CN207102869U - Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field - Google Patents
Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field Download PDFInfo
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- CN207102869U CN207102869U CN201720976939.0U CN201720976939U CN207102869U CN 207102869 U CN207102869 U CN 207102869U CN 201720976939 U CN201720976939 U CN 201720976939U CN 207102869 U CN207102869 U CN 207102869U
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Abstract
A kind of shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field, including shallow-tank separator body, qualified medium bucket；There is drive device on shallow-tank separator body；The bottom of shallow-tank separator body is cell body, and cell body bottom is provided with rising media slot；Qualified medium bucket is in the lower section of cell body；Monitoring adjustment system includes Density Measuring Instrument, control unit, execution unit；Qualified medium bucket is connected by transfer pipeline with the rising media slot of cell body bottom；Density Measuring Instrument is a detection density instrument, and multiple detection density instrument set up separately in cell body；Rise flow control valve and circulating pump is arranged on the conveyance conduit；Density Measuring Instrument is connected with control unit respectively, and control unit is connected with the actuator in execution unit, rises flow control valve and circulating pump is connected with actuator respectively.This separator had both ensured that density of suspending liquid was uniform and stable everywhere in cell body, and it is excessive not make to feed suspension flow, caused cell body flow field to be vortexed and the excessive phenomenon of energy consumption；The compact equipment, easy for installation, monitoring is accurate, precise control.
Description
Technical field
A kind of shallow slot heavy-media separator is the utility model is related to, it is specifically a kind of to carry the uniform and stable prison of density field
Survey the shallow slot heavy-media separator of adjustment system.
Background technology
Currently, shallow slot heavy-media separator is widely used in coal industry both at home and abroad, the sorting as coal is set
It is standby.Its feature is that sorting groove is open type, and with scraper plate discharge, also known as slot type separator.Shallow-slot scraper dense medium separation
Machine（Abbreviation shallow-tank separator）Suitable for lump coal discharge refuse, instead of manually selecting, heavy manual labor is eliminated；Can be with dense medium
The smalls such as cyclone screening installation, which combines, is used for selected wholegrain level coal；For thermal coal, if only choosing 25mm, 13mm
When, master can be used as to wash equipment completely, without other supporting smalls, slime separation equipment again.It is coal mine ground coal preparation plant and well
The lower preferable coal separation equipment of coal preparation plant, in China, Coal Preparation Plant is used widely in recent years.
Tangshan research institute research shallow-tank separator starts from the 1950s, in use, form and parameter also obtain
To constantly it is perfect.
Because the equipment has the characteristics that easy to operate, easy care, Low investment, low energy consumption and the high efficiency of separation, in China very
Get the nod soon.Therefore shallow-tank separator structure, sorting, unit control etc. should be studied more.
At present, heavy-fluid used in domestic and international shallow slot heavy-media separator coal separation is essentially all by magnetite powder, water and certain
The coal slime of amount（Play stabilization）The suspension being configured to.The granularity of magnetite powder typically exists in 45-74 microns, its real density
4.5g/cm3More than.So it is very unstable with the suspension of its preparation, it will take measures to keep it relatively stable in production.
Existing Separator of heavy medium shallow slot, keeping the method for effect suspension stabilization has：
First, add sedimentation of the appropriate coal slime to magnetite powder and produce interference, reduce its sinking speed；In its sedimentation layering
Terminate sharpness of separation process before serious；
2nd, mechanical intervention method, i.e., force flow field density stable using rising liquid stream or declining liquid stream in screening installation.
And it is exactly mechanical intervention method that most, most ripe method is applied in most having operability, producing, i.e., set in sorting
It is standby middle stable using liquid stream pressure flow field density is risen.It is this steady using liquid stream pressure suspension flow field density is risen in cell body
It is low to determine the controlled degree of interference method density of suspending liquid, usually using control manually.
