CN108333078A - Fully-automatic on-line sampling formula slurry density measurement device - Google Patents
Fully-automatic on-line sampling formula slurry density measurement device Download PDFInfo
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- CN108333078A CN108333078A CN201810179323.XA CN201810179323A CN108333078A CN 108333078 A CN108333078 A CN 108333078A CN 201810179323 A CN201810179323 A CN 201810179323A CN 108333078 A CN108333078 A CN 108333078A
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- measuring tank
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- penetron
- liquid
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- 239000002002 slurry Substances 0.000 title claims abstract description 42
- 238000001739 density measurement Methods 0.000 title claims abstract description 15
- 238000005070 sampling Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000005303 weighing Methods 0.000 claims abstract description 22
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000006477 desulfuration reaction Methods 0.000 description 7
- 230000023556 desulfurization Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 210000002966 serum Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010079 rubber tapping Methods 0.000 description 3
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
- G01N9/02—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume
- G01N9/04—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity by measuring weight of a known volume of fluids
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- Physics & Mathematics (AREA)
- 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)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of fully-automatic on-line sampling formula slurry density measurement device of the present invention, including respectively independently installed measuring tank and intelligent penetron, measuring tank bottom part down is provided with weighing sensor, it is provided with inlet at the top of measuring tank, it is provided with overflow port in measuring tank upper portion side wall, overflow port is connected with the overflow pipe extended straight down, metering pot bottom is provided with leakage fluid dram, leakage fluid dram is connected with drain pipe, drain pipe is connected with overflow pipe, it is respectively arranged with liquid inlet electromagnetic valve and draining solenoid valve on inlet tube and drain pipe, liquid inlet electromagnetic valve, draining solenoid valve and weighing sensor have electric signal to connect with intelligent penetron.The beneficial effects of the invention are as follows：Package unit is simple in structure, high degree of automation, high certainty of measurement, is suitable for online accurate measurement and monitoring in industry spot to slurries class I liquid I density and applies.
Description
Technical field
The present invention relates to a kind of fully-automatic on-line sampling formula slurry density measurement devices.
Background technology
Currently, as China provides the energy-saving and environment-friendly mandatory rules of law, it is desirable that all coal-burning boilers are required to row
The flue gas put carries out desulfurization and dedusting environment protection treating, most of using alkaline slurry and cigarette in conventional flue gas desulfurization technique
SO2 gases in gas carry out haptoreaction, to reduce the SO2 and flue dust in flue gas.In flue gas desulfurization technique operation, desulfurization is anti-
It is a key parameter in entire sulfur removal technology to answer the serum density in tower, when the serum density in desulfurizing tower is more than limit value
When, it should grout replacement measure in tower, exclusive segment high density slurries, the fresh desulfurization virgin pulp liquid in supplement part are taken immediately.
Currently, having two kinds using more online serosity density measurement method in coal burning flue gas desulfurization technique.
A kind of method is：Double difference hydraulic fluid position measurement method installs two double flanges differential pressure transmitters, upper end that is, on desulfurizing tower body sidewall
Pressure tappings are on an absolute altitude；Lower end pressure tappings are in slurries normal level hereinafter, between the lower pressure tappings of two differential pressure transmitters
A normal pitch is differed, the differential pressure value that the differential pressure value that slurries between the normal pitch are formed is formed with standard water is compared
Compared with thus calculating the density value of slurries in tower.But this method Shortcomings in the application, wave of the liquid level by cigarette pressure in tower
It moves variation and changes, influence the accurate measurement of liquid level, be also just difficult to ensure the calculated value of serum density.Still an alternative is that：
One online penetron is set on the slurry circulating pump outlet conduit outside tower.Since online densimeter is to the stream of slurries
Speed has stringent restriction, and flow velocity is high, influences measurement accuracy, flow velocity is low, and the grit of larger particles then cannot be smooth in slurries
Flow through online densimeter, it is easy to cause the blocking to online densimeter.
For this present situation, it is badly in need of a kind of easy to operate, accurate measurement, can be adapted with boiler flue gas desulfurization process scene
Fully-automatic on-line sampling formula slurry density measurement device.
Invention content
To solve the above technical deficiency, the present invention provides a kind of high degree of automation, high certainty of measurement it is complete from
Dynamic on-line period formula slurry density measurement device.
