CN106975575A - Horizontal screw centrifuge and crystal salt dewatering system - Google Patents
Horizontal screw centrifuge and crystal salt dewatering system Download PDFInfo
- Publication number
- CN106975575A CN106975575A CN201710416429.2A CN201710416429A CN106975575A CN 106975575 A CN106975575 A CN 106975575A CN 201710416429 A CN201710416429 A CN 201710416429A CN 106975575 A CN106975575 A CN 106975575A
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- CN
- China
- Prior art keywords
- horizontal screw
- screw centrifuge
- hood
- rotating part
- slag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 15
- 239000013078 crystal Substances 0.000 title claims abstract description 12
- 239000007790 solid phase Substances 0.000 claims abstract description 33
- 239000002245 particle Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000002893 slag Substances 0.000 claims abstract description 18
- 238000007790 scraping Methods 0.000 claims description 22
- 239000007791 liquid phase Substances 0.000 claims description 17
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 7
- 238000010926 purge Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000005191 phase separation Methods 0.000 claims description 2
- 238000000926 separation method Methods 0.000 abstract description 7
- 239000000203 mixture Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000012047 saturated solution Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/08—Skimmers or scrapers for discharging ; Regulating thereof
Landscapes
- Centrifugal Separators (AREA)
Abstract
The invention provides a kind of horizontal screw centrifuge and crystal salt dewatering system, it is related to technical field of solid-liquid separation equipment.The horizontal screw centrifuge that the present invention is provided, including the scraper being arranged on outside slag-drip opening, rotating shaft drives the rotation of scraper portion, constantly the solid phase particles for being deposited in hood cavity position can be scraped and discharge slag notch, it ensure that when rotating part rotates at a high speed, all the time the inwall with hood keeps sufficiently large space, it is to avoid with rotating part outer surface high-speed resistance occurs for dry slag, cost-effective；The crystal salt dewatering system that the present invention is provided, applies the horizontal screw centrifuge that the present invention is provided, and centrifugal efficiency is high, can effectively save time and cost.
Description
Technical field
The present invention relates to technical field of solid-liquid separation equipment, more particularly, to a kind of horizontal screw centrifuge and crystallization dehydration of salt system
System.
Background technology
Centrifuge is the machine using centrifugal force separate liquid and each component in the mixture of solid particle or liquid and liquid
Tool.Centrifuge has a cylinder rotated at a high speed around axis itself, after separation of material is added, is revolved at the same speed with cylinder by driving rapidly
Turn, each component is separated under the action of the centrifugal force, and is discharged respectively.
Dehydration generally to industrial crystallization salt uses piston push centrifuge, and the type centrifuge is using filter screen filtration
Form is to carry out the separation of solid phase and liquid phase.And industrial crystallization salt is in crystallization process, it can produce and many be much smaller than screen pack
The fine particle of hole, these solid particles can not be retained by filter screen, and with liquid discharge apparatus, cause solid recovery rate inclined
Low, liquid, which is returned, to be repeated to crystallize, and causes system loading to increase.
Horizontal screw centrifuge is the higher solid, liquid body separation equipment of a kind of high efficiency, automaticity, be widely used in chemical industry,
The industries such as light industry, pharmacy, food, environmental protection.This class centrifuge operation principle is：Under effect of centrifugal force, heavier solid formation
It is deposited on cylindrical wall and forms sediment layer, and is discharged outside machine；Lighter liquid phase thing then forms internal layer pendular ring, is discharged through leakage fluid dram
Outside machine.
But, using common horizontal screw centrifuge, through being dehydrated after postindustrial crystal salt (water content 5% or so), discharge cylinder,
Under the huge centrifugal action that high speed rotation is produced, with very strong caking property, easily accumulated in the cavity position of hood, with
The increase of dry slag muck accumulated amount, the reduction of case intracavity space can be caused, causes dry slag to occur high-speed resistance with cylinder outer surface
And break down.
Therefore, exploitation one kind can effectively prevent dry slag from being accumulated in hood, so as to avoid the sleeping spiral shell of mechanical wear from centrifuging
Machine is particularly important.
In view of this, it is special to propose the present invention.
The content of the invention
First purpose of the present invention is to provide a kind of horizontal screw centrifuge, to alleviate dry slag muck present in prior art
Product easily causes drum Abrasion and then the technical problem broken down when high speed rotates.
Second object of the present invention is to provide a kind of crystal salt dewatering system.
The horizontal screw centrifuge that the present invention is provided, including：
Base, is arranged at the hood on the base；
The hood interior side is provided with centrifugal device, and opposite side is provided with scraper；
The hood is provided with liquid outlet in one end bottom provided with the centrifugal device, in one provided with the scraper
Bottom is held to be provided with slag notch；
The centrifugal device includes：
Rotating part, rotates so that solid phase and liquid phase separation for high speed；One end of the rotating part is provided with leakage fluid dram, another
End is provided with slag-drip opening；
In delivery section, the inner chamber for being arranged at the rotating part, for the solid phase that will be deposited on the inwall of the rotating part
Particle scrapes and releases the slag-drip opening；
Feeder, one end is arranged in the delivery section, and the other end connects with the feeding machanism outside the horizontal screw centrifuge
Connect；
The scraper includes：
Rotating shaft, outside the delivery section slag-drip opening；
Scraper portion, in the rotating shaft, throws away to the solid phase on the hood inwall for scraping from the slag-drip opening
Particle；
The rotating part, the delivery section, the feeder and the rotating shaft are by same main shaft drives, the main shaft and the
One power source is connected.
Further, the rotating part includes rotary drum, and the rotary drum includes being provided with the styletable of the leakage fluid dram and provided with institute
State the tapered end of slag-drip opening.
Further, the hood is barrel-shaped, including the sealing being sheathed on outside the styletable, and is sheathed on the tapered end
And the baffle portion outside scraper, the sealing is closely connected with the baffle portion；The liquid outlet is located at the sealing
Bottom, the slag notch is located at the baffle portion bottom.
Further, the sealing include thermal source inlet and thermal source outlet, for make thermal source the hood inwall with
Circulated in the interlayer of the rotary drum outer wall formation.
Further, the scraper portion includes the scraping rod being vertical in the rotating shaft and is vertical at the scraping rod
Two ends to the centrifugal device direction it is prominent scrape charge bar, the scraping rod is in contact with the vertical inner wall of the hood, institute
State and scrape charge bar and be in contact with the cylinder inwall of the hood.
Further, the delivery section includes auger conveyor, and the auger conveyor includes axis body and located at the axle
External helical blade, provided with the material inlet being connected with the feeder on the axis body, for material to be sent into institute
State in rotary drum.
Further, the horizontal screw centrifuge also includes differential mechanism, and the differential mechanism is by the second power source drive；The rotation
Transfer part and the delivery section are connected with the differential mechanism, and the differential mechanism can make under the drive of second power source
The rotating part and the delivery section are with the coaxial rotating Vortex of pre-set velocity difference.
Further, insulation material is filled with the base.
Further, it is additionally provided with purging system in the hood.
In addition, present invention also offers a kind of crystal salt dewatering system, including above-mentioned horizontal screw centrifuge.
The horizontal screw centrifuge that the present invention is provided, including the scraper being arranged on outside slag-drip opening, rotating shaft drive the rotation of scraper portion
Turn, constantly the solid phase particles for being deposited in hood cavity position can be scraped and discharge slag notch, ensure that high in rotating part
During speed rotation, the inwall with hood keeps sufficiently large space all the time, it is to avoid with rotating part outer surface high-speed resistance occurs for dry slag,
It is cost-effective；The crystal salt dewatering system that the present invention is provided, centrifugal efficiency is high, can effectively save time and cost.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
The overall schematic for the horizontal screw centrifuge that Fig. 1 provides for the first embodiment of the invention；
The direction view A-A for the horizontal screw centrifuge that Fig. 2 provides for the first embodiment of the invention；
Fig. 3 is the A-A sectional views for representing Fig. 2；
The schematic diagram of the scraper for the horizontal screw centrifuge that Fig. 4 provides for second of embodiment of the invention.
Icon：1- bases；21- sealings；22- baffle portions；The power sources of 3- first；4- slag-drip openings；The power sources of 5- second；6-
Scraping rod；7- scrapes charge bar；8- rotary drums；91- thermal source inlets；92- thermal source outlets；101- axis bodies；102- helical blades；11- materials
Entrance；12- differential mechanisms；13- feed pipes；14- liquid outlets；15- slag notches；16- decelerators；17- transmission belts；18- scrapes tablet.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to which term " on ", " under ", " vertical ", " interior ", " outer ", such as occurs in explanation,
Orientation or position relationship indicated by it are, based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention
Described with simplifying, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific orientation structure
Make and operate, therefore be not considered as limiting the invention.In addition, term " first ", " second " such as occur is only used for description
Purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " phase such as occurs
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
It is traditional solid liquid phase is carried out using horizontal screw centrifuge separation when, have ignored one it is important the problem of, be exactly to work as institute
When the solid phase particles isolated have certain viscosity, hood inner chamber can be deposited in, with the increase of solid phase particles accumulation, machine
The space for covering inner chamber is less and less, causes solid phase particles deposit to occur high-speed resistance with rotating part outer surface, and then cause machine
Tool failure or damage.
Two kinds of embodiments of the present invention, hood can be deposited in aiming at the solid phase particles of the prior art being centrifuged out
Inner chamber, causes solid phase particles deposit to occur high-speed resistance with rotating part outer surface, and then cause mechanical breakdown or damage to be made
The improvement gone out.Both embodiments are explained in detail separately below.
As shown in Figure 1, Figure 2 and Figure 3, in the first embodiment of the present invention, the horizontal screw centrifuge that the present invention is provided
Including：
Base 1, is arranged at the hood on base 1；
Hood interior side is provided with rotary drum 8, and opposite side is provided with scraper；
Hood is provided with liquid outlet 14 in one end bottom provided with rotary drum 8, is provided with out in one end bottom provided with scraper
Cinder notch 15；
Wherein, rotary drum 8 includes the styletable provided with leakage fluid dram and the tapered end provided with slag-drip opening 4, and cavity is provided with rotary drum 8.
Auger conveyor is provided with the cavity inside rotary drum 8, for the solid phase particles that will be deposited on the inwall of rotary drum 8
Scrape and release slag-drip opening 4.
In first embodiment of the present invention, auger conveyor includes axis body 101 and the spiral outside axis body 101
Blade 102.
Wherein, cavity also is provided with axis body 101, provided with the material inlet 11 being connected with feed pipe 13 on axis body 101,
For material to be sent into rotary drum 8；Helical blade 102 can scrape the solid phase particles on the inwall of rotary drum 8, and in rotary course
Release slag-drip opening 4.
In first embodiment of the present invention, the one end of feed pipe 13 and the material inlet 11 being arranged on axis body 101
It is connected, the other end is connected with the feeding machanism outside horizontal screw centrifuge.Solid-liquid phase mixture to be centrifuged passes through feeding machanism
It is discharged into feed pipe 13, and by material inlet 11 in rotary drum 8, carries out centrifugal treating.
In first embodiment of the present invention, hood is barrel-shaped, including the sealing being sheathed on outside the styletable of rotary drum 8
21, and the baffle portion 22 being sheathed on outside the tapered end of rotary drum 8 and scraper.
Wherein, sealing 21 and baffle portion 22 are split, and sealing 21 is closely connected with baffle portion 22；It is used as one kind replacement
Mode, sealing 21 can also be integrated part with baffle portion 22.
Liquid outlet 14 is located at the bottom of sealing 21, and slag notch 15 is located at the bottom of baffle portion 22.
In first embodiment of the present invention, sealing 21 includes thermal source inlet 91 and thermal source outlet 92, and thermal source leads to
Cross thermal source inlet 91 enter sealing 21 in, and by thermal source outlet 92 discharge sealing 21 so that thermal source hood inwall with
Circulated in the interlayer of the outer wall of rotary drum 8 formation.
Wherein, thermal source can be vapours or hot water.
In the case where operating environment temperature is far below solid liquid phase mixture temperature, by the addition of vapours or hot water,
The precipitation of solid phase particles in solid-liquid phase mixture saturated solution will not be caused because of scattering and disappearing for solid-liquid phase mixture heat, and then
It is enriched in inside base 1.Also, the vapours or hot water for adding temperature same with solid-liquid phase mixture carry out circulation insulation, into
This is low, and heat insulation effect is not influenceed by outside air temperature.
Further, insulation material is also filled with base 1, the horizontal screw centrifuge that the present invention is provided is incubated, kept away
Exempt to cause the precipitations of solid phase particles in solid-liquid phase mixture saturated solution, Jin Erfu because of scattering and disappearing for solid-liquid phase mixture heat
Collection is inside base 1.
