CN207816874U - Single mine reducing property measurement device - Google Patents
Single mine reducing property measurement device Download PDFInfo
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- CN207816874U CN207816874U CN201721859519.0U CN201721859519U CN207816874U CN 207816874 U CN207816874 U CN 207816874U CN 201721859519 U CN201721859519 U CN 201721859519U CN 207816874 U CN207816874 U CN 207816874U
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- sample
- alundum tube
- heating furnace
- pressure lever
- measurement device
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Abstract
The utility model discloses a kind of single mine reducing property measurement devices, including heating furnace, supporting mechanism for placing response sample, for the pressure lever mechanism to reaction sample pressurization and the elevating mechanism for making pressure lever mechanism lift, the supporting mechanism setting is in heating furnace, the lower end setting of the pressure lever mechanism is in heating furnace, the upper end is stretched out heating furnace and is connect with counterweight mechanism, when needing to pick and place the reaction sample on supporting mechanism, elevating mechanism drives pressure lever mechanism to rise and it is made to be formed between heating furnace for reacting the opening of sample disengaging, during experiment, elevating mechanism driving pressure lever mechanism declines and it is made to be tightly connected with heating furnace.The utility model can study the reduction softening performance of iron ore ecosystem, have the advantages that investment is small, profit is high, implementation is simple, highly practical.
Description
Technical field
The utility model belongs to metallurgical technology field more particularly to a kind of single mine reducing property measurement device.
Background technology
Iron ore is not the crystal of pure material, therefore not certain fusing point, it has a certain range of soft heat section,
Require iron ore fusion temperature high in blast furnace production process, softening section is narrow, could realize the high yield and low cost of blast fumance in this way.
After ore softens, furnace charge continues to move down and be further heated reduction in blast furnace, and ore starts to melt, in slag
Reach with metal before flowing freely and being accumulated into drop, gas permeability is very poor in soft heat layer, and coal gas occurs prodigious by being obstructed
Pressure drop.But since ore reflowing temperature is not fixed, softening start temperature and finishing temperature are often measured in experiment.Therefore people couple
Molten drop process of the ore under analog blast furnace smelting condition is studied, and measures its drippage beginning and finishing temperature, will be dripped
Start, foundation of the pressure drop in finishing temperature and continuous mode as evaluation ore feature.
Softening performance test for ore, there is no unified standards, usually receive ore under loading reducing condition
Shrinkage 10% is set to softening start temperature, and shrinking percentage 40% is set to softening finishing temperature.Molten drop stove sample dress used at present
Sample granularity is 6.3mm-10mm, and atmosphere proportioning isSample weight is filled in 170g or so, for reality
Testing sample needs the sample preparation of polishing screening in advance that could be tested, and cannot directly be tested as former state to ore.Therefore script
Experimentation can only carry out analog study to the whole softening melting behavior in blast furnace of iron ore, but primary for iron ore
The softening melting behaviour of state is not studied, it is seen that the reduction softening performance experimental provision of single mine is essential.
Reducing property test for ore, mainly uses reduction test stove, and general reduction test stove temperature in use
No more than 1000 DEG C, the detection of ore high temperature reduction performance cannot be carried out.
Utility model content
The purpose of this utility model is to provide a kind of single mine reducing property measurement devices, it can be primary to iron ore
The reduction softening performance of state is studied, and has the advantages that investment is small, profit is high, implementation is simple, highly practical.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of single mine reducing property measurement device, including heating furnace, for placing response sample supporting mechanism, be used for
Pressure lever mechanism to reaction sample pressurization and the elevating mechanism for making pressure lever mechanism lift, the supporting mechanism setting are adding
In hot stove, in heating furnace, the upper end is stretched out heating furnace and is connect with counterweight mechanism, and needs are worked as the lower end setting of the pressure lever mechanism
When picking and placeing the reaction sample on supporting mechanism, elevating mechanism driving pressure lever mechanism rises and it is made to be formed between heating furnace
For the opening of reaction sample disengaging, during experiment, elevating mechanism driving pressure lever mechanism declines and it is made to be sealed with heating furnace
Connection.
According to the above technical scheme, the heating furnace includes furnace body, the big alundum tube that is arranged in the furnace body, is arranged in institute
The thermocouple stated the small alundum tube in big alundum tube and be arranged in the small alundum tube, the bottom of the big alundum tube is by big
Alundum tube supporting rack supports, and seal closure is equipped at the top of the big alundum tube, the seal closure is equipped with gas outlet, described small
The bottom of alundum tube is supported by small alundum tube supporting rack, and the small alundum tube supporting rack is arranged in big alundum tube supporting rack, institute
It states big alundum tube supporting rack and is equipped with air inlet, big alundum tube supporting rack setting is stretched out in the lower end of the thermocouple.
