CN209612286U - Dense machine control system - Google Patents
Dense machine control system Download PDFInfo
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- CN209612286U CN209612286U CN201822150386.0U CN201822150386U CN209612286U CN 209612286 U CN209612286 U CN 209612286U CN 201822150386 U CN201822150386 U CN 201822150386U CN 209612286 U CN209612286 U CN 209612286U
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Abstract
The utility model proposes a kind of dense machine control systems, flocculant delivery pump, the first controller, underflow pump that the dense machine control system includes concentrator, is connected with concentrator, and second controller, wherein, first controller, it is connected with flocculant delivery pump, the first controller is used to be fed the flow and density of ore pulp according to concentrator, carries out dynamic regulation to the current operation frequency of flocculant delivery pump；Second controller is connected with underflow pump, and second controller is used to be fed the flow and density, the pulp density of underflow pump discharge, the base pressure value of concentrator of ore pulp according to concentrator, carries out dynamic regulation to the current operation frequency of underflow pump.It can be realized by the utility model and the running frequency of flocculant delivery pump and underflow pump carried out automatically controlling in concentrator operational process, so that concentrator is stable, promote the automatic control effect of concentrator.
Description
Technical field
The utility model relates to concentrator technical field more particularly to a kind of dense machine control systems.
Background technique
In the related technology, general concentrator control, is manually controlled with concentrator use site, or by flocculant delivery pump
It is run with underflow pump according to a setpoint frequency.When applying working condition varies widely, running frequency ginseng cannot be adjusted in time
Number, is likely to result in concentrator fluctuation of service, control effect is undesirable.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, can be realized and run in concentrator the purpose of this utility model is that propose a kind of dense machine control system
The running frequency of flocculant delivery pump and underflow pump is carried out automatically controlling in the process, so that concentrator is stable, is promoted dense
The automatic control effect of close machine.
In order to achieve the above objectives, the dense machine control system that the utility model embodiment proposes, comprising: concentrator and institute
State flocculant delivery pump, the first controller, underflow pump and second controller that concentrator is connected, wherein first control
Device processed is connected with the flocculant delivery pump, and first controller is used to be fed the flow of ore pulp and close according to concentrator
Degree carries out dynamic regulation to the current operation frequency of the flocculant delivery pump；The second controller, with the underflow pump phase
Connection, the second controller be used to be fed according to the concentrator mineral slurry flux and density, the pulp density of underflow pump discharge,
The base pressure value of the concentrator carries out dynamic regulation to the current operation frequency of the underflow pump.
The dense machine control system that the utility model embodiment proposes, the first controller are used to be fed ore pulp according to concentrator
Flow and density, dynamic regulation is carried out to the current operation frequency of flocculant delivery pump, second controller is connected with underflow pump
It connects, second controller is used to be fed the flow and density, the pulp density of underflow pump discharge, concentrator of ore pulp according to concentrator
Base pressure value carries out dynamic regulation to the current operation frequency of underflow pump, can be realized in concentrator operational process to wadding
The running frequency of solidifying agent delivery pump and underflow pump carries out automatically controlling, so that concentrator is stable, promotes the automatic of concentrator
Control effect.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural schematic diagram for the dense machine control system that an embodiment of the present invention proposes；
Fig. 2 is the structural schematic diagram for the dense machine control system that another embodiment of the utility model proposes.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.On the contrary, the embodiments of the present invention include falling into owning within the scope of the spirit and intension of attached claims
Variation, modification and equivalent.
Fig. 1 is the structural schematic diagram for the dense machine control system that an embodiment of the present invention proposes.
Referring to Fig. 1, which includes: including concentrator 101, the flocculation being connected with concentrator 101
Agent delivery pump 102, the first controller 103, underflow pump 104 and second controller 105, wherein
First controller 103, is connected with flocculant delivery pump 102, and the first controller 103 is used for according to concentrator 101
It is fed the flow and density of ore pulp, dynamic regulation is carried out to the current operation frequency of flocculant delivery pump 102.
Second controller 105 is connected with underflow pump 104, and second controller 105 is used to be fed mine according to concentrator 101
Pulp density, the base pressure value of concentrator 101 that flow and density, the underflow pump 104 of slurry export, to working as underflow pump 104
Preceding running frequency carries out dynamic regulation.
Wherein, concentrator 101 is the solid-liquid separating equipment based on gravitational settling effect, and effect is to make supplied materials ore pulp solid-liquid
Separation, to achieve the purpose that obtain its overflow supernatant or underflow concentration ore pulp.
In the related technology, general concentrator control, is manually controlled with concentrator use site, or by flocculant delivery pump
It is run with underflow pump according to a setpoint frequency.When applying working condition varies widely, running frequency ginseng cannot be adjusted in time
Number, is likely to result in concentrator fluctuation of service, control effect is undesirable.
