CN105749614A - Dual-power dewatering system and control method thereof - Google Patents
Dual-power dewatering system and control method thereof Download PDFInfo
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- CN105749614A CN105749614A CN201610150852.8A CN201610150852A CN105749614A CN 105749614 A CN105749614 A CN 105749614A CN 201610150852 A CN201610150852 A CN 201610150852A CN 105749614 A CN105749614 A CN 105749614A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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Abstract
The invention relates to the technical field of slurry dewatering, in particular to a dual-power dewatering system and a control method thereof.The system comprises a natural dewatering area, a first vacuum dewatering area, a mesh cage couch roll dewatering area, a second vacuum dewatering area and a blank forming pressing machine sequentially and further comprises a rotary roll, a breast roll, a plurality of rotating rolls and a water permeable conveying belt.The rotary roll is arranged at the most front end of the dewatering system, the breast roll is arranged on the blank forming pressing machine at the tail end of the dewatering system, the rotating rolls are arranged in the areas respectively, and the water permeable conveying belt is wound on the rotary roll, the breast roll and each rotating roll.The rotary roll and the breast roll are both driving rolls, the rotating rolls are driven rolls, and an output rotation speed of a breast roll end motor serves as an input rotation speed of a rotary roll end motor.By dual-power conveying, the conveying belt is stressed more uniformly, and conveying efficiency is greatly improved; the conveying belt is uniform in dewatering effect at each position, and accordingly water contents of manufactured plates are uniform approximately, and the service life of the conveying belt is prolonged.
Description
Technical field
The present invention relates to de-watering of slurries technical field, especially relate to a kind of double dynamical dewatering system and control method thereof.
Background technology
Existing in the production technologies such as construction material, papermaking, chemical industry, usually can there is a need to the operation separated by the moisture in solution with solute or slag charge.Such as in fiber cement tile, the current industrialization of plate produce, much more relatively de-watering of slurries and blank-making technology adopt and to be generally divided into two big classes: one is adopt to copy to follow the example of blank-making technology, and another kind of is adopt slurry flowing process blank-making technology.
Also have at present a kind of emerging technique collection slurry processes blank-making technology, mainly can solve fibre cement corrugated tile, Slab require the expenditure of energy many, need to adopt the plant issue that structure is more complicated, occupation of land is bigger.
But, whether copy and follow the example of dewatering system, slurry flowing process dewatering system still collects slurry processes dewatering system, it it is all the least significant end employing single-power conveying in system, conveyer belt generally adopts the good woollen blanket of water penetration, but cause that owing to pulling force is excessive the damage of woollen blanket is serious, possibly even making woollen blanket deformation or break, this is to totally unfavorable when producing, and the life-span of woollen blanket probably only has 140 hours.Especially slurry flowing process blank-making technology, when the linear velocity of woollen blanket reaches 100 meters per minute, will often be pulled off, have a strong impact on manufacturing schedule.
Summary of the invention
It is an object of the invention to provide a kind of double dynamical dewatering system and control method thereof, to solve the technical problem that conveyor belt damage is serious, service life is short existed in prior art.
Double dynamical dewatering system provided by the invention, including: natural-dehydration district, the first vacuum dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district and the base press-forming machine set gradually；
Also including arranging described dewatering system revolving roll, the breast roll being arranged on the base press-forming machine of described dewatering system least significant end foremost, be arranged on some transfer rollers in each interval and around the water penetration conveyer belt being located on revolving roll, breast roll and each transfer roller, described water penetration conveyer belt passes sequentially through described natural-dehydration district, the first vacuum dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district and compressing drying zone；
Described revolving roll and described breast roll are drive roll, are driven by revolution roller end motor and breast roll end motor respectively, and remaining described transfer roller is driven voller.
Adopt double dynamical conveying so that being more uniformly stressed of conveyer belt, transfer efficiency is greatly improved；All ratio is more uniform throughout for the dehydrating effect of conveyer belt, thus ensure that prepared sheet material moisture content everywhere is also closer to, extends the service life of conveyer belt simultaneously.
Further, described revolution roller end motor passes sequentially through revolution roller end reductor and the first universal drive shaft is connected with revolving roll, and described breast roll end motor passes sequentially through breast roll end reductor and the second universal drive shaft is connected with breast roll.
