CN103878070A - Highly reliable floatation method - Google Patents
Highly reliable floatation method Download PDFInfo
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- CN103878070A CN103878070A CN201410144444.2A CN201410144444A CN103878070A CN 103878070 A CN103878070 A CN 103878070A CN 201410144444 A CN201410144444 A CN 201410144444A CN 103878070 A CN103878070 A CN 103878070A
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Abstract
The invention discloses a highly reliable floatation method. A mode selection part is adopted in the highly reliable floatation method. A switching structure is arranged in the mode selection part. The working state of the floatation pillar can be better monitored through the structure, blocking of a return pipe can be found and in addition, the floatation mode of the floatation pillar can be automatically switched to a non-middling circulation mode. Reliability of the floatation pillar is improved. A main control machine of the floatation pillar boosts and reduces pressure repeatedly by controlling the pumping pressure of a pump and impacts a blocked position. The floatation pillar can be used for carrying out floatation under either the first mode or the second mode, and therefore the blocked part is dealt with online.
Description
Technical field
The application relates to a kind of method for floating, switches thereby be specifically related to a kind of two cover floatation systems that use the method that guarantees flotation reliability.
Background technology
Flotation column has been the conventional equipment in flotation field, flotation column has chats loop structure conventionally, chats loop structure by not fully the chats of flotation again inflate and return in flotation column, existing chats loop structure wishes more uniformly ore pulp to be distributed, therefore adopt more return pipe, but thereby too much return pipe branch causes the less amount of returning that is adapted to chats of diameter of pipe, and inevitably there is return pipe clogging.
Especially effectively technical scheme does not overcome return pipe obstruction at present, first, return pipe is blocked in floatation process and is difficult to find, because flotation column is enclosure space, have a large amount of overflow foams at overfall place, these factors all cause being difficult to find the obstruction of return pipe; On the other hand, even if found that stopping up also not good way dredges, can only be shutdown maintenance.But the not ore pulp of complete sorting in flotation column can only be ended flotation and drain, and this has wasted 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 that in aforesaid prior art, return pipe stops up.
The present invention realizes by the following method, a kind of method for floating of high reliability, it has used 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 the middle ore pulp collection of flotation column is converged, mode selection part is connected with distributor, distributor is connected to flotation column by multiple return pipes, the interface of return pipe and flotation column is positioned at the top of chats collection unit, and mode selection part can return to modes of inflation and non-chats at chats by flotation column and switch in returning to modes of inflation.
More preferably, the feeding end of mode selection part is connected with pump, discharge end is connected with distributor, in mode selection part, be provided with switching construction, switching construction has two ring platforms, is respectively first ring platform and the second ring platform, the diameter of first ring platform is less than the second ring platform diameter, the shell of mode selection part is divided into minor diameter and major diameter portion, and these two parts are distinguished corresponding first ring platform and the second ring platform, and the center of switching construction also has the passage that in confession, ore pulp flows through; Chamber between first ring platform and feeding end is the first chamber, and the chamber between two ring platforms is the second chamber, and the chamber of the second ring platform and discharge end is the 3rd chamber; Between the second ring platform and discharge end, be provided with stopper section, the minimum space in the 3rd chamber has been determined in this stopper section; 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 in the time of primary importance, charging portion, pressure-sensing portion are connected with the first chamber, and muffler is connected with the second chamber; When the second place, charging portion, pressure-sensing portion and muffler are all connected with the second chamber; Muffler is connected with jet plate 6.
More preferably, flotation column is the in the situation that of normal work, return pipe feed back is smooth and easy, pump is by sending into mode selection part after middle ore pulp pressurization, and in mode selection part, middle ore pulp flows through and flows out and enter distributor from discharge end from switching construction central passage, 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 in idle state with the second chamber.
More preferably, blocked when at least one in return pipe, the middle ore pulp discharge of discharge end is not smooth, at this moment discharge end internal pressure increases, middle ore pulp pushes away switching construction to feeding end, and switching construction is finally stabilized in the second place, jointly coordinates location by the second ring platform 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 separates complete, and the value of the being stressed decline of pressure-sensing portion is triggered, this status signal is reached to main control computer.
More preferably, main control computer is obtaining after the blocked signal sending of pressure-sensing portion, send instruction to pump, make it improve pumping pressure, and pump is worked under 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 from the second place, but its state is unsettled, the erratic switching under two kinds of patterns of entirety flotation column, through such boosting repeatedly, after the step of step-down, main control computer is the force value of measuring pressure detecting part again, if its pressure rise to and be stabilized in original state, illustrate that switching construction has been returned to primary importance, the obstruction of return pipe obtain solve or its impact is down in acceptable scope.
More preferably, main control computer is pulsed buck to the control of pump.