Wherein, insulation material can be polyurathamc.There is sufficiently large space filling-foam polyester ammonia in base 1, into
This low, high insulating effect.
In first embodiment of the present invention, scraper portion includes the scraping rod 6 being vertical in rotating shaft and vertically set
In the two ends of scraping rod 6 to the direction of rotary drum 8 it is prominent scrape charge bar 7, scraping rod 6 is in contact with the vertical inner wall of hood, scrape charge bar 7
It is in contact with the cylinder inwall of hood.Wherein, the contact with hood vertical inner wall of scraping rod 6 and charge bar 7 and hood cylinder inwall are scraped
Contact can for be in close contact or gap-contact.
In first embodiment of the present invention, decelerator 16 is additionally provided with rotating shaft, can avoid making rotating shaft with turning
Drum 8 carries out unnecessary synchronized high-speed rotation, but carries out 20-30r/min slow rotation, so as to slow down the He of scraping rod 6
The abrasion of charge bar 7 and hood inwall is scraped, it is cost-effective.
Under the drive of rotating shaft, scraping rod 6 carries out uniform rotation, scrapes and is thrown away through slag-drip opening 4 to hood vertical inner wall
Solid phase particles, meanwhile, scrape charge bar 7 and uniform rotation carried out under the drive of scraping rod 6, scrape and thrown away through slag-drip opening 4 to hood
Solid phase particles on cylinder inwall, and the solid phase particles scraped are discharged into slag notch 15, it ensure that when rotating part rotates at a high speed,
All the time the inwall with hood keeps sufficiently large space, it is to avoid with rotating part outer surface high-speed resistance occurs for dry slag, cost-effective.
In first embodiment of the present invention, rotary drum 8, the axis body 101 of auger conveyor and the rotating shaft of scraper
By same main shaft drives, main shaft is connected with the first power source 3.
Wherein, the first power source 3 is main motor.
Main motor includes driving pulley, driven pulley with being provided with mechanical driving, mechanical driving before main shaft
With transmission belt 17.
Main motor, which includes, is provided with driving pulley on machine shaft, machine shaft, axis and the motor of driving pulley turn
The axis of axle is overlapped；Driven pulley is provided with main shaft；Driven pulley on driving pulley with being provided with transmission belt 17.When motor turns
When dynamic, drive driving pulley to rotate, transmission belt 17 is moved by the friction between driving pulley and transmission belt 17, and by passing
Dynamic friction between band 17 and driven pulley moves driven pulley, so as to drive motion of main shaft, main shaft drives rotary drum 8, spiral shell again
Revolve the pivot of conveyer and scraper.
In first embodiment of the present invention, horizontal screw centrifuge also includes differential mechanism 12, and differential mechanism 12 is moved by second
Power source 5 drives；Rotary drum 8 and auger conveyor are connected with differential mechanism 12, differential mechanism 12 can the second power source 5 drive
Under, make rotary drum 8 and auger conveyor with the coaxial rotating Vortex of pre-set velocity difference.
Wherein, the second power source 5 is auxiliary-motor.
Differential mechanism 12 can be arranged on inside hood, outside the styletable of rotary drum 8, and the shell of differential mechanism 12 is connected with rotary drum 8, differential
The output shaft of device 12 is connected with auger conveyor, and input shaft is connected with auxiliary-motor；Alternatively, differential mechanism 12 may be used also
To be arranged on outside hood, the styletable side of rotary drum 8.
In first embodiment of the present invention, purging system is additionally provided with hood.
Wherein, purging system can be CIP purging systems.
CIP purging systems, also can be to hood inside, rotary drum 8 in the state of the horizontal screw centrifuge operation that the present invention is provided
Outer surface and base 1 carry out the cleaning of full-automation, except debanding and the solid phase particles of above-mentioned position.So that cleaning reaches automatically
Change, sequencing, without human intervention, the problem of with the outer surface of rotary drum 8 high-speed resistance occurs for hood, base 1 can be avoided.
