CN105641999B - Natural-dehydration case and collection slurry processes dewatering system - Google Patents
Natural-dehydration case and collection slurry processes dewatering system Download PDFInfo
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- CN105641999B CN105641999B CN201610150919.8A CN201610150919A CN105641999B CN 105641999 B CN105641999 B CN 105641999B CN 201610150919 A CN201610150919 A CN 201610150919A CN 105641999 B CN105641999 B CN 105641999B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
- B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
- B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
- B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
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Abstract
The present invention relates to de-watering of slurries technical field, more particularly, to a kind of natural-dehydration case and collection slurry processes dewatering system.The natural-dehydration case includes natural-dehydration cabinet frame, natural-dehydration tank shell and a plurality of scraper arranged in parallel；Scraper in an inclined manner be arranged on natural-dehydration cabinet frame on, and scraper the preceding basil towards conveyer belt come to；The upper surface front end of scraper is leading edge plane close to one section of the preceding basil of scraper, and one section of the rear surface of connection leading edge plane and scraper is inclined inclined-plane gradually downward.The natural-dehydration area of the collection slurry processes dewatering system uses described natural-dehydration case.The natural-dehydration case that the present invention is provided, using the principle of negative pressure between scraper and conveyer belt water is scraped at the lower surface of conveyer belt, natural-dehydration rate is set to reach 11%~16%, reduce the abrasion to conveyer belt simultaneously, the service life of conveyer belt and scraper is improved, the dewatering efficiency of whole collection slurry processes dewatering system is also improved.
Description
Technical field
The present invention relates to de-watering of slurries technical field, more particularly, to a kind of natural-dehydration case and collection slurry processes dewatering system.
Background technology
It is existing in the production technologies such as construction material, papermaking, chemical industry, usually can the moisture and solute in need by solution
Or the process of slag charge separation.For example in fiber cement tile, the current industrialization production of plate, de-watering of slurries and blank-making technology use than
It is more to be generally divided into two major classes：One is to use to copy to follow the example of blank-making technology, and another kind of is to use slurry flowing process blank-making technology.
The equipment complexity for following the example of blank-making technology is copied, in order to prevent that agitator is added in slurry sediment, slurry tank；In order that
The slurry that cylinder mould is taken up, which is coated in, has enough thickness, it is necessary to multiple cylinder moulds on woollen blanket.Because each cylinder mould will match somebody with somebody one to two
Individual agitator, the device structures of this multiple multiple agitators of cylinder mould is not only complicated, bulky, maintenance difficult, and consumption
Amount is very big, and energy consumption is very high.
Slurry flowing process blank-making technology, with material, auxiliary material consumption less, backwater concentration is low, backwater is few, product intensity in length and breadth
Do that simple easily controllable, device structure is simple, low copy of energy consumption follows the example of unrivaled advantage than high, behaviour.But, because slurry is
Run down on blank, it is much greater that slurry water content is followed the example of than copying, therefore, can be with order to which the moisture discharge on blank is reached
Compressing degree, in de-watering of slurries step, it is necessary to use more sucker, consumes larger energy to reach slurry
Dehydration requirement.This method also results in that device length is larger, takes up an area the big and larger deficiency of consumed energy.
Collect slurry processes blank-making technology, can mainly solve fibre cement corrugated tile, Slab require the expenditure of energy it is many, need
, plant issue that occupation of land larger more complicated using structure.The dewatering type of current collection slurry processes dewatering system is relatively simple, especially
It is the dewater treatment to conveyer belt, and dehydrating effect and dewatering efficiency are all poor.
The content of the invention
It is of the prior art to solve it is an object of the invention to provide a kind of natural-dehydration case and collection slurry processes dewatering system
Collect the poor technical problem of the conveyer belt dehydrating effect of slurry processes dewatering system.
The natural-dehydration case that the present invention is provided, including natural-dehydration cabinet frame, natural-dehydration tank shell and it is arranged on institute
State a plurality of scraper arranged in parallel in natural-dehydration cabinet frame；
The scraper is arranged in the natural-dehydration cabinet frame in an inclined manner, and the preceding basil direction of the scraper
Conveyer belt come to；
The upper surface extreme higher position of the scraper exceeds the upper surface of the natural-dehydration cabinet frame, and the scraper is upper
Surface extreme higher position is concordant with plane where the lower surface of conveyer belt；
The upper surface front end of the scraper is leading edge plane close to one section of the preceding basil of the scraper, connects the leading edge
One section of the rear surface of plane and the scraper is inclined inclined-plane gradually downward.