In order to solve the above technical problems, practical change of the utility model according to some parameters in 101 applying working condition of concentrator
Change situation, the running frequency of dynamic regulation flocculant delivery pump 102 and underflow pump 104 makes concentrator 101 run smoothly, also,
High degree of automation reduces the number that operator manually adjusts.
The utility model embodiment is that the flow of ore pulp and close is fed according to concentrator 101 during specific implementation
Degree carries out dynamic regulation to the current operation frequency of flocculant delivery pump 102, and is fed the stream of ore pulp according to concentrator 101
Pulp density, the base pressure value of concentrator 101 that amount and density, underflow pump 104 export, the current operation to underflow pump 104
Frequency carries out dynamic regulation.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include:
The first frequency converter 106 being connected respectively with the first controller 103 and flocculant delivery pump 102, wherein
First controller 103 is used to be fed the flow and density of ore pulp according to concentrator 101, and the ore pulp for calculating addition is dry
Mine amount and preset ratio, which calculate, needs flocculation agent flux to be added, and calculates and need flocculation agent flux to be added
Corresponding first running frequency；
First controller 103 is according to the first running frequency, by controlling the first frequency converter 106, to flocculant
The current operation frequency of delivery pump 102 is adjusted.
Preset ratio therein can be set previously according to the actual use demand of operator, alternatively, can also be with
It is preset by the factory program of dense machine control system, with no restriction to this.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include: respectively with second controller
105 the second frequency converters 107 being connected with underflow pump 104, wherein
Second controller 105 is used to be fed the flow and density of ore pulp according to concentrator 101, and the ore pulp for calculating addition is dry
Mine amount calculates the flow and corresponding second for needing the underflow ore pulp set according to this dry mine amount and underflow pulp density
Running frequency adjusts setting for underflow mineral slurry flux with reference to the density value of 101 base pressure value and underflow ore pulp of concentrator
Definite value；
Second controller 105 is according to the second running frequency, by controlling the second frequency converter 107, to underflow pump
104 current operation frequency carries out dynamic regulation.
In the embodiments of the present invention, the first frequency converter 106 and the second frequency converter 107 can be two different changes
Frequency device, by be arranged two different frequency converters, realize in 101 operational process of concentrator to flocculant delivery pump 102 and stream
Pump 104 running frequency be respectively controlled, ensure that different control logics does not mutually conflict and influences, promoted control precision and
Real-time further promotes control effect.
Alternatively, for the mounting design cost for the system of saving, it can also be by the first frequency converter 106 and the second frequency converter 107
Two control logics be integrated into the different control threads in a frequency converter, with no restriction to this.
In the utility model embodiment, has Programmable logical controller in the first controller 103 and second controller 105
Device, programmable logic controller (PLC) is according to some parameter (for example, concentrators 101 in collected 101 applying working condition of concentrator of institute
Pulp density, the base pressure value of concentrator 101 and the underflow pump that the flow and density, underflow pump 104 for being fed ore pulp export
The density value etc. of 104 underflow ore pulp), corresponding electric signal is generated according to some parameters, and by electric signal transmission to can
The analog input fastener of programmed logic controller exports 4~20mA signal to frequency converter, to adjust by analog output fastener
The frequency of whole frequency converter.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include:
The first flowmeter 108 being connected respectively with flocculant delivery pump 102 and underflow pump 104 and the first densitometer 109,
First flowmeter 108 and the first densitometer 109 are connected with the first controller 103 respectively, first flowmeter 108 and the first density
Meter 109 is connected with second controller 105 respectively；Wherein,
The first flowmeter 108 and the first densitometer 109 are used to calculate the dry mine amount that concentrator is added.
First flowmeter 108 in the utility model embodiment can be specifically set at 101 ore pulp feed pipe of concentrator.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include:
The third flowmeter 110 being connected respectively with flocculant delivery pump 102, third flowmeter 110 and the first controller
105 are connected；Wherein,
Third flowmeter 110 is used to acquire the flocculation agent flux of the outlet of flocculant delivery pump 102；
Second densitometer 111 is used to acquire the pulp density of the outlet of underflow pump 104.
In the embodiments of the present invention, above-mentioned first flowmeter 108 and the first densitometer 109 and third stream
Meter 110 and the second densitometer 111 can be respectively set, or also can integrate and be arranged in a data acquisition device, if
It sets that mode is flexible, can satisfy the installation requirements of various dense machine control systems.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include:
The second flowmeter 112 being connected with the underflow pump and the second densitometer 111, second densitometer 111 are used
In the setting value for calculating underflow mineral slurry flux, the third flowmeter 110 is used to acquire the flow value of the underflow pump discharge, and
In the control logic of second controller described in flow value feed-in by the outlet.
