CN105289084A - Disc dehydrator - Google Patents
Disc dehydrator Download PDFInfo
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- CN105289084A CN105289084A CN201510893300.1A CN201510893300A CN105289084A CN 105289084 A CN105289084 A CN 105289084A CN 201510893300 A CN201510893300 A CN 201510893300A CN 105289084 A CN105289084 A CN 105289084A
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- disk
- slurry tank
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- trough
- stock
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Abstract
The invention discloses a disc dehydrator. A filter device of the disc dehydrator comprises a plurality of discs which are arranged at intervals; a drive device of the disc dehydrator comprises a horizontal rotating shaft driven by a motor reduction mechanism, and each disc is installed on the horizontal rotating shaft; a stock trough device comprises a stock carrying trough and a stock trough, the stock trough is arranged in the stock carrying trough, the stock trough is communicated with the stock carrying trough by virtue of grouting openings which are uniformly formed in the bottom, and a lower half disc body of each disc is arranged in the stock trough; a vacuum device of the disc dehydrator comprises a vacuumizing mechanism which is used for vacuumizing the disc so as to form negative pressure inside each disc; a stirring device of the disc dehydrator comprises a plurality of stirring rods, and the stirring rods are arranged between two corresponding adjacent discs at intervals; an unloading device of the disc dehydrator comprises scraper plates corresponding to a changeover position of each disc, the scraper plates are arranged at the left side and right side of each disc on the stock trough, and a material collection trough corresponds to each scraper plate. By adopting the disc dehydrator, the change from the traditional horizontal plane used as a filter plane to a vertical plane used as a filter plane is realized, the floor occupation area of equipment is effectively reduced, and the floor occupation space of the equipment can be saved by 80 percent.
Description
Technical field
The present invention relates to drying equipment, be specially a kind of disk dewatering machine applying to heat-engine plant wet desulphurization system.
Background technology
Conventional belt vacuum belt dewaterer is the equipment for separating liquid from solid used in a kind of heat-engine plant wet desulphurization system, and its principle realizes Separation of Solid and Liquid for utilizing material gravity and pull of vacuum.
Described belt vacuum belt dewaterer is too large due to volume, easily filter cloth sideslip occurs and tears; Backing roll length, due to long, easily ruptures; Vavuum pump pump shaft fault rate in day-to-day operation is higher, causes maintenance cost significantly to rise, and affects the continuous operation of dewatering system, affects the reliability of desulfurization equipment.
Summary of the invention
For the deficiencies in the prior art, technical problem to be solved by this invention be propose that a kind of volume is little, using water wisely, stable disk dewatering machine.
The disk dewatering machine that can solve the problems of the technologies described above, its technical scheme comprises filter, transmission device, size vat device, vacuum plant, agitating device and device for discharging, described filter comprises (vertically) spaced some disks, and the left and right card of each disk evenly offers capillary filtration hole; Described transmission device comprises the horizontal rotating shaft driven by motor decelerating mechanism, and each disk is coaxially installed on horizontal rotating shaft; Described size vat device comprises chengjiang groove and slurry tank, and described slurry tank is located in chengjiang groove, and slurry tank is communicated with chengjiang groove by the grouting mouth that bottom is uniform, and second circumference disk body of each disk is placed in slurry tank; Described vacuum plant comprises the vacuum device each disk inside being formed negative pressure; Described agitating device comprises some puddlers, each puddler is disposed between two corresponding adjacent discs, the body of rod of each puddler is hinged above horizontal rotating shaft, the lower end of each puddler is the driven end (namely stirring end) of fore-and-aft direction synchronous hunting, described driven end is walked around horizontal rotating shaft and is stretched into slurry tank, and the upper end of each puddler is the drive end of fore-and-aft direction synchronous hunting; Described device for discharging comprises scraper plate, and (slurry tank) position is entered in turning of corresponding each disk, and the arranged on left and right sides of each disk is located at by described scraper plate in slurry tank, arranges splicing groove corresponding to each scraper plate.
In said structure, motor reducer drives each disk rotational by horizontal drive shaft, each disk, in the rotation process of a week, gives full play to the effect of disc capillary filtration under condition of negative pressure, the technical process of the filtration that constantly circulated, gypsum filter cake drying, filter cake discharging.
