CN105668983B - Collect slurry processes dewatering system and technique - Google Patents
Collect slurry processes dewatering system and technique Download PDFInfo
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- CN105668983B CN105668983B CN201610150816.1A CN201610150816A CN105668983B CN 105668983 B CN105668983 B CN 105668983B CN 201610150816 A CN201610150816 A CN 201610150816A CN 105668983 B CN105668983 B CN 105668983B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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Abstract
The present invention relates to de-watering of slurries technical fields, more particularly, to a kind of collection slurry processes dewatering system and technique.The dewatering system includes: the natural-dehydration area set gradually, the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area and compression moulding drying zone；It further include the water penetration conveyer belt that several transfer rollers in each section are set and are wound around on each transfer roller, and water penetration conveyer belt passes sequentially through the natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area and compression moulding drying zone；Arc dewatering box can also be set in the return phase of conveyer belt.By the upper surface of slurry charity water penetration conveyer belt, successively by scraping water dehydration, for the first time vacuum suction dehydration, first time extrusion dehydration, second of vacuum suction dehydration and final extrusion dehydration molding, so that the final water content of slurry is reached 24%~28%, reaches making sheet requirement.Dehydration rate of the present invention is high, and low energy consumption, greatly reduces cost.
Description
Technical field
The present invention relates to de-watering of slurries technical fields, more particularly, to a kind of collection slurry processes dewatering system and technique.
Background technique
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.Such as in fiber cement tile, the current industrialization production of plate, de-watering of slurries and blank-making technology use than
More to be generally divided into two major classes: first is that following the example of blank-making technology using copying, another kind of is using slurry flowing process blank-making technology.
It copies and follows the example of blank-making technology the device is complicated, in order to prevent slurry sediment, to add blender in slurry box；In order to make
The slurry that cylinder mould is taken up, which is coated on woollen blanket, enough thickness, needs multiple cylinder moulds.Because each cylinder mould will match one to two
A blender, the device structure of this multiple multiple blenders of cylinder mould is not only complicated, bulky, maintenance difficult, but also consumes
Amount is very big, and energy consumption is very high.
Slurry flowing process blank-making technology, have material, auxiliary material consumption less, return water concentration is low, return water is few, product intensity in length and breadth
It does that letter is easily controllable, device structure is simple, low energy consumption etc. than high, behaviour and copies and follow the example of incomparable advantage.But since slurry is
Run down on blank, slurry water content than copy follow the example of it is much greater, therefore, can be in order to reach the moisture discharge on blank
The degree of compression moulding, in de-watering of slurries step, it is necessary to use more sucker, consume biggish energy to reach slurry
Dehydration requirement.It is larger that this method also results in device length, and land occupation is greatly and the consumption biggish deficiency of energy.
Collect slurry processes blank-making technology, mainly can solve fibre cement corrugated tile, Slab require the expenditure of energy it is more, need
, land occupation biggish plant issue more complex using structure.Collection slurry processes base include mixing slurrying, cloth slurry, de-watering of slurries and
Several big steps of compression moulding.Patent CN201110315640.8 discloses a kind of slurry dehydrating process method and equipment, but the work
Skill relies primarily on cylinder mould couch roll structure and molding machine carries out extrusion dehydration, and dehydration rate is not high；The conveyer belt water content of return is higher,
Affect the dehydration of subsequent slurry.
Summary of the invention
The purpose of the present invention is to provide a kind of collection slurry processes dewatering system and techniques, to solve slurry existing in the prior art
The technical issues of expecting lower dehydration rate, higher cost.
Collection slurry processes dewatering system provided by the invention, comprising: the natural-dehydration area that sets gradually, the first vacuum dehydration area,
Cylinder mould couch roll drying zone, the second vacuum dehydration area and compression moulding drying zone；
It further include the water penetration conveyer belt that several transfer rollers in each section are set and are wound around on each transfer roller, and described
Aqueous conveyer belt passes sequentially through the natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area
And compression moulding drying zone；
At least one sluicing pipe is also set up in the cylinder mould couch roll drying zone, cylinder mould is cleaned；It is de- in compression moulding
Cloth device is made in pool to the conveyer belt return phase setting between natural-dehydration area, and at least one is arranged near cloth device washes in described beat
Pipe is washed, the water penetration conveyer belt is cleaned.
By natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area and it is pressed into
Type drying zone five times dehydrations control the final water content of slurry between 24%~28%, reach making sheet requirement.And by washing
Pipe cleans the return phase of water penetration conveyer belt, can dispel remaining slurry dregs on conveyer belt, does for next cloth slurry
Prepare.
Further, the collection slurry processes dewatering system further includes arc drying zone；
The arc drying zone setting, between natural-dehydration area, transmits the water penetration through over cleaning in the cloth device of beating
Band carries out vacuum dehydration processing, and the moisture content of water penetration conveyer belt is made to be maintained at suitable level, mentions for subsequent de-watering of slurries
For suitable condition.
Further, the natural-dehydration area includes at least one natural-dehydration case；The upper surface of the natural-dehydration case
Muti-piece windshield wiper blade is set.
Natural-dehydration area uses two natural-dehydration casees, is scraped using lower surface of the glass slicker to water penetration conveyer belt
Water scrapes off the most of moisture of water penetration conveyer belt lower end attachment.Natural-dehydration rate generally can achieve 11%~16%.
Further, first vacuum dehydration area and the second vacuum dehydration area include at least a vacuum dehydration respectively
Case；The permeable hole of several dense arrangements, and the bottom of the vaccum dewatering box and vacuum is arranged in the surface of the vaccum dewatering box
Pump connection.
So that the operation of water penetration conveyer belt is obstructed since condition of high vacuum degree can generate high suction, reduces making for water penetration conveyer belt
With the service life, therefore multiple vaccum dewatering box are generallyd use, a vacuum pump is shared, to reduce vacuum degree.
Further, the cylinder mould couch roll drying zone mainly includes cylinder mould and couch roll；
The cylinder mould be it is columnar structured, be mounted on main stand by bearing；
The couch roll is mounted on couch roll arm by bearing, and the couch roll arm is mounted on main stand by pin shaft；
The couch roll is tightly attached on the outer wall of cylinder mould, and the water penetration conveyer belt passes through between couch roll and cylinder mould.
Cylinder mould is stainless steel material, is made of backing wire and outer net.Wherein the effect of backing wire is to keep wire side smooth and dispersion volt
The pressure of roller, outer net mainly allow the slurry flowed through to be further dehydrated, are easily formed wet mat.
Cylinder mould couch roll section using the pressure between cylinder mould and water penetration conveyer belt and the extruding between couch roll and cylinder mould come
Realize filtering means dehydration.
Further, the central axis of the couch roll and the central axis of cylinder mould are parallel, and couch roll central axis and cylinder mould central axis
Angle between the plane and horizontal plane at place is -45 °~167.75 °.
The central axis of couch roll and the central axis of cylinder mould are parallel, it is ensured that flatness of the wet mat when leaving cylinder mould and
The consistency of each section attribute.
Further, the couch roll central axis and the plane where cylinder mould central axis and the angle between horizontal plane are preferably
100.78°.Under the angle, sluicing pipe is arranged in counterclockwise 45 ° or so of cylinder mould, and sluicing pipe position is too low to will lead to cylinder mould
On attachment cleaning not exclusively, influence subsequent product quality.
Further, the arc dewatering box is one, is the tubular construction of section semicircular in shape, and upper surface setting is several
The permeable hole of dense arrangement, and the bottom of the arc dewatering box is controlled to a vacuum pump.
Compared to the vacuum dehydration area combined by multiple vaccum dewatering box, arc dewatering box is only arranged one, vacuum degree
It is higher, for the dehydration of the conveyer belt after cleaning, prepare for next sizing process.
Further, the compression moulding drying zone carries out final extrusion dehydration molding using base press-forming machine；
The base press-forming machine includes: forming tube and breast roll, and the water penetration conveyer belt is from forming tube couch roll and chest
Pass through between roller；Dehydrating effect and briquetting pressure are controlled by the pressure adjusted between forming tube and breast roll.
Forming tube is mounted on host wallboard by bearing；Breast roll is mounted on pressure arm by bearing, and and forming tube
There are gaps for component；Pressure arm is connect by using hinged mode with host wallboard, and one end of pressure arm is provided with air bag, is used
To adjust breast roll component and form the clearance pressure size between cartridge module.The other end on pressure arm far from air bag is also set up
Oil cylinder；The upper end of oil cylinder and host wallboard are hinged, and lower end is hinged with pressure arm.
