CN210982293U - Multifunctional blast furnace harmful element adsorption experimental device - Google Patents
Multifunctional blast furnace harmful element adsorption experimental device Download PDFInfo
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- CN210982293U CN210982293U CN201921403962.6U CN201921403962U CN210982293U CN 210982293 U CN210982293 U CN 210982293U CN 201921403962 U CN201921403962 U CN 201921403962U CN 210982293 U CN210982293 U CN 210982293U
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 239000010431 corundum Substances 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 10
- 238000003723 Smelting Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000571 coke Substances 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000003034 coal gas Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000024121 nodulation Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a multifunctional blast furnace harmful element adsorption experimental device, which comprises a reaction tube, wherein the reaction tube is heated by a two-section heating furnace; the bottom of the reaction tube is provided with a harmful element steam generating device, the top of the reaction tube is provided with a sealing cover with a concave inner part, the bottom of the sealing cover is provided with a harmful element adsorption device in a hanging manner, an air outlet pipe penetrates through the sealing cover to be communicated with the outside, and an air inlet pipe penetrates through the sealing cover to be sequentially connected with an air merging valve and a plurality of parallel air guide pipes to provide an air source for the harmful element steam generating device; the utility model discloses an experimental apparatus is simple easy to operate, and the furnace charge is conveniently taken out, and the reliability is high, can simulate the enrichment condition of different harmful element when the blast furnace is smelted simultaneously, and the suitability is strong.
Description
Technical Field
The utility model relates to a blast furnace ironmaking technical field especially provides a multi-functional blast furnace harmful element adsorbs experimental apparatus.
Background
The charging material of the blast furnace usually contains a certain amount of harmful elements such as potassium, sodium, lead, zinc and the like, but the amount of the harmful elements entering the iron slag is not large, and most of the harmful elements are reduced and evaporated in a high-temperature area and rise along with the blast furnace gas flow. And in the process of rising, the harmful elements are fully contacted with the blast furnace burden and the blast furnace lining, and part of the harmful elements are absorbed by coke and ores, then fall to a high-temperature area of the blast furnace, are reduced and enter the coal gas flow again, so that the cyclic enrichment of the harmful elements is caused, and the huge influence is brought to the blast furnace smelting process. The enrichment of harmful elements in the furnace burden can erode the furnace burden structure of the blast furnace and influence the strength of raw fuel and the air permeability of the furnace burden, thereby disturbing the distribution of gas flow. Harmful elements can erode the hearth and the bottom of the furnace in the blast furnace, and even have great influence on the smooth operation of the blast furnace in serious conditions, thereby causing the problems of frequent suspension, material collapse and the like; and the conditions of the blast furnace such as nodulation, unsmooth furnace conditions and the like which are not beneficial to normal smelting can be caused periodically, thereby causing the reduction of the economic index of the blast furnace production technology. Therefore, the understanding and mastering of the enrichment distribution condition of harmful elements of the blast furnace in the blast furnace burden and the influence on the burden have great significance for the smooth production of the blast furnace.
However, most of the methods adopted for gas phase adsorption experimental research of harmful elements in a blast furnace in a laboratory are methods of introducing the harmful elements into a furnace charge by spraying, soaking or fumigating, but liquid and other elements inevitably introduce external influence. In addition, the types of harmful element raw materials used for the gas phase adsorption experimental research of the harmful elements in the blast furnace in the laboratory are single, such as: the blast furnace harmful element particles or the blast furnace harmful element compounds are independently used, so that the difference with the types of the harmful elements in the actual smelting process of the blast furnace is large; meanwhile, the conventional adsorption experiment cannot simulate the reducing atmosphere in the blast furnace, and has larger difference with the real production condition of the blast furnace. Therefore, it is urgent to provide a multifunctional experimental apparatus for adsorption of harmful elements in a blast furnace.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the problem that prior art exists, the utility model provides a multi-functional blast furnace harmful element adsorbs experimental apparatus, can not only regard as raw and other materials harmful element alkali metal simple substance and its compound as the interior harmful element steam of blast furnace simulation blast furnace and rise along with the coal gas stream by the absorptive process of furnace charge, and can simulate required gas environment under the different temperature conditions in the blast furnace, be close more with the blast furnace actual production condition, the suitability of experimental facilities has been improved, it is inseparabler with the actual production contact, thereby blast furnace production experimental cost has been reduced.
