CN105583038B - Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method - Google Patents
Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method Download PDFInfo
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- CN105583038B CN105583038B CN201510983793.8A CN201510983793A CN105583038B CN 105583038 B CN105583038 B CN 105583038B CN 201510983793 A CN201510983793 A CN 201510983793A CN 105583038 B CN105583038 B CN 105583038B
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- swollen
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/1805—Monitoring devices for tumbling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method, are related to tube mill detection means and technical field.It is characterized in that：Described detection mouth（12）Top passes through tube mill top cover（2）Sealing, detection mouth（12）Interior installation detecting device, the detection means include hollow cylinder（5）, hollow cylinder（5）Detector inside inner bottom installation contact tube mill（4）, detector（4）The current vortex inductive component sensed with it, detector is fixedly mounted in top（4）Gap, current vortex inductive component connection detection circuit are left between current vortex inductive component（10）, detect circuit（10）Signal processing module outside connection, signal processing module connection control system.The swollen tripe state of tube mill can be detected using the device and pre-swollen tripe regulation and control method, and tube mill can be worked and be adjusted in real time, tube mill is operated in the pre-swollen tripe shape of swollen tripe early stage.
Description
Technical field
Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method, are related to tube mill detection means
And technical field.
Background technology
Tube mill is fine grinding equipment critically important in the modern industry, is widely used in building materials, metallurgy, ore dressing, electric power and chemical industry
Industry grinding production field.Large-scale tube mill typically has multiple bins, and its production capacity is very high, when with partition panel by grinding mill barrel
When being divided into the bin of two, three or four different lengths, referred to as multi-compartment tube grinding machine.The multi-compartment tube grinding machine ground different with short bobbin grinding machine
Side is only that its length diameter group is big 2-7 times, and the time that material undergoes in tube mill is longer, and product fineness is uniform, crushes
It is bigger.In multi-compartment tube grinding machine, grinding mill barrel is separated into some bins by partition panel, thin according to material in each storehouse
Mill situation coordinates abrasive body, the fine grinding of material is carried out stage by stage by storehouse, thus obtains higher grinding efficiency.
In tube mill production process, most important failure is exactly swollen tripe phenomenon, tube mill is swollen tripe, is referred to because certain is former
Cause（Such as sand return amount is big, raw ore quantitative change is big）Make the material quantitative change for feeding tube mill big, exceeded tube mill allows most in itself
Big handling capacity and do not arrange not come out, the amount for discharging tube mill is less than the inventory into tube mill, mineral aggregate in tube mill by
Gradually accumulate, tube mill is lost ore grinding effect, this phenomenon is referred to as the swollen tripe of tube mill.The harm of tube mill is swollen tripe is very big,
Swollen tripe not only loses tube mill（Or reduce）Milling action to ore, the steady operation of ore grinding is destroyed, and handled swollen
Tripe will also cause the fluctuation of feed ore concentration and fineness to subsequent job, have impact on being normally carried out for subsequent job；It is in addition, serious swollen
Tripe can cause tube mill, ore feeder, sand return case, bearing, gear etc. to be hit load and damage.After tube mill is swollen tripe, typically adopt
Take and stop mineral aggregate supply, increase and handled to the mode of mineral water, when swollen tripe phenomenon than it is more serious when, also to use water under high pressure,
It is artificial to unload the more complicated modes such as mill.Swollen tripe phenomenon has had a strong impact on the production efficiency of tube mill.And if design is a kind of swollen
Tripe detection means, detection of the tube mill before swollen tripe is realized, and factually show the real-time adjustment of tube mill work according to testing number, made
Pre-swollen tripe state of the tube mill real-time working in swollen tripe early stage, the then it is possible to prevente effectively from generation of the swollen tripe failure of tube mill, ensures
Tube mill normal operation, the maximization of tube mill operating efficiency is realized, realize industry energy conservation consumption reduction purpose.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided one kind can detect the swollen tripe of tube mill
State, and tube mill can be worked and be adjusted in real time, tube mill is operated in the multi-compartment tube of the pre-swollen tripe state of swollen tripe early stage
Tripe detection means that grinding machine is swollen and pre-swollen tripe regulation and control method.
