fires, limited closed space fires, and controlling drooling fires of liquefied petroleum gas and liquefied natural gas and the like. The blowing type foam generator in the prior medium and high multiple foam fire extinguishing device mostly adopts a pore plate or a cotton wire net as a foaming net, has larger volume and inconvenient installation, and the foam can not be conveyed in a long distance, so that the medium and high multiple foam fire extinguishing device needs to be placed in a fire prevention area or in a short distance, and is very inconvenient to use. Consequently the utility model discloses an innovation of mode and structure of supplying gas, research and development a simple structure, account for the space little, the efficient and well multiple foam generator that the foam can long distance transport of foaming do benefit to the popularization and application of well multiple foam fire extinguishing technology.
Disclosure of Invention
The utility model aims at providing a simple structure, small accounts for the space little, and the well multiple foam generator that the foaming is efficient.
In order to realize the purpose, the utility model discloses a technical scheme is: a medium and high multiple foam generating device comprises a centrifugal fan and a generator shell with a supporting plate, wherein an air pipe is arranged in the generator shell and consists of a straight pipe section and a reducing section, the reducing section of the air pipe is connected with the centrifugal fan through an air pipe in a flexible connection mode, an electric air valve is arranged at the position, close to an air inlet of the centrifugal fan, of a connection position, an air distribution grid for uniform air flow is arranged inside the reducing section of the air pipe, away from the air inlet side, the air distribution grid consists of a plurality of layers of partition plates in the horizontal direction and the vertical direction, the size of the grids is consistent, a liquid inlet pipe penetrating through the generator shell and arranged in the generator shell is arranged at the lower portion of the straight pipe section of the air pipe, an electric water valve is arranged at one end of the liquid inlet pipe outside the generator shell, a spray nozzle is arranged at the end portion, arranged outside the generator shell, of the other end of, the straight pipe section of the air pipe is connected with the air guide cylinder through angle steel flanges on the upper side and the lower side, a foaming net is arranged at the front end of the air guide cylinder and is opposite to the spraying direction of the spray head, and a pressure gauge is arranged above an outlet of the generator shell.
Preferably, the method comprises the following steps: the foaming net is formed by weaving one layer or two layers of continuously bent metal wire nets, a distance is reserved between the two layers of metal wire nets, a fixing rod used for fixing the metal wire nets is arranged at the front ends of the bent metal wire nets, and the fixing rod is fixed in a generator shell.
Preferably, the method comprises the following steps: the driving of the centrifugal fan can be controlled by a motor, a diesel engine, a hydraulic motor or a water turbine.
Preferably, the method comprises the following steps: the electric water valve on the liquid inlet pipe, the electric air valve on the centrifugal fan and the pressure gauge above the outlet of the generator shell are respectively connected with the control unit, and the control unit is arranged in the electric cabinet.
Preferably, the method comprises the following steps: the electric cabinet and the centrifugal fan are both arranged on the base.
