Portable iron ore metallurgical performance determination reduction tube

Abstract

The utility model belongs to the technical field of metallurgy, and particularly relates to a portable iron ore metallurgical performance measurement reduction tube which comprises a reduction tube body, a reduction tube bottom plate, an upper sealing cover, a sample loading pot, a temperature measurement galvanic couple and an air inlet pipe, the bottom of the reduction tube body is connected with the reduction tube bottom plate in a sealing mode, and the air inlet pipe penetrates through the reduction tube bottom plate to enter the reduction tube body. A temperature measuring galvanic couple is arranged in the reduction tube body, the bottom of the temperature measuring galvanic couple is connected with a temperature measuring galvanic couple tray outside the reduction tube bottom plate, a gas guide plate is arranged in the middle of an inner cavity of the reduction tube body, a sample loading pot is clamped to the upper portion of the inner cavity of the reduction tube body, and the top of the reduction tube body is clamped to an upper sealing cover in a sealed mode. Samples can be loaded and unloaded at the top of the reduction tube, equipment loss caused by repeated disassembly of the reduction tube is avoided, operation is convenient, experiment accuracy is improved, and experiment progress is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to metallurgical technical field, and particularly relates to a portable iron ore metallurgical performance determination reduction pipe. BACKGROUND

[0002] Due to the various types of iron ore, uneven quality, and the decreasing resource content year by year, the strength of the produced sinter and pellet is continuously reduced, which not only causes great obstacles to the normal operation of the enterprise, but also influences the production quality of the blast furnace burden. Therefore, in order to study the influence of different types of iron ore, different matching ratios, and sintering process parameters of the sinter and pellet on the metallurgical performance (reduction, pulverization, and expansion) thereof, and guide the sintering and pelletizing production of the iron ore, most factories and research departments are equipped with metallurgical performance determination instrument experimental equipment to conduct a large amount of experimental research work on the metallurgical performance of the iron ore.

[0003] The existing metallurgical performance comprehensive determination instrument is equipped with a lower open type reduction pipe, and there are problems such as relatively troublesome operation when loading and unloading samples, easy wear and air leakage of the air inlet rubber tube due to multiple disassembly, insufficient mixing of the reduction gas in the reduction pipe, and damage to the electronic balance at the lower part of the reduction pipe caused by the friction and collision of the reduction pipe with the furnace body during the lifting of the furnace body, which reduces the stability of the equipment and brings difficulties to the experimental operation. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a kind of portable iron ore metallurgical performance determination reduction pipe, can be loaded and unloaded sample in the top of reduction pipe, avoid the equipment wear and tear caused by multiple disassembly reduction pipe, it is easy to operate to improve experimental accuracy to speed up experimental progress.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of portable iron ore metallurgical performance determination reduction pipe, including reduction pipe body, reduction pipe bottom plate, upper seal cover, sample loading pot, temperature measuring couple and air inlet pipe, the bottom of reduction pipe body is sealedly connected with reduction pipe bottom plate, air inlet pipe passes into reduction pipe body from reduction pipe bottom plate, temperature measuring couple is arranged in reduction pipe body, the bottom of temperature measuring couple is connected with temperature measuring couple tray outside reduction pipe bottom plate, gas flow guide plate is arranged in the middle of reduction pipe body inner chamber, sample loading pot is clamped in the upper part of reduction pipe body inner chamber, and the top of reduction pipe body is sealedly clamped with upper seal cover.

[0007] The bottom of the sample loading pot is uniformly distributed with air holes.

[0008] The gas flow guide plate is uniformly distributed with air holes.

[0009] The sample loading pot and the gas flow guide plate are made of stainless steel.

[0010] The gas inlet pipe is connected with the reducing gas and the protective gas.

[0011] Compared with the prior art, the sample loading pot has the advantages that:

[0012] The sample loading pot is put into the upper part of the reduction pipe, and the mineral materials can be kept in the upper part of the reduction pipe. The gas flow guide plate is provided with the air holes, so that the gas flows upward in the reaction tube more uniformly.

[0013] The sample loading pot can be loaded and unloaded at the top of the reduction pipe, the equipment loss caused by the multiple disassembly of the reduction pipe is avoided, the operation is convenient, the experimental accuracy is improved, and the experimental progress is accelerated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a sectional view of the utility model.

[0016] Figure 3 It is a top view of the sample loading pot.

[0017] Figure 4 It is a schematic view of the gas flow guide plate.

[0018] In the drawing: upper cover 1, gas inlet pipe 2, temperature measuring thermocouple tray 3, reduction pipe bottom plate 4, gas flow guide plate 5, temperature measuring thermocouple 6, reduction pipe body 7, sample loading pot 8, air hole 9, air hole 10. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is understood that the terms "first", "second" and the like are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features.

[0020] Unless otherwise defined, the terms "mounting", "connected", "connecting" should be construed broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according of the specific circumstances.

