The heat source part of this code is applicable to the heat source system mainly based on coal-fired boiler room, and the other parts are applicable to various heating systems. CJJ/T 88-2000 Technical Code for Safe Operation of Urban Heating System CJJ/T88-2000 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
Industry Standard of the People's Republic of China
Technical specification for safe operation of heating system in city
88—2000
J25—2000
2000Beijing
Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
Industry Standard of the People's Republic of China
Technical specification for safe operation of heating system in city city
88-2000
Editing unit: Shenyang Huitian Thermal Power Co., Ltd.Approving department: Ministry of Construction of the People's Republic of ChinaEffective date: October 1, 2000
2000Beijing
Engineering Construction Standard Full-text Information System
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Engineering Construction Standard Full-text Information System
Notice on the Release of Industry Standards
"Technical Regulations for Safe Operation of Urban Heating Systems"Jianbiao [2000] No. 130
In accordance with the requirements of the Ministry of Construction's "Notice on Issuing the "1990 Engineering Construction Industry Standard (Ministry of Construction Part) Formulation and Revision Plan" ([90] Jianbiao No. 407), the "Technical Regulations for Safe Operation of Urban Heating Systems" edited by Shenyang Huitian Thermal Power Co., Ltd. has been reviewed and approved as a recommended industry standard, with the number CIJ/T882000, and will be implemented on October 1, 2000. This standard is managed by the Ministry of Construction's Urban Construction Standards and Technical Unit, the Ministry of Construction's Urban Construction Research Institute, and is interpreted by Shenyang Huitian Thermal Power Co., Ltd. The Ministry of Construction's Standards and Norms Research Institute organized the China Building Industry Press to publish it. Ministry of Construction of the People's Republic of China
June 13, 2000
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
According to the requirements of the Ministry of Construction's [1990] Jianbiaozi No. 407 document, the standard compilation team has formulated this regulation on the basis of extensive investigation and research, careful summary of practical experience, reference to relevant international standards, and extensive solicitation of opinions. 2. Heat source; 3. Heating network;
The main technical contents of this regulation are: 1. General provisions: 4. Pumping station and heating station; 5. Heat users; 6. Monitoring and operation scheduling. This regulation is managed by the Ministry of Construction's Urban Construction Standards and Technical Unit, the Ministry of Construction's Urban Construction Research Institute, and is authorized to be interpreted by the editor-in-chief. The main editor of this code is Shenyang Huida Thermal Power Co., Ltd. (address: No. 47, Reonao Road, Shenhe District, Shenyang City, zip code: 110014). The participating units of this code are: Tsinghua University, Beijing Thermal Power Company, Tangshan Thermal Power Company, and Urban Construction Research Institute of the Ministry of Construction. The main drafters of this code are: Wang Anrong, Sun Jie, Ning Guoqiang, Ding Zixiang, Shi Zhaoyu, Zhang Yu, Wu Dejun, Yang Shirong, and Li Guoxiang. 4
Engineering Construction Standards Full Text Information System
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Engineering Construction Standards Full Text Information System
General Provisions
2.2 Preparations before the start-up of boilers and auxiliary equipment2.3 Start-up of boilers and auxiliary equipment
2.4 Operation and adjustment of boilers and auxiliary equipment2.5 Boiler room operation control indicators
2.6 Shutdown of boilers and auxiliary equipment
Troubleshooting of boilers and auxiliary equipment
Maintenance of boilers and auxiliary equipment after they are stopped2. 8
Heating network
General provisions
Preparation before operation of heating network
Operation of heating network
Regulation of heating network
Replenishment and constant pressure of hot water heating network
3.6 Shutdown of heating network
Pumping station and heating station
General provisionsbZxz.net
4.2 Preparation before operation of pumping station and heating station
4.3 Operation and regulation of pumping station
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4.4 Operation and regulation of heating station|| tt||+.....0..
4.5 Shutdown and protection of pumping station and heating station 5 Heat users
General provisions
5.2 Preparation before operation and troubleshooting
6 Monitoring and operation scheduling
Engineering construction standard full text information system
Engineering construction standard full text information system
General provisions
6.2 Parameter detection
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6.3 Parameter adjustment and control
6.4 Computer automatic monitoring Control
Choice of the best operating conditions
Operation and scheduling of heating system
Terms used in this regulation
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Engineering Construction Standard Full Text Information System
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Engineering Construction Standard Full Text Information System
1.0.1 This regulation is formulated to ensure the safe, stable and economical operation of the heating system and improve the quality of heating.
