CN106338314A - Control method for powdery solid material metering - Google Patents
Control method for powdery solid material metering Download PDFInfo
- Publication number
- CN106338314A CN106338314A CN201610840464.2A CN201610840464A CN106338314A CN 106338314 A CN106338314 A CN 106338314A CN 201610840464 A CN201610840464 A CN 201610840464A CN 106338314 A CN106338314 A CN 106338314A
- Authority
- CN
- China
- Prior art keywords
- valve
- magnesium silicide
- tank
- metering
- magnesium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/28—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with stationary measuring chambers having constant volume during measurement
Abstract
The invention relates to a control method for powdery solid material metering. The control method comprises the following steps of: 1) feeding magnesium silicide, namely opening a valve K3, then opening a valve K1, and regulating a valve F1 to a proper opening so as to ensure that a magnesium silicide solid can be fed into a magnesium silicide metering tank from a magnesium silicide storage tank; 2) metering magnesium silicide, namely giving out an alarm by a high-level sensor L1 of the magnesium silicide metering tank, closing the valve K1 at the moment, and closing the valve K3 and the valve F1 in delay time; and 3), discharging magnesium silicide, namely firstly opening a valve K4, then opening a valve K2 and a valve K5, discharging the magnesium silicide solid into a magnesium silicide buffer tank through the magnesium silicide metering tank, giving out an alarm by a low-level sensor L2 of the magnesium silicide metering tank, closing the valve K2 at the moment, and then closing the valve K4 and the valve K5 in delay time. The quantity of magnesium silicide is metered by virtue of the constant volume of the magnesium silicide metering tank, so that the problem of metering a powdery solid material is effectively solved, the equipment is durable, and abrasion to an air-locking control valve is reduced.
Description
[technical field]
The present invention relates to a kind of metering method, and in particular to a kind of control method of powdery solid material metering, belongs to silicon
Alkane gas production technical field.
[background technology]
Silane gas can be used for producing polysilicon, monocrystal silicon, silicon nitride and other silicides.With magnesium silicide and ammonium chloride it is
Raw material, liquefied ammonia be Media Production silane gas method because reaction yield height, process is simple, equipment investment lack the features such as enjoy pass
Note.And the magnesium silicide as silicon source needs accurately to measure.
Magnesium silicide density 1.943g/cm3, is hard and crisp blue colored crystal, very strong not in contact with activity during air, in atmosphere
Friction may occur from firing, and magnesium silicide has certain hardness, pipe fitting and valve can be caused to wear and tear during conveying.
The metering of general pressed powder uses weighs or volumetric method.Will be on measuring tank with regard to this technique magnesium silicide Weighing
LOAD CELLS is installed, all pipelines being connected with tank body need to be installed and be flexible coupling.Purpose in order to reach accurate metering needs to select
With the LOAD CELLS of high precision, increased equipment cost, and install and be also subject to certain restrictions.
Therefore, for solving above-mentioned technical problem, it is necessory to provide a kind of control of the powdery solid material metering of innovation
Method, to overcome described defect of the prior art.
[content of the invention]
It is an object of the invention to provide a kind of control method of powdery solid material metering, it passes through using measuring tank pair
The change of equipment working forms, reaches the abrasion reducing Solid-state valve, and can achieve simply accurately measuring of powdery solid.
For achieving the above object, the technical scheme that the present invention takes is: a kind of control method of powdery solid material metering,
It adopts a kind of metering system, and this system includes magnesium silicide storage tank, magnesium silicide measuring tank and the magnesium silicide buffering being sequentially connected
Tank；It is provided with valve k1 and valve k3 from top to bottom between described magnesium silicide storage tank and magnesium silicide measuring tank；Described magnesium silicide storage tank
It is additionally provided with an offgas duct and magnesium silicide measuring tank between, offgas duct is provided with valve f1；The top of described magnesium silicide measuring tank sets
There is high charge level sensor l1, bottom is provided with low level sensor l2；Between described magnesium silicide measuring tank and magnesium silicide surge tank certainly
Upper and under be sequentially provided with valve k2 and valve k4；It is additionally provided with a valve between described magnesium silicide surge tank and magnesium silicide measuring tank
k5；
It includes following rate-determining steps:
1), magnesium silicide charging, Open valve k3, are then then turned on valve k1, and control valve f1, to suitable aperture, make
Magnesium silicide solid is by magnesium silicide storage tank blanking to magnesium silicide measuring tank；
2), magnesium silicide metering, magnesium silicide measuring tank high charge level sensor l1 reports to the police, and now closes valve k1, then time delay is closed
Valve closing door k3 and valve f1.