Further, also set up at least one sluicing pipe at described cylinder mould couch roll drying zone, cylinder mould is carried out；Conveyer belt return phase between compressing drying zone to natural-dehydration district arranges and makes cloth device, and is arranged around at least one sluicing pipe at described cloth device of beating, and described water penetration conveyer belt is carried out.
Further, described double dynamical dewatering system also includes arc dewatering box；Described arc dewatering box makes cloth device between natural-dehydration district described in being arranged on, and the water penetration conveyer belt through cleaning is carried out vacuum dehydration process.
Further, described first vacuum dehydration district and the second vacuum dehydration district at least include a vaccum dewatering box respectively；The permeable hole of the some dense arrangement of surface configuration of described vaccum dewatering box, and the bottom of described vaccum dewatering box is connected with vacuum pump.
Make the operation of water penetration conveyer belt be obstructed owing to condition of high vacuum degree can produce high suction, reduce the service life of water penetration conveyer belt, therefore generally adopt multiple vaccum dewatering box, share a vacuum pump, to reduce vacuum.
Further, described cylinder mould couch roll drying zone mainly includes cylinder mould and couch roll；
Described cylinder mould is columnar structured, is arranged on main stand by bearing；
Described couch roll is arranged on couch roll arm by bearing, and described couch roll arm is arranged on main stand by bearing pin；
Described couch roll is close on the outer wall of cylinder mould, and described water penetration conveyer belt passes through between couch roll and cylinder mould.
Cylinder mould is stainless steel, is made up of backing wire and outer net.Wherein the effect of backing wire is to make wire side smooth and the pressure of dispersion couch roll, and outer net mainly allows the further dehydration of the slurry flowed through, it is easy to form wet mat.
Cylinder mould couch roll section utilizes the extruding between the pressure between cylinder mould and water penetration conveyer belt and couch roll and cylinder mould to realize filtering means dehydration.
Further, the central shaft of described couch roll is parallel with the central shaft of cylinder mould, and the angle between the plane at couch roll central shaft and cylinder mould central shaft place and horizontal plane is-45 °～167.75 °.
The central shaft of couch roll is parallel with the central shaft of cylinder mould, it is ensured that the concordance of the wet mat flatness when leaving cylinder mould and each several part attribute.
Further, described arc dewatering box is one, and for the tubular construction of cross section semicircular in shape, upper surface arranges the permeable hole of some dense arrangement, and the bottom of described arc dewatering box is connected with vacuum pump.
Compared to the vacuum dehydration district combined by multiple vaccum dewatering box, arc dewatering box only arranges one, and its vacuum is higher, for the dehydration of the conveyer belt after cleaning, prepares for ensuing sizing process.
Further, described base press-forming machine also includes forming tube；In described forming tube and described breast roll one keeps original position to rotate, and another can lift and rotate；
When described breast roll can lift and rotate, the concrete structure of base press-forming machine is: forming tube is arranged on main frame wallboard by bearing；Breast roll is arranged on pressure arm by bearing, and leaves gap with forming tube assembly；Pressure arm is by adopting hinged mode to be connected with main frame wallboard, and one end of pressure arm is provided with air bag, is used for the gap length regulating between breast roll assembly and forming tube assembly.On pressure arm, the other end away from air bag also sets up oil cylinder；The upper end of oil cylinder is hinged with main frame wallboard, and lower end is hinged with pressure arm.Further, breast roll end motor together lifts with breast roll.
The control method of double dynamical dewatering system provided by the invention, adopts described dewatering system, method particularly includes:
The output speed of described breast roll end motor is as the input speed of described revolution roller end motor, and the output speed negative feedback of described breast roll end motor is to the input of described breast roll end motor, with after the initial input rotating speed comparison process of described breast roll end motor as the input speed that described breast roll end motor is new；The output speed negative feedback of described revolution roller end motor is to the input of described revolution roller end motor, with after the initial input rotating speed comparison process of described revolution roller end motor as the input speed that described revolution roller end motor is new so that the rotation that described breast roll end motor followed by described revolution roller end motor realizes synchronous axial system.
