CN111077070A - Fly ash adhesion force measuring device and measuring method thereof - Google Patents
Fly ash adhesion force measuring device and measuring method thereof Download PDFInfo
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- CN111077070A CN111077070A CN201911301976.1A CN201911301976A CN111077070A CN 111077070 A CN111077070 A CN 111077070A CN 201911301976 A CN201911301976 A CN 201911301976A CN 111077070 A CN111077070 A CN 111077070A
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- 239000010881 fly ash Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 19
- 238000005259 measurement Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 239000004576 sand Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a fly ash adhesion force measuring device and a measuring method thereof, and the fly ash adhesion force measuring device comprises a workbench, wherein a support is arranged on the workbench, fixed pulleys are arranged on two sides of the upper end of the support, a connecting rope is arranged between the two fixed pulleys in a sliding manner, one end of the connecting rope is fixedly provided with a liquid containing barrel, the upper end of the liquid containing barrel is provided with a liquid inlet, the lower end of the liquid containing barrel is at a certain distance from the upper surface of the workbench, the other end of the connecting rope is fixedly provided with a measuring barrel, the lower end of the measuring barrel is also provided with a fixed seat, and the fixed; the liquid containing barrel comprises a first barrel body and a second barrel body which are communicated with each other, the first barrel body is connected with the second barrel body through a buckle, and the inner diameter of the first barrel body is the same as that of the second barrel body. The method has the advantages of simple operation, normal temperature operation, safety, reliability, high accuracy and the like, and can be used for measuring the adhesion of the fly ash and the adhesion of other dust particles.
Description
Technical Field
The invention relates to the technical field of fly ash adhesion measurement, in particular to a fly ash adhesion measurement device and a measurement method thereof.
Background
The adhesion of the fly ash is an important index for restricting normal, high-efficiency and economic production of coal gasification enterprises, and the adhesion of the fly ash is an important index for the adhesion of the fly ash. In the previous research, the adhesion of the fly ash is generally laterally represented by sintering strength and phase transition temperature, the experimental conditions are harsh, the operation is complex, the cost is high, and the adhesion of the fly ash cannot be intuitively reflected.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides the fly ash adhesion force measuring device and the measuring method thereof, which have the advantages of simple operation, normal temperature operation, safety, reliability, high accuracy and the like, and can be used for measuring the adhesion force of the fly ash and the adhesion force of other dust particles.
The fly ash adhesion force measuring device comprises a workbench, wherein a support is arranged on the workbench, fixed pulleys are arranged on two sides of the upper end of the support, a connecting rope is arranged between the two fixed pulleys in a sliding mode, a liquid containing barrel is fixedly arranged at one end of the connecting rope, a liquid inlet is formed in the upper end of the liquid containing barrel, a certain distance exists between the lower end of the liquid containing barrel and the upper surface of the workbench, a measuring barrel is fixedly arranged at the other end of the connecting rope, a fixing seat is further arranged at the lower end of the measuring barrel, and the fixing seat is fixedly connected with the workbench.
Preferably, the liquid containing barrel comprises a first barrel body and a second barrel body which are communicated with each other, the first barrel body is connected with the second barrel body through a buckle, and the inner diameter of the first barrel body is the same as that of the second barrel body.
Preferably, the buckle with the equal sliding connection of first barrel, second barrel, just the buckle with be equipped with first spring between the second barrel, the buckle inboard is equipped with the sand grip of inside extension, just all be equipped with on first barrel, the second barrel lateral wall with sand grip sliding connection's first spout.
Preferably, a first positioning pin is arranged at the upper end of the buckle, a first pin hole matched with the first positioning pin is formed in the outer side wall of the first barrel, and a second pin hole matched with the first positioning pin is formed in the outer side wall of the second barrel.
Preferably, the fixed seat comprises a base, the upper end of the base is provided with at least 3 third cavities, the third cavities are internally provided with vibrating blocks, the vibrating blocks are connected with the third cavities in a sliding manner, a second spring is arranged between the third vibrating block and the third cavity, the upper end of the third vibrating block is fixedly connected with the bottom of the second cylinder body through a second positioning pin, the middle part of the base is also provided with a through hole penetrating through the base, a transmission block is arranged in the through hole, the upper end of the transmission block is provided with a positioning block clamped with the bottom of the second cylinder body, the inner wall of the through hole is also provided with a second sliding chute, the positioning block is connected with the second sliding chute in a sliding way, the inner wall of the transmission block is provided with a plurality of gear teeth, and a half gear in transmission connection with the gear teeth is arranged in the transmission block, and the half gear is in transmission connection with a motor (not shown in the figure).