In the embodiments of the present invention, above-mentioned first flowmeter 108, third flowmeter 110 and second flow
Meter 112 can be electromagnetic flowmeter, and the first above-mentioned densitometer 109 and the second densitometer 111 can be nuclear density meter, specific
During execution, electromagnetic flowmeter is arranged in the outlet of flocculant delivery pump 102, and electromagnetism is arranged in 101 ore pulp feed pipe of concentrator
Flowmeter and nuclear density meter, the outlet of underflow pump 104 setting electromagnetic flowmeter and nuclear density meter.Pressure is arranged in 101 bottom of concentrator
Instrument signal collected can be all connected to the analog input fastener of programmable logic controller (PLC), will wadded a quilt with cotton by transmitter 113
The frequency setting of the first frequency converter 106 and corresponding second frequency converter 107 of 101 underflow pump of concentrator 104 of solidifying agent delivery pump 102
It is signally attached to the analog output fastener.
The control logic of first controller 103 is set in programmable logic control system.In the control logic, by first
Flowmeter 108 detects obtained flow value and is multiplied with pulp density, then is calculated as needing flocculant stream to be added by preset ratio
Amount, it is the setting value of control logic that this, which needs flocculation agent flux to be added,；The flow value of the detection of second flowmeter 112 is made
For the feed-in value of control logic in the first controller 103, the output valve being calculated by control logic as with need to add
Corresponding first running frequency of flocculation agent flux.
It is used to acquire the flow value of the outlet of flocculant delivery pump 102 by second flowmeter 112, and by the flow value of outlet
In the control logic of the first controller of feed-in 103, control precision can be further promoted.
Optionally in some embodiments, referring to fig. 2, the dense machine control system 10 further include:
The pressure transmitter 113 being connected with concentrator 101, pressure transmitter 113 are used to acquire the bottom of concentrator 101
Pressure value.
The control logic of second controller 105 is set in programmable logic control system.First flowmeter 108 is detected
Obtained flow value is multiplied with pulp density, obtains the flow for needing the underflow ore pulp set, then divided by underflow pulp density, obtain
To the flow for the underflow ore pulp for needing to set.The flow for the underflow ore pulp that this needs is set can be used as second controller 105
Control logic；Third flowmeter 110 is detected into obtained flow value as the feed-in value of the control logic of second controller 105,
Second operation corresponding to density value of the output valve being calculated by control loop as the underflow ore pulp with underflow pump 104
Frequency.Meanwhile the 101 base pressure value of density and concentrator with reference to underflow slurry outlet, the underflow that dynamic adjustment needs to set
The flow of ore pulp.
In the present embodiment, the first controller is used to be fed the flow and density of ore pulp according to concentrator, conveys to flocculant
The current operation frequency of pump carries out dynamic regulation, and second controller is connected with underflow pump, and second controller is used for according to dense
Machine is fed the flow and density, the pulp density of underflow pump discharge, the base pressure value of concentrator of ore pulp, to the current of underflow pump
Running frequency carries out dynamic regulation, can be realized the operation frequency in concentrator operational process to flocculant delivery pump and underflow pump
Rate carries out automatically controlling, so that concentrator is stable, promotes the automatic control effect of concentrator.
It should be noted that term " first ", " second " etc. are used for description purposes only in the description of the present invention,
It is not understood to indicate or imply relative importance.In addition, in the description of the present invention, unless otherwise indicated, it is " more
It is a " it is meant that two or more.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion
Point, and the range of preferred embodiments of the present invention includes other realization, wherein can not be by shown or discussion
Sequence, including according to related function by it is basic simultaneously in the way of or in the opposite order, Lai Zhihang function, this should be by this
The embodiment person of ordinary skill in the field of utility model is understood.
It should be appreciated that each section of the utility model can be realized with hardware, software, firmware or their combination.In
In above embodiment, what multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Software or firmware are realized.It, and in another embodiment, can be with known in this field for example, if realized with hardware
Any one of following technology or their combination realize: there is the logic gate for realizing logic function to data-signal
The discrete logic of circuit, the specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA),
Field programmable gate array (FPGA) etc..
Those skilled in the art are understood that realize all or part of step that above-described embodiment method carries
It suddenly is that relevant hardware can be instructed to complete by program, the program can store in a kind of computer-readable storage medium
In matter, which when being executed, includes the steps that one or a combination set of embodiment of the method.
