CN107050947B - A kind of deep dehydration filter-pressing device - Google Patents
A kind of deep dehydration filter-pressing device Download PDFInfo
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- CN107050947B CN107050947B CN201710435969.5A CN201710435969A CN107050947B CN 107050947 B CN107050947 B CN 107050947B CN 201710435969 A CN201710435969 A CN 201710435969A CN 107050947 B CN107050947 B CN 107050947B
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- membrane filter
- filter plate
- plate
- diaphragm
- cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/003—Filters formed by clamping together several filtering elements or parts of such elements integrally combined with devices for controlling the filtration
- B01D25/006—Filters formed by clamping together several filtering elements or parts of such elements integrally combined with devices for controlling the filtration by level measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/21—Plate and frame presses
- B01D25/215—Construction of the filter plates, frames
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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
Abstract
The invention discloses a kind of deep dehydration filter-pressing devices, including mainframe, multiple membrane filter plates and non-membrane filter plate, the mainframe includes two opposite and vertically arranged girder plates, it the membrane filter plate and non-membrane filter plate alternate intervals and is slidably set between two girder plates, one end of the girder plate is fixed with the thrust plate for barrier membrane filter plate and non-membrane filter plate, and the other end is provided with the propulsive mechanism for membrane filter plate and non-membrane filter plate to be promoted to be moved towards thrust plate；The two sides of non-membrane filter plate and/or membrane filter plate are equipped with the material containing part of concave arc shape or bending-type, and the two sides of membrane filter plate cover flexible diaphragm.The present invention, which has, hydraulic pressure to be avoided to cause stress concentration to diaphragm, the advantages of diaphragm tie point is caused to destroy and then damages filter plate.
Description
Technical field
The present invention relates to Treatment of Sludge industrial equipment manufacturing field, more specifically, it relates to a kind of deep dehydration press filtration
Device.
Background technology
In Treatment of Sludge, the equipment such as generally use plate and frame filter press, diaphragm filter press carry out aqueous higher sludge
Separation of solid and liquid.Existing diaphragm filter press forces together diaphragm and filter plate, and membrane filter plate use is made.When past diaphragm and filter plate
Between input certain pressure flow or air-flow heave diaphragm, when oppressing filter cake, the intermediate feed boss of diaphragm and filter plate connects
Place and the frame junction of diaphragm and filter plate are connect by larger pressure, easily damaged, once damaged, monoblock filter plate will
It scraps.
The shortcomings that rack of existing diaphragm filter press is there is also that cannot bear high pressure, such as patent
2014104958039 disclose a kind of high pressure filter-pressing device, and thrust plate with oil cylinder seat board is connected by four pull rods, four drawings
Bar both ends are locked by big nut, and movable plate drives work by oil cylinder.This structure, which is easy to cause at nut check, bears huge pressure
Power, while pull rod rigidity is insufficient, it is impossible to the installation of filter plate is born, this rack needs the large-scale engine base of in addition configuration to install filter
Plate, cost is high, and installation and debugging are difficult.
In order to improve the operating pressure of diaphragm filter press, patent 2016204928273 discloses a kind of filter press and puts down automatically
Weigh pressure apparatus, expects that oil conversion leather bag, water oil convert leather bag, oil gas cylinder combines by setting, makes main thick stick pressure with squeezing
Variation in water pressure and dynamic change, squeeze force of the thrust that main thick stick generates always with being generated in water mould balance each other, and improve work pressure
Power.But in actual use, sludge converts leather bag into pan feeding oil, and long-time service can be broken leather bag caused by the grains of sand in sludge
Damage.
Invention content
The purpose of the present invention is to provide a kind of deep dehydration filter-pressing device, which can avoid hydraulic pressure from causing diaphragm
Stress concentration causes diaphragm tie point to destroy and then damages filter plate.