Beneficial effect:
1) the present patent application has been used mode selection part, in mode selection part, have switching construction, this structure is monitored the duty of flotation column better, not only can find the obstruction of return pipe, can also the automatically switch flotation pattern of flotation column, has improved the reliability of flotation column;
2) main control computer of the application's flotation column is by the control of the pumping pressure to pump, boosting and step-down repeatedly, block part is impacted, no matter and flotation column can carry out flotation under first mode or in the second pattern, thereby realize online block part is being processed.
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, first ring platform; 18, the second ring platform.
The specific embodiment
As shown in Figure 1, flotation column 1 comprises the import of material loading, the ore discharge outlet (not providing Reference numeral) of bottom, flotation column bottom has chats collection unit 7, chats collection unit 7 is delivered to mode selection part 9 by pump 8 after the middle ore pulp collection of flotation column is converged, 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.
From Fig. 2, can know, 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 ring platforms, be respectively first ring platform 17 and the second ring platform 18, the diameter of first ring platform 17 is less than the second ring platform diameter 18, and the shell of mode selection part 9 is divided into minor diameter and major diameter portion, these two parts are distinguished corresponding first ring platform 17 and the second ring platform 18, and the center of switching construction also has the passage that in confession, ore pulp flows through.Chamber between first ring platform 17 and feeding end 15 is that the chamber between the ring platform of 12, two, the first chamber is the second chamber, and the second ring platform 18 is the 3rd chamber 14 with the chamber of discharge end 16.The second ring platform 18 can be by minor diameter backstop, thereby but also can not prop up discharge end 16 to the right, the 3rd chamber is thoroughly disappeared, optional specific embodiment is to be provided with stopper section between the second ring platform 18 and discharge end 16, and the minimum space in the 3rd chamber 14 has been determined in this stopper section.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 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; When 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 the in the situation that of normal work, return pipe feed back is smooth and easy, pump 8 will be sent into mode selection part 9 after middle ore pulp pressurization, in mode selection part 9, middle ore pulp flows through and flows out and enter distributor 3 from discharge end 16 from switching construction central passage, 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 in idle state with the second chamber 13.
When at least one in return pipe blocked, the middle ore pulp discharge of discharge end 16 is not smooth, and at this moment discharge end 16 internal pressures increase, and middle ore pulp pushes away switching construction to feeding end 15, and switching construction is finally stabilized in the second place, jointly coordinate location by the second ring platform 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 10 confessions of charging portion directly enter muffler, and penetrate from jet plate 6, flotation column is worked on until the flotation of ore pulp in flotation column separates complete, and 11 values of the being stressed declines of pressure-sensing portion are triggered, this status signal are reached to main control computer and remind operating personnel to note.
Like this, by mode selection part 9, make flotation column under two kinds of patterns, carry out floating operation, in the time that return pipe is blocked, flotation column automatically switches to the second pattern, makes the flotation of flotation column carry out completely, having embodied higher reliability.
Further, the application does not also shut down online the obstruction of return pipe 5 is cleared up and proposed creationary solution flotation column, specific as follows, main control computer is obtaining after the signal of pressure-sensing portion 11, confirm that at least one return pipe is blocked, then send instruction to pump 8, make it improve pumping pressure, and pump 8 is worked under 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 from the second place, but its state is unsettled, the erratic switching under two kinds of patterns of entirety flotation column, but no matter which kind of pattern, the operation of flotation is all being carried out always, through such boosting repeatedly, after the step of step-down, main control computer is the force value of measuring pressure detecting part 11 again, if its pressure rise to and be stabilized in original state, illustrate that switching construction has been returned to primary importance, the obstruction of return pipe 5 obtain solve or its impact is down in acceptable scope.Preferred mode is that main control computer is pulsed buck to the control of pump 8.
Although the disclosed high reliability method for floating relating to has been carried out to special description with reference to embodiment; embodiment described above is illustrative and not restrictive; without departing from the present invention, all variations and modification are all within protection scope of the present invention.
Claims (6)
1. the method for floating of a high reliability, it has used flotation column, flotation column bottom has chats collection unit (7), chats collection unit (7) is connected with distributor (3), chats collection unit (7) is delivered to mode selection part (9) by pump (8) after the middle ore pulp collection of flotation column is converged, mode selection part (9) is connected with distributor (3), distributor (3) is connected to flotation column (1) by multiple return pipes, the interface of return pipe and flotation column (1) is positioned at the top of chats collection unit (7), and mode selection part can be controlled the flotation pattern of flotation column.
