CN204575613U - A kind of warning device of filling slurry excessive concentration - Google Patents
A kind of warning device of filling slurry excessive concentration Download PDFInfo
- Publication number
- CN204575613U CN204575613U CN201520147111.5U CN201520147111U CN204575613U CN 204575613 U CN204575613 U CN 204575613U CN 201520147111 U CN201520147111 U CN 201520147111U CN 204575613 U CN204575613 U CN 204575613U
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- feeder hopper
- warning device
- liquid level
- filling slurry
- fork
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Abstract
A warning device for filling slurry excessive concentration, comprises feeder hopper, baffle plate, L-type pipe and warning device; Feeder hopper is the hopper of upper and lower opening; Feeder hopper inner upper end is provided with baffle plate, feeder hopper is divided into charging aperture and monitoring mouth; Feeder hopper sidewall is provided with graduated scale; In monitoring mouth, warning device is installed; Warning device is made up of tuning fork, Fork LIquid Level Switch, support bar, expansion link and loudspeaker; Tuning fork is arranged on the lower end of Fork LIquid Level Switch; Fork LIquid Level Switch is connected with loudspeaker by support bar; Fork LIquid Level Switch is connected with fixed mount by expansion link with the tie point of support bar; Expansion link is fixed on the sidewall of feeder hopper; The end opening of L-type pipe and feeder hopper is tightly connected.The warning device of filling slurry excessive concentration of the present utility model, reports to the police by exceeding critical altitude to filling slurry liquid level, and then realizes warning object filling slurry concentration being exceeded to critical concentration, its structure is simple, production cost is low, and reliability is high, easy to use.
Description
Technical field
The utility model relates to a kind of equipment for filling in mine, especially relates to a kind of warning device of filling slurry excessive concentration.
Background technology
Filling in mine is as the important means of administering mine worked-out section, large argument process solid waste, and at home and abroad mining industry is used widely.Current filling in mine applies self-flowing pastefill mostly, and the filling slurry potential energy that self-flowing pastefill utilizes the large discrepancy in elevation to produce is carried, and energy consumption is low, small investment.In order to ensure the quality of filling in mine, the requirement of filling slurry demand fulfillment high concentration and long-distance sand transport performance, according to the deployment scenarios of delivery line, there is different critical concentrations when filling in filling slurry.Monitoring filling slurry concentration, makes filling slurry concentration be no more than critical value, or only in very short time, exceedes critical value, and then avoid filling pipeline jam accident to occur.
At present, usually following 3 kinds are mainly contained to the monitoring method of filling slurry concentration.
1) on the outlet conduit of filling slurry stirring machine, nuclear density gauge being installed, obtaining the concentration of slip by measuring pulp density, thus realize the Real-Time Monitoring to pulp density;
2) method adopting hand sampling concentration pot to measure is monitored concentration;
3) a kind of PLC filling slurry concentration detection system disclosed in CN103018407 A, its measuring apparatus by measure the attal variable obtained and feed back in PLC master control system, PLC master control system carries out data processing to attal variable, result is shown in real time by display device, to provide the CONCENTRATION STATE of filling slurry in time; If the CONCENTRATION STATE of filling slurry exceeds normality threshold, then PLC master control system carries out automatic alarm by warning device, and then the frequency parameter of each equipment is automatically adjusted by intelligent identifying system, carry out the control and management of filling slurry concentration, avoid blindly filling because concentration distortion causes.
In the first monitoring method above-mentioned, nuclear density gauge is radioactive source product, and operation and maintenance requires comparatively strict, and use cost is higher; Second method cannot Real-Time Monitoring, and labour intensity is larger; Detection system complex structure in the third method, cost is high, and easily causes detection inaccurate because electronic unit breaks down.
Utility model content
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, provides a kind of structure simple, easy to use, low cost, the warning device of the filling slurry excessive concentration that reliability is high.
The utility model solves the technical scheme that its technical matters adopts: a kind of warning device of filling slurry excessive concentration, comprises feeder hopper, baffle plate, L-type pipe and warning device; Described feeder hopper is the hopper of upper and lower opening; Described feeder hopper inner upper end is provided with baffle plate, feeder hopper is divided into charging aperture and monitoring mouth; Described feeder hopper sidewall is provided with graduated scale; In described monitoring mouth, warning device is installed; Described warning device is made up of tuning fork, Fork LIquid Level Switch, support bar, expansion link and loudspeaker; Described tuning fork is arranged on the lower end of Fork LIquid Level Switch; Described Fork LIquid Level Switch is connected with loudspeaker by support bar; Described Fork LIquid Level Switch is connected with fixed mount by expansion link with the tie point of support bar; Described expansion link is fixed on the sidewall of feeder hopper; The end opening of described L-type pipe and feeder hopper is tightly connected.
Further, described fixed mount is made up of montant and cross bar, described cross bar offers the chute for expansion link horizontal slip; Described cross bar is connected with expansion link by bolt.
Further, described baffle plate is square or arc.
Further, the internal diameter of described L-type pipe is less than 0.5 times of internal diameter of filling pipe.
Described Fork LIquid Level Switch, loudspeaker are connected with power supply.
According to existing research, during the conveying of L-type pipe, under identical working condition (namely the parameter such as flow velocity, caliber is identical), the pulp density in L-type pipe is higher, then the liquid level of slip in L-type pipe is higher, the different pulp density that different liquid levels is corresponding; And the spectrum of pulp density and liquid level, determined by parameters such as L-type pipe size, material and slip characteristics, usually adopt the auxiliary theory calculate of test to determine.
The determination of filling slurry critical concentration, by the decision such as characteristic of the actual stowing gradient in mine, pipeline parameter and filling slurry, is comprehensively determined by test parameters theory calculate and on-site experience usually.
The principle of work of the warning device of a kind of filling slurry excessive concentration of the utility model and using method: filling slurry prepared by stirring machine is directly disposed in the charging aperture of feeder hopper, pass through self-flowing pastefill, flow out from the outlet of L-type pipe, enter in filling borehole or filling pump; Filling slurry is carried in L-type pipeline exists certain resistance of ducting, and vertical section needs certain altitude just Absorbable organic halogens conveying, and machine slurry level remains in the vertical section of L-type pipe or feeder hopper.
Due under identical working condition, filling slurry is in the corresponding a certain certain concentration of a certain height of L-type pipe or feeder hopper, the utility model adopts Tuning Fork Switch monitoring liquid level whether to exceed critical altitude, and then reach the object of monitoring concentration and whether exceeding critical concentration, namely reporting to the police by exceeding critical altitude to liquid level, the alarm effect of critical concentration can be exceeded concentration.During use, by the height of the relative feeder hopper of adjustable telescopic rod, and then the position bottom Fork LIquid Level Switch thereunder and tuning fork is installed in adjustment, makes the position in feeder hopper monitoring mouth bottom tuning fork be in critical altitude; The principle of work of Tuning Fork Switch by a pair piezoelectric crystal be arranged on tuning fork pedestal, tuning fork is vibrated under certain resonant frequency.When the tuning fork of warning device contacts with measured medium, the frequency of tuning fork and amplitude will change, when the smart circuit in Fork LIquid Level Switch monitors the frequency of tuning fork and amplitude changes, be converted into processing of circuit signal, and then unlatching loudspeaker, make loudspeaker send the sound of an alarm function such as buzzing; Namely, when liquid level reaches critical altitude, Fork LIquid Level Switch triggers, and loudspeaker send chimes of doom.Baffle plate can avoid the spray interference Tuning Fork Switch splash during throat-fed.
The beneficial effect of the warning device of a kind of filling slurry excessive concentration of the utility model: report to the police by exceeding critical altitude to filling slurry liquid level, and then realizing warning object filling slurry concentration being exceeded to critical concentration, its structure is simple, and production cost is low, reliability is high, easy to use.
Accompanying drawing explanation
Fig. 1-be the front view of the warning device of a kind of filling slurry excessive concentration of the utility model;
Fig. 2-be a kind of in embodiment 1 vertical view of warning device of filling slurry excessive concentration;
Fig. 3-be a kind of in embodiment 2 vertical view of warning device of filling slurry excessive concentration.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
embodiment 1
With reference to Fig. 1, a kind of warning device of filling slurry excessive concentration, comprises feeder hopper 2, baffle plate 3, L-type pipe 1 and warning device; Described feeder hopper 2 is the hopper of upper and lower opening; Described feeder hopper 2 inner upper end is provided with baffle plate 3, feeder hopper 2 is divided into charging aperture 2-1 and monitoring mouth 2-2; Described feeder hopper 2 sidewall is provided with graduated scale 10; In described monitoring mouth 2-2, warning device is installed; Described warning device is made up of tuning fork 9, Fork LIquid Level Switch 8, support bar 7, expansion link 5 and loudspeaker 6; Described tuning fork 9 is arranged on the lower end of Fork LIquid Level Switch 8; Described Fork LIquid Level Switch 8 is connected with loudspeaker 6 by support bar 7; Described Fork LIquid Level Switch 8 is connected with fixed mount 4 by expansion link 5 with the tie point of support bar 7; Described expansion link 5 is fixed on the sidewall of feeder hopper 2; Described L-type pipe 1 is tightly connected with the end opening of feeder hopper 2.
With reference to Fig. 2, described fixed mount 4 is made up of montant 4-1 and cross bar 4-2, described cross bar 4-2 offers the chute 4-3 for expansion link 5 horizontal slip; Described cross bar is connected with expansion link 5 by bolt 4-4.
Described baffle plate 3 is square.
The internal diameter of described L-type pipe 1 is 0.35 times of filling pipe internal diameter.
Described Fork LIquid Level Switch 8, loudspeaker 6 are connected with power supply (accompanying drawing does not mark).
embodiment 2
With reference to Fig. 1, a kind of warning device of filling slurry excessive concentration, comprises feeder hopper 2, baffle plate 3, L-type pipe 1 and warning device; Described feeder hopper 2 is the hopper of upper and lower opening; Described feeder hopper 2 inner upper end is provided with baffle plate 3, feeder hopper 2 is divided into charging aperture 2-1 and monitoring mouth 2-2; Described feeder hopper 2 sidewall is provided with graduated scale 10; In described monitoring mouth 2-2, warning device is installed; Described warning device is made up of tuning fork 9, Fork LIquid Level Switch 8, support bar 7, expansion link 5 and loudspeaker 6; Described tuning fork 9 is arranged on the lower end of Fork LIquid Level Switch 8; Described Fork LIquid Level Switch 8 is connected with loudspeaker 6 by support bar 7; Described Fork LIquid Level Switch 8 is connected with fixed mount 4 by expansion link 5 with the tie point of support bar 7; Described expansion link 5 is fixed on the sidewall of feeder hopper 2; Described L-type pipe 1 is tightly connected with the end opening of feeder hopper 2.
With reference to Fig. 3, described fixed mount 4 is made up of montant 4-1 and cross bar 4-2, described cross bar 4-2 offers the chute 4-3 for expansion link 5 horizontal slip; Described cross bar is connected with expansion link 5 by bolt 4-4.
Described baffle plate 3 is curved.
The internal diameter of described L-type pipe 1 is 0.4 times of filling pipe internal diameter.
Described Fork LIquid Level Switch 8, loudspeaker 6 are connected with power supply (accompanying drawing does not mark).
The principle of work of the warning device of a kind of filling slurry excessive concentration of the utility model and using method: filling slurry prepared by stirring machine is directly disposed in the charging aperture 2-1 of feeder hopper 2, pass through self-flowing pastefill, export from L-type pipe 1 and flow out, enter in filling borehole or filling pump; Filling slurry is carried in L-type pipe 1 road exists certain resistance of ducting, and vertical section needs certain altitude just Absorbable organic halogens conveying, and machine slurry level remains in the vertical section of L-type pipe 1 or feeder hopper 2.
Due under identical working condition, filling slurry is in the corresponding a certain certain concentration of a certain height of L-type pipe 1 or feeder hopper 2, the utility model adopts tuning fork 9 switch monitors liquid level whether to exceed critical altitude, and then reach the object of monitoring concentration and whether exceeding critical concentration, namely reporting to the police by exceeding critical altitude to liquid level, the alarm effect of critical concentration can be exceeded concentration.The determination of filling slurry critical concentration, by the decision such as characteristic of the actual stowing gradient in mine, pipeline parameter and filling slurry, is comprehensively determined by test parameters theory calculate and on-site experience usually.
During use, by the height of the relative feeder hopper 2 of adjustable telescopic rod 5, and then the position bottom Fork LIquid Level Switch 8 thereunder and tuning fork 9 is installed in adjustment, makes to be in critical altitude in the position that feeder hopper 2 is monitored in mouth 2-2 bottom tuning fork 9; The principle of work of Fork LIquid Level Switch 8 by a pair piezoelectric crystal be arranged on Fork LIquid Level Switch 8 pedestal, tuning fork 9 is vibrated under certain resonant frequency.When the tuning fork 9 of warning device contacts with measured medium, the frequency of tuning fork 9 and amplitude will change, when the smart circuit in Fork LIquid Level Switch 8 monitors the frequency of tuning fork 9 and amplitude changes, be converted into processing of circuit signal, and then open loudspeaker 6, make loudspeaker 6 send the sound of an alarm function such as buzzing; Namely when liquid level reaches critical altitude, Fork LIquid Level Switch 8 triggers, and loudspeaker 6 send chimes of doom.Baffle plate 3 can avoid spray interference tuning fork 9 switch splash during charging aperture 2-1 charging.
Claims (4)
1. a warning device for filling slurry excessive concentration, is characterized in that, comprises feeder hopper, baffle plate, L-type pipe and warning device; Described feeder hopper is the hopper of upper and lower opening; Described feeder hopper inner upper end is provided with baffle plate, feeder hopper is divided into charging aperture and monitoring mouth; Described feeder hopper sidewall is provided with graduated scale; In described monitoring mouth, warning device is installed; Described warning device is made up of tuning fork, Fork LIquid Level Switch, support bar, expansion link and loudspeaker; Described tuning fork is arranged on the lower end of Fork LIquid Level Switch; Described Fork LIquid Level Switch is connected with loudspeaker by support bar; Described Fork LIquid Level Switch is connected with fixed mount by expansion link with the tie point of support bar; Described expansion link is fixed on the sidewall of feeder hopper; The end opening of described L-type pipe and feeder hopper is tightly connected.
2. the warning device of filling slurry excessive concentration as claimed in claim 1, it is characterized in that, described fixed mount is made up of montant and cross bar, described cross bar offers the chute for expansion link horizontal slip; Described cross bar is connected with expansion link by bolt.
3. the warning device of filling slurry excessive concentration as claimed in claim 1 or 2, it is characterized in that, described baffle plate is square or arc.
4. the warning device of filling slurry excessive concentration as claimed in claim 1 or 2, it is characterized in that, the internal diameter of described L-type pipe is less than 0.5 times of internal diameter of filling pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147111.5U CN204575613U (en) | 2015-03-16 | 2015-03-16 | A kind of warning device of filling slurry excessive concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147111.5U CN204575613U (en) | 2015-03-16 | 2015-03-16 | A kind of warning device of filling slurry excessive concentration |
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| Publication Number | Publication Date |
|---|---|
| CN204575613U true CN204575613U (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520147111.5U Expired - Fee Related CN204575613U (en) | 2015-03-16 | 2015-03-16 | A kind of warning device of filling slurry excessive concentration |
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| CN (1) | CN204575613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987861A (en) * | 2016-07-19 | 2016-10-05 | 宁夏共享机床辅机有限公司 | Real-time online detection device for baume degree of coating for casting |
-
2015
- 2015-03-16 CN CN201520147111.5U patent/CN204575613U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987861A (en) * | 2016-07-19 | 2016-10-05 | 宁夏共享机床辅机有限公司 | Real-time online detection device for baume degree of coating for casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20160316 |
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| CF01 | Termination of patent right due to non-payment of annual fee |