CN108458769A - Stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system - Google Patents
Stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system Download PDFInfo
- Publication number
- CN108458769A CN108458769A CN201711497526.5A CN201711497526A CN108458769A CN 108458769 A CN108458769 A CN 108458769A CN 201711497526 A CN201711497526 A CN 201711497526A CN 108458769 A CN108458769 A CN 108458769A
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- liquid level
- stirred tank
- densitometer
- pneumatic tubing
- level gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The present invention relates to a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system, the stirred tank top center position is equipped with stirring motor and is connect with stirring motor and stretch to the agitating paddle inside stirred tank;Waste solution channel and cement feed auger are also connected at the top of the stirred tank respectively;The stirred tank is internally provided with liquid level gauge and densitometer, and pneumatic tubing clip valve is equipped in the feed opening pipeline of stirring trench bottom;The automatic interlock control system includes the valve positioner on distributor, multiplier-divider, digital display instrument, manual operator and pneumatic tubing clip valve.The present invention send level monitoring signal to control room, controls indoor liquid level signal with pneumatic tubing clip valve Open valve linkage mode design process flow, it can be achieved that Liquid level in stirred tank, has the characteristics that flow is simple, at low cost, efficient.
Description
Technical field
The invention belongs to intermediate level liquid waste Cemetation process fields, and in particular to a kind of stirred tank liquid level
Meter, densitometer and pneumatic tubing clip valve automatic interlock control system.
Background technology
In intermediate level liquid waste Cemetation casting process, host material is with intermediate level liquid waste in the stirring of 508V slots
When stirring, respective feeding manner is continuous feed, how to control stirred tank liquid level, ensures that host material is stirred with intermediate level liquid waste
Uniformly, ensure that input and output material balance and the ratio of mud meet regulation etc..γ level monitorings before can only monitor liquid level, and 508V is stirred
Trench bottom feed opening valve can only lean on artificial control, cumbersome.Therefore technological process is simple in urgently exploring one, application cost
Low, the low treatment process of failure rate is to realize to level monitoring and ensure the processing of input and output material balance.
Invention content
It is an object of the invention to:A kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock is provided to control
System solves the automatic interlock of cement solidification stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve.
Technical scheme is as follows:A kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control
System, the stirred tank top center position are equipped with stirring motor and connect and stretched to inside stirred tank with stirring motor
Agitating paddle;Waste solution channel and cement feed auger are also connected at the top of the stirred tank respectively;The stirred tank is internally provided with
Liquid level gauge and densitometer are equipped with pneumatic tubing clip valve in the feed opening pipeline of stirring trench bottom;
The automatic interlock control system includes on distributor, multiplier-divider, digital display instrument, manual operator and pneumatic tubing clip valve
Valve positioner;It is transferred on digital display instrument after distributor, multiplier-divider processing by the signal of liquid level gauge, each measurement of densitometer
With the liquid level and density of display stirring mortar;Liquid level height value L4 is set on digital display instrument, digital display instrument transmits a signal to
Manual operator is transferred on valve positioner again after signal processing;When liquid level is more than L4, pneumatic tubing clip valve is opened,
The mortar being stirred automatically flows into casting pool;When liquid level is less than L4, pneumatic tubing clip valve is closed, intermediate level liquid waste and matrix
Material stirs in stirred tank.
The stirred tank is hollow cylinder.
The liquid level gauge upper end is at the top of stirred tank, and lower end is far from bottom 450mm.
The densitometer upper end is far from bottom 850mm, and lower end is far from bottom 450mm.
The waste solution channel is for intermediate level liquid waste to be added into stirred tank.
The cement feed auger is for host material to be added into stirred tank.
The current signal of liquid level gauge and densitometer is converted to voltage signal by the distributor;The multiplier-divider will match
The voltage signal that electric appliance transmits is converted to the signal that can be directly displayed on digital display instrument.
The digital display instrument is used to show the fluctuation of liquid level, and setting liquid level height value L4.
The manual operator is used to convert digital display instrument output signal to current signal, is transferred to valve positioner.
The size of the size control bleed pressure for the current signal that the valve positioner is transmitted according to manual operator, in turn
Control the opening and closing of pneumatic tubing clip valve.
