CN102814073A - Horizontal disc filter applied in alkali making industry - Google Patents
Horizontal disc filter applied in alkali making industry Download PDFInfo
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- CN102814073A CN102814073A CN2012103183024A CN201210318302A CN102814073A CN 102814073 A CN102814073 A CN 102814073A CN 2012103183024 A CN2012103183024 A CN 2012103183024A CN 201210318302 A CN201210318302 A CN 201210318302A CN 102814073 A CN102814073 A CN 102814073A
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Abstract
The invention discloses a horizontal disc alkali filter applied in alkali making industry, belonging to a filtering process of applying a horizontal disc filter in alkali making industry. When the horizontal disc filter is in washing operation, three washing sections are arranged: the washing liquid discharged from the third washing section after washing is conveyed to the second washing section to be used, the washing liquid discharged from the second washing section after washing is conveyed to the first washing section to be used, and the washing liquid discharged from the first washing section after washing is discharged into a waste water tank. The horizontal disc alkali filter disclosed by the invention effectively overcomes many defects of the existing drum-through alkali filter, the washing sections are additionally arranged, and the washing water can be recycled, thereby achieving the purposes of realizing a good filtering effect, lowering the washing cost, improving the dewatering efficiency, facilitating use and maintenance and improving the product quality.
Description
Technical field
The invention belongs to the filter alkali equipment technical field in the alkali production industry, what relate generally to is a kind of horizontal disc type Alkali-filter that is applied to make the alkali industry.
Background technology
At present, the filtration to alkali always is employing rotary drum filter, band filter in the alkali production industry.
Practice shows that rotary drum Alkali-filter, band filter exist always: (1) wash water consumption is big, and (2) cake moisture is high; (3) the product saliferous is high; (4) device structure is complicated, defectives such as (5) maintenance difficult, and (6) consumable accessory is changed fast big with investment.
Horizontal disk filter is a kind of each metalloid or nonmetal ore pulp of being applicable to, and the cleaning of other fine granular materials slurries and the filter plant of Separation of Solid and Liquid.Its structure is shown in Fig. 1-2: it mainly partly is made up of screw unloading device 1, discharging opening 2, square position assembly 3, lifting device 4, feed arrangement 5, dispensing head 6, drive unit 7, compression spring 8, lubricating system 9, square position support 10, floating bearing 11, once washing device 12, two wash mills 13, three wash mills 14, gear wheel 15 etc.Square position assembly 3 is exactly a circular charging tray, and is different by sized, is separated into the fan section of varying number by press strip; Fanning strip with holes is all being spread in each sector; Re-lay filter cloth above, fix with press strip then, form airtight space in its underpart and link to each other with dispensing head; Square position assembly 3 is installed on the floating bearing 11 on square position support 10 tops, so that rotate; Dispensing head is equipped with in the bottom; Through the compression spring 8 on lifting device 4 and the dispensing head 6; Make the quiet pad of dispensing head and the moving distribution pad under the square position assembly 3 form flat seal; So that each fan section of dispensing head control square position assembly 3 has the air pressure that needs, make the square position in revolution, accomplish the overall process of feed, filtration, cleaning, drying, discharging; Feed arrangement 9, once washing device 12, two wash mills 13, three wash mills 14 and screw unloading device 1 above square position assembly 3, have also been set up, in order to the Alkali-filter charging, add the discharge of cleaning fluid and filter cake; Equally, below square position assembly 3, screw unloading device 1, be provided with discharging opening 2, discharge outside this equipment filtering good material; Filtrating relies on the swabbing action of vavuum pump then through dispensing head 7, discharges through moisture trap; The revolution of square position assembly 3 is driven by reducing motor, through the rotating speed of big or small meshed transmission gear deceleration acquisition.
During use, drive unit 7 driving square position assemblies 3 rotate around axis with certain speed, and each fan section is respectively through feed zone, filtering area, cleaning area, dry section and discharge zone; Under the effect of vacuum suction; Make on each fan section filter cloth to have certain thickness filter cake, accomplished the overall process of feed, filtration, cleaning, drying, discharging, after once washing device 12, two wash mills 13, three wash mills 14 spray Cleaning for High Capacity; The cleaning fluid of discharging can be used as dosing and recycles.Because this card diameter is big, material is through path length, wash number many (being generally three times), advantage such as filter mechanism itself is also capable of washing, therefore, has capable of washing, good filtration effect, and material moisture is low.But this horizontal disk filter is used at aluminium oxide, fertilizer industry always, still nobody shows any interest in system alkali industry.Tracing it to its cause, mainly is to produce custom, the restriction of many factors such as process conditions.Given this; The inventor, has confirmed horizontal disk filter is applied to make the technical scheme in the alkali industry through analysis and research for a long time on the basis of a large amount of experiments; It is low perishable with steel wire to have solved the existing rotary drum Alkali-filter filter cloth life-span; Change difficulty, poor sealing, filter loss increases, water consumption is big and filter cake such as can not fully wash at defective.
