CN105880036A - High-reliability flotation column - Google Patents
High-reliability flotation column Download PDFInfo
- Publication number
- CN105880036A CN105880036A CN201610386576.5A CN201610386576A CN105880036A CN 105880036 A CN105880036 A CN 105880036A CN 201610386576 A CN201610386576 A CN 201610386576A CN 105880036 A CN105880036 A CN 105880036A
- Authority
- CN
- China
- Prior art keywords
- land
- pressure
- chamber
- flotation column
- mode selection
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Paper (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a high-reliability flotation column which uses a mode selecting part; a switching mechanism is arranged in the mode selecting part; the structure can monitor a working state of the flotation column better, so that blockage of a slurry return pipe can be found, and a floatation mode of the floatation column can be automatically switched to a non-middling circulating mode, so that the reliability of the flotation column is improved; a master controller of the flotation column controls pumping pressure of a pump to repeatedly boost pressure and reduce pressure for impacting a blocked part; and the floatation column can carry out flotation in a first mode and a second mode, so that the blocked part is processed on line.
Description
The present invention is the divisional application of patent of invention " a kind of high reliability flotation column ", and the applying date of original application is 2014
April 11, the application number of original application is 2014101442108, and the invention and created name of original application is " a kind of high reliability flotation
Post ".
Technical field
The application relates to the equipment in a kind of flotation field, is specifically related to a kind of flotation column with two set inflatable structures.
Background technology
Flotation column has been the conventional equipment in flotation field, and flotation column is generally of middling cycle structure, middling cycle structure
Again being inflated by the chats of not fully flotation in return flotation column, existing middling cycle structure is wished more uniform by ore pulp
Distribution, therefore uses more return pipe, but too much return pipe branch causes the diameter of pipe less thus is adapted to chats
Back amount, and return pipe clogging inevitably occurs.
Overcoming return pipe to block currently without particularly effective technical scheme, first, return pipe is blocked in floatation process
In be difficult to find because flotation column for close space, at overfall, there is substantial amounts of overflow foam, these factors result in difficulty
In the blocking finding return pipe；On the other hand, even if being found that the best way of blocking is dredged, can only be to shut down dimension
Repair.But the ore pulp sorted the most completely in flotation column can only stop flotation and drain, this wastes the mineral resources of preciousness undoubtedly.
Summary of the invention
It is an object of the invention to provide the flotation column of a kind of high reliability, solve return pipe in aforesaid prior art
The problem of blocking.
The present invention realizes by the following method, a kind of high reliability flotation column, and it includes the import of feeding, bottom
Ore discharge exports, and flotation column bottom has chats collection portion, and chats collection portion is connected with distributor, and distributor passes through multiple return pipes
The interface being connected to flotation column, return pipe and flotation column is positioned at the top in chats collection portion.
More preferably, chats collection portion is sent by pumping to mode selection part, mould after being collected by the middle ore pulp of flotation column and converging
Formula selection portion is connected with distributor.
More preferably, the feeding end of mode selection part is connected with pump, and discharge end is connected with distributor, sets in mode selection part
Having switching construction, switching construction to have two land, the respectively 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 is divided into minor diameter and major diameter portion, these two parts corresponding first land respectively and
Second land, the center of switching construction also has the passage that in confession, ore pulp flows through；Chamber between first land and feeding end is
One chamber, the chamber between two land is the second chamber, and the second land is the 3rd chamber with the chamber of discharge end；Second land and discharge end it
Between be provided with stopper section, this stopper section determines the minimum space in the 3rd chamber；Mode selection part is also associated with charging portion, pressure-sensing
Portion and muffler, switching construction has two positions in mode selection part, when primary importance, charging portion, pressure-sensing portion with
First chamber is connected, and muffler and the second chamber are connected；During the second place, charging portion, pressure-sensing portion and muffler all with the second chamber
It is connected；Muffler is connected with jet plate.
More preferably, flotation column is in the case of normal work, and return pipe feed back is smooth and easy, and pump is sent into after being pressurizeed by middle ore pulp
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 is pushed to primary importance, and charging portion supplies to middle ore pulp, and pressure-sensing portion is in pressured state, muffler with
Second chamber is connected and is in idle state.
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 discharge end
Interior pressure increases, and switching construction is pushed away by middle ore pulp to feeding end, and switching construction is finally stable in the second place, by the second ring
Platform jointly coordinates location with minor diameter；Charging portion, pressure-sensing portion and muffler be all connected with the second chamber, charging portion confession
Gases at high pressure are directly entered muffler, and penetrate from jet plate, make flotation column work on until flotation of ore pulp in flotation column
Separate complete, and pressurized force value decline in pressure-sensing portion is triggered, and this status signal is reached main control computer.
More preferably, main control computer, after obtaining the blocked signal sent in pressure-sensing portion, sends instruction to pump so that it is
Improving pumping pressure, and worked at this pressure one scheduled time of holding by pump, 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 unstable, overall flotation column
The most erratic switching, through the most such boosting, step-down step after, main control computer measuring pressure sense again
The force value in survey portion, if its pressure rises to and stablizes in original state, then explanation switching construction has been returned to first
Putting, what the blocking of return pipe 5 obtained solves or is affected to be down in acceptable scope.