The present invention is achieved by the following measures：
A kind of fully-automatic on-line sampling formula slurry density measurement device of the present invention, including respectively independently installed measuring tank and intelligence
Energy penetron, the measuring tank bottom part down are provided with the weighing sensor for weighing measuring tank, are opened at the top of measuring tank
There is an inlet, be provided with inlet tube above measuring tank, the nozzle of the inlet tube is vacantly on the surface of inlet, measuring tank
Overflow port is provided on portion's side wall, the overflow port is connected with the overflow pipe extended straight down, is provided with below measuring tank
The slurries bunker for collecting of opening upwards, overflow pipe lower end nozzle vacantly right over slurries bunker for collecting, measure pot bottom
It is provided with leakage fluid dram, the leakage fluid dram is connected with drain pipe, and the drain pipe is connected with overflow pipe, the inlet tube and row
Liquid inlet electromagnetic valve and draining solenoid valve, the liquid inlet electromagnetic valve, draining solenoid valve and weighing sensor are respectively arranged in liquid pipe
It is connect with intelligent penetron signal, the weighing sensor is used to weigh measuring tank slack tank state and measuring tank fills it up with liquid
Weight parameter when state, and weight parameter is sent to intelligent penetron；The intelligence penetron is used for basis
Weight parameter calculates the weight of metering pot liquid, then calculates liquid in measuring tank according to known measuring tank volume
Density parameter, and send out to liquid inlet electromagnetic valve, draining solenoid valve the control signal of opening and closing.
Support baseboard is provided with below above-mentioned measuring tank, both sides are provided with device fulcrum below the support baseboard, described
Weighing sensor setting is between support baseboard and metering pot bottom.
Pass through helical spring between above-mentioned liquid inlet electromagnetic valve, draining solenoid valve and weighing sensor and intelligent penetron
Signal on electrical wire connects.
Above-mentioned intelligence penetron externally has signal transmitting output function.
The beneficial effects of the invention are as follows：The present invention can realize the fully-automatic on-line sampling process control to slurries class I liquid I,
The measurement and calculating to serum density can be automatically performed.Package unit is simple in structure, high degree of automation, high certainty of measurement, fits
The online accurate measurement and monitoring of slurries class I liquid I density are applied together in industry spot.
Description of the drawings
Structural schematic diagram when Fig. 1 is slack tank state of the present invention.
Structural schematic diagram when Fig. 2 is liquid feeding state of the present invention.
Structural schematic diagram when Fig. 3 is overflowing liquid state of the present invention.
Structural schematic diagram when Fig. 4 is drain state of the present invention.
In figure：1 measuring tank, 2 weighing sensors, 3 liquid inlet electromagnetic valves, 4 overflow pipes, 5 draining solenoid valves, 6 device fulcrums, 7
Intelligent penetron, 8 support baseboards, 9 slurries bunker for collecting.
Specific implementation mode
Further detailed description is done to the present invention below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of fully-automatic on-line sampling formula slurry density measurement device of the present invention, including it is respectively independently installed
Measuring tank 1 and intelligent penetron 7,1 bottom part down of measuring tank are provided with the weighing sensor 2 for weighing measuring tank, count
The top of measuring tank 1 is provided with inlet, and 1 top of measuring tank is provided with inlet tube, the nozzle of inlet tube vacantly in the surface of inlet,
Overflow port is provided in 1 upper portion side wall of measuring tank, overflow port is connected with the overflow pipe 4 extended straight down, 1 lower section of measuring tank
It is provided with the slurries bunker for collecting 9 of opening upwards, 4 lower end nozzle of overflow pipe is vacantly in 9 surface of slurries bunker for collecting, measuring tank
1 bottom is provided with leakage fluid dram, and leakage fluid dram is connected with drain pipe, and drain pipe is connected with overflow pipe 4, on inlet tube and drain pipe
It is respectively arranged with liquid inlet electromagnetic valve 3 and draining solenoid valve 5, liquid inlet electromagnetic valve 3, draining solenoid valve 5 and weighing sensor 2 and intelligence
7 electric signal of penetron connects, and weighing sensor 2 is used to weigh 1 slack tank state of measuring tank and measuring tank 1 fills it up with liquid condition
When weight parameter, and weight parameter is sent to intelligent penetron 7；Intelligent penetron 7 according to weight for joining
Number calculates the weight of liquid in measuring tank 1, then calculates the close of liquid in measuring tank 1 according to 1 volume of known measuring tank
Parameter is spent, and sends out the control signal of opening and closing to liquid inlet electromagnetic valve 3, draining solenoid valve 5.1 lower section of measuring tank is provided with support bottom
Plate 8,8 lower section both sides of support baseboard are provided with device fulcrum 6, and weighing sensor 2 is arranged in support baseboard 8 and 1 bottom of measuring tank
Between.Intelligent penetron 7 carries signal transmitting output function.
Wherein the liquid outlet of inlet tube is vertically aligned with the upper opening of measuring tank 1, but is not contacted between each other.It is counting
There are one overflow pipes 4 in the upper portion side wall of measuring tank 1, and when the slurries in measuring tank 1 are higher than the overflow pipe 4, slurries can overflow automatically
Go out, ensure every time to 1 feed liquor of measuring tank at the end of, the slurries volume in measuring tank 1 is all a definite value.At the bottom of measuring tank 1
Portion is there are one leakage fluid dram, and dress is there are one draining solenoid valve 5 on Drainage pipe connected to it, and 5 outlet of draining solenoid valve is again with 4
Overflow pipe is connected, and the drain pipe after merging vertically downward, is vacantly aligned with slurries bunker for collecting, does not contact between each other.By
This, measuring tank 1, overflow pipe 4, draining solenoid valve 5 and connecting tube form an overall structure, 2 obtained pressure of weighing sensor
Loading when tare weight and measuring tank when be measuring tank being by force slack tank are slurries canful.
Intelligent penetron 7 is arranged separately on the holder except measuring tank 1, wherein liquid inlet electromagnetic valve 3, drain electricity
Magnet valve 5, weighing sensor 2 are connect with 7 electric signal of intelligent penetron, and mutual connecting cable uses helical spring
The weight of electric wire, the sagging generation of electric wire is a definite value, is included in the tare weight of entire density measuring equipment.
Serum density tests on-line measurement, and steps are as follows：As shown in Figure 1, intelligent density tester 7 is connected to outside, " measurement is opened
Begin " it instructs, intelligent density tester 7 first records the equal slack tank tare weight at this time of measuring tank 1.As shown in Fig. 2, intelligent density measurement
Instrument 7 then close by instruction draining solenoid valve 5, and instruction liquid inlet electromagnetic valve 3 is opened, and slurries begin to flow into measuring tank 1, and intelligent density is surveyed
It tries instrument 7 and starts timing.As shown in figure 3, when slurries fill measuring tank 1, and overflowed since overflow pipe 4, this is also intelligent density
When 7 timing of tester reaches（Time can be arranged）, intelligent density tester 7 instruct liquid inlet electromagnetic valve 3 close, stop slurries into
Enter measuring tank 1.Intelligent density tester 7 records the canful loading at this time such as measuring tank, and skin when subtracting the slack tanks such as measuring tank
Weight, obtains the nt wt net weight of slurries in measuring tank 1, then will be compared with nt wt net weight of the nt wt net weight when 1 full water of measuring tank under the conditions of
Compared with calculating the density of 1 slurries of measuring tank at this time automatically.It measures and counts as shown in figure 4, intelligent density tester 7 completes this
After calculation, intelligent density tester 7 instructs draining solenoid valve 5 to open, in measuring tank 1 slurries by draining solenoid valve 5 from drain
Pipe flows out, until slurries in measuring tank 1 are all emptied.At this moment intelligent density tester 7 sends out " measurement terminates " instruction, intelligence
Density tester 7 in addition to this function displays and saves every sub-sampling serosity density measurement as a result, can also be by the measurement result pair
Outer pick-up output.
The above is only the preferred embodiment of this patent, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the art of this patent principle, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as the protection domain of this patent.
Claims (4)
1. a kind of fully-automatic on-line sampling formula slurry density measurement device, it is characterised in that：Including respectively independently installed metering
Tank and intelligent penetron, the measuring tank bottom part down are provided with the weighing sensor for weighing measuring tank, measuring tank
Top is provided with inlet, inlet tube is provided with above measuring tank, the nozzle of the inlet tube is vacantly in the surface of inlet, meter
Overflow port is provided in measuring tank upper portion side wall, the overflow port is connected with the overflow pipe extended straight down, measuring tank lower section
It is provided with the slurries bunker for collecting of opening upwards, overflow pipe lower end nozzle vacantly right over slurries bunker for collecting, measures
Pot bottom is provided with leakage fluid dram, and the leakage fluid dram is connected with drain pipe, and the drain pipe is connected with overflow pipe, the feed liquor
It is respectively arranged with liquid inlet electromagnetic valve and draining solenoid valve on pipe and drain pipe, the liquid inlet electromagnetic valve, draining solenoid valve and weighs
Sensor has electric signal to connect with intelligent penetron, and the weighing sensor is for weighing measuring tank slack tank state and metering
Tank fills it up with weight parameter when liquid condition, and weight parameter is sent to intelligent penetron；The intelligence density measure
Instrument is used to, according to liquid weight in measured measuring tank, then calculate liquid in measuring tank according to known measuring tank volume
Density parameter, and send out to liquid inlet electromagnetic valve, draining solenoid valve the control signal of opening and closing.
2. fully-automatic on-line sampling formula slurry density measurement device according to claim 1, it is characterised in that：The measuring tank
Lower section is provided with support baseboard, and both sides are provided with device fulcrum below the support baseboard, and the weighing sensor setting is being propped up
It supports between bottom plate and metering pot bottom.
3. fully-automatic on-line sampling formula slurry density measurement device according to claim 1, it is characterised in that：The feed liquor electricity
It is connected by helical spring signal on electrical wire between magnet valve, draining solenoid valve and weighing sensor and intelligent penetron.
4. fully-automatic on-line sampling formula slurry density measurement device according to claim 1, it is characterised in that：
Intelligent penetron carries external signal transmitting output function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179323.XA CN108333078A (en) | 2018-03-05 | 2018-03-05 | Fully-automatic on-line sampling formula slurry density measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810179323.XA CN108333078A (en) | 2018-03-05 | 2018-03-05 | Fully-automatic on-line sampling formula slurry density measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108333078A true CN108333078A (en) | 2018-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810179323.XA Pending CN108333078A (en) | 2018-03-05 | 2018-03-05 | Fully-automatic on-line sampling formula slurry density measurement device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030739A (en) * | 2018-07-31 | 2018-12-18 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of pH value of slurry of desulfuration absorption tower and density online testing device and method |
| CN110220814A (en) * | 2019-07-01 | 2019-09-10 | 长沙矿冶研究院有限责任公司 | A kind of parametric measurement device and method of polymetallic nodules |
| CN110823759A (en) * | 2019-11-25 | 2020-02-21 | 武汉龙净环保工程有限公司 | Slurry density continuous automatic measuring device and using method thereof |
| CN111929198A (en) * | 2020-09-17 | 2020-11-13 | 南京宏佳金属制品有限公司 | Detection device for detecting petroleum density |
| CN112113882A (en) * | 2020-09-11 | 2020-12-22 | 中国水利水电第七工程局成都水电建设工程有限公司 | Automatic monitor for flushing state of drill hole |
| CN113125204A (en) * | 2021-04-08 | 2021-07-16 | 广东韶钢松山股份有限公司 | Liquid sampling device and density measuring method |
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| EP0967474A1 (en) * | 1998-06-26 | 1999-12-29 | Bilfinger + Berger Bauaktiengesellschaft | Method and device for determinating the density of suspensions |
| CN102207440A (en) * | 2010-03-31 | 2011-10-05 | 北京西山新干线环保设备有限公司 | Apparatus and method for measuring density of solid-containing liquid |
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| CN208109629U (en) * | 2018-03-05 | 2018-11-16 | 济南鲁纺仪佳自控技术有限公司 | Fully-automatic on-line sampling formula slurry density measurement device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CA1292886C (en) * | 1987-06-08 | 1991-12-10 | James A. Mcauley | Method and apparatus for monitoring the density of a liquid |
| JPH0741450U (en) * | 1993-12-24 | 1995-07-21 | 財団法人工業技術研究院 | Semi-continuous liquid specific gravity measuring instrument |
| EP0967474A1 (en) * | 1998-06-26 | 1999-12-29 | Bilfinger + Berger Bauaktiengesellschaft | Method and device for determinating the density of suspensions |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030739A (en) * | 2018-07-31 | 2018-12-18 | 中国大唐集团科学技术研究院有限公司西北分公司 | A kind of pH value of slurry of desulfuration absorption tower and density online testing device and method |
| CN109030739B (en) * | 2018-07-31 | 2024-06-18 | 中国大唐集团科学技术研究院有限公司西北分公司 | Online testing device and method for pH value and density of slurry of desulfurization absorption tower |
| CN110220814A (en) * | 2019-07-01 | 2019-09-10 | 长沙矿冶研究院有限责任公司 | A kind of parametric measurement device and method of polymetallic nodules |
| CN110220814B (en) * | 2019-07-01 | 2024-03-29 | 长沙矿冶研究院有限责任公司 | Parameter determination device and method for multi-metal nodule |
| CN110823759A (en) * | 2019-11-25 | 2020-02-21 | 武汉龙净环保工程有限公司 | Slurry density continuous automatic measuring device and using method thereof |
| CN112113882A (en) * | 2020-09-11 | 2020-12-22 | 中国水利水电第七工程局成都水电建设工程有限公司 | Automatic monitor for flushing state of drill hole |
| CN111929198A (en) * | 2020-09-17 | 2020-11-13 | 南京宏佳金属制品有限公司 | Detection device for detecting petroleum density |
| CN113125204A (en) * | 2021-04-08 | 2021-07-16 | 广东韶钢松山股份有限公司 | Liquid sampling device and density measuring method |
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