WS 437-2013Operational management of steam heating for hospitals (English PDF)
This is a limited preview
Buy now to download the full PDF (9 pages)
Need quotation for your management?
Get a formal quotation for WS 437-2013 in 30 minutes.
Issued by
National Health and Family Planning Commission of the People's Republic of China
Level / Type
National · Mandatory
Issue date
January 1, 1970
Implementation date
January 1, 1970
Scope
WS 437-2013 (Operational management of steam heating for hospitals) is available as an English-translated PDF.
WS 437-2013 — This standard specifies the management requirements for the operation of hospital heating systems. This standard applies to the operation of hospital-operated fixed steam boilers (or thermal stations) with water as the medium and the thermal pipeline network connected to them.
Management, other medical institutions with similar heating systems can refer to implementation.
Found what you need?
Document preview — WS 437-2013
National Standard of the People's Republic of China
- ICS
- 11.020
- Classification
- C 05
Issued by: National Health and Family Planning Commission of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Basic requirements
- 4.2 Management Letter
- 4.3 Duties
- 4.4 Management System
- 4.5 Archive Management
- 5.2 Steam boiler
- 5.3 Thermal network
- 5.5 Decompression system
- 5.6 Heat exchange system
- 6 Energy management
- 6.1 Measurement
- 6.2 Energy saving
1 Scope
This standard specifies the management requirements for the operation of hospital heating systems.
This standard applies to the operation of hospital-operated fixed steam boilers (or thermal stations) with water as the medium and the thermal pipeline network connected to them.
Management, other medical institutions with similar heating systems can refer to implementation.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version is used in this article Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 4272 General rules for thermal insulation of equipment and pipelines GB/T 8175 Equipment and Pipeline Insulation Design Guidelines GB/T 12244 General requirements for decompression rooms GB/T 12712 Technical requirements for condensate recovery of steam heating system and steam drainage room CJJ 34 Design Code for Urban Thermal Networks CJJ/T 88 Technical regulations for safe operation of urban heating systems WS 308 Medical Institution Fire Safety Management
3 Terms and definitions
The terms and definitions defined in GB/T 4272, GB/T 8175, GB/T 12244, GB/T 12712, and CJJ/T 88 and the following terms and definitions apply in this document.
Boiler
Utilize the thermal energy released by the combustion of fuel or other thermal energy to heat water or other working fluids (compressible in the thermal cycle that can change the five phases of heat and work) (Condensate) to produce steam, hot water or other working fluid with specified parameters (temperature, pressure) and quality.
Steam boiler steam boiIer Boiler that uses the heat energy released from fuel combustion or other heat energy to heat water to produce steam with specified parameters and quality. Soda in the boiler the system consists of closed containers and pipes, which are heated by the thermal energy released by the combustion of fuel or other thermal energy, and bear the pressure of fluid pressure during work container.
Heat supply piping network Hospital-owned process pipes, utility pipes, and other auxiliary pipes for transporting heat medium.
The heat pipe network consists of sub-cylinders, heat exchangers, related meters (including pressure gauges, thermometers, flow meters, etc.), and valves (including pressure reducing valves, water drains, Globe valve, safety valve, etc.), heat compensator, filter, steam separator, piping and its thermal insulation and anticorrosion system.
Pressure reducer valve Through adjustment, the inlet pressure is reduced to a certain required outlet pressure, and the outlet pressure is automatically maintained stable by the energy of the medium itself Fixed reading.
Trap drain water
The condensate, air and other non-condensable gases in the steam system are expelled as soon as possible, while the steam leakage Device.
Heat exchanger
A device that transfers heat from one heat transfer medium to another.
