CN202850253U - Cooling system based on steel structure and with fireproof performance optimized - Google Patents
Cooling system based on steel structure and with fireproof performance optimized Download PDFInfo
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- CN202850253U CN202850253U CN 201220251858 CN201220251858U CN202850253U CN 202850253 U CN202850253 U CN 202850253U CN 201220251858 CN201220251858 CN 201220251858 CN 201220251858 U CN201220251858 U CN 201220251858U CN 202850253 U CN202850253 U CN 202850253U
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Abstract
The utility model relates to the field of a steel structure house fireproof technology and equipment and aims at providing a cooling system based on a steel structure and with fireproof performance optimized by adoption of characteristics of the steel structure and water. The cooling system comprises a steel pipe framework system, a circulating water system, a heat dissipation system and an intelligent control system, wherein the steel pipe framework system, the circulating water system, the heat dissipation system and the intelligent control system are connected. The water is injected into the steel structure, when fire breaks out, the water is utilized to absorb heat in high-temperature steel structure materials and air, temperature of part of the water which is heated rises, and the part of the water can be recycled and reused after being cooled. The other part of the water is evaporated and a large number of latent heat is taken away so that the steel structure is enabled to be cooled and low temperature is kept. The intelligent control system can confirm an area where the fire breaks out according to information feedback of a temperature monitor, implement effective spraying, prevent the fire from spreading, and strive for precious time for evacuation of staff. Under the condition of no fire, the water in the steel structure can have the function of adjusting indoor temperature.
Description
Technical field
The utility model relates to building fire protection technology and apparatus field, is specifically related to a kind of cooling system based on the steel structure fireproofing performance optimization.
Background technology
At present, the high-rise steel structure building increases increasingly, and especially some super highrise buildings adopt steel structure material more extensive.In case highrise building breaking out of fire accident, fire are inextinguishable at short notice, this just requires when architectural design; increasing is to the flameproof protection of constructional materials; strengthening its fire endurance, and work out necessary emergency plan at building interior, to reduce casualties and property loss.
From mechanics of materials angle analysis, steel are a kind of constructional materialss that can not burn, and it only just can lose supporting capacity gradually in 40 ℃ ~ 800 ℃ temperature, and when temperature during at 600 ℃, the intensity of steel drops to below 1/2 of intensity under the room temperature approximately; When temperature reaches 800 ℃, drop to approximately 1/10 of intensity under the room temperature, large deformation occurs in structure in the meantime, cause steel column, girder steel bending, when the intensity of a fire can not get effective control, steel column, girder steel can enter the thermal softening flexing stage, and partial structurtes may be caved in, and then cause integrally-built Progressive Collapse.
The general fire endurance that does not add the steel work of protection is about 15 minutes, and the length of this time is also relevant with the speed of member heat absorption simultaneously.And when structure suffers accidental fiery load action; the primary goal of structure design is protection people's life security; secondly the economic worth of equipment is often also expensive than structure itself in the building, how to reduce casualties and property loss, becomes the key breakthrough point of structure fire.
Make steel structure material overcome in actual applications the deficiency of fire prevention aspect, the processing of must preventing fires, its purpose is exactly the fire endurance of steel work to be brought up to the limit range of design specifications regulation.Prevent steel work rapidly intensification generation bending deformation even slump in fire, its measure is diversified, key is to take distinct methods according to different situations, as adopt thermal insulation, refractory material to intercept the direct calcination steel work of flame, reduce the speed postponement steel work temperature rise of heat transmission, the time of weakened etc.No matter take which kind of method, its objective is consistent.
In building structure design, because the factors such as the position of breaking out of fire, scale still can not sufficient estimate, traditional Fireproof Measures of Steel Structures can only carry out can not effectively bringing into play whole fireproof performances of structure in the opposing of the part of conflagration area.Simultaneously, impaired structural element can only be removed and renew behind the fire, and its expense of again keeping in repair design, construction is also considerable.
The utility model content
The purpose of this utility model is to utilize the characteristic of steel work and water, and a kind of cooling water fire prevention system based on the steel structure fireproofing performance optimization is provided.
In order to achieve the above object, the technical solution of the utility model is:
A kind of cooling system based on the steel structure fireproofing performance optimization, comprise interconnective steel framework system, reclaimed water system, cooling system and intelligence control system, wherein: described steel framework system is comprised of interconnective water cooling hollow steel tubing string, water cooling ridge directional brace, horizontal steel truss; Described reclaimed water system comprises water pipe, water tank, flap valve, circulating water pump, shutoff valve, control of water supply and drainage platform and the fire water supply that connects successively, is provided with cooling medium in the described reclaimed water system; Described cooling system comprises three way cock, cooling blower and the radiator that is connected with described water tank; Described intelligence control system comprises temperature monitoring and the fire-fighting spraying device that connects with microprocessing systems, and described temperature monitoring and fire-fighting spraying device are arranged in the described steel framework system.
