CN206399763U - A kind of detection means of bulk material stability when the bed of material is crushed - Google Patents
A kind of detection means of bulk material stability when the bed of material is crushed Download PDFInfo
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- CN206399763U CN206399763U CN201621489479.0U CN201621489479U CN206399763U CN 206399763 U CN206399763 U CN 206399763U CN 201621489479 U CN201621489479 U CN 201621489479U CN 206399763 U CN206399763 U CN 206399763U
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Abstract
The utility model is related to the detection means of bulk material stability when the bed of material is crushed.Including backing plate, support, altitude scale and barrel, backing plate is arranged in horizontal direction, and the upper face of backing plate is provided with circular scale, support includes the column of fixed plate and be connected plate and the backing plate set parallel to backing plate, fixed plate is provided with the pilot hole for placing barrel, the center of pilot hole matches with the center of circular scale, and the bottom of barrel is in contact with backing plate.As shown from the above technical solution, material is placed in barrel by the utility model, by being at the uniform velocity lifted up barrel, material is set to be paved under the conditions of free-flowing on backing plate, the radius that paves of material is measured by the circular scale on backing plate, the height of solid accumulation, then the stability for calculating material for passing through angle of repose are measured by altitude scale.The detection means can improve the stability of the bed of material, improve crush efficiency, the production practices activity that can effectively instruct the bed of material to crush.
Description
Technical field
The utility model is related to a kind of detection means of bulk material stability when the bed of material is crushed.
Background technology
The bed of material crush (also referred to as comminution) technology include roll squeezer, vertical mill, Conus betulinus, beta mill (beta mills) etc. with
Energy-efficient the characteristics of, is widely used in the pulverizing process of the industries such as cement, mine, slag, agglomerates of sintered pellets.Generally it is handled
Powder material particle diameter<200mm, the material treated through bed of material disintegrating apparatus produces a large amount of fine particles and by selecting powder equipment to enter
Row classification is selected, wherein fine powder enter such as ball mill grinding next process, coarse granule return to bed of material disintegrating apparatus and
Further grinding is carried out after the fresh material mixing newly fed.The characteristics of being saved due to bed of material crushing technology, it is desirable to which the bed of material is crushed
Product it is as thin as possible more to save, it means that system circulation amount will increase, and the material of returning equipment is thinner, into setting
Standby mixture particle distribution is wider, and average grain diameter is also thinner.In production application, distribution of particles is wide, average grain diameter
Bed of material stability can be carefully caused to decline, unstable, the effective power input reduction, mill efficiency decline for easily causing equipment to be run.
Meanwhile, the factor such as moisture content, temperature of material can also influence the stability of the bed of material.
Natural repose angle method is a kind of common detection method of material physical property, GB/T 16913-2008 natural repose angle methods
It is mainly used for evaluating a kind of method of powder material.And the bulk material distribution of particles during the bed of material is crushed is very wide, except fine powder
Outside, also a certain proportion of bulky grain can cause the isolation of large or fine granule using the test method, measurement result is inaccurate.
Patent 201620669026.X and 201610481033.1 measures the slump of concrete using conically shaped, but concrete contains
There are many moisture, in nature flow regime, can be measured using conically shaped and Natural care in mode, and bed of material comminuting matter
It is not at completely natural flow regime, it is impossible to detect by same mode, while slump is characterized by measuring height, it is right
It is also unreasonable in the stability of powder.Therefore, need exploitation a set of material bed when the bed of material is crushed on bulk material in a hurry
The detection means of stability.
Utility model content
The purpose of this utility model is the detection means for providing a kind of bulk material stability when the bed of material is crushed, and is used to
The bed of material stability of bulk material when the bed of material is crushed is detected, and for instructing the stability and crush efficiency of the raising bed of material.
To achieve the above object, the utility model employs following technical scheme：Including backing plate, support, altitude scale with
And barrel, described backing plate is arranged in horizontal direction, and the upper face of backing plate is provided with circular scale, and described support includes parallel
The fixed plate and the column of be connected plate and backing plate set in backing plate, described fixed plate is provided with the guiding for placing barrel
Hole, the center of the pilot hole matches with the center of circular scale, and the bottom of the barrel is in contact with backing plate.
Described circular scale is uniformly arranged laterally from the center of backing plate, and rectangular co-ordinate is additionally provided with described backing plate
System.
Described altitude scale includes vertical rod and horizontal mark post, and described vertical rod is set perpendicular to backing plate and vertical rod is provided with
Scale, described horizontal mark post is rotatable to be fixed in vertical rod, and high and low position of the horizontal mark post in vertical rod is adjustable.
