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Solar heater, and system and method for producing biodiesel by utilizing solar energy

A solar collector and biodiesel technology, applied in solar heating systems, solar thermal energy, solar collectors, etc., can solve problems such as heating of biodiesel feedstocks that have not been seen before, and achieve widening production areas, enhancing mobility, catalyzing Strong alkaline effect

Inactive Publication Date: 2013-02-06
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although there are continuous reports on the use of solar energy to heat fossil fuel oil storage and crude oil transportation at home and abroad, there are no related reports on the use of solar energy to heat biodiesel feedstock oil and maintain equipment operation

Method used

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  • Solar heater, and system and method for producing biodiesel by utilizing solar energy
  • Solar heater, and system and method for producing biodiesel by utilizing solar energy
  • Solar heater, and system and method for producing biodiesel by utilizing solar energy

Examples

Experimental program
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Effect test

Embodiment 1

[0032]In this embodiment, the structure of the phase change thermal storage solar heater is as follows figure 1 , 2 As shown, it is composed of a phase change heat storage heater 1, a solar heat collector and a support 4 supporting the phase change heat storage heater and the solar heat collector. The structure of the phase change thermal storage heater 1 is as follows image 3 As shown, it includes an insulation box, a heat pipe 8, a heat exchange coil 7 and a phase change heat storage material; the insulation box is made of a cylindrical box 5-1 made of carbon steel and a polyurethane insulation layer coated on the outer wall of the box 5-2, the box wall is provided with a hole for pouring paraffin and rosin mixture, and is equipped with a hole plug 5-3; the heat pipe 8 is made of stainless steel 304, installed in the cylindrical box 5 -1 the lower part of the inner cavity; the heat exchange coil 7 is made of stainless steel 304, installed in the inner cavity of the cylind...

Embodiment 2

[0034] In this embodiment, the system for producing biodiesel using solar energy such as Figure 4 As shown, it includes the phase change thermal storage solar heater 11 described in Embodiment 1, the oil storage container 13 , the biodiesel equipment 15 , the circulation pump 12 , the control device 14 and the solar power source 16 .

[0035] The phase-change thermal storage type solar heater 11 is used to heat the grease raw material; the oil storage container 13 is provided with two oil inlets and two oil outlets, and is equipped with a liquid level gauge and a thermometer. The oil port is used to add unheated grease raw material, the first solenoid valve 131 is installed at the first oil inlet, and the second oil outlet is used to output the grease raw material heated to meet the temperature requirements, and the second oil outlet A second electromagnetic valve 132 is installed at the place, and the second electromagnetic valve is connected with the oil inlet of the biodie...

Embodiment 3

[0038] In this example, the system for producing biodiesel using solar energy described in Example 2 is used to produce biodiesel, the raw material of oil is jatropha oil, and the catalyst is calcium oxide. The preparation method of the catalyst is as follows: using calcium hydroxide as raw material, place the calcium hydroxide in a muffle furnace, calcinate at 800°C for 2 hours under normal pressure, then cool to room temperature with the furnace, take it out, and grind it with an 80-mesh sieve The calcium oxide powder obtained by screening is the catalyst.

[0039] In the present embodiment, the operation steps of producing biodiesel are as follows:

[0040] 1. Turn on the solar power supply 16 and the control device 14, under the control of the control device, add the rated jatropha oil in the oil storage container 13, and through the delivery of the circulation pump 12, make the oil raw material in the phase change regenerative solar heater The circulating flow between 11...

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Abstract

A phase change heat storage type solar heater consists of a phase change heat storage heater, a solar heat collector and a bracket for supporting the phase change heat storage heater and the solar heat collector, wherein the phase change heat storage heater comprises a heat-preserving box, a heat-conducting pipe, a heat exchange coiled pipe and a phase change heat storage material. A system for producing biodiesel by utilizing solar energy comprises the phase change heat storage type solar heater, an oil storage container, biodiesel equipment, a circulating pump, a control device and a solar power supply. A method for producing the biodiesel by utilizing the solar energy comprises the step of reacting by using the system for producing the biodiesel by utilizing the solar energy under normal pressure and at the temperature of between 50 and 70 DEG C, wherein methanol is added according to the molar ratio of the methanol to a grease raw material of 6:1; and the adding amount of calcium oxide is 2 to 6 percent of the mass of the grease raw material.

Description

technical field [0001] The invention belongs to the field of solar energy utilization and biodiesel production, and in particular relates to a solar heater and a system and method for producing biodiesel by utilizing solar energy. Background technique [0002] Under the double impact of energy crisis and environmental problems, the development of new energy, especially green renewable energy, is of great significance. As the main source of all energy on the earth, solar energy is an endless, pollution-free, clean and green energy. No matter where on the earth there is solar energy, which can be developed and utilized locally, and there is no transportation problem, especially for rural areas, islands and remote areas with underdeveloped transportation. In addition, the development and utilization of solar energy will not produce waste residue, waste water, waste gas, and noise, and will not affect the ecological balance, cause pollution and public nuisance, so it will becom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/05F24J2/24F24J2/34F24J2/10F24J2/30F24J2/46C11C3/04C11C3/10C10L1/02F24S10/30F24S10/40F24S10/70F24S23/70
CPCY02E50/13Y02E10/44Y02E50/10
Inventor 陈放张志林徐莺
Owner SICHUAN UNIV
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