Performance evaluation device for refractory material for hydrogen metallurgy blast furnace

Abstract

The utility model discloses a refractory material performance evaluation device for a hydrogen metallurgy blast furnace, which comprises a sealed heating furnace, one side of the sealed heating furnace is respectively communicated with a hydrogen management device assembly and a water vapor generator assembly, and the other side of the sealed heating furnace is communicated with a reaction gas cooling box through a reaction gas discharge pipeline. The reaction gas cooling box is connected with the tail gas component analyzer assembly, and the tail end of the tail gas component analyzer assembly is placed in the tail gas treatment tank. According to the refractory material performance testing device for the hydrogen metallurgy blast furnace, a refractory material can be placed in a high-temperature and high-pressure heating furnace and calcined in various mixed gas environments; according to the device, the reaction process of the refractory material sample is analyzed by calcining the refractory material sample, and meanwhile, the calcining tail gas can be absorbed and filtered, so that harmful components remained in the tail gas are prevented from diffusing into the air to cause harm to the body of a worker.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydrogen metallurgical processing equipment field, specifically is a kind of refractory performance evaluation device for hydrogen metallurgical blast furnace. BACKGROUND

[0002] As a new strategic energy, hydrogen energy has the advantages of zero pollution and zero emission, and is regarded as one of the most potential clean energies in the 21st century, and has become a new trend of green development in the steel industry.

[0003] There are many studies on hydrogen metallurgical process at home and abroad, and some enterprises have begun to carry out industrial application construction. Hydrogen-based ironmaking projects are more researched, and are applied in the process of blast furnace and non-blast furnace ironmaking. As a basic material for high-temperature industry, the long-term stable use of refractory materials under the condition of hydrogen metallurgical process is one of the conditions for the industrialization development of hydrogen metallurgical process, and the application basic research of refractory materials for hydrogen metallurgical process needs to be promoted. However, in the hydrogen metallurgical process, there is little research on the service behavior of refractory materials under hydrogen, water vapor and mixed atmosphere, therefore, it is urgent to carry out research and development and application basic research of new refractory materials under hydrogen metallurgical process. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims to provide a kind of refractory performance evaluation device for hydrogen metallurgical blast furnace, to solve the problem of little research on the service behavior of refractory materials under hydrogen, water vapor and mixed atmosphere and insufficient performance cognition in the above background technology.

[0005] The utility model uses the following technical solutions to achieve the above utility model purposes:

[0006] A kind of refractory performance evaluation device for hydrogen metallurgical blast furnace, one side of the sealing heating furnace of the evaluation device is communicated with hydrogen management device assembly and water vapor generator assembly respectively, the other side of the sealing heating furnace is communicated with reaction gas cooling box via reaction gas discharge pipeline, the reaction gas cooling box is connected with tail gas component analyzer assembly, and the tail end of the tail gas component analyzer assembly is placed in tail gas treatment tank;The tail gas component analyzer assembly includes tail gas shunt pipe connected with the reaction gas cooling box and tail gas discharge pipe connected with the tail gas treatment tank, and a carbon monoxide gas analyzer, a hydrogen gas analyzer, a methane gas analyzer and a carbon dioxide gas analyzer are installed in parallel between the tail gas shunt pipe and the tail gas discharge pipe.

[0007] A pressure gauge and an electric valve are installed on the reaction gas discharge pipeline.

[0008] The reaction gas discharge pipeline is communicated with the reaction gas cooling box by vacuum pump.

[0009] The tail gas treatment tank has cuprous chloride solution and carbon tetrachloride solution.

[0010] By adopting the technical scheme, the hydrogen metallurgical blast furnace refractory material performance testing device has the beneficial effects that:

[0011] The hydrogen metallurgical blast furnace refractory material performance testing device can place the refractory material in the heating furnace with high temperature and high pressure, calcine in various mixed gas environments, and then detect tail gas components generated after calcination, so as to analyze the reaction process of the refractory material sample, and the calcination tail gas can be absorbed and filtered, so that harmful components remaining in the tail gas are prevented from diffusing into the air to cause harm to the body of the worker; the hydrogen metallurgical blast furnace refractory material performance testing device can clearly determine the damage mechanism of the refractory material under H2, CO, H2O and mixed atmosphere, and the evolution behavior of the microstructure of the main component and the secondary component of the refractory material under the service condition, develop the erosion and damage mechanism theory of the refractory material, and provide a theoretical basis for scientific configuration of the hydrogen metallurgical high-temperature device refractory material, research on new materials, and long service life of the furnace lining. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Fig. 1 It is a schematic diagram of the principle structure of the present application;

[0014] Fig. 2 It is a schematic diagram of the tail gas component analyzer assembly structure of the present application.

[0015] 1, hydrogen management device assembly; 2, water vapor generator assembly; 3, sealed heating furnace; 4, reaction gas discharge pipeline; 5, vacuum pump; 6, pressure gauge; 7, electric valve; 8, reaction gas cooling box; 9, tail gas component analyzer assembly; 10, tail gas treatment tank; 901, carbon monoxide gas analyzer; 902, hydrogen gas analyzer; 903, methane gas analyzer; 904, carbon dioxide gas analyzer; 905, tail gas shunt pipe; 906, tail gas discharge pipe. DETAILED DESCRIPTION

[0016] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Referring to Figs. 1-2 A hydrogen metallurgical blast furnace refractory material performance evaluation device, including a sealed heating furnace 3, the sealed heating furnace 3 one side is linked with hydrogen management device assembly 1 and water vapor generator assembly 2 respectively, the other side of sealed heating furnace 3 is communicated with reaction gas cooling box 8 via reaction gas discharge pipeline 4, reaction gas cooling box 8 is connected with tail gas component analyzer assembly 9, the tail end of tail gas component analyzer assembly 9 is placed in tail gas treatment tank 10.