Described blade construction make use of the principle that negative pressure is produced between inclined-plane and conveyer belt lower surface：In dehydration
In, when conveyer belt starts to contact with leading edge plane, the humidification of leading edge plane and water generates certain absorption affinity, so that
Very thin moisture film is formed between the lower surface and leading edge plane of conveyer belt；Conveyer belt reach incline position after, conveyer belt and tiltedly
A tapered region is formed between face, the tapered region can produce certain vacuum suction effect, and after tapered region increases, moisture film is in water
It can't at once be separated under molcohesion effect, but form the different moisture film of many interval velocities, inclined-plane will be left in moisture film
When the absorption affinity that can destroy between water and inclined-plane, at this moment realize that moisture departs from.
Further, the scraper is glass scraper blade, and each scraper is spaced.
Scraper is made using glass material, its cost is relatively low, and service life is long.
Further, the preceding basil of the scraper, i.e., between the leading edge plane of described scraper and the preceding surface of the scraper
Angle be 45 °~55 °.
Further, the angle between the inclined-plane and horizontal plane of the upper surface of the scraper is 3 °~5 °.
Further, the intersection location and the nature on the inclined-plane of the upper surface of the scraper and the rear surface of the scraper
The upper surface for being dehydrated cabinet frame is concordant.
Further, the length of the leading edge plane is 8mm~12mm, and the length on the inclined-plane is 30mm~35mm.
Further, described natural-dehydration case also includes installing plate, preceding angle steel and rear angle steel；The installing plate is tilted
Be fixed in the natural-dehydration cabinet frame, the preceding angle steel and the rear angle steel are fitted in the preceding surface of the scraper respectively
With on rear surface, the scraper is clamped, and the preceding angle steel is fixed on the installing plate with the rear angle steel.
Further, the natural-dehydration tank shell is surrounded the box body knot of upper end open by four side walls and a bottom surface
Structure；Four side walls are from top to bottom to the centroclinal of the natural-dehydration tank shell, and the bottom surface is tilted to side, and
Extreme lower position in the bottom surface sets delivery port.
The collection slurry processes dewatering system that the present invention is provided, including the use of the natural-dehydration area of the natural-dehydration case, in addition to
First vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area, compressing drying zone, be arranged on it is described dehydration system
The system roller that reverses foremost, the breast roll being arranged on the compressing drying zone of the dewatering system least significant end, it is arranged on each area
Between some transfer rollers and around the water penetration conveyer belt being located on the roller that reverses, breast roll and each transfer roller；
The water penetration conveyer belt pass sequentially through the natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone,
Second vacuum dehydration area and compressing drying zone, to the slurry on the water penetration conveyer belt and the water penetration conveyer belt
Carry out dewater treatment.
Beneficial effects of the present invention are：
(1) scraper scrapes water using principle of negative pressure at the lower surface of conveyer belt, allow natural-dehydration rate reach 11%~
16%；
(2) contacted between scraper and conveyer belt lower surface for face, reduce the abrasion to conveyer belt, improve conveyer belt and
The service life of scraper；
(3) compared with existing collection slurry processes blank-making technology, the present invention will scrape water dehydration, vacuum suction dehydration naturally and extrude
Dehydration combines, and dehydrating effect is more preferable.
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.
Fig. 1 is the front view provided in an embodiment of the present invention for collecting slurry processes dewatering system；
Fig. 2 is the front view of natural-dehydration case；
Fig. 3 is the top view of natural-dehydration case；
Fig. 4 is Fig. 3 A-A faces profile；
Fig. 5 is the zoomed-in view of the glass scraper blade in I regions in Fig. 4.
Reference：
1- revolving rolls；2- woollen blanket deflector rolls；
3- natural-dehydrations area；The first vacuum dehydrations of 4- area；
5- arc dewatering boxs；The sluicing pipes of 6- first；
7- cylinder moulds；8- couch roll fixed seats；
9- couch rolls；10- couch roll arms；
11- couch roll arm mounting seats；The second vacuum dehydrations of 12- area；
13- tightening devices；14- makes cloth device；
The sluicing pipes of 15- second；16- main stands；
17- base press-forming machines；18- head boxs；
301- natural-dehydration cabinet frames；Angle steel before 302-；
303- glass scraper blades；Angle steel after 304-；
305- installing plates；306- natural-dehydration tank shells.
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 explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
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.