1.0.2 The heat source part of this regulation is applicable to the heat source system with coal-fired boiler room as the main part, and the other parts are applicable to various heating systems. 1.0.3 In addition to complying with this regulation, the safe operation of urban heating systems shall also comply with the provisions of the relevant current national mandatory standards. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
2.1 General Provisions
2.1.1 Newly installed or relocated boilers must be registered with the local competent authorities and can only be put into operation after passing the inspection and obtaining the use registration certificate; re-activated boilers must be regularly inspected in accordance with the requirements of the current national standards "Safety Technical Supervision Regulations for Hot Water Boilers" or "Safety Technical Supervision Regulations for Steam Boilers" and can only be put into operation after completing the certificate renewal procedures. 2.1.2 The operation and adjustment of the heat source should be strictly carried out in accordance with the dispatching instructions. 2.1.3 Boiler operation operators should receive technical training, and boiler operators, water quality testers and other on-the-job personnel must have an operation certificate issued by the competent authorities. 2.1.4 When the boiler is in operation, the operator should implement various systems related to the safe operation of the boiler, and keep operation duty records and handover records. 2.1.5 The boiler room should have the following diagrams:
1. Thermal system diagram.
2. Power supply system diagram.
3. Equipment layout plan.
4. Operation parameter adjustment curve chart.
2.1.6 Boilers and auxiliary equipment put into operation should be kept in good condition. 2.1.7 The quality of coal used in boilers should meet the boiler design coal type. Boiler coal should be low-sulfur coal. When other types of coal are used, the emission index2.1.8
should meet the provisions of the current national standard "Boiler Air Pollutant Emission Standard" (GB13271).
2.2 Preparation before starting boilers and auxiliary equipment2.2.1 When the pressure components have been overhauled or modified and the boiler has been shut down for more than 1 year or has been in continuous operation for more than 6 years, a water pressure test should be carried out before operation. Steam boiler water pressure test standard 2
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Engineering construction standard full text information system
Should comply with the relevant provisions of the current national standard "Steam Boiler Safety Technical Supervision Regulations", and the hot water boiler water pressure test standard should comply with the relevant provisions of the "Hot Water Boiler Safety Technical Supervision Regulations".
2.2.2 Newly installed, modified, relocated and overhauled boilers must be dried, boiled and tested at full load for 72 hours in hot state; long-term shutdown and seasonal use boilers should be dried before operation, and their auxiliary equipment must be tested for single machine and linkage for no less than 2 hours. 2.2.3 Rotating machinery such as fans, water pumps, coal conveyors, and slag removers shall comply with the following provisions:
1. The safety protection cover is complete and firm, the coupling and anchor bolts are not loose, and the transmission belt is complete and has no deviation.
2. The grounding wire of the motor is firm and reliable.
3. The cooling system is unobstructed.
4. All mechanical transmission parts operate smoothly. 5. The bearing lubricating oil is of qualified quality and appropriate oil quantity, and the bearing temperature should meet the following requirements:
(1) The rolling bearing temperature is not higher than 80℃; (2) The sliding bearing temperature is not higher than 60℃. 6. The radial amplitude of the bearing should meet the requirements of Table 2.2.3: Table 2.2.3
(t/min)
Amplitude should not exceed
(mm)
≤375
Bearing radial amplitude
<600
≤750
≤1500
≤3000
2.2.4Before the boiler is put into trial operation, the boiler body, auxiliary equipment, electrical appliances, instruments and computer systems shall meet normal operating conditions. 2.2.5The boiler safety valve shall be adjusted and calibrated at least once a year; during operation, it shall be tested once a week.
The adjustment standard of the steam boiler safety valve shall comply with the provisions of Table 2.2.5-1. The adjustment standard of the hot water boiler safety valve shall comply with the provisions of Table 2.2.5-2. 3
Engineering Construction Standards Full-text Information System
Engineering Construction Standards Full-text Information System
Table 2.2.5-1
Set pressure of steam boiler safety valve
Rated steam pressure (MPa)
0.8
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