The remarkable result of the present invention is:The present invention send level monitoring signal to control room, controls indoor liquid level letter
Number with pneumatic tubing clip valve Open valve linkage mode design process flow, it can be achieved that Liquid level in stirred tank, there is flow
Simply, the features such as at low cost, efficient.
Description of the drawings
Fig. 1 is Cemetation stirred tank system schematic;
Fig. 2 is a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system of the present invention
Schematic diagram;
In figure:1 liquid level gauge;2 densitometers;3 pneumatic tubing clip valves;4 stirred tanks;5 agitating paddles;6 cement are fed auger;7 stirrings
Motor;8 waste solution channels;9 distributors;10 multiplier-dividers;11 digital display instruments;12 manual operators;13 valve positioners.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is to a kind of stirred tank liquid level gauge of the present invention, densitometer and pneumatic tube
Folder valve automatic interlock control system is described in further detail.
As illustrated in fig. 1 and 2, a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system, it is described
4 top center position of stirred tank be equipped with and stirring motor 7 and connect with stirring motor and stretch to the agitating paddle inside stirred tank 4
5;4 top of stirred tank is also connected with waste solution channel 8 and cement feed auger 6 respectively;The stirred tank 4 is internally provided with liquid
Position meter 1 and densitometer 2, the feed opening pipeline in 4 bottom of stirred tank are equipped with pneumatic tubing clip valve 3;
The automatic interlock control system includes distributor 9, multiplier-divider 10, digital display instrument 11, manual operator 12 and pneumatic tube
Press from both sides the valve positioner 13 on valve 3;By liquid level gauge, each measurement of densitometer signal through distributor 9, multiplier-divider 10 processing after
It is transferred on digital display instrument 11 with the liquid level and density of display stirring mortar;Liquid level height value L4 is set on digital display instrument 11,
Digital display instrument 11 transmits a signal to manual operator 12, is transferred to again on valve positioner 13 after signal processing;Work as liquid level
When more than L4, pneumatic tubing clip valve 3 is opened, and the mortar being stirred automatically flows into casting pool;When liquid level is less than L4, pneumatically
Pipe clip valve 3 is closed, and intermediate level liquid waste is stirred with host material in stirred tank.
The stirred tank 4 is hollow cylinder.
1 upper end of liquid level gauge is at 4 top of stirred tank, and lower end is far from bottom 450mm.
2 upper end of densitometer is far from bottom 850mm, and lower end is far from bottom 450mm.
The waste solution channel 8 into stirred tank 4 for being added intermediate level liquid waste.
The cement feed auger 6 into stirred tank 4 for being added host material.
The current signal of liquid level gauge 1 and densitometer 2 is converted to voltage signal by the distributor 9;The multiplier-divider
The voltage signal that distributor 9 transmits is converted to the signal that can be directly displayed on digital display instrument 11 by 10.
The digital display instrument 11 is used to show the fluctuation of liquid level, and setting liquid level height value L4.
The manual operator 12 is used to convert 11 output signal of digital display instrument to current signal, is transferred to valve positioner
13。
The size of the size control bleed pressure for the current signal that the valve positioner 13 is transmitted according to manual operator 12,
And then control the opening and closing of pneumatic tubing clip valve 3.
Claims (10)
1. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system, it is characterised in that:Described stirs
Slot (4) top center position is mixed equipped with stirring motor (7) and is connect with stirring motor and stretches to the internal stirring of stirred tank (4)
Paddle (5);Waste solution channel (8) and cement feed auger (6) are also connected at the top of the stirred tank (4) respectively;The stirred tank
(4) it is internally provided with liquid level gauge (1) and densitometer (2), the feed opening pipeline in stirred tank (4) bottom is equipped with pneumatic tubing clip valve (3);
The automatic interlock control system includes that distributor (9), multiplier-divider (10), digital display instrument (11), manual operator (12) are gentle
Valve positioner (13) on dynamic pipe clip valve (3);By liquid level gauge, each measurement of densitometer signal through distributor (9), multiplication and division
It is transferred to after device (10) processing on digital display instrument (11) with the liquid level and density of display stirring mortar;It is set on digital display instrument (11)
Determine liquid level height value L4, digital display instrument (11) transmits a signal to manual operator (12), and it is fixed to be transferred to valve again after signal processing
On position device (13);When liquid level is more than L4, pneumatic tubing clip valve (3) is opened, and the mortar being stirred automatically flows into casting pool;
When liquid level is less than L4, pneumatic tubing clip valve (3) is closed, and intermediate level liquid waste is stirred with host material in stirred tank.
2. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The stirred tank (4) is hollow cylinder.
3. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:Liquid level gauge (1) upper end is at the top of stirred tank (4), and lower end is far from bottom 450mm.
4. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:Densitometer (2) upper end is far from bottom 850mm, and lower end is far from bottom 450mm.
5. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The waste solution channel (8) is used to that intermediate level liquid waste to be added into stirred tank (4).
6. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The cement feed auger (6) is used to that host material to be added into stirred tank (4).
7. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The current signal of liquid level gauge (1) and densitometer (2) is converted to voltage signal by the distributor (9);Described
The voltage signal that distributor (9) transmits is converted to the signal that can be directly displayed on digital display instrument (11) by multiplier-divider (10).
8. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The digital display instrument (11) is used to show the fluctuation of liquid level, and setting liquid level height value L4.
9. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The manual operator (12) is used to convert digital display instrument (11) output signal to current signal, and it is fixed to be transferred to valve
Position device (13).
10. a kind of stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system as described in claim 1,
It is characterized in that:The size for the current signal that the valve positioner (13) is transmitted according to manual operator (12) controls bleed pressure
Size, and then control pneumatic tubing clip valve (3) opening and closing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711497526.5A CN108458769A (en) | 2017-12-27 | 2017-12-27 | Stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system |
Applications Claiming Priority (1)
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CN201711497526.5A CN108458769A (en) | 2017-12-27 | 2017-12-27 | Stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system |
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CN108458769A true CN108458769A (en) | 2018-08-28 |
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CN201711497526.5A Pending CN108458769A (en) | 2017-12-27 | 2017-12-27 | Stirred tank liquid level gauge, densitometer and pneumatic tubing clip valve automatic interlock control system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109491318A (en) * | 2019-01-04 | 2019-03-19 | 烟台杰瑞石油装备技术有限公司 | A kind of long-range extremely-low density automatic control system |
Citations (5)
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CN1313536A (en) * | 2000-09-01 | 2001-09-19 | 中国石油天然气股份有限公司乌鲁木齐石化分公司 | Slurry density control system |
JP2006258719A (en) * | 2005-03-18 | 2006-09-28 | Hitachi Ltd | Solidification treatment method of radioactive effluent |
CN103219059A (en) * | 2013-04-10 | 2013-07-24 | 中广核工程有限公司 | Radioactive waste resin metering system |
CN104002383A (en) * | 2014-06-04 | 2014-08-27 | 中广核工程有限公司 | Cement stirring device for radioactive waste grouting fixation |
JP2014190865A (en) * | 2013-03-27 | 2014-10-06 | Toshiba Corp | Boric acid waste solution processor and processing method thereof |
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2017
- 2017-12-27 CN CN201711497526.5A patent/CN108458769A/en active Pending
Patent Citations (5)
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CN1313536A (en) * | 2000-09-01 | 2001-09-19 | 中国石油天然气股份有限公司乌鲁木齐石化分公司 | Slurry density control system |
JP2006258719A (en) * | 2005-03-18 | 2006-09-28 | Hitachi Ltd | Solidification treatment method of radioactive effluent |
JP2014190865A (en) * | 2013-03-27 | 2014-10-06 | Toshiba Corp | Boric acid waste solution processor and processing method thereof |
CN103219059A (en) * | 2013-04-10 | 2013-07-24 | 中广核工程有限公司 | Radioactive waste resin metering system |
CN104002383A (en) * | 2014-06-04 | 2014-08-27 | 中广核工程有限公司 | Cement stirring device for radioactive waste grouting fixation |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109491318A (en) * | 2019-01-04 | 2019-03-19 | 烟台杰瑞石油装备技术有限公司 | A kind of long-range extremely-low density automatic control system |
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Application publication date: 20180828 |