CN203711163U - Novel horizontal decanter centrifuge - Google Patents
Novel horizontal decanter centrifuge Download PDFInfo
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- CN203711163U CN203711163U CN201420050477.6U CN201420050477U CN203711163U CN 203711163 U CN203711163 U CN 203711163U CN 201420050477 U CN201420050477 U CN 201420050477U CN 203711163 U CN203711163 U CN 203711163U
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- rotary drum
- novel horizontal
- helical gear
- horizontal screw
- auger conveyor
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Abstract
The utility model discloses a novel horizontal decanter centrifuge. The novel horizontal decanter centrifuge comprises a machine frame (1) and a motor (2), a differential (3), a screw conveyor (4), a rotating drum (5) and a feeding pipe (6) which are arranged on the machine frame (1). A special cylindrical gear differential is designed, and the horizontal decanter centrifuge is driven by adopting a single motor and is simple in structure and low in energy consumption; a frequency-variable control box is added, so that the rotating speed and the rotating speed difference of the centrifuge can be adjusted so as to adapt to separate different materials and enlarge the application range; the pertinence is high; the processing capacity is improved; the labor intensity of workers is lightened; the time is saved; the continuous work can be performed; the work quality and the work efficiency are improved; the operating personnel is reduced; good economic benefits are brought; the novel horizontal decanter centrifuge has the advantages of high pertinence, high efficiency, good damping effect, long service life and the like.
Description
Technical field
The utility model relates to centrifugation apparatus field, specifically a kind of novel horizontal screw settling centrifuge.
Background technology
Water resources in china occupancy volume per person is few, spatial distribution imbalance.Along with Chinese Urbanization's, industrialized acceleration, the demand gap of water resource also increases day by day.Under such background, sewage treatment industry becomes new industry, and in recent years, wastewater treatment in China industry is advanced by leaps and bounds, overall development, in the fast-growing period, is mainly manifested in the aspects such as sewage treatment capacity is expanded rapidly, wastewater treatment rate steadily improves, sewage load rapid growth.In April, 2012, the General Office of the State Council announces " " 12 " national town sewage is processed and the planning of regeneration Facilities Construction ", sewage network construction, sewage treatment plant's upgrading, Treatment of Sludge, reclaimed wastewater reuse etc. are proposed to physical planning index, nearly 4,300 hundred million yuan of gross investment scale.The medium-term and long-term outline of " national pollution prevention plan " 2011-2020, gives special assistance to waste water control recycling relevant industries.
Tail coal is the discarded object producing in washing process, and the utilization of tail coal is with to enter to wash raw coal kind and treatment process relevant.In current the discharged tail coal of China, except minority part for the production of coal briquette for civillan use, bake bricks, cement processed, considerable part is sneaked into raw coal, middle coal or Blended Coal Combustion generating.Some are due to pin ground or transport the area of having any problem, have to be as mine goaf backfilling material or directly discarded, and all the other major parts all enter environment.Now; the energy and environmental protection become the theme of 21 century; along with the development of recycling economy and the popularization of sustainable road; country advocates energetically energy-saving and emission-reduction, strengthens environment protection; therefore the processing of the cleaning of mine water coal bunker and coal washery tail coal is subject to increasing attention; but current horizontal type screw settling centrifuge still exists specific aim little, and efficiency is low, the problem that energy consumption is high.
The processing of the cleaning of mine water coal bunker and coal washery tail coal is the problem of making us puzzlement for a long time always, in recent years, concentrated-press filtration is that tail coal is processed a kind of mode with fastest developing speed, this process is thickener underflow to be sent into filter press further dewater, filter cake is final products, filtrate can be directly as primary water and round-robin.The advantage of this kind of mode is that filter cake moisture is low, solids content few (0.5g/L is following) in filtrate, and filter press Comparision is reliable etc.But the use of filter press also exists some problems, be mainly wherein that disposal ability is low, chamber filter press labour intensity is large, need operating personnel many, work discontinuously, often there is the problem of filter plate, filter cloth well damage in improper use.
