CN105127006A - Flotation method realizing high reliability - Google Patents
Flotation method realizing high reliability Download PDFInfo
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- CN105127006A CN105127006A CN201510656499.6A CN201510656499A CN105127006A CN 105127006 A CN105127006 A CN 105127006A CN 201510656499 A CN201510656499 A CN 201510656499A CN 105127006 A CN105127006 A CN 105127006A
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- pressure
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- chamber
- flotation column
- mode selection
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Abstract
The application of the invention discloses a flotation method realizing high reliability. According to the flotation method, a pattern selection part is used, and the pattern selection part has a switching structure which is capable of monitoring the work state of a flotation column preferably and is capable of not only finding the blocking of a return pipe but also automatically switching the flotation pattern of the flotation column to non-middlings circulation pattern, thereby improving the reliability of the flotation column; the main control machine of the flotation column is used for impacting the blocking part through control of pumping pressure of a pump to carry out repeated boosting and depressurizing, and the flotation column can perform flotation in a first pattern or a second pattern, thereby realizing on-line treatment of the blocking part.
Description
The present invention is the divisional application of patent of invention " a kind of method for floating of high reliability ", 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 method for floating of high reliability ".
Technical field
The application relates to a kind of method for floating, is specifically related to a kind of use two cover floatation system and carries out switching thus ensure the method for flotation reliability.
Background technology
Flotation column has been the conventional equipment in flotation field, flotation column has middling cycle structure usually, the chats of not fully flotation is inflated and is returned in flotation column by middling cycle structure again, existing middling cycle structure wishes to be distributed by ore pulp more uniformly, therefore more return pipe is adopted, but too much return pipe branch causes the diameter of pipe less thus is adapted to the back amount of chats, and inevitably occurs return pipe clogging.
Not effective especially technical scheme overcomes return pipe blocking at present, first, return pipe is blocked in floatation process and is difficult to find, because flotation column is enclosure space, there is a large amount of overflow foams at overfall place, these factors all cause the blocking being difficult to find return pipe; On the other hand, even if found that blocking also not good way dredges, can only be shutdown maintenance.But the ore pulp of the not sorting completely in flotation column can only stop flotation and drain, and this wastes valuable mineral resources undoubtedly.
Summary of the invention
The object of the present invention is to provide a kind of method for floating of high reliability, solve the problem of return pipe blocking in aforesaid prior art.
The present invention realizes by the following method, a kind of method for floating of high reliability, it use flotation column, flotation column bottom has chats collection unit, chats collection unit is connected with distributor, chats collection unit is sent by pumping to mode selection part after being collected by ore pulp in flotation column and converging, mode selection part is connected with distributor, distributor is connected to flotation column by multiple return pipe, the interface of return pipe and flotation column is positioned at the top of chats collection unit, and flotation column can switch by mode selection part in middling recurrence modes of inflation and non-middling recurrence modes of inflation.
Be more preferably, the feeding end of mode selection part is connected with pump, discharge end is connected with distributor, be provided with switching construction in mode selection part, switching construction has two land, is respectively the first land and the second land, the diameter of the first land is less than the second land diameter, the shell of mode selection part is divided into minor diameter and large-diameter portion, and these two parts distinguish corresponding first land and the second land, and the center of switching construction also has the passage that in confession, ore pulp flows through; Chamber between first land and feeding end is the first chamber, and the chamber between two land is the second chamber, and the chamber of the second land and discharge end is the 3rd chamber; Be provided with stopper section between second land and discharge end, this stopper section determines the minimum space in the 3rd chamber; Mode selection part is also connected with charging portion, pressure-sensing portion and muffler, and switching construction has two positions in mode selection part, and when primary importance, charging portion, pressure-sensing portion are connected with the first chamber, and muffler is connected with the second chamber; During the second place, charging portion, pressure-sensing portion and muffler are all connected with the second chamber; Muffler is connected with jet plate 6.
