CN202199430U - Internal cycle type fly ash flotation separation device - Google Patents
Internal cycle type fly ash flotation separation device Download PDFInfo
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- CN202199430U CN202199430U CN2011202326572U CN201120232657U CN202199430U CN 202199430 U CN202199430 U CN 202199430U CN 2011202326572 U CN2011202326572 U CN 2011202326572U CN 201120232657 U CN201120232657 U CN 201120232657U CN 202199430 U CN202199430 U CN 202199430U
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- tail ash
- flotation
- flotation separation
- ash
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- 238000005188 flotation Methods 0.000 title claims abstract description 78
- 238000000926 separation method Methods 0.000 title claims abstract description 31
- 239000010881 fly ash Substances 0.000 title claims abstract description 20
- 239000002956 ash Substances 0.000 claims abstract description 77
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims description 80
- 230000001502 supplementing effect Effects 0.000 claims description 21
- 238000005086 pumping Methods 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims 2
- 238000002360 preparation method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005507 spraying Methods 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 22
- 229910052799 carbon Inorganic materials 0.000 description 17
- 239000010410 layer Substances 0.000 description 16
- 239000002245 particle Substances 0.000 description 15
- 238000003756 stirring Methods 0.000 description 12
- 239000013589 supplement Substances 0.000 description 10
- 239000008396 flotation agent Substances 0.000 description 5
- 238000013019 agitation Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000005587 bubbling Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses an internal cycle type fly ash flotation separation device. An overflow collection segment is arranged outside an upper segment of a cylinder and a discharge port is arranged on the bottom of the overflow collection segment; a tail ash collection segment is arranged on the bottom of the cylinder and provided with a first tail ash outlet; a distribution device is a container with a plurality of distribution pipelines on the lower part or the bottom and arranged above the overflow collection segment; a cycle device comprises a cycle pipeline and a cycle pump arranged on the cycle pipeline; a Venturi tube structure is arranged on the cycle pipeline and an air supply device is arranged on the side wall of the cycle pipeline for forming the negative pressure and corresponded with the Venturi tube structure. The internal cycle type fly ash flotation separation device has the following advantages: no need of setting an independent air spraying device and saved manufacture cost of the device.
Description
Technical Field
The utility model relates to an utilize fly ash to make active carbon, more specifically say, the utility model relates to an internal recycle formula fly ash flotation separation device.
Background
The fly ash is one of industrial waste residues with large discharge capacity in China at present, and the annual discharge capacity of the fly ash in China reaches 3000 ten thousand tons at the present stage. With the development of the power industry, the emission amount of fly ash from coal-fired power plants increases year by year. The fly ash contains a large amount of unburned carbon particles, and can be used as a raw material for manufacturing activated carbon after flotation.
Chinese patent 200810031474.7 discloses a special flotation column for fly ash, an ore pulp distributor is installed at the top of a flotation column barrel, a multi-section bubbling plate is arranged in the barrel, a multi-point cyclone device and a multi-point tail ash overflow hole are arranged at the lower part of the barrel, an ore pulp distribution pipe is arranged around the ore pulp distributor, a circulation pipeline is arranged around the barrel, the upper end of the circulation pipeline is connected and communicated with the ore pulp distribution pipe, the lower end of the circulation pipeline is connected and communicated with the cyclone device, the joint of the ore pulp distribution pipe and a feed and discharge port are respectively connected with the two ends of a circulation pump, a high-carbon ash balance overflow plate and a high-carbon ash overflow collection port are also installed at the upper.
Chinese patent 200920064391.8 discloses a special flotation column for circulating fluidized bed boiler fly ash, a pulp distributor is arranged at the top, a multi-section bubbling plate is arranged in the flotation column, a multi-point cyclone device is arranged at the lower part, a conical tail ash collecting tank is connected and installed at the bottom, pulp distributing pipes are arranged around the pulp distributor, circulating pipes are arranged at the periphery of the pulp distributing pipes and connected with a circulating pump, a high-carbon ash balance overflow plate and a collecting port are further arranged at the upper part of the flotation column, and the tail ash pipe connected with the bottom end of the conical tail ash collecting tank is connected to a tail ash automatic adjusting box.
Chinese patent 200920261379.6 discloses a stirring flotation device for producing activated carbon by microwave pyrolysis of garbage; the agitation flotation equipment comprises: a machine body part F, a power part G and an agitation flotation part H. The body portion F includes: stirring flotation cylinder, frame, flotation substance export and mixture export, power part G includes: the stirring flotation motor is fixedly arranged on the rack, and the stirring flotation motor is connected with the stirring flotation shaft. The agitation flotation section H comprises: stirring vane and flotation vane, stirring vane fixed setting are in stirring flotation axle bottom, flotation vane fixed setting is in stirring flotation axle upper portion.
Chinese patent 200920063583.7 discloses a new apparatus for preparing activated carbon from fly ash, which comprises a fly ash raw ash inlet hopper, an electronic weighing scale, a box-type ash flushing device, an ore pulp preprocessor, a first stage flotation column, a second stage flotation column, a first thickener, a first filter, a first dryer, a special mill for activated carbon, an oil-water separator and a second dryer which are connected in sequence; the ore pulp preprocessor and the second-stage flotation column are also connected with an automatic chemical feeder of a dispersing agent and a compound flotation agent, and the special active carbon mill is also connected with a high-pressure steam pipeline.
Chinese patent 200820046239.2 discloses a coal ash flotation carbon production device, which comprises a screening module for screening the particle size of coal ash, a stirring module, a flotation module for separating clean coal from tail ash, a dehydration module, and a conveying mechanism for sequentially and organically connecting the modules into a whole.
The technical proposal has the disadvantages that a separate air injection device is required to be arranged in the flotation separation device, and the manufacturing cost is increased.
Disclosure of Invention
In view of the disadvantages of the prior art, it is an object of the present invention to provide a flotation separation device that does not require a separate air jet.
In order to achieve the purpose, the utility model provides an internal circulation type fly ash flotation separation device, which comprises a vertically arranged cylinder body, a flotation plate positioned in the cylinder body, a distribution device, a circulation device, an overflow collection section and a tail ash collection section; wherein,
the flotation plate is provided with a plurality of holes; the flotation plate has two functions: firstly, different materials with different buoyancy are layered; secondly, the size of the bubbles is limited by the aperture of the holes on the flotation plate. The aperture of the holes on the flotation plate is 0.5 cm-5 cm, the flotation plate can be made of metal, various plastics or other materials, and the holes can be single-layer or multi-layer, preferably multi-layer arranged at intervals, such as 2-5 layers, so as to be beneficial to dividing the materials in the cylinder into multiple layers, leading the ash with larger specific gravity to sink to the bottom layer and leading the particles with higher carbon content to float to the top layer.
The overflow collecting section is positioned outside the upper section of the cylinder, the bottom end of the overflow collecting section is lower than the top end of the cylinder and is used for collecting particles overflowing from the flotation section, and a discharge hole is formed in the bottom end of the overflow collecting section; for example, the overflow collection section may be a cylindrical vessel having a hole in the floor, and the top end of the vessel may extend through the hole in the floor, such that particulate matter floating in the vessel continuously accumulates upward and flows over the wall of the vessel into the overflow collection section; for another example, an overflow hole or an overflow pipe is arranged on the outer wall of the top of the cylinder body, and the overflow collecting section is a container positioned below the overflow hole or the overflow pipe;
the tail ash collecting section is positioned at the bottom end of the cylinder body and is provided with a tail ash outlet;
the distribution device is positioned above the overflow collection section and is a container with a plurality of distribution pipelines arranged at the lower part or the bottom end; the tail end of the distribution pipeline can be positioned above the top layer flotation plate or below any layer of the flotation plate;
the circulating device comprises a circulating pipeline and a circulating pump positioned on the circulating pipeline; the circulating pipeline is provided with a Venturi tube structure, and an air supplementing device is arranged at the position of the side wall of the circulating pipeline corresponding to the Venturi tube structure and forming negative pressure, for example, the air supplementing device can comprise an air supplementing port and an air supplementing tube connected to the air supplementing port, and the tail end of the air supplementing tube is provided with a rain shielding cap used for shielding rainwater.