Horizontal spiral discharge sedimentation centrifuge (hereinafter to be referred as horizontal type screw settling centrifuge) is a kind of equipment that utilizes centrifugal sedimentation principle suspended liquid, it has applied range, takes up an area the advantages such as little, staff is few, labour intensity is low, operation totle drilling cost is low, resultant effect is good with respect to traditional dehydration equipment (as filter press), thereby is used widely in every profession and trade in recent years.Although current horizontal type screw settling centrifuge can carry out the Separation of Solid and Liquid of water-coal-slurry, but debugging is complicated, especially while being applied to the cleaning of mine water coal bunker, because the environment for use of mine water coal bunker is severe, service condition is strict, configure various coal mine explosion-proof accessory, cause complex structure, operation inconvenience.
Summary of the invention
For solving the technical problem of above-mentioned existence, the utility model provides a kind of novel horizontal screw settling centrifuge, is applicable to the adverse circumstances such as mine water coal bunker, and centrifugal efficiency is high, and single motor drives power consumption low, long service life.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of novel horizontal screw settling centrifuge, include frame and be arranged at the motor in frame, differential mechanism, auger conveyor, rotary drum and feed pipe, described motor is connected with differential mechanism by shaft coupling, described differential mechanism is connected with auger conveyor and rotary drum respectively, described auger conveyor be arranged at rotary drum inner and with rotary drum coaxially in the same way differential rotate, described feed pipe is connected with auger conveyor, also comprise frequency converter, described frequency converter is connected with motor, described differential mechanism adopts spur-gear differential, described spur-gear differential includes differential casing, in described housing, be provided with power shaft, output shaft and the mechanical organ being equipped with it, on described power shaft, be provided with helical gear a and helical gear b, on described output shaft, be provided with output gear shaft and helical gear d, on described output gear shaft, be provided with helical gear c, described helical gear a and helical gear d, helical gear b and helical gear c two are intermeshing and gearratio is different to helical gear, described output shaft is connected with auger conveyor and rotary drum respectively with output gear shaft.
On the blade of described auger conveyor, be provided with wear-resistant device.
Described wear-resistant device is set to be embedded in hard metal tip or the potsherd on blade.
Described wear-resistant device is set to spraying abrasion-proof layer on blade.
On the blade of described auger conveyor, offer guiding gutter.
Described rotary drum inner surface is fixedly installed multiple ribs along generatrix direction.
Unloading in cinder hole of described rotary drum installed and protected title cover.
Also comprise protection hood, described protection hood is arranged at the lateral surface of rotary drum, and described protection hood adopts double-decker, and at double-deck middle filling foamed glue.
Also comprise mine tram wheel and bracing frame, described mine tram wheel and bracing frame are set to respectively detachably be installed on frame bottom, and mine tram wheel is installed when transport, and bracing frame is installed when work.
Between support frame as described above and bottom surface, damping device is set.