Described barrel is hollow cylinder, and the internal diameter of the barrel is not less than maximum sized 5 times of material particles.
Described backing plate is plastic plate or metallic plate, and its surface roughness is between Ra3.6~Ra6.3.
Described barrel is transparent material, and its inside surface roughness is not higher than Ra6.3.
The upper position of the barrel is provided with the handle for being easy to handling.
The height for being smaller than barrel between the fixed plate and backing plate.
The diameter of the pilot hole is slightly larger than the external diameter of barrel.
As shown from the above technical solution, material is placed in barrel by the utility model, by being at the uniform velocity lifted up barrel,
Material is paved under the conditions of free-flowing on backing plate, the radius that paves of material measured by the circular scale on backing plate,
The height of solid accumulation, then the stability for calculating material for passing through angle of repose are measured by altitude scale.The detection is filled
The stability of the bed of material can be improved by putting, and improve crush efficiency, the production practices activity that can effectively instruct the bed of material to crush.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the top view of backing plate in the utility model.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings：
A kind of detection means of bulk material stability when the bed of material is crushed as shown in Figure 1, including backing plate 1, support 2,
Altitude scale 3 and barrel 4, backing plate 1 are arranged in horizontal direction, and the upper face of backing plate 1 is provided with circular scale 11, and support 2 is wrapped
Include the fixed plate 21 set parallel to backing plate 1 and the column 22 of be connected plate 21 and backing plate 1, fixed plate 21 is provided with placement
The pilot hole of barrel 4, the center of pilot hole matches with the center of circular scale 11, bottom and the backing plate 1 of barrel 4
It is in contact.
Further, as shown in Fig. 2 circular scale 11 is uniformly arranged laterally from the center of backing plate 1, on backing plate 1 also
Provided with rectangular coordinate system 12.The backing plate 1 of the present embodiment is square, and circular scale 11 is uniformly set laterally from the center of backing plate 1
Put, backing plate 1 is provided with rectangular coordinate system 12 along its diagonal and centerline direction.Circular scale 11 is with backing plate 1
Two circular scales 11 are only illustrated in multiple concentric circles that heart point is formed for the center of circle, Fig. 2, have a plurality of annular to carve in actual use
Degree 11, rectangular coordinate system 12 is used to subsidiary.The shape of backing plate 1 be not limited to it is square, can also using other shape.
Further, altitude scale 3 includes vertical rod 31 and horizontal mark post 32, and vertical rod 31 is set and vertical rod perpendicular to backing plate 1
31 are provided with scale, and horizontal mark post 32 is rotatable to be fixed in vertical rod 31, and high-low-position of the horizontal mark post 32 in vertical rod 31
Put adjustable.
Further, barrel 4 is hollow cylinder, and the internal diameter of barrel 4 is not less than maximum sized 5 times of material particles, excellent
Choosing, the internal diameter of barrel 4 is even number, and the height of barrel 4 is equal with the internal diameter of barrel 4.Here the internal diameter of barrel 4 refers to for even number
Generally take even number, such as 8cm, 10cm, 16cm；For special material measurement when, the height of barrel 4 can be more than barrel 4
Diameter.
Further, backing plate 1 is plastic plate or metallic plate, and its surface roughness is between Ra3.6~Ra6.3.Backing plate 1
Material is not limited to plastic plate or metallic plate.
Further, barrel 4 is transparent material, and its inside surface roughness is not higher than Ra6.3.The material of barrel 4 also not office
It is limited to transparent material.
Further, the upper position of barrel 4 is provided with the handle 41 for being easy to handling.
Further, the height for being smaller than barrel 4 between fixed plate 21 and backing plate 1.
Further, the diameter of pilot hole is slightly larger than the external diameter of barrel 4.
Operation principle and the course of work of the present utility model are as follows：
Before detection, by the horizontal positioned of backing plate 1, support 2 is placed on the backing plate 1 with circular scale, leading in fixed plate 21
To hole and the central coaxial of the circular scale 11 of backing plate 1, altitude scale 3 is vertically installed on the backing plate 1 with circular scale 11, barrel
4 are arranged in the pilot hole of fixed plate 21.During detection, barrel 4 is just put into the pilot hole of support 2 to the center of backing plate 1, will be expected
Layer is crushed the bulk material that is taken of production practices scene and stirred and evenly mixed, and is placed in barrel 4, top strikes off, operator with 2~
3cm/s speed is at the uniform velocity drawn upwardly out barrel, material is paved naturally on backing plate 1 under conditions of free-flowing, passes through pad
Circular scale 11 on plate 1 measures the radius r that paves of material, and the height that material is longitudinally accumulated is measured by altitude scale 3
H, the angle of repose ψ of material is calculated by the two values, and angle of repose ψ is bigger, and material bed stability is better.Material paves half
Footpath r can use maximum and pave the average of radius and the minimum radius that paves, angle of repose ψ can with METHOD FOR CONTINUOUS DETERMINATION repeatedly, obtain average value A and
Mean square deviation a.
The calculation formula of repose angle of material is：
Wherein：ψ is the angle of repose of material；
H is the height that material is longitudinally accumulated；
R is the radius that paves of material.
Detect embodiment：
A factories bed of material comminuting matter is detected, the radius r=8.80cm that paves is measured, maximum accumulation is read from altitude scale high
Degree h=9.68cm, then angle of repose ψ tangent value tan ψ=1.10, therefore ψ=47.7 °.
B factories bed of material comminuting matter is detected, the radius r=10.00cm that paves is measured, maximum accumulation is read from altitude scale high
Degree h=7.50cm, then angle of repose ψ tangent value tan ψ=0.75, therefore ψ=36.9 °.
By comparing, the angle of repose of A factories is more than B factories, then the material bed stability of A factories is better than B factories, and B factories are needed in production
When should do corresponding adjustment, to improve the stability of the bed of material.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, on the premise of the utility model design spirit is not departed from, and those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (9)
1. a kind of detection means of bulk material stability when the bed of material is crushed, it is characterised in that：Including backing plate（1）, support
（2）, altitude scale（3）And barrel（4）, described backing plate（1）Arrange in horizontal direction, and backing plate（1）Upper face be provided with
Circular scale（11）, described support（2）Including parallel to backing plate（1）The fixed plate of setting（21）And the plate that is connected（21）
With backing plate（1）Column（22）, described fixed plate（21）Provided with placement barrel（4）Pilot hole, in the pilot hole
Heart position and circular scale（11）Center match, the barrel（4）Bottom and backing plate（1）It is in contact.
2. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Circular scale（11）From backing plate（1）Center be uniformly arranged laterally, described backing plate（1）On be additionally provided with rectangular coordinate system
（12）.
3. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Altitude scale（3）Including vertical rod（31）And horizontal mark post（32）, described vertical rod（31）Perpendicular to backing plate（1）Set and vertical rod
（31）It is provided with scale, described horizontal mark post（32）It is rotatable to be fixed on vertical rod（31）On, and horizontal mark post（32）Vertical
Bar（31）On high and low position it is adjustable.
4. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Barrel（4）For hollow cylinder, the barrel（4）Internal diameter be not less than maximum sized 5 times of material particles.
5. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Backing plate（1）For plastic plate or metallic plate, its surface roughness is between Ra3.6~Ra6.3.
6. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Barrel（4）For transparent material, its inside surface roughness is not higher than Ra6.3.
7. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Barrel（4）Upper position be provided with and be easy to the handle of handling（41）.
8. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
Fixed plate（21）With backing plate（1）Between be smaller than barrel（4）Height.
9. the detection means of bulk material according to claim 1 stability when the bed of material is crushed, it is characterised in that：It is described
The diameter of pilot hole is slightly larger than barrel（4）External diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489479.0U CN206399763U (en) | 2016-12-31 | 2016-12-31 | A kind of detection means of bulk material stability when the bed of material is crushed |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621489479.0U CN206399763U (en) | 2016-12-31 | 2016-12-31 | A kind of detection means of bulk material stability when the bed of material is crushed |
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| CN206399763U true CN206399763U (en) | 2017-08-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769669A (en) * | 2016-12-31 | 2017-05-31 | 中建材（合肥）粉体科技装备有限公司 | The detection means and detection method of bulk material stability when the bed of material is crushed |
| CN108645311A (en) * | 2018-03-08 | 2018-10-12 | 上海市质量监督检验技术研究院 | A kind of sample cover for agricultural film drip performance tester |
-
2016
- 2016-12-31 CN CN201621489479.0U patent/CN206399763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769669A (en) * | 2016-12-31 | 2017-05-31 | 中建材（合肥）粉体科技装备有限公司 | The detection means and detection method of bulk material stability when the bed of material is crushed |
| CN108645311A (en) * | 2018-03-08 | 2018-10-12 | 上海市质量监督检验技术研究院 | A kind of sample cover for agricultural film drip performance tester |
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