CN106018667A - Ash fusibility tester and image taking method thereof - Google Patents

Ash fusibility tester and image taking method thereof Download PDF

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Publication number
CN106018667A
CN106018667A CN201610494966.4A CN201610494966A CN106018667A CN 106018667 A CN106018667 A CN 106018667A CN 201610494966 A CN201610494966 A CN 201610494966A CN 106018667 A CN106018667 A CN 106018667A
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China
Prior art keywords
ash
supporting plate
background board
boiler tube
ash cone
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CN201610494966.4A
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Chinese (zh)
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CN106018667B (en
Inventor
罗建文
罗彬彬
杨海涛
蒋义
廖炼斌
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Changsha Kaiyuan Instruments Co Ltd
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Changsha Kaiyuan Instruments Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/12Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84Systems specially adapted for particular applications

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Molecular Biology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The invention relates to the technical field of coal quality detection and analysis, and in particular relates to an ash fusibility tester and an image taking method thereof. The ash fusibility tester comprises a high temperature furnace, a furnace tube, a background plate, an image taking assembly and a disc-shaped ash cone supporting plate, wherein the furnace tube is arranged in the high temperature furnace, the ash cone supporting plate is arranged in the furnace tube, and a rotating mechanism for driving the ash cone supporting plate to rotate in the furnace tube is arranged below the ash cone supporting plate; the image taking assembly is used for acquiring an image of an ash cone on the ash cone supporting plate; the background plate is disposed in the middle part of the ash cone supporting plate, the upper edge of the background plate is connected with the top of the furnace tube, the lower edge of the background plate is disposed below the upper surface of the ash cone supporting plate, the background plate is a diffusion reflection device, a diffusion reflection surface of the background plate faces the image taking assembly, and the ash fusibility tester also comprises a light source, and light emitted by the light source faces the diffusion reflection surface of the background plate. The ash fusibility tester is high in test efficiency and simple in structure of the furnace tube.