Preferably, the bottom of the second barrel is provided with a first cavity and a second cavity which are matched with the positioning block, two ends of the second cavity are opened, and the upper end of the opening of the second cavity is communicated with the first cavity.
The measuring method of the fly ash adhesion measuring device provided by the invention comprises the following steps:
s1: the first cylinder and the second cylinder are fixed through a buckle;
s2: filling fly ash into the measuring barrel from the upper end of the first barrel;
s3: fixing the bottom of the second cylinder on the vibrating block through a second positioning pin, and starting a motor connected with the half gear to drive the transmission block to reciprocate along the vertical direction;
s4: after the end, one end of the connecting rope is fixedly connected with the upper end of the measuring cylinder, and the other end of the connecting rope is fixed at the upper end of the liquid containing cylinder;
s5: the first positioning pin on the buckle is taken out from the first pin hole in the first cylinder, the buckle is pressed downwards, then the first positioning pin is fixed in the second pin hole of the second cylinder, then liquid is added into the liquid containing cylinder until the first cylinder is disconnected with the second cylinder, then the weight of the liquid containing cylinder and the weight of the first cylinder are respectively measured, and the adhesion force of the fly ash can be calculated.
Preferably, the fly ash adhesion is measured by the formula:
P=(G-G1+G2)/A
in the formula: p is the vertical breaking strength of fly ash, g/cm2(ii) a G is the total weight of the liquid in the liquid containing cylinder G; g1Is the total weight of the first cylinder, g; g2Is the mass of the liquid containing cylinder.
Compared with the prior art, the invention has the beneficial technical effects that:
the method can measure the adhesion of the fly ash at normal temperature, and has high accuracy; the buckle arranged between the first barrel and the second barrel is in sliding connection with the first barrel and the second barrel, and directly slides along the side wall of the second barrel during measurement and then is fixed on the second barrel, so that the buckle does not need to be taken down from the measuring barrel, and the influence on the connecting surface of the first barrel and the second barrel is avoided; by adding liquid into the liquid containing cylinder, the total mass of the liquid in the liquid containing cylinder can be known only by determining the density and the volume of the liquid, so that the measurement precision is improved; still be equipped with the transmission piece in the fixing base, can carry out the tap to the flying dust that adds in the measuring cylinder, it is simple and convenient.
Drawings
FIG. 1 is a schematic structural diagram of a fly ash adhesion force measuring device according to the present invention;
fig. 2 is a schematic structural diagram of a measuring cylinder according to the present invention;
FIG. 3 is a cross-sectional view of the clip of the present invention connected to the first barrel;
FIG. 4 is a schematic structural view of a fixing base according to the present invention;
fig. 5 is a cross-sectional view of the bottom of the second cylinder according to the present invention.
In the figure: 1-workbench, 2-liquid containing barrel, 3-connecting rope, 4-fixed pulley, 5-bracket, 6-measuring barrel, 61-first barrel, 611-first pin hole, 612-first sliding groove, 62-buckle, 621-convex strip, 63-second barrel, 631-second pin hole, 632-first cavity, 633-second cavity, 64-first spring, 65-first positioning pin, 7-fixing seat, 71-base, 711-through hole, 712-second sliding groove, 713-third cavity, 714-vibrating block, 715-second spring, 72-half gear, 73-transmission block, 731-positioning block, 732-gear tooth and 74-second positioning pin.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
The fly ash adhesion force measuring device provided by the invention comprises a workbench 1, wherein a support 5 is arranged on the workbench 1, fixed pulleys 4 are respectively arranged on two sides of the upper end of the support 5, a connecting rope 3 is slidably arranged between the two fixed pulleys 4, one end of the connecting rope 3 is fixedly provided with a liquid containing barrel 2, the upper end of the liquid containing barrel 2 is provided with a liquid inlet, the lower end of the liquid containing barrel 2 is at a certain distance from the upper surface of the workbench 1, the other end of the connecting rope 3 is fixedly provided with a measuring barrel 6, the lower end of the measuring barrel 6 is also provided with a fixed seat 7, and the fixed seat 7 is fixedly connected with the workbench 1.
