CN109847675A - A kind of plasma powder preparation facilities - Google Patents
A kind of plasma powder preparation facilities Download PDFInfo
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- CN109847675A CN109847675A CN201910330154.XA CN201910330154A CN109847675A CN 109847675 A CN109847675 A CN 109847675A CN 201910330154 A CN201910330154 A CN 201910330154A CN 109847675 A CN109847675 A CN 109847675A
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- plasma
- heating room
- chilling tower
- preparation facilities
- powder
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- 239000000843 powder Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000001816 cooling Methods 0.000 claims description 25
- 239000000498 cooling water Substances 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 9
- 238000009826 distribution Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 9
- 239000004744 fabric Substances 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007600 charging Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 206010022000 influenza Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229940098458 powder spray Drugs 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Abstract
The present invention provides a kind of plasma powder preparation facilities, including chilling tower, heating room and plasma torch, plasma torch is set to the upper end of heating room, heating room upper end is additionally provided with feed pipe, the lower end for heating room connects chilling tower, it is characterized by: the lower end of chilling tower is equipped with powder collection device, Bag filter separator is arranged in the discharge gate of powder collection device, and powder collection device lower end is equipped with feed bin plugging device.The present invention is collected by using Bag filter separator, feed bin plugging device plasma, Bag filter separator is convenient for the collection to dust, the setting of feed bin plugging device, effectively reduce the distribution of dust, the pollution to environment is reduced, the collection efficiency of plasma powder is improved；Collecting bin and water tank is arranged in feed bin plugging device, further reduces the distribution of dust, and convenient for improving collection rate, while the collection of the pressure difference plasma powder inside and outside effective solution chilling tower influences.
Description
Technical field
The present invention relates to the technology that plasma prepares powder, especially a kind of plasma powder preparation facilities.
Background technique
Plasma torch is a kind of device that electric energy is directly changed into as plasma.It is high with high-energy density
The feature of activity, central temperature is high to reach up to ten thousand degrees Celsius, and for mean temperature up to 5000 degrees Celsius, no burning, non-oxidation are anti-
It answers, direct electricity consumption is able to achieve high temperature, can accelerate reaction process.The principle that plasma prepares powder is to utilize heat plasma
The thermal-flame that body generates will be fed into powder material therein and heat rapidly, melts or gasify, or along with chemical reaction, with
Dusty material plasma high-temperature region is taken out of by air-flow, the effect of the powder granule of melting in surface tension and rapid cooling
It is shrunk to spheric granules rapidly down, can be used for the preparation etc. of reaction, the nodularization of dusty material using this principle, however is preparing
The collection of plasma in the process, some are collected using multi-level cyclone, and often the undesirable dust of effect is more, to ring
Border influences.
Summary of the invention
The object of the present invention is to overcome the above-mentioned deficiency of the prior art, and provide a kind of convenient for plasma collection, raising
Collection rate and environment amenable plasma powder preparation facilities.
The technical scheme is that a kind of plasma powder preparation facilities, including chilling tower, heating room and plasma fire
Torch, plasma torch are set to the upper end of heating room, and heating room upper end is additionally provided with feed pipe, heat the lower end connection chilling tower of room,
The lower end of chilling tower is equipped with powder collection device, and Bag filter separator is arranged in the discharge gate of powder collection device, and powder is collected
Device lower end is equipped with feed bin plugging device.
Further, the feed bin plugging device includes collecting bin for blocking discharge gate and for disposing collecting bin to overflow
The water tank of water, collecting bin upper surface are higher than the position of discharge gate lower end surface, and collecting bin is fixed in water tank by fixed frame.
Further, the water tank lower end is equipped with drainpipe, and upper end is equipped with overflow pipe, is equipped with valve on drainpipe and overflow pipe
Door.
Further, cooling system is equipped in the chilling tower, cooling system includes at least two layers of ring in chilling tower
Shape pipeline and the nozzle for being used to cool down plasma on circulating line, every layer of at least three atomization spray of circulating line setting
Mouth, circulating line are connect with cooling water inlet pipe.
Further, the chilling tower is equipped with exhaust pipe, and exhaust pipe is fixedly connected with flue by flange, and flue connection is drawn
Blower is additionally provided with observation window on chilling tower.
Further, the chilling tower is fixed on above water tank by support frame.
Further, the plasma torch is equipped with the plasma channel being connected to heating chamber, and connecting portion is equipped with exhausted
Edge ring.
Further, the heating room is equipped with cooling system；Heating room be double layer hollow structure, heating room be equipped with it is hollow
The interconnected heating room water inlet pipe of structure and heating room outlet pipe, heating room outlet pipe are located at the top of heating room outlet pipe.