Further, described cooling medium comprises cooling water, cooling fluid, anticorrisive agent and antifreezing agent.
Operating principle of the present utility model: the utility model in steel framework system, the reclaimed water system, cooling system, steam power system and intelligence control system combine.Play the supporting role of whole building in the steel framework system, injected water in the steel pipe in breaking out of fire, utilizes water to absorb the heat of high-temperature steel structural meterials and air, be heated rear temperature of part water raises, and can recycle in reclaimed water system after cooling; A large amount of latent heat is taken away in another part water vapor, steel work is cooled off and keep lower temperature, and it is recycling to enter the cooling system condensing reflux through pipeline; Simultaneously, this part steam can generate electricity by steam power system, for building provides interim emergency power when fire cuts off the power supply.Intelligence control system can be determined the zone that fire occurs according to the information feedback of temperature monitoring, implements effectively spray, can prevent spreading of the intensity of a fire, for withdrawing of personnel striven for the quality time.In situation about occuring without fire, the water in the steel work can play the effect of regulating interior temperature.
Owing to adopted technique scheme, the advantage of the utility model cooling system is:
Steel framework system and circulating water but system can form independently structure fire cooling system, make structure in fire, still bring into play superior load-carrying properties;
2. cooling blower and radiator in the cooling system are done the second cooling, are returned solidifying means;
3. because intelligence control system has been laid temperature monitoring at steel pipe walls, truss, steel pipe diagonal brace, so when a certain zone catches fire, temperature monitoring can pass to microprocessing systems with information rapidly, when temperature surpasses predetermined value, microprocessing systems sends instruction to spray equipment, the electromagnetic valve of fire area starts, pipe network water-filling, shower nozzle sprinkling fire.When environment temperature dropped to predetermined value, system closing stopped water spray.When the combustible resume combustion, temperature raises again, and system starts again, the shower nozzle sprinkling fire.So both can in time control fire, can reduce again water yield waste, and can effectively control spot fire.
4. steam turbine generator and elevator hand forced landing device, all the water yields all reach 100 ℃ in steel pipe, and the intensity of a fire is still uncontrollable, and in the situation of normal electricity forfeiture, steam continues to enter the steam turbine generator generating, for elevator provides emergency electric power.Emergent manually forced landing button is set, whenever by once circulation electric power up and down once can be provided in the elevator.
5. the water in the building can also play the effect of regulating microclimate in the building under normal condition.
Description of drawings
Fig. 1 is that the utility model is based on the principle schematic of the cooling system of steel structure fireproofing performance optimization.
The specific embodiment
Below in conjunction with drawings and Examples the specific embodiment of the present utility model is further described, but should limit protection domain of the present utility model with this.
As shown in Figure 1, a kind of cooling system based on the steel structure fireproofing performance optimization forms by interconnecting and form steel framework system, reclaimed water system, cooling system, steam power system and intelligence control system.Wherein the steel framework system comprises: the water cooling hollow steel tubing string 1, water cooling ridge directional brace 2, the horizontal steel truss 3 that play the house supporting role.Building structure is by " Code for design of steel structures " GB50017-2011 design, and the connection construction standard can be with reference to " petrochemical industry metallic conduit engineering construction quality standards of acceptance " GB50517-2010.
The above-mentioned cooling system based on the steel structure fireproofing performance optimization, wherein circulating water cooling system comprises: the water pipe 4, water tank 5, flap valve 6, circulating water pump 7, shutoff valve 8, control of water supply and drainage platform 9 and the fire water supply 10 that connect successively with pipeline.The water pipe construction reference can be with reference to " petrochemical industry metallic conduit engineering construction quality standards of acceptance " GB50517-2010 in the steel pipe column.
Building by control of water supply and drainage platform 9 operation, is opened shutoff valve 8 under non-fire, normal operating condition, start circulating water pump 7, from fire water supply 10 diversions to hollow steel tubing string 1, ridge directional brace 2 and water tank 5 interior water-fillings, makes it to keep the retaining state.When water tank 5 interior liquid levels arrival certain altitudes, control of water supply and drainage platform 9 is closed shutoff valve 8 and circulating water pump 7, stops water-filling.During fire, moisture continues evaporation, and water tank 5 interior liquid levels drop to threshold, and control of water supply and drainage platform 9 comes into operation, and continues water-filling.Under the structure retaining state, the main medium of circulation is water in the circulating water cooling system, and the cooling fluid, anticorrisive agent and the antifreezing agent that calculate dosage.
The above-mentioned cooling system based on the steel structure fireproofing performance optimization, wherein cooling system comprises: the three way cock 11 that is connected with water tank, cooling blower 12, radiator (air cooling fin) 13.
The above-mentioned cooling system based on the steel structure fireproofing performance optimization is characterized in that: described steam power system comprises: steam turbine generator 14 and electronic box for subsequent use 15.Steam turbine motor and electronic box for subsequent use can be by microprocessing systems, fire-fighting spraying device, elevator hand forced landing device and the designs of other emergency set power consumptions.
During fire, water temperature is persistently overheating to 100 ℃ in the pipe, and steam through three way cock 11, by cooling blower 12 and steam turbine generator 14, carries out condensing reflux to water tank 5 by water tank (5) respectively.Simultaneously, steam turbine generator 14 links to each other with electronic box 15 for subsequent use, for cooling blower 12, microprocessing systems 16, fire-fighting spraying device 18 and elevator hand forced landing device 19 provide emergent electric weight.
The above-mentioned cooling system based on the steel structure fireproofing performance optimization, wherein intelligence control system comprises: microprocessing systems 16, temperature monitoring 17, fire-fighting spraying device 18 and elevator hand forced landing device 19.
When the fire preset temperature that the steel pipe of conflagration area, diagonal brace or truss table surface temperature arrive, temperature monitoring 17 sends distress signal to microprocessing systems 16.At this moment, microprocessing systems 16 sends instruction, starts cooling blower 12 and determines conflagration area according to the arrangement sequence number of temperature monitoring 17, starts the fire-fighting spraying device 18 of conflagration area.The water spray parameters can be with reference to relevant regulations among " Code for design of automatic fire sprinkler systems " GB 50084-2001 (version in 2005), for example: when the place fire hazard rank of catching fire is middle hazard class II level, water spray intensity 8L/minm2, operating pressure 0.10Mpa.
Claims (1)
1. cooling system based on the steel structure fireproofing performance optimization is characterized in that comprising interconnective steel framework system, reclaimed water system, cooling system and intelligence control system, wherein:
Described steel framework system is comprised of interconnective water cooling hollow steel tubing string, water cooling ridge directional brace, horizontal steel truss;
Described reclaimed water system comprises water pipe, water tank, flap valve, circulating water pump, shutoff valve, control of water supply and drainage platform and the fire water supply that connects successively, is provided with cooling medium in the described reclaimed water system;
Described cooling system comprises three way cock, cooling blower and the radiator that is connected with described water tank;
Described intelligence control system comprises temperature monitoring and the fire-fighting spraying device that connects with microprocessing systems, and described temperature monitoring and fire-fighting spraying device are arranged in the described steel framework system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251858 CN202850253U (en) | 2012-05-31 | 2012-05-31 | Cooling system based on steel structure and with fireproof performance optimized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220251858 CN202850253U (en) | 2012-05-31 | 2012-05-31 | Cooling system based on steel structure and with fireproof performance optimized |
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| CN202850253U true CN202850253U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220251858 Expired - Fee Related CN202850253U (en) | 2012-05-31 | 2012-05-31 | Cooling system based on steel structure and with fireproof performance optimized |
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| CN (1) | CN202850253U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775533A (en) * | 2015-03-18 | 2015-07-15 | 成都绿迪科技有限公司 | Fire prevention structure for building |
| CN105369907A (en) * | 2015-12-11 | 2016-03-02 | 江苏华海钢结构有限公司 | Thermal-insulation fireproof steel structure |
| CN108714286A (en) * | 2018-07-31 | 2018-10-30 | 山东大学 | A kind of therrmodynamic system for avoiding steel construction mansion from burning down and its working method |
| CN110541477A (en) * | 2019-08-21 | 2019-12-06 | 上海市机械施工集团有限公司 | Fireproof method, node structure and fireproof system for aluminum alloy structure |
| CN112944519A (en) * | 2021-03-15 | 2021-06-11 | 中信和业投资有限公司 | System for effectively controlling chimney effect of elevator shaft of super high-rise building |
-
2012
- 2012-05-31 CN CN 201220251858 patent/CN202850253U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775533A (en) * | 2015-03-18 | 2015-07-15 | 成都绿迪科技有限公司 | Fire prevention structure for building |
| CN104775533B (en) * | 2015-03-18 | 2017-03-29 | 许江锋 | Building Fire Protection structure |
| CN105369907A (en) * | 2015-12-11 | 2016-03-02 | 江苏华海钢结构有限公司 | Thermal-insulation fireproof steel structure |
| CN108714286A (en) * | 2018-07-31 | 2018-10-30 | 山东大学 | A kind of therrmodynamic system for avoiding steel construction mansion from burning down and its working method |
| CN110541477A (en) * | 2019-08-21 | 2019-12-06 | 上海市机械施工集团有限公司 | Fireproof method, node structure and fireproof system for aluminum alloy structure |
| CN110541477B (en) * | 2019-08-21 | 2021-06-08 | 上海市机械施工集团有限公司 | Fireproof method, node structure and fireproof system for aluminum alloy structure |
| CN112944519A (en) * | 2021-03-15 | 2021-06-11 | 中信和业投资有限公司 | System for effectively controlling chimney effect of elevator shaft of super high-rise building |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20160531 |