CN108529848A - Clamshell type press filtration mud dewatering method - Google Patents
Clamshell type press filtration mud dewatering method Download PDFInfo
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- CN108529848A CN108529848A CN201810484775.9A CN201810484775A CN108529848A CN 108529848 A CN108529848 A CN 108529848A CN 201810484775 A CN201810484775 A CN 201810484775A CN 108529848 A CN108529848 A CN 108529848A
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- press filtration
- filter plate
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- sludge
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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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- Hydrology & Water Resources (AREA)
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of clamshell type press filtration mud dewatering methods, press filtration head plates (11), multiple middle filter plates (13) and press filtration tailgate (14) are arranged in order, and be installed on support column (22), by two semi-cylindrical shaped structure composition opposite opened cylindrical cavities (7) for being divided into both sides；It is equipped with flexible water drainage bundle of capillary tubes (12) between the press filtration head plates (11) and middle filter plate (13), between adjacent middle filter plate (13), between middle filter plate (13) and press filtration tailgate (14)；The opposite opened press filtration mud dewatering method includes into the mud last stage, into mud stage, filter-press dehydration stage, dump stage and wash phase.The present invention have the advantages that few easy workout part, dehydrated sludge moisture content it is relatively low, squeezing after easily dump and cleaning.
Description
Technical field
The present invention relates to sewage sludge process field, specifically a kind of clamshell type press filtration mud dewatering method.
Background technology
Sludge high-moisture percentage is the bottleneck for restricting specific resistance to filtration, and the high sludge of moisture content is not only bulky, but also
Contained a large amount of organic matters, heavy metal and harmful microorganism is also easy corruption or can be discharged into environment, and causes secondary pollution, to dirt
The subsequent landfill of mud, burning, recycling etc. all adversely affect.Therefore, deeply dehydrating sludge minimizing is sludge
Primary and foremost purpose is handled, minimizing is to realize the basis of sludge other " three change ", and sludge is more dry, is disposed to subsequent processing more advantageous.
The common dehydration equipment of early stage sludge has plate and frame filter press, drum centrifuge and belt type filter filter press, through these
After equipment dehydration, moisture percentage in sewage sludge generally in 75%-80%, these sludge because moisture content is excessively high, and cause transport inconvenient and at
This is higher, and drying time can not be caused long in landfill yard Direct Disposal, the large amount of organic that contains in sludge and abundant
The nutrients such as N P and K, perishable generation stench cause environmental pollution.
It is currently on the market diaphragm plate frame filter press with more deep dehydration device for sludge, but in dehydration, efficiency
Relatively low, squeeze pressure is only 1.6MPa, and squeezing is injected sewage inside diaphragm plate frame by high-pressure hydraulic pump, and bulging diaphragm reduces
Filter chamber area, diaphragm plate frame are squeezed by the plastic deformation of sheet frame；Diaphragm plate frame compression ratio is small, and the opposite work period is long.In addition,
On the market common elasticity squeezing sheet frame structure structurally, filter plate is all the injection molding module of an entirety, and filter plate is easy
Impaired deformation, and the filter plate after damage needs integral replacing so that maintenance cost is higher, it is often more important that, due to structure
Feature and squeeze pressure be not high, the currently employed diaphragm plate frame filter press may by municipal sludge press dewatering to 60% or so,
It is reduced much than plate and frame filter press moisture content before, main cause is because diaphragm bulging generates twice pressing to sludge, i.e.,
Sludge press filtration chamber is variable chamber, but the equipment needs to add the lime and molysite of over dry mud amount 30% or so, to big
The big amount for increasing sludge, and the meeting such as the lime added and iron chloride processing disposition subsequent to sludge brings unfavorable shadow
It rings, violates the minimizing of specific resistance to filtration and innoxious principle.
Currently there is a kind of superelevation compression elasticity to squeeze sludge dewatering equipment, which includes mainly high-voltage oil cylinder, superelevation press filtration
The compositions such as plate, matching board, spring medium, filter cloth specialized, tailgate, push plate, girder, the super-pressure squeezing sheet frame include filter frame, filter plate,
Filter cloth, operating room, spring and piston plate, spring are set between filter frame and filter plate, piston plate setting operating room and filter plate it
Between so that filter plate generates compression by piston plate to operating room.Rammer board dehydration is broadly divided into two-stage, and the first order is
Filter chamber is transported material to by feed pump, charging while is separated by solid-liquid separation by the pressure of feed pump, i.e., primary filtering is de-
Water；The second level is elastic squeezing, and one end of equipment is fixed, and the other end applies ambient pressure by hydraulic cylinder, is passed by elasticity
Power apparatus (spring) compresses chamber space and carries out squeezing progress second dehydration to material.By carrying out super-pressure squeezing to sludge,
In 5MPa or so, high-pressure oil pump needs to provide the pressure of 25-30MPa or so squeeze pressure, can moisture percentage in sewage sludge be down to 50%
Left and right.Equally, which is realized by the way that spring is arranged to realize the change to sludge pressing chamber volume
Super-pressure squeezes, and since spring often completes the processes such as elongation-compression, needs to bear alternating load, spring is easy to happen fatigue
It destroys, spring is a kind of vulnerable part, and 10-20 high-strength spring is needed between every group of sheet frame, and 50-100 block sheet frames then need
Will nearly 1000-2000 high-strength spring, moreover, also needed to when squeezing spring the elastic force for overcoming spring initial work
Actual squeeze pressure is smaller than the pressure that superpressure oil pump is supplied to suffered by sludge when, twice pressing.For example, charging pressure
Power be 1MPa when, spring must be provided more than 1MPa elastic force so that the maximization that chamber can be kept between filter plate and filter frame, when into
At the end of material squeezing, when high-pressure pump carries out second of high-pressure compressing to sludge, it is necessary to overcome spring to start possessed elastic force,
This partial pressure is the pressure of consumption, is less than actual pressure to pressure caused by sludge so as to cause high-pressure pump.