Further, the heating room upper end is equipped with feed pipe, heats the tapered structure in lower end of room, and pyramidal structure lower end is logical
It crosses connecting flange and chilling tower is tightly connected, junction is equipped with gasket.
The present invention has a characteristic that
1, the present invention is collected using Bag filter separator, feed bin plugging device plasma, Bag filter separator
Convenient for the collection to dust, the setting of feed bin plugging device effectively reduces the distribution of dust, reduces the dirt to environment
Dye, improves the collection efficiency of plasma powder.
2, feed bin plugging device setting collecting bin and water tank, further reduce the distribution of dust, collect convenient for improving
Rate, while the collection of the pressure difference plasma powder inside and outside effective solution chilling tower influences.
3, multi-layer annular pipeline is set in chilling tower, the nozzle for cooling down plasma is set on pipeline, makes plasma
The all angles of body powder can be cooled down, while plasma powder obtains continuing cooling, cooling effect in dropping process
Fruit is more abundant, effectively raises cooling effect.
4, heating room is equipped with cooling system, for reducing the temperature of heating room, prevents because temperature is excessively high outdoor to heating
Other equipment impacted because temperature is excessively high.
5, the configuration of the present invention is simple is convenient for plasma powder suitable for the manufacturing of other plasma metal powders
The Collection utilization at end.
Detailed construction of the invention is further described below in conjunction with the drawings and specific embodiments.
Detailed description of the invention
Fig. 1-is the structural schematic diagram of plasma powder preparation facilities of the present invention；
Fig. 2-is the structure sectional view of plasma powder preparation facilities in Fig. 1；
Fig. 3-is the structure right side view of plasma powder preparation facilities in Fig. 2；
1-chilling tower, 2-gaskets, 3-pyramidal structures, 4-heating rooms, 5-dead rings, 6-plasma channels, 7-the first etc.
Ion torch, the 8-the second plasma torch, 9-feed pipes, 10-heating room outlet pipes, 11-heating room water inlet pipes, 12-rings
Shape pipeline, 13-observation windows, 14-atomizers, 15-water tanks, 16-discharge gates, 17-collecting bins, 18-fixed frames, 19-
Drainpipe, 20-overflow pipes, 21-exhaust pipes, 22-flanges, 23-flues, 24-cooling water inlet pipes, 25-filter cloth bags.
Specific embodiment
It is as shown in Figs. 1-3: a kind of plasma powder preparation facilities, including chilling tower 1, heating room 4 and plasma torch, etc.
Ion torch is set to the upper end of heating room 4, and heating 4 upper end of room is additionally provided with feed pipe 9, and the lower end of heating room 4 connects chilling tower 1,
The lower end of chilling tower 1 is equipped with powder collection device, and Bag filter separator is arranged in the discharge gate 16 of powder collection device, and powder is received
Acquisition means lower end is equipped with feed bin plugging device.
Feed pipe 9 is set to heating 4 upper end of room；Preferably, feed pipe 9 is located on heating 4 central axis of room, is convenient for feed pipe
9 chargings, while meeting with high-temperature plasma convenient for powder, improve production efficiency；Using pneumatic conveying mode by raw material powder
Spray into heating room 4, powder made to meet with high-temperature plasma, to powder progress instant heating, stream pressure in 50Pa or more, into
Expect air velocity control in 2 ~ 30m/s.
Plasma torch includes the first plasma torch 7 and the second plasma torch 8, the first plasma torch 7 and second
At an angle, plasma torch diagonally downward, is symmetrically distributed in feed pipe 9 for plasma torch 8 and the center line of heating room 4
The angle of two sides, plasma torch and center line is 10 ° ~ 60 °；The multiple settings of plasma torch, convenient for improve production efficiency and
Product quality.
Plasma torch is equipped with the plasma channel 6 being connected to inside heating room 4, and connecting portion is equipped with dead ring 5；Deng from
Subchannel 6 is the channel of high-temperature plasma air-flow, is connected to inside room 4 with heating, plasma torch is adopted with heating 4 connecting portion of room
It is obstructed with dead ring 5, prevents influence of the high temperature to heating room 4 or plasma torch, improve plasma torch and heating room 4
Between bonding strength and service life, dead ring 5 be made using insulating materials.
It heats room 4 and is equipped with cooling system；Preferably, heating room 4 is double layer hollow structure, and heating room 4 can also be interior
Spiral circulation cooling pipe structure is set, heating room 4 is equipped with the heating room water inlet pipe 11 being interconnected with hollow structure and heating room
Outlet pipe 10, heating room outlet pipe 10 be located at heating room outlet pipe 10 top, in this way setting convenient for cooling water with heat room 4 it
Between heat transfer, convenient for the raising of cooling effect；Cooling water is inputted in heating room water inlet pipe 11 using water pump pressurization, water inlet
0.1 ~ 0.9MPa of pressure controls water cooling speed in 10 ~ 200L/min.
It heats 4 upper end of room and is equipped with feed pipe 9, heat the tapered structure 3 in lower end of room 4, pyramidal structure 3 is in inverted v-shaped, cone
The setting of shape structure 3 convenient for the plasma of raw material powder, while can buffer impact when plasma occurs to surrounding
Power falls convenient for plasma powder, and accumulation is avoided to influence production efficiency and quality；3 lower end of pyramidal structure passes through connecting flange
It is tightly connected with chilling tower 1, junction is equipped with gasket 2, for improving the sealing intensity of junction.
Observation window 13 is set on chilling tower 1,1 inner case of chilling tower can be observed constantly.
Cooling system is equipped in chilling tower 1, cooling system includes at least two layers of 12 He of circulating line in chilling tower 1
For cooling down the nozzle of plasma on circulating line 12, at least three atomizers 14 are arranged in every layer of circulating line 12,
Circulating line 12 is connect with cooling water inlet pipe 24, and circulating line 12 is annulus apart from heating 4 bottom 100 ~ 800mm of spacing of room
Shape structure prevents influence of the high temperature to circulating line 12 convenient for protecting to circulating line 12；Preferably, circulating line 12
Upper uniform circular is distributed at least three or more atomizer 14, and the dislocation of atomizer 14 on adjacent two layers circulating line 12 is set
It sets, the setting of circulating line multilayer, convenient for the lasting cooling during plasma powder down, the dislocation of atomizer 14 is set
It sets, can guarantee that plasma powder all angles can contact coolant liquid, convenient for improving cooling effect, the mist of atomizer 14
Change the fan-shaped structure of range, the angle of sector structure is 120 °, and 14 water spraying direction of atomizer is directed toward the center of chilling tower 1, uses
In cooling plasma powder.Cooling water inlet pipe 24 connects 0.1 ~ 0.9MPa of water feeding of water pump pressure, control water cooling speed 1 ~
30L/min。
The lower end of chilling tower 1 is equipped with powder collection device, and the tapered structure 3 of powder collection device is shunk, pyramidal structure 3
Lower end is discharge gate 16, and the powder handled by high-temperature plasma is discharged at discharge gate 16 under the effect of excessive atomized water；
Bag filter separator is arranged in discharge gate 16, is blocked discharge gate 16 using Bag filter separator, and powder is by Bag filter point
It obstructing, is retained in inside cloth bag from the filter cloth bag 25 in device, water flows out cloth bag, the collection efficiency of powder is effectively raised,
The distribution of dust or the generation of fugitive dust are effectively reduced simultaneously, effectively reduces the influence to environment.
Feed bin plugging device is arranged in 16 lower end of discharge gate, and feed bin plugging device includes the collecting bin for blocking discharge gate 16
17 and for dispose collecting bin 17 overflow water water tank 15,17 upper surface of collecting bin be higher than 16 lower end surface of discharge gate position, this
Sample can flood discharge gate 16 after collecting bin 17 fills water, block to discharge gate 16, prevent high-temperature gas from escaping from bottom
Out, the pressure balance inside and outside chilling tower 1 is effectively guaranteed, while ensure that the efficiency that powder is collected；Collecting bin 17 passes through solid
To determine frame 18 to be fixed in water tank 15, fixed frame 18 is placed in 15 bottom of water tank, and collecting bin 17 can also take out from fixed frame 18,
The water that water tank 15 is used to that collecting bin 17 to be disposed to overflow.
Chilling tower 1 is fixed on 15 top of water tank by support frame, and support frame also is secured to the bottom of water tank 15,15 water of water tank
Position lowest part setting drainpipe 19 and valve, for the spilling of superfluous water, overflow pipe is arranged in the design highest water level of water tank 15
20 and valve, for draining for water.
Exhaust pipe 21 is arranged in the side of chilling tower 1, and exhaust pipe 21 is attached with flue 23 using flange 22.Flue 23 with
Air-introduced machine connection, negative pressure requirements -50 ~ -2000Pa of flue 23,100 ~ 5000L/min of flue gas flow.
