CN102589650B - Integrated measuring apparatus of liquid level and material level - Google Patents

Integrated measuring apparatus of liquid level and material level Download PDF

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Publication number
CN102589650B
CN102589650B CN 201110460721 CN201110460721A CN102589650B CN 102589650 B CN102589650 B CN 102589650B CN 201110460721 CN201110460721 CN 201110460721 CN 201110460721 A CN201110460721 A CN 201110460721A CN 102589650 B CN102589650 B CN 102589650B
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CN
China
Prior art keywords
water level
weight
level
intelligence
measuring
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CN 201110460721
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Chinese (zh)
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CN102589650A (en
Inventor
张建国
王丽娟
侯冠慧
王丽
邓霄
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太原理工大学
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Abstract

The invention discloses an integrated measuring apparatus of a liquid level and a material level, which belongs to the technical field of measurement, wherein the integrated measuring apparatus is characterized in that: the integrated measuring apparatus has dual functions of measuring the liquid level and the material level at the same time. The measuring apparatus comprises a heavy hammer 1, a buoy 2, a steel wire rope 3, a pulley 4, a weighing sensor 5, a motor 6, a speed reducer 7, a wire rope roller 8, an encoding sensor 9, an intelligent weighing meter 10 and an intelligent water level and material level meter 11. The integrated measuring apparatus of the liquid level and the material level has the advantages of long service life, low fault rate and convenience in maintenance. The integrated measuring apparatus of the liquid level and the material level is suitable for use of the industries such as a large sewage treatment plant, a coal cleaning plant, coal mine and the like, used for measuring the liquid levels and the material levels of a settling basin and a water sump, and can replace two suits of traditional measuring instruments of the liquid level and the material level.

Description

A kind of liquid level and material position integrated measurer
Technical field
A kind of liquid level of the present invention and material position integrated measurer, belong to the Automatic Measurement Technique field, it is a kind of automatic measurement mechanism of measuring water level and precipitum material orientations for dual functionality that has simultaneously, be mainly used under sewage treatment plant, coal washery and the coal mine, be used for measuring the material position of pond middle water level and precipitum.
Background technology
The coal washery need be with the clear back recycling of coal washing depositing in water, the sewage of sewage treatment plant needs post precipitation could make subsequent treatment, the post precipitation that the water of coal face must collect through sump under the same coal mine can cool off and the depositing dust water as cutting coal machine, and settling tank is modal deposition facility.The proportion of solids can be deposited in the bottom of settling tank greater than water in settling tank, what of precipitum directly influence settling tank settling volume and effect, the material position of precipitum reach a certain height with regard to desilting in time, so the material position of settling tank middle water level and precipitum is two important technical parameters.
In the prior art, the method of measuring water level is a lot, manual have a water gauge, ball float and artificial detection etc., ultrasound wave is arranged automatically, radar, magnetostriction and radio frequency admittance level gauge meter etc., in water, measure the method for solids material level seldom, the most frequently used method is manually to survey with bamboo pole, that automatically measures has a sonar sensor, sonar sensor swims on the water surface and moves up and down with water level, it can measure the distance between the water surface and the solids material level, sonar sensor generally can only be applied in the overflow settling tank, because the water level of overflow settling tank is fixed, as long as measure the height that distance between the water surface and the solids material level just can be extrapolated the solids material level.Not only cost height but also failure rate are also very high for sonar sensor in addition.
Comprehensively described: as to be separately to measure in existing measurement means middle water level and material position, this just needs to install two cover measurement instruments, make troubles to operation and maintenance, it is not directly perceived that the method for using sonar sensor to measure solids material level in the water belongs to the indirect method of measurement, need to calculate through artificial, causing the reason that can not directly measure is that sonar sensor must transmit and receive sound wave in water, make sonar sensor must swim on the water surface, can not break away from the water surface, otherwise sonar sensor is with cisco unity malfunction.The settling tank of considerable part is not overflow settling tank (as the sump under the coal mine), and its water level is along with the time often changes, and the variation probability of water level is far longer than the variation probability of precipitum material position, causes artificial reckoning work loaded down with trivial details and unreliable.
