CN202942825U - Atomization stirring type coal slurry preprocessor - Google Patents
Atomization stirring type coal slurry preprocessor Download PDFInfo
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- CN202942825U CN202942825U CN201220709475.4U CN201220709475U CN202942825U CN 202942825 U CN202942825 U CN 202942825U CN 201220709475 U CN201220709475 U CN 201220709475U CN 202942825 U CN202942825 U CN 202942825U
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- impeller
- atomizing
- mixing arrangement
- sleeve
- stirring
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Abstract
The utility model discloses an atomization stirring type coal slurry preprocessor. The preprocessor consists of an impeller stirring type mixing device and an atomization dispersing device, wherein a main body of the atomization dispersing device is provided with a flotation drug inlet and a compressed air inlet; the flotation drug inlet is communicated with a dosing hopper; the compressed air inlet is communicated with a compressed air pipeline; a nozzle is communicated with an injection chamber; the outlet of the atomization dispersing device is communicated with the impeller stirring type mixing device; the impeller stirring type mixing device is arranged at the lower part of the atomization dispersing device and consists of an impeller, a stator and a sleeve; the impeller is arranged on an impeller shaft; the other end of the impeller shaft is connected with a transmission device; the transmission device is connected with a motor; the impeller is at the lower part of the sleeve; and the impeller shaft passes through the sleeve and is fixedly supported on the sleeve. According to the utility model, the atomization dispersing device is combined with the impeller stirring type mixing device in an optimization manner; the atomization dispersing device is used for fully dispersing the flotation drug and then adding the drug into the mixing device; and the atomization stirring type coal slurry preprocessor implements low flotation dry consumption and high processing capability, improves the preprocessing effect, and increases the flotation index such as recovery ratio of ore concentrate and the like.
Description
Technical field
The utility model relates to a kind of coal paste preprocessor, particularly relates to a kind of wet coal preparation factory granularity＜0.50mm coal slime that is applied to and carries out the pretreated atomizing stirring-type of dosing coal paste preprocessor before entering the flotation device sorting.
Background technology
Because the floatability of China's coal slime is generally relatively poor, so the coal slurry pretreatment is requisite link in floatation coal separation technique, is the prerequisite that flotation device obtains good technical-economic index.The pretreated necessity of coal slurry mainly contains following 4 points: ⑴ fully disperses floating agent, and the floating agent of coal slime is insoluble or be slightly soluble in water, only has it fully is dispersed into a large amount of fine droplets, could evenly be mixed into it in coal slurry; ⑵ be blended in the floating agent that disperses well in the float coal slurry; ⑶ floating agent need to have certain effect the time at coal grain surface generation physical-chemical reaction; ⑷ will enter the float coal slurry and be diluted to rational concentration range.
All there are or two incomplete situations in " disperse, mix " two topmost functions in all types of coal paste preprocessors of China coal preparation plant extensive application at present, take the maximum impeller stirring-type ore pulp preprocessor of present application as example: floating agent adds on impeller in square socket or on the stator cover plate, enter the impeller back blades through sleeve, the rotation that utilizes impeller disperses floating agent to throw away, and the coal slurry that throws away in impeller outlet place and impeller mixes.Because the rotary speed of impeller is low, especially with the maximization of equipment, wheel speed is more and more lower, this type preprocessor wheel speed that diameter is 3.5 meters is only 175r/min, under this rotating speed, impeller can not effectively disperse floating agent, causes the floating agent consumption large, pretreating effect is poor, and the floatation indicators such as the concentrate rate of recovery, tailings ash content are undesirable.
Summary of the invention
Goal of the invention of the present utility model is for prior art floating agent consumption large, pretreating effect is poor, the undesirable deficiencies of floatation indicators such as the concentrate rate of recovery, tailings ash content, provide a kind of dispersal device and impeller stirring-type mixing arrangement of atomizing organically to make up, realize the dispersion of floating agent and disperse after floating agent and the mixed uniformly atomizing stirring-type coal paste preprocessor of coal slurry.
Realize that the technical scheme that the foregoing invention purpose adopts is:
A kind of atomizing stirring-type coal paste preprocessor, comprise drive motors, transmission device, atomizing dispersal device, mixing arrangement, drive motors is arranged on the transmission device side, atomizing dispersal device, mixing arrangement are arranged on respectively in the mixing arrangement staving, the mixing arrangement staving is provided with feeding mouth at the bottom of top, side wall upper part is provided with discharging opening, it is characterized in that
Described atomizing dispersal device mainly by atomizing dispersal device main body, add drug bucket, jet chamber, nozzle and form, atomizing dispersal device main body is provided with floating agent entrance and compressed air inlet, the floating agent entrance with add drug bucket and be communicated with, the compressed air inlet compressed air line outer with being arranged on the mixing arrangement staving is connected, the nozzle of atomizing dispersal device communicates with the jet chamber, and the outlet of atomizing dispersal device is connected with mixing arrangement;
Described mixing arrangement is impeller stirring-type mixing arrangement, be arranged on the bottom of atomizing dispersal device, impeller stirring-type mixing arrangement mainly is comprised of impeller, mixing arrangement staving, sleeve, be arranged on impeller shaft, the impeller shaft other end is connected with transmission device, and impeller is positioned at the bottom of sleeve, and impeller shaft passes sleeve, and be fixedly supported on sleeve, impeller is communicated with feeding pipe.
