SY/T 0306-1996 Technical specification for thermal heating in offshore oil projects
Some standard content:
Petroleum and Natural Gas Industry Standard of the People's Republic of China Technical specification for heuting engineering and heating of petroleuniengineering in beach-slallow sea SY T 0306-96 Edited by: Shengli Petroleum Administration Bureau Survey and Design Institute Shengli Petroleum Administration Bureau Oil Construction No. 1 Company Approved by: PetroChina Volan Gas Corporation Petroleum Industry Press Beijing 1997 General provisions Distribution of boilers, auxiliary machines and auxiliary facilities Water treatment and water supply equipment Fuel and oil and gas facilities Steam and water pipelines Boiler ventilation ||Thermal monitoring and control
General provisions
Heat load
Selection of thermal system
Heating and cooling
Pipeline layout and laying
Boiler and piping installation
General provisions
Furnace installation
Boiler accessories and auxiliary equipment installation
Baking, boiling and trial operation
Piping system installation
Heating installation
General provisions
Heater installation Installation
Installation of heating pipe system
(10)
【14】
（16）
(18）
（19）
（22）
(26）
Project acceptance
Appendix A
Explanation of the terms of this specification
Additional explanation
Appendix Explanation of the provisions of the technical specification for thermal heating of offshore oil projects
（30）||tt| |China National Petroleum Corporation Document
(96) CNPC Technical Supervision No. 642
Notice on the approval and release of 14 oil and gas industry standards including "Gas Field Gas Gathering Engineering Design Specifications" To all relevant units:
"Gas Field Gas Gathering Engineering Design Specifications" and other 14 oil and gas industry standards (drafts) have been reviewed and approved and are now approved as oil and gas industry standards and are hereby issued. The numbers and names of the various standards are as follows: Serial No.
SYT 0010-96
SYT 0011-96
SY 0043-96
SY/T 0091--96
SY7T 030696
SY7T 030796
SY /T 0308-96
Design specification for gas field gas gathering engineering (replace
SYJ 10-86)
Design specification for gas purification plant (replace
SYJ 11---85)
Coloring standard for oil and gas surface pipelines and equipment (replace
SYJ 43---89)
Design specification for computer control system of oil and gas field and pipeline
Technical specification for thermal heating of offshore oil project Technical specification for vertical circular steel welded fixed roof storage tank of offshore oil project
Technical specification for water injection of offshore oil project
SYT 0309-.-96
SYT 0310
SYT 0311
SY 7T 0312-- 96
SY T 0313 --96
SYI 0314—-96
SYT 0305-96
Technical Specification for Produced Water Management of Tanpai Oil Project
Technical Specification for Instrumentation and Automatic Control of Tanhai Oil Project
Technical Specification for Communication of Haishichi Project
Technical Specification for Installation of Youtai Oil Project
Technical Specification for Wharf Design and Construction of Tanhai Oil Project
Technical Specification for Structural Design and Construction of Tanyou Concrete Platform
Technical Specification for Yahai Pipeline System
The above standards shall come into force on July 1, 1917 China National Petroleum Corporation
December 3, 1996
1.01 This specification is specially formulated to standardize the thermal engineering and heating equipment and construction of Tanhai Oil Project and to ensure safety, reliability, advanced technology, economical and practical, energy conservation and environmental protection.
1.0.2This specification applies to the design and construction of thermal engineering and heating on offshore oil engineering platforms and artificial islands.
1.0.3Reference standards:
GBJ 11688
GB 157685
GB 309582
GB 622286
CB 1372191
Design specification for automatic fire alarm system
Water quality standard for low-pressure boilers
Air environment quality standard
Gas safety regulations for industrial enterprises
Emission standard for air pollutants from boilers
Design specification for boiler rooms
GB 5004192.
SY 57471995
Safety rules for beach and sea oil construction projects
SY/T4086·95 Beach structure. Pipeline network design and construction technical specifications SY T 4091
95 Beach and sea oil engineering anti-corrosion technical specifications
SYT4092-95 Beach and sea oil engineering insulation technical specifications DnV1987 Human-level specifications for crude oil production and storage devices 104 Beach and sea oil engineering thermal engineering: In addition to this specification, the design and construction of beach and sea oil projects shall comply with the provisions of the current national standards (specifications) 2 Thermal engineering
2.1 General provisions
2.1.1 Thermal engineering design - should obtain heat load, fuel and water quality data: and should also obtain relevant data such as meteorology, engineering geology, power supply and water supply. 2.1.2 The optimization of thermal design scheme should be combined with the optimization of the overall scheme and determined through technical and economic demonstration.
