CN114646579B - Suspended matter detection device in mine - Google Patents
Suspended matter detection device in mine Download PDFInfo
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- CN114646579B CN114646579B CN202210559241.4A CN202210559241A CN114646579B CN 114646579 B CN114646579 B CN 114646579B CN 202210559241 A CN202210559241 A CN 202210559241A CN 114646579 B CN114646579 B CN 114646579B
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- 238000001514 detection method Methods 0.000 title claims description 52
- 239000010865 sewage Substances 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 238000011897 real-time detection Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000005070 sampling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
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- Life Sciences & Earth Sciences (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a device for detecting suspended matters in a mine, which comprises a bracket, a sewage collection bin, an opening and closing assembly, an ultrasonic vibration assembly, a heater, a centrifugal cover plate and a collection cover, wherein the bracket is arranged on the bracket; the bottom of the sewage collection bin is provided with a water inlet, the opening and closing of the water inlet is controlled by the opening and closing assembly, a liquid level sensor is arranged in the sewage collection bin, the ultrasonic vibration assembly comprises a buoyancy plate, an ultrasonic generator and an ultrasonic vibration piece, the ultrasonic vibration piece is installed on the buoyancy plate, the ultrasonic generator drives the ultrasonic vibration piece to vibrate, the heater is located in the sewage collection bin, a centrifugal cover plate covers the top of the sewage collection bin, and the collection cover is installed on the support and is provided with a pressure sensor between the collection cover and the support. According to the device for detecting suspended matters in the mine, disclosed by the invention, the evaporation, separation and condensation of sewage are realized through the ultrasonic vibration component, the heater and the centrifugal cover plate, the mass and the volume of suspended matters in the sewage are quickly obtained, and the real-time detection of the concentration of the suspended matters in the mine is realized.
Description
Technical Field
The invention relates to the field of detection equipment, in particular to a device for detecting suspended matters in a mine.
Background
The method comprises the following steps that accumulated water is often accumulated in a mine, the daily safety inspection work of the mine comprises mine accumulated water suspended matter concentration detection, the method in the prior art is to take accumulated water samples in the mine back to a laboratory, and then suspended matter concentration detection is carried out by using equipment in the laboratory; the disadvantages of this approach are: 1. the accumulated water sampling is troublesome, a large amount of accumulated water in a mine cannot be easily reached, and a sampling worker often needs to carry a sampling tool to work in the mine; 2. the detection result has postponement nature, and generally all ponding in the mine just can be concentrated and send the laboratory to and detect after all sampling, need number and record all samples during the sampling, need count all data after the detection, and it is consuming time.
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, a detection method for the concentration of suspended matters in a mine depends on accumulated water sampling, the operation is troublesome, and the detection result has delay.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a device for detecting suspended matters in a mine comprises a support, a sewage collecting bin, an opening and closing assembly, an ultrasonic vibration assembly, a heater, a centrifugal cover plate and a collecting cover;
the sewage collecting bin is arranged on the support, a water inlet is formed in the bottom of the sewage collecting bin, and the opening and closing assembly is arranged at the water inlet and controls the opening and closing of the water inlet; a liquid level sensor is arranged in the sewage collecting bin and used for measuring the sewage level in the sewage collecting bin;
the ultrasonic vibration assembly is positioned in the sewage collection bin and comprises a floating plate, an ultrasonic generator and an ultrasonic vibration piece, the ultrasonic vibration piece is arranged on the floating plate, the ultrasonic generator drives the ultrasonic vibration piece to vibrate, and sewage in the sewage collection bin can be atomized through the vibration of the ultrasonic vibration piece;
the heater is located the sewage collection storehouse, and the heater is used for heating the atomizing sewage, makes its gasification, centrifugal apron lid is at the top in sewage collection storehouse, and centrifugal apron configuration power device makes its rotation, and centrifugal apron is used for comdenstion water vapour and throws away the comdenstion water from the edge of centrifugal apron, collects the cover and installs on the support and collect and set up pressure sensor between cover and the support, collects the cover and is provided with the collecting vat that is used for collecting the comdenstion water, and the collecting vat aligns with the border of centrifugal apron.
The device for detecting suspended matters in a mine can measure the concentration of the suspended matters accumulated in the mine on site, and the basic working flow is as follows:
the method comprises the following steps: putting the detection device into accumulated water in a mine, and opening a water inlet by using an opening and closing assembly to enable sewage to enter a sewage collection bin;
step two: starting an ultrasonic vibrating plate to atomize the sewage;
step three: the heater gasifies the atomized sewage, the evaporated steam is condensed again in the centrifugal cover plate, the condensed water is thrown into the collecting tank of the collecting cover, and the separated suspended particles are retained on the surfaces of the ultrasonic vibration assembly and the sewage collecting bin;
step four: obtaining the volume V of evaporated sewage according to the change data of the liquid level sensor, obtaining the mass of evaporated and condensed water according to the data of the pressure sensor, further calculating the volume of condensed water, wherein the difference value of the volume of the sewage and the volume of the condensed water is the volume of suspended matters, the density of the suspended matters is measured in advance, the mass m of the suspended matters is calculated according to the volume of the suspended matters, and finally the concentration of the suspended matters can be obtained according to the mass m of the suspended matters and the volume V of the sewage;
in order to realize the automatic detection of the concentration of the suspended matters, a control chip is arranged in the detection device, the control chip controls the opening and closing assembly, the ultrasonic vibration assembly, the heater and the centrifugal cover plate, and the control chip receives data of the liquid level sensor and the pressure sensor and calculates the concentration of the suspended matters according to a set formula.
Specifically, the shape of buoyancy board is unanimous with the cross section in sewage collection storehouse, sets up the mounting hole in the buoyancy board, and the ultrasonic wave trembler is located the mounting hole, and the ultrasonic wave trembler should be located the minimum of mounting hole so that the surface of water of ultrasonic wave trembler laminating sewage, is provided with the through-hole in the ultrasonic wave trembler so that atomizing sewage soaks.
In order to distribute suspended matters in the sewage as uniformly as possible, the bottom of the sewage collecting bin is provided with the stirring blade, and the sewage is stirred by the stirring blade before the atomization operation is carried out on the sewage.
Specifically, the subassembly of opening and close includes lifter plate, elevator motor and gear, and the lifter plate is located water inlet department, and the surface of lifter plate is provided with the rack of vertical direction, and elevator motor's output shaft connects the gear, and gear and rack toothing, elevator motor pass through the gear and the ascending and decline of rack drive lifter plate, and then realize opening and closing of water inlet.
Further, the heater is a heat radiation tube.
When the detection device is applied, the detection device needs to be thrown into accumulated water in a mine, a water inlet needs to be ensured to be positioned below a liquid level, but the whole device cannot be completely submerged into water, and a user can control the detection device through a lifting rope, but the method is troublesome, in order to simplify the operation, the detection device is provided with a buoyancy ring, the buoyancy ring is arranged on a support, and the water inlet of a sewage collection bin is lower than the buoyancy ring; the whole detection device can automatically float on the water surface after being thrown into the water.
The detection device is provided with a semi-annular unfolding arm, the unfolding arm is hinged on a support, and the unfolding arm is provided with a power device capable of rotating the unfolding arm; when necessary, the user can control the unfolding arm to rotate and unfold, and the detection device can be fixed by the contact of the unfolding arm and the wall of the mine well.
In order to conveniently release and recover the detection device, the invention also comprises a traction cable, the traction cable is physically connected with the bracket, and the traction cable is electrically connected with each electric appliance of the suspended matter detection device in the mine; when the detection device is used, the power supply is placed beside a user, the user can put in and retrieve the detection device by holding the traction cable, and the power supply supplies power to the detection device through the traction cable.
Furthermore, the surface of the centrifugal cover plate is provided with cooling fins for helping the centrifugal cover plate to cool so that water vapor is condensed on the inner surface of the centrifugal cover plate.
Has the beneficial effects that: (1) according to the device for detecting suspended matters in the mine, disclosed by the invention, the evaporation, separation and condensation of sewage are realized through the ultrasonic vibration component, the heater and the centrifugal cover plate, the mass and the volume of suspended matters in the sewage are quickly obtained, and the real-time detection of the concentration of the suspended matters in the mine is realized. (2) The device for detecting suspended matters in the mine firstly atomizes the sewage by the ultrasonic vibrating reed before heating the sewage, so that the evaporation process is faster, and the detection efficiency is improved. (3) The device for detecting suspended matters in a mine floats the ultrasonic vibration sheet on the surface of sewage by utilizing the buoyancy plate, and ensures that the ultrasonic vibration sheet is always positioned at the liquid level no matter how the liquid level of the sewage in the sewage collection bin changes. (4) According to the mine suspended matter detection device, the stirring blades are arranged at the bottom of the sewage collection bin, so that suspended matters in sewage are distributed more uniformly, and the accuracy of detection data is improved. (5) The device for detecting suspended matters in the mine is provided with the buoyancy ring, and the whole detection device can work after being directly put into water without manually operating the position of the detection device in the water.
Drawings
FIG. 1 is a perspective view of a detecting unit according to embodiment 1.
FIG. 2 is a half-sectional view of the detecting unit of example 1.
FIG. 3 is a schematic diagram of a sewage collecting chamber (half section) and a lifting plate in example 1.
Fig. 4 is a perspective view of the ultrasonic vibration module in embodiment 1.
Fig. 5 is a half sectional view of the centrifugal cover plate in example 1.
Fig. 6 is a half sectional view of the collecting cover in example 1.
FIG. 7 is a view showing the detection apparatus of example 1 after the deployment arm is deployed (with the centrifugal cover plate and the collection hood hidden).
Wherein: 100. a support; 200. a sewage collection bin; 210. a water inlet; 220. a stirring blade; 230. a liquid level sensor; 300. an opening and closing assembly; 310. a lifting plate; 311. a rack; 320. a lifting motor; 330. a gear; 400. an ultrasonic vibration component; 410. a buoyancy plate; 411. mounting holes; 420. an ultrasonic generator; 430. an ultrasonic vibrating plate; 431. a through hole; 500. a heater; 600. a centrifugal cover plate; 610. a centrifugal power device; 620. a heat sink; 700. a collection hood; 710. collecting tank; 720. a pressure sensor; 800. unfolding the arm; 900. a buoyancy ring; 1000. and (4) pulling the cable.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
Example 1
As shown in fig. 1 to 5, the apparatus for detecting suspended matter in a mine according to the present embodiment includes a support 100, a sewage collecting bin 200, an opening and closing assembly 300, an ultrasonic vibration assembly 400, a heater 500, a centrifugal cover plate 600, a collecting cover 700, a deployment arm 800, a buoyancy ring 900, and a traction cable 1000;
as shown in fig. 2 and 3, the sewage collecting bin 200 is installed on the support 100, the sewage collecting bin 200 is cylindrical, the top of the sewage collecting bin 200 is open, the bottom of the side of the sewage collecting bin 200 is provided with a water inlet 210, and the bottom of the sewage collecting bin 200 is provided with a stirring blade 220; a liquid level sensor 230 is arranged in the sewage collecting bin 200, and the liquid level sensor 230 is used for measuring the sewage liquid level in the sewage collecting bin 200;
the opening and closing assembly 300 comprises a lifting plate 310, a lifting motor 320 and a gear 330, wherein the lifting plate 310 is cylindrical, the lifting plate 310 is positioned at the water inlet 210, a rack 311 in the vertical direction is arranged on the surface of the lifting plate 310, an output shaft of the lifting motor 320 is connected with the gear 330, the gear 330 is meshed with the rack 311, the lifting motor 320 drives the lifting plate 310 to ascend and descend through the gear 330 and the rack 311, and further the water inlet 210 is opened and closed;
as shown in fig. 2 and 4, the ultrasonic vibration module 400 is located in the sewage collecting bin 200, the ultrasonic vibration module 400 includes a buoyancy plate 410, an ultrasonic generator 420 and an ultrasonic vibration sheet 430, the buoyancy plate 410 is circular, a circular mounting hole 411 is formed in the buoyancy plate 410, the ultrasonic vibration sheet 430 is located in the mounting hole 411, the ultrasonic generator 420 drives the ultrasonic vibration sheet 430 to vibrate, the ultrasonic vibration sheet 430 is located at the lowest point of the mounting hole 411 so that the ultrasonic vibration sheet 430 can be attached to the water surface of the sewage, the sewage in the sewage collecting bin 200 can be atomized through the vibration of the ultrasonic vibration sheet 430, and a through hole 431 is formed in the ultrasonic vibration sheet 430 so that the atomized sewage can be raised;
the heater 500 is a heat radiation pipe, as shown in fig. 2 and 3, the heater 500 is located in the sewage collecting bin 200, the position of the heater 500 is higher than that of the ultrasonic vibration assembly 400, and the heater 500 is used for heating and gasifying the atomized sewage;
as shown in fig. 2 and 5, the centrifugal cover plate 600 covers the top of the sewage collecting bin 200, the centrifugal cover plate 600 is provided with a centrifugal power device 610 to rotate, the surface of the centrifugal cover plate 600 is provided with cooling fins 620, and the centrifugal cover plate 600 is used for condensing water vapor and throwing the condensed water out of the edge of the centrifugal cover plate 600; as shown in fig. 2 and 6, the collection cover 700 is mounted on the stand 100 and a pressure sensor 720 is provided between the collection cover 700 and the stand 100, the collection cover 700 is provided with a collection groove 710 for collecting condensed water, and the collection groove 710 is aligned with an edge of the centrifugal cover plate 600;
as shown in fig. 1 and 2, the buoyancy ring 900 is installed on the support 100, the water inlet 210 of the sewage collection bin 200 is lower than the buoyancy ring 900, and the whole detection device can automatically float on the water surface after being thrown into the water;
as shown in fig. 1 and 7, the unfolding arm 800 is in a semi-circular shape, the unfolding arm 800 is hinged on the bracket 100, and the unfolding arm 800 is provided with a unfolding power device capable of rotating the unfolding arm 800; when necessary, a user can control the unfolding arm 800 to rotate and unfold, and the detection device can be fixed when the unfolding arm 800 is in contact with the wall of the mine well;
the traction cable 1000 is physically connected with the support 100, and the traction cable 1000 is electrically connected with each electrical appliance of the suspended matter detection device in the mine; when the detection device is used, the power supply is placed beside a user, the user can put in and recover the detection device by holding the traction cable 1000, and the power supply supplies power to the detection device through the traction cable 1000.
The detection device of the embodiment is internally provided with a control chip which controls the opening and closing component 300, the ultrasonic vibration component 400, the heater 500 and the centrifugal cover plate 600, and the control chip receives data of the liquid level sensor 230 and the pressure sensor 720; the detection device of this embodiment mainly used on-spot detection mine well ponding's suspended solid concentration, specific application method is:
the method comprises the following steps: putting the detection device into accumulated water in the mine, and automatically floating on the water surface under the action of the buoyancy ring 900;
step two: lifting the lifting plate 310 of the opening and closing assembly 300 shown in fig. 3, opening the water inlet 210, allowing the sewage to enter the sewage collecting bin 200, and then closing the water inlet 210; the ultrasonic vibration module 400 floats on the surface of the sewage in the sewage collecting bin 200;
step three: starting the stirring blade 220 shown in fig. 3 to fully stir the sewage;
step four: starting the ultrasonic vibrating reed 430 to atomize the sewage;
step five: the heater 500 and the centrifugal cover plate 600 are started, the heater 500 gasifies the atomized sewage, the evaporated water vapor is condensed again in the centrifugal cover plate 600, and the condensed water is thrown into the collecting tank 710 of the collecting cover 700 by the centrifugal cover plate 600; the separated suspended particles are retained on the surfaces of the ultrasonic vibration assembly 400 and the sewage collecting bin 200;
step six: the volume V of the evaporated sewage is obtained according to the change data of the liquid level sensor 230, the mass of the evaporated and condensed water is obtained according to the data of the pressure sensor 720, the volume of the condensed water is further calculated, the difference value of the volume V of the sewage and the volume of the condensed water is the volume of the suspended matters, the density of the suspended matters is measured in advance, the mass m of the suspended matters is calculated according to the volume of the suspended matters, and finally the concentration of the suspended matters can be obtained according to the mass m of the suspended matters and the volume V of the sewage.
Although the embodiments of the present invention have been described in the specification, these embodiments are merely provided as a hint, and should not limit the scope of the present invention. Various omissions, substitutions, and changes may be made without departing from the spirit of the invention and are intended to be within the scope of the invention.
Claims (10)
1. A suspended solid detection device in mine which characterized in that: comprises a bracket (100), a sewage collecting bin (200), an opening and closing component (300), an ultrasonic vibration component (400), a heater (500), a centrifugal cover plate (600) and a collecting cover (700);
the sewage collecting bin (200) is arranged on the support (100), a water inlet (210) is formed in the bottom of the sewage collecting bin (200), and the opening and closing assembly (300) is arranged on the water inlet (210) and controls the opening and closing of the water inlet (210); a liquid level sensor (230) is arranged in the sewage collection bin (200);
the ultrasonic vibration assembly (400) is positioned in the sewage collection bin (200), the ultrasonic vibration assembly (400) comprises a floating plate (410), an ultrasonic generator (420) and an ultrasonic vibration plate (430), the ultrasonic vibration plate (430) is arranged on the floating plate (410), and the ultrasonic generator (420) drives the ultrasonic vibration plate (430) to vibrate;
the heater (500) is located in the sewage collection bin (200), the centrifugal cover plate (600) covers the top of the sewage collection bin (200), the collection cover (700) is installed on the support (100) and a pressure sensor (720) is arranged between the collection cover (700) and the support (100), the collection cover (700) is provided with a collection groove (710) used for collecting condensed water, and the collection groove (710) is aligned with the edge of the centrifugal cover plate (600).
2. The in-mine suspended matter detection device of claim 1, wherein: the shape of the buoyancy plate (410) is consistent with the cross section of the sewage collection bin (200), a mounting hole (411) is formed in the buoyancy plate (410), the ultrasonic vibration piece (430) is located in the mounting hole (411), and a through hole (431) is formed in the ultrasonic vibration piece (430).
3. The in-mine suspended matter detection device of claim 1, wherein: and a stirring blade (220) is arranged at the bottom of the sewage collection bin (200).
4. The in-mine suspended matter detection device of claim 1, wherein: the opening and closing assembly (300) comprises a lifting plate (310), a lifting motor (320) and a gear (330), wherein the lifting plate (310) is located at the water inlet (210), a rack (311) in the vertical direction is arranged on the surface of the lifting plate (310), an output shaft of the lifting motor (320) is connected with the gear (330), and the gear (330) is meshed with the rack (311).
5. The in-mine suspended matter detection device according to claim 1, characterized in that: the heater (500) is a heat radiation tube.
6. The in-mine suspended matter detection device of claim 1, wherein: the foldable bicycle is characterized by further comprising a unfolding arm (800), wherein the unfolding arm (800) is in a semi-ring shape, and the unfolding arm (800) is hinged to the support (100).
7. The in-mine suspended matter detection device of claim 1, wherein: still include buoyancy circle (900), buoyancy circle (900) is installed on support (100), water inlet (210) of sewage collection storehouse (200) are less than buoyancy circle (900).
8. The in-mine suspended matter detection device according to any one of claims 1 to 7, wherein: the system also comprises a control chip, wherein the control chip receives data of the liquid level sensor (230) and the pressure sensor (720), and controls the suspended matter detection device in the mine and calculates the concentration of suspended matters according to the following steps:
the method comprises the following steps: the opening and closing assembly (300) is used for opening the water inlet (210) so that sewage enters the sewage collecting bin (200);
step two: starting an ultrasonic vibrating reed (430) to atomize the sewage;
step three: the heater (500) gasifies the atomized sewage, evaporated water vapor is condensed again in the centrifugal cover plate (600), the condensed water is thrown into a collecting tank (710) of the collecting cover (700), and separated suspended particles are retained on the surfaces of the ultrasonic vibration assembly (400) and the sewage collecting bin (200);
step four: the control chip obtains the volume V of the evaporated sewage according to the change data of the liquid level sensor (230), the control chip obtains the mass of the evaporated and condensed water according to the data of the pressure sensor (720), the volume of the condensed water is further calculated, the difference value of the volume of the sewage and the volume of the condensed water is the volume of suspended matters, the density of the suspended matters is measured in advance, the mass m of the suspended matters is calculated according to the volume of the suspended matters, and finally the concentration of the suspended matters can be obtained according to the mass m of the suspended matters and the volume V of the sewage.
9. The in-mine suspended matter detection device according to claim 8, characterized in that: the device is characterized by further comprising a traction cable (1000), wherein the traction cable (1000) is physically connected with the support (100), and the traction cable (1000) is electrically connected with each electric appliance of the suspended matter detection device in the mine.
10. The in-mine suspended matter detection device of claim 1, wherein: the surface of the centrifugal cover plate (600) is provided with cooling fins (620).
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| CN202210559241.4A CN114646579B (en) | 2022-05-23 | 2022-05-23 | Suspended matter detection device in mine |
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