It is on original diaphragm plate frame filter press that existing market, which also has a kind of super-pressure diaphragm plate frame filter press, the equipment,
Upgrading, the water by injecting 10MPa in diaphragm provides the nearly pressure of 10MPa to sludge, and is two level expressing process,
Feed pressure is begun through, highly pressurised liquid is then injected in diaphragm, carrying out bulging to diaphragm further presses sludge
Dehydration is squeezed, municipal moisture percentage in sewage sludge can be down to 50% or so after equipment dehydration.There are a main problems to be for the equipment
Diaphragm influences the problem of the service life of diaphragm under so high pressure and large deformation.
By analyzing above, it can be seen that realize that the deep dehydration of sludge has to realize sludge pressing chamber volume
Changeability, while to sludge carry out high-pressure compressing.Either diaphragm plate frame filter press or superelevation compression elasticity squeezer all has
There is the changeability of sludge pressing chamber, but there are following main problems for deep dehydration device for sludge at present：(1) commonly
The sludge pressing pressure of diaphragm plate frame filter press is smaller, and super-pressure diaphragm plate frame filter press squeeze pressure is enough, but diaphragm
Service life is not high；(2) superelevation compression elasticity squeezer is the variation of realization sludge pressing chamber volume by spring, and spring is fragile
And a large amount of squeeze pressure can be consumed；(3) pressure is bigger, and the sludge on being tightly attached to filter plate is more solid, is easy to form one
The closely knit sludge blanket of layer, the sludge blanket are bonded on filter cloth, increase moisture and resistance is discharged, influence dehydrating effect；(4) due to sewage
High-compressibility, high-moisture percentage and the sewage sludge that sludge has contain capillary water, adsorb sludge dewatering caused by water and internal water
Difficult feature, to use mechanical pressure completely be difficult to sludge progress high depth dehydration so that moisture percentage in sewage sludge reach one compared with
Low level.In addition, the dehydration device of the prior art is unfavorable for dump and cleaning.
Invention content
In view of this, the present invention it is existing for the above-mentioned prior art vulnerable part is more, dehydrated sludge moisture content is still higher,
After squeezing the technical issues of difficult cleaning, propose a kind of few easy workout part, dehydrated sludge moisture content be relatively low, after squeezing easily
The clamshell type press filtration mud dewatering method of dump and cleaning.
Technical solution of the invention is to provide a kind of following clamshell type press filtration mud dewatering method, by press filtration head plates
(11), multiple middle filter plates and press filtration tailgate are arranged in order, and are installed on support column, by two semicircular cylinders for being divided into both sides
Shape structure composition opposite opened cylindrical cavity；Between the press filtration head plates and middle filter plate, between adjacent middle filter plate, it is intermediate
Flexible water drainage bundle of capillary tubes is equipped between filter plate and press filtration tailgate；The opposite opened press filtration mud dewatering method includes following step
Suddenly：
Into the mud last stage：Described two semi-cylindrical shaped structures are by the press filtration head plates, multiple middle filter plates and press filtration tailgate
It encloses in wherein, to form multiple press filtration chambers between the support column, press filtration head plates, middle filter plate and press filtration tailgate；
Into the mud stage：Sludge is pumped by each press filtration chamber using plunger pump, and realizes charging dehydration；
The filter-press dehydration stage：Under the action of actuating unit, the press filtration head plates are forced in by intermediate pressure transmission plate,
To realize filter-press dehydration；Pass through the water between the flexible water drainage bundle of capillary tubes absorption filter plate inside sludge；
The dump stage：The opposite opened cylindrical cavity is opened, the actuating unit counter motion sheds each press filtration chamber
The pressure of room, the flexible water drainage bundle of capillary tubes make it fall, are unloaded with realizing by the structure of the destruction mud cake of pulling back of filter plate
Mud.
As optional, the opposite opened press filtration mud dewatering method further includes wash phase, after completing dump, using clear
Press filtration head plates, middle filter plate, press filtration tailgate and flexible water drainage bundle of capillary tubes are cleaned by clean mechanism, and the support column is in electricity
Under machine driving, after the press filtration head plates, middle filter plate and the press filtration tailgate that drive thereon rotate by a certain angle, the cleaning mechanism into
Row is secondary to be scrubbed.
As optional, the opposite opened cylindrical cavity being equipped in rack for the sliding of described two semi-cylindrical shaped structures is led
Rail is locked after described two semi-cylindrical shaped folding structures by locking device；The locking device is opposite opened cylindrical chamber
Body locking device guide rail, which is provided with two matched snap-in structures of semi-cylindrical shaped structure, slide the opposite opened cylinder
Shape cavity locking device guide rail, and be sticked on the opposite opened cylindrical cavity.
Include tube bank package filter cloth, flexible water suction silk and sealing filter as optional, described flexible water drainage bundle of capillary tubes
Cloth, the tube bank wrap up filter cloth and wrap more than the one group flexible silk that absorbs water to form a flexible water drainage bundle of capillary tubes, institute
Water when the flexible water suction silk stated is used to carry out absorbing squeezing between filter plates at different levels inside sludge, the sealing filter cloth are that sewing exists
The filter cloth at flexible water drainage bundle of capillary tubes both ends, while being sewn on the filter cloth of filter plate surface, flexible water drainage bundle of capillary tubes is completed with this
With the sealing of filter plate surface filter cloth.
As optional, it is equipped between the adjacent two boards in press filtration head plates, middle filter plate and press filtration tailgate described
Steel wire；After pending mud enters press filtration chamber, the steel wire is tightened to carry out range line to adjacent two boards；Pressure-filtering process
In, the actuating unit acts on the press filtration head plates through intermediate pressure transmission plate, and the steel wire releases tensioned state；Dump mistake
Cheng Zhong, the actuating unit are pulled back, and the steel wire is tightened again, while flexible water drainage bundle of capillary tubes gradually stretches, to destroy mud
Structure inside cake makes mud cake fall.
As optional, mutually matched sealed groove and sealing are respectively equipped at the fastening of described two semi-cylindrical shaped structures
Raised line is equipped with corresponding locking device groove at the fastening of described two semi-cylindrical shaped structures, for the opposite opened cylindrical shape
Cavity locking device guide rail engages；Cylinder interface is equipped on the lateral surface of described two semi-cylindrical shaped structures, the cylinder connects
Mouth is connected with cylinder, in the presence of cylinder so that described two semi-cylindrical shaped structures are sliding on opposite opened cylindrical cavity guide rail
It is dynamic to be fastened with realizing.
It is equipped with rotating fixed disk, key and axial threaded hole as optional, described support column, the rotation is fixed
More telescopic bolts on plate are threadably secured with the respective screw hole on press filtration head plates to be connect, so that the press filtration is first
Plate is with the equidirectional rotation of support column, and the keyway on the key and middle filter plate is fitted close in clean operation, so that intermediate
Filter plate is mutually screwed with the equidirectional rotation of support column, the axial threaded hole and the threaded post of motor, and motor drives support column to turn
It is dynamic.
It is equipped with the keyway coordinated with the key, surface filter cloth, apopore and close as optional, described middle filter plate
Seal groove releases steel wire, while actuating unit acts push intermediate pressure again after cleaning mechanism has once been scrubbed
Transmission plate transfers force to intermediate pressure transmission plate and press filtration head plates, press filtration head plates is pushed to push middle filter plates at different levels again, will be each
The sludge of attachment on the support columns is crushed while middle filter plate is pushed at keyway, the motor drives support column rotation 90
It spends so that middle filter plate rotates 90 degree with support column, the water that sludge pressing comes out when the surface filter cloth is used to penetrate press filtration is simultaneously
Inside Water transport to filter plate, the apopore is for being discharged the water being transmitted to inside filter plate, on the o-ring groove
It is fitted closely with cavity inner wall after putting on sealing ring, is equivalent to and forms multiple independent press filtration chambers.
Include desilting scrubbing brush pedestal as optional, described cleaning mechanism, the scrubbing brush floor installation that desilts is in cleaner
On structure guide rail, and with the cleaning mechanism guide rail slidable connection；After dump, the scrubbing brush pedestal that desilts declines drive thereon
Desilt scrubbing brush decline, with realize to press filtration head plates, middle filter plate, press filtration tailgate and the cleaning of flexible water drainage bundle of capillary tubes；
Described to desilt after scrubbing brush pedestal drops to designated position, the scrubbing brush that desilts laterally is moved along the guide rail desilted on scrubbing brush pedestal
It is dynamic.
As optional, the actuating unit is installed on fixed support plate, and fixed support plate is mounted in rack, press filtration tail
Plate is fixed on support column, and the intermediate pressure transmission plate, press filtration head plates and intermediate filter press plate are axial with the support column
Slidable connection.
Using above method, compared with prior art, the present invention has the following advantages：(1) opposite opened that this programme uses
Cylindrical cavity compared to the chamber of traditional sludge dehydration device while can obtain very big squeezing space, in
Structure can also be regarded as into one by one between multiple plates that press filtration head plates, polylith middle filter plate and the press filtration tailgate that portion uses are formed
Independent press filtration chamber can transmit power block-by-block in squeezing from press filtration head plates, form multi-chamber squeezing；(2) our
The encapsulation scheme that case uses is that the sealed groove of opposite opened cylindrical cavity and sealed batten is mutually embedding, and close in groove placement
Strip of paper used for sealing, accordingly even when cavity wall stress slightly deforms and can also avoid leakage mud as far as possible in expressing process, while this cavity is by first plate
Head and the tail sealing is carried out with tailgate, chamber or multi-chamber the leakage mud compared to same pressing quantity thereof greatly reduce；(3) after in squeezing
It when the phase, since pressure is very big, results in that the sludge being tightly attached on filter plate is very solid, is easy to form one layer of closely knit sludge
Layer, the sludge blanket are bonded on filter cloth, increase moisture and resistance is discharged, influence dehydrating effect, therefore this programme uses flexible row
Water bundle of capillary tubes absorbs the moisture inside sludge, the moisture that sludge is flowed out when can more effectively absorb squeezing between filter plates at different levels
Secondary back is prevented, and it is embedded in inside sludge in squeezing for flexible water drainage bundle of capillary tubes, filter plate of pulling back is completed in squeezing
When the gradual Hui Zhi of flexible water drainage bundle of capillary tubes, the structure that can be destroyed inside mud cake makes sludge is more convenient to fall；Sludge is thick
Degree is huge on dehydrating effect influence, and thick sludge blanket moisture percentage in sewage sludge rate is apparently higher than thin sludge blanket, is because inside thick sludge blanket
Moisture discharge resistance is big, and moisture is not easy to be discharged, can be by sludge internal water using the flexible capillaries beam being arranged inside sludge
Divide through the bundle of capillary tubes discharge through sludge blanket, substantially reduces moisture percentage in sewage sludge, improve dehydrating effect；(4) press filtration head plates and
Middle filter plate can rotate so that it can rotate by a certain angle with support column after the completion of primary cleaning, and progress is cleared up for the second time,
Clean up the sludge of flexible water drainage bundle of capillary tubes side, such design can preferably clean up flexible water drainage bundle of capillary tubes,
Sludge in filter plate filter cloth and support column；(5) steel wire described in is for ensureing that the distance of adjacent filter plate does not exceed one and sets
Definite value, while press filtration head plates and middle filter plate at different levels can also be helped to be resetted after squeezing or when dump.