Collection slurry processes dewatering process provided by the invention, using the collection slurry processes dewatering system, specific steps are as follows:
By the upper surface of water penetration conveyer belt described in slurry charity, the conveyer belt successively pass through with slurry natural-dehydration area into
Row scrapes water dehydration, carries out vacuum suction dehydration for the first time by the first vacuum dehydration area, carries out the by cylinder mould couch roll drying zone
Extrusion dehydration, carried out by the first vacuum dehydration area second vacuum suction be dehydrated and by compression moulding drying zone into
The final extrusion dehydration molding of row, makes the final water content of slurry reach 24%~28%, reaches making sheet requirement.
The invention has the benefit that
(1) consumption energy is small.Due to using the method by water penetration conveyer belt and cylinder mould extrusion drainage, followed the example of with copying
Blank-making technology is compared, and energy consumption caused by mostly set cylinder moulds, hopper and multiple blenders can be eliminated, in identical yield
Under the conditions of, it can reduce energy consumption 26%；What the present invention used is dehydrated by the method for water penetration conveyer belt and cylinder mould extrusion drainage
Energy consumption 27.5% can be saved compared with the method that slurry flowing process all uses negative-pressure ward is dehydrated.
(2) compared with copying and following the example of blank-making technology, equipment of the present invention is due to that can eliminate more set cylinder moulds, hopper
With multiple blenders, thus structure is more simple, and maintenance is more convenient, and maintenance cost is lower, and equipment land occupation is also smaller.
(3) compared with slurry flowing process blank-making technology, the product surface flatness produced is higher.
(4) compared with existing collection slurry processes blank-making technology, the present invention will scrape water dehydration, vacuum suction dehydration naturally and squeeze
Dehydration combines, and dehydrating effect is more preferable.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of collection slurry processes dewatering system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of base press-forming machine shown in FIG. 1；
Fig. 3 is the structural schematic diagram of the cylinder mould couch roll section in collection slurry processes dewatering system shown in FIG. 1；
Fig. 4 is the main view of the single vaccum dewatering box in vacuum dehydration area；
Fig. 5 is the left view of the single vaccum dewatering box in vacuum dehydration area；
Fig. 6 is the top view of the single vaccum dewatering box in vacuum dehydration area；
Fig. 7 is the left view of arc dewatering box；
Fig. 8 is the main view of arc dewatering box；
Appended drawing reference:
1- rotary roller；2- woollen blanket transfer roller；
3- natural-dehydration area；The first vacuum dehydration of 4- area；
401- dewatering plate；402- reinforcing rib；
The oblique sealing plate of 403- first；404- frame；
The oblique sealing plate of 405- second；5- arc dewatering box；
501- dewatering plate；The first sluicing pipe of 6-；
7- cylinder mould；701- cylinder mould fixing seat；
8- couch roll fixing seat；9- couch roll；
10- couch roll arm；1001- couch roll arm pin shaft；
11- couch roll arm mounting base；The second vacuum dehydration of 12- area；
13- tightening device；14- makes cloth device；
The second sluicing pipe of 15-；16- main stand；
17- base press-forming machine；18- head box；
1701- forming tube；1702- host wallboard；
1703- oil cylinder；1704- breast roll；
1705- pressure arm swivel pin；1706- air bag；
1707- forming tube bearing block；1708- breast roll bearing block；
1709- backing plate；1710- pressure arm.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Collecting slurry processes blank-making technology includes a column step:
(1) cement, aggregate and water are mixed and made into slurry by mixing slurrying；
(2) cloth is starched, and cloth is flowed down out of slurry box and is uniformly spread on the woollen blanket with water penetration；
(3) de-watering of slurries on woollen blanket is by the way that the slurry of woollen blanket is coated on surface with close on one side by de-watering of slurries
On the cylinder mould for arranging drainage through-hole or drainage trap, the extruding by woollen blanket and cylinder mould to slurry squeezes out the water in slurry；
(4) humidity slurry dewatered on woollen blanket is pressed into base, and the green body formed and woollen blanket is divided by compression moulding
From.
The dewatering process and dewatering system that collect in slurry processes blank-making technology are carried out below by a specific embodiment
Detailed description.
Fig. 1 is the structural schematic diagram of collection slurry processes dewatering system provided in an embodiment of the present invention.