The present invention can be by taking following technical scheme to be achieved：
A kind of deep dehydration filter-pressing device, including mainframe, multiple membrane filter plates and non-membrane filter plate, the mainframe packet
It includes two opposite and vertically arranged girder plates, the membrane filter plate and non-membrane filter plate alternate intervals and is slidably set to two
Between a girder plate, one end of the girder plate is fixed with the thrust plate for barrier membrane filter plate and non-membrane filter plate, another
End is provided with the propulsive mechanism for membrane filter plate and non-membrane filter plate to be promoted to be moved towards thrust plate；
The two sides of non-membrane filter plate and/or membrane filter plate are equipped with the material containing part of concave arc shape or bending-type, membrane filter plate
Two sides cover flexible diaphragm, and the diaphragm is full slice system structure, and is sandwiched between membrane filter plate and non-membrane filter plate, institute
Diaphragm is stated as solid diaphragm or hollow membrane；
When the diaphragm is solid diaphragm, after non-membrane filter plate and membrane filter plate fitting, non-membrane filter plate and solid
It is formed between diaphragm and holds material cavity, formed between membrane filter plate and solid diaphragm and hold water cavity；The non-membrane filter plate is equipped with
Lead to the feeding-passage for holding material cavity, the membrane filter plate is equipped with the intake tunnel for leading to and holding water cavity；
When the diaphragm is hollow membrane, after non-membrane filter plate and membrane filter plate fitting, non-membrane filter plate and hollow
It is formed between diaphragm and holds material cavity, formed between membrane filter plate and diaphragm and hold water cavity；The non-membrane filter plate, which is equipped with, to lead to
Hold the feeding-passage of material cavity, the membrane filter plate is equipped with the intake tunnel for leading to and holding water cavity；
Or after non-membrane filter plate and membrane filter plate fitting, formed between non-membrane filter plate and hollow membrane and hold material cavity,
The hollow cavity of hollow membrane is holds water cavity；The non-membrane filter plate be equipped with leads to hold material cavity feeding-passage, it is described every
Membrane filtration plate is equipped with the intake tunnel connected with the hollow cavity of hollow membrane.
Preferably, the fixed connection point of the diaphragm and membrane filter plate is located at except the appearance water cavity.
Preferably, the top of the diaphragm and the detachable company in top surface or top frame side of the membrane filter plate
It connects, rest part is in free plumbness；
Or the top of the diaphragm and the top surface of the membrane filter plate or top frame detachable connection, bottom end with it is described
The bottom surface of membrane filter plate or bottom frame detachable connection；
Or the middle part detachable connection of the diaphragm is in the top surface of the membrane filter plate or top frame side, remaining part
Divide then in the both sides for being freely arranged vertically within the membrane filter plate.
Preferably, the fixed connection point of the membrane filter plate and non-membrane filter plate is located at except the appearance water cavity.
Preferably, the boss for compressing diaphragm, non-membrane filter plate when the frame of the membrane filter plate is provided with fitting；Or institute
State the boss for diaphragm, membrane filter plate being compressed when the frame of non-membrane filter plate is provided with fitting.
Preferably, detachable connection mode is threaded connection or grab connection or pin connection.
Preferably, the diaphragm is equipped with the compression convex block for closing the corresponding feeding-passage feed inlet.
Preferably, the propulsive mechanism is piston-type hydraulic cylinder or plunger-type cylinder；
The plunger-type cylinder include cylinder barrel, be movably arranged in cylinder barrel plunger, the cylinder that is fixedly connected with cylinder barrel
Seat board；The propulsion end of the plunger is provided with the pushing plate for pushing non-membrane filter plate and membrane filter plate, and the cylinder seat plate is consolidated
Between two girder plates, and the side of cylinder seat plate is provided with the concentric boss to match with cylinder barrel inner surface, the cylinder
Seat board is equipped with the oil inlet that cylinder barrel is passed through for hydraulic oil；
Or the piston-type hydraulic cylinder include cylinder barrel, be movably arranged in cylinder barrel piston rod, be fixedly connected with cylinder barrel
Cylinder seat plate；The propulsion end of the piston rod is provided with the pushing plate for pushing non-membrane filter plate and membrane filter plate, the cylinder
Seat board is fixedly arranged between two girder plates, and the side of cylinder seat plate is provided with the concentric boss to match with cylinder barrel inner surface,
The cylinder seat plate is equipped with the oil inlet that cylinder barrel is passed through for hydraulic oil.
Preferably, several auxiliary hydraulic cylinders, the piston of the auxiliary hydraulic cylinder are provided on the cylinder seat plate or girder plate
Or the propulsion end of plunger is connect with the pushing plate.
Preferably, the thrust plate is fixed on by an assistant fixing mechanism on the girder plate；
The assistant fixing mechanism includes several fixing axles being fixedly connected with thrust plate, and the both ends of the fixing axle are fixed
It is set to two girder plates.