2.1.3 When turbine or reciprocating engine is used for power generation: the exhaust heat of the engine should be recycled and utilized.
2.1.4 When natural gas resources are available, natural gas should be used as fuel: when there are no natural gas resources: and the quality of crude oil can meet the requirements of the combustion device, crude oil should be used as fuel for joint platforms and artificial islands.
2.1.5 The selection of heating medium and heating parameters should meet the needs of process heat use, safe heat use and reasonable heat use. If there are no special requirements for the process, high-temperature water should be used as the heating medium, and its temperature should not exceed 150. If saturated steam is used, the steam pressure should not exceed 0.4MPa.
2.1.6 The design capacity of the boiler room should be determined based on the near- and long-term heat load data, heat balance system diagram and annual load diagram. When the annual load diagram is missing, the heat load can be determined based on the simultaneous use coefficient of production, heating and ventilation and air conditioning and daily life hourly maximum heat consumption meter
2.1.7 In addition to the implementation of Article 2.1.5, the selection of boilers shall also meet the following requirements:
The capacity and number of boilers shall be determined so that the boiler room can adapt to the changes in the afternoon heat load and the needs of boiler maintenance and expansion; it is advisable to select quick-install vertical boilers of the same type and capacity; 2.1.7.1
.7.2
The thermal efficiency of the boiler shall not be less than 80%:
The burner equipped with the boiler shall have good adaptability to the fuel used, shall have a relatively wide load adjustment range, and its smoke and pollutant emission concentration shall comply with the provisions of the "Emission Standards for Steel Furnace Gas Pollutants";
2.1.7.5 The operating noise of the burner, fan and other equipment shall comply with the relevant provisions of Chapter 1 of the "Safety Rules for Beach and Sea Petroleum Construction Projects" 2.1.7.6 The boiler shall be equipped with complete alarm and automatic protection devices. 2.1.8 The boiler water temperature shall be determined according to the boiler structure, the combustion characteristics of the burner and boiler, and the sulfur content of the fuel
2.1.9 The condensate recovery rate shall not be less than 70%. 2.1.10 The configuration of the metering instrument shall meet the needs of the economic accounting or economic operation analysis of the heating system.
2.1.11 The design and layout of the pipeline shall comply with the relevant provisions of Chapters 3 and 4 of the "Technical Specifications for the Design and Construction of Pipeline Networks on Beach and Sea Structures". The seismic design of pipelines shall comply with the provisions of Section 2.0.15 of the "Boiler Room Design Code". 2.1.12 The thermal compensation design of pipelines and the setting of expansion joints and brackets shall comply with the relevant provisions of Section 6 of Chapter 14 of the "Boiler Room Design Code". 2.1.13 The selection of anti-corrosion coatings on the outer surfaces of equipment, pipelines and valves shall comply with the relevant provisions of the "Technical Code for Anti-Corrosion of Beach and Offshore Petroleum Engineering". 2.1.14 Equipment, pipes and valves that need to reduce heat loss should be insulated; the determination of the insulation structure and the calculation of the thickness of the insulation layer should comply with the relevant provisions of the "Technical Specifications for Insulation of Beach and Sea Petroleum Engineering". For exposed equipment and pipes that do not require insulation but have a surface temperature greater than 60°C, insulation measures should be taken for parts that may cause scalding. 2.1.15 The duct air cooling of the boiler room and the ventilation of the fuel pump room should comply with the provisions of Articles 13.3.1 to 13.3.2 and 13.3.8 to 13.3.9 of the "Boiler Room Design Code".
When using natural gas or crude oil as fuel, the duct air of the boiler room should comply with the relevant provisions of Section 5 C300 and C400 of the "Human Level Code for Crude Oil Production and Storage Equipment". However, the boiler room arranged in the safety zone should adopt negative pressure ventilation. When negative pressure ventilation duct is not used to isolate fuel pipeline, in addition to the air volume for combustion, the boiler room shall also be equipped with an exhaust system with an air exchange volume of not less than 3 times per hour and an emergency exhaust system with an air exchange volume of not less than 10 times per hour. 2.1.16 Fuel tanks, daily fuel tanks and dirty oil tanks shall be grounded. The grounding of fuel tanks shall comply with the provisions of Section 762 of the Safety Period of Construction Engineering. The thickness of the roof of the fuel tank shall not be less than 5m: All types of metal ducts shall have anti-static protection grounding facilities.