The collection slurry processes dewatering system includes: that the natural-dehydration area 3 set gradually, the first vacuum dehydration area 4, cylinder mould couch roll are de-
Pool, the second vacuum dehydration area 12 and compression moulding drying zone.Wherein, compression moulding drying zone uses base press-forming machine
17。
It further include the water penetration conveyer belt that 12 woollen blanket transfer rollers 2 in each section are set and are wound around 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 very
Empty drying zone 12 and compression moulding drying zone.
Water penetration conveyer belt uses woollen blanket.
17 structure of base press-forming machine is as shown in Fig. 2, specifically include that forming tube 1701, breast roll 1704, host
1706 several major of wallboard 1702, pressure arm 1710 and air bag.
Host wallboard 1702 is divided to control two pieces, is each attached on bottom surface.Pass through spacing between two blocks of host wallboards 1702
Pipe support connection, and forming tube bearing block 1707 is set on the top of host wallboard 1702, while being mounted to type tube 1701.
Pressure arm 1710 is mounted between two blocks of host wallboards 1702 in articulated manner by pressure arm swivel pin 1705
Position on the lower.It is the lever construction of fulcrum that pressure arm 1710, which is formed with pressure arm swivel pin 1705,.
On the one arm of pressure arm 1710, breast roll bearing block 1708 is installed by backing plate 1709, and breast roll 1704 is installed.
Breast roll 1704 is located at the underface or position slightly more partially of forming tube 1701.
The end of the arm of breast roll 1704 is installed in pressure arm 1710, air bag 1706 is set.The upper end of air bag 1706 and pressure
Arm 1710 connects, and lower end is fixed on host wallboard 1702.
In this way, by control air bag 1706 harmomegathus the lifting of breast roll 1704 can be realized, thus adjust breast roll 1704 with
Generated pressure value between forming tube 1701.
In adjustment process, 1701 position of forming tube is motionless, and molding pressure is adjusted only by adusting the position of breast roll 1704
Power, adjustment process are more convenient simple；The lifting of breast roll 1704 is controlled by air bag 1706, reaction speed is fast, can be extremely short
Briquetting pressure is set to reach target value in time.
Oil cylinder 1703 can also be set far from one end of air bag 1706 in pressure arm 1710.Oil cylinder 1703 is generally using vertical
The mode of setting, the upper end and host wallboard 1702 are hinged, and lower end and pressure arm 1710 are hinged.
Oil cylinder 1703 is used as auxiliary pressurized equipment.The pressure value that general conventional plate compression moulding needs is 25t, only
Using air bag 1706；And the pressure value of 80t or so is needed when low-density and high-strength plate, it is needed at this time by air bag 1706 and oil
Cylinder 1703 is used cooperatively, to improve the pressure value upper limit, reaches process requirements.
When breast roll 1704 is located at the position of forming tube 1701 slightly more partially, the central axis and breast roll of forming tube 1701
Spacing between the projection of 1704 central axis in the horizontal plane is generally taken as -20mm~150mm, wherein negative value indicates breast roll
1704 central axis is located between the central axis and pressure arm swivel pin 1705 of forming tube 1701, and positive value indicates in breast roll 1704
Mandrel is located between the central axis and air bag 1706 of forming tube 1701.
In order to cooperate the harmomegathus of air bag 1706 and the lifting of breast roll 1704 preferably, need according to breast roll 1704 and molding
Eccentric situation between cylinder 1701 carries out the further setting of setting angle.It is set as 1701 center of type tube and 1704 center of breast roll
The angle of line and vertical direction is a, and the center line of air bag 1706 and the angle of horizontal direction are b, then needs a complementary with b.
Under normal conditions, the central axis of the forming tube 1701 provided according to front and the central axis of breast roll 1704 are in horizontal plane
On projection between spacing, setting angle a value range be -1.04 °~7.72 °, wherein negative value indicate breast roll 1704 in
Mandrel is located between the central axis and pressure arm swivel pin 1705 of forming tube 1701, and positive value indicates that the central axis of breast roll 1704 is located at
Between the central axis and air bag 1706 of forming tube 1701.
For the co-ordination for guaranteeing oil cylinder 1703 and air bag 1706, need to carry out the position of oil cylinder 1703 and air bag 1706
Setting.If the central axis of the oil cylinder 1703 between pressure arm swivel pin 1705 at a distance from be L0, the pressure arm swivel pin
1705 between the vertical plane where 1704 central axis of breast roll at a distance from be L1, vertical plane where 1704 central axis of breast roll with
Distance between 1706 upper surface central point of air bag is L2；Then under normal conditions, L is set0: L1: L2=1:1:1.