The liquid containing barrel 2 comprises a first barrel body 61 and a second barrel body 63 which are communicated with each other, the first barrel body 61 is connected with the second barrel body 63 through a buckle 62, and the inner diameter of the first barrel body 61 is the same as that of the second barrel body 63.
The upper end of the buckle 62 is provided with a first positioning pin 65, the outer side wall of the first cylinder 61 is provided with a first pin hole 611 matched with the first positioning pin 65, and the outer side wall of the second cylinder 63 is provided with a second pin hole 631 matched with the first positioning pin 65.
The fixing seat 7 comprises a base 71, the upper end of the base 71 is provided with at least 3 third cavities 713, a vibrating block 714 is arranged in each third cavity 713, the vibrating block 714 is connected with the third cavity 713 in a sliding manner, a second spring 715 is arranged between each third vibrating block 714 and each third cavity 713, the upper end of each third vibrating block 714 is fixedly connected with the bottom of the corresponding second cylinder 63 through a second positioning pin 74, the middle of the base 71 is further provided with a through hole 711 penetrating through the base 71, a transmission block 73 is arranged in each through hole 711, a positioning block 731 clamped with the bottom of the corresponding second cylinder 63 is arranged at the upper end of each transmission block 73, the inner wall of each through hole 711 is further provided with a second sliding groove 712, each positioning block 731 is connected with the corresponding second sliding groove 712 in a sliding manner, a plurality of gear teeth 732 are arranged on the inner wall of each transmission block 73, and a half gear 72 in transmission connection with the gear teeth 732 is arranged in, the half gear 72 is in driving connection with a motor (not shown).
The bottom of the second cylinder 63 is provided with a first cavity 632 and a second cavity 633 which are matched with the positioning block 731, two ends of the second cavity 633 are open, and the open upper end of the second cavity 633 is communicated with the first cavity 632.
For the fixing mode of the second cylinder 63 and the base 71 in this application, first, the positioning block 731 at the upper end of the connecting block enters the first cavity 632 along the direction of the second cavity 633, then the second cylinder 63 is rotated by 90 °, and then the bottom of the second cylinder 63 is fixed on the vibrating block 714 through the second positioning pin 74.
The measuring method of the fly ash adhesion measuring device provided by the invention comprises the following steps:
s1: the first cylinder and the second cylinder are fixed through a buckle;
s2: filling fly ash into the measuring barrel from the upper end of the first barrel;
s3: fixing the bottom of the second cylinder on the vibrating block through a second positioning pin, and starting a motor connected with the half gear to drive the transmission block to reciprocate along the vertical direction;
s4: after the end, one end of the connecting rope is fixedly connected with the upper end of the measuring cylinder, and the other end of the connecting rope is fixed at the upper end of the liquid containing cylinder;
s5: the first positioning pin on the buckle is taken out from the first pin hole in the first cylinder, the buckle is pressed downwards, then the first positioning pin is fixed in the second pin hole of the second cylinder, then liquid is added into the liquid containing cylinder until the first cylinder is disconnected with the second cylinder, then the weight of the liquid containing cylinder and the weight of the first cylinder are respectively measured, and the adhesion force of the fly ash can be calculated.
The fly ash adhesion is measured by the formula:
P=(G-G1+G2)/A
in the formula: p is the vertical breaking strength of fly ash, g/cm2(ii) a G is the total weight of the liquid in the liquid containing cylinder G; g1Is the total weight of the first cylinder, g; g2Is the mass of the liquid containing cylinder.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The device for measuring the adhesion force of the fly ash is characterized by comprising a workbench, wherein a support is arranged on the workbench, fixed pulleys are arranged on two sides of the upper end of the support, a connecting rope is arranged between the fixed pulleys in a sliding mode, a liquid containing barrel is fixedly arranged at one end of the connecting rope, a measuring barrel is fixedly arranged at the other end of the connecting rope, a fixing seat is further arranged at the lower end of the measuring barrel, and the fixing seat is fixedly connected with the workbench.
2. The fly ash adhesion measurement device of claim 1, wherein the liquid containing cylinder comprises a first cylinder and a second cylinder which are communicated with each other, the first cylinder and the second cylinder are connected by a snap fit, and the inner diameter of the first cylinder is the same as that of the second cylinder.
