CN107064227A - A kind of device and method for monitoring paste filling pipe - Google Patents
A kind of device and method for monitoring paste filling pipe Download PDFInfo
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- CN107064227A CN107064227A CN201710175467.3A CN201710175467A CN107064227A CN 107064227 A CN107064227 A CN 107064227A CN 201710175467 A CN201710175467 A CN 201710175467A CN 107064227 A CN107064227 A CN 107064227A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
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Abstract
The invention discloses a kind of device for monitoring paste filling pipe, including the adjustable circular open snap ring of opening, device for measuring polarizability;Device for measuring polarizability includes current electrode, measuring electrode, power supply, signal amplifier, single-chip microcomputer and PC computers;Current electrode and measuring electrode are arranged in pairs in circular open snap ring, current electrode is connected with the first power supply, the measuring electrode on snap ring top is connected with single-chip microcomputer, the measuring electrode of snap ring bottom is connected with signal amplifier, signal amplifier connects single-chip microcomputer, single-chip microcomputer is connected with PC computers, and signal amplifier, single-chip microcomputer and PC computers are connected with second source, and said elements are connected by wire.Circular open snap ring is arranged on the outside of paste filling pipe to be measured by the present invention, is fastened by adjusting screw rod;The polarizability arranged at multiple monitoring point monitoring diverse locations is easy to note abnormalities in time.The present invention is simple in construction, and service life is long, cost-effective.
Description
Technical field
The present invention relates to a kind of device and method for monitoring paste filling pipe, belong to paste filling material pipe transportation technology
Field.
Background technology
Paste body filling, which refers to optimize one or more fillers with water, to be combined, and is configured to have good stabilization
The toothpaste-like adhesive bond of property, mobility and plasticity, in gravity or applied force(Pump pressure)Conveyed under effect with the form of plug flow
The process of packing job is completed to goaf.
The advantage of paste body filling exploitation is can to solve China's coal-mine to be caving formula exploitation, can prevent gob collapse, protect
Retaining ring border;Be conducive to improving the security exploited;Relative to traditional Mined-out Area control method for being caving formula, filling mining can subtract
Few destruction to water resource, soil, building etc.;The remaining coal column of " under three " can be effectively liberated, the utilization rate of resource is improved,
Extend the length of service of mine;Effectively using discarded spoil etc., the recycling of discarded object is carried out.But its deficiency is
In course of conveying, line clogging is easily caused because corner flowing velocity such as slows down at the reason.Plugging not only influences packing job
Be normally carried out, cause huge economic losses to whole filling system.Pipeline jam accident, which is even more one, to be needed to further investigate and solves
Technical barrier, it is that the slurry in pipeline is detected that whether anticipation, which occurs one of important means of plugging, passes through observation tube
Road middle finger target changes to judge.Therefore, it is to solve the primary of filling plugging situation to appoint to research and develop more advanced plugging monitoring technology
Business and important problem.
The method used most of at present is to detect the pressure of tube wall, so as to judge whether plugging.If certain section of pipeline
There is plugging, a segment pipe pressure above will be raised.Currently used traditional pressure sensor is carrying out tube wall pressure
During measurement, due to being that it is necessary to have higher wearability for swiftly flowing slurry in pipeline;In addition, paste filling material
In big aggregate be easily destroyed pressure sensor, so as to not have the effect of detection.Chinese patent CN103454017A is disclosed
A kind of pressure adjustable nodal pattern paste filling pipe plugging detection means, includes lower cylinder body and upper cylinder body, is characterized in working as pressure
During increase, piston rod promotes cylinder body inside connecting rod, and connecting rod pressure gauge connection measurement pressure, this device design structure is complicated, in
Between transmission pressure it is excessively frequent, error is big.
The content of the invention
The present invention is intended to provide a kind of device and method for monitoring paste filling pipe, principle is simple, cost is relatively low, operation
It is convenient.
The invention provides a kind of device for monitoring paste filling pipe, including circular open snap ring, polarizability measurement dress
Put;
The circular open snap ring is the position that fixed electrode is evenly arranged in the adjustable hollow ring of opening, annulus, circle
Connector is provided with the opening of shape slotted collar, the snap ring is fixed on by connector on the outside of paste filling pipe to be measured;
The device for measuring polarizability includes current electrode, measuring electrode, power supply, signal amplifier, single-chip microcomputer and PC computers;
Current electrode and measuring electrode are arranged in circular open snap ring, and a pair of current electrodes and a pair of measurement electricity are respectively equipped with snap ring
Power supply electricity arranged in a crossed manner in a current electrode and a measuring electrode, lower half annulus is respectively arranged in pole, upper half annulus
Pole and a measuring electrode, adjacent current electrode and measuring electrode are connected by wire, and current electrode is connected with the first power supply,
The measuring electrode on snap ring top is connected with single-chip microcomputer, and the measuring electrode of snap ring bottom is connected with signal amplifier, signal amplifier
Single-chip microcomputer is connected, single-chip microcomputer is connected with PC computers, and signal amplifier, single-chip microcomputer and PC computers are connected with second source,
Said elements are connected by wire.
In said apparatus, altogether provided with four electrodes in the circular open snap ring, four electrode overall lengths account for annulus girth
1/2.
In said apparatus, the position of four fixed electrodes is evenly arranged in the circular open snap ring, is fan-shaped fixation
Module, each the corresponding central angle of sector stuck-module is 45 degree.
In said apparatus, the connector is adjusting screw rod, and snap ring edge is provided with the aluminum alloy sheet with screw, adjusting screw rod
It is connected with snap ring.
In said apparatus, the single-chip microcomputer selects ISO from 8031 single-chip microcomputers in MSC-51 series, signal amplifier
EM A-P-O series, signal adapter selects analog-digital converter.
The invention provides a kind of method for monitoring paste filling pipe, comprise the following steps:
(1)According to symmetry, at the symmetric position that four electrodes are separately fixed in circular open snap ring, and electrode is connected
Connect;(2)Connect device for measuring polarizability:Adjacent current electrode and measuring electrode are connected by wire, current electrode and
One power supply is connected, and the measuring electrode on snap ring top is connected with single-chip microcomputer, and the measuring electrode of snap ring bottom is connected with signal amplifier,
Signal amplifier connects single-chip microcomputer, and single-chip microcomputer is connected with PC computers, and signal amplifier, single-chip microcomputer and PC computers are with second
Power supply is connected;
(3)Mounted circular open snap ring is arranged on the outside of paste filling pipe to be measured, fastened by adjusting screw rod;Root
According to demand, multiple snap ring monitoring points are arranged on a filling pipeline;By setting multiple circular open snap rings to can be achieved;
The polarizability arranged at multiple monitoring point monitoring diverse locations is easy to note abnormalities in time;
(4)When filling starts, the first power supply of closure is charged for current electrode, and the first power supply is disconnected after a period of time, now, power supply
Electrode starts to power for measuring electrode, closes second source, starts each electric elements, and measuring electrode can measure slurry in pipeline
Polarizability, transmit a signal to single-chip microcomputer after amplifying by signal amplifier, transmitted a signal to after being handled through single-chip microcomputer PC meter
Calculation machine, draws the signal magnitude of different location on pipeline on computers, according to abnormal signal between two measurement points, so as to judge
Whether there is plugging between 2 points;When plugging occurs in certain segment pipe, polarizability herein can increase, so as to just can be accurately positioned
Plugging position.
Beneficial effects of the present invention:
The plugging monitoring device that the present invention is provided is simple in construction, and with low cost, easy disassembly, monitoring device is arranged in outside pipeline,
Compared with those are arranged in the device in pipeline, the on the one hand abrasion and destruction without slurry to device, service life is long, saves
Cost;On the other hand, slotted collar is simple in construction, beneficial to dismounting, installs and manufacture.
Brief description of the drawings
Fig. 1 monitors the structural representation of the device of paste filling pipe for the present invention;
Fig. 2 is the profile of round clasp in Fig. 1;
In figure, 1 is the first power supply, and 2 be current electrode, and 3 be measuring electrode, and 4 be circular open snap ring, and 5 be single-chip microcomputer, and 6 be letter
Number amplifier, 7 be PC computers, and 8 be second source, and 9 be adjusting screw rod, and 10 be wire.
Embodiment
The present invention is further illustrated below by embodiment, but is not limited to following examples.
Embodiment 1:
As shown in Figure 1 and 2, a kind of device for monitoring paste filling pipe, including circular open snap ring 4, device for measuring polarizability;
The circular open snap ring 4 is the position that four fixed electrodes are disposed with the adjustable hollow ring of opening, annulus, institute
The position that four fixed electrodes are evenly arranged in circular open snap ring is stated, is fan-shaped stuck-module, each sector stuck-module
Corresponding central angle is 45 degree.Connector is provided with the opening of circular open snap ring, the snap ring is fixed on to be measured by connector
Paste filling pipe on the outside of;The connector is adjusting screw rod 9, and snap ring edge is provided with the aluminum alloy sheet with screw, adjusts spiral shell
Bar is connected with snap ring.
The device for measuring polarizability includes current electrode 2, measuring electrode 3, power supply, signal amplifier 6, the and of single-chip microcomputer 5
PC computers 7;Current electrode 2 and measuring electrode 3 are arranged in circular open snap ring 4, and a pair of power supplies electricity is respectively equipped with snap ring
It is respectively arranged in pole 2 and a pair of measuring electrodes 3, upper half annulus in a current electrode 2 and a measuring electrode 3, lower half annulus
A current electrode 2 arranged in a crossed manner and a measuring electrode 3, adjacent current electrode 2 and measuring electrode 3 are connected by wire 10
Connect, current electrode 2 is connected with the first power supply 1, the measuring electrode 3 on snap ring top is connected with single-chip microcomputer 5, the measurement electricity of snap ring bottom
Pole 3 is connected with signal amplifier 6, and the connection single-chip microcomputer 5 of signal amplifier 6, single-chip microcomputer 5 is connected with PC computers 7, signal amplifier
6th, single-chip microcomputer 8 and PC computers 7 are connected with second source 8, and said elements are connected by wire.
In said apparatus, altogether provided with four electrodes in the circular open snap ring 4, four electrode overall lengths account for annulus girth
1/2.
The single-chip microcomputer 5 selects ISO EM A-P-O systems from 8031 single-chip microcomputers in MSC-51 series, signal amplifier
Row, signal adapter selects analog-digital converter.
The specific monitoring method of monitoring device of the present invention comprises the following steps:
(1)Current electrode 2, measuring electrode 3 are fixed in circular open snap ring 4 at defined symmetric position respectively, by circle
Slotted collar 4 is enclosed in pipe under test, is fastened by adjusting screw rod;
(2)Connect device for measuring polarizability:Current electrode 2 is connected with the first power supply 1, and the Top electrode of measuring electrode 3 connects with single-chip microcomputer 5
Connect, bottom electrode and the arrival end of signal amplifier 6 are connected, the port of export of signal amplifier 6 is connected with the arrival end of single-chip microcomputer 5, single-chip microcomputer 5
Port of export connection is connected with PC computers 7, and signal amplifier 6, single-chip microcomputer 5 and PC computers 7 are connected with power supply 8;
(3)According to actual experiment demand, multiple monitoring points are arranged in pipe under test;A snap ring is fixed in each monitoring point, blocks
Electrode is had been laid out in ring;The polarizability arranged at multiple monitoring point monitoring diverse locations is easy to note abnormalities in time;
(4)When filling starts, the first power supply 1 of closure is charged for current electrode, and the first power supply 1 is disconnected after a period of time, now, is supplied
Electrode 2 starts to power for measuring electrode 3, closes second source 8, starts each electrical appliance, and measuring electrode 3 can be measured in pipeline
The polarizability of slurry, single-chip microcomputer 5 is transmitted a signal to after amplifying by signal amplifier 6, and signal is transmitted after being handled through single-chip microcomputer 5
To PC computers 7, the signal magnitude of different measurement points on pipeline just can be seen on PC computers 7, believe according between two measurement points
Number exception, so as to whether plugging occur between judging at 2 points.When plugging occurs in certain segment pipe, polarizability herein can increase
Greatly, so that plugging position just can be accurately positioned.
Claims (6)
1. a kind of device for monitoring paste filling pipe, it is characterised in that:Including circular open snap ring, device for measuring polarizability;
The circular open snap ring is the position that fixed electrode is evenly arranged in the adjustable hollow ring of opening, annulus, circle
Connector is provided with the opening of shape slotted collar, the snap ring is fixed on by connector on the outside of paste filling pipe to be measured;
The device for measuring polarizability includes current electrode, measuring electrode, power supply, signal amplifier, single-chip microcomputer and PC computers;
Current electrode and measuring electrode are arranged in circular open snap ring, and a pair of current electrodes and a pair of measurement electricity are respectively equipped with snap ring
Power supply electricity arranged in a crossed manner in a current electrode and a measuring electrode, lower half annulus is respectively arranged in pole, upper half annulus
Pole and a measuring electrode, adjacent current electrode and measuring electrode are connected by wire, and current electrode is connected with the first power supply,
The measuring electrode on snap ring top is connected with single-chip microcomputer, and the measuring electrode of snap ring bottom is connected with signal amplifier, signal amplifier
Single-chip microcomputer is connected, single-chip microcomputer is connected with PC computers, and signal amplifier, single-chip microcomputer and PC computers are connected with second source,
Said elements are connected by wire.
2. the device of monitoring paste filling pipe according to claim 1, it is characterised in that:In the circular open snap ring
Altogether provided with four electrodes, four electrode overall lengths account for the 1/2 of annulus girth.
3. the device of monitoring paste filling pipe according to claim 1, it is characterised in that:In the circular open snap ring
The position of four fixed electrodes is evenly arranged, is fan-shaped stuck-module, each the corresponding central angle of sector stuck-module is 45
Degree.
4. the device of monitoring paste filling pipe according to claim 1, it is characterised in that:The connector is regulation spiral shell
Bar, snap ring edge is provided with the aluminum alloy sheet with screw, and adjusting screw rod is connected with snap ring.
5. the device of monitoring paste filling pipe according to claim 1, it is characterised in that:The single-chip microcomputer selects MSC-
8031 single-chip microcomputers in 51 series, signal amplifier selects analog-digital converter from ISO EM A-P-O series, signal adapter.
6. a kind of method for monitoring paste filling pipe, using the monitoring paste filling pipe described in any one of claim 1 ~ 5
Device, it is characterised in that:Comprise the following steps:
(1)According to symmetry, at the symmetric position that four electrodes are separately fixed in circular open snap ring, and electrode is connected
Connect;(2)Connect device for measuring polarizability:Adjacent current electrode and measuring electrode are connected by wire, current electrode and
One power supply is connected, and the measuring electrode on snap ring top is connected with single-chip microcomputer, and the measuring electrode of snap ring bottom is connected with signal amplifier,
Signal amplifier connects single-chip microcomputer, and single-chip microcomputer is connected with PC computers, and signal amplifier, single-chip microcomputer and PC computers are with second
Power supply is connected;
(3)Mounted circular open snap ring is arranged on the outside of paste filling pipe to be measured, fastened by adjusting screw rod;Root
According to demand, multiple snap ring monitoring points are arranged on a filling pipeline;The polarization arranged at multiple monitoring point monitoring diverse locations
Rate is easy to note abnormalities in time;
(4)When filling starts, the first power supply of closure is charged for current electrode, and the first power supply is disconnected after a period of time, now, power supply
Electrode starts to power for measuring electrode, closes second source, starts each element, and measuring electrode can measure the pole of slurry in pipeline
Rate, single-chip microcomputer is transmitted a signal to after amplifying by signal amplifier, and PC computers are transmitted a signal to after being handled through single-chip microcomputer,
The signal magnitude of different location on pipeline is drawn on computers, according to abnormal signal between two measurement points, so as to judge at 2 points
Between whether there is plugging;When plugging occurs in certain segment pipe, polarizability herein can increase, so that plugging just can be accurately positioned
Position.
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CN201710175467.3A CN107064227B (en) | 2017-03-22 | 2017-03-22 | device and method for monitoring paste filling pipeline |
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CN201710175467.3A CN107064227B (en) | 2017-03-22 | 2017-03-22 | device and method for monitoring paste filling pipeline |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109298025A (en) * | 2018-08-28 | 2019-02-01 | 太原理工大学 | The experimental rig and method of paste body filling slurry isolation in a kind of monitoring pipeline |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109298025A (en) * | 2018-08-28 | 2019-02-01 | 太原理工大学 | The experimental rig and method of paste body filling slurry isolation in a kind of monitoring pipeline |
CN109298025B (en) * | 2018-08-28 | 2021-03-05 | 太原理工大学 | Test device and method for monitoring segregation of paste filling slurry in pipeline |
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