CN104019874B - Gasbag-type ball grinder interior ballstone pick-up unit and detection method - Google Patents
Gasbag-type ball grinder interior ballstone pick-up unit and detection method Download PDFInfo
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- CN104019874B CN104019874B CN201410308226.8A CN201410308226A CN104019874B CN 104019874 B CN104019874 B CN 104019874B CN 201410308226 A CN201410308226 A CN 201410308226A CN 104019874 B CN104019874 B CN 104019874B
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Abstract
Gasbag-type ball grinder interior ballstone pick-up unit and detection method, relate to bowl mill pick-up unit and technical field.Comprise the ball milling cover (2) being arranged on bowl mill (1) opening part, it is characterized in that: described ball milling cover (2) bottom is provided with the protection head (3) can filling in bowl mill (1) opening, protection head (3) inside is cavity structure, in cavity, below is installed bottom and is stretched into the inner detection head (4) of bowl mill (1), detection head (4) top fixed installation air bag (7), the gas pressure detection sensor (10) that air bag (7) top is outside with ball milling cover (2) and gas generator for air bag are connected, gas pressure detection sensor (10) connection signal treating apparatus, the detection method of gasbag-type ball grinder interior ballstone pick-up unit is by demarcating and obtaining data list, then detect and draw ball grinder interior ballstone amount, realize the detection to ballstone amount, Data support is provided for adding ballstone amount, ensure that in bowl mill, ballstone quantity is steady.
Description
Technical field
Gasbag-type ball grinder interior ballstone pick-up unit and detection method, relate to bowl mill pick-up unit and technical field.
Background technology
Bowl mill is after polished material is broken, then carries out the key equipment pulverizing grinding, is most important Super-fine grinder production equipment in commercial production enterprise.In the bowl mill course of work, ball grinder interior groundwork medium is ballstone, in bowl mill, ballstone is while grinding material, also be loss gradually and reduce, when ballstone loss acquires a certain degree, the just grinding efficiency of impact to material, produce material abrasive grains excessive, the underproof situation of product, this just has an impact to follow-up work, finally affects the grinding efficiency of bowl mill.When ballstone loss, for preventing the problems referred to above, just need to add the ballstone equal with waste toward ball grinder interior.And how to detect ballstone quantity in bowl mill thus provide Data support to adding ballstone quantity, ensure add quantity accurately ballstone just seem most important.But realizing in process of the present invention, inventor finds in prior art, each research institution simulates or the mode such as conjecture carries out reasoning estimation ballstone amount, this is mutually far short of what is expected with the actual weight of ball grinder interior ballstone, directly results in interpolation ballstone quantity very few or too much, bowl mill can not be made to be in optimum Working, to have impact on the grinding efficiency of bowl mill.At application number be: 201210060289.7, denomination of invention is: the application for a patent for invention of ball grinder interior ballstone group and block mineral aggregate DYNAMIC DISTRIBUTION detection system and method, application number is: 201210059870.7, denomination of invention is: the application for a patent for invention of ball grinder interior ballstone group and mineral aggregate DYNAMIC DISTRIBUTION detection system and method, application number is: 201210060196.4, denomination of invention is: the application for a patent for invention of ball grinder interior ballstone group and hard block mineral aggregate distributed detection system and method, and application number is: 201210060132.4, denomination of invention is: in the patent of invention of ball grinder interior steel ball group motion state distributed detection system and method, all disclose a kind of ball grinder interior ballstone group's pick-up unit and method, but this device can only detect the DYNAMIC DISTRIBUTION of ballstone group, and cannot inner ballstone quantity be detected in real time, also just cannot calculate and need to add how much quantity ballstone toward ball grinder interior.Inventor thinks, there is the reason of above problem, except ball grinder interior ballstone working condition is complicated, be difficult to outside measurement, mainly there is no a set of special ball grinder interior ballstone pick-up unit to the detection of the science of carrying out, do not set up yet and utilize this ball grinder interior ballstone pick-up unit to carry out the effective method detected.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, providing one can detect ball grinder interior ballstone amount, providing Data support for adding ballstone amount, ensures the stable pick-up unit of ballstone quantity and detection method in bowl mill.
The technical solution adopted for the present invention to solve the technical problems is: this gasbag-type ball grinder interior ballstone pick-up unit, comprise the ball milling cover being arranged on bowl mill opening part, described ball milling cover bottom is provided with the protection head can filling in bowl mill opening, protection head inside is cavity structure, the detection head that ball grinder interior is stretched in bottom is installed in cavity, air bag is fixedly mounted above detection head, be connected with the gas pressure detection sensor of ball milling cover outer and gas generator for air bag above air bag, gas pressure detection sensor connection signal treating apparatus; Protection head not only plays inner effect of installing fixed test head, and detection head can be protected not damaged by the ballstone rotated.Ballstone is loaded in bowl mill, when bowl mill rotates, detection head is subject to ballstone pressure and is moved, thus extruding gasbag, air bag shrinks, to be under pressure and pass to gas pressure detection sensor, force signal is transferred to signal processing apparatus by gas pressure detection sensor, and signal processing apparatus can record and read pressure size.
Preferably, signal processing apparatus can select wireless collection equipment or industrial computer to coordinate capture card, carries the data acquisition card also can selecting USB interface for convenience.
Described gas generator for air bag comprises inflator, and inflator is communicated with the air intake opening of air bag by pipeline, installs retaining valve and air release in pipeline.Retaining valve ensures that gas can only enter inside air bag by inflator, and prevent back flow of gas, air release can be opened, the air pressure in release air bag.
Preferably, all wear-resistant pad is installed between described detection head and air bag and between air bag and ball milling cover.Can effectively avoid detection head to the wearing and tearing of air bag.
Described detection head is the cross section be made up of upper disk and lower cylindrical is T-shaped object, and the lower cylindrical of detection head is stretched out in the circular hole bottom protection head, contact ball grinder interior.The diameter of lower cylindrical is greater than the diameter of single ballstone.
Described detection head lower end leans out in the space between the circular hole bottom portion and protection head and installs barrier film pad.Barrier film pad adopts rubber blanket that is flexible, that can stretch; inner ring is embedded in the border groove of detection head; outer ring is embedded in the groove of protection head bottom circular aperture; when detection head and protection head relative movement, barrier film pad can stretch, when detection head resets with protection head; barrier film pad can shrink; return to original form, barrier film pad can stop ceramic mud, water, dust etc. to enter in the cavity of protection head, keeps the clean of air bag peripheral space.
Described protection head adopts has flexible rubber or plastic material making.Protection head adopts elastic material to make can cushion ballstone, ore to the impact of ball milling cover.
The detection method of gasbag-type ball grinder interior ballstone pick-up unit, comprises the steps:
1.before using, bowl mill demarcated and obtain data list:
A. erecting equipment, loads ballstone: in bowl mill, insert the ballstone accounting for ball grinder interior spatial volume half, weigh insert the general assembly (TW) of ballstone; Gasbag-type ball grinder interior ballstone pick-up unit is installed on bowl mill;
B. air bag default value air pressure is obtained: in air bag, be filled with air, and constantly debug, until make gasbag-type ball grinder interior ballstone pick-up unit by enter ballstone region to leave ballstone region air bag air pressure difference change maximum, read barometric information this moment by signal processing apparatus, now barometric information is air bag definite value air pressure P
0; Obtain air bag in ballstone region, the air pressure change maximum difference in non-ballstone region time airbag aeration air pressure, be to improve accuracy of detection, air pressure difference is too small, and the data precision of acquisition is lower;
C. data list is obtained: in air bag, be filled with definite value air pressure P
0, start bowl mill, record bowl mill often rotates the one week maximum pressure Pn of detection head in ballstone inside, obtains maximum pressure difference P=Pn-P
0, after bowl mill rotates n week, average to after n maximum pressure difference P data summation, the maximum pressure mean difference Pmax of air bag during acquisition ball grinder interior half weight ballstone group, wherein, n is natural number; According to the method described above, add on ballstone group quantity basis in first time, after ball grinder interior adds or deducts quantitative ballstone, obtain the maximum pressure mean difference of the air bag of different ballstone group quantity successively respectively; Ballstone is filled or till not having ballstone until ball grinder interior; The maximum pressure mean difference of the ballstone weight of test of many times and the air bag of correspondence thereof is carried out record and list, obtains data list; Because bowl mill is in real work, the ballstone quantity of ball grinder interior is generally the half of bowl mill volume, and the fluctuation of ballstone quantity is also near this weight, in this, as ballstone weight during demarcation air bag pressure, is to obtain higher accuracy of detection;
2.use and to detect remaining ballstone in bowl mill afterwards:
On the bowl mill of specification of the same race, and when internal ball stone material matter, diameter are identical with timing signal, this gasbag-type ball grinder interior ballstone pick-up unit is arranged on the place identical with timing signal installation site, the mud of ball grinder interior, mineral aggregate are released, adopt the rotational speed bowl mill identical with timing signal, after rotating multi-turn, average to the pressure difference value summation of the air bag repeatedly obtained, corresponding data list checks in the estimated weight of the ballstone of ball grinder interior.
Preferably, the bowl mill of described specification of the same race refers to and the bowl mill interior diameter of timing signal, interior identical length bowl mill together.
Preferably, described air bag default value air pressure P
0=0.01Mpa ~ 6Mpa.In order to adapt to the bowl mill of different volumes, the detection head of different size and air bag, select suitable definite value air pressure.
Compared with prior art, the beneficial effect that the technique scheme of this gasbag-type ball grinder interior ballstone pick-up unit and detection method has is:
1, this gasbag-type ball grinder interior ballstone pick-up unit can detect ball grinder interior ballstone amount, Data support is provided for adding ballstone amount, ensure that in bowl mill, ballstone quantity is steady, and create a set of effective detection method on this basis: at ball milling cover, protection head is set, and in protection head, detection head and air bag are installed, air bag connects gas pressure detection sensor, ballstone is loaded in bowl mill, when bowl mill rotates, detection head is subject to ballstone pressure and is moved, thus extruding gasbag, air bag shrinks, to be under pressure and pass to gas pressure detection sensor, force signal is transferred to signal processing apparatus by gas pressure detection sensor, signal processing apparatus can record and read pressure size, on this basis, set up the data list between ballstone weight and air bag gas maximum pressure difference under a set of each weight, when detecting the ball grinder interior ballstone amount in actual production process, record and read the maximum gas pressure pressure difference value of signal processing apparatus, corresponding data list can draw now ballstone weight in bowl mill, thus for whether increasing ballstone, increase how many ballstones and data foundation is provided, ensure that in bowl mill, ballstone quantity is steady, for the grinding efficiency improving bowl mill provides powerful guarantee.
2, rational in infrastructure, improve serviceable life and accuracy of detection: first, between detection head and air bag and between air bag and ball milling cover, all wear-resistant pad is installed, can effectively avoids detection head to the wearing and tearing of air bag; Secondly, in space, barrier film pad is installed between circular hole bottom the lower cylindrical outer ring of detection head and protection head, barrier film pad adopts rubber blanket that is flexible, that can stretch, when detection head and protection head relative movement, barrier film pad can stretch, when detection head resets with protection head, barrier film pad can shrink, return to original form, barrier film pad can stop ceramic mud, water, dust etc. to enter in the cavity of protection head, keeps the clean of air bag peripheral space; Moreover protection head adopts rubber or plastics etc. to have elastic material and makes, and adopts elastic material to make and can cushion ballstone, ore to the impact of ball milling cover.
Accompanying drawing explanation
Fig. 1 is the structure cut-open view of the preferred embodiment of this gasbag-type ball grinder interior ballstone pick-up unit.
Connection diagram when Fig. 2 is the gasbag-type ball grinder interior ballstone pick-up unit detection of preferred embodiment.
Wherein: 1, bowl mill 2, ball milling cover 3, protection 4, detection head 5, barrier film pad 6, wear-resistant pad 7, air bag 8, retaining valve 9, inflator 10, gas pressure detection sensor 11, air release.
Embodiment
Fig. 1 ~ 2 are most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 2, the present invention will be further described.
With reference to accompanying drawing 1,2: gasbag-type ball grinder interior ballstone pick-up unit; comprise ball milling cover 2, protection 3 and detection head 4; ball milling cover 2 bottom is provided with the protection 3 can filling in bowl mill 1 opening; protection 3 is the column structure of outer ring with tapering; so that in the opening filling in bowl mill 1 that can be good; protection 3 employing have flexible rubber or plastic material makes, and can cushion ballstone, ore to the impact of ball milling cover 2.
Protection 3 inside are cavity structure; in cavity, the detection head 4 that bowl mill 1 inside is stretched in bottom is installed in below; detection head 4 is the cross section be made up of upper disk and lower cylindrical is T-shaped object, and the lower cylindrical of detection head 4 is stretched out in the circular hole bottom protection 3, and contact bowl mill 1 is inner.In space, barrier film pad 5 is installed between circular hole bottom the lower cylindrical outer ring of detection head 4 and protection 3.Fixedly mount air bag 7 above detection head 4, between detection head 4 and air bag 7 and between air bag 7 and ball milling cover 2, wear-resistant pad 6 is all installed.The gas pressure detection sensor 10 stretching out protection 3 and ball milling cover 2 and gas generator for air bag is connected above air bag 7; gas generator for air bag comprises inflator 9; inflator 9 is communicated with by the air intake opening of pipeline with air bag 7, installs retaining valve 8 and air release 11 in pipeline.Gas pressure detection sensor 10 connection signal treating apparatus.Signal processing apparatus selects wireless collection equipment, comprise wireless launcher and wireless receiver, wireless launcher connects gas pressure detection sensor 10 and with bowl mill 1 synchronous axial system, wireless receiver is arranged on bowl mill 1 side, and the distance between bowl mill 1 is within the effective range of Signal reception, wireless receiver can receive and record bowl mill 1 and often turn around, the pressure signal value that gas pressure detection sensor 10 feeds back.
The detection method of gasbag-type ball grinder interior ballstone pick-up unit, comprises the steps:
1. before using, bowl mill 1 demarcated and obtain data list:
A. erecting equipment, load ballstone: bowl mill 1 inner space length is 4.2 meters, inside diameter is 2.6 meters, diameter is adopted to be that the middle aluminium ball of 25mm is as grinding ballstone, and weigh the middle aluminium ball amount 20000kg altogether accounting for bowl mill 1 inner space volume half, middle aluminium ball is put into inner rear this gasbag-type ball grinder interior ballstone pick-up unit of installation of bowl mill 1.
B. air bag 7 default value air pressure is obtained: under starting the stabilized (steady-state) speed of bowl mill 1 to 42 revs/min, inflator 9 is utilized to be inflated for air bag 7 by pipeline and retaining valve 8, air release 11 is utilized to exit for air bag 7, and by gas pressure detection sensor 10 Real-Time Monitoring air bag 7 air pressure size, air bag 7 air pressure data transfer carries out digital independent and record to signal processing apparatus, through inflation repeatedly, venting, until make gasbag-type ball grinder interior ballstone pick-up unit by enter ballstone region to leave ballstone region air bag 7 air pressure difference change maximum, reading barometric information this moment by signal processing apparatus is 3.2Mpa, the definite value air pressure P of setting air bag 7
0for 3.2Mpa.
C. data list is obtained: the definite value air pressure being filled with 3.2Mpa in air bag 7, start bowl mill 1, obtain bowl mill 1 and often rotate one week detection head 4 in middle aluminium ball inside with not at the maximum pressure difference P of middle aluminium ball inside, average after the bowl mill 1 air bag 7 maximum pressure difference data rotated weekly is sued for peace, the maximum pressure mean difference Pmax of the air bag 7 in acquisition bowl mill 1 inside placement 20000kg during aluminium ball, now the maximum pressure mean difference of air bag 7 is 0.22Mpa; Then, according to the method described above, add in bowl mill 1 inside successively and deduct the maximum pressure mean difference obtaining air bag 7 in 1000kg after aluminium ball quantity respectively; Till when ballstone is filled in bowl mill 1 inside or do not have middle aluminium ball.
The maximum pressure mean difference of the ballstone weight of test of many times and the air bag 7 of correspondence thereof is carried out record and list, obtains data list:
。
2. after using, residue ballstone in bowl mill 1 is detected:
First time is detected, at the bowl mill interior diameter with timing signal, on the bowl mill 1 that interior identical length is same, and in internal ball stone material matter, when diameter is identical with timing signal, this gasbag-type ball grinder interior ballstone pick-up unit is arranged on the place identical with timing signal installation site, the mud of bowl mill 1 inside, mineral aggregate is released, bowl mill 1 rotating speed is 42 revs/min, after rotating multi-turn, the maximum pressure difference P summation of the air bag 7 repeatedly obtained is averaged, this maximum pressure mean difference Pmax is: 0.165Mpa, then contrasting data list, find the pressure mean difference of corresponding air bag 7, reading corresponding ballstone weight is: 15000kg, then 15000kg is the estimated weight of the ballstone of this bowl mill 1 inside, can according to this weight 15000kg, the initial ballstone weight 20000kg that contrast producer adds in bowl mill 1 inside, two weight difference are 5000kg, then 5000kg is ballstone bodies lost weight, need the ballstone supplementing 5000kg toward bowl mill 1 inside.
Second time detects, the bowl mill 1 of another specification of the same race utilizes identical method, the maximum pressure mean difference Pmax recording air bag 7 is: 0.132Mpa, then contrast list, under reading out this maximum pressure mean difference, ballstone weight is: 12000kg, then 12000kg is the estimated weight of the ballstone of this bowl mill 1 inside, can according to this weight, the computing method adopted according to first time detection, calculate and need the supplementary ballstone weight in past bowl mill 1 inside to be 8000kg.
Third time is detected, the bowl mill 1 of another specification of the same race utilizes identical method, the maximum pressure mean difference Pmax recording air bag 7 is: 0.199Mpa, then contrasting data list, be the maximum pressure mean difference of 0.199MpaP owing to there is no numerical value in data list, but can according to nearby principle, reading maximum pressure mean difference Pmax is 0.198Mpa, then under reading out 0.198Mpa, the data of ballstone weight are: 18000kg, then 18000kg is the estimated weight of the ballstone of this bowl mill 1 inside, can according to this weight, the computing method adopted are detected according to first time, calculate and need the supplementary ballstone weight in past bowl mill 1 inside to be 2000kg.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (6)
1. gasbag-type ball grinder interior ballstone pick-up unit, comprise the ball milling cover (2) being arranged on bowl mill (1) opening part, it is characterized in that: described ball milling cover (2) bottom is provided with the protection head (3) can filling in bowl mill (1) opening, protection head (3) inside is cavity structure, bottom is installed in cavity and stretches into the inner detection head (4) of bowl mill (1), detection head (4) top fixed installation air bag (7), the gas pressure detection sensor (10) that air bag (7) top is outside with ball milling cover (2) and gas generator for air bag are connected, gas pressure detection sensor (10) connection signal treating apparatus,
Described gas generator for air bag comprises inflator (9), and inflator (9) is communicated with by the air intake opening of pipeline with air bag (7), installs retaining valve (8) and air release (11) in pipeline.
2. gasbag-type ball grinder interior ballstone pick-up unit according to claim 1, is characterized in that: be all provided with wear-resistant pad (6) between described detection head (4) and air bag (7) and between air bag (7) and ball milling cover (2).
3. gasbag-type ball grinder interior ballstone pick-up unit according to claim 1 and 2, is characterized in that: described detection head (4) lower end leans out in the space between the circular hole bottom portion and protection head (3) and installs barrier film pad (5).
4. gasbag-type ball grinder interior ballstone pick-up unit according to claim 1, is characterized in that: described protection head (3) adopts has flexible rubber or plastic material making.
5. utilize the detection method of the gasbag-type ball grinder interior ballstone pick-up unit described in any one of claim 1-4, it is characterized in that: comprise the steps:
Before using, bowl mill (1) is demarcated and is obtained data list:
A. erecting equipment, loads ballstone: in bowl mill (1), insert the ballstone accounting for bowl mill (1) inner space volume half, weigh insert the general assembly (TW) of ballstone; Gasbag-type ball grinder interior ballstone pick-up unit is installed on bowl mill (1);
B. air bag (7) default value air pressure is obtained: in air bag (7), be filled with air, start bowl mill (1) under stabilized (steady-state) speed, inflator (9) is utilized to be air bag (7) inflation by pipeline and retaining valve (8), utilize air release (11) for air bag (7) venting, and by gas pressure detection sensor (10) Real-Time Monitoring air bag (7) air pressure size, air bag (7) air pressure data transfer carries out digital independent and record to signal processing apparatus, through inflation repeatedly, venting, until make gasbag-type ball grinder interior ballstone pick-up unit by enter ballstone region to leave ballstone region air bag (7) air pressure difference change maximum, barometric information is this moment read by signal processing apparatus, now barometric information is air bag (7) definite value air pressure P
0,
C. data list is obtained: in air bag (7), be filled with definite value air pressure P
0, start bowl mill (1), record bowl mill (1) often rotates one week detection head (4) maximum pressure Pn in ballstone inside, obtains maximum pressure difference P=Pn-P
0, bowl mill (1) rotated after n week, averaged to after n maximum pressure difference P data summation, the maximum pressure mean difference Pmax of the air bag (7) during the inner half weight ballstone group of acquisition bowl mill (1), and wherein, n is natural number; According to the method described above, add on ballstone group quantity basis in first time, after bowl mill (1) inside adds or deducts quantitative ballstone, obtain the maximum pressure mean difference of the air bag (7) of different ballstone group quantity successively respectively; Ballstone is filled or till not having ballstone until bowl mill (1) inside; The maximum pressure mean difference of the air bag (7) of the ballstone weight of test of many times and correspondence thereof is carried out record and list, obtains data list;
Use and rear residue ballstone in bowl mill (1) to be detected:
On the bowl mill (1) of specification of the same race, and when internal ball stone material matter, diameter are identical with timing signal, this gasbag-type ball grinder interior ballstone pick-up unit is arranged on the place identical with timing signal installation site, mud inner for bowl mill (1), mineral aggregate are released, adopt the rotational speed bowl mill (1) identical with timing signal, after rotating multi-turn, average to the pressure difference value summation of the air bag repeatedly obtained (7), corresponding data list checks in the estimated weight of the inner ballstone of bowl mill (1).
6. the detection method of gasbag-type ball grinder interior ballstone pick-up unit according to claim 5, is characterized in that: described air bag (7) default value air pressure P
0=0.01Mpa ~ 6Mpa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410308226.8A CN104019874B (en) | 2014-07-01 | 2014-07-01 | Gasbag-type ball grinder interior ballstone pick-up unit and detection method |
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| CN201410308226.8A CN104019874B (en) | 2014-07-01 | 2014-07-01 | Gasbag-type ball grinder interior ballstone pick-up unit and detection method |
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| CN104019874B true CN104019874B (en) | 2016-04-13 |
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| CN108519312B (en) * | 2018-03-30 | 2020-06-02 | 重庆山楂树科技有限公司 | Device for detecting gas particles |
| CN114273414B (en) * | 2021-12-28 | 2022-07-12 | 中科华鲁土壤修复工程有限公司 | Movable soil leaching and repairing equipment |
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