3), magnesium silicide discharging, first turns on valve k4, is then turned on valve k2 and valve k5, magnesium silicide solid is by silication
Magnesium measuring tank blanking is to magnesium silicide surge tank；Magnesium silicide measuring tank low level sensor l2 reports to the police, and now closes valve k2, then
Valve closed with time delay k4 and valve k5.
The control method of the powdery solid material metering of the present invention is further: described high charge level sensor l1 connects and controls
Make described valve k1；Described low level sensor l2 connects and controls described valve valve k2.
The control method of the powdery solid material metering of the present invention is also: described step 2) and 3) delay time be 5s.
Compared with prior art, the invention has the following beneficial effects: the control of the powdery solid material metering of the present invention
Method measures the amount of magnesium silicide by the constant volume of magnesium silicide measuring tank, and the metering efficiently solving powdery solid material is asked
Topic, this equipment durable, decrease the abrasion to lock gas control valve door, extend the normal time producing.
[brief description]
Fig. 1 is the structural representation of the powdery solid material measuring system of the present invention.
[specific embodiment]
Refer to shown in Figure of description 1, the present invention is a kind of control method of powdery solid material metering, using one kind
Metering system, this system includes magnesium silicide storage tank 1, magnesium silicide measuring tank 2 and the magnesium silicide surge tank 3 being sequentially connected.
It is provided with valve k1 and valve k3 from top to bottom, valve k1 uses between described magnesium silicide storage tank 1 and magnesium silicide measuring tank 2
To close solid material, valve k3 is used for locking gas, sends start stop signal by control system.Described magnesium silicide storage tank 1 and magnesium silicide
It is additionally provided with an offgas duct 4, offgas duct 4 is provided with valve f1, valve f1 controls aperture by control system between measuring tank 2, thus
Control capacity
It is sequentially provided with valve k2 and valve k4, valve from top to bottom between described magnesium silicide measuring tank 2 and magnesium silicide surge tank 3
Door k2 is used for closing solid material, and valve k4 is used for locking gas, sends start stop signal by control system.Described magnesium silicide surge tank 3
It is additionally provided with a valve k5 and magnesium silicide measuring tank 2 between, valve k5 is used for two pressure inside the tanks when balancing magnesium silicide discharging, by controlling
System sends start stop signal.
The top of described magnesium silicide measuring tank 2 is provided with high charge level sensor l1, and bottom is provided with low level sensor l2, high material
Level sensor l1 and low level sensor l2 is contacting and separating triggering by material, and signal is fed back to control system.Described height
Level sensor l1 connects and controls described valve k1；Described low level sensor l2 connects and controls described valve valve k2.
The control method of the powdery solid material metering of the present invention comprises the steps:
1), magnesium silicide charging, Open valve k3, are then then turned on valve k1, and control valve f1, to suitable aperture, make
Magnesium silicide solid is by magnesium silicide storage tank 1 blanking to magnesium silicide measuring tank 2；
2), magnesium silicide metering, magnesium silicide measuring tank 2 high charge level sensor l1 reports to the police, and now closes valve k1, then time delay is closed
Valve closing door k3 and valve f1.
3), magnesium silicide discharging, first turns on valve k4, is then turned on valve k2 and valve k5, magnesium silicide solid is by silication
Magnesium measuring tank 2 blanking is to magnesium silicide surge tank 3；The low level sensor l2 of magnesium silicide measuring tank 2 reports to the police, and now closes valve
K2, then valve closed with time delay k4 and valve k5
Due to will first pass through valve k1 and valve k3 when magnesium silicide feeds, in the case of having material, opening/shutting valve can be to close
Front cover causes to damage.First Open valve k3 is then turned on valve k1, prevents from damaging the valve k3 as lock gas effect.And regulating valve
The suitable aperture of door f1, prevents a large amount of dust from discharging.
Magnesium silicide metering when, high charge level sensor l1 report to the police after valve closed with time delay k1 it is ensured that in measuring tank 2 material fill
Accurate measurement, system is thrown and automatically controlled rear delay time is 10s.Valve k1 valve closed with time delay is more first closed when closing valve
K3, delay time is 5s.
During magnesium silicide discharging, Open valve k5 balances the pressure in magnesium silicide measuring tank 2 and surge tank 3, makes blanking smooth.
Low level sensor l2 report to the police after valve closed with time delay k2 it is ensured that material emptying in tank, system is thrown and is automatically controlled rear delay time
For 10s.It is ensured that pipeline material emptying, delay time is 5s to valve closed with time delay k4 again.
Above specific embodiment is only the preferred embodiment of this creation, not in order to limit this creation, all in this wound
Any modification, equivalent substitution and improvement of being done etc. within the spirit made and principle, should be included in this creation protection domain it
Interior.