Summary of the invention
A kind of liquid level of the present invention and material position integrated measurer, its purpose is to solve problems such as ubiquitous cost height, failure rate height and function singleness in the above-mentioned prior art, thereby disclose a kind of new measurement technical scheme of measuring liquid level and material orientations for dual functionality that has simultaneously, this device is applicable to special industries uses such as colliery, sewage treatment plant and coal washery.
A kind of liquid level of the present invention and material position integrated measurer, it is characterized in that package unit is made up of probe, kinematic train (seeing accompanying drawing 1), control system and measuring system (seeing accompanying drawing 2) four parts, wherein pop one's head in and formed by weight 1 and floating drum 2 two parts, described weight 1 is a metal circular cone solid, floating drum 2 is hollow circular cylinders that are welded into metal foil, and its core is made into and weight 1 cone angle and measure-alike cone; Kinematic train is made up of wire rope 3, pulley 4, motor 6, reductor 7 and wire rope drum 8, and its described wire rope 3 connects as one with weight 1, and motor 6 rotatings move up and down through reductor 7, wire rope drum 8 and wire rope 3 traction weights 1; Control system by be used for measuring sonde weight LOAD CELLS 5 and have the intelligent table 10 of weighing of setting probe weight and 6 rotatings of control motor and form, wherein wt displayed value 14 is used for setting and showing the weight of probe, the intelligent table 10 itself of weighing has lower limit relay contact K1 and upper limit relay contact K2 and its lower limit relay contact K1 of manual measurement button ZK (seeing accompanying drawing 2) and upper limit relay contact K2 Chang Kai and normally closed two groups of contacts, and the intelligent table 10 of weighing is selected the common universal intelligence table of weighing that has time control function for use; Measuring system is made up of code sensor 9 and water level material position intelligence table 11, its described code sensor 9 is selected rotary encoder for use, code sensor 9 is installed in the axle head of wire rope drum 8 with wire rope drum 8 rotations, wire rope drum 8 rotates a circle, code sensor 9 also revolves and turns around, send individual even several thousand digit pulses of hundreds of simultaneously, deliver to water level material position intelligence table 11 and carry out computing and demonstration, calculate pulse equivalency according to formula F=H/W, F indicating impulse equivalent in the formula, the distance that H represents to pop one's head in and rises or descend, the number of code sensor 9 pulse that produces when the corresponding probe rising of W or decline certain distance, deposit pulse equivalency F in water level material position intelligence table 11, as the foundation of calculating water level and material position, water level material position intelligence table 11 is selected the intelligence table of two groups of charactrons for use, its middle water level displayed value 12 shows water level, material position displayed value 13 shows the material position, water level material position intelligence table 11 is selected the universal intelligent table that has communication interface for use, conveniently communicates by letter with host computer; Liquid level of the present invention and material position integrated measurer range:>50m; Measuring accuracy: ± 0.02m; Signal and host computer communication distance: 〉=1000m.
Above-mentioned a kind of liquid level and material position integrated measurer is characterized in that: described probe is made up of weight 1 and floating drum 2 two parts, described weight 1 is a metal circular cone solid, floating drum 2 is hollow circular cylinders that are welded into by metal foil, its core is made into and weight 1 cone angle and measure-alike cone, weight 1 and floating drum 2 can organically be combined into a right cylinder, wherein floating drum 2 domestic demand water fillings, what of volume of water input, be to determine according to the situation that floating drum 2 can float on the water surface, require floating drum 2 can fly at the water surface, and its upper surface just surfaces, the water filling purpose is in order to reduce the volume of floating drum 2, to guarantee that simultaneously floating drum 2 is unlikely to submerged, by measuring water to the size of probe buoyancy, judge that water level is in rising or is descending, thereby the control survey device is followed the tracks of.
