CN108554801A - A kind of de-mediated sieve plate falls off monitoring device - Google Patents
A kind of de-mediated sieve plate falls off monitoring device Download PDFInfo
- Publication number
- CN108554801A CN108554801A CN201810355014.3A CN201810355014A CN108554801A CN 108554801 A CN108554801 A CN 108554801A CN 201810355014 A CN201810355014 A CN 201810355014A CN 108554801 A CN108554801 A CN 108554801A
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- detection
- foreign bodies
- sieve
- detection case
- monitoring device
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- 230000001404 mediated effect Effects 0.000 title claims abstract description 28
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 139
- 239000000463 material Substances 0.000 claims abstract description 38
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 230000005622 photoelectricity Effects 0.000 claims 1
- 206010068052 Mosaicism Diseases 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 210000003765 sex chromosome Anatomy 0.000 abstract description 3
- 230000005693 optoelectronics Effects 0.000 description 12
- 238000009434 installation Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
It falls off monitoring device the invention discloses a kind of de-mediated sieve plate, including foreign bodies detection case, sieve lower pipeline, detection module and control unit；Foreign bodies detection case is connect with sieve lower pipeline, and the bottom of foreign bodies detection case is provided with double-edged fine-toothed comb, the top setting detection cover plate of foreign bodies detection case；The detection module is arranged on foreign bodies detection case, the position for detect detection cover plate, when the build up of material of foreign bodies detection case makes to certain height that detection cover plate to be promoted to move, control unit output alarm signal.The lag sex chromosome mosaicism for solving artificial experience breakdown judge, the advantages that having highlighted timeliness, the practicability of the device.
Description
Technical field
The present invention relates to coal preparation plant's mechanical fault detection technical fields, and in particular to one in coal preparation plant's heavy media coal separation machinery
Kind of de-mediated sieve plate falls off monitoring device.
Background technology
De-mediated sieve plate release failure is one of the failure that sculping screen frequently occurs in daily production run, sculping screen two
If layer sieve plate cannot find the failure in time after falling off, the bulk materials on sieve enter medium system by sieve lower pipeline to be caused
Sculping screen sieve lower pipeline blocks and then causes entire medium circulation system paralysis and can not normally produce.
The de-mediated sieve plate that coal preparation plant uses at this stage is all wearability, the preferable polyurethane sieve plate of hydrophobic performance, and is gathered
It is fixed by advising the installation progress of seat buckle-type with screen(ing) machine that urethane sieve plate installs fixed form on screen(ing) machine.Sculping screen is daily
It will appear the wear phenomenon of polyurethane sieve plate and screen(ing) machine rule seat when production run and then cause sieve plate buckle and loosen, if screen(ing) machine continues
Sieve plate release failure can occur when operation, if there is material on screen(ing) machine, there will be a large amount of oversizes to enter the lower chute of sieve and pipe
Lu Zhong causes medium system to be mixed into the production accidents such as the lower chute of lump material, sieve and sieve lower pipeline blocking.
Existing screen(ing) machine sieve plate release failure can only pass through on-site personnel experience without any on-line checking protective device
The mode of judgement checks tour, and there are serious hysteresis qualitys, the problems such as may result in failure propagation in this way.
Problem in view of the prior art, it is necessary to design a kind of two layers of sieve plate of sculping screen and fall off material exceptional state alarm dress
It sets, the state of sieve plate is monitored in real time.
Invention content
For problems of the prior art, undersize material is abnormal after falling off the present invention provides a kind of de-mediated sieve plate
State monitoring apparatus solves what undersize material abnormality on-line checking after current de-mediated sieve plate release failure occurs detected
The problems such as blank and man-made fault judge hysteresis quality.
The present invention is to be achieved through the following technical solutions：
A kind of de-mediated sieve plate falls off monitoring device, including foreign bodies detection case, sieve lower pipeline, detection module and control are single
Member；
Wherein, the foreign bodies detection case is connect with sieve lower pipeline, and the material sieved in lower pipeline can branch to foreign bodies detection
In case, the bottom of foreign bodies detection case is provided with double-edged fine-toothed comb, for the small material for sieving lower pipeline shunting to be flowed out from double-edged fine-toothed comb hole, foreign matter
The top setting detection cover plate of detection case；
The detection module is arranged on foreign bodies detection case, the position for detecting detection cover plate, detection module and control
Unit connection processed, when detection module changes with detection detection cover plate distance, control unit output alarm signal.
Preferably, one end of the detection cover plate is rotatablely connected with foreign bodies detection case, and detection module setting is examined in foreign matter
The upper end of measuring tank side wall.
Preferably, foreign bodies detection case side wall is stretched out in the free end of the detection cover plate, and detection module setting is examined in foreign matter
The outside of measuring tank side wall, the position of the free end for detecting detection cover plate.
Preferably, the bottom of the detection cover plate is additionally provided with detection and visits plate, and the detection is visited plate and is obliquely installed, and tilts
Direction is identical as the falling direction of material.
Preferably, it is L-type structure that plate is visited in the detection.
Preferably, the connecting pin shortest distance of lower end to the detection cover plate of the detection spy plate is less than foreign bodies detection case
Width.
Preferably, the foreign bodies detection case is connected to by isocon with sieve lower pipeline, the isocon and sieve lower pipeline
Angle is acute angle.
Preferably, the junction of the isocon and sieve lower pipeline is provided with deflector, for that will sieve the object in lower pipeline
Material branches in foreign bodies detection case.
Preferably, the foreign bodies detection case is detachably connected with double-edged fine-toothed comb.
Preferably, the detection unit is optoelectronic switch.
Compared with prior art, the present invention has technique effect beneficial below：
The de-mediated sieve plate falls off monitoring device, and after being occurred using de-mediated screen(ing) machine sieve plate release failure, undersize material can contain
There is a large amount of on-the-sieve material, by material diversion to foreign bodies detection case, when the build up of material of foreign bodies detection case is to a certain amount, and
Detection cover plate is set to generate movement, detection unit is detected generates variation at a distance from detection cover plate, then control unit exports
Alarm signal, alarm equipment alarm.The device has filled up the blank of de-mediated sieve plate release failure on-line checking protective device, solves
The lag sex chromosome mosaicism of artificial experience breakdown judge, the advantages that having highlighted timeliness, the practicability of the device.
It detects cover plate to be rotatablely connected with foreign bodies detection case, detection module is arranged in the outside of foreign bodies detection case, and installation is just
Victory, while shock of the material to detection module is avoided, prolong the service life.
Plate is visited in the bottom setting detection for detecting cover plate, is shortened the material accumulative time, is improved the timeliness of detection.
The width that plate is less than foreign bodies detection case to the distance of connecting shaft is visited in detection, ensures the normal opening and closing of detection cover plate.
Further material is shunted in the oral area of isocon setting deflector, ensures that material enters detection cover plate
In.
Description of the drawings
Fig. 1 is the structural schematic diagram of monitoring device of the present invention.
In figure：1, double-edged fine-toothed comb；2, deflector；3, plate is visited in detection；4, foreign bodies detection case；5, optoelectronic switch；6, cover plate is detected；
7, lower pipeline is sieved；8, isocon.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
The monitoring device as shown in Figure 1, a kind of de-mediated sieve plate falls off, including foreign bodies detection case 4, isocon 8, sieve lower pipeline
7, plate 3, optoelectronic switch 5, control unit and alarm are visited in detection.
Wherein, sieve lower pipeline 7 is connect with chute line entry under sculping screen, and foreign bodies detection case 4 passes through under isocon 8 and sieve
Pipeline 7 is connected to, and isocon 8 is obliquely installed, and isocon 8 and the angle of sieve lower pipeline 7 are 30 ° -60 °.In isocon 8 and sieve down tube
Deflector 2 is additionally provided on the junction on road 7, the width of the deflector 2 is a quarter of sieve lower pipeline diameter, while different
Deflector is welded in intersection on quality testing measuring tank 4 and isocon 8；Deflector 2 is also wanted outside for the normal guide of foreign bodies detection case can
Meet sieve 7 normal discharging of lower pipeline.