In addition, can integrate in a processing module in each functional unit in each embodiment of the utility model,
It can be each unit to physically exist alone, can also be integrated in two or more units in a module.It is above-mentioned integrated
Module both can take the form of hardware realization, can also be realized in the form of software function module.The integrated mould
If block is realized and when sold or used as an independent product in the form of software function module, it also can store and counted at one
In calculation machine read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (7)
1. a kind of dense machine control system, which is characterized in that conveyed including concentrator, the flocculant being connected with the concentrator
Pump, the first controller, underflow pump and second controller, wherein
First controller is connected with the flocculant delivery pump, and first controller according to concentrator for being fed
The flow and density of ore pulp carry out dynamic regulation to the current operation frequency of the flocculant delivery pump；
The second controller is connected with the underflow pump, and the second controller is used to be fed mine according to the concentrator
The flow and density of slurry, the pulp density of underflow pump discharge, the base pressure value of the concentrator, to the current of the underflow pump
Running frequency carries out dynamic regulation.
2. dense machine control system as described in claim 1, which is characterized in that further include: respectively with first controller
The first frequency converter being connected with the flocculant delivery pump, wherein
First controller is used to be fed the flow and density of ore pulp according to concentrator, calculates the ore pulp dry mine amount of addition,
And preset ratio calculates needs flocculation agent flux to be added, and calculate and it is described need to flocculation agent flux pair to be added
The first running frequency answered；
First controller is according to first running frequency, by controlling first frequency converter, to described
The current operation frequency of flocculant delivery pump is adjusted.
3. dense machine control system as described in claim 1, which is characterized in that further include: respectively with the second controller
The second frequency converter being connected with the underflow pump, wherein
The second controller is used to be fed the flow and density of ore pulp according to concentrator, calculates the ore pulp dry mine amount of addition,
The flow for needing the underflow ore pulp set and corresponding second operation frequency are calculated according to this dry mine amount and underflow pulp density
Rate adjusts the setting value of underflow mineral slurry flux with reference to the density value of concentrator base pressure value and underflow ore pulp；
The second controller is according to second running frequency, by controlling second frequency converter, to described
The current operation frequency of underflow pump carries out dynamic regulation.
4. dense machine control system as claimed in claim 2 or claim 3, which is characterized in that further include:
The first flowmeter being connected respectively with flocculant delivery pump and underflow pump and the first densitometer, the first flowmeter and
First densitometer is connected with first controller respectively, and the first flowmeter and the first densitometer are respectively with described second
Controller is connected；Wherein,
The first flowmeter and the first densitometer are used to calculate the dry mine amount that concentrator is added.
5. dense machine control system as claimed in claim 2, which is characterized in that further include:
The third flowmeter being connected respectively with the flocculant delivery pump, the third flowmeter and the first controller phase
Connection；Wherein,
The third flowmeter is used to acquire the flocculation agent flux of the flocculant conveying pump discharge.
6. dense machine control system as claimed in claim 3, which is characterized in that further include:
The pressure transmitter being connected with the concentrator, the pressure transmitter are used to acquire the base pressure of the concentrator
Value；
The second controller is also used to the base pressure value according to the concentrator to the underflow ore pulp for needing to set
Flow carries out dynamic adjustment.
7. dense machine control system as claimed in claim 5, which is characterized in that further include:
The second flowmeter being connected with the underflow pump and the second densitometer, second densitometer is for calculating underflow ore pulp
The setting value of flow, the third flowmeter are used to acquire the flow value of the underflow pump discharge, and by the flow of the outlet
It is worth in the control logic of second controller described in feed-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201822150386.0U CN209612286U (en) | 2018-12-20 | 2018-12-20 | Dense machine control system |
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| CN201822150386.0U CN209612286U (en) | 2018-12-20 | 2018-12-20 | Dense machine control system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603213A (en) * | 2018-12-20 | 2019-04-12 | 中国恩菲工程技术有限公司 | Dense machine control system and method |
| CN115364529A (en) * | 2022-08-31 | 2022-11-22 | 太钢集团岚县矿业有限公司 | Method for improving desliming effect of thickener |
-
2018
- 2018-12-20 CN CN201822150386.0U patent/CN209612286U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109603213A (en) * | 2018-12-20 | 2019-04-12 | 中国恩菲工程技术有限公司 | Dense machine control system and method |
| CN109603213B (en) * | 2018-12-20 | 2024-03-19 | 中国恩菲工程技术有限公司 | Thickener control system and method |
| CN115364529A (en) * | 2022-08-31 | 2022-11-22 | 太钢集团岚县矿业有限公司 | Method for improving desliming effect of thickener |
| CN115364529B (en) * | 2022-08-31 | 2024-04-12 | 太钢集团岚县矿业有限公司 | Method for improving desliming effect of thickener |
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