[0021] As Figures 1-4 A portable iron ore metallurgical performance determination reduction tube, including reduction tube body 7, reduction tube bottom plate 4, upper cover 1, sample loading pot 8, temperature measuring couple 6, gas inlet pipe 2, the bottom of reduction tube body 7 is sealedly connected reduction tube bottom plate 4, gas inlet pipe 2 enters reduction tube body 7 from reduction tube bottom plate 4, temperature measuring couple 6 is arranged in reduction tube body 7, the bottom of temperature measuring couple 6 is connected with temperature measuring couple tray 3 outside reduction tube bottom plate 4, the middle part of the inner cavity of reduction tube body 7 is equipped with gas flow guide plate 5, the upper portion of the inner cavity of reduction tube body 7 is clamped with sample loading pot 8, and the top of reduction tube body 7 is sealedly clamped with upper cover 1.

[0022] The bottom of the sample loading pot 8 is uniformly distributed with air holes 9.

[0023] The gas flow guide plate 5 is uniformly distributed with air holes 10.

[0024] The sample loading pot 8 and the gas flow guide plate 5 are made of stainless steel.

[0025] The gas inlet pipe 2 is connected with reducing gas and protective gas.

[0026] Method for use:

[0027] Firstly, the experimental ore is uniformly placed in the loading pot 8, then the loading pot 8 is placed in the top of the reduction tube body 7 and clamped in the upper portion of the reduction tube body 7, then the upper cover 1 is installed on the top of the reduction tube body 7 to ensure sealing, and the reduction tube is fixed on the electronic balance on the heating furnace base, and the electronic balance is used to compare the mass of the ore before and after combustion.

[0028] Secondly, the hollow heating furnace body is moved from top to bottom, so that the reduction tube cover is arranged in the hollow part of the heating furnace body, and after the experiment starts, the experimental gas is introduced into the reduction tube body 7 through the gas inlet pipe 2. The reduction tube body 7 is heated by the heating furnace body, and the ore in the tube reacts. During the experiment, the temperature is recorded by the temperature measuring couple 6 in the reduction tube body 7, and the temperature measuring couple 6 detects and records the combustion temperature of the iron ore in the bottom, middle and top of the reduction tube body 7. The mass change of the iron ore during the whole experiment is recorded by the electronic balance.

[0029] Third step, after the experiment, the heating furnace body is separated from the reduction pipe, the upper cover 1 can be separated from the reduction pipe body 7 without disassembling the reduction pipe, the sample loading pot 8 is taken out from the reduction pipe body 7, the reacted iron ore is obtained, subsequent processing is carried out and is recorded.

[0030] In order to make the purpose, technical scheme and technical effect of the utility model more clear, the technical scheme in the utility model embodiment is clearly and completely described. However, the following described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Combined with the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] Embodiment

[0032] A portable iron ore metallurgical performance determination reduction pipe, including reduction pipe body 7, reduction pipe bottom plate 4, upper cover 1, sample loading pot 8, temperature measuring couple 6, gas inlet pipe 2, the bottom of reduction pipe body 7 is sealedly connected with reduction pipe bottom plate 4, gas inlet pipe 2 enters reduction pipe body 7 from reduction pipe bottom plate 4, and gas inlet pipe 2 is connected with reduction gas and protective gas.

[0033] Temperature measuring couple 6 is arranged in reduction pipe body 7, the bottom of temperature measuring couple 6 is connected with temperature measuring couple tray 3 outside reduction pipe bottom plate 4, the middle part of the inner chamber of reduction pipe body 7 is provided with gas flow guide plate 5, the upper part of the inner chamber of reduction pipe body 7 is clamped with sample loading pot 8, and the top of reduction pipe body 7 is sealingly clamped with upper cover.

[0034] Sample loading pot 8 and gas flow guide plate 5 are made of stainless steel. The bottom of sample loading pot 8 is uniformly distributed with air-permeable hole 9, and the diameter of air-permeable hole 9 is 2 mm. Gas flow guide plate 5 is uniformly distributed with air hole 10, and temperature measuring couple 6 passes through air hole 10.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to the embodiments without departing from the principles and basic spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A portable iron ore metallurgical performance determination reduction tube, characterized by, The reduction tube body, the reduction tube bottom plate, the upper cover, the sample loading pot, the temperature measuring thermocouple and the gas inlet pipe are included, the bottom of the reduction tube body is sealingly connected with the reduction tube bottom plate, the gas inlet pipe passes through the reduction tube bottom plate to enter the reduction tube body, the temperature measuring thermocouple is arranged in the reduction tube body, the bottom of the temperature measuring thermocouple is connected with the temperature measuring thermocouple tray outside the reduction tube bottom plate, the middle part of the inner cavity of the reduction tube body is provided with a gas flow guide plate, the upper part of the inner cavity of the reduction tube body is clamped with the sample loading pot, and the top of the reduction tube body is sealingly clamped with the upper cover.

2. A portable iron ore metallurgical performance determination reduction tube according to claim 1, characterized in that, The bottom of the sample loading pot is uniformly provided with the air permeable holes.

3. A portable iron ore metallurgical performance determination reduction tube as claimed in claim 1, wherein, The gas flow guide plate is uniformly provided with the air holes.

4. A portable iron ore metallurgical performance determination reduction tube as claimed in claim 1, wherein, The sample loading pot and the gas flow guide plate are made of stainless steel.

5. A portable iron ore metallurgical performance determination reduction tube as claimed in claim 1, wherein, The gas inlet pipe is connected with the reducing gas and the protective gas.

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