In order to achieve the above object, the utility model adopts the following technical scheme:
a multifunctional blast furnace harmful element adsorption experimental device comprises a reaction tube, wherein the reaction tube is heated by a two-section heating furnace; the bottom of the reaction tube is provided with a harmful element steam generating device, the top of the reaction tube is provided with a sealing cover with a concave inner part, and the bottom of the sealing cover is provided with a harmful element adsorption device in a hanging manner; the air outlet pipe penetrates through the sealing cover to be communicated with the outside, and the air inlet pipe penetrates through the sealing cover to be sequentially connected with the air merging valve and the plurality of parallel air guide pipes and is used for providing an air source for the harmful element steam generating device.
As a further limitation of the above solution, the harmful element adsorption device includes a mesh cylinder with an upward opening end, which is formed by combining a circular ring, support bars and a steel wire mesh, wherein the circular ring is located at two ends of the cylinder, and is supported and connected into a whole by the support bars which are axially and uniformly distributed, and the steel wire mesh covers the lower end and the outer side surface of the cylinder; the upper ring of the cylinder is connected with a plurality of support rods, the support rods are obliquely and upwards connected to the bottom of the hook together, and the hook is suspended on a hanging ring at the bottom of the sealing cover.
As a further limitation of the above solution, there are four of the support bars, and the included angle between the horizontal projections of the adjacent support bars is 90 °.
As a further limitation of the above scheme, the hook is connected with each support rod through a movable rotating shaft.
As a further limitation of the above scheme, the harmful element vapor generation device comprises an upper support frame and a lower support frame which are arranged inside the container, and the lower support frame is fixed at the bottom of the container through a support column; air holes are uniformly distributed in the upper supporting frame and the lower supporting frame, and air inlet pipe channels are arranged at the edges of the upper supporting frame and the lower supporting frame; the upper supporting frame is used for placing harmful elements, and the lower supporting frame is used for placing corundum balls.
As a further limitation of the scheme, the pore diameter of the air holes of the upper support frame is matched with the particle size of the harmful elements.
As a further limitation of the scheme, the diameter of the air holes of the lower support frame is slightly smaller than the diameter of the corundum ball.
As a further limitation of the above aspect, the inlet pipe passage is a semicircular hole having an inner diameter equal to an outer diameter of the inlet pipe.
As a further limitation of the above solution, the supporting column is provided in plurality, and the plurality of supporting columns are uniformly distributed along the circumference of the bottom surface of the lower supporting frame.
As a further limitation of the above solution, the two-stage heating furnace is composed of a system control box and a high temperature box; the high-temperature box comprises an upper heating element, a heat insulation layer, a lower heating element, an upper thermocouple, a lower thermocouple, an upper thermocouple at the same height as the upper heating element and a lower thermocouple between the two lower heating elements which are sequentially arranged from top to bottom; the heat insulation layer is used for isolating heat transfer between the upper heating body and the lower heating body.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a harmful element in two segmentation heating furnace simulation blast furnace rises along with the coal gas stream at stove bottom gasification and harmful element vapour and is by the absorptive temperature variation of furnace charge to required reducing atmosphere when building the blast furnace and smelting according to the temperature variation has realized the enrichment experiment of blast furnace harmful element under the different temperatures, is close more with the blast furnace actual smelting condition, has improved experimental facilities's suitability and predictability, thereby has reduced the blast furnace production experiment cost.
(2) The utility model discloses an experimental apparatus is simple easy to operate, and the furnace charge is conveniently taken out, and the reliability is high, can simulate the enrichment condition of different harmful element when the blast furnace is smelted simultaneously, and the suitability is strong.
(3) The adsorption experimental device of the utility model is suspended on the upper part of the reaction tube, the charging mode of furnace charge can be various, coke and ore can be mixed and then added into the hanging basket, and the mixed charging of the furnace charge of the blast furnace is simulated; coke and ore can be added into the hanging basket in batches to simulate the loading of the blast furnace burden, so that the enrichment condition of harmful elements in blast furnace smelting under different loading modes can be simulated.