4 Basic requirements
4.1-General principles
4.1.1 The hospital shall
4.1.2 Steam heating
4.1.3 Steam supply
4.1.4 New installation,
4.1.5 Hospital
Professional skills,
4.1.6 Steamed Ravioli
4.1.7 Steaming,
4.2 Management Letter
4.3 Duties
4.3.1 The hospital should be brother
4.3.2 The hospital shall determine
4.3.3 Steam heating manager Renchuan
4.3.4 The head of the management department should fulfill the disadvantage
a) A comprehensive page of the heating system operation of the unit is congratulated on the work plan of the heating system; organize the implementation of steam heating daily Operation management; Responsible for communication and technical support with relevant functional departments;
b) Develop a heating service management system, operating procedures and maintenance plans, and check the implementation of the system and Evaluation
c) Determine safety responsibilities by level, organize safety inspections, and implement safety operating procedures;
d) Responsible for accident investigation and accident cause analysis, put forward suggestions for handling accidents, and implement preventive measures;
e) Develop a management system for accounting fees, establish a heating budget and cost accounting system for the entire hospital, and check the implementation of the system Review and evaluation;
f) organize employees' safety production education and technical training ";
g) According to the actual situation of the unit, organize the formulation of emergency plans, and regularly organize emergency drills.
4.3.5 Operational personnel shall perform the following duties.
a) Familiar with relevant rules and regulations, master the working principle and operating characteristics of heating systems, and have relevant working skills;
b) Correctly maintain and operate equipment, and carry out energy-saving, environmental protection, water quality, heat metering and heating quality operation and maintenance in accordance with the system;
c) Implement the relevant safety management system in the operation and maintenance of the heating system, reject the illegal operation instructions, and conduct illegal operations for others.
Discourage and stop;
d) Correctly deal with various hidden dangers of accidents. Once an accident occurs, report it to management immediately, handle it in accordance with the accident plan handling procedures, and ensure that Protect the site and make records; assist the safety management department to identify the cause of the heating operation accident, implement solutions and improve measures j
e) proper use of various protective gear and fire fighting equipment;
f) Put on your work clothes and keep your work environment tidy.
4.4 Management System
4.4.1 The hospital shall establish and improve various management systems in accordance with the characteristics of the unit's steam heating system and equipment, and announce implementation.
4.4.2 The steam heating operation management system shall include the post responsibility system, the operating regulations of the boiler and its auxiliary machinery, the roving inspection system, and the water quality management system.
Management system, equipment maintenance and regular inspection system, transfer system, security system, accident reporting system, training system, sanitation System, file management system, etc.
4.4.3 The inspection system of the steam heating system shall include the following.
a) The cyclic inspection of the steam heating system should be performed once every 4 hours;
b) The boiler operation operator should monitor the water level and pressure of the boiler to maintain normal and stable conditions.
Because, immediately and correctly;
c) Specify the steam pressure of the sub-cylinder, the pressure before and after the pressure reducing valve, the temperature of the heat exchanger, the trap, the safety valve, the pipe insulation, the condensation recovery device Patrol, monitor it in a normal and stable state, find abnormal conditions, and immediately deal with it properly;
d) Anomalies that cannot be identified and dealt with in a timely manner should be reported step-by-step immediately and handled by the corresponding management personnel;
Record of steam heating system inspections.
4.4.4 The equipment maintenance and periodic inspection system for steam heating systems shall include the following.
a) Maintenance requirements.
1) Pipes and insulation shells are damaged, water leaks and air leaks are repaired in a timely manner;
2) The pressure gauge is damaged and the dial is not clear and replaced in time;
3) Run, take, drop, or leak the door for timely inspection or replacement;
4) Clean the trap filter;
5) Inspect and repair traps, heat exchangers, decompression devices, piping systems, temperature control valves, drain valves, safety valves, etc.
6) Debug the pressure reducing and temperature control valve;
7) Check and repair secondary instruments and protection devices;
8) Remove dust from equipment and auxiliary equipment;
b) The steam boiler in use shall be subject to external inspection of the boiler once a year, internal inspection of the boiler every 2 years and every 6 years One hydrostatic test; when the internal and external inspections are performed in the same year, the internal inspection should be performed first, and then the external inspection External inspection;
c) The inspection of boilers, steam pipes and related pressure vessels shall be carried out by a unit designated by the competent national authority, until 1 less/year;
d) Safety test verification requirements.