Preferably, it further includes a self-balancing pressure device, and the self-balancing pressure device includes pressure conversion machine
Structure, auxiliary switching mechanism and oil cylinder combination；
The pressure conversion mechanism includes a water bunker, and adjacent and telescopic water storage cavity and storage are equipped in the water bunker
Oil pocket, water storage cavity and shoe cream room can mutually compress the memory space of storage other side；The auxiliary switching mechanism includes storage bin, institute
State the liquid level detector being provided in the middle part of storage bin for detecting material position；The oil cylinder combination includes the first oil cylinder and the second oil
Cylinder, the piston rod of first oil cylinder and the piston rod fixed-link of the second oil cylinder；
The water storage cavity is connected with intake tunnel by being equipped with the pipeline of the first control valve, the shoe cream room and the first oil
The rodless cavity connection of cylinder, the rodless cavity of second oil cylinder are connected with the rodless cavity of the propulsive mechanism；The storage bin it is upper
Portion is connected with water storage cavity by being equipped with the pipeline of the second control valve, and the lower part of the storage bin is connected with feeding-passage, described
The top of storage bin is additionally provided with a compressed air valve.
Compared with prior art, the beneficial effects of the invention are as follows：Charging hole is not provided on membrane filter plate, diaphragm uses
Full slice system structure, diaphragm are clipped between membrane filter plate and non-membrane filter plate, can to avoid in the past technically by diaphragm with into
Material hole be connected and caused by stress concentration the defects of, if diaphragm destroys, it is only necessary to change diaphragm, without
Scrap diaphragm plate.Further, the tie point of diaphragm and membrane filter plate is arranged on and held except water cavity, Rong Shuikong can be avoided
After the increase of intracavitary hydraulic pressure, the destruction of membrane filter plate and diaphragm tie point is caused.Diaphragm is connected through a screw thread simultaneously or grab connects
It connects and is detachably covered on membrane filter plate, can freely replace, it is easy to use；When only membrane filter plate is equipped with appearance material
Portion, diaphragm are holding the corresponding part of material cavity in free plumbness, when high pressure water presses against diaphragm oppresses filter cake, diaphragm phase
It, will not the diaphragm breakage caused by high-pressure compressing when being then restored to nature by tensional state；The boss set on diaphragm
Play check valve, prevent filter cake from returning to feed pipe and result in blockage；Thrust plate is fixed on girder by assistant fixing mechanism
On plate, the fixed-area for increasing thrust plate and girder plate is equivalent to, avoids stress concentration so that mainframe can bear height
Pressure；The cylinder seat plate of propulsive mechanism is set up directly on girder plate, eliminates oil cylinder bottom plate, is eliminated concentric with oil cylinder bottom plate
Debugging, alleviate the weight of mainframe, save manufacture cost so that be easily installed, be particularly easier to ensure that cylinder barrel and
The concentricity of cylinder seat plate；By setting auxiliary hydraulic cylinder, before pushing plate does not contact with filter plate, pushed away using auxiliary hydraulic cylinder driving
It is moved into plate, shortens the open mold time, improve work efficiency；By setting self-balancing pressure device so that in filter plate by
The squeeze force that material pressure or hydraulic pressure generate mutually is balanced in the thrust of propulsive mechanism, meanwhile, control compression empty by liquid level detector
The switch of air valve introduces the pressure of compressed air, and it is balanced by the way that switching mechanism is assisted to be transmitted in pressure conversion mechanism
Feed liquid avoids feed liquid and the elastic diaphragm in pressure conversion mechanism etc. to the squeeze force of membrane filter plate and the thrust of pushing mechanism
It can make water storage cavity and component that shoe cream room size mutually changes is in direct contact, damage the component.
Description of the drawings
Fig. 1 is a kind of one of structure diagram of deep dehydration filter-pressing device of the present invention；
Fig. 2 is the structure diagram of Fig. 1 septations filter plate and non-membrane filter plate；
Fig. 3 is a kind of second structural representation of deep dehydration filter-pressing device of the present invention；
Fig. 4 is the structure diagram of mainframe in Fig. 1；
Fig. 5 is the structure diagram of Fig. 1 middle cylinder bottom plates；
Fig. 6 is the fragmentary cross-sectional view of propulsive mechanism in Fig. 1.
Reference sign：
10- mainframes, 20- girder plates, 21- feed pumps, 22- squeezing water pumps, 23- oil-feed pumps, 30- membrane filter plates, 31- hold
Material portion, 32- diaphragms, 33- feeding-passages, 34- intake tunnels, 35- compression convex blocks, the non-membrane filter plates of 40-, 41- filter clothes, 50- stop
Push plate, 60- propulsive mechanisms, 61- cylinder barrels, 62- plungers, 63- cylinder bottom plates, 64- pushing plates, the concentric boss of 65-, 66- oil inlets,
70- auxiliary hydraulic cylinders, 80- assistant fixing mechanisms, 90- self-balancing pressure devices, 911- water bunkers, 912- water storage cavities, 913-
Shoe cream room, the first control valves of 914-, the second control valves of 915-, 921- storage bins, 922- liquid level detectors, 923- compressed airs
Valve, the first oil cylinders of 931-, the second oil cylinders of 932-.
Specific embodiment
For the ease of understanding the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
It should be noted that when element is referred to as " connecting " another element, it can be directly to another yuan
Part may be simultaneously present centering elements；Term used in this specification " fixation ", " connection ", "front", "rear", " left side ",
" right side ", " top ", " bottom " and similar statement are for illustrative purposes only；Term "and/or" includes used in this specification
The arbitrary and all combination of one or more relevant Listed Items.
A kind of deep dehydration filter-pressing device of the present invention is further described below in conjunction with attached drawing 1-6：
A kind of deep dehydration filter-pressing device, including mainframe 10, several membrane filter plates 30 and non-membrane filter plate 40, mainframe
10 include two opposite and vertically arranged girder plates 20, membrane filter plate 30 and non-40 alternate intervals of membrane filter plate and slidably set
Be placed between two girder plates 20, one end of girder plate 20 be fixed with for barrier membrane filter plate 30 and non-membrane filter plate 40 only
Push plate 50, the other end are provided with the propulsive mechanism for membrane filter plate 30 and non-membrane filter plate 40 to be promoted to be moved towards thrust plate 50
60, the immediate non-membrane filter plate of promote-side face of propulsive mechanism 60.
Membrane filter plate 30 and non-membrane filter plate 40 are substantially in cuboid-type, between vertically two girder plates 20 are positioned over,
Thrust plate 50 is also vertically arranged.
The slidable structure of membrane filter plate 30 and non-membrane filter plate 40 can be as follows：It is filtered in membrane filter plate 30 and non-diaphragm
Pulley is set on plate 40, which is in contact with the upper surface of girder plate 20, and as supporting surface so that 30 He of membrane filter plate
Non- membrane filter plate 40 by propulsive mechanism 60 promotion when, can be slided on girder plate.
Or membrane filter plate 30 and the upper surface of non-membrane filter plate 40 and girder plate are slided by sliding friction.
The two sides of non-membrane filter plate 40 and/or membrane filter plate 30 are equipped with the material containing part 31 of concave arc shape or bending-type, it is non-every
Membrane filtration plate 40, covered with filter cloth 41, punching is provided between filter cloth 41 and non-membrane filter plate 40 towards the side of membrane filter plate 30
Plate, the two sides of membrane filter plate 30 cover flexible diaphragm 32, and diaphragm 32 can be solid diaphragm or hollow membrane.
When the diaphragm 32 be solid diaphragm when, the solid diaphragm can be a diaphragm, non-membrane filter plate 40 and every
It is formed after membrane filtration plate 30 is bonded, between non-membrane filter plate 40 and diaphragm and holds material cavity, shape between membrane filter plate 30 and diaphragm
Cheng Rongshui cavitys；Non- membrane filter plate 40 is equipped with the feeding-passage 33 for leading to and holding material cavity, which leads to non-diaphragm
The both sides of filter plate, but can only then lead near the feeding-passage of thrust plate 50 and two non-membrane filter plates of propulsive mechanism 60
Side.Membrane filter plate 30 is equipped with the intake tunnel 34 for leading to and holding water cavity, which leads to the two of membrane filter plate 30
Side.
When diaphragm 32 is hollow membrane, which can be a leather bag, in non-membrane filter plate 40 and membrane filter plate
It is formed after 30 fittings, between non-membrane filter plate 40 and leather bag and holds material cavity, formed between membrane filter plate 30 and leather bag and hold water cavity；
Non- membrane filter plate 40 is equipped with the feeding-passage 33 for leading to and holding material cavity, and membrane filter plate 30 is equipped with the water inlet led to and hold water cavity
Channel 34.
Alternatively, the structure of leather bag can set it is as follows：By the water outlet of the blister cavities of leather bag and intake tunnel 34 together with this
Sample, the blister cavities of leather bag is to hold water cavity, and is formed between leather bag and non-membrane filter plate 40 and hold material cavity.
The fixed connection point of above solid diaphragm or hollow membrane and membrane filter plate 30 is located at except the appearance water cavity.