According to the above technical scheme, the supporting mechanism includes hollow bearing support and is set to holding in the bearing support
Sample dish, the bottom of the bearing support and the top of small alundum tube are tightly connected, the top of the thermocouple and the bottom for holding sample dish
Contact, the upper surface for holding sample dish are equipped with one or more grooves for being used for placing response sample.
According to the above technical scheme, the bearing support includes the upper bearing support and lower supporting frame being seamlessly connected using sleeve.
According to the above technical scheme, the pressure lever mechanism includes compression bar and the compression weight that is arranged on the compression bar, institute
Compression weight is stated to be located at outside heating furnace for aligning in the reaction sample pressurization in heating furnace.
According to the above technical scheme, the compression bar includes the counterweight pressure rod, upperpush rod, middle pressure set gradually from top to bottom
Bar, down-pressed pole and sample pressure head, the compression weight are arranged on counterweight pressure rod, the upperpush rod and are set to seal closure top
It is tightly connected between the sealing element in portion.
According to the above technical scheme, between the counterweight pressure rod and upperpush rod, between upperpush rod and middle compression bar, middle compression bar with
Between down-pressed pole, be all made of and be threadedly coupled between down-pressed pole and sample pressure head, the diameter of medium pressure bar be less than upperpush rod and under
The diameter of compression bar.
According to the above technical scheme, asbestos are filled in the gap of the upperpush rod and sealing element.
According to the above technical scheme, the elevating mechanism include support vertical beam on the basis of being mounted on, be vertically mounted on it is described
It supports the support beam at the top of vertical beam, the scale pan being slidably mounted on the support vertical beam, be mounted on the support vertical beam top
The wheel shaft and steel wire rope in portion, one end of the steel wire rope are connect with scale pan, and the other end is around wheel shaft and horizontal along support
Beam hangs down to be connect with the top of pressure lever mechanism.
According to the above technical scheme, which further includes the displacement measurement mechanism being mounted in the pressure lever mechanism.
The utility model has the advantages that：The device can realize the reducing property experiment of single mine, meet to iron
The demand of the reduction softening performance research of ore ecosystem, less than normal relative to traditional molten drop furnace volume, high-temperature heating area is partially narrow,
Molten drop test period can be greatly shortened；In addition the device can be with fashionable dress sample one or more (being usually no more than 3), most
Limits ensure that the phase same sex of experimental condition.The apparatus structure is simple, is easy to construct, maintenance cost is low.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is that there are one the structural schematic diagrams for holding sample dish of groove for tool in the utility model embodiment；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is that there are three the structural scheme of mechanism for holding sample dish of groove for tool in the utility model embodiment.
In figure：Compression bar, 7- go out in 1- counterweights pressure rod, 2- compression weights, 3- upperpush rods, 4- sealing elements, 5- seal closures, 6-
Stomata, 8- connecting screws, 9- down-pressed poles, 10- furnace bodies, 11- reactions sample, the upper bearing supports of 12-, 13- lower supporting frames, 14- are rigid greatly
Beautiful pipe, the small alundum tubes of 15-, the small alundum tube supporting racks of 16-, the big alundum tube supporting racks of 17-, 18- air admission holes, 19- hooks, 20- branch
Support crossbeam, 21- scale pans, 22- supports vertical beam, 23- samples pressure head, 24- hold sample dish, 25- displacement measurement mechanisms, 27- thermocouples.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
In the preferred embodiment of the utility model, as shown in Figure 1, a kind of single mine reducing property measurement device, including
Heating furnace, for placing response sample 11 supporting mechanism (in Fig. 1 upper bearing support 12, lower supporting frame 13 and hold sample dish 24), use
In pressure lever mechanism (counterweight pressure rod 1, upperpush rod 3, middle compression bar 6, down-pressed pole 9 and sample pressure head in Fig. 1 to reaction sample pressurization
23) and for making the elevating mechanism of pressure lever mechanism lifting (supporting vertical beam 22, support beam 20 and scale pan 21 etc. in Fig. 1),
Supporting mechanism is arranged in heating furnace, and in heating furnace, heating furnace and weight machine are stretched out in the upper end for the lower end setting of pressure lever mechanism
Structure connect, when need pick and place the reaction sample on supporting mechanism when, elevating mechanism driving pressure lever mechanism rise and make its with
The opening for reaction sample disengaging is formed between heating furnace, during experiment, elevating mechanism driving pressure lever mechanism declines and makes
It is tightly connected with heating furnace.