The technical solution adopted for the present invention to solve the technical problems is：The electric vortex type multi-compartment tube grinding machine is swollen, and tripe detection fills
Put, including the detection mouth being opened on tube mill casing, detection mouth are outstanding cylindrical hole, each bin of tube mill is equal
A detection mouth is correspondingly provided with, tube mill is supported installation and driven by variable-frequency motor and rotated by support, and tube mill is matched somebody with somebody simultaneously
Blower fan and mineral aggregate belt conveyor are had, blower fan and mineral aggregate belt conveyor are controlled by control system, it is characterised in that：Institute
By tube mill top seal, installation detecting device in detection mouth, the detection means includes hollow cylinder on the detection mouth top stated
Body, hollow cylinder inner bottom are provided with detector, the current vortex inductive component sensed with it, inspection are fixedly mounted above detector
Gap, current vortex inductive component connection detection circuit, detection circuit connection outside are left between gauge head and current vortex inductive component
Signal processing module, signal processing module connection control system；
Described detector upper end is fixed with sheet metal, and detector lower end passes through hollow cylinder bottom；Described current vortex
Inductive component includes pedestal and eddy-current coils, and pedestal is arranged on hollow cylinder inner upper end, and the installation of pedestal bottom can be with metal
The eddy-current coils of piece sensing.When sheet metal moves up, sensing can be produced with eddy-current coils, induced signal is by detecting electricity
Road passes to signal processing module, and is converted into data signal output.
Preferably, described detector bottom is cylinder, and cylinder lower end can contact pipe mill through hollow cylinder bottom
Inside machine, detector top is cone, and lower foil is connected with the top of cone, and it is thin to be interval with top on the upside of lower foil
Piece, upper foil and lower foil by centre circular connecting pole be connected, the perforate of lower foil surrounding and by bolt with
Hollow cylinder is connected, and sheet metal is fixed on the upside of upper foil.Cylinder top design is cone, when cylinder lower end is by ball
After stone pressure, using the circular cone physical efficiency on top by central point of the pressure transmission to lower foil, lower foil and upper foil it
Between be connected by circular connecting pole, be advantageous to when pressure is born at lower foil center and produces the deformation of central protuberance, top
Thin slice can produce displacement with deformation, and sheet metal can move with the movement of upper foil.
Preferably, described hollow cylinder top circumference is arranged in detection mouth by fixed step, hollow cylinder top
The center of circle is blocked by plug, and hollow cylinder bottom inner ring is connected with detector.
Preferably, described detector is provided with elastic washer with hollow cylinder junction, and elastic washer outside is by coaxial
Outer press ring and inner pressure ring be fixed, outer press ring and elastic washer are connected by multiple trip bolts with lower end hollow cylinder,
Inner pressure ring and elastic washer are connected by another group of trip bolt with detector.Elastic washer can not only reduce detector and be rushed
Power impact strength is hit, prevents from damaging detector, and may insure that the impurity such as the mud inside tube mill cannot be introduced into detector
Inside, improve accuracy of detection.
Preferably, described detection circuit wirelessly connects signal processing module, signal processing module connection one
The signal for detecting electric circuit inspection is wirelessly transmitted to control system by wireless launcher, wireless launcher.Nothing
Line mode is easy for installation, without the connection of complexity, simplifies package unit installation procedure, and is rotated without prejudice to tube mill, is to protect
Demonstrate,prove the tube mill smoothly key device of operating and transmission signal.