The invention have the benefit that
(1) double dynamical conveying is adopted so that being more uniformly stressed of conveyer belt, transfer efficiency is greatly improved；All ratio is more uniform throughout for the dehydrating effect of conveyer belt, thus ensure that prepared sheet material moisture content everywhere is also closer to, the service life simultaneously making conveyer belt (employing woollen blanket) can reach 200 hours, it is possible to be widely used in copying follow the example of, slurry flowing process and collection slurry processes blank-making technology；
(2) under double dynamical feed status, the rotating speed of conveyer belt is significantly improved, thus when ensureing dehydration quality, improve yield；
(3) consumed energy is little: owing to have employed the method relying on water penetration conveyer belt with cylinder mould extrusion drainage, reduce energy consumption；
(4) present invention combines naturally scraping water dehydration, vacuum draw dehydration and extrusion dehydration, and dehydrating effect is better.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The front view of the dewatering system that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the top view of the dewatering system shown in Fig. 1；
Fig. 3 is the dewatering system control principle schematic diagram shown in Fig. 1.
Accompanying drawing labelling:
1-revolving roll；2-woollen blanket deflector roll；
3-natural-dehydration district；4-the first vacuum dehydration district；
5-arc dewatering box；6-the first sluicing pipe；
7-cylinder mould；8-couch roll fixes seat；
9-couch roll；10-couch roll arm；
11-couch roll arm mounting seat；12-the second vacuum dehydration district；
13-tightening device；14-makes cloth device；
15-the second sluicing pipe；16-main stand；
17-base press-forming machine；18-head box；
101-the first universal drive shaft；102-turns round roller end reductor；
103-turns round roller end motor；201-the second universal drive shaft；
202-breast roll end reductor；203-breast roll end motor.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described embodiment is a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
In describing the invention, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of the description present invention and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance.
In describing the invention, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals.For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in the present invention.
Below by a specific embodiment, the dewatering process in blank-making technology and dewatering system are described in detail.
The front view of the dewatering system that Fig. 1 provides for the embodiment of the present invention；Fig. 2 is the top view of the dewatering system shown in Fig. 1.
This dewatering system includes: the 3, first vacuum dehydration district 4 of natural-dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district 12 and the compressing drying zone set gradually.Wherein, compressing drying zone adopts base press-forming machine 17.
12 woollen blanket deflector rolls 2 also including being arranged on each interval and around the water penetration conveyer belt being located on each transfer roller, and described water penetration conveyer belt passes sequentially through the 3, first vacuum dehydration district 4 of described natural-dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district 12 and compressing drying zone.
Water penetration conveyer belt adopts woollen blanket.
Described base press-forming machine 17 specifically includes that forming tube, breast roll, main frame wallboard, pressure arm and a few major part of air bag.
Main frame wallboard is divided into two pieces, left and right, is each attached on bottom surface.Supported by distance sink tube between two blocks of main frame wallboards and connect, and be arranged to type tube bearing block on the top of main frame wallboard, be mounted simultaneously for type tube.
The position that pressure arm is arranged between two blocks of main frame wallboards on the lower by pressure arm swivel pin in articulated manner.The lever construction that it is fulcrum with pressure arm swivel pin that pressure arm is formed.
On the one arm of pressure arm, by backing plate, breast roll bearing block is installed, and breast roll is installed.Breast roll is positioned at the position of the underface or slightly more inclined of forming tube.
The end of the arm of breast roll is installed at pressure arm, air bag is set.The upper end of air bag is connected with pressure arm, and lower end is fixed on main frame wallboard.
So, the lifting of breast roll can be realized by controlling the harmomegathus of air bag, thus regulating produced force value between breast roll and forming tube.
In adjustment process, forming tube position is motionless, is adjusted merely by the position of breast roll to regulate briquetting pressure, regulates process convenient simply；Controlled the lifting of breast roll by air bag, response speed is fast, briquetting pressure can be made to reach desired value in very short time.
At pressure arm, oil cylinder can also be set away from one end of air bag.Oil cylinder is generally adopted the mode being vertically arranged, and its upper end is hinged with main frame wallboard, and lower end is hinged with pressure arm.
Oil cylinder uses as auxiliary pressurized equipment.The force value of the compressing needs of general conventional plate is 25t, only with air bag；And need the force value of about 80t during low-density and high-strength plate, now need by air bag and oil cylinder with the use of, thus improving the force value upper limit, reach process requirements.
When breast roll is positioned at the slightly more inclined position of forming tube, spacing between the central shaft of forming tube and the projection in the horizontal plane of the central shaft of breast roll is generally taken as-20mm～150mm, wherein, negative value represents that the central shaft of breast roll is between the central shaft and pressure arm swivel pin of forming tube, on the occasion of represent breast roll central shaft between the central shaft and air bag of forming tube.
The lifting of harmomegathus with breast roll in order to make air bag better coordinates, it is necessary to carry out the further setting of setting angle according to the eccentric situation between breast roll and forming tube.Being set as type tube center with the line at breast roll center and the angle of vertical direction is a, and the centrage of air bag and the angle of horizontal direction are b, then need a and b complementary.
Under normal circumstances, spacing between central shaft according to forming tube given above and the projection in the horizontal plane of the central shaft of breast roll, the span arranging angle a is-1.04 °～7.72 °, wherein, negative value represents that the central shaft of breast roll is between the central shaft and pressure arm swivel pin of forming tube, on the occasion of represent breast roll central shaft between the central shaft and air bag of forming tube.
For ensureing the co-ordination of oil cylinder and air bag, it is necessary to the position of oil cylinder and air bag is configured.If the distance between the central shaft of described oil cylinder and pressure arm swivel pin is L0, the distance between the vertical plane at described pressure arm swivel pin and breast roll central shaft place is L1, the distance between the vertical plane at described breast roll central shaft place and air bag 1706 upper surface central point is L2；Then under normal circumstances, L is set0: L1: L2=1:1:1.
Natural-dehydration district 3 includes two natural-dehydration casees being sequentially arranged；The upper surface of natural-dehydration case arranges the windshield wiper blade that multiple pieces of glass is made, and casing adopts angle steel material.Glass slicker divides row to be arranged in parallel, all coming to inclination to conveyer belt.The front end of glass slicker is sharp-pointed, upper surface be frontal plane backward under inclined plane shape.During installation, the plane of glass slicker upper surface contacts with woollen blanket lower surface.The downward slope at glass slicker upper surface rear portion, it is possible to making generation negative pressure between glass slicker and the lower surface of woollen blanket, thus scraping off the most of moisture of woollen blanket lower surface attachment, natural-dehydration rate generally can reach 11%～16%.
First vacuum dehydration district 4 and the second vacuum dehydration district 12 arrange three vaccum dewatering box respectively.Wherein, the first vacuum dehydration district 4 is arranged between natural-dehydration district 3 and cylinder mould couch roll drying zone；Second vacuum dehydration district 12 is arranged on the main stand 16 between cylinder mould couch roll drying zone and base press-forming machine 17.
Vaccum dewatering box is square cone cylinder structure, array arrangement that the dewatering plate of end face gathersDewatering hole, the bottom of vaccum dewatering box connects with vacuum pump.Dewatering hole is evenly arranged, it is ensured that the vacuum of each position is basically identical, advantageously ensures that the surface quality of woollen blanket and each several part attribute are identical.
Three vaccum dewatering box in the first vacuum dehydration district 4 and three vaccum dewatering box in the second vacuum dehydration district 12 each share a vacuum pump, thus the vacuum reduced in each vaccum dewatering box, prevent the high suction that condition of high vacuum degree produces from woollen blanket being run and bring resistance, thus 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 is columnar structured, is arranged on main stand 16 by the fixing seat of cylinder mould and bearing；Couch roll 9 is arranged on couch roll arm 10 by the fixing seat 8 of couch roll and bearing, and described couch roll arm 10 is 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 passes through between couch roll 9 and cylinder mould 7.
Cylinder mould 7 is rustless 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 the pressure of dispersion couch roll 9, and outer net mainly allows the further dehydration of the slurry flowed through, it is easy to form mixed slab, due to the squeezing action between cylinder mould 7 and woollen blanket, it is possible to make moisture therefrom depart from.
For ensureing the concordance of the wet mat flatness when leaving cylinder mould and each several part attribute, the central shaft of the central shaft of couch roll 9 and cylinder mould 7 needs to be arranged in parallel, and the angle between the plane at couch roll 9 central shaft and cylinder mould 7 central shaft place and horizontal plane is-45 °～167.75 °.
In the present embodiment, the angle between the plane at couch roll 9 central shaft and cylinder mould 7 central shaft place and horizontal plane elects 100.78 ° as.
