CN103983486B - A kind of micro- coking sample preparation device for coke microscopic structure mensure and method - Google Patents
A kind of micro- coking sample preparation device for coke microscopic structure mensure and method Download PDFInfo
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- CN103983486B CN103983486B CN201410116279.XA CN201410116279A CN103983486B CN 103983486 B CN103983486 B CN 103983486B CN 201410116279 A CN201410116279 A CN 201410116279A CN 103983486 B CN103983486 B CN 103983486B
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Abstract
The present invention discloses a kind of micro- coking sample preparation device for coke microscopic structure mensure and method, including supporting member, is compacted component, and barrel components three parts.By bracket base, support, crossbeam is fixing to form door type structure to supporting member, has a round base for placing cylinder in the middle part of base；Compacting component, by being compacted pouring weight, hits tight weight, catch, tup and striker composition；By barrel, base and gland are constituted barrel components, and the centrally disposed fugitive constituent of gland diffuses hole.The present invention can be made into the miniature coke sample of suitable size, put into rubber mold molding, can directly observe under the microscope after sanding and polishing, pulverized coal consumption is few, the sample preparation time is short, avoid traditional method crushing process STRENGTH ON COKE disorganization, and realize METHOD FOR CONTINUOUS DETERMINATION coke heterogeneous microstructure under the microscope, convenient, accurate.
Description
Technical field
The present invention relates to a kind of micro- coking sample preparation device for coke microscopic structure mensure and method, belong to coking subject
Middle coke microstructure property research field.
Background technology
Coke plays reduction, thermal source and the effect supporting skeleton in blast furnace ironmaking, develops to big volume with blast furnace, right
Coke cold strength, the requirement more and more higher of hot performance.The microstructure of coke is the cold strength of coke and hot
One of important factor in order of performance.The method for making sample being conventionally used to coke microscopic structure mensure is to produce big lump coke, then
Pulverize, the coke powder granule of screening 0.2mm-1.0mm, using making 2.5cm × 2.5cm × 2.0cm size after resin solidification molding
Sample, observe under the microscope after sanding and polishing.Sample preparation needs substantial amounts of coal dust every time, and needs coke blacking after coking
It is broken into granule, in crushing process, STRENGTH ON COKE tissue causes certain destruction, and because coke powder granule is dispersed in resin
In, need constantly jump detection between coke granule and resin cured matter in continuous mode, very loaded down with trivial details, impact measurement
Accuracy.
Content of the invention
It is an object of the invention to proposing a kind of micro- coking sample preparation device for coke microscopic structure mensure and method, with
Solve prior art coal consumption big, coking time is long, crushing process destroys coke organizational structure, continuous mode is discontinuous, impact
The defect of measurement result accuracy.The present invention is few with coal, and coking time is short, saves and can see under coke crushing process, microscope
Measure continuous coke organizational structure, realize continuous detecting, measurement is convenient, accurate.
For achieving the above object, the technical solution used in the present invention is：
Supporting member is fixed into door type structure by base, support and crossbeam；Compacting component, by being compacted pouring weight, hits tight weight,
Catch, tup and striker composition, described compacting pouring weight passes through a steel bar and two pieces of Interal fixation on base；Catch laterally leads to
Cross both sides nut to be fixed on support, be fixed on crossbeam longitudinally through slide bar；Hit tight weight to be through on the slide bar on catch, lead to
Cross a nut adjusting position；Tup is fixed on catch lower end, a centrally disposed striker；During sample preparation, cylinder is positioned in base
On the cup dolly of the heart, after sample preparation, lid is inserted cylinder.
Described compacting member center arranges a U-shaped groove, and compacting component can overturn forward, compacting during compacting sample
The U-shaped groove of component is pressed on catch through the slide bar being fixed on crossbeam, level.
Described hits tight the cylindrical tube that weight is hollow, is fixed on the slide bar at center by a nut, this weight
Can slide up and down, and differing heights position can be fixed on by nut.
Described tup is fixed on catch, and tup external diameter is slightly less than the internal diameter placing coal dust cylinder, difference between the two
For 0.5mm.
Described striker is fixed on tup by screw thread rotation, and striker is abnormally-structured, and the radius of striker is 5mm, uses
Prick out a cylindrical hole in the center in coal, discharge fugitive constituent.
Described cylinder is made up of base and barrel, is threaded connection, and the depth of cylinder is more than the total of tup and striker
Length, difference is 10mm, and the distance apart from cylinder bottom for the tup top is 20mm.
Described lid top and bottom are all cylindrical shape, the cylindrical length in lower end, and diameter is identical with tup, lid
A centrally disposed cylindrical cavity of son, its internal diameter is identical with the diameter of striker.
