CN105127005B - A kind of method for floating with high reliability - Google Patents

A kind of method for floating with high reliability Download PDF

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Publication number
CN105127005B
CN105127005B CN201510656460.4A CN201510656460A CN105127005B CN 105127005 B CN105127005 B CN 105127005B CN 201510656460 A CN201510656460 A CN 201510656460A CN 105127005 B CN105127005 B CN 105127005B
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land
flotation column
chamber
mode selection
flotation
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CN105127005A (en
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施鑫镛
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Heilongjiang Baoquanling Agricultural Reclamation Weida Graphite Co.,Ltd.
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Quzhou Youde Industrial Design Co Ltd
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Abstract

The present patent application discloses a kind of method for floating with high reliability, it uses mode selection parts, there is switching construction in mode selection part, the structure is preferably monitored the working condition of flotation column, it is not only able to find the blocking of return pipe, it can also automatically switch the flotation pattern of flotation column to non-middling cycle pattern, improve the reliability of flotation column;The control that the main controller of flotation column passes through the pumping pressure to pump, boosting repeatedly and decompression, block part is impacted, no matter and flotation column can be carried out flotation in the flrst mode or in second mode, to realize block part is being handled online.

Description

A kind of method for floating with high reliability
The present invention is a kind of divisional application of patent of invention " method for floating of high reliability ", and the applying date of original application is On April 11st, 2014, the application number of original application is 2014101444442, and the invention and created name of original application is " a kind of highly reliable The method for floating of property ".
Technical field
This application involves a kind of method for floating, and in particular to a kind of to switch over to ensure to float using two sets of floatation systems The method for selecting reliability.
Background technology
Flotation column has been the conventional equipment in flotation field, and flotation column usually has middling cycle structure, middling cycle structure The chats of inabundant flotation is inflated again and is returned in flotation column, existing middling cycle structure is wished ore pulp more uniformly Distribution, therefore more return pipe is used, but excessive return pipe branch causes the diameter of pipe smaller to be adapted to chats Back amount, and inevitably there is return pipe clogging.
Overcome overfall blockage currently without particularly effective technical solution, first, return pipe is blocked in floatation process In be difficult find because flotation column be enclosure space, there are a large amount of overflow foams, these factors to result in difficulty at overflow port In the blocking for finding return pipe;On the other hand, even if be found that block not good method dredge, can only shut down dimension It repaiies.But the ore pulp not sorted completely in flotation column can only stop flotation and exhaust, this undoubtedly wastes valuable mineral resources.
Invention content
The purpose of the present invention is to provide a kind of method for floating of high reliability, to solve overfall in the prior art above-mentioned The problem of blockage.
The present invention realizes that a kind of method for floating of high reliability, it uses flotation column, flotation by the following method There is chats collection portion, chats collection portion to be connected with distributor for column lower part, and chats collection portion, which collects the middle ore pulp of flotation column, converges Mode selection part is sent by pumping to after conjunction, mode selection part is connected with distributor, and distributor is connected to floating by multiple return pipes Select column, the interface of return pipe and flotation column is located at the top of chats collection portion, and mode selection part can return flotation column in chats It returns in modes of inflation and non-middling recurrence modes of inflation and switches.