Be more preferably, flotation column is when normal work, return pipe feed back is smooth and easy, pump sends after middle ore pulp pressurization into mode selection part, and in mode selection part, middle ore pulp flows through from switching construction central passage and flows out from discharge end and enters distributor, switching construction is pushed to primary importance, charging portion is to middle ore pulp air feed, and pressure-sensing portion is in pressured state, and muffler is connected with the second chamber and is in idle state.
Be more preferably, when at least one in return pipe is blocked, the middle ore pulp discharge of discharge end is not smooth, at this moment in discharge end, pressure increases, switching construction pushes away to feeding end by middle ore pulp, and switching construction is finally stabilized in the second place, jointly coordinates location by the second land with minor diameter; Charging portion, pressure-sensing portion and muffler are all connected with the second chamber, charging portion the gases at high pressure of confession directly enter muffler, and penetrate from jet plate, flotation column is worked on until the flotation of ore pulp in flotation column is separated complete, and pressurized force value decline in pressure-sensing portion is triggered, this status signal is reached main control computer.
Be more preferably, main control computer is after obtaining the blocked signal sent in pressure-sensing portion, instruction is sent to pump, it is made to improve pumping pressure, and pump is worked at this pressure a scheduled time of maintenance, pumping pressure drops to initial pressure afterwards, in this predetermined time, switching construction is pushed to primary importance by from the second place, but its state is unstable, the erratic switching in both modes of overall flotation column, through repeatedly such boosting, after the step of step-down, the force value of main control computer measuring pressure detecting part again, if its pressure increase to and be stabilized in original state, then illustrate that switching construction is returned to primary importance, the blocking of return pipe obtains solve or affected is down in acceptable scope.
Be more preferably, main control computer is pulsed buck to the control of pump.
Beneficial effect:
1) the present patent application employs mode selection part, have switching construction in mode selection part, this structure is monitored the duty of flotation column better, not only can find the blocking of return pipe, can also be automatically switched the flotation pattern of flotation column, improves the reliability of flotation column;
2) main control computer of the flotation column of the application is by the control to the pumping pressure of pump, boosting repeatedly and step-down, block part is impacted, no matter and flotation column in the flrst mode or the second pattern can be carried out flotation, thus realize processing block part online.
Accompanying drawing explanation
Fig. 1 is flotation column structural representation 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, overfall; 5, return pipe; 6, jet plate; 7, chats collection unit; 8, tunable pump; 9, mode selection part; 10, charging portion; 11, pressure-sensing portion; 12, the first chamber; 13, the second chamber; 14, the 3rd chamber; 15, feeding end; 16, discharge end; 17, the first land; 18, the second land.
Detailed description of the invention
As shown in Figure 1, flotation column 1 comprises the import of material loading, ore discharge outlet (not providing Reference numeral) of bottom, flotation column bottom has chats collection unit 7, chats collection unit 7 delivers to mode selection part 9 by pump 8 after being collected by ore pulp in flotation column and converging, and mode selection part 9 is connected with distributor 3, and middle ore pulp enters each return pipe uniformly through the distributional effects of distributor 3, and get back to flotation column 1, the interface of return pipe and flotation column 1 is positioned at the top of chats collection unit 7.
Can know from Fig. 2, the feeding end 15 of mode selection part 9 is connected with pump 8, discharge end 16 is connected with distributor 3, the switching construction of mode selection part 9 has two land, the diameter being respectively the first land 17 and the second land 18, first land 17 is less than the second land diameter 18, and the shell of mode selection part 9 is divided into minor diameter and large-diameter portion, these two parts distinguish corresponding first land 17 and the second land 18, and the center of switching construction also has the passage that in confession, ore pulp flows through.Chamber between first land 17 and feeding end 15 is the chamber between the land of 12, two, the first chamber is the second chamber, and the second land 18 is the 3rd chamber 14 with the chamber of discharge end 16.Second land 18 can by minor diameter backstop, but also can not prop up to the right discharge end 16 thus the 3rd chamber is thoroughly disappeared, optional specific embodiment is be provided with stopper section between the second land 18 and discharge end 16, and this stopper section determines the minimum space in the 3rd chamber 14.Mode selection part 9 is also connected with charging portion 10, pressure-sensing portion 11 and muffler, and switching construction has two positions in mode selection part 9, and during primary importance, charging portion 10, pressure-sensing portion 11 are connected with the first chamber 12, and muffler is connected with the second chamber 13; During the second place, charging portion 10, pressure-sensing portion 11 and muffler are all connected with the second chamber 13.