A kind of method being used as the aforementioned described micro- coking sample preparation device measuring for coke microscopic structure, it is special
Levy and be, comprise the following steps：
1) granularity is less than 3mm, the coal dust that air-dried moisture is less than 10% fills up cylinder, strikes off, is placed on sample preparation to fill
On the cup dolly at bottom set seat center, put down tup, weight will be hit tight and be adjusted to upper end, and set level compacting pouring weight, and be pressed on catch,
Unclamp the nut hitting tight weight, will hit tight pouring weight rise to peak backward under pound compacting pouring weight, until striker and tup are complete
Go deep in cylinder；
2) lid is inserted cylinder, put into prior temperature and rise to heating 15-20min knot in 850 DEG C -950 DEG C of Muffle furnace
Sample is taken out after coking from Muffle furnace by Jiao, puts out mode quenching with water；
3) coke button after quenching is taken out, be placed in 50 DEG C of drying baker, dry 1h；
4) by the coke sawed-off top of saw blade after drying, the height of bottom coke button is benefit for 10-15mm；
5) coke button is put in rubber mold, resin by injection, it is dried；
6) utilize polished machine to polish after drying and moulding, after exposing circular coke interface, continue, about polishing 1mm thickness, to go
Slag fall char combustion layer, polishing, sample preparation finishes, for microscopic.
Compared with prior art, coal consumption of the present invention is few, substantially reduces the sample preparation time, simplifies sample preparation step, and
Avoid the destruction of comminuting coke STRENGTH ON COKE organizational interface, continuous coke organizational structure can be observed, eliminate biography
Need the disadvantage of beating heart jump switching between resin and coke granule during system technology for detection, significantly improve the accuracy of measurement.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, below describe in accompanying drawing be only this
Some embodiments of invention, for those of ordinary skills, on the premise of not paying creative work, acceptable
Obtain other embodiments and its accompanying drawing according to these accompanying drawing illustrated embodiments.
Fig. 1 is a kind of main component schematic diagram of coke microscopic structure mensure sample preparation device of the present invention, including a framework
Part, compacting component；
Fig. 2 a is to coaling the barrel components schematic diagram of powder sample, including barrel and bottom member；
Fig. 2 b is the cover component schematic diagram of cylinder, including insertion site, end socket position and volatile relese hole；
Fig. 3 a is the coke microscopic structure detection sample schematic diagram that conventional method for making sample is made；
The coke microscopic structure detection sample schematic diagram that Fig. 3 b makes for sample preparation device of the present invention.
Specific embodiment
Below with reference to accompanying drawing, clear, complete description is carried out it is clear that being retouched to the technical scheme of various embodiments of the present invention
The embodiment stated is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention,
The obtained all other embodiment on the premise of not making creative work of those of ordinary skill in the art, broadly falls into this
Invent protected scope.
Referring to Fig. 1, Fig. 2 a, Fig. 2 b, the present invention discloses a kind of micro- coking sample preparation device measuring for coke microscopic structure
And method, including supporting member, it is compacted component, and barrel components three parts composition.Supporting member by bracket base (1),
Support (9), crossbeam (8) is fixing to form door type structure, has a round bottom for placing cylinder in the middle part of base (1)
Seat (2)；Compacting component, by being compacted pouring weight (6), hits tight weight (11), catch (5), tup (13) and striker (14) composition；Cylinder
By barrel (17), base (19) and gland (21) are constituted component, and the centrally disposed fugitive constituent of gland diffuses hole (20).Compacting pouring weight leads to
Cross a steel bar (4) and two pieces of steel plates (3) are fixed on base (1)；Catch (5) is fixed on laterally across both sides nut (12) and props up
On frame, it is fixed on crossbeam (8) longitudinally through slide bar (7)；Hit tight on the slide bar (7) that weight (11) is through on catch, by one
Individual nut (10) adjusting position.The present invention can be made into the miniature coke sample of suitable size, puts into rubber mold molding, through beating
Can directly observe under the microscope after grinding and polishing light, pulverized coal consumption is few, the sample preparation time is short, it is to avoid the focusing of traditional method crushing process
Charcoal disorganization, and realize METHOD FOR CONTINUOUS DETERMINATION coke heterogeneous microstructure under the microscope, convenient, accurate.
Below in conjunction with the accompanying drawings the technology contents of the present invention are described below in greater detail.