More preferably, the feeding end of mode selection part is connected with pump, and discharge end is connected with distributor, is set in mode selection part There is a switching construction, for switching construction tool there are two land, respectively the first land and the second land, the diameter of the first land is less than the Two land diameters, the shell of mode selection part are divided into minor diameter and major diameter portion, this two parts respectively correspond to the first land and The center of second land, switching construction also has the channel that ore pulp flows through in confession;Chamber between first land and feeding end is the One chamber, the chamber between two land are the second chamber, and the chamber of the second land and discharge end is third chamber;Second land and discharge end it Between be equipped with stopper section, which determines the minimum space of third chamber;Mode selection part is also associated with charging portion, pressure-sensing Portion and muffler, switching construction in mode selection part there are two position, at first position, charging portion, pressure-sensing portion with First chamber is connected, and muffler is connected with the second chamber;When the second position, charging portion, pressure-sensing portion and muffler with the second chamber It is connected;Muffler is connected with jet plate 6.
More preferably, for flotation column in the case of normal work, return pipe feed back is smooth, and pump is sent into after middle ore pulp pressurizes Mode selection part, in mode selection part, middle ore pulp flows through from switching construction central passage and exits into distribution from discharge end Device, switching construction are pushed to first position, and charging portion is supplied to middle ore pulp, and pressure-sensing portion is in pressured state, muffler with Second chamber, which is connected, is in idle state.
More preferably, when at least one of return pipe is blocked, the middle ore pulp discharge of discharge end is unsmooth, at this moment discharge end Interior pressure increases, and middle ore pulp pushes away switching construction to feeding end, and switching construction is finally stablized in the second position, by the second ring Platform coordinates positioning jointly with minor diameter;Charging portion, pressure-sensing portion and muffler are connected with the second chamber, what charging portion was supplied High pressure gas is directly entered muffler, and is projected from jet plate, and flotation column is made to work on up to the flotation of ore pulp in flotation column Separation finishes, and pressure-sensing portion is triggered by pressure value decline, which is reached main controller.
More preferably, main controller sends out instruction to pump, makes it after obtaining the blocked signal sent out in pressure-sensing portion Pumping pressure is improved, and pump is worked at this pressure and is kept for a predetermined time, pumping pressure drops to initial pressure later, In this scheduled time, switching construction is pushed to first position from the second position, but its state is unstable, whole flotation column Irregular switching in both modes, after the step of being repeated as many times such boosting, decompression, main controller measuring pressure sense again The pressure value in survey portion illustrates that switching construction has been returned to first if its pressure rises to and stablizes in original state It sets, what the blocking of return pipe obtained solves or influenced to be down in acceptable range.
More preferably, main controller is pulsed buck to the control of pump.
Advantageous effect:
1)The present patent application has used mode selection part, has switching construction, the structure preferably right in mode selection part The working condition of flotation column is monitored, and is not only able to find the blocking of return pipe, moreover it is possible to automatically switch the flotation mould of flotation column Formula improves the reliability of flotation column;
2)The main controller of the flotation column of the application is right by the control of the pumping pressure to pump, boosting repeatedly and decompression Block part is impacted, no matter and flotation column can be carried out flotation in the flrst mode or in second mode, to real Online block part is handled now.
Description of the drawings
Fig. 1 is flotation column structural schematic diagram of the present invention.
Fig. 2 is the first state of mode selection part.
Fig. 3 is the second state of mode selection part.
In figure:1, flotation column;2, import;3, distributor;4, overflow port;5, return pipe;6, jet plate;7, chats is collected Portion;8, tunable pump;9, mode selection part;10, charging portion;11, pressure-sensing portion;12, the first chamber;13, the second chamber;14, third Chamber;15, feeding end;16, discharge end;17, the first land;18, the second land.
Specific implementation mode
As shown in Figure 1, flotation column 1 includes the import of feeding, the ore discharge outlet of bottom(Reference numeral is not provided), flotation column It is sent to model selection by pump 8 after there is chats collection portion 7, chats collection portion 7 to converge the middle ore pulp collection of flotation column lower part Portion 9, mode selection part 9 are connected with distributor 3, and middle ore pulp uniformly enters each return pipe by the distributional effects of distributor 3, And flotation column 1 is returned to, the interface of return pipe and flotation column 1 is located at the top of chats collection portion 7.