Pre-swollen tripe regulation and control method is carried out using the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine using above-mentioned one kind, its
It is characterised by, comprises the following steps：
The first step, equipment installation：Tube mill is installed to operating position, the installation detecting device in the detection mouth of tube mill；
Second step, simulation tube mill work and demarcate the swollen tripe state of tube mill, draw detector under the swollen tripe state of tube mill
The time T0 being in material：A small amount of ballstone is added to tube mill inside, starts variable-frequency motor and drives tube mill with normal work
Speed rotates, and starts mineral aggregate belt conveyor with normal work speed to tube mill delivered inside material, makes tube mill normal work,
Meanwhile operator's personal monitoring's tube mill internal state, mineral aggregate belt conveyor speed is improved if normal operation, mineral aggregate is improved and adds
Acceleration, continue to monitor, until tube mill any of which bin enters swollen tripe state, the detector recorded in each bin is in
Time T0 in material, then T0 is that detector is in material when swollen tripe state occurs when the tube mill is grinding the material
In time；
3rd step, normal work, and rotate a circle the signal of output to tube mill and the time is gathered in real time, record is each
Detector in individual bin is in the time T in material respectively；
4th step, according to time T numerical value regulate and control tube mill pre-swollen tripe state operate：Control system receives signal transacting mould
The data signal of block feedback, and judge digital time length T, according to time T numerical values recited, send command adapted thereto control
Mineral aggregate belt conveyor and blower fan work, tube mill is set to keep the operating of pre-swollen tripe state.
Any bin enters the method for swollen tripe state including mainly including following several inside operator personal monitoring tube mill
Individual aspect：
1）, tube mill Main motor current table indicator current constantly declining；
2）, tube mill operating sound it is dull, noise diminishes, and does not almost hear the impact of steel ball with rushing down the sound fallen；
3）, tube mill there is ore pulp outwards to overflow to ore deposit end；
4）, outlet mineral aggregate start thicker, sand return amount is being gradually increased, and effluent concentration increase, granularity are thicker；
5）, flotation froth have a significant change, floating agent effect imbalance, mineralising phenomenon weakens etc..
Preferably, it is described to be in the method that pre-swollen tripe state operates according to time T numerical value regulation and control tube mill：
1）When the time T numerical value of all bins in tube mill is less than the T0*80% of the bin, tube mill is less than pre-swollen tripe
State is run, and control system sends instruction, is gradually increased the speed of service of blower fan and mineral aggregate belt conveyor, progressively increases the first storehouse
The mineral aggregate input of room；
2）When the time T numerical value of any bin in tube mill is equal to the T0*80% of the bin, tube mill keeps pre-swollen tripe
State is run, and control system sends instruction, rotation speed of fan is kept stable, and the speed of mineral aggregate travelling belt keeps stable；
3）When the time T numerical value of any bin in tube mill is more than the T0*80% of the bin, tube mill breaks through pre-swollen tripe
State control system sends instruction, reduces the speed of mineral aggregate travelling belt, gradually reduces the mineral aggregate input quantity of bin, and keep wind
Machine rotating speed is constant；
4）When the time T numerical value of any bin is more than the T0*90% of the bin in tube mill, tube mill will enter swollen tripe
State, control system control blower fan is rotated with maximal rate, while stops the operation of mineral aggregate travelling belt, stops the first bin
Mineral aggregate inputs, until time T numerical value is equal to 80%*T0, tube mill is run in pre-swollen tripe state.
Preferably, it is characterised in that：Described detector bottom is cylinder, and cylinder lower end passes through hollow cylinder bottom
Inside accessible tube mill, detector top is cone, and lower foil is connected with the top of cone, is spaced on the upside of lower foil
Provided with upper foil, upper foil is connected with lower foil by the circular connecting pole of centre, and the perforate of lower foil surrounding is simultaneously
It is connected by bolt with hollow cylinder, sheet metal is fixed on the upside of upper foil；
The time T specific method that record detector is in material is：When no material is applied pressure under detector
During end, the lower foil center of detector is not felt by pressure, and the upper foil of detector does not produce displacement, and sheet metal does not also produce
Raw displacement, distance does not change between eddy-current coils and sheet metal, and detection circuit no signal produces；Apply pressure when there is material
When power is on the cylinder of detector lower end, pressure is delivered to lower foil by detector lower end cylinder by top conical body
Center, pressure is born in center and bulging deformation, deflection make upper foil produce displacement by circular connecting pole, on
Portion's thin slice drives sheet metal to produce displacement, and sheet metal reduces with eddy-current coils distance, the sheet metal that eddy-current coils sense
Displacement and produce electric signal, detection circuit by electric signal pass to signal processing module and change into data signal output, together
It is T that Shi Jilu, which has the time caused by data signal, then T is the time that detector is in material.Detector, which is stressed, to be produced
Raw displacement, current vortex inductive component produce electric signal, and electric signal is sent to signal processing module by detecting circuit and is converted into
Data signal, data signal are delivered to control system, and control system is sent out variable-frequency motor and blower fan according to the different of data signal
Go out different instructions.
