CN203069484U - Device for measuring air permeability of sintered mixture - Google Patents
Device for measuring air permeability of sintered mixture Download PDFInfo
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- CN203069484U CN203069484U CN 201320050984 CN201320050984U CN203069484U CN 203069484 U CN203069484 U CN 203069484U CN 201320050984 CN201320050984 CN 201320050984 CN 201320050984 U CN201320050984 U CN 201320050984U CN 203069484 U CN203069484 U CN 203069484U
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- vacuum cone
- sintered mixture
- flowmeter
- table top
- flexible pipe
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Abstract
The utility model discloses a device for measuring air permeability of a sintered mixture. The device comprises a rack, a test cup, an exhaust fan, a pressure sensor, a pressure display device, a flow meter and a vacuum cone, wherein the test cup is used for containing the sintered mixture, and the bottom of the test cup is uniformly provided with multiple round holes; the vacuum cone is fixed below a table top of the rack; the test cup is arranged on the vacuum cone; two ventilation openings are formed in the side wall of the vacuum cone; one ventilation opening is connected to one end of the flow meter through a hose, and the flow meter is fixed on the table top of the rack through a flange; the other ventilation opening is connected to the pressure sensor through the hose; the other end of the flow meter is connected to the exhaust fan through the hose; and the pressure sensor is in communication connection with the pressure display device fixed on the table top. The device has the technical effects that the equipment is simple and safe, and the air permeability conditions of the sintered mixture can be accurately, qualitatively and quantitatively reflected.
Description
Technical field
The utility model relates to the technical field of weighing agglomeration for iron mine mixture granulation effect, particularly a kind of sintered mixture ventilation determinator.
Background technology
Sintering process and pelletizing method are the main Iron Ore Powder moulding agglomeration methods of two classes of present commercial Application.And sintering process is present commercial Application comparative maturity, consistent agglomeration method.
In sintering production process, the throughput rate of sintering machine is proportional with vertical sintering speed, and the air capacity by the bed of material is directly proportional in sintering velocity and unit interval, therefore study the Changing Pattern of the gas penetration potential of sinter bed, searching improves the approach of permeability of sintering material bed, has great importance to improving productivity of sinter.And the gas penetration potential of sinter bed is subjected to the influence of feedstock property, granulation moisture, adjuvant, granulating process equipment etc., therefore at feedstock property, granulation moisture, adjuvant each time, all need to measure the gas penetration potential of compound when granulating process equipment changes, thereby in time the adjusting process parameter guarantees sintering work carrying out normally and efficiently.
The utility model content
In order to solve the ventilation characteristic measuring problem of present sinter bed, the utility model provides a kind of sintered mixture ventilation determinator that can accurately record the mixture ventilation index.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is, a kind of sintered mixture ventilation determinator, comprise frame, be used for putting the evenly distributed test glass that a plurality of circular holes are arranged in bottom of sinter mixture, air exhauster, pressure transducer, pressure-display device, flowmeter, the vacuum cone, described vacuum cone is fixed under the table top of frame, described test glass is positioned on the vacuum cone, have two ventilating openings on the sidewall of vacuum cone, wherein a ventilating opening is connected to an end that is fixed in the flowmeter on the rack table by flange by flexible pipe, another ventilating opening is connected to pressure transducer by flexible pipe, the other end of described flowmeter is connected to air exhauster by flexible pipe, and described pressure transducer communicates to connect to the pressure-display device that is fixed on the table top.
Described a kind of sintered mixture ventilation determinator, the flexible pipe that described flowmeter is connected with the vacuum cone are provided with for the variable valve of regulating air quantity.
Described a kind of sintered mixture ventilation determinator, the bottom of described vacuum cone is provided with the stopper that can extract.
Described a kind of sintered mixture ventilation determinator, the Circularhole diameter of the bottom of test glass is 3mm.
Technique effect of the present utility model is that equipment is simple and safe, can be accurately, the gas penetration potential situation of qualitative and quantitative reaction-sintered compound.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Wherein 1 is frame, and 2 is pressure-display device, and 3 is pressure transducer, and 4 is test glass, and 6 is flowmeter, and 7 is flange, and 8 is the vacuum cone, and 9 is variable valve, and 10 is stopper, and 12 is air exhauster.
Embodiment
Referring to Fig. 1, the utility model comprises frame, be used for putting the evenly distributed test glass that a plurality of circular holes are arranged in bottom of sinter mixture, air exhauster, pressure transducer, pressure-display device, flowmeter, the vacuum cone, the vacuum cone is fixed under the table top of frame, test glass is positioned on the vacuum cone, have two ventilating openings on the sidewall of vacuum cone, wherein a ventilating opening is connected to an end that is fixed in the flowmeter on the rack table by flange by flexible pipe, another ventilating opening is connected to pressure transducer by flexible pipe, the other end of flowmeter is connected to air exhauster by flexible pipe, and pressure transducer communicates to connect to the pressure-display device that is fixed on the table top.The flexible pipe that flowmeter is connected with the vacuum cone is provided with for the variable valve of regulating air quantity.The bottom of vacuum cone is provided with the stopper that can extract.The Circularhole diameter of the bottom of test glass is 3mm.