At present, the control of domestic and international shallow-tank separator density field is also not carried out by density contrast adjust automatically, without effective
Control device, can only be visually observed with operative employee, experiential operating, control accuracy can not be ensured, it is non-big often to rise flow
It is i.e. small, when upper up-flow is excessive, cause magic flower in sorting groove, form strong turbulence, the serious flowing for hindering coal stream, cause equipment,
Pipeline serious wear, energy consumption increase, and have a strong impact on sharpness of separation and treating capacity；Suspended when upper up-flow is too small, in cell body liquid-tight
Phenomena such as degree layering is serious, causes material to be accumulated in centre, and cleaned coal can not float, causes cleaned coal to lose.
Utility model content
The utility model is to be directed to problems of the prior art, there is provided a kind of compact-sized, easy for installation carries
The shallow slot heavy-media separator of the uniform and stable monitoring adjustment system of density field.
Technical scheme is used by the utility model：A kind of shallow slot with the uniform and stable monitoring adjustment system of density field
Heavy-media separator, including shallow-tank separator body, qualified medium bucket；
Drive device is provided with described shallow-tank separator body；
The bottom of the shallow-tank separator body is cell body, and cell body bottom is provided with rising media slot；Cell body side is set
There are feeding mouth, horizontal media mouth and overflow discharge gate；
Qualified medium bucket is arranged on the lower section of the cell body；
Separator also includes the monitoring adjustment system for being used for uniform and stable density length；
The monitoring adjustment system includes Density Measuring Instrument, control unit, execution unit；Described qualified medium bucket passes through conveying
Pipeline connects with the rising media slot of cell body bottom；
Described Density Measuring Instrument is a detection density instrument, and multiple detection density instrument set up separately in cell body；
Described execution unit includes actuator, rises flow control valve and circulating pump；The rising flow control valve and circulation
Pump is arranged on the conveyance conduit；
Described Density Measuring Instrument is connected with control unit respectively, and control unit is connected with the actuator in execution unit, is risen
Flow control valve and circulating pump are connected with actuator respectively.
Transport module, standard value module and contrast module are provided with control unit；Transport module receives and sent signal；
The standard value of the density field density of the extraneous input of standard value module storage；Contrast module is by the standard value and biography in standard value module
The density for the real-time monitoring that defeated module receives is compared, then comparison result is sent to described actuator through transport module.
Control module is provided with actuator, control module receives the comparison result of the transport module conveying, passes through control
The state of circulating pump processed and rising flow control valve realizes the control to feeding suspension flow.
Density Measuring Instrument is separately mounted to representative locations in shallow-tank separator cell body.
Density Measuring Instrument is tuning-fork type densitometer.
Between Density Measuring Instrument and control unit, between control unit and actuator, between actuator and circulating pump, actuator with
Between rising flow control valve, wired connection or wireless signal connection is respectively adopted.
This separator disclosed in the utility model, it has installed, the system of monitoring uniform to density field in groove additional, passed through
Dot density detecting instrument carries out fixed point detection to the suspension of representative locations in groove, is transmitted by signal, detection dot density
Be sent to central control unit in real time, and with input（It is given）Value is analysed and compared, according to comparison result automatically to suspension
Feed passage to be adjusted, make to feed suspension flow in appropriate scope, both ensure that density of suspending liquid is uniform everywhere in cell body
It is stable, and it is excessive not make to feed suspension flow, cause cell body flow field to be vortexed and the excessive phenomenon of energy consumption；The device structure is tight
Gather, easy for installation, monitoring is accurate, precise control.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the schematic view of the mounting position of the utility model Midst density instrument.
In figure：Cell body 1, qualified medium bucket 2, circulating pump 3, rise flow control valve 4, actuator 5, PLC 6, density
Instrument 7, rise media slot 8, drive device 9, feeding mouth 10, horizontal media entrance 11, overflow discharge gate 12, conveyance conduit 13.
Embodiment
The utility model is described further with reference to the accompanying drawings and examples.