The venturi structure herein is a structure manufactured as a venturi tube, for example, including a circular inlet portion, a tapered portion, a cylindrical throat portion, and a diverging portion. The utility model discloses in, thereby utilize venturi's special-shaped structure to make the speed of flowing through this pipe fluid change and produce differential pressure to make outside gas entering circulating line through air supplement unit, and along with the material gets into in the barrel together, thereby form the bubble in the barrel, avoided setting up solitary air feeder, saved the manufacturing cost of equipment.
The utility model discloses a theory of operation is: the main components of the fly ash are carbon particles and ash. After the flotation agent and/or the collecting agent and/or other auxiliary agents are added, particles in the fly ash are contacted and collided with bubbles, and carbon particles with good floatability are selectively adhered to the bubbles and are carried to rise, so that flotation is realized. Whereas ash with poor floatability sinks downwards.
The utility model discloses a work flow is: the mixture of the fly ash raw material and the flotation agent in the distribution device enters the cylinder body through a plurality of distribution pipelines positioned at the lower part or the bottom end of the distribution device and falls onto the flotation plate at the top layer. Then downward through the layer-by-layer flotation plates to the bottom of the cylinder, into the circulation pipe, and from there back into the cylinder. The venturi structure in the circulating pipeline generates negative pressure, so that external gas enters the circulating pipeline from the gas supplementing port and enters the cylinder body along with the material, and bubbles are formed in the cylinder body. The carbon particles are adhered to the bubbles under the action of the flotation agent, float in a scattered manner and move upwards, smoothly pass through the holes in the flotation plates of all layers and fall onto the flotation plate at the uppermost layer, and the flotation of the carbon particles is realized. The floated carbon particles are collected in an overflow collection section. The ash with poor floatability falls to a tail ash collecting section without being floated by a flotation plate.
According to one embodiment of the present invention, the circulation pipeline comprises a material collection section, a material pumping section, and a material air supplement section; the side wall of the cylinder body is connected with the material collecting section, the material collecting section is connected with the material pumping section, the material pumping section is connected with the material air supplementing section, and the material air supplementing section is connected to the side wall of the cylinder body; the circulating pump sets up in material pumping section. The material in the cylinder enters the material collecting section from the cylinder under the suction action of the circulating pump, then enters the material air supplementing section through the material pumping section, and finally returns to the cylinder from the material air supplementing section. Particularly, the connecting points of the material collecting section and the material air supplementing section with the side wall of the cylinder are both positioned below the bottom layer flotation plate.
The material air supplement section is provided with a Venturi tube structure, and the air supplement device is an air supplement tube with one end connected with the material air supplement section and the other end opened. Therefore, the external gas enters from the gas supplementing pipe and enters the barrel along with the material in the material gas supplementing section, namely, the material is brought into the barrel after circulating for a circle, and the external gas is brought into the barrel.
According to the utility model discloses a further embodiment, circulating line still includes the material reposition of redundant personnel section, and this material reposition of redundant personnel section can be, for example, the ring form that the level set up, and material tonifying qi section is connected in material pump sending section through this material reposition of redundant personnel section. In addition, the material air supplement sections connected to the material flow distribution section can be multiple, materials in the material pumping section firstly enter the material flow distribution section, and then enter the material air supplement sections from the material flow distribution section.
According to another embodiment of the present invention, the tail ash collecting section is a cone bucket with a downward tip, and the tail ash outlet is located at the tip of the bottom of the tail ash collecting section. The tail ash outlet is connected with a tail ash pipeline, for example, the tail end of the tail ash pipeline is positioned above the top layer flotation plate at the height. Further, the tail end of the tail ash pipeline is provided with a liquid level adjusting device for adjusting the height of the liquid level in the flotation separation device, and the liquid level adjusting device can specifically comprise:
the thin tube is inserted into the tail ash pipeline, the outer diameter of the thin tube is consistent with the inner diameter of the tail ash pipeline, and a plurality of holes are formed in the side wall of the upper part of the thin tube;
and the screw rod is connected with the thin tube and can adjust the height of the thin tube. Wherein, the lead screw can be fixedly connected to the side wall of the tubule or the sealing cover thereof.
The tail ash in the tail ash pipeline flows out from the hole in the side wall of the thin tube, and the height of the liquid level in the flotation separation device can be adjusted by adjusting the height of the hole in the side wall of the thin tube. Particularly, the screw rod is provided with a rotary handle, and the screw rod is rotated by rotating the rotary handle, so that the thin tube inserted into the tail ash pipeline is driven to move up and down.
According to the utility model discloses a further embodiment still includes the tail ash box, and the tail ash box is located the end of tail ash pipeline, and the cover is outside the tail ash pipeline, and the ash discharge mouth has been opened to the lower part or the bottom of tail ash box.
According to the utility model discloses a further embodiment is equipped with the feed inlet on the distributor and connects in the charge-in pipeline of this feed inlet.
According to another embodiment of the present invention, the cylinder is a cylinder or a square cylinder. The corner of the square cylinder can form reflection, and the distribution of particles and bubbles in the cylinder is more uniform. In addition, a filter plate can be arranged above the tail ash collecting section in the cylinder body so as to slow down the descending speed of the materials.
According to another embodiment of the invention, the flotation separation device further comprises a physical separation device located on the wall of the cylinder. By arranging the physical separation device, the combination between carbon particles and ash is effectively broken, and the flotation rate of carbon is greatly improved. The physical separation device may be an ultrasonic separation device or an ultrasonic dispersion device, and the separation of the carbon particles and the ash is improved by emitting ultrasonic waves, for example, ultra-fine carbon particles having a particle size of ten thousand mesh are formed. Specifically, the ultrasonic separation device or the ultrasonic breaking device comprises an ultrasonic emitter and a matched auxiliary device.
In addition, the flotation separation device of the present invention may also be provided with a power-driven air supply device to provide external air supply other than air supply, for example, the air supply device may include an air blower and an air supply pipe connected to the air blower and leading into the flotation separation device.
Compared with the prior art, the utility model discloses in, thereby utilize venturi's special-shaped structure to make the speed of flowing through this pipe fluid change and produce differential pressure to make outside gas entering circulating line through air supplement unit, and along with the material gets into in the barrel together, thereby form the bubble in the barrel, avoided setting up solitary air feeder, saved the manufacturing cost of equipment.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a liquid level adjusting device according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of embodiment 2 of the present invention.
Detailed Description
Example 1
As shown in fig. 1, embodiment 1 of the present invention includes: storage device 8, distributor 1, the barrel 2 of vertical setting, overflow collection section 3, tail ash collection section 4, multilayer flotation plate 5, circulating device 6, tail ash case 7, liquid level adjusting device 9.
Wherein, a stirring device 801 is arranged in the storage device 8 and is used for fully stirring the fly ash raw material slurry and the flotation agent. The lower part of the storing device 8 is provided with a feeding pipeline 802, a slurry pump 803 is arranged on the feeding pipeline 802, and the feeding pipeline 802 leads to the distributing device 1.
A plurality of layers of flotation plates 5 (for example, 3 layers) are arranged at intervals in the cylinder body 2.
The overflow collecting section 3 is positioned outside the upper section of the cylinder body 2, and the top end of the cylinder body 2 is positioned between the top end and the bottom end of the overflow collecting section 3; the bottom end of the overflow collecting section 3 is provided with a discharge hole 301.
The tail ash collecting section 4 is positioned at the bottom of the barrel 2 and is in a cone hopper shape with a downward tip, and a tail ash outlet 401 is arranged at the tip of the bottom of the tail ash collecting section. The tail ash outlet 401 is connected to a tail ash conduit 402, the tail end of which conduit 402 is at a height above the top flotation plate 5 to adjust the liquid level in the flotation separation apparatus. The tail end of the tail ash pipeline 402 is provided with a liquid level adjusting device 9 (as shown in fig. 2), the liquid level adjusting device 9 comprises a thin tube 901 inserted into the tail ash pipeline 402, a sealing cover 903 fixedly connected to the top end of the thin tube 901, and a screw rod 904 fixedly connected to the top end of the sealing cover 903, wherein the outer diameter of the thin tube 901 is consistent with the inner diameter of the tail ash pipeline 402, and the side wall of the upper part of the thin tube 901 is provided with a plurality of long holes 902; the screw rod 904 is provided with a rotary handle 905, the screw rod 904 is rotated by rotating the rotary handle 905, so that the thin tube 901 inserted into the tail ash pipeline 402 is driven to move up and down, and the liquid level in the cylinder 2 is adjusted by adjusting the height of the long hole 902 from which the tail ash flows out.
The tail ash box 7 is positioned at the tail end of the tail ash pipeline 402 and is sleeved outside the tail ash pipeline 402, and an ash discharge port 701 is formed in the lower portion of the tail ash box 7.
The distribution device 1 is a container provided with a plurality of (e.g. 4) distribution pipes 103 at the lower part, which are located above the overflow collecting section 3, and the ends of the distribution pipes 103 are located above the top flotation plate 5; the distribution device 2 is provided with a feed inlet 102, to which feed inlet 102 the other end of the feed conduit 802 is connected.
The circulation device 6 includes: a material collection section 61, a material pumping section 62, a material diversion section 63 and a material air supplement section 64.
The material collecting section 61 includes a plurality (e.g., 4) of discharging sections 611 and collecting sections 612. One end of each of the plurality of discharging sections 611 is connected to the side wall of the cylinder 2, the connection point is located below the bottom flotation plate 5, and the other end is connected to the collecting section 612. The collecting section 612 is vertically arranged in a semicircular ring shape.
One end of the material pumping section 62 is connected with the collecting section 612; a circulation pump 621 is located on the material pumping section 62.
The other end of the material pumping section 62 is connected with a material shunting section 63, and the material shunting section 63 is in a horizontally arranged circular ring shape.
The material air supply section 64 has a plurality of (for example, 4) material air supply sections 64, one end of each material air supply section 64 is connected to the material pumping section 62, the other end of each material air supply section 64 is connected to the side wall of the cylinder 2, and the connection point is located below the bottom layer flotation plate 5.
The venturi tube structure 641 is arranged in each material air supply section 64, and an air supply device is arranged on the side wall of each material air supply section 64 and at a position corresponding to the venturi tube structure 641 for forming negative pressure, and comprises an air supply port and an air supply pipe 642 connected to the air supply port.
Example 2
As shown in fig. 3, embodiment 2 of the present invention is similar to embodiment 1, except that: there is no tail ash pipe 402, tail ash tank 7, level control 9.
Example 3
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention shall be covered by the scope of the invention.