Foreign bodies detection case 4 is rectangular configuration, and the top of foreign bodies detection case 4 is provided with detection cover plate 6, detects cover plate 6
One end connect by shaft with the upper end of foreign bodies detection case 4, detection cover plate 6 being capable of Unscrew foreign bodies detection case around the shaft
4, the other end of detection cover plate 6 stretches out 4 side wall of foreign bodies detection case, and the lateral wall in foreign bodies detection case 4 is arranged in optoelectronic switch 5
Upper end, and positioned at the bottom of the part of the detection stretching foreign bodies detection case of cover plate 6, optoelectronic switch 5 is for detecting detection cover plate 6
Height and position, optoelectronic switch 5 are connect with control unit, and control unit is connect with alarm.
Detection is visited plate 3 and is arranged in the bottom of detection cover plate 6, and it is " 7 " font structure that plate 3 is visited in the detection, tilts installation
In the bottom of detection cover plate 6, the falling direction of inclined direction and material that 3 lower end of plate is visited in detection is consistent.Plate 3 is visited in detection
Welding is mounted on detection cover plate 6 according to field condition, and the size that plate is visited in detection should ensure that detecting cover plate 6 is normally opened and closed
Ensure the reliability of the sensitive detection detected when having foreign matter accumulation in foreign bodies detection case 4 again.The bottom of foreign bodies detection case 4 is can
The double-edged fine-toothed comb 1 of dismounting, small material can be leaked out with double-edged fine-toothed comb hole, and big material is then blocked on double-edged fine-toothed comb 1.
Monitoring unit is the adjustable electric switch that diffuses of BR85-DL-VR3X/E diffusing reflections, and control unit is PLC module；
Optoelectronic switch is used to detect undersize material abnormality situation in detection case, and the fault-signal of detection is back in PLC module,
Execute sculping screen undersize material exceptional state alarm prompt facility.
It is vertical when detection direction being required to be completely closed with detection cover plate 6 when optoelectronic switch 7 is installed；It combs when in detection case 4
Can plate 3 be visited in detection when stacking material on son 1 to jack up, while foreign bodies detection cover plate 6 rotates clockwise, when optoelectronic switch 4 is visited
When not detecting detection cover plate 6, the action of optoelectronic switch 7 is communicated by RSLINK to host computer to one return signal of PLC module
RSVIEW32 program screen(ing) machine sieve plates fall off undersize material abnormal state warning function.
The foreign bodies detection case 4 is the long a height of 500mm of 620mm wide 315mm that the steel plate that thickness is 6mm is welded
Hollow rectangular box body is mounted on diversion pipe 8 by welding, and removable comb is installed in 4 bottom of foreign bodies detection case
The double-edged fine-toothed comb hole of son 1 is length of side 25mm, is ensured in 4 detection cover plate 6 of the top installation with shaft of foreign bodies detection case, installation different
6 flexible rotation of analyte detection cover plate is reliable, and double-edged fine-toothed comb is easy to disassemble.
A kind of the fall off operation principle of monitoring device of de-mediated sieve plate provided by the invention is described in detail below.
When sculping screen normal operation, undersize material can normal through sieve lower pipeline 7 and 4 normal discharging of foreign bodies detection case,
Optoelectronic switch 5 normally detects foreign bodies detection cover plate 6, and de-mediated sieve plate is in normal condition at this time.It is sieved after sieve plate falls off
Upper material can enter in sieve lower pipeline, can be incited somebody to action when stacking material runs up to certain height on double-edged fine-toothed comb 1 in foreign bodies detection case 4 at this time
Detection is visited plate 3 and is jacked up, while foreign bodies detection cover plate 6 rotates clockwise, when the detection of optoelectronic switch 4 is less than detection cover plate 6
Sensor actuation gives PLC mono- return signal, which is communicated by RSLINK and give host computer RSVIEW32 program screen(ing) machine sieve plates
Fall off undersize material abnormal state warning function, alarm output alarm.
Existing screen(ing) machine sieve plate release failure can only pass through on-site personnel experience without any on-line checking protective device
The mode of judgement checks tour, and there are serious hysteresis qualitys, the problems such as may result in failure propagation in this way.The experiment of the present invention
Device, undersize material can contain a large amount of on-the-sieve material after being occurred using de-mediated screen(ing) machine sieve plate release failure；By detecting under sieve
Material abnormality, using diffusing, power technology testing principle designed, designed has installed undersize material after de-mediated sieve plate falls off additional
Abnormal state detecting apparatus has effectively been filled up the blank of de-mediated sieve plate release failure on-line checking protective device, has been improved
The lag sex chromosome mosaicism of artificial experience breakdown judge, the advantages that having highlighted timeliness, the practicability of the device.
The above content is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every to press
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within claims of the present invention
Protection domain within.
Claims (10)
- The monitoring device 1. a kind of de-mediated sieve plate falls off, which is characterized in that including foreign bodies detection case (4), sieve lower pipeline (7), inspection Survey module and control unit；Wherein, the foreign bodies detection case (4) connect with sieve lower pipeline (7), and the material in sieve lower pipeline (7) can branch to foreign matter In detection case (4), the bottom of foreign bodies detection case (4) is provided with double-edged fine-toothed comb (1), for that will sieve small material that lower pipeline shunts from double-edged fine-toothed comb It is flowed out in hole, the top setting detection cover plate (6) of foreign bodies detection case (4)；The detection module is arranged on foreign bodies detection case (4), the position for detect detection cover plate (6), detection module and Control unit connects, and when detection module changes with detection detection cover plate (6) distance, control unit exports alarm signal Number.
- 2. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the detection cover plate (6) One end is rotatablely connected with foreign bodies detection case (4), and detection module is arranged in the upper end of foreign bodies detection case (4) side wall.
- 3. de-mediated sieve plate falls off monitoring device according to claim 2, which is characterized in that the detection cover plate (6) Foreign bodies detection case (4) side wall is stretched out in free end, and detection module setting is in the outside of foreign bodies detection case (4) side wall, for detecting inspection The position of the free end of measuring tank cover board (6).
- 4. de-mediated sieve plate falls off monitoring device according to claim 2, which is characterized in that the detection cover plate (6) Bottom is additionally provided with detection and visits plate (3), and the detection is visited plate (3) and is obliquely installed, and inclined direction is identical as the falling direction of material.
- 5. de-mediated sieve plate falls off monitoring device according to claim 4, which is characterized in that it is L-type that plate (3) is visited in the detection Structure.
- 6. de-mediated sieve plate falls off monitoring device according to claim 4, which is characterized in that the detection is visited under plate (3) Detection cover plate (6) connecting pin shortest distance is held to be less than the width of foreign bodies detection case (4).
- 7. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the sieve lower pipeline (7) passes through Isocon (8) is connected to the side wall of foreign bodies detection case (4), and the isocon (8) and the angle of sieve lower pipeline (7) are acute angle.
- 8. de-mediated sieve plate falls off monitoring device according to claim 7, which is characterized in that the isocon (8) under sieve The junction of pipeline (7) is provided with deflector (2), for that will sieve the material diversion in lower pipeline (7) to foreign bodies detection case (4) In.
- 9. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the foreign bodies detection case (4) with Double-edged fine-toothed comb (1) is detachably connected.