As preferred version, the outlet of described atomizing dispersal device is connected by the sleeve of pipeline with impeller stirring-type mixing arrangement.
As preferred version, described impeller is comprised of impeller body, impeller back blades and impeller cavity, and the impeller back blades is fixed on impeller body.
As preferred version, the feeding pipe of described impeller cavity feeding mouth bottom being positioned at staving is communicated with.
As preferred version, described mixing arrangement staving is cylinder-conical combining structure.
Adopt technique scheme, compared with prior art, remarkable result of the present utility model is: the utility model dispersal device and impeller stirring-type hybrid optimization combination that will atomize, join again in mixing arrangement after with the atomizing dispersal device, floating agent fully being disperseed, the atomizing dispersal device is take compressed air as power, medicament is dispersed into the fine droplet of diameter 5 μ m～8 μ m, dispersion effect is good, has improved the degree of scatter of floating agent; In the course of work of impeller stirring-type mixing arrangement, floating agent contacts in the mixed zone after impeller throws away with coal slurry, medicament and coal grain all have certain kinetic energy, with certain speed collision, be conducive to overcome coal grain surface hydrated sheath can the peak, accelerate medicament and coal grain contact and medicament in the expansion of adhering on coal grain surface.Thereby reduce the floating agent consumption, improve disposal ability, improve pretreating effect, improve the concentrate rate of recovery, the tail coal ash floatation indicators that grades.
Description of drawings
Fig. 1 is the utility model overall structure schematic diagram.
Fig. 2 is the structure chart of the utility model atomizing dispersal device.
Fig. 3 is operation principle schematic diagram of the present utility model.
In figure, add drug bucket 1, atomizing dispersal device 2, sleeve 3, impeller back blades 4, impeller 5, staving 6, impeller cavity 7, feeding pipe 8, mixing arrangement 9, atomizing dispersal device nozzle 10, atomizing dispersal device main body 11, compressed air inlet 12.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
referring to accompanying drawing 1-2, the utility model provides a kind of atomizing stirring-type coal paste preprocessor, by mainly by impeller stirring-type mixing arrangement 9, atomizing dispersal device 2 forms, atomizing dispersal device 2 is by atomizing dispersal device main body 11, add drug bucket 1, the jet chamber, nozzle 10 forms, atomizing dispersal device main body 11 is provided with floating agent entrance and compressed air inlet 12, the floating agent entrance is communicated with the drug bucket 1 that adds that is arranged on mixing arrangement staving 6 tops, compressed air inlet 12 compressed air line outer with being arranged on preprocessor is connected, atomizing dispersal device nozzle 10 communicates with the jet chamber, the outlet of atomizing dispersal device 2 is connected by the sleeve 3 of pipeline with impeller stirring-type mixing arrangement 9.Impeller stirring-type mixing arrangement 9 is arranged on the bottom of atomizing dispersal device 2, formed by impeller 5, sleeve 3 etc., impeller 5 is comprised of impeller body, impeller back blades 4 and impeller cavity 7, for double-decker be divided into the up and down two-layer, impeller back blades 4 is fixed on impeller body.Impeller 5 is arranged on impeller shaft, and the impeller shaft other end is connected with the transmission device that is arranged on staving 6 tops, and transmission device is connected with motor, impeller 5 is positioned at the bottom of sleeve 3, impeller shaft passes sleeve 3, and is fixedly supported on sleeve 3, and impeller cavity 7 is communicated with the feeding pipe 8 that is positioned at staving 6 bottoms.Impeller back blades 4, impeller body form the upper strata of impeller, and its Main Function is to inhale medicine.Impeller cavity 7 forms the lower floor of impeller, and Main Function is to inhale coal slurry.
The staving 6 of mixing arrangement is cylinder-conical combining structure, and feeding pipe 8 is arranged on staving 6 and communicates with the feeding mouth of staving in the middle of bottoms.
The course of work of the present utility model is seen Fig. 3:
Compressed air enters in atomizing dispersal device 2 by the road, compressed air is through nozzle 10 ejection at a high speed of atomizing dispersal device, produce negative pressure in the jet chamber of atomizing dispersal device main body 11, form swabbing action, suck fast adding the floating agent that adds in drug bucket 1 of atomizing dispersal device to, injected gas shock cutting, aerosol dispersion.Then enter the impeller back blades 4 of rotation by sleeve 3, be thrown out of and enter into the mixed zone.