Referring to accompanying drawing 1-2, this separator disclosed in the utility model is shallow slot heavy-media separator, this kind of shallow slot
Heavy-media separator sorting groove is open type, and discharges high density material, overflow-type with scraper plate（Or scraper plate）Discharge low-density
Material, also known as slot type separator.This Cao Shi separators are when being sorted, in its cell body, due to magnetic iron ore in suspension
The natural subsidence of powder so that the iron powder accumulation of shallow slot bottom, also make cell body bottom density of suspending liquid and concentration become big, cell body top
Density of suspending liquid and concentration diminish, and cell body upper and lower suspension forms a density contrast, and this difference is the smaller the better in production,
It is perfect condition when difference is zero, now assorting room can strictly press density separation.Due to the property of suspension so that this reason
Thinking that state is impossible existing, and it is inevitable for density contrast being present, keeps density of suspending liquid relatively uniform, stably, this density
Difference must is fulfilled in certain scope, just can guarantee that heavy-media separator normal work.
This separator disclosed in the utility model, which has installed additional, to be monitored in real time to the density field in cell body, and
Suspension pan feeding flow can be controlled in real time according to monitoring result, so as to realize density field in cell body it is uniform and stable be
System.
This shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field, including shallow-tank separator sheet
Body, qualified medium bucket 2.Drive device 9 is provided with shallow-tank separator body；The bottom of shallow-tank separator body is cell body 1, groove
The middle position of body bottom, which is provided with, rises media slot 8.The cell body of shallow-tank separator, the top of its one side, which is provided with, to be divided into
The feeding mouth 10 and horizontal media mouth 11 put, the top of another side are provided with overflow discharge gate 12.
Qualified medium bucket is arranged on the lower section of the cell body, and qualified medium bucket is upper by conveyance conduit 13 and cell body bottom
Media slot 8 is risen to connect.
Separator also includes the monitoring adjustment system for being used for uniform and stable density length；The system includes Density Measuring Instrument, control list
Member, execution unit.
Density Measuring Instrument is a detection density instrument, and multiple detection density instrument set up separately in cell body.
Preferably, Density Measuring Instrument is separately mounted to representative locations in shallow-tank separator cell body.In cell body, according to sorting
Situation is divided into different functional areas, in its bracket groove（Along cell body length direction）Left and right is vertically arranged two pieces and is deep to cell body bottom
（It is more than scraper plate）Dividing plate, this block region is the metastable region in the flow field being isolated out, the sorting of material be also this two
Individual region is completed, and the suspension in needs control and this subregion, i.e. the subregion is referred to as representative position
Put.
Preferably, Density Measuring Instrument is tuning-fork type densitometer.This tuning fork densitometer is arranged on what is selected in separator cell body
Representative locations, according to the size of shallow-tank separator, it is determined that the number of installation tuning fork densitometer and position.
Execution unit includes actuator 5, rises flow control valve 4 and circulating pump 3.Rise flow control valve and circulating pump is arranged on
On conveyance conduit.Rise flow control valve and be arranged on the position that conveyance conduit is connected with rising media slot, circulating pump is mounted adjacent to
On the conveyance conduit of qualified medium bucket.Circulating pump and the flow for rising flow control valve major control suspension pan feeding.
Multiple Density Measuring Instruments are connected with control unit respectively, and control unit is connected with the actuator in execution unit, upper up-flow
Control valve and circulating pump are connected with actuator respectively.
Control unit selects PLC 6.Transport module, standard value module and contrast module are provided with control unit.
Transport module receives and sent signal；The standard value of the density field density of the extraneous input of standard value module storage；Contrast module will
The density for the real-time monitoring that standard value in standard value module receives with transport module is compared, then by comparison result through transmission
Module is sent to described actuator.
Preferably, being provided with control module in actuator, control module receives the comparison knot of the transport module conveying
Fruit, by controlling the state of circulating pump and rising flow control valve to realize the control to feeding suspension flow.
Between Density Measuring Instrument and control unit, between control unit and actuator, between actuator and circulating pump, actuator with
Between rising flow control valve, wired connection or wireless signal connection is respectively adopted.
