NB/T 10464.5-2020Procurement specification for solar thermal utilization systems - Part 5: Solar space heating system (English PDF)

Foreword

This document starts from the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" grass.

This document is the fifth part of NB/T 10464 "Technical Specifications for Procurement of Solar Thermal Utilization Systems". NB/T 10464 has released the following section.

--Part 1 General Rules;

--Part 2 Domestic solar water heating system;

--Part 3 solar hot water project;

--Part 4 Household solar heating system;

--Part 5 Solar Heating Project;

--Part 6: Solar energy industry and agricultural heating projects.

1 Scope

This document specifies the basic requirements, design, quality, construction and acceptance, after-sales service and operation and maintenance of solar heating projects. Claim.

This document is applicable to bidding activities for the procurement and ordering of solar heating projects.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated reference documents, Only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document file.

GB/T 5657 Technical requirements for centrifugal pumps (Class III)

GB/T 12936 Terminology for Solar Thermal Utilization

GB/T 13008 Technical conditions for mixed flow pumps and axial flow pumps

GB 14536.1 Household and similar electric automatic controllers Part 1: General requirements

GB/T 17581 Vacuum tube solar collector

GB/T 19409 Water (ground) source heat pump unit

GB/T 19775 Glass-metal sealed heat pipe vacuum solar collector tube

GB/T 24767 Solar gravity heat pipe

GB/T 25127.1 Low ambient temperature air source heat pump (chiller) unit Part 1: Industrial or commercial heat pump (cold water) for similar purposes Water) unit

GB/T 26975 All-glass heat pipe vacuum solar collector tube

GB/T 26976 Technical requirements for solar air collectors

GB 50242 Code for acceptance of construction quality of building water supply and drainage and heating engineering

GB 50243 Code for acceptance of construction quality of ventilation and air-conditioning engineering

GB 50300 Unified Standards for Construction Quality Acceptance of Building Engineering

GB 50495-2019 Technical Standards for Solar Heating Engineering

JB/T 10393 Technical conditions of electric heating boiler

JGJ 142 Technical Regulations for Radiant Heating and Cooling

JGJ/T 267-2012 Passive Solar Building Technical Code

NB/T 10151-2019 Northern Rural Household Solar Heating System Performance Test and Evaluation Method

NB/T 10153 Technical Specification for Real-time Monitoring of Solar Heating System

NB/T 10464.1 Technical Specification for Procurement of Solar Thermal Utilization System Part 1: General Rules

NB/T 34023 Solar water heater enamel hot water storage tank

NB/T 34034 Air source heat pump water heater enamel hot water storage tank

NB/T 34042 heating enamel hot water storage tank

NB/T 34043 Stainless steel atmospheric hot water storage tank for solar hot water project

NB/T 34044 Technical Specification for Seasonal Thermal Storage and Solar Thermal Utilization Engineering

NB/T 34070 Technical Specification for All-Glass Vacuum Solar Collector Tube

NB/T 34074 Technical Specification for Flat Panel Solar Collector

NB/T 47034 technical requirements for industrial boilers

3 Terms and definitions

The terms and definitions defined in GB/T 12936, GB 50495-2019 and NB/T 10464.1 apply to this document.

4 Basic requirements

4.1 The general rules for the procurement of solar heating projects shall comply with the provisions of NB/T 10464.1.

4.2 The general rules of solar heating projects should meet the requirements of Chapter 1 in GB 50495-2019.

4.3 When the purchaser has special technical requirements for the functions and key equipment of the solar heating project, it shall be clearly stated in the procurement documents, and the inspection shall be stipulated. Verification methods and evaluation indicators.

4.4 In the design stage of solar heating projects, benefit analysis should be carried out, and the monitoring system should be designed in accordance with NB/T 10153.

4.5 In the actual operation stage of solar heating projects, long-term monitoring and heating metering should be carried out, and benefit evaluation should be carried out on the basis of monitoring.

5 Design requirements

5.1 The planning, architectural design and technical integration design of the passive solar house shall comply with the requirements of Chapter 4 and Chapter 5 in JGJ/T 267-2012.

