CN111420327A - Fire extinguishing system for outdoor transformer substation - Google Patents
Fire extinguishing system for outdoor transformer substation Download PDFInfo
- Publication number
- CN111420327A CN111420327A CN202010253647.0A CN202010253647A CN111420327A CN 111420327 A CN111420327 A CN 111420327A CN 202010253647 A CN202010253647 A CN 202010253647A CN 111420327 A CN111420327 A CN 111420327A
- Authority
- CN
- China
- Prior art keywords
- inlet
- pipeline
- mixing device
- fire extinguishing
- spray
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- 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.)
- Pending
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/05—Nozzles specially adapted for fire-extinguishing with two or more outlets
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/12—Nozzles specially adapted for fire-extinguishing for delivering foam or atomised foam
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
- A62C31/24—Nozzles specially adapted for fire-extinguishing attached to ladders, poles, towers, or other structures with or without rotary heads
Abstract
The invention discloses a fire extinguishing system for an outdoor transformer substation, which comprises a water storage tank, a pipeline, a fire pump, a foam liquid storage tank, a foam liquid pump, a proportional mixing device and spray fog guns, wherein an inlet of the pipeline is connected with the water storage tank, the fire pump, the proportional mixing device and at least two spray fog guns are sequentially arranged from the inlet of the pipeline to the outlet of the pipeline, the proportional mixing device is provided with a first inlet, a second inlet and an outlet, the first inlet and the outlet are communicated with the pipeline, the outlet of the foam liquid storage tank is connected with the second inlet of the proportional mixing device through the foam liquid pump, support columns are respectively arranged at diagonal positions of the periphery of a transformer in the outdoor transformer substation, each spray fog gun is arranged at the top end of each support column, the two diagonal fog guns can completely envelop the transformer, and the arrangement mode greatly improves the wind resistance of the outdoor four-corner transformer fire extinguishing device, can well meet the fire-fighting requirements of all weather and high reliability.
Description
Technical Field
The invention relates to a fire extinguishing system, in particular to a fire extinguishing system for an outdoor transformer substation.
Background
At present, the fire extinguishing device for the outdoor transformer substation mainly has the modes of water spray, foam spray, jet fan fog gun and the like, and a plurality of pipe networks and spray heads are arranged around the transformer through the water spray and the foam spray, so that the construction is complex, and the simplicity and the attractiveness of the periphery of the transformer and the follow-up maintenance are influenced. The jet fan fog gun has high equipment cost, and the oxygen is continuously supplied to the periphery of a fire source while water mist or foam mist is sprayed to cover the transformer, so that the fire extinguishing effect has risks.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a fire extinguishing system which is simple in pipeline arrangement, strong in wind resistance and capable of reliably protecting outdoor transformer substations in all weather.
The technical scheme is as follows: the invention relates to a fire extinguishing system for an outdoor transformer substation, which comprises a water storage tank, a pipeline, a fire pump, a foam liquid storage tank, a foam liquid pump, a proportional mixing device and spray mist guns, wherein an inlet of the pipeline is connected with the water storage tank, the fire pump, the proportional mixing device and at least two spray mist guns are sequentially arranged from the inlet of the pipeline to the outlet of the pipeline, the proportional mixing device is provided with a first inlet, a second inlet and an outlet, the first inlet and the outlet are communicated with the pipeline, the outlet of the foam liquid storage tank is connected with the second inlet of the proportional mixing device through the foam liquid pump, support pillars are respectively arranged at diagonal positions of the periphery of a transformer in the outdoor transformer substation, each spray mist gun is arranged at the top end of each support pillar, and a spray orifice of each spray mist gun is horizontally deviated along the diagonal direction of the periphery of the transformer and allows adjustment according to the area of the transformer and the height of, meeting the fire extinguishing requirement.
Furthermore, the number of the spray fog guns is four, support columns are arranged at four corners of the transformer in the outdoor transformer substation respectively, one spray fog gun is mounted at the top end of each support column, every two diagonal spray guns can completely envelop the transformer, the fire extinguishing effect is good, the pipeline arrangement is simple, the four spray guns are arranged on the periphery of four corners of the transformer, the wind resistance is good, and the transformer is reliably protected in all weather.