The utility model is by air exhauster, flowmeter and the variable valve control flow by bed of material wind, loss in head when recording gas by the bed of material by differential manometer, reading flow value and pressure difference, and can calculate the permeability index of sinter mixture by the E.W.Voice formula.By pressure difference can qualitative reflection sinter mixture gas penetration potential.
In the present embodiment, the stainless steel test glass internal diameter that test is used for adorning sinter mixture is 100mm, highly is 200mm that the circular hole of the evenly distributed Φ 3mm in bottom is so that air-flow passes through test glass.Flow is counted LZB-25 glass rotameter, and range is 1.6-16M/H.The differential manometer model is PCP-SD05, and range is 0 ~ 10kPa.
Assay method of the present utility model is: the sinter mixture behind mixing granulation is easily packed in the test glass 4, will test cup and slowly be placed on the vacuum cone, start air exhauster 12, by variable valve 9 flowmeter 6 is transferred to 10M
3/ min, record pressure-display device 3 readings this moment, can calculate the permeability index (unit is J.P.U) of sinter mixture by the E.W.Voice formula.This measures triplicate, and error is not more than 5%, gets its mean value as the net result of this time experiment.
The E.W.Voice formula is as follows:
Wherein: Q is the air quantity by the bed of material, m
3/ min;
A is the exhausting area, m
2
Δ P is the exhausting negative pressure, Pa;
H is work loading height, m;
The n value of sinter mixture is 0.62-0.66.
After the off-test, if there is the sinter mixture particle to fall into to the vacuum cone, then can extract the stopper of vacuum cone base from the experiment cup, the sinter mixture particle can drop out in the vacuum cone, in order to avoid influence experimental result.
Claims (4)
1. sintered mixture ventilation determinator, it is characterized in that, comprise frame, be used for putting the evenly distributed test glass that a plurality of circular holes are arranged in bottom of sinter mixture, air exhauster, pressure transducer, pressure-display device, flowmeter, the vacuum cone, described vacuum cone is fixed under the table top of frame, described test glass is positioned on the vacuum cone, have two ventilating openings on the sidewall of vacuum cone, wherein a ventilating opening is connected to an end that is fixed in the flowmeter on the rack table by flange by flexible pipe, another ventilating opening is connected to pressure transducer by flexible pipe, the other end of described flowmeter is connected to air exhauster by flexible pipe, and described pressure transducer communicates to connect to the pressure-display device that is fixed on the table top.
2. a kind of sintered mixture ventilation determinator according to claim 1 is characterized in that, the flexible pipe that described flowmeter is connected with the vacuum cone is provided with for the variable valve of regulating air quantity.
3. a kind of sintered mixture ventilation determinator according to claim 1 is characterized in that the bottom of described vacuum cone is provided with the stopper that can extract.
4. a kind of sintered mixture ventilation determinator according to claim 1 is characterized in that, the Circularhole diameter of the bottom of test glass is 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050984 CN203069484U (en) | 2013-01-30 | 2013-01-30 | Device for measuring air permeability of sintered mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320050984 CN203069484U (en) | 2013-01-30 | 2013-01-30 | Device for measuring air permeability of sintered mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203069484U true CN203069484U (en) | 2013-07-17 |
Family
ID=48768258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320050984 Expired - Lifetime CN203069484U (en) | 2013-01-30 | 2013-01-30 | Device for measuring air permeability of sintered mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203069484U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104048905A (en) * | 2014-04-28 | 2014-09-17 | 上海浦马机电工程技术有限公司 | Permeability detector of mixed minerals and permeability improvement method of mixed minerals |
| CN105021645A (en) * | 2014-04-17 | 2015-11-04 | 宝山钢铁股份有限公司 | Test unit for online analysis of sintering process and application method thereof |
| CN107340208A (en) * | 2017-07-07 | 2017-11-10 | 天马（安徽）国药科技股份有限公司 | A kind of pseudo-ginseng micro mist detection means |
| CN107908154A (en) * | 2017-10-16 | 2018-04-13 | 首钢集团有限公司 | Single wind turbine production control method, device, computer-readable storage medium and equipment |
| CN111929222A (en) * | 2020-09-14 | 2020-11-13 | 安徽工业大学 | System for continuously measuring air permeability of sintering mixture and measuring method thereof |
-
2013
- 2013-01-30 CN CN 201320050984 patent/CN203069484U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105021645A (en) * | 2014-04-17 | 2015-11-04 | 宝山钢铁股份有限公司 | Test unit for online analysis of sintering process and application method thereof |
| CN105021645B (en) * | 2014-04-17 | 2018-03-09 | 宝山钢铁股份有限公司 | The experimental rig and its application method of on-line analysis sintering process |
| CN104048905A (en) * | 2014-04-28 | 2014-09-17 | 上海浦马机电工程技术有限公司 | Permeability detector of mixed minerals and permeability improvement method of mixed minerals |
| CN107340208A (en) * | 2017-07-07 | 2017-11-10 | 天马（安徽）国药科技股份有限公司 | A kind of pseudo-ginseng micro mist detection means |
| CN107908154A (en) * | 2017-10-16 | 2018-04-13 | 首钢集团有限公司 | Single wind turbine production control method, device, computer-readable storage medium and equipment |
| CN111929222A (en) * | 2020-09-14 | 2020-11-13 | 安徽工业大学 | System for continuously measuring air permeability of sintering mixture and measuring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |