CN103880049B - A kind of flyash dissolving out alumina clinker serosity separates the equipment with washing and method - Google Patents
A kind of flyash dissolving out alumina clinker serosity separates the equipment with washing and method Download PDFInfo
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- CN103880049B CN103880049B CN201410037554.9A CN201410037554A CN103880049B CN 103880049 B CN103880049 B CN 103880049B CN 201410037554 A CN201410037554 A CN 201410037554A CN 103880049 B CN103880049 B CN 103880049B
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- filter cloth
- elution device
- washing
- serosity
- flyash
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- 238000005406 washing Methods 0.000 title claims abstract description 127
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000010881 fly ash Substances 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000004744 fabric Substances 0.000 claims abstract description 130
- 238000010828 elution Methods 0.000 claims abstract description 110
- 239000007788 liquid Substances 0.000 claims abstract description 75
- 239000007787 solid Substances 0.000 claims abstract description 48
- 238000007599 discharging Methods 0.000 claims abstract description 26
- 239000000706 filtrate Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 9
- 238000012423 maintenance Methods 0.000 claims abstract description 3
- 239000002956 ash Substances 0.000 claims description 46
- 239000003518 caustics Substances 0.000 claims description 20
- 238000007664 blowing Methods 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 18
- 239000003513 alkali Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 7
- 238000011069 regeneration method Methods 0.000 claims description 7
- 239000012065 filter cake Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000001354 calcination Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 3
- 229910001948 sodium oxide Inorganic materials 0.000 description 3
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- JHLNERQLKQQLRZ-UHFFFAOYSA-N calcium silicate Chemical group [Ca+2].[Ca+2].[O-][Si]([O-])([O-])[O-] JHLNERQLKQQLRZ-UHFFFAOYSA-N 0.000 description 2
- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- 235000012241 calcium silicate Nutrition 0.000 description 2
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 229910001388 sodium aluminate Inorganic materials 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910001570 bauxite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of flyash dissolving out alumina clinker serosity and separate the equipment with washing and method, described equipment includes: transporter, filter cloth, there is the housing of elution device and agitating device, solid-liquid separator, it includes the first gas-liquid separator, the second gas-liquid separator, vacuum pump and vacuum pan. described step includes: start transporter, from charging aperture cloth to filter cloth, stop the operation of transporter, reduce housing and be completely covered on filter cloth to it, and evacuation 5��10min, maintenance pressure is-0.02��-0.06MPa, filtrate enters the first gas-liquid separator, it is again started up transporter, raise housing and leave filter cloth to it, start elution device, agitating device and vacuum pump, leacheate enters in described second gas-liquid separator, solid residue is from discharging opening discharging, again from charging aperture cloth to filter cloth, method as defined above is adopted again to carry out separation and the washing of flyash dissolving out alumina clinker serosity.
Description
Technical field
The present invention relates to flyash comprehensive treatment technique, particularly flyash dissolving out alumina clinker serosity separates the equipment with washing and method.
Background technology
In the area such as Middle-west Inner Mongolia and North of Shanxi, there are substantial amounts of high alumina coal resources, it is rich reserves not only, and is distributed Relatively centralized, and in the flyash produced after its burning, alumina content is more than 40%, is the bauxite alternate resources of a kind of high-quality. When adopting aluminium oxide in sintering process extract powder coal ash, it is necessary to the alumina clinker that calcining is generated carries out alkali-soluble process. Alkali-soluble process needs dissolution serosity is quickly separated, it is to avoid dissolution serosity generation secondary response and cause the loss of aluminium oxide. Simultaneously, it is necessary to the solid residue after separating is washed, to reclaim sodium oxide therein, aluminium oxide, for the comprehensive recycling of solid residue, it is provided that advantage.
The Main Ingredients and Appearance of fly ash-lime stone calcination of chamotte is calcium orthosilicate, calcium aluminate, when alkali solution technique treated coal ash limestone calcination grog, calcium aluminate and alkaline reaction generate sodium aluminate solution and realize the extraction of aluminium oxide, but the existence of calcium orthosilicate, can with sodium aluminate solution generation secondary response, cause the loss of aluminium oxide, the quick solid-liquid separation of dissolution serosity must be realized for this.
In existing alumina by sintering production process, the separation great majority of chamotte exsolution red mud adopt subsider separating technology.Realize solid-liquid separation owing to subsider is dependent on the principle of Gravity Separation, when solid particle size is relatively thin or between solid-liquid, difference in specific gravity is only small, be just difficult to effectively settlement separate. Additionally, the liquid-solid disengaging time of settlement separate technique is long, causing that aluminum oxide secondary loss of reaction is high, washing times waits series of problems.
Summary of the invention
Separate and washing to solve flyash dissolving out alumina clinker serosity better, realize solid-liquid sharp separation, reduce secondary response causes in process in leaching alumina loss and the loss of the sodium oxide that solid residue attached liquid causes, aluminium oxide, the present invention has designed and developed flyash dissolving out alumina clinker serosity and has separated the equipment with washing and method, by this equipment and method, it is possible to reach sharp separation and the purpose of washing dissolution serosity.
Technical scheme provided by the invention is:
A kind of flyash dissolving out alumina clinker serosity separates the equipment with washing and method, including:
Transporter, it includes a pair roller and the conveyer belt being arranged on the pair of roller;
Filter cloth, its be set on described conveyer belt and with described conveyer belt synchronous axial system, described filter cloth is positioned at the both sides of the pair of roller and forms charging aperture and discharging opening under the effect of at least two support member respectively;
Housing, described housing is arranged on above described filter cloth, the top of described housing is provided with a vertical axes, described vertical axes is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing in the vertical direction, multiple elution device and agitating device it is additionally provided with in described housing, the plurality of elution device is fixed on the top of described housing, and arrange along the direction of motion of described filter cloth, the drip washing shower nozzle of the first elution device that distance charging aperture is farthest is arranged straight down, the drip washing shower nozzle of the second elution device and the drip washing shower nozzle of the 3rd elution device are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device and the drip washing shower nozzle of the 3rd elution device have the angle of one 60��90 ��,
Solid-liquid separator, it includes one first gas-liquid separator and multiple second gas-liquid separator, a vacuum pump and a vacuum pan, described vacuum pan is arranged on below described filter cloth, each gas-liquid separator connects with described vacuum pan each through pipeline, described vacuum pump is connected with the middle part of each pipeline, and described second gas-liquid separator is connected with washing liquid groove;
Wherein, described second elution device and described 3rd elution device are all connected with described washing liquid groove; And the flow of the drip washing shower nozzle of described first elution device, described second elution device and described 3rd elution device increases successively.
Preferably, described flyash dissolving out alumina clinker serosity separates and the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt, described acoustic wave ash ejector includes the ash blowing mouth that compressed air hose, sound wave generating device, acoustic conducting pipe and width are 0.5��1.0mm being sequentially connected with, described compressed air hose is provided with control valve, described ash blowing mouth be arranged on the back side of described filter cloth and described blowing mouth axially with the traffic direction of described filter cloth at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt, and described caustic washing system includes alkaline cleaner and the storage alkali liquor container being connected with described alkaline cleaner.
Preferably, described flyash dissolving out alumina clinker serosity separates and the equipment of washing, described agitating device includes arranging several slide rails uniformly arranged on the housing along described housing horizontal direction, is respectively provided with a stirring rod along described slide rail bidirectional-sliding in each slide rail.
Preferably, described flyash dissolving out alumina clinker serosity separates and the equipment of washing, also includes:
The slurry tank being connected with described charging aperture,
The filtrate receiver being connected with described first gas-liquid separator,
And the filter cake groove being connected with described discharging opening.
A kind of flyash dissolving out alumina clinker serosity separates and the method for washing, comprises the steps:
Start described transporter, from described charging aperture cloth to described filter cloth,
Stop the operation of described transporter, reduce described housing to described housing to be completely covered on described filter cloth, and by described vacuum pump evacuation 5��10min, maintenance pressure is-0.02��-0.06MPa, filtrate enters described first gas-liquid separator under the effect of described vacuum pump
It is again started up described transporter, raise described housing and leave described filter cloth to it, start described elution device, described agitating device and described vacuum pump, described elution device while carrying out the drip washing of multi-angle different azimuth to described solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in described second gas-liquid separator under the effect of described vacuum pump, and solid residue is from described discharging opening discharging
Start acoustic wave ash ejector for removing the impurity on described filter cloth simultaneously,
Again from described charging aperture cloth to described filter cloth, method as defined above is adopted again to carry out separation and the washing of flyash dissolving out alumina clinker serosity.
Preferably, described flyash dissolving out alumina clinker serosity separates and the method for washing, when using described elution device drip washing solid residue, carries out according to the method for one of two ways as described below:
Mode one, starts described first elution device, uses cleanout fluid to clean solid residue 1��5 time;
Mode two, starts described second elution device and described 3rd elution device, the liquid rinse that use obtains from described washing liquid groove 3 times, then starts described first elution device, uses described cleanout fluid to clean solid residue 1��2 time;
Wherein, described cleanout fluid be the hot water of 75��100 DEG C or the volume concentrations containing mass body of 75��100 DEG C is not more than in the aqueous slkali of 10g/L any one.
Preferably, described flyash dissolving out alumina clinker serosity separates and the method for washing, also comprises the steps:
Described flyash dissolving out alumina clinker serosity separates after often operating 3��6 months with the equipment washed, described filter cloth is carried out Regeneration Treatment, first the first elution device is started, use filter cloth 4��6 circle described in the hot water drip washing of 75��100 DEG C, then caustic washing system is started, described filter cloth is carried out alkali cleaning 2��20min by the sodium hydroxide aqueous slkali adopting mass body volume concentrations to be 100g/L��200g/L, temperature be 60 DEG C��100 DEG C, and in described alkaline cleaning procedure, the rotating speed of described filter cloth is 0.06m/s.