Near cylinder mould 7, also set up at least one first sluicing pipe 6, cylinder mould 7 is carried out.When angle between the plane and horizontal plane at couch roll 9 central shaft and cylinder mould 7 central shaft place is 100.78 °, first sluicing pipe 6 is arranged on the side that cylinder mould 7 is not surrounded by woollen blanket, it is approximately 45 °, it is ensured that the dregs on cylinder mould 7 clean up with the angle of horizontal plane.
Conveyer belt return phase between base press-forming machine 17 to natural-dehydration district arranges and makes cloth device 14, and is arranged around the second sluicing pipe 15 at described cloth device 14 of beating, and the dregs on woollen blanket are carried out.
Tightening device 13 is also set up, for regulating the position of certain or multiple woollen blanket deflector roll 2, thus regulating the degree of tightness of woollen blanket at conveyer belt return phase.
An arc dewatering box 5 is also set up between cloth device 14 to natural-dehydration district 3: arc dewatering box 5 is the tubular construction of cross section semicircular in shape beating, its upper surface is the dewatering plate of the permeable hole arranging some dense arrangement, and the bottom of described arc dewatering box is connected with vacuum pump.
The vacuum of arc dewatering box 5 is higher than vaccum dewatering box, it is possible to the woollen blanket cleaned through the second sluicing pipe 15 is carried out vacuum dehydration process.
In the front end in natural-dehydration district 3, revolving roll 1 is set.Wherein, the breast roll of revolving roll 1 and base press-forming machine 17 is drive roll, and remaining woollen blanket deflector roll 2 and couch roll 9 etc. are driven voller.Revolution roller end motor 103 passes sequentially through revolution roller end reductor 102 and the first universal drive shaft 101 is connected with revolving roll 1, and breast roll end motor 203 passes sequentially through breast roll end reductor 202 and the second universal drive shaft 201 is connected with breast roll.
Adopt the form of double; two drive roll, it is possible to the operation making woollen blanket is more steady, fluctuates less.Revolving roll 1 and breast roll are rubber roll, rely on frictional force to provide the power of operating for woollen blanket.
Use the concretely comprising the following steps of dewatering process of this system:
Being applied to above woollen blanket by head box 18 by slurry cloth, the concentration of initial slurry is 16%～20%.Sequentially pass through natural-dehydration district 3 as the woollen blanket of conveyer belt with slurry to carry out scraping water dehydration, carry out first time vacuum draw dehydration through the first vacuum dehydration district 4, carry out first time extrusion dehydration through cylinder mould couch roll drying zone, carry out second time vacuum draw dehydration and carry out final extrusion dehydration molding through compressing drying zone through the second vacuum dehydration district 12, the final water content making slurry reaches 24%～28%, reaches making sheet requirement.
For ensureing the rotational speed matches of revolving roll and breast roll, it is necessary to the rotating speed of revolving roll and breast roll is controlled.Fig. 3 is the dewatering system control principle schematic diagram shown in Fig. 1.
The output speed W of breast roll end motor 2031As the input speed of revolution roller end motor 103, and the output speed W of breast roll end motor1Negative feedback the first controller, with the initial input rotating speed W of breast roll end motor 2030As the input speed that breast roll end motor 203 is new after the difference of the first controller processes；The output speed W of revolution roller end motor 1032Negative feedback second controller, with the initial input rotating speed W of revolution roller end motor 1031As the input speed that revolution roller end motor 103 is new after the difference of second controller processes, so that the rotation that described breast roll end motor 203 followed by described revolution roller end motor 103 realizes synchronous axial system, also can realize Synchronization Control when there is external interference, namely achieving revolution roller end motor 103 and following the output of breast roll end motor 203.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a double dynamical dewatering system, it is characterised in that including: natural-dehydration district, the first vacuum dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district and the base press-forming machine set gradually；
Also including arranging described dewatering system revolving roll, the breast roll being arranged on the base press-forming machine of described dewatering system least significant end foremost, be arranged on some transfer rollers in each interval and around the water penetration conveyer belt being located on revolving roll, breast roll and each transfer roller, described water penetration conveyer belt passes sequentially through described natural-dehydration district, the first vacuum dehydration district, cylinder mould couch roll drying zone, the second vacuum dehydration district and compressing drying zone；
Described revolving roll and described breast roll are drive roll, are driven by revolution roller end motor and breast roll end motor respectively, and remaining described transfer roller is driven voller.
