CN202803420U - Flotation equipment based on negative pressure - Google Patents
Flotation equipment based on negative pressure Download PDFInfo
- Publication number
- CN202803420U CN202803420U CN 201220410745 CN201220410745U CN202803420U CN 202803420 U CN202803420 U CN 202803420U CN 201220410745 CN201220410745 CN 201220410745 CN 201220410745 U CN201220410745 U CN 201220410745U CN 202803420 U CN202803420 U CN 202803420U
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- CN
- China
- Prior art keywords
- mozzle
- splitter
- suction muffler
- negative pressure
- flotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses flotation equipment based on negative pressure and solves the problems in the prior art that a split type flotation column is low in flotation efficiency, and does not have a specially arranged liquid level monitoring device. The flotation equipment comprises a diversion pipe, a separating column arranged at the lower end of the diversion pipe, and a flow outlet arranged at the lower end of the separating column. The flotation equipment is characterized in that the upper end of the diversion pipe is provided with an air suction cavity connected with the diversion pipe through a connecting pipe, the upper end of the air suction cavity is provided with a nozzle with one end inserted into the air suction cavity, and an air flow inlet communicated with outside air pressure is arranged on the air suction cavity. A liquid level sensor is further arranged on the side wall of the separating column, and a flow baffle is further arranged at the lower end of the separating column and is close to the flow outlet. The nozzle is in a cone shape, and an air pressure balancing pipe used for communicating the diversion pipe and the air suction cavity is further arranged at the upper end of the diversion pipe. The flotation equipment not only is simple in structure, but also is low in cost, and convenient to achieve, thereby being suitable for popularization and application.
Description
Technical field
The utility model relates to a kind of fine particle separation equipment, specifically, be based on the floatation equipment of negative pressure.
Background technology
Gu flotation is the method for carrying out liquid-liquid, solid-liquid and solid-separation (ore particle, oil droplet etc.) by the difference of the Surface Physical Chemistry character of particle; The method is with the running medium of bubble as particle.FLOTATION SEPARATION is to carry out in the floatation equipment of special use, and floatation equipment is mainly by following several: agitation impeller flotator, air flotation post and split type flotation column.At present, flotation column commonly used in the engineer operation is split type flotation column, and it has, and the flotation column height is low, the flotation efficiency advantages of higher; But through long-term experiment and practice, also there is following shortcoming in split type flotation device: inspiratory capacity is restricted, and ore pulp mixes abundant not with gas, and the mineralising effect is bad; And do not have ad hoc level control or watch-dog in the splitter, ore pulp often occurs and overflow, to such an extent as to have a strong impact on engineer operation.
The utility model content
The purpose of this utility model is to overcome defects, provide a kind of overall structure simple, realize easily floatation equipment.
To achieve these goals, the scheme of the utility model employing is as follows:
Floatation equipment based on negative pressure, comprise mozzle, be arranged on the splitter of this mozzle lower end, and the head piece that goes out that is arranged on the splitter lower end, be provided with the suction muffler that is attached thereto by tube connector in the upper end of described mozzle, this suction muffler upper end is provided with an end and inserts its inner nozzle, and offer the air flow inlet that communicates with ambient pressure at suction muffler, and on the sidewall of described splitter, also be provided with liquid level sensor, also be provided with shelves stream plate in the lower end of described splitter, this grade stream plate is near going out head piece, described nozzle is tapered, its lower end port cross-sectional area is 1/5th to 1/10th of tube connector port cross-sectional area, also is provided with one in order to be communicated with the barometric pipe of mozzle and suction muffler in the upper end of described mozzle.
Further, described mozzle lower end tangentially links to each other with the splitter side.
Further, described air flow inlet number is more than one, and all is positioned at the upper end of suction muffler.