More preferably, main control computer is pulsed buck to the control of pump.
Beneficial effect:
1) the present patent application employs mode selection part, has switching construction in mode selection part, and this structure is preferably to flotation
The duty of post is monitored, and is not only able to find the blocking of return pipe, moreover it is possible to the flotation pattern of automatic switchover flotation column, carries
The high reliability of flotation column；
2) main control computer of the flotation column of the application is by the control of the pumping pressure to pump, and boosting repeatedly and step-down, to blocking
Position is impacted, no matter and flotation column in the flrst mode or can be carried out flotation in the second pattern, thus realize existing
Online block part is 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 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, the 3rd
Chamber；15, feeding end；16, discharge end；17, the first land；18, the second land.
Detailed description of the invention
As it is shown in figure 1, flotation column 1 includes the import of feeding, ore discharge outlet (not providing reference) of bottom, flotation column
Bottom has chats collection portion 7, and the middle ore pulp of flotation column is collected after converging and delivered to model selection by pump 8 by chats collection portion 7
Portion 9, mode selection part 9 is connected with distributor 3, and middle ore pulp uniformly enters each return pipe through the distributional effects of distributor 3,
And the interface returning to flotation column 1, return pipe and flotation column 1 is positioned at the top in chats collection portion 7.
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
The switching construction in formula selection portion 9 has two land, the respectively first land 17 and the second land 18, the diameter of the first land 17
Less than the second land diameter 18, the shell of mode selection part 9 is divided into minor diameter and major diameter portion, these two parts the most corresponding the
One land 17 and the second land 18, the center of switching construction also has the passage that in confession, ore pulp flows through.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 chambeies 14.Second land 18 by minor diameter backstop, but also will not can prop up to the right discharge end 16 so that the 3rd chamber is thorough
Disappearing, optional specific embodiment is to be provided with stopper section between the second land 18 and discharge end 16, and this stopper section determines the 3rd
The minimum space in chamber 14.Mode selection part 9 is also associated with charging portion 10, and pressure-sensing portion 11 and muffler, switching construction is at mould
Having two positions in formula selection portion 9, during primary importance, charging portion 10, pressure-sensing portion 11 are connected with the first chamber 12, muffler with
Second chamber 13 is connected；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 in the case of normal work, and return pipe feed back is smooth and easy, and pump 8 is by middle ore pulp
Sending into mode selection part 9 after pressurization, in mode selection part 9, middle ore pulp flows through and from discharge end from switching construction central passage
16 exit into distributor 3, and due to the fluid pressure effect in middle slurry ore deposit, switching construction is pushed to primary importance, charging portion 10 to
Middle ore pulp supplies, and pressure-sensing portion 11 is in pressured state, and muffler and the second chamber 13 are connected and are in idle state.
When at least one in return pipe is blocked, the middle ore pulp discharge of discharge end 16 is not smooth, at this moment discharge end 16 internal pressure
Power increases, and switching construction is pushed away by middle ore pulp to feeding end 15, and switching construction is finally stable in the second place, by the second land
18 jointly coordinate location 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 are directly entered muffler, and penetrate from jet plate 6, make flotation column work on until flotation
Flotation of ore pulp in post separates complete, and pressurized force value decline in pressure-sensing portion 11 is triggered, and this status signal is reached master control
Machine reminds operating personnel to note.
So, by mode selection part 9, make flotation column can carry out floating operation in both modes, when return pipe quilt
Time stifled, flotation column automatically switches to the second pattern, makes the flotation of flotation column carry out completely, embodying higher reliability.
Further, flotation column is not also the most shut down the blocking to return pipe 5 and is carried out cleaning and propose creativeness by the application
Solution, specific as follows, main control computer, after the signal obtaining pressure-sensing portion 11, confirms that at least one return pipe is blocked,
Then instruction is sent to pump 8 so that it is improve pumping pressure, and worked at this pressure one scheduled time of holding by pump 8, afterwards
Pumping pressure drops to initial pressure, and in this predetermined time, switching construction is pushed to primary importance from the second place, but its shape
State is unstable, the overall the most erratic switching of flotation column, but regardless of which kind of pattern, the operation of flotation all
Directly carrying out, through the most such boosting, step-down step after, the force value of main control computer measuring pressure detecting part 11 again,
If its pressure rises to and stablizes in original state, then explanation switching construction has been returned to primary importance, blocking up of return pipe 5
What plug obtained solves or is affected to be down in acceptable scope.Preferably mode is that main control computer is arteries and veins to the control of pump 8
Rush formula buck.
Although the disclosed high reliability flotation column related to being particularly described with reference to embodiment, reality described above
It is illustrative and not restrictive for executing example, and without departing from the present invention, all of changing and modifications all exists
Within protection scope of the present invention.
Claims (3)
1. high reliability flotation column (1), it includes the import (2) of feeding, the ore discharge outlet of bottom, it is characterised in that flotation column
Bottom has chats collection portion (7), and chats collection portion (7) is connected with distributor (3), and distributor (3) is by multiple return pipes even
The interface receiving flotation column (1), return pipe and flotation column (1) is positioned at the top in chats collection portion (7), and chats collection portion (7) will
The middle ore pulp of flotation column is collected after converging and is delivered to mode selection part (9), mode selection part (9) and distributor (3) phase by pump (8)
Even；Main control computer, after obtaining the blocked signal sent in pressure-sensing portion, sends instruction to pump so that it is improve pumping pressure,
And pump is worked one scheduled time of holding at this pressure, pumping pressure drops to initial pressure afterwards, this predetermined time
In, switching construction is pushed to primary importance from the second place, but its state is unstable, and overall flotation column is in both modes
Erratic switching, through the most such boosting, step-down step after, the pressure of main control computer measuring pressure detecting part again
Value, if its pressure rises to and stablizes in original state, then explanation switching construction has been returned to primary importance, return pipe 5
Blocking obtain solve or affected be down in acceptable scope.
High reliability flotation column the most according to claim 1, it is characterised in that: the feeding end (15) of mode selection part (9)
Being connected with pump (8), discharge end (16) is connected with distributor (3), is provided with switching construction in mode selection part (9), and switching construction has
Having two land, the respectively first land (17) and the second land (18), the diameter of the first land is less than the second land diameter, mould
The shell in formula selection portion is divided into minor diameter and major diameter portion, these two parts corresponding first land and the second land respectively, switching
The center of structure also has the passage that in confession, ore pulp flows through；Chamber between first land and feeding end is the first chamber (12), two
Chamber between land is the second chamber (13), and the second land is the 3rd chamber (14) with the chamber of discharge end；Second land and discharge end it
Between be provided with stopper section, this stopper section determines the minimum space in the 3rd chamber (14)；Mode selection part (9) is also associated with charging portion
(10), pressure-sensing portion (11) and muffler, switching construction has two positions in mode selection part, when primary importance, fills
Gas portion, pressure-sensing portion are connected with the first chamber, and muffler and the second chamber are connected；During the second place, charging portion, pressure-sensing portion and
Muffler is all connected with the second chamber；Muffler is connected with jet plate (6).
3. according to the high reliability flotation column described in claim 1 and 2, it is characterised in that: main control computer is pulse to the control of pump
Formula buck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610386576.5A CN105880036B (en) | 2014-04-11 | 2014-04-11 | High reliability flotation column |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410144210.8A CN103878074B (en) | 2014-04-11 | 2014-04-11 | A kind of high reliability flotation column |
| CN201610386576.5A CN105880036B (en) | 2014-04-11 | 2014-04-11 | High reliability flotation column |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410144210.8A Division CN103878074B (en) | 2014-04-11 | 2014-04-11 | A kind of high reliability flotation column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105880036A true CN105880036A (en) | 2016-08-24 |
| CN105880036B CN105880036B (en) | 2019-03-05 |
Family
ID=50947393
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610386576.5A Active CN105880036B (en) | 2014-04-11 | 2014-04-11 | High reliability flotation column |
| CN201610386570.8A Active CN106000661B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation column of high reliability |
| CN201410144210.8A Expired - Fee Related CN103878074B (en) | 2014-04-11 | 2014-04-11 | A kind of high reliability flotation column |
| CN201610386582.0A Active CN105797871B (en) | 2014-04-11 | 2014-04-11 | flotation column |
| CN201610386581.6A Active CN105964418B (en) | 2014-04-11 | 2014-04-11 | The flotation column of high reliability |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610386570.8A Active CN106000661B (en) | 2014-04-11 | 2014-04-11 | A kind of flotation column of high reliability |
| CN201410144210.8A Expired - Fee Related CN103878074B (en) | 2014-04-11 | 2014-04-11 | A kind of high reliability flotation column |
| CN201610386582.0A Active CN105797871B (en) | 2014-04-11 | 2014-04-11 | flotation column |
| CN201610386581.6A Active CN105964418B (en) | 2014-04-11 | 2014-04-11 | The flotation column of high reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105880036B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105880036B (en) * | 2014-04-11 | 2019-03-05 | 衢州市优德工业设计有限公司 | High reliability flotation column |
| CN108459626A (en) * | 2017-09-21 | 2018-08-28 | 湖北博南科技有限公司 | The devices and methods therefor of Packed flotation column liquid level is automatically controlled based on pressure difference |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105880036B (en) | 2019-03-05 |
| CN105964418B (en) | 2018-02-02 |
| CN105797871A (en) | 2016-07-27 |
| CN106000661A (en) | 2016-10-12 |
| CN105797871B (en) | 2018-02-27 |
| CN105964418A (en) | 2016-09-28 |
| CN103878074B (en) | 2016-08-03 |
| CN106000661B (en) | 2018-03-09 |
| CN103878074A (en) | 2014-06-25 |
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