The advantage of a kind of liquid level of the present invention and material position integrated measurer is:
1, measurement mechanism of the present invention has the liquid level of measurement and precipitum material orientations for dual functionality advantage simultaneously, is mainly used under sewage treatment plant, coal washery and the coal mine, is used for measuring the material position of pond middle water level and precipitum.Long service life, failure rate is low and be convenient to the maintenance.Can be widely used in industries such as large-scale wastewater treatment plant, coal washery and colliery uses.
2, measurement mechanism of the present invention has overcome existing measurement means middle water level and material position and has separately measured, and needs to install two cover measurement instruments, the problem of making troubles to operation and maintenance;
3, measurement mechanism of the present invention has solved the defective that the method for using sonar sensor to measure solids material level in the water belongs to the indirect method of measurement, need to calculate through artificial, causing the reason that can not directly measure is that sonar sensor must transmit and receive sound wave in water, sonar sensor must swim on the water surface, can not break away from the water surface otherwise the problem of sonar sensor cisco unity malfunction, but most settling tank is not the overflow settling tank, its water level is along with the time often changes, and the variation probability of water level is far longer than the variation probability of precipitum material position, causes the loaded down with trivial details and insecure problem of work of artificial reckoning.
Description of drawings
Fig. 1 measurement mechanism structural representation
1. weight 2. floating drums 3. wire rope
4. pulley 5. LOAD CELLS 6. motors
7. reductor 8. wire rope drums 9. code sensors
Fig. 2 measurement mechanism is measured control chart
10. the intelligent table 11. water level thing position intelligence of weighing table 12. water level displayed value 13. material position displayed values
The intelligence table weight displayed value ZK hand push button of intelligent watchband of weighing 14. weigh
The K1 intelligence table lower limit relay contact K2 intelligence table upper limit relay contact of weighing of weighing
Specific embodiments
Embodiment 1:
The application of the present invention on sewage treatment plant's settling tank, after industry and sanitary sewage are delivered to sewage treatment plant, must precipitate through settling tank, remove solids in the sewage, just can enter next process handles, so the bottom at settling tank can deposit a large amount of mud, measuring the water level of settling tank and the height of mud is that technology is desired.
Package unit is made up of probe, kinematic train (seeing accompanying drawing 1), control system and measuring system (seeing accompanying drawing 2) four parts, wherein pop one's head in and formed by weight 1 and floating drum 2 two parts, described weight 1 is a metal circular cone solid, floating drum 2 is hollow circular cylinders that are welded into metal foil, and its core is made into and weight 1 cone angle and measure-alike cone; Kinematic train is made up of wire rope 3, pulley 4, motor 6, reductor 7 and wire rope drum 8, and its described wire rope 3 connects as one with weight 1, and motor 6 rotatings move up and down through reductor 7, wire rope drum 8 and wire rope 3 traction weights 1; Control system by be used for measuring sonde weight LOAD CELLS 5 and have the weight of setting probe and the intelligent table 10 of weighing of control motor 6 rotatings is formed, the intelligent table 10 itself of weighing has upper limit relay contact K1 and lower limit relay contact K2 and manual measurement button ZK (seeing accompanying drawing 2), and the intelligent table 10 of weighing is selected the common universal intelligence table of weighing that has time control function for use; Measuring system is made up of code sensor 9 and water level material position intelligence table 11, its described code sensor 9 is selected rotary encoder for use, code sensor 9 is installed in the axle head of wire rope drum 8 with wire rope drum 8 rotations, wire rope drum 8 rotates a circle, code sensor 9 also revolves and turns around, send individual even several thousand digit pulses of hundreds of simultaneously, deliver to water level material position intelligence table 11 and carry out computing and demonstration, calculate pulse equivalency according to formula F=H/W, F indicating impulse equivalent in the formula, the distance that H represents to pop one's head in and rises or descend, the number of code sensor 9 pulse that produces when the corresponding probe rising of W or decline certain distance, deposit pulse equivalency F in water level material position intelligence table 11, as the foundation of calculating water level and material position, water level material position intelligence table 11 is selected the intelligence table of two groups of charactrons for use, its middle water level displayed value 12 shows water level, material position displayed value 13 shows the material position, water level material position intelligence table 11 is selected the universal intelligent table that has communication interface for use, conveniently communicates by letter with host computer.