3. The fly ash adhesion measuring device of claim 2, wherein the buckle is slidably connected to both the first cylinder and the second cylinder, a first spring is disposed between the buckle and the second cylinder, a protruding strip extending inward is disposed inside the buckle, and a first sliding groove slidably connected to the protruding strip is disposed on the outer side wall of each of the first cylinder and the second cylinder.
4. A fly ash adhesion force measuring device according to claim 3, wherein a first positioning pin is provided at the upper end of the buckle, a first pin hole matching with the first positioning pin is provided on the outer side wall of the first cylinder, and a second pin hole matching with the first positioning pin is provided on the outer side wall of the second cylinder.
5. A fly ash adhesion measurement device as claimed in claim 1, wherein the holder comprises a base, the upper end of the base is provided with at least 3 third cavities, the third cavities are internally provided with vibrating blocks, the vibrating blocks are connected with the third cavities in a sliding way, a second spring is arranged between the third vibrating block and the third cavity, the upper end of the third vibrating block is fixedly connected with the bottom of the second cylinder body through a second positioning pin, the middle part of the base is also provided with a through hole penetrating through the base, a transmission block is arranged in the through hole, the upper end of the transmission block is provided with a positioning block clamped with the bottom of the second cylinder body, the inner wall of the through hole is also provided with a second sliding chute, the positioning block is connected with the second sliding chute in a sliding way, the inner wall of the transmission block is provided with a plurality of gear teeth, and a half gear connected with the gear teeth in a transmission manner is arranged in the transmission block.
6. The fly ash adhesion measuring device of claim 5, wherein the bottom of the second cylinder is provided with a first cavity and a second cavity matched with the positioning block, two ends of the second cavity are open, and the upper end of the opening of the second cavity is communicated with the first cavity.
7. A measuring method of a fly ash adhesion measuring device according to claim 1, characterized by the following method steps:
s1: the first cylinder and the second cylinder are fixed through a buckle;
s2: filling fly ash into the measuring barrel from the upper end of the first barrel;
s3: fixing the bottom of the second cylinder on the vibrating block through a second positioning pin, and starting a motor connected with the half gear to drive the transmission block to reciprocate along the vertical direction;
s4: after the end, one end of the connecting rope is fixedly connected with the upper end of the measuring cylinder, and the other end of the connecting rope is fixed at the upper end of the liquid containing cylinder;
s5: the first positioning pin on the buckle is taken out from the first pin hole in the first cylinder, the buckle is pressed downwards, then the first positioning pin is fixed in the second pin hole of the second cylinder, then liquid is added into the liquid containing cylinder until the first cylinder is disconnected with the second cylinder, then the weight of the liquid containing cylinder and the weight of the first cylinder are respectively measured, and the adhesion force of the fly ash can be calculated.
8. A measuring method of fly ash adhesion force measuring device according to claim 7, wherein the measuring formula of fly ash adhesion force is:
P=(G-G1+G2)/A
in the formula: p is the vertical breaking strength of fly ash, g/cm2(ii) a G is the total weight of the liquid in the liquid containing cylinder G; g1Is the total weight of the first cylinder, g; g2Is the mass of the liquid containing cylinder.