Beneficial effects of the present invention is as follows:
The present invention passes through filter negative pressure fast filtering, being provided with housing simultaneously and can form an environment relatively closed when sucking filtration, thus improve vacuum filtration efficiency, improve the filtrate pick-up rate of dissolution serosity, and the pick-up rate of filtrate can improve 10��20%; Decrease filtrate loss, decrease the alumina loss that dissolution serosity causes because of secondary response, improve digesting efficiency of alumina 2��5%.
The present invention is by the control of washing liquid elution circuit and washing liquid amount, it is achieved that the drip washing of solid residue in serosity, has reclaimed the sodium oxide in residue attached liquid, aluminium oxide;
The present invention selection by filter cloth, it may be achieved to the filtration of varigrained serosity, not by the restriction of raw meal particle size;
The present invention is provided with acoustic wave ash ejector, and the ash blowing mouth of described acoustic wave ash ejector is vertical with the traffic direction of described filter cloth, farthest play the function of acoustic wave ash ejector, can in the process of filter cloth operating, effectively remove the residue of filter cloth surface, effectively prevent residue from blocking the hole of described filter cloth, extend the use time of filter cloth;
The present invention is additionally provided with caustic washing system simultaneously, runs certain all after dates at described filter cloth, can use caustic washing system that described filter cloth is carried out Regeneration Treatment.
Accompanying drawing explanation
Fig. 1 is the structural representation that flyash dissolving out alumina clinker serosity of the present invention separates the equipment with washing;
Fig. 2 is the structural representation of housing of the present invention;
Fig. 3 is the structural representation of acoustic wave ash ejector of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Embodiment one:
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of flyash dissolving out alumina clinker serosity to separate and the equipment of washing, including:
Transporter, it includes a pair roller 2 and the conveyer belt 1 being arranged on the pair of roller 2;
Filter cloth 3, its be set on described conveyer belt 1 and with described conveyer belt 1 synchronous axial system, described filter cloth 3 is positioned at the both sides of the pair of roller 2 and forms charging aperture 4 and discharging opening 5 under the effect of at least two support member respectively; Described charging aperture 4 is connected with being used for holding the slurry tank of dissolution serosity, described discharging opening with for receiving the filter cake groove of solid residue to be connected;
Housing 14, described housing 14 is arranged on above described filter cloth 3, the top of described housing 14 is provided with a vertical axes 17, described vertical axes 17 is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing 14 in the vertical direction, it is additionally provided with multiple elution device and agitating device in described housing 14
The plurality of elution device is fixed on the top of described housing, and arrange along the direction of motion of described filter cloth 3, the drip washing shower nozzle of the first elution device 10 that distance charging aperture 4 is farthest is arranged straight down, the drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 have the angle of one 90 ��, and described first elution device 10, the flow of the drip washing shower nozzle of described second elution device 11 and described 3rd elution device 12 increases successively,
Several slide rails 15 that described agitating device includes being arranged on described housing 14 uniformly arranges along described housing 14 horizontal direction, are respectively provided with a stirring rod 16 along described slide rail 15 bidirectional-sliding in each slide rail 15;
Solid-liquid separator, it includes one first gas-liquid separator 8 and multiple second gas-liquid separator 9, vacuum pump 7 and vacuum pan 6, described vacuum pan 6 is arranged on below described filter cloth 3, each gas-liquid separator connects with described vacuum pan 6 each through pipeline, described vacuum pump 7 is connected with the middle part of each pipeline, and described first gas-liquid separator 8 is additionally coupled to receive the filtrate receiver of filtrate, described second gas-liquid separator is connected with the washing liquid groove receiving cleaning waste liquid;
Wherein, described second elution device and described 3rd elution device are all connected with described washing liquid groove; And the flow of the drip washing shower nozzle of described first elution device, described second elution device and described 3rd elution device increases successively.
Described flyash dissolving out alumina clinker serosity separates and in the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt 1, compressed air hose 18 that described acoustic wave ash ejector includes being sequentially connected with, sound wave generating device 19, acoustic conducting pipe 20 and the ash blowing mouth 21 that width is 0.5mm, described compressed air hose 18 is provided with control valve, described ash blowing mouth 21 be arranged on the back side of described filter cloth 3 and described ash blowing mouth 21 axially with the traffic direction of described filter cloth 3 at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt 2, and described caustic washing system includes alkaline cleaner 13 and the storage alkali liquor container being connected with described alkaline cleaner 13.