It can know from Fig. 2, the feeding end 15 of mode selection part 9 is connected with pump 8, and discharge end 16 is connected with distributor 3, mould There are two land, respectively the first land 17 and the second land 18, the diameters of the first land 17 for the switching construction tool of formula selector 9 Less than the second land diameter 18, the shell of mode selection part 9 is divided into minor diameter and major diameter portion, this two parts corresponds to the respectively The center of one land 17 and the second land 18, switching construction also has the channel that ore pulp flows through in confession.First land 17 and pan feeding Chamber between end 15 is the first chamber 12, and the chamber between two land is the second chamber, and the chamber of the second land 18 and discharge end 16 is the Three chambers 14.Second land 18 can be by minor diameter backstop, but will not resist discharge end 16 to the right to keep third chamber thorough It disappears, optional specific embodiment is equipped with stopper section between the second land 18 and discharge end 16, which determines third The minimum space of chamber 14.Mode selection part 9 is also associated with charging portion 10, pressure-sensing portion 11 and muffler, and switching construction is in mould There are two position in formula selector 9, when first position, charging portion 10, pressure-sensing portion 11 are connected with the first chamber 12, muffler and Second chamber 13 is connected;When the second position, charging portion 10, pressure-sensing portion 11 and muffler are connected with the second chamber 13.
Operation principle is explained as follows:For flotation column 1 in the case of normal work, return pipe feed back is smooth, pumps 8 by middle ore pulp Mode selection part 9 is sent into after pressurization, in mode selection part 9, middle ore pulp flows through from switching construction central passage and from discharge end 16 exit into distributor 3, and due to the Fluid pressure effect of middle slurry mine, switching construction is pushed to first position, charging portion 10 to Middle ore pulp gas supply, pressure-sensing portion 11 are in pressured state, and muffler is connected with the second chamber 13 is in idle state.
When at least one of return pipe is blocked, the middle ore pulp discharge of discharge end 16 is unsmooth, at this moment 16 internal pressure of discharge end Power increases, and middle ore pulp pushes away switching construction to feeding end 15, and switching construction is finally stablized in the second position, by the second land 18 coordinate positioning jointly with minor diameter.At this moment, charging portion 10, pressure-sensing portion 11 and muffler are connected with the second chamber 13, The high pressure gas that charging portion 10 is supplied is directly entered muffler, and is projected from jet plate 6, so that flotation column is worked on until flotation Flotation of ore pulp separation in column finishes, and pressure-sensing portion 11 is triggered by pressure value decline, which is reached master control Machine reminds operating personnel to pay attention to.
In this way, by mode selection part 9, flotation column is allow to carry out floating operation in both modes, when return pipe quilt Flotation column automatically switches to second mode when stifled, so that the flotation of flotation column is carried out complete, embodies higher reliability.
Further, the application also flotation column is not shut down online the blocking to return pipe 5 carry out cleaning propose creativeness Solution, specific as follows, main controller confirms that at least one return pipe is blocked after the signal for obtaining pressure-sensing portion 11, Then instruction is sent out to pump 8, so that it is improved pumping pressure, and pump 8 is worked at this pressure and is kept for a predetermined time, later Pumping pressure drops to initial pressure, and in this scheduled time, switching construction is pushed to first position, but its shape from the second position State is unstable, whole flotation column irregular switching in both modes, but no matter which kind of pattern, the operation all one of flotation Directly carrying out, after the step of being repeated as many times such boosting, decompression, the pressure value of main controller measuring pressure detecting part 11 again, If its pressure rises to and stablizes in original state, illustrate that switching construction has been returned to first position, return pipe 5 blocks up It fills in solving of obtaining or is influenced to be down in acceptable range.Preferred mode is that main controller is arteries and veins to the control of pump 8 Rush formula buck.
It is described above although the disclosed high reliability method for floating being related to is particularly described with reference to embodiment Embodiment is illustrative rather than restrictive, and without departing from the present invention, all change and modification are all Within protection scope of the present invention.