[0018] Specifically, a pressure gauge 6 and an electric valve 7 are installed on the reaction gas discharge pipeline 4, which is convenient for real-time viewing and controlling the speed of the gas flowing through the reaction gas discharge pipeline 4 after calcination of the sealed heating furnace 3 by using the pressure gauge 6 and the electric valve 7.

[0019] Specifically, the reaction gas discharge pipeline 4 is communicated with the reaction gas cooling box 8 through a vacuum pump 5, which is convenient for controlling the flow rate of the gas introduced into the reaction gas cooling box 8 by the vacuum pump 5, so as to ensure the tail gas cooling quality and improve the subsequent detection accuracy.

[0020] Specifically, the tail gas component analyzer assembly 9 includes a tail gas shunt pipe 905 connected with the reaction gas cooling box 8 and a tail gas discharge pipe 906 connected with the tail gas treatment tank 10, and a carbon monoxide gas analyzer 901, a hydrogen gas analyzer 902, a methane gas analyzer 903 and a carbon dioxide gas analyzer 904 are installed in parallel between the tail gas shunt pipe 905 and the tail gas discharge pipe 906, which is convenient for measuring the gas composition and content generated by calcination of the refractory material in the sealed heating furnace 3 by using the carbon monoxide gas analyzer 901, the hydrogen gas analyzer 902, the methane gas analyzer 903 and the carbon dioxide gas analyzer 904 respectively, so as to analyze the reaction process of the refractory material sample calcined in the high-temperature and high-pressure mixed gas environment.

[0021] Specifically, the tail gas treatment tank 10 includes cuprous chloride solution and carbon tetrachloride solution, which is convenient for absorbing and filtering the carbon monoxide and methane contained in the calcined tail gas by using the tail gas treatment tank 10, so as to avoid the harmful components remaining in the tail gas from diffusing into the air to cause harm to the body of the workers.

[0022] Working principle: when using the device, first place the refractory to be tested in the high-temperature and high-pressure sealed heating furnace 3, and use the hydrogen management device assembly 1 and the water vapor generator assembly 2 to inject mixed gas containing carbon monoxide, methane, water vapor and hydrogen into the sealed heating furnace 3, and calcine the refractory in the sealed heating furnace 3 in various mixed gas environments, the gas generated after calcination is pushed by the vacuum pump 5, cooled in the reaction gas cooling box 8, and then enters the tail gas component analyzer assembly 9, the tail gas component and content of the refractory after calcination in the high-temperature and high-pressure mixed gas environment are detected by the tail gas component analyzer assembly 9, and the detection results are fed back to the external data processing system for analysis, so as to analyze the reaction process of the refractory sample during calcination, and the tail gas after detection is discharged into the tail gas treatment tank 10, and the harmful gas contained in the tail gas is absorbed and filtered by the tail gas treatment tank 10, and the treated tail gas is discharged into the air.

[0023] In the description of the present application, the terms "connection", "installation", "fixation", "arrangement" and the like are broadly understood, for example, "connection" can be fixed connection or indirect through intermediate components without affecting the relationship between components and technical effects, it can also be integrated connection or partial connection, as the case may be for a person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances, in the present application, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse" and "longitudinal" are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. Finally, it should be noted that when describing the position of each component and the cooperation relationship between them, one pair of components is usually used as an example, however, those skilled in the art should understand that such position and cooperation relationship is also applicable to other components or other pairs of components.

[0024] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A device for evaluating the properties of a refractory material for a hydrogen metallurgical furnace, characterized in that it comprises: The side of the sealed heating furnace of the evaluation device is communicated with the hydrogen management device assembly and the water vapor generator assembly respectively, the other side of the sealed heating furnace is communicated with the reaction gas cooling box through a reaction gas exhaust pipeline, the reaction gas cooling box is connected with a tail gas component analyzer assembly, and the tail end of the tail gas component analyzer assembly is placed in a tail gas treatment tank; the tail gas component analyzer assembly comprises a tail gas shunt pipe connected with the reaction gas cooling box and a tail gas exhaust pipe connected with the tail gas treatment tank, and a carbon monoxide gas analyzer, a hydrogen gas analyzer, a methane gas analyzer and a carbon dioxide gas analyzer are installed in parallel between the tail gas shunt pipe and the tail gas exhaust pipe.

2. A device for evaluating the performance of a refractory material for a hydrogen metallurgical furnace according to claim 1, characterized in that: A pressure gauge and an electric valve are installed on the reaction gas exhaust pipeline.

3. A device for evaluating the performance of a refractory material for a hydrogen metallurgical furnace according to claim 1, characterized in that: The reaction gas exhaust pipeline is communicated with the reaction gas cooling box through a vacuum pump.

4. The device for evaluating the performance of a refractory material for a hydrogen metallurgical furnace according to claim 1, characterized in that: The tail gas treatment tank contains cuprous chloride solution and carbon tetrachloride solution.

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