Use described setting to carry out flyash dissolving out alumina clinker serosity to separate and the method for washing, comprise the steps:
Start described transporter, from described charging aperture 4 cloth to described filter cloth 3,
Stop the operation of described transporter, reduce described housing 14 to be completely covered on described filter cloth 3 to described housing 14, and by described vacuum pump 7 evacuation 5min, keeping pressure is-0.06MPa, filtrate enters described first gas-liquid separator 8 under the effect of described vacuum pump 7
It is again started up described transporter, raise described housing 14 and leave described filter cloth 3 to it, start described first elution device, the hot water using 75 DEG C cleans solid residue 1 time, starts agitating device and vacuum pump 7 simultaneously, and described first elution device is while carrying out drip washing to described solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in described second gas-liquid separator 9 under the effect of described vacuum pump 7, and solid residue is from the discharging of described discharging opening 5
Start the acoustic wave ash ejector impurity for removing on described filter cloth 3 simultaneously,
Again from described charging aperture 4 cloth to described filter cloth 3, adopt method as defined above again to carry out flyash dissolving out alumina clinker serosity and separate and washing.
According to the condition of production, described flyash dissolving out alumina clinker serosity separates after often operating 3 months with the equipment washed, described filter cloth there will be blocking, hardening phenomenon and affect filter effect, need described filter cloth is carried out Regeneration Treatment, first the first elution device is started, filter cloth 3 described in the hot water drip washing of 75 DEG C is used to enclose, then caustic washing system is started, adopt mass body volume concentrations to be 100g/L and described filter cloth is carried out alkali cleaning 2min by the sodium hydroxide aqueous slkali that temperature is 60 DEG C, in described alkaline cleaning procedure, the rotating speed of described filter cloth is 0.06m/s.
After in the present embodiment, filtrate sucking filtration completes, in solid residue, humidity reduces to less than 20%, after completing drip washing, alkali content��15g/L in the last cleanout fluid of solid residue, what complete filtrate in flyash dissolving out alumina clinker serosity well is filtrated to get the clean and reuse with solid residue.
Embodiment two:
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides flyash dissolving out alumina clinker serosity to separate and the equipment of washing, including:
Transporter, it includes a pair roller 2 and the conveyer belt 1 being arranged on the pair of roller 2;
Filter cloth 3, its be set on described conveyer belt 1 and with described conveyer belt 1 synchronous axial system, described filter cloth 3 is positioned at the both sides of the pair of roller 2 and forms charging aperture 4 and discharging opening 5 under the effect of at least two support member respectively; Described charging aperture 4 is connected with being used for holding the slurry tank of dissolution serosity, described discharging opening with for receiving the filter cake groove of solid residue to be connected;
Housing 14, described housing 14 is arranged on above described filter cloth 3, the top of described housing 14 is provided with a vertical axes 17, described vertical axes 17 is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing 14 in the vertical direction, it is additionally provided with multiple elution device and agitating device in described housing 14
The plurality of elution device is fixed on the top of described housing 14, and arrange along the direction of motion of described filter cloth 3, the drip washing shower nozzle of the first elution device 10 that distance charging aperture 4 is farthest is arranged straight down, the drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 have the angle of one 60 ��, and described first elution device 10, the flow of the drip washing shower nozzle of described second elution device 11 and described 3rd elution device 12 increases successively,
Several slide rails 15 that described agitating device includes being arranged on described housing 14 uniformly arranges along described housing 14 horizontal direction, are respectively provided with a stirring rod 16 along described slide rail 15 bidirectional-sliding in each slide rail 15;
Solid-liquid separator, it includes one first gas-liquid separator 8 and multiple second gas-liquid separator 9, vacuum pump 7 and vacuum pan 6, described vacuum pan 6 is arranged on below described filter cloth 3, each gas-liquid separator connects with described vacuum pan 6 each through pipeline, described vacuum pump 7 is connected with the middle part of each pipeline, and described first gas-liquid separator 8 is additionally coupled to receive the filtrate receiver of filtrate;
Wherein, described second elution device 11 and described 3rd elution device 12 are all connected with described second gas-liquid separator 9.
Described flyash dissolving out alumina clinker serosity separates and in the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt 1, compressed air hose 18 that described acoustic wave ash ejector includes being sequentially connected with, sound wave generating device 19, acoustic conducting pipe 20 and the ash blowing mouth 21 that width is 1.0mm, described compressed air hose 18 is provided with control valve, described ash blowing mouth 21 be arranged on the back side of described filter cloth 3 and described ash blowing mouth 21 axially with the traffic direction of described filter cloth 3 at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt 2, and described caustic washing system includes alkaline cleaner 13 and the storage alkali liquor container being connected with described alkaline cleaner 13.