This disk dewatering machine can configure back purge system further, the basic structure of described back purge system comprises backwash tube, described backwash tube is connected the formation of each disk inside and is rinsed capillary filtration hole with the reciprocal current of vacuum suction, regularly can carry out backwash to each disk, prevent the gambling plug in capillary filtration hole and affect the water-taking efficiency of each disk.
This disk dewatering machine also can configure filter cake flushing machine and slurry tank flushing machine further, a kind of structure of described filter cake flushing machine comprises filter cake cleaning hose, described filter cake cleaning hose is arranged on the arranged on left and right sides of each disk above slurry tank, the flushing direction of each filter cake cleaning hose is towards the side disk body of corresponding disk, be convenient to the cleaning in real time to gypsum filter cake, reduce chlorinity in gypsum; A kind of structure of described slurry tank flushing machine comprises slurry tank cleaning hose, described slurry tank cleaning hose is along the inner wall even distribution of slurry tank, spout direction on each slurry tank cleaning hose, in the face of the inwall of slurry tank, can regularly be cleaned slurry tank, prevents slurry dirt knot.
This disk dewatering machine also can configure capping apparatus further to avoid airborne dust, described capping apparatus comprises cover cap, described cover cap to be located on chengjiang groove and to be covered filter, agitating device and device for discharging, hood top offers exhaust outlet, cover cap sidepiece is offered charging aperture and is communicated with chengjiang groove, is placed in cover cap sidepiece offers and dodge mouth corresponding to splicing slot.
Beneficial effect of the present invention:
1, disk dewatering machine of the present invention achieves traditional be that filtering surface changes into vertical plane with horizontal plane is the transformation of filtering surface, and effectively reduce floor space and the usage space of equipment, equipment of saving takes up an area space 80%.
2, the filtrate after Separation of Solid and Liquid of the present invention is as clear as crystal, substantially without solid particle.
3, to compare vacuum leak less for the present invention and traditional vacuum belt dewaterer, and equipment energy consumption is lower, can save energy consumption about 70%.
4, the present invention's technique water consumption of comparing with traditional vacuum belt dewaterer is lower, can save fresh water (FW) about 20%.
5, the present invention compare with traditional vacuum belt dewaterer compact conformation, rationally, dependable performance is stablized, and operation expense is lower.
6, the present invention can significantly reduce evaporation plant noise, dust and sewage after going into operation, and is beneficial to environmental protection and produces.
7, the present invention can improve the security reliability of gypsum dehydration system greatly, is beneficial to production management.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the top view of Fig. 1 embodiment.
Fig. 3 is the side view of Fig. 1 embodiment.
Figure number identifies: 1, disk; 2, motor decelerating mechanism; 3, horizontal rotating shaft; 4, chengjiang groove; 5, slurry tank; 6, be in the milk mouth; 7, scraper plate; 8, evacuation port; 9, puddler; 10, cover cap; 11, exhaust outlet; 12, charging aperture; 13, frame; 14, overflow pipe; 15, filter cake cleaning hose; 16, mixed earth pedestal; 17, slurry tank cleaning hose; 18, vavuum pump; 19, vacuum tube; 20, wabbler mechanism; 21, vacuum tank.
Detailed description of the invention
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
The mechanical part of disk dewatering machine of the present invention is formed primarily of size vat device, capping apparatus, transmission device, filter, vacuum plant, agitating device, device for discharging, back purge system and flusher.
Described size vat device comprises chengjiang groove 4 and slurry tank 5, both length directions are left and right, width is front and rear direction, described chengjiang groove 4 is installed in frame 13, described frame 13 supports and is arranged on mixed earth pedestal 16, described slurry tank 5 is set up in chengjiang groove 4 by propping up, the curved bottom of slurry tank 5 offers uniform grouting mouth 6 makes slurry tank 5 communicate with chengjiang groove 4, slurry tank 5 bottom center offers left and right two evacuation ports 8, slurry tank 5 is also provided with the overflow pipe 14 of left and right two pass-out chengjiang grooves 4, as shown in Figure 1, Figure 2, Figure 3 shows.