Be designed to weight 1 and floating drum 2 two parts in order to realize that integrated function is divided into two described probe, wherein weight 1 is used for surveying the material position specially, probe is made up of weight 1 and floating drum 2 two parts when measuring water level, by measuring water to the size of probe buoyancy, judge that water level is in rising or is descending, thereby the control survey device is followed the tracks of.
1. the installation of measurement mechanism of the present invention
A whole set of measurement mechanism is installed on the pool wall of settling tank (seeing accompanying drawing 1), after the installation, gives water fillings in the floating drum 2, the situation about how much emerging according to floating drum 2 of water filling decides, the overwhelming majority of floating drum 2 height will sink to the underwater, and the upper surface of floating drum 2 surfaces, and the injecting process is finished.
2. the verification of measurement mechanism of the present invention
Getting wire rope drum 8 diameters is 160mm, wire rope drum 8 revolves and takes two turns, probe moves up and down the distance of 1m; a collection of selected materials sign indicating number sensor 9 is the 200 pulse/commentaries on classics of PKT-100 series resolution; calculate pulse equivalency F=H/W=1000mm/400=2.5mm/ pulse; pulse equivalency is deposited in the intelligence table 11 of water level material position, as the foundation of calculating water level and material position.After the installation, press ZK hand push button starter motor 6, motor 6 counter-rotatings, probe drops to the bottom (can not have mud this moment) of settling tank, with water level displayed value 12 and the 13 whole zero clearings of material position displayed value of water level material position intelligence table 11, as the start bit of 0 water level and 0 material position, show that data have error if find the water level of actual water level and water level material position intelligence table 11 in the operational process, remodify pulse equivalency F, repeat said process, till error free.Intelligent table 10 bound of weighing of adjusting, the weight of getting weight 1 is 10kg, the weight that water is added up in floating drum 2 and the floating drum is 20kg, the upper limit setting valve of intelligent table 10 of weighing is=15kg, its lower limit setting valve is=10kg, simultaneously the time interval of the intelligent table 10 designated water level material position of weighing being measured according to the actual conditions needs, can set by fixed point or timing mode, checking procedure finishes.
3, the measuring process of measurement mechanism of the present invention
When the output weight signal of LOAD CELLS 5 within 10kg~15kg, the proof current water level does not change, be failure to actuate in weigh K1 and the K2 contact of intelligent table 10, the intelligent table 10 of weighing does not have signal output, motor 6 does not rotate, probe keeps original position, the water level displayed value 12 of water level material position intelligence table 11 does not change, when the output weight signal of LOAD CELLS 5 equals to weigh the lower limit setting valve 10kg of intelligent table 10, the proof water level is rising, floating drum 2 separates with weight 1 along with water level rises, the weight that LOAD CELLS 5 is measured has only the weight (10kg) of weight 1, reach the lower limit setting valve of the intelligent table 10 of weighing, the weigh K1 normally opened contact closure of intelligent table 10, motor 6 is just changeing, driving wire rope drum 8 and code sensor 9 is just changeing, haulage cable 3 and weight 1 rise, code sensor 9 sends pulse, the water level displayed value 12 of water level material position intelligence table 11 is increasing, pulse of code sensor 9 every increases, the water level displayed value 12 of water level material position intelligence table 11 increases 2.5mm, behind the weight 1 rising certain hour, floating drum 2 is combined as a whole again with weight 1, along with the continuation of weight 1 is risen, floating drum 2 is pulled out the water surface simultaneously with weight 1, the weight that LOAD CELLS 5 is measured is made up of floating drum 2 and weight 1, and reach the upper limit setting valve (15kg) of the intelligent table 10 of weighing, the K2 normally closed contact of intelligent table 10 of weighing is opened, motor 6 stalls, probe stops to rise, water level displayed value 12 no longer increases, and the level measuring process finishes, and what the water level displayed value 12 of current water level material position intelligence table 11 showed is current water level.The probe weight that LOAD CELLS 5 was measured when water level descended reaches the upper limit setting valve (15kg) of the intelligent table 10 of weighing, the K2 normally opened contact closure of the intelligent table 10 of weighing, and motor 6 counter-rotatings, measuring process is opposite with water level rising measuring process.
The setting measurement time arrives, the intelligent table 10 of weighing sends measures material position signal, the bound setting valve of intelligent table 10 of weighing this moment is closed, the weigh K2 normally opened contact closure of intelligent table 10, motor 6 counter-rotatings, driving wire rope drum 8 and code sensor 9 reverses together, wire rope 3 and weight 1 descend under the gravity effect, probe separation becomes two parts, its floating drum 2 floats on the water surface, along with code sensor 9 counter-rotatings, the water level displayed value 12 of water level material position intelligence table 11 is reducing, when weight 1 touches solid material, LOAD CELLS 5 is output as 0, the K1 normally closed contact of intelligent table 10 of weighing is opened, motor 6 stalls, this moment, the water level displayed value 12 of water level material position intelligence table 11 was exactly the material place value, intelligent table 10 signal of weighing, water level material position intelligence table 11 dumps to water level displayed value 12 in the material position displayed value 13, the bound setting valve of intelligent table 10 of weighing is simultaneously reopened, return to the level measuring state, the LOAD CELLS 5 output valves intelligent table 10 lower limit setting valve (10kg) that equals to weigh, the weigh K1 normally opened contact closure of intelligent table 10, motor 6 is just changeing, weight 1 rises, the water level displayed value 12 of water level material position intelligence table 11 is increasing, when weight 1 rises to the water surface, the weight of probe is made up of weight 1 and floating drum 2 two parts, when LOAD CELLS 5 output valves equal to weigh intelligent table 10 upper limit setting valve (15kg), the K2 normally closed contact of intelligent table 10 of weighing is opened, motor 6 stalls, water level displayed value 12 no longer increases, material position measuring process finishes, what the water level displayed value 12 of current water level material position intelligence table 11 showed is water level, what its material position displayed value 13 showed is the material position, and material position displayed value 13 will just upgrade after material position measuring process finishes next time to some extent, press the button ZK when needing manual measurement material position, measuring process is identical.
Embodiment 2:
A kind of liquid level of the present invention and material position integrated measurer are in the application of colliery shaft sump, in the coal mining process, can produce a large amount of coal seam water under the coal mine, this a part of water needs recycling, for coal cutting unit spray dust and hydraulic oil cooling, and being mixed with a large amount of coal dusts, must could use by post precipitation in this a part of water, sump is exactly the special facilities of collecting and precipitate coal seam water, so the bottom at sump can deposit a large amount of coal slimes, the water level of sump and the height of coal slime are two important parameters, remind operating personnel's desilting in time when coal slime reach a certain height.A whole set of measurement mechanism is installed on the bulkhead of sump (seeing accompanying drawing 1), and with LOAD CELLS 5, code sensor 9, motor 6, weigh intelligent table 10 and the water level material position intelligence table 11 type selecting explosion-proof type of hanking, other is with embodiment 1.

Claims (2)

1. a liquid level and material position integrated measurer, it is characterized in that package unit is made up of probe, kinematic train, control system and measuring system four parts, wherein pop one's head in and formed by weight (1) and floating drum (2) two parts, described weight (1) is a metal circular cone solid, floating drum (2) is a hollow circular cylinder that is welded into metal foil, and its core is made into and weight (1) cone angle and measure-alike cone; Kinematic train is made up of wire rope (3), pulley (4), motor (6), reductor (7) and wire rope drum (8), its described wire rope (3) connects as one with weight (1), and motor (6) rotating moves up and down through reductor (7), wire rope drum (8) and wire rope (3) traction weight (1); Control system by be used for measuring sonde weight LOAD CELLS (5) and set probe weight and the intelligence table (10) of weighing of control motor (6) rotating is formed, the intelligence table (10) of weighing itself has upper limit relay contact K2 and lower limit relay contact K1 and measures button ZK, and the intelligence table (10) of weighing is selected the common universal intelligence table of weighing that has time control function for use; Measuring system is made up of code sensor (9) and water level material position intelligence table (11), its described code sensor (9) is selected rotary encoder for use, the axle head that code sensor (9) is installed in wire rope drum (8) rotates with wire rope drum (8), wire rope drum (8) rotates a circle, code sensor (9) also revolves and turns around, send individual even several thousand digit pulses of hundreds of simultaneously, deliver to water level material position intelligence table (11) and carry out computing and demonstration, calculate pulse equivalency according to formula F=H/W, F indicating impulse equivalent in the formula, the distance that H represents to pop one's head in and rises or descend, the number of code sensor (9) pulse that produces when the corresponding probe rising of W or decline certain distance, pulse equivalency F is deposited in the water level material position intelligence table (11), as the foundation of calculating water level and material position, water level material position intelligence table (11) is selected the intelligence table of two groups of charactrons for use, its middle water level displayed value (12) shows water level, material position displayed value (13) shows the material position, and water level material position intelligence table (11) selects for use the universal intelligent table that has communication interface to communicate by letter with host computer; Liquid level of the present invention and material position integrated measurer measuring accuracy: ± 0.02m; Signal and host computer communication distance: 〉=1000m.
2. it is characterized in that according to the described a kind of liquid level of claim 1 and material position integrated measurer: described probe is made up of weight (1) and floating drum (2) two parts, described weight (1) is a metal circular cone solid, floating drum (2) is a hollow circular cylinder that is welded into by metal foil, its core is made into and weight (1) cone angle and measure-alike cone, weight (1) and floating drum (2) organically are combined into a right cylinder, wherein floating drum (2) domestic demand water filling, what of volume of water input, be to determine according to the situation that floating drum (2) can float on the water surface, require floating drum (2) can fly at the water surface, and its upper surface just surfaces, the water filling purpose is in order to reduce the volume of floating drum (2), guarantee that simultaneously floating drum (2) is unlikely to submerged, by measuring water to the size of probe buoyancy, judge that water level is in rising or is descending, thereby the control survey device is followed the tracks of.
CN 201110460721 2011-12-23 2011-12-23 Integrated measuring apparatus of liquid level and material level CN102589650B (en)

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CN102749123B (en) * 2012-07-25 2014-03-05 成都中核鑫星应用技术研究所 Radioactive waste resin interface measuring device based on lifting device and application method thereof
CN103697964A (en) * 2013-12-16 2014-04-02 太原理工大学 Tracking type oil-water interface measuring device
CN103791983B (en) * 2014-01-29 2017-02-08 青岛澳邦量器有限责任公司 Liquid storage tank liquid level meter
CN103983326A (en) * 2014-04-08 2014-08-13 南京全水信息科技有限公司 Floater water level gauge
CN104198011A (en) * 2014-09-19 2014-12-10 锡矿山闪星锑业有限责任公司 Device and method for measuring liquid level of high-temperature melt in metallurgical furnace
CN105318853A (en) * 2015-12-09 2016-02-10 天津博远达科技有限公司 Crystal pool salt layer thickness and brine depth measurement device
CN109827631B (en) * 2019-04-03 2021-01-08 西安艾贝尔科技发展有限公司 Weight type intelligent material level measuring method and system

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