Compared with prior art, the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine and pre-swollen tripe regulate and control the above-mentioned of method
Beneficial effect is possessed by technical scheme：
1st, the invention puies forward the swollen tripe state of tube mill that can detect, and tube mill can be worked and be adjusted in real time, makes tube mill
It is operated in the pre-swollen tripe state of swollen tripe early stage：The installation detecting device in the detection mouth of tube mill, detection means can be realized pair
The detection of tube mill materials inside, the signal detected is by detecting circuit transmission to signal processing module, signal processing module
Signal is changed and transmitted to be sent different according to the difference of signal to control system, control system to variable-frequency motor or blower fan
Instruction, so that tube mill is continuously maintained in the operation of pre-swollen tripe state, prevent tube mill from swollen tripe phenomenon occur.
2nd, detection means includes detector and the current vortex inductive component sensed with it, when tube mill works, is ground using pipe
Power caused by the rotation of machine materials inside, which carrys out collision detection head, makes it change displacement, and detector changes with current vortex inductive component distance
Make current vortex inductive component produce signal and be transferred to signal processing module to be exported.And pass through the repeated multiple times examination of inventor
Test, detector be designed as the structure that cylinder and cone be combined, cone top set two it is less by diameter
The thin slice of circular connecting pole connection, the design can make cylinder lower end after by ballstone pressure, will using the circular cone physical efficiency on top
Central point of the pressure transmission to lower foil, the deformation of central protuberance, bottom can be produced by lower foil is received slight stress
It is connected between thin slice and upper foil by circular connecting pole, is advantageous to bear cardiac prominence in pressure and generation at lower foil center
During the deformation risen, upper foil can produce displacement with deformation, be found through test of many times, and such design makes detector more
It is sensitive accurate, improve accuracy in detection.The swollen tripe detection means of electric vortex type multi-compartment tube grinding machine and pre-swollen tripe regulation and control method are first
It is secondary to be applied to detect inside tube mill by current vortex sensing technology, the technological gap in the field has been filled up, it is online for tube mill
Detection field tool is of great significance.
3rd, ball mill can be made to continue to run in pre-swollen tripe state, it is possible to prevente effectively from the generation of the swollen tripe failure of tube mill,
Ensure tube mill normal operation, ensure that being normally carried out for subsequent job；Prevent tube mill, ore feeder, sand return case, bearing, tooth
The equipment such as wheel are hit load and damaged, effective protection equipment safety；And the maximization of tube mill operating efficiency can be made,
Realize industry energy conservation consumption reduction purpose.
4th, it is rational in infrastructure, improve service life and accuracy of detection：Detector is provided with elastic washer with hollow cylinder junction,
Elastic washer can not only reduce detector and be hit power impact strength, prevent from damaging detector, and can prevent tube mill
The impurity such as internal mud enter inside detector, substantially increase detection accuracy.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine.
Fig. 2 is the structural front view of detection means.
Fig. 3 is Fig. 2 A-A to structure sectional view.
Fig. 4 is partial enlarged drawing at Fig. 3 B.
Fig. 5 is partial enlarged drawing at Fig. 3 C.
Wherein：1st, tube mill casing 2, tube mill top cover 3, support 4, detector 5, hollow cylinder 6, gold
Belong to piece 7, material 8, eddy-current coils 9, outer press ring 10, detection circuit 11, pedestal 12, detection mouth 13,
Elastic washer 14, inner pressure ring 15, plug 16, upper foil 17, lower foil 18, circular connecting pole.
Embodiment
Fig. 1 ~ 5 are highly preferred embodiment of the present invention, and 1 ~ 5 the present invention will be further described below in conjunction with the accompanying drawings.
