CN207950968U - A kind of rare earth calcination rotary kiln dust treatment device - Google Patents
A kind of rare earth calcination rotary kiln dust treatment device Download PDFInfo
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- CN207950968U CN207950968U CN201820150179.2U CN201820150179U CN207950968U CN 207950968 U CN207950968 U CN 207950968U CN 201820150179 U CN201820150179 U CN 201820150179U CN 207950968 U CN207950968 U CN 207950968U
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- deduster
- rotary kiln
- rare earth
- treatment device
- dedusting
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Abstract
The utility model is related to a kind of rare earth calcination rotary kiln dust treatment device, including deduster, electric heater and wind turbine, multiple flexible membrane filters are installed in deduster；Deduster lower inlet is connected to rotary kiln outlet flue, and the upper end is connect with wind turbine；Electric heater includes scavenger pump, air compressor and heating element, scavenger pump one end is connected with deduster, the other end is connected with heating element one end, the heating element other end is connected with air compressor, the utility model processing accuracy improves, and the service life that burning bag phenomenon and flexible membrane will not occur greatly improves.
Description
Technical field
The utility model is related to a kind of deduster field more particularly to a kind of rare earth calcination rotary kiln dust processing dresses
It sets.
Background technology
At present in bastnaesite Rare Earth Production flow, rare earth is after rotary kiln baking, the on the one hand meeting of flue dust direct emission
Environmental pollution is caused, contains valuable dust in another aspect flue dust, direct emission can result in waste of resources, therefore in the prior art
Generally the high-temperature flue gas generated after roasting is gathered dust through one cyclonic dedusting and two level cyclone dust removal, then through bag filter, most
It is discharged by washing, this dedusting method occupation area of equipment is big, and intersection accuracy can be lower with usage time, in high-temperature condition
Under be easy to happen burning bag phenomenon and filter bag replace it is frequent.
Utility model content
Technical problem to be solved in the utility model is in view of the deficiencies of the prior art, to provide a kind of rare earth roasting revolution
Kiln dust-extraction unit, at least one to solve the above technical problems.
The technical solution that the utility model solves above-mentioned technical problem is as follows, a kind of rare earth calcination rotary kiln dust-extraction unit,
Including deduster, electric heater and wind turbine, multiple flexible membrane filters are installed in deduster；Deduster is provided with smoke inlet, goes out
Mouth and air inlet；Smoke inlet is connected to rotary kiln outlet flue, and outlet flue is connect with wind turbine；Air inlet is connect with electric heater.
The utility model has the beneficial effects that：Dust-extraction unit includes deduster, electric heater and wind turbine, what rotary kiln generated
Ash-laden gas is discharged through rotary kiln outlet flue, enters deduster through deduster smoke inlet, by the flexible membrane filter in deduster
Filtering, purified flue gas is discharged into air by wind turbine while recycling valuable dust；Deduster is realized using flexible membrane filter
High-precision gas solid separation under high temperature replaces deduster by electric heater heated compressed air before dust-extraction unit booting operation
Interior cold air prevents the damage filter core that condenses because of cold and hot mutation when booting, greatly improves the service life of flexible membrane filter.
Based on the above technical solution, the utility model can also do following improvement.
Further, electric heater includes scavenger pump, air compressor and heating element, and scavenger pump one end and air inlet connect
It connects, the other end is connected with heating element one end, and the heating element other end is connected with air compressor.
Advantageous effect using above-mentioned further scheme is：The compression to air, heating unit are realized by air compressor
Part heats compressed air, and the compressed air after heating is sent into deduster by scavenger pump, is preheated to flexible membrane filter,
The damage filter core that condenses because of cold and hot mutation when booting is prevented, the service life of flexible membrane filter is improved.
Further, electric heater further includes thermostat valve and indicator light, and thermometric instruments, thermostat valve are equipped on thermostat valve
Mounted on air inlet, indicator light is connect with thermostat valve circuit.