5.2 The general regulations, overall design, enclosure structure and passive solar heat collection and storage components of passive solar heating shall comply with GB The provisions of Chapter 3 in 50495-2019.

5.3 System selection, system load calculation, solar heat collection system design and solar heat storage system of active solar heating system The design should meet the requirements of Chapter 4, Chapter 5 and Chapter 6 in GB 50495-2019. Seasonal heat storage system should also comply with NB/T 34044 Requirements.

5.4 The design documents should include the annual conventional energy replacement amount, annual cost savings, annual carbon dioxide emission reduction, static investment payback period, and The cost-effectiveness ratio and other indicators of the benefit analysis calculation book.

5.5 The flow design of the pipe network of the solar collector system should meet the requirements of 5.2.3~5.2.5 in GB 50495-2019.

6 Quality requirements

6.1 The technical requirements for key components of solar heating projects shall meet the requirements in Table 1. For other technical requirements, please refer to Appendix A.

6.2 The key components of the solar heating project should be provided with an inspection report issued by a third-party quality inspection agency with corresponding qualifications.

For products with the same model and production date within 2 years of the delivery date, other parts, materials and accessories should provide conformity certification documents.

7 Construction and acceptance requirements

7.1 The construction should be undertaken by an independent legal person organization with construction qualifications. According to the structural characteristics and scale of the solar heating project, the construction unit Should have the corresponding qualification level.

7.2 The construction organization design should be prepared before the construction of the solar heating project. The construction, acceptance and performance evaluation of the passive solar house should comply with JGJ/T According to the provisions of Chapter 6 and 7.3 in 267-2012, the construction and commissioning of solar heating projects shall comply with GB 50300 and GB 50495-2019.

According to the provisions of 5.3, 6.4, 7.1 and 7.2, when constructing synchronously with the construction project, attention should be paid to the coordination and cooperation with the main structural project and other sub-projects.

7.3 The construction of the heating system at the end of the low-temperature hot water floor radiation shall comply with the requirements of JGJ 142, and the construction of the heating system at the end of the fan coil shall comply with the According to the provisions of GB 50243, the construction of the heating system at the end of the radiator shall comply with the provisions of GB 50242.

7.4 The purchaser may conduct sampling inspections on the key components transported to the construction site. Inspection items, sampling quantity and judgment rules are negotiated by both parties determine.

7.5 After the completion of the construction of the solar heating project, according to the contract and design documents, a third-party inspection agency with corresponding qualifications shall be entrusted according to NB/T 10151-2019 stipulates in the inspection and evaluation, the performance test does not meet the contract and design documents of the project will not be accepted.

7.6 If the thermal performance inspection is unqualified, the construction unit shall make rectification, and the project that is still unqualified after rectification shall not be accepted.

8 After-sales service requirements

8.1 The warranty period of solar heating projects should be no less than 3 years, and it should be clearly stated in the purchase contract.

8.2 The after-sales service of the key components of the solar heating project shall comply with the relevant national standards or industry standards.

8.3 During the service life of the solar heating project, the service party shall provide on-site maintenance at least once a year. Appears within the warranty period Quality problems shall be repaired by the service party free of charge; quality problems occurring outside the warranty period shall be repaired by the service party for a fee..

8.4 The purchaser shall clearly indicate the period of after-sales service response and on-site service in the contract, and the service party shall respond to the user in a timely manner according to the requirements of the purchase contract The after-sales service requirements.

9 Operation and maintenance requirements

9.1 After the completion and acceptance of the solar heating project, the purchaser or the contractual operating unit shall be responsible for operation and maintenance.

9.2 The supplier shall conduct operation maintenance and safety operation training for the operating unit before delivery.

9.3 The operation and maintenance of the passive solar house shall comply with the provisions of 7.1 and 7.2 of JGJ/T 267-2012.

Appendix A (Informative)

Other components technical requirements implementation standards Refer to Table A.1 for the implementation standards for technical requirements of other components.