Collecting slurry processes blank-making technology includes a row step：
(1) batch mixing slurrying, slurry is mixed and made into by cement, orthopaedics and water；
(2) cloth is starched, and cloth is flowed down out of slurry tank and uniformly spread on the woollen blanket with water penetration；
(3) de-watering of slurries, by the de-watering of slurries on woollen blanket be by by the slurry of woollen blanket one side be coated on surface have it is close
On the cylinder mould for arranging drainage through hole or drainage trap, the water in slurry is extruded in the extruding by woollen blanket and cylinder mould to slurry；
(4) it is compressing, the moist slurry after being dehydrated on woollen blanket is pressed into base, and the base substrate being molded and woollen blanket are divided
From.
The dewatering process and dewatering system in collection slurry processes blank-making technology are carried out below by a specific embodiment
Detailed description.
Fig. 1 is the front view provided in an embodiment of the present invention for collecting slurry processes dewatering system.
The collection slurry processes dewatering system includes：The natural-dehydration area 3 that sets gradually, the first vacuum dehydration area 4, cylinder mould couch roll take off
Pool, the second vacuum dehydration area 12 and compressing drying zone.Wherein, compressing drying zone uses base press-forming machine
17。
Also include being arranged on each 12 interval woollen blanket deflector rolls 2 and around the water penetration conveyer belt being located on each transfer roller, and
The water penetration conveyer belt passes sequentially through the natural-dehydration area 3, the first vacuum dehydration area 4, cylinder mould couch roll drying zone, second true
Empty drying zone 12 and compressing drying zone.
Water penetration conveyer belt uses woollen blanket.
Natural-dehydration area 3 includes two natural-dehydration casees being sequentially arranged.
Fig. 2 is the front view of natural-dehydration case；Fig. 3 is the top view of natural-dehydration case；Fig. 4 is Fig. 3 A-A faces section
Figure；Fig. 5 is the zoomed-in view of the glass scraper blade in I regions in Fig. 4.
As shown in Figures 2 to 5, single natural-dehydration case, including natural-dehydration cabinet frame 301, natural-dehydration tank shell
306 and seven scrapers arranged in parallel being arranged in natural-dehydration cabinet frame 301.
Scraper is glass scraper blade 303, with intermittent fashion.
Seven pieces of installing plates 305 are inclined to be fixed in natural-dehydration cabinet frame 301, be " L " shape preceding angle steel 302 with after
Angle steel 304 is fitted in a front surface and a rear surface of glass scraper blade 303 respectively, and glass scraper blade 303 is clamped.Angle steel afterwards
304 are weldingly fixed on installing plate 305, and preceding angle steel 302 is weldingly fixed on rear angle steel 304.So as to make glass scraper blade 303
It is arranged in an inclined manner in natural-dehydration cabinet frame 301, and the preceding basil the coming towards conveyer belt of glass scraper blade 303
To.
The upper surface extreme higher position of glass scraper blade 303 exceeds the upper surface of natural-dehydration cabinet frame 301, and glass slicker
The upper surface extreme higher position of piece 303 is concordant with plane where the lower surface of transmission belt.
The upper surface front end of glass scraper blade 303 is leading edge plane, connection leading edge plane and glass close to one section of the preceding basil
One section of the rear surface of glass wing 303 is inclined inclined-plane gradually downward.
Angle between the leading edge plane of glass scraper blade 303 and the preceding surface of glass scraper blade 303 is 50 °, glass scraper
Angle between the inclined-plane and horizontal plane of the upper surface of blade 303 is 3.5 °, and the length of leading edge plane is 10mm, and the length on inclined-plane is
33mm。
The intersection location on the inclined-plane of the upper surface of glass scraper blade 303 and the rear surface of glass scraper blade 303 with taking off naturally
The upper surface of water tank framework 301 is concordant.
Described blade construction make use of the principle that negative pressure is produced between inclined-plane and conveyer belt lower surface：In dehydration
In, when conveyer belt starts to contact with leading edge plane, the humidification of leading edge plane and water generates certain absorption affinity, so that
Very thin moisture film is formed between the lower surface and leading edge plane of conveyer belt；Conveyer belt reach incline position after, conveyer belt and tiltedly
A tapered region is formed between face, the tapered region can produce certain vacuum suction effect, and after tapered region increases, moisture film is in water
It can't at once be separated under molcohesion effect, but form the different moisture film of many interval velocities, inclined-plane will be left in moisture film
When the absorption affinity that can destroy between water and inclined-plane, at this moment realize that moisture departs from, make natural-dehydration rate can typically reach 11%~
16%.