Description

A kind of ash fusion tester and view finding method thereof
Technical field
The present invention relates to coal property test analysis technical field, particularly relate to a kind of ash fusibility test Instrument and view finding method thereof.
Background technology
The melted test instrunment of ash is the instrument of the meltbility for detecting coal sample ash cone, and it is molten that ash is bored Melting property is directly connected to whether boiler of power plant has sintering and the order of severity of sintering, to boiler and water The impact of the safe handling such as mud shaft kiln is very big.Current ash melts in tester, and coal sample ash cone sets It is placed on supporting plate, and supporting plate is fixed in hypanthium.In test process, hypanthium drives supporting plate rotation Turn, make coal sample ash bore in high temperature furnace pipe flat-temperature zone inward turning then the heating that uniformly heats up, until coal sample Ash cone reaches molten condition.In the process, carried out taking pictures in real time capture by image mechanism, logical Cross computer or manual analysis, draw the deformation of coal sample, softening, hemisphere and four characteristic points of flowing Temperature.
As it is shown in figure 1, existing ash melts in tester, near video camera 102 on boiler tube 101 Side be provided with capture pipe 103, the side relative with capture pipe 103 is provided with background pipe 104, the back of the body The cavity of scape pipe 104 effectively prevent the reflection of light, is formed and is clearly distinguishable from sample and week Enclose the relatively dark-colored background of supporting plate, boiler tube 101, in order to effective to sample of video camera 102 Identify.The setting of background pipe 104 causes the design complexity of boiler tube 101, and reliability reduces.And And existing ash fusion tester for ensureing capture of video camera time only photograph a sample Product, need to shoot away from video camera through the gap of two samples near video camera side One sample, causes setting-out limited amount.The sample splint of 60mm diameter in the market, Can only place the sample of 5 GBs in theory, supporting plate utilization rate is low, and test needs 5 every time More than hour, measured power will be more than 3 kilowatts, and single experiment sample test is inefficient.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is to solve that ash fusion tester testing efficiency is low and stove The problem that pipe design is complicated.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of ash fusion tester, bag Include high temperature furnace, boiler tube, background board, capture assembly and discoidal ash cone supporting plate, described stove Pipe is located in described high temperature furnace, and described ash cone supporting plate is located in described boiler tube, described ash cone supporting plate Lower section be provided with for driving the described ash cone rotating mechanism that rotates in described boiler tube of supporting plate;Institute State capture assembly for obtaining the image of ash cone on described ash cone supporting plate;Described background board is positioned at institute State the middle part of ash cone supporting plate, and the top edge of described background board be connected with the top of described boiler tube, The lower limb of described background board is positioned at the lower section of described ash cone splint upper surface, and described background board is Diffusing reflectance device, the diffuse-reflectance of described background board, facing to described capture assembly, also includes light source, The diffuse-reflectance face of background board described in the light directive that described light source sends.
According to the present invention, described background board uses corundum material to make.
According to the present invention, described background board and described boiler tube use sintering processing one-body molded.
According to the present invention, the top of described boiler tube is provided with the depression of described boiler tube inner recess Portion, described depressed part forms described background board.
According to the present invention, described depressed part is directed away from described near the side of described capture assembly The lopsidedness of capture assembly is arranged, and described light source is positioned at the lower section of described ash cone supporting plate.
According to the present invention, described background board is mounted on the top of described boiler tube.
According to the present invention, described boiler tube includes ash cone chamber and chamber is vertically disposed takes with described ash cone As chamber.
Present invention also offers the view finding method of a kind of above-mentioned ash fusion tester, including with Lower step:
S1, light source is irradiated on background board form bright background;
S2, drives ash cone supporting plate to rotate;
S3, capture assembly is pointed to the grey coning row between described background board and described capture assembly Shooting.
(3) beneficial effect
The technique scheme of the present invention compared with prior art has the advantage that the present invention is real The ash fusion tester that executing example provides is positioned at the background board in the middle part of ash cone supporting plate, and background board is unrestrained Reflection device, light source is injected into the diffuse-reflectance face of background board and occurs diffuse-reflectance formation one relatively bright The background of color, after background board brightens, the region residing for background board contrasts with the coal sample ash cone of test Substantially, capture assembly at high temperature can distinguish the characteristic pattern aberration of coal sample ash cone and background board Different, it is simple to the capture of coal sample ash cone.Being arranged such, capture assembly can directly be pointed to background Grey coning row shooting between plate and capture assembly, the ash cone on ash cone supporting plate can be more when arranging Add compact, each ash cone supporting plate can place more ash cone, improve sample test efficiency, More ash cone can be tested in the same time, improve capacity usage ratio.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of ash fusion tester in prior art;
Fig. 2 is the schematic top plan view of the ash fusion tester that the embodiment of the present invention provides;
Fig. 3 is the cross-sectional schematic of the ash fusion tester that the embodiment of the present invention one provides;
Fig. 4 is the cross-sectional schematic of the ash fusion tester that the embodiment of the present invention two provides;
Fig. 5 is the cross-sectional schematic of the ash fusion tester that the embodiment of the present invention three provides.
In figure: 101: boiler tube;102: video camera;103: capture pipe;104: background pipe;1: High temperature furnace;2: boiler tube;21: ash cone chamber;22: capture chamber;3: background board;4: capture group Part;5: ash cone supporting plate;6: light source;7: ash cone.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, It is fully described by, it is clear that described embodiment is a part of embodiment of the present invention, and not It it is whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having There is on the premise of making creative work the every other embodiment obtained, broadly fall into the present invention The scope of protection.
Embodiment one