In the horizontal screw centrifuge provided using the first embodiment of the invention, first, solidliquid mixture to be centrifuged
(such as industrial crystallization salting liquid) enters through feed pipe 13 in the axis body 101 of auger conveyor, and by located at auger conveyor axle
Material inlet 11 on body 101 enters in rotary drum 8, and main motor drives transmission belt 17 by driving pulley, transmission belt 17 drive from
Movable belt pulley is so that main axis, driving rotary drum 8 rotates at a high speed.Under the huge centrifugal action produced by high speed rotates, than
The larger solid phase particles of weight are deposited on the inwall of rotary drum 8, in the presence of differential mechanism 12, coaxial with pre-set velocity difference with rotary drum 8
The auger conveyor of rotating Vortex is continuously run, and its helical blade 102 will scrape the solid phase particles being deposited on the inwall of rotary drum 8
And slag-drip opening 4 is released, into the inner chamber of hood, at the same time, scraper is rotated at a slow speed in the presence of decelerator 16,
Scraping rod 6 and scrape charge bar 7 scrape throw away to the solid phase particles of hood inwall and through slag notch 15 discharge hood in；After centrifugation
Clear liquid hand down leakage fluid dram outflow rotary drum 8, and through liquid outlet 14 discharge horizontal screw centrifuge.When horizontal screw centrifuge works or work
After the completion of, the CIP purging systems in hood can also be started, to hood inside, the outer surface of rotary drum 8 and base 1 are carried out entirely
The cleaning of automation, except debanding and the solid phase particles of above-mentioned position.
The schematic diagram of the scraper for the horizontal screw centrifuge that Fig. 4 provides for second of embodiment of the invention, the present invention the
The horizontal screw centrifuge that two kinds of embodiments are provided is the improvement on the basis of the first embodiment of the invention, in the present invention first
Plant the technology contents disclosed in embodiment and description is not repeated in the present embodiment, it is public in the first embodiment of the invention
The content opened falls within present embodiment disclosure, and the technical scheme described in the first embodiment of the invention also belongs to
In present embodiment, present embodiment is repeated no more.
As shown in figure 4, in second of embodiment of the present invention, the both sides of charge bar 7 of scraping in scraper are additionally provided with and scraped
Tablet 18, scrapes that the length of tablet 18 is identical with scraping charge bar 7, and it can be the sharp wedge structure in the thick one end in one end to scrape tablet 18, wherein,
Butt end is connected with scraping charge bar 7, and sharp end, which is located at, scrapes outside the both sides of charge bar 7, and inwall that can be preferably with hood mutually agrees with, so that
Scraper efficiency is further improved, also, sharp end can reduce and scrape charge bar 7 when scraping the solid phase particles being bonded on hood inwall
Resistance, improve scraper efficiency while, reduce mechanical abrasion, it is cost-effective.
In addition, present invention also offers a kind of crystal salt dewatering system, including feeding device, solid phase retracting device, liquid phase
The horizontal screw centrifuge that retracting device and the first embodiment of the invention or second of embodiment are provided.
Wherein, the horizontal screw centrifuge that feeding device is provided with the first embodiment of the invention or second of embodiment
Feed pipe 13 is connected, and centrifugal solid-liquid mixed material is treated for providing；Solid phase retracting device is arranged at horizontal screw centrifuge slag notch 15
Lower section, for reclaiming the solid phase particles being centrifuged out；Liquid phase retracting device is arranged at the lower section of horizontal screw centrifuge liquid outlet 14, for returning
Receive the clear liquid phase being centrifuged out.
In the crystal salt dewatering system provided using the present invention, solid-liquid mixture to be centrifuged is first by feeding device
The horizontal screw centrifuge that the first embodiment of the invention or second of embodiment are provided is entered by feed pipe 13, in centrifugation
During, solid phase retracting device is responsible for collecting the solid phase particles being centrifuged out, and liquid phase retracting device is responsible for collecting the clear liquid being centrifuged out
Phase, so as to complete the separation of solid phase liquid phase.
The crystal salt dewatering system that the present invention is provided, applies the horizontal screw centrifuge that the present invention is provided, and centrifugal efficiency is high, energy
It is enough effectively to save time and cost.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of horizontal screw centrifuge, it is characterised in that the horizontal screw centrifuge includes：
Base (1), is arranged at the hood on the base (1)；
The hood interior side is provided with centrifugal device, and opposite side is provided with scraper；
The hood is provided with liquid outlet (14) in one end bottom provided with the centrifugal device, in one provided with the scraper
Bottom is held to be provided with slag notch (15)；
The centrifugal device includes：
Rotating part, rotates so that solid phase and liquid phase separation for high speed；One end of the rotating part is provided with leakage fluid dram, and the other end is set
There is slag-drip opening (4)；
In delivery section, the inner chamber for being arranged at the rotating part, for the solid phase particles that will be deposited on the inwall of the rotating part
Scrape and release the slag-drip opening (4)；
Feeder, one end is arranged in the delivery section, and the other end is connected with the feeding machanism outside the horizontal screw centrifuge；
The scraper includes：
Rotating shaft, located at the delivery section slag-drip opening (4) outside；
Scraper portion, in the rotating shaft, throws away to the solid phase on the hood inwall for scraping from the slag-drip opening (4)
Grain；
The rotating part, the delivery section, the feeder is with the rotating shaft by same main shaft drives, and the main shaft and first is moved
Power source (3) is connected.