Meanwhile, scraper is made using glass material, its cost is relatively low, and service life is long.
In the preferred scheme of the present embodiment, natural-dehydration tank shell 306 surrounds upper end by four side walls and a bottom surface
The box body structure of opening；Four side walls are from top to bottom to the centroclinal of natural-dehydration tank shell 306, and bottom surface is rolled to one
Tiltedly, and in the extreme lower position setting delivery port of bottom surface.
Described base press-forming machine 17 mainly includes：Forming tube, breast roll, main frame wallboard, pressure arm and air bag are several big
Part.
Main frame wallboard is divided into two pieces of left and right, is each attached on bottom surface.Supported and connected by distance sink tube between two blocks of main frame wallboards
Connect, and forming tube bearing block is set on the top of main frame wallboard, while being mounted to type tube.
Pressure arm is arranged on the position between two blocks of main frame wallboards on the lower by pressure arm swivel pin in articulated manner.Pressure
Lever construction of the arm of force formation using pressure arm swivel pin as fulcrum.
On the one arm of pressure arm, breast roll bearing block is installed by backing plate, and breast roll is installed.Breast roll is located at forming tube
Underface or slightly more inclined position.
The end of the arm of breast roll is installed in pressure arm, air bag is set.The upper end of air bag is connected with pressure arm, and lower end is fixed on
On main frame wallboard.
So, by controlling the harmomegathus of air bag that the lifting of breast roll can be achieved, so as to adjust institute between breast roll and forming tube
The pressure value of generation.
During regulation, forming tube position is motionless, is adjusted merely by the position of breast roll to adjust briquetting pressure, adjusted
Cheng Gengjia is convenient and simple；The lifting of breast roll is controlled by air bag, reaction speed is fast, can reach briquetting pressure in very short time
To desired value.
Oil cylinder can also be set in the one end of pressure arm away from air bag.Oil cylinder is general by the way of being vertically arranged, thereon
End is hinged with main frame wallboard, and lower end is hinged with pressure arm.
Oil cylinder is used as auxiliary pressurized equipment.The pressure value of the compressing needs of general conventional plate is 25t, only with
Air bag；And 80t or so pressure value is needed during low-density and high-strength plate, now need to use cooperatively air bag with oil cylinder,
So as to improve the pressure value upper limit, process requirements are reached.
When breast roll is located at forming tube slightly more inclined position, the central shaft of forming tube and the central shaft of breast roll are in level
The spacing between projection on face is typically taken as -20mm~150mm, wherein, negative value represents that the central shaft of breast roll is located at forming tube
Between central shaft and pressure arm swivel pin, it is located on the occasion of the central shaft for representing breast roll between the central shaft of forming tube and air bag.
In order that the harmomegathus of air bag and the lifting of breast roll preferably coordinate, it is necessary to according to the bias between breast roll and forming tube
Situation carries out the further setting of setting angle.It is a that type tube center, which is set as, with the line at breast roll center and the angle of vertical direction,
The center line of air bag and the angle of horizontal direction are b, then need a and b complementary.
Under normal circumstances, the projection according to the central shaft of the central shaft of the forming tube above provided and breast roll in the horizontal plane
Between spacing, the span for setting angle a is -1.04 °~7.72 °, wherein, negative value represents that the central shaft of breast roll is located at shaping
Between the central shaft and pressure arm swivel pin of cylinder, on the occasion of the central shaft for representing breast roll be located at forming tube central shaft and air bag it
Between.
To ensure the co-ordination of oil cylinder and air bag, it is necessary to be configured to the position of oil cylinder and air bag.If the oil cylinder
Central shaft and pressure arm swivel pin between distance be L0, between the vertical plane where the pressure arm swivel pin and breast roll central shaft
Distance be L1, the distance between vertical plane and air bag upper surface central point where the breast roll central shaft is L2；Then normal conditions
Under, set L0：L1：L2=1：1：1.
First vacuum dehydration area 4 and the second vacuum dehydration area 12 respectively set three vaccum dewatering box.Wherein, first is true
Empty drying zone 4 is arranged between natural-dehydration area 3 and cylinder mould couch roll drying zone；Second vacuum dehydration area 12 is arranged on cylinder mould couch roll
On main stand 16 between drying zone and base press-forming machine 17.