Description of the drawings
Fig. 1 is the flow diagram of step of the present invention；
Fig. 2 is the front view of clamshell type press filtration sludge dehydration device；
Fig. 3 is the axonometric drawing of clamshell type press filtration sludge dehydration device；
Fig. 4 is the 3-D view of the support column of clamshell type press filtration sludge dehydration device；
Fig. 5 is the 3-D view of the opposite opened cylindrical cavity of clamshell type press filtration sludge dehydration device；
The structural schematic diagram of Fig. 6 structures between the original state plate of clamshell type press filtration sludge dehydration device；
The structural schematic diagram of Fig. 7 structures between the working condition plate of clamshell type press filtration sludge dehydration device；
Fig. 8 is the 3-D view of the flexible water drainage bundle of capillary tubes of clamshell type press filtration sludge dehydration device；
Fig. 9 is the front view of the flexible water drainage bundle of capillary tubes of clamshell type press filtration sludge dehydration device；
Figure 10 is the structural representation that the flexible water drainage bundle of capillary tubes filter cloth surface of clamshell type press filtration sludge dehydration device seals
Figure.
As shown, 1, oil cylinder, 2, fixed support plate, 3, oil cylinder lock, 4, intermediate pressure transmission plate, 5, opposite opened cylindrical shape
Cavity locking device, 6, bolt, 7, opposite opened cylindrical cavity, 8, desilt scrubbing brush, 9, desilt scrubbing brush pedestal, 10, cleaning mechanism
Guide rail, 11, press filtration head plates, 12, flexible water drainage bundle of capillary tubes, 13, middle filter plate, 14, press filtration tailgate, 15, opposite opened cylindrical shape
Cavity locking device guide rail, 16, opposite opened cylindrical cavity guide rail, 17, cylinder, 18, plunger pump, 19, motor, 20, rack,
21, opposite opened cylindrical cavity support plate, 22, support column, 23, steel wire.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments.
The present invention covers any replacement, modification, equivalent method and scheme made in the spirit and scope of the present invention.For
So that the public is had thorough understanding to the present invention, is described in detail concrete details in following present invention preferred embodiment, and
Description without these details can also understand the present invention completely for a person skilled in the art.In addition, the attached drawing of the present invention
In be explained herein for the needs of signal not being drawn to scale accurately completely.
As shown in Figure 1, clamshell type press filtration sludge dehydration device is illustrated, clamshell type press filtration mud dewatering method of the invention
Based on the clamshell type press filtration sludge dehydration device, including：Oil cylinder 1, fixed support plate 2, oil cylinder lock 3, intermediate pressure transmission plate
4, opposite opened cylindrical cavity locking device 5, bolt 6, opposite opened cylindrical cavity 7, desilt scrubbing brush 8, desilt scrubbing brush pedestal 9,
Cleaning mechanism guide rail 10, press filtration head plates 11, flexible water drainage bundle of capillary tubes 12, middle filter plate 13, press filtration tailgate 14, opposite opened cylinder
It is shape cavity locking device guide rail 15, opposite opened cylindrical cavity guide rail 16, cylinder 17, plunger pump 18, motor 19, rack 20, right
Open type cylindrical cavity support plate 21, support column 22 and steel wire 23, the oil cylinder 1, fixed support plate 2, oil cylinder lock 3 and centre
The actuating unit that pressure transmitting plates 4 form is mounted in rack 20, and the actuating unit provides pressure by oil cylinder, and by centre
Pressure is divided into two parts and is promoted to press filtration head plates 11 by pressure transmitting plates, this actuating unit may also help in filter plate mechanism and exist
Cleaning after the completion of squeezing.
The present invention includes the following steps：
Into the mud last stage：Described two semi-cylindrical shaped structures are by the press filtration head plates 11, multiple middle filter plates 13 and press filtration
Tailgate 14 is enclosed in wherein, to be formed between the support column 22, press filtration head plates 11, middle filter plate 13 and press filtration tailgate 14
Multiple press filtration chambers；
Into the mud stage：Sludge is pumped by each press filtration chamber using plunger pump 18, and realizes charging dehydration；
The filter-press dehydration stage：Under the action of actuating unit, the press filtration head plates are forced in by intermediate pressure transmission plate 4
11, to realize filter-press dehydration；Pass through the water between the absorption filter plate of flexible water drainage bundle of capillary tubes 12 inside sludge；
The dump stage：The opposite opened cylindrical cavity 7 is opened, the actuating unit counter motion sheds each press filtration
The pressure of chamber, the flexible water drainage bundle of capillary tubes 12 makes it fall by the structure of the destruction mud cake of pulling back of filter plate, with reality
Existing dump.
The opposite opened press filtration mud dewatering method further includes wash phase, after completing dump, using cleaning mechanism pair
Press filtration head plates 11, middle filter plate 13, press filtration tailgate 14 and flexible water drainage bundle of capillary tubes 12 are cleaned, and the support column 22 exists
It is described after the press filtration head plates 11, middle filter plate 13 and the press filtration tailgate 14 that drive thereon rotate by a certain angle under motor 19 drives
Cleaning mechanism carries out secondary scrub.