The main body of described capping apparatus is that (its length direction is left and right to cover cap 10, width is front and rear direction), described cover cap 10 erection is arranged on chengjiang groove 4, the installing space of interior arrangement is formed between cover cap 10 and chengjiang groove 4, the end face of cover cap 10 offers left and right two exhaust outlets 11, the leading flank of cover cap 10 offers charging aperture 12, and described charging aperture 12 is communicated with chengjiang groove 4 by deflector chute, as shown in Figure 1, Figure 2, Figure 3 shows.
Described transmission device comprises horizontal rotating shaft 3 and motor decelerating mechanism 2, described horizontal rotating shaft 3 left and right is horizontally placed in the installing space between cover cap 10 and chengjiang groove 4, the two axial ends of horizontal rotating shaft 3 is installed on cover cap 10 with in the frame 13 of chengjiang groove 4 arranged on left and right sides by Bearning mechanism, described motor decelerating mechanism 2 is installed and is connected on the axle head of the corresponding side of horizontal rotating shaft 3 in the frame 13 of side, as shown in Figure 1, Figure 2, Figure 3 shows.
Described filter comprises the disk 1 that some potsherds are made, the inner hollow of described disk 1, the left and right card of disk 1 evenly offers capillary filtration hole, the coaxial equi-spaced apart of each disk 1 is installed on horizontal rotating shaft 3, the axis hole of described horizontal rotating shaft 3 communicates with the inside of each disk 1, second circumference disk body of each disk 1 is placed in slurry tank 5, as shown in Figure 2 and Figure 3.
Described vacuum plant comprises vacuum device, described vacuum device comprises vacuum tank 21, vavuum pump 18 and vacuum tube 19, described vacuum tube 19 is communicated with the axis hole of vavuum pump 18 and horizontal rotating shaft 3, described vavuum pump 18 is by pipeline connection vacuum tank 21, under the effect of vavuum pump 18, each disk 1 inside be evacuated and form negative pressure, as shown in Figure 1, Figure 2, Figure 3 shows.
Described agitating device comprises some puddlers 9, described puddler 9 is left vertically, right septum is arranged in the installing space between cover cap 10 and chengjiang groove 4, the setting position of each puddler 9 is between two corresponding adjacent discs 1, the body of rod of each puddler 9 cuts with scissors dress above horizontal rotating shaft 3, the lower end (driven end that is stirring end) of each puddler 9 is walked around (dodging) horizontal rotating shaft 3 from rear side and stretches in slurry tank 5, the upper end (drive end) of each puddler 9 is connected on wabbler mechanism 20, described wabbler mechanism 20 can link with horizontal rotating shaft 3, horizontal rotating shaft circles for 3 times, wabbler mechanism 20 by puddler 9 drive end synchronous before, before the stirring end of rear wobble drive puddler 9, rear swing and produce stirring action, as Fig. 1, shown in Fig. 3.
Described device for discharging comprises scraper plate 7 and splicing groove, described scraper plate 7 is located in slurry tank 5, corresponding each disk 1 rotate clockwise direction, the corresponding arranged on left and right sides at each disk 1 front upper part disk body of setting position of scraper plate 7, corresponding to each scraper plate 7, splicing groove is set, each splicing groove extends to outside slurry tank 5 by the mouth of dodging that cover cap 10 leading flank is offered, as shown in Figure 3.
Described back purge system comprises backwash tube, and described backwash tube is communicated with the axis hole of horizontal rotating shaft 3, and the current in flushing each disk 1 capillary filtration hole that backwash tube is formed are contrary with the vacuum suction direction of vacuum device, as shown in Figure 2 and Figure 3.
Described flusher comprises filter cake flushing machine and slurry tank flushing machine, described filter cake flushing machine comprises the filter cake cleaning hose 15 being arranged on each disk 1 arranged on left and right sides by support above slurry tank 5, the setting position of filter cake cleaning hose 15 corresponds to each disk 1 and produces position from slurry tank 5, and the flushing direction of each filter cake cleaning hose 15 is towards the side disk body of corresponding disk 1; Described slurry tank flushing machine comprises axial arranged slurry tank cleaning hose 17, described slurry tank cleaning hose 17 is along the inner wall even distribution of slurry tank 5, the inwall of the corresponding slurry tank 5 in face, spout direction on each slurry tank cleaning hose 17, slurry tank cleaning hose 17 with hydromining acid water, as shown in Figure 2.