Natural-dehydration area 3 includes two natural-dehydration casees being sequentially arranged；Muti-piece glass is arranged in the upper surface of natural-dehydration case
Windshield wiper blade made of glass, cabinet use angle steel material.Glass slicker point row is arranged in parallel, and comes to conveyer belt to inclination.Glass
The front end of glass scraper is sharp, and upper surface is the inclined plane shape after frontal plane under.When installation, the plane of glass slicker upper surface with
Woollen blanket following table face contact.The downward slope at glass slicker upper surface rear portion, can make the lower surface of glass slicker and woollen blanket
Between generate negative pressure, to scrape off the most of moisture of woollen blanket lower surface attachment, natural-dehydration rate generally can achieve 11%~
16%.
Three vaccum dewatering box are respectively set in first vacuum dehydration area 4 and the second vacuum dehydration area 12.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 in cylinder mould couch roll
On main stand 16 between drying zone and base press-forming machine 17.
Vaccum dewatering box is by the dewatering plate 401 of top surface and two first 403, two the second oblique sealing plates of oblique sealing plate of side
The cone cylinder structure of 405 groups of squarelys.And setting adds between the first oblique sealing plate 403, the second oblique sealing plate 405 and dewatering plate 401
Strengthening tendons 402.Gather what array arranged on dewatering plate 401Dewatering hole, the bottom of vaccum dewatering box and vacuum pump connect
It is logical.Dewatering hole is evenly arranged, and guarantees that the vacuum degree of each position is almost the same, advantageously ensure that woollen blanket surface quality and each portion
Adhering to separately property is 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 respectively
A vacuum pump is shared, to reduce the vacuum degree in each vaccum dewatering box, the high suction for preventing condition of high vacuum degree from generating is to woollen blanket
Operation brings resistance, 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 be it is columnar structured, pass through cylinder mould fixing seat
701 and bearing be mounted on main stand 16；Couch roll 9 is mounted on couch roll arm 10 by couch roll fixing seat 8 and bearing, the volt
Roller arm 10 is mounted on main stand 16 by couch roll arm pin shaft 1001.Couch roll 9 is tightly attached on the outer wall of cylinder mould 7, and woollen blanket from
Pass through between couch roll 9 and cylinder mould 7.
Cylinder mould 7 is stainless steel cylinder mould, is made of backing wire and outer net.Wherein, the effect of backing wire is to keep wire side smooth and disperse
The pressure of couch roll 9, outer net mainly allow the slurry flowed through to be further dehydrated, are easily formed mixed slab, due to cylinder mould 7 and woollen blanket it
Between squeezing action, moisture can be made therefrom to be detached from.
For the consistency for guaranteeing flatness and each section attribute of the wet mat when leaving cylinder mould, the central axis of couch roll 9 with
The central axis of cylinder mould 7 needs to be arranged in parallel, and the plane where 7 central axis of 9 central axis of couch roll and cylinder mould and the folder between horizontal plane
Angle is -45 °~167.75 °.
In the present embodiment, the plane where 7 central axis of 9 central axis of couch roll and cylinder mould and the angle between horizontal plane are selected as
100.78°。
At least one first sluicing pipe 6 is also set up near cylinder mould 7, and cylinder mould 7 is cleaned.9 central axis of couch roll with
When plane where 7 central axis of cylinder mould and the angle between horizontal plane are 100.78 °, the setting of the first sluicing pipe 6 is in the not coat of cylinder mould 7
The circular side of blanket, the angle with horizontal plane are about 45 °, it is ensured that the dregs on cylinder mould 7 clean up.
Cloth device 14 is made in base press-forming machine 17 to the conveyer belt return phase setting between natural-dehydration area, and described
It makes 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, thus
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, upper surface is the dewatering plate 501 that the permeable hole of several dense arrangements is arranged, and the arc is dehydrated
The bottom of case is controlled to a vacuum pump.
The vacuum degree 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, rotary roller 1 is set.Wherein, rotary roller 1 and breast roll 1704 are drive roll, remaining
Woollen blanket transfer roller 2 and couch roll 9 etc. are driven voller.Using the form of double drive rolls, the operation of woollen blanket can be made more steady, fluctuated
It is smaller.Rotary roller 1 and breast roll 1704 are rubber roller, provide the power of operating by frictional force for woollen blanket.