The flexible water drainage bundle of capillary tubes 12 includes tube bank package filter cloth 12-1, flexible water drainage capillary 12-2 and close
Filter cloth 12-3 is sealed, one group of 7 flexible water drainage capillary 12-2 is wrapped to form one by tube bank package filter cloth 12-1
Flexible water drainage bundle of capillary tubes 12, the flexible water drainage capillary 12-2 is by possessing preferable water imbibition and flexible material
The Filamentous water suction silk made, water when being squeezed for absorbing between filter plate at different levels inside sludge, the sealing filter cloth 12-3
It is the filter cloth sewed at 12 both ends of flexible water drainage bundle of capillary tubes, while is sewn on the filter cloth of filter plate surface, flexible row is completed with this
The sealing of water bundle of capillary tubes 12 and filter plate surface filter cloth, arrangement of the flexible water drainage bundle of capillary tubes between plate are in groined type,
It is in vertical and horizontal regularly arranged, such arrangement method can clear up the dirt on flexible water drainage bundle of capillary tubes surface with mechanism convenient for cleaning
Mud.
The clamshell type press filtration sludge dehydration device further includes multistage filter plate mechanism, opposite opened cylindrical cavity, cavity
Closing device, steel wire, rotating mechanism and cleaning mechanism, press filtration head plates 11, polylith middle filter plate 13 and the press filtration tailgate 14
The multistage filter plate mechanism of composition is mounted on support column 22, and press filtration head plates 11, middle filter plate 13 and press filtration tailgate 14 are by metal
Material is made, and all there are one the holes of 100mm at the center of every block of plate, to be easily installed on support column 22, the middle filter plate
13 include keyway 13-1, surface filter cloth 13-2, apopore 13-3 and o-ring groove 13-4, and the keyway 13-1 is being squeezed
Realize that middle filter plate 13 is rotated with angle in the same direction with support column 22 with the key 22-2 cooperations of support column 22 in cleaning operation after,
Middle filter plate 13 turns due to own wt or does not turn less when preventing support column 22 from rotating, and the surface filter cloth 13-2 is mounted on
The two sides of middle filter plate 13, to be currently being widely used common filtering filter cloth, the water that sludge pressing comes out when for absorbing squeezing
And reinforce lining cloth made of high intensity and high water-permeability material by inside Water transport to filter plate, also having padded one layer under filter cloth
To protect filter cloth not to be damaged under high pressure, the apopore 13-3 is being squeezed for the water being transmitted to inside filter plate to be discharged
After can ventilate and blow away the sludge little particle that filter cloth surface attaches, the o-ring groove 13-4 is after the upper sealing ring of set
It can be fitted closely with chamber wall, be equivalent to and form multiple independent press filtration chambers, the o-ring groove 13-4 of every piece of filter plate is
Two leakproofness enhanced with this between each piece of filter plate, prevent sludge pressing comes out between filter plates at different levels flow to upper level or under
Level-one.
The opposite opened cylindrical cavity 7 includes snap-in groove 7-1, sealed groove 7-2, sealed batten 7-3 and cylinder
Interface 7-4, the snap-in groove 7-1 are fitted close with opposite opened cylindrical cavity locking device 5 for absorbing expressing process
The power expanded outwardly inside middle chamber, the shape of chinese word Ji slot formed by the sealed groove 7-2 of left valve and the sealed batten 7-3 of right valve can
It prevents from leaking mud, the opposite opened cylindrical cavity 7, filter plate mechanism and support at chamber or more closure to increase cavity seal
The open-close type cylindrical cavity that column 22 forms is mounted in rack 20, and compared to the chamber of traditional sludge dehydration device, it is
The chamber wall that overall chamber is made of opposite opened cylindrical cavity 7, the lid by press filtration head plates 11 as cavity, by press filtration tailgate
14 pedestal as cavity, such structure is while can obtain very big squeezing space, the internal press filtration used
Structure can also be regarded as into independent one by one between multiple plates that first plate 11, polylith middle filter plate 13 and press filtration tailgate 14 are formed
Press filtration chamber can transmit power block-by-block from press filtration head plates 11 in squeezing, form Multistage squeezing, such chamber
Dump can be facilitated, and the demolition and maintenance of filter plate are also very convenient.
The opposite opened cylindrical cavity locking device 5, opposite opened cylindrical cavity locking device guide rail 15, opposite opened
The chamber closing device that cylindrical cavity guide rail 16 and cylinder 17 form is mounted in rack 20, the beam worker before squeezing starts
When making, the cylinder 17 for being mounted on 20 both sides of rack is acted opposite opened cylindrical cavity 7 along opposite opened cylindrical cavity guide rail
16 shift designated position onto, after about 7 opposite opened cylindrical cavity closes up, are mounted on the opposite opened cylinder of 20 top and bottom of rack
Buckle 5 is caught in by the action of shape cavity locking device guide rail 15 along the snap-in groove 7-1 of opposite opened cylindrical cavity 7, realization pair
The closure of open type cylindrical cavity.
The steel wire 23 is located by connecting by 3 U-shaped columns, is mounted on the tow sides of press filtration head plates and middle filter plate, pressure
It filters the front of tailgate and two kinds of working conditions are tightened and unclamped to the back side of intermediate pressure transmission plate, steel wire 23, when necessary
It can remove, the steel wire 23 when oil cylinder 1 acts in intermediate pressure transmission plate 4 is in an open state, and unclamps steel wire, oil cylinder stopping action
Steel wire 23 in intermediate pressure transmission plate 4 starts lock-out state when pulling back, taut wire and pull back press filtration head plates 11 and it is at different levels in
Between filter plate 13 until resetting, while filter plate is pulled back, it is gradual to be embedded in flexible water drainage bundle of capillary tubes 12 inside mud cake
It stretches and becomes original shape again, the structure that can be destroyed inside mud cake with this makes mud cake fall.