Further, add on the pipeline behind the proportional mixing device and establish gas-liquid mixing device, gas-liquid mixing device connects air compressor, and air compressor passes through pipeline input gas-liquid mixing device and foam mixed liquid with a certain amount of compressed air according to the expansion and mixes, generates the compressed air foam, puts out a fire through spraying the fog rifle and spouts, and compressed air foam system controllability is strong, can adjust the wet degree futilely of foam, multiplicable air supply during initial conflagration, adopt the foam of higher expansion to put out a fire, when the conflagration can not put out a fire, reduce the compressed air volume, adopt the foam of lower expansion to put out a fire.
Furthermore, the spray gun comprises a connecting port, an adjusting wheel, an outer cylinder, a middle adjustable cylinder and a central conical rod, the left and right ports of the regulating wheel are respectively provided with an annular groove, the connecting port is connected with the clamping groove of the left port of the regulating wheel, the outer cylinder body is connected with a clamping groove at the right end opening of the adjusting wheel, the central position of the adjusting wheel and the central cone rod are fixed and synchronously rotate, the middle adjustable barrel is arranged between the outer barrel and the central taper rod, the adjusting wheel is also provided with a thread structure which can synchronously adjust the middle adjustable barrel, the right end of the central conical rod is provided with a conical body, the right ends of the outer cylinder body and the middle adjustable cylinder body are respectively provided with a conical jet orifice, the conical jet orifices are formed by the conical body, the conical jet orifices and the middle adjustable cylinder body, the spraying flow, the conical angle and the fog state of the inner cone and the outer cone can be adjusted simultaneously by rotating the adjusting wheel, the coverage area is large, the fog amount is large, and the fire is quickly extinguished by means of comprehensive action of water.
Further, the thread mechanism is a straight sleeve with threads on the outer surface, and threads matched with the threads of the straight sleeve are arranged on the inner wall of the left end of the middle adjustable barrel; the middle adjustable barrel body can adjust the left length and the right length through matched threads, so that the spraying state of the water outlet is controlled, the structure is simple, and the processing and the use are convenient.
The length of the conical injection opening of the outer cylinder is greater than that of the conical body of the center taper rod, the length difference between the conical injection opening and the conical body of the center taper rod is not smaller than the adjustable length of the thread structure, the diameter of the port of the conical injection opening of the middle adjustable cylinder is between the diameter of the port of the conical injection opening of the outer cylinder and the diameter of the port of the conical body of the center taper rod, the spraying directions of water mist and foam can be conveniently controlled, and the utilization rate is high.
Further, the adjusting wheel is adjusted manually or electrically.
Has the advantages that: according to the fire extinguishing system, the fog guns are respectively arranged on the peripheries of the four corners of the transformer, the two fog guns at the opposite corners can completely envelop the transformer, the wind resistance of the outdoor transformer fire extinguishing device is greatly improved in the arrangement mode of the four corners, and all-weather and high-reliability fire fighting requirements can be well met. In addition, the form of the spray gun is adopted, the advantages of water mist and foam are integrated, the spraying mode of the foam spray gun is large in foam mist coverage, a good fire extinguishing effect is achieved by using less water, a plurality of pipelines and spray heads around the transformer are omitted, the manufacturing cost is equivalent to that of water mist and foam mist, and the manufacturing cost is far lower than that of a jet fan fog gun.
Drawings
FIG. 1 is a schematic view of a fire suppression system for an outdoor substation of the present invention;
fig. 2 is a schematic view of the internal structure of the spray gun.
Detailed Description
For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings 1-2.