The foam generator has the advantages of small volume, high foaming efficiency, long-distance foam delivery and better fire extinguishing capability, so that the medium and high multiple foam generator can be applied to more places, and good social value and economic benefit are created.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
Referring now to the drawings, the technical contents of the present invention will be further described with reference to fig. 1, which shows a medium-high multiple foam generating device, comprising a centrifugal fan 14 and a generator housing 2 with a support plate 1, wherein an air duct 18 is arranged in the generator housing 2, the air duct 18 is composed of a straight duct section 8 and a reducing section 11, the reducing section 11 of the air duct 18 is connected with the centrifugal fan 14 through an air duct flexible connection 13, an electric air valve 15 is arranged at an air inlet of the centrifugal fan 14, an air distribution grid 12 for uniform air flow is arranged inside the reducing section 11 of the air duct 18 away from the air inlet, the air distribution grid 12 is composed of multiple layers of partitions in horizontal and vertical directions, and the size of the grids is consistent, a liquid inlet pipe 10 passing through the generator housing 2 and arranged in the generator housing 2 is arranged at the lower part of the straight duct section 8 of the air duct 18, an electric water valve 17 is arranged at one end of the liquid inlet pipe 19 outside the generator housing 2, the other end of the generator shell 2 is provided with a spray head 9 at the end part arranged outside and inside the generator shell 2, the spray head 9 is positioned on the axis of an air pipe 18, a straight pipe section 8 of the air pipe 18 is connected with an air guide cylinder 6 through angle steel flanges 7 at the upper side and the lower side, the front end of the air guide cylinder 6 is provided with a foaming net 4 and is opposite to the spraying direction of the spray head 9, and a pressure gauge 5 is arranged above the outlet of the generator shell 2; the foaming net 4 is formed by weaving one or two layers of continuously bent metal wire nets, a distance is reserved between the two layers of metal wire nets, a fixing rod 3 for fixing the metal wire nets is arranged at the front ends of the bent metal wire nets, and the fixing rod 3 is fixed in the generator shell 2; the driving of the centrifugal fan 14 can be controlled by a motor, a diesel engine or a water turbine; the electric water valve 17 on the liquid inlet pipe 10, the electric air valve 15 on the centrifugal fan 14 and the pressure gauge 5 above the outlet of the generator shell 2 are respectively connected with a control unit, and the control unit is arranged in an electric cabinet 16; the electric cabinet 16 and the centrifugal fan 14 are both arranged on the base 19.
The utility model discloses when having the condition of a fire, electronic water valve 17 is opened, and the mixed liquid of foam is squeezed into feed liquor pipe 10 to outside liquid supply pipeline area pressure, and centrifugal fan 14 starts simultaneously, and pressure gauge 5 measures foam generator exit atmospheric pressure and feeds back the parameter to the control unit, and the control unit is according to the electronic blast gate aperture of atmospheric pressure parameter control, and the foam is mixed the liquid and is spouted to foaming net 4 formation film through shower nozzle 9, and centrifugal fan 14 supplies gas and bloated a large amount of foam ejections of formation and put out a fire.
The number of the spray heads can be multiple, and each spray head can be correspondingly provided with an air duct and a foaming net. In the medium and high multiple foam fire extinguishing system, the centrifugal fan can adopt driving modes such as a motor, a hydraulic motor, a water turbine, a diesel engine and the like according to the field condition. If the hydraulic turbine is adopted for driving, the hydraulic turbine is driven by the foam mixed liquid with pressure, the centrifugal fan is started for air supply, the foam mixed liquid flowing out of the hydraulic turbine enters the spray head in the foam generator again for spraying, and a large amount of foam can be generated for fire extinguishing.
The foregoing detailed description is given by way of example only, and is provided to better enable one skilled in the art to understand the patent, and is not intended to limit the scope of the patent; any equivalent changes or modifications made according to the technical contents disclosed in the patent without departing from the technical characteristics of the patent are included in the scope of the patent.
Claims (5)
1. A medium and high multiple foam generating device comprises a centrifugal fan and a generator shell with a supporting plate, and is characterized in that an air pipe is arranged in the generator shell and consists of a straight pipe section and a reducing section, the reducing section of the air pipe is connected with the centrifugal fan through an air pipe in a flexible connection manner, an electric air valve is arranged at the position, close to an air inlet of the centrifugal fan, of a connection part, an air distribution grid for uniform air flow is arranged inside the reducing section of the air pipe away from the air inlet, the air distribution grid consists of a plurality of layers of partition plates in the horizontal direction and the vertical direction, the size of the grids is consistent, a liquid inlet pipe penetrating through the generator shell and arranged in the generator shell is arranged at the lower part of the straight pipe section of the air pipe, an electric water valve is arranged at one end of the liquid inlet pipe outside the generator shell, and a spray nozzle is arranged at the end part of the liquid inlet, the sprayer is located on the central axis of the air pipe, the straight pipe section of the air pipe is connected with the air guide cylinder through angle steel flanges on the upper side and the lower side, the front end of the air guide cylinder is provided with a foaming net and is opposite to the spraying direction of the sprayer, and a pressure gauge is arranged above an outlet of the generator shell.
2. The apparatus according to claim 1, wherein the foaming net comprises one or two layers of continuously bent wire nets woven with a distance therebetween, and a fixing rod for fixing the wire nets is provided at the front ends of the bent wire nets and fixed in the generator housing.
3. The apparatus for generating middle and high expansion foam according to claim 1, wherein the driving of the centrifugal fan is controlled by means of an electric motor, a diesel engine or a hydraulic turbine.
4. The device for generating middle and high expansion foam according to claim 1, wherein the electrically operated water valve on the liquid inlet pipe, the electrically operated air valve on the centrifugal fan and the pressure gauge above the outlet of the generator housing are respectively connected with a control unit, and the control unit is arranged in the electric cabinet.
5. The medium and high multiple foam generating device according to claim 4, wherein the electric cabinet and the centrifugal fan are both disposed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575964.3U CN211050773U (en) | 2019-09-22 | 2019-09-22 | Medium-high multiple foam generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575964.3U CN211050773U (en) | 2019-09-22 | 2019-09-22 | Medium-high multiple foam generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211050773U true CN211050773U (en) | 2020-07-21 |
Family
ID=71584754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921575964.3U Active CN211050773U (en) | 2019-09-22 | 2019-09-22 | Medium-high multiple foam generating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211050773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548239A (en) * | 2019-09-22 | 2019-12-10 | 杭州新纪元消防科技有限公司 | Medium-high multiple foam generating device |
-
2019
- 2019-09-22 CN CN201921575964.3U patent/CN211050773U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110548239A (en) * | 2019-09-22 | 2019-12-10 | 杭州新纪元消防科技有限公司 | Medium-high multiple foam generating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207822314U (en) | A kind of big flow foam-generating device and foam fire-fighting equipment | |
| CN202892721U (en) | Compressed air foam spraying fire-extinguishing device | |
| RU2443480C1 (en) | Spraying system, system to increase engine power output with spraying system, and method of air humidification | |
| US20230149753A1 (en) | Foam producing method, fire extinguishing method, and appliance for foam extinguishing | |
| CN202909347U (en) | Fixed type compressed-air foam fire extinguishing device | |
| US3750754A (en) | Foam fire extinguishing system | |
| CN211050773U (en) | Medium-high multiple foam generating device | |
| RU141353U1 (en) | HIGH VELOCITY POLYDISPERSION FOAM GENERATOR | |
| CN206604037U (en) | A kind of Water spray fire extinguishing system for warehouse | |
| CN201211403Y (en) | Forced foam generator | |
| CN104906732A (en) | Linkage type water mist fire extinguishing device | |
| CN211050774U (en) | Medium-high multiple foam generating device | |
| RU2404835C1 (en) | Polydispersity high expansion generator of vortex type | |
| CN110548239A (en) | Medium-high multiple foam generating device | |
| CN105126276A (en) | Foam generator with combined turbulence parts | |
| CN103100173A (en) | Fixed pipe network extinguishing system | |
| CN102049114A (en) | High-expansion foam generator | |
| CN202033351U (en) | Foam spray extinguishing test device | |
| CN114100043B (en) | Foam fire extinguishing system and foam fire extinguishing method | |
| CN108619635A (en) | Compressed-air foam intelligent fire device for outer floating roof crude oil storage tank | |
| CN105080004A (en) | Foam generation device | |
| RU178495U1 (en) | BUILT-IN FOAM RECEIVER | |
| CN202682617U (en) | High-rate foam generator | |
| CN2296218Y (en) | Foam generator capable of automatically regulating nozzle position | |
| CN201921367U (en) | High-power foam generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |