CN109746126A - A kind of floatation mineralizing device release head - Google Patents
A kind of floatation mineralizing device release head Download PDFInfo
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- CN109746126A CN109746126A CN201910040348.6A CN201910040348A CN109746126A CN 109746126 A CN109746126 A CN 109746126A CN 201910040348 A CN201910040348 A CN 201910040348A CN 109746126 A CN109746126 A CN 109746126A
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- cone
- release head
- conical nozzle
- tapered shunting
- nozzle
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Abstract
The present invention relates to mineral floating equipment technical fields, specifically disclose a kind of floatation mineralizing device release head.The floatation mineralizing device release head includes release head bracket, trunnion is provided on release head bracket, the lower end nozzle of trunnion is up-small and down-big conical nozzle, the up-small and down-big tapered shunting with conical nozzle coaxial line arrangement is provided on the release head bracket on the downside of the trunnion to bore, the vertex of a cone end of tapered shunting cone is extend into the conical nozzle, has split channel between the periphery of tapered shunting cone and the inner wall of conical nozzle.Floatation mineralizing device release head provided by the invention, the ore pulp projected through conical nozzle is evenly dispersed, small to the abrasion of conical nozzle, and the mineralized froth formed in flotation cell can stablize floatings, conducive to the froth bed that formation is stable, the phenomenon that being not in magic flower.
Description
Technical field
The present invention relates to mineral floating equipment technical fields, more particularly to a kind of floatation mineralizing device release head.
Background technique
Floatation mineralizing device is the core component of flotation cell or flotation column equipment, and mineralizer includes bubble generator and release head
Two parts, release head are one of important components of mineralizer.One is disclosed in the Chinese patent that notification number is CN101439315B
Kind flotation cell without transmission, ore pulp injection apparatus 8 therein are release head, are existing common release header structure, ore pulp injection
More than one nozzle 9 is welded or is cast on device 8, and the quantity of nozzle 9 is generally 3-12, and each nozzle diameter size is
3-25mm.Existing this release head is small due to nozzle diameter, it is easy to result in blockage；Also, floatation mineralizing device is directed to
Fine grained mineral floating, since fine grained mineral floating, for the dispersion bubble for obtaining sufficient amount, is needed using bubble as load
It to generate enough negative pressure using jet stream and enters enough air self-primings, ore pulp is needed through biggish power and biggish
Internal circulating load, since effluxvelocity is very fast, pressure is higher, nozzle wear is serious in use process, and nozzle area is caused to become larger,
Spray angle also changes.The above two aspects reason causes flotation cell to be easy to appear " magic flower " phenomenon, cannot be formed stable
Froth bed.
The Chinese patent application of Publication No. CN108607691A discloses a kind of ore concentration of bauxite floatation mineralizing device release
Head improves existing release header structure.Improved release head includes trunnion, throat inner radius 50-60mm, and trunnion adds
It solves the problems, such as to be easy blocking after thick.It is changed to a trunnion injection, swiftly flowing ore pulp, compressed air, medicament warp
It crosses trunnion to eject, pressure is big, still remains wear problem at the jet port of trunnion；Swiftly flowing ore pulp, compressed air,
Medicament is ejected on solid ring flange by trunnion, is changed direction and is opened a way around mineralising diverging, concentrates since ore pulp sprays,
Dispersion effect in flotation cell is poor.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of floatation mineralizing device release head, the mine projected through conical nozzle
Starch evenly dispersed, small to the abrasion of trunnion liquid outlet, the mineralized froth formed in flotation cell can stablize floatings, be conducive to be formed surely
The phenomenon that fixed froth bed is not in magic flower.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of floatation mineralizing device release head, including release
Head bracket is put, trunnion is provided on the release head bracket, the lower end nozzle of trunnion is up-small and down-big conical nozzle, described to release
It puts and is provided with the up-small and down-big tapered shunting with conical nozzle coaxial line arrangement on head bracket on the downside of the trunnion
Cone, tapered shunting cone vertex of a cone end extend into the conical nozzle, tapered shunting cone periphery and conical nozzle inner wall it
Between there is split channel, the ratio between the cone bottom diameter of the big opening end diameter of the conical nozzle and tapered shunting cone are as follows: taper
The big opening end diameter of nozzle: cone bottom diameter=1 of tapered shunting cone: (1.1-1.2).
Preferably, the cone angle of the conical nozzle is identical as the cone angle that the tapered shunting is bored.
Preferably, the cone angle of the cone angle of the conical nozzle and tapered shunting cone is 90 °.
Preferably, the vertex of a cone end of the tapered shunting cone is arranged at the center of conical nozzle osculum end port.
As a kind of specific embodiment, the release head bracket includes upper flange plate, the center of the upper flange plate
With central through hole, the trunnion is arranged in the central through hole, be vertically arranged on the bottom surface of the upper flange plate there are two
Above installation stud, the cone bottom of the tapered shunting cone are provided with bottom plate, and the tapered shunting cone is by being arranged on bottom plate
Mounting hole above and below it is adjustable be arranged on the installation stud.
Preferably, the bottom plate is ring flange, is provided with mounting hole on the ring flange, the ring flange passes through mounting hole
It is threaded through on the installation stud.
Cone bottom is bored in the tapered shunting and is bored with the tapered shunting it is further preferred that the bottom plate is integrated setting
Cone bottom shape shape size identical metal plate is fixedly installed lug on the outside of the metal plate, is provided on the lug
Mounting hole, the metal plate are threaded through on the installation stud by mounting hole.
It is found in flotation practice, release head sprays anti-after the inhomogeneities of ore pulp, jet stream ore pulp directive flotation cell groove body
The excessive effect of penetrating is the immediate cause for leading to flotation cell " magic flower ".The form that ore pulp is sprayed by changing release head, can be effective
Solve the problems, such as " magic flower ".Through testing, when the ore pulp of release head injection is divergent state, stable froth bed is advantageously formed.
To be changed to divergence form at the nozzle of release head injection ore pulp, i.e. the lower end nozzle of trunnion is designed as up-small and down-big conical nozzle,
The ore pulp ejected in this way is divergence form distribution, utilizes the froth bed that formation is stable；And tests prove that using conical pipe
Mouthful design is substantially reduced the impact force of trunnion nozzle, at trunnion nozzle caused by wear and be substantially reduced.
Ore pulp diverging to eject release head is uniformly arranged on the release head bracket in the downside of the trunnion
There is the up-small and down-big tapered shunting with conical nozzle coaxial line arrangement to bore, the vertex of a cone end of tapered shunting cone extend into described
In conical nozzle, there is split channel between the periphery of tapered shunting cone and the inner wall of conical nozzle, by split channel, force
The diverging of ore pulp, the circular conical surface that the ore pulp projected from nozzle is bored along tapered shunting is highly uniform to spread out around.This
Sample has just dispersed the energy of the ore pulp projected from nozzle, had both played evenly dispersed effect, and had also achieved the purpose that not magic flower.In order to
The ore pulp for the circular conical surface for effectively avoiding directive tapered shunting from boring rebounds upwards, causes the fluctuation of liquid level, the tapered shunting cone
Cone bottom diameter should be slightly bigger than the big opening end diameter of the conical nozzle, i.e., the big opening end diameter of the described conical nozzle and the taper
The ratio between cone bottom diameter of spreader are as follows: the big opening end diameter of conical nozzle: cone bottom diameter=1 of tapered shunting cone: (1.1-1.2)
When it is best.
Floatation mineralizing device release head provided by the invention, the ore pulp projected through conical nozzle is evenly dispersed, to conical nozzle
Abrasion it is small, the mineralized froth formed in flotation cell can stablize floatings, conducive to stable froth bed is formed, improve sorting and imitate
Rate.The phenomenon that flotation cell liquid level is very steady, and the foam of formation is fairly evenly overflowed from flotation cell, is not in magic flower.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of floatation mineralizing device release head provided by the invention；
Fig. 2 is the partial sectional view of floatation mineralizing device release head shown in FIG. 1；
Fig. 3 is the partial sectional view of trunnion；
Fig. 4 is the location diagram of trunnion and tapered shunting cone；
Fig. 5 is a kind of structural schematic diagram of tapered shunting cone；
Fig. 6 is the top view of Fig. 5；
Fig. 7 is the top view of another tapered shunting cone；
Fig. 8 is the bottom view of upper flange plate；
Fig. 9 is floatation mineralizing device release head use state diagram.
Specific embodiment
Technical solution of the present invention is described in detail below by embodiment.
As shown in Fig. 1-Fig. 3, a kind of floatation mineralizing device release head provided by the invention, including release head bracket, release head
Trunnion 2 is provided on bracket, the lower end nozzle 22 of trunnion 2 is up-small and down-big conical nozzle, is discharged on head bracket in trunnion 2
Downside is provided with the up-small and down-big conical diverter cone 3 with 22 coaxial line of conical nozzle arrangement, the vertex of a cone of conical diverter cone 3
End is extend into conical nozzle 22, has split channel between the periphery of conical diverter cone 3 and the inner wall of conical nozzle 22.
When in use, swiftly flowing ore pulp is entrainment of compressed air, medicine for floatation mineralizing device release head provided by the invention
Agent is spouting by trunnion, and since the lower end nozzle 22 of trunnion 2 is up-small and down-big conical nozzle, the ore pulp sprayed is equal
Even dispersion around sprays, and ore pulp is also dispersed decrease to the impact force of 2 spout of trunnion, caused by trunnion nozzle
Abrasion is substantially reduced.The ore pulp sprayed from trunnion 2 passes through by between the periphery of conical diverter cone 3 and the inner wall of conical nozzle 22
The split channel progress of formation is evenly dispersed to enter flotation cell, and spreads out around, has dispersed the ore pulp projected from nozzle
Energy, both played evenly dispersed effect, and also achieved the purpose that flotation cell not magic flower.As shown in Figure 9, it is mentioned for the present invention
The use state diagram of the floatation mineralizing device release head of confession, the arrow direction in figure indicate the flow direction of ore pulp, Cong Tuzhong
As can be seen that ore pulp sprays to the side-lower of flotation cell 30 after trunnion 2 is using split channel, later again uniformly to flotation cell
The flowing of liquid level direction, mineralized froth can be enable to stablize floatings, conducive to stable froth bed, the raising efficiency of separation is formed.
From Fig. 9 it can also be seen that underflow liquid outlet 31 is arranged at the bottom of flotation cell 30, therefore the cone bottom diameter of conical diverter cone 3 cannot
It is too small, if the cone bottom diameter of conical diverter cone 3 is less than the big opening end diameter of conical nozzle, from the big mouth of conical nozzle
The ore pulp that end sprays understands some and flows directly into underflow liquid outlet 31, causes short circuit, and it is floating that mineralising is not obtained in flotation cell
Choosing；The cone bottom diameter of conical diverter cone 3 can not be too big, if the cone bottom diameter of conical diverter cone is noticeably greater than conical pipe
The big opening end diameter of mouth, then some from the ore pulp that the big opening end of conical nozzle sprays is sprayed onto conical diverter cone 3
It is reflected upwards after the conical surface, phenomenon of turning over flower is caused to generate.Experiment proves that when the big opening end diameter and cone point of conical nozzle 22
The ratio between the cone bottom diameter of flow cone 3 are as follows: the big opening end diameter of conical nozzle: cone bottom diameter=1 of tapered shunting cone: (1.1-1.2)
When, short circuit will not be both generated, also without phenomenon of turning over flower.It can also be seen that ore pulp is logical using shunting by trunnion 2 from Fig. 9
The side-lower of flotation cell 30 is sprayed to behind road, residence time of the ore pulp in flotation cell is long, and mineralising is more abundant, can improve flotation effect
Fruit.
As shown in Figure 4, through testing, the cone angle beta of the lower end nozzle 22 of trunnion 2 is identical as the cone angle of conical diverter cone 3
When, flotation fluid surface uniformity better effect.
Especially when the cone angle of conical nozzle 22 and conical diverter cone 3 cone angle be 90 °, and conical diverter cone 3
Vertex of a cone end when being arranged at the center of 22 osculum end port of conical nozzle, as shown in Figure 4, using the release head flotation of the design
Liquid level uniformity effects are best, and under the same conditions, the foam thickness and stabilization formed on flotation cell liquid level is existing without magic flower
As.
As shown in Fig. 1 and Fig. 8, release head bracket includes upper flange plate 1, and the center of upper flange plate 1 has central through hole, larynx
In the centrally disposed through-hole of pipe 2,3 installation studs 4 are vertically installed on the bottom surface of upper flange plate 1.It is also set up on upper flange plate 1
There are 3 ring flange mounting holes 6, the fixed installation for release head and upper pipe.
As shown in Fig. 5-6, the cone bottom of conical diverter cone 3 has been wholely set bottom plate 8, and bottom plate 8 is a metal plate, with
The cone bottom shape shape size of conical diverter cone 3 is identical, 3 lugs of uniform welding on the lateral wall of bottom plate 8, is all provided on lug
It is equipped with a mounting hole 7, bottom plate 8 is threaded through on installation stud 4 by mounting hole 7, is provided with spiral shell in the two sides up and down of lug
Mother 5, is fixed bottom plate 8.If necessary 3 and conical nozzle can also be bored to adjust conical diverter by adjusting nut 5
22 positional relationship, such as when blocking sundries between conical nozzle 22 and the cone of conical diverter cone 3, so that it may adjustment takes
Out.
As shown in Figure 7, the cone bottom of conical diverter cone 3 has been wholely set bottom plate 8, and bottom plate 8 is ring flange, sets on ring flange
It is equipped with mounting hole 7, bottom plate 8 is threaded through on installation stud 4 by mounting hole 7, is provided with nut in the two sides up and down of ring flange
5, bottom plate 8 is fixed.Ring flange is sprayed onto view of the ore pulp sprayed from the big opening end of conical nozzle might have a part
Reflection upwards afterwards, causes phenomenon of turning over flower to generate, therefore ring flange should not be more excessive than the cone bottom that conical diverter bores 3.
Claims (7)
1. a kind of floatation mineralizing device release head, which is characterized in that including discharging head bracket, be provided with larynx on the release head bracket
Pipe, the lower end nozzle of trunnion are up-small and down-big conical nozzle, are provided on the downside of the trunnion on the release head bracket
The up-small and down-big tapered shunting with conical nozzle coaxial line arrangement is bored, and the vertex of a cone end of tapered shunting cone extend into the cone
In shape nozzle, there is split channel, the big mouth of the conical nozzle between the periphery of tapered shunting cone and the inner wall of conical nozzle
Hold the ratio between the cone bottom diameter of diameter and tapered shunting cone are as follows: the big opening end diameter of conical nozzle: the cone bottom of tapered shunting cone
Diameter=1: (1.1-1.2).
2. floatation mineralizing device release head according to claim 1, which is characterized in that the cone angle of the conical nozzle with it is described
The cone angle of tapered shunting cone is identical.
3. floatation mineralizing device release head according to claim 1 or 2, which is characterized in that the cone angle of the conical nozzle with
The cone angle of the tapered shunting cone is 90 °.
4. floatation mineralizing device release head according to claim 3, which is characterized in that the vertex of a cone end of the tapered shunting cone is set
It sets at the center of conical nozzle osculum end port.
5. floatation mineralizing device release head according to claim 1, which is characterized in that the release head bracket includes upper flange
Disk, the center of the upper flange plate have central through hole, and the trunnion is arranged in the central through hole, the upper flange plate
More than two installation studs are vertically installed on bottom surface, the cone bottom of the tapered shunting cone is provided with bottom plate, the taper point
Flow cone passes through the adjustable setting of the mounting hole being arranged on bottom plate or more on the installation stud.
6. floatation mineralizing device release head according to claim 5, which is characterized in that the bottom plate is ring flange, the method
Mounting hole is provided on blue disk, the ring flange is threaded through on the installation stud by mounting hole.
7. floatation mineralizing device release head according to claim 5, which is characterized in that the bottom plate, which is integrated, to be arranged described
Tapered shunting cone cone bottom and metal plate identical with tapered shunting cone cone bottom shape shape size, the outside of the metal plate
It is fixedly installed lug, mounting hole is provided on the lug, the metal plate is threaded through the installation spiral shell by mounting hole
On column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040348.6A CN109746126B (en) | 2019-01-16 | 2019-01-16 | Release head of flotation mineralizing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910040348.6A CN109746126B (en) | 2019-01-16 | 2019-01-16 | Release head of flotation mineralizing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109746126A true CN109746126A (en) | 2019-05-14 |
| CN109746126B CN109746126B (en) | 2021-12-17 |
Family
ID=66405833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910040348.6A Active CN109746126B (en) | 2019-01-16 | 2019-01-16 | Release head of flotation mineralizing device |
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| Country | Link |
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| CN (1) | CN109746126B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1680343A1 (en) * | 1989-05-05 | 1991-09-30 | Kuznetsk Ni Pk I Ugleobogash | Flotation machine |
| SU1752428A2 (en) * | 1989-06-27 | 1992-08-07 | Кузнецкий научно-исследовательский и проектно-конструкторский институт углеобогащения | Flotation machine |
| SU1818748A1 (en) * | 1989-03-31 | 1996-03-10 | Иркутский научно-исследовательский и конструкторский институт химического машиностроения | Pneumatic flotation machine |
| CN2537466Y (en) * | 2002-04-11 | 2003-02-26 | 平顶山天安煤业股份有限公司田庄选煤厂 | Self suction type floatation mineralizing device |
| CN201147723Y (en) * | 2007-12-27 | 2008-11-12 | 金川集团有限公司 | Micro-bubble jet flotation machine |
| CN204018031U (en) * | 2014-09-03 | 2014-12-17 | 河南东大矿业股份有限公司 | A kind of bauxite forward flotation mineralizer bottom releasing device |
| CN205182272U (en) * | 2015-10-28 | 2016-04-27 | 临沂矿业集团有限责任公司 | Novel ore pulp precipitation bucket |
| CN108607691A (en) * | 2018-05-25 | 2018-10-02 | 河南东大科技股份有限公司 | A kind of ore concentration of bauxite floatation mineralizing device release head |
-
2019
- 2019-01-16 CN CN201910040348.6A patent/CN109746126B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1818748A1 (en) * | 1989-03-31 | 1996-03-10 | Иркутский научно-исследовательский и конструкторский институт химического машиностроения | Pneumatic flotation machine |
| SU1680343A1 (en) * | 1989-05-05 | 1991-09-30 | Kuznetsk Ni Pk I Ugleobogash | Flotation machine |
| SU1752428A2 (en) * | 1989-06-27 | 1992-08-07 | Кузнецкий научно-исследовательский и проектно-конструкторский институт углеобогащения | Flotation machine |
| CN2537466Y (en) * | 2002-04-11 | 2003-02-26 | 平顶山天安煤业股份有限公司田庄选煤厂 | Self suction type floatation mineralizing device |
| CN201147723Y (en) * | 2007-12-27 | 2008-11-12 | 金川集团有限公司 | Micro-bubble jet flotation machine |
| CN204018031U (en) * | 2014-09-03 | 2014-12-17 | 河南东大矿业股份有限公司 | A kind of bauxite forward flotation mineralizer bottom releasing device |
| CN205182272U (en) * | 2015-10-28 | 2016-04-27 | 临沂矿业集团有限责任公司 | Novel ore pulp precipitation bucket |
| CN108607691A (en) * | 2018-05-25 | 2018-10-02 | 河南东大科技股份有限公司 | A kind of ore concentration of bauxite floatation mineralizing device release head |
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| CN109746126B (en) | 2021-12-17 |
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