Claims (10)
1. An internal circulation type fly ash flotation separation device comprises a vertically arranged barrel, a flotation plate positioned in the barrel, a distribution device, a circulation device, an overflow collection section and a tail ash collection section; it is characterized in that the preparation method is characterized in that,
the overflow collecting section is arranged outside the upper section of the cylinder body, and the bottom end of the overflow collecting section is provided with a discharge hole;
the tail ash collecting section is arranged at the bottom end of the cylinder body and is provided with a tail ash outlet;
the distribution device is positioned above the overflow collecting section and is a container with a plurality of distribution pipelines arranged at the lower part or the bottom end; and
the circulating device comprises a circulating pipeline and a circulating pump positioned on the circulating pipeline; the circulating pipeline is provided with a Venturi tube structure, and an air supplementing device is arranged on the position of the side wall of the circulating pipeline corresponding to the Venturi tube structure and forming negative pressure.
2. The flotation separation apparatus of claim 1, wherein the circulation line includes a material collection section, a material pumping section, and a material aeration section; the side wall of the cylinder is connected with the material collecting section, the material collecting section is connected with the material pumping section, the material pumping section is connected with the material air supplementing section, and the material air supplementing section is connected to the side wall of the cylinder; the circulating pump is arranged at the material pumping section; the material air supplementing section is internally provided with the Venturi tube structure; the air supplementing device is an air supplementing pipe with one end connected with the material air supplementing section and the other end provided with an opening.
3. The flotation separation device of claim 2, wherein the circulation line further comprises a material diversion section, and the material air make-up section is connected to the material pumping section through the material diversion section.
4. The flotation separation device according to claim 3, wherein the material air replenishing sections are provided in plurality, and the other ends of the material air replenishing sections are connected to the material flow dividing section.
5. The flotation separation apparatus of claim 2 wherein the points of connection of the material collection section and the material aeration section to the side wall of the tank are both below the bottom flotation plate.
6. The flotation separation apparatus of claim 1, wherein the tail ash collection section is in the form of a downward pointing cone hopper, and the tail ash outlet is at the tip of the bottom thereof.
7. The flotation separation device of claim 6, wherein the tail ash outlet is connected to a tail ash conduit.
8. The flotation separation device of claim 7, wherein the end of the tail ash conduit is provided with a liquid level adjustment device for adjusting the liquid level in the flotation separation device.
9. The flotation separation device of claim 8, wherein the level adjustment device comprises:
the thin tube is inserted into the tail ash pipeline, the outer diameter of the thin tube is consistent with the inner diameter of the tail ash pipeline, and a plurality of holes are formed in the side wall of the upper part of the thin tube;
and the screw rod is connected with the thin tube and can adjust the height of the thin tube.
10. The flotation separation device according to claim 7 or 8, further comprising a tail ash box, wherein the tail ash box is positioned at the tail end of the tail ash pipeline and is sleeved outside the tail ash pipeline, and an ash discharge port is formed in the lower part or the bottom end of the tail ash box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202326572U CN202199430U (en) | 2011-07-04 | 2011-07-04 | Internal cycle type fly ash flotation separation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202326572U CN202199430U (en) | 2011-07-04 | 2011-07-04 | Internal cycle type fly ash flotation separation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202199430U true CN202199430U (en) | 2012-04-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202326572U Expired - Fee Related CN202199430U (en) | 2011-07-04 | 2011-07-04 | Internal cycle type fly ash flotation separation device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202199430U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247936A (en) * | 2011-07-04 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Self-gas-supply type fly ash floatation separation device |
| CN102773170A (en) * | 2012-07-24 | 2012-11-14 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Push flow aeration type coal ash flotation and separation device |
-
2011
- 2011-07-04 CN CN2011202326572U patent/CN202199430U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102247936A (en) * | 2011-07-04 | 2011-11-23 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Self-gas-supply type fly ash floatation separation device |
| CN102773170A (en) * | 2012-07-24 | 2012-11-14 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Push flow aeration type coal ash flotation and separation device |
| CN102773170B (en) * | 2012-07-24 | 2015-08-19 | 福建省龙岩龙能粉煤灰综合利用有限公司 | Plug-flow aeration type fuel ash flotation separation equipment |
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