Referring to the drawings 1-5：A kind of swollen tripe detection means of electric vortex type multi-compartment tube grinding machine, including it is opened in tube mill casing 1
On detection mouth 12, detection mouth 12 is outstanding cylindrical hole, and each bin of tube mill is correspondingly provided with a detection mouth
12, tube mill is supported installation and driven by variable-frequency motor and rotated by support 3, and tube mill is simultaneously defeated equipped with blower fan and mineral aggregate
Belt is sent, blower fan and mineral aggregate belt conveyor are controlled by control system.The top of detection mouth 12 is close by tube mill top cover 2
Seal, installation detecting device in detection mouth 12, detection means includes hollow cylinder 5, and the top circumference of hollow cylinder 5 passes through fixed step
In detection mouth 12, the top center of circle of hollow cylinder 5 is blocked by plug 15, the bottom inner ring of hollow cylinder 5 and detection
First 4 connection.Detector 4 inside the inner bottom of hollow cylinder 5 installation contact tube mill, the top of detector 4 is fixedly mounted and it
The current vortex inductive component of sensing, gap, the connection inspection of current vortex inductive component are left between detector 4 and current vortex inductive component
Slowdown monitoring circuit 10, detection circuit 10 pass through the signal processing module being wirelessly transferred outside connection, signal processing module connection control system
System.Specifically, signal processing module, using current transformer is wirelessly transferred, being wirelessly transferred current transformer can be examined with wireless receiving
Electric signal that slowdown monitoring circuit 10 is sent simultaneously is converted into data signal.It is wirelessly transferred current transformer connection control system, control system
The frequency converter in variable-frequency motor and the blower fan of outside can be controlled.
Being wirelessly transferred current transformer and can also use no data capture card instead in above-described embodiment.Its effect is by electricity
Signal is converted into data signal, and is sent to control system.
The bottom of detector 4 is cylinder, and cylinder can contact inside tube mill, and the top of detector 4 is cone, cone
Top be connected with two between the upper and lower every upper foil 16 and lower foil 17, two thin slices pass through middle circular connecting pole 18
It is connected, the surrounding perforate of lower foil 17, is connected detector 4 with hollow cylinder 5 by bolt and hole, the top of upper foil 16
Sheet metal 6 is installed；Current vortex inductive component includes pedestal 11 and eddy-current coils 8, and pedestal 11 is arranged on the inside of hollow cylinder 5
End, the eddy-current coils 8 that the installation of the bottom of pedestal 11 can sense with sheet metal 6.
Detector 4 is provided with elastic washer 13 with the junction of hollow cylinder 5, and the outside of elastic washer 13 passes through coaxial outer press ring
9 and inner pressure ring 14 be fixed, outer press ring 9 and elastic washer 13 are connected by multiple trip bolts with lower end hollow cylinder 5, interior
Pressure ring 14 and elastic washer 13 are connected by another group of trip bolt with detector 4.
It is a kind of to carry out pre-swollen tripe regulation and control method, including following step using the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine
Suddenly：
The first step, equipment installation：Tube mill is installed to operating position and fixed commissioning device, in the detection mouth 12 of tube mill
Interior installation detecting device；
Second step, simulation tube mill work and demarcate detector 4 when the swollen tripe state of tube mill is run be in material 7 when
Between T0：A small amount of ballstone is added to tube mill inside by tube mill detection mouth 12, starts variable-frequency motor and drives tube mill with normal
Operating rate rotates, and starts mineral aggregate belt conveyor with normal work speed to tube mill delivered inside material, makes tube mill normal
Work, meanwhile, operator's personal monitoring's tube mill internal state, continue to add quantitative ballstone if normal operation, continue to monitor,
Until detection to tube mill enters swollen tripe state, the time T0 that detector 4 is in material 7 is now recorded, then T0 is described
For tube mill when grinding the material, detector 4 is in the time in material 7 when swollen tripe state occurs；
3rd step, normal work, and the signal and time of tube mill rotation output in 1 week are gathered in real time, record inspection
Gauge head 4 is in the time T in material 7；
4th step, according to time T numerical value regulate and control tube mill pre-swollen tripe state operate：Control system receives signal transacting mould
The data signal of block feedback, and judge digital time length T, according to time T numerical values recited, send command adapted thereto control
Mineral aggregate belt conveyor and blower fan work, tube mill is set to keep the operating of pre-swollen tripe state.