In a preferred embodiment of the invention, as shown in Figure 1, heating furnace include furnace body 10, be arranged it is big in furnace body 10
Alundum tube 14, the small alundum tube 15 being arranged in big alundum tube 14 and the thermocouple 27 being arranged in small alundum tube 15, it is big rigid
The bottom of beautiful pipe 14 is supported by big alundum tube supporting rack 17, and the top of big alundum tube 14 is equipped with seal closure 5, is set on seal closure 5
There are gas outlet 7, the bottom of small alundum tube 15 to be supported by small alundum tube supporting rack 16, small alundum tube supporting rack 16 is arranged in big corundum
In pipe supporting rack 17, big alundum tube supporting rack 17 is equipped with air inlet 18, and big alundum tube supporting rack is stretched out in the lower end of thermocouple 27
17 settings.Increase internal small alundum tube, the service life of big alundum tube can be extended.
In a preferred embodiment of the invention, as shown in Figure 1, supporting mechanism includes hollow bearing support and is set to branch
Sample dish 24 are held in bolster, and the bottom of bearing support and the top of small alundum tube 15 are tightly connected, and the top of thermocouple 27 and hold sample
The bottom of disk 24 contacts, and as shown in figs 2-4, the upper surface for holding sample dish 24 is equipped with one or more for placing response sample
Groove.
In a preferred embodiment of the invention, as shown in Figure 1, bearing support includes the upper bearing support being seamlessly connected using sleeve
12 and lower supporting frame 13.
In a preferred embodiment of the invention, as shown in Figure 1, pressure lever mechanism include compression bar and be arranged on compression bar plus
Counterweight 2, compression weight is pressed to be located at outside heating furnace for aligning in the reaction sample pressurization in heating furnace.
In a preferred embodiment of the invention, as shown in Figure 1, compression bar includes the counterweight pressure rod set gradually from top to bottom
1, upperpush rod 3, middle compression bar 6, down-pressed pole 9 and sample pressure head 23, compression weight are arranged on counterweight pressure rod, upperpush rod and setting
It is tightly connected, is connected by connecting screw 8 between sealing element and seal closure, upperpush rod between sealing element 4 at the top of seal closure
With in the gap of sealing element be filled with asbestos.Wherein, between counterweight pressure rod and upperpush rod, between upperpush rod and middle compression bar in,
Between compression bar and down-pressed pole, be all made of and be threadedly coupled between down-pressed pole and sample pressure head, the diameter of middle compression bar be less than upperpush rod and
The diameter of down-pressed pole.
In a preferred embodiment of the invention, as shown in Figure 1, elevating mechanism includes the support vertical beam on the basis of being mounted on
22, it is vertically mounted on the support beam 20 at the top of support vertical beam, the scale pan 21 being slidably mounted on support vertical beam, is mounted on branch
The wheel shaft and steel wire rope at the top of vertical beam are supportted, one end of steel wire rope is connect with scale pan, and the other end is around wheel shaft and along branch
Support crossbeam hangs down to be connect with the top of pressure lever mechanism.In use, the other end of steel wire rope is provided with hook 19, hook 19 and counterweight
Pressure rod connects.
In a preferred embodiment of the invention, as shown in Figure 1, the device further includes the position being mounted in the pressure lever mechanism
Shift measurement mechanism 25.