Use described setting to carry out flyash dissolving out alumina clinker serosity to separate and the method for washing, comprise the steps:
Start described transporter, from described charging aperture 4 cloth to described filter cloth 3,
Stop the operation of described transporter, reduce described housing 14 to be completely covered on described filter cloth 3 to described housing 14, and by described vacuum pump 7 evacuation 10min, keeping pressure is-0.02MPa, filtrate enters described first gas-liquid separator 8 under the effect of described vacuum pump 7
It is again started up described transporter, raise described housing 14 and leave described filter cloth 3 to it, starting described first elution device 10 uses the hot water of 100 DEG C to clean solid residue 5 times, start described agitating device and vacuum pump 7 simultaneously, described first elution device 10 is while carrying out drip washing to described solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in described second gas-liquid separator 9 under the effect of described vacuum pump 7, solid residue is from the discharging of described discharging opening 5
Start the acoustic wave ash ejector impurity for removing on described filter cloth 3 simultaneously,
Again from described charging aperture 4 cloth to described filter cloth 3, adopt method as defined above again to carry out flyash dissolving out alumina clinker serosity and separate and washing.
According to the condition of production, described flyash dissolving out alumina clinker serosity separates after often operating 6 months with the equipment washed, if the filtering function of filter cloth is impacted by the residue of deposition etc. on described filter cloth, need described filter cloth 3 is carried out Regeneration Treatment, first the first elution device 10 is started, described filter cloth 3 uses the hot water drip washing 4 of 100 DEG C to enclose, then caustic washing system is started, described filter cloth is carried out alkali cleaning 20min by the sodium hydroxide aqueous slkali adopting mass body volume concentrations to be 200g/L, temperature be 100 DEG C, in described alkaline cleaning procedure, the rotating speed of described filter cloth is 0.06m/s.
After in the present embodiment, filtrate sucking filtration completes, in solid residue, humidity reduces to less than 25%, after completing drip washing, alkali content��20g/L in the last cleanout fluid of solid residue, what complete filtrate in flyash dissolving out alumina clinker serosity well is filtrated to get the clean and reuse with solid residue.
Embodiment three:
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides flyash dissolving out alumina clinker serosity to separate and the equipment of washing, including:
Transporter, it includes a pair roller 2 and the conveyer belt 1 being arranged on the pair of roller 2;
Filter cloth 3, its be set on described conveyer belt 1 and with described conveyer belt 1 synchronous axial system, described filter cloth 3 is positioned at the both sides of the pair of roller 2 and forms charging aperture 4 and discharging opening 5 under the effect of at least two support member respectively; Described charging aperture 4 is connected with being used for holding the slurry tank of dissolution serosity, described discharging opening with for receiving the filter cake groove of solid residue to be connected;
Housing 14, described housing 14 is arranged on above described filter cloth 3, the top of described housing 14 is provided with a vertical axes 17, described vertical axes 17 is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing 14 in the vertical direction, it is additionally provided with multiple elution device and agitating device in described housing 14
The plurality of elution device is fixed on the top of described housing, and arrange along the direction of motion of described filter cloth 3, the drip washing shower nozzle of the first elution device 10 that distance charging aperture 4 is farthest is arranged straight down, the drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 have the angle of one 75 ��, and described first elution device 10, the flow of the drip washing shower nozzle of described second elution device 11 and described 3rd elution device 12 increases successively,
Several slide rails 15 that described agitating device includes being arranged on described housing 14 uniformly arranges along described housing 14 horizontal direction, are respectively provided with a stirring rod 16 along described slide rail 15 bidirectional-sliding in each slide rail 15;
Solid-liquid separator, it includes one first gas-liquid separator 8 and multiple second gas-liquid separator 9, vacuum pump 7 and vacuum pan 6, described vacuum pan 6 is arranged on below described filter cloth 3, each gas-liquid separator connects with described vacuum pan 6 each through pipeline, described vacuum pump 7 is connected with the middle part of each pipeline, and described first gas-liquid separator 8 is additionally coupled to receive the filtrate receiver of filtrate;
Wherein, described second elution device 11 and described 3rd elution device 12 are all connected with described second gas-liquid separator 9.
Described flyash dissolving out alumina clinker serosity separates and in the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt 1, compressed air hose 18 that described acoustic wave ash ejector includes being sequentially connected with, sound wave generating device 19, acoustic conducting pipe 20 and the ash blowing mouth 21 that width is 0.5mm, described compressed air hose 18 is provided with control valve, described ash blowing mouth 21 be arranged on the back side of described filter cloth 3 and described ash blowing mouth 21 axially with the traffic direction of described filter cloth 3 at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt 2, and described caustic washing system includes alkaline cleaner 13 and the storage alkali liquor container being connected with described alkaline cleaner 13.