Use the specific steps of the collection slurry processes dewatering process of the system are as follows:
By head box 18 by the upper surface of slurry charity woollen blanket, the concentration of initial slurry is 16%~20%.As transmission
The woollen blanket of band, which successively passes through natural-dehydration area 3 with slurry, to carry out scraping water dehydration, carry out for the first time by the first vacuum dehydration area 4
Vacuum suction dehydration carries out first time extrusion dehydration by cylinder mould couch roll drying zone, carries out the by the second vacuum dehydration area 12
Secondary vacuum suction dehydration and process compression moulding drying zone carry out final extrusion dehydration molding, make the final aqueous of slurry
Amount reaches 24%~28%, reaches making sheet requirement.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. collecting slurry processes dewatering system characterized by comprising natural-dehydration area, the first vacuum dehydration area, cylinder mould set gradually
Couch roll drying zone, the second vacuum dehydration area and compression moulding drying zone；
It further include the water penetration conveyer belt that several transfer rollers in each section are set and are wound around on each transfer roller, and the water penetration
Conveyer belt pass sequentially through the natural-dehydration area, the first vacuum dehydration area, cylinder mould couch roll drying zone, the second vacuum dehydration area and
Compression moulding drying zone；
At least one sluicing pipe is also set up in the cylinder mould couch roll drying zone, cylinder mould is cleaned；In compression moulding drying zone
Cloth device is made to the conveyer belt return phase setting between natural-dehydration area, and at least one washing is set in described beat near cloth device
Pipe, cleans the water penetration conveyer belt；
It further include arc drying zone；
The arc drying zone setting, between natural-dehydration area, is brought the water penetration transmission through over cleaning into the cloth device of beating
Row vacuum dehydration processing；
The natural-dehydration area includes at least one natural-dehydration case；The upper surface setting muti-piece of the natural-dehydration case scrapes water
Piece；
First vacuum dehydration area and the second vacuum dehydration area include at least a vaccum dewatering box respectively；The vacuum dehydration
The permeable hole of several dense arrangements is arranged in the surface of case, and the bottom of the vaccum dewatering box is controlled to a vacuum pump.
2. collection slurry processes dewatering system according to claim 1, which is characterized in that the cylinder mould couch roll drying zone mainly includes
Cylinder mould and couch roll；
The cylinder mould be it is columnar structured, be mounted on main stand by bearing；
The couch roll is mounted on couch roll arm by bearing, and the couch roll arm is mounted on main stand by pin shaft；
The couch roll is tightly attached on the outer wall of cylinder mould, and the water penetration conveyer belt passes through between couch roll and cylinder mould.
3. collection slurry processes dewatering system according to claim 2, which is characterized in that in the central axis and cylinder mould of the couch roll
Mandrel is parallel, and the plane where couch roll central axis and cylinder mould central axis and the angle between horizontal plane are -45 °~167.75 °.
4. collection slurry processes dewatering system according to claim 3, which is characterized in that the couch roll central axis and cylinder mould central axis
Angle between the plane and horizontal plane at place is preferably 100.78 °.
5. collection slurry processes dewatering system according to claim 1, which is characterized in that the arc dewatering box is one, to cut
The tubular construction of face semicircular in shape, upper surface are arranged the permeable hole of several dense arrangements, and the bottom of the arc dewatering box with
Vacuum pump connection.
6. collection slurry processes dewatering system according to claim 1, which is characterized in that the compression moulding drying zone uses base
Press-forming machine carries out final extrusion dehydration molding；
The base press-forming machine includes: forming tube and breast roll, the water penetration conveyer belt from forming tube couch roll and breast roll it
Between pass through；Dehydrating effect and briquetting pressure are controlled by the pressure adjusted between forming tube and breast roll.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106186847A (en) * | 2016-06-30 | 2016-12-07 | 杨保伟 | A kind of low-density damping clean taste sheet material and production technology thereof |
| CN106676938B (en) * | 2016-07-01 | 2019-05-10 | 广东松本绿色新材股份有限公司 | Technique for manufacturing decorative boards, combo and stream copy device based on composite material |
| CN106007325A (en) * | 2016-07-07 | 2016-10-12 | 曹健 | Slurry dehydrator |
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| CN202289649U (en) * | 2011-11-07 | 2012-07-04 | 贵州金江化工有限公司 | Material collecting device for vacuum adhesive tape filter |
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