A device for measuring pellet reduction reaction
Patent Information
- Application Number
- CN202522397842.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-11-12
AI Technical Summary
[0003]然而,现有球团矿还原反应测量装置存在诸多不足:其温度控制精度低,反应炉内温度波动较大,难以模拟实际生产中的稳定反应环境,导致测量结果偏差;气氛控制灵活性不足,无法精准调节还原气体的成分及比例,且气体流量稳定性差,影响还原反应的一致性;这些问题制约了对球团矿还原反应机理的深入研究,因此我们提出了一种用于球团矿还原反应测量装置
[0015] (1) The present invention provides a measuring device for pellet reduction reaction. The gas source cylinder can provide a variety of reducing gases such as hydrogen and carbon monoxide. After being mixed in proportion by the gas mixer, the gas flow rate is precisely controlled by the flow control valve and delivered to the reaction furnace. The vacuum component is used to pre-extract air from the furnace to avoid interference from impurity gases, ensure the purity and stability of the reducing atmosphere, and provide a consistent gas environment for pellet reduction reaction.
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Figure CN224861455U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pellet reduction reaction technology, and in particular to a measuring device for pellet reduction reaction. Background Technology
[0002] In the metallurgical industry, the reduction reaction performance of pellets is an important indicator for evaluating their metallurgical quality. Accurately measuring various parameters in the reduction reaction process (such as the degree of reduction, reaction rate, and changes in gas composition) is of great significance for optimizing the pellet production process.
[0003] However, existing pellet reduction reaction measurement devices have many shortcomings: their temperature control accuracy is low, the temperature fluctuation inside the reactor is large, making it difficult to simulate the stable reaction environment in actual production, resulting in measurement deviations; the atmosphere control is not flexible enough, making it impossible to accurately adjust the composition and ratio of reducing gas, and the gas flow rate is unstable, affecting the consistency of the reduction reaction; these problems restrict in-depth research on the pellet reduction reaction mechanism, so we propose a pellet reduction reaction measurement device. Utility Model Content
[0004] In view of this, this application provides a measuring device for the reduction reaction of pellet ore, which aims to solve the above-mentioned technical problems.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A device for measuring the reduction reaction of pellet ore includes a device body, a reaction furnace body fixedly installed on the top of the device body, a furnace door rotatably installed on the front side of the reaction furnace body, a sample placement stage fixedly installed on the bottom inner wall of the reaction furnace body, and temperature control components provided on the device body and the reaction furnace body.
[0007] Preferably, the temperature control component includes a heating tube, a temperature sensor, and an insulation layer. The heating tube is fixedly installed on the inner wall of the reactor body, the temperature sensor is fixedly installed on the top inner wall of the reactor body, and the insulation layer is fixedly installed on the outer side of the reactor body.
[0008] Preferably, a gas supply assembly is fixedly installed on the top of the device body. The gas supply assembly includes a gas cylinder, a gas pipeline, and a flow control valve. The gas cylinder is fixedly installed on the top of the reactor body. One end of the gas pipeline is connected to the gas cylinder, and the other end of the gas pipeline extends to the inside of the reactor body. The flow control valve is fixedly installed on the outside of the gas pipeline.
[0009] Preferably, the gas supply assembly further includes a gas mixer, which is fixedly installed on the outside of the gas pipeline and located between the flow control valve and the reactor body.
[0010] Preferably, a measuring component is fixedly installed on the inner side of the reactor body. The measuring component includes a weighing sensor, a gas sampling tube, and a gas analyzer. The weighing sensor is fixedly installed at the bottom of the sample placement stage, the gas sampling tube is fixedly installed on the inner side of the reactor body, and the gas analyzer is fixedly installed on the top of the device body. One end of the gas sampling tube is connected to the gas analyzer.
[0011] Preferably, a vacuum assembly is fixedly installed on the outside of the reactor body. The vacuum assembly includes a vacuum pump and a vacuum pipe. The vacuum pump is fixedly installed on the top of the device body. One end of the vacuum pipe is connected to the vacuum pump, and the other end of the vacuum pipe is connected to the reactor body. A vacuum valve is fixedly installed on the outside of the vacuum pipe.
[0012] Preferably, a control system is fixedly installed on the left side of the device body. The control system includes a controller and a control panel. The controller is fixedly installed on the inner side of the device body, and the control panel is fixedly installed on the front side of the device body. The control panel is electrically connected to the controller, and the controller is electrically connected to the temperature control component, the gas supply component, the measurement component, and the vacuum component, respectively.
[0013] Preferably, an observation window is fixedly installed on the front side of the reactor body, a support leg is fixedly installed on the bottom of the device body, and an anti-slip pad is fixedly installed on the bottom of the support leg.
[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0015] (1) The present invention provides a measuring device for pellet reduction reaction. The gas source cylinder can provide a variety of reducing gases such as hydrogen and carbon monoxide. After being mixed in proportion by the gas mixer, the gas flow rate is precisely controlled by the flow control valve and delivered to the reaction furnace. The vacuum component is used to pre-extract air from the furnace to avoid interference from impurity gases, ensure the purity and stability of the reducing atmosphere, and provide a consistent gas environment for pellet reduction reaction.
[0016] (2) The present invention provides a measuring device for the reduction reaction of pellets. The weighing sensor monitors the weight change of the pellets in real time during the reduction reaction process, reflecting the degree of reduction and the reaction rate. The gas sampling tube collects the reaction gas in the furnace, and the composition change is analyzed by the gas analyzer, which can be used to study the reaction mechanism in depth. All parameters are recorded and analyzed synchronously by the controller, realizing a comprehensive evaluation of the reduction reaction and overcoming the shortcomings of traditional devices with single measurement parameters. The controller of the control system integrates the control logic of various components such as temperature, gas source, and measurement. The reaction parameters can be preset through the control panel to realize the automatic control of the reduction reaction process. It reduces manual operation steps, reduces human error, shortens the measurement cycle, and improves measurement efficiency and data reliability.
[0017] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0018] Figure 1 This is a three-dimensional structural diagram of a pellet reduction reaction measuring device proposed in this utility model;
[0019] Figure 2 A schematic diagram showing a three-dimensional view of a portion of the structure of a gas supply assembly provided according to an embodiment of this application;
[0020] Figure 3 A schematic diagram of a three-dimensional view of a partial structure of a pellet reduction reaction measuring device provided according to an embodiment of this application is shown;
[0021] Figure 4 A schematic diagram showing a three-dimensional view of a portion of the structure of a vacuum assembly provided according to an embodiment of this application is shown.
[0022] Figure label:
[0023] 1. Main body of the device; 2. Furnace body; 3. Furnace door; 4. Sample placement stage; 5. Temperature control assembly; 51. Heating tube; 52. Temperature sensor; 53. Insulation layer; 6. Gas supply assembly; 61. Gas source cylinder; 62. Gas pipeline; 63. Flow control valve; 64. Gas mixer; 7. Measurement assembly; 71. Weighing sensor; 72. Gas sampling tube; 73. Gas analyzer; 8. Vacuum assembly; 81. Vacuum pump; 82. Vacuum pipeline; 83. Vacuum valve; 9. Control system; 91. Controller; 92. Control panel; 10. Observation window; 11. Support leg; 12. Anti-slip mat. Detailed Implementation
[0024] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given below in conjunction with the accompanying drawings;
[0025] The structure of this utility model will now be described in detail with reference to the accompanying drawings.
[0026] refer to Figure 1-4 A device for measuring the reduction reaction of pellet ore includes a device body 1, a reaction furnace body 2 fixedly installed on the top of the device body 1, a furnace door 3 rotatably installed on the front side of the reaction furnace body 2, a sample placement platform 4 fixedly installed on the bottom inner wall of the reaction furnace body 2, and a temperature control component 5 provided on the device body 1 and the reaction furnace body 2.
[0027] In this embodiment, the temperature control component 5 includes a heating tube 51, a temperature sensor 52, and an insulation layer 53. The heating tube 51 is fixedly installed on the inner wall of the reactor body 2, the temperature sensor 52 is fixedly installed on the top inner wall of the reactor body 2, and the insulation layer 53 is fixedly installed on the outer side of the reactor body 2. In the temperature control component 5, the heating tube 51 can quickly increase the temperature inside the reactor body 2, the temperature sensor 52 monitors the temperature inside the furnace in real time and transmits the data to the controller 91, and the temperature is precisely adjusted through the control system 9. The insulation layer 53 reduces heat loss from the furnace body, ensures stable temperature inside the furnace, effectively simulates the temperature environment of the reduction reaction in industrial production, and reduces measurement errors caused by temperature fluctuations.
[0028] In this embodiment, a gas supply assembly 6 is fixedly installed on the top of the device body 1. The gas supply assembly 6 includes a gas cylinder 61, a gas pipeline 62, and a flow control valve 63. The gas cylinder 61 is fixedly installed on the top of the reactor body 2. One end of the gas pipeline 62 is connected to the gas cylinder 61, and the other end of the gas pipeline 62 extends to the inside of the reactor body 2. The flow control valve 63 is fixedly installed on the outside of the gas pipeline 62.
[0029] In this embodiment, the gas supply component 6 also includes a gas mixer 64, which is fixedly installed on the outside of the gas pipeline 62. The gas mixer 64 is located between the flow control valve 63 and the reactor body 2. The gas source cylinder 61 can provide a variety of reducing gases such as hydrogen and carbon monoxide. After being mixed in proportion by the gas mixer 64, the gas flow rate is precisely controlled by the flow control valve 63 and delivered to the reactor body 2.
[0030] In this embodiment, a measuring component 7 is fixedly installed inside the reactor body 2. The measuring component 7 includes a weighing sensor 71, a gas sampling tube 72, and a gas analyzer 73. The weighing sensor 71 is fixedly installed at the bottom of the sample placement platform 4, the gas sampling tube 72 is fixedly installed inside the reactor body 2, and the gas analyzer 73 is fixedly installed at the top of the device body 1. One end of the gas sampling tube 72 is connected to the gas analyzer 73. The weighing sensor 71 monitors the weight change of the pellets in real time during the reduction reaction, reflecting the degree of reduction and the reaction rate. The gas sampling tube 72 collects the reaction gas in the furnace, and the gas analyzer 73 analyzes its composition changes, which can be used to study the reaction mechanism in depth. All parameters are recorded and analyzed synchronously through the controller 91, realizing a comprehensive evaluation of the reduction reaction and overcoming the shortcomings of traditional devices with single measurement parameters.
[0031] In this embodiment, a vacuum assembly 8 is fixedly installed on the outside of the reactor body 2. The vacuum assembly 8 includes a vacuum pump 81 and a vacuum pipe 82. The vacuum pump 81 is fixedly installed on the top of the device body 1. One end of the vacuum pipe 82 is connected to the vacuum pump 81, and the other end of the vacuum pipe 82 is connected to the reactor body 2. A vacuum valve 83 is fixedly installed on the outside of the vacuum pipe 82. In conjunction with the vacuum assembly 8, air in the furnace is pre-evacuated to avoid interference from impurity gases, ensuring the purity and stability of the reducing atmosphere and providing a consistent gas environment for the pellet reduction reaction.
[0032] In this embodiment, a control system 9 is fixedly installed on the left side of the device body 1. The control system 9 includes a controller 91 and a control panel 92. The controller 91 is fixedly installed inside the device body 1, and the control panel 92 is fixedly installed on the front side of the device body 1. The control panel 92 is electrically connected to the controller 91. The controller 91 is electrically connected to the temperature control component 5, the gas supply component 6, the measurement component 7, and the vacuum component 8, respectively. The controller 91 of the control system 9 integrates the control logic of various components such as temperature, gas supply, and measurement. The reaction parameters can be preset through the control panel 92 to realize the automated control of the reduction reaction process. This reduces manual operation steps, reduces human error, shortens the measurement cycle, and improves measurement efficiency and data reliability.
[0033] In this embodiment, an observation window 10 is fixedly installed on the front side of the reactor body 2, and a support leg 11 is fixedly installed on the bottom of the device body 1. An anti-slip pad 12 is fixedly installed on the bottom of the support leg 11. The observation window 10 of the reactor body 2 facilitates direct observation of the reaction state. The design of the furnace door 3 facilitates the handling of pellet ore samples. The support leg 11 and the anti-slip pad 12 enhance the stability of the device placement and reduce the influence of external vibration on the measurement.
[0034] Specifically, in the temperature control component 5, the heating tube 51 can quickly increase the temperature inside the reaction furnace 2, the temperature sensor 52 monitors the temperature inside the furnace in real time and transmits the data to the controller 91, and the temperature is precisely adjusted through the control system 9; the insulation layer 53 reduces the heat loss of the furnace body, ensures the temperature inside the furnace is stable, effectively simulates the reduction reaction temperature environment in industrial production, and reduces the measurement error caused by temperature fluctuations.
[0035] The gas supply component 6 has a gas supply cylinder 61 that can provide a variety of reducing gases such as hydrogen and carbon monoxide. After being mixed in proportion by the gas mixer 64, the gas flow rate is precisely controlled by the flow control valve 63 and delivered to the reaction furnace body 2. In conjunction with the vacuum component 8, the air in the furnace is pre-extracted to avoid interference from impurity gases, ensuring the purity and stability of the reducing atmosphere and providing a consistent gas environment for the pellet reduction reaction.