It is described to desilt scrubbing brush 8, desilt scrubbing brush pedestal 9 and cleaning mechanism that cleaning mechanism guide rail 10 forms is mounted on rack
On 20, the scrubbing brush pedestal 9 that desilts drops to specified altitude assignment after dump by cleaning mechanism guide rail 10, after first dressing
Former height is gone back up to, is re-lowered to specified altitude assignment when clear up for second, the scrubbing brush 8 that desilts is desilting scrubbing brush pedestal
Left and right action is carried out along the guide rail for desilting scrubbing brush pedestal 9 after 9 arrival specified altitude assignments, rotation is used in second of clean operation
The rotating mechanism that rotation mechanism, the motor 19 and support column 22 form is mounted in rack 20, and the support column 22 includes
Rotating fixed disk 22-1, key 22-2 and the fixed 4 telescopic bolts of threaded hole 22-3, the rotating fixed disk 22-1
6 are harmonious with 4 threaded holes on press filtration head plates 11, and actuating unit acts again pushes press filtration head plates 11 and middle filter plate at different levels,
The sludge being attached on support column 22, key 22-2 and centre have been crushed while each middle filter plate 13 is pushed at keyway 13-1
Keyway 13-1 tight closures on filter plate 13 so that press filtration head plates 11 and middle filter plate 13 can be with the equidirectional same angles of support column 22
Rotation, the threaded hole 22-3 are harmonious with the screw thread in 19 shaft of motor, and motor 19 drives support column 22 to rotate 90 degree, branch
Dagger 22 carries out second of clean operation after driving press filtration head plates 11 and middle filter plate 13 to rotate 90 degree.
In the press filtration stage, first press filtration is kept, release, and two filter press plates are opposite to be turned round, and flexibility tube bank generates torsion, and it is dynamic to carry out torsion
Make, torsional direction toggles, press filtration again, multiple alternate cycles, realizes press filtration and torsion collaboration dehydration.It is adopted between two boards
It is connected with steel wire, steel wire is tiltedly to setting so that relative twisting movement can be generated between two boards, " twisting a towel " is similar to and is discharged
Effect.
Present apparatus operation principle is as follows：It starts to work into before mud (upper a cycle dump cleaning terminates), device is in
Original state：I.e. oil cylinder is in original state, and chamber is in the open state, and opposite opened cylindrical cavity is located at rack both sides, respectively
Steel wire between grade filter plate and in intermediate pressure transmission plate is in and stretches all in lock-out state, steel wire and flexible water drainage bundle of capillary tubes
State.Start the new round work period at this time, be mounted on rack both sides cylinder movement by opposite opened cylindrical cavity along right
Open type cylindrical cavity guide rail shifts designated position onto, after opposite opened cylindrical cavity or so closes up, is mounted on frame top and bottom
Buckle is caught in by the opposite opened cylindrical cavity locking device guide rail action in portion along the snap-in groove of opposite opened cylindrical cavity,
The closure for realizing opposite opened cylindrical cavity, entire chamber upper and lower opening is locked.Plunger pump is from the note mud mouth on press filtration tailgate
Note mud, when sludge fills out the space half height of press filtration tailgate and upper level middle filter plate, sludge stream to upper level plate spacing,
Entire chamber is gradually filled up with this.When chamber fills up sludge, the steel wire in intermediate pressure transmission plate is closed locking state and is started
Opening state, oil cylinder start action and push intermediate pressure transmission plate, transfer force to after intermediate pressure transmission plate by intermediate pressure
Pressure is divided into two parts and is promoted to press filtration head plates by transmission plate, and press filtration head plates can sludge be simultaneously between stripper plate while promoting
Next piece of middle filter plate is transferred force to, is squeezed step by step with this, until press filtration head plates are pushed at its maximum displacement, opposite opened at this time
Cylindrical cavity locking device guide rail starts, and buckle is extracted out from snap-in groove, when buckle extraction finishes exhaust hood retraction will
Opposite opened cylindrical cavity is pulled back along opposite opened cylindrical cavity guide rail to rack both sides, opens intermediate pressure transmission plate later
On steel wire lock-out state, remove the propulsive force of oil cylinder, while intermediate pressure transmission plate is pulled back pull press filtration head plates and
Middle filter plates at different levels, the flexible water drainage bundle of capillary tubes that filter plate has been embedded in inside mud cake when pulling, which gradually stretches, becomes original shape again,
The structure destroyed inside mud cake makes mud cake fall.Indicate that dump terminates when press filtration head plates return to initial position, at this time cleaner
Structure action carries out first time clean operation, while being passed through high pressure gas in the pipeline of the outer apopore of tailgate connection and blowing away filter cloth
The sludge little particle that surface attaches.Desilt scrubbing brush pedestal and specified altitude assignment dropped to by cleaning mechanism guide rail after dump, except
Scrubbing brush is desilted after mud plate brush pedestal arrival specified altitude assignment and carries out left and right action along the guide rail for desilting scrubbing brush pedestal, brushes away flexible row
Water bundle of capillary tubes, filter plate surface filter cloth and support column surface sludge, desilt after 20 periods of scrubbing brush sweeping action for the first time
Clean operation terminates, and desilts scrubbing brush and returns to initial position, clean frame goes back up to specified altitude assignment along track, opens intermediate pressure at this time
The lock-out state of steel wire in power transmission plate, actuating unit acts again promotes press filtration head plates and middle filter plate at different levels, Jiang Gezhong
Between filter plate the sludge of attachment on the support columns has been crushed while be pushed at keyway, key is closely closed with the keyway on middle filter plate
It closes, motor drives support column along rotating clockwise 90 degree, and support column drives press filtration head plates and middle filter plate to rotate 90 degree, Zhi Houkai
The opening state of the steel wire in intermediate pressure transmission plate is opened, oil pump is stopped, clear after filter plates at different levels are pulled back to maximum position
Clean mechanism acts again carries out second of clean operation, and cleaning mechanism resets after the completion of second of clean operation, in finally opening
Between steel wire in pressure transmitting plates lock-out state, actuating unit acts again promotes press filtration head plates and middle filter plate at different levels, key
With the keyway tight closure on middle filter plate, motor drives support column to rotate 90 degree in the counterclockwise direction, and support column drives press filtration
First plate and middle filter plate rotate counterclockwise 90 degree, are then turned on the opening state of the steel wire in intermediate pressure transmission plate, and oil pump stops
Only work, filter plates at different levels pulled back reset, at this time a work period complete.
Although embodiment is separately illustrated and is illustrated above, it is related to the common technology in part, in ordinary skill
Personnel apparently, can be replaced and integrate between the embodiments, be related to one of embodiment and the content recorded is not known, then
It can refer to another embodiment on the books.
Only preferred embodiments of the present invention are described above, but are not to be construed as limiting the scope of the invention.This
Invention is not only limited to above example, and concrete structure is allowed to vary.In short, all guarantors in independent claims of the present invention
Various change is within the scope of the invention made by shield range.
Claims (10)
1. a kind of opposite opened press filtration mud dewatering method, it is characterised in that：
Press filtration head plates (11), multiple middle filter plates (13) and press filtration tailgate (14) are arranged in order, and are installed on support column (22)
On, by two semi-cylindrical shaped structure composition opposite opened cylindrical cavities (7) for being divided into both sides；The press filtration head plates (11) with
It is equipped between middle filter plate (13), between adjacent middle filter plate (13), between middle filter plate (13) and press filtration tailgate (14) soft
Property draining bundle of capillary tubes (12)；The opposite opened press filtration mud dewatering method includes the following steps：
Into the mud last stage：Described two semi-cylindrical shaped structures are by the press filtration head plates (11), multiple middle filter plates (13) and press filtration
Tailgate (14) is enclosed in wherein, in the support column (22), press filtration head plates (11), middle filter plate (13) and press filtration tailgate
(14) multiple press filtration chambers are formed between；
Into the mud stage：Sludge is pumped by each press filtration chamber using plunger pump (18), and realizes charging dehydration；
The filter-press dehydration stage：Under the action of actuating unit, the press filtration head plates are forced in by intermediate pressure transmission plate (4)
(11), to realize filter-press dehydration；Pass through the water between flexible water drainage bundle of capillary tubes (12) the absorption filter plate inside sludge；
The dump stage：The opposite opened cylindrical cavity (7) is opened, the actuating unit counter motion sheds each press filtration chamber
The pressure of room, the flexible water drainage bundle of capillary tubes (12) makes it fall by the structure of the destruction mud cake of pulling back of filter plate, with reality
Existing dump.
2. opposite opened press filtration mud dewatering method according to claim 1, it is characterised in that：The opposite opened press filtration sludge
Dewatering further includes wash phase, after completing dump, using cleaning mechanism to press filtration head plates (11), middle filter plate (13),
Press filtration tailgate (14) and flexible water drainage bundle of capillary tubes (12) are cleaned, the support column (22) motor (19) driving under,
After press filtration head plates (11), middle filter plate (13) and the press filtration tailgate (14) of drive thereon rotate by a certain angle, the cleaner
Structure carries out secondary scrub.
3. opposite opened press filtration mud dewatering method according to claim 1, it is characterised in that：It is equipped with and supplies in rack (20)
The opposite opened cylindrical cavity guide rail (16) of described two semi-cylindrical shaped structure slidings, in described two semi-cylindrical shaped folding structures
Afterwards, it is locked by locking device；The locking device be opposite opened cylindrical cavity locking device guide rail (15), which is provided with
Two matched snap-in structures of semi-cylindrical shaped structure slide the opposite opened cylindrical cavity locking device guide rail (15), and
It is sticked on the opposite opened cylindrical cavity (7).
4. opposite opened press filtration mud dewatering method according to claim 2, it is characterised in that：The flexible water drainage capillary
It includes tube bank package filter cloth (12-1), flexible water suction silk (12-2) and sealing filter cloth, tube bank package filter to restrain (12)
Cloth (12-1) wraps more than the one group flexible silk (12-2) that absorbs water to form a flexible water drainage bundle of capillary tubes (12), described
Water when flexibility water suction silk (12-2) is used to carry out absorbing squeezing between filter plates at different levels inside sludge, the sealing filter cloth are sewings
Filter cloth at flexible water drainage bundle of capillary tubes (12) both ends, while being sewn on the filter cloth of filter plate surface, flexible water drainage hair is completed with this
The sealing of tubule beam (12) and filter plate surface filter cloth.
5. opposite opened press filtration mud dewatering method according to claim 1, it is characterised in that：Press filtration head plates (11), in
Between be equipped with the steel wire (23) between adjacent two boards in filter plate (13) and press filtration tailgate (14)；Pending mud into
After entering press filtration chamber, the steel wire (23) is tightened to carry out range line to adjacent two boards；In pressure-filtering process, the actuating unit
The press filtration head plates (11) are acted on through intermediate pressure transmission plate (4), the steel wire (23) releases tensioned state；Dump process
In, the actuating unit is pulled back, and the steel wire (23) is tightened again, while flexible water drainage bundle of capillary tubes (12) gradually stretches, with
The structure destroyed inside mud cake makes mud cake fall.