The time T specific method that record detector 4 is in material 7 is：When no material applies pressure to detector 4
During lower end, the center of lower foil 17 of detector 4 is not felt by pressure, and the upper foil 16 of detector 4 does not produce displacement, metal
Piece 6 does not also produce displacement, and distance does not change between eddy-current coils 8 and sheet metal 6, and detection circuit 10 no signal produces；
When there is material to apply pressure on the lower end cylinder of detector 4, pressure is passed through top conical body by the lower end cylinder of detector 4
The center of lower foil 17 is delivered to, pressure is born in center and bulging deformation, deflection pass through circular connecting pole 18
Upper foil 16 is set to produce displacement, upper foil 16 drives sheet metal 6 to produce displacement, and sheet metal 6 is with eddy-current coils 8 apart from contracting
Small, the displacement for the sheet metal 6 that eddy-current coils 8 sense simultaneously produces electric signal, and electric signal is passed to signal by detection circuit 10
Processing module simultaneously changes into data signal output, while it is T that record, which has the time caused by data signal, then T is that detector 4 is in
Time in material 7.
Regulate and control tube mill according to time T numerical value is in the determination methods that pre-swollen tripe state operates：
1）, when time T numerical value is less than 80%*T0, tube mill is run less than pre-swollen tripe state, and control system sends instruction,
The speed of service of blower fan and mineral aggregate belt conveyor is gradually increased, progressively increases the mineral aggregate input of the first bin；
2）, when time T numerical value is equal to 80%*T0, tube mill keeps the operation of pre-swollen tripe state, and control system sends instruction,
Rotation speed of fan is set to keep stable, the speed of mineral aggregate travelling belt keeps stable；
3）, when time T numerical value is more than 80%*T0, tube mill break through pre-swollen tripe state control system send instruction, make wind
Machine rotating speed gradually steps up, and increases air quantity, meanwhile, the speed of mineral aggregate travelling belt is reduced, gradually reduces the mineral aggregate input in the first storehouse；
4）, when time T numerical value is more than 90%*T0, tube mill enters swollen tripe state, and control system controls blower fan with maximum
Speed rotates, while stops the operation of mineral aggregate travelling belt, stops the mineral aggregate input of the first bin, until time T numerical value is equal to
80%*T0, tube mill is set to be run in pre-swollen tripe state.
Speed-raising instruction is sent to blower fan in control system continuous several times, when tube mill is also run under swollen tripe state, should also
Supply material quantity is reduced simultaneously, until time T numerical value is equal in 80%*T0, tube mill is run in pre-swollen tripe state.
The above described is only a preferred embodiment of the present invention, being not the limitation for making other forms to the present invention, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But it is every without departing from technical solution of the present invention content, the technical spirit according to the present invention is to above example institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.
Claims (8)
1. a kind of swollen tripe detection means of electric vortex type multi-compartment tube grinding machine, including it is opened in tube mill casing（1）On detection mouth
（12）, detection mouth（12）For outstanding cylindrical hole, each bin of tube mill is correspondingly provided with a detection mouth（12）, pipe
Grinding machine passes through support（3）Support installation simultaneously drives rotation by variable-frequency motor, and tube mill conveys equipped with blower fan and mineral aggregate simultaneously
Belt, blower fan and mineral aggregate belt conveyor are controlled by control system, described detection mouth（12）Top passes through tube mill
Top cover（2）Sealing, detection mouth（12）Interior installation detecting device, the detection means include hollow cylinder（5）, hollow cylinder（5）
Inner bottom is provided with detector（4）, it is characterised in that：Detector（4）Top is fixedly mounted the current vortex sensed with it and sensed
Component, detector（4）Gap, current vortex inductive component connection detection circuit are left between current vortex inductive component（10）, inspection
Slowdown monitoring circuit（10）Signal processing module outside connection, signal processing module connection control system；
Described detector（4）Upper end is fixed with sheet metal（6）, detector（4）Lower end passes through hollow cylinder（5）Bottom；It is described
Current vortex inductive component include pedestal（11）And eddy-current coils（8）, pedestal（11）Installed in hollow cylinder（5）On inside
End, pedestal（11）Bottom installation can be with sheet metal（6）The eddy-current coils of sensing（8）.