- 10. de-mediated sieve plate falls off monitoring device according to claim 1, which is characterized in that the detection unit is photoelectricity Switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355014.3A CN108554801B (en) | 2018-04-19 | 2018-04-19 | Sieve plate falling monitoring device for medium removing sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355014.3A CN108554801B (en) | 2018-04-19 | 2018-04-19 | Sieve plate falling monitoring device for medium removing sieve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108554801A true CN108554801A (en) | 2018-09-21 |
| CN108554801B CN108554801B (en) | 2021-04-13 |
Family
ID=63535584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355014.3A Expired - Fee Related CN108554801B (en) | 2018-04-19 | 2018-04-19 | Sieve plate falling monitoring device for medium removing sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554801B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207033A (en) * | 2020-06-30 | 2021-01-12 | 甄方方 | Floating ball type sieve plate falling detection device |
| CN114733756A (en) * | 2022-06-10 | 2022-07-12 | 云翔赛博(山东)数字技术有限公司 | Embedded sieve plate state monitoring device and monitoring method thereof |
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| CN201647621U (en) * | 2010-05-10 | 2010-11-24 | 台州发电厂 | Chute blockage detection system and corresponding coal conveying system |
| CN203479361U (en) * | 2013-08-16 | 2014-03-12 | 浙江万盛新型材料有限公司 | Material bin fill level alarm device |
| CN103817072A (en) * | 2014-02-19 | 2014-05-28 | 江苏牧羊控股有限公司 | Automatic detecting device of pulverizer sieving piece |
| CN104148282A (en) * | 2014-08-13 | 2014-11-19 | 三一汽车制造有限公司 | Vibrating screen and screen cloth damage detection device thereof |
| CN105444834A (en) * | 2015-11-08 | 2016-03-30 | 北京首钢国际工程技术有限公司 | Material level detection device for material storage tank |
| CN206798304U (en) * | 2017-06-06 | 2017-12-26 | 牛柏森 | Coal bunker puts coal limit alarm device |
| CN107755275A (en) * | 2017-11-28 | 2018-03-06 | 桂林师范高等专科学校 | A kind of food screening plant of automatic rejection metallic foreign body |
| CN209109594U (en) * | 2018-04-19 | 2019-07-16 | 榆林学院 | A kind of de-mediated sieve plate falls off monitoring device |
-
2018
- 2018-04-19 CN CN201810355014.3A patent/CN108554801B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201647621U (en) * | 2010-05-10 | 2010-11-24 | 台州发电厂 | Chute blockage detection system and corresponding coal conveying system |
| CN203479361U (en) * | 2013-08-16 | 2014-03-12 | 浙江万盛新型材料有限公司 | Material bin fill level alarm device |
| CN103817072A (en) * | 2014-02-19 | 2014-05-28 | 江苏牧羊控股有限公司 | Automatic detecting device of pulverizer sieving piece |
| CN104148282A (en) * | 2014-08-13 | 2014-11-19 | 三一汽车制造有限公司 | Vibrating screen and screen cloth damage detection device thereof |
| CN105444834A (en) * | 2015-11-08 | 2016-03-30 | 北京首钢国际工程技术有限公司 | Material level detection device for material storage tank |
| CN206798304U (en) * | 2017-06-06 | 2017-12-26 | 牛柏森 | Coal bunker puts coal limit alarm device |
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| CN209109594U (en) * | 2018-04-19 | 2019-07-16 | 榆林学院 | A kind of de-mediated sieve plate falls off monitoring device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207033A (en) * | 2020-06-30 | 2021-01-12 | 甄方方 | Floating ball type sieve plate falling detection device |
| CN114733756A (en) * | 2022-06-10 | 2022-07-12 | 云翔赛博(山东)数字技术有限公司 | Embedded sieve plate state monitoring device and monitoring method thereof |
| CN114733756B (en) * | 2022-06-10 | 2022-09-30 | 云翔赛博(山东)数字技术有限公司 | Embedded sieve plate state monitoring device and monitoring method thereof |
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| CN108554801B (en) | 2021-04-13 |
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Granted publication date: 20210413 |