Operation principle is explained as follows: flotation column 1 is when normal work, return pipe feed back is smooth and easy, pump 8 sends after middle ore pulp pressurization into mode selection part 9, in mode selection part 9, middle ore pulp flows through from switching construction central passage and flows out from discharge end 16 and enters distributor 3, due to the fluid pressure action in middle slurry ore deposit, switching construction is pushed to primary importance, charging portion 10 is to middle ore pulp air feed, and pressure-sensing portion 11 is in pressured state, and muffler is connected with the second chamber 13 and is in idle state.
When at least one in return pipe is blocked, the middle ore pulp discharge of discharge end 16 is not smooth, and at this moment in discharge end 16, pressure increases, and switching construction pushes away to feeding end 15 by middle ore pulp, and switching construction is finally stabilized in the second place, jointly coordinate location by the second land 18 with minor diameter.At this moment, charging portion 10, pressure-sensing portion 11 and muffler are all connected with the second chamber 13, the gases at high pressure of charging portion 10 confessions directly enter muffler, and penetrate from jet plate 6, flotation column is worked on until the flotation of ore pulp in flotation column is separated complete, and pressurized force value decline in pressure-sensing portion 11 is triggered, this status signal is reached main control computer and remind operating personnel to note.
Like this, by mode selection part 9, make flotation column can carry out floating operation in both modes, when return pipe is blocked, flotation column automatically switches to the second pattern, makes the flotation of flotation column carry out completely, embodying higher reliability.
Further, the application does not also shut down online flotation column and carries out cleaning to the blocking of return pipe 5 and propose creationary solution, specific as follows, main control computer is after the signal obtaining pressure-sensing portion 11, confirm that at least one return pipe is blocked, then instruction is sent to pump 8, it is made to improve pumping pressure, and pump 8 is worked at this pressure a scheduled time of maintenance, pumping pressure drops to initial pressure afterwards, in this predetermined time, switching construction is pushed to primary importance by from the second place, but its state is unstable, the erratic switching in both modes of overall flotation column, but regardless of which kind of pattern, the operation of flotation is being carried out all always, through repeatedly such boosting, after the step of step-down, the force value of main control computer measuring pressure detecting part 11 again, if its pressure increase to and be stabilized in original state, then illustrate that switching construction is returned to primary importance, the blocking of return pipe 5 obtains solve or affected is down in acceptable scope.Preferred mode is, main control computer is pulsed buck to the control of pump 8.
Although carried out special description with reference to embodiment to the disclosed high reliability method for floating related to; embodiment described above is illustrative and not restrictive; without departing from the present invention, all changes and amendment are all within protection scope of the present invention.
Claims (3)
1. one kind realizes the method for floating of high reliability, it use flotation column, flotation column bottom has chats collection unit (7), chats collection unit (7) is connected with distributor (3), chats collection unit (7) delivers to mode selection part (9) by pump (8) after being collected by ore pulp in flotation column and converging, mode selection part (9) is connected with distributor (3), distributor (3) is connected to flotation column (1) by multiple return pipe, the interface of return pipe and flotation column (1) is positioned at the top of chats collection unit (7), mode selection part can control the flotation pattern of flotation column, the feeding end (15) of mode selection part (9) is connected with pump (8), discharge end (16) is connected with distributor (3), mode selection part is provided with switching construction in (9), switching construction has two land, be respectively the first land (17) and the second land (18), the diameter of the first land is less than the second land diameter, the shell of mode selection part is divided into minor diameter and large-diameter portion, these two parts are corresponding first land and the second land respectively, the center of switching construction also has the passage that in confession, ore pulp flows through, chamber between first land and feeding end is the first chamber (12), and the chamber between two land is the second chamber (13), and the chamber of the second land and discharge end is the 3rd chamber (14), be provided with stopper section between second land and discharge end, this stopper section determines the minimum space in the 3rd chamber (14), mode selection part (9) is also connected with charging portion (10), pressure-sensing portion (11) and muffler, switching construction has two positions in mode selection part (9), when primary importance, charging portion (10), pressure-sensing portion (11) are connected with the first chamber (12), and muffler is connected with the second chamber (13), during the second place, charging portion (10), pressure-sensing portion (11) and muffler are all connected with the second chamber (13), muffler is connected with jet plate (6), flotation column is when normal work, return pipe (5) feed back is smooth and easy, pump (8) sends after middle ore pulp pressurization into mode selection part, in mode selection part (9), middle ore pulp flows through from switching construction central passage and flows out from discharge end (16) and enters distributor (3), switching construction is pushed to primary importance, charging portion (10) is to middle ore pulp air feed, flotation column is in middling recurrence modes of inflation, pressure-sensing portion (12) is in pressured state, and muffler is connected with the second chamber (13) and is in idle state, when at least one in return pipe (5) is blocked, the middle ore pulp discharge of discharge end is not smooth, at this moment discharge end (16) interior pressure increases, switching construction pushes away to feeding end (15) by middle ore pulp, and switching construction is finally stabilized in the second place, jointly coordinate location by the second land (18) with minor diameter, charging portion, pressure-sensing portion (12) and muffler are all connected with the second chamber (13), charging portion the gases at high pressure of confession directly enter muffler, and penetrate from jet plate, flotation column is in non-middling recurrence modes of inflation, flotation column is worked on until the flotation of ore pulp in flotation column is separated complete, and the decline of pressure-sensing portion (11) pressurized force value is triggered, this status signal is reached main control computer.
2. method for floating according to claim 1, it is characterized in that: main control computer is after obtaining the blocked signal sent in pressure-sensing portion (11), instruction is sent to pump (8), it is made to improve pumping pressure, and pump (8) is worked a scheduled time of maintenance at this pressure, pumping pressure drops to initial pressure afterwards, in this predetermined time, switching construction is pushed to primary importance by from the second place, but its state is unstable, the erratic switching in both modes of overall flotation column, through repeatedly such boosting, after the step of step-down, the force value of main control computer measuring pressure detecting part again, if its pressure increase to and be stabilized in original state, then illustrate that switching construction is returned to primary importance, the blocking of return pipe obtains solve or affected is down in acceptable scope.
3. the method for floating according to claim 1-2, is characterized in that: main control computer is pulsed buck to the control of pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656499.6A CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656499.6A CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
| CN201410144444.2A CN103878070B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating of high reliability |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410144444.2A Division CN103878070B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating of high reliability |
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| Publication Number | Publication Date |
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| CN105127006A true CN105127006A (en) | 2015-12-09 |
| CN105127006B CN105127006B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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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 |
| CN201410144444.2A Active CN103878070B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating of high reliability |
| CN201510656445.XA Active CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
| CN201510656461.9A Active CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
| CN201510656460.4A Active CN105127005B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating with high reliability |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510656498.1A Active CN105170337B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating improving reliability |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410144444.2A Active CN103878070B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating of high reliability |
| CN201510656445.XA Active CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
| CN201510656461.9A Active CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
| CN201510656460.4A Active CN105127005B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating with high reliability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127004A (en) * | 2014-04-11 | 2015-12-09 | 衢州市优德工业设计有限公司 | High-reliability floatation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Also Published As
| Publication number | Publication date |
|---|---|
| CN105127011B (en) | 2018-06-15 |
| CN105127005B (en) | 2018-09-21 |
| CN105127004A (en) | 2015-12-09 |
| CN105170337B (en) | 2018-09-11 |
| CN105127004B (en) | 2019-03-05 |
| CN105170337A (en) | 2015-12-23 |
| CN103878070B (en) | 2015-12-30 |
| CN105127006B (en) | 2019-03-05 |
| CN105127011A (en) | 2015-12-09 |
| CN105127005A (en) | 2015-12-09 |
| CN103878070A (en) | 2014-06-25 |
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