Be provided with the operation of each device of control device unified control and management.
The method of operation of the present invention:
1,50% concentrated phase gypsum slurries is by charging aperture 12 to feed in chengjiang groove 4, and the slurries in chengjiang groove 4 enter slurry tank 5 by grouting mouth 6, and the slurries in slurry tank 5 soak second circumference disk body of each disk 1.
2, vacuum device starts, the inside of each disk 1 is made to form negative pressure and form adsorption zone in the soak zone of slurry tank 5, in described adsorption zone, in slurries, moisture content to be inhaled in disk 1 and to form filtrate and pumps to vacuum tank 21, and the particle in slurries is adsorbed with current and is gathered in the card of disk 1 and forms filter cake.
3, motor decelerating mechanism 2 slowly drives each disk 1 to rotate by horizontal rotating shaft 3, each disk 1 disk body outside adsorption zone turns in slurry tank 5 gradually, each disk 1 disk body in adsorption zone produces adsorption zone gradually with the filter cake formed, and the filter cake just produced outside adsorption zone is rinsed by the water spray of filter cake cleaning hose 15; Meanwhile, the slurry in slurry tank 5 is stirred bar 9 and does not stop to stir.
4, horizontal rotating shaft 3 is rotated further, and filter cake rotates to discharge zone with each disk 1, and in rotation process, filter cake is dry gradually.
5, in discharge zone (namely the carry that turns of adsorption zone is put), filter cake is scraped de-by scraper plate 7 from disk 1, and the filter cake disintegrating slag peeled off outwards is derived by splicing groove and by centralized collection, and the dust produced during discharging to be derived and by concentrated dust collecting through exhaust outlet 11.
6, each disk 1 ceaselessly operates, and circulation constantly completes the technical process of filtration, filter cake cleaning, filtration cakes torrefaction, filter cake discharging.
Claims (4)
1. disk dewatering machine, it is characterized in that: comprise filter, transmission device, size vat device, vacuum plant, agitating device and device for discharging, described filter comprises spaced some disks (1), and the left and right card of each disk (1) evenly offers capillary filtration hole; Described transmission device comprises the horizontal rotating shaft (3) driven by motor decelerating mechanism (2), and each disk (1) is coaxially installed on horizontal rotating shaft (3); Described size vat device comprises chengjiang groove (4) and slurry tank (5), described slurry tank (5) is located in chengjiang groove (4), slurry tank (5) is communicated with chengjiang groove (4) by the grouting mouth (6) that bottom is uniform, and second circumference disk body of each disk (1) is placed in slurry tank (5); Described vacuum plant comprises the vacuum device each disk (1) inside being formed negative pressure; Described agitating device comprises some puddlers (9), each puddler (9) is disposed between corresponding two adjacent discs (1), the body of rod of each puddler (9) is hinged in horizontal rotating shaft (3) top, the lower end of each puddler (9) is the driven end of fore-and-aft direction synchronous hunting, described driven end is walked around horizontal rotating shaft (3) and is stretched into slurry tank (5), and the upper end of each puddler (9) is the drive end of fore-and-aft direction synchronous hunting; Described device for discharging comprises scraper plate (7), the carry that turns of corresponding each disk (1) is put, the arranged on left and right sides of each disk (1) is located at by described scraper plate (7) in slurry tank (5), arranges splicing groove corresponding to each scraper plate (7).
2. disk dewatering machine according to claim 1, it is characterized in that: also comprise back purge system, described back purge system comprises backwash tube, and described backwash tube is connected the formation of each disk (1) inside and rinsed capillary filtration hole with the reciprocal current of vacuum suction.