(4) The utility model discloses a harmful element vapour generating device can directly be used for holding harmful element, and the air current reachs the upper portion support frame through the gap between the corundum ball from corundum ball lower part support frame to make the air current more even, gas after even can continue to participate in the harmful element and adsorb the experiment, is favorable to improving the stability and the reproducibility of experiment.
(5) The utility model discloses a two segmentation heating furnaces adopt the insulating layer thermal-insulated, make harmful element vapour generating device and harmful element adsorption equipment temperature each other not influence in the reaction tube, and the controllability is higher, and thermocouple and heat-generating body one-to-one, and temperature control is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of the multifunctional blast furnace harmful element adsorption experimental device of the utility model.
Fig. 2 is a schematic structural view of the harmful element adsorption device of the present invention.
Fig. 3 is a schematic structural view of the harmful element vapor generation device of the present invention.
Fig. 4 is a schematic structural view of the two-stage heating furnace of the present invention.
Fig. 5 is a right side view of the two-stage heating furnace of the present invention.
In the figure: 1. a reaction tube; 2. a sealing cover; 201. a hoisting ring; 3. a harmful element vapor generating device; 301. a container; 302. an upper support frame; 303. a lower support frame; 304. air holes are formed; 305. an air inlet tube passageway; 306. a support pillar; 4. a harmful element adsorption device; 401. a circular ring; 402. a supporting strip; 403. steel wire mesh; 404. a support bar; 405. hooking; 406. a movable rotating shaft; 5. an air outlet pipe; 6. an air inlet pipe; 7. an air valve is combined; 8. an air duct; 901. an upper heating element; 902. a thermal insulation layer; 903. a lower heating element; 904. a system control box; 905. an upper thermocouple; 906. and a lower thermocouple.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Examples
As shown in fig. 1, an experimental apparatus adopted in a multifunctional blast furnace harmful element adsorption experimental method comprises a reaction tube 1, wherein the reaction tube 1 is heated by a two-stage heating furnace; a harmful element steam generating device 3 is arranged at the bottom of the reaction tube 1, a sealing cover 2 with a concave inner part is arranged at the top of the reaction tube 1, and a harmful element adsorption device 4 is hung at the bottom of the sealing cover 2; the air outlet pipe 5 penetrates through the sealing cover 2 to be communicated with the outside, and the air inlet pipe 6 penetrates through the sealing cover 2 to be sequentially connected with the air merging valve 7 and the three parallel air guide pipes 8 and is used for providing an air source for the harmful element steam generating device 3.
The sealing cover 2 is concave, so that the sealing cover 2 can be embedded into the reaction tube 1, and the air tightness of the experimental device is improved.
In the experimental process, the high-temperature environment in a hearth during blast furnace smelting is simulated by heating the two-section type heating furnace, harmful elements are placed in the harmful element steam generating device 3, harmful element steam is generated by heating, and CO are simultaneously introduced through the three gas guide tubes 8 connected in parallel2And N2The gas simulates the gas flow in the blast furnace, so that the harmful element steam rises along with the gas flow and carries out adsorption enrichment experiments with furnace burden placed on the harmful element adsorption device 4.
Specifically, referring to fig. 2, the harmful element adsorption device 4 includes a mesh cylinder with an upward opening end, which is formed by combining a circular ring 401, support bars 402 and a steel wire mesh 403, wherein the circular ring 401 is located at two ends of the cylinder, and is supported and connected into a whole by the support bars 402 which are axially and uniformly distributed, and the steel wire mesh 403 is covered on the lower end and the outer side surface of the cylinder; the upper ring 401 of the cylinder is connected with a plurality of support rods 404, the support rods 404 are connected to the bottom of a hook 405 together in an inclined and upward manner, and the hook 405 is hung on a hanging ring 201 at the bottom of the sealing cover 2.
Specifically, there are four support rods 404, and the included angle between the horizontal projections of adjacent support rods 404 is 90 °.
Specifically, the hook 405 is connected to each support rod 404 through a movable rotating shaft 406.