6. opposite opened press filtration mud dewatering method according to claim 2, it is characterised in that：Described two semi-cylindrical shaped knots
Mutually matched sealed groove (7-2) and sealed batten (7-3), described two semi-cylindrical shaped structures are respectively equipped at the fastening of structure
Fastening at be equipped with corresponding locking device groove (7-1), for the opposite opened cylindrical cavity locking device guide rail (15)
Engaging；Cylinder interface (7-4), cylinder interface (7-4) connection are equipped on the lateral surface of described two semi-cylindrical shaped structures
There is cylinder (17), so that described two semi-cylindrical shaped structures are in opposite opened cylindrical cavity guide rail under the action of cylinder (17)
(16) it slides on and is fastened with realizing.
7. opposite opened press filtration mud dewatering method according to claim 2, it is characterised in that：On the support column (22)
Equipped with rotating fixed disk (22-1), key (22-2) and axial threaded hole (22-3), in the rotation fixed plate (22-1)
More telescopic bolts (6) are threadably secured with the respective screw hole on press filtration head plates (11) and connect, so that the press filtration
For first plate (11) with the equidirectional rotation of support column, the key (22-2) and the keyway on middle filter plate (13) are tight in clean operation
Close fit, so that middle filter plate (13) is with support column (22) equidirectional rotation, the axial threaded hole (22-3) and motor
(19) threaded post mutually screws, and motor (19) drives support column (22) to rotate.
8. opposite opened press filtration mud dewatering method according to claim 7, it is characterised in that：The middle filter plate (13)
It is recessed to be equipped with keyway (13-1), surface filter cloth (13-2), apopore (13-3) and the sealing ring coordinated with the key (22-2)
Slot (13-4) releases steel wire (23), while actuating unit is acted again among promotion after cleaning mechanism has once been scrubbed
Pressure transmitting plates (4) transfer force to intermediate pressure transmission plate (4) and press filtration head plates (11), press filtration head plates (11) are pushed to push away again
Middle filter plates (13) at different levels are moved, has been crushed while each middle filter plate (13) is pushed at keyway (13-1) and has been attached to support column
(22) sludge on, the motor (19) drive support column (22) to rotate 90 degree so that middle filter plate (13) turns with support column (22)
90 degree dynamic, the surface filter cloth (13-2) is used for the water that sludge pressing comes out when through press filtration and will be in Water transport to filter plate
Portion, the apopore (13-3) are put on for the water being transmitted to inside filter plate to be discharged on the o-ring groove (13-4)
It is fitted closely with cavity inner wall after sealing ring, is equivalent to and forms multiple independent press filtration chambers.
9. opposite opened press filtration mud dewatering method according to claim 2, it is characterised in that：The cleaning mechanism includes
Desilt scrubbing brush pedestal (9), the scrubbing brush pedestal (9) that desilts is installed on cleaning mechanism guide rail (10), and with the cleaning mechanism
Guide rail (10) slidable connection；After dump, the scrubbing brush that desilts of scrubbing brush pedestal (9) decline drive thereon that desilts declines, with
Realize the cleaning to press filtration head plates (11), middle filter plate (13) and press filtration tailgate (14)；The scrubbing brush pedestal (9) that desilts drops to
Behind designated position, the scrubbing brush that desilts is along the guide rail transverse shifting desilted on scrubbing brush pedestal (9).
10. opposite opened press filtration mud dewatering method according to claim 2, it is characterised in that：The actuating unit installation
In on fixed support plate (2), fixed support plate (2) is mounted in rack (20), and press filtration tailgate (14) is fixed on support column (22)
On, the intermediate pressure transmission plate (4), press filtration head plates (11) and intermediate filter press plate (13) they are axial with the support column (22)
Slidable connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484775.9A CN108529848B (en) | 2018-05-20 | 2018-05-20 | Split type filter-pressing sludge dewatering method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810484775.9A CN108529848B (en) | 2018-05-20 | 2018-05-20 | Split type filter-pressing sludge dewatering method |
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| CN108529848A true CN108529848A (en) | 2018-09-14 |
| CN108529848B CN108529848B (en) | 2020-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409102A (en) * | 2018-05-20 | 2018-08-17 | 饶宾期 | Clamshell type multi-chamber press filtration sludge dehydration device |
| CN109502945A (en) * | 2018-12-26 | 2019-03-22 | 毅康科技有限公司 | A kind of sludge high-drying dehydration device and its application method |
| CN110330208A (en) * | 2019-07-16 | 2019-10-15 | 广东恒鑫智能装备股份有限公司 | Sludge filter press |
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| EP0227084A1 (en) * | 1985-12-23 | 1987-07-01 | Bauko Baukooperation Gmbh | Filter press |
| CN1112523A (en) * | 1994-01-12 | 1995-11-29 | 株式会社永冈 | Sludge dehydrating press and method for treating sludge |
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| CN108409102A (en) * | 2018-05-20 | 2018-08-17 | 饶宾期 | Clamshell type multi-chamber press filtration sludge dehydration device |
| CN108409102B (en) * | 2018-05-20 | 2024-06-07 | 湖南滇湘市政建设工程有限公司 | Split type multi-chamber pressure filtration sludge dewatering device |
| CN109502945A (en) * | 2018-12-26 | 2019-03-22 | 毅康科技有限公司 | A kind of sludge high-drying dehydration device and its application method |
| CN110330208A (en) * | 2019-07-16 | 2019-10-15 | 广东恒鑫智能装备股份有限公司 | Sludge filter press |
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|---|---|
| CN108529848B (en) | 2020-12-01 |
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