2. double dynamical dewatering system according to claim 1, it is characterized in that, described revolution roller end motor passes sequentially through revolution roller end reductor and the first universal drive shaft is connected with revolving roll, and described breast roll end motor passes sequentially through breast roll end reductor and the second universal drive shaft is connected with breast roll.
3. double dynamical dewatering system according to claim 1, it is characterised in that also set up at least one sluicing pipe at described cylinder mould couch roll drying zone, cylinder mould is carried out；Conveyer belt return phase between compressing drying zone to natural-dehydration district arranges and makes cloth device, and is arranged around at least one sluicing pipe at described cloth device of beating, and described water penetration conveyer belt is carried out.
4. double dynamical dewatering system according to claim 3, it is characterised in that also include arc dewatering box；
Described arc dewatering box makes cloth device between natural-dehydration district described in being arranged on, and the water penetration conveyer belt through cleaning is carried out vacuum dehydration process.
5. double dynamical dewatering system according to claim 1, it is characterised in that described first vacuum dehydration district and the second vacuum dehydration district at least include a vaccum dewatering box respectively；The permeable hole of the some dense arrangement of surface configuration of described vaccum dewatering box, and the bottom of described vaccum dewatering box is connected with vacuum pump.
6. double dynamical dewatering system according to claim 1, it is characterised in that described cylinder mould couch roll drying zone mainly includes cylinder mould and couch roll；
Described cylinder mould is columnar structured, is arranged on main stand by bearing；
Described couch roll is arranged on couch roll arm by bearing, and described couch roll arm is arranged on main stand by bearing pin；
Described couch roll is close on the outer wall of cylinder mould, and described water penetration conveyer belt passes through between couch roll and cylinder mould.
7. double dynamical dewatering system according to claim 6, it is characterised in that the central shaft of described couch roll is parallel with the central shaft of cylinder mould, and the angle between the plane at couch roll central shaft and cylinder mould central shaft place and horizontal plane is-45 °～167.75 °.
8. double dynamical dewatering system according to claim 4, it is characterised in that described arc dewatering box is, for the tubular construction of cross section semicircular in shape, upper surface arranges the permeable hole of some dense arrangement, and the bottom of described arc dewatering box is connected with vacuum pump.
9. double dynamical dewatering system according to claim 1, it is characterised in that described base press-forming machine also includes forming tube；In described forming tube and described breast roll one keeps original position to rotate, and another can lift and rotate；
When described breast roll can lift and rotate, described breast roll end motor together lifts therewith.
10. the control method of a double dynamical dewatering system, it is characterised in that adopt the double dynamical dewatering system described in any one of claim 1～9, method particularly includes:
The output speed of described breast roll end motor is as the input speed of described revolution roller end motor, and the output speed negative feedback of described breast roll end motor is to the input of described breast roll end motor, with after the initial input rotating speed comparison process of described breast roll end motor as the input speed that described breast roll end motor is new；The output speed negative feedback of described revolution roller end motor is to the input of described revolution roller end motor, with after the initial input rotating speed comparison process of described revolution roller end motor as the input speed that described revolution roller end motor is new so that the rotation that described breast roll end motor followed by described revolution roller end motor realizes synchronous axial system.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108689583A (en) * | 2018-05-10 | 2018-10-23 | 王淼 | A kind of solid-liquid separating method and its separation equipment of viscous material |
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| JPH01143613A (en) * | 1987-11-30 | 1989-06-06 | Nec Kyushu Ltd | Treatment of waste water containing fine silicon powder |
| CN102343177A (en) * | 2011-10-18 | 2012-02-08 | 黄子君 | Slurry dehydrating process method and equipment |
| US20130105370A1 (en) * | 2011-10-26 | 2013-05-02 | Wayne W. Spani | Construction de-watering high-volume, multi-separation system and method |
| 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 |
| CN203284681U (en) * | 2013-04-28 | 2013-11-13 | 广东比伦生活用纸有限公司 | Improved paper dewatering and forming device |
| CN205549819U (en) * | 2016-03-16 | 2016-09-07 | 柳州市杰特建材有限责任公司 | Double dynamical dewatering system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108689583A (en) * | 2018-05-10 | 2018-10-23 | 王淼 | A kind of solid-liquid separating method and its separation equipment of viscous material |
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