Specifically, referring to fig. 3, the harmful element vapor generation device 3 includes an upper support frame 302 and a lower support frame 303 disposed inside a container 301, and the lower support frame 303 is fixed to the bottom of the container 301 through a support column 306; air holes 304 are uniformly distributed on the upper supporting frame 302 and the lower supporting frame 303, and air inlet pipe channels 305 are arranged at the edges of the upper supporting frame 302 and the lower supporting frame 303; the upper support 302 is used for placing harmful elements, and the lower support 303 is used for placing corundum balls.
Specifically, the aperture of the vent holes 304 of the upper support frame 302 is matched with the size of the harmful element particle size, so that the upper support frame 302 can be replaced according to the size of the harmful element particle to adjust the aperture of the vent holes 304, and therefore, the harmful elements with various particle sizes can be adapted.
Specifically, the aperture of the air holes 304 of the lower support frame 303 is slightly smaller than the diameter of the corundum ball, and in the experimental process, reaction air flows overflow from the corundum ball placed on the air holes 304 of the lower support frame 303 to the upper support frame, so that the air flows are more uniform, the air after the reaction air flows are uniform, and can continue to participate in the adsorption experiment of harmful elements, thereby being beneficial to improving the stability and the reproducibility of the experiment.
Specifically, the air inlet pipe channel 305 is a semicircular hole with the same inner diameter as the outer diameter of the air inlet pipe 6, and in the experimental process, the air inlet pipe 6 is fixed through the air inlet pipe channel 305 arranged at the edges of the upper support frame 302 and the lower support frame 303, so that the stability in the experimental process is improved.
Specifically, there are three support columns 306, and the three support columns 306 are uniformly distributed along the circumference of the bottom surface of the lower support frame 303, so as to support and stabilize the lower support frame 303.
Specifically, referring to fig. 4-5, the two-stage heating furnace is composed of a system control box 904 and a high temperature box, wherein the system control box 904 is used for placing and controlling a heating system, components and a temperature display device; the high-temperature box comprises an upper heating element 901, a heat insulation layer 902, a lower heating element 903, an upper thermocouple 905 which is positioned at the same height with the upper heating element 901 and a lower thermocouple 906 which is positioned between the two lower heating elements 903, wherein the upper heating element 901, the heat insulation layer 902 and the lower heating element 903 are sequentially arranged from top to bottom, and the heat insulation layer 902 is used for isolating heat transfer between the upper heating element 901 and the lower heating element 903.
The utility model relates to an experimental method of a multifunctional blast furnace harmful element adsorption experimental device, which comprises the following steps:
s1, adding harmful elements into the harmful element steam generating device 3, and then placing the harmful element steam generating device 3 at the bottom of the reaction tube 1;
s2, vertically placing the reaction tube 1 in a two-section heating furnace;
s3, adding coke and ore into the harmful element adsorption device 4 according to a certain ore-coke ratio, and covering the sealing cover 2;
s4, setting a temperature rising mode, a heat preservation temperature and a heat preservation duration of the two-section heating furnace, introducing gas into the harmful element steam generating device 3 through the gas guide pipe 8, and starting rising the temperature;
s5, after the heat preservation is finished, stopping introducing the gas when the temperature is cooled to 400 ℃ along with the furnace;
and S6, taking out the furnace charge when the furnace charge is cooled to normal temperature, and carrying out detection and analysis.
The above description is only an illustrative embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the method of the present invention; those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the essential technology of the present invention all still belong to the protection scope of the present invention.
Claims (8)
1. The multifunctional experimental device for adsorption of harmful elements in the blast furnace is characterized by comprising a reaction tube (1), wherein the reaction tube (1) is heated by a two-section heating furnace; a harmful element steam generating device (3) is arranged at the bottom of the reaction tube (1), a sealing cover (2) with a concave inner part is arranged at the top of the reaction tube (1), and a harmful element adsorption device (4) is hung at the bottom of the sealing cover (2); the air outlet pipe (5) penetrates through the sealing cover (2) to be communicated with the outside, and the air inlet pipe (6) penetrates through the sealing cover (2) to be sequentially connected with the air merging valve (7) and the plurality of parallel air guide pipes (8) and is used for providing an air source for the harmful element steam generating device (3).