The fire extinguishing system for the outdoor transformer substation in this embodiment, as shown in fig. 1, includes a water storage tank 1, a pipeline 2, a fire pump 3, a foam liquid storage tank 14, a foam liquid pump, a proportional mixing device 4, and a spray gun 6, where an inlet of the pipeline is connected to the water storage tank, the fire pump, the proportional mixing device, and the four spray guns are sequentially arranged from the inlet of the pipeline to an outlet of the pipeline, the proportional mixing device is provided with a first inlet, a second inlet, and an outlet, the first inlet and the outlet are communicated with the pipeline, an outlet of the foam liquid storage tank is connected to the second inlet of the proportional mixing device through the foam liquid pump, the spray gun (as shown in fig. 2) includes a connection port 13, an adjustment wheel 8, an outer cylinder 9, a middle adjustable cylinder 10, and a central taper rod 11, two ports on the left and right of the adjustment wheel are respectively provided with an annular groove, and the connection port is connected, outer barrel is connected with regulating wheel right-hand member mouth draw-in groove, and the regulating wheel can take place relative rotation with outer barrel, the central point of regulating wheel put with the fixed synchronous rotation of center pole, the central point of regulating wheel puts and the even distribution has a plurality of support columns between the outer peripheral face, the welding has helicitic texture 12 on the support column of regulating wheel, and screw thread mechanism establishes the straight sleeve of screwed for the surface, and middle adjustable barrel left end inner wall is equipped with the screw thread with straight sleeve screw thread adaptation, the right-hand member of center pole is the cone, the right-hand member of outer barrel and middle adjustable barrel is the toper jet respectively. The length of the cone jet opening of the outer cylinder is greater than that of the cone of the center taper rod, the length difference between the two lengths is not less than the adjustable length of the thread structure, and the cone jet opening port of the middle adjustable cylinder is between the cone jet opening port of the outer cylinder and the cone port of the center taper rod. The three components form two conical spray ports, the spray flow, the cone angle and the fog state of the inner cone and the outer cone can be adjusted simultaneously by rotating a hand wheel, the coverage area is large, the fog amount is large, and the fire is quickly extinguished by the comprehensive action of water fog and foam. Support columns are respectively arranged at four corner positions of a transformer 7 in the outdoor transformer substation, a spray mist gun is installed at the top end of each support column, and an outlet of each spray mist gun is horizontally inclined downwards along the diagonal line direction of the periphery of the transformer, so that adjustment is allowed according to the area of the transformer and the height of each support column.
The spray gun can be arranged on an automatic tracking and positioning spray device, and the automatic tracking spray device can be fixed at the top end of a support column or on a wall. When the fire disaster is started, the fire is accurately positioned and concentrated on the ignition point for spraying and extinguishing, and when the fire disaster range is expanded, the spraying form of the gun head is adjusted to spray at a large cone angle, so that the foam coverage range is expanded. The fire extinguishing device can also be used for indoor transformers, and two spray guns or automatic tracking and positioning spray devices are diagonally arranged.
Claims (7)
1. A fire extinguishing system for an outdoor transformer substation is characterized by comprising a water storage tank (1), a pipeline (2), a fire pump (3), a foam liquid storage tank (14), a foam liquid pump, a proportional mixing device (4) and a spray gun (6), the pipeline inlet is connected with the water storage tank, a fire pump, a proportional mixing device and at least two spray guns are sequentially arranged from the pipeline inlet to the pipeline outlet, the proportional mixing device is provided with a first inlet, a second inlet and an outlet, the first inlet and the outlet are communicated with the pipeline, an outlet of the foam liquid storage tank is connected with a second inlet of the proportional mixing device through a foam liquid pump, support columns (5) are respectively arranged at the diagonal positions of the periphery of a transformer (7) in the outdoor substation, each spray gun is arranged at the top end of each support column, and the spray opening of the spray gun is horizontally inclined downwards along the diagonal connection direction of the periphery of the transformer (7).
2. The fire extinguishing system for the outdoor substation according to claim 1, wherein the number of the spray mist guns is four, support columns are respectively arranged at four corner positions of the periphery of the transformer in the outdoor substation, and one spray mist gun is mounted at the top end of each support column.