Vaccum dewatering box is the dehydration of the φ 18mm of densely covered array arrangement on square cone cylinder structure, the dewatering plate of top surface
Hole, the bottom of vaccum dewatering box is connected with vavuum pump.Dewatering hole is evenly arranged, it is ensured that the vacuum of each position is basically identical,
Advantageously ensure that the surface quality and each several part attribute of woollen blanket are identical.
Three vaccum dewatering box in the first vacuum dehydration area 4 and three vaccum dewatering box in the second vacuum dehydration area 12 are each
A vavuum pump is shared, so as to reduce the vacuum in each vaccum dewatering box, prevents the high suction that condition of high vacuum degree is produced to woollen blanket
Operation brings resistance, so as to ensure that the service life of woollen blanket.
Cylinder mould couch roll drying zone mainly includes cylinder mould 7 and couch roll 9；Cylinder mould 7 to be columnar structured, by cylinder mould fixed seat and
Bearing is arranged on main stand 16；Couch roll 9 is arranged on couch roll arm 10 by couch roll fixed seat 8 and bearing, the couch roll arm
10 are arranged on main stand 16 by couch roll arm bearing pin.Couch roll 9 is close on the outer wall of cylinder mould 7, and woollen blanket is from couch roll 9 and net
Pass through between cage 7.
Cylinder mould 7 is stainless steel cylinder mould, is made up of backing wire and outer net.Wherein, the effect of backing wire is to make wire side smooth and scattered
The pressure of couch roll 9, outer net, which is mainly, allows the slurry flowed through to be further dehydrated, it is easy to form mixed slab, due to cylinder mould 7 and woollen blanket it
Between squeezing action, moisture can be made therefrom to depart from.
To ensure the uniformity of flatness and each several part attribute of the wet mat when leaving cylinder mould, the central shaft of couch roll 9 with
The central shaft of cylinder mould 7 needs parallel arrangement, and the plane where the central shaft of couch roll 9 and the central shaft of cylinder mould 7 and the folder between horizontal plane
Angle is -45 °~167.75 °.
In the present embodiment, the plane where the central shaft of couch roll 9 and the central shaft of cylinder mould 7 and the angle between horizontal plane are elected as
100.78°。
At least one first sluicing pipe 6 is also set up near cylinder mould 7, cylinder mould 7 is cleaned.The central shaft of couch roll 9 with
When plane where the central shaft of cylinder mould 7 and the angle between horizontal plane are 100.78 °, the first sluicing pipe 6 is arranged on the not hair of cylinder mould 7
The circular side of blanket, the angle with horizontal plane is about 45 °, it is ensured that the dregs on cylinder mould 7 are cleaned up.
Set in base press-forming machine 17 to the conveyer belt return phase between natural-dehydration area and make cloth device 14, and described
Make cloth device 14 and second sluicing pipe 15 is nearby set, the dregs on woollen blanket are cleaned.
Tightening device 13 is also set up in conveyer belt return phase, for adjusting the position of some or multiple woollen blanket deflector rolls 2, so that
Adjust the elastic of woollen blanket.
Cloth device 14 is being made to also setting up an arc dewatering box 5 between natural-dehydration area 3：Arc dewatering box 5 is in for section
Semicircular tubular construction, its upper surface is sets the dewatering plate of the permeable hole of some dense arrangements, and the arc dewatering box
Bottom be connected with vavuum pump.
The vacuum of arc dewatering box 5 is higher than vaccum dewatering box, can be to the woollen blanket by the cleaning of the second sluicing pipe 15
Carry out vacuum dehydration processing.
In the front end in natural-dehydration area 3, revolving roll 1 is set.Wherein, the breast roll of revolving roll 1 and base press-forming machine 17 is
Drive roll, remaining woollen blanket deflector roll 2 and couch roll 9 etc. are driven voller.Using the form of double drive rolls, the operation of woollen blanket can be made
It is more steady, fluctuate smaller.Revolving roll 1 and breast roll are rubber roll, provide the power of operating for woollen blanket by frictional force.
Concretely comprised the following steps using the collection slurry processes dewatering process of the system：
By head box 18 by above slurry charity woollen blanket, the concentration of initial slurry is 16%~20%.It is used as transmission
The woollen blanket of band sequentially passes through the progress of natural-dehydration area 3 with slurry and scrapes water dehydration, by the first vacuum dehydration area 4 progress first time
Vacuum suction dehydration, by cylinder mould couch roll drying zone carry out first time extrusion dehydration, carry out the by the second vacuum dehydration area 12
Secondary vacuum suction is dehydrated and final extrusion dehydration shaping is carried out by compressing drying zone, makes the final aqueous of slurry
Amount reaches 24%~28%, reaches making sheet requirement.