The device carries out inspection of fixed place and time by Density Measuring Instrument to the suspension of the representative locations in shallow-tank separator cell body
Survey, transmitted by signal, the density of monitoring point is sent to control unit in real time, and with pre-entered in standard value module or to
Fixed value is analysed and compared, and comparison result is sent to actuator, and actuator is according to comparison result automatically to circulating pump or rising
Flow control valve is mediated, and to reach the regulation for reconciling the suspension amount of feeding, the flow for making to feed cell body upper up-flow suspension exists
In appropriate scope, the uniform and stable of density of suspending liquid was everywhere both ensured in cell body, and it is excessive not make to feed suspension flow, causes
Cell body flow field is vortexed and abrasion, the excessive phenomenon of energy consumption.
Claims (6)
1. a kind of shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field, including shallow-tank separator sheet
Body, qualified medium bucket；
Drive device is provided with described shallow-tank separator body；
The bottom of the shallow-tank separator body is cell body, and cell body bottom is provided with rising media slot；Cell body side be provided with into
Material mouth, horizontal media mouth and overflow discharge gate；
Qualified medium bucket is arranged on the lower section of the cell body；
It is characterized in that：Separator also includes the monitoring adjustment system for being used for uniform and stable density length；
The monitoring adjustment system includes Density Measuring Instrument, control unit, execution unit；Described qualified medium bucket passes through conveyance conduit
Connected with the rising media slot of cell body bottom；
Described Density Measuring Instrument is a detection density instrument, and multiple detection density instrument set up separately in cell body；
Described execution unit includes actuator, rises flow control valve and circulating pump；Rising flow control valve and the circulating pump peace
On the conveyance conduit；
Described Density Measuring Instrument is connected with control unit respectively, and control unit is connected with the actuator in execution unit, upper up-flow control
Valve and circulating pump processed are connected with actuator respectively.
2. the shallow slot heavy-media separator according to claim 1 with the uniform and stable monitoring adjustment system of density field, its
It is characterised by, transport module, standard value module and contrast module is provided with described control unit；Transport module receives and hair
The number of delivering letters；The standard value of the density field density of the extraneous input of standard value module storage；Contrast module is by the mark in standard value module
The density for the real-time monitoring that quasi- value receives with transport module is compared, then comparison result is sent to described through transport module
Actuator.
3. the shallow slot heavy-media separator according to claim 2 with the uniform and stable monitoring adjustment system of density field, its
It is characterised by, control module is provided with described actuator, and control module receives the comparison result of the transport module conveying,
By controlling the state of circulating pump and rising flow control valve to realize the control to feeding suspension flow.
4. the shallow slot heavy-media separator according to claim 1 with the uniform and stable monitoring adjustment system of density field, its
It is characterised by, Density Measuring Instrument is separately mounted to representative locations in shallow-tank separator cell body.
5. the shallow slot heavy-media separator according to claim 1 with the uniform and stable monitoring adjustment system of density field, its
It is characterised by, described Density Measuring Instrument is tuning-fork type densitometer.
6. the shallow slot heavy-media separator according to claim 1 with the uniform and stable monitoring adjustment system of density field, its
Be characterised by, between described Density Measuring Instrument and control unit, between control unit and actuator, between actuator and circulating pump,
Between actuator and rising flow control valve, wired connection or wireless signal connection is respectively adopted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720976939.0U CN207102869U (en) | 2017-08-07 | 2017-08-07 | Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720976939.0U CN207102869U (en) | 2017-08-07 | 2017-08-07 | Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field |
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| CN207102869U true CN207102869U (en) | 2018-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282284A (en) * | 2017-08-07 | 2017-10-24 | 中煤科工集团唐山研究院有限公司 | Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field |
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2017
- 2017-08-07 CN CN201720976939.0U patent/CN207102869U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107282284A (en) * | 2017-08-07 | 2017-10-24 | 中煤科工集团唐山研究院有限公司 | Shallow slot heavy-media separator with the uniform and stable monitoring adjustment system of density field |
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