2.1.17 Except for compressed air pipes, other pipelines shall not be arranged near power distribution facilities. 2.1.18
The dynamic load-bearing devices arranged in the open air shall be provided with rainproof wingsbzxz.net
The exposed dynamic parts shall be provided with protective covers. The configuration of the fire protection system shall not only comply with the provisions of Chapter 1 of the Safety Policy for Tanhai Shimao Construction Project, but also comply with the provisions of Section 5 C900 and Section 6 C300 of the Human-level Specification for Crude Oil Production and Storage Installations. The equipment of Tanhai Shimao Oil Storage Engineering shall have a product certification certificate suitable for the construction environment of Tanhai Shimao Engineering, and the materials used shall be suitable for the construction environment of Tanhai Shimao Engineering.
2.2 Arrangement of boilers, auxiliary machines and auxiliary facilities 2.2.1 Arrangement of boilers and auxiliary machines
2.2.1.1 The location of the boiler unit shall be determined based on the following analysis: (1) The boiler unit shall be away from the crude oil tank area, No fire handling equipment and living area: or isolated from the above areas
() The boiler engine on the platform should be arranged in the safety area of the lower deck (the boiler engine is arranged on the lower side of the annual minimum frequency wind direction of the umbrella. 2.2.1.2 When the long-term heat load has a large development, the boiler room layout should leave an expansion end. 2.2.1.3
The layout of the boiler and auxiliary equipment should meet the needs of safe production, operation and maintenance, and the area of point punishment should be minimized. 2.2.1,4
The longest pipe of the fuel tank is in the dangerous area.
The combustion device of the boiler is arranged indoors. In cold areas, the boiler milk is easy to freeze. Instruments, water pumps and water softening devices are arranged indoors. 2.2.1.6 When the boiler is arranged outdoors, the boiler unit should choose products suitable for marine outdoor windows: its design Equipment: Instruments and pipelines should be protected from rain, wind, freezing and corrosion.
2.2.2 Arrangement of boiler room, auxiliary room and passage 4
2.2.2.1 The outer door of the boiler room should open outwards, and the inner door of the boiler room should be connected to the boiler door. The workroom should have an outer door. 2.2.2. The outer door of the fuel pump room should open outwards. 2.2.2.3 The duty control room should be arranged in a place that is convenient for observing the boiler water level and pressure. The laboratory may not be set up separately.
2.2.2.4 There should be at least two escape passages that are far away from each other in places where people are on duty and patrolling. The layout of passages, escape passages and door ladders should comply with the provisions of Chapter 18 of the "Safety Rules for Beach Oil Construction Projects".
2.3 Water treatment 2.3.1 Water treatment
2.3.1.1 The water treatment design shall meet the requirements of safe and economic operation of boilers and heating systems, and shall not have a harmful impact on the environment. 2.3.1.2 The water quality of the feed water and boiler water of low-pressure steam boilers, the feed water and circulating water of water boilers shall comply with the relevant provisions of the "Low-pressure Boiler Water Quality Standard". The water quality of the feed water and boiler water of direct current boilers shall comply with the technical specifications provided by the manufacturer. 2.3.1.3 Select water with a maximum floating content of no more than 5mg/L and no negative hardness as raw water.
2.3.1.4 The softening of boiler feed water shall adopt external chemical water treatment. 2.3.1.5 When external chemical water treatment is adopted, the discharge rate of steam boilers should not be greater than 10%. The discharge rate of separated water of vacuum steam boilers shall be determined based on the salt content of raw water and the allowable salt content of water.
2.3.1.6 The deoxidation of steam boiler feed water should be carried out by atmospheric spray thermal deaerator, and the heat of the heat network return water and the continuous drainage of the boiler should be fully utilized. The deaeration of hot water boiler feed water should be carried out by floating iron deoxidation or chemical deoxidation. 2.3.2 Steam boiler feed water equipment
2.32.1, feed water pump setting. If a steam boiler adopts a single-unit water supply system, the flow rate of a single water supply pump shall not be less than 10% of the total water supply required for the rated evaporation capacity. If centralized water supply is adopted, when the largest water pump stops running, the remaining total flow rate shall not be less than 0% of the total water supply flow rate.