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 natural-dehydration case, including natural-dehydration cabinet frame, natural-dehydration tank shell and it is arranged on the natural-dehydration
A plurality of scraper arranged in parallel in cabinet frame, it is characterised in that
The scraper is arranged in the natural-dehydration cabinet frame in an inclined manner, and the preceding basil direction transmission of the scraper
Band come to；
The upper surface extreme higher position of the scraper exceeds the upper surface of the natural-dehydration cabinet frame, and the upper surface of the scraper
Extreme higher position is concordant with plane where the lower surface of conveyer belt；
The upper surface front end of the scraper is leading edge plane close to one section of the preceding basil of the scraper, connects the leading edge plane
One section with the rear surface of the scraper is inclined inclined-plane gradually downward.
It is each described to scrape 2. natural-dehydration case according to claim 1, it is characterised in that the scraper is glass scraper blade
Knife is spaced.
3. natural-dehydration case according to claim 2, it is characterised in that the preceding basil of the scraper, i.e., described scraper
Angle between leading edge plane and the preceding surface of the scraper is 45 °~55 °.
4. natural-dehydration case according to claim 2, it is characterised in that the inclined-plane and horizontal plane of the upper surface of the scraper
Between angle be 3 °~5 °.
5. natural-dehydration case according to claim 2, it is characterised in that scraped with described on the inclined-plane of the upper surface of the scraper
The intersection location on the rear surface of knife is concordant with the upper surface of the natural-dehydration cabinet frame.
6. natural-dehydration case according to claim 2, it is characterised in that the length of the leading edge plane is 8mm~12mm,
The length on the inclined-plane is 30mm~35mm.
7. natural-dehydration case according to claim 1, it is characterised in that also including installing plate, preceding angle steel and rear angle steel；
The installing plate is inclined to be fixed in the natural-dehydration cabinet frame, and the preceding angle steel is fitted in institute respectively with the rear angle steel
State in a front surface and a rear surface of scraper, the scraper is clamped, and the preceding angle steel is fixed on the peace with the rear angle steel
Fill on plate.
8. natural-dehydration case according to claim 1, it is characterised in that the natural-dehydration tank shell by four side walls and
One bottom surface surrounds the box body structure of upper end open；Four side walls are from top to bottom into the natural-dehydration tank shell
The heart is tilted.
9. natural-dehydration case according to claim 8, it is characterised in that the bottom surface is tilted to side, and at the bottom
The extreme lower position in face sets delivery port.
10. one kind collection slurry processes dewatering system, it is characterised in that including the use of the natural-dehydration described in any one of claim 1~9
The natural-dehydration area of case, in addition to it is the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area, compressing de-
Pool, the compressing dehydration for being arranged on the dewatering system roller that reverses foremost, being arranged on the dewatering system least significant end
Breast roll in area, it is arranged on each interval some transfer rollers and around the water penetration transmission being located on the roller that reverses, breast roll and each transfer roller
Band；
The water penetration conveyer belt passes sequentially through the natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone, second
Vacuum dehydration area and compressing drying zone, are carried out to the slurry on the water penetration conveyer belt and the water penetration conveyer belt
Dewater treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150919.8A CN105641999B (en) | 2016-03-16 | 2016-03-16 | Natural-dehydration case and collection slurry processes dewatering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610150919.8A CN105641999B (en) | 2016-03-16 | 2016-03-16 | Natural-dehydration case and collection slurry processes dewatering system |
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| Publication Number | Publication Date |
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| US5520731A (en) * | 1990-10-20 | 1996-05-28 | Zanders Feinpapiere Ag | Doctor blade for use in coating continuous strips of material or similar substrates |
| FI121853B (en) * | 2009-12-11 | 2011-05-13 | Metso Paper Inc | Scraper blade for fiber web machine and scraper assembly in fiber web machine |
| CN102343177B (en) * | 2011-10-18 | 2014-11-26 | 黄子君 | Slurry dehydrating process method and equipment |
| CN203123665U (en) * | 2013-03-19 | 2013-08-14 | 佛山市绿建环保科技有限公司 | Dehydrator |
| CN205549782U (en) * | 2016-03-16 | 2016-09-07 | 柳州市杰特建材有限责任公司 | Nature dehydration box and collection thick liquid method dewatering system |
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