Claims (1)

1. a kind of method for floating with high reliability, it uses the ore discharges of flotation column, the import of the feeding on top, bottom to go out Mouthful;Flotation column lower part has chats collection portion(7), chats collection portion(7)With distributor(3)It is connected, chats collection portion(7)It will float Pass through pump after selecting the middle ore pulp collection of column to converge(8)It send to mode selection part(9), mode selection part(9)With distributor(3)Phase Even, distributor(3)It is connected to flotation column by multiple return pipes(1), middle ore pulp is by distributor( 3)Distributional effects it is uniform The each return pipe of entrance, and return to flotation column(1);Return pipe and flotation column(1)Interface be located at chats collection portion(7)'s Top, mode selection part can control the flotation pattern of flotation column, and mode selection part can inflate flotation column in middling recurrence Switch in pattern and non-middling recurrence modes of inflation;Mode selection part(9)Feeding end(15)With pump(8)It is connected, discharge end (16)With distributor(3)It is connected, mode selection part(9)Interior to be equipped with switching construction, switching construction tool is there are two land, and respectively the One land(17)With the second land(18), less than the second land diameter, the shell of mode selection part is divided into the diameter of the first land Minor diameter and major diameter portion, this two parts correspond to the first land and the second land respectively, and the center of switching construction, which also has, to be supplied The channel that middle ore pulp flows through;Chamber between first land and feeding end is the first chamber(12), the chamber between two land is second Chamber(13), the chamber of the second land and discharge end is third chamber(14);Stopper section, the backstop are equipped between second land and discharge end Portion determines third chamber(14)Minimum space;Mode selection part(9)It is also associated with charging portion(10), pressure-sensing portion(11)With Muffler, there are two positions in mode selection part for switching construction, at first position, charging portion, pressure-sensing portion and first Chamber is connected, and muffler is connected with the second chamber;When the second position, charging portion, pressure-sensing portion and muffler are connected with the second chamber; Muffler and jet plate(6)It is connected;When at least one of return pipe is blocked, the middle ore pulp discharge of discharge end is unsmooth, at this moment Pressure increases in discharge end, and middle ore pulp pushes away switching construction to feeding end, and switching construction is finally stablized in the second position, by Second land coordinates positioning jointly with minor diameter;Charging portion, pressure-sensing portion and muffler are connected with the second chamber, charging portion The high pressure gas supplied is directly entered muffler, and is projected from jet plate, and flotation column is in non-middling recurrence modes of inflation, makes to float Column is selected to work on until the flotation of ore pulp separation in flotation column finishes, and pressure-sensing portion is triggered by pressure value decline, it will The status signal reaches main controller and operating personnel is reminded to pay attention to;Pass through mode selection part(9), allow flotation column in both of which Lower carry out floating operation, when return pipe is blocked, flotation column automatically switches to second mode, so that the flotation of flotation column is carried out complete.
CN201510656460.4A 2014-04-11 2014-04-11 A kind of method for floating with high reliability Active CN105127005B (en)

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CN201410144444.2A CN103878070B (en) 2014-04-11 2014-04-11 A kind of method for floating of high reliability
CN201510656460.4A CN105127005B (en) 2014-04-11 2014-04-11 A kind of method for floating with high reliability

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CN201510656498.1A Active CN105170337B (en) 2014-04-11 2014-04-11 A kind of method for floating improving reliability
CN201510656499.6A Active CN105127006B (en) 2014-04-11 2014-04-11 A kind of method for floating for realizing high reliability
CN201510656460.4A Active CN105127005B (en) 2014-04-11 2014-04-11 A kind of method for floating with high reliability
CN201510656461.9A Active CN105127011B (en) 2014-04-11 2014-04-11 A kind of flotation mode selective structure
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CN110064522A (en) * 2019-05-30 2019-07-30 贵州大学 A kind of low-grade phosphate ore automatic control flotation unit

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CN105170337B (en) 2018-09-11
CN105170337A (en) 2015-12-23
CN105127011B (en) 2018-06-15
CN105127004B (en) 2019-03-05
CN103878070B (en) 2015-12-30
CN103878070A (en) 2014-06-25
CN105127006A (en) 2015-12-09
CN105127004A (en) 2015-12-09
CN105127006B (en) 2019-03-05
CN105127005A (en) 2015-12-09
CN105127011A (en) 2015-12-09

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