The method of operation of the invention is as follows: the water pump of cooling water supply water inlet pipe 24 being opened, cooling water inlet pipe is controlled
0.1 ~ 0.9MPa of water pressure at 24 controls water cooling speed in 1 ~ 30L/min.The water pump for turning supply on heating room water inlet pipe 11, into
0.1 ~ 0.9MPa of water pressure controls water cooling speed in 10 ~ 200L/min.15 drainpipe 19 of water tank is closed, 15 overflow pipe of water tank
20 open.Filter cloth bag 25 is blocked at discharge gate 16, after collecting bin 17 fills water, the air-introduced machine that will be connect with flue 23
Open, negative pressure requirements -50 ~ -2000Pa, 100 ~ 5000L/min of flue gas flow, thus keep chilling tower 1 with heat room 4 in be
Negative pressure state.Only the air-flow of feed pipe 9 is started, but raw material powder is not sent into pipeline, stream pressure is in 50Pa or more, charging
Air velocity is controlled in 2 ~ 30m/s.Start plasma torch, after the temperature in hot cell 4 to be added is stablized, by the original in feed pipe 9
Feed powder end is opened, and raw material powder is transported to the high-temperature plasma come out in heating room 4 with plasma torch channel and is met, former
Feed powder end is heated rapidly, melts, reacts.Powder is moved downwardly under the action of air-flow and gravity in chilling tower 1, in chilling
It meets with atomized water from hot chilling in tower 1, high-temperature flue gas is also simultaneously cooled, and partial moisture is evaporated to vapor, extra
Water is adsorbed on powder to be settled from discharge gate 16 with the effect of gravity, and powder is collected in filter cloth bag 25, and water is from filtering
Cloth bag 25 enters collecting bin 17, is then spilled over to water tank 15, flue gas and vapor and is discharged as exhaust pipe 21 enters in flue 23.
The preferred embodiments of the invention are described in detail above, it is apparent that the present invention is not limited in above-mentioned embodiment party
Case.Within the scope of the technical concept of the present invention, a variety of equivalent variations, these equivalent changes can be carried out to technical solution of the present invention
Type all belongs to the scope of protection of the present invention.In addition, it is necessary to which explanation, each described in above-mentioned specific embodiment
Technical characteristic separately can be independently combined, as long as it is within the scope of the technical concept of the present invention.
Claims (9)
1. a kind of plasma powder preparation facilities, including chilling tower, heating room and plasma torch, plasma torch are set to heating
The upper end of room, heating room upper end are additionally provided with feed pipe, heat the lower end connection chilling tower of room, it is characterised in that: under chilling tower
End is equipped with powder collection device, and Bag filter separator is arranged in the discharge gate of powder collection device, and powder collection device lower end is set
There is feed bin plugging device.
2. plasma powder preparation facilities according to claim 1, it is characterised in that: the feed bin plugging device includes using
In the collecting bin for blocking discharge gate and for disposing collecting bin to overflow the water tank of water, collecting bin upper surface is higher than discharge gate lower end surface
Position, collecting bin is fixed in water tank by fixed frame.
3. plasma powder preparation facilities according to claim 2, it is characterised in that: the water tank lower end is equipped with draining
Pipe, upper end are equipped with overflow pipe, are equipped with valve on drainpipe and overflow pipe.
4. plasma powder preparation facilities according to claim 1, it is characterised in that: be equipped with cooling system in the chilling tower
System, cooling system include at least two layers of circulating line in chilling tower and are used to cool down plasma on circulating line
Nozzle, at least three atomizers are arranged in every layer of circulating line, and circulating line is connect with cooling water inlet pipe.
5. plasma powder preparation facilities according to claim 4, it is characterised in that: the chilling tower is equipped with exhaust
Pipe, exhaust pipe are fixedly connected with flue by flange, and flue connects air-introduced machine, are additionally provided with observation window on chilling tower.
6. plasma powder preparation facilities according to claim 5, it is characterised in that: the chilling tower is solid by support frame
It is scheduled on above water tank.
7. plasma powder preparation facilities according to claim 1, it is characterised in that: the plasma torch is equipped with and adds
The plasma channel being connected to inside hot cell, connecting portion are equipped with dead ring.
8. plasma powder preparation facilities according to claim 1, it is characterised in that: the heating room is equipped with cooling system
System；Heating room is double layer hollow structure, and heating room is equipped with the heating room water inlet pipe being interconnected with hollow structure and heating room goes out
Water pipe, heating room outlet pipe are located at the top of heating room outlet pipe.
9. plasma powder preparation facilities according to claim 8, it is characterised in that: the lower end of the heating room is tapered
Structure, pyramidal structure lower end are tightly connected by connecting flange and chilling tower, and junction is equipped with gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910330154.XA CN109847675A (en) | 2019-04-23 | 2019-04-23 | A kind of plasma powder preparation facilities |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910330154.XA CN109847675A (en) | 2019-04-23 | 2019-04-23 | A kind of plasma powder preparation facilities |
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| CN109847675A true CN109847675A (en) | 2019-06-07 |
Family
ID=66889376
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