As shown in Figures 2 and 3, the one of the embodiment of the present invention offer that the embodiment of the present invention provides Kind of ash fusion tester, including high temperature furnace 1, boiler tube 2, background board 3, capture assembly 4 with And discoidal ash cone supporting plate 5, boiler tube 2 is located in high temperature furnace 1, and boiler tube is located at by ash cone supporting plate 5 In 2, the lower section of ash cone supporting plate 5 is provided with the rotation for driving ash cone supporting plate 5 to rotate in boiler tube 2 Rotation mechanism.Capture assembly 4 is for obtaining the image of ash cone 7 on ash cone supporting plate 5.Specifically, Boiler tube 2 includes ash cone chamber 21 and bores vertically disposed capture chamber, chamber 21 22 with ash.Ash cone supporting plate 5 are located in ash cone chamber 21, and in ash cone chamber 21, the image of ash cone 7 arrives through capture chamber 22 and takes As assembly 4, capture assembly 4 record the image of ash cone 7.Background board 3 is positioned at ash cone supporting plate The middle part of 5, and the top edge of background board 3 is connected with the top of boiler tube 2, background board 3 following Edge is positioned at the lower section of ash cone supporting plate 5 upper surface, and background board 3 is diffusing reflectance device, background board 3 Diffuse-reflectance facing to capture assembly 4, also include the light source 6 being located at outside boiler tube 2, light source 6 The diffuse-reflectance face of the light directive background board 3 sent.Specifically, light source 6 arranges position needs Angle according to background board 3 is designed, and is preferably background board 3 by top in the present embodiment Tilting to the direction away from capture assembly 4 downwards, light source 6 arranges the lower section of ash cone supporting plate 5. There is diffuse-reflectance in the diffuse-reflectance face that light is injected into background board 3 by lower section.
The ash fusion tester that the embodiment of the present invention provides is positioned at the background in the middle part of ash cone supporting plate 5 Plate 3, background board 3 is diffusing reflectance device, and light source 6 is injected into the diffuse-reflectance face of background board 3 and occurs Diffuse-reflectance forms the background of a relative light tone, after background board 3 brightens, residing for background board 3 Region is obvious with the coal sample ash cone contrast of test, and capture assembly 4 at high temperature can be distinguished and produce coal Sample ash cone 7 and the characteristic image difference of background board 3, it is simple to the capture of coal sample ash cone 7.So Arrange, the ash cone 7 that capture assembly 4 can directly be pointed between background board 3 and capture assembly 4 Shooting, the ash cone 7 on ash cone supporting plate 5 can be compacter when arranging, each ash cone torr More ash cone 7 can be placed on plate 5, improve sample test efficiency, can in the same time Test more ash cone 7, improves capacity usage ratio.The ash cone supporting plate of conventional diameter 60mm 5 can only place 5 samples, the ash fusion tester provided according to the present invention, same diameter The ash cone supporting plate 5 of 60mm can place the sample of more than at least 9;Conventional diameter 80mm Ash cone supporting plate 5 can only place 9 samples, according to the present invention provide ash fusibility test Instrument, the ash cone supporting plate 5 of same diameter 80mm can place the sample of more than at least 16, greatly Improve greatly testing efficiency, save a large amount of energy consumption.Set compared to existing boiler tube 101 one end Putting capture pipe 103, the other end arranges background pipe 104, boiler tube 2 simple in construction in the present embodiment, Improve the high-temperature resistant property of boiler tube 2.
Further, the background board 3 in the present embodiment uses corundum material to make.Background board 3 Corundum material is used to make identical with the material of boiler tube 2, it is simple to boiler tube 2 and background board 3 Processing.It should be noted that owing to all can there is diffuse-reflectance on the surface of rough object, this Background board in invention is not limited to use corundum material to make, it is also possible to be that other can be at high temperature The material of lower stable existence.
Further, the background board 3 in the present embodiment uses sintering processing one to become with boiler tube 2 Type.It is bonded in by the way of sintering after can also using background board 3 and boiler tube 2 molding respectively Together.
Embodiment two
The technology contents not repeated description that the present embodiment two is identical with embodiment one, embodiment one is public The content opened falls within the present embodiment two disclosure, the present embodiment two be to background board and The further optimization that light source is arranged: as shown in Figure 4, in the present embodiment, the top of boiler tube 2 is provided with Towards the depressed part of boiler tube 2 inner recess, depressed part forms background board 3.Directly at boiler tube 2 Top background board 3 be set out eliminate the combination of boiler tube 3 and background board 3, preparation technology is more Add simple.Preferably, in the present embodiment, depressed part is directed away near the side of capture assembly 4 The lopsidedness of capture assembly 4 is arranged, and light source 6 is located at the lower section of ash cone supporting plate 5.Ash cone torr Light source 6 below plate 5 is radiated on background board 3 owing to occurring diffuse-reflectance background board to form light tone Background.
Embodiment three
The technology contents not repeated description that the present embodiment three is identical with embodiment one, embodiment one is public The content opened falls within the present embodiment three disclosure, the present embodiment three be to background board and The further optimization that light source is arranged: as it is shown in figure 5, the background board 3 in the present embodiment is mounted on The top of boiler tube 2.Add at boiler tube 2 and only one circle need to be set in the inner side at boiler tube 2 top man-hour Ring, the top edge at background board 3 arranges a hook i.e. can be articulated in boiler tube by background board 3 Top.The simple in construction of boiler tube 2, it is simple to it is prepared.Background board 3 becomes vertical state, light Source 6 is arranged on the side in the diffuse-reflectance face of the outer background board 3 of boiler tube, and the light that light source 6 sends shines It is mapped on background board 3 make background board 3 form the background of light tone.
Embodiment four
The present embodiment provides the view finding method of a kind of above-mentioned ash fusion tester, including Following steps:
S1, light source 6 is irradiated on background board 3 form bright background;
S2, drives ash cone supporting plate 5 to rotate;
S3, the ash cone 7 that capture assembly 4 is pointed between background board 3 and capture assembly 4 is carried out Shooting.
Last it is noted that above example is only in order to illustrate technical scheme, and Non-to its restriction;Although the present invention being described in detail with reference to previous embodiment, ability The those of ordinary skill in territory is it is understood that it still can be to the skill described in foregoing embodiments Art scheme is modified, or wherein portion of techniques feature is carried out equivalent;And these are repaiied Change or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical side The spirit and scope of case.

Claims (8)

1. an ash fusion tester, it is characterised in that: include high temperature furnace, boiler tube, background Plate, capture assembly and discoidal ash bore supporting plate, and described boiler tube is located in described high temperature furnace, Described ash cone supporting plate is located in described boiler tube, and the lower section of described ash cone supporting plate is provided with for driving State the rotating mechanism that ash cone supporting plate rotates in described boiler tube;Described capture assembly is used for obtaining institute State the image of ash cone on ash cone supporting plate;Described background board is positioned at the middle part of described ash cone supporting plate, and The top edge of described background board is connected with the top of described boiler tube, the lower limb position of described background board In the lower section of described ash cone splint upper surface, described background board is diffusing reflectance device, described background The diffuse-reflectance of plate, facing to described capture assembly, also includes light source, the light that described light source sends The diffuse-reflectance face of background board described in directive.
Ash fusion tester the most according to claim 1, it is characterised in that: the described back of the body Scape plate uses corundum material to make.
Ash fusion tester the most according to claim 1, it is characterised in that: the described back of the body Scape plate and described boiler tube use sintering processing one-body molded.
Ash fusion tester the most according to claim 1, it is characterised in that: described stove The top of pipe is provided with the depressed part of described boiler tube inner recess, and described depressed part is formed described Background board.
Ash fusion tester the most according to claim 4, it is characterised in that: described recessed The lopsidedness that the portion of falling into is directed away from described capture assembly near the side of described capture assembly sets Putting, described light source is positioned at the lower section of described ash cone supporting plate.
Ash fusion tester the most according to claim 1, it is characterised in that: the described back of the body Scape plate is mounted on the top of described boiler tube.
Ash fusion tester the most according to claim 1, it is characterised in that: described stove Pipe includes ash cone chamber and bores vertically disposed capture chamber, chamber with described ash.
8. a view finding method for the ash fusion tester as described in any one of claim 1-7, It is characterized in that, comprise the following steps:
S1, light source is irradiated on background board form bright background;
S2, drives ash cone supporting plate to rotate;
S3, capture assembly is pointed to the grey coning row between described background board and described capture assembly Shooting.
CN201610494966.4A 2016-06-29 2016-06-29 A kind of ash fusion tester and its view finding method Active CN106018667B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522787A (en) * 1982-03-05 1985-06-11 Leco Corporation Ash fusion system
CN2548154Y (en) * 2002-07-02 2003-04-30 长沙三德实业有限公司 Digital-imaging type dust melt-characteristic detection apparatus
CN201034943Y (en) * 2007-04-04 2008-03-12 中国矿业大学 Coal gray melting determinator
CN101776625A (en) * 2009-12-25 2010-07-14 湖南三德科技发展有限公司 Ash fusion tester
CN201699810U (en) * 2010-06-25 2011-01-05 北京东孚久恒仪器技术有限公司 Scanner for granular material image acquisition
CN102087232A (en) * 2010-11-30 2011-06-08 湖南三德科技发展有限公司 Ash fusibility tester realizing image capture at same side
CN204228637U (en) * 2014-10-31 2015-03-25 长沙开元仪器股份有限公司 Ash melting tester
CN205844295U (en) * 2016-06-29 2016-12-28 长沙开元仪器股份有限公司 A kind of ash fusion tester

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4522787A (en) * 1982-03-05 1985-06-11 Leco Corporation Ash fusion system
CN2548154Y (en) * 2002-07-02 2003-04-30 长沙三德实业有限公司 Digital-imaging type dust melt-characteristic detection apparatus
CN201034943Y (en) * 2007-04-04 2008-03-12 中国矿业大学 Coal gray melting determinator
CN101776625A (en) * 2009-12-25 2010-07-14 湖南三德科技发展有限公司 Ash fusion tester
CN201699810U (en) * 2010-06-25 2011-01-05 北京东孚久恒仪器技术有限公司 Scanner for granular material image acquisition
CN102087232A (en) * 2010-11-30 2011-06-08 湖南三德科技发展有限公司 Ash fusibility tester realizing image capture at same side
CN204228637U (en) * 2014-10-31 2015-03-25 长沙开元仪器股份有限公司 Ash melting tester
CN205844295U (en) * 2016-06-29 2016-12-28 长沙开元仪器股份有限公司 A kind of ash fusion tester

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李剑均: "灰熔融性测定中应注意的问题", 《煤质技术》 *
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