3. The fire extinguishing system for the outdoor substation according to claim 1, wherein a gas-liquid mixing device is additionally arranged on a rear pipeline of the proportional mixing device, and the gas-liquid mixing device is connected with an air compressor.
4. The fire extinguishing system for the outdoor substation according to claim 1, wherein the spray mist gun comprises a connection port (13), an adjusting wheel (8), an outer cylinder (9), a middle adjustable cylinder (10) and a central taper rod (11), the left and right ports of the adjusting wheel are respectively provided with an annular groove, the connection port is connected with a clamping groove of the left port of the adjusting wheel, the outer cylinder is connected with a clamping groove of the right port of the adjusting wheel, the central position of the adjusting wheel and the central taper rod are fixed and synchronously rotated, the middle adjustable cylinder is arranged between the outer cylinder and the central taper rod, the adjusting wheel is further provided with a thread structure (12) capable of synchronously adjusting the middle adjustable cylinder, the right end of the central taper rod is provided with a conical body, and the right ends of the outer cylinder and the middle adjustable cylinder are respectively provided with a conical spray opening.
5. The fire extinguishing system for the outdoor substation according to claim 4, wherein the screw mechanism is a straight sleeve with threads on the outer surface, and the inner wall of the left end of the middle adjustable barrel is provided with threads matched with the threads of the straight sleeve.
6. The fire extinguishing system for the outdoor substation of claim 4, wherein the cone jet opening length of the outer cylinder is greater than the cone length of the center pole by a length not less than the adjustable length of the threaded structure, and the cone jet opening port diameter of the intermediate adjustable cylinder is between the cone jet opening port diameter of the outer cylinder and the cone port diameter of the center pole.
7. Fire extinguishing system for outdoor substations according to claim 4, characterized in that the regulating wheel is regulated manually or electrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253647.0A CN111420327A (en) | 2020-04-02 | 2020-04-02 | Fire extinguishing system for outdoor transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010253647.0A CN111420327A (en) | 2020-04-02 | 2020-04-02 | Fire extinguishing system for outdoor transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111420327A true CN111420327A (en) | 2020-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010253647.0A Pending CN111420327A (en) | 2020-04-02 | 2020-04-02 | Fire extinguishing system for outdoor transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111420327A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2075037A1 (en) * | 2007-12-27 | 2009-07-01 | Union Fenosa Distribucion, S.A. | Integral fire safety system in high-voltage substations |
| CN204710605U (en) * | 2015-05-27 | 2015-10-21 | 上海守望者喷雾智能系统有限公司 | A kind of steam spray nozzle |
| CN110279961A (en) * | 2019-06-17 | 2019-09-27 | 合肥巨澜安全技术有限责任公司 | A kind of substation's fire extinguishing system based on compressed air foam technology |
| CN110548238A (en) * | 2019-08-14 | 2019-12-10 | 国网江苏省电力有限公司 | Fire extinguishing system and method adopting foam spray fire extinguishing and water spray continuous cooling |
-
2020
- 2020-04-02 CN CN202010253647.0A patent/CN111420327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2075037A1 (en) * | 2007-12-27 | 2009-07-01 | Union Fenosa Distribucion, S.A. | Integral fire safety system in high-voltage substations |
| CN204710605U (en) * | 2015-05-27 | 2015-10-21 | 上海守望者喷雾智能系统有限公司 | A kind of steam spray nozzle |
| CN110279961A (en) * | 2019-06-17 | 2019-09-27 | 合肥巨澜安全技术有限责任公司 | A kind of substation's fire extinguishing system based on compressed air foam technology |
| CN110548238A (en) * | 2019-08-14 | 2019-12-10 | 国网江苏省电力有限公司 | Fire extinguishing system and method adopting foam spray fire extinguishing and water spray continuous cooling |
Non-Patent Citations (2)
| Title |
|---|
| 张英华 等: "《防灭火系统设计》", 30 June 2019, 冶金工业出版社 * |
| 杨在塘: "《电气防火工程》", 30 April 1997, 中国建筑工业出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200717 |