Use described setting to carry out flyash dissolving out alumina clinker serosity to separate and the method for washing, comprise the steps:
Start described transporter, from described charging aperture 4 cloth to described filter cloth 3,
Stop the operation of described transporter, reduce described housing 14 to be completely covered on described filter cloth 3 to described housing 14, and by described vacuum pump 7 evacuation 6min, keeping pressure is-0.05MPa, filtrate enters described first gas-liquid separator 8 under the effect of described vacuum pump 7
It is again started up described transporter, raise described housing 14 and leave described filter cloth 3 to it, start described second elution device 11 and described 3rd elution device 12, the liquid rinse that use obtains from described washing liquid groove 3 times, then start described first elution device 10, use described 75 DEG C clean solid residue 1 time containing aqueous slkali that mass body volume concentrations is 10g/L;Start described agitating device and vacuum pump 7 simultaneously, described elution device while carrying out the drip washing of multi-angle different azimuth to described solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in described second gas-liquid separator 9 under the effect of described vacuum pump 7, solid residue is from the discharging of described discharging opening 5
Start the acoustic wave ash ejector impurity for removing on described filter cloth 3 simultaneously,
Again from described charging aperture 4 cloth to described filter cloth 3, adopt method as defined above again to carry out flyash dissolving out alumina clinker serosity and separate and washing.
According to the condition of production, described flyash dissolving out alumina clinker serosity separates after often operating 4 months with the equipment washed, if the filtering function of filter cloth is impacted by the residue of deposition etc. on described filter cloth 3, need described filter cloth 3 is carried out Regeneration Treatment, first the first elution device 10 is started, described filter cloth 3 uses the hot water drip washing 6 of 90 DEG C to enclose, then caustic washing system is started, described filter cloth is carried out alkali cleaning 15min by the sodium hydroxide aqueous slkali adopting mass body volume concentrations to be 150g/L, temperature be 80 DEG C, in described alkaline cleaning procedure, the rotating speed of described filter cloth 3 is 0.06m/s.
After in the present embodiment, filtrate sucking filtration completes, in solid residue, humidity reduces to less than 22%, after completing drip washing, alkali content��23g/L in the last cleanout fluid of solid residue, what complete filtrate in flyash dissolving out alumina clinker serosity well is filtrated to get the clean and reuse with solid residue.
Embodiment four:
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides flyash dissolving out alumina clinker serosity to separate and the equipment of washing, including:
Transporter, it includes a pair roller 2 and the conveyer belt 1 being arranged on the pair of roller 2;
Filter cloth 3, its be set on described conveyer belt 1 and with described conveyer belt 1 synchronous axial system, described filter cloth 3 is positioned at the both sides of the pair of roller 2 and forms charging aperture 4 and discharging opening 5 under the effect of at least two support member respectively; Described charging aperture 4 is connected with being used for holding the slurry tank of dissolution serosity, described discharging opening with for receiving the filter cake groove of solid residue to be connected;
Housing 14, described housing 14 is arranged on above described filter cloth 3, the top of described housing 14 is provided with a vertical axes 17, described vertical axes 17 is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing 14 in the vertical direction, it is additionally provided with multiple elution device and agitating device in described housing 14
The plurality of elution device is fixed on the top of described housing, and arrange along the direction of motion of described filter cloth 3, the drip washing shower nozzle of the first elution device 10 that distance charging aperture 4 is farthest is arranged straight down, the drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device 11 and the drip washing shower nozzle of the 3rd elution device 12 have the angle of one 85 ��, and described first elution device 10, the flow of the drip washing shower nozzle of described second elution device 11 and described 3rd elution device 12 increases successively,
Several slide rails 15 that described agitating device includes being arranged on described housing 14 uniformly arranges along described housing 14 horizontal direction, are respectively provided with a stirring rod 16 along described slide rail 15 bidirectional-sliding in each slide rail 15;
Solid-liquid separator, it includes one first gas-liquid separator 8 and multiple second gas-liquid separator 9, vacuum pump 7 and vacuum pan 6, described vacuum pan 6 is arranged on below described filter cloth 3, each gas-liquid separator connects with described vacuum pan 6 each through pipeline, described vacuum pump 7 is connected with the middle part of each pipeline, and described first gas-liquid separator 8 is additionally coupled to receive the filtrate receiver of filtrate;
Wherein, described second elution device 11 and described 3rd elution device 12 are all connected with described second gas-liquid separator 9.
Described flyash dissolving out alumina clinker serosity separates and in the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt 1, compressed air hose 18 that described acoustic wave ash ejector includes being sequentially connected with, sound wave generating device 19, acoustic conducting pipe 20 and the ash blowing mouth 21 that width is 0.5��1.0mm, described compressed air hose 18 is provided with control valve, described ash blowing mouth 21 be arranged on the back side of described filter cloth 3 and described ash blowing mouth 21 axially with the traffic direction of described filter cloth 3 at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt 2, and described caustic washing system includes alkaline cleaner 13 and the storage alkali liquor container being connected with described alkaline cleaner 13.
Use described setting to carry out flyash dissolving out alumina clinker serosity to separate and the method for washing, comprise the steps:
Start described transporter, from described charging aperture 4 cloth to described filter cloth 3,
Stop the operation of described transporter, reduce described housing 14 to be completely covered on described filter cloth 3 to described housing 14, and by described vacuum pump 7 evacuation 10min, keeping pressure is-0.06MPa, filtrate enters described first gas-liquid separator 8 under the effect of described vacuum pump 7
It is again started up described transporter, raise described housing 14 and leave described filter cloth 3 to it, start described second elution device 11 and described 3rd elution device 13, the liquid rinse that use obtains from described washing liquid groove 3 times, then start described first elution device 10, use described 100 DEG C clean solid residue 2 times containing aqueous slkali that mass body volume concentrations is 8g/L; Start described agitating device and vacuum pump 7 simultaneously, described elution device while carrying out the drip washing of multi-angle different azimuth to described solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in described second gas-liquid separator 9 under the effect of described vacuum pump 7, solid residue is from the discharging of described discharging opening 5
Start the acoustic wave ash ejector impurity for removing on described filter cloth 3 simultaneously,
Again from described charging aperture 4 cloth to described filter cloth 3, adopt method as defined above again to carry out flyash dissolving out alumina clinker serosity and separate and washing.
According to the condition of production, described flyash dissolving out alumina clinker serosity separates after often operating 6 months with the equipment washed, if the filtering function of filter cloth 3 is impacted by the residue of deposition etc. on described filter cloth 3, need described filter cloth 3 is carried out Regeneration Treatment, first the first elution device 10 is started, described filter cloth 3 uses the hot water drip washing 5 of 95 DEG C to enclose, then caustic washing system is started, described filter cloth is carried out alkali cleaning 12min by the sodium hydroxide aqueous slkali adopting mass body volume concentrations to be 120g/L, temperature be 95 DEG C, in described alkaline cleaning procedure, the rotating speed of described filter cloth 3 is 0.06m/s.
Although embodiment of the present invention are disclosed as above, but listed utilization that it is not restricted in description and embodiment, it can be applied to various applicable the field of the invention completely, for those skilled in the art, it is easily achieved other amendment, therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention is not limited to specific details and shown here as the legend with description.
Claims (6)
1. a flyash dissolving out alumina clinker serosity separates and the equipment of washing, it is characterised in that including:
Transporter, it includes a pair roller and the conveyer belt being arranged on the pair of roller;
Filter cloth, its be set on described conveyer belt and with described conveyer belt synchronous axial system, described filter cloth is positioned at the both sides of the pair of roller and forms charging aperture and discharging opening under the effect of at least two support member respectively;
Housing, described housing is arranged on above described filter cloth, the top of described housing is provided with a vertical axes, described vertical axes is connected with the outfan of a hydraulic jack, described hydraulic jack controls the motion of described housing in the vertical direction, multiple elution device and agitating device it is additionally provided with in described housing, the plurality of elution device is fixed on the top of described housing, and arrange along the direction of motion of described filter cloth, the drip washing shower nozzle of the first elution device that distance charging aperture is farthest is arranged straight down, the drip washing shower nozzle of the second elution device and the drip washing shower nozzle of the 3rd elution device are mirrored with vertical curve for axis of symmetry and are symmetrical arranged, and the described drip washing shower nozzle of the second elution device and the drip washing shower nozzle of the 3rd elution device have the angle of one 60��90 ��, described agitating device includes arranging several slide rails uniformly arranged on the housing along described housing horizontal direction, a stirring rod along described slide rail bidirectional-sliding it is respectively provided with in each slide rail,
Solid-liquid separator, it includes one first gas-liquid separator and multiple second gas-liquid separator, a vacuum pump and a vacuum pan, described vacuum pan is arranged on below described filter cloth, each gas-liquid separator connects with described vacuum pan each through pipeline, described vacuum pump is connected with the middle part of each pipeline, and described second gas-liquid separator is connected with washing liquid groove;
Wherein, described second elution device and described 3rd elution device are all connected with described washing liquid groove; And the flow of the drip washing shower nozzle of described first elution device, described second elution device and described 3rd elution device increases successively.
2. flyash dissolving out alumina clinker serosity as claimed in claim 1 separates and the equipment of washing, also includes:
Acoustic wave ash ejector, it is arranged on the lower section of described conveyer belt, described acoustic wave ash ejector includes the ash blowing mouth that compressed air hose, sound wave generating device, acoustic conducting pipe and width are 0.5��1.0mm being sequentially connected with, described compressed air hose is provided with control valve, described ash blowing mouth be arranged on the back side of described filter cloth and described ash blowing mouth axially with the traffic direction of described filter cloth at an angle of 90, described acoustic wave ash ejector has at least one;
Caustic washing system, it is arranged on below described conveyer belt, and described caustic washing system includes alkaline cleaner and the storage alkali liquor container being connected with described alkaline cleaner.
3. flyash dissolving out alumina clinker serosity as claimed in claim 1 separates and the equipment of washing, it is characterised in that also include:
The slurry tank being connected with described charging aperture,
The filtrate receiver being connected with described first gas-liquid separator,
And the filter cake groove being connected with described discharging opening.