The counterweight of constant weight in specific application, as shown in Figure 1, when being tested, is placed in weight by the utility model
On code-disc 21, when counterweight weight is more than a whole set of pressure lever mechanism weight, counterweight slings a whole set of compression bar machine by holder wheel shaft
Structure, wherein support vertical beam 22 stands on ground, support beam 20 is connected by hook 19 with counterweight pressure rod 1 with iron wire.Counterweight is logical
It crosses after holder wheel shaft slings a whole set of pressure lever mechanism, sample to be tested is placed in fire tongs and is held in sample dish 24, putting well will be a whole set of after sample
Pressure lever mechanism is put down, and removes the iron wire above hook 19 after installation is steady, then by connecting screw 8 connect sealing element 4 with it is close
Sealing cover 5, asbestos are filled up in the gap between sealing element 4 and upperpush rod 3, and sealing element 4 is not risen with seal closure 5 using high-temperature heat-resistance
Pi Gang, while required compression weight 2 being nested on counterweight pressure rod 1, entire seal closure is placed on furnace body, with big corundum
Pipe 14 realizes seamless connection.Counterweight pressure rod 1 is connected with upperpush rod 3 by screw thread, and counterweight pressure rod 1 is all made of with upperpush rod 3
High-temperature heat-resistance non-scaling steel makes, and is connected through a screw thread between upperpush rod 3 and middle compression bar 6, and middle compression bar 6 uses high-density graphite system
Make, be connected through a screw thread between middle compression bar 6 and down-pressed pole 9, down-pressed pole 9 is made of high-density graphite and omited relative to middle compression bar 6
Slightly, it is connected through a screw thread between down-pressed pole 9 and sample pressure head 23, sample pressure head 23 is made of high-density graphite.Whole device
Furnace body 10 uses Si-Mo rod electrified regulation, the big alundum tube of lower portion of furnace body 14 to be supported by big alundum tube supporting rack 17, big alundum tube branch
Small alundum tube supporting rack 16 built in support 17, small alundum tube 15 are placed on small alundum tube supporting rack 16, top and lower supporting frame
13 realize seamless connection, and telescopic seamless connection is used between lower supporting frame 13 and upper bearing support 12, wherein big alundum tube supports
Frame 17 uses oxida-tion-resistant steel, small alundum tube supporting rack 16 to be all made of high-density graphite with lower supporting frame 13 and upper bearing support 12
It makes and is circular ring structure.The internal diameter that 24 diameter of sample dish is slightly less than bearing support 12 is held, is placed on bearing support 12, such as Fig. 2-
Shown in Fig. 3, hold sample dish has certain spherical groove at center, and sample is held to facilitate, as shown in figure 3,3 balls can be evenly distributed with by holding in sample dish
Face groove, it can be achieved that under identical conditions different individual particle mines experiment, the use of one or more grooves pressed by experiment purpose
Demand selects, and is all made of refractory brick and is made.Thermocouple 27 is directly protruding by big alundum tube supporting rack 17 and holds sample dish 24
Under, thermocouple 27 uses Wolfram rhenium heat electric couple, thermocouple to be loaded on bottom end, avoid thermocouple and be broken because moving back and forth, and saves
Experimentation cost.Experiment atmosphere is entered by air admission hole 18 inside burner hearth, and exhaust gas is excluded by gas outlet 7 after the completion of reaction.Add
Hot stove configures furnace body and mating temperature control cabinet and gas cabinet.
When carrying out the reduction reaction experiment of single mine, counterweight is put on scale pan, using wheel shaft by compression bar in furnace body
Sling, the object that will be tested with fire tongs is put into the holding in sample dish of refractory brick, sample fix after with wheel shaft by compression bar pressure in stove
Above reaction sample, the counterweight on holder scale pan is removed, is pressed in the scale pan on compression bar, while removing hook, installed
Good displacement measurement mechanism leads to the reducing atmosphere of certain ingredients proportioning, is heated by high-temperature furnace body, while by displacement measurement mechanism
It is connected with pressure lever mechanism, the softening variation of single mine when recording temperature change.When carrying out a variety of mine reducing degree contrast experiments
When, different samples is placed in different spherical grooves.Put displacement measurement mechanism aside, measure different mines under the same terms also
The difference of originality energy.
For different subjects, pressure, temperature control and the reducing atmosphere that adjusting sample is born are needed according to experiment
Composition；For same kind of sample, batches of contrast test can be carried out, it outside in the same conditions, can be right
Than the difference of the hot mastication melt-dropping property of various sample.The utility model eliminates the dress sample graphite needed for script soft heat experiment
The use of crucible saves many experiments consumptive material.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of single mine reducing property measurement device, which is characterized in that including heating furnace, for the support of placing response sample
Mechanism, the pressure lever mechanism for pressurizeing to reaction sample and the elevating mechanism for making pressure lever mechanism lift, the support machine
Structure is arranged in heating furnace, and in heating furnace, heating furnace and counterweight mechanism are stretched out in the upper end for the lower end setting of the pressure lever mechanism
Connection, when needing to pick and place the reaction sample on supporting mechanism, elevating mechanism driving pressure lever mechanism rises and makes it and add
The opening for reaction sample disengaging is formed between hot stove, during experiment, elevating mechanism driving pressure lever mechanism declines and makes it
It is tightly connected with heating furnace.
