CN104237065A - Device for measuring tap density of coke - Google Patents
Device for measuring tap density of coke Download PDFInfo
- Publication number
- CN104237065A CN104237065A CN201310239412.6A CN201310239412A CN104237065A CN 104237065 A CN104237065 A CN 104237065A CN 201310239412 A CN201310239412 A CN 201310239412A CN 104237065 A CN104237065 A CN 104237065A
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- Prior art keywords
- tap density
- sealing system
- graduated cylinder
- density
- vacuum pump
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Abstract
The invention discloses a device for measuring the tap density of coke, which comprises a sealing system and a vacuum pump. The measuring cylinder can be fixed on the densimeter, the densimeter can vibrate, the sealing system is connected with the vacuum pump, and the vacuum pump vacuumizes the inside of the sealing system. By adopting the technical scheme of the invention, the vacuum and the sealing of the environment can be kept when the tap density of the coke is measured, the measuring result is prevented from being influenced by environmental factors such as air resistance, humidity and the like, the working environment is improved, and the accuracy of the measured value is improved.
Description
Technical field
The present invention relates to a kind of powder tap density pick-up unit, more particularly, relate to a kind of device measuring coke tap density.
Background technology
The method of current mensuration coke tap density mainly contains following two kinds: 1, Traditional Method; 2, instrumental method.The former is prevailing, operates also simple---select the graduated cylinder of certain specification, will treat that test sample loads wherein, and vertically shake to constancy of volume with hand, then namely obtain tap density with coke quality divided by measurement cylinder reading.But the method affects greatly by artificial factor, cause precision and the poor accuracy of measurement result, now substantially do not adopt.
In order to solve personal error and loaded down with trivial details workload, measure tap density at present and mostly adopt tap density meter, specification is also many.But these Density Measuring Instruments have a common shortcoming, i.e. all operations in open environment, keeping away unavoidable particle during mensuration affects by air resistance, institute's measured value is caused not react truth, especially powder materials, the dust hiked up also pollutes the environment, and has a strong impact on operator's health.
Chinese patent " a kind of determinator of electromagnetism positive pole powder material tap density " (CN202362035), change traditional Density Measuring Instrument, graduated cylinder adds a lid, prevent powder in mensuration process from sputtering away, to affect the accuracy of measurement result, but do not guarantee that whole mensuration process is in air-tight state all the time, the impact that the environment factor such as air resistance or humidity treats test sample can not be eliminated, finally cause measurement result to depart from actual value.
Chinese patent " a kind of novel tap density meter " (CN202126381) devises a kind of physical construction of more complicated, instrument vibration is driven by motor, although the problem of fully vibration can be solved, can not avoid equally removing the impact that the environment factor such as air resistance or humidity treats test sample.
Summary of the invention
Object of the present invention aims to provide a kind of device measuring coke tap density, solves in prior art when measuring coke tap density and cannot really accomplish airtight problem.
According to the present invention, a kind of device measuring coke tap density is provided, comprises sealing system and vacuum pump.Wherein, the inner density of setting instrument of sealing system, graduated cylinder, its surface comprises sealable gathering hole, and graduated cylinder can be fixed on Density Measuring Instrument, and Density Measuring Instrument can vibrate, and sealing system connects vacuum pump, and sealing system inside vacuumizes by vacuum pump.
According to one embodiment of the invention, sealing system comprises slit, and the width of slit is more bigger than graduated cylinder diameter, and length fixes graduated cylinder place for datum line with Density Measuring Instrument, until concordant with graduated cylinder mouth.
According to one embodiment of the invention, slit width 2cm larger than graduated cylinder diameter.
According to one embodiment of the invention, graduated cylinder surface arranges eyepiece, and eyepiece is convex lens, can slide along slit.
According to one embodiment of the invention, between vacuum pump and sealing system, vacuum buffer tank is set.
According to one embodiment of the invention, vacuum buffer tank arranges tensimeter.
According to one embodiment of the invention, be connected by gate valve between vacuum pump with vacuum buffer tank.
According to one embodiment of the invention, be connected by T-valve between vacuum buffer tank with sealing system.
According to one embodiment of the invention, sealing system inside arranges infrared lamp.
Have employed technical scheme of the present invention, the vacuum of environment and airtight can be kept when measuring coke tap density, preventing measurement result to be subject to the impact of the environmental factor such as air resistance and humidity, improving working environment, improving the accuracy of measured value.
Accompanying drawing explanation
In the present invention, identical Reference numeral represents identical feature all the time, wherein:
Fig. 1 is the structural representation that the present invention measures the device of coke tap density.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with drawings and Examples.
In tap density mensuration process, because whole process is in open system, cause powder floats in the environment, affect operator healthy, be subject to the impact of the environment factor such as air resistance and humidity simultaneously, cause particle packing leakiness, affect the accuracy of final measurement.Object of the present invention is exactly to solve the problem, and improves working environment, improves the accuracy of measured value.
With reference to Fig. 1, the present invention mainly contains 7 large parts compositions: sealing system 1, Density Measuring Instrument 2, vacuum buffer tank 3, vacuum pump 4, tensimeter 5, T-valve 6 and gate valve 7.Describe effect and the annexation of all parts below in detail.
As shown in Figure 1, key of the present invention is sealing system 1, and it is made up of eyepiece 1-1, slit 1-4, gathering hole 1-2 and infrared lamp 1-3.Density Measuring Instrument 2 is arranged on the bottom of sealing system 1, and graduated cylinder can be fixed on Density Measuring Instrument 2, and Density Measuring Instrument 2 can vibrate.
The width 2cm larger than graduated cylinder diameter of slit 1-4, length fixes graduated cylinder place for datum line with Density Measuring Instrument, until concordant with graduated cylinder mouth, effectively can guarantee that volume reading is in FOV (Field of View).
Eyepiece 1-1 is one piece of oval convex lens, freely can slide up and down on slit 1-4, guarantees that cylinder scale line is clear, and avoiding should the fuzzy and reading error that causes.
Infrared lamp 1-3 guarantees that sealing system 1 is in dry environment all the time, prevents powder or particle from making moist in measuring process and sticks together, and make granularity become large, final measurement departs from actual value, and light makes the ken become more limpid in sight simultaneously.
Gathering hole 1-2 can be airtight, is convenient to get, vary operation, under making sealing system 1 can guarantee that whole measuring process is in air-tight state all the time, not by the impact of the environment such as air resistance and humidity, ensures that measurement result is accurate.
Vacuum buffer tank 3 is set between vacuum pump 4 and sealing system 1, is connected by gate valve 7 between vacuum pump 4 with vacuum buffer tank 3, be connected by T-valve 6 between vacuum buffer tank 3 with sealing system 1.Vacuum buffer tank is arranged tensimeter 5, tensimeter 5 can share by positive/negative-pressure.
The specific operation process that the present invention measures the device of coke tap density is as follows:
preparatory stage
To treat in test sample charge weight cylinder, opening operation mouth 1-2, is then fixed on graduated cylinder on Density Measuring Instrument 2, shutoff operation mouth 1-2, open infrared lamp 1-3, open gate valve 7, T-valve 6 is pulled to logical main road direction, finally opens vacuum pump 4, when the tensimeter on vacuum buffer tank 3 points to tiny structure, show that air is replaced, close vacuum pump 4, closing gate valve 7.Now, whole measurement environment has been in close drying and under state without any resistance.
serviceability limit stage
Inserted by the attaching plug of Density Measuring Instrument 1 in socket, vibration starts, and namely measures beginning.After reaching regulation vibration number, pull out power supply.Then slip eyepiece 1-1 starts reading to appropriate location, and writes down numerical value.Finally, T-valve 6 is pulled to air communication direction, make System recover normal pressure, opening operation mouth 1-2, carries out next group sample tests.
Detailed process is " preparation " and " serviceability limit stage " step repeatedly.
Whole measuring process is in enclosed system to utilize the present invention to guarantee, improves operating environment, and particle is not also by the impact of the environment factors such as resistance and humidity such as air, and measured result has reacted truth.Without the need to graduated cylinder is taken off from Density Measuring Instrument during reading, avoid and should take off graduated cylinder and cause sample stacking face artificially to be tilted or overturn and affect the accuracy of final measurement.Meanwhile, two infrared lamps can guarantee that system is in dry environment always, prevent powder or particle to make moist the accuracy of adhesion and final measured value.
Those of ordinary skill in the art will be appreciated that, above instructions is only one or more embodiments in the numerous embodiment of the present invention, and not uses limitation of the invention.Any equalization for the above embodiment changes, modification and the equivalent technical scheme such as to substitute, as long as spirit according to the invention, all will drop in scope that claims of the present invention protect.
Claims (9)
1. measure a device for coke tap density, comprise sealing system and vacuum pump, it is characterized in that:
The inner density of setting instrument of described sealing system, graduated cylinder, its surface comprises sealable gathering hole, and described graduated cylinder can be fixed on described Density Measuring Instrument, and described Density Measuring Instrument can vibrate;
Described sealing system connects vacuum pump, and described sealing system inside vacuumizes by described vacuum pump.
2. the device measuring coke tap density as claimed in claim 1, it is characterized in that, described sealing system comprises slit, and the width of described slit is more bigger than graduated cylinder diameter, and length fixes graduated cylinder place for datum line with Density Measuring Instrument, until concordant with graduated cylinder mouth.
3. the device measuring coke tap density as claimed in claim 1, is characterized in that, described slit width 2cm larger than described graduated cylinder diameter.
4. the device measuring coke tap density as claimed in claim 1, it is characterized in that, described graduated cylinder surface arranges eyepiece, and described eyepiece is convex lens, can slide along described slit.
5. the device measuring coke tap density as claimed in claim 1, is characterized in that, arrange vacuum buffer tank between described vacuum pump and described sealing system.
6. the device measuring coke tap density as claimed in claim 5, is characterized in that, described vacuum buffer tank arranges tensimeter.
7. the device measuring coke tap density as claimed in claim 5, be is characterized in that, be connected between described vacuum pump with described vacuum buffer tank by gate valve.
8. the device measuring coke tap density as claimed in claim 5, be is characterized in that, be connected between described vacuum buffer tank with described sealing system by T-valve.
9. the device measuring coke tap density as claimed in claim 1, it is characterized in that, described sealing system inside arranges infrared lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239412.6A CN104237065B (en) | 2013-06-17 | 2013-06-17 | Device for measuring tap density of coke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310239412.6A CN104237065B (en) | 2013-06-17 | 2013-06-17 | Device for measuring tap density of coke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104237065A true CN104237065A (en) | 2014-12-24 |
| CN104237065B CN104237065B (en) | 2017-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310239412.6A Active CN104237065B (en) | 2013-06-17 | 2013-06-17 | Device for measuring tap density of coke |
Country Status (1)
| Country | Link |
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| CN (1) | CN104237065B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769648A (en) * | 2017-01-05 | 2017-05-31 | 上海宝钢工业技术服务有限公司 | A kind of method for automatically determining coke true relative density |
| CN114018757A (en) * | 2021-11-09 | 2022-02-08 | 黑龙江普莱德新材料科技有限公司 | Automatic device and method for accurately measuring tap density |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168535A (en) * | 1986-12-29 | 1988-07-12 | Kyoto Denshi Kogyo Kk | Sampling of vibration type densitometer |
| JP2007263860A (en) * | 2006-03-29 | 2007-10-11 | Dowa Holdings Co Ltd | Tap density measuring method and device of powder |
| JP2009002880A (en) * | 2007-06-25 | 2009-01-08 | Ihi Inspection & Instrumentation Co Ltd | Device and method for measuring apparent density of porous part |
| CN201402240Y (en) * | 2009-04-02 | 2010-02-10 | 宋玉峰 | High-efficiency bulk density instrument |
| CN202126381U (en) * | 2011-06-15 | 2012-01-25 | 绵阳市涪城区力田磁电科技有限公司 | Novel tap density meter |
| CN202548037U (en) * | 2012-05-24 | 2012-11-21 | 黑龙江立高科技开发有限公司 | Powder tapping density apparatus |
-
2013
- 2013-06-17 CN CN201310239412.6A patent/CN104237065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63168535A (en) * | 1986-12-29 | 1988-07-12 | Kyoto Denshi Kogyo Kk | Sampling of vibration type densitometer |
| JP2007263860A (en) * | 2006-03-29 | 2007-10-11 | Dowa Holdings Co Ltd | Tap density measuring method and device of powder |
| JP2009002880A (en) * | 2007-06-25 | 2009-01-08 | Ihi Inspection & Instrumentation Co Ltd | Device and method for measuring apparent density of porous part |
| CN201402240Y (en) * | 2009-04-02 | 2010-02-10 | 宋玉峰 | High-efficiency bulk density instrument |
| CN202126381U (en) * | 2011-06-15 | 2012-01-25 | 绵阳市涪城区力田磁电科技有限公司 | Novel tap density meter |
| CN202548037U (en) * | 2012-05-24 | 2012-11-21 | 黑龙江立高科技开发有限公司 | Powder tapping density apparatus |
Non-Patent Citations (2)
| Title |
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| 中华人民共和国国家监督检验检疫总局 等: "《GB/T 21354-2008 粉末产品 振实密度测定通用方法》", 30 April 2008 * |
| 郭志红 等: "二步煅烧法制备高振实密度钛酸锂负极材料", 《中国有色金属学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769648A (en) * | 2017-01-05 | 2017-05-31 | 上海宝钢工业技术服务有限公司 | A kind of method for automatically determining coke true relative density |
| CN106769648B (en) * | 2017-01-05 | 2019-02-22 | 上海宝钢工业技术服务有限公司 | A method of automatically determining coke true relative density |
| CN114018757A (en) * | 2021-11-09 | 2022-02-08 | 黑龙江普莱德新材料科技有限公司 | Automatic device and method for accurately measuring tap density |
| CN114018757B (en) * | 2021-11-09 | 2023-10-13 | 中建材黑龙江石墨新材料有限公司 | Automatic device and method for accurately measuring tap density |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104237065B (en) | 2017-03-15 |
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Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Material Technology Co., Ltd. Address before: No. 3501 Tongji Road, Baoshan District, Shanghai 201900 Patentee before: Chemical Co., Ltd. of Baoshan Iron and Steel Group, Shanghai |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee after: Baowu Carbon Technology Co.,Ltd. Address before: Weisan Road Chemical Office Building, Baoshan District, Shanghai, 2004 Patentee before: BAOWU CARBON MATERIAL TECHNOLOGY Co.,Ltd. |