The utility model has designed special spur-gear differential, adopts single motor to drive, simple and convenient and energy consumption is low; Increased VFC case, adjustable centrifuge speed and speed discrepancy, to adapt to the separation of different material, widen the scope of application; With strong points, improve disposal ability, alleviate workman's labour intensity, save the time; Can continuous operation, improve work quality and operating efficiency, reduce operating personnel's quantity, bring good economic benefit, there is, the advantage such as efficiency high, good damping effect, long service life strong for type.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of spur-gear differential in this Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail:
As shown in Figure 1 and Figure 2, this novel horizontal screw settling centrifuge, include frame 1 and be arranged at motor 2, differential mechanism 3, auger conveyor 4, rotary drum 5 and the feed pipe 6 in frame 1, described motor 2 is connected with differential mechanism 3 by shaft coupling, described differential mechanism 3 is connected with auger conveyor 4 and rotary drum 5 respectively, described auger conveyor 4 be arranged at rotary drum 5 inner and with rotary drum 5 coaxially in the same way differential rotate, described feed pipe 6 is connected with auger conveyor 4.The utility model also comprises frequency converter 7, and described frequency converter 7 is connected with motor 2.Described differential mechanism 3 adopts spur-gear differential, described spur-gear differential includes differential casing 31, in described housing 31, be provided with power shaft 32, output shaft 33 and the mechanical organ being equipped with it, on described power shaft 32, be provided with helical gear a34 and helical gear b35, on described output shaft 33, be provided with output gear shaft 37 and helical gear d38, described output gear shaft 37 is coaxially connected with output shaft 33 by pair of bearings 36, on described output gear shaft 37, be provided with helical gear c371, described helical gear a34 and helical gear d38, helical gear b35 and helical gear c371 two are intermeshing and gearratio is different to helical gear.It is contrary that described helical gear a34 and helical gear b35 are set to rotation direction, and it is contrary that described helical gear c371 and helical gear d38 are set to rotation direction, to reach the effect of offsetting helical gear axial force.Described output shaft 33 is connected with auger conveyor 4 and rotary drum 5 respectively with output gear shaft 37.By regulating frequency converter 7, change the rotating speed of motor 2, the output shaft 33 of spur-gear differential 3 and output gear shaft 37 drive respectively auger conveyor 4 and rotary drum 5 same-directional high-speeds with the speed discrepancy rotation of 5-30r/min, realize the separation of various materials.In the present embodiment, frequency converter 7 adopts monotropic frequency control cabinet.
Spur-gear differential 3 is critical components the most complicated, important in the utility model, and its performance and quality directly affect ability to work of the present utility model and operational reliability.It is made up of two pairs of different helical gears of the number of teeth, by two pairs of different gear drives, makes the speed discrepancy of rotary drum 5 and auger conveyor 4 reach 5-30r/min.Helical gear meshing performance is good, stable drive, and noise is little, and registration is large, has reduced the load of every pair of gear, has improved the bearing capacity of gear.Helical gear in the present embodiment adopts high-precision hard flank of tooth roll flute gear, by well-designed, makes it have enough contact strengths and bending strength, to meet the needs of transmitting large torque, ensures good stable separating effect.
Auger conveyor 4 is mounted in rotary drum 5 inside, but the conveyor screw that can respectively rotate coaxial with rotary drum 5, most crucial parts of the present utility model, it can be delivered to slag-drip opening sediment continuously and discharge outside machine, its structure, material and parameter is not only related to production capacity, the working life of centrifuge, but also is related to the quality of separating effect.The cylindrical shell of auger conveyor 4 is arranged on bearing with rotary drum 5 is concentric, and the revolution gabarit that auger conveyor 4 edges form is conventionally identical with the shape of rotary drum 5.Blade 41 is welded on cylindrical shell and becomes spiral yarn shaped, is sprayed with one deck wearable hard alloy layer before the cylindrical of blade 41 and pusher, and spiral discharging mouth place increases cloth inner core, and spiral adopts single cone, can guarantee that the material being settled down in rotary drum 5 is transferred reliably.In order to reduce the wearing and tearing of coal slime to horizontal type screw settling centrifuge, screw conic section blade and one section of straight section blade stud with hard metal tip, before the cylindrical of rest blade and pusher, be sprayed with equally one deck wearable hard alloy layer, even can adopt on all blades and all stud with hard metal tip or potsherd, reduce wear.On the blade 41 of described auger conveyor 4, offer guiding gutter 411, the guiding gutter 411 that the clear liquid after separation is offered on blade flow to liquid phase outlet, has improved significantly the separating effect of centrifuge.
In order to carry the material that is deposited in rotary drum 5 inner surfaces, auger conveyor 4 with rotary drum 5 with identical direction rotation, but rotating speed difference (general slip is 5-30r/min), this slip is realized by row spur-gear differential 3 and frequency converter 7 actings in conjunction.