A kind of 2. swollen tripe detection means of electric vortex type multi-compartment tube grinding machine according to claim 1, it is characterised in that：Described
Detector（4）Bottom is cylinder, and cylinder lower end passes through hollow cylinder（5）Bottom can contact inside tube mill, detector（4）
Top is cone, and lower foil is connected with the top of cone（17）, lower foil（17）Upside is interval with upper foil
（16）, upper foil（16）And lower foil（17）Pass through the circular connecting pole of centre（18）It is connected, lower foil（17）Four
Zhou Kaikong simultaneously passes through bolt and hollow cylinder（5）Connection, sheet metal（6）It is fixed on upper foil（16）Upside.
A kind of 3. swollen tripe detection means of electric vortex type multi-compartment tube grinding machine according to claim 1, it is characterised in that：Described
Hollow cylinder（5）Top circumference is arranged on detection mouth by fixed step（12）In, hollow cylinder（5）The top center of circle passes through plug
（15）Blocked, hollow cylinder（5）Bottom inner ring and detector（4）Connection.
A kind of 4. swollen tripe detection means of electric vortex type multi-compartment tube grinding machine according to claim 1, it is characterised in that：Described
Detector（4）With hollow cylinder（5）Junction is provided with elastic washer（13）, elastic washer（13）Outside passes through coaxial outer press ring
（9）And inner pressure ring（14）It is fixed, outer press ring（9）And elastic washer（13）Pass through multiple trip bolts and lower end hollow cylinder
（5）Connection, inner pressure ring（14）And elastic washer（13）Pass through another group of trip bolt and detector（4）Connection.
A kind of 5. swollen tripe detection means of electric vortex type multi-compartment tube grinding machine according to claim 1, it is characterised in that：Described
Detect circuit（10）Signal processing module is wirelessly connected, signal processing module connects a wireless launcher, wirelessly
Emitter will detect circuit（10）The signal of detection is wirelessly transmitted to control system.
6. carry out pre-swollen tripe using the swollen tripe detection means of a kind of electric vortex type multi-compartment tube grinding machine described in claim any one of 1-5
Regulation and control method, it is characterised in that comprise the following steps：
The first step, equipment installation：Tube mill is installed to operating position, in the detection mouth of tube mill（12）Interior installation detecting device；
Second step, simulation tube mill work and demarcate the swollen tripe state of tube mill, draw detector under the swollen tripe state of tube mill（4）Place
In material（7）In time T0：A small amount of ballstone is added to tube mill inside, starts variable-frequency motor and drives tube mill with normal work
Speed rotates, and starts mineral aggregate belt conveyor with normal work speed to tube mill delivered inside material, makes tube mill normal work,
Meanwhile operator's personal monitoring's tube mill internal state, mineral aggregate belt conveyor speed is improved if normal operation, mineral aggregate is improved and adds
Acceleration, continue to monitor, until tube mill any of which bin enters swollen tripe state, record the detector in each bin（4）
It is in material（7）In time T0, then T0 be when the tube mill is grinding the material, detector during swollen tripe state occurs
（4）It is in material（7）In time；
3rd step, normal work, and rotate a circle the signal of output to tube mill and the time is gathered in real time, record each storehouse
Detector in room（4）Material is in respectively（7）In time T；
4th step, according to time T numerical value regulate and control tube mill pre-swollen tripe state operate：It is anti-that control system receives signal processing module
The data signal of feedback, and judge digital time length T, according to T numerical values recited, send command adapted thereto control mineral aggregate conveying
Belt and blower fan work, tube mill is set to keep the operating of pre-swollen tripe state.