Further, described mozzle is 5 to 12 with the cross-sectional area ratio of tube connector.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model is not only simple in structure, and with low cost, realization convenience;
(2) the utility model is provided with the suction muffler that is attached thereto by tube connector in the upper end of mozzle, this suction muffler upper end is provided with an end and inserts its inner nozzle, and offer the air flow inlet that communicates with ambient pressure at suction muffler, nozzle sprays high speed ore pulp with pressure, air flow velocity is little from the air flow inlet of suction muffler side is involved in, air and ore pulp jet enter tube connector and are taken away at a high speed by jet, thereby in suction muffler, form pseudo-vacuum state, and cause negative pressure, thereby more Air Entrainment is entered the jet operation area, it is gradually consistent when air arrives mozzle with ore pulp, and change the kinetic energy of fluid-mixing into pressure energy by mozzle, and air split be divided into minute bubbles, thereby form foam stream at mozzle; The breathing space of suction muffler is much larger than mozzle, and immobilized particles or oil droplet in the ore pulp and the minute bubbles split minute carry out sufficient mineralization at mozzle, guaranteed that effectively ore pulp is abundant with mixing of gas, its mixing efficiency is higher than traditional split type flotation column, mineralization is strong, and then has improved flotation efficiency;
(3) the utility model also is provided with liquid level sensor on the sidewall of splitter, and this liquid level sensor is connected with external attention device by holding wire, and it can monitor the height of liquid level in the splitter timely, has effectively avoided flow of slurry to overflow;
(4) so material is common common material on the market in the utility model, and it is simple in structure, low price, cost is very cheap, has established solid foundation for it promotes the use on a large scale;
(5) the utility model also is provided with shelves stream plate in the lower end of splitter, and this grade stream plate is near going out head piece, and it can make the fluid that flows out from mozzle better upwards return, and prevents that liquid from flowing into splitter and short circuit phenomenon occurring when pressure is high;
(6) nozzle is tapered in the utility model, its port cross-sectional area is 1/5th to 1/10th of tube connector port cross-sectional area, the nozzle of taper can improve widely from flow velocity and the pressure of the ore pulp of its ejaculation, thereby guaranteed the sufficient degree that ore pulp mixes with gas, improved flotation efficiency;
(7) the utility model also is provided with one in order to be communicated with the barometric pipe of mozzle and suction muffler in the upper end of mozzle, negative pressure in the suction muffler promotes the ore pulp in the mozzle, mozzle is full of fully, can take full advantage of the effective depth of mozzle, and the mozzle internal gas pressure equates with suction muffler air pressure, has guaranteed air-breathing stablizing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein, the parts name that Reference numeral is corresponding is called: the 1-mozzle, and the 2-splitter, 3-goes out head piece, 4-tube connector, 5-suction muffler, 6-nozzle, 7-air flow inlet, 8-liquid level sensor, 9-shelves stream plate, 10-barometric pipe.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is described in further detail, but embodiment of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, floatation equipment based on negative pressure, comprise mozzle 1, be arranged on the splitter 2 of this mozzle 1 lower end, and be arranged on splitter 2 lower ends go out head piece 3, be provided with the suction muffler 5 that is attached thereto by tube connector 4 in the upper end of described mozzle 1, these suction muffler 5 upper ends are provided with an end and insert its inner nozzle 6, and offer the air flow inlet 7 that communicates with ambient pressure at suction muffler 5.
The utility model also is provided with liquid level sensor 8 on the sidewall of splitter, this liquid level sensor 8 is connected with external attention device by holding wire, and it can monitor the height of liquid level in the splitter timely, has effectively avoided flow of slurry to overflow.
The utility model also is provided with shelves stream plate 9 in the lower end of splitter 2, this grade stream plate 9 is near going out head piece 3, and it can make the fluid that flows out from mozzle better upwards return, and prevents that liquid from flowing into splitter and short circuit phenomenon occurring when pressure is high.
The utility model also is provided with one in order to be communicated with the barometric pipe 10 of mozzle 1 and suction muffler 5 in the upper end of mozzle 1, negative pressure in the suction muffler promotes the ore pulp in the mozzle 1, mozzle is full of fully, can take full advantage of the effective depth of mozzle, and the mozzle internal gas pressure equates with suction muffler air pressure, has guaranteed air-breathing stablizing.