[0036] The weighing sensor 71 of the measuring component 7 monitors the weight change of the pellets in real time during the reduction reaction, reflecting the degree of reduction and the reaction rate; the gas sampling tube 72 collects the reaction gas in the furnace, and the gas analyzer 73 analyzes its composition changes, which can be used to study the reaction mechanism in depth; all parameters are recorded and analyzed synchronously through the controller 91, realizing a comprehensive evaluation of the reduction reaction and overcoming the shortcomings of traditional devices with single measurement parameters; the controller 91 of the control system 9 integrates the control logic of various components such as temperature, gas source, and measurement, and the reaction parameters can be preset through the control panel 92 to realize the automated control of the reduction reaction process; reducing manual operation steps, reducing human error, shortening the measurement cycle, and improving measurement efficiency and data reliability;
[0037] The observation window 10 of the reactor body 2 facilitates direct observation of the reaction state; the design of the furnace door 3 makes it convenient to take out and put in the pellet ore samples; the support legs 11 and anti-slip pads 12 enhance the stability of the device and reduce the impact of external vibration on the measurement; thus improving the ease of operation and reliability of the device.
[0038] It should be noted that although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A measuring device for the reduction reaction of pellet ore, characterized in that, include: The device body (1) has a reaction furnace body (2) fixedly installed on the top of the device body (1), a furnace door (3) is rotatably installed on the front side of the reaction furnace body (2), a sample placement platform (4) is fixedly installed on the bottom inner wall of the reaction furnace body (2), and a temperature control component (5) is provided on the device body (1) and the reaction furnace body (2).
2. The apparatus for measuring the reduction reaction of pellet ore according to claim 1, characterized in that, The temperature control component (5) includes a heating tube (51), a temperature sensor (52), and a heat insulation layer (53). The heating tube (51) is fixedly installed on the inner side wall of the reactor body (2), the temperature sensor (52) is fixedly installed on the top inner wall of the reactor body (2), and the heat insulation layer (53) is fixedly installed on the outer side of the reactor body (2).
3. The apparatus for measuring the reduction reaction of pellet ore according to claim 2, characterized in that, A gas supply assembly (6) is fixedly installed on the top of the device body (1). The gas supply assembly (6) includes a gas cylinder (61), a gas pipeline (62), and a flow control valve (63). The gas cylinder (61) is fixedly installed on the top of the reactor body (2). One end of the gas pipeline (62) is connected to the gas cylinder (61), and the other end of the gas pipeline (62) extends to the inside of the reactor body (2). The flow control valve (63) is fixedly installed on the outside of the gas pipeline (62).
4. The apparatus for measuring the reduction reaction of pellet ore according to claim 3, characterized in that, The gas supply assembly (6) also includes a gas mixer (64), which is fixedly installed on the outside of the gas pipeline (62) and is located between the flow control valve (63) and the reactor body (2).
5. The apparatus for measuring the reduction reaction of pellet ore according to claim 4, characterized in that, A measuring component (7) is fixedly installed on the inner side of the reactor body (2). The measuring component (7) includes a weighing sensor (71), a gas sampling tube (72), and a gas analyzer (73). The weighing sensor (71) is fixedly installed at the bottom of the sample placement platform (4). The gas sampling tube (72) is fixedly installed on the inner side of the reactor body (2). The gas analyzer (73) is fixedly installed on the top of the device body (1). One end of the gas sampling tube (72) is connected to the gas analyzer (73).
6. The apparatus for measuring the reduction reaction of pellet ore according to claim 5, characterized in that, A vacuum assembly (8) is fixedly installed on the outside of the reactor body (2). The vacuum assembly (8) includes a vacuum pump (81) and a vacuum pipe (82). The vacuum pump (81) is fixedly installed on the top of the device body (1). One end of the vacuum pipe (82) is connected to the vacuum pump (81), and the other end of the vacuum pipe (82) is connected to the reactor body (2). A vacuum valve (83) is fixedly installed on the outside of the vacuum pipe (82).
7. The apparatus for measuring the reduction reaction of pellet ore according to claim 6, characterized in that, A control system (9) is fixedly installed on the left side of the device body (1). The control system (9) includes a controller (91) and a control panel (92). The controller (91) is fixedly installed on the inside of the device body (1), and the control panel (92) is fixedly installed on the front side of the device body (1). The control panel (92) is electrically connected to the controller (91). The controller (91) is electrically connected to the temperature control component (5), the gas supply component (6), the measurement component (7), and the vacuum component (8), respectively.
8. The apparatus for measuring the reduction reaction of pellet ore according to claim 1, characterized in that, An observation window (10) is fixedly installed on the front side of the reactor body (2), and a support leg (11) is fixedly installed on the bottom of the device body (1). An anti-slip pad (12) is fixedly installed on the bottom of the support leg (11).