Claims (3)
1. a kind of control method of powdery solid material metering it is characterised in that: it adopts a kind of metering system, and this system includes
Magnesium silicide storage tank, magnesium silicide measuring tank and the magnesium silicide surge tank being sequentially connected；Described magnesium silicide storage tank and magnesium silicide metering
It is provided with valve k1 and valve k3 from top to bottom between tank；It is additionally provided with a tail gas between described magnesium silicide storage tank and magnesium silicide measuring tank
Pipe, offgas duct is provided with valve f1；The top of described magnesium silicide measuring tank is provided with high charge level sensor l1, and bottom is provided with low material position
Sensor l2；It is sequentially provided with valve k2 and valve k4 from top to bottom between described magnesium silicide measuring tank and magnesium silicide surge tank；Institute
State and between magnesium silicide surge tank and magnesium silicide measuring tank, be additionally provided with a valve k5；
It includes following rate-determining steps:
1), magnesium silicide charging, Open valve k3, are then then turned on valve k1, and control valve f1, to suitable aperture, make silication
Magnesium solid is by magnesium silicide storage tank blanking to magnesium silicide measuring tank；
2), magnesium silicide metering, magnesium silicide measuring tank high charge level sensor l1 reports to the police, and now closes valve k1, then time-delay shutting valve
Door k3 and valve f1；
3), magnesium silicide discharging, first turns on valve k4, is then turned on valve k2 and valve k5, magnesium silicide solid is by magnesium silicide meter
Measuring tank blanking is to magnesium silicide surge tank；Magnesium silicide measuring tank low level sensor l2 reports to the police, and now closes valve k2, then time delay
Close valve k4 and valve k5.
2. powdery solid material metering as claimed in claim 1 control method it is characterised in that: described high charge level sensor
L1 connects and controls described valve k1；Described low level sensor l2 connects and controls described valve valve k2.
3. powdery solid material metering as claimed in claim 1 control method it is characterised in that: described step 2) and 3)
Delay time is 5s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840464.2A CN106338314A (en) | 2016-09-21 | 2016-09-21 | Control method for powdery solid material metering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610840464.2A CN106338314A (en) | 2016-09-21 | 2016-09-21 | Control method for powdery solid material metering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106338314A true CN106338314A (en) | 2017-01-18 |
Family
ID=57838637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610840464.2A Pending CN106338314A (en) | 2016-09-21 | 2016-09-21 | Control method for powdery solid material metering |
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| CN (1) | CN106338314A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883189A (en) * | 2017-11-17 | 2018-04-06 | 金川集团股份有限公司 | A kind of metering method of metering device and carbonyl liquid in carbonylation metallurgical production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065621A (en) * | 1998-08-20 | 2000-03-03 | Nippon Steel Corp | Powder dispensing device |
| CN202562541U (en) * | 2012-04-17 | 2012-11-28 | 浙江万盛新型材料有限公司 | Intelligent display device for material in storage bin |
| CN102815708A (en) * | 2012-08-10 | 2012-12-12 | 中国恩菲工程技术有限公司 | Silicon tetrachloride hydrogenation reaction device and solid raw material continuous feeding device thereof |
| CN203065406U (en) * | 2013-01-12 | 2013-07-17 | 山东寿光鲁清石化有限公司 | Catalyst metering adding device |
| CN204338122U (en) * | 2014-11-12 | 2015-05-20 | 茂名西南石化机械设备有限公司 | A kind of catalyst automatic feeding apparatus |
| CN104650677A (en) * | 2013-11-22 | 2015-05-27 | 广东美涂士建材股份有限公司 | Distributive green environmentally-friendly paint manufacturing system |
-
2016
- 2016-09-21 CN CN201610840464.2A patent/CN106338314A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000065621A (en) * | 1998-08-20 | 2000-03-03 | Nippon Steel Corp | Powder dispensing device |
| CN202562541U (en) * | 2012-04-17 | 2012-11-28 | 浙江万盛新型材料有限公司 | Intelligent display device for material in storage bin |
| CN102815708A (en) * | 2012-08-10 | 2012-12-12 | 中国恩菲工程技术有限公司 | Silicon tetrachloride hydrogenation reaction device and solid raw material continuous feeding device thereof |
| CN203065406U (en) * | 2013-01-12 | 2013-07-17 | 山东寿光鲁清石化有限公司 | Catalyst metering adding device |
| CN104650677A (en) * | 2013-11-22 | 2015-05-27 | 广东美涂士建材股份有限公司 | Distributive green environmentally-friendly paint manufacturing system |
| CN204338122U (en) * | 2014-11-12 | 2015-05-20 | 茂名西南石化机械设备有限公司 | A kind of catalyst automatic feeding apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883189A (en) * | 2017-11-17 | 2018-04-06 | 金川集团股份有限公司 | A kind of metering method of metering device and carbonyl liquid in carbonylation metallurgical production |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170118 |
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| RJ01 | Rejection of invention patent application after publication |