Fire Protection Solutions for Pipe Corridors
Tunnel Firefighting Solution
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Intelligent protection specialists for pipeline corridor safety
Advanced technology for the safety of the pipeline corridor
Jianan Fire is committed to providing customers with a full range of OEM manufacturing services for small fire protection products. While ensuring the quality and reliable performance of the products, we provide customers with more intelligent and automated fire management and improve fire safety through the intelligent fire fighting IOT cloud platform. With its professional technical team and rich industry experience, Jianan Fire is committed to be your most reliable partner for fire protection products manufacturing.
- Comprehensive safety management system
- Advanced Intelligent Monitoring Technology
- Efficient emergency response mechanisms
- Customized solutions
- Environmentally Adaptable Products
- Integrated Monitoring System
- Continuous technological innovation
Program overview
Underground urban pipeline integrated corridor. That is to say, in the city underground construction of a tunnel space, electricity, communications, gas, heating, water supply and drainage and other engineering pipeline set in one, with a door maintenance port, lifting port and monitoring system, the implementation of unified planning, unified design, unified construction and management, is to ensure that the operation of the city's important infrastructure and the "lifeline".
Comprehensive pipeline corridor fire protection system composition
The fire protection system of the comprehensive pipeline corridor consists of fire alarm system, automatic gas extinguishing system, electrical fire monitoring system, fire door monitoring system, fire water system, and fire blocking and evacuation system.
Products for fire extinguishing applications in pipeline corridors
- aerosol
- Ultrafine dry powder
Products for fire extinguishing applications in pipeline corridors
aerosol
According to the closed space and humid environment of the pipe corridor, Jian'an has targeted to develop the hanging S-type aerosol adapted to pipe corridor application and the S-type small aerosol automatic fire extinguishing device specialized for power distribution cabinet and communication cabinet. Its excellent performance and innovative design, non-rich suitable for corridors, tunnels, subways, electric power and other industries, to help customers improve the stability and reliability of the system.
planning regulations
Jian'an (JA) wall-mounted S-type hot aerosol automatic fire extinguishing device installation design according to: "Gas Extinguishing System Design Code" GB503T0-2005
Protected area and release point setup
- Protective zone should be relatively closed group space, divided by guest volume, with m3 as the unit of calculation, each protective zone volume does not exceed 2000m3 is appropriate.
- Doors, windows and maintenance structures in the protection area and the permitted strength shall not be less than 1.2KPa, the fire-resistant limit shall not be less than 0.5h, and the fire-resistant limit of the ceiling shall not be less than 0.25h.
- Ventilation and air-exchange equipment in the protected area should be able to be shut down automatically before the fire extinguishing device is activated, and production operations that affect the effectiveness of fire extinguishing should be stopped.
- The electrical start-up circuit between more than one fire extinguishing device shall be connected in series.
- Each fire extinguishing device should be equipped with a start-up feedback function.
JA Calculation of design dosage of generating agent for thermal aerosol automatic fire extinguishing equipment
- The fire extinguishing design concentration of a hot aerosol prefabricated fire extinguishing system shall not be less than 1.3 times the extinguishing concentration.
- The fire extinguishing design concentration of wall-mounted thermal aerosols in the pipeline corridor should not be less than dry 150/m3.
Operation and Control
The automatic control device should be activated only after receiving two independent fire signals. Manual control devices and manual and automatic conversion devices should be located in the protection zone outside the door of the evacuation exit for easy operation, the installation height of the center point from the ground l.5m.
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- When automatic control is used for start-up, there should be a controllable delayed injection of not more than 30S according to the need for safe evacuation of personnel from the protection zone.
- Fire-fighting power supply should be adopted. The grounding and the working grounding of the individual component equipment units of the hot aerosol automatic fire extinguishing system shall be established separately.
Each part of the protective earthing must be well connected with the earthing system of the building. If the dedicated protective earthing method is used, its grounding resistance should not be greater than 4Ω; if the common earthing method is used, its grounding resistance should not be greater than 4Ω.
Man than 1Ω.
Thermal aerosol automatic fire extinguishing systems should be protected against lightning.
The gas extinguishing controller should pass the GA61 standard test, and other supporting products should also comply with the relevant national regulations.
Calculation formula for the design dosage of fire extinguishing agent
The design usage should be calculated by the following formula W=C2* Kv* V
Where:W--Designed amount of extinguishing agent (kg)
C2 - Fire extinguishing design concentration (km/m3)
V - Net passenger volume of the protection zone (m3)
Kv - guest product correction factor
V<500m3.kv=1.0
500m3≤v<1000m3 . kv=1.1
V≥1000m3.kv=1.2
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Ultrafine dry powder
According to the closed space and humid environment of the pipe corridor, Jian'an has targeted to develop the non-storage pressure ultrafine dry powder fire extinguishing device and the storage pressure ultrafine dry powder fire extinguishing device for pipe corridor which are adapted to the application of pipe corridor. Its excellent performance and innovative design are suitable for corridors, tunnels, subways, electric power and other industries, helping customers to improve the stability and reliability of the system.
planning regulations
In view of the ultra-fine powder fire extinguishing agent and fire extinguishing system in recent years, widely used, in order to standardize the production of products, the Ministry of Public Security through the publication of the GA578-2005 "ultra-fine dry powder fire extinguishing agent", GA602-2006 "dry powder fire extinguishing device" product industry standards. As China has not yet promulgated the design and application of ultra-fine dry powder fire extinguishing system industry standards and national standards, in order to standardize the design and construction process of ultra-fine dry powder fire extinguishing system, to provide the necessary design, construction, acceptance basis, Shandong Province promulgated DB37/T1317 "ultra-fine dry powder fire extinguishing system design, construction and acceptance of the norms of the local standards (hereinafter referred to as the "norms").
Design and calculation of fully flooded fire extinguishing system without pipe network
Section 3.3 of the Code provides for the design and calculation of ductless fully flooded fire suppression systems.
3.3.1 which stipulates that the design fire extinguishing concentration of ultra-fine dry powder fire extinguishing agent shall not be less than 1.2 times the manufacturer's fire extinguishing efficiency registration data. And the provisions of the pipeless network fire extinguishing system in the arrangement of fire extinguishing devices, should be sprayed to form an effective fire extinguishing powder in the protection zone is uniformly distributed.3.3.1 stipulates that the general practice of advanced standards at home and abroad. Genan registration data non-storage pressure type is 0.14kg/m3, storage pressure type is 0.15kg/m3.
Calculation formula for the design dosage of fire extinguishing agent
m=C*(Wv-Vg)*K1*K2*K3
Where.
m--Designed dosage of ultra-fine dry powder fire extinguishing agent (kg)
C - ultra-fine dry powder fire extinguishing agent design extinguishing degree (kg/m3), according to the "Code" Article 3.3.1 value; K1 configuration place hazard level compensation factor, according to the "Code" Table 1 value
K2 protective zone is not sealed degree compensation factor, according to "norms" table 2 value K3 an ultra-fine dry powder fire extinguishing device spray uneven complementary coefficient, according to "norms" table 3 value Vg-protection area or else burned body and refractory body of the total volume (m3)
Volume of protection zone W (m3)
Jian'an Pipeline Corridor Fire Protection Project Case Introduction
Baotou New Urban District Comprehensive Pipeline Corridor Project (Phase I)
Songyuan Underground Pipe Corridor Project-Cultural Road
Taihu New Town Pipe Corridor Project
Suzhou Yangcheng Road Underground Comprehensive Tube Corridor
Haikou Comprehensive Underground Pipe Corridor Project
Haixiu Road Haikou City Underground Comprehensive Pipeline Corridor Project Changbin Section
More protection for your peace of mind
Transportation protection
Adopting wooden packaging, having pressure gauge set protection cover and external marking and other protections, fully guarantee the safety of product transportation.
Installation Guarantee
Prefabrication is carried out in the production workshop for the installation environment, and there are after-sales technical engineers on-site to guide and solve installation problems.
after-sales service
Professional technical engineering support to solve customer problems, where the production of quality problems, are free maintenance by our company.
delivery capacity
It has a production and service base covering an area of 60 acres, with complete production equipment; and sufficient reserves of raw materials.
Contact Us Now
If you have any questions or need assistance, please fill out the contact form to the right and a Jianan customer representative will contact you as soon as possible.?
- Service Hotline: 400-915-1190
- E-mail:1013086865@qq.com
- Fax: 400-915-1190
- Address:Banqiao Industrial Zone, Zhushan Town, Yushui District, Xinyu City, Jiangxi Province, China
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