2. method for floating according to claim 1, it is characterized in that: 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 ring platforms, be respectively first ring platform (17) and the second ring platform (18), the diameter of first ring platform is less than the second ring platform diameter, the shell of mode selection part is divided into minor diameter and major diameter portion, these two parts are corresponding first ring platform and the second ring platform respectively, the center of switching construction also has the passage that in confession, ore pulp flows through, chamber between first ring platform and feeding end is the first chamber (12), and the chamber between two ring platforms is the second chamber (13), and the chamber of the second ring platform and discharge end is the 3rd chamber (14), between the second ring platform and discharge end, be provided with stopper section, the minimum space in the 3rd chamber (14) has been determined in this stopper section, 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, and in the time of primary importance, charging portion, pressure-sensing portion are connected with the first chamber, and muffler is connected with the second chamber, when the second place, charging portion, pressure-sensing portion and muffler are all connected with the second chamber, muffler is connected with jet plate 6.
3. according to the method for floating described in claim 1-2, it is characterized in that: flotation column is the in the situation that of normal work, return pipe feed back is smooth and easy, pump will be sent into mode selection part after middle ore pulp pressurization, in mode selection part, middle ore pulp flows through and flows out and enter distributor from discharge end from switching construction central passage, switching construction is pushed to primary importance, charging portion is to middle ore pulp air feed, flotation column returns to modes of inflation in chats, pressure-sensing portion is in pressured state, and muffler is connected in idle state with the second chamber.
4. according to the method for floating described in claim 1-3, it is characterized in that: when at least one in return pipe blocked, the middle ore pulp discharge of discharge end is not smooth, at this moment discharge end internal pressure increases, middle ore pulp pushes away switching construction to feeding end, and switching construction is finally stabilized in the second place, jointly coordinate location by the second ring platform 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 returns to modes of inflation in non-chats, flotation column is worked on until the flotation of ore pulp in flotation column separates complete, and the value of the being stressed decline of pressure-sensing portion is triggered, this status signal is reached to main control computer.
5. according to the method for floating described in claim 1-4, it is characterized in that: main control computer is obtaining after the blocked signal sending of pressure-sensing portion, send instruction to pump, make it improve pumping pressure, and pump is worked under 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 from the second place, but its state is unsettled, the erratic switching under two kinds of patterns of entirety flotation column, through such boosting repeatedly, after the step of step-down, main control computer is the force value of measuring pressure detecting part again, if its pressure rise to and be stabilized in original state, illustrate that switching construction has been returned to primary importance, the obstruction of return pipe obtain solve or its impact is down in acceptable scope.
6. according to the flotation column described in claim 1-5, it is characterized in that: main control computer is pulsed buck to the control of pump.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656498.1A CN105170337B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating improving reliability |
| CN201510656461.9A CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
| 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 |
| CN201510656499.6A CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
| CN201510656445.XA CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144444.2A CN103878070B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating of high reliability |
Related Child Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510656498.1A Division CN105170337B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating improving reliability |
| CN201510656499.6A Division CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
| CN201510656460.4A Division CN105127005B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating with high reliability |
| CN201510656445.XA Division CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
| CN201510656461.9A Division CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103878070A true CN103878070A (en) | 2014-06-25 |
| CN103878070B CN103878070B (en) | 2015-12-30 |
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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 |
| CN201510656499.6A Active CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
| CN201510656461.9A Active CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
| CN201510656498.1A Active CN105170337B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating improving reliability |
| CN201510656460.4A Active CN105127005B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating with high reliability |
| CN201510656445.XA Active CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
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| CN201510656499.6A Active CN105127006B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating for realizing high reliability |
| CN201510656461.9A Active CN105127011B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation mode selective structure |
| CN201510656498.1A Active CN105170337B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating improving reliability |
| CN201510656460.4A Active CN105127005B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating with high reliability |
| CN201510656445.XA Active CN105127004B (en) | 2014-04-11 | 2014-04-11 | A kind of method for floating reaching high reliability |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103878070B (en) * | 2014-04-11 | 2015-12-30 | 衢州市科诚技术开发有限公司 | A kind of method for floating of high reliability |
| 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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- 2014-04-11 CN CN201410144444.2A patent/CN103878070B/en active Active
- 2014-04-11 CN CN201510656499.6A patent/CN105127006B/en active Active
- 2014-04-11 CN CN201510656461.9A patent/CN105127011B/en active Active
- 2014-04-11 CN CN201510656498.1A patent/CN105170337B/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105170337A (en) | 2015-12-23 |
| CN105127004A (en) | 2015-12-09 |
| CN103878070B (en) | 2015-12-30 |
| CN105127005B (en) | 2018-09-21 |
| CN105170337B (en) | 2018-09-11 |
| CN105127005A (en) | 2015-12-09 |
| CN105127011B (en) | 2018-06-15 |
| CN105127006A (en) | 2015-12-09 |
| CN105127004B (en) | 2019-03-05 |
| CN105127006B (en) | 2019-03-05 |
| CN105127011A (en) | 2015-12-09 |
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