Advantageous effect using above-mentioned further scheme is：The temperature monitor of thermostat valve can detect the temperature in deduster
Degree, when temperature is higher than designated value in deduster, indicator light does not work, and need not open valve, i.e., need not be noted into deduster
Enter the compressed air after heating to preheat, indicator light is bright when the temperature detected is less than designated value, valve need to be opened, to dedusting
Device is preheated, be preheated to designated value rear indicator light go out close valve, electric heater is stopped, energy saving, reduce power consumption,
And sealed valve is arranged by air inlet, deduster 1 closes sealed valve after being switched on, prevents ash-laden gas from entering electric heater 2.
Further, deduster further includes dust-removing cover, dedusting cylinder and ash bucket, and dust-removing cover is tightly connected dedusting cylinder upper end,
Dedusting cylinder lower end is tightly connected ash bucket upper end；Dust-removing cover is flat-tope structure；Dedusting cylinder is tubular structure；Ash bucket is taper knot
Structure.
Advantageous effect using above-mentioned further scheme is：The sealed connection of dust-removing cover, dedusting cylinder and ash bucket, ensure that
Deduster sealing performance, reduces power of fan, improves the dust removing effects of deduster, ash bucket is pyramidal structure, for collecting
Valuable dust.
Further, deduster further includes dedusting card, and dedusting card is installed in dedusting cylinder, is located on dedusting cylinder
Portion；Multiple mounting holes for installing flexible membrane filter are provided on dedusting card.
Advantageous effect using above-mentioned further scheme is：Dedusting card is installed in dedusting cylinder, is located at dedusting cylinder
Top is provided with multiple holes for installing flexible membrane filter on bag filter tubesheet, and fixed basis is provided for flexible membrane filter.
Further, deduster outlet flue is between dedusting card and dust-removing cover.
Advantageous effect using above-mentioned further scheme is：It is located at dedusting card and dedusting by the way that deduster outlet flue is arranged
Between lid, the wind turbine being connect with outlet flue arranges the purifying smoke after the flexible membrane filter element filtering on dedusting card
Go out to air.
Further, deduster smoke inlet is located at dedusting cylinder lower end.
Advantageous effect using above-mentioned further scheme is：It is located at dedusting cylinder lower end by the way that deduster smoke inlet is arranged,
Ash-laden gas into deduster can to the greatest extent be contacted with the realization of the flexible membrane filter on dedusting card, be improved
The dust removing effects of deduster.
Further, air inlet is located at dedusting cylinder lower end.
Advantageous effect using above-mentioned further scheme is：It is located at the lower end of dedusting cylinder by the way that air inlet is arranged, enters
During heated compressed air in deduster is contacted by shortest path and flexible membrane filter, and itself rises completely
The flexible membrane filter of contact, realizes the preheating to filter core.
Further, flexible membrane filter is the asymmetry membrane filter using intermetallic compound porous material.
Advantageous effect using above-mentioned further scheme is：By using the asymmetry of intermetallic compound porous material
Membrane filter realizes high-precision gas solid separation under high temperature, and flexible membrane filter high temperature resistant, filtering accuracy are high, separative efficiency is high, filtering is logical
Amount is high, filtration resistance is low, also has good thermal conductivity and resistant to ammonia gas corrosion.
Further, deduster smoke inlet is provided with valve.
Advantageous effect using above-mentioned further scheme is：Valve is set by the smoke inlet in deduster, works as electrical heating
Device closes valve when compressed air is injected deduster, prevents air in deduster from entering rotary kiln.
Description of the drawings
Fig. 1 is a kind of rare earth calcination rotary kiln dust treatment device schematic diagram of the utility model；
In attached drawing, parts list represented by the reference numerals are as follows：
1, deduster, 2, electric heater, 3, wind turbine, 4, rotary kiln outlet flue, 11, dust-removing cover, 12, dedusting card, 13, remove
Dirt cup body, 14, flexible membrane filter, 15, ash bucket.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
Embodiment 1：
As shown in Figure 1, a kind of rare earth calcination rotary kiln dust-extraction unit, including deduster 1, electric heater 2 and wind turbine 3, it removes
Multiple flexible membrane filters 14 are installed in dirt device 1；Deduster 1 is provided with smoke inlet, outlet flue and air inlet；Smoke inlet and revolution
Kiln outlet flue 4 is connected to, and outlet flue is connect with wind turbine 3；Air inlet is connect with electric heater 2.
Preferably, flexible membrane filter 14 is the asymmetry membrane filter using intermetallic compound porous material, deduster 1
Using flexible membrane filter 14, high-precision gas solid separation under high temperature is realized, 14 high temperature resistant of flexible membrane filter, filtering accuracy are high, detach
It is efficient, filtration flux is high, filtration resistance is low, also have good thermal conductivity and resistant to ammonia gas corrosion, heated by electric heater 2
Compressed air, the cold air before dust-extraction unit booting operation in displacement deduster 1, prevents from condensing because of cold and hot mutation when booting
Filter core is damaged, the service life of flexible membrane filter 14 is greatly improved.
Electric heater 2 includes scavenger pump, air compressor and heating element, and scavenger pump one end is connected with air inlet, another
End is connected with heating element one end, and the heating element other end is connected with air compressor, is realized to air by air compressor
Compression, heating element heats compressed air, and the compressed air after heating is sent into deduster 1 by scavenger pump, to flexibility
Membrane filter 14 is preheated, and the damage filter core that condenses because of cold and hot mutation when booting is prevented, and that improves flexible membrane filter 14 uses the longevity
Life.
Electric heater further includes thermostat valve and indicator light, and thermometric instruments are equipped on thermostat valve, and thermostat valve is mounted on
Air inlet, indicator light are connect with thermostat valve circuit, and the temperature monitor of thermostat valve can detect the temperature in deduster, work as dedusting
When temperature is higher than designated value in device, indicator light does not work, and need not open valve, i.e., need not be into deduster after injection heating
Compressed air preheats, and when the temperature detected is less than designated value, indicator light is bright, need to open valve, is carried out to deduster pre-
Heat, be preheated to designated value rear indicator light go out close valve, electric heater is stopped, energy saving, reduce power consumption, and by
Sealed valve is arranged in air inlet, and deduster 1 closes sealed valve after being switched on, prevents ash-laden gas from entering electric heater 2.
As shown in Figure 1, deduster 1 further includes dust-removing cover 11, dedusting cylinder 13 and ash bucket 15, the sealed connection of dust-removing cover 11 removes
13 upper end of dirt cup body, 13 lower end of dedusting cylinder are tightly connected 15 upper end of ash bucket, it is preferred that dust-removing cover 11 is flat-tope structure, dedusting
Cylinder 13 is tubular structure, and ash bucket 15 is pyramidal structure, and the sealed connection of dust-removing cover, dedusting cylinder 13 and ash bucket 15 ensure that
1 sealing performance of deduster reduces 3 power of wind turbine, improves the dust removing effects of deduster 1, ash bucket 15 is for collecting valuable powder
Dirt sets dust-removing cover 11 to flat-tope structure, and dedusting cylinder 13 is tubular structure, and ash bucket 15 is pyramidal structure, the knot of deduster 1
Structure designs to obtain reasonably optimizing.
As shown in Figure 1, deduster 1 further includes dedusting card 12, dedusting card 12 is installed in dedusting cylinder 13, positioned at removing
13 top of dirt cup body is provided with multiple mounting holes for installing flexible membrane filter 14 on dedusting card 12.
Preferably, dedusting card 12 is rigid partition board, and in dedusting cylinder 13, dedusting card 12 is welded in dedusting cylinder for welding
In 13, it is located at 13 top of dedusting cylinder, multiple holes for installing flexible membrane filter 14 is provided on 1 card of deduster, for flexibility
Membrane filter 14 provides fixed basis.
As shown in Figure 1,1 outlet flue of deduster is between dedusting card 12 and dust-removing cover, it is preferred that outlet flue, which is located at, to be removed
Dirt device 1 is far from rotary kiln side, by the way that 1 outlet flue of deduster is arranged between dedusting card 12 and dust-removing cover, with outlet flue
The wind turbine 3 of connection will be expelled to air by the 14 filtered purifying smoke of flexible membrane filter being mounted on dedusting card 12.
As shown in Figure 1, air inlet is located at 13 lower end of dedusting cylinder.
Preferably, air inlet is provided with sealed valve, and by the way that sealed valve is arranged, deduster 1 closes sealing valve after being switched on
Door, prevents ash-laden gas from entering electric heater 2, the lower end of dedusting cylinder 13 is located at by the way that air inlet is arranged, into deduster 1
Heated compressed air contacted by shortest path and flexible membrane filter 14, and completely attached to during itself rises soft
Property membrane filter 14, realize preheating to filter core.
As shown in Figure 1,1 smoke inlet of deduster is located at 13 lower end of dedusting cylinder.
Preferably, 1 smoke inlet of deduster is provided with valve, and 1 smoke inlet of deduster and rotary kiln outlet flue 4 connect, pass through
Setting 1 smoke inlet of deduster be located at 13 lower end of dedusting cylinder, into deduster 1 ash-laden gas can with mounted on dedusting card
Flexible membrane filter 14 on 12 realizes maximum contact, improves the dust removing effects of deduster 1, passes through entering in deduster 1
Valve is arranged in mouth, and valve is closed when compressed air is injected deduster 1 by electric heater 2, prevents air in deduster 1 from entering
Rotary kiln.
The course of work of the utility model is：Before deduster 1 is switched on, dedusting is detected by the thermometric instruments of thermostat valve
Temperature in device, when temperature is higher than designated value, indicator light does not work, and indicates that temperature is suitable in deduster 1, air in deduster 1
It cold and hot mutation will not condense on flexible membrane filter 14 because of the flue-gas temperature of entrance height, electric heater 2 does not heat, and saves electricity
Consumption closes thermostat valve valve, opens deduster 1 and is dusted work, when thermometric instruments detection temperature is less than designated value,
Indicator light is bright, and expression need to preheat deduster 1, opens thermostat valve, electric heater 2 is begun to warm up to be compressed through air compressor
Compressed air and by compressed air by scavenger pump through air inlet be sent into deduster 1 in, avoid damaging because cold and hot mutation condenses
Bad flexibility membrane filter 14, indicator light goes out, and expression preheats successfully, closes thermostat valve valve, and electric heater is stopped, and opens dedusting
Device 1 starts dedusting work；
After deduster 1 is opened, smoke inlet of the flue gas through deduster 1 that rotary kiln outlet flue 4 is discharged enters deduster 1, and
By the filtering of flexible membrane filter 14, filtered flue gas drains into air, flexible membrane filter element filtering 14 through outlet flue by wind turbine 3
The valuable dust gone out is then collected recycling by ash bucket 15.
The utility model has the beneficial effects that：Before deduster 1 is switched on, detected by the thermometric instruments on thermostat valve
Whether deduster 1, which needs, preheats, and indicator light display notice can know preheating end node in time, when originally warm in deduster 1
When degree need not properly preheat again, power consumption can be reduced, when needing preheating, being preheating to assigned temperature can to avoid excessive preheating
To be notified closing electric heater in time, energy-saving and emission-reduction when preheating, are closed 1 smoke inlet valve of deduster, are compressed by air
Machine realizes that compressed air is heated in the compression to air, heating element, and scavenger pump removes the compressed air feeding after heating
Dirt device 1 preheats flexible membrane filter 14, prevents the damage filter core that condenses because of cold and hot mutation when booting, improves flexible membrane filtration
The service life of core 14 after completing preheating, closes the sealed valve of air inlet, deduster 1 is switched on, from 4 row of rotary kiln outlet flue
The ash-laden gas gone out enters deduster 1 by 1 smoke inlet of deduster, by the filtration, purification of flexible membrane filter 14, realizes high temperature
Lower high-precision gas solid separation, purified flue gas drain into air through 1 outlet flue of deduster through wind turbine 3, the valuable powder filtered down
Dirt has ash bucket 15 to collect recycling, and the present embodiment installation area is small, and intersection accuracy is high, realizes high temperature high precision gas solid separation,
14 high temperature resistant of flexible membrane filter, filtering accuracy are high, separative efficiency is high, filtration flux is high, filtration resistance is low, also have good lead
Hot and resistant to ammonia gas corrosion, electric heater 2 realize the preheating to deduster 1, and cold air in deduster 1 is replaced before booting, prevent
Only be switched on the damage filter core that condenses because of cold and hot mutation, greatly improves the service life of flexible membrane filter 14.
Embodiment 2：
As shown in Figure 1, a kind of rare earth calcination rotary kiln dust-extraction unit, including deduster 1, electric heater 2 and wind turbine 3, it removes
Multiple flexible membrane filters 14 are installed in dirt device 1；Deduster 1 is provided with smoke inlet, outlet flue and air inlet；Smoke inlet and revolution
Kiln outlet flue 4 is connected to, and outlet flue is connect with wind turbine 3；Air inlet is connect with electric heater 2.
Preferably, it includes deduster 1, electric heater 2 and wind turbine 3 that flexible membrane filter, which uses metal flexible film, dust-extraction unit,
The ash-laden gas that rotary kiln generates is discharged through rotary kiln outlet flue 4, enters deduster 1 through 1 smoke inlet of deduster, by deduster
The filtering of flexible membrane filter 14 in 1, purified flue gas are discharged into air by wind turbine 3 while recycling valuable dust；Deduster 1
Using flexible membrane filter 14, high-precision gas solid separation under high temperature is realized, by 2 heated compressed air of electric heater, filled in dedusting
The cold air in the preceding displacement deduster 1 of booting operation is set, the damage filter core that condenses because of cold and hot mutation when booting is prevented, greatly improves
The service life of flexible membrane filter 14.
The advantageous effect of the present embodiment is：The ash-laden gas that rotary kiln generates is discharged through rotary kiln outlet flue 4, through deduster
1 smoke inlet enters deduster 1, and by the filtering of the flexible membrane filter 14 in deduster 1, purified flue gas passes through wind turbine 3
It is discharged into air while recycling valuable dust；Deduster 1 realizes high-precision gas solid separation under high temperature using flexible membrane filter 14, leads to
2 heated compressed air of electric heater is crossed, the cold air before dust-extraction unit booting operation in displacement deduster 1, when preventing booting
Condense damage filter core because of cold and hot mutation, greatly improves the service life of flexible membrane filter 14.
In the description of this specification, reference term " embodiment one ", " embodiment two ", " example ", " specific example " or
The description of " some examples " etc. means that specific method, device or feature described in conjunction with this embodiment or example are contained in this reality
With in novel at least one embodiment or example.In the present specification, schematic expression of the above terms are necessarily directed to
Be identical embodiment or example.Moreover, description specific features, method, apparatus or feature can any one or it is more
It can be combined in any suitable manner in a embodiment or example.In addition, without conflicting with each other, those skilled in the art can
The feature of different embodiments or examples described in this specification and different embodiments or examples to be combined
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of rare earth calcination rotary kiln dust treatment device, which is characterized in that including deduster, electric heater and wind turbine, institute
It states and multiple flexible membrane filters is installed in deduster；The deduster is provided with smoke inlet, outlet flue and air inlet；It is described enter cigarette
Mouth is connected to rotary kiln outlet flue, and the outlet flue is connect with the wind turbine；The air inlet is connect with the electric heater.