4. a flyash dissolving out alumina clinker serosity separates and the method for washing, it is characterised in that comprise the steps:
Start transporter, from charging aperture cloth to filter cloth,
Stopping the operation of described transporter, reduce housing to housing and be completely covered on described filter cloth, and by vacuum pump evacuation 5��10min, maintenance pressure is-0.02��-0.06MPa, filtrate enters the first gas-liquid separator under the effect of described vacuum pump,
It is again started up described transporter, raise described housing and leave described filter cloth to it, start elution device, agitating device and described vacuum pump, described elution device while carrying out the drip washing of multi-angle different azimuth to solid residue, described solid residue is stirred by described agitating device fully, leacheate enters in the second gas-liquid separator under the effect of described vacuum pump, and solid residue is from discharging opening discharging
Start acoustic wave ash ejector for removing the impurity on described filter cloth simultaneously,
Again from described charging aperture cloth to described filter cloth, as above method is adopted again to carry out separation and the washing of flyash dissolving out alumina clinker serosity.
5. flyash dissolving out alumina clinker serosity as claimed in claim 4 separates and the method for washing, it is characterised in that when using described elution device drip washing solid residue, carry out according to the method for one of two ways as described below:
Mode one, starts the first elution device, uses cleanout fluid to clean solid residue 1��5 time;
Mode two, starts the second elution device and the 3rd elution device, the liquid rinse that use obtains from the second knockout drum 3 times, then starts described first elution device, uses described cleanout fluid to clean solid residue 1��2 time;
Wherein, described cleanout fluid be the hot water of 75��100 DEG C or the volume concentrations containing mass body of 75��100 DEG C is not more than in the aqueous slkali of 10g/L any one.
6. flyash dissolving out alumina clinker serosity as claimed in claim 5 separates and the method for washing, it is characterised in that also comprise the steps:
Described flyash dissolving out alumina clinker serosity separates after often operating 3��6 months with the equipment washed, described filter cloth is carried out Regeneration Treatment, first the first elution device is started, use filter cloth 3��5 circle described in the hot water drip washing of 75��100 DEG C, then caustic washing system is started, described filter cloth is carried out alkali cleaning 2��20min by the sodium hydroxide aqueous slkali adopting mass body volume concentrations to be 100g/L��200g/L, temperature be 60 DEG C��100 DEG C, and in described alkaline cleaning procedure, the rotating speed of described filter cloth is 0.06m/s.
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| CN201410037554.9A CN103880049B (en) | 2014-01-26 | 2014-01-26 | A kind of flyash dissolving out alumina clinker serosity separates the equipment with washing and method |
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| CN201410037554.9A CN103880049B (en) | 2014-01-26 | 2014-01-26 | A kind of flyash dissolving out alumina clinker serosity separates the equipment with washing and method |
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| CN115927845B (en) * | 2022-11-28 | 2025-03-11 | 江西锂顺再生资源有限公司 | Method for washing slag from roasting, leaching and filtering of lepidolite |
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| CN201399279Y (en) * | 2009-04-22 | 2010-02-10 | 核工业烟台同兴实业有限公司 | Red mud filter |
| CN102897809A (en) * | 2012-11-06 | 2013-01-30 | 大唐国际发电股份有限公司 | Method and equipment for separating and washing fly ash calcium silicate slag |
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| CN2614768Y (en) * | 2003-04-09 | 2004-05-12 | 李根林 | Continuous Horizontal Vacuum Belt Filter |
| CN201209869Y (en) * | 2008-05-20 | 2009-03-18 | 北京博惠通科技发展有限公司 | High-efficiency frequency conversion sonic wave ash cleaner |
| CN201399279Y (en) * | 2009-04-22 | 2010-02-10 | 核工业烟台同兴实业有限公司 | Red mud filter |
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Denomination of invention: A kind of equipment and method for separating and washing the dissolving slurry of fly ash alumina clinker Effective date of registration: 20200807 Granted publication date: 20160608 Pledgee: Ordos Rural Commercial Bank Co.,Ltd. Pledgor: INNER MONGOLIA MENGXI ORDOS ALUMINUM Co.,Ltd. Registration number: Y2020150000040 |
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Denomination of invention: A kind of equipment and method for separating and washing the dissolving slurry of fly ash alumina clinker Effective date of registration: 20200818 Granted publication date: 20160608 Pledgee: Ordos Rural Commercial Bank Co.,Ltd. Pledgor: INNER MONGOLIA MENGXI ORDOS ALUMINUM Co.,Ltd. Registration number: Y2020150000042 |
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Denomination of invention: Equipment and method for separating and washing fly ash alumina clinker leaching slurry Granted publication date: 20160608 Pledgee: Ordos Rural Commercial Bank Co.,Ltd. Pledgor: INNER MONGOLIA MENGXI ORDOS ALUMINUM CO.,LTD. Registration number: Y2024150000085 |