2. horizontal screw centrifuge according to claim 1, it is characterised in that the rotating part includes rotary drum (8), the rotary drum
(8) styletable provided with the leakage fluid dram and the tapered end provided with the slag-drip opening (4) are included.
3. horizontal screw centrifuge according to claim 2, it is characterised in that the hood is barrel-shaped, including be sheathed on described
Sealing (21) outside styletable, and the baffle portion (22) being sheathed on outside the tapered end and scraper, the sealing (21) with
The baffle portion (22) closely connects；The liquid outlet (14) is located at the sealing (21) bottom, and the slag notch (15) sets
In the baffle portion (22) bottom.
4. horizontal screw centrifuge according to claim 3, it is characterised in that the sealing (21) includes thermal source inlet (91)
With thermal source outlet (92), for make thermal source the hood inwall and the rotary drum (8) outer wall formation interlayer in circulate.
5. horizontal screw centrifuge according to claim 1, it is characterised in that the scraper portion includes being vertical at the rotating shaft
On scraping rod (6) and be vertical at the scraping rod (6) two ends to the centrifugal device direction it is prominent scrape charge bar (7),
The scraping rod (6) is in contact with the vertical inner wall of the hood, and the charge bar (7) of scraping connects with the cylinder inwall of the hood
Touch.
6. horizontal screw centrifuge according to claim 1, it is characterised in that the delivery section includes auger conveyor, described
Auger conveyor includes axis body (101) and the helical blade (102) located at the axis body (101) outside, on the axis body (101)
Provided with the material inlet (11) being connected with the feeder, for material to be sent into the rotating part.
7. horizontal screw centrifuge according to claim 1, it is characterised in that the horizontal screw centrifuge also includes differential mechanism
(12), the differential mechanism (12) is driven by the second power source (5)；The rotating part and the delivery section with the differential mechanism
(12) connect, the differential mechanism (12) can make the rotating part and the conveying under the drive of second power source (5)
Portion is with the coaxial rotating Vortex of pre-set velocity difference.
8. horizontal screw centrifuge according to claim 1, it is characterised in that insulation material is filled with the base (1).
9. horizontal screw centrifuge according to claim 1, it is characterised in that be additionally provided with purging system in the hood.
10. a kind of crystal salt dewatering system, it is characterised in that including the horizontal screw centrifuge described in claim any one of 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710416429.2A CN106975575A (en) | 2017-06-05 | 2017-06-05 | Horizontal screw centrifuge and crystal salt dewatering system |
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| CN201710416429.2A CN106975575A (en) | 2017-06-05 | 2017-06-05 | Horizontal screw centrifuge and crystal salt dewatering system |
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| CN201710416429.2A Pending CN106975575A (en) | 2017-06-05 | 2017-06-05 | Horizontal screw centrifuge and crystal salt dewatering system |
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| CN110494224A (en) * | 2017-05-04 | 2019-11-22 | 安德里茨有限公司 | Decanter centrifuge |
| CN111175154A (en) * | 2020-01-13 | 2020-05-19 | 温州大学 | Test device for realizing multi-body continuous impact of centrifugal machine |
| CN111871623A (en) * | 2020-07-30 | 2020-11-03 | 吴迎莉 | Centrifugal slurry dehydrator and dehydration treatment method |
| CN112452554A (en) * | 2020-11-09 | 2021-03-09 | 衡阳市凯信化工试剂股份有限公司 | Centrifugal device for methanol production |
| CN112495594A (en) * | 2020-11-30 | 2021-03-16 | 兖州煤业股份有限公司 | Horizontal centrifuge prevents running thick device |
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Application publication date: 20170725 |