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Composite building material and intelligent temperature control system

A technology of composite building materials and phase change materials, which is applied in the field of composite building materials and intelligent temperature control systems, can solve the problems of low conversion utilization rate, high heating cost, low thermal efficiency, etc., and achieves clean heating, low cost, and improved economic benefits. Effect

Active Publication Date: 2021-10-08
五矿勘查开发有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Using fossil fuels for heating to generate greenhouse gases will cause serious harm to the environment; using natural gas for heating has a low energy conversion utilization rate, resulting in energy waste and high heating costs; using water heating for heating, laying pipelines between floors, its thermal efficiency is low , especially for single-story buildings and industrial plants, a large part of the heat is diffused downward; therefore, a new type of energy-saving wall is urgently needed

Method used

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  • Composite building material and intelligent temperature control system
  • Composite building material and intelligent temperature control system
  • Composite building material and intelligent temperature control system

Examples

Experimental program
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Effect test

Embodiment 1

[0056] This embodiment provides a composite wall, such as figure 1 As shown, it includes an electric heating layer 1, an energy storage layer 2 and an insulation layer 3 that are laminated sequentially from indoor to outdoor.

[0057] Among them, in terms of mass percentage, the raw materials of the electric heating layer 1 include: 15% of spherical graphite tailings, 25% of cement, 55% of fine aggregate, and 5% of reinforcing materials (steel fibers with an aspect ratio of 30); among them, graphite waste The fine aggregate prepared from stone and graphite tailings (mass ratio 1:1) accounts for 20% of the total fine aggregate, and the rest is silica sand.

[0058] In terms of mass percentage, the raw materials of the energy storage layer 2 include: 10% cement, 70% fine aggregate, 5% graphite (spherical graphite tailings), 15% phase change material; fine aggregate prepared from graphite waste rock and graphite tailings It accounts for 20% of the total amount of fine aggregate,...

Embodiment 2

[0069] This embodiment provides a composite wall, which includes an electric heating layer, an energy storage layer and a thermal insulation layer that are laminated sequentially from indoor to outdoor.

[0070] Among them, in terms of mass percentage, the raw materials of the electric heating layer include: 13% of spherical graphite tailings, 20% of cement, 65% of fine aggregate, and 2% of reinforcing materials (steel fibers with an aspect ratio of 50); among them, graphite waste rock and The fine aggregate prepared from graphite tailings (mass ratio 1:1) accounts for 30% of the total fine aggregate, and the rest is silica sand.

[0071] In terms of mass percentage, the raw materials of the energy storage layer include: 40% cement, 45% fine aggregate, 5% graphite (spherical graphite tailings), 10% phase change material; fine aggregate prepared from graphite waste rock and graphite tailings accounted for 30% of the total amount of fine aggregate, and the rest of the fine aggre...

Embodiment 3

[0094] This embodiment provides an intelligent temperature control system, which includes a composite wall, a temperature sensor, a humidity sensor, a DC stabilized power supply and a PID controller. The temperature sensor and humidity sensor are installed on the indoor surface of the composite wall to monitor the temperature and humidity of the room and the wall; the DC stabilized power supply is connected to the electric heating layer in the composite wall to transmit the electric energy generated by photovoltaic power generation or small wind power The PID controller is connected to the temperature sensor, humidity sensor, and DC stabilized power supply respectively, and controls the DC stabilized voltage according to the indoor temperature and humidity collected by the temperature sensor and humidity sensor, combined with factors such as usage scenarios and ambient temperature differences. The situation of the piezoelectric power supply switch and the magnitude of the volta...

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Abstract

The invention provides a composite building material and an intelligent temperature control system. The composite wall body prepared from the composite building material comprises an electric heating layer, an energy storage layer and a heat preservation layer which are attached to one another, wherein the energy storage layer is prepared from cement, fine aggregate, graphite and a phase change material. The invention further provides an intelligent temperature control system, which comprises a temperature sensor, a power supply, a PID controller and the composite wall body, wherein the power supply is used for heating the electric heating layer in the composite wall body, the temperature sensor is used for monitoring the temperature change of the composite wall body, and the PID controller is used for controlling the power supply and processing data collected by the temperature sensor. According to the composite wall body, heat conduction and electric conductivity of graphite are fully exerted, electric energy supplied by the outside can be transferred into heat for heating, heat energy can be stored when the environment temperature is high, heat energy can be automatically released when the environment temperature is lowered, and the composite wall body has the advantages of being long in heating continuity and low in energy consumption.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a composite building material and an intelligent temperature control system. Background technique [0002] my country is the world's largest graphite resource country and the largest producer of raw materials. Its output, consumption and international trade volume have long ranked first in the world. In the existing development and utilization of graphite resources, the solid waste discharge is large, the discharge is concentrated, the regional environmental pollution is serious, and the comprehensive utilization rate of resources is low. At present, relevant research at home and abroad is mainly focused on the resource utilization of a single solid waste, and there is a lack of multi-source solid waste source reduction and collaborative utilization technology system, which seriously restricts the high-quality development of the graphite industry. [0003] Spherical g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B24/36
CPCC04B28/02C04B40/0039C04B2103/0071C04B2201/50C04B2201/32C04B14/024C04B14/48C04B14/06C04B24/36C04B14/185Y02W30/91
Inventor 王炯辉王斌陈道贵张喜高惠民李相国任子杰
Owner 五矿勘查开发有限公司
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