Rotary drum 5 is basic, the most basic parts of the utility model, and separation process completes in rotary drum 5 inside.It is a cylinder, is made up of tapered segment and column part.The barrel wearing and tearing of rotary drum 5 cylindrical shell tapering parts are larger; turn in order to reduce; 5 wearing and tearing; as preferred mode; surface is along the multiple ribs of generatrix direction plug welding therein; this can not only impel the closely knit protective layer that formation is made up of sediment on rotary drum 5, and can improve the conveying effect of spiral to sediment, prevents that sediment from skidding on rotary drum 5 circumference.The small end of rotary drum 5 tapered segments, is furnished with symmetrically sediment and unloads and portal.To unload cinder hole and avoid wearing and tearing in order to protect, as preferred mode, unload carbide alloy protection lining can be installed in cinder hole.
The utility model also comprises protection hood 8; described protection hood 8 is arranged at the lateral surface of rotary drum 5, and described protection hood 8 adopts double-decker, and at double-deck middle filling foamed glue; there is good soundproof effect, reduce the impact that produces NOISE ON ENVIRONMENT when rotary drum 5 and auger conveyor 4 are worked.
The utility model also comprises mine tram wheel 9 and bracing frame 10, described mine tram wheel 9 and bracing frame 10 are set to respectively detachably be installed on frame 1 bottom, gauge employing 600 or the 900mm of described mine tram wheel 9, convenient along rail transport, in the time that centrifuge is worked, bracing frame 10 is bolted in frame 1, regulates frame 1 height by handle, make four bracing frames 10 in same level.The base of bracing frame 10 is that ball-type connects, and can make assembled machine balance by automatic adjusting position, and easy to adjust, working stability is reliable, is applicable to the inferior adverse circumstances of coal mine.
Damping device 11 is set between support frame as described above 10 and bottom surface, suitable damping device also can be installed simultaneously between frame 1 and main frame, the problem such as noise and parts damage that while work to reduce centrifuge, the vibration of generation causes.
When the utility model is applied to Separation of Solid and Liquid, the power shaft 32 of spur-gear differential 3 is realized elasticity by shaft coupling with motor 2 and is connected, and two output shafts of spur-gear differential 3 are realized coaxial connection with rotary drum 5 and auger conveyor 4 respectively by key.Starter motor 2, regulate frequency converter 7 to change motor 2 rotating speeds, make rotary drum 5 and the speed discrepancy rotation of auger conveyor 4 same-directional high-speeds with 5-30r/min, suspension enters rotary drum 5 through feed pipe 6 from conveyor screw discharging opening, under the centrifugal action producing at High Rotation Speed, the solid phase particles that proportion is larger is deposited on rotary drum 5 inwalls, the helical blade 41 doing relative motion with rotary drum 5 constantly scrapes and is pushed into slag-drip opening by the solid phase particles being deposited on rotary drum 5 inwalls, and the guiding gutter 411 that the clear liquid after separation is offered on blade 41 flow to liquid phase outlet.
Certainly; above-mentioned explanation is not to restriction of the present utility model; the utility model is also not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art make in essential scope of the present utility model, also should belong to protection domain of the present utility model.
