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A device and method for measuring the heating efficiency of a porous medium burner

A technology of porous media and heating efficiency, which is applied in the direction of measuring devices, lighting and heating equipment, instruments, etc., can solve the problems of difficult and accurate measurement of the heating efficiency of porous media burners, and achieve standardized measurement methods, accurate and reliable measurement data, and device Scientific and reasonable structure

Active Publication Date: 2022-07-19
WUHAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the heating efficiency of the porous media burner in the prior art is difficult to accurately measure, and to provide a scientific device and method for measuring the heating efficiency of the porous media burner, which is used to realize Accurate measurement of the heating efficiency of porous media burners under different conditions or variable angle coefficients and lining materials

Method used

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  • A device and method for measuring the heating efficiency of a porous medium burner
  • A device and method for measuring the heating efficiency of a porous medium burner
  • A device and method for measuring the heating efficiency of a porous medium burner

Examples

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Effect test

Embodiment 1

[0054] Embodiment 1: The present invention provides a device for measuring the heating efficiency of a porous medium burner, the structure of which is as follows: figure 1 shown. The device is equipped with a trolley-type test furnace, a porous medium burner, a movable water tank 5, a cylinder lifting mechanism 15, a water supply pipe network, an air supply pipe network, a smoke exhaust pipe network, a heat exchanger 31, a measurement system and a control system ; The measurement system is the flow meter, pressure gauge and thermocouple provided in the water supply pipe network, the gas supply pipe network and the smoke exhaust pipe network, and the described control system is used to control the water and gas regulation of each pipe network , the temperature, pressure and operating status of the console car-type test furnace.

[0055] The trolley-type test furnace is provided with a furnace shell 2, a furnace shell lining 3, a side-opening furnace door 1, a detachable furnac...

Embodiment 2

[0090] Example 2: The present invention uses the device for measuring the heating efficiency of a porous medium burner provided in Example 1, and its operation method is basically the same as that in Example 1, the only difference is the operation step 1), namely:

[0091] 1) Open the furnace door 1 of the trolley-type test furnace, move the trolley-type furnace bottom 20 to the outside of the furnace, and replace the material of the furnace shell lining 3 with a composite lining composed of clay bricks and diatomite bricks. After installing the porous medium burner in the cart-type furnace bottom, push the cart-type furnace bottom into the cart-type test furnace and close the furnace door; connect the mixed gas metal hose 21 on the mixed gas pipeline to the cart-type furnace bottom. Connect the inlet of the porous medium burner; adjust the distance between the movable water tank 5 in the furnace and the porous medium combustion panel 18; repeat the operation steps (2) to (9) i...

Embodiment 3

[0092] Example 3: Using the device for measuring the heating efficiency of a porous medium burner provided in Example 1 of the present invention, the operation steps are basically the same as those in Example 1, except that the operation step (5) is to adjust the movable water tank 5 in the furnace and the porous medium. The distance between the medium combustion panels 18, record the values ​​of the parameters listed in step (4); also through the data obtained by measurement, the fuel combustion heat Q of the device can be sorted out through the heat balance formula 烧 and Q 效 , and further calculate the heating efficiency η of the porous medium burner according to formula ⑺, that is, the measurement of the heating efficiency of the porous medium burner is completed.

[0093] This example is to measure the heating efficiency of the porous medium burner under the variable angle coefficient.

[0094] The device of the invention is scientific and reasonable in design, and the de...

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Abstract

The invention relates to a device and a method for measuring the heating efficiency of a porous medium burner. The device comprises a trolley-type test furnace, a porous medium burner, a movable water tank, a cylinder lifting mechanism, a water supply pipe network, an air supply pipe network, and a smoke exhaust pipe network. Pipe network, heat exchanger, measurement system and control system. The trolley-type test furnace is equipped with a detachable furnace top and a trolley-type furnace bottom, a porous medium burner is installed in the middle of the furnace bottom, and a movable water tank is installed in the furnace. The cylinder lifting mechanism can move up and down; the measurement method is to heat the water in the movable water tank through the porous medium burner, and measure the ratio of the heat taken away by the water to the fuel combustion heat to obtain the heating efficiency of the porous medium burner. The device of the invention is scientific and reasonable in design, and the determination method is standardized. The invention can realize the accurate measurement of the heating efficiency of the porous medium burner under changing working conditions, changing angle coefficients or changing furnace lining materials.

Description

technical field [0001] The invention relates to a device and method for measuring the heating efficiency of a porous medium burner. Background technique [0002] With the development of human beings and the advancement of science and technology, China's rapid economic development needs to consume a lot of energy, the demand for energy is increasing day by day, and the problem of energy shortage has also attracted more and more attention. Energy consumption is the first choice for saving energy. With rapid economic development, environmental protection needs to be taken into account, and the sustainable development path of harmonious development between humans and nature should be taken. Therefore, broaden energy supply channels, tap and develop low-grade or low-calorie energy sources, and seek efficient and clean combustion that is conducive to environmental protection. Technology, energy saving and emission reduction, realizing efficient and rational use of energy, and achi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M99/00G01D21/02F27B17/00
CPCG01M99/002G01D21/02F27B17/00
Inventor 陈元元陈逸维许学成李本文
Owner WUHAN UNIV OF SCI & TECH
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