Nozzle 6 is tapered in the utility model, its port cross-sectional area is 1/5th to 1/10th of tube connector port cross-sectional area, the nozzle of taper can improve widely from flow velocity and the pressure of the ore pulp of its ejaculation, thereby has guaranteed the sufficient degree that ore pulp mixes with gas, has improved flotation efficiency.
In the present embodiment, described mozzle 1 lower end and splitter 2 sides are tangential
In the present embodiment, described mozzle 1 lower end tangentially links to each other with splitter 2 sides.
In order to improve air-breathing speed, described air flow inlet 7 numbers are more than one, and all are positioned at the upper end of suction muffler 5.
In the present embodiment, in order to guarantee ore pulp air pressure, described mozzle 1 is 5 to 12 with the cross-sectional area ratio of tube connector 4.
Principle of the present utility model: nozzle sprays high speed ore pulp with pressure, air flow velocity is little from the air flow inlet of suction muffler side is involved in, air and ore pulp jet enter tube connector and are taken away at a high speed by jet, thereby in suction muffler, form pseudo-vacuum state, and cause negative pressure, thereby more Air Entrainment is entered the jet operation area, it is gradually consistent when air arrives mozzle with ore pulp, and change the kinetic energy of fluid-mixing into pressure energy by mozzle, and air split be divided into minute bubbles, thereby form foam stream at mozzle; The breathing space of suction muffler is much larger than mozzle; and immobilized particles or oil droplet in the ore pulp and the minute bubbles split minute carry out sufficient mineralization at mozzle; guaranteed that effectively ore pulp is abundant with mixing of gas; its mixing efficiency is higher than traditional split type flotation column; mineralization is strong, and then has improved flotation efficiency.
According to above-described embodiment, can well realize the utility model.
Claims (4)
1. based on the floatation equipment of negative pressure, comprise mozzle (1), be arranged on the splitter (2) of this mozzle (1) lower end, and be arranged on splitter (2) lower end go out head piece (3), it is characterized in that: be provided with the suction muffler (5) that is attached thereto by tube connector (4) in the upper end of described mozzle (1), this suction muffler (5) upper end is provided with an end and inserts its inner nozzle (6), and offer the air flow inlet (7) that communicates with ambient pressure at suction muffler (5), and on the sidewall of described splitter (2), also be provided with liquid level sensor (8), also be provided with shelves stream plate (9) in the lower end of described splitter (2), these shelves stream plates (9) are near going out head piece (3), described nozzle (6) is tapered, its lower end port cross-sectional area is 1/5th to 1/10th of tube connector (4) port cross-sectional area, also is provided with one in the upper end of described mozzle (1) in order to be communicated with the barometric pipe (10) of mozzle (1) and suction muffler (5).
2. the floatation equipment based on negative pressure according to claim 1, it is characterized in that: described mozzle (1) lower end tangentially links to each other with splitter (2) side.
3. the floatation equipment based on negative pressure according to claim 2, it is characterized in that: described air flow inlet (7) number is more than one, and all is positioned at the upper end of suction muffler (5).
4. the floatation equipment based on negative pressure according to claim 3 is characterized in that: described mozzle (1) is 5 to 12 with the cross-sectional area ratio of tube connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410745 CN202803420U (en) | 2012-08-20 | 2012-08-20 | Flotation equipment based on negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220410745 CN202803420U (en) | 2012-08-20 | 2012-08-20 | Flotation equipment based on negative pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202803420U true CN202803420U (en) | 2013-03-20 |
Family
ID=47862366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220410745 Expired - Fee Related CN202803420U (en) | 2012-08-20 | 2012-08-20 | Flotation equipment based on negative pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202803420U (en) |
-
2012
- 2012-08-20 CN CN 201220410745 patent/CN202803420U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20130820 |