Summary of the invention
The object of the invention produces thus, proposes a kind of horizontal disk filter that is applied to make the alkali industry.Through horizontal disk filter is applied to make in the alkali industry, reaches good filtration effect, reduce the washing cost, improve dewatering efficiency, make things convenient for working service, the purpose of improving the quality of products.
The present invention realizes that the technical scheme that above-mentioned purpose is taked is: horizontal disk filter is applied to make the alkali industry
Filter operation.
Horizontal disk filter of the present invention is when laundry operation; Washing is distinguished three roads and is arranged; The washing lotion of after the washing of the 3rd scrubbing section, discharging is sent into second scrubbing section and is used; The washing lotion of after the washing of second scrubbing section, discharging is sent into first scrubbing section and is used, and the washing lotion that discharge first scrubbing section washing back is discharged as waste water.
Clear water of the present invention source links to each other with three washing equipments on the assembly of square position, connects the wash water moisture trap three times down, and three times the isolated water of wash water moisture trap links to each other with the secondary washing equipment; The isolated water of secondary wash water moisture trap links to each other with a washing equipment; One time the isolated water of wash water moisture trap is connected with wastewater trough.
The present invention is added with hood on filter disc.
The present invention is applied to make the alkali industry with horizontal disk filter, and the filter cloth life-span that has solved existing rotary drum through type Alkali-filter is low perishable with steel wire, changes difficulty, poor sealing, and filter loss increases, water consumption is big and filter cake such as can not fully wash at defective.Owing to become the facade gyration of working face around trunnion axis; Transfer plane rotation motion to around the axle that hangs down; It is on the gravity direction of centrifugal disc, to carry out that alkali filters, and horizontal disc type Alkali-filter continuously rotates, and just constantly filters continuously; Processes such as washing, discharging have effectively improved production efficiency.Because the square position is divided into 15 fan-shaped independent partitions, rotate around its vertical axis.In disc surfaces, filter while rotating by the square position through the even cloth of blanking device for slip, is connected with vacuum system with the quiet pad of the contacted dispensing head of moving distribution plate by the bottom, forms certain pressure.Essence filtrating is siphoned away through filter cloth under vacuum action.Because horizontal disk filter disk track is big; Operating path is long, and cleaning area can divide three roads to arrange, (number of times of cleaning and the quality of product have confidential relation useful space to be provided for the selection of wash number; The number of times of washing is many more; The product saliferous is low more, and quality is just good more), very favourable to producing.Because washings are reusable, the utilization of waste water not only effectively reduces water consumption, and has reduced production cost.The alkali material that feed arrangement gets off washes the impurity in the material, salinity through three scrubbing sections, thereby obtains purer alkali.Moisture in the material also is to blot through vacuum system.When filtering table forwarded discharge zone to, the soda ash behind the filtration washing was unloaded by discharge auger and gets into the discharging opening discharge.And remaining material bed when forwarding the blowback district in the square position by compressed air blowback pine, then with feed the new slip that advances and mix the back and get into filtration next time.Because have a large amount of ammonia in the material of washing, ammonia is colourless gas, and the strong impulse smell is arranged, can skin ambustion, the mucous membrane of eyes, breathing QC, the people sucked multipotency and caused lung swelling, even if band muzzles or mouth mask adds water all it's too late in thing.The present invention adds hood on filter disc, can directly discharge the workshop to pernicious gas.
The present invention is through contrasting with the experiment of rotary drum Alkali-filter, and the conclusion that draws is: the product that the rotary drum Alkali-filter is produced is moisture up to 18%, and saliferous also reaches 0.37%, and horizontal disc type Alkali-filter then reduces to 15% respectively, and salinity only reaches 0.27%.
Description of drawings
Fig. 1 is the structural representation of existing level disk filter.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is a process flow diagram of the present invention.
Among the figure: 1, screw unloading device, 2, discharging opening, 3, the square position assembly, 4, lifting device, 5, feed arrangement; 6, dispensing head, 7, drive unit, 8, the compression spring, 9, lubricating system; 10, square position support, 11, floating bearing, 12, washing equipments, 13, the secondary washing equipment; 14, three washing equipments, 15, gear wheel, 16, horizontal disc type Alkali-filter, 17, vavuum pump; 18, clear water source, 19, three wash water moisture traps, 20, secondary wash water moisture trap, 21, wash water moisture traps.
The specific embodiment
In conjunction with accompanying drawing, it is following to provide embodiments of the invention.But the present invention does not limit to following examples.
The described a kind of horizontal disk filter that is applied to make the alkali industry of the embodiment of the invention is the filtration operation that existing horizontal disk filter is applied to make the alkali industry.Substitute traditional rotary drum filter with horizontal plate formula filter, be installed in the rotary drum filter position of general system alkali system to horizontal disk filter, become working face and move around the plane rotation that the facade gyration of trunnion axis changes into around the axle that hangs down.Washing on the rotating-table apparatus is distinguished three roads and is arranged; The washing lotion of after the washing of the 3rd scrubbing section, discharging is sent into second scrubbing section and is used; The washing lotion of after the washing of second scrubbing section, discharging is sent into first scrubbing section and is used, and the washing lotion that discharge first scrubbing section washing back is discharged as waste water.
Combine shown in Fig. 1-2 like Fig. 3: the said rotating-table apparatus of the embodiment of the invention is a horizontal structure; Be fixed on the center stand column and and support by center stand column; On rotating-table apparatus, be provided with cleaning device and auger stripper; Lower end at rotating-table apparatus is provided with funnel, and the funnel below the rotating-table apparatus is connected with dispensing head 6 through connecting pipeline respectively.Cleaning device above the rotating-table apparatus is three, and vavuum pump 17 links to each other with clear water source 18; Clear water source 18 links to each other with three washing equipments 14 on the square position assembly 3, connects 19, three wash water moisture traps of three wash water moisture traps, 19 isolated water down and links to each other with secondary washing equipment 13; Secondary wash water moisture trap 20 isolated water link to each other with a washing equipment 12; One time wash water moisture trap 20 isolated water are connected with wastewater trough.
Slip is evenly distributed on the disc surfaces of square position assembly 3 through feed arrangement 5, forms certain thickness filter cake, rotates with disk; Under the effect that vavuum pump 17 is bled, one by one through filtering area, cleaning area, dry section and discharge zone, Yi Bian deviate from moisture; The flush away salinity is discharged outside this machine up to screw 1 on one side, is bonded at the salvage stores on the filter cloth; Same under the controlling of dispensing head 6, blown the slurries mixing that Song Yuxin feeds, begin next operation cycle; The quiet pad subregion of dispensing head has been collected the filtrating of sucking-off during this period, sends into the steam-water separator of appointment through pipe special.Because the pass that cleans and the quality of product have confidential relation, the pass of washing is many more, and the product saliferous is low more, and quality is just good more.And horizontal disk filter disk track is big, and operating path is long, and cleaning area can divide three roads to arrange, useful space is provided for the selection of cleaning pass, and is very favourable to producing.Because what three washings were used is clear water, the washing lotion saliferous of extraction is lower, directly squeeze into two and wash use, two wash discharge washing lotion then feed one and wash.Water reuse has effectively reduced the clear water water consumption.
Technological process of the present invention is: the square position formula is crossed alkali machine 1 when laundry operation, can be simultaneously carries out turning on the identical and opposite both direction with the square position assembly.The flushing direction of a washing equipment 12 and square position assembly direction of rotation refer to that the flushing direction of secondary washing equipment is identical with the square position rotation direction.New wash water at first gets into the afterbody washing, and wash water is taken away residue filtrate when passing material, a little less than the weak lotion pipeline that bottom weak base liquid pump feeds the square position again gets into next time, washes, then through highly basic liquid bath and next flow process of highly basic liquid pump entering.Horizontal disc type Alkali-filter continuously rotates, just constantly filters continuously, and processes such as washing, discharging, its production efficiency is very high.
The present invention is added with hood on filter disc, can directly discharge the workshop to pernicious gas.
Claims (4)
1. a horizontal disk filter that is applied to make the alkali industry comprises horizontal disk filter, it is characterized in that: the filtration operation that said horizontal disk filter is applied to make the alkali industry.
2. the horizontal disk filter that is applied to make the alkali industry according to claim 1; It is characterized in that: described horizontal disk filter is when laundry operation; Washing is distinguished three roads and is arranged; The washing lotion of after the washing of the 3rd scrubbing section, discharging is sent into second scrubbing section and is used, and the washing lotion of after the washing of second scrubbing section, discharging is sent into first scrubbing section and used, and the washing lotion that discharge first scrubbing section washing back enters wastewater trough.
3. the horizontal disk filter that is applied to make the alkali industry according to claim 1; It is characterized in that: the clear water source (18) of said horizontal disk filter links to each other with three washing equipments (14) on the square position assembly (3); Under connect three wash water moisture traps (19), the isolated water of three wash water moisture traps (19) links to each other with secondary washing equipment (13); The isolated water of secondary wash water moisture trap (20) links to each other with a washing equipment (12); The isolated water of a wash water moisture trap (20) is connected with wastewater trough.