2.3.2.2 For boiler rooms with stepped power loads and boiler rooms where a power outage will not cause a boiler water shortage accident, a steam-driven water supply pump may not be installed as an emergency standby pump; otherwise, a steam-driven water supply pump shall be installed as an emergency standby pump, and its flow rate shall be able to meet 20%-40% of the water supply required for the maximum rated evaporation capacity of the boiler room.
2.3.2.3 The determination of the water supply pump head shall comply with the provisions of Article 7.1.7 of the "Boiler Room Design Code".
2.3.2.4 A boiler room for seasonal heating shall be equipped with one water supply tank or deaerator tank, and a boiler room for uninterrupted heating all year round shall be equipped with two water supply tanks or deaerator tanks. The total effective capacity of the feed water tank should be 40 to 60 kPa of feed water required at the maximum rated evaporation rate. 2.3.2.5 The layout height of the boiler feed water tank or the water tank should be such that the boiler feed water pump has sufficient filling head: and the filling head should not be less than the algebraic sum of the following items: (1) The difference between the vaporization pressure of water at the feed water pump inlet and the working pressure of the water tank: (2) The pressure loss of the feed water pump inlet pipe
(3) The necessary cavitation margin of the feed water pump:
4) 3 to 5 kPa of surplus.
2.3.3 Hot water boiler circulation and make-up water equipment 2.3.3.1! Hot water heating systems with heating and air conditioning heat exchange loads should adopt mass regulation mode for heating: Hot water heating systems with process heat load as the main load should adopt staged variable flow regulation mode for heating.
2.3.3.2 Hot water boilers should not adopt single unit water supply system. 2.3.3.3 The operating flow and number of circulating water pumps shall be determined based on factors such as the total heat load at each stage, the design temperature difference of supply and return water, and the adjustment method. 2.3.3.4 The determination of the head of the circulating water pump shall comply with the provisions of Article 4.1.4 of the "Boiler Room Design Code".
2.3.3.5 The selection of the make-up water pump shall meet the following requirements (1) The flow of the make-up water pump shall be determined based on the normal make-up water volume of the system and the single-fault make-up water volume, and should be 4 to 5 times the normal make-up water volume; (2) The head of the make-up water shall not be less than the maximum pressure of the make-up water point plus 30→50kPa.
2.3.3.6 The hourly leakage of the hot water system should be 1% of the system water capacity. 2.3.3.7 Both the circulating water pump and the make-up water pump shall be set up as standby. 2.3.3.8 The selection of the constant pressure point and constant pressure device of the hot water system shall be determined according to the parameters of the heating medium and shall meet the following requirements:
(1) For the commercial temperature water system that operates all year round: the system shall be guaranteed not to vaporize, and the constant pressure point shall be set on the outlet pipeline of the circulating water pump. For the hot water system that supplies heat for heating, ventilation and air conditioning, the constant pressure point may be set on the inlet pipeline of the circulating water pump, but the system shall be guaranteed not to vaporize during operation
(2) The constant pressure device shall preferably use an air pressurized diaphragm expansion water tank. For high temperature water system, pressurized expansion water tanks with direct contact between air and water should not be used. 2.3.3.9 Two make-up water tanks should be set for hot water system in year-round operation, with a total effective capacity of 34h normal make-up water volume: One make-up water tank can be set for hot water system in seasonal operation, with an effective capacity of 1.5-2h normal make-up water volume. 2.4 Fuel and fuel oil and gas facilities
2.4.1 Fuel oil and fuel oil facilities
2.4.1.1 The quality of residual oil, heavy oil and crude oil used as fuel for boilers and heat medium furnaces shall not only meet the relevant national standards, but also be Meet the following requirements (1) Sulfur content should not be greater than 1.0%:
(2) Mechanical impurity content should not be greater than 2.5%: (3) Water content should not be greater than 3.0: When emulsified crude oil is used as fuel oil: Water content should not be greater than 30%
(4) The minimum water content should not be less than 0.3%
2.4.1.2 The closed cup flash point of diesel fuel used as boiler and heat medium furnace fuel should not be less than 2.4.1.3 The supply and return oil main pipes of the fuel system should adopt a single mother pipe, and the shut-off valve on the branch pipe should be arranged close to the mother pipe
2.4.1.4. There should be no more than 2 fuel tanks: The total capacity of the fuel tanks should be determined based on factors such as transportation method and fuel source, and the box should comply with the following regulations (1) The total capacity of the fuel tanks on the platform should be determined based on the maximum fuel consumption of the boiler room for 1015 days:
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