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CN201911301976.1A CN111077070A (en) | 2019-12-17 | 2019-12-17 | Fly ash adhesion force measuring device and measuring method thereof |
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CN201911301976.1A CN111077070A (en) | 2019-12-17 | 2019-12-17 | Fly ash adhesion force measuring device and measuring method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112843665A (en) * | 2021-01-09 | 2021-05-28 | 深圳市瑞驰文体发展有限公司 | Automatic billiard ball feeding device |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005300414A (en) * | 2004-04-14 | 2005-10-27 | Ricoh Co Ltd | Powder adhesiveness measuring method and powder adhesiveness measuring method |
CN202301330U (en) * | 2011-10-21 | 2012-07-04 | 张嘉容 | Rod end connection device |
IN2013KO01160A (en) * | 2013-10-08 | 2015-04-10 | Bharat Heavy Electricals | |
CN205091218U (en) * | 2015-09-29 | 2016-03-16 | 盐城市友普环保科技有限公司 | Flying dust anchoring strength survey device |
CN205295303U (en) * | 2015-12-04 | 2016-06-08 | 中国林业科学研究院亚热带林业研究所 | Conversion device suitable for arabidopsis vacuum filtration |
CN205393659U (en) * | 2016-03-10 | 2016-07-27 | 南京新华人防设备有限公司 | Fixture for joist shears |
CN107725943A (en) * | 2017-11-24 | 2018-02-23 | 厦门理工学院 | A kind of bolt-type bindiny mechanism and bolt-type connected mode |
CN109297902A (en) * | 2018-09-28 | 2019-02-01 | 南昌大学 | A kind of devices and methods therefor measuring dust surface adhesiveness |
CN109596519A (en) * | 2018-12-27 | 2019-04-09 | 山东科技大学 | A kind of gunite concrete time-varying adhesion strength measuring device and measuring method |
CN209028303U (en) * | 2018-12-13 | 2019-06-25 | 昆明众灿塑胶制品有限责任公司 | A kind of telescope stretching tube |
CN209041143U (en) * | 2018-09-26 | 2019-06-28 | 绍兴上虞恒运通风设备有限公司 | A kind of air duct of blower |
CN110189864A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院电工研究所 | A kind of vibration feeding device |
CN110258933A (en) * | 2018-08-17 | 2019-09-20 | 李藏柱 | A kind of fission sleeve connection structure and sleeve and construction method |
CN110328353A (en) * | 2019-08-17 | 2019-10-15 | 江苏新海科技发展有限公司 | A kind of diesel engine radiator aluminium casting vibration sand cleaning machine |
-
2019
- 2019-12-17 CN CN201911301976.1A patent/CN111077070A/en active Pending
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005300414A (en) * | 2004-04-14 | 2005-10-27 | Ricoh Co Ltd | Powder adhesiveness measuring method and powder adhesiveness measuring method |
CN202301330U (en) * | 2011-10-21 | 2012-07-04 | 张嘉容 | Rod end connection device |
IN2013KO01160A (en) * | 2013-10-08 | 2015-04-10 | Bharat Heavy Electricals | |
CN205091218U (en) * | 2015-09-29 | 2016-03-16 | 盐城市友普环保科技有限公司 | Flying dust anchoring strength survey device |
CN205295303U (en) * | 2015-12-04 | 2016-06-08 | 中国林业科学研究院亚热带林业研究所 | Conversion device suitable for arabidopsis vacuum filtration |
CN205393659U (en) * | 2016-03-10 | 2016-07-27 | 南京新华人防设备有限公司 | Fixture for joist shears |
CN107725943A (en) * | 2017-11-24 | 2018-02-23 | 厦门理工学院 | A kind of bolt-type bindiny mechanism and bolt-type connected mode |
CN110258933A (en) * | 2018-08-17 | 2019-09-20 | 李藏柱 | A kind of fission sleeve connection structure and sleeve and construction method |
CN209041143U (en) * | 2018-09-26 | 2019-06-28 | 绍兴上虞恒运通风设备有限公司 | A kind of air duct of blower |
CN109297902A (en) * | 2018-09-28 | 2019-02-01 | 南昌大学 | A kind of devices and methods therefor measuring dust surface adhesiveness |
CN209028303U (en) * | 2018-12-13 | 2019-06-25 | 昆明众灿塑胶制品有限责任公司 | A kind of telescope stretching tube |
CN109596519A (en) * | 2018-12-27 | 2019-04-09 | 山东科技大学 | A kind of gunite concrete time-varying adhesion strength measuring device and measuring method |
CN110189864A (en) * | 2019-05-22 | 2019-08-30 | 中国科学院电工研究所 | A kind of vibration feeding device |
CN110328353A (en) * | 2019-08-17 | 2019-10-15 | 江苏新海科技发展有限公司 | A kind of diesel engine radiator aluminium casting vibration sand cleaning machine |
Non-Patent Citations (1)
Title |
---|
梅乐: "Shell气化飞灰粘附影响因素研究", 《中国优秀硕士学位论文全文数据库,工程科技Ⅰ辑》, no. 08, 15 August 2016 (2016-08-15), pages 50 - 60 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112843665A (en) * | 2021-01-09 | 2021-05-28 | 深圳市瑞驰文体发展有限公司 | Automatic billiard ball feeding device |
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