2. a kind of rare earth calcination rotary kiln dust treatment device according to claim 1, which is characterized in that the electric heater
Including scavenger pump, air compressor and heating element, described scavenger pump one end is connected with the air inlet, the other end and it is described plus
Thermal element one end connects, and the heating element other end is connected with the air compressor.
3. a kind of rare earth calcination rotary kiln dust treatment device according to claim 2, which is characterized in that the electric heater
Further include thermostat valve and indicator light, thermometric instruments are installed on the thermostat valve, the thermostat valve is mounted on the air inlet
Mouthful, the indicator light is connect with the thermostat valve circuit.
4. a kind of rare earth calcination rotary kiln dust treatment device according to claim 1, which is characterized in that the deduster is also
Including dust-removing cover, dedusting cylinder and ash bucket, the dust-removing cover is tightly connected dedusting cylinder upper end, described to remove dirt cup lower end body
It is tightly connected the ash bucket upper end；The dust-removing cover is flat-tope structure；The dedusting cylinder is tubular structure；The ash bucket is cone
Shape structure.
5. a kind of rare earth calcination rotary kiln dust treatment device according to claim 3, which is characterized in that the deduster is also
Including dedusting card, the dedusting card is installed in the dedusting cylinder, is located at dedusting cylinder top；The dedusting flower
Multiple mounting holes for installing the flexible membrane filter are provided on plate.
6. a kind of rare earth calcination rotary kiln dust treatment device according to claim 4, which is characterized in that the outlet flue position
Between the dedusting card and the dust-removing cover.
7. a kind of rare earth calcination rotary kiln dust treatment device according to claim 3, which is characterized in that the smoke inlet position
In dedusting cylinder lower end.
8. a kind of rare earth calcination rotary kiln dust treatment device according to claim 3, which is characterized in that the air inlet position
In dedusting cylinder lower end.
9. a kind of rare earth calcination rotary kiln dust treatment device according to claim 1, which is characterized in that the flexibility membrane filtration
Core is the asymmetry membrane filter using intermetallic compound porous material.
10. a kind of rare earth calcination rotary kiln dust treatment device according to claim 1, which is characterized in that the deduster
Smoke inlet is provided with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150179.2U CN207950968U (en) | 2018-01-29 | 2018-01-29 | A kind of rare earth calcination rotary kiln dust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150179.2U CN207950968U (en) | 2018-01-29 | 2018-01-29 | A kind of rare earth calcination rotary kiln dust treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN207950968U true CN207950968U (en) | 2018-10-12 |
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ID=63735764
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150179.2U Active CN207950968U (en) | 2018-01-29 | 2018-01-29 | A kind of rare earth calcination rotary kiln dust treatment device |
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| Country | Link |
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| CN (1) | CN207950968U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764690A (en) * | 2019-01-10 | 2019-05-17 | 常州市震华干燥设备有限公司 | A kind of rotary kiln that can recycle raw material dust |
| CN113701510A (en) * | 2021-06-28 | 2021-11-26 | 四川思达能环保科技有限公司 | Raw material smelting section flue gas treatment device in microcrystalline glass preparation process |
-
2018
- 2018-01-29 CN CN201820150179.2U patent/CN207950968U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109764690A (en) * | 2019-01-10 | 2019-05-17 | 常州市震华干燥设备有限公司 | A kind of rotary kiln that can recycle raw material dust |
| CN113701510A (en) * | 2021-06-28 | 2021-11-26 | 四川思达能环保科技有限公司 | Raw material smelting section flue gas treatment device in microcrystalline glass preparation process |
| CN113701510B (en) * | 2021-06-28 | 2024-03-19 | 四川思达能环保科技有限公司 | Raw material smelting section flue gas treatment device in microcrystalline glass preparation technology |
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