Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

A kind of heat transfer heat storage medium and its preparation method and application

A heat storage medium, mass fraction technology, applied in lighting and heating equipment, chemical instruments and methods, solar heat storage, etc., can solve the problem that the maximum use temperature of molten salt needs to be further improved

Active Publication Date: 2021-09-14
GLOBAL ENERGY INTERCONNECTION RES INST CO LTD +2
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, the technical problem to be solved by the present invention is to overcome the defects of the prior art that the maximum service temperature of molten salt needs to be further improved, thereby providing a heat transfer heat storage medium and its preparation method and application

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A kind of heat transfer heat storage medium and its preparation method and application
  • A kind of heat transfer heat storage medium and its preparation method and application
  • A kind of heat transfer heat storage medium and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] This embodiment provides a heat transfer heat storage medium, including 4.818kg calcium nitrate, 4.272kg potassium nitrate and 0.91kg sodium carbonate;

[0035] The preparation method of the above-mentioned heat transfer heat storage medium comprises the following steps,

[0036] Use a high-precision analytical balance to weigh the above three components, and place them in a drying oven at 80°C for constant temperature drying for 48 hours to make the water in the mixture overflow; then heat up to 150°C for 48 hours to crystallize The water is fully overflowed; take it out and place it in a muffle furnace at 400°C and heat it for 12 hours, so that the mixture is completely melted and mixed evenly; after naturally cooling to room temperature, take it out to obtain a hard solid crystalline salt.

Embodiment 2

[0038] This embodiment provides a heat transfer heat storage medium, including 4.92kg calcium nitrate, 4.13kg potassium nitrate and 0.95kg sodium carbonate;

[0039] The preparation method of the above-mentioned heat transfer heat storage medium comprises the following steps,

[0040] Use a high-precision analytical balance to weigh the above three components, and place them in a drying oven at 80°C for constant temperature drying for 48 hours to make the water in the mixture overflow; then heat up to 150°C for 48 hours to crystallize The water is fully overflowed; take it out and place it in a muffle furnace at 400°C and heat it for 12 hours, so that the mixture is completely melted and mixed evenly; after naturally cooling to room temperature, take it out to obtain a hard solid crystalline salt.

Embodiment 3

[0042] This embodiment provides a heat transfer heat storage medium, including 4.818kg calcium nitrate, 4.272kg potassium nitrate and 0.91kg sodium carbonate;

[0043] The preparation method of the above-mentioned heat transfer heat storage medium comprises the following steps,

[0044] Use a high-precision analytical balance to weigh the above three components, and place them in a drying oven at 85°C for constant temperature drying for 48 hours to make the water in the mixture overflow; then heat up to 148°C for 49 hours to crystallize The water is fully overflowed; take it out and place it in a muffle furnace at 420°C and heat it for 11 hours, so that the mixture is completely melted and mixed evenly; after naturally cooling to room temperature, take it out to obtain a hard solid crystalline salt.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
thermal decomposition temperatureaaaaaaaaaa
melting pointaaaaaaaaaa
melting pointaaaaaaaaaa
Login to View More

Abstract

The invention belongs to the technical field of physical heat transfer and energy storage, and in particular relates to a heat transfer and heat storage medium and a preparation method and application thereof. The heat transfer and heat storage medium includes 40-50% calcium nitrate, 38-45% potassium nitrate and 9-13% sodium carbonate. These three components can form eutectic mixed molten salt, which can increase the thermal decomposition temperature of the heat transfer and heat storage medium. It is used in a wide operating temperature range to ensure the stability and uniformity of the eutectic phase and components, and has good thermophysical properties.

Description

technical field [0001] The invention belongs to the technical field of physical heat transfer and energy storage, and in particular relates to a heat transfer and heat storage medium and a preparation method and application thereof. Background technique [0002] Energy is the most important basis for the development of the national economy, and the large-scale development and utilization of conventional fossil energy has led to the depletion of energy. As the world's second largest energy production and consumption country, my country's energy crisis is particularly serious. At present, the per capita possession of coal and water resources in my country is only equivalent to 50% of the world level, and the per capita possession of oil and natural gas resources is only about 1 / 15 of the world average. Unbalanced energy resources, difficult development, backward energy utilization technology, and underground use make my country's energy consumption faster than other countries....

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C09K5/12F24S60/10
CPCC09K5/12F24S60/10Y02E10/40
Inventor 盛鹏赵广耀徐丽陈新吴玉庭
Owner GLOBAL ENERGY INTERCONNECTION RES INST CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com