Diaphragm 32 and the fixed connection point of membrane filter plate 30 can only be set to the top surface of membrane filter plate 30 or top frame
Side, the other end of diaphragm 32 is free vertical drop, when membrane filter plate 30 and the fitting of non-membrane filter plate 40, by diaphragm 32
It is clamped between membrane filter plate 30 and non-membrane filter plate 40.In this way, membrane filter plate 30 material containing part 31 there is no with diaphragm 32
Fixed connection point, avoid and hold in water cavity when bearing high pressure, diaphragm 32 is destroyed in fixed connection point.One membrane filter plate 30
The left and right sides two individual diaphragms must be set.
In the bottom surface of membrane filter plate 30 or bottom frame side, tie point can also be set.
Or the middle part of diaphragm 32 is arranged on the top of membrane filter plate 30 or top frame side, the both sides of diaphragm 32 are then
Vertical drop, end can be fixed on membrane filter plate 30, can not also be fixed on membrane filter plate 30, in this way, one every
It only needs to set a diaphragm that covering can be completed on membrane filtration plate 30.
When tie point is arranged on the top frame side or bottom frame side of membrane filter plate 30, in membrane filter plate frame
On spacer film, non-membrane filter plate compress when being provided with fitting boss, which is located at tie point and holding and expects between cavity；Or
Boss is set on the frame of non-membrane filter plate, which is located between tie point and appearance material cavity.
Can be used detachable connection at tie point, detachable connection mode can be threadedly coupled or grab connection or
Pin connects.
The compression convex block 35 for closing corresponding 33 feed inlet of feeding-passage, the compression convex block 35 are equipped on diaphragm 32
It can be a steel plate, prevent filter cake from returning to feed pipe and result in blockage.
As shown in Fig. 2, in the present embodiment, it is without material containing part, the side of face membrane filter plate 30 on non-membrane filter plate
Plane, the both sides of membrane filter plate are provided with material containing part 31, and the tie point of diaphragm and membrane filter plate is except material containing part, positioned at appearance
The diaphragm of material portion part is in free-falling, and is not fitted in the surface of material containing part 31.When propulsive mechanism 60 compress it is whole
After non-membrane filter plate and membrane filter plate, molding is completed；Sludge to be treated is pumped into feeding-passage 33 by feed pump 21, it is dirty
Mud drives 41 presses against diaphragm 32 of filter cloth that flexible deformation occurs, and is adjacent on membrane filter plate 30, with the progress of filter pressing, holds material
Full of sludge, penetration by liquid filter cloth 41, separation of solid and liquid in cavity, and gradually form filter cake；When filter cake reaches certain content, no
Can again to hold expect cavity in feed, at this time stop charging, start squeezing water pump 22 carry out twice pressing, squeezing water pump 22 by into
Aquaporin 34 squeezes into high pressure water to water cavity is held, and under the extruding of high pressure water, diaphragm 32 is detached with membrane filter plate 30, to non-diaphragm
Filter plate 40 moves, while compresses filter cake, drains the water in filter cake, and filter cake is thinning, in expressing process, is arranged on diaphragm 32
Compression convex block 35 play check valve, prevent the higher filter cake of solid content from returning to feeding-passage 33 and result in blockage.
It is from maximum when diaphragm 32 is by high-pressure compressing since the side of non-membrane filter plate face membrane filter plate 30 is plane
Elastic deformation state is restored to nature, will not the diaphragm breakage caused by high-pressure compressing.
Propulsive mechanism 60 can be piston-type hydraulic cylinder or plunger-type cylinder：
Plunger-type cylinder include cylinder barrel 61, be movably arranged in cylinder barrel 61 plunger 62, be fixedly connected with cylinder barrel 61
Cylinder seat plate 63；The propulsion end of plunger 62 is provided with the pushing plate 64 for pushing non-membrane filter plate 40 and membrane filter plate 30, cylinder
Seat board 63 is fixedly arranged between two girder plates 20, and the side of cylinder seat plate 63 is provided with the concentric raised to match with 61 inner surface of cylinder barrel
Platform 65, cylinder seat plate 63 are equipped with the oil inlet 66 that cylinder barrel 61 is passed through for hydraulic oil, and hydraulic oil is pumped into oil inlet 66 by oil-feed pump
It is interior.Cylinder seat plate 63 be equipped with it is several be mutually parallel and the fixing axle of cross direction profiles, cylinder seat plate is integrally formed with fixing axle, fixing axle
It is fixedly arranged between two girder plates 20, eliminates traditional oil cylinder bottom plate so that the cylinder bottom plate of hydraulic cylinder does not need to and oil cylinder bottom
Plate does concentricity debugging, simplicity operation, while alleviates the weight of machine, saves manufacture cost, reduces seal member, improves
The reliability of complete machine.
Piston-type hydraulic cylinder include cylinder barrel, be movably arranged in cylinder barrel piston rod, the cylinder seat that is fixedly connected with cylinder barrel
Plate；The propulsion end of the piston rod is provided with the pushing plate for pushing non-membrane filter plate and membrane filter plate, and the cylinder seat plate is consolidated
Between two girder plates, and the side of cylinder seat plate is provided with the concentric boss to match with cylinder barrel inner surface, the cylinder
Seat board is equipped with the oil inlet that cylinder barrel is passed through for hydraulic oil.
In order to shorten the time of open mold, working efficiency is improved, several auxiliary liquid are provided on cylinder seat plate or girder plate
Cylinder pressure 70, the piston of auxiliary hydraulic cylinder 70 or the propulsion end of plunger are connect with pushing plate 64, and the rodless cavity of auxiliary hydraulic cylinder 70 is straight
Diameter is less than the rodless cavity diameter of propulsive mechanism 60, and the fltting speed of auxiliary hydraulic cylinder 70 is more than the fltting speed of propulsive mechanism 60,
When the die is closed, then stop auxiliary hydraulic cylinder 70, change and non-membrane filter plate is squeezed by propulsive mechanism 60.
In order to expand the hard point area of thrust plate 50, assistant fixing mechanism 80 is provided on thrust plate 50, which consolidates
Mechanism 80 is determined for several fixing axles being horizontally spaced about, and fixing axle is then fixed on girder plate 20, substantially increases thrust plate
Load area after stress, can bear high pressure.
In order to improve the operating pressure of filter-pressing device, it is also provided with a self-balancing pressure device 90, self-balancing pressure
Device 90 includes pressure conversion mechanism, auxiliary switching mechanism and oil cylinder combination；
Pressure conversion mechanism includes a water bunker 911, and adjacent and telescopic 912 He of water storage cavity is equipped in water bunker 911
Shoe cream room 913, water storage cavity 912 and shoe cream room 913 are separated by elastic diaphragm, after water storage cavity 912 and shoe cream room 913 are under pressure
The memory space of storage other side can mutually be compressed；Switching mechanism is assisted to include storage bin 921,921 middle part setting of storage bin is useful
In the liquid level detector 922 of detection material position, which can be a close switch；Oil cylinder combination includes the first oil
The piston rod fixed-link of 931 and second oil cylinder 932 of cylinder, the piston rod of the first oil cylinder 931 and the second oil cylinder 932；
Water storage cavity 912 is connected with intake tunnel 34 by being equipped with the pipeline of the first control valve 914, shoe cream room 913 and
The rodless cavity connection of one oil cylinder 931, the rodless cavity of the second oil cylinder 932 are connected with the rodless cavity of propulsive mechanism 60；Storage bin 921
Top is connected with water storage cavity 912 by being equipped with the pipeline of the second control valve 915, lower part and the feeding-passage 33 of storage bin 921
Connection.The top of storage bin 921 is additionally provided with a vent valve 923.
When feed pump 21 is fed, the first control valve 914 is in off state, and the second control valve 915 is opening.Sludge
Expect cavity, while also enter in storage bin 921 into holding.After sludge liquid level is detected by liquid level detector 922, compression is opened
Air valve 923 allows compressed air into storage bin 921, sludge is pushed back, while feed pressure is transmitted to water storage cavity 912, water storage
Chamber 912 is by pressure transmission to shoe cream room 913, and for shoe cream room 913 by pressure transmission to the first oil cylinder 931, the first oil cylinder 931 passes through work
Pressure is transmitted to the second oil cylinder 932 by the transmission of stopper rod, and pressure is transmitted to propulsive mechanism 60 again, completes charging pressure by the second oil cylinder 932
The balance of power and propulsive mechanism thrust.
When squeezing water pump 22 into high pressure water, the first control valve 914 is opening, and the second control valve 914 is closes shape
State.High pressure water, which enters, holds water cavity, while also enter water storage cavity 912, and pressure conduction is combined to shoe cream room 913, then into oil cylinder is crossed
Propulsive mechanism is passed to, completes the balance of intake pressure and propulsive mechanism thrust.
The filter-pressing device can carry out super-pressure deep dehydration to sludge.
Above in association with preferred embodiment, invention has been described, but the invention is not limited in implementations disclosed above
Example, and modification, equivalent combinations that various essence according to the present invention carry out should be covered.
Claims (10)
1. a kind of deep dehydration filter-pressing device, which is characterized in that including mainframe, multiple membrane filter plates and non-membrane filter plate, institute
It states mainframe and includes two opposite and vertically arranged girder plates, the membrane filter plate and non-membrane filter plate alternate intervals and can slide
It is dynamic to be set between two girder plates, one end of the girder plate be fixed with for barrier membrane filter plate and non-membrane filter plate only
Push plate, the other end are provided with the propulsive mechanism for membrane filter plate and non-membrane filter plate to be promoted to be moved towards thrust plate；
The two sides of non-membrane filter plate and/or membrane filter plate are equipped with the material containing part of concave arc shape or bending-type, the both sides of membrane filter plate
Face covers flexible diaphragm, and the diaphragm is full slice system non-porous structure, and is sandwiched between membrane filter plate and non-membrane filter plate, institute
Diaphragm is stated as solid diaphragm or hollow membrane；
When the diaphragm is solid diaphragm, after non-membrane filter plate and membrane filter plate fitting, non-membrane filter plate and solid diaphragm
Between formed hold material cavity, between membrane filter plate and solid diaphragm formed hold water cavity；The non-membrane filter plate, which is equipped with, to lead to
Hold the feeding-passage of material cavity, the membrane filter plate is equipped with the intake tunnel for leading to and holding water cavity；
When the diaphragm is hollow membrane, after non-membrane filter plate and membrane filter plate fitting, non-membrane filter plate and hollow membrane
Between formed hold material cavity, between membrane filter plate and diaphragm formed hold water cavity；The non-membrane filter plate, which is equipped with, leads to appearance material
The feeding-passage of cavity, the membrane filter plate are equipped with the intake tunnel for leading to and holding water cavity；
Or after non-membrane filter plate and membrane filter plate fitting, formed between non-membrane filter plate and hollow membrane and hold material cavity, it is hollow
The hollow cavity of diaphragm is holds water cavity；The non-membrane filter plate is equipped with the feeding-passage for leading to and holding material cavity, the diaphragm filter
Plate is equipped with the intake tunnel connected with the hollow cavity of hollow membrane.
2. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the diaphragm and membrane filter plate
Fixed connection point is located at except the appearance water cavity.
3. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the top of the diaphragm and institute
The top surface of membrane filter plate or top frame side detachable connection are stated, diaphragm is in certainly with the corresponding part of material cavity that holds
By plumbness；
Or the top of the diaphragm and the top surface of the membrane filter plate or top frame detachable connection, bottom end and the diaphragm
The bottom surface of filter plate or bottom frame detachable connection；
Or the middle part detachable connection of the diaphragm, in the top surface of the membrane filter plate or top frame side, rest part is then
In the both sides for being freely arranged vertically within the membrane filter plate.
4. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that detachable connection mode is spiral shell
Line connects or grab connects or pin connection.
5. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the frame of the membrane filter plate is set
The boss for compressing diaphragm, non-membrane filter plate when being equipped with fitting；Or the frame of the non-membrane filter plate will be every when being provided with fitting
The boss that film, membrane filter plate compress.
6. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the diaphragm is equipped with to seal
Close the compression convex block of the corresponding feeding-passage feed inlet.
7. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the propulsive mechanism is piston type
Hydraulic cylinder or plunger-type cylinder；
The plunger-type cylinder include cylinder barrel, be movably arranged in cylinder barrel plunger, the cylinder seat plate that is fixedly connected with cylinder barrel；
The propulsion end of the plunger is provided with the pushing plate for pushing non-membrane filter plate and membrane filter plate, and the cylinder seat plate is fixedly arranged on two
Between a girder plate, and the side of cylinder seat plate is provided with the concentric boss to match with cylinder barrel inner surface, on the cylinder seat plate
Equipped with the oil inlet that cylinder barrel is passed through for hydraulic oil；
Or the piston-type hydraulic cylinder include cylinder barrel, be movably arranged in cylinder barrel piston rod, the cylinder that is fixedly connected with cylinder barrel
Seat board；The propulsion end of the piston rod is provided with the pushing plate for pushing non-membrane filter plate and membrane filter plate, the cylinder seat plate
It is fixedly arranged between two girder plates, and the side of cylinder seat plate is provided with the concentric boss to match with cylinder barrel inner surface, it is described
Cylinder seat plate is equipped with the oil inlet that cylinder barrel is passed through for hydraulic oil.
8. a kind of deep dehydration filter-pressing device according to claim 7, which is characterized in that on the cylinder seat plate or girder plate
Several auxiliary hydraulic cylinders are provided with, the piston of the auxiliary hydraulic cylinder or the propulsion end of plunger are connect with the pushing plate.
9. a kind of deep dehydration filter-pressing device according to claim 1, which is characterized in that the thrust plate passes through an auxiliary
Fixed mechanism is fixed on the girder plate；
The assistant fixing mechanism includes several fixing axles being fixedly connected with thrust plate, and the both ends of the fixing axle are fixedly installed
In two girder plates.
10. according to a kind of deep dehydration filter-pressing device any in claim 1-9, which is characterized in that it further includes one
Self-balancing pressure device, the self-balancing pressure device include pressure conversion mechanism, auxiliary switching mechanism and oil cylinder combination；
The pressure conversion mechanism includes a water bunker, and adjacent and telescopic water storage cavity and oil storage are equipped in the water bunker
Chamber, water storage cavity and shoe cream room can mutually compress the memory space of storage other side；The auxiliary switching mechanism includes storage bin, described
The liquid level detector for detecting material position is provided in the middle part of storage bin；The oil cylinder combination includes the first oil cylinder and the second oil cylinder,
The piston rod of first oil cylinder and the piston rod fixed-link of the second oil cylinder；
The water storage cavity is connected with intake tunnel by being equipped with the pipeline of the first control valve, the shoe cream room and the first oil cylinder
Rodless cavity connects, and the rodless cavity of second oil cylinder is connected with the rodless cavity of the propulsive mechanism；The top of the storage bin with
Water storage cavity is connected by being equipped with the pipeline of the second control valve, and the lower part of the storage bin is connected with feeding-passage, the storing
The top in storehouse is additionally provided with a compressed air valve.
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| CN201710435969.5A CN107050947B (en) | 2017-06-09 | 2017-06-09 | A kind of deep dehydration filter-pressing device |
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| CN201710435969.5A CN107050947B (en) | 2017-06-09 | 2017-06-09 | A kind of deep dehydration filter-pressing device |
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| CN107050947A CN107050947A (en) | 2017-08-18 |
| CN107050947B true CN107050947B (en) | 2018-06-26 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108525359B (en) * | 2018-05-16 | 2020-11-06 | 杭州安永环保科技有限公司 | Pressure balancing system and pressure balancing method of pressure filter |
| CN110242627A (en) * | 2019-04-30 | 2019-09-17 | 广东省机械研究所 | Filter press quickly propels system |
| CN113018934B (en) * | 2021-05-08 | 2023-03-31 | 方日清 | Sludge deep dehydration filter press |
| CN114146461A (en) * | 2021-12-10 | 2022-03-08 | 湖北省轻工业科学研究设计院有限公司 | Novel filter plate structure of filter press |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944803A (en) * | 1988-03-24 | 1990-07-31 | Hercules Incorporated | Catalyst-containing coating to promote rapid curing polyurethane lacquers |
| CN2351269Y (en) * | 1998-09-11 | 1999-12-01 | 水口山矿务局压滤机制造厂 | Hydraulic locking pressing multifunction plate frame press filter |
| KR200313664Y1 (en) * | 2003-02-19 | 2003-05-22 | 전두현 | Diaphragm filter plate for filter press |
| JP2005144393A (en) * | 2003-11-19 | 2005-06-09 | Ishigaki Co Ltd | Diaphragm filter plate of filter press |
| CN202777968U (en) * | 2012-09-10 | 2013-03-13 | 山东景津环保设备有限公司 | Upper feeding membrane filter plate |
| CN103272418B (en) * | 2013-05-28 | 2015-08-05 | 佛山市金凯地过滤设备有限公司 | A kind of filter press |
| CN104341085A (en) * | 2013-08-08 | 2015-02-11 | 王树岩 | High-pressure diaphragm filter plate |
| CN204208350U (en) * | 2014-10-28 | 2015-03-18 | 上海复洁环保科技有限公司 | Membrane filter plate |
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Inventor after: Xu Xuanbo Inventor after: Zheng Taishan Inventor after: Cai Chuan Inventor after: Huang Songyi Inventor after: Ma Yinli Inventor before: Xu Xuanbo Inventor before: Zheng Taishan Inventor before: Wang Jun Inventor before: Cai Chuan Inventor before: Huang Songyi Inventor before: Ma Yinli |
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Address after: 510799 No. 202 Zhendong Road, Huangpu District, Guangzhou, Guangdong Patentee after: Guangdong Machinery Research Institute Co.,Ltd. Address before: Room 209, main building, poly Zhongyu Plaza, 319 Dashadi East, Huangpu District, Guangzhou City, Guangdong Province Patentee before: GUANGDONG MACHINERY Research Institute |