Claims (10)
1. a novel horizontal screw settling centrifuge, include frame (1) and be arranged at the motor (2) in frame (1), differential mechanism (3), auger conveyor (4), rotary drum (5) and feed pipe (6), described motor (2) is connected with differential mechanism (3) by shaft coupling, described differential mechanism (3) is connected with auger conveyor (4) and rotary drum (5) respectively, described auger conveyor (4) is arranged at the coaxially differential rotation in the same way of the inner also rotary drum (5) of rotary drum (5), described feed pipe (6) is connected with auger conveyor (4), it is characterized in that, also comprise frequency converter (7), described frequency converter (7) is connected with motor (2), described differential mechanism (3) adopts spur-gear differential, described spur-gear differential includes differential casing (31), in described housing (31), be provided with power shaft (32), output shaft (33) and the mechanical organ being equipped with it, described power shaft is provided with helical gear a(34 on (32)) and helical gear b(35), on described output shaft (33), be provided with output gear shaft (37) and helical gear d(38), described output gear shaft is provided with helical gear c(371 on (37)), described helical gear a(34) and helical gear d(38), helical gear b(35) with helical gear c(371) two pairs helical gear is intermeshing and gearratio is different, described output shaft (33) is connected with auger conveyor (4) and rotary drum (5) respectively with output gear shaft (37).
2. a kind of novel horizontal screw settling centrifuge according to claim 1, is characterized in that, on the blade (41) of described auger conveyor (4), is provided with wear-resistant device (42).
3. a kind of novel horizontal screw settling centrifuge according to claim 2, is characterized in that, described wear-resistant device (42) is set to be embedded in hard metal tip or the potsherd on blade (41).
4. a kind of novel horizontal screw settling centrifuge according to claim 2, is characterized in that, described wear-resistant device (42) is set at the upper spraying abrasion-proof layer of blade (41).
5. according to a kind of novel horizontal screw settling centrifuge described in claim 1,2,3 or 4 any one, it is characterized in that, on the blade (41) of described auger conveyor (4), offer guiding gutter (411).
6. a kind of novel horizontal screw settling centrifuge according to claim 1, is characterized in that, described rotary drum (5) inner surface is fixedly installed multiple ribs along generatrix direction.
7. according to a kind of novel horizontal screw settling centrifuge described in claim 1 or 6, it is characterized in that, unloading in cinder hole of described rotary drum (5) installed and protected title cover.
8. according to a kind of novel horizontal screw settling centrifuge described in claim 1,2,3,4 or 6; it is characterized in that; also comprise protection hood (8); described protection hood (8) is arranged at the lateral surface of rotary drum (5); described protection hood (8) adopts double-decker, and at double-deck middle filling foamed glue.
9. according to a kind of novel horizontal screw settling centrifuge described in claim 1,2,3,4 or 6, it is characterized in that, also comprise mine tram wheel (9) and bracing frame (10), described mine tram wheel (9) and bracing frame (10) are set to respectively detachably be installed on frame (1) bottom, mine tram wheel (9) is installed when transport, bracing frame (10) is installed when work.
10. a kind of novel horizontal screw settling centrifuge according to claim 9, is characterized in that, damping device (11) is set between support frame as described above (10) and bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050477.6U CN203711163U (en) | 2014-01-27 | 2014-01-27 | Novel horizontal decanter centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050477.6U CN203711163U (en) | 2014-01-27 | 2014-01-27 | Novel horizontal decanter centrifuge |
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| Publication Number | Publication Date |
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| CN203711163U true CN203711163U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420050477.6U Expired - Fee Related CN203711163U (en) | 2014-01-27 | 2014-01-27 | Novel horizontal decanter centrifuge |
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| Country | Link |
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| CN (1) | CN203711163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817019A (en) * | 2014-01-27 | 2014-05-28 | 山东鲁科自动化技术有限公司 | Novel horizontal spiral decanting centrifuge |
| CN104941816A (en) * | 2015-06-29 | 2015-09-30 | 宁波榕大环保装备有限公司 | Vertical-type sedimentation centrifuge for continuous unloading |
-
2014
- 2014-01-27 CN CN201420050477.6U patent/CN203711163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817019A (en) * | 2014-01-27 | 2014-05-28 | 山东鲁科自动化技术有限公司 | Novel horizontal spiral decanting centrifuge |
| CN104941816A (en) * | 2015-06-29 | 2015-09-30 | 宁波榕大环保装备有限公司 | Vertical-type sedimentation centrifuge for continuous unloading |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20170127 |