3. disk dewatering machine according to claim 1, it is characterized in that: also comprise flusher, described flusher comprises filter cake flushing machine and slurry tank flushing machine, described filter cake flushing machine comprises filter cake cleaning hose (15), described filter cake cleaning hose (15) is arranged on the arranged on left and right sides of each disk (1) in slurry tank (5) top, and the flushing direction of each filter cake cleaning hose (15) is towards the side disk body of corresponding disk (1); Described slurry tank flushing machine comprises slurry tank cleaning hose (17), described slurry tank cleaning hose (17) is along the inner wall even distribution of slurry tank (5), and the spout direction on each slurry tank cleaning hose (17) is in the face of the inwall of slurry tank (5).
4. according to the disk dewatering machine in claims 1 to 3 described in any one, it is characterized in that: also comprise capping apparatus, described capping apparatus comprises cover cap (10), described cover cap (10) is located at chengjiang groove (4) and is gone up and cover filter, agitating device and device for discharging, exhaust outlet (11) is offered at cover cap (10) top, cover cap (10) sidepiece is offered charging aperture (12) and is communicated with chengjiang groove (4), is placed in cover cap (10) sidepiece offers and dodge mouth corresponding to splicing slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893300.1A CN105289084B (en) | 2015-12-08 | 2015-12-08 | Disk dewatering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510893300.1A CN105289084B (en) | 2015-12-08 | 2015-12-08 | Disk dewatering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105289084A true CN105289084A (en) | 2016-02-03 |
| CN105289084B CN105289084B (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510893300.1A Active CN105289084B (en) | 2015-12-08 | 2015-12-08 | Disk dewatering machine |
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| Country | Link |
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| CN (1) | CN105289084B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749606A (en) * | 2016-05-06 | 2016-07-13 | 无锡市同至人机械设备制造有限公司 | Efficient disc filter cloth dehydrator |
| CN107262429A (en) * | 2017-06-26 | 2017-10-20 | 华电电力科学研究院 | A kind of disk dewatering machine on-line cleaning device |
| CN107596765A (en) * | 2017-11-15 | 2018-01-19 | 中冶北方（大连）工程技术有限公司 | A kind of batch vacuum disk filter and filter method |
| CN107617254A (en) * | 2017-11-15 | 2018-01-23 | 中冶北方（大连）工程技术有限公司 | A kind of pre-classification disk filter and filter method |
| CN111576074A (en) * | 2020-05-25 | 2020-08-25 | 郑州磊展科技造纸机械有限公司 | Multi-disc thickener |
| CN113501538A (en) * | 2021-07-31 | 2021-10-15 | 华能秦煤瑞金发电有限责任公司 | Gypsum dehydration edulcoration device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105749606A (en) * | 2016-05-06 | 2016-07-13 | 无锡市同至人机械设备制造有限公司 | Efficient disc filter cloth dehydrator |
| CN107262429A (en) * | 2017-06-26 | 2017-10-20 | 华电电力科学研究院 | A kind of disk dewatering machine on-line cleaning device |
| CN107596765A (en) * | 2017-11-15 | 2018-01-19 | 中冶北方（大连）工程技术有限公司 | A kind of batch vacuum disk filter and filter method |
| CN107617254A (en) * | 2017-11-15 | 2018-01-23 | 中冶北方（大连）工程技术有限公司 | A kind of pre-classification disk filter and filter method |
| CN107617254B (en) * | 2017-11-15 | 2022-11-29 | 中冶北方（大连）工程技术有限公司 | Pre-grading disc type filter and filtering method |
| CN107596765B (en) * | 2017-11-15 | 2022-11-29 | 中冶北方（大连）工程技术有限公司 | Layered vacuum disc type filter and filtering method |
| CN111576074A (en) * | 2020-05-25 | 2020-08-25 | 郑州磊展科技造纸机械有限公司 | Multi-disc thickener |
| CN111576074B (en) * | 2020-05-25 | 2022-06-14 | 郑州磊展科技造纸机械有限公司 | Multi-disc thickener |
| CN113501538A (en) * | 2021-07-31 | 2021-10-15 | 华能秦煤瑞金发电有限责任公司 | Gypsum dehydration edulcoration device |
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| CN105289084B (en) | 2017-07-18 |
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