1. granularity is less than 3mm, air-dried moisture is less than in 10% cylinder of pulverized coal particle load map 2a to be measured,
Fill cylinder, strike off cylinder upper surface；
2. cylinder is put on the cup dolly at Fig. 1 device center, the nut of catch both sides of outwarding winding, by tup and striker pressure
Enter in cylinder；
3. weight will be hit tight it will be fixed on the top of central slide bar, compacting pouring weight be pulled down, concora crush is on catch；
4. the nut hitting tight weight is unclamped, slides into the top hitting tight weight, unclamp, allow hitting tight weight and naturally fall,
Pound on compacting pouring weight, be iteratively repeated this action, until tup and striker are fully pressed in cylinder, stop；
5. take out cylinder from base, lid is inserted and in cylinder, keeps the fugitive constituent diffusion sky at lid center no to block；
6. cylinder is put into together with lid heating 15-20min knot in the Muffle furnace be previously heated to 850 DEG C -950 DEG C
Sample is taken out after coking from Muffle furnace by Jiao, puts out mode quenching with water；
7. extract lid, and the base of cylinder is outwarded winding, take out the coke in cylinder, put in 50 DEG C of drying baker and dry
1h；
8., by the coke sawed-off top of saw blade after drying, the height making bottom coke is benefit for 10-15mm；
9 by coke button put into rubber mold in, pour resin, spontaneous curing molding into；
10. take out the sample of curing molding, first with polished machine corase grind, after exposing the interface of circular coke, continue polishing
1mm about, remove the oxide layer of coke surface and air contact, carry out fine grinding afterwards again, polishing, when sample surfaces are smooth, no
After cut, sample preparation finishes, for microscopic；
The coke microscopic structure detection sample schematic diagram that 11. Fig. 3 b make for the present invention, with the conventional sample preparation shown in Fig. 3 a
The coke microscopic structure detection sample schematic diagram that method is made compares, the coke continuous tissue in Fig. 3 b, clearly, detection side
Just, accurately.
The various embodiments that the present invention provides can be mutually combined as needed in any way, is obtained by this combination
Technical scheme, also within the scope of the invention.
Obviously, those skilled in the art can carry out the various changes and modification spirit without deviating from the present invention to the present invention
And scope.So, if these modifications to the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention also comprises these changes and modification.
Claims (6)
1. a kind of for coke microscopic structure measure micro- coking sample preparation device it is characterised in that：
Supporting member is fixed into door type structure by base, support and crossbeam；Compacting component, by being compacted pouring weight, hits tight weight, catch,
Tup and striker composition, described compacting pouring weight passes through a steel bar and two pieces of Interal fixation on base；Catch passes through a steel
Bar and both sides nut are fixed on support；Hit tight weight to be through on the slide bar being fixed between crossbeam and catch, by a spiral shell
Female adjusting position；Tup is fixed on catch lower end, a centrally disposed striker；During sample preparation, cylinder is placed in the matrix bottom at base center
On seat, after sample preparation, lid is inserted cylinder.
2. as claimed in claim 1 a kind of for coke microscopic structure measure micro- coking sample preparation device it is characterised in that：Institute
State a centrally disposed U-shaped groove of compacting component, compacting component can overturn forward, and during compacting sample, compacting component is through solid
It is scheduled on the slide bar on crossbeam, concora crush is on catch.
3. as claimed in claim 1 a kind of for coke microscopic structure measure micro- coking sample preparation device it is characterised in that：Institute
Stating and hitting tight weight is to can slide up and down the cylindrical tube of hollow.
4. as claimed in claim 1 a kind of for coke microscopic structure measure micro- coking sample preparation device it is characterised in that：Institute
State striker to be fixed on tup, striker is cross type structure.
5. as claimed in claim 1 a kind of for coke microscopic structure measure micro- coking sample preparation device it is characterised in that：Institute
The top and bottom stating lid are all cylindrical structure, a centrally disposed cylindrical cavity of gland, its internal diameter and striker
Diameter is identical, is used for diffusing fugitive constituent gas.
6. a kind of micro- coking sample preparation device measuring for coke microscopic structure as described in any one of claim 1-5 uses
Method it is characterised in that comprising the following steps：
1) granularity is less than 3mm, the coal dust that air-dried moisture is less than 10% fills up cylinder, strikes off, is placed on sample preparation device bottom
On the cup dolly at seat center, put down tup, weight will be hit tight and be adjusted to upper end, then pouring weight concora crush will be compacted on catch, pine
Open the nut hitting tight weight, will hit tight pouring weight rise to peak backward under pound compacting pouring weight, until striker and tup are completely deep
Enter in cylinder；
2) in lid insertion cylinder, then cylinder is put into prior temperature and risen in 850 DEG C -950 DEG C of Muffle furnace, heat 15-
Sample is taken out after coking from Muffle furnace by 20min coking, puts out mode quenching with water；
3) coke button after quenching is taken out, be placed in 50 DEG C of drying baker, dry 1h；
4) by the coke sawed-off top of saw blade after drying, the height of bottom coke button is 10-15mm；
5) coke button is put in rubber mold, resin by injection, curing molding；
6) polished with polished machine after curing molding, after exposing circular coke interface, continue to polish off 1mm thickness, remove coke oxygen
Change layer, polishing, sample preparation finishes, for microscopic.
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| CN107796676B (en) * | 2017-09-27 | 2024-04-16 | 安徽理工大学 | Automatic striking device of bituminous coal Oinferior dilatometer |
| CN113804678B (en) * | 2020-06-16 | 2024-05-10 | 上海梅山钢铁股份有限公司 | Method for detecting coke reaction depth |
| CN114459887B (en) * | 2022-01-10 | 2023-11-10 | 首钢集团有限公司 | Coke compressive strength measures frock and device |
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