2. The multifunctional experimental device for adsorbing harmful elements in the blast furnace as claimed in claim 1, wherein the harmful element adsorbing device (4) comprises a net-shaped cylinder which is formed by combining a circular ring (401), support bars (402) and a steel wire mesh (403) and has an upward opening end, wherein the circular ring (401) is positioned at two ends of the cylinder and is supported and connected into a whole by the support bars (402) which are uniformly distributed in the axial direction, and the steel wire mesh (403) covers the lower end and the outer side surface of the cylinder; the upper circular ring (401) of the cylinder is connected with a plurality of support rods (404), each support rod (404) is obliquely and upwards connected to the bottom of a hook (405) together, and the hook (405) is suspended on a hanging ring (201) at the bottom of the sealing cover (2).
3. The multifunctional experimental apparatus for adsorbing harmful elements of a blast furnace as claimed in claim 2, wherein there are four supporting rods (404), and the included angle between the horizontal projections of adjacent supporting rods (404) is 90 °.
4. The multifunctional experimental apparatus for adsorbing harmful elements in a blast furnace as claimed in claim 2, wherein said hook (405) is connected to each of said supporting rods (404) through a movable rotating shaft (406).
5. The multifunctional experimental device for adsorption of harmful elements to blast furnaces as claimed in claim 1, wherein the harmful element steam generating device (3) comprises an upper support frame (302) and a lower support frame (303) which are arranged inside the container (301), and the lower support frame (303) is fixed at the bottom of the container (301) through a support column (306); air holes (304) are uniformly distributed on the upper supporting frame (302) and the lower supporting frame (303), and air inlet pipe channels (305) are arranged at the edges of the air holes; the upper supporting frame (302) is used for placing harmful elements, and the lower supporting frame (303) is used for placing corundum balls.
6. The multifunctional experimental apparatus for adsorption of harmful elements to blast furnaces as claimed in claim 5, wherein the pore diameter of the air holes (304) of the upper support frame (302) is matched with the particle size of harmful elements; the aperture of the air hole (304) of the lower support frame (303) is slightly smaller than the diameter of the corundum ball; the air inlet pipe channel (305) is a semicircular hole with the inner diameter being the same as the outer diameter of the air inlet pipe (6).
7. The multifunctional experimental apparatus for adsorbing harmful elements of the blast furnace as claimed in claim 5, wherein there are a plurality of supporting columns (306), and the supporting columns (306) are uniformly distributed along the circumference of the bottom surface of the lower supporting frame (303).
8. The multifunctional experimental apparatus for adsorption of harmful elements in a blast furnace as claimed in claim 1, wherein said two-stage furnace is composed of a system control box (904) and a high temperature box; the high-temperature box comprises an upper heating element (901), a heat insulation layer (902), a lower heating element (903), an upper thermocouple (905), a lower thermocouple (906), an upper thermocouple (905) and a lower thermocouple (906), wherein the upper thermocouple (905) and the lower thermocouple are arranged in the high-temperature box from top to bottom in sequence, and the upper thermocouple (905) and the lower thermocouple (906) are positioned at the same height as the upper heating element (901) and between the two lower heating elements (; the heat insulation layer (902) is used for isolating heat transfer between the upper heating element (901) and the lower heating element (903).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921403962.6U CN210982293U (en) | 2019-08-27 | 2019-08-27 | Multifunctional blast furnace harmful element adsorption experimental device |
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| CN201921403962.6U CN210982293U (en) | 2019-08-27 | 2019-08-27 | Multifunctional blast furnace harmful element adsorption experimental device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664957A (en) * | 2020-07-13 | 2020-09-15 | 广东韶钢松山股份有限公司 | Temperature detection system and method for detecting temperature of material column in blast furnace body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111664957A (en) * | 2020-07-13 | 2020-09-15 | 广东韶钢松山股份有限公司 | Temperature detection system and method for detecting temperature of material column in blast furnace body |
| CN111664957B (en) * | 2020-07-13 | 2022-10-14 | 广东韶钢松山股份有限公司 | Temperature detection system and method for detecting temperature of material column in blast furnace body |
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