2. single mine reducing property measurement device according to claim 1, which is characterized in that the heating furnace includes stove
Body, the big alundum tube being arranged in the furnace body, the small alundum tube being arranged in the big alundum tube and setting are described small
The bottom of thermocouple in alundum tube, the big alundum tube is supported by big alundum tube supporting rack, the top peace of the big alundum tube
Equipped with seal closure, the seal closure is equipped with gas outlet, and the bottom of the small alundum tube is supported by small alundum tube supporting rack, described
Small alundum tube supporting rack is arranged in big alundum tube supporting rack, and the big alundum tube supporting rack is equipped with air inlet, the thermoelectricity
Big alundum tube supporting rack setting is stretched out in even lower end.
3. single mine reducing property measurement device according to claim 2, which is characterized in that during the supporting mechanism includes
Empty bearing support and the sample dish of holding being set in the bearing support, the bottom of the bearing support and the top of small alundum tube seal
Connection, the top of the thermocouple are contacted with the bottom for holding sample dish, and the upper surface for holding sample dish is used for equipped with one or more
The groove of placing response sample.
4. single mine reducing property measurement device according to claim 3, which is characterized in that the bearing support includes using
The upper bearing support and lower supporting frame that sleeve is seamlessly connected.
5. single mine reducing property measurement device according to claim 2, which is characterized in that the pressure lever mechanism includes pressure
Bar and the compression weight being arranged on the compression bar, the compression weight are located at outside heating furnace for aligning in heating furnace
React sample pressurization.
6. single mine reducing property measurement device according to claim 5, which is characterized in that the compression bar include from up to
Under the counterweight pressure rod, upperpush rod, middle compression bar, down-pressed pole and the sample pressure head that set gradually, the compression weight is arranged in counterweight
On pressure rod, the upperpush rod and being set between the sealing element at the top of seal closure is tightly connected.
7. single mine reducing property measurement device according to claim 6, which is characterized in that the counterweight pressure rod with it is upper
It is all made of screw thread between compression bar, between upperpush rod and middle compression bar, between middle compression bar and down-pressed pole, between down-pressed pole and sample pressure head
Connection, the diameter of medium pressure bar are less than the diameter of upperpush rod and down-pressed pole.
8. single mine reducing property measurement device according to claim 6, which is characterized in that the upperpush rod and sealing element
Gap in be filled with asbestos.
9. single mine reducing property measurement device according to claim 1, which is characterized in that the elevating mechanism includes peace
Support vertical beam on the basis of being mounted in, is slidably mounted on the support at the support beam being vertically mounted at the top of the support vertical beam
Scale pan on vertical beam, wheel shaft and steel wire rope at the top of the support vertical beam, one end of the steel wire rope and counterweight
Disk connects, and the other end bypasses wheel shaft and hangs down along support beam and connect with the top of pressure lever mechanism.
10. single mine reducing property measurement device according to claim 1, which is characterized in that the device further includes installation
Displacement measurement mechanism in the pressure lever mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859519.0U CN207816874U (en) | 2017-12-25 | 2017-12-25 | Single mine reducing property measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859519.0U CN207816874U (en) | 2017-12-25 | 2017-12-25 | Single mine reducing property measurement device |
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| Publication Number | Publication Date |
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| CN207816874U true CN207816874U (en) | 2018-09-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380897A (en) * | 2020-03-23 | 2020-07-07 | 本钢板材股份有限公司 | Iron ore high temperature performance survey device |
| CN113219150A (en) * | 2021-06-23 | 2021-08-06 | 重庆钢铁股份有限公司 | Small coke oven experimental device and small coke oven dual-purpose method |
| CN113281373A (en) * | 2021-06-20 | 2021-08-20 | 承德市考思科学检测有限公司 | Electric lifting mechanism of thermal deformation and Vicat softening point temperature measuring instrument |
-
2017
- 2017-12-25 CN CN201721859519.0U patent/CN207816874U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380897A (en) * | 2020-03-23 | 2020-07-07 | 本钢板材股份有限公司 | Iron ore high temperature performance survey device |
| CN113281373A (en) * | 2021-06-20 | 2021-08-20 | 承德市考思科学检测有限公司 | Electric lifting mechanism of thermal deformation and Vicat softening point temperature measuring instrument |
| CN113281373B (en) * | 2021-06-20 | 2023-08-04 | 承德市考思科学检测有限公司 | Electric lifting mechanism of thermal deformation and Vicat softening point temperature tester |
| CN113219150A (en) * | 2021-06-23 | 2021-08-06 | 重庆钢铁股份有限公司 | Small coke oven experimental device and small coke oven dual-purpose method |
| CN113219150B (en) * | 2021-06-23 | 2022-09-27 | 重庆钢铁股份有限公司 | Small coke oven experimental device and small coke oven dual-purpose method |
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