4. the horizontal disk filter that is applied to make the alkali industry according to claim 1, it is characterized in that: the filter disc of said horizontal disk filter is provided with hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103183024A CN102814073A (en) | 2012-09-02 | 2012-09-02 | Horizontal disc filter applied in alkali making industry |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103183024A CN102814073A (en) | 2012-09-02 | 2012-09-02 | Horizontal disc filter applied in alkali making industry |
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| CN102814073A true CN102814073A (en) | 2012-12-12 |
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| CN2012103183024A Pending CN102814073A (en) | 2012-09-02 | 2012-09-02 | Horizontal disc filter applied in alkali making industry |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617257A (en) * | 2017-10-31 | 2018-01-23 | 广西华银铝业有限公司 | A kind of fixing device of vertical-disk filter dispensing head sealing ring |
| CN107875724A (en) * | 2017-12-27 | 2018-04-06 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of filter distribution head for Washing of Filter Cake |
| CN108178189A (en) * | 2018-03-08 | 2018-06-19 | 四川龙蟒钛业股份有限公司 | A kind of method for effectively avoiding titanium liquid premature hydrolysis |
| CN108178190A (en) * | 2018-03-08 | 2018-06-19 | 四川龙蟒钛业股份有限公司 | A kind of method for improving disk filtration efficiency and ferrous sulfate quality |
| CN108408768A (en) * | 2018-04-25 | 2018-08-17 | 四川龙蟒钛业股份有限公司 | A method of efficiently using metatitanic acid washing filtrate |
| CN114146477A (en) * | 2021-11-30 | 2022-03-08 | 甘肃银光化学工业集团有限公司 | Explosive horizontal disc filter device |
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| US2716494A (en) * | 1953-06-25 | 1955-08-30 | Lukens Steel Co | Rotary table filter |
| CN85204138U (en) * | 1985-10-03 | 1986-08-20 | 南京化学工业公司设计院 | Adjustable vacuum filtering machine with rotatary table |
| CN201586429U (en) * | 2010-01-13 | 2010-09-22 | 中国石油化工股份有限公司 | Pressure rotary filter |
| CN102602964A (en) * | 2012-03-19 | 2012-07-25 | 大连润琳科技有限公司 | Process method for reinforced alkali-united filtration |
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Patent Citations (4)
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| US2716494A (en) * | 1953-06-25 | 1955-08-30 | Lukens Steel Co | Rotary table filter |
| CN85204138U (en) * | 1985-10-03 | 1986-08-20 | 南京化学工业公司设计院 | Adjustable vacuum filtering machine with rotatary table |
| CN201586429U (en) * | 2010-01-13 | 2010-09-22 | 中国石油化工股份有限公司 | Pressure rotary filter |
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Non-Patent Citations (1)
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| 卢寿慈: "《粉体技术手册》", 31 March 2004, article "粉体制备与处理", pages: 398 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617257A (en) * | 2017-10-31 | 2018-01-23 | 广西华银铝业有限公司 | A kind of fixing device of vertical-disk filter dispensing head sealing ring |
| CN107617257B (en) * | 2017-10-31 | 2023-08-25 | 广西华银铝业有限公司 | Fixing device for sealing ring of distributing head of vertical disc filter |
| CN107875724A (en) * | 2017-12-27 | 2018-04-06 | 洛阳矿山机械工程设计研究院有限责任公司 | A kind of filter distribution head for Washing of Filter Cake |
| CN108178189A (en) * | 2018-03-08 | 2018-06-19 | 四川龙蟒钛业股份有限公司 | A kind of method for effectively avoiding titanium liquid premature hydrolysis |
| CN108178190A (en) * | 2018-03-08 | 2018-06-19 | 四川龙蟒钛业股份有限公司 | A kind of method for improving disk filtration efficiency and ferrous sulfate quality |
| CN108178189B (en) * | 2018-03-08 | 2019-11-05 | 四川龙蟒钛业股份有限公司 | A method of effectively avoiding titanium liquid premature hydrolysis |
| CN108178190B (en) * | 2018-03-08 | 2019-11-29 | 四川龙蟒钛业股份有限公司 | A method of improving disk filtration efficiency and ferrous sulfate quality |
| CN108408768A (en) * | 2018-04-25 | 2018-08-17 | 四川龙蟒钛业股份有限公司 | A method of efficiently using metatitanic acid washing filtrate |
| CN108408768B (en) * | 2018-04-25 | 2019-11-29 | 四川龙蟒钛业股份有限公司 | A method of effective use metatitanic acid washs filtrate |
| CN114146477A (en) * | 2021-11-30 | 2022-03-08 | 甘肃银光化学工业集团有限公司 | Explosive horizontal disc filter device |
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Application publication date: 20121212 |