Entering the float coal slurry feeding pipe 8 by impeller stirring-type mixing arrangement staving 6 bottoms enters in the cavity 7 of impeller, the impeller that is rotated throws away and enters the mixed zone, fully contact mixing in the mixed zone with the floating agent after atomizing, complete pretreated coal slurry and overflow from the discharging opening on impeller stirring-type mixing arrangement staving 6 tops, afterwards to the flotation device sorting.
Claims (5)
1. atomizing stirring-type coal paste preprocessor, comprise drive motors, transmission device, atomizing dispersal device, mixing arrangement, drive motors is arranged on the transmission device side, atomizing dispersal device, mixing arrangement are arranged on respectively in the mixing arrangement staving, the mixing arrangement staving is provided with feeding mouth at the bottom of top, side wall upper part is provided with discharging opening, it is characterized in that
Described atomizing dispersal device mainly by atomizing dispersal device main body, add drug bucket, jet chamber, nozzle and form, atomizing dispersal device main body is provided with floating agent entrance and compressed air inlet, the floating agent entrance with add drug bucket and be communicated with, the compressed air inlet compressed air line outer with being arranged on the mixing arrangement staving is connected, the nozzle of atomizing dispersal device communicates with the jet chamber, and the outlet of atomizing dispersal device is connected with mixing arrangement;
Described mixing arrangement is impeller stirring-type mixing arrangement, be arranged on the bottom of atomizing dispersal device, impeller stirring-type mixing arrangement mainly is comprised of impeller, mixing arrangement staving, sleeve, be arranged on impeller shaft, the impeller shaft other end is connected with transmission device, and impeller is positioned at the bottom of sleeve, and impeller shaft passes sleeve, and be fixedly supported on sleeve, impeller is communicated with feeding pipe.
2. atomizing stirring-type coal paste preprocessor according to claim 1, is characterized in that, the outlet of described atomizing dispersal device is connected by the sleeve of pipeline with impeller stirring-type mixing arrangement.
3. atomizing stirring-type coal paste preprocessor according to claim 1, is characterized in that, described impeller is comprised of impeller body, impeller back blades and impeller cavity, and the impeller back blades is fixed on impeller body.
4. according to claim 1 or 3 described atomizing stirring-type coal paste preprocessors, is characterized in that, the feeding pipe of described impeller cavity feeding mouth bottom being positioned at staving is communicated with.
5. atomizing stirring-type coal paste preprocessor according to claim 1, is characterized in that, described mixing arrangement staving is cylinder-conical combining structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220709475.4U CN202942825U (en) | 2012-12-20 | 2012-12-20 | Atomization stirring type coal slurry preprocessor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220709475.4U CN202942825U (en) | 2012-12-20 | 2012-12-20 | Atomization stirring type coal slurry preprocessor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202942825U true CN202942825U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220709475.4U Expired - Lifetime CN202942825U (en) | 2012-12-20 | 2012-12-20 | Atomization stirring type coal slurry preprocessor |
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| Country | Link |
|---|---|
| CN (1) | CN202942825U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007795A (en) * | 2012-12-20 | 2013-04-03 | 唐山森普工程设计有限公司 | Atomization agitating type coal slurry preprocessor |
| CN105642450A (en) * | 2016-02-25 | 2016-06-08 | 江西稀有稀土金属钨业集团有限公司 | Method for increasing flotation molybdenite recovery rate |
-
2012
- 2012-12-20 CN CN201220709475.4U patent/CN202942825U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103007795A (en) * | 2012-12-20 | 2013-04-03 | 唐山森普工程设计有限公司 | Atomization agitating type coal slurry preprocessor |
| CN105642450A (en) * | 2016-02-25 | 2016-06-08 | 江西稀有稀土金属钨业集团有限公司 | Method for increasing flotation molybdenite recovery rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Suozhu Inventor after: Jiang Xiaolong Inventor after: Wang Chenglong Inventor after: Wang Yunlai Inventor after: Wang Peng Inventor after: Liu Yumiao Inventor after: Li Jinhua Inventor after: Zhao Shuhui Inventor before: Li Suozhu Inventor before: Jiang Xiaolong Inventor before: Wang Chenglong |
|
| COR | Change of bibliographic data | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Suozhu Inventor after: Jiang Xiaolong Inventor after: Wang Chenglong Inventor after: Wang Yunlai Inventor after: Wang Peng Inventor after: Liu Yumiao Inventor after: Li Jinhua Inventor after: Zhao Shuhui Inventor after: Nie Zhiqiang Inventor before: Li Suozhu Inventor before: Jiang Xiaolong Inventor before: Wang Chenglong Inventor before: Wang Yunlai Inventor before: Wang Peng Inventor before: Liu Yumiao Inventor before: Li Jinhua Inventor before: Zhao Shuhui |
|
| CB03 | Change of inventor or designer information | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
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| CX01 | Expiry of patent term |