7. one kind according to claim 6 utilizes the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine to carry out pre-swollen tripe regulation and control
Method, it is characterised in that：It is described tube mill is regulated and controled according to time T numerical value to be in the method that pre-swollen tripe state operates：
1）When the time T numerical value of all bins in tube mill is less than the T0*80% of the bin, tube mill is less than pre-swollen tripe state
Operation, control system send instruction, are gradually increased the speed of service of blower fan and mineral aggregate belt conveyor, progressively increase the first bin
Mineral aggregate inputs；
2）When the time T numerical value of any bin in tube mill is equal to the T0*80% of the bin, tube mill keeps pre-swollen tripe state
Operation, control system send instruction, rotation speed of fan is kept stable, and the speed of mineral aggregate travelling belt keeps stable；
3）When the time T numerical value of any bin in tube mill is more than the T0*80% of the bin, tube mill breaks through pre-swollen tripe state
Control system sends instruction, reduces the speed of mineral aggregate travelling belt, gradually reduces the mineral aggregate input quantity of bin, and keeps blower fan to turn
Speed is constant；
4）When the time T numerical value of any bin is more than the T0*90% of the bin in tube mill, tube mill will enter swollen tripe state,
Control system control blower fan is rotated with maximal rate, while stops the operation of mineral aggregate travelling belt, stops the mineral aggregate of the first bin
Input, until time T numerical value is equal to 80%*T0, tube mill is set to be run in pre-swollen tripe state.
8. one kind according to claim 6 utilizes the swollen tripe detection means of electric vortex type multi-compartment tube grinding machine to carry out pre-swollen tripe regulation and control
Method, it is characterised in that：Described detector（4）Bottom is cylinder, and cylinder lower end passes through hollow cylinder（5）Bottom can connect
Touch inside tube mill, detector（4）Top is cone, and lower foil is connected with the top of cone（17）, lower foil（17）
Upside is interval with upper foil（16）, upper foil（16）And lower foil（17）Pass through the circular connecting pole of centre（18）Phase
Connection, lower foil（17）Surrounding perforate simultaneously passes through bolt and hollow cylinder（5）Connection, sheet metal（6）It is fixed on upper foil
（16）Upside；
Record detector（4）It is in material（7）In time T specific method be：When no material applies pressure to detector
（4）During lower end, detector（4）Lower foil（17）Center is not felt by pressure, detector（4）Upper foil（16）Do not produce
Raw displacement, sheet metal（6）Also displacement, eddy-current coils are not produced（8）With sheet metal（6）Between distance do not change, detect
Circuit（10）No signal produces；Detector is applied pressure to when there is material（4）When on the cylinder of lower end, detector（4）Justify lower end
Pressure is delivered to lower foil by cylinder by top conical body（17）Center, center is born pressure and raised become
Shape, deflection pass through circular connecting pole（18）Make upper foil（16）Produce displacement, upper foil（16）Drive sheet metal（6）Production
Raw displacement, sheet metal（6）With eddy-current coils（8）Distance reduces, eddy-current coils（8）The sheet metal sensed（6）Displacement
And electric signal is produced, detect circuit（10）Electric signal is passed into signal processing module and changes into data signal output, simultaneously
It is T that record, which has the time caused by data signal, then T is detector（4）It is in material（7）In time.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510983793.8A CN105583038B (en) | 2015-12-24 | 2015-12-24 | Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method |
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| CN201510983793.8A CN105583038B (en) | 2015-12-24 | 2015-12-24 | Tripe detection means that a kind of electric vortex type multi-compartment tube grinding machine is swollen and pre-swollen tripe regulation and control method |
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| Publication Number | Publication Date |
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| CN105583038B true CN105583038B (en) | 2017-11-17 |
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| CN105921229A (en) * | 2016-06-07 | 2016-09-07 | 淮南市宜留机械科技有限公司 | Precise discharging assembly of ball mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2140171A (en) * | 1983-05-04 | 1984-11-21 | Boulton Ltd William | Ball mill control device |
| JP3048617B2 (en) * | 1990-10-09 | 2000-06-05 | バブコツク日立株式会社 | Pulverized coal machine |
| CN2270558Y (en) * | 1996-07-18 | 1997-12-17 | 华北电力大学 | Pickup load transmittor for ball mill |
| CN201454668U (en) * | 2009-06-02 | 2010-05-12 | 上海宝田新型建材有限公司 | Time delay protection device of air locking valve for COREX vertical mill |
| CN102744141B (en) * | 2011-04-20 | 2014-02-12 | 山东理工大学 | System and method for detecting motion state of ball mill |
| CN104069917B (en) * | 2014-07-01 | 2016-03-23 | 山东理工大学 | Ball mill impulsive force checkout gear and impulsive force detect and ball mill speed regulating method |
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