1) The safety wide manual steam release test or 7} c test should be performed at least l times/week, and the technical supervision bureau's calibration should be at least once per year;
2) The normal operation of the pressure gauge to flush the water storage elbow should be at least once per week;
3) The calibration of the pressure gauge technical supervision bureau shall be at least once/half a year, and the working pressure line shall be marked on the dial, and the seal shall be sealed after calibration;
e) Equipment maintenance and safety accessories test and calibration shall be recorded in detail. The inspection report shall be included in the boiler technical file.
4.4.5 The transfer system shall include the following.
a) The successor should arrive at the job site according to the prescribed time, check the shift records, and listen to the shift personnel to introduce the equipment operation;
b) The workplace should be clean and sanitary, tools and articles should be neatly arranged, and conditions can be met before handover;
c) The shift staff and the successor should conduct a comprehensive inspection of the heating system during the shift, and jointly inspect the steam pressure and steam pressure of the boiler and sub-cylinder.
Steam temperature, traps, heat exchangers, decompression devices, piping systems, temperature control valves, drainage spaces, safety systems, condensate recovery systems, the frequently qualified party can sign the handover;
d) If the successor fails to take over on time, the attendant should report to the relevant leaders.
Work
e) If there is an accident or a major operation item at the time of shifting, the shift should be completed after the accident is handled or the operation is completed.
4.4.6 The security system shall include the following.
a) Clearly approve the fire and fire management approval department, formulate the use ~ ~
b) Open fire is strictly forbidden in heating equipment area, ~,
c) The heating station should not be installed
d) Outside personnel enter, both stand 0% 00B% 00J'hu h effective square
Governor
4.5 Archive Management
4.5.1 Content
4.5.1.1 Archives should be complete and comprehensive
4.5.1.2 The administrative file shall include the following.
a) management of documents, drawings and records;
b) equipment maintenance management;
c) management of accessories and consumables;
d) personnel physical examination management;
e) personnel training;
f) safety management;
g) emergency management;
h) Contractor management.
4.5.1.3 The technical files shall include the following.
a) Complete set of construction and completion drawings and relevant acceptance data of equipment and facilities drawing);
b) contract information;
c) drawing review records;
d) engineering design change notification and technical approval order (including quality accident handling records);
e) Concealed Works Acceptance Visa;
f) Certificates of qualification for new materials and accessories.
4.5.1.4 The operation record shall include the following.
a) equipment operation records;
b) maintenance records of equipment and facilities;
c) duty records;
d) records of shifts;
e) System energy consumption statistics . Malfunction or accident 4.5.3.2 5 main, 5.1.2 5.1.3
5.1.4 Medical treatment using self-contained boiler
5.1.5 Steam heating system operation 1i ~ Ju Ye blood maintenance should
Signature of department head and operation operator.
5.1.6 The daily weather data should be mastered, and various parameters should be adjusted and recorded in the operation log according to the meteorological changes to maintain the operating conditions and usage.
The room temperature is stable.
5.1.7 The heating room temperature monitoring point should be set according to the heating scale, and the temperature should be measured regularly, and the temperature measurement records should be made to check the heating quality.
5.1.8 The pipes, valves and pipes inside the thermal power station shall be clearly marked with heat insulation and external lighting, indicating the supply department and the medium indicating the direction of medium flow.
arrow.
5.1.9 Steam heating management personnel shall formulate the equipment inspection in accordance with the needs of the hospital and the routine inspection requirements provided by the manufacturer.
Time, route, inspection content, conduct inspections, find faults and hidden dangers and deal with them in a timely manner, and record truthfully.
5.1.10 Before operating, the operating personnel shall do safety protection and equipment inspection according to the operating procedures.
5.1.11 The steam heating system shall perform equipment maintenance in accordance with the plan. Maintenance plans should take into account service requirements recommended by the manufacturer and the maintenance manual shall include a description of the maintenance process, the frequency of work, the person in charge of the work, and record requirements.
5.1.12 All equipment maintenance activities should be performed in accordance with the technical instructions of the manufacturer of the steam heating system, and special attention should be paid to.
a) the performance of the system and its components;
b) whether the components are excessively worn;
c) Steam quality.
5.1.13 In addition to the inspection, testing, and inspection of steam heating system equipment maintenance, the system should be arranged according to the frequency recommended by the manufacturer.
Thoroughly overhaul.
5.1.14 The steam heating system equipment maintenance plan shall include functional testing of the backup system and alarm system to ensure that it can be used when needed.
5.1.15 The hospital shall ensure adequate spares as recommended by the manufacturer.
5.1.16 Repair of any faulty component of the steam heating system shall be carried out in accordance with the technical specifications provided by the manufacturer.
5.1.17 Any repaired and tested instruments in the steam heating system shall be calibrated in accordance with the relevant standards and the results recorded.
5.1.18 When an abnormal or fault occurs in the operating equipment, the operating operator shall immediately stop and report to the superior. If an electric shock occurs, in case of an explosion or fire, the officer on duty should first cut off the power supply and perform rescue treatment before reporting to the superior.
5.1.19 When the operating operator finds that the steam consumption is abnormal, he should immediately report it to his supervisor. After receiving the report, the supervisor should immediately organize people.
Inspected.
5.2 Steam boiler
5.2.1 The boiler body, burner, auxiliary equipment, safety accessories, measuring instruments, monitoring devices and smoke, wind, water, electricity, Gas and combustion systems, after all preparations are completed, they should report to the dispatcher to confirm that they have ignition conditions.
5.2.2 The ignition temperature of the boiler should be slow, and the water level of the boiler, the pressure of the boiler, the flame of the furnace and the safety accessories should be closely monitored.
Should be adjusted to ensure that the boiler is operating normally.
5.2.3 The boiler should not be started and stopped frequently. The operating operators shall inspect and record according to regulations, and strengthen the monitoring of operating equipment. Water level and the pressure remained stable, and the cause of the abnormality was identified in time.
5.2.4 The operation operator should perform sewage discharge work on a regular basis. Periodic drainage should be carried out under low loads, while water levels should be strictly monitored.
5.2.5 During the operation of the boiler, if any of the following conditions occur, the furnace should be stopped immediately.
a) the boiler water level is below the lowest visible edge of the water level gauge;
b) Continue to increase water supply and take other measures, but the water level continues to fall;
c) The boiler water level exceeds the highest visible water level (full water), but the water level cannot be seen after the water is discharged i
d) All feedwater pumps fail or the feedwater system fails, and water cannot be fed to the boiler;
e) All water level gauges or safety valves have failed;
f) all pressure gauges installed in the steam space have failed;
g) boiler components are damaged and endanger the safety of operating personnel;
h) The combustion equipment is damaged, the furnace wall is down or the boiler frame is burnt red, etc., which seriously threatens the safe operation of the boiler;
i) Other abnormal conditions endanger the safe operation of the boiler.
5.2.6 When an accident occurs in the boiler, the emergency response plan shall be started and the cause of the accident shall be analyzed.
5.3 Thermal network
5.3.1 Basic requirements
5.3.1.1 The heat pipe network system shall meet the requirements of CJJ 34 and GB/T 12712.
5.3.1.2 Equipment and pipeline insulation shall be implemented in accordance with the requirements of GB/T 4272 and GB/T 8175.
5.3.1.3 All pipes and accessories shall be leak-free.
5.3.1.4 The outer surface of the heat pipe trench and accessories shall be free from damage, and the inside of the pipe trench shall be clean and free of debris.
5.3.2 Operation
5.3.2.1 The operating personnel shall be able to open and stop the wide network door after receiving instructions from relevant departments.
except.
5.3.2.2 The system regulation shall be strengthened to solve the problem of thermal pipe network imbalance.
5.3.3 Inspection
5.3.3.1 Every day check all kinds of valves, exhaust valves, etc. for leaks, whether the switches are flexible, whether the packing is full, and the regulating valves, balance valves and Whether the setting value of the force flow control valve is accurate.
5.3.3.2 The integrity of heat metering control devices such as heat meters, heat distribution meters, constant temperature readings, and intelligent heat control valves should be checked weekly, and Proofreading.
5.3.3.3
5.3.3.4
Find the cause and cure it thoroughly.
5.3.3.5 It should be checked monthly
Damage and loss
Corrosion or fracture phenomenon, manhole cover should not
5.4.1 The trap should meet GB/T 127
5.4.2 The person in charge of heating operation management shall formulate operating procedures and record files before operation.
The operation is standardized, and records are prepared according to their respective characteristics.
5.4.3 The person in charge of heating operation management shall formulate corresponding inspection rules, draw inspection road maps and accidents according to the characteristics of each unit's own system.
Emergency measures.
5.4.4 Heating operation personnel should be familiar with the equipment load performance and trap characteristics, and make relevant operating records.
5.4.5 The heating operation personnel shall do safety protection and equipment inspection according to operating procedures before carrying out operations.
5.5 Decompression system
5.5.1 The pressure reducing valve shall meet the requirements of GB/T 12244.
5.5.2 The heating operation personnel shall inspect the equipment in accordance with the established inspection procedures and shall make corresponding records.
5.5.3 The heating operation personnel shall judge whether the equipment is operating normally based on the recorded information. If abnormality is found, equipment maintenance shall be performed in a timely manner.
5.5.4 When the pressure reducing system fails, the steam supply room of the system should be cut off in time, the backup system should work, and the relevant departments should be notified in time for processing.
5.6 Heat exchange system
5.6.1 The heat exchange system shall meet the requirements of CJJ 34.
5.6.2 The heating operation personnel shall start and stop the system equipment only after receiving the notification from the heating operation management department.
Except in case of accident.
6 Energy management
6.1 Measurement
6.1.1 The hospital shall measure and count energy consumption during the heating period, and establish a budget and cost accounting system.
6.1.2 The heating management department should accurately grasp the actual heating area of the unit and the user's thermal load, determine the consumption quota, and formulate the heating Budget and reasonable control of costs.
6.1.3 Hospitals shall establish quantitative statistics and assessment methods for heating costs, carry out cost accounting, and establish a reward and punishment system.
6.1.4 The hospital shall set up a heat output meter for the total output and a heat meter for each steam point, and accurately read the relevant information at the beginning and end of heating.
Data and statistical analysis, energy statistics management.
6.1.5 The hospital shall maintain,, repair and inspect the heat metering device, and establish management files.
6.2 Energy saving
6.2.1 Hospitals shall adopt energy-saving technical measures to achieve energy-saving and emission reduction of heating systems and ensure that various environmental protection indicators meet standards.
6.2.2 The hospital shall establish and operate an energy-saving management system and a statistical analysis management system, and organize training and implementation.
6.2.3 The hospital shall adopt appropriate energy-saving technical measures (such as climate compensation technology, waste heat recovery technology, boiler concentration Control techn...
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 9 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4272General principles of thermal insulation technique for equipment and pipes
- GB/T 8175Guide for design of thermal insulation of equipment and pipes
- GB/T 12244Pressure reducing valves - General requirements
- GB/T 12712Technical management requirements for condensate recovery and automatic steam traps of steam heating system
How to Download WS 437-2013
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 2
Checkout
Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).
- 3
Instant delivery (0–9 sec)
Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.
- 4
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 12244-2025 — Pressure reducing valves - General requirements
GB/T 12712-2023 — Technical management requirements for condensate recovery and automatic steam traps of steam heating system
GB/T 4272-2024 — General principles of thermal insulation